/* =========================================================
   OKOI · sistema visual
   Negro y blanco puros, un único acento (señal), grotesca pesada,
   retícula de 12 columnas con líneas visibles, numeración mono.
   ========================================================= */

@font-face {
  font-family: "Archivo";
  src: url("../fonts/Archivo.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/JetBrainsMono.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --black: #0A0A0A;
  --white: #FFFFFF;
  --paper: #F1F1EF;
  --grey-on-white: #555555;   /* 7.4:1 sobre blanco */
  --grey-on-black: #9C9C9C;   /* 7.3:1 sobre negro */
  --rule-on-black: #2E2E2E;
  --accent: #FF4F00;          /* 6.4:1 sobre negro · solo gráficos o texto grande sobre blanco */

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --g: clamp(16px, 2.2vw, 32px);            /* medianil */
  --col-gap: clamp(12px, 1.6vw, 24px);
  --sec-pad: clamp(88px, 11vw, 176px);
  --header-h: 64px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--display);
  font-size: 17px;
  line-height: 1.5;
  font-kerning: normal;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
::selection { background: var(--accent); color: var(--black); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: var(--g); top: -80px; z-index: 200; padding: 10px 16px; background: var(--accent); color: var(--black); font: 500 13px var(--mono); }
.skip:focus { top: 12px; }

/* ---------- Tipos base ---------- */
.mono, .sec-num, .sec-label, .hero-meta, .svc-num, .svc-tags, .proj-idx, .chips, .cpt-num, .cpt-city, .step-num-label,
.pending, .form-badge, .field label, .contact-data dt, .footer, .menu-foot, .header-nav span, .menu-list span, .tbc {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.display-xl, .sec-title, .hero-title, .contact-title, .svc-name, .cpt-name, .proj-name, .menu-list a, .marquee {
  font-family: var(--display);
  font-weight: 850;
  font-stretch: 100%;
  text-transform: uppercase;
  letter-spacing: -.045em;
  line-height: .86;
}

/* ---------- Botones ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px;
  min-height: 56px; padding: 0 22px; overflow: hidden; isolation: isolate;
  font: 600 15px/1 var(--display); letter-spacing: -.005em; cursor: pointer; border: 0;
}
.btn i { font-style: normal; transition: transform .5s var(--ease); }
.btn:hover i { transform: translateX(4px); }
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--accent);
  transform: scaleY(0); transform-origin: bottom; transition: transform .5s var(--ease);
}
.btn:hover::before { transform: scaleY(1); }
.btn-solid { background: var(--black); color: var(--white); }
.btn-solid:hover { color: var(--black); }
.btn-line { background: transparent; color: currentColor; box-shadow: inset 0 0 0 1.5px currentColor; }
.btn-line:hover { color: var(--black); box-shadow: inset 0 0 0 1.5px var(--accent); }
.btn-accent { background: var(--accent); color: var(--black); }
.btn-accent::before { background: var(--white); }

/* ---------- Cursor (solo puntero fino) ---------- */
.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  .has-cursor .cursor {
    display: grid; place-items: center;
    position: fixed; left: 0; top: 0; z-index: 300; pointer-events: none;
    width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%;
    background: var(--white); mix-blend-mode: difference;
    transition: width .35s var(--ease), height .35s var(--ease), margin .35s var(--ease), background .25s;
  }
  .has-cursor .cursor.is-link { width: 44px; height: 44px; margin: -22px 0 0 -22px; }
  .has-cursor .cursor.is-label { width: 104px; height: 104px; margin: -52px 0 0 -52px; background: var(--accent); mix-blend-mode: normal; }
  .cursor-label { font: 500 11px/1.2 var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--black); text-align: center; opacity: 0; transition: opacity .2s; padding: 0 8px; }
  .cursor.is-label .cursor-label { opacity: 1; }
}

/* ---------- Cabecera ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); align-items: center;
  padding: 0 var(--g); color: var(--white); mix-blend-mode: difference;
}
.header-logo { grid-column: 1 / span 2; width: 84px; padding: 6px 0; }
.header-logo svg { width: 100%; height: auto; }
.header-nav { grid-column: 4 / span 7; }
.header-nav ul { display: flex; gap: clamp(16px, 2.4vw, 40px); }
.header-nav a { display: inline-flex; gap: 6px; padding: 8px 0; font: 500 14px/1 var(--display); letter-spacing: -.005em; position: relative; }
.header-nav a span { font-size: 10px; opacity: .6; transform: translateY(-3px); }
.header-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease); }
.header-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-cta { grid-column: 11 / span 2; justify-self: end; display: inline-flex; gap: 8px; padding: 10px 0; font: 600 14px/1 var(--display); border-bottom: 1.5px solid currentColor; }
.menu-toggle { display: none; }

