/* ═══════════════════════════════════════════════════════════════════════════
   Kairos Coin — Website Stylesheet
   "In God We Trust"
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── CSS Variables ──────────────────────────────────────────────────────── */
:root {
  --gold: #D4AF37;
  --gold-deep: #B8860B;
  --gold-light: #F0D060;
  --dark: #0D0D0D;
  --dark-brown: #1A1208;
  --dark-card: #151108;
  --dark-surface: #1E1710;
  --cream: #FFF8DC;
  --white: #FFFFFF;
  --gray: #A0A0A0;
  --gray-light: #CCCCCC;
  --green: #22C55E;
  --red: #EF4444;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
  --radius: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--gold-light);
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ─────────────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
  transition: background 0.3s;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}

.nav-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  color: var(--gray-light);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color 0.3s;
}

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

.nav-cta {
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: var(--dark) !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

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

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
}

/* ── Hero Section ───────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 30% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(184, 134, 11, 0.05) 0%, transparent 60%),
              var(--dark);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(212, 175, 55, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

#hero .container,
#hero {
  display: flex;
  gap: 60px;
}

.hero-content {
  flex: 1;
  max-width: 640px;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--gold);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

.hero-sub {
  display: block;
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 400;
  color: var(--gray);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero-main {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--white) 0%, var(--gold) 50%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 18px;
  color: var(--gray-light);
  margin-top: 20px;
  font-weight: 400;
}

.hero-motto {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--gold);
  margin-top: 8px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(212, 175, 55, 0.15);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
}

.stat-label {
  font-size: 13px;
  color: var(--gray);
  margin-top: 4px;
}

/* ── Hero Logo Image ─────────────────────────────────────────────────────── */
.hero-logo-img {
  width: 340px;
  height: 340px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow:
    0 0 60px rgba(212, 175, 55, 0.3),
    0 0 120px rgba(212, 175, 55, 0.1);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  25% { transform: translateY(-15px); }
  50% { transform: translateY(-5px); }
  75% { transform: translateY(-20px); }
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: var(--dark);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.4);
  color: var(--dark);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(212, 175, 55, 0.4);
  color: var(--gold);
}

.btn-outline:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--gold);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: var(--dark);
  padding: 14px 32px;
  font-size: 16px;
  cursor: pointer;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.4);
}

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

section:nth-child(even) {
  background: var(--dark-brown);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.2);
  color: var(--gold);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--white), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  color: var(--gray);
  font-size: 17px;
  line-height: 1.7;
}

/* ── About Grid ─────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--dark-card);
  border: 1px solid rgba(212, 175, 55, 0.08);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.4s;
}

.about-card:hover {
  border-color: rgba(212, 175, 55, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.08);
}

.about-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.about-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--white);
}

.about-card p {
  color: var(--gray);
  font-size: 14px;
  line-height: 1.7;
}

/* ── Features List ──────────────────────────────────────────────────────── */
.features-list {
  max-width: 800px;
  margin: 0 auto;
}

.feature-row {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 32px 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.08);
}

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

.feature-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 900;
  color: rgba(212, 175, 55, 0.15);
  line-height: 1;
  flex-shrink: 0;
  width: 80px;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: 8px;
  color: var(--gold);
}

.feature-content p {
  color: var(--gray);
  font-size: 15px;
  line-height: 1.7;
}

/* ── Comparison Table ───────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-table thead th {
  background: var(--dark-card);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-light);
  padding: 20px 24px;
}

.comparison-table thead th.highlight {
  color: var(--gold);
  background: rgba(212, 175, 55, 0.08);
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--gray-light);
}

.comparison-table td.highlight {
  background: rgba(212, 175, 55, 0.04);
  font-weight: 700;
}

.comparison-table .yes {
  color: var(--green);
  font-weight: 700;
  font-size: 18px;
}

.comparison-table .no {
  color: var(--red);
  font-size: 18px;
}

.comparison-table tbody tr:hover {
  background: rgba(212, 175, 55, 0.03);
}

/* ── Tokenomics Grid ────────────────────────────────────────────────────── */
.tokenomics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.token-card {
  background: var(--dark-card);
  border: 1px solid rgba(212, 175, 55, 0.08);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.token-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray);
  font-weight: 600;
}

