/* ==========================================================================
   Datahall Data Center — static site stylesheet
   Palette: ink navy, warm ivory, champagne gold, muted teal
   ========================================================================== */

:root {
  --ink: #09111f;
  --navy: #0e1a2d;
  --navy-2: #14243b;
  --navy-3: #1c3150;
  --ivory: #f6f3ec;
  --ivory-2: #efeade;
  --paper: #ffffff;
  --text: #1b2536;
  --muted: #5b667a;
  --muted-d: #9eacc2;
  --line: rgba(14, 26, 45, 0.12);
  --line-d: rgba(255, 255, 255, 0.12);
  --gold: #a9803f;
  --gold-l: #d6b377;
  --teal: #2f6f7e;
  --radius: 18px;
  --radius-s: 12px;
  --shadow: 0 1px 2px rgba(9, 17, 31, 0.05), 0 12px 32px -12px rgba(9, 17, 31, 0.18);
  --shadow-l: 0 2px 4px rgba(9, 17, 31, 0.06), 0 28px 60px -20px rgba(9, 17, 31, 0.28);
  --maxw: 1200px;
  --font-d: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-b: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-b);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-d); font-weight: 500; line-height: 1.12; letter-spacing: -0.015em; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--gold-l); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--gold-l); color: var(--ink); }

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--gold-l); color: var(--ink); padding: 10px 16px; border-radius: 8px; font-weight: 600;
}
.skip:focus { top: 16px; }

.wrap { width: min(100% - 48px, var(--maxw)); margin-inline: auto; }

/* ---------- Icons ---------- */
.ic { --ac: var(--gold); width: 1.5em; height: 1.5em; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.on-dark .ic { --ac: var(--gold-l); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), padding 0.35s var(--ease);
  padding: 22px 0;
}
.site-header.scrolled {
  background: rgba(9, 17, 31, 0.86);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 1px 0 var(--line-d);
  padding: 12px 0;
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { height: 44px; width: auto; transition: height 0.35s var(--ease); }
.scrolled .brand img { height: 38px; }
.menu { display: flex; align-items: center; gap: 6px; }
.menu a.link {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9375rem; font-weight: 500; padding: 8px 14px; border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}
.menu a.link:hover, .menu a.link[aria-current="page"] { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-toggle {
  display: none; width: 46px; height: 46px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.08); border: 1px solid var(--line-d); cursor: pointer; color: #fff;
}
.nav-toggle span { display: block; width: 20px; height: 1.5px; background: currentColor; margin: 5px auto; transition: transform 0.3s var(--ease), opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 0.9375rem; line-height: 1;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.btn .ic { width: 1.15em; height: 1.15em; stroke-width: 1.6; }
.btn-gold { background: linear-gradient(135deg, #e0c18a, #c39a55); color: var(--ink); box-shadow: 0 10px 28px -10px rgba(214, 179, 119, 0.6); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(214, 179, 119, 0.75); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, 0.28); background: rgba(255, 255, 255, 0.04); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.5); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-3); transform: translateY(-2px); }
.btn-sm { padding: 11px 20px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 520px at 82% 12%, rgba(47, 111, 126, 0.38), transparent 62%),
    radial-gradient(700px 480px at 6% 92%, rgba(169, 128, 63, 0.2), transparent 60%),
    linear-gradient(160deg, var(--ink) 0%, var(--navy) 55%, var(--navy-2) 100%);
  padding: 176px 0 112px;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.5;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 20%, transparent 78%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold);
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.on-dark .eyebrow, .hero .eyebrow, .page-hero .eyebrow { color: var(--gold-l); }
.hero h1 { font-size: clamp(2.6rem, 5.6vw, 4.5rem); margin: 22px 0 24px; font-weight: 400; }
.hero h1 em { font-style: italic; color: var(--gold-l); font-weight: 400; }
.hero .lead { font-size: 1.15rem; color: rgba(255, 255, 255, 0.78); max-width: 34em; margin-bottom: 34px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; filter: drop-shadow(0 40px 60px rgba(0, 0, 0, 0.45)); }
.led { animation: blink 3.2s ease-in-out infinite; }
.led.d1 { animation-delay: 0.6s; } .led.d2 { animation-delay: 1.3s; } .led.d3 { animation-delay: 2.1s; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

