/* =========================================================
   Constructora Atmósfera — Landing Liquid Glass
   Paleta: grises + azules
   ========================================================= */

:root {
  --bg: #0a0f1a;
  --bg-2: #0e1626;
  --bg-3: #121c30;

  --gray-50: #f4f6fa;
  --gray-100: #e6eaf1;
  --gray-300: #c3cad7;
  --gray-400: #9aa3b5;
  --gray-500: #7a8498;
  --gray-700: #343c4f;
  --gray-800: #222a3b;

  --blue-200: #b9dbff;
  --blue-300: #8cc2ff;
  --blue-400: #5aa2ff;
  --blue-500: #2f80ed;
  --blue-600: #1f63c9;
  --blue-800: #12376f;

  --grad-text: linear-gradient(100deg, var(--blue-200) 0%, var(--blue-400) 45%, var(--gray-300) 100%);
  --grad-btn: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-600) 100%);

  /* Glass tokens */
  --glass-bg: linear-gradient(145deg, rgba(255,255,255,.12) 0%, rgba(255,255,255,.04) 55%, rgba(140,194,255,.06) 100%);
  --glass-border: rgba(255,255,255,.18);
  --glass-blur: 18px;
  --glass-shadow:
    0 1px 0 0 rgba(255,255,255,.35) inset,
    0 -1px 0 0 rgba(255,255,255,.06) inset,
    0 20px 50px -18px rgba(0,0,0,.6),
    0 8px 24px -12px rgba(31,99,201,.35);

  --radius-sm: 12px;
  --radius: 22px;
  --radius-lg: 32px;
  --radius-pill: 999px;

  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 76px;

  --font-head: "Sora", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --ease: cubic-bezier(.2,.8,.2,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: clamp(15px, 1rem + .1vw, 17px);
  line-height: 1.65;
  color: var(--gray-100);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0; color: var(--gray-50); letter-spacing: -.02em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
address { font-style: normal; }
figure { margin: 0; }
:focus-visible { outline: 2px solid var(--blue-300); outline-offset: 3px; border-radius: 6px; }

.sr-svg { position: absolute; width: 0; height: 0; overflow: hidden; }
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 1000;
  padding: 10px 16px; border-radius: var(--radius-sm);
  background: var(--blue-500); color: #fff; font-weight: 600;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: 860px; }

.text-grad {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.ico { width: 20px; height: 20px; flex: none; }
.ico--lg { width: 30px; height: 30px; color: var(--blue-300); }

/* ---------- Fondo animado ---------- */
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(31,99,201,.25), transparent 60%),
    radial-gradient(900px 600px at -10% 40%, rgba(122,132,152,.18), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%);
}
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; will-change: transform; }
.orb--1 { width: 46vmax; height: 46vmax; left: -12vmax; top: 8vh; background: radial-gradient(circle, var(--blue-500), transparent 65%); animation: float1 22s var(--ease) infinite alternate; }
.orb--2 { width: 38vmax; height: 38vmax; right: -10vmax; top: 40vh; background: radial-gradient(circle, var(--gray-500), transparent 65%); opacity: .35; animation: float2 26s var(--ease) infinite alternate; }
.orb--3 { width: 30vmax; height: 30vmax; left: 35vw; bottom: -12vmax; background: radial-gradient(circle, var(--blue-300), transparent 65%); opacity: .3; animation: float3 30s var(--ease) infinite alternate; }
@keyframes float1 { to { transform: translate3d(10vw, 12vh, 0) scale(1.15); } }
@keyframes float2 { to { transform: translate3d(-12vw, -10vh, 0) scale(.9); } }
@keyframes float3 { to { transform: translate3d(-8vw, -18vh, 0) scale(1.2); } }

/* =========================================================
   LIQUID GLASS
   ========================================================= */
.glass {
  position: relative;
  isolation: isolate;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  box-shadow: var(--glass-shadow);
}
/* Borde especular (luz en los bordes) */
.glass::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg,
    rgba(255,255,255,.75) 0%, rgba(255,255,255,.08) 30%,
    rgba(255,255,255,0) 50%, rgba(140,194,255,.15) 70%, rgba(140,194,255,.6) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  pointer-events: none; z-index: 1;
}
/* Brillo superior + reflejo que sigue al cursor */
.glass::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: -1;
  background:
    radial-gradient(420px circle at var(--mx, 20%) var(--my, -20%), rgba(255,255,255,.14), transparent 45%),
    linear-gradient(180deg, rgba(255,255,255,.10) 0%, rgba(255,255,255,0) 35%);
  transition: opacity .3s var(--ease);
}
.glass--pill { border-radius: var(--radius-pill); }

