/* ============================================
   XINKUN JUYING · Light Tech Design System
   Aurora gradients · Perspective grid · Glass
   ============================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Space Grotesk', sans-serif;
  background: #f6f8fc;
  color: #0f1b33;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
::selection { background: rgba(59, 130, 246, 0.2); }

/* ---------- Color Tokens (Light Theme) ---------- */
:root {
  --bg: #f6f8fc;
  --bg-soft: #eef2f9;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --border: rgba(15, 27, 51, 0.08);
  --border-strong: rgba(15, 27, 51, 0.14);
  --text: #0f1b33;
  --text-dim: #5a6478;
  --text-faint: #8b94a8;
  --accent: #2563eb;        /* electric blue */
  --accent-2: #7c3aed;      /* violet */
  --accent-3: #06b6d4;      /* cyan */
  --grad: linear-gradient(120deg, #2563eb 0%, #06b6d4 50%, #7c3aed 100%);
  --grad-text: linear-gradient(120deg, #2563eb 0%, #0891b2 55%, #7c3aed 100%);
  --shadow-sm: 0 2px 8px rgba(15, 27, 51, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 27, 51, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 27, 51, 0.12);
  --shadow-glow: 0 0 0 1px rgba(37, 99, 235, 0.08), 0 20px 50px rgba(37, 99, 235, 0.15);
  --radius: 20px;
  --radius-sm: 12px;
}

/* ---------- Aurora Background ---------- */
.aurora {
  position: fixed; inset: -20%;
  z-index: -2; pointer-events: none;
  background:
    radial-gradient(45% 40% at 20% 15%, rgba(37, 99, 235, 0.16), transparent 70%),
    radial-gradient(40% 45% at 80% 10%, rgba(124, 58, 237, 0.12), transparent 70%),
    radial-gradient(45% 50% at 70% 85%, rgba(6, 182, 212, 0.12), transparent 70%),
    radial-gradient(35% 40% at 15% 80%, rgba(59, 130, 246, 0.10), transparent 70%);
  animation: auroraDrift 24s ease-in-out infinite alternate;
}
@keyframes auroraDrift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(3%, -2%) scale(1.05); }
  100% { transform: translate(-3%, 2%) scale(1.02); }
}

/* ---------- Perspective Grid Floor ---------- */
.grid-floor {
  position: fixed; left: 0; right: 0; bottom: 0; height: 42vh;
  z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.10) 1px, transparent 1px);
  background-size: 44px 44px;
  transform: perspective(500px) rotateX(62deg);
  transform-origin: bottom;
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.55), transparent 85%);
  mask-image: linear-gradient(to top, rgba(0,0,0,0.55), transparent 85%);
}

/* ---------- Dot Texture ---------- */
.dot-texture {
  position: fixed; inset: 0;
  z-index: -1; pointer-events: none;
  background-image: radial-gradient(rgba(15, 27, 51, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(60% 55% at 50% 35%, rgba(0,0,0,0.5), transparent);
  mask-image: radial-gradient(60% 55% at 50% 35%, rgba(0,0,0,0.5), transparent);
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: var(--grad);
  z-index: 999; border-radius: 0 3px 3px 0;
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.6);
}

/* ---------- Cursor Glow ---------- */
.cursor-glow {
  position: fixed; width: 560px; height: 560px;
  border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.09) 0%, rgba(6, 182, 212, 0.05) 35%, transparent 65%);
  transform: translate(-50%, -50%);
  transition: opacity .4s;
  left: 50vw; top: 30vh;
}

/* Mobile menu backdrop */
.nav-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(15, 27, 51, 0.3);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.nav-backdrop.show { opacity: 1; visibility: visible; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  z-index: 100; width: min(1160px, calc(100% - 32px));
  padding: 10px 10px 10px 22px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(18px) saturate(1.6);
  -webkit-backdrop-filter: blur(18px) saturate(1.6);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, background .3s;
}
.nav.scrolled { box-shadow: var(--shadow-md); background: rgba(255,255,255,0.8); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; letter-spacing: .01em; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad); color: #fff; font-size: 1rem;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  font-size: .88rem; color: var(--text-dim); font-weight: 500;
  padding: 8px 14px; border-radius: 100px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--text); background: rgba(37, 99, 235, 0.08); }
.nav-cta {
  background: var(--text); color: #fff !important;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(15, 27, 51, 0.2);
  transition: transform .2s, box-shadow .2s !important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(15, 27, 51, 0.28); background: var(--text) !important; }

