/* ============================================================================
   VÉRTEX · Clínica Capilar — hoja de estilo única
   Demostración de Nansa Studio. Marca, equipo, testimonios y datos: FICTICIOS.

   Orden:  fuentes · tokens · reset · base · accesibilidad · utilidades
           · sistema de movimiento · botones · cabecera · loader · cursor
           · secciones (en orden de aparición) · responsive · movimiento reducido
           · páginas legales / 404

   Todo el color y la medida se gobiernan desde :root. Sin hex sueltos en las
   reglas de sección. El sitio es legible y completo sin JS y sin GSAP.
   ========================================================================== */

/* ---------- Fuentes auto-alojadas (woff2, subconjunto latino) ------------- */
@font-face{font-family:'Newsreader';font-style:normal;font-weight:200 600;font-display:swap;
  src:url('assets/fonts/newsreader-wght-normal-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Newsreader';font-style:normal;font-weight:200 600;font-display:swap;
  src:url('assets/fonts/newsreader-wght-normal-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Newsreader';font-style:italic;font-weight:200 600;font-display:swap;
  src:url('assets/fonts/newsreader-wght-italic-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Newsreader';font-style:italic;font-weight:200 600;font-display:swap;
  src:url('assets/fonts/newsreader-wght-italic-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;
  src:url('assets/fonts/inter-400700-normal-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;
  src:url('assets/fonts/inter-400700-normal-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('assets/fonts/ibm-plex-mono-400-normal-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('assets/fonts/ibm-plex-mono-400-normal-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url('assets/fonts/ibm-plex-mono-500-normal-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url('assets/fonts/ibm-plex-mono-500-normal-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

/* ============================================================================
   TOKENS
   ========================================================================== */
:root{
  /* — paleta base: neutros cálidos + acento mínimo — */
  --ivory:#F4F1E9; --paper:#FBF9F3; --bone:#ECE7DA; --sand:#E0D9C8; --stone:#C3BBA9;
  --ink:#1A1915; --graphite:#302E28; --ink-soft:#54514A; --ink-faint:#736D5E;
  --line:#DCD5C5; --line-2:#C7BFAC;
  --char:#191A16; --char-surface:#22231E; --char-deep:#111209;
  --olive:#6E6B49; --olive-soft:#8C8862; --gold:#9C7C4A; --gold-soft:#C0A277;

  /* — tokens semánticos (tema claro) — */
  --bg:var(--ivory);
  --surface:var(--paper);
  --fg:var(--ink);
  --fg-soft:var(--ink-soft);
  --fg-faint:var(--ink-faint);
  --hair:var(--line);
  --hair-2:var(--line-2);
  --accent:var(--olive);
  --accent-2:var(--gold);
  --btn-fill:var(--ink);
  --btn-fill-fg:var(--ivory);
  --sel-bg:var(--ink);
  --sel-fg:var(--ivory);
  --shadow-media:0 40px 80px -44px rgba(26,25,21,.36);
  --shadow-float:0 22px 48px -26px rgba(26,25,21,.30);

  /* — tipografía — */
  --font-display:'Newsreader',Georgia,'Times New Roman',serif;
  --font-sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --step--2:clamp(.71rem,.69rem + .08vw,.76rem);
  --step--1:clamp(.82rem,.79rem + .15vw,.9rem);
  --step-0:clamp(1rem,.96rem + .18vw,1.1rem);
  --step-1:clamp(1.15rem,1.08rem + .32vw,1.36rem);
  --step-2:clamp(1.36rem,1.24rem + .58vw,1.78rem);
  --step-3:clamp(1.62rem,1.42rem + .95vw,2.35rem);
  --step-4:clamp(1.95rem,1.6rem + 1.7vw,3.1rem);
  --step-5:clamp(2.3rem,1.82rem + 2.3vw,4rem);
  --step-6:clamp(2.7rem,1.9rem + 3.9vw,5.6rem);
  --step-7:clamp(3.1rem,1.9rem + 5.8vw,7.6rem);

  /* — medida y ritmo — */
  --wrap:1300px; --wrap-wide:1560px; --measure:66ch;
  --gutter:clamp(1.2rem,5vw,4.5rem);
  --section:clamp(5rem,3rem + 9vw,11rem);
  --header-h:80px;
  --r-xs:2px; --r-sm:4px; --r:8px;
  --edge:clamp(.7rem,1.6vw,1.4rem);      /* margen del marco arquitectónico */

  /* — sistema de movimiento — */
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.65,0,.35,1);
  --ease-sig:cubic-bezier(.19,1,.22,1);
  --fast:.28s;      /* microinteracción */
  --medium:.6s;     /* transición */
  --slow:1.1s;      /* cinematográfico */
}

/* Secciones en tono oscuro: se invierten los tokens, no se repintan reglas. */
.tone-dark{
  --bg:var(--char); --surface:var(--char-surface);
  --fg:#EFEBDF; --fg-soft:#B4AE9C; --fg-faint:#847E6C;
  --hair:rgba(239,235,223,.14); --hair-2:rgba(239,235,223,.28);
  --accent:var(--olive-soft); --accent-2:var(--gold-soft);
  --btn-fill:var(--ivory); --btn-fill-fg:var(--ink);
  --sel-bg:var(--gold-soft); --sel-fg:var(--char-deep);
  --shadow-media:0 50px 100px -50px rgba(0,0,0,.6);
  --shadow-float:0 30px 60px -34px rgba(0,0,0,.55);
  background:var(--bg); color:var(--fg); isolation:isolate;
}
/* costura: la sección oscura se funde con el crema que la rodea (continuidad §35) */
.tone-dark.seam-both::before,.tone-dark.seam-both::after,
.seam-top::before,.seam-bottom::after{content:"";position:absolute;left:0;right:0;
  height:clamp(4rem,10vh,9rem);z-index:-1;pointer-events:none}
.tone-dark.seam-both::before,.seam-top::before{top:0;
  background:linear-gradient(var(--ivory),transparent)}
.tone-dark.seam-both::after,.seam-bottom::after{bottom:0;
  background:linear-gradient(transparent,var(--ivory))}

/* ============================================================================
   RESET
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 1.5rem);
  background:var(--ivory)}
body{min-height:100%;background:var(--bg);color:var(--fg);
  font:400 var(--step-0)/1.62 var(--font-sans);
  font-synthesis:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;overflow-x:clip}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
img{border-style:none;background:var(--bone);color:transparent}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;padding:0}
h1,h2,h3,h4{font-weight:400;line-height:1.14}
:where(p,li,dd,dt){text-wrap:pretty}
h1,h2,h3{text-wrap:balance}
::selection{background:var(--sel-bg);color:var(--sel-fg)}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:var(--r-xs)}
[hidden]{display:none!important}
:target{scroll-margin-top:calc(var(--header-h) + 2rem)}

/* grano de película, fijo, no intercepta el puntero */
body::after{content:"";position:fixed;inset:0;z-index:9997;pointer-events:none;opacity:.03;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ============================================================================
   ACCESIBILIDAD
   ========================================================================== */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:.7rem;left:.7rem;z-index:2000;transform:translateY(-160%);
  background:var(--ink);color:var(--ivory);padding:.7rem 1.1rem;border-radius:var(--r-sm);
  font:500 var(--step--1)/1 var(--font-mono);letter-spacing:.02em;transition:transform var(--fast) var(--ease-out)}
.skip-link:focus-visible{transform:none}

/* ============================================================================
   UTILIDADES
   ========================================================================== */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.wrap--wide{max-width:var(--wrap-wide)}
.section{padding-block:var(--section)}

.eyebrow{display:inline-flex;align-items:center;gap:.7rem;
  font:500 var(--step--1)/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--fg-faint)}
.eyebrow::before{content:"";inline-size:1.8rem;block-size:1px;background:var(--accent-2);flex:none}
.eyebrow--plain::before{display:none}

.index-tag{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.16em;color:var(--fg-faint)}

.display{font-family:var(--font-display);font-weight:370;font-optical-sizing:auto;
  font-size:var(--step-6);line-height:1.015;letter-spacing:-.022em}
.display-xl{font-family:var(--font-display);font-weight:350;font-optical-sizing:auto;
  font-size:var(--step-7);line-height:.99;letter-spacing:-.028em}
.display-s{font-family:var(--font-display);font-weight:390;font-optical-sizing:auto;
  font-size:var(--step-5);line-height:1.06;letter-spacing:-.02em;max-width:16em}
.display em,.display-xl em,.display-s em,.h-em{font-style:italic;font-weight:370}

.lead{font-size:var(--step-1);line-height:1.5;color:var(--fg-soft);font-weight:400;max-width:46ch}
.muted{color:var(--fg-soft)}
.faint{color:var(--fg-faint)}

.link{display:inline-flex;align-items:center;gap:.45rem;font-weight:500;color:var(--fg);
  font-size:var(--step--1);letter-spacing:.03em;text-transform:uppercase;font-family:var(--font-mono);
  padding-bottom:3px;
  background:linear-gradient(var(--accent-2),var(--accent-2)) 0 100%/0 1px no-repeat;
  transition:background-size var(--medium) var(--ease-out),color var(--fast)}
.link:hover{background-size:100% 1px;color:var(--accent-2)}
.link svg{width:1rem;height:1rem;transition:transform var(--fast) var(--ease-out)}
.link:hover svg{transform:translateX(4px)}

.hairline{height:1px;background:var(--hair);border:0;width:100%}

/* marca arquitectónica: filete interior en sección */
.rule-frame{position:absolute;inset:var(--edge);border:1px solid var(--hair);pointer-events:none;z-index:1}

/* número gigante de fondo — sangra por un borde, recortado por overflow:clip */
.ghost-num{position:absolute;font-family:var(--font-display);font-weight:300;line-height:.72;
  color:color-mix(in srgb,var(--sand) 60%,transparent);z-index:0;pointer-events:none;user-select:none;
  font-size:clamp(6rem,20vw,15rem);letter-spacing:-.03em}
.tone-dark .ghost-num{color:rgba(239,235,223,.055)}

/* ============================================================================
   SISTEMA DE MOVIMIENTO — reveal / máscara / split
   Solo se ocultan elementos si el motor JS arrancó (html.pe). Si falla,
   html.reveal-all (temporizador del <head>) lo revela todo.
   ========================================================================== */
.pe .reveal{opacity:0;transform:translateY(22px);
  transition:opacity var(--slow) var(--ease-out),transform var(--slow) var(--ease-out);
  transition-delay:var(--rd,0s);will-change:opacity,transform}
.pe .reveal.in{opacity:1;transform:none}

.pe .reveal-mask{clip-path:inset(0 0 100% 0);
  transition:clip-path 1.2s var(--ease-sig);transition-delay:var(--rd,0s)}
.pe .reveal-mask.in{clip-path:inset(0 0 0 0)}

/* apertura centro-afuera (transición cinematográfica §16) */
.pe .reveal-clip{clip-path:inset(34% 10%);transition:clip-path 1.5s var(--ease-sig)}
.pe .reveal-clip.in{clip-path:inset(0 0 0 0)}
.reveal-all .reveal-clip{clip-path:none!important}
.gsap-on .reveal-mask,.gsap-on .reveal-clip{transition:none}
/* con GSAP el scroll pilota las líneas de los titulares: fuera transición CSS */
.gsap-on [data-split] .line > span{transition:none}

.pe [data-split] .line{display:block;overflow:hidden}
.pe [data-split] .line > span{display:block;transform:translateY(110%);
  transition:transform 1s var(--ease-sig);transition-delay:var(--ld,0s);will-change:transform}
.pe [data-split].in .line > span{transform:none}

.pe [data-fade]{opacity:0;transform:translateY(14px);
  transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.pe.is-ready [data-fade]{opacity:1;transform:none}

.reveal-all .reveal,.reveal-all [data-fade],
.reveal-all [data-split] .line > span,
.reveal-all .method__step{opacity:1!important;transform:none!important}
.reveal-all .reveal-mask{clip-path:none!important}

/* Si GSAP pilota el trazo del hilo con scroll, quitamos la transición CSS rival */
.gsap-on .method__thread .thread-line{transition:none!important}

/* ============================================================================
   BOTONES  (editoriales, esquinas casi rectas, relleno deslizante)
   ========================================================================== */
.btn{--_px:1.55em;position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.7em;
  padding:1.05em var(--_px);border-radius:var(--r-xs);isolation:isolate;overflow:hidden;
  font:500 var(--step--1)/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;
  transition:transform var(--fast) var(--ease-out),color var(--medium) var(--ease-out),
    border-color var(--medium) var(--ease-out),letter-spacing var(--medium) var(--ease-out)}
.btn:hover{letter-spacing:.17em}
.btn__arrow{width:1.1em;height:1.1em;flex:none;overflow:visible;
  transition:transform var(--medium) var(--ease-sig)}
.btn__arrow path{stroke-dasharray:26;stroke-dashoffset:0;
  transition:stroke-dashoffset var(--medium) var(--ease-out)}
.btn:hover .btn__arrow{transform:translateX(.34em)}
.btn:hover .btn__arrow path{stroke-dashoffset:26;animation:arrowDraw .55s var(--ease-out) .04s forwards}
@keyframes arrowDraw{from{stroke-dashoffset:26}to{stroke-dashoffset:0}}

