:root {
  --brand: #233ED9;
  --brand-dark: #1A2FA8;
  --brand-light: #4D6FFF;
  --bg-dark: #060A14;
  --bg-mid: #0D1224;
  --bg-light: #F3F5F9;
  --text-primary: #FFFFFF;
  --text-secondary: #9CA3AF;
  --text-dark: #111827;
  --text-muted: #6B7280;
  --accent: #00E5A0;
  --accent2: #4DFFE0;
  --warm: #F59E0B;
  --danger: #EF4444;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-hover: 0 16px 48px rgba(35,62,217,0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
  color: var(--text-dark); background: #fff; line-height: 1.6; overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 48px; height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(6,10,20,0.75);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
}
.nav.scrolled { background: rgba(6,10,20,0.95); }
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  font-size: 18px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em;
}
.nav-logo .logo-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 800; color: #fff;
}
.nav-logo span.sub { font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.4); margin-left: 4px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.6); transition: var(--transition); }
.nav-links a:hover { color: #fff; }
.nav-links a.active { color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 22px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: var(--transition); border: none; outline: none; font-family: inherit;
}
.btn-primary { background: linear-gradient(90deg, var(--brand) 0%, var(--brand-light) 100%); color: #fff; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(35,62,217,0.4); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.2); }
.btn-outline:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.04); }
.btn-white { background: #fff; color: var(--brand); }
.btn-white:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }
.btn-lg { padding: 14px 36px; font-size: 15px; border-radius: 10px; }
.btn .arrow { margin-left: 6px; transition: var(--transition); display: inline-block; }
.btn:hover .arrow { transform: translateX(4px); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 1px; transition: var(--transition); }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #060A14 0%, #0D1B3E 40%, #1A2FA8 100%);
  overflow: hidden; text-align: center; padding: 120px 24px 80px;
}
.hero::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(35,62,217,0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(0,229,160,0.06) 0%, transparent 40%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 920px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 18px; border-radius: 100px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  font-size: 13px; color: rgba(255,255,255,0.7); margin-bottom: 28px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
.hero h1 {
  font-size: clamp(30px, 5vw, 52px); font-weight: 700;
  color: var(--text-primary); line-height: 1.25;
  margin-bottom: 20px; letter-spacing: -0.02em;
}
.hero h1 .hl {
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: clamp(15px, 2vw, 18px); color: rgba(255,255,255,0.5);
  font-weight: 400; margin-bottom: 44px; line-height: 1.7;
}
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: rgba(255,255,255,0.3); font-size: 11px; letter-spacing: 0.05em; animation: float 3s ease-in-out infinite;
}

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--bg-dark); padding: 36px 24px;
  border-top: 1px solid rgba(255,255,255,0.04);
}
.trust-bar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,0.45); font-size: 13px;
}
.trust-item .ti-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.trust-item strong { color: rgba(255,255,255,0.85); font-weight: 600; display: block; font-size: 13px; }

/* ===== SECTIONS ===== */
.section { padding: 100px 24px; }
.section-dark { background: var(--bg-dark); color: var(--text-primary); }
.section-darker { background: var(--bg-mid); color: var(--text-primary); }
.section-light { background: var(--bg-light); }
.section-white { background: #fff; }
.container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--brand); margin-bottom: 12px;
}
.section-dark .section-label, .section-darker .section-label { color: var(--brand-light); }
.section-title {
  font-size: clamp(26px, 3.5vw, 38px); font-weight: 700;
  line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 14px;
}
.section-dark .section-title, .section-darker .section-title { color: #fff; }
.section-desc { font-size: 15px; color: var(--text-muted); max-width: 580px; margin: 0 auto; line-height: 1.7; }
.section-dark .section-desc, .section-darker .section-desc { color: rgba(255,255,255,0.45); }

