/* ============================================================
   PIXEL SPACE — Futuristic AI Home
   ============================================================ */
:root {
  --bg-0: #03060e;
  --bg-1: #060b18;
  --bg-2: #0a1122;
  --panel: rgba(12, 20, 40, 0.55);
  --line: rgba(130, 175, 255, 0.14);
  --line-strong: rgba(130, 175, 255, 0.28);

  --cyan: #34e4ff;
  --blue: #4f7cff;
  --violet: #8b5cf6;
  --pink: #ff4ecd;
  --text: #dce6f8;
  --muted: #8fa2c5;

  --font-display: "Orbitron", "Space Grotesk", system-ui, sans-serif;
  --font-body: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 18px;
  --glow-cyan: 0 0 24px rgba(52, 228, 255, 0.45);
  --glow-violet: 0 0 26px rgba(139, 92, 246, 0.5);
  --grad-main: linear-gradient(100deg, var(--cyan) 0%, var(--blue) 40%, var(--violet) 75%, var(--pink) 110%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(52, 228, 255, 0.28); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--cyan), var(--violet));
  border-radius: 8px;
  border: 2px solid var(--bg-0);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------- Ambient background ---------- */
.bg { position: fixed; inset: 0; z-index: -2; background: radial-gradient(120% 90% at 50% 0%, #081227 0%, var(--bg-0) 55%); overflow: hidden; }

.aurora { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; will-change: transform, opacity; }
.aurora-1 { width: 55vw; height: 55vw; left: -12vw; top: -16vw; background: radial-gradient(circle, rgba(52, 228, 255, 0.5), transparent 65%); animation: drift1 22s ease-in-out infinite alternate; }
.aurora-2 { width: 50vw; height: 50vw; right: -14vw; top: 8vh; background: radial-gradient(circle, rgba(139, 92, 246, 0.55), transparent 65%); animation: drift2 26s ease-in-out infinite alternate; }
.aurora-3 { width: 42vw; height: 42vw; left: 22vw; bottom: -20vw; background: radial-gradient(circle, rgba(255, 78, 205, 0.32), transparent 65%); animation: drift3 30s ease-in-out infinite alternate; }

@keyframes drift1 { to { transform: translate(8vw, 6vh) scale(1.12); } }
@keyframes drift2 { to { transform: translate(-7vw, 10vh) scale(1.08); } }
@keyframes drift3 { to { transform: translate(6vw, -8vh) scale(1.15); } }

.scanlines {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
  pointer-events: none;
}

#nebula { position: fixed; inset: 0; z-index: -1; width: 100%; height: 100%; pointer-events: none; }

/* ---------- Cursor ---------- */
.cursor-dot, .cursor-ring { position: fixed; top: 0; left: 0; z-index: 999; pointer-events: none; border-radius: 50%; transform: translate(-50%, -50%); }
.cursor-dot { width: 6px; height: 6px; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.cursor-ring { width: 34px; height: 34px; border: 1px solid rgba(52, 228, 255, 0.65); transition: width 0.2s, height 0.2s, border-color 0.2s; }
.cursor-ring.hover { width: 52px; height: 52px; border-color: rgba(255, 78, 205, 0.8); }
@media (hover: none), (pointer: coarse) { .cursor-dot, .cursor-ring { display: none; } }