.btn--primary{background:var(--btn-fill);color:var(--btn-fill-fg)}
.btn--primary::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--medium) var(--ease-sig)}
.btn--primary:hover{color:var(--btn-fill-fg)}
.btn--primary:hover::before{transform:scaleX(1)}

.btn--ghost{border:1px solid var(--hair-2);color:var(--fg)}
.btn--ghost::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--fg);
  transform:scaleX(0);transform-origin:left;transition:transform var(--medium) var(--ease-sig)}
.btn--ghost:hover{color:var(--bg);border-color:var(--fg)}
.btn--ghost:hover::before{transform:scaleX(1)}

.btn:active{transform:translateY(1px)}
@media (prefers-reduced-motion:reduce){.btn:hover .btn__arrow path{animation:none}}

/* ============================================================================
   CABECERA / NAVEGACIÓN
   ========================================================================== */
.site-header{position:fixed;inset:0 0 auto;z-index:1000;
  transition:background-color var(--medium) var(--ease-out),box-shadow var(--medium) var(--ease-out),
    backdrop-filter var(--medium) var(--ease-out)}
.site-header__bar{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  height:var(--header-h);transition:height var(--medium) var(--ease-out)}
.site-header.is-scrolled{
  background:color-mix(in srgb,var(--ivory) 82%,transparent);
  backdrop-filter:saturate(1.3) blur(14px);-webkit-backdrop-filter:saturate(1.3) blur(14px);
  box-shadow:0 1px 0 var(--line)}
.site-header.is-scrolled .site-header__bar{height:62px}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .site-header.is-scrolled{background:var(--ivory)}
}

/* Cabecera integrada en el hero: texto claro hasta que se hace scroll (§11) */
.site-header:not(.is-scrolled) .brand,
.site-header:not(.is-scrolled) .nav__list a,
.site-header:not(.is-scrolled) .nav__toggle{color:rgba(246,243,236,.92)}
.site-header:not(.is-scrolled) .nav__list a::after{background:rgba(246,243,236,.92)}
.site-header:not(.is-scrolled) .nav__toggle-box span{background:rgba(246,243,236,.92)}
.site-header:not(.is-scrolled) .nav__cta{background:transparent;color:#F6F3EC;
  border:1px solid rgba(246,243,236,.45)}
.site-header:not(.is-scrolled) .nav__cta::before{background:var(--ivory)}
.site-header:not(.is-scrolled) .nav__cta:hover{color:var(--ink)}
/* menú móvil abierto: el panel es claro, el aspa vuelve a tinta */
.site-header:not(.is-scrolled) .nav__toggle[aria-expanded="true"]{color:var(--ink)}
.site-header:not(.is-scrolled) .nav__toggle[aria-expanded="true"] .nav__toggle-box span{background:var(--ink)}
/* barra de progreso de lectura */
.site-header__progress{position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--accent-2);transform:scaleX(var(--p,0));transform-origin:left;
  opacity:0;transition:opacity var(--medium)}
.site-header.is-scrolled .site-header__progress{opacity:1}

.brand{display:inline-flex;align-items:center;gap:.65rem;color:var(--fg);position:relative;z-index:3}
.brand__mark{width:26px;height:26px;flex:none;color:var(--fg)}
.brand__word{font-family:var(--font-mono);font-weight:500;font-size:.98rem;letter-spacing:.34em;
  text-transform:uppercase;padding-left:.06em}

.nav{display:flex;align-items:center;gap:clamp(1.2rem,3vw,2.6rem)}
.nav__panel{display:flex;align-items:center;gap:clamp(1.2rem,2.6vw,2.4rem)}
.nav__list{display:flex;align-items:center;gap:clamp(1rem,2.4vw,2.1rem)}
.nav__list a{position:relative;font:500 var(--step--1)/1 var(--font-mono);letter-spacing:.14em;
  text-transform:uppercase;color:var(--fg-soft);padding:.5rem 0;transition:color var(--fast)}
.nav__list a::after{content:"";position:absolute;left:0;bottom:.1rem;width:100%;height:1px;
  background:var(--fg);transform:scaleX(0);transform-origin:right;transition:transform var(--medium) var(--ease-out)}
.nav__list a:hover,.nav__list a.is-current{color:var(--fg)}
.nav__list a:hover::after,.nav__list a.is-current::after{transform:scaleX(1);transform-origin:left}
.nav__cta{padding:.85em 1.4em;font-size:var(--step--2)}

.nav__toggle{display:none}
.nav__toggle-box{position:relative;display:block;width:28px;height:12px}
.nav__toggle-box span{position:absolute;left:0;width:100%;height:1.5px;background:var(--fg);
  transition:transform var(--medium) var(--ease-sig),opacity var(--fast)}
.nav__toggle-box span:first-child{top:0}
.nav__toggle-box span:last-child{bottom:0}
.nav__toggle[aria-expanded="true"] .nav__toggle-box span:first-child{transform:translateY(5.25px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] .nav__toggle-box span:last-child{transform:translateY(-5.25px) rotate(-45deg)}

@media (max-width:960px){
  .nav__toggle{display:inline-flex;align-items:center;gap:.7rem;position:relative;z-index:3;
    padding:.6rem;margin:-.6rem;
    font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fg)}
  /* el menú es position:fixed → la cabecera no debe crear bloque contenedor mientras está abierto */
  .site-header.nav-is-open{background:transparent!important;box-shadow:none!important;
    backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
  .nav__panel{position:fixed;inset:0;display:flex;flex-direction:column;justify-content:center;
    gap:2.4rem;padding:calc(var(--header-h) + 2rem) var(--gutter) 3rem;background:var(--ivory);
    clip-path:inset(0 0 100% 0);transition:clip-path var(--slow) var(--ease-sig);pointer-events:none}
  .nav__panel.is-open{clip-path:inset(0 0 0 0);pointer-events:auto}
  .nav__list{flex-direction:column;align-items:flex-start;gap:.1rem}
  .nav__list a{font-family:var(--font-display);font-size:clamp(2rem,9vw,3.2rem);letter-spacing:-.02em;
    text-transform:none;color:var(--fg);padding:.28rem 0}
  .nav__list a::after{display:none}
  .nav__list li{opacity:0;transform:translateY(16px);
    transition:opacity var(--medium) var(--ease-out),transform var(--medium) var(--ease-out)}
  .nav__panel.is-open .nav__list li{opacity:1;transform:none}
  .nav__panel.is-open .nav__list li:nth-child(1){transition-delay:.12s}
  .nav__panel.is-open .nav__list li:nth-child(2){transition-delay:.18s}
  .nav__panel.is-open .nav__list li:nth-child(3){transition-delay:.24s}
  .nav__panel.is-open .nav__list li:nth-child(4){transition-delay:.3s}
  .nav__panel.is-open .nav__list li:nth-child(5){transition-delay:.36s}
  .nav__cta{align-self:flex-start;font-size:var(--step--1);padding:1.1em 2em;
    opacity:0;transform:translateY(16px);
    transition:opacity var(--medium) var(--ease-out) .42s,transform var(--medium) var(--ease-out) .42s}
  .nav__panel.is-open .nav__cta{opacity:1;transform:none}
  .nav__meta{margin-top:1rem;display:flex;gap:1.4rem;flex-wrap:wrap;
    font:500 var(--step--2)/1.5 var(--font-mono);letter-spacing:.08em;color:var(--fg-faint);
    opacity:0;transition:opacity var(--medium) .5s}
  .nav__panel.is-open .nav__meta{opacity:1}
}
@media (min-width:961px){ .nav__meta{display:none} }

/* ============================================================================
   LOADER  (§10) — wordmark + filete + índice, revelado rápido
   ========================================================================== */
.loader{position:fixed;inset:0;z-index:1600;display:grid;place-items:center;background:var(--ivory);
  transition:transform var(--slow) var(--ease-sig);will-change:transform}
html.is-loaded .loader{transform:translateY(-101%);pointer-events:none}
.loader__inner{display:grid;justify-items:center;gap:1.4rem;width:min(78vw,30rem)}
.loader__word{font:500 clamp(1rem,3.4vw,1.4rem)/1 var(--font-mono);letter-spacing:.5em;
  text-transform:uppercase;padding-left:.5em;color:var(--ink);overflow:hidden}
.loader__word span{display:inline-block;transform:translateY(105%);
  animation:loaderWord .8s var(--ease-sig) forwards}
.loader__track{width:100%;height:1px;background:var(--line);position:relative;overflow:hidden}
.loader__track::after{content:"";position:absolute;inset:0;background:var(--ink);
  transform:scaleX(0);transform-origin:left;animation:loaderTrack 1.15s var(--ease-io) .15s forwards}
.loader__count{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.24em;color:var(--ink-faint)}
.loader__count b{color:var(--ink);font-weight:500}
@keyframes loaderWord{to{transform:none}}
@keyframes loaderTrack{to{transform:scaleX(1)}}
html.no-js .loader{display:none}

/* ============================================================================
   CURSOR PERSONALIZADO  (§33) — solo puntero fino
   ========================================================================== */
.cursor{position:fixed;top:0;left:0;z-index:9999;pointer-events:none;opacity:0;
  mix-blend-mode:difference;transition:opacity var(--fast)}
.cursor.is-active{opacity:1}
.cursor__dot{position:absolute;width:6px;height:6px;border-radius:50%;background:#fff;
  transform:translate(-50%,-50%);transition:width var(--fast) var(--ease-out),height var(--fast) var(--ease-out),opacity var(--fast)}
.cursor.is-hover .cursor__dot{width:3px;height:3px;opacity:.5}
.cursor.is-label .cursor__dot{opacity:0}
.cursor__ring{position:absolute;width:34px;height:34px;border:1px solid rgba(255,255,255,.7);
  border-radius:50%;transform:translate(-50%,-50%);display:grid;place-items:center;
  transition:width .32s var(--ease-sig),height .32s var(--ease-sig),
    background-color var(--fast) var(--ease-out),border-color var(--fast)}
.cursor.is-hover .cursor__ring{width:56px;height:56px;background:rgba(255,255,255,.06)}
.cursor.is-label .cursor__ring{width:74px;height:74px;background:#fff;border-color:#fff}
.cursor__label{font:500 8.5px/1 var(--font-mono);letter-spacing:.16em;text-transform:uppercase;
  color:#000;opacity:0;transition:opacity var(--fast) .05s;text-align:center;max-width:60px}
.cursor.is-label .cursor__label{opacity:1}
@media (hover:none),(pointer:coarse){ .cursor{display:none} }

/* ============================================================================
   HERO  (§12–14) — composición editorial a pantalla completa.
   Fondo: gradiente + grano + campo topográfico SVG (0 imágenes).
   ========================================================================== */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;
  padding:var(--edge);overflow:clip;isolation:isolate;color:#F6F3EC;
  background:
    radial-gradient(120% 90% at 74% 26%,rgba(120,110,78,.20),transparent 55%),
    radial-gradient(140% 120% at 12% 100%,rgba(10,11,7,.65),transparent 60%),
    linear-gradient(160deg,#232420 0%,#191a15 44%,#111209 100%)}

/* --- campo topográfico --- */
.hero__field{position:absolute;inset:calc(var(--edge) - 1px);overflow:hidden;z-index:1;
  pointer-events:none;opacity:.9;transform:translate3d(var(--fx,0px),var(--fy,0px),0)}
.hero__field svg{position:absolute;left:-26%;top:-30%;width:152%;height:158%}
.field__ring{fill:none;stroke:var(--gold-soft);stroke-width:1;vector-effect:non-scaling-stroke;
  opacity:.42;mix-blend-mode:screen}
.field__ring:nth-child(-n+3){opacity:.72;stroke-width:1.15}
.field__ring:nth-child(n+9){opacity:.24}
.pe .field__ring{stroke-dasharray:1;stroke-dashoffset:1;
  transition:stroke-dashoffset 1.7s var(--ease-io);transition-delay:calc(.15s + var(--i) * .055s)}
.pe.is-ready .field__ring{stroke-dashoffset:0}
.reveal-all .field__ring{stroke-dashoffset:0!important;transition:none!important}
.field__vertex circle{fill:var(--gold-soft)}
.field__vertex path{stroke:var(--gold-soft);stroke-width:1;vector-effect:non-scaling-stroke}
.field__vertex{opacity:0;transition:opacity .6s var(--ease-out) 1.1s}
.pe.is-ready .field__vertex,.reveal-all .field__vertex{opacity:.85}
.field__reads circle{fill:#F6F3EC}
.field__reads text{font:500 13px/1 var(--font-mono);letter-spacing:.08em;fill:rgba(246,243,236,.62);
  text-transform:lowercase}
.field__reads > g{opacity:0;transition:opacity .5s var(--ease-out)}
.pe.is-ready .field__reads > g{opacity:1;transition-delay:calc(1.3s + var(--r) * .16s)}
.reveal-all .field__reads > g{opacity:1}
@media (prefers-reduced-motion:reduce){
  .field__reads > g{opacity:1}
  .field__vertex{opacity:.85}
}
@media (max-width:900px){ .field__reads{display:none} }

