:root {
  --bg-main: #0A0A0A;
  --bg-card: #111111;
  --border-color: #2A2A2A;
  --accent: #C9A962;
  --text-main: #F3F1EB;
  --text-muted: #B8B1A2;
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.4);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 10% -10%, rgba(201, 169, 98, 0.18), transparent 40%),
    radial-gradient(circle at 90% 0%, rgba(201, 169, 98, 0.1), transparent 35%),
    var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Noto Serif SC", serif;
}

.brand-mark {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 14px;
}

.brand-text {
  font-size: 20px;
  letter-spacing: 0.06em;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--text-muted);
  font-size: 15px;
}

.top-nav a:hover {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-gold {
  padding: 12px 22px;
  background: linear-gradient(135deg, #d4b876, var(--accent));
  color: #1A1407;
}

.btn-gold:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.btn-ghost {
  padding: 12px 22px;
  border-color: var(--border-color);
  color: var(--text-main);
  background: rgba(17, 17, 17, 0.7);
}

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

.hero {
  padding: 88px 0 72px;
}

.hero-inner {
  max-width: 860px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.2;
  letter-spacing: 0.03em;
}

.hero-subtitle {
  margin: 22px 0 34px;
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  color: var(--text-muted);
  max-width: 760px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.section {
  padding: 72px 0;
}

.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.section-subtitle {
  margin: 12px 0 30px;
  color: var(--text-muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.step-card {
  border: 1px solid var(--border-color);
  background: linear-gradient(160deg, rgba(27, 27, 27, 0.9), rgba(15, 15, 15, 0.9));
  border-radius: 18px;
  padding: 22px 20px;
  box-shadow: var(--shadow-soft);
}

.feature-card h3,
.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p,
.step-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.feature-card:hover,
.step-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.process-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.step-number {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(201, 169, 98, 0.16);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}

.final-cta {
  padding-top: 52px;
}

.cta-inner {
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: clamp(28px, 5vw, 46px);
  text-align: center;
  background: linear-gradient(130deg, rgba(30, 24, 15, 0.8), rgba(12, 12, 12, 0.9));
}

.cta-inner p {
  margin: 14px auto 26px;
  color: var(--text-muted);
  max-width: 560px;
}

.btn-large {
  padding: 13px 28px;
  font-size: 1rem;
}

.site-footer {
  border-top: 1px solid var(--border-color);
  margin-top: 74px;
  padding-top: 36px;
  padding-bottom: 34px;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-brand h3 {
  font-size: 1.45rem;
  margin-bottom: 10px;
}

.footer-brand p {
  margin: 0;
  color: var(--text-muted);
  max-width: 470px;
}

.footer-links {
  display: flex;
  gap: 18px;
  color: var(--text-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    padding: 14px 0;
    flex-wrap: wrap;
  }

  .top-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 14px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
  }

  .hero {
    padding: 66px 0 52px;
  }

  .section {
    padding: 56px 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .footer-top,
  .footer-bottom {
    flex-direction: column;
  }
}