/* ===== DUAL MODEL ENGINE ===== */
.engine-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.engine-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  padding: 36px; transition: var(--transition);
}
.engine-card:hover { border-color: rgba(255,255,255,0.12); transform: translateY(-4px); }
.engine-card .ec-badge {
  display: inline-block; padding: 4px 12px; border-radius: 100px;
  font-size: 11px; font-weight: 600; margin-bottom: 16px;
}
.engine-card:first-child .ec-badge { background: rgba(35,62,217,0.15); color: var(--brand-light); }
.engine-card:last-child .ec-badge { background: rgba(0,229,160,0.12); color: var(--accent); }
.engine-card h3 { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.engine-card .ec-sub { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.7; margin-bottom: 24px; }
.engine-card .ec-features { display: flex; flex-direction: column; gap: 10px; }
.engine-card .ec-feat {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.6;
}
.engine-card .ec-feat .ec-dot {
  width: 6px; height: 6px; border-radius: 50%; margin-top: 7px; flex-shrink: 0;
}
.engine-card:first-child .ec-dot { background: var(--brand-light); }
.engine-card:last-child .ec-dot { background: var(--accent); }

/* Tech moat table */
.moat-table { margin-top: 48px; border-radius: var(--radius-md); overflow: hidden; border: 1px solid rgba(255,255,255,0.06); }
.moat-table table { width: 100%; border-collapse: collapse; }
.moat-table th {
  text-align: left; padding: 14px 20px; font-size: 12px; font-weight: 600;
  color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.02);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.moat-table td {
  padding: 14px 20px; font-size: 13px; color: rgba(255,255,255,0.6);
  border-bottom: 1px solid rgba(255,255,255,0.04); line-height: 1.6;
}
.moat-table tr:last-child td { border-bottom: none; }
.moat-table td:first-child { font-weight: 600; color: rgba(255,255,255,0.8); white-space: nowrap; }

/* ===== PRODUCT MATRIX ===== */
.matrix-visual {
  position: relative; padding: 48px 0;
}
.matrix-layers { display: flex; flex-direction: column; gap: 16px; }
.matrix-layer {
  border-radius: var(--radius-md); padding: 28px 32px;
  display: flex; align-items: center; gap: 24px;
  transition: var(--transition); cursor: default;
}
.matrix-layer:hover { transform: translateX(4px); }
.ml-top { background: linear-gradient(90deg, rgba(35,62,217,0.12) 0%, rgba(77,111,255,0.06) 100%); border: 1px solid rgba(35,62,217,0.2); }
.ml-mid { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); }
.ml-bot { background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.06); }
.ml-label {
  min-width: 100px; font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--brand-light);
}
.matrix-layers .ml-mid .ml-label { color: var(--accent); }
.ml-content h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.ml-content p { font-size: 13px; color: rgba(255,255,255,0.5); }
.ml-items { display: flex; gap: 10px; margin-left: auto; flex-wrap: wrap; }
.ml-item {
  padding: 6px 14px; border-radius: 100px; font-size: 12px; font-weight: 500;
  background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.7); border: 1px solid rgba(255,255,255,0.06);
}

/* ===== AGENT PLATFORM ===== */
.agent-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.agent-card {
  padding: 28px; border-radius: var(--radius-md);
  background: #fff; border: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition); cursor: pointer;
}
.agent-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.agent-icon { font-size: 32px; margin-bottom: 16px; }
.agent-name { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.agent-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.agent-link { font-size: 13px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 4px; }
.agent-link:hover { gap: 8px; }