/* Nav AI Portal button (glowing gradient) */
.nav-portal {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 16px; border-radius: 100px;
  background: linear-gradient(120deg, #2563eb, #06b6d4, #7c3aed, #2563eb);
  background-size: 300% 300%;
  color: #fff !important; font-weight: 600; font-size: .88rem;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.4);
  animation: gradShift 5s ease infinite, portalPulse 2.6s ease-in-out infinite;
  transition: transform .2s, box-shadow .2s !important;
}
.nav-portal:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 8px 28px rgba(37, 99, 235, 0.55); background-position: 100% 50% !important; }
.nav-portal svg { opacity: .9; }
@keyframes portalPulse {
  0%, 100% { box-shadow: 0 4px 18px rgba(37, 99, 235, 0.4); }
  50% { box-shadow: 0 4px 26px rgba(6, 182, 212, 0.6); }
}
.portal-dot {
  width: 7px; height: 7px; border-radius: 50%; background: #fff;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  animation: livePulse 2s infinite;
}
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 140px 0 80px;
  z-index: 1;
}
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 1fr;
  gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 16px; border-radius: 100px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border-strong);
  font-size: .82rem; color: var(--text-dim); font-weight: 500;
  margin-bottom: 28px; box-shadow: var(--shadow-sm);
}
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
  animation: livePulse 2s infinite;
}
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.hero-title {
  font-size: clamp(2.6rem, 5.2vw, 4.4rem);
  font-weight: 700; line-height: 1.08;
  letter-spacing: -.03em; margin-bottom: 26px;
}
.hero-title .grad-word {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.typing-wrap {
  display: inline-flex; align-items: baseline;
}
.typing-caret {
  display: inline-block; width: 4px; height: .95em;
  background: linear-gradient(180deg, #2563eb, #7c3aed);
  margin-left: 6px; border-radius: 2px;
  animation: caretBlink 1s step-end infinite;
  transform: translateY(2px);
}
@keyframes caretBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: var(--text-dim); max-width: 520px; margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 100px;
  font-size: .93rem; font-weight: 600; cursor: pointer;
  transition: all .25s; border: none; position: relative;
}
.btn-primary {
  background: var(--grad); color: #fff;
  background-size: 180% 180%;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
  animation: gradShift 6s ease infinite;
}
@keyframes gradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(37, 99, 235, 0.45); }
.btn-primary svg { transition: transform .25s; }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.7); color: var(--text);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }

/* Hero AI Portal button (primary glowing) */
.btn-portal {
  background: linear-gradient(120deg, #7c3aed, #2563eb, #06b6d4, #7c3aed);
  background-size: 300% 300%;
  color: #fff;
  animation: gradShift 5s ease infinite, portalPulse 2.6s ease-in-out infinite;
  box-shadow: 0 8px 26px rgba(124, 58, 237, 0.4);
  position: relative;
}
.btn-portal:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 14px 38px rgba(124, 58, 237, 0.55); background-position: 100% 50%; }
.btn-portal svg { filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.6)); }

/* ---------- Hero Orbital Visual ---------- */
.hero-visual { position: relative; height: 520px; }
.orbit-stage { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.orbit {
  position: absolute; border-radius: 50%;
  border: 1px dashed rgba(37, 99, 235, 0.22);
}
.orbit-1 { width: 200px; height: 200px; animation: spin 16s linear infinite; }
.orbit-2 { width: 320px; height: 320px; animation: spin 28s linear infinite reverse; }
.orbit-3 { width: 440px; height: 440px; animation: spin 44s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.orbit-node {
  position: absolute; width: 14px; height: 14px; border-radius: 50%;
  background: var(--surface-solid);
  border: 3px solid var(--accent);
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.45);
}
.orbit-1 .orbit-node:nth-child(1) { top: -7px; left: 50%; margin-left: -7px; }
.orbit-1 .orbit-node:nth-child(2) { bottom: -7px; left: 50%; margin-left: -7px; }
.orbit-2 .orbit-node:nth-child(1) { top: -7px; left: 50%; margin-left: -7px; }
.orbit-2 .orbit-node:nth-child(2) { bottom: -7px; left: 50%; margin-left: -7px; }
.orbit-3 .orbit-node:nth-child(1) { top: -7px; left: 50%; margin-left: -7px; }
.orbit-3 .orbit-node:nth-child(2) { bottom: -7px; left: 50%; margin-left: -7px; }
.orbit-core {
  width: 130px; height: 130px; border-radius: 28px;
  background: var(--surface-solid);
  box-shadow: var(--shadow-glow);
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 2;
  animation: coreFloat 6s ease-in-out infinite;
}
@keyframes coreFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(1.5deg); }
}
.orbit-core .core-icon { width: 56px; height: 56px; color: var(--accent); }
.core-ring {
  position: absolute; inset: -18px; border-radius: 40px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  animation: coreFloat 6s ease-in-out infinite reverse;
}
/* floating chips */
.chip {
  position: absolute; z-index: 3;
  display: flex; flex-direction: column; gap: 2px;
  padding: 12px 18px; border-radius: 14px;
  background: var(--surface);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  animation: chipFloat 5s ease-in-out infinite;
}
@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.chip-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.15rem; font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.chip-label { font-size: .72rem; color: var(--text-faint); letter-spacing: .04em; }
.chip-1 { top: 6%; left: 2%; animation-delay: 0s; }
.chip-2 { top: 40%; right: -2%; animation-delay: 1.4s; }
.chip-3 { bottom: 8%; left: 8%; animation-delay: .7s; }

