/* =====================================================================
   i'Witown · LANDING COLEGIOS — design system
   Dirección: vibrante / cálida · animaciones marcadas pero elegantes.
   Tokens oficiales del MANUAL DE MARCA + acentos de las 4 sub-plataformas.
   Mobile-first · honra prefers-reduced-motion.
   ===================================================================== */

/* ---------------------------------------------------------------- TOKENS */
:root{
  /* paleta oficial */
  --brand:#541B3B;          /* primario (burgundy/plum) */
  --brand-deep:#2e0e20;
  --brand-mid:#7a2a55;
  --brand-soft:#f6eef2;
  --beige:#EEECE6;
  --gray:#878787;

  /* acentos por sub-plataforma (portal oficial) */
  --c-iwitown:#7c3eb9;      /* estudiantes — morado */
  --c-witeacher:#2f7be2;    /* docentes — azul */
  --c-witutor:#e34a26;      /* familias — naranja */
  --c-admon:#2d8a4a;        /* administración — verde */

  /* neutros de interfaz */
  --ink:#1a0f17;
  --ink-soft:#5b4f56;
  --line:rgba(84,27,59,.12);
  --bg:#fffdfb;
  --card:#ffffff;

  /* tipografía */
  --font-sans:'Helvetica Neue',Helvetica,Arial,sans-serif;
  --font-display:'Poppins',var(--font-sans);
  --font-script:'Dancing Script',cursive;

  /* sistema */
  --nav-h:74px;
  --radius:20px;
  --radius-sm:14px;
  --shadow-sm:0 6px 18px rgba(84,27,59,.07);
  --shadow-md:0 18px 40px rgba(46,14,32,.12);
  --shadow-lg:0 36px 80px rgba(46,14,32,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --maxw:1200px;
}

/* ---------------------------------------------------------------- RESET */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;font-family:var(--font-sans);color:var(--ink);background:var(--bg);
  line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--c-iwitown);outline-offset:2px;border-radius:6px}

/* ---------------------------------------------------------------- LAYOUT */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(20px,5vw,40px)}
.container--narrow{max-width:820px}
.section{position:relative;padding-block:clamp(72px,10vw,128px)}
.section--soft{background:var(--brand-soft)}

/* --------------------------------------------- FONDO FLOTANTE (ambient) */
/* Orbes fijos que derivan siempre (translate) y, al cambiar de sección,
   se reposicionan y recolorean (transform + background, con transición).
   Visibles en las secciones claras; las oscuras los cubren. */
.ambient{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.ambient__orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.11;
  background:var(--brand-mid);
  transform:translate(var(--ox,0),var(--oy,0)) scale(var(--os,1));
  transition:transform 3.6s var(--ease),background-color 3.6s ease,opacity 3.6s ease;
  animation:drift 26s ease-in-out infinite}
.ambient__orb--1{width:46vw;height:46vw;left:-6%;top:4%}
.ambient__orb--2{width:38vw;height:38vw;left:56%;top:0%;animation-delay:-9s}
.ambient__orb--3{width:40vw;height:40vw;left:26%;top:52%;animation-delay:-16s}

/* ------------------------------------------------------------- TIPOGRAFÍA */
.eyebrow,.section__tag{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-display);font-weight:600;font-size:.8rem;
  letter-spacing:.05em;text-transform:uppercase;color:var(--brand);
}
.eyebrow{background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;box-shadow:var(--shadow-sm)}
.eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:var(--c-admon);
  box-shadow:0 0 0 0 rgba(45,138,74,.5);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(45,138,74,0)}100%{box-shadow:0 0 0 0 rgba(45,138,74,0)}}
.section__tag{color:var(--brand-mid)}
.section__tag--light{color:rgba(255,255,255,.85)}