/* Refracción real (solo Chromium; JS añade .has-liquid) */
.has-liquid .glass--liquid {
  -webkit-backdrop-filter: blur(4px) saturate(190%);
  backdrop-filter: url(#liquid-glass) blur(4px) saturate(190%) brightness(1.05);
}

/* Fallback sin backdrop-filter */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: rgba(20,30,50,.88); }
}

/* =========================================================
   BOTONES
   ========================================================= */
.btn {
  --h: 48px;
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: var(--h); padding: 0 22px;
  border-radius: var(--radius-pill); border: 1px solid transparent;
  font-family: var(--font-head); font-weight: 600; font-size: .95rem; letter-spacing: .01em;
  cursor: pointer; white-space: nowrap; overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}
.btn:active { transform: translateY(1px) scale(.98); }
.btn--sm { --h: 40px; padding: 0 16px; font-size: .88rem; }
.btn--lg { --h: 56px; padding: 0 28px; font-size: 1rem; }
.btn--block { width: 100%; }

.btn--primary {
  color: #fff; background: var(--grad-btn);
  box-shadow: 0 1px 0 rgba(255,255,255,.45) inset, 0 10px 30px -10px rgba(47,128,237,.8);
}
.btn--primary::after { /* destello */
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .8s var(--ease);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 16px 40px -12px rgba(47,128,237,.95); }
.btn--primary:hover::after { transform: translateX(120%); }

.btn--glass {
  color: var(--gray-50);
  background: linear-gradient(145deg, rgba(255,255,255,.14), rgba(255,255,255,.04));
  border-color: rgba(255,255,255,.22);
  -webkit-backdrop-filter: blur(14px) saturate(180%); backdrop-filter: blur(14px) saturate(180%);
  box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 10px 30px -15px rgba(0,0,0,.6);
}
.btn--glass:hover { transform: translateY(-2px); border-color: rgba(140,194,255,.5); background: linear-gradient(145deg, rgba(255,255,255,.2), rgba(140,194,255,.08)); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed; inset: 12px 0 auto; z-index: 100;
  padding-inline: var(--gutter);
  transition: transform .35s var(--ease);
}
.site-header.is-hidden { transform: translateY(-130%); }
.nav {
  max-width: var(--container); margin-inline: auto;
  height: 64px; padding: 0 10px 0 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  border-radius: var(--radius-pill);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-head); font-size: 1.02rem; color: var(--gray-300); position: relative; z-index: 2; }
.brand strong { color: var(--gray-50); font-weight: 700; }
.brand__mark { width: 32px; height: 32px; }

.nav__menu { display: flex; align-items: center; gap: 4px; position: relative; z-index: 2; }
.nav__menu a:not(.btn) {
  display: block; padding: 8px 14px; border-radius: var(--radius-pill);
  font-size: .92rem; font-weight: 500; color: var(--gray-300);
  transition: color .2s, background .2s;
}
.nav__menu a:not(.btn):hover { color: var(--gray-50); background: rgba(255,255,255,.08); }
.nav__cta-item { margin-left: 6px; }

.nav__toggle {
  display: none; position: relative; z-index: 2;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); cursor: pointer;
}
.nav__toggle span { position: absolute; left: 12px; right: 12px; height: 2px; border-radius: 2px; background: var(--gray-50); transition: transform .3s var(--ease), opacity .2s; }
.nav__toggle span:nth-child(1) { top: 15px; }
.nav__toggle span:nth-child(2) { top: 21px; }
.nav__toggle span:nth-child(3) { top: 27px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 48px) 0 64px;
  overflow: hidden;
}
.hero__media, .hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__media { background: linear-gradient(135deg, #18263f, #0c1424); }
.hero__media img { object-fit: cover; object-position: center; transform: scale(1.04); animation: heroZoom 18s var(--ease) forwards; }
@keyframes heroZoom { to { transform: scale(1); } }
.hero__shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(10,15,26,.92) 0%, rgba(10,15,26,.65) 45%, rgba(10,15,26,.25) 100%),
    linear-gradient(0deg, var(--bg) 0%, transparent 35%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 48px; }
.hero__copy { max-width: 680px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px; margin-bottom: 22px;
  font-size: .82rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--blue-200);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue-400); box-shadow: 0 0 0 0 rgba(90,162,255,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(90,162,255,0); } 100% { box-shadow: 0 0 0 0 rgba(90,162,255,0); } }