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 1000;
  display: grid; place-items: center;
  background: radial-gradient(90% 90% at 50% 50%, #081228 0%, var(--bg-0) 75%);
  transition: opacity 0.65s ease, visibility 0.65s;
}
.preloader.done { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { text-align: center; }
.preloader-mark { position: relative; width: 74px; height: 74px; margin: 0 auto 18px; }
.preloader-mark .orbit { position: absolute; inset: 0; border: 1px solid rgba(52, 228, 255, 0.5); border-radius: 50%; }
.preloader-mark .orbit::after { content: ""; position: absolute; top: -4px; left: 50%; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.preloader-mark .orbit-b { transform: rotate(60deg); border-color: rgba(139, 92, 246, 0.55); animation: spin-b 2.4s linear infinite; }
.preloader-mark .orbit-b::after { background: var(--pink); box-shadow: 0 0 12px var(--pink); }
.preloader-mark .core { position: absolute; inset: 26px; border-radius: 50%; background: radial-gradient(circle, #fff, var(--cyan)); box-shadow: var(--glow-cyan); animation: core-pulse 1.6s ease-in-out infinite; }
@keyframes spin-b { to { transform: rotate(420deg); } }
@keyframes core-pulse { 50% { transform: scale(0.82); } }
.preloader-word { font-family: var(--font-display); letter-spacing: 0.42em; font-size: 0.95rem; color: var(--text); }
.preloader-bar { width: 210px; height: 2px; margin: 18px auto 0; background: rgba(130, 175, 255, 0.15); border-radius: 2px; overflow: hidden; }
.preloader-bar span { display: block; height: 100%; width: 0; background: var(--grad-main); box-shadow: var(--glow-cyan); animation: boot 1.25s ease forwards; }
@keyframes boot { to { width: 100%; } }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  transition: background 0.35s, border-color 0.35s, padding 0.35s, backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding-top: 12px; padding-bottom: 12px;
  background: rgba(5, 9, 20, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 148px; flex: none; height: auto; transform: translateZ(0); -webkit-transform: translateZ(0); }
@keyframes float-logo { 50% { transform: translateY(-3px); } }
.brand-name { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.16em; font-size: 1rem; }
.brand-accent { background: linear-gradient(90deg, var(--cyan), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; margin-left: 0.18em; }
.nav-links { display: flex; gap: clamp(18px, 2.5vw, 34px); }
.nav-links a { position: relative; font-size: 0.92rem; color: var(--muted); transition: color 0.25s; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px; background: var(--grad-main); transition: width 0.3s; }
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-burger span { display: block; width: 24px; height: 2px; background: var(--text); transition: transform 0.3s, opacity 0.3s; }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  font-family: var(--font-body); letter-spacing: 0.02em; cursor: pointer;
  border: 1px solid transparent; transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.btn-primary { background: var(--grad-main); color: #04101c; box-shadow: var(--glow-cyan); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 34px rgba(52, 228, 255, 0.55), 0 0 22px rgba(139, 92, 246, 0.45); }
.btn-outline { border-color: var(--line-strong); color: var(--cyan); background: rgba(52, 228, 255, 0.05); }
.btn-outline:hover { border-color: var(--cyan); box-shadow: var(--glow-cyan); transform: translateY(-2px); }
.btn-ghost { padding: 9px 20px; font-size: 0.85rem; border-color: var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--violet); box-shadow: var(--glow-violet); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 140px clamp(20px, 4vw, 56px) 110px; overflow: hidden; }
.hero-grid {
  position: absolute; inset: auto 0 0; height: 46%;
  background-image: linear-gradient(rgba(52, 228, 255, 0.16) 1px, transparent 1px), linear-gradient(90deg, rgba(52, 228, 255, 0.16) 1px, transparent 1px);
  background-size: 54px 54px;
  transform: perspective(600px) rotateX(62deg) scale(1.8);
  transform-origin: bottom center;
  -webkit-mask-image: linear-gradient(transparent, #000 30%, #000);
  mask-image: linear-gradient(transparent, #000 30%, #000);
  opacity: 0.55;
  animation: grid-move 14s linear infinite;
}
@keyframes grid-move { to { background-position-y: 54px; } }

.hero-content { position: relative; max-width: 940px; }
.hero-logo img { width: clamp(240px, 30vw, 340px); height: auto; margin: 0 auto 26px; filter: drop-shadow(0 0 30px rgba(52, 228, 255, 0.35)); animation: float-logo 6s ease-in-out infinite; }

.hero-kicker { display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px; border: 1px solid var(--line-strong); border-radius: 999px; background: rgba(9, 16, 34, 0.5); font-size: 0.82rem; letter-spacing: 0.32em; text-transform: uppercase; color: var(--muted); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); margin-bottom: 28px; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.25; transform: scale(0.7); } }