.display{font-family:var(--font-display);font-weight:800;letter-spacing:-.025em;
  line-height:1.07;font-size:clamp(1.95rem,4vw,3.15rem);margin:0}
.h2{font-family:var(--font-display);font-weight:800;letter-spacing:-.022em;
  line-height:1.1;font-size:clamp(1.7rem,3.4vw,2.7rem);margin:14px 0 0;color:var(--ink)}
.h2 em{font-style:normal;color:var(--brand);white-space:nowrap}
.h2--light{color:#fff}
.h2--light em{color:#fff}

.section__head{max-width:760px;margin-bottom:clamp(40px,5vw,64px)}
.section__head--center{margin-inline:auto;text-align:center}
.section__sub{font-size:clamp(1.02rem,1.6vw,1.18rem);color:var(--ink-soft);margin:16px 0 0}
.section__sub--light{color:rgba(255,255,255,.82)}

/* highlight con subrayado dibujado */
.hl{position:relative;color:var(--brand);white-space:nowrap}
.hl::after{content:"";position:absolute;left:0;right:0;bottom:-.06em;height:.34em;
  background:var(--c-witutor);border-radius:6px;opacity:.85;z-index:-1;
  transform:scaleX(1);transform-origin:left;transition:transform .9s var(--ease) .4s}
.js .hl::after{transform:scaleX(0)}
.js .hl.is-drawn::after{transform:scaleX(1)}

/* ---------------------------------------------------------------- BOTONES */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;
  font-family:var(--font-display);font-weight:600;font-size:.97rem;border:none;
  border-radius:999px;padding:14px 26px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s}
.btn i,.btn svg{width:18px;height:18px}
.btn--primary{position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-mid) 60%,var(--c-iwitown) 135%);
  box-shadow:0 10px 26px rgba(84,27,59,.30)}
.btn--primary::before{content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);
  transform:translateX(-120%);transition:transform .7s var(--ease)}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(84,27,59,.42)}
.btn--primary:hover::before{transform:translateX(120%)}
.btn--ghost{background:var(--card);color:var(--brand);border:1.5px solid var(--line);box-shadow:var(--shadow-sm)}
.btn--ghost:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:0 12px 26px rgba(84,27,59,.16)}
.btn--block{width:100%}
.btn--lg{padding:16px 30px;font-size:1.02rem}

/* ------------------------------------------------- ANIMACIONES DE ENTRADA */
/* Estados ocultos solo si hay JS (clase .js en <html>): sin JS todo se ve. */
.fade-up,.fade-left,.fade-right,.fade-scale,.fade-zoom{
  transition:opacity .75s var(--ease),transform .75s var(--ease);transition-delay:var(--d,0s)}
.js .fade-up{opacity:0;transform:translateY(28px)}
.js .fade-left{opacity:0;transform:translateX(-34px)}
.js .fade-right{opacity:0;transform:translateX(34px)}
.js .fade-scale{opacity:0;transform:scale(.92)}
.js .fade-zoom{opacity:0;transform:scale(1.06)}
.js .fade-up.is-in,.js .fade-left.is-in,.js .fade-right.is-in,
.js .fade-scale.is-in,.js .fade-zoom.is-in{opacity:1;transform:none}
/* íconos que entran con un pequeño "pop" cuando su tarjeta es visible */
.js .is-in .card__icon,.js .is-in .pillar__icon,.js .is-in .acp-card__icon,
.js .is-in .step__icon,.js .is-in .extra__icon{animation:pop .6s var(--ease) .15s backwards}
@keyframes pop{0%{transform:scale(.4);opacity:0}60%{transform:scale(1.12)}100%{transform:scale(1);opacity:1}}

/* reveal de titulares palabra por palabra (JS envuelve en .word>span) */
.word{display:inline-block;overflow:hidden;vertical-align:top}
.word>span{display:inline-block;transform:translateY(115%);transition:transform .8s var(--ease);
  transition-delay:var(--wd,0s)}
.reveal-words.is-in .word>span{transform:translateY(0)}
.js .reveal-words .hl{opacity:0;transition:opacity .6s var(--ease) .45s}
.js .reveal-words.is-in .hl{opacity:1}