/* ---------- Menú a pantalla completa (móvil) ---------- */
.menu {
  position: fixed; inset: 0; z-index: 90; background: var(--black); color: var(--white);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: calc(var(--header-h) + 24px) var(--g) 28px;
  clip-path: inset(0 0 100% 0); transition: clip-path .7s var(--ease);
}
.menu.is-open { clip-path: inset(0 0 0 0); }
.menu-list li { border-bottom: 1px solid var(--rule-on-black); overflow: hidden; }
.menu-list a {
  display: flex; align-items: baseline; gap: 14px; padding: 12px 0 10px;
  font-size: clamp(40px, 12.5vw, 76px);
  transform: translateY(105%); transition: transform .7s var(--ease);
  transition-delay: calc(var(--i, 0) * 50ms + 120ms);
}
.menu.is-open .menu-list a { transform: none; }
.menu-list a span { font-size: 11px; color: var(--accent); letter-spacing: .04em; transform: translateY(-1.1em); }
.menu-foot { color: var(--grey-on-black); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: grid; grid-template-rows: auto auto 1fr;
  padding: calc(var(--header-h) + 16px) var(--g) var(--g);
}
.hero-meta {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: var(--col-gap);
  border-top: 1px solid var(--black);
}
.hero-meta p { padding-top: 10px; }
.hero-meta .k { color: var(--grey-on-white); margin-right: 6px; }
.hero-logo { margin-top: clamp(20px, 3.4vw, 52px); color: var(--black); }
.hero-logo svg { width: 100%; height: auto; overflow: hidden; }
.hero-bottom {
  align-self: end;
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); row-gap: 28px;
  margin-top: clamp(24px, 3vw, 44px); padding-top: 18px; border-top: 2px solid var(--black);
}
.hero-title { grid-column: 1 / span 8; font-size: clamp(2.6rem, 6.9vw, 7.9rem); text-wrap: balance; }
.hero-side { grid-column: 9 / span 4; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
.hero-lead { font-size: clamp(16px, 1.15vw, 18px); line-height: 1.45; color: var(--grey-on-white); text-wrap: pretty; }
.hero-actions { display: grid; gap: 8px; }

/* Palabras partidas para animación */
.w { display: inline-block; overflow: hidden; vertical-align: top; padding: .16em 0 .06em; margin: -.16em 0 -.06em; }
.ln { display: block; overflow: hidden; padding: .16em 0 .06em; margin: -.16em 0 -.06em; }
.lni { display: block; }
.wi { display: inline-block; }

/* ---------- Marquesina ---------- */
.marquee { background: var(--black); color: var(--white); overflow: hidden; padding: clamp(16px, 2vw, 28px) 0; font-size: clamp(30px, 4.6vw, 72px); line-height: 1; letter-spacing: -.04em; }
.marquee-track { display: flex; width: max-content; }
.marquee-group { display: flex; align-items: center; flex: none; }
.marquee-group span { padding: 0 .38em; white-space: nowrap; }
.mq-k { width: .5em; height: .72em; color: var(--accent); flex: none; }
@media (prefers-reduced-motion: no-preference) {
  .no-gsap .marquee-track { animation: mq 40s linear infinite; }
}
@keyframes mq { to { transform: translateX(-50%); } }

/* ---------- Secciones ---------- */
.section { position: relative; padding: var(--sec-pad) var(--g); }
.section-white { background: var(--white); color: var(--black); }
.section-black { background: var(--black); color: var(--white); }

.sec-head {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); row-gap: 0;
  padding-top: 12px; border-top: 2px solid currentColor; margin-bottom: clamp(48px, 7vw, 112px);
}
.sec-num { grid-column: 1 / span 2; }
.sec-num::before { content: "("; } .sec-num::after { content: ")"; }
.sec-label { grid-column: 3 / span 6; }
.sec-title { grid-column: 1 / span 12; margin-top: clamp(28px, 4vw, 64px); font-size: clamp(3.4rem, 12.4vw, 13.5rem); letter-spacing: -.055em; line-height: .8; }
.sec-intro { grid-column: 8 / span 5; margin-top: clamp(20px, 2.4vw, 36px); max-width: 34em; font-size: clamp(16px, 1.2vw, 19px); text-wrap: pretty; }
.section-white .sec-intro { color: var(--grey-on-white); }
.section-black .sec-intro { color: var(--grey-on-black); }