/* ---------- Ticker Marquee ---------- */
.ticker {
  overflow: hidden; padding: 22px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  position: relative; z-index: 1;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker-track {
  display: flex; gap: 56px; width: max-content;
  animation: tickerScroll 36s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes tickerScroll { to { transform: translateX(-50%); } }
.ticker-item {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: .82rem; letter-spacing: .18em;
  color: var(--text-faint); font-weight: 500; white-space: nowrap;
}
.ticker-item::before {
  content: ''; width: 7px; height: 7px; border-radius: 2px;
  background: var(--grad); flex-shrink: 0;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  position: relative; z-index: 1;
  padding: 72px 0;
}
.stats-bar .container { position: relative; }
.stats-card {
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 48px 40px;
  position: relative; overflow: hidden;
}
.stats-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad); background-size: 200% 100%;
  animation: gradLine 8s linear infinite;
}
@keyframes gradLine { to { background-position: 200% 0; } }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat-item { text-align: left; position: relative; }
.stat-item:not(:last-child)::after {
  content: ''; position: absolute; right: -16px; top: 15%; bottom: 15%;
  width: 1px; background: var(--border);
}
.stat-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(2.2rem, 3.6vw, 3.2rem);
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-meta { margin-top: 12px; display: flex; align-items: baseline; gap: 4px; }
.stat-unit { color: var(--accent); font-weight: 600; font-size: .95rem; }
.stat-label { color: var(--text-dim); font-size: .88rem; }

/* ---------- Sections ---------- */
.section { padding: 110px 0; position: relative; z-index: 1; }
.section-alt { background: rgba(255, 255, 255, 0.45); }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: .74rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
  padding: 6px 14px; border-radius: 100px;
  background: rgba(37, 99, 235, 0.07);
  border: 1px solid rgba(37, 99, 235, 0.15);
}
.section-title {
  font-size: clamp(1.9rem, 3.8vw, 2.9rem); font-weight: 700;
  letter-spacing: -.02em; margin-bottom: 18px;
}
.section-desc { color: var(--text-dim); font-size: 1.02rem; }

/* ---------- About ---------- */
.about-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.about-card {
  padding: 36px 30px; border-radius: var(--radius);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s, border-color .35s;
  position: relative; overflow: hidden;
}
.about-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(360px 200px at var(--mx, 50%) var(--my, 0%), rgba(37, 99, 235, 0.08), transparent 65%);
  opacity: 0; transition: opacity .3s;
}
.about-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(37, 99, 235, 0.25); }
.about-card:hover::after { opacity: 1; }
.about-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem; font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px; line-height: 1;
  opacity: .9;
}
.about-card h3 { font-size: 1.18rem; margin-bottom: 10px; letter-spacing: -.01em; }
.about-card p { color: var(--text-dim); font-size: .92rem; }

/* ---------- Services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; perspective: 1200px; }
.service-card {
  padding: 42px 34px; border-radius: var(--radius);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform .4s cubic-bezier(.2,.7,.3,1), box-shadow .4s;
  position: relative; overflow: hidden;
  transform-style: preserve-3d;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad);
  transform: scaleX(0); transform-origin: left;
  transition: transform .5s cubic-bezier(.2,.7,.3,1);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { box-shadow: var(--shadow-glow); }
.service-icon {
  width: 62px; height: 62px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.15);
  margin-bottom: 26px; color: var(--accent);
  transition: transform .4s;
}
.service-card:hover .service-icon { transform: translateY(-4px) rotate(-4deg) scale(1.06); }
.service-icon svg { width: 30px; height: 30px; }
.service-tag {
  display: inline-block; font-family: 'JetBrains Mono', monospace;
  font-size: .68rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: 12px;
  padding: 4px 10px; border-radius: 6px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.14);
}
.service-title { font-size: 1.35rem; margin-bottom: 14px; letter-spacing: -.01em; }
.service-desc { color: var(--text-dim); font-size: .93rem; line-height: 1.7; }