@keyframes drift{0%,100%{translate:0 0}33%{translate:3% -3%}66%{translate:-2% 2%}}
@keyframes floaty{0%,100%{translate:0 0}50%{translate:0 -14px}}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------------------------------------------------------------- NAV */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:60;display:flex;align-items:center;
  background:rgba(255,253,251,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s,background .3s}
.nav.is-scrolled{border-color:var(--line);box-shadow:0 6px 24px rgba(84,27,59,.06)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.nav__logo{display:flex;align-items:center;gap:1px;font-family:var(--font-display);
  font-weight:800;font-size:1.42rem;letter-spacing:-.02em;color:var(--brand)}
.nav__logo-mark{color:var(--c-iwitown)}
.nav__logo--light{color:#fff}.nav__logo--light .nav__logo-mark{color:#fff}
.nav__links{display:flex;gap:28px;font-family:var(--font-display);font-weight:500;font-size:.95rem}
.nav__links a{color:var(--ink-soft);position:relative;padding:4px 0;transition:color .25s}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;transition:right .3s var(--ease)}
.nav__links a:hover{color:var(--brand)}
.nav__links a:hover::after{right:0}
.nav__cta{padding:11px 22px}
.nav__toggle{display:none;background:none;border:none;color:var(--brand);width:44px;height:44px;
  align-items:center;justify-content:center;border-radius:12px}
.nav__toggle i,.nav__toggle svg{width:26px;height:26px}

/* ---------------------------------------------------------------- HERO */
.hero{position:relative;min-height:86vh;display:flex;flex-direction:column;justify-content:center;
  padding-top:calc(var(--nav-h) + 18px);padding-bottom:40px;isolation:isolate;overflow:hidden}
.hero__bg{position:absolute;inset:-12%;z-index:-2;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(64px);opacity:.5;animation:drift 20s ease-in-out infinite}
.blob--1{width:46vw;height:46vw;left:-8vw;top:-6vw;
  background:radial-gradient(circle at 30% 30%,var(--c-iwitown),transparent 70%);
  transform:translate(calc(var(--mx,0)*22px),calc(var(--my,0)*22px))}
.blob--2{width:40vw;height:40vw;right:-6vw;top:2vw;animation-delay:-5s;
  background:radial-gradient(circle at 60% 40%,var(--brand-mid),transparent 70%);
  transform:translate(calc(var(--mx,0)*-26px),calc(var(--my,0)*18px))}
.blob--3{width:34vw;height:34vw;right:10vw;bottom:-14vw;animation-delay:-10s;opacity:.34;
  background:radial-gradient(circle at 50% 50%,var(--c-witutor),transparent 70%);
  transform:translate(calc(var(--mx,0)*18px),calc(var(--my,0)*-20px))}

.hero__welcome{text-align:center;margin-bottom:clamp(18px,3.5vw,34px)}
.hero__welcome .welcome__pre{font-family:var(--font-display);font-weight:500;color:var(--ink-soft);
  font-size:clamp(.92rem,1.4vw,1.05rem);margin:0}
.hero__welcome .welcome__script{font-family:var(--font-script);font-weight:700;color:var(--brand-mid);
  font-size:clamp(1.4rem,3vw,2.1rem);margin:6px 0 0;display:inline-block}

.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center;width:100%}
h1.display{margin-top:20px}
.hero .lead{font-size:1.13rem;color:var(--ink-soft);max-width:31em;margin:22px 0 0}
.hero .lead strong{color:var(--brand);font-weight:700}
.hero__ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__note{display:flex;align-items:center;gap:9px;margin-top:26px;
  font-family:var(--font-display);font-weight:500;font-size:.92rem;color:var(--ink-soft)}
.hero__note i,.hero__note svg{width:18px;height:18px;color:var(--c-witutor)}

