/* ========== Reset & Base ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #0a0a0a;
  --color-bg-alt: #111111;
  --color-surface: #1a1a1a;
  --color-border: #2a2a2a;
  --color-text: #e5e5e5;
  --color-text-muted: #888888;
  --color-primary: #ffffff;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

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

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* ========== Hero ========== */
.hero {
  padding: 160px 0 100px;
  text-align: center;
}

.hero-logo {
  width: 96px;
  height: 96px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== Buttons ========== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: #e0e0e0;
  color: var(--color-bg);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text-muted);
  color: var(--color-primary);
}

/* ========== Sections ========== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.subsection-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-primary);
  margin: 48px 0 24px;
}

/* ========== Features ========== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.features-small {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.feature {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 28px;
}

.feature-icon {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.feature h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.feature p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ========== Token Details ========== */
.token-details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  font-size: 14px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.detail-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.contract-address {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contract-address a {
  font-family: monospace;
  font-size: 13px;
}

.copy-btn {
  background: var(--color-border);
  color: var(--color-text-muted);
  border: none;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: var(--color-text-muted);
  color: var(--color-bg);
}

/* ========== Steps ========== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 28px;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.cta-center {
  text-align: center;
}

/* ========== Docs ========== */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.doc-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s;
}

.doc-card:hover {
  border-color: var(--color-accent);
}

.doc-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.doc-card p {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ========== Footer ========== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--color-primary);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  color: var(--color-text-muted);
}

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

.footer-copy {
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-copy a {
  color: var(--color-text-muted);
  text-decoration: underline;
}

/* ========== Responsive ========== */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .nav {
    gap: 16px;
  }

  .nav a {
    font-size: 13px;
  }

  .section h2 {
    font-size: 26px;
  }

  .detail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}