.pillars { position: relative; margin-top: 76px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-d); }
.pillar { display: flex; gap: 16px; align-items: center; padding: 26px 24px 0 0; }
.pillar + .pillar { padding-left: 24px; border-left: 1px solid var(--line-d); }
.pillar .ic { width: 34px; height: 34px; color: #fff; }
.pillar b { display: block; font-size: 0.95rem; font-weight: 600; line-height: 1.3; }
.pillar span { font-size: 0.82rem; color: var(--muted-d); }

/* ---------- Sections ---------- */
.section { padding: 112px 0; position: relative; overflow-x: clip; }
.section.alt { background: var(--paper); }
.section.dark { background: linear-gradient(170deg, var(--ink), var(--navy-2)); color: #fff; }
.sec-head { max-width: 760px; margin-bottom: 64px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .eyebrow::before { display: none; }
.sec-head h2 { font-size: clamp(2rem, 3.8vw, 3.1rem); margin: 18px 0 18px; }
.sec-head h2 em { font-style: italic; color: var(--gold); }
.dark .sec-head h2 em { color: var(--gold-l); }
.sec-head p { color: var(--muted); font-size: 1.1rem; margin: 0; }
.dark .sec-head p { color: var(--muted-d); }

/* Feature cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 32px 34px; overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}
.card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold-l), transparent); transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-l); border-color: transparent; }
.card:hover::after { transform: scaleX(1); }
.card .no { position: absolute; right: 26px; top: 20px; font-family: var(--font-d); font-size: 1rem; color: rgba(14, 26, 45, 0.22); font-style: italic; }
.icon-tile {
  width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 26px;
  background: linear-gradient(145deg, var(--navy), var(--navy-3)); color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 12px 24px -12px rgba(9, 17, 31, 0.6);
}
.icon-tile .ic { width: 28px; height: 28px; --ac: var(--gold-l); }
.card .kicker { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); margin-bottom: 10px; display: block; }
.card h3 { font-size: 1.5rem; margin-bottom: 14px; }
.card p { color: var(--muted); font-size: 0.99rem; margin: 0; }

/* Split media block */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split.rev .split-media { order: 2; }
.split-media { position: relative; }
.frame {
  position: relative; border-radius: 22px; overflow: hidden; background: var(--navy-2);
  box-shadow: var(--shadow-l); aspect-ratio: 4 / 3.2;
}
.frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.frame:hover img { transform: scale(1.04); }
.frame::after { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12); pointer-events: none; }
.split-media::before {
  content: ""; position: absolute; inset: 26px -20px -20px 26px; border: 1px solid var(--gold-l); border-radius: 22px; z-index: -1; opacity: 0.7;
}
.split.rev .split-media::before { inset: 26px 26px -20px -20px; }
.split-media .badge {
  position: absolute; left: -18px; bottom: 34px; background: var(--paper); border-radius: 14px; padding: 16px 20px;
  box-shadow: var(--shadow-l); display: flex; gap: 14px; align-items: center; z-index: 2;
}
.badge .ic { color: var(--navy); width: 30px; height: 30px; }
.badge b { display: block; font-family: var(--font-d); font-size: 1.05rem; font-weight: 500; line-height: 1.2; }
.badge small { color: var(--muted); font-size: 0.8rem; }
.split h2 { font-size: clamp(2rem, 3.4vw, 2.8rem); margin: 18px 0 20px; }
.split h2 em { font-style: italic; color: var(--gold); }
.split p { color: var(--muted); }
.checks { margin: 26px 0 32px; display: grid; gap: 14px; }
.checks li { display: flex; gap: 14px; align-items: flex-start; font-weight: 500; }
.checks .ic { width: 22px; height: 22px; color: var(--teal); margin-top: 2px; stroke-width: 1.8; }
.checks span small { display: block; font-weight: 400; color: var(--muted); font-size: 0.93rem; }

/* Solutions */
.solutions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line-d); border-radius: var(--radius); overflow: hidden; }
.sol { padding: 40px 30px 38px; position: relative; transition: background 0.4s var(--ease); }
.sol + .sol { border-left: 1px solid var(--line-d); }
.sol:hover { background: rgba(255, 255, 255, 0.045); }
.sol .ic { width: 42px; height: 42px; color: #fff; margin-bottom: 30px; stroke-width: 1.1; }
.sol h3 { font-size: 1.4rem; margin-bottom: 12px; }
.sol p { color: var(--muted-d); font-size: 0.97rem; margin: 0 0 22px; }
.sol .more { display: inline-flex; align-items: center; gap: 8px; font-size: 0.88rem; font-weight: 600; color: var(--gold-l); }
.sol .more .ic { width: 1.1em; height: 1.1em; margin: 0; stroke: currentColor; transition: transform 0.3s var(--ease); }
.sol:hover .more .ic { transform: translateX(5px); }