/* visual del hero */
.hero__visual{position:relative;perspective:1200px}
.hero__photo{position:relative;border-radius:26px;overflow:hidden;border:5px solid #fff;
  box-shadow:var(--shadow-lg);transform-style:preserve-3d;
  transform:rotateX(var(--ry,0)) rotateY(var(--rx,0));transition:transform .3s var(--ease)}
.hero__photo img{width:100%;height:clamp(340px,46vw,520px);object-fit:cover;object-position:center 28%}
.hero__photo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(46,14,32,.4))}
.hero__ring{position:absolute;inset:-6px;border-radius:32px;z-index:-1;filter:blur(2px);opacity:.9;
  background:conic-gradient(from 0deg,var(--c-iwitown),var(--c-witeacher),var(--c-admon),var(--c-witutor),var(--c-iwitown));
  animation:spin 16s linear infinite}
.float-mock{position:absolute;right:-24px;bottom:-28px;width:60%;max-width:330px;border-radius:16px;
  overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md);
  transform:translateZ(60px);animation:floaty 6s ease-in-out infinite}
.float-chip{position:absolute;left:-20px;top:30px;z-index:3;display:flex;align-items:center;gap:11px;
  background:#fff;border-radius:16px;padding:13px 17px;box-shadow:var(--shadow-md);
  transform:translateZ(90px);animation:floaty 6s ease-in-out infinite .8s}
.float-chip .ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:rgba(124,62,185,.12);color:var(--c-iwitown)}
.float-chip .ic i,.float-chip .ic svg{width:22px;height:22px}
.float-chip b{font-family:var(--font-display);font-weight:700;font-size:1.02rem;display:block;line-height:1.1}
.float-chip span{font-size:.78rem;color:var(--ink-soft)}
.orb{position:absolute;border-radius:50%;z-index:2;box-shadow:var(--shadow-md);animation:floaty 5s ease-in-out infinite}
.orb--1{width:26px;height:26px;background:var(--c-witeacher);right:18%;top:-14px}
.orb--2{width:18px;height:18px;background:var(--c-admon);left:-28px;bottom:38%;animation-delay:1.1s}
.orb--3{width:32px;height:32px;background:var(--c-witutor);right:-10px;top:46%;animation-delay:.6s}

.hero__trust{margin-top:clamp(40px,5vw,60px);display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.hero__trust .label{font-family:var(--font-display);font-weight:600;font-size:.76rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-soft);opacity:.7}
.pill-row{display:flex;gap:10px;flex-wrap:wrap}
.pill{font-family:var(--font-display);font-weight:600;font-size:.84rem;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:7px 15px}

/* ------------------------------------------------------ CARDS (contexto) */
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
/* glow que sigue el cursor */
.card::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .35s;pointer-events:none;
  background:radial-gradient(360px circle at var(--gx,50%) var(--gy,0%),rgba(124,62,185,.10),transparent 60%)}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:transparent}
.card:hover::before{opacity:1}
.card__icon{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,var(--brand-soft),#fff);color:var(--brand);
  box-shadow:var(--shadow-sm);transition:transform .35s var(--ease)}
.card:hover .card__icon{transform:scale(1.08) rotate(-4deg)}
.card__icon i,.card__icon svg{width:26px;height:26px}
.card h3{font-family:var(--font-display);font-weight:700;font-size:1.2rem;margin:0 0 8px}
.card p{margin:0;color:var(--ink-soft);font-size:.98rem}

/* -------------------------------------------------- SECCIÓN MARCA (oscura) */
.section--brand{background:linear-gradient(165deg,var(--brand-deep),var(--brand) 92%);color:#fff;
  overflow:hidden;isolation:isolate}
.section--brand::before{content:"";position:absolute;width:50vw;height:50vw;border-radius:50%;
  top:-20vw;right:-10vw;z-index:-1;opacity:.4;filter:blur(70px);
  background:radial-gradient(circle,var(--c-iwitown),transparent 70%)}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.pillar{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:34px 30px;backdrop-filter:blur(6px);transition:transform .35s var(--ease),background .35s}
.pillar:hover{transform:translateY(-8px);background:rgba(255,255,255,.1)}
.pillar__icon{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(255,255,255,.12);color:#fff;transition:transform .35s var(--ease)}
.pillar:hover .pillar__icon{transform:scale(1.1) rotate(4deg)}
.pillar__icon i,.pillar__icon svg{width:28px;height:28px}
.pillar h3{font-family:var(--font-display);font-weight:700;font-size:1.22rem;margin:0 0 8px}
.pillar p{margin:0;color:rgba(255,255,255,.8);font-size:.98rem}