.hero__frame{position:absolute;inset:var(--edge);border:1px solid rgba(244,241,233,.22);
  pointer-events:none;z-index:3}
.hero__meridian{position:absolute;top:var(--edge);bottom:var(--edge);z-index:3;
  left:clamp(1rem,4vw,3.2rem);width:1px;background:rgba(246,243,236,.28);transform-origin:top;
  pointer-events:none}
.pe .hero__meridian{transform:scaleY(0);transition:transform 1s var(--ease-sig) .25s}
.pe.is-ready .hero__meridian,.reveal-all .hero__meridian{transform:scaleY(1)}
@media (max-width:900px){ .hero__meridian{display:none} }

.hero__grid{position:relative;z-index:4;flex:1;display:grid;
  grid-template-rows:auto 1fr auto;gap:1.4rem;
  padding:calc(var(--header-h) - var(--edge) + 1.2rem) clamp(1.4rem,4vw,3.6rem) clamp(1.2rem,3vw,2.4rem)}
.hero__top{display:flex;justify-content:space-between;align-items:flex-start;gap:1.4rem}
.hero__top .eyebrow{color:rgba(246,243,236,.8);letter-spacing:.18em}
.hero__top .eyebrow::before{background:var(--gold-soft);inline-size:2.2rem}
.hero__legend{display:grid;gap:.55rem;justify-items:end;text-align:right;
  font:500 var(--step--2)/1.6 var(--font-mono);letter-spacing:.1em;color:rgba(246,243,236,.55);flex:none}
.hero__legend-coord{color:rgba(246,243,236,.78)}
.hero__legend-bar{width:4.5rem;height:1px;background:linear-gradient(90deg,transparent,var(--gold-soft));
  position:relative}
.hero__legend-bar::before,.hero__legend-bar::after{content:"";position:absolute;top:-2px;width:1px;height:5px;
  background:var(--gold-soft)}
.hero__legend-bar::before{left:0}.hero__legend-bar::after{right:0}

.hero__center{align-self:start;max-width:min(92vw,54rem)}
.hero__title{font-family:var(--font-display);font-weight:330;color:#F7F4ED;
  font-size:clamp(2.9rem,1.1rem + 7vw,7.2rem);line-height:1.0;letter-spacing:-.03em;
  text-shadow:0 4px 60px rgba(10,10,6,.4)}
.hero__title em{font-style:italic;font-weight:300;color:#fff}
.hero__title .line{display:block;overflow:hidden;padding-block:.04em}
.hero__title .line > span{display:block}
.pe .hero__title .line > span{transform:translateY(120%);
  transition:transform 1.15s var(--ease-sig);will-change:transform}
.pe .hero__title .line:nth-child(1) > span{transition-delay:.5s}
.pe .hero__title .line:nth-child(2) > span{transition-delay:.64s}
.pe .hero__title .line:nth-child(3) > span{transition-delay:.78s}
.pe.is-ready .hero__title .line > span{transform:none}
.reveal-all .hero__title .line > span{transform:none!important;transition:none!important}

/* secuencia de entrada del hero — toda en CSS, sin depender de rAF */
.pe .hero__top [data-fade]{transition-duration:1s}
.pe.is-ready .hero__top [data-fade]{transition-delay:.32s}
.pe.is-ready .hero__sub{transition-delay:1.06s}
.pe.is-ready .hero__actions{transition-delay:1.2s}
.pe .hero__scroll{opacity:0;transform:translateY(10px);
  transition:opacity .8s var(--ease-out) 1.5s,transform .8s var(--ease-out) 1.5s}
.pe.is-ready .hero__scroll{opacity:1;transform:none}
.reveal-all .hero__scroll{opacity:1!important;transform:none!important}

.hero__bottom{display:grid;gap:1.6rem}
.hero__sub{font-size:var(--step-1);line-height:1.5;max-width:34ch;color:rgba(246,243,236,.82)}
.hero__actions{display:flex;flex-wrap:wrap;gap:.8rem}
.hero__actions .btn--primary{--btn-fill:var(--ivory);--btn-fill-fg:var(--ink);--accent:var(--gold-soft)}
.hero__actions .btn--ghost{border-color:rgba(244,241,233,.4);color:#F6F3EC}
.hero__actions .btn--ghost:hover{color:var(--ink)}
.hero__actions .btn--ghost::before{background:var(--ivory)}

.hero__scroll{position:absolute;left:clamp(1.4rem,4vw,3.6rem);bottom:clamp(1.4rem,3vw,2.6rem);
  display:inline-flex;flex-direction:column;align-items:center;gap:.8rem;z-index:4;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.24em;text-transform:uppercase;
  color:rgba(246,243,236,.62);writing-mode:vertical-rl}
.hero__scroll-rail{writing-mode:horizontal-tb;width:1px;height:3.2rem;background:rgba(246,243,236,.28);
  position:relative;overflow:hidden}
.hero__scroll-tick{position:absolute;left:0;right:0;height:40%;top:-40%;background:var(--gold-soft);
  animation:scrollTick 2.6s var(--ease-io) infinite}
@keyframes scrollTick{0%{top:-45%}60%,100%{top:100%}}
.hero.is-past .hero__scroll{opacity:0!important;transition:opacity var(--medium)}

@media (max-width:620px){
  .hero__top{flex-direction:column;gap:.9rem}
  .hero__legend{justify-items:start;text-align:left}
  .hero__scroll{display:none}
  .hero__center{padding-top:clamp(1.5rem,7vw,3rem)}
  .hero__field{opacity:.7}
}
@media (min-width:620px){ .hero__grid{padding-inline:clamp(2.2rem,5vw,4.4rem)} }
@media (min-width:1000px){
  .hero__center{align-self:center;padding-top:clamp(0rem,4vh,3.5rem)}
  .hero__bottom{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:2rem}
  .hero__actions{justify-content:flex-end;flex-wrap:nowrap}
}

/* ============================================================================
   INTRO EDITORIAL  (§15) — mucho aire, revelado por palabra/línea
   ========================================================================== */
.intro{position:relative;padding-block:clamp(6rem,14vw,13rem);overflow:clip}
.intro__grid{display:grid;gap:clamp(2.5rem,6vw,4.5rem)}
.intro__lead{font-family:var(--font-display);font-weight:360;font-size:var(--step-5);
  line-height:1.12;letter-spacing:-.02em;max-width:20ch}
.intro__lead em{font-style:italic}
.intro__aside{display:grid;gap:1.5rem;align-content:start;max-width:44ch}
.intro__aside p{color:var(--fg-soft);font-size:var(--step-1);line-height:1.55}
.intro__meta{display:flex;gap:.7rem;align-items:center;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fg-faint)}
.intro__meta::before{content:"";width:2rem;height:1px;background:var(--accent-2)}
.intro .ghost-num{bottom:-2.5rem;right:4%}
@media (min-width:900px){
  .intro__grid{grid-template-columns:1.25fr .75fr;align-items:end;
    gap:clamp(3rem,7vw,7rem)}
  .intro__lead{font-size:var(--step-6)}
}

/* ============================================================================
   TRANSICIÓN CINEMATOGRÁFICA  (§16) — banda de imagen que se expande
   ========================================================================== */
.cross{position:relative;height:clamp(78vh,86vh,94vh);overflow:clip;background:var(--char);isolation:isolate}
.cross__media{position:absolute;inset:0;overflow:hidden}
.cross__media img{width:100%;height:118%;position:absolute;inset:-9% 0;object-fit:cover;
  filter:saturate(.78) contrast(1.04) brightness(.92)}
.cross__media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,var(--char),transparent 26%,transparent 66%,rgba(17,18,9,.92) 100%)}
.cross__caption{position:absolute;left:var(--gutter);bottom:clamp(2rem,6vw,4rem);z-index:2;
  max-width:26ch;color:#F4F1E9;font-family:var(--font-display);font-style:italic;font-weight:340;
  font-size:var(--step-3);line-height:1.24;letter-spacing:-.01em;text-wrap:balance}
.cross__tag{position:absolute;left:var(--gutter);top:clamp(4.5rem,12vw,7rem);z-index:2;
  display:inline-flex;align-items:center;gap:.8rem;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.22em;text-transform:uppercase;
  color:rgba(244,241,233,.55)}
.cross__tag::before{content:"";width:2.4rem;height:1px;background:var(--gold-soft)}

/* ============================================================================
   TRATAMIENTOS  (§17) — lista editorial interactiva, no tarjetas
   ========================================================================== */
.treat{position:relative;padding-block:var(--section);overflow:clip}
.treat__head{display:grid;gap:1.1rem;margin-bottom:clamp(2.5rem,6vw,4.5rem);max-width:34ch}
.treat__head h2{font-family:var(--font-display);font-weight:380;font-size:var(--step-4);letter-spacing:-.02em}

.treat__ui{display:grid;gap:2rem}
.treat__list{border-top:1px solid var(--hair)}
.treat__row{position:relative;border-bottom:1px solid var(--hair)}
.treat__row button{display:flex;align-items:baseline;gap:1.2rem;width:100%;text-align:left;
  padding:1.35rem .2rem;color:var(--fg-soft);transition:color var(--medium) var(--ease-out),padding var(--medium) var(--ease-sig)}
.treat__num{font:500 var(--step--1)/1 var(--font-mono);letter-spacing:.06em;color:var(--fg-faint);
  flex:none;transition:color var(--medium)}
.treat__name{flex:1;font-family:var(--font-display);font-weight:370;font-size:var(--step-3);
  line-height:1.08;letter-spacing:-.018em}
.treat__row .treat__line{position:absolute;left:0;bottom:-1px;height:1px;width:100%;background:var(--fg);
  transform:scaleX(0);transform-origin:left;transition:transform var(--medium) var(--ease-sig)}
.treat__row.is-active button,.treat__row button:hover{color:var(--fg);padding-left:.7rem}
.treat__row.is-active .treat__num,.treat__row button:hover .treat__num{color:var(--accent-2)}
.treat__row.is-active .treat__line{transform:scaleX(1)}

.treat__stage{position:relative}
.treat__viewer{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bone);
  border:1px solid var(--hair-2)}
.treat__viewer img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.06);transition:opacity var(--medium) var(--ease-out),transform 1.4s var(--ease-out)}
.treat__viewer img.is-shown{opacity:1;transform:scale(1)}
.treat__viewer-n{position:absolute;right:.6rem;bottom:.2rem;font-family:var(--font-display);font-weight:300;
  font-size:clamp(4rem,12vw,7rem);line-height:1;color:#F4F1E9;mix-blend-mode:difference;pointer-events:none}
.treat__detail{margin-top:1.4rem;min-height:8.5rem}
.treat__panel{display:none}
.treat__panel.is-shown{display:block}
.pe .treat__panel{animation:treatPanel .6s var(--ease-out)}
@keyframes treatPanel{from{opacity:0;transform:translateY(10px)}}
.treat__panel h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-2);
  letter-spacing:-.015em;margin-bottom:.5rem}
.treat__panel p{color:var(--fg-soft);max-width:44ch;margin-bottom:1rem}
.treat__panel dl{display:flex;gap:1.6rem;flex-wrap:wrap;
  font:500 var(--step--2)/1.5 var(--font-mono);letter-spacing:.06em;text-transform:uppercase}
.treat__panel dt{color:var(--fg-faint)}
.treat__panel dd{color:var(--fg)}

/* Móvil: la imagen se fija arriba y la lista se desplaza por debajo (§17) */
@media (max-width:899px){
  .treat__stage{display:contents}
  .treat__viewer{order:-2;position:sticky;top:var(--header-h);z-index:2;aspect-ratio:16/10;
    box-shadow:0 14px 20px -18px rgba(26,25,21,.5)}
  .treat__list{order:-1}
  .treat__detail{order:0;margin-top:.5rem}
}
@media (min-width:900px){
  .treat__ui{grid-template-columns:1.05fr .95fr;gap:clamp(2.5rem,6vw,5rem);align-items:start}
  .treat__stage{position:sticky;top:calc(var(--header-h) + 2rem)}
  .treat__head{margin-bottom:clamp(3rem,7vw,5.5rem)}
}

