/* ============================================
   GUGUGAGA - Modern Memecoin Landing Page
   ============================================ */

:root {
  --bg: #06060a;
  --bg-2: #0c0c14;
  --bg-card: #0f0f1a;
  --bg-card-hover: #14142a;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --text: #e8e8ee;
  --text-secondary: #8888a0;
  --text-dim: #55556a;

  --accent: #7c5cfc;
  --accent-2: #c084fc;
  --accent-glow: rgba(124, 92, 252, 0.25);
  --gradient: linear-gradient(135deg, #7c5cfc, #c084fc, #f472b6);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-cn: 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 16px;
  --radius-sm: 10px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== GRAIN OVERLAY ===== */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

/* ===== PARTICLES CANVAS ===== */
#particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 0;
  transition: background 0.3s, box-shadow 0.3s, padding 0.3s;
}

.nav.scrolled {
  background: rgba(6, 6, 10, 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  box-shadow: 0 1px 0 var(--border);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--border-hover);
}

.nav-logo-text {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.25s;
}

.nav-link:hover {
  color: var(--text);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: var(--gradient);
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 100px;
  text-decoration: none;
  transition: opacity 0.25s, transform 0.25s;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  background: rgba(6, 6, 10, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
}

.mobile-menu.active {
  display: flex;
}

.mobile-link {
  padding: 14px 0;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition: color 0.25s;
}

.mobile-link:last-child { border: none; }
.mobile-link:hover { color: var(--text); }

.mobile-cta {
  margin-top: 8px;
  text-align: center;
  padding: 14px;
  background: var(--gradient);
  color: white !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: none;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: rgba(124, 92, 252, 0.1);
  border: 1px solid rgba(124, 92, 252, 0.2);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent-2);
  margin-bottom: 24px;
  animation: fadeUp 0.8s var(--ease) both;
}

.hero-title {
  margin-bottom: 20px;
  animation: fadeUp 0.8s var(--ease) 0.1s both;
}

.hero-title-cn {
  display: block;
  font-family: var(--font);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-sub {
  display: block;
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 8px;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 32px;
  animation: fadeUp 0.8s var(--ease) 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s var(--ease) 0.3s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 100px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--border-hover);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeUp 1s var(--ease) 0.2s both;
}

.hero-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.2) 0%, rgba(192, 132, 252, 0.08) 50%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  animation: pulse 4s ease-in-out infinite;
}

.hero-img-wrap {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border-hover);
  box-shadow: 0 0 60px var(--accent-glow), 0 0 120px rgba(124, 92, 252, 0.1);
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-float {
  position: absolute;
  font-size: 2rem;
  animation: floatAround 6s ease-in-out infinite;
  pointer-events: none;
}

.hero-float-1 { top: 10%; left: 5%; animation-delay: 0s; }
.hero-float-2 { bottom: 15%; right: 5%; animation-delay: 2s; }
.hero-float-3 { top: 5%; right: 15%; animation-delay: 4s; }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeUp 1s var(--ease) 0.6s both;
}

.hero-scroll span {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

/* ===== TICKER ===== */
.ticker {
  position: relative;
  z-index: 1;
  overflow: hidden;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
}

.ticker-item {
  flex-shrink: 0;
  padding: 0 40px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.ticker-item::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 16px;
  vertical-align: middle;
}

/* ===== SECTIONS ===== */
.section {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}

.section-alt {
  background: var(--bg-2);
}

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

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.4s var(--ease);
}

.about-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.about-card p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.about-card strong {
  color: var(--text);
}

/* ===== CA BOX ===== */
.ca-section {
  display: flex;
  justify-content: center;
}

.ca-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 40px;
  max-width: 600px;
  width: 100%;
}

.ca-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.ca-value {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  cursor: pointer;
  transition: all 0.3s;
  width: 100%;
  justify-content: center;
  position: relative;
  font-family: var(--font);
}

.ca-value:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent);
}

.ca-value code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
  word-break: break-all;
}

.ca-icon {
  flex-shrink: 0;
  color: var(--text-dim);
  transition: color 0.25s;
}

.ca-value:hover .ca-icon {
  color: var(--accent);
}

.ca-copied {
  position: absolute;
  top: -32px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--accent);
  color: white;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s var(--ease);
}

.ca-copied.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== STATS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.4s;
}

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 6px;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all 0.4s var(--ease);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.feature-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(124, 92, 252, 0.1);
  border: 1px solid rgba(124, 92, 252, 0.15);
  border-radius: 14px;
  color: var(--accent-2);
  margin-bottom: 20px;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ===== LINKS ===== */
.links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-decoration: none;
  transition: all 0.4s var(--ease);
}

.link-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.link-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(124, 92, 252, 0.08);
  border-radius: 50%;
  color: var(--accent-2);
  transition: all 0.3s;
}

.link-card:hover .link-icon-wrap {
  background: rgba(124, 92, 252, 0.15);
  transform: scale(1.1);
}

.link-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.link-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== FOOTER ===== */
.footer {
  position: relative;
  z-index: 1;
  padding: 48px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--border);
}

.footer-name {
  font-weight: 800;
  font-size: 1.1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s;
}

.footer-social:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(124, 92, 252, 0.1);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-disclaimer {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}

@keyframes floatAround {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-12px) rotate(5deg); }
  75% { transform: translateY(8px) rotate(-5deg); }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  50.1% { transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* Scroll reveal */
.anim-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.anim-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== FALLING EMOJIS ===== */
.emoji-rain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  overflow: hidden;
}

.emoji-drop {
  position: absolute;
  top: -60px;
  font-size: 1.6rem;
  animation: emojiFall linear forwards;
  opacity: 0.85;
  filter: blur(0px);
  will-change: transform, opacity;
}

.emoji-drop.far {
  font-size: 1rem;
  opacity: 0.35;
  filter: blur(1.5px);
}

.emoji-drop.mid {
  font-size: 1.3rem;
  opacity: 0.55;
  filter: blur(0.5px);
}

@keyframes emojiFall {
  0% {
    transform: translateY(0) rotate(0deg) scale(1);
    opacity: var(--start-opacity, 0.85);
  }
  70% {
    opacity: var(--start-opacity, 0.85);
  }
  100% {
    transform: translateY(calc(100vh + 80px)) rotate(var(--rotation, 360deg)) scale(0.7);
    opacity: 0;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
    padding: 3rem 0;
  }

  .hero-desc { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; }

  .hero-img-wrap {
    width: 220px;
    height: 220px;
  }

  .hero-glow {
    width: 260px;
    height: 260px;
  }

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

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .links-grid { grid-template-columns: 1fr; max-width: 400px; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }
}

@media (max-width: 600px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 300px; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 24px 16px; }
  .ca-card { padding: 20px 16px; }
  .ca-value code { font-size: 0.65rem; }
  .footer-top { flex-direction: column; gap: 20px; }
  .hero-scroll { display: none; }
}