/* Environment / specs */
.specs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 8px; }
.spec { padding: 28px 26px; border-radius: var(--radius-s); background: var(--paper); border: 1px solid var(--line); }
.spec .ic { width: 34px; height: 34px; color: var(--navy); margin-bottom: 20px; stroke-width: 1.15; }
.spec h3 { font-family: var(--font-b); font-size: 1.02rem; font-weight: 700; letter-spacing: 0; margin-bottom: 8px; }
.spec p { color: var(--muted); font-size: 0.93rem; margin: 0; line-height: 1.55; }
.spec-note { margin-top: 20px; font-size: 0.86rem; color: var(--muted); text-align: center; }

/* Facilities */
.facilities { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.fac { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 4; background: var(--navy-2); isolation: isolate; }
.fac img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 1.1s var(--ease); }
.fac::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(9, 17, 31, 0.05) 30%, rgba(9, 17, 31, 0.86) 100%); }
.fac:hover img { transform: scale(1.07); }
.fac div { position: absolute; left: 0; right: 0; bottom: 0; padding: 24px; color: #fff; }
.fac .ic { width: 28px; height: 28px; margin-bottom: 14px; color: #fff; --ac: var(--gold-l); }
.fac h3 { font-size: 1.25rem; }

/* Process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: step; position: relative; }
.steps::before { content: ""; position: absolute; left: 6%; right: 6%; top: 29px; height: 1px; background: linear-gradient(90deg, transparent, var(--line-d) 12%, var(--line-d) 88%, transparent); }
.step { position: relative; }
.step .n {
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 26px;
  font-family: var(--font-d); font-size: 1.3rem; font-style: italic; color: var(--gold-l);
  background: var(--navy-2); border: 1px solid rgba(214, 179, 119, 0.5); box-shadow: 0 0 0 8px var(--ink);
}
.step h3 { font-size: 1.25rem; margin-bottom: 10px; }
.step p { color: var(--muted-d); font-size: 0.96rem; margin: 0; }

/* Team */
.team { display: grid; grid-template-columns: repeat(2, minmax(0, 380px)); gap: 32px; justify-content: center; }
.member { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease); }
.member:hover { transform: translateY(-6px); box-shadow: var(--shadow-l); }
.member .ph { aspect-ratio: 545 / 560; background: linear-gradient(145deg, var(--navy-2), var(--navy-3)); overflow: hidden; display: grid; place-items: center; position: relative; }
.member .ph img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.member .ph .ini { position: absolute; font-family: var(--font-d); font-size: 3.4rem; color: var(--gold-l); font-style: italic; }
.member .ph img + .ini { display: none; }
.member .body { padding: 26px 28px 30px; }
.member h3 { font-size: 1.45rem; }
.member .role { color: var(--gold); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin: 8px 0 14px; display: block; }
.member p { color: var(--muted); font-size: 0.95rem; margin: 0 0 16px; }
.member .in { display: inline-flex; align-items: center; gap: 8px; font-size: 0.86rem; font-weight: 600; color: var(--navy); }
.member .in .ic { width: 1.25em; height: 1.25em; }

/* FAQ */
.faq { max-width: 860px; margin-inline: auto; display: grid; gap: 12px; }
.faq details { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-s); transition: box-shadow 0.3s, border-color 0.3s; }
.faq details[open] { box-shadow: var(--shadow); border-color: rgba(169, 128, 63, 0.4); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 22px 26px; font-family: var(--font-d); font-size: 1.2rem; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { width: 22px; height: 22px; transition: transform 0.35s var(--ease); color: var(--gold); }
.faq details[open] summary .ic { transform: rotate(45deg); }
.faq .ans { padding: 0 26px 24px; color: var(--muted); }
.faq .ans p:last-child { margin: 0; }

/* CTA band + contact */
.cta-band { padding: 0 0 112px; }
.cta {
  position: relative; overflow: hidden; border-radius: 28px; padding: 72px 64px; color: #fff; isolation: isolate;
  background: radial-gradient(600px 300px at 90% 0%, rgba(214, 179, 119, 0.28), transparent 70%), linear-gradient(135deg, var(--navy), var(--navy-3));
  display: grid; grid-template-columns: 1.3fr auto; gap: 40px; align-items: center;
  box-shadow: var(--shadow-l);
}
.cta::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.35; background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px); background-size: 48px 48px; -webkit-mask-image: linear-gradient(100deg, transparent 30%, #000); mask-image: linear-gradient(100deg, transparent 30%, #000); }
.cta h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin: 14px 0 12px; }
.cta p { color: rgba(255, 255, 255, 0.78); margin: 0; max-width: 34em; }
.cta .eyebrow { color: var(--gold-l); }

.contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.contact-list { display: grid; gap: 22px; margin-top: 36px; }
.contact-list li { display: flex; gap: 18px; align-items: flex-start; }
.contact-list .icon-tile { width: 52px; height: 52px; margin: 0; border-radius: 14px; flex: none; }
.contact-list .icon-tile .ic { width: 24px; height: 24px; }
.contact-list small { display: block; color: var(--muted-d); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600; margin-bottom: 2px; }
.contact-list a:hover { color: var(--gold-l); }
.form { background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line-d); border-radius: var(--radius); padding: 38px; display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 8px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em; color: var(--muted-d); }
.form input, .form textarea {
  font: inherit; font-size: 1rem; color: #fff; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line-d); border-radius: 12px; padding: 14px 16px;
  transition: border-color 0.2s, background 0.2s;
}
.form input::placeholder, .form textarea::placeholder { color: rgba(255, 255, 255, 0.35); }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--gold-l); background: rgba(255, 255, 255, 0.09); }
.form textarea { min-height: 130px; resize: vertical; }
.form .fine { font-size: 0.8rem; color: var(--muted-d); margin: 0; }

/* Page hero (inner pages) */
.page-hero { position: relative; isolation: isolate; overflow: hidden; color: #fff; padding: 168px 0 88px; background: radial-gradient(800px 400px at 85% 0%, rgba(47, 111, 126, 0.35), transparent 62%), linear-gradient(160deg, var(--ink), var(--navy-2)); }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.4; background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px); background-size: 64px 64px; -webkit-mask-image: linear-gradient(180deg, #000, transparent); mask-image: linear-gradient(180deg, #000, transparent); }
.crumbs { display: flex; gap: 10px; font-size: 0.86rem; color: var(--muted-d); margin-bottom: 22px; }
.crumbs a:hover { color: #fff; }
.crumbs li + li::before { content: "/"; margin-right: 10px; opacity: 0.5; }
.page-hero h1 { font-size: clamp(2.4rem, 5vw, 3.9rem); font-weight: 400; max-width: 16em; }
.page-hero h1 em { font-style: italic; color: var(--gold-l); }
.page-hero p { color: rgba(255, 255, 255, 0.78); font-size: 1.12rem; max-width: 40em; margin: 22px 0 0; }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.principle { padding: 36px 36px 8px 0; }
.principle + .principle { padding-left: 36px; border-left: 1px solid var(--line); }
.principle .ic { width: 36px; height: 36px; color: var(--navy); margin-bottom: 22px; stroke-width: 1.1; }
.principle h3 { font-size: 1.3rem; margin-bottom: 10px; }
.principle p { color: var(--muted); font-size: 0.97rem; }

.video { position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 16 / 9; background: var(--ink); box-shadow: var(--shadow-l); }
.video img, .video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; object-fit: cover; }
.video .play { position: absolute; inset: 0; display: grid; place-items: center; cursor: pointer; background: linear-gradient(180deg, rgba(9, 17, 31, 0.15), rgba(9, 17, 31, 0.6)); border: 0; width: 100%; }
.video .play span { width: 86px; height: 86px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, 0.14); border: 1px solid rgba(255, 255, 255, 0.5); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); transition: transform 0.3s var(--ease), background 0.3s; }
.video .play:hover span { transform: scale(1.08); background: rgba(214, 179, 119, 0.4); }
.video .play svg { width: 30px; height: 30px; fill: #fff; margin-left: 4px; }

/* Footer */
.site-footer { background: var(--ink); color: #fff; padding: 88px 0 34px; }
.foot { display: grid; grid-template-columns: 1.5fr 0.8fr 0.8fr 1.1fr; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid var(--line-d); }
.foot img { height: 46px; width: auto; margin-bottom: 22px; }
.foot p { color: var(--muted-d); font-size: 0.96rem; max-width: 26em; }
.foot h4 { font-family: var(--font-b); font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold-l); margin-bottom: 20px; font-weight: 700; }
.foot li { margin-bottom: 11px; }
.foot li a { color: rgba(255, 255, 255, 0.78); font-size: 0.95rem; transition: color 0.2s; }
.foot li a:hover { color: #fff; }
.foot address { font-style: normal; color: rgba(255, 255, 255, 0.78); font-size: 0.95rem; line-height: 1.7; }
.foot address a:hover { color: #fff; }
.socials { display: flex; gap: 10px; margin-top: 26px; }
.socials a { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line-d); transition: background 0.25s, border-color 0.25s, transform 0.25s var(--ease); }
.socials a:hover { background: rgba(214, 179, 119, 0.18); border-color: var(--gold-l); transform: translateY(-3px); }
.socials .ic { width: 20px; height: 20px; stroke-width: 1.4; }
.legal { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 30px; font-size: 0.86rem; color: var(--muted-d); }