/* Service card portal link */
.service-portal-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px; padding: 9px 18px;
  border-radius: 10px;
  font-size: .86rem; font-weight: 600;
  color: var(--accent);
  background: rgba(37, 99, 235, 0.07);
  border: 1px solid rgba(37, 99, 235, 0.2);
  transition: all .25s;
}
.service-portal-link:hover {
  background: linear-gradient(120deg, #2563eb, #06b6d4);
  color: #fff; border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}

/* ---------- Advantages ---------- */
.advantages-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.advantage-item {
  display: flex; gap: 26px; padding: 34px;
  border-radius: var(--radius); background: var(--surface-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all .35s cubic-bezier(.2,.7,.3,1);
  position: relative; overflow: hidden;
}
.advantage-item:hover { border-color: rgba(37, 99, 235, 0.25); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.advantage-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.6rem; font-weight: 700; flex-shrink: 0;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1; opacity: .45;
  transition: opacity .3s, transform .3s;
}
.advantage-item:hover .advantage-num { opacity: 1; transform: scale(1.06); }
.advantage-body h3 { font-size: 1.15rem; margin-bottom: 8px; letter-spacing: -.01em; }
.advantage-body p { color: var(--text-dim); font-size: .92rem; }

/* ---------- Vision ---------- */
.vision-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.vision-card {
  padding: 46px 42px; border-radius: var(--radius);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all .4s;
  position: relative; overflow: hidden;
}
.vision-card::after {
  content: ''; position: absolute; bottom: -40%; right: -20%;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1), transparent 65%);
  opacity: 0; transition: opacity .5s;
}
.vision-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(37, 99, 235, 0.25); }
.vision-card:hover::after { opacity: 1; }
.vision-icon {
  width: 54px; height: 54px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.15);
  margin-bottom: 24px; color: var(--accent);
}
.vision-icon svg { width: 26px; height: 26px; }
.vision-subtitle {
  display: block; font-family: 'JetBrains Mono', monospace;
  font-size: .72rem; letter-spacing: .2em;
  color: var(--accent-2); margin-bottom: 8px;
}
.vision-title { font-size: 1.45rem; margin-bottom: 14px; letter-spacing: -.01em; }
.vision-desc { color: var(--text-dim); font-size: .94rem; line-height: 1.75; }

/* ---------- Footer ---------- */
.footer { position: relative; z-index: 1; padding: 80px 0 36px; }
.footer-card {
  border-radius: var(--radius);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 56px 48px;
}
.footer-top { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; margin-bottom: 44px; }
.footer-logo { display: flex; align-items: center; gap: 10px; font-size: 1.15rem; font-weight: 700; margin-bottom: 14px; }
.footer-tagline { color: var(--text-dim); font-size: .92rem; max-width: 300px; }
.footer-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-icon { flex-shrink: 0; width: 42px; height: 42px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: rgba(37, 99, 235, 0.07); border: 1px solid rgba(37, 99, 235, 0.13); color: var(--accent); }
.contact-icon svg { width: 19px; height: 19px; }
.contact-label { font-size: .72rem; color: var(--text-faint); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .14em; font-family: 'JetBrains Mono', monospace; }
.contact-value { font-size: .92rem; color: var(--text); }
.footer-divider { height: 1px; background: var(--border); margin-bottom: 28px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; }
.footer-copyright { color: var(--text-faint); font-size: .82rem; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--text-dim); font-size: .85rem; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }

/* ---------- Reveal Animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1); transition-delay: var(--delay, 0s); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-36px); transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1); transition-delay: var(--delay, 0s); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(.92); transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1); transition-delay: var(--delay, 0s); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 440px; max-width: 520px; margin: 0 auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .stat-item:not(:last-child)::after { display: none; }
  .about-points, .services-grid { grid-template-columns: 1fr; }
  .advantages-grid, .vision-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-contact { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav { padding: 10px 10px 10px 16px; }
  .nav-links {
    position: fixed; top: 84px; right: 16px; left: 16px;
    flex-direction: column; align-items: stretch;
    background: rgba(255, 255, 255, 0.97); backdrop-filter: blur(20px);
    border: 1px solid var(--border); border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 12px; gap: 2px;
    opacity: 0; visibility: hidden; transform: translateY(-12px) scale(.98);
    transition: all .3s cubic-bezier(.2,.7,.3,1);
  }
  .nav-links.open { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
  .nav-links a { padding: 12px 16px; font-size: .95rem; }
  .nav-cta { text-align: center; margin-top: 6px; }
  .nav-toggle { display: flex; }
  .hero { padding-top: 120px; }
  .hero-title { font-size: clamp(2.2rem, 9vw, 3rem); }
  .hero-visual { height: 360px; }
  .orbit-3 { display: none; }
  .section { padding: 80px 0; }
  .stats-card { padding: 36px 24px; }
  .footer-card { padding: 36px 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

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