/* ============================================================
   Future Digital S.A.S. — Sistema de diseño
   DESIGN 3 («catedral de cristal a medianoche») con la paleta
   Prisma de la marca. Un lienzo oscuro, placas de cristal,
   botones píldora y una sola acción con color: el azul del logo.
   ============================================================ */

:root {
  /* Paleta de marca */
  --bone: #ffffff;
  --frost: #b7dcff;
  --cobalt: #2b6be0;
  --cobalt-hover: #3a7af0;
  --navy: #0a1730;

  /* Lienzo medianoche */
  --canvas: #050b16;
  --glass-edge: rgba(183, 220, 255, .12);
  --glass-edge-strong: rgba(183, 220, 255, .24);
  --glass-fill: rgba(183, 220, 255, .06);
  --glass-fill-hover: rgba(183, 220, 255, .12);
  --glass-card: rgba(183, 220, 255, .03);
  --plate: rgba(5, 11, 22, .97);

  /* Texto: hielo → escarcha → bruma → niebla */
  --text-ice: #e6edf9;
  --text-frost: #d1dcf0;
  --text-mist: #b7c4dc;
  --text-fog: #8c9bb8;

  --ice-gradient: linear-gradient(0deg, #e6edf9 0%, #b7dcff 100%);
  --accent-gradient: linear-gradient(135deg, #b7dcff, #2b6be0);

  /* Elevación: brillo interior + halo oscuro, nunca sombra convencional */
  --elev-card: inset 0 1px 1px rgba(199, 211, 234, .12), inset 0 24px 48px rgba(199, 211, 234, .05), 0 24px 32px rgba(3, 7, 16, .6);
  --elev-card-hover: inset 0 1px 1px rgba(230, 237, 249, .22), inset 0 24px 48px rgba(183, 220, 255, .07), 0 28px 40px rgba(3, 7, 16, .7);
  --elev-plate: inset 0 1px 1px rgba(230, 237, 249, .2), inset 0 24px 48px rgba(183, 220, 255, .06), 0 16px 32px rgba(0, 0, 0, .35);
  --elev-plate-hover: inset 0 1px 1px rgba(230, 237, 249, .26), inset 0 24px 48px rgba(183, 220, 255, .08), 0 24px 48px rgba(0, 0, 0, .45);

  /* Tipografías */
  --font-display: 'Manrope', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Espaciado */
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-56: 56px;

  /* Layout */
  --page-max: 1280px;
  --gutter: 40px;
  --header-h: 80px;

  /* Radios: píldora para lo interactivo, 16 para placas, 6 para etiquetas */
  --radius-pill: 999px;
  --radius-card: 16px;
  --radius-badge: 6px;
}

/* ---------- Base ---------- */

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text-frost);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p, figure, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--cobalt); color: var(--bone); }

:focus-visible { outline: 1px solid var(--frost); outline-offset: 4px; border-radius: 4px; }

.wrap {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.arrow { width: 16px; height: 16px; stroke: currentColor; stroke-width: 1.5; fill: none; flex: 0 0 auto; }

/* ---------- Botones: píldora ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  padding: 11px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.005em;
  line-height: 1;
  color: var(--bone);
  background: var(--glass-fill);
  box-shadow: inset 0 0 0 1px var(--glass-edge);
  transition: background-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.btn:hover { background: var(--glass-fill-hover); }

/* la única acción con color */
.btn--solid-light {
  background: var(--cobalt);
  box-shadow: inset 0 1px 1px rgba(230, 237, 249, .22), 0 8px 24px rgba(43, 107, 224, .28);
}

.btn--solid-light:hover { background: var(--cobalt-hover); }

.link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-frost);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--glass-edge);
  transition: border-color .25s ease, gap .25s ease;
}

.link:hover { border-color: var(--glass-edge-strong); gap: 18px; }

/* ---------- Barra de lectura ---------- */

.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 200; pointer-events: none; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent-gradient); }

/* ---------- Encabezado ---------- */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  color: var(--text-ice);
  border-bottom: 1px solid transparent;
  transition: border-color .35s ease;
}

/* el cristal va en un pseudo-elemento para no atrapar al menú móvil */
.header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(5, 11, 22, .74);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}

.header.is-solid { border-bottom-color: var(--glass-edge); }
.header.is-solid::before { opacity: 1; }
.header.is-menu::before { opacity: 0; }
.header.is-menu { border-bottom-color: transparent; }

.header__inner {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-24);
}

.brand { position: relative; z-index: 130; display: inline-flex; align-items: center; }
.brand__logo { height: 30px; width: auto; }
.brand__logo--dark { display: none; }

.nav { display: flex; align-items: center; gap: var(--space-32); }

.nav__link {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--text-mist);
  transition: color .25s ease;
}