.hero__title { font-size: clamp(2.1rem, 1.2rem + 4vw, 4.2rem); font-weight: 700; margin-bottom: 20px; }
.hero__lead { font-size: clamp(1rem, .95rem + .35vw, 1.2rem); color: var(--gray-300); max-width: 58ch; margin-bottom: 32px; }
.hero__lead strong { color: var(--gray-50); font-weight: 600; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__facts { display: grid; gap: 14px; }
.fact {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 22px; border-radius: var(--radius);
  transition: transform .4s var(--ease);
}
.fact:hover { transform: translateX(-6px); }
.fact:nth-child(2) { margin-left: 28px; }
.fact__num {
  font-family: var(--font-head); font-size: 2.4rem; font-weight: 700; line-height: 1;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
  min-width: 64px;
}
.fact__txt { font-size: .92rem; line-height: 1.35; color: var(--gray-300); }
.fact__txt strong { color: var(--gray-50); font-size: 1.05rem; }

/* =========================================================
   STRIP
   ========================================================= */
.strip { position: relative; margin-top: -24px; z-index: 2; }
.strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.strip__item { display: flex; gap: 14px; align-items: flex-start; padding: 20px; }
.strip__title { font-size: 1rem; margin-bottom: 4px; }
.strip__item p { font-size: .88rem; color: var(--gray-400); line-height: 1.5; }
.strip__item--link { cursor: pointer; transition: transform .35s var(--ease), border-color .35s var(--ease); }
.strip__item--link:hover { transform: translateY(-4px); border-color: rgba(140,194,255,.55); }
.strip__item--link > * { position: relative; z-index: 2; }
.strip__item--link p { margin-bottom: 6px; }
.strip__more { display: inline-flex; align-items: center; gap: 6px; margin-top: 0; font-family: var(--font-head); font-size: .85rem; font-weight: 600; color: var(--blue-300); }
.strip__more span { transition: transform .3s var(--ease); }
.strip__item--link:hover .strip__more span { transform: translateX(4px); }

/* =========================================================
   SECCIONES
   ========================================================= */
.section { padding: clamp(72px, 10vw, 128px) 0; position: relative; }
.section--alt { background: linear-gradient(180deg, transparent, rgba(18,28,48,.55) 20%, rgba(18,28,48,.55) 80%, transparent); }
.section__head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 56px); }
.section__head--center { margin-inline: auto; text-align: center; }
.kicker {
  display: inline-block; margin-bottom: 12px;
  font-family: var(--font-head); font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue-300);
}
.section__title { font-size: clamp(1.8rem, 1.2rem + 2.6vw, 3rem); font-weight: 700; margin-bottom: 16px; }
.section__lead { color: var(--gray-400); font-size: 1.05rem; }

/* ---------- Tabs ---------- */
.tabs__list {
  position: relative; display: inline-flex; padding: 6px; margin-bottom: 24px; gap: 4px;
}
.tabs__btn {
  position: relative; z-index: 2;
  padding: 10px 22px; border: 0; background: none; cursor: pointer;
  border-radius: var(--radius-pill);
  font-family: var(--font-head); font-weight: 600; font-size: .95rem; color: var(--gray-400);
  transition: color .3s;
}
.tabs__btn.is-active { color: #fff; }
.tabs__glider {
  position: absolute; z-index: 1; top: 6px; bottom: 6px; left: 0; width: 0;
  border-radius: var(--radius-pill); background: var(--grad-btn);
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 6px 20px -6px rgba(47,128,237,.8);
  transition: transform .45s var(--ease), width .45s var(--ease);
}

/* ---------- Unidad ---------- */
.unit {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(20px, 3vw, 40px);
  padding: clamp(14px, 2vw, 22px); border-radius: var(--radius-lg);
  animation: fadeUp .5s var(--ease);
}
.unit[hidden] { display: none; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.unit__gallery { display: grid; gap: 12px; }
.unit__main { position: relative; border-radius: calc(var(--radius-lg) - 8px); overflow: hidden; aspect-ratio: 16 / 10; background: linear-gradient(135deg, #1b2a45, #101a2c); }
.unit__main img, .unit__thumbs img { width: 100%; height: 100%; object-fit: cover; }
.unit__thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.unit__thumbs picture { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; background: linear-gradient(135deg, #1b2a45, #101a2c); }
.unit__main img, .unit__thumbs img, .card__media img { transition: transform .8s var(--ease); }
.unit__main:hover img, .unit__thumbs picture:hover img { transform: scale(1.05); }

.badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 6px 14px; font-size: .8rem; font-weight: 600; color: var(--gray-50);
}
.badge--done { color: var(--blue-200); }

.unit__body { padding: clamp(6px, 2vw, 20px) clamp(6px, 1.5vw, 14px); display: flex; flex-direction: column; }
.unit__title { font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem); margin-bottom: 12px; }
.unit__body > p { color: var(--gray-400); }
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 22px 0 28px; }
.specs li {
  display: flex; flex-direction: column; gap: 2px;
  padding: 14px 16px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09);
}
.specs span { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-500); }
.specs strong { font-family: var(--font-head); font-size: 1.05rem; color: var(--gray-50); }
.unit__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: auto; }

/* ---------- Cards entregados ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2.5vw, 28px); }
.card { padding: 12px; border-radius: var(--radius-lg); overflow: hidden; transition: transform .45s var(--ease); }
.card:hover { transform: translateY(-6px); }
.card__media { position: relative; aspect-ratio: 4 / 3; border-radius: calc(var(--radius-lg) - 8px); overflow: hidden; background: linear-gradient(135deg, #1b2a45, #101a2c); }
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: 22px 14px 12px; }
.card__title { font-size: 1.45rem; margin-bottom: 8px; }
.card__body p { color: var(--gray-400); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tags li { padding: 5px 12px; border-radius: var(--radius-pill); font-size: .8rem; color: var(--gray-300); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }

/* ---------- Nosotros ---------- */
.about { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.about__copy p { color: var(--gray-400); margin-bottom: 28px; }
.steps { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; counter-reset: s; }
.step { padding: 24px; transition: transform .4s var(--ease); }
.step:nth-child(even) { transform: translateY(28px); }
.step:hover { transform: translateY(-4px); }
.step:nth-child(even):hover { transform: translateY(22px); }
.step__n { display: inline-block; font-family: var(--font-head); font-weight: 700; font-size: 1.6rem; margin-bottom: 10px; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step h3 { font-size: 1.1rem; margin-bottom: 6px; }
.step p { font-size: .9rem; color: var(--gray-400); line-height: 1.5; }

/* ---------- Ubicación ---------- */
.location { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.location__media { padding: 10px; border-radius: var(--radius-lg); }
.location__media picture { border-radius: calc(var(--radius-lg) - 8px); overflow: hidden; aspect-ratio: 3 / 2; background: linear-gradient(135deg, #1b2a45, #101a2c); }
.location__media img { width: 100%; height: 100%; object-fit: cover; }
.location__copy > p { color: var(--gray-400); }
.checks { display: grid; gap: 10px; margin: 22px 0 28px; }
.checks li { position: relative; padding-left: 32px; color: var(--gray-300); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--grad-btn) center / 12px no-repeat;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='m5 12 5 5 9-10'/%3E%3C/svg%3E"), var(--grad-btn);
}

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq__item { padding: 0; border-radius: var(--radius); }
.faq__item summary {
  position: relative; z-index: 2; list-style: none; cursor: pointer;
  padding: 20px 60px 20px 24px; font-family: var(--font-head); font-weight: 600; font-size: 1.02rem; color: var(--gray-50);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: ""; position: absolute; right: 22px; top: 50%; width: 24px; height: 24px; margin-top: -12px; border-radius: 50%;
  background: rgba(255,255,255,.1) center / 12px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%238cc2ff' stroke-width='3' stroke-linecap='round' d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transition: transform .35s var(--ease);
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { position: relative; z-index: 2; padding: 0 24px 22px; color: var(--gray-400); }

/* ---------- Contacto ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.contact__copy > p { color: var(--gray-400); }
.contact__list { display: grid; gap: 10px; margin-top: 26px; }
.contact__list a, .contact__list span {
  display: inline-flex; padding: 12px 18px; border-radius: var(--radius-pill);
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); color: var(--gray-300);
  transition: border-color .25s, color .25s;
}
.contact__list a:hover { border-color: rgba(140,194,255,.5); color: var(--gray-50); }