.hero-title { font-family: var(--font-display); font-weight: 900; line-height: 0.98; margin-bottom: 26px; }
.title-line { display: block; font-size: clamp(3.2rem, 12vw, 8.4rem); letter-spacing: 0.08em; }
.title-1 { background: linear-gradient(180deg, #fff 20%, var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 0 24px rgba(52, 228, 255, 0.35)); }
.title-2 { background: linear-gradient(100deg, var(--violet), var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 0 24px rgba(139, 92, 246, 0.4)); animation: hue-shift 7s ease-in-out infinite alternate; }
@keyframes hue-shift { to { filter: drop-shadow(0 0 34px rgba(255, 78, 205, 0.45)) hue-rotate(18deg); } }

.hero-typed { font-size: clamp(1.05rem, 2.5vw, 1.4rem); color: var(--text); min-height: 2em; letter-spacing: 0.05em; margin-bottom: 18px; }
.type-caret { color: var(--cyan); font-weight: 300; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-sub { max-width: 640px; margin: 0 auto 34px; color: var(--muted); font-size: clamp(1rem, 1.7vw, 1.12rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

.scroll-hint { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; }
.mouse { width: 24px; height: 40px; border: 1.5px solid var(--line-strong); border-radius: 14px; display: flex; justify-content: center; padding-top: 7px; }
.wheel { width: 3px; height: 7px; border-radius: 3px; background: var(--cyan); animation: wheel 1.7s ease-in-out infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { transform: translateY(0); opacity: 0; } }
.scroll-text { font-size: 0.62rem; letter-spacing: 0.42em; color: var(--muted); }

/* ---------- Marquee ---------- */
.marquee { position: relative; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(7, 12, 26, 0.45); overflow: hidden; padding: 18px 0; }
.marquee::before, .marquee::after { content: ""; position: absolute; top: 0; bottom: 0; width: 12vw; z-index: 2; pointer-events: none; }
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg-0), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--bg-0), transparent); }
.marquee-track { display: flex; align-items: center; gap: 44px; width: max-content; animation: marquee 30s linear infinite; will-change: transform; }
.marquee-track span { font-family: var(--font-display); font-size: 0.82rem; letter-spacing: 0.28em; color: var(--muted); white-space: nowrap; }
.marquee-track i { color: var(--cyan); font-style: normal; font-size: 0.7rem; text-shadow: 0 0 10px var(--cyan); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { position: relative; padding: clamp(90px, 12vh, 150px) clamp(20px, 4vw, 56px); max-width: 1260px; margin: 0 auto; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto clamp(52px, 7vw, 84px); }
.section-eyebrow { font-family: var(--font-display); color: var(--cyan); font-size: 0.78rem; letter-spacing: 0.4em; margin-bottom: 16px; text-shadow: 0 0 16px rgba(52, 228, 255, 0.4); }
.section-title { font-family: var(--font-display); font-size: clamp(1.8rem, 4.6vw, 3.1rem); line-height: 1.15; font-weight: 700; margin-bottom: 18px; }
.grad-text { background: var(--grad-main); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-desc { color: var(--muted); font-size: 1.04rem; }