/* ============================================================================
   ANÁLISIS  (§18–19) — pieza oscura: constelación de densidad + datos
   ========================================================================== */
.analysis{position:relative;overflow:clip;padding-block:clamp(6rem,13vw,12rem)}
.analysis .ghost-num{bottom:-2rem;left:2%}
.analysis__grid{display:grid;gap:clamp(2.5rem,6vw,4.5rem);align-items:center}
.analysis__copy{display:grid;gap:1.4rem;max-width:42ch}
.analysis__copy h2{font-family:var(--font-display);font-weight:380;font-size:var(--step-5);letter-spacing:-.02em}
.analysis__copy h2 em{font-style:italic}
.analysis__copy p{color:var(--fg-soft);font-size:var(--step-1)}
.analysis__readout{margin-top:.6rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;
  border-top:1px solid var(--hair);padding-top:1.4rem}
.analysis__readout div{display:grid;gap:.35rem}
.analysis__readout dt{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.12em;
  text-transform:uppercase;color:var(--fg-faint)}
.analysis__readout dd{font-family:var(--font-display);font-weight:360;font-size:var(--step-2);color:var(--fg)}

.analysis__stage{position:relative;aspect-ratio:1/1;width:100%;overflow:hidden;
  border:1px solid var(--hair-2);background:var(--char-deep)}
.analysis__stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:saturate(.8) brightness(.92)}
.analysis__stage::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(17,18,9,.45),transparent 30%,transparent 62%,rgba(17,18,9,.6))}
.analysis__scan{position:absolute;left:0;right:0;height:1px;top:2%;z-index:1;
  background:linear-gradient(90deg,transparent,var(--gold-soft),transparent);opacity:.7;
  box-shadow:0 0 14px 1px var(--gold-soft);
  animation:analysisScan 3.6s var(--ease-io) infinite}
@keyframes analysisScan{0%,100%{top:2%}50%{top:98%}}
.analysis__grid-lines{position:absolute;inset:0;opacity:.5;color:var(--hair)}
.analysis__badge{position:absolute;left:1rem;top:1rem;display:flex;align-items:center;gap:.5rem;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--fg-faint)}
.analysis__badge::before{content:"";width:.42rem;height:.42rem;border-radius:50%;background:var(--gold-soft);
  animation:pulseDot 1.7s var(--ease-io) infinite}
@keyframes pulseDot{0%,100%{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}
.analysis__cap{position:absolute;right:1rem;bottom:.8rem;font:500 var(--step--2)/1.5 var(--font-mono);
  letter-spacing:.06em;text-transform:uppercase;color:var(--fg-faint);text-align:right;max-width:22ch}

@media (min-width:900px){
  .analysis__grid{grid-template-columns:.9fr 1.1fr;gap:clamp(3rem,7vw,6rem)}
}

/* ============================================================================
   RESULTADOS  (§20)  +  ANTES / DESPUÉS  (§21)
   ========================================================================== */
.results{position:relative;padding-block:var(--section);overflow:clip}
.results__head{display:grid;gap:1.2rem;max-width:40ch;margin-bottom:clamp(2.5rem,6vw,4rem)}
.results__head h2{font-family:var(--font-display);font-weight:380;font-size:var(--step-4);letter-spacing:-.02em}
.results__head p{color:var(--fg-soft)}

.ba{display:grid;gap:1.4rem}
.ba__stage{position:relative;width:100%;max-width:44rem;aspect-ratio:16/10;overflow:hidden;
  border:1px solid var(--hair-2);background:var(--char-deep);touch-action:pan-y;isolation:isolate;
  box-shadow:var(--shadow-media)}
.ba__layer{position:absolute;inset:0}
.ba__layer canvas,.ba__layer img{width:100%;height:100%;object-fit:cover;display:block}
.ba__layer--after{clip-path:inset(0 0 0 var(--pos,50%))}
.ba__layer--before{clip-path:inset(0 calc(100% - var(--pos,50%)) 0 0)}
.ba__tag{position:absolute;bottom:.9rem;font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.22em;
  text-transform:uppercase;padding:.42rem .8rem;color:#F4F1E9;
  background:color-mix(in srgb,var(--char) 48%,transparent);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  transition:opacity var(--fast) var(--ease-out)}
.ba__tag--before{left:.9rem;opacity:var(--tag-before,1)}
.ba__tag--after{right:.9rem;opacity:var(--tag-after,1)}
.ba__divider{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:1px;background:rgba(244,241,233,.9);
  transform:translateX(-50%);pointer-events:none;z-index:2}
.ba__divider::before{content:"";position:absolute;inset:0 -6px;
  background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--gold-soft) 40%,transparent),transparent)}
.ba__handle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:2.7rem;height:2.7rem;
  border-radius:50%;background:color-mix(in srgb,var(--ivory) 95%,transparent);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  box-shadow:0 10px 30px -10px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.15);display:grid;place-items:center;
  transition:transform .3s var(--ease-sig)}
.ba__stage:hover .ba__handle,.ba__range:focus-visible ~ .ba__handle{transform:translate(-50%,-50%) scale(1.12)}
.ba__handle::before,.ba__handle::after{content:"";position:absolute;width:0;height:0;
  border-block:5px solid transparent}
.ba__handle::before{border-right:6px solid var(--ink);left:.72rem}
.ba__handle::after{border-left:6px solid var(--ink);right:.72rem}
.ba__range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0;z-index:3}
.ba__note{font:500 var(--step--2)/1.6 var(--font-mono);letter-spacing:.04em;text-transform:uppercase;
  color:var(--fg-faint);max-width:52ch}

@media (min-width:900px){
  .results__inner{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(3rem,7vw,6rem);align-items:center}
  .results__head{margin-bottom:0}
}

/* ============================================================================
   MÉTODO  (§22–23) — storytelling sticky, la pieza estrella
   ========================================================================== */
.method{position:relative;background:var(--bone);overflow:clip}
.method__intro{padding-block:clamp(4rem,9vw,8rem) clamp(2rem,5vw,4rem)}
.method__intro h2{font-family:var(--font-display);font-weight:370;font-size:var(--step-5);
  letter-spacing:-.022em;max-width:16ch}
.method__intro p{margin-top:1.2rem;color:var(--fg-soft);max-width:42ch}

/* pista con scroll: media sticky + pasos */
.method__track{position:relative;display:grid;gap:2rem}
.method__viewport{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--char);
  border:1px solid var(--hair-2)}
.method__scene{position:absolute;inset:0;clip-path:inset(0 0 100% 0);
  transition:clip-path .9s var(--ease-sig)}
.method__scene:first-child,.method__scene.is-shown{clip-path:inset(0 0 0 0)}
.method__scene img{position:absolute;inset:-8% 0;width:100%;height:116%;object-fit:cover;
  filter:saturate(.8) contrast(1.04) brightness(.94);transform:scale(1.04);
  transition:transform 1.4s var(--ease-out)}
.method__scene.is-active img{transform:scale(1)}
.method__scene::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,18,9,.06),rgba(17,18,9,.6))}
.method__scene-n{position:absolute;left:-.06em;bottom:-.14em;font-family:var(--font-display);font-weight:280;
  font-size:clamp(5rem,15vw,10rem);line-height:.8;color:#F4F1E9;mix-blend-mode:soft-light;letter-spacing:-.04em}
.method__count{position:absolute;right:1.1rem;top:1rem;display:flex;align-items:baseline;gap:.35rem;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.14em;color:rgba(244,241,233,.55)}
.method__count b{font-weight:500;color:var(--gold-soft);font-size:var(--step-0)}
.method__progress{position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(244,241,233,.14)}
.method__progress span{position:absolute;inset:0 auto 0 0;width:var(--mp,0%);min-width:0;
  background:var(--gold-soft);transition:width var(--medium) var(--ease-out)}

.method__steps{position:relative;display:grid}
.method__rail{display:none}
.method__step{padding:1.5rem 0 1.6rem;border-top:1px solid var(--hair)}
.method__step:first-child{border-top:0}
/* Móvil: el visor también se fija y las escenas cambian al desplazar los pasos */
@media (max-width:899px){
  .method__viewport{position:sticky;top:var(--header-h);z-index:2;aspect-ratio:16/11;
    box-shadow:0 14px 20px -18px rgba(0,0,0,.5)}
  .method__steps{padding-top:1.5rem;padding-bottom:8vh}
  .method__step{opacity:.4;transition:opacity var(--medium) var(--ease-out)}
  .method__step.is-active{opacity:1}
}
.method__step-h{display:flex;align-items:baseline;gap:1rem;position:relative}
.method__step-n{font:500 var(--step--1)/1 var(--font-mono);color:var(--fg-faint);letter-spacing:.06em;
  transition:color var(--medium)}
.method__step.is-active .method__step-n{color:var(--accent-2)}
.method__step h3{font-family:var(--font-display);font-weight:370;font-size:var(--step-2);letter-spacing:-.015em}
.method__step p{margin-top:.6rem;color:var(--fg-soft);max-width:44ch}

/* film final del método: el hilo PERSONA → SEGUIMIENTO */
.method__thread{padding-block:clamp(3rem,7vw,6rem) clamp(4rem,9vw,8rem)}
.method__thread-label{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--fg-faint);margin-bottom:1.4rem;display:block}
.method__thread svg{width:100%;height:auto;overflow:visible}
.method__thread .thread-guide{fill:none;stroke:var(--hair);stroke-width:1}
.method__thread .thread-line{fill:none;stroke:var(--fg);stroke-width:1.5;stroke-linecap:round}
.pe .method__thread .thread-line{stroke-dasharray:var(--len,1000);stroke-dashoffset:var(--len,1000)}
.pe .method__thread.in .thread-line{transition:stroke-dashoffset 2.2s var(--ease-io);stroke-dashoffset:0}
.method__thread .thread-node{fill:var(--bone);stroke:var(--fg);stroke-width:1.5}
.method__thread .thread-dot{fill:var(--accent-2)}
.method__thread .thread-trav circle{fill:var(--accent-2);filter:drop-shadow(0 0 6px color-mix(in srgb,var(--accent-2) 55%,transparent))}
.pe .method__thread:not(.in) .thread-trav{opacity:0}
.method__thread text{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;
  fill:var(--fg-soft)}

@media (min-width:900px){
  .method__intro{padding-block:clamp(6rem,12vw,11rem) clamp(3rem,6vw,5rem);
    display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:end}
  .method__intro p{margin-top:0}
  .method__track{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
    gap:clamp(3rem,7vw,6rem);align-items:start}
  .method__viewport{position:sticky;top:calc(var(--header-h) + 2.5rem)}
  .method__steps{padding-block:16vh 42vh;padding-left:2.6rem}
  .method__step{padding:clamp(3rem,11vh,7.5rem) 0;opacity:.3;transition:opacity var(--medium) var(--ease-out)}
  .method__step.is-active{opacity:1}
  .method__rail{display:block;position:absolute;left:0;top:16vh;bottom:42vh;width:1px;background:var(--hair)}
  .method__rail span{position:absolute;left:-1px;top:0;width:3px;height:0;background:var(--accent-2);
    transition:height var(--medium) var(--ease-out)}
  .method__step.is-active .method__step-h::before{content:"";position:absolute;left:-2.6rem;top:.5em;
    width:1.4rem;height:1px;background:var(--accent-2)}
}
.reveal-all .method__scene:not(:first-child){clip-path:inset(0 0 100% 0)!important}
.reveal-all .method__scene:first-child{clip-path:none!important}

/* ============================================================================
   THE DIFFERENCE  (§24) — composición editorial, foto grande + anotaciones
   ========================================================================== */
.diff{position:relative;padding-block:var(--section);overflow:clip}
.diff__grid{position:relative;display:grid;gap:clamp(2rem,5vw,3rem)}
.diff__head{max-width:34rem}
.diff__head .eyebrow{margin-bottom:1.2rem}
.diff__title{font-family:var(--font-display);font-weight:350;font-size:var(--step-4);
  line-height:1.1;letter-spacing:-.022em;max-width:15ch}
.diff__title em{font-style:italic;font-weight:320}
.diff__sub{margin-top:1.4rem;color:var(--fg-soft);font-size:var(--step-2);max-width:24rem;
  font-family:var(--font-display);font-weight:350;line-height:1.32}
.diff__sub em{font-style:italic;color:var(--fg)}
.diff__figure{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--bone);
  border:1px solid var(--hair-2);box-shadow:var(--shadow-media)}
.diff__figure img{width:100%;height:110%;position:absolute;inset:-5% 0;object-fit:cover}
.diff__figure figcaption{position:absolute;left:.9rem;bottom:.8rem;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:#F4F1E9;
  mix-blend-mode:difference}
.diff__notes{display:grid;gap:1.6rem;align-content:start}
.diff__note{display:grid;grid-template-columns:2.2rem 1fr;gap:.4rem;max-width:40ch}
.diff__note-n{font:500 var(--step--1)/1.5 var(--font-mono);color:var(--accent-2);letter-spacing:.05em}
.diff__note p{font-size:var(--step--1);line-height:1.6;color:var(--fg-soft)}
.diff__note b{color:var(--fg);font-weight:600}