/* ---------- 01 Servicios ---------- */
.svc-list { border-bottom: 1px solid var(--black); }
.svc {
  position: relative; isolation: isolate;
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); align-items: start;
  margin: 0 calc(-1 * var(--g)); padding: clamp(22px, 2.4vw, 36px) var(--g);
  border-top: 1px solid var(--black);
  transition: color .45s var(--ease);
}
.svc::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--black); transform: scaleY(0); transform-origin: bottom; transition: transform .55s var(--ease); }
.svc:hover { color: var(--white); }
.svc:hover::before { transform: scaleY(1); }
.svc-num { grid-column: 1 / span 1; padding-top: .5em; }
.svc-name { grid-column: 2 / span 5; font-size: clamp(28px, 3.5vw, 56px); letter-spacing: -.045em; transition: transform .55s var(--ease); }
.svc:hover .svc-name { transform: translateX(12px); }
.svc-desc { grid-column: 7 / span 4; font-size: 16px; color: var(--grey-on-white); transition: color .45s var(--ease); }
.svc:hover .svc-desc { color: var(--grey-on-black); }
.svc-tags { grid-column: 11 / span 2; text-align: right; padding-top: .3em; }
.svc-num::after { content: ""; display: inline-block; width: 8px; height: 8px; margin-left: 10px; background: var(--accent); transform: scale(0); transition: transform .4s var(--ease); }
.svc:hover .svc-num::after { transform: scale(1); }

/* ---------- 02/03 Índice editorial de trabajos ---------- */
.ix { border-bottom: 1px solid currentColor; }
.ix-row { position: relative; border-top: 1px solid currentColor; }
.ix-link {
  position: relative; isolation: isolate;
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); align-items: baseline;
  margin: 0 calc(-1 * var(--g)); padding: clamp(16px, 1.8vw, 26px) var(--g);
}
.ix-link::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--pb); transform: scaleY(0); transform-origin: bottom; transition: transform .6s var(--ease); }
.ix-num { grid-column: 1 / span 1; font: 500 12px/1 var(--mono); letter-spacing: .04em; }
.ix-name {
  grid-column: 2 / span 7; font: 850 clamp(34px, 6.2vw, 104px)/.86 var(--display); letter-spacing: -.055em; text-transform: uppercase;
  transition: transform .7s var(--ease), color .3s;
}
.ix-type { grid-column: 9 / span 2; font: 500 12px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .02em; }
.ix-meta { grid-column: 11 / span 2; font: 500 12px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .02em; text-align: right; padding-right: 36px; }
.ix-arrow { position: absolute; right: var(--g); top: 50%; translate: 0 -50%; font: 500 22px/1 var(--display); transition: transform .5s var(--ease); }
.section-white .ix-type, .section-white .ix-meta { color: var(--grey-on-white); }
.section-black .ix-type, .section-black .ix-meta { color: var(--grey-on-black); }
.ix-link:hover, .ix-link:focus-visible { color: var(--pi); }
.ix-link:hover::before, .ix-link:focus-visible::before { transform: scaleY(1); }
.ix-link:hover .ix-name { transform: translateX(clamp(12px, 2vw, 32px)); }
.ix-link:hover .ix-type, .ix-link:hover .ix-meta { color: var(--pi); }
.ix-link:hover .ix-arrow { transform: rotate(45deg); }
.ix-link:focus-visible { outline: none; }

/* Tarjeta de marca en móvil / táctil */
.ix-card { display: none; }
@media (max-width: 899px), (hover: none) {
  .ix-card {
    display: grid; place-items: center; position: relative; overflow: hidden;
    margin: 0 0 clamp(20px, 4vw, 32px); padding: 44px 9% 0; aspect-ratio: 4 / 3.3;
    background: var(--pb); color: var(--pi);
  }
  .ix-card .browser { width: 100%; align-self: end; border-radius: 10px 10px 0 0; }
  .ix-card-tag { position: absolute; left: 14px; top: 14px; font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; }
  .ix-arrow { top: 34px; translate: 0 0; }
}