/* ---------- Rendering budget (skip off-screen work) ---------- */
.stats, .marquee, .section, .footer { content-visibility: auto; contain-intrinsic-size: auto 900px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1160px; margin: clamp(70px, 9vw, 120px) auto 0; padding: 0 clamp(20px, 4vw, 56px); }
.stat { position: relative; text-align: center; padding: 36px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, rgba(17, 27, 52, 0.45), rgba(7, 12, 26, 0.45)); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); overflow: hidden; }
.stat::before { content: ""; position: absolute; inset: 0 0 auto; height: 2px; background: var(--grad-main); opacity: 0.7; }
.stat-value { display: block; font-family: var(--font-display); font-size: clamp(1.7rem, 3.4vw, 2.6rem); font-weight: 700; background: linear-gradient(120deg, #fff, var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 6px; }
.stat-label { color: var(--muted); font-size: 0.86rem; letter-spacing: 0.14em; text-transform: uppercase; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 34px 28px 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); overflow: hidden; transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s; will-change: transform; }
.card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(52, 228, 255, 0.12), transparent 45%); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.card:hover::before { opacity: 1; }
.card::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--grad-main); transform: scaleX(0); transform-origin: left; transition: transform 0.45s; }
.card:hover { border-color: var(--line-strong); box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45), 0 0 34px rgba(52, 228, 255, 0.14); transform: translateY(-6px); }
.card:hover::after { transform: scaleX(1); }
.card-icon { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 15px; border: 1px solid var(--line-strong); background: rgba(52, 228, 255, 0.06); color: var(--cyan); box-shadow: inset 0 0 18px rgba(52, 228, 255, 0.08); }
.card-icon svg { width: 28px; height: 28px; }
.card h3 { font-family: var(--font-display); font-size: 1.12rem; letter-spacing: 0.05em; }
.card p { color: var(--muted); font-size: 0.95rem; flex: 1; }
.card-link { color: var(--cyan); font-size: 0.9rem; font-weight: 600; letter-spacing: 0.04em; }
.card-link .arrow { display: inline-block; transition: transform 0.3s; }
.card:hover .arrow { transform: translateX(5px); }
.cards .card:nth-child(1) .card-icon { color: var(--cyan); }
.cards .card:nth-child(2) .card-icon { color: var(--violet); }
.cards .card:nth-child(3) .card-icon { color: var(--pink); }
.cards .card:nth-child(4) .card-icon { color: var(--violet); }
.cards .card:nth-child(5) .card-icon { color: var(--pink); }
.cards .card:nth-child(6) .card-icon { color: var(--cyan); }

/* ---------- Platform ---------- */
.platform { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; margin-top: clamp(30px, 5vw, 60px); }
.platform-visual { display: grid; place-items: center; animation: float-soft 7s ease-in-out infinite; }
@keyframes float-soft { 50% { transform: translateY(-12px); } }
.hex-svg { width: min(100%, 540px); height: auto; filter: drop-shadow(0 0 34px rgba(52, 228, 255, 0.24)); }
.hex-orbit { transform-origin: 240px 240px; }
.hex-core-glow { animation: core-pulse-lg 3s ease-in-out infinite; transform-origin: 240px 240px; }
@keyframes core-pulse-lg { 50% { transform: scale(1.25); } }
.platform-copy .section-title { margin-bottom: 20px; }
.feature-list { list-style: none; margin: 26px 0 34px; display: grid; gap: 14px; }
.feature-list li { display: flex; align-items: center; gap: 12px; color: var(--text); font-size: 0.98rem; }
.tick { display: grid; place-items: center; width: 22px; height: 22px; flex: none; border-radius: 50%; background: rgba(52, 228, 255, 0.12); border: 1px solid rgba(52, 228, 255, 0.5); color: var(--cyan); font-size: 0.72rem; box-shadow: 0 0 12px rgba(52, 228, 255, 0.25); }