@media (min-width:900px){
  .diff__grid{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
    grid-template-areas:"head figure" "notes figure";
    column-gap:clamp(3rem,7vw,6rem);row-gap:clamp(2.5rem,6vw,4.5rem);align-items:start}
  .diff__head{grid-area:head}
  .diff__figure{grid-area:figure;aspect-ratio:4/5;align-self:stretch}
  .diff__notes{grid-area:notes;padding-top:.5rem}
}
@media (min-width:1200px){
  .diff__figure{margin-top:clamp(0rem,4vw,3rem)}
}

/* ============================================================================
   LA CLÍNICA  (§25) — imagen arquitectónica + ledger de números
   ========================================================================== */
.clinic{position:relative;padding-block:var(--section);overflow:clip}
.clinic__head{display:grid;gap:1.1rem;max-width:34ch;margin-bottom:clamp(2rem,5vw,3.5rem)}
.clinic__head h2{font-family:var(--font-display);font-weight:370;font-size:var(--step-4);letter-spacing:-.02em}
.clinic__figure{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bone);
  border:1px solid var(--hair-2);box-shadow:var(--shadow-media);margin-bottom:clamp(3rem,7vw,5rem)}
.clinic__figure img{width:100%;height:114%;position:absolute;inset:-7% 0;object-fit:cover}
.clinic__figure figcaption{position:absolute;left:.9rem;bottom:.8rem;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:#F4F1E9;
  mix-blend-mode:difference}
.clinic__list{display:grid;gap:0;border-top:1px solid var(--hair)}
.clinic__item{display:grid;grid-template-columns:clamp(3.4rem,9vw,6rem) 1fr;gap:clamp(1.2rem,4vw,3rem);
  align-items:start;padding:clamp(1.6rem,4vw,2.6rem) 0;border-bottom:1px solid var(--hair)}
.clinic__item-n{font-family:var(--font-display);font-weight:300;font-size:clamp(2.4rem,7vw,4.4rem);
  line-height:.9;color:var(--accent-2);font-feature-settings:"tnum"}
.clinic__item-body{max-width:52ch;padding-top:.4rem}
.clinic__item h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-2);
  letter-spacing:-.015em;margin-bottom:.4rem}
.clinic__item p{color:var(--fg-soft);font-size:var(--step-0)}

@media (min-width:820px){
  .clinic__item{grid-template-columns:8rem 1fr;align-items:baseline}
  .clinic__item:nth-child(even){padding-left:clamp(2rem,8vw,7rem)}
}

/* ============================================================================
   EQUIPO  (§26) — lista editorial, retrato al interactuar
   ========================================================================== */
.team{position:relative;padding-block:var(--section);overflow:clip}
.team__head{display:grid;gap:1.1rem;max-width:34ch;margin-bottom:clamp(2.5rem,6vw,4rem)}
.team__head h2{font-family:var(--font-display);font-weight:380;font-size:var(--step-4);letter-spacing:-.02em}
.team__ui{display:grid;gap:2rem}
.team__portrait{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bone);
  border:1px solid var(--hair-2)}
.team__portrait img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.05);transition:opacity var(--medium) var(--ease-out),transform 1.2s var(--ease-out)}
.team__portrait img.is-shown{opacity:1;transform:scale(1)}
.team__list{border-top:1px solid var(--hair)}
.team__member{position:relative;border-bottom:1px solid var(--hair)}
.team__member button{display:grid;gap:.2rem;width:100%;text-align:left;padding:1.35rem .2rem;
  transition:padding var(--medium) var(--ease-sig)}
.team__member.is-active button,.team__member button:hover{padding-left:.7rem}
.team__name{font-family:var(--font-display);font-weight:380;font-size:var(--step-2);letter-spacing:-.015em;
  color:var(--fg-soft);transition:color var(--medium)}
.team__member.is-active .team__name,.team__member button:hover .team__name{color:var(--fg)}
.team__role{font:500 var(--step--2)/1.4 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;
  color:var(--fg-faint)}
.team__member::after{content:"";position:absolute;left:-1.1rem;top:50%;width:.5rem;height:1px;
  background:var(--accent-2);transform:translateY(-50%) scaleX(0);transform-origin:left;
  transition:transform var(--medium) var(--ease-sig)}
.team__member.is-active::after{transform:translateY(-50%) scaleX(1)}
.team__foot{margin-top:1.6rem;color:var(--fg-soft);font-size:var(--step--1);max-width:46ch;
  padding-top:1.3rem;border-top:1px solid var(--hair)}

@media (max-width:899px){
  .team__ui{display:flex;flex-direction:column}
  .team__stage{order:-1;position:sticky;top:var(--header-h);z-index:2}
  .team__portrait{aspect-ratio:16/11;box-shadow:0 14px 20px -18px rgba(26,25,21,.5)}
}
@media (min-width:900px){
  .team__ui{grid-template-columns:.85fr 1.15fr;gap:clamp(2.5rem,6vw,5rem);align-items:start}
  .team__stage{position:sticky;top:calc(var(--header-h) + 2rem)}
}

/* ============================================================================
   TESTIMONIOS  (§27) — frase editorial enorme, cambio lento
   ========================================================================== */
.quotes{position:relative;padding-block:clamp(7rem,15vw,13rem);overflow:clip;background:var(--bone);isolation:isolate}
.quotes__mark{position:absolute;left:clamp(-1rem,-2vw,-3rem);top:clamp(-2rem,-1vw,1rem);z-index:0;
  font-family:var(--font-display);font-weight:300;font-size:clamp(16rem,42vw,34rem);line-height:1;
  color:var(--sand);pointer-events:none;user-select:none}
.quotes__label{position:relative;z-index:1;font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.22em;
  text-transform:uppercase;color:var(--fg-faint);margin-bottom:clamp(2.5rem,6vw,4rem);display:block}
.quotes .wrap{position:relative;z-index:1}
.quotes__stage{position:relative;min-height:14em}
.quotes__item{position:absolute;inset:0;opacity:0;transform:translateY(1.6rem);filter:blur(3px);
  transition:opacity .9s var(--ease-out),transform .9s var(--ease-out),filter .9s var(--ease-out);
  pointer-events:none}
.quotes__item.is-shown{opacity:1;transform:none;filter:none;pointer-events:auto;position:relative}
.quotes__item blockquote{display:grid;gap:2rem;max-width:54rem}
.quotes__item p{font-family:var(--font-display);font-weight:330;font-size:var(--step-5);
  line-height:1.2;letter-spacing:-.022em;text-wrap:balance}
.quotes__item p em{font-style:italic;color:var(--accent)}
.quotes__item footer{display:flex;gap:.9rem;align-items:baseline;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-faint)}
.quotes__item cite{font-style:normal;color:var(--fg)}
.quotes__foot{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:1.5rem 2rem;
  margin-top:clamp(2rem,5vw,3.2rem)}
.quotes__flag{display:inline-flex;align-items:center;gap:.5rem;
  font:500 var(--step--2)/1.4 var(--font-mono);letter-spacing:.06em;text-transform:uppercase;
  color:var(--fg-faint);border:1px solid var(--hair-2);padding:.5rem .8rem}
.quotes__dots{display:flex;gap:.55rem}
.quotes__dots button{width:2.2rem;height:1px;background:var(--hair-2);transition:background-color var(--fast),height var(--fast)}
.quotes__dots button[aria-current="true"]{background:var(--fg);height:2px}

@media (min-width:800px){
  .quotes__item p{font-size:var(--step-6);max-width:52rem}
}

/* ============================================================================
   FAQ  (§28) — acordeón minimal
   ========================================================================== */
.faq{position:relative;padding-block:var(--section);overflow:clip}
.faq__grid{display:grid;gap:2.5rem}
.faq__head h2{font-family:var(--font-display);font-weight:380;font-size:var(--step-4);letter-spacing:-.02em;
  max-width:12em}
.faq__list{border-top:1px solid var(--hair)}
.faq__item{border-bottom:1px solid var(--hair)}
.faq__item h3{margin:0}
.faq__q{display:flex;align-items:flex-start;justify-content:space-between;gap:1.5rem;width:100%;
  text-align:left;padding:1.5rem .2rem;font-family:var(--font-display);font-weight:400;font-size:var(--step-1);
  letter-spacing:-.01em;color:var(--fg-soft);transition:color var(--fast)}
.faq__q:hover,.faq__q[aria-expanded="true"]{color:var(--fg)}
.faq__sign{position:relative;width:1rem;height:1rem;flex:none;margin-top:.4rem}
.faq__sign::before,.faq__sign::after{content:"";position:absolute;top:50%;left:50%;background:currentColor;
  transition:transform var(--medium) var(--ease-sig)}
.faq__sign::before{width:1rem;height:1.5px;transform:translate(-50%,-50%)}
.faq__sign::after{width:1.5px;height:1rem;transform:translate(-50%,-50%)}
.faq__q[aria-expanded="true"] .faq__sign::after{transform:translate(-50%,-50%) scaleY(0)}
.faq__a{overflow:hidden}
.faq__a p{padding:.1rem .2rem 1.6rem;color:var(--fg-soft);max-width:60ch}
.pe .faq__a{height:0;visibility:hidden;transition:height var(--medium) var(--ease-out),visibility 0s linear var(--medium)}
.pe .faq__item.is-open .faq__a{visibility:visible;transition:height var(--medium) var(--ease-out),visibility 0s}

@media (min-width:900px){
  .faq__grid{grid-template-columns:.72fr 1.28fr;gap:clamp(2rem,5vw,4rem);align-items:start}
  .faq__head{position:sticky;top:calc(var(--header-h) + 2rem)}
}

/* ============================================================================
   CTA FINAL  (§29) — impacto, hover con inversión
   ========================================================================== */
.finale{position:relative;padding-block:clamp(7rem,16vw,15rem);text-align:center;overflow:clip}
.finale__inner{position:relative;z-index:1;display:grid;justify-items:center;gap:1.8rem;
  max-width:min(92vw,46rem);margin-inline:auto}
.finale h2{font-family:var(--font-display);font-weight:320;font-size:var(--step-7);line-height:.98;
  letter-spacing:-.032em}
.finale h2 em{font-style:italic;font-weight:300}
.finale p{color:var(--fg-soft);font-size:var(--step-1);max-width:34ch}
.finale__cta{margin-top:1.4rem}
.cta-xl{position:relative;display:inline-flex;align-items:center;gap:1.3rem;
  padding:1.5rem 2.6rem;border:1px solid var(--hair-2);border-radius:var(--r-xs);isolation:isolate;overflow:hidden;
  font:500 var(--step-0)/1 var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fg);
  transition:color var(--medium) var(--ease-out),border-color var(--medium),letter-spacing var(--medium) var(--ease-out)}
.cta-xl::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--fg);
  transform:scaleX(0);transform-origin:right;transition:transform var(--medium) var(--ease-sig)}
.cta-xl::after{content:"";position:absolute;inset:-.5rem;border:1px solid var(--hair-2);border-radius:var(--r-xs);
  opacity:0;transform:scale(.96);transition:opacity var(--medium) var(--ease-out),transform var(--medium) var(--ease-sig)}
.cta-xl:hover{color:var(--bg);border-color:var(--fg);letter-spacing:.2em}
.cta-xl:hover::before{transform:scaleX(1);transform-origin:left}
.cta-xl:hover::after{opacity:.4;transform:scale(1)}
.cta-xl svg{width:1.4rem;height:1.4rem;transition:transform var(--medium) var(--ease-sig)}
.cta-xl:hover svg{transform:translateX(.55rem)}
.finale .ghost-num{top:50%;left:50%;transform:translate(-50%,-52%);
  font-size:clamp(14rem,44vw,34rem);line-height:.7}

/* ============================================================================
   CONTACTO  (§30) — formulario premium, todos los estados
   ========================================================================== */
.contact{position:relative;padding-block:var(--section);overflow:clip}
.contact__grid{display:grid;gap:clamp(2.5rem,6vw,4.5rem)}
.contact__intro h2{font-family:var(--font-display);font-weight:380;font-size:var(--step-4);
  letter-spacing:-.02em;margin-bottom:1rem}
.contact__lead{color:var(--fg-soft);max-width:36ch;margin-bottom:2.2rem}
.contact__data{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;
  border-top:1px solid var(--hair);padding-top:1.6rem}
.contact__data dt{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;
  color:var(--fg-faint);margin-bottom:.4rem}
.contact__data dd{font-size:var(--step--1);color:var(--fg-soft);line-height:1.6}
.contact__data a:hover{color:var(--accent-2)}