/* ---------------------------------------------------------------- A.C.P. */
.acp-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.acp-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 30px 30px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.acp-card::after{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;border-radius:5px;
  background:linear-gradient(var(--c-iwitown),var(--c-witutor));transform:scaleY(0);transform-origin:top;
  transition:transform .5s var(--ease)}
.acp-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.acp-card:hover::after{transform:scaleY(1)}
.acp-card__num{font-family:var(--font-display);font-weight:800;font-size:2.6rem;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--brand-mid);opacity:.35;display:block}
.acp-card__icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin:14px 0 16px;
  background:linear-gradient(135deg,var(--brand-soft),#fff);color:var(--brand);box-shadow:var(--shadow-sm)}
.acp-card__icon i,.acp-card__icon svg{width:26px;height:26px}
.acp-card h3{font-family:var(--font-display);font-weight:700;font-size:1.22rem;margin:0 0 8px}
.acp-card p{margin:0;color:var(--ink-soft);font-size:.96rem}

.pullquote{position:relative;margin:clamp(40px,5vw,60px) auto 0;max-width:860px;text-align:center;
  background:linear-gradient(135deg,var(--brand-soft),#fff);border:1px solid var(--line);
  border-radius:var(--radius);padding:clamp(32px,5vw,52px)}
.pullquote i,.pullquote svg{width:40px;height:40px;color:var(--c-witutor);margin:0 auto 14px}
.pullquote p{font-family:var(--font-display);font-weight:600;font-size:clamp(1.2rem,2.4vw,1.7rem);
  line-height:1.35;color:var(--brand);margin:0}

/* ----------------------------------------------- ECOSISTEMA (bento oscuro) */
.section--dark{background:linear-gradient(165deg,#1c0913,var(--brand-deep) 90%);color:#fff;overflow:hidden}
.ecosystem__intro{max-width:760px;color:rgba(255,255,255,.78);font-size:1.06rem;margin:0 0 36px}
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.platform{position:relative;border-radius:var(--radius);overflow:hidden;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  padding:26px;display:flex;flex-direction:column;
  transition:transform .4s var(--ease),background .4s,border-color .4s}
.platform:hover{transform:translateY(-8px);background:rgba(255,255,255,.09);border-color:var(--accent)}
.platform[data-accent="iwitown"]{--accent:var(--c-iwitown)}
.platform[data-accent="witeacher"]{--accent:var(--c-witeacher)}
.platform[data-accent="witutor"]{--accent:var(--c-witutor)}
.platform[data-accent="admon"]{--accent:var(--c-admon)}
.platform--lead{grid-column:span 4;grid-row:span 2;flex-direction:row;align-items:center;gap:30px}
.platform--tall{grid-column:span 2;grid-row:span 2}
.platform--half{grid-column:span 3}
.platform__chip{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  font-family:var(--font-display);font-weight:600;font-size:.8rem;color:#fff;
  background:var(--accent);border-radius:999px;padding:6px 13px;margin-bottom:14px}
.platform__dot{width:7px;height:7px;border-radius:50%;background:#fff;opacity:.9}
.platform h3{font-family:var(--font-display);font-weight:700;font-size:1.4rem;margin:0 0 8px}
.platform--lead h3{font-size:1.9rem}
.platform p{margin:0;color:rgba(255,255,255,.78);font-size:.96rem}
.platform__shot{margin:18px 0 0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid rgba(255,255,255,.1);background:#fff}
.platform__shot img{width:100%;display:block;transition:transform .5s var(--ease)}
.platform:hover .platform__shot img{transform:scale(1.05)}
.platform--lead .platform__body{flex:1;min-width:0}
.platform--lead .platform__shot{flex:1.1;margin:0;min-width:0}
.platform__list{margin-top:16px;display:grid;gap:9px}
.platform__list li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:rgba(255,255,255,.82)}
.platform__list i,.platform__list svg{width:18px;height:18px;color:var(--accent);flex-shrink:0;margin-top:2px}