/* ---------- CTA ---------- */
.cta { max-width: 1000px; }
.cta-box { position: relative; text-align: center; padding: clamp(54px, 7vw, 88px) clamp(26px, 5vw, 72px); border: 1px solid var(--line-strong); border-radius: 26px; background: linear-gradient(160deg, rgba(16, 26, 52, 0.7), rgba(7, 12, 26, 0.6)); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); overflow: hidden; }
.cta-box::before { content: ""; position: absolute; inset: -40% -20% auto; height: 180px; background: radial-gradient(closest-side, rgba(52, 228, 255, 0.25), transparent); animation: cta-pulse 5s ease-in-out infinite alternate; }
@keyframes cta-pulse { from { transform: translateY(-8%); opacity: 0.6; } to { transform: translateY(12%); opacity: 1; } }
.cta-title { font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.6rem); margin: 0 0 12px; position: relative; }
.cta-text { color: var(--muted); margin-bottom: 30px; position: relative; }
.cta-box .hero-actions { position: relative; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 680px; margin: 0 auto 24px; position: relative; }
.contact-card { display: flex; flex-direction: column; gap: 4px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(9, 16, 34, 0.62); transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s; text-align: left; }
.contact-card:hover { border-color: var(--cyan); box-shadow: 0 0 22px rgba(52, 228, 255, 0.18); transform: translateY(-3px); }
.contact-label { font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--cyan); }
.contact-value { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; color: var(--text); letter-spacing: 0.04em; }
.cta-address { position: relative; margin-bottom: 26px; }
.cta-address a { color: var(--muted); font-size: 0.95rem; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: rgba(52, 228, 255, 0.35); transition: color 0.25s; }
.cta-address a:hover { color: var(--text); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); background: rgba(4, 7, 15, 0.7); padding: clamp(46px, 6vw, 66px) clamp(20px, 4vw, 56px) 28px; }
.footer-main { max-width: 1160px; margin: 0 auto; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 38px; }
.footer-brand .brand-logo { width: 138px; }
.footer-brand p { color: var(--muted); margin-top: 14px; font-size: 0.92rem; max-width: 280px; }
.footer-col { display: flex; flex-direction: column; gap: 11px; }
.footer-col h4 { font-family: var(--font-display); font-size: 0.76rem; letter-spacing: 0.3em; color: var(--cyan); margin-bottom: 10px; }
.footer-col a { color: var(--muted); font-size: 0.93rem; transition: color 0.25s, transform 0.25s; width: fit-content; }
.footer-col a:hover { color: var(--text); transform: translateX(4px); }
.footer-bar { max-width: 1160px; margin: 0 auto; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 0.82rem; letter-spacing: 0.06em; }
.footer-domain { color: var(--cyan); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in { opacity: 1; transform: none; }
.cards .card:nth-child(2) { transition-delay: 0.08s; }
.cards .card:nth-child(3) { transition-delay: 0.16s; }
.cards .card:nth-child(4) { transition-delay: 0.24s; } /* overridden by .in */
.cards .card:nth-child(5) { transition-delay: 0.32s; }
.cards .card:nth-child(6) { transition-delay: 0.4s; }

/* ---------- Mobile menu ---------- */
@media (max-width: 900px) {
  /* Mobile GPU / repaint budget: lighter blur, fewer animated layers */
  .aurora { filter: blur(46px); opacity: 0.4; }
  .aurora-3 { display: none; }
  .scanlines { opacity: 0.35; }
  .hero-grid { animation: none; }
  .platform-visual, .hero-logo img, .title-2, .cta-box::before { animation: none; }
  .nav.scrolled { background: rgba(4, 7, 15, 0.94); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .nav-links.open { background: rgba(4, 7, 15, 0.98); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .hero-kicker, .stat, .card, .cta-box { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .stat { background: linear-gradient(180deg, rgba(13, 21, 44, 0.94), rgba(6, 10, 22, 0.94)); }
  .card { background: rgba(11, 19, 40, 0.9); }
  .cta-box { background: linear-gradient(160deg, rgba(14, 22, 44, 0.94), rgba(6, 10, 22, 0.94)); }
  .reveal { transition-duration: 0.55s; }

  .nav-links {
    position: fixed; inset: 0; flex-direction: column; align-items: center; justify-content: center; gap: 26px;
    background: rgba(4, 7, 15, 0.95); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
    transform: translateY(-100%); transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1); z-index: -1;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { font-size: 1.25rem; font-family: var(--font-display); letter-spacing: 0.18em; }
  .nav-cta { display: none; }
  .nav-burger { display: flex; z-index: 210; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .platform { grid-template-columns: 1fr; }
  .platform-visual { order: -1; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .brand-logo { width: 116px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 15px 18px; }
  .cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 14px; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; }
  .hero-actions .btn { width: 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .aurora, .hero-grid, .marquee-track, .platform-visual, .hero-logo img,
  .brand-logo, .title-2, .cta-box::before, .preloader-bar span {
    animation: none !important;
  }
  /* Keep tiny, tasteful cues alive so the page never looks frozen. */
  .orbit-b, .core, .pulse-dot, .wheel, .type-caret, .hex-core-glow {
    animation-duration: 2.2s !important;
  }
}