.form{display:grid;gap:1.2rem;align-content:start}
.form__row{display:grid;gap:.5rem}
.form__two{display:grid;gap:1.2rem}
.form__row label,.form__consent{font-size:var(--step--1);color:var(--fg-soft)}
.form__req{color:var(--accent-2)}
.form__row input,.form__row textarea,.form__select select{width:100%;padding:.95rem 1rem;
  border:1px solid var(--hair-2);border-radius:var(--r-xs);background:var(--surface);color:var(--fg);
  font-size:var(--step-0);transition:border-color var(--fast),box-shadow var(--fast),background-color var(--fast)}
.form__row textarea{resize:vertical;min-height:6.5rem}
.form__row input:hover,.form__row textarea:hover,.form__select select:hover{border-color:var(--fg-faint)}
.form__row input:focus,.form__row textarea:focus,.form__select select:focus{outline:none;
  border-color:var(--fg);background:var(--bg);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--fg) 10%,transparent)}
.form__row input:user-invalid,.form__row textarea:user-invalid{border-color:#9c3b28}
.form__select{position:relative}
.form__select::after{content:"";position:absolute;right:1.1rem;top:50%;width:.5rem;height:.5rem;
  border-right:1.5px solid var(--fg-soft);border-bottom:1.5px solid var(--fg-soft);
  transform:translateY(-70%) rotate(45deg);pointer-events:none}
.form__select select{appearance:none;-webkit-appearance:none;padding-right:2.6rem}
.form__consent{display:flex;gap:.7rem;align-items:flex-start;line-height:1.5;margin-top:.2rem}
.form__consent input{margin-top:.15rem;width:1.05rem;height:1.05rem;flex:none;accent-color:var(--ink)}
.form__consent a{text-decoration:underline;text-underline-offset:2px}
.form__hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__submit{margin-top:.4rem;justify-self:start}
.form__submit[data-loading]{pointer-events:none;opacity:.7}
.form__status{font-size:var(--step--1);min-height:1.3em;font-weight:500;line-height:1.5}
.form__status.is-error{color:#9c3b28}
.form__status.is-ok{color:var(--olive)}
.form__status.is-info{color:var(--fg-soft)}
.form__demo{font:500 var(--step--2)/1.6 var(--font-mono);letter-spacing:.03em;color:var(--fg-faint)}
.form__demo code{background:var(--bone);padding:.1em .35em;border-radius:2px}

@media (min-width:600px){ .form__two{grid-template-columns:1fr 1fr} }
@media (min-width:900px){
  .contact__grid{grid-template-columns:1fr 1.05fr;gap:clamp(3rem,7vw,6rem);align-items:start}
}

/* ============================================================================
   FOOTER  (§31)
   ========================================================================== */
.site-footer{position:relative;padding-block:clamp(4rem,9vw,7rem) 2rem;overflow:clip}
.site-footer__grid{display:grid;gap:2.6rem}
.site-footer__brand p{margin:1.1rem 0 1.3rem;color:var(--fg-soft);max-width:32ch;font-size:var(--step--1)}
.site-footer__mark{font-family:var(--font-mono);font-weight:500;letter-spacing:.34em;text-transform:uppercase;
  font-size:1rem}
.site-footer__social{display:flex;gap:1.2rem;flex-wrap:wrap}
.site-footer__social a{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;
  color:var(--fg-soft);padding-bottom:2px;border-bottom:1px solid transparent;
  transition:color var(--fast),border-color var(--fast)}
.site-footer__social a:hover{color:var(--fg);border-color:var(--accent-2)}
.site-footer__col h2{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--fg-faint);margin-bottom:1.1rem}
.site-footer__col ul{display:grid;gap:.65rem}
.site-footer__col a{color:var(--fg-soft);font-size:var(--step--1);transition:color var(--fast)}
.site-footer__col a:hover{color:var(--fg)}
.site-footer__col address{font-style:normal;color:var(--fg-soft);font-size:var(--step--1);line-height:1.8}
.site-footer__legal{margin-top:3rem;padding-top:1.6rem;border-top:1px solid var(--hair);
  display:flex;flex-wrap:wrap;gap:.8rem 1.6rem;align-items:center;
  font:500 var(--step--2)/1.6 var(--font-mono);letter-spacing:.03em;color:var(--fg-faint)}
.site-footer__legal ul{display:flex;gap:1.2rem;flex-wrap:wrap}
.site-footer__legal a:hover{color:var(--fg)}
.site-footer__credit{width:100%;letter-spacing:.06em}

@media (min-width:900px){
  .site-footer__grid{grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:clamp(2rem,4vw,3.5rem)}
}

/* ============================================================================
   RESPONSIVE — layout mayor
   ========================================================================== */
@media (min-width:900px){
  :root{--header-h:92px}
  .intro__grid,.diff__grid{align-items:center}
}
@media (min-width:1200px){
  .hero__title{font-size:clamp(4.4rem,3rem + 3.6vw,6.8rem)}
}

/* ============================================================================
   MOVIMIENTO REDUCIDO  (§38)
   ========================================================================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .pe .reveal,.pe [data-fade],.pe [data-split] .line>span,
  .pe .hero__title .line>span,.pe .hero__scroll,.pe .hero__meridian,
  .pe .method__step{opacity:1!important;transform:none!important}
  .pe .reveal-mask{clip-path:none!important}
  .pe .field__ring{stroke-dashoffset:0!important}
  [data-parallax]{transform:none!important}
  .cursor{display:none!important}
  .method__scene{transition:none!important}
  .loader{display:none!important}
  .pe .method__thread .thread-line{stroke-dashoffset:0!important}
  .hero__scroll-tick,.analysis__badge::before{animation:none!important}
  .hero__field{opacity:.5}
}

@media print{
  .site-header,.hero__scroll,.cursor,.loader,.form,.nav{display:none!important}
  *{color:#000!important;background:#fff!important;box-shadow:none!important}
  .hero{min-height:auto}
}

/* ============================================================================
   PÁGINAS LEGALES / 404  (chrome reducido)
   ========================================================================== */
.page-min .site-header{background:color-mix(in srgb,var(--ivory) 90%,transparent);
  backdrop-filter:saturate(1.3) blur(12px);-webkit-backdrop-filter:saturate(1.3) blur(12px);
  box-shadow:0 1px 0 var(--hair)}
.doc{padding-top:calc(var(--header-h) + clamp(2.5rem,7vw,5rem));padding-bottom:var(--section)}
.doc__head{max-width:60ch;margin-bottom:clamp(2rem,5vw,3.5rem)}
.doc__head h1{font-family:var(--font-display);font-weight:380;font-size:var(--step-4);
  letter-spacing:-.02em;margin:1rem 0 .8rem}
.doc__meta{font:500 var(--step--2)/1.6 var(--font-mono);letter-spacing:.06em;text-transform:uppercase;
  color:var(--fg-faint)}
.doc__flag{margin-top:1.2rem;padding:.9rem 1.1rem;border:1px solid var(--hair-2);border-radius:var(--r-sm);
  background:var(--bone);font-size:var(--step--1);color:var(--fg-soft)}
.doc__nav{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;margin-bottom:clamp(2rem,5vw,3rem);
  padding-bottom:1.2rem;border-bottom:1px solid var(--hair);font:500 var(--step--1)/1 var(--font-mono);
  letter-spacing:.06em;text-transform:uppercase}
.doc__nav a{color:var(--fg-soft);transition:color var(--fast)}
.doc__nav a[aria-current]{color:var(--fg)}
.doc__nav a:hover{color:var(--fg)}
.prose{max-width:68ch}
.prose h2{font-family:var(--font-display);font-weight:400;font-size:var(--step-2);margin:2.4rem 0 .8rem;
  letter-spacing:-.015em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:var(--step-0);font-weight:600;margin:1.6rem 0 .5rem}
.prose p,.prose li{color:var(--fg-soft);margin-bottom:1rem;line-height:1.75}
.prose ul{list-style:disc;padding-left:1.3rem;margin-bottom:1rem}
.prose li{margin-bottom:.4rem}
.prose a{color:var(--fg);text-decoration:underline;text-underline-offset:2px}
.prose strong{color:var(--fg);font-weight:600}
.prose code{font-family:var(--font-mono);font-size:.9em;background:var(--bone);padding:.1em .35em;border-radius:2px}

.notfound{min-height:82svh;display:grid;place-content:center;text-align:center;gap:1.2rem;
  padding:var(--section) var(--gutter)}
.notfound__code{font-family:var(--font-display);font-weight:300;font-size:clamp(5rem,20vw,11rem);
  line-height:.9;letter-spacing:-.03em}
.notfound h1{font-family:var(--font-display);font-weight:400;font-size:var(--step-3);letter-spacing:-.02em}
.notfound p{color:var(--fg-soft);max-width:38ch;margin-inline:auto}
.notfound .btn{justify-self:center;margin-top:.6rem}

/* ============================================================================
   TRATAMIENTOS — hub · área · página de tratamiento
   Páginas interiores servidas desde /tratamientos/. La cabecera va en modo
   claro permanente (body.sub + data-header-static). Reutiliza tokens, .btn,
   .cta-xl, .link y el acordeón .faq__* del sitio.
   ========================================================================== */
body.sub{background:var(--bg)}
body.sub .site-header__bar{height:62px}
/* Cabecera interior: fondo sólido, sin backdrop-filter. Evita que el
   header cree un bloque contenedor para el panel de menú (position:fixed). */
body.sub .site-header,
body.sub .site-header.is-scrolled{background:var(--bg);
  -webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:0 1px 0 var(--line)}
body.sub .site-header.nav-is-open{background:transparent;box-shadow:none}

/* --- migas --- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
  padding-top:calc(var(--header-h) + clamp(1.4rem,4vw,2.6rem));
  font:500 var(--step--2)/1.5 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;
  color:var(--fg-faint)}
.crumbs a{color:var(--fg-faint);transition:color var(--fast)}
.crumbs a:hover{color:var(--fg)}
.crumbs [aria-current]{color:var(--fg)}
.crumbs__sep{color:var(--hair-2)}

/* --- acciones bajo el encabezado (hub/área/tratamiento) --- */
.tp__head-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:clamp(1.6rem,4vw,2.4rem)}

/* --- marcador de imagen (sustituir por fotografía) --- */
.ph{position:relative;margin:0;overflow:hidden;background:var(--bone);
  border:1px solid var(--hair-2)}
.ph--wide{aspect-ratio:16/10}
.ph--card{aspect-ratio:4/5}
.ph img{width:100%;height:100%;object-fit:cover}
.ph figcaption{position:absolute;left:.7rem;bottom:.6rem;
  font:500 var(--step--2)/1.3 var(--font-mono);letter-spacing:.05em;text-transform:uppercase;
  color:var(--fg-faint);background:color-mix(in srgb,var(--surface) 82%,transparent);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  padding:.32rem .55rem;border-radius:var(--r-xs);max-width:calc(100% - 1.4rem)}

/* ---------- HUB ---------- */
.hub__head{padding-block:clamp(2rem,5vw,3.4rem) clamp(2.4rem,6vw,4rem)}
.hub__head h1{font-family:var(--font-display);font-weight:350;font-size:var(--step-6);
  letter-spacing:-.026em;margin:1rem 0;max-width:14ch}
.hub__head .lead{max-width:54ch}
.hub__grid{display:grid;gap:clamp(1.3rem,3vw,2.1rem);padding-bottom:clamp(3rem,7vw,5rem)}
@media (min-width:720px){.hub__grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1120px){.hub__grid{grid-template-columns:repeat(3,1fr)}}

.hcard{position:relative;display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--hair);border-radius:var(--r);background:var(--surface);
  transition:border-color var(--medium) var(--ease-out),transform var(--medium) var(--ease-out),
    box-shadow var(--medium) var(--ease-out)}
.hcard:hover,.hcard:focus-within{border-color:var(--hair-2);transform:translateY(-3px);box-shadow:var(--shadow-float)}
.hcard__link{position:absolute;inset:0;z-index:2}
.hcard__link:focus-visible{outline-offset:-3px}
.hcard__media{position:relative}
.hcard__media .ph,.tcard__media .ph{border:0}
.hcard__body{display:flex;flex-direction:column;gap:.7rem;padding:clamp(1.2rem,2.6vw,1.8rem)}
.hcard__kicker{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--fg-faint)}
.hcard :is(h2,h3){font-family:var(--font-display);font-weight:390;font-size:var(--step-2);letter-spacing:-.015em}
.hcard__intro{color:var(--fg-soft);font-size:var(--step--1);line-height:1.55}
.hcard__list{display:flex;flex-wrap:wrap;gap:.3rem 1rem;margin-top:.2rem;
  font:500 var(--step--2)/1.6 var(--font-mono);letter-spacing:.02em;color:var(--fg-faint)}
.hcard__list li{position:relative;padding-left:.85rem}
.hcard__list li::before{content:"";position:absolute;left:0;top:.62em;width:3px;height:3px;border-radius:50%;
  background:var(--accent-2)}
.hcard__list .hcard__more{color:var(--fg)}
.hcard .link{margin-top:.7rem;align-self:flex-start}
.hcard:hover .link,.hcard:focus-within .link{color:var(--accent-2);background-size:100% 1px}