/* Marco de navegador con scroll animado (home y fichas) */
.browser { width: 100%; background: #141414; border-radius: 10px; overflow: hidden; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .55), 0 0 0 1px rgba(255, 255, 255, .06); }
.browser-bar { display: flex; gap: 6px; align-items: center; height: 26px; padding: 0 12px; background: #1E1E1E; }
.browser-bar i { width: 8px; height: 8px; border-radius: 50%; background: #3C3C3C; }
.screen { position: relative; aspect-ratio: 16 / 10; overflow: hidden; container-type: size; background: #fff; }
.screen img { display: block; width: 100%; height: auto; will-change: transform; }
@media (prefers-reduced-motion: no-preference) {
  .is-playing .screen img, .ixp.is-on .screen img { animation: shot-scroll var(--dur, 22s) cubic-bezier(.45, 0, .55, 1) infinite alternate; }
}
@keyframes shot-scroll {
  0%, 6% { transform: translateY(0); }
  94%, 100% { transform: translateY(calc(-100% + 100cqh)); }
}

/* Previsualización flotante (escritorio) */
.ixp { display: none; }
@media (hover: hover) and (pointer: fine) and (min-width: 900px) {
  .has-cursor .ixp {
    display: block; position: fixed; left: 0; top: 0; z-index: 80; pointer-events: none;
    width: clamp(380px, 34vw, 540px); opacity: 0; transform: scale(.8);
  }
  .ixp-panel { position: relative; padding: 46px 30px 0; aspect-ratio: 5 / 3.9; overflow: hidden; background: var(--pb, #111); color: var(--pi, #fff); display: flex; align-items: flex-end; }
  .ixp .browser { border-radius: 10px 10px 0 0; }
  .ixp-tag { position: absolute; left: 14px; top: 14px; font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; }
  .ix:hover .ix-row { opacity: .3; transition: opacity .4s var(--ease); }
  .ix:hover .ix-row:hover { opacity: 1; }
}

/* ---------- 04 Proceso ---------- */
.statement {
  max-width: 19em; margin-bottom: var(--sec-pad);
  font: 700 clamp(30px, 5.1vw, 84px)/1 var(--display); letter-spacing: -.04em; text-wrap: balance;
}
.statement .sw { opacity: 1; }
.steps-wrap { position: relative; }
.steps-rail { height: 2px; background: var(--rule-on-black); }
.steps-rail span { display: block; height: 100%; background: var(--accent); transform-origin: left; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: var(--col-gap); }
.step { padding-top: 22px; }
.step-num {
  display: block; font: 850 clamp(64px, 8.6vw, 148px)/.8 var(--display); letter-spacing: -.06em;
  color: transparent; -webkit-text-stroke: 1.5px var(--white); transition: color .6s var(--ease);
}
.step.is-on .step-num, .no-gsap .step-num { color: var(--white); }
.step h3 { margin-top: 28px; font: 750 clamp(20px, 1.8vw, 28px)/1.05 var(--display); letter-spacing: -.03em; text-transform: uppercase; }
.step p { margin-top: 12px; max-width: 24em; color: var(--grey-on-black); font-size: 16px; }

/* ---------- 05 Contacto ---------- */
.contact { padding-bottom: clamp(64px, 8vw, 120px); }
.contact-head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); padding-top: 12px; border-top: 2px solid var(--white); }
.contact-head .sec-num { grid-column: 1 / span 2; }
.contact-head .sec-label { grid-column: 3 / span 6; }
.contact-title { grid-column: 1 / -1; margin-top: clamp(24px, 3vw, 48px); font-size: clamp(3.4rem, 17.6vw, 19rem); letter-spacing: -.065em; line-height: .8; margin-left: -.03em; white-space: nowrap; }
.contact-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); row-gap: 56px; margin-top: clamp(48px, 6vw, 96px); }
.contact-copy { grid-column: 1 / span 5; }
.contact-intro { max-width: 28em; font-size: clamp(17px, 1.4vw, 21px); line-height: 1.4; }
.contact-data { margin-top: 40px; border-top: 1px solid var(--rule-on-black); }
.contact-data div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--rule-on-black); }
.contact-data dt { color: var(--grey-on-black); }
.tbc { display: inline-block; padding: 4px 8px 3px; border: 1px dashed var(--accent); color: var(--accent); font-size: 11px; }