.ecosystem__extras{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}
.extra{background:rgba(255,255,255,.05);border:1px dashed rgba(255,255,255,.22);border-radius:var(--radius);
  padding:26px;display:flex;gap:18px;align-items:flex-start;transition:background .35s,transform .35s var(--ease)}
.extra:hover{background:rgba(255,255,255,.09);transform:translateY(-5px)}
.extra__icon{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(255,255,255,.12);color:#fff}
.extra__icon i,.extra__icon svg{width:24px;height:24px}
.extra h4{font-family:var(--font-display);font-weight:700;font-size:1.12rem;margin:0 0 6px}
.extra p{margin:0;color:rgba(255,255,255,.76);font-size:.93rem}

/* ---------------------------------------------------------------- IMPACTO */
.impact__list{display:grid;gap:18px;margin-top:8px}
.impact__item{display:flex;gap:24px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.impact__item:hover{transform:translateX(8px);box-shadow:var(--shadow-md)}
.impact__num{font-family:var(--font-display);font-weight:800;font-size:2.4rem;line-height:1;flex-shrink:0;
  color:transparent;-webkit-text-stroke:1.5px var(--c-iwitown);opacity:.5;min-width:1.6em}
.impact__item h3{font-family:var(--font-display);font-weight:700;font-size:1.22rem;margin:0 0 6px}
.impact__item p{margin:0;color:var(--ink-soft);font-size:.98rem}

/* ----------------------------------------------------------- IMPLEMENTACIÓN */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.step:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.step__num{position:absolute;top:18px;right:20px;font-family:var(--font-display);font-weight:800;font-size:1.5rem;
  color:transparent;-webkit-text-stroke:1.3px var(--brand-mid);opacity:.4}
.step__icon{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,var(--brand-soft),#fff);color:var(--brand);box-shadow:var(--shadow-sm)}
.step__icon i,.step__icon svg{width:26px;height:26px}
.step h3{font-family:var(--font-display);font-weight:700;font-size:1.15rem;margin:0 0 8px}
.step p{margin:0;color:var(--ink-soft);font-size:.95rem}