.nav__link:hover { color: var(--text-ice); }
.nav__link.is-active { color: var(--text-ice); }
.nav__cta { display: none; }

.header__actions { display: flex; align-items: center; gap: var(--space-16); }

.lang {
  position: relative;
  z-index: 130;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: var(--radius-pill);
  box-shadow: inset 0 0 0 1px var(--glass-edge);
}

.lang__btn {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 11px;
  border-radius: var(--radius-pill);
  color: var(--text-mist);
  transition: background-color .25s ease, color .25s ease;
}

.lang__btn:hover { color: var(--text-ice); }
.lang__btn.is-on { background: var(--text-ice); color: var(--canvas); }

.nav-toggle { display: none; }

/* ---------- Hero fijo: el contenido lo cubre al hacer scroll ---------- */

.hero {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100svh;
  min-height: 560px;
  z-index: 0;
  overflow: hidden;
  background: var(--canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--bone);
}

.hero__media,
.hero__media video,
.hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__media video { opacity: 0; transition: opacity 1.4s ease; }
.hero__media video.is-on { opacity: 1; }

/* el tercer clip (apretón de manos) es mucho más luminoso */
.hero__media video:nth-of-type(3) { filter: brightness(.72) contrast(1.04); }

/* velo mínimo: bajo el menú y en el borde inferior, donde empieza el lienzo */
.hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(5, 11, 22, .52) 0%,
    rgba(5, 11, 22, .16) 16%,
    rgba(5, 11, 22, .02) 38%,
    rgba(5, 11, 22, .10) 64%,
    rgba(5, 11, 22, .72) 100%);
}

@keyframes heroIn { to { opacity: 1; transform: none; } }

.hero__inner {
  position: relative;
  z-index: 2;
  padding: 0 var(--gutter);
  max-width: 1000px;
  will-change: transform, opacity;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(48px, 9.4vw, 96px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--bone);
  text-shadow: 0 2px 28px rgba(5, 11, 22, .55), 0 1px 4px rgba(5, 11, 22, .35);
}

.hero__text {
  margin: var(--space-32) auto 0;
  max-width: 640px;
  color: rgba(255, 255, 255, .88);
  font-size: 16px;
  line-height: 1.6;
  text-shadow: 0 2px 16px rgba(5, 11, 22, .85), 0 1px 3px rgba(5, 11, 22, .5);
}

.hero__actions {
  margin-top: var(--space-48);
  display: flex;
  gap: var(--space-12);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__title,
.hero__text,
.hero__actions {
  opacity: 0;
  transform: translateY(22px);
  animation: heroIn .95s cubic-bezier(.2, .7, .3, 1) forwards;
}

.hero__title { animation-delay: .10s; }
.hero__text { animation-delay: .32s; }
.hero__actions { animation-delay: .48s; }

/* ---------- Lienzo medianoche ---------- */

.page { position: relative; z-index: 10; }
.page--overlay { margin-top: 100svh; }

.canvas {
  position: relative;
  background: var(--canvas);
  color: var(--text-frost);
  overflow: hidden;
}

/* cuadrícula de plano, desvanecida en los bordes y hacia el pie */
.canvas::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(183, 220, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183, 220, 255, .045) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: center top;
  -webkit-mask-image:
    linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent),
    linear-gradient(180deg, #000 70%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent),
    linear-gradient(180deg, #000 70%, transparent 100%);
  mask-composite: intersect;
  pointer-events: none;
}

/* foco cónico y halo que anclan la cabecera del lienzo */
.canvas::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 640px;
  background:
    conic-gradient(from 180deg at 50% -6%, transparent 46.5%, rgba(120, 165, 230, .16) 49.4%, rgba(160, 200, 255, .42) 50%, rgba(120, 165, 230, .16) 50.6%, transparent 53.5%),
    radial-gradient(ellipse 46% 34% at 50% 0%, rgba(43, 107, 224, .22), transparent 70%);
  pointer-events: none;
}

.canvas__inner { position: relative; z-index: 1; padding: clamp(96px, 11vw, 140px) 0 clamp(72px, 8vw, 100px); }

/* en las páginas sin video, el lienzo empieza bajo el encabezado */
.canvas--page .canvas__inner { padding-top: calc(var(--header-h) + clamp(72px, 9vw, 112px)); }

.sec { padding: 0 0 clamp(88px, 10vw, 120px); text-align: center; }
.sec:last-child { padding-bottom: 0; }

/* eyebrow centrado entre dos hilos que se desvanecen */
.sec__eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-20);
  margin-bottom: var(--space-24);
}

.sec__eyebrow span {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.2;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-mist);
  font-feature-settings: 'tnum' on;
}