.form { grid-column: 7 / span 6; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--col-gap); row-gap: 28px; }
.form-badge { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; color: var(--grey-on-black); }
.form-badge i { width: 8px; height: 8px; background: var(--accent); }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field-full { grid-column: 1 / -1; }
.field label { color: var(--grey-on-black); }
.field .opt { text-transform: none; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 10px 0; background: transparent; color: var(--white);
  border: 0; border-bottom: 1.5px solid #4A4A4A; border-radius: 0;
  font: 500 19px/1.3 var(--display); letter-spacing: -.01em; transition: border-color .3s;
}
.field select { appearance: none; cursor: pointer; background: linear-gradient(45deg, transparent 50%, var(--white) 50%) right 6px center / 6px 6px no-repeat, linear-gradient(135deg, var(--white) 50%, transparent 50%) right 0 center / 6px 6px no-repeat; }
.field select option { background: var(--black); color: var(--white); }
.field textarea { resize: vertical; min-height: 120px; }
.field input:hover, .field select:hover, .field textarea:hover { border-bottom-color: var(--grey-on-black); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: none; border-bottom-color: var(--accent); }
.field [aria-invalid="true"] { border-bottom-color: var(--accent); }
.form-foot { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 4px; }
.form-foot .btn { min-width: 240px; }
.form-msg { color: var(--grey-on-black); font-size: 15px; max-width: 26em; }
.form-msg.is-error { color: var(--accent); }

/* ---------- Pie ---------- */
.footer { background: var(--black); color: var(--white); padding: 0 var(--g); overflow: hidden; }
.footer-top { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); row-gap: 32px; padding: 28px 0 0; border-top: 1px solid var(--rule-on-black); }
.footer-links { grid-column: 1 / span 4; display: grid; grid-template-columns: repeat(2, max-content); gap: 8px 40px; }
.footer-links a, .to-top { position: relative; }
.footer-links a:hover, .to-top:hover { color: var(--accent); }
.footer-legal { grid-column: 5 / span 4; display: grid; gap: 10px; color: var(--grey-on-black); }
.footer-meta { grid-column: 9 / span 4; display: grid; gap: 8px; justify-items: end; text-align: right; color: var(--grey-on-black); }
.to-top { color: var(--white); margin-top: 8px; }
.footer-logo { margin-top: clamp(40px, 6vw, 96px); aspect-ratio: 284.5 / 70; overflow: hidden; }
.footer-logo svg { width: 100%; height: auto; color: var(--white); }

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
  .step-num { color: var(--white); }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1100px) {
  .header-nav, .header-cta { display: none; }
  .menu-toggle {
    grid-column: 9 / span 4; justify-self: end; display: inline-flex; align-items: center; gap: 12px;
    min-height: 44px; padding: 0; background: none; border: 0; cursor: pointer;
    font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em;
  }
  .menu-toggle-icon { position: relative; width: 26px; height: 10px; }
  .menu-toggle-icon i { position: absolute; left: 0; width: 100%; height: 1.5px; background: currentColor; transition: transform .45s var(--ease), top .45s var(--ease); }
  .menu-toggle-icon i:first-child { top: 0; }
  .menu-toggle-icon i:last-child { top: 8.5px; }
  .menu-toggle[aria-expanded="true"] .menu-toggle-icon i:first-child { top: 4.25px; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-toggle-icon i:last-child { top: 4.25px; transform: rotate(-45deg); }