/* ---------------------------------------------------------------- FAQ */
.faq{display:grid;gap:14px}
.faq__item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:4px 26px;box-shadow:var(--shadow-sm);transition:border-color .3s,box-shadow .3s}
.faq__item[open]{border-color:var(--brand-mid);box-shadow:var(--shadow-md)}
.faq__item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;
  list-style:none;padding:20px 0;font-family:var(--font-display);font-weight:600;font-size:1.05rem;color:var(--ink)}
.faq__item summary::-webkit-details-marker{display:none}
.faq__plus{width:24px;height:24px;flex-shrink:0;color:var(--brand);transition:transform .35s var(--ease)}
.faq__item[open] .faq__plus{transform:rotate(135deg)}
.faq__item p{margin:0 0 20px;color:var(--ink-soft);font-size:.98rem;animation:faqIn .4s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ------------------------------------------------------- CTA / FORMULARIO */
.section--cta{background:linear-gradient(155deg,var(--brand),var(--brand-deep));color:#fff;overflow:hidden;isolation:isolate}
.section--cta::before{content:"";position:absolute;width:46vw;height:46vw;border-radius:50%;left:-12vw;bottom:-18vw;
  z-index:-1;opacity:.45;filter:blur(70px);background:radial-gradient(circle,var(--c-witutor),transparent 70%)}
.cta{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,64px);align-items:start}
.cta__bullets{margin-top:26px;display:grid;gap:13px}
.cta__bullets li{display:flex;align-items:center;gap:11px;font-size:1.02rem;color:rgba(255,255,255,.9)}
.cta__bullets i,.cta__bullets svg{width:22px;height:22px;color:#fff;flex-shrink:0}
.form{background:var(--card);border-radius:var(--radius);padding:clamp(26px,3vw,38px);box-shadow:var(--shadow-lg);color:var(--ink)}
.form__row{margin-bottom:16px}
.form__row--split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-family:var(--font-display);font-weight:600;font-size:.88rem;margin-bottom:7px;color:var(--ink)}
.form input,.form select,.form textarea{width:100%;font:inherit;color:var(--ink);background:#fff;
  border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;transition:border-color .25s,box-shadow .25s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--c-iwitown);
  box-shadow:0 0 0 4px rgba(124,62,185,.14)}
.form textarea{resize:vertical}
.form__optional{color:var(--gray);font-weight:500}
.form__check{display:flex;align-items:flex-start;gap:10px;font-family:var(--font-sans);font-weight:400;
  font-size:.9rem;color:var(--ink-soft);margin:4px 0 18px;cursor:pointer}
.form__check input{width:auto;margin-top:3px}
.form__direct{margin:16px 0 0;font-size:.9rem;color:var(--ink-soft);text-align:center}
.form__direct a{color:var(--brand);font-weight:600}
.form__status{margin-top:14px;font-size:.92rem;text-align:center;min-height:1.2em}
.form__status.is-success{color:var(--c-admon);font-weight:600}
.form__status.is-error{color:var(--c-witutor);font-weight:600}

/* ---------------------------------------------------------------- FOOTER */
.footer{background:#160810;color:rgba(255,255,255,.7);padding-block:clamp(48px,6vw,72px) 28px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1.3fr 1fr;gap:36px}
.footer__tag{margin:14px 0 0;font-size:.92rem;max-width:34ch}
.footer__col h4{font-family:var(--font-display);font-weight:700;color:#fff;font-size:1rem;margin:0 0 14px}
.footer__col ul{display:grid;gap:10px}
.footer__col a{font-size:.92rem;transition:color .25s}
.footer__col a:hover{color:#fff}
.footer__social a{display:inline-flex;align-items:center;gap:9px}
.footer__social i,.footer__social svg{width:18px;height:18px}
.footer__bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:.86rem}
.footer__by{display:flex;align-items:center;gap:8px}
.footer__by-logo{height:22px;width:auto}

/* ---------------------------------------------------------------- RESPONSIVE */
@media (max-width:980px){
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav__links{position:fixed;inset:var(--nav-h) 0 auto 0;flex-direction:column;gap:0;
    background:rgba(255,253,251,.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    padding:8px 24px 18px;transform:translateY(-130%);transition:transform .4s var(--ease);box-shadow:var(--shadow-md)}
  .nav__links.is-open{transform:translateY(0)}
  .nav__links a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav__cta{display:none}
  .nav__toggle{display:inline-flex}
  .hero__grid{grid-template-columns:1fr;gap:48px}
  .hero__visual{max-width:520px;margin-inline:auto;width:100%}
  .grid--2,.grid--3,.pillars,.steps,.acp-grid,.cta,.ecosystem__extras{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .platform--lead{grid-column:auto;grid-row:auto;flex-direction:column;align-items:stretch}
  .platform--tall,.platform--half{grid-column:auto;grid-row:auto}
}
@media (max-width:560px){
  .form__row--split{grid-template-columns:1fr}
  .float-mock{right:-6px;bottom:-18px;width:66%}
  .float-chip{left:-6px;padding:10px 13px}
  .impact__item{gap:14px;padding:22px}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}

/* ---------------------------------------------------- REDUCE MOTION */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .fade-up,.fade-left,.fade-right,.fade-scale,.fade-zoom{opacity:1!important;transform:none!important}
  .word>span{transform:none!important}
  .reveal-words .hl{opacity:1!important}
  .hl::after{transform:scaleX(1)!important}
}