/* ===== SOLUTIONS ===== */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sol-card {
  border-radius: var(--radius-lg); overflow: hidden;
  background: #fff; border: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition); cursor: pointer;
}
.sol-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.sol-cover {
  height: 180px; display: flex; align-items: center; justify-content: center;
  font-size: 48px; position: relative; overflow: hidden;
}
.sol-cover::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.25) 100%);
}
.sol-cover-1 { background: linear-gradient(135deg, #0D1B3E 0%, #1A2FA8 100%); }
.sol-cover-2 { background: linear-gradient(135deg, #1A0D2E 0%, #2F1AA8 100%); }
.sol-cover-3 { background: linear-gradient(135deg, #0D2E1A 0%, #1AA82F 100%); }
.sol-body { padding: 24px; }
.sol-name { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.sol-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; }
.sol-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.sol-tag { padding: 3px 10px; border-radius: 100px; background: var(--bg-light); font-size: 11px; color: var(--text-muted); font-weight: 500; }
.sol-features { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.sol-feat { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.sol-feat .sf-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--brand); margin-top: 7px; flex-shrink: 0; }

/* ===== CASES ===== */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.case-card {
  padding: 28px; border-radius: var(--radius-lg);
  background: #fff; border: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition); cursor: pointer;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.case-head { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.case-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 22px; background: var(--bg-light); }
.case-name { font-size: 16px; font-weight: 700; color: var(--text-dark); }
.case-industry { display: inline-block; padding: 2px 10px; border-radius: 100px; background: rgba(35,62,217,0.08); color: var(--brand); font-size: 11px; font-weight: 600; }
.case-detail { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; }
.case-metrics { display: flex; gap: 20px; }
.case-metric .cm-val { font-size: 20px; font-weight: 700; color: var(--brand); font-family: 'Inter', sans-serif; }
.case-metric .cm-label { font-size: 11px; color: var(--text-muted); }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.about-text p { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.9; margin-bottom: 18px; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-stat {
  padding: 24px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}
.about-stat .as-val { font-size: 32px; font-weight: 700; color: var(--accent); font-family: 'Inter', sans-serif; }
.about-stat .as-label { font-size: 13px; color: rgba(255,255,255,0.45); margin-top: 4px; }

/* Timeline */
.timeline { margin-top: 64px; }
.timeline-title { font-size: 22px; font-weight: 700; color: #fff; text-align: center; margin-bottom: 40px; }
.timeline-track {
  display: flex; justify-content: space-between; position: relative;
  padding: 0 20px; flex-wrap: wrap; gap: 20px;
}
.timeline-track::before {
  content: ''; position: absolute; top: 14px; left: 40px; right: 40px;
  height: 2px; background: linear-gradient(90deg, var(--brand), var(--accent)); border-radius: 1px;
}
.tl-node { text-align: center; flex: 1; min-width: 100px; position: relative; z-index: 1; }
.tl-dot {
  width: 10px; height: 10px; border-radius: 50%; margin: 10px auto 14px;
  border: 3px solid var(--bg-dark);
}
.tl-node:not(:last-child) .tl-dot { background: var(--brand-light); }
.tl-node:last-child .tl-dot { background: var(--accent); box-shadow: 0 0 12px rgba(0,229,160,0.4); }
.tl-year { font-size: 18px; font-weight: 700; color: var(--accent); font-family: 'Inter', sans-serif; }
.tl-event { font-size: 11px; color: rgba(255,255,255,0.4); margin-top: 4px; line-height: 1.4; }

/* Honors */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 48px; }
.honor-item {
  padding: 20px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  text-align: center; transition: var(--transition);
}
.honor-item:hover { border-color: rgba(255,255,255,0.12); }
.honor-item .hi-icon { font-size: 28px; margin-bottom: 8px; }
.honor-item .hi-text { font-size: 12px; color: rgba(255,255,255,0.6); font-weight: 500; line-height: 1.5; }

/* Culture */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.culture-card {
  padding: 28px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  text-align: center; transition: var(--transition);
}
.culture-card:hover { border-color: rgba(255,255,255,0.12); transform: translateY(-4px); }
.culture-card .cc-title { font-size: 14px; font-weight: 600; color: rgba(255,255,255,0.5); margin-bottom: 8px; }
.culture-card .cc-val { font-size: 18px; font-weight: 700; color: #fff; }