/* ---------- Panel WhatsApp (contacto) ---------- */
.wa-panel { padding: clamp(20px, 3vw, 36px); border-radius: var(--radius-lg); display: grid; gap: 18px; }
.wa-panel > * { position: relative; z-index: 2; }
.wa-panel__title { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; color: var(--gray-50); }
.wa-panel__grid { display: grid; gap: 10px; }
.wa-option {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px;
  border-radius: var(--radius); background: rgba(8,13,24,.4); border: 1px solid rgba(255,255,255,.12);
  transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.wa-option:hover { transform: translateX(4px); border-color: rgba(52,208,123,.55); background: rgba(52,208,123,.08); }
.wa-option__ico { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: 50%; color: #fff; background: linear-gradient(135deg, #34d07b, #1fa855); box-shadow: 0 1px 0 rgba(255,255,255,.45) inset; }
.wa-option__ico .ico { width: 22px; height: 22px; }
.wa-option__txt { display: grid; flex: 1; line-height: 1.3; }
.wa-option__txt strong { font-family: var(--font-head); color: var(--gray-50); font-size: 1rem; }
.wa-option__txt small { color: var(--gray-400); font-size: .85rem; }
.wa-option__arrow { color: var(--blue-300); font-size: 1.2rem; transition: transform .3s var(--ease); }
.wa-option:hover .wa-option__arrow { transform: translateX(4px); }
.wa-panel__note { text-align: center; font-size: .85rem; color: var(--gray-500); }

/* ---------- Extras WhatsApp en secciones ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.head-cta { margin-top: 24px; }
.btn--wa:hover { border-color: rgba(52,208,123,.6); background: linear-gradient(145deg, rgba(52,208,123,.18), rgba(52,208,123,.05)); }
.btn--wa .ico { color: #34d07b; }
.faq__cta { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 18px; padding: 20px 24px; }
.faq__cta > * { position: relative; z-index: 2; }
.faq__cta p { color: var(--gray-300); }
.faq__cta strong { color: var(--gray-50); }
.footer__wa { color: #5fe39a !important; }

/* ---------- Footer ---------- */
.footer { padding: 64px 0 28px; border-top: 1px solid rgba(255,255,255,.07); background: rgba(6,10,18,.6); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer__desc { margin-top: 16px; color: var(--gray-500); font-size: .92rem; max-width: 40ch; }
.footer__h { font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gray-400); margin-bottom: 16px; }
.footer ul { display: grid; gap: 8px; }
.footer a { color: var(--gray-300); transition: color .2s; }
.footer a:hover { color: var(--blue-300); }
.footer address { color: var(--gray-400); line-height: 1.9; font-size: .92rem; }
.social { display: flex; gap: 10px; margin-top: 16px; }
.social a { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); }
.social svg { width: 18px; height: 18px; }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.06); font-size: .85rem; color: var(--gray-500); }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: 90;
  display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%;
  color: #fff; background: linear-gradient(135deg, #34d07b, #1fa855);
  box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 12px 30px -8px rgba(31,168,85,.7);
  transition: transform .3s var(--ease);
}
.wa-float svg { width: 30px; height: 30px; }
.wa-float:hover { transform: scale(1.08); }
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid rgba(52,208,123,.6); animation: waRing 2.4s ease-out infinite; }
@keyframes waRing { from { transform: scale(1); opacity: .9; } to { transform: scale(1.5); opacity: 0; } }
.wa-float__tip {
  position: absolute; right: calc(100% + 12px); top: 50%; transform: translate(8px, -50%); opacity: 0;
  padding: 8px 14px; border-radius: var(--radius-pill); white-space: nowrap;
  font-family: var(--font-head); font-size: .85rem; font-weight: 600; color: var(--gray-50);
  background: rgba(14,22,38,.85); border: 1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 10px 24px -10px rgba(0,0,0,.6);
  pointer-events: none; transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.wa-float.tip-in .wa-float__tip { animation: tipShow 3.2s var(--ease) forwards; }
.wa-float:hover .wa-float__tip { opacity: 1; transform: translate(0, -50%); }
@keyframes tipShow { 0% { opacity: 0; transform: translate(8px,-50%); } 12%, 80% { opacity: 1; transform: translate(0,-50%); } 100% { opacity: 0; transform: translate(8px,-50%); } }