/* ---------- ÁREA ---------- */
.area__head{padding-block:clamp(1.4rem,4vw,2.8rem) clamp(1.6rem,4vw,2.6rem)}
.area__head h1{font-family:var(--font-display);font-weight:360;font-size:var(--step-5);
  letter-spacing:-.022em;margin:1rem 0;max-width:16ch}
.area__hero{padding-bottom:clamp(2rem,5vw,3.4rem)}
.area__hero .ph,.tp__hero .ph{border-radius:var(--r);aspect-ratio:21/9}
@media (max-width:640px){.area__hero .ph,.tp__hero .ph{aspect-ratio:3/2}}
.area__intro{display:grid;gap:1rem;padding-bottom:clamp(2.4rem,6vw,3.6rem);border-bottom:1px solid var(--hair)}
.area__intro p{max-width:62ch;color:var(--fg-soft);font-size:var(--step-1);line-height:1.55}
.area__count{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--fg-faint)}
.area__count b{color:var(--accent-2);font-weight:500}
@media (min-width:820px){.area__intro{grid-template-columns:1fr auto;align-items:end;gap:2rem}}

.area__grid{display:grid;gap:clamp(1.3rem,3vw,2rem);padding-block:clamp(2.4rem,6vw,4rem)}
@media (min-width:640px){.area__grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1080px){.area__grid{grid-template-columns:repeat(3,1fr)}}

.tcard{display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--hair);border-radius:var(--r);
  scroll-margin-top:calc(var(--header-h) + 1.5rem);
  transition:border-color var(--medium) var(--ease-out),box-shadow var(--medium) var(--ease-out),
    transform var(--medium) var(--ease-out)}
.tcard:hover{border-color:var(--hair-2);box-shadow:var(--shadow-float);transform:translateY(-3px)}
.tcard:target{border-color:var(--accent-2);box-shadow:var(--shadow-float)}
.tcard__media{position:relative}
.tcard__body{display:flex;flex-direction:column;gap:.55rem;flex:1;padding:clamp(1.1rem,2.6vw,1.65rem)}
.tcard h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-1);letter-spacing:-.01em}
.tcard__tag{font:500 var(--step--2)/1.45 var(--font-mono);letter-spacing:.03em;text-transform:uppercase;
  color:var(--accent-2)}
.tcard__body>p{color:var(--fg-soft);font-size:var(--step--1);line-height:1.55}
.tcard__more{margin:.1rem 0}
.tcard__more summary{display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;padding:.3rem 0;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--fg-faint);
  transition:color var(--fast)}
.tcard__more summary::-webkit-details-marker{display:none}
.tcard__more summary::before{content:"+";font-size:1.1em;line-height:0}
.tcard__more[open] summary::before{content:"–"}
.tcard__more summary:hover{color:var(--fg)}
.tcard__more p{margin-top:.45rem;font-size:var(--step--1);color:var(--fg-soft)}
.tcard .link{margin-top:auto;padding-top:.8rem;align-self:flex-start}

.area__nav{padding-block:clamp(2.4rem,6vw,4rem);border-top:1px solid var(--hair)}
.area__nav h2,.tp__related h2{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.16em;
  text-transform:uppercase;color:var(--fg-faint);margin-bottom:1.2rem}
.area__nav ul{display:flex;flex-wrap:wrap;gap:.6rem 1.7rem}
.area__nav a{font-family:var(--font-display);font-size:var(--step-1);color:var(--fg-soft);
  transition:color var(--fast)}
.area__nav a:hover{color:var(--fg)}

/* ---------- PÁGINA DE TRATAMIENTO ---------- */
.tp__head{padding-block:clamp(1.4rem,4vw,2.8rem) clamp(1.4rem,4vw,2.4rem)}
.tp__head h1{font-family:var(--font-display);font-weight:360;font-size:var(--step-5);
  letter-spacing:-.022em;margin:1rem 0;max-width:20ch}
.tp__hero{padding-bottom:clamp(2.4rem,6vw,4rem)}

.tp__body{display:grid;gap:clamp(2.5rem,6vw,4rem);padding-bottom:clamp(3rem,7vw,5rem)}
@media (min-width:960px){
  .tp__body{grid-template-columns:minmax(0,1fr) minmax(0,20rem);gap:clamp(3rem,6vw,5rem);align-items:start}
}
.tp__content{display:grid;gap:clamp(2rem,5vw,3.2rem);min-width:0}
.tp__block h2{font-family:var(--font-display);font-weight:380;font-size:var(--step-2);letter-spacing:-.015em;
  margin-bottom:1rem;padding-bottom:.7rem;border-bottom:1px solid var(--hair)}
.tp__block>p{color:var(--fg-soft);max-width:64ch;line-height:1.7}
.tp__ul{display:grid;gap:.7rem;max-width:64ch}
.tp__ul li{position:relative;padding-left:1.5rem;color:var(--fg-soft);line-height:1.6}
.tp__ul li::before{content:"";position:absolute;left:0;top:.68em;width:.7rem;height:1px;background:var(--accent-2)}
.tp__steps{display:grid;gap:1.4rem}
.tp__steps li{display:grid;grid-template-columns:2.4rem 1fr;gap:1rem;align-items:start}
.tp__steps-n{font:500 var(--step--1)/1.6 var(--font-mono);color:var(--accent-2);letter-spacing:.04em}
.tp__steps h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-1);margin-bottom:.2rem}
.tp__steps p{color:var(--fg-soft);font-size:var(--step--1);line-height:1.55}
.tp__faq .faq__list{border-top:0}
.tp__faq .faq__item:first-child{border-top:1px solid var(--hair)}
.tp__disclaimer{font-size:var(--step--1);color:var(--fg-faint);line-height:1.6;
  border-left:2px solid var(--hair-2);padding-left:1rem;max-width:62ch}

.tp__aside{display:grid;gap:1.6rem;align-content:start}
@media (min-width:960px){.tp__aside{position:sticky;top:calc(var(--header-h) + 1.4rem)}}
.tp__panel{display:grid;gap:1rem;padding:clamp(1.3rem,3vw,1.8rem);background:var(--surface);
  border:1px solid var(--hair);border-radius:var(--r)}
.tp__panel h2{font-family:var(--font-display);font-weight:400;font-size:var(--step-1)}
.tp__panel p{font-size:var(--step--1);color:var(--fg-soft)}
.tp__panel .btn{width:100%}
.tp__ficha{display:grid;gap:.7rem;border-top:1px solid var(--hair);padding-top:1rem}
.tp__ficha div{display:flex;justify-content:space-between;gap:1rem;
  font:500 var(--step--2)/1.4 var(--font-mono);letter-spacing:.04em;text-transform:uppercase}
.tp__ficha dt{color:var(--fg-faint)}
.tp__ficha dd{color:var(--fg);text-align:right}
.tp__related ul{display:grid;gap:.5rem;margin-bottom:1rem}
.tp__related a{color:var(--fg-soft);font-size:var(--step--1);transition:color var(--fast)}
.tp__related a:hover{color:var(--fg)}

.tp-cta{position:relative;padding-block:clamp(5rem,11vw,9rem);text-align:center;overflow:clip}
.tp-cta__inner{display:grid;justify-items:center;gap:1.4rem;max-width:44rem;margin-inline:auto}
.tp-cta h2{font-family:var(--font-display);font-weight:330;font-size:var(--step-5);letter-spacing:-.026em}
.tp-cta p{color:var(--fg-soft);max-width:34ch}
.tp-cta__meta{margin-top:.4rem;font:500 var(--step--2)/1.6 var(--font-mono);letter-spacing:.06em;color:var(--fg-faint)}
.tp-cta__meta a:hover{color:var(--accent-2)}

/* ============================================================================
   CAPÍTULOS v2 — la home como 12 grandes composiciones verticales
   Cada <section class="chapter"> es un "capítulo": índice + eyebrow + titular
   + subtexto + composición visual + CTA cuando aporta. Reutiliza los widgets
   existentes (tratamientos, método, antes/después, FAQ, formulario…) alojados
   dentro de un contenedor con mucho más aire y una jerarquía común.
   ========================================================================== */
.chapter{--chapter-pad:clamp(4.5rem,3rem + 8vh,8.5rem);
  position:relative;overflow:clip;padding-block:var(--chapter-pad)}
/* los widgets heredados fijaban su propio padding-block: se unifica al del capítulo */
.chapter.treat,.chapter.results,.chapter.analysis,
.chapter.faq,.chapter.contact,.chapter.quotes{padding-block:var(--chapter-pad)}
.chapter--bone{background:var(--bone)}
/* primer capítulo tras el hero: menos aire arriba para que no quede un hueco */
.chapter--tight{padding-top:clamp(2.25rem,1.5rem + 3vh,4rem)}

/* fondo: número romano/arábigo gigante, discreto, arriba a la derecha */
.chapter > .ghost-num{top:clamp(.5rem,3vw,2.5rem);right:clamp(-.5rem,2vw,2rem);left:auto;bottom:auto;
  font-size:clamp(3.4rem,10vw,8rem)}

/* — jerarquía común del capítulo — */
.chapter__head{display:grid;gap:1.15rem;max-width:42ch;margin-bottom:clamp(2.6rem,7vw,5.5rem)}
.chapter__head--wide{max-width:58ch}
.chapter__index{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.22em;text-transform:uppercase;
  color:var(--fg-faint)}
.chapter__title{font-family:var(--font-display);font-weight:360;font-size:var(--step-4);line-height:1.1;
  letter-spacing:-.022em}
@media (min-width:1200px){ .chapter__title{font-size:var(--step-5);line-height:1.08} }
.chapter__title em{font-style:italic;font-weight:340}
.chapter__lead{font-size:var(--step-1);line-height:1.55;color:var(--fg-soft);max-width:46ch}
.chapter__head .link{margin-top:.4rem;justify-self:start}

/* composición editorial: texto + imagen grande */
.chapter__grid--editorial{display:grid;gap:clamp(2.4rem,6vw,4rem)}
.chapter__media{position:relative;aspect-ratio:16/11;overflow:hidden;background:var(--bone);
  border:1px solid var(--hair-2);box-shadow:var(--shadow-media);
  margin-block:clamp(2.4rem,6vw,4rem)}
.chapter__media img{width:100%;height:100%;object-fit:cover}
.chapter__media--tall{aspect-ratio:4/5}
.chapter__media figcaption{position:absolute;left:.9rem;bottom:.8rem;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:#F4F1E9;
  mix-blend-mode:difference}

/* claim editorial de cierre (§02) */
.chapter__claim{margin-top:clamp(3rem,8vw,6rem);max-width:22ch;
  font-family:var(--font-display);font-style:italic;font-weight:340;font-size:var(--step-4);
  line-height:1.22;letter-spacing:-.02em;color:var(--fg)}
.chapter__claim em{font-style:italic;color:var(--accent)}

/* — ledger de la clínica (§02) — */
.ledger{display:grid;border-top:1px solid var(--hair);margin-top:clamp(3rem,7vw,5rem)}
.ledger__item{display:grid;grid-template-columns:clamp(3rem,8vw,5rem) 1fr;gap:clamp(1rem,4vw,3rem);
  align-items:baseline;padding:clamp(1.5rem,4vw,2.4rem) 0;border-bottom:1px solid var(--hair)}
.ledger__n{font-family:var(--font-display);font-weight:300;font-size:clamp(2rem,6vw,3.4rem);line-height:.9;
  color:var(--accent-2);font-feature-settings:"tnum"}
.ledger__item h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-2);
  letter-spacing:-.015em;margin-bottom:.3rem}
.ledger__item p{color:var(--fg-soft);max-width:48ch}

/* — línea de proceso con números grandes (§05 trasplante) — */
.stepline{border-top:1px solid var(--hair);margin-top:clamp(3rem,7vw,5rem)}
.stepline li{display:grid;grid-template-columns:clamp(2.6rem,7vw,4.5rem) 1fr;gap:clamp(1rem,3vw,2.2rem);
  padding:clamp(1.5rem,4vw,2.6rem) 0;border-bottom:1px solid var(--hair)}
.stepline__n{font-family:var(--font-display);font-weight:300;font-size:clamp(1.8rem,5vw,3rem);line-height:1;
  color:var(--accent-2)}
.stepline h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-2);
  letter-spacing:-.015em;margin-bottom:.35rem}
.stepline p{color:var(--fg-soft);max-width:56ch}

/* — pilares de tecnología (§08): filas editoriales, sin tarjetas — */
.pillars{border-top:1px solid var(--hair);margin-top:clamp(3rem,7vw,5rem)}
.pillars > div{padding:clamp(1.4rem,3.5vw,2.2rem) 0;border-bottom:1px solid var(--hair);
  display:grid;gap:.5rem;max-width:60ch}
.pillars h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-1);letter-spacing:-.01em}
.pillars p{color:var(--fg-soft)}

@media (min-width:820px){
  .ledger{grid-template-columns:1fr 1fr;column-gap:clamp(3rem,7vw,6rem)}
  .pillars > div{grid-template-columns:15rem 1fr;gap:2rem;max-width:none;align-items:baseline}
}
@media (min-width:900px){
  .chapter__grid--editorial{grid-template-columns:1.05fr .95fr;gap:clamp(3rem,7vw,6rem);align-items:center}
  .chapter__grid--editorial .chapter__head{margin-bottom:0}
  .chapter__grid--editorial .chapter__media{margin-block:0}
  .chapter.results .chapter__head{margin-bottom:0}
}