  .hero-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-title { grid-column: 1 / -1; }
  .hero-side { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); align-items: end; }
  .sec-intro { grid-column: 5 / span 8; }
  .svc-name { grid-column: 2 / span 11; }
  .svc-desc { grid-column: 2 / span 7; margin-top: 12px; }
  .svc-tags { grid-column: 9 / span 4; margin-top: 12px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 56px; }
  .steps-rail { display: none; }
  .step { border-top: 2px solid var(--rule-on-black); }
  .contact-copy, .form { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 8px); }
  .hero-meta { grid-template-columns: minmax(0, 1fr); }
  .hero-meta p:nth-child(n+3) { display: none; }
  .hero-meta p { padding-top: 8px; }
  .hero-meta p + p { padding-top: 2px; }
  .hero-logo { margin-top: 28px; }
  .hero-bottom { margin-top: 28px; }
  .hero-title { font-size: clamp(2.6rem, 13.4vw, 4.4rem); }
  .hero-side { grid-template-columns: minmax(0, 1fr); }
  .hero-actions .btn { width: 100%; }
  .sec-num { grid-column: 1 / span 3; }
  .sec-label { grid-column: 4 / -1; text-align: right; }
  .sec-title { font-size: clamp(3rem, 15.5vw, 6rem); }
  .sec-intro { grid-column: 1 / -1; }
  .svc-num { grid-column: 1 / -1; padding-top: 0; }
  .svc-name { grid-column: 1 / -1; margin-top: 14px; font-size: clamp(30px, 9.4vw, 44px); }
  .svc-desc, .svc-tags { grid-column: 1 / -1; text-align: left; }
  .steps { grid-template-columns: minmax(0, 1fr); row-gap: 48px; }
  .contact-head .sec-num { grid-column: 1 / span 3; }
  .contact-head .sec-label { grid-column: 4 / -1; text-align: right; }
  .contact-title { font-size: clamp(3.6rem, 22vw, 7rem); }
  .contact-data div { grid-template-columns: 96px minmax(0, 1fr); }
  .form { grid-template-columns: minmax(0, 1fr); }
  .form-foot .btn { width: 100%; }
  .footer-links, .footer-legal, .footer-meta { grid-column: 1 / -1; }
  .footer-meta { justify-items: start; text-align: left; }
}

/* ---------- Hero: anotación técnica ---------- */
.hero-note { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); margin-top: 10px; font: 500 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--grey-on-white); }
.hero-note p:nth-child(1) { grid-column: 1 / span 4; }
.hero-note p:nth-child(2) { grid-column: 5 / span 4; }
.hero-note p:nth-child(3) { grid-column: 9 / span 4; text-align: right; }
.hero::after {
  content: ""; position: absolute; inset: 0 var(--g); pointer-events: none; z-index: 0;
  background: repeating-linear-gradient(90deg, rgba(10,10,10,.06) 0 1px, transparent 1px calc((100% + var(--col-gap)) / 12));
}
.hero > * { position: relative; z-index: 1; }

/* ---------- HUD fijo (sección y progreso reales) ---------- */
.hud { display: none; }
@media (min-width: 1101px) {
  .hud {
    display: flex; justify-content: space-between; position: fixed; inset: auto var(--g) 14px var(--g); z-index: 95;
    color: var(--white); mix-blend-mode: difference; pointer-events: none;
    font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em;
  }
}

/* ---------- Intro ---------- */
.intro, .intro-logo { display: none; }
.intro-on .intro { display: block; position: fixed; inset: 0; z-index: 150; cursor: pointer; animation: intro-failsafe .01s 6s forwards; }
.intro-on .intro-logo {
  display: block; position: fixed; left: 0; top: 0; z-index: 160; pointer-events: none;
  color: var(--white); mix-blend-mode: difference; transform-origin: 0 0; visibility: hidden;
  animation: intro-failsafe .01s 6s forwards;
}
.intro-logo svg { width: 100%; height: auto; overflow: visible; }
.intro-curtain { position: absolute; inset: 0; background: var(--black); color: var(--white); }
.intro-cols { position: absolute; inset: 0 var(--g); display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); }
.intro-cols i { border-left: 1px solid #1C1C1C; border-right: 1px solid #1C1C1C; transform-origin: top; }
.intro-curtain p { position: absolute; font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; }
.intro-tl { left: var(--g); top: 22px; }
.intro-tr { right: var(--g); top: 22px; color: var(--grey-on-black); }
.intro-bl { left: var(--g); bottom: 22px; color: var(--grey-on-black); }
.intro-br { right: var(--g); bottom: 18px; font-size: clamp(40px, 6vw, 96px) !important; font-family: var(--display) !important; font-weight: 850; letter-spacing: -.05em !important; }
.intro-br::after { content: "%"; font-size: .35em; vertical-align: .9em; margin-left: .08em; color: var(--accent); }
@keyframes intro-failsafe { to { visibility: hidden; opacity: 0; pointer-events: none; } }

@media (max-width: 680px) {
  .hero-note p:nth-child(2) { display: none; }
  .hero-note p:nth-child(1) { grid-column: 1 / span 7; }
  .hero-note p:nth-child(3) { grid-column: 8 / span 5; }
  .intro-tr { display: none; }
}