/* ===== CTA ===== */
.cta-section {
  position: relative; padding: 100px 24px;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--brand-dark) 60%, var(--brand) 100%);
  text-align: center; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(77,111,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.cta-content { position: relative; z-index: 1; }
.cta-title { font-size: clamp(22px, 3vw, 30px); font-weight: 700; color: #fff; margin-bottom: 14px; line-height: 1.3; }
.cta-desc { font-size: 15px; color: rgba(255,255,255,0.5); margin-bottom: 36px; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-dark); padding: 56px 24px 28px; color: rgba(255,255,255,0.4); }
.footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
}
.footer-brand .footer-logo { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.footer-brand p { font-size: 13px; line-height: 1.7; max-width: 300px; }
.footer-col h5 { font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.8); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 12px; color: rgba(255,255,255,0.4); padding: 3px 0; transition: var(--transition); }
.footer-col a:hover { color: rgba(255,255,255,0.8); }
.footer-bottom {
  max-width: 1200px; margin: 0 auto; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.04);
  display: flex; justify-content: space-between; align-items: center; font-size: 11px; flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { color: rgba(255,255,255,0.3); }
.footer-bottom a:hover { color: rgba(255,255,255,0.6); }

/* ===== ANIMATIONS ===== */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes float { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-10px); } }
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Particles */
.particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.particle {
  position: absolute; width: 2px; height: 2px;
  background: rgba(255,255,255,0.25); border-radius: 50%;
  animation: pf linear infinite;
}
@keyframes pf { 0% { transform: translateY(100vh) scale(0); opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { transform: translateY(-10vh) scale(1); opacity: 0; } }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .engine-grid { grid-template-columns: 1fr; }
  .agent-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 768px) {
  .nav { padding: 0 16px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .agent-grid { grid-template-columns: 1fr; }
  .sol-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: 1fr 1fr; }
  .culture-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 16px; }
  .hero { padding: 100px 16px 60px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .ml-items { display: none; }
  .trust-bar-inner { gap: 20px; }
}

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(6,10,20,0.98);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 28px;
  opacity: 0; pointer-events: none; transition: var(--transition);
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a { font-size: 20px; font-weight: 600; color: rgba(255,255,255,0.7); }
.mobile-menu a:hover { color: #fff; }
.mobile-close {
  position: absolute; top: 20px; right: 20px;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: none;
  color: #fff; font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}

/* Contact Modal */
.contact-overlay {
  display: none; position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(8px);
  align-items: center; justify-content: center;
}
.contact-overlay.open { display: flex; }
.contact-modal {
  background: #fff; border-radius: 16px; padding: 40px;
  max-width: 440px; width: 90%; position: relative;
}
.contact-modal h3 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.contact-modal .cm-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 28px; }
.contact-modal .close-btn {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; font-size: 18px; cursor: pointer; color: #999;
}
.contact-modal label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 5px; color: #374151; }
.contact-modal input, .contact-modal select {
  width: 100%; padding: 9px 12px; border: 1.5px solid #E5E7EB;
  border-radius: 8px; font-size: 14px; outline: none; transition: var(--transition);
  font-family: inherit; margin-bottom: 14px;
}
.contact-modal input:focus, .contact-modal select:focus { border-color: var(--brand); }

/* Quote */
.quote-block {
  margin-top: 32px; padding: 20px 28px;
  border-left: 3px solid var(--accent);
  background: rgba(0,229,160,0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.7;
  font-style: italic;
}
.quote-block .qb-author { font-style: normal; color: var(--accent); font-weight: 600; margin-top: 8px; font-size: 13px; }

/* WorldArena badge */
.wa-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 24px; border-radius: var(--radius-md);
  background: linear-gradient(90deg, rgba(0,229,160,0.1) 0%, rgba(77,255,224,0.05) 100%);
  border: 1px solid rgba(0,229,160,0.2);
  margin-top: 32px; font-size: 14px; color: rgba(255,255,255,0.8);
}
.wa-badge strong { color: var(--accent); }