:root {
  --navy: #0a1628;
  --navy-light: #132038;
  --gold: #c9a962;
  --gold-light: #dfc88a;
  --white: #f8f9fb;
  --gray: #8b95a8;
  --gray-dark: #4a5568;
  --radius: 12px;
  --shadow: 0 20px 60px rgba(10, 22, 40, 0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', sans-serif;
  background: var(--white);
  color: var(--navy);
  line-height: 1.7;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201, 169, 98, 0.15);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  color: var(--white);
}

.logo-mark {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
}

.logo-text { font-weight: 500; font-size: 1rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: rgba(248, 249, 251, 0.85);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--gold); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 169, 98, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
}

.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.btn-outline-sm {
  padding: 8px 18px;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  border-radius: 6px;
}

.btn-outline-sm:hover { background: var(--gold); color: var(--navy) !important; }

.btn-full { width: 100%; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--navy);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(201, 169, 98, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(19, 32, 56, 0.8) 0%, transparent 50%);
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(201, 169, 98, 0.4);
  border-radius: 100px;
  color: var(--gold);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero-desc {
  max-width: 560px;
  color: rgba(248, 249, 251, 0.75);
  font-size: 1.05rem;
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats {
  display: flex;
  gap: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.stat strong {
  display: block;
  font-size: 1.75rem;
  color: var(--gold);
  font-weight: 600;
}

.stat span { font-size: 0.85rem; color: var(--gray); }

/* Sections */
.section { padding: 100px 0; }

.section-tag {
  display: inline-block;
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header { margin-bottom: 56px; }

.section-header.center { text-align: center; }

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  margin-bottom: 12px;
}

.section-header p { color: var(--gray-dark); max-width: 520px; }

.section-header.center p { margin: 0 auto; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* About */
.about { background: var(--white); }

.about-card {
  aspect-ratio: 4/5;
  background: linear-gradient(145deg, var(--navy), var(--navy-light));
  border-radius: var(--radius);
  padding: 3px;
  box-shadow: var(--shadow);
}

.about-card-inner {
  height: 100%;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid rgba(201, 169, 98, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
  background: linear-gradient(to top, rgba(10,22,40,0.95), transparent 60%);
}

.about-label {
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.about-card-inner h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 8px;
}

.about-card-inner p { color: var(--gray); font-size: 0.9rem; }

.about-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-text > p { color: var(--gray-dark); margin-bottom: 32px; }

.feature-list { list-style: none; }

.feature-list li {
  padding: 16px 0;
  border-bottom: 1px solid #e8ecf2;
}

.feature-list li:last-child { border-bottom: none; }

.feature-list strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature-list span { font-size: 0.9rem; color: var(--gray); }

/* Ecosystem */
.ecosystem { background: #f0f2f6; }

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.eco-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  text-decoration: none;
  color: inherit;
  border: 1px solid #e8ecf2;
  transition: all 0.3s;
}

.eco-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--gold);
}

.eco-card-featured {
  background: var(--navy);
  color: var(--white);
  border-color: var(--gold);
}

.eco-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
}

.eco-icon { font-size: 2rem; margin-bottom: 16px; }

.eco-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 4px; }

.eco-domain {
  font-size: 0.8rem;
  color: var(--gold);
  margin-bottom: 12px;
}

.eco-card p:last-of-type {
  font-size: 0.9rem;
  color: var(--gray-dark);
  margin-bottom: 20px;
  line-height: 1.6;
}

.eco-card-featured p:last-of-type { color: rgba(255,255,255,0.7); }

.eco-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gold);
}

.secondary-card {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 28px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px dashed #cbd2dc;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s;
}

.secondary-card:hover { border-color: var(--gold); }

.secondary-label {
  font-size: 0.75rem;
  color: var(--gray);
  background: #f0f2f6;
  padding: 4px 10px;
  border-radius: 4px;
}

.secondary-card strong { color: var(--navy); }

.secondary-card span:last-child { color: var(--gray); font-size: 0.9rem; margin-left: auto; }

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid #e8ecf2;
  transition: border-color 0.2s;
}

.value-card:hover { border-color: var(--gold); }

.value-num {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  color: var(--gold);
  opacity: 0.5;
  margin-bottom: 16px;
}

.value-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; }

.value-card p { font-size: 0.9rem; color: var(--gray-dark); }

/* News */
.news { background: #f0f2f6; }

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid #e8ecf2;
}

.news-card time {
  font-size: 0.8rem;
  color: var(--gold);
  font-weight: 500;
}

.news-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 12px 0 10px;
  line-height: 1.4;
}

.news-card p { font-size: 0.9rem; color: var(--gray-dark); }

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  margin-bottom: 16px;
}

.contact-text p { color: var(--gray-dark); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field { min-width: 0; }

.contact-form input,
.contact-form select,
.contact-form textarea,
.contact-form .form-field input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #dde2ea;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--white);
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}

/* Footer */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}

.footer-brand .logo-mark {
  font-family: 'Playfair Display', serif;
  color: var(--gold);
  font-size: 1.25rem;
  font-weight: 700;
}

.footer-brand p { margin-top: 8px; font-size: 0.9rem; }

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-links h4 {
  color: var(--white);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold); }

.footer-copy {
  grid-column: 1 / -1;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem;
  text-align: center;
}

/* Responsive */
@media (max-width: 968px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--navy);
    padding: 24px;
    gap: 16px;
  }
  .grid-2, .contact-inner { grid-template-columns: 1fr; }
  .ecosystem-grid, .values-grid, .news-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 32px; }
  .hero-stats { gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
}