/* — §06 · el cambio en números: comparador de densidad dentro de Diagnóstico — */
.densidad{margin-top:clamp(3.5rem,8vw,6rem);display:grid;gap:clamp(2rem,5vw,3.5rem)}
.densidad__shot{position:relative;margin:0;overflow:hidden;border:1px solid var(--hair-2);
  aspect-ratio:16/10;background:var(--char-deep)}
.densidad__shot img{width:100%;height:100%;object-fit:cover}
.densidad__shot figcaption{position:absolute;left:0;right:0;bottom:0;padding:clamp(1rem,3vw,1.6rem);
  color:#F4F1E9;background:linear-gradient(transparent,rgba(17,18,9,.72));
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase}
.densidad__copy{display:grid;gap:.6rem;align-content:center;max-width:42ch}
.densidad__copy h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-2);letter-spacing:-.015em}
.densidad__copy p{color:var(--fg-soft)}
@media (min-width:900px){ .densidad{grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);align-items:center} }

/* ── DIAGNÓSTICO EXPRÉS — herramienta de orientación (§06) ── */
.dx{margin-top:clamp(3.5rem,8vw,6rem);border-top:1px solid var(--hair);
  padding-top:clamp(2.6rem,6vw,4.2rem)}
.dx__head{display:grid;gap:1rem;max-width:42ch;margin-bottom:clamp(2rem,5vw,3rem)}
.dx__head h3{font-family:var(--font-display);font-weight:380;font-size:var(--step-3);letter-spacing:-.02em}
.dx__panel{position:relative;max-width:44rem;background:var(--surface);
  border:1px solid var(--hair-2);padding:clamp(1.4rem,4.5vw,2.8rem)}
.dx__bar{height:2px;background:var(--hair);overflow:hidden;margin-bottom:clamp(1.8rem,4vw,2.6rem)}
.dx__bar span{display:block;height:100%;width:0;background:var(--accent-2);
  transition:width var(--medium) var(--ease-out)}
.dx__step{border:0;padding:0;margin:0;min-width:0}
.js .dx__step{display:none}
.js .dx__step.is-active{display:block;animation:dxIn .42s var(--ease-out)}
@keyframes dxIn{from{opacity:0;transform:translateY(8px)}}
.dx__q{display:flex;gap:.7rem;align-items:baseline;padding:0;margin-bottom:1.4rem;
  font-family:var(--font-display);font-weight:370;font-size:var(--step-2);letter-spacing:-.015em}
.dx__q-n{flex:none;font:500 var(--step--1)/1 var(--font-mono);letter-spacing:.06em;color:var(--accent-2)}
.dx__opts{display:grid;gap:.6rem}
.dx__opts button{width:100%;text-align:left;padding:1rem 1.1rem;border:1px solid var(--hair-2);
  color:var(--fg);font-size:var(--step-0);
  transition:border-color var(--fast),background-color var(--fast),padding-left var(--medium) var(--ease-sig)}
.dx__opts button:hover,.dx__opts button:focus-visible{border-color:var(--fg);padding-left:1.45rem}
.dx__opts button[aria-pressed="true"]{border-color:var(--accent-2);
  background:color-mix(in srgb,var(--accent-2) 14%,transparent)}
.dx__result{display:grid;gap:1rem;animation:dxIn .5s var(--ease-out)}
.dx__result-tag{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--fg-faint)}
.dx__result h4{font-family:var(--font-display);font-weight:390;font-size:var(--step-2);letter-spacing:-.015em}
.dx__result>p{color:var(--fg-soft);max-width:52ch}
.dx__links{display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;margin:.2rem 0}
.dx__actions{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.5rem;margin-top:.4rem}
.dx__restart{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;
  color:var(--fg-faint);padding:.4rem 0;transition:color var(--fast)}
.dx__restart:hover{color:var(--fg)}
.dx__disclaimer{font:500 var(--step--2)/1.6 var(--font-mono);letter-spacing:.02em;color:var(--fg-faint);
  max-width:58ch;margin-top:.3rem}
html:not(.js) .dx__steps,html:not(.js) .dx__bar{display:none}
@media (prefers-reduced-motion:reduce){ .js .dx__step.is-active,.dx__result{animation:none} }

/* ── CARTELES — bandas de titular grande, premium, remarcando el cambio ── */
/* ── §07 · EL CAMBIO — antes/después real ── */
.cambio__inner{display:grid;justify-items:center;text-align:center;
  gap:clamp(2.4rem,6vw,4rem);max-width:64rem;margin-inline:auto}
.cambio__head{display:grid;justify-items:center;gap:1.1rem;max-width:34ch}
.cambio__title{font-family:var(--font-display);font-weight:330;
  font-size:clamp(2.3rem,1.4rem + 4.4vw,5rem);line-height:1.04;letter-spacing:-.03em}
.cambio__title em{font-style:italic;font-weight:320}
.cambio__lead{font-size:var(--step-1);line-height:1.55;color:var(--fg-soft);max-width:44ch}
.cambio__points{display:grid;gap:1.4rem;text-align:left;width:100%;max-width:40rem}
.cambio__points li{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:baseline;
  padding-block:1.2rem;border-top:1px solid var(--hair)}
.cambio__points li:last-child{border-bottom:1px solid var(--hair)}
.cambio__points-n{font:500 var(--step--1)/1 var(--font-mono);color:var(--accent-2);letter-spacing:.06em}
.cambio__points p{font-family:var(--font-display);font-weight:350;font-size:var(--step-2);
  line-height:1.28;letter-spacing:-.015em;color:var(--fg)}
.cambio__cta{margin-top:.5rem}

/* comparador con fotografía real (retrato 3:4) */
.ba--photo{justify-items:center}
.ba__stage--portrait{aspect-ratio:3/4;max-width:30rem;width:100%;margin-inline:auto}
.ba--photo .ba__note{max-width:46ch;text-align:center;margin-top:1.1rem;text-transform:none;
  letter-spacing:.01em;line-height:1.7}

/* — §07 antiguo (dos retratos) — se conserva por si se reutiliza — */
.beforeafter{display:grid;grid-template-columns:1fr 1fr;gap:clamp(.5rem,1.6vw,1rem);
  margin-top:clamp(3rem,7vw,5.5rem)}
.beforeafter__panel{position:relative;aspect-ratio:4/5;overflow:hidden;margin:0;
  background:var(--bone);border:1px solid var(--hair-2)}
.beforeafter__panel img{width:100%;height:100%;object-fit:cover}
.beforeafter__panel--before img{filter:grayscale(.35) brightness(.86) contrast(1.05)}
.beforeafter__panel figcaption{position:absolute;left:0;right:0;bottom:0;
  display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;
  padding:clamp(1rem,3vw,1.6rem);color:#F4F1E9;
  background:linear-gradient(transparent,rgba(17,18,9,.72));
  font-family:var(--font-display);font-weight:340;font-size:var(--step-0);letter-spacing:-.01em}
.beforeafter__tag{font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;
  padding:.35rem .7rem;border:1px solid rgba(244,241,233,.5)}
.beforeafter__panel--after .beforeafter__tag{background:var(--gold-soft);color:var(--char-deep);border-color:transparent}
.beforeafter__note{grid-column:1/-1;margin-top:.4rem;
  font:500 var(--step--2)/1.6 var(--font-mono);letter-spacing:.03em;text-transform:uppercase;
  color:var(--fg-faint);max-width:60ch}
@media (max-width:560px){
  .beforeafter{grid-template-columns:1fr}
  .beforeafter__panel{aspect-ratio:16/11}
}

/* — §09 · tira del recorrido del paciente — */
.journey{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(.6rem,1.6vw,1.2rem);
  margin:clamp(2.6rem,6vw,4.5rem) 0}
.journey figure{position:relative;aspect-ratio:4/5;overflow:hidden;margin:0;
  background:var(--bone);border:1px solid var(--hair-2)}
.journey img{width:100%;height:100%;object-fit:cover}
.journey figcaption{position:absolute;left:.7rem;bottom:.6rem;
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;
  color:#F4F1E9;mix-blend-mode:difference}
@media (max-width:620px){
  .journey{grid-template-columns:1fr 1fr}
  .journey figure:last-child{grid-column:1/-1;aspect-ratio:16/10}
}

/* — §11 · banda de imagen antes del CTA final — */
.finale-band{position:relative;margin:0;aspect-ratio:21/9;max-height:72vh;overflow:hidden;background:var(--bone)}
.finale-band img{width:100%;height:100%;object-fit:cover;object-position:center 28%}
.finale-band figcaption{position:absolute;left:0;right:0;bottom:0;
  padding:clamp(1.6rem,5vw,3.4rem);max-width:34ch;color:#F4F1E9;
  background:linear-gradient(transparent,rgba(17,18,9,.78));
  font-family:var(--font-display);font-style:italic;font-weight:340;font-size:var(--step-2);
  line-height:1.28;letter-spacing:-.015em}
@media (max-width:560px){ .finale-band{aspect-ratio:4/5} }

/* — §10 · rostro en los testimonios — */
.quotes__item footer{align-items:center;gap:1rem}
.quotes__item footer > span{display:flex;flex-direction:column;gap:.45rem}
.quotes__face{width:3rem;height:3.7rem;flex:none;object-fit:cover;background:var(--bone);
  border:1px solid var(--hair-2)}
@media (min-width:800px){ .quotes__face{width:3.6rem;height:4.4rem} }

/* — §12 · foto del lugar sobre el contacto — */
.contact__place{position:relative;margin:0 0 clamp(2.5rem,6vw,4rem);
  aspect-ratio:21/9;max-height:56vh;overflow:hidden;background:var(--bone);
  border:1px solid var(--hair-2)}
.contact__place img{width:100%;height:100%;object-fit:cover}
.contact__place figcaption{position:absolute;left:0;right:0;bottom:0;
  padding:clamp(1rem,3vw,1.8rem);color:#F4F1E9;
  background:linear-gradient(transparent,rgba(17,18,9,.7));
  font:500 var(--step--2)/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase}
@media (max-width:560px){ .contact__place{aspect-ratio:16/11} }

/* ---------- Bloque "Áreas de tratamiento" dentro de #tratamientos (home) ---------- */
.treat__panel .link{margin-top:1.3rem}
.treat__areas{margin-top:clamp(3.5rem,9vw,7rem);padding-top:clamp(3rem,7vw,5rem);border-top:1px solid var(--hair)}
.treat__areas-head{display:grid;gap:1rem;max-width:36ch;margin-bottom:clamp(2rem,5vw,3.2rem)}
.treat__areas-head h3{font-family:var(--font-display);font-weight:380;font-size:var(--step-3);letter-spacing:-.02em}
.treat__areas-grid{display:grid;gap:clamp(1.2rem,2.6vw,1.8rem);margin-bottom:clamp(2.2rem,5vw,3.2rem)}
@media (min-width:640px){.treat__areas-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1080px){.treat__areas-grid{grid-template-columns:repeat(3,1fr)}}


/* ══════════════════════════════════════════════════════════════════════════
   BARRA DE DEMOSTRACIÓN · Nansa Studio
   Añadida al publicar la demo en demo-vertex.nansastudio.es.
   La barra fija se "pliega" dentro de --header-h para que todos los cálculos
   calc(var(--header-h) + …) del sitio la tengan en cuenta; la altura visible
   de la cabecera se mantiene restando --nsd-bar.
   ══════════════════════════════════════════════════════════════════════════ */
:root{ --nsd-bar:32px }
@media (max-width:560px){ :root{ --nsd-bar:46px } }
:root{ --header-h:calc(80px + var(--nsd-bar)) }
@media (min-width:900px){ :root{ --header-h:calc(92px + var(--nsd-bar)) } }

.site-header{ top:var(--nsd-bar) }
.site-header__bar{ height:calc(var(--header-h) - var(--nsd-bar)) }

.nsd-demo-bar{
  position:fixed; inset:0 0 auto; height:var(--nsd-bar); z-index:2147483647;
  display:flex; align-items:center; justify-content:center; flex-wrap:wrap;
  column-gap:.7em; padding:0 14px;
  background:#0f2a30; color:#F3EFE6;
  font:500 12px/1.25 var(--font-mono, ui-monospace, monospace);
  letter-spacing:.02em; text-align:center;
  border-bottom:1px solid rgba(243,239,230,.18);
}
.nsd-demo-bar strong{ font-weight:600; color:var(--gold-soft, #C0A277) }
.nsd-demo-bar a{ color:#F3EFE6; text-decoration:underline; text-underline-offset:2px; white-space:nowrap }
.nsd-demo-bar a:hover{ opacity:.75 }

@media (max-width:960px){
  .nav__panel{ top:var(--nsd-bar); inset-block-start:var(--nsd-bar) }
}