.token-value {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.token-value.gold {
  color: var(--gold);
}

/* ── Timeline / Roadmap ─────────────────────────────────────────────────── */
.timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(212, 175, 55, 0.15);
}

.timeline-item {
  position: relative;
  padding-bottom: 48px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -33px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--dark);
  border: 2px solid rgba(212, 175, 55, 0.3);
}

.timeline-item.done .timeline-marker {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.4);
}

.timeline-item.current .timeline-marker {
  background: var(--dark);
  border-color: var(--gold);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 12px rgba(212, 175, 55, 0.3); }
  50% { box-shadow: 0 0 24px rgba(212, 175, 55, 0.6); }
}

.timeline-phase {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gold);
  margin-bottom: 8px;
  display: block;
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: 12px;
}

.timeline-content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.timeline-content li {
  color: var(--gray);
  font-size: 14px;
  padding-left: 20px;
  position: relative;
}

.timeline-content li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--gold);
}

.timeline-item.done .timeline-content li::before {
  content: '✓';
  color: var(--green);
}

/* ── Team Section ───────────────────────────────────────────────────────── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.team-card {
  background: var(--dark-card);
  border: 1px solid rgba(212, 175, 55, 0.1);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.team-card:hover {
  border-color: rgba(212, 175, 55, 0.3);
  transform: translateY(-4px);
}

.team-avatar {
  margin-bottom: 20px;
}

.avatar-placeholder {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 1px;
}

.team-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--white);
  margin-bottom: 4px;
}

.team-role {
  display: inline-block;
  font-size: 14px;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 16px;
}

.team-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 20px;
}

.team-links {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.team-link {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 8px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
}

.team-link:hover {
  background: var(--gold);
  color: var(--dark);
}

/* ── Contract Section ───────────────────────────────────────────────────── */
.contract-card {
  background: var(--dark-card);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 700px;
  margin: 0 auto;
}

.contract-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.contract-label {
  font-size: 14px;
  color: var(--gray);
  font-weight: 500;
}

.contract-address {
  display: flex;
  align-items: center;
  gap: 12px;
}

.contract-address code {
  font-size: 13px;
  color: var(--gold);
  background: rgba(212, 175, 55, 0.08);
  padding: 8px 12px;
  border-radius: 8px;
  font-family: monospace;
  word-break: break-all;
}

.copy-btn {
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--gold);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}

.copy-btn:hover {
  background: rgba(212, 175, 55, 0.25);
}

.verified-badge {
  background: rgba(34, 197, 94, 0.1);
  color: var(--green);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
}

.contract-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  justify-content: center;
}

.add-token {
  text-align: center;
  margin-top: 48px;
}

.add-token h3 {
  font-family: var(--font-display);
  font-size: 24px;
  margin-bottom: 12px;
}

.add-token p {
  color: var(--gray);
  margin-bottom: 20px;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
footer {
  background: var(--dark-brown);
  border-top: 1px solid rgba(212, 175, 55, 0.08);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-motto {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--gold);
  font-size: 14px;
  margin-top: 8px;
}

.footer-company {
  color: var(--gray);
  font-size: 13px;
  margin-top: 8px;
}

.footer-links h4 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  color: var(--gray);
  font-size: 14px;
  padding: 4px 0;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
  color: var(--gray);
  font-size: 13px;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tokenomics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  #hero {
    flex-direction: column;
    text-align: center;
    padding: 100px 24px 60px;
    gap: 40px;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
  }

  .coin-3d {
    width: 220px;
    height: 220px;
  }

  .coin-top-text {
    font-size: 24px;
  }

  .coin-globe {
    font-size: 48px;
  }

  .coin-bottom-text {
    font-size: 10px;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

  .tokenomics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .feature-row {
    flex-direction: column;
    gap: 12px;
  }

  .feature-number {
    font-size: 32px;
    width: auto;
  }

  .contract-card {
    padding: 24px;
  }

  .contract-row {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .contract-actions {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .tokenomics-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-stats {
    gap: 16px;
  }

  .stat-value {
    font-size: 22px;
  }
}

/* ── Scroll animations ──────────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}