/* Floating WhatsApp */
.fab { position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; color: var(--ink); background: linear-gradient(135deg, #e0c18a, #c39a55); box-shadow: 0 14px 34px -8px rgba(9, 17, 31, 0.55); transition: transform 0.3s var(--ease); }
.fab:hover { transform: translateY(-4px) scale(1.04); }
.fab .ic { width: 28px; height: 28px; stroke: var(--ink); stroke-width: 1.5; --ac: var(--ink); }

/* Reveal on scroll (only when JS is available) */
.js .rv { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.js .rv.in { opacity: 1; transform: none; }
.js .rv.d1 { transition-delay: 0.08s; } .js .rv.d2 { transition-delay: 0.16s; } .js .rv.d3 { transition-delay: 0.24s; }

/* 404 */
.nf { min-height: 100vh; display: grid; place-items: center; text-align: center; color: #fff; padding: 120px 24px; background: radial-gradient(700px 400px at 50% 0%, rgba(47, 111, 126, 0.35), transparent 65%), linear-gradient(160deg, var(--ink), var(--navy-2)); }
.nf .big { font-family: var(--font-d); font-style: italic; font-size: clamp(6rem, 18vw, 11rem); line-height: 1; color: var(--gold-l); }
.nf p { color: var(--muted-d); max-width: 28em; margin: 14px auto 34px; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .solutions { grid-template-columns: repeat(2, 1fr); }
  .sol:nth-child(3) { border-left: 0; }
  .sol:nth-child(n+3) { border-top: 1px solid var(--line-d); }
  .specs, .facilities { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .steps::before { display: none; }
  .foot { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .menu {
    position: fixed; inset: 0 0 auto 0; top: 0; padding: 96px 24px 32px; flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(9, 17, 31, 0.97); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    transform: translateY(-102%); transition: transform 0.45s var(--ease); z-index: -1; box-shadow: var(--shadow-l);
  }
  .menu.open { transform: none; }
  .menu a.link { padding: 14px 16px; font-size: 1.05rem; }
  .menu .btn { justify-content: center; margin-top: 12px; }
  .nav-toggle { position: relative; z-index: 2; }
  .hero { padding: 140px 0 80px; }
  .hero-grid, .split, .contact { grid-template-columns: 1fr; gap: 48px; }
  .hero-art { max-width: 460px; margin-inline: auto; order: -1; }
  .split.rev .split-media { order: 0; }
  .split-media .badge { left: 14px; }
  .pillars { grid-template-columns: repeat(2, 1fr); row-gap: 22px; margin-top: 56px; }
  .pillar:nth-child(3) { padding-left: 0; border-left: 0; }
  .principles { grid-template-columns: 1fr; }
  .principle, .principle + .principle { padding: 28px 0 8px; border-left: 0; }
  .principle + .principle { border-top: 1px solid var(--line); }
  .cta { grid-template-columns: 1fr; padding: 52px 32px; }
  .section { padding: 84px 0; }
}
@media (max-width: 640px) {
  .wrap { width: min(100% - 36px, var(--maxw)); }
  .cards, .solutions, .specs, .steps, .team { grid-template-columns: 1fr; }
  .facilities { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .fac div { padding: 16px; } .fac h3 { font-size: 1.05rem; }
  .sol + .sol, .sol:nth-child(3) { border-left: 0; border-top: 1px solid var(--line-d); }
  .form { padding: 26px 22px; } .form .row { grid-template-columns: 1fr; }
  .foot { grid-template-columns: 1fr; gap: 36px; }
  .pillar { padding-right: 12px; } .pillar + .pillar { padding-left: 14px; }
  .pillar .ic { width: 28px; height: 28px; }
  .pillar span { display: none; }
  .pillar { align-items: flex-start; }
  .hero-cta .btn { flex: 1 1 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .rv { opacity: 1; transform: none; }
}