.sec__eyebrow::before,
.sec__eyebrow::after { content: ''; height: 1px; width: clamp(48px, 9vw, 120px); }
.sec__eyebrow::before { background: linear-gradient(90deg, transparent, var(--glass-edge)); }
.sec__eyebrow::after  { background: linear-gradient(90deg, var(--glass-edge), transparent); }

/* titulares con el degradado hielo → azul */
.sec__title,
.page-title {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 0 auto;
  background: var(--ice-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--text-ice);
}

.sec__title { font-size: clamp(32px, 4.4vw, 48px); max-width: 760px; }
.page-title { font-size: clamp(40px, 5.6vw, 64px); line-height: 1.08; letter-spacing: -0.025em; max-width: 860px; }

.sec__lede {
  margin: var(--space-20) auto 0;
  max-width: 640px;
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--text-mist);
}

.sec__lede + .sec__lede { margin-top: var(--space-16); }

.sec__actions {
  margin-top: var(--space-32);
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.sec__note {
  margin-top: var(--space-32);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-fog);
  display: flex;
  justify-content: center;
  gap: var(--space-24);
  flex-wrap: wrap;
}

/* ---------- Placas de cristal ---------- */

.tiles {
  margin: clamp(40px, 5vw, 56px) auto 0;
  max-width: 1080px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-16);
  text-align: left;
}

.tiles--4 { grid-template-columns: repeat(4, 1fr); max-width: 1200px; }
.tiles--2 { grid-template-columns: repeat(2, 1fr); max-width: 780px; }

.tile {
  position: relative;
  border-radius: var(--radius-card);
  background: var(--glass-card);
  box-shadow: var(--elev-card);
  padding: 28px 24px 30px;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  transition: transform .5s cubic-bezier(.2, .7, .3, 1), box-shadow .5s ease, background-color .5s ease;
}

.tile:hover {
  transform: translateY(-4px);
  background: rgba(183, 220, 255, .05);
  box-shadow: var(--elev-card-hover);
}

.tile__icon {
  width: 56px;
  height: 56px;
  border-radius: 9999px;
  background: var(--glass-fill);
  box-shadow: inset 0 0 0 1px var(--glass-edge), inset 0 1px 1px rgba(230, 237, 249, .18);
  display: grid;
  place-items: center;
  color: var(--text-ice);
  flex: 0 0 auto;
}

.tile__icon svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }

.tile__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-ice);
}

.tile__text { font-size: 15px; line-height: 1.6; color: var(--text-mist); }

/* placa-enlace: canales de contacto */
.tile--link {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-20);
  padding: 24px 24px 24px 28px;
}

.tile__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-fog);
  margin-bottom: 8px;
}

.tile__value {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(17px, 1.6vw, 20px);
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--text-ice);
  word-break: break-word;
}

.tile__go {
  width: 40px;
  height: 40px;
  border-radius: 9999px;
  background: var(--glass-fill);
  box-shadow: inset 0 0 0 1px var(--glass-edge);
  display: grid;
  place-items: center;
  color: var(--text-ice);
  flex: 0 0 auto;
  transition: background-color .3s ease, box-shadow .3s ease, transform .3s ease;
}

.tile--link:hover .tile__go {
  background: var(--cobalt);
  box-shadow: inset 0 1px 1px rgba(230, 237, 249, .22), 0 8px 20px rgba(43, 107, 224, .35);
  transform: translateX(3px);
}

/* ---------- Placa profunda ---------- */

.plate-wrap { position: relative; margin-top: clamp(40px, 5vw, 56px); display: flex; justify-content: center; }

.plate-wrap::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 640px;
  height: 320px;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(43, 107, 224, .22), transparent 68%);
  pointer-events: none;
}

.plate {
  position: relative;
  width: min(520px, 100%);
  border-radius: var(--radius-card);
  background: var(--plate);
  box-shadow: var(--elev-plate);
  padding: 44px 40px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-24);
  transition: transform .5s cubic-bezier(.2, .7, .3, 1), box-shadow .5s ease;
}

a.plate:hover { transform: translateY(-4px); box-shadow: var(--elev-plate-hover); }

.plate--wide { width: min(720px, 100%); }

.plate__logo img { height: 22px; width: auto; }

.plate__badge {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-frost);
  background: rgba(199, 211, 234, .12);
  border-radius: var(--radius-badge);
  padding: 4px 8px;
  box-shadow: inset 0 1px 1px rgba(230, 237, 249, .12);
}

.plate__text { text-align: center; font-size: 15px; line-height: 1.6; color: var(--text-mist); max-width: 440px; }

.plate__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 28px;
  letter-spacing: -0.015em;
  color: var(--text-ice);
}

.plate__actions { display: flex; gap: var(--space-12); flex-wrap: wrap; justify-content: center; }