/* =========================================================
   SLIDER ENTREGADOS + GALERÍA SAONA + LIGHTBOX
   ========================================================= */
/* ===== Slider proyectos entregados (3 fotos) ===== */
.card__media{position:relative;overflow:hidden}
.sx{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;border-radius:inherit;background:#0d1424}
.sx__track{display:flex;height:100%;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;overscroll-behavior-x:contain}
.sx__track::-webkit-scrollbar{display:none}
.sx__track:focus-visible{outline:2px solid #8cc2ff;outline-offset:-4px}
.sx__slide{flex:0 0 100%;height:100%;overflow:hidden;scroll-snap-align:center;scroll-snap-stop:always}
.sx__slide img{width:100%;height:100%;object-fit:cover;display:block;user-select:none;-webkit-user-drag:none}
.sx__nav{position:absolute;top:50%;translate:0 -50%;z-index:2;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(10,15,26,.38);-webkit-backdrop-filter:blur(10px) saturate(160%);backdrop-filter:blur(10px) saturate(160%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 6px 18px rgba(0,0,0,.35);transition:opacity .25s,background .25s,transform .25s}
.sx__nav:hover{background:rgba(47,128,237,.55)}
.sx__nav:active{transform:scale(.94)}
.sx__nav[disabled]{opacity:0;pointer-events:none}
.sx__nav svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.sx__nav--prev{left:12px}.sx__nav--next{right:12px}
.sx__dots{position:absolute;left:50%;bottom:12px;translate:-50% 0;z-index:2;display:flex;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(10,15,26,.35);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.sx__dots span{width:7px;height:7px;border-radius:999px;background:rgba(255,255,255,.5);transition:width .3s,background .3s}
.sx__dots span.is-active{width:20px;background:#fff}
.card__media .badge{z-index:3}
@media (hover:none){.sx__nav{width:38px;height:38px;background:rgba(10,15,26,.3)}}
@media (max-width:480px){.sx__nav{display:none}}

/* ===== Galería Saona (4 fotos + lightbox) ===== */
.gx{position:relative;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:auto auto;gap:8px}
.gx__item{position:relative;display:block;padding:0;margin:0;border:0;border-radius:14px;overflow:hidden;cursor:zoom-in;background:#0d1424;aspect-ratio:4/3;-webkit-tap-highlight-color:transparent}
.gx__item--main{grid-column:1/-1;aspect-ratio:16/10}
.gx__item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s cubic-bezier(.2,.8,.2,1),filter .4s}
.gx__item:hover img{transform:scale(1.05);filter:brightness(1.06)}
.gx__item:focus-visible{outline:2px solid #8cc2ff;outline-offset:2px}
.gx__zoom{position:absolute;right:10px;bottom:10px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#fff;
  background:rgba(10,15,26,.42);border:1px solid rgba(255,255,255,.3);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:.9;transition:opacity .3s,transform .3s}
.gx__item:not(.gx__item--main) .gx__zoom{width:30px;height:30px;right:8px;bottom:8px}
.gx__zoom svg{width:55%;height:55%;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
.gx__item:hover .gx__zoom{transform:scale(1.08);opacity:1}
.gx__badge{position:absolute;top:12px;left:12px;z-index:2;pointer-events:none}
.gx__count{position:absolute;top:12px;right:12px;z-index:2;pointer-events:none;font-size:.78rem;font-weight:600;color:#fff;padding:5px 10px;border-radius:999px;background:rgba(10,15,26,.45);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
@media (max-width:480px){.gx{gap:6px}.gx__item{border-radius:10px}.gx__item:not(.gx__item--main) .gx__zoom{display:none}}