/* ---------- Casilla de privacidad, transición ---------- */
.field-check { flex-direction: row; align-items: flex-start; gap: 12px; }
.field-check input { flex: none; width: 20px; height: 20px; min-height: 0; margin: 2px 0 0; padding: 0; accent-color: var(--accent); border: 0; }
.field-check label { font: 400 15px/1.45 var(--display); text-transform: none; letter-spacing: 0; color: var(--white); }
.field-check label a { border-bottom: 1px solid currentColor; }
.field-check label a:hover { color: var(--accent); }
.field-check input[aria-invalid="true"] { outline: 2px solid var(--accent); outline-offset: 2px; }
.footer-legal a:hover { color: var(--accent); }
.footer-legal { list-style: none; }

/* ---------- Hero: todo en el primer viewport ---------- */
.hero { padding-bottom: 56px; }
.hero-logo svg { width: min(100%, calc((100svh - 400px) * 3.161)); }
.hero-title { grid-column: 1 / span 8; font-size: clamp(2.6rem, 4.9vw, 5.8rem); line-height: .88; }
.hero-side { grid-column: 9 / span 4; justify-content: flex-end; gap: 20px; }
.hero-lead { font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.hero-actions .btn { min-height: 52px; }
.link-arrow { display: inline-flex; gap: 8px; padding: 6px 0; font: 600 15px/1 var(--display); border-bottom: 1.5px solid currentColor; }
.link-arrow i { font-style: normal; transition: transform .5s var(--ease); }
.link-arrow:hover { color: var(--accent); }
.link-arrow:hover i { transform: translateY(3px); }
@media (max-width: 1100px) {
  .hero { padding-bottom: var(--g); }
  .hero-logo svg { width: 100%; }
  .hero-title { grid-column: 1 / -1; font-size: clamp(2.6rem, 8vw, 5rem); }
  .hero-side { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  .hero-title { font-size: clamp(2.4rem, 12.2vw, 4.2rem); }
  .hero-actions .btn { flex: 1 1 100%; }
}

@media (max-width: 1100px) {
  .ix-name { grid-column: 2 / span 11; }
  .ix-type { grid-column: 2 / span 6; margin-top: 10px; }
  .ix-meta { grid-column: 8 / span 5; margin-top: 10px; }
}
@media (max-width: 680px) {
  .ix-num { grid-column: 1 / span 2; }
  .ix-name { grid-column: 3 / -1; font-size: clamp(30px, 9.6vw, 46px); padding-right: 28px; }
  .ix-type { grid-column: 3 / -1; }
  .ix-meta { grid-column: 3 / -1; text-align: left; margin-top: 2px; padding-right: 0; }
}

/* ---------- Ajustes de revisión ---------- */
.contact-title { font-size: clamp(3rem, 15vw, 16.5rem); }
.site-header { transition: transform .55s var(--ease); }
.site-header.is-hidden { transform: translateY(-110%); }
.hud { opacity: 0; transition: opacity .4s var(--ease); }
.hud.is-active { opacity: 1; }
@media (min-width: 1101px) {
  .ix-name { grid-column: 2 / span 6; }
  .ix-type { grid-column: 8 / span 2; }
  .ix-meta { grid-column: 10 / span 3; }
}
@media (max-width: 680px) {
  .sec-title { font-size: clamp(2.6rem, 12.2vw, 5rem); letter-spacing: -.05em; }
}
.screen { background: #1A1A1A; }
.screen img { min-height: 100%; }

/* ---------- Transición entre páginas (cortina) ---------- */
.pt {
  position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; pointer-events: none;
  background: var(--pt-bg, #0A0A0A); color: var(--pt-ink, #FFFFFF);
  transform: translateY(101%); visibility: hidden;
}
.pt svg { width: clamp(44px, 5vw, 72px); height: auto; }
.pt.is-leaving { visibility: visible; transform: none; transition: transform .55s cubic-bezier(.76, 0, .24, 1); }
.pt.is-leaving svg { animation: pt-k .55s cubic-bezier(.16, 1, .3, 1) both; }
.pt-in .pt { visibility: visible; transform: none; animation: pt-failsafe .01s 2.5s forwards; }
.pt-in .pt.is-entering { transform: translateY(-101%); transition: transform .6s cubic-bezier(.76, 0, .24, 1) .08s; }
@keyframes pt-k { from { transform: translateX(-60%); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes pt-failsafe { to { visibility: hidden; } }