/* ficha de datos dentro de una placa */
.plate__list { width: 100%; }

.plate__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-24);
  padding: 16px 0;
  border-top: 1px solid var(--glass-edge);
  text-align: left;
  align-items: baseline;
}

.plate__row:first-child { border-top: 0; padding-top: 0; }
.plate__row:last-child { padding-bottom: 0; }

.plate__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-fog);
}

.plate__row dd { font-size: 16px; color: var(--text-ice); }
.plate__row dd a { border-bottom: 1px solid var(--glass-edge); padding-bottom: 2px; transition: border-color .25s ease; }
.plate__row dd a:hover { border-color: var(--glass-edge-strong); }

/* ---------- Pie ---------- */

.footer {
  position: relative;
  z-index: 10;
  background: var(--canvas);
  color: var(--text-frost);
  border-top: 1px solid var(--glass-edge);
  padding: clamp(56px, 7vw, 96px) 0 var(--space-40);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-56);
  padding-bottom: var(--space-56);
  border-bottom: 1px solid var(--glass-edge);
}

.footer__logo { height: 30px; width: auto; margin-bottom: var(--space-24); }
.footer__blurb { color: var(--text-fog); font-size: 14px; line-height: 1.7; max-width: 34ch; }

.footer__label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-fog);
  margin-bottom: var(--space-20);
}

.footer__list { display: flex; flex-direction: column; gap: var(--space-12); }
.footer__list a { font-size: 14px; color: var(--text-mist); transition: color .25s ease; }
.footer__list a:hover { color: var(--text-ice); }

.footer__bottom {
  padding-top: var(--space-32);
  display: flex;
  justify-content: space-between;
  gap: var(--space-24);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-fog);
}

/* ---------- Aparición al hacer scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.2, .7, .3, 1), transform .9s cubic-bezier(.2, .7, .3, 1);
}

.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }

/* ---------- WhatsApp flotante ---------- */

.wa {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--cobalt);
  color: var(--bone);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 1px rgba(230, 237, 249, .25), 0 8px 24px rgba(43, 107, 224, .35);
  transition: transform .3s ease, opacity .3s ease, background-color .3s ease;
  opacity: 0;
  pointer-events: none;
}

.wa.is-on { opacity: 1; pointer-events: auto; }
.wa:hover { transform: translateY(-3px); background: var(--cobalt-hover); }
.wa svg { width: 22px; height: 22px; fill: currentColor; }

/* ---------- Responsive ---------- */

@media (max-width: 1140px) and (min-width: 901px) {
  .nav { gap: var(--space-20); }
  .nav__link { font-size: 13px; }
  .header__actions { gap: var(--space-12); }
}

@media (max-width: 1100px) {
  .tiles--4 { grid-template-columns: repeat(2, 1fr); max-width: 780px; }
}

@media (max-width: 900px) {
  :root { --gutter: 24px; }

  .tiles, .tiles--2 { grid-template-columns: 1fr; max-width: 560px; }
  .tiles--4 { grid-template-columns: 1fr; max-width: 560px; }
  .plate, .plate--wide { padding: 36px 24px 32px; }
  .plate__row { grid-template-columns: 1fr; gap: 6px; }
  .footer__top { grid-template-columns: 1fr; gap: var(--space-40); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }

  /* menú móvil */
  .nav {
    position: fixed;
    inset: 0;
    background: var(--canvas);
    color: var(--text-ice);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-32);
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform .5s cubic-bezier(.2, .7, .3, 1), visibility 0s linear .5s;
    z-index: 120;
  }

  .nav.is-open { transform: none; visibility: visible; transition: transform .5s cubic-bezier(.2, .7, .3, 1), visibility 0s; }

  .nav__link {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 28px;
    letter-spacing: -0.02em;
    color: var(--text-mist);
  }

  .nav__cta {
    display: inline-flex;
    margin-top: var(--space-24);
    font-family: var(--font-body);
    font-size: 14px;
    letter-spacing: -0.005em;
    color: var(--bone);
    background: var(--glass-fill);
    box-shadow: inset 0 0 0 1px var(--glass-edge);
    border-radius: var(--radius-pill);
    padding: 12px 20px;
  }

  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 40px;
    height: 40px;
    z-index: 130;
    position: relative;
  }

  .nav-toggle span { display: block; height: 1px; width: 24px; background: currentColor; transition: transform .35s ease; }
  .nav-toggle.is-open span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle.is-open span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

  .header__actions > .btn { display: none; }
}

@media (max-width: 480px) {
  .tile { padding: 24px 20px 26px; }
  .tile--link { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__title, .hero__text, .hero__actions { opacity: 1; transform: none; animation: none; }
  * { transition-duration: .01ms !important; }
}