/* ===== Lightbox ===== */
.lbx{position:fixed;inset:0;width:100%;height:100%;max-width:100%;max-height:100%;margin:0;padding:0;border:0;background:transparent;color:#fff;overflow:hidden}
.lbx[open]{display:grid;place-items:center;animation:lbxIn .3s ease}
.lbx::backdrop{background:rgba(5,8,15,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
@keyframes lbxIn{from{opacity:0}}
.lbx__stage{margin:0;max-width:min(1400px,94vw);display:flex;flex-direction:column;align-items:center;gap:12px;touch-action:pan-y}
.lbx__img{max-width:100%;max-height:calc(100svh - 140px);width:auto;height:auto;border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.6);user-select:none;-webkit-user-drag:none;transition:opacity .25s}
.lbx__img.is-loading{opacity:.2}
.lbx__cap{font-size:.9rem;color:rgba(255,255,255,.78);text-align:center;padding:0 60px;max-width:760px}
.lbx__btn{position:absolute;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;cursor:pointer;color:#fff;border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.1);-webkit-backdrop-filter:blur(12px) saturate(160%);backdrop-filter:blur(12px) saturate(160%);box-shadow:inset 0 1px 0 rgba(255,255,255,.3);transition:background .2s,transform .2s}
.lbx__btn:hover{background:rgba(47,128,237,.55)}
.lbx__btn:active{transform:scale(.94)}
.lbx__btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.lbx__close{top:max(16px,env(safe-area-inset-top));right:16px}
.lbx__prev{left:16px;top:50%;translate:0 -50%}
.lbx__next{right:16px;top:50%;translate:0 -50%}
.lbx__counter{position:absolute;top:max(26px,calc(env(safe-area-inset-top) + 10px));left:50%;translate:-50% 0;font-size:.85rem;font-weight:600;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.1)}
body.lbx-open{overflow:hidden}
@media (max-width:640px){
  .lbx__stage{max-width:100vw}
  .lbx__img{border-radius:0;max-height:calc(100svh - 170px)}
  .lbx__prev,.lbx__next{top:auto;bottom:max(20px,env(safe-area-inset-bottom));translate:none}
  .lbx__prev{left:calc(50% - 60px)}.lbx__next{right:calc(50% - 60px)}
  .lbx__cap{padding:0 16px;margin-bottom:70px}
}
.fact__sub{display:block;font-size:.72em;opacity:.8;font-weight:500}
@media (prefers-reduced-motion:reduce){.sx__track{scroll-behavior:auto}.lbx[open]{animation:none}.gx__item img{transition:none}}

/* ---------- Animación al hacer scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.step.reveal.is-in:nth-child(even) { transform: translateY(28px); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1100px) {
  .strip__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { grid-template-columns: 1fr; align-items: start; gap: 36px; }
  .hero__facts { grid-template-columns: repeat(3, 1fr); }
  .fact:nth-child(2) { margin-left: 0; }
  .fact { flex-direction: column; align-items: flex-start; gap: 6px; }
}

@media (max-width: 960px) {
  :root { --header-h: 68px; }
  .nav { height: 58px; }
  .nav__toggle { display: block; }
  .nav__menu {
    position: absolute; top: calc(100% + 10px); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 12px; border-radius: var(--radius);
    background: rgba(14,22,38,.92);
    -webkit-backdrop-filter: blur(24px) saturate(180%); backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255,255,255,.14);
    box-shadow: var(--glass-shadow);
    opacity: 0; visibility: hidden; transform: translateY(-8px) scale(.98);
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  }
  .nav__menu.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__menu a:not(.btn) { padding: 14px 16px; font-size: 1rem; }
  .nav__cta-item { margin: 6px 0 0; }
  .nav__cta-item .btn { width: 100%; --h: 50px; }

  .unit { grid-template-columns: 1fr; }
  .about, .location, .contact { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 40px); }
  .hero__shade { background: linear-gradient(180deg, rgba(10,15,26,.55) 0%, rgba(10,15,26,.85) 55%, var(--bg) 100%); }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__facts { gap: 10px; }
  .fact { padding: 14px; }
  .fact__num { font-size: 1.8rem; min-width: 0; }
  .fact__txt { font-size: .8rem; }
  .fact__txt strong { font-size: .92rem; }

  .strip { margin-top: 0; }
  .strip__grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step:nth-child(even), .step.reveal.is-in:nth-child(even) { transform: none; }
  .step:nth-child(even):hover { transform: translateY(-4px); }
  .tabs__list { display: flex; width: 100%; }
  .tabs__btn { flex: 1; padding: 10px 12px; font-size: .88rem; }
  .specs { grid-template-columns: 1fr 1fr; }
  .unit__actions .btn { flex: 1 1 100%; }
  .footer__grid { grid-template-columns: 1fr; }
  .brand__text { font-size: .92rem; }
}

@media (max-width: 380px) {
  .brand__text { display: none; }
  .hero__facts { grid-template-columns: 1fr; }
  .fact { flex-direction: row; align-items: center; }
  .specs { grid-template-columns: 1fr; }
}

@media (hover: none) {
  .card:hover, .fact:hover, .step:hover, .strip__item--link:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .bg-orbs, .site-header, .wa-float { display: none !important; }
  body { background: #fff; color: #000; }
}