/* ============================================
   Aether Protocol - Airdrop Landing Page
   Mobile-First Responsive Styles
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --bg-primary: #06080F;
  --bg-secondary: #0C1222;
  --bg-card: rgba(12, 18, 34, 0.7);
  --bg-card-hover: rgba(16, 24, 44, 0.85);
  --border-card: rgba(79, 107, 255, 0.15);
  --border-card-hover: rgba(79, 107, 255, 0.35);
  --gradient-primary: linear-gradient(135deg, #4F6BFF 0%, #8B5CF6 50%, #06B6D4 100%);
  --gradient-btn: linear-gradient(135deg, #4F6BFF 0%, #8B5CF6 100%);
  --gradient-btn-hover: linear-gradient(135deg, #5F7BFF 0%, #9B6CF6 100%);
  --text-primary: #E8ECF4;
  --text-secondary: #8892A8;
  --text-muted: #5A6478;
  --accent-blue: #4F6BFF;
  --accent-purple: #8B5CF6;
  --accent-cyan: #06B6D4;
  --accent-green: #10B981;
  --accent-amber: #F59E0B;
  --accent-red: #EF4444;
  --glass-bg: rgba(12, 18, 34, 0.6);
  --glass-border: rgba(79, 107, 255, 0.12);
  --glass-blur: 20px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-glow: 0 0 30px rgba(79, 107, 255, 0.15);
  --shadow-glow-strong: 0 0 50px rgba(79, 107, 255, 0.25);
  --font-sans: 'Inter', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 60px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 1px;
}

.section-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

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

.mono {
  font-family: var(--font-mono);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(79, 107, 255, 0.2); }
  50% { box-shadow: 0 0 40px rgba(79, 107, 255, 0.4); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Background Grid Effect --- */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-grid::before {
  content: '';
  position: absolute;
  top: -50px;
  left: -50px;
  width: calc(100% + 100px);
  height: calc(100% + 100px);
  background-image:
    linear-gradient(rgba(79, 107, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 107, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

.bg-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-glow::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(79, 107, 255, 0.08) 0%, rgba(139, 92, 246, 0.04) 40%, transparent 70%);
  border-radius: 50%;
}

.bg-glow::after {
  content: '';
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, transparent 60%);
  border-radius: 50%;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.nav.scrolled {
  background: rgba(6, 8, 15, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(79, 107, 255, 0.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  z-index: 1001;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-btn);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: white;
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(79, 107, 255, 0.3);
  box-shadow: 0 0 12px rgba(79, 107, 255, 0.2);
  transition: all var(--transition-fast);
}

.nav-logo:hover .nav-logo-img {
  border-color: rgba(79, 107, 255, 0.6);
  box-shadow: 0 0 20px rgba(79, 107, 255, 0.35);
}

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

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-fast);
  border-radius: 1px;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 140px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  z-index: 1002;
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  text-align: left;
}

.lang-option:hover,
.lang-option.active {
  background: rgba(79, 107, 255, 0.1);
  color: var(--text-primary);
}

/* CTA Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--gradient-btn);
  color: white;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 44px;
  white-space: nowrap;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-btn-hover);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79, 107, 255, 0.35);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary span {
  position: relative;
  z-index: 1;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
  min-height: 44px;
  white-space: nowrap;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
  z-index: 1001;
  padding: 10px;
  margin: -10px;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(6, 8, 15, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 12px 20px;
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(6, 8, 15, 0.3) 0%,
    rgba(6, 8, 15, 0.6) 50%,
    var(--bg-primary) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(79, 107, 255, 0.1);
  border: 1px solid rgba(79, 107, 255, 0.2);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-blue);
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease-out;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: 36px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease-out 0.1s both;
  max-width: 700px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 32px;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 360px;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-token-visual {
  margin-top: 40px;
  width: 100%;
  max-width: 320px;
  animation: fadeIn 1s ease-out 0.5s both;
}

.hero-token-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  animation: float 6s ease-in-out infinite;
}

/* --- Stats Bar --- */
.stats-bar {
  position: relative;
  z-index: 1;
  padding: 30px 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- About Section --- */
.about-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 40px;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-feature {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.about-feature:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
  transform: translateY(-2px);
}

.about-feature-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: rgba(79, 107, 255, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.about-feature h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.about-feature p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.about-image {
  display: flex;
  justify-content: center;
}

.about-image img {
  width: 100%;
  max-width: 400px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
}

/* --- Steps Section --- */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 40px;
}

.step-card {
  position: relative;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.step-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.step-number {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  margin-bottom: 12px;
}

.step-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Tokenomics Section --- */
.tokenomics-content {
  margin-top: 40px;
}

.tokenomics-chart {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.token-bar-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.token-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.token-bar-label {
  font-size: 14px;
  font-weight: 600;
}

.token-bar-value {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-cyan);
}

.token-bar-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
}

.token-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0;
}

.token-bar-fill.animated {
  /* width set by JS */
}

.token-info-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}

.token-info-card {
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  text-align: center;
}

.token-info-card .label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.token-info-card .value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
}

/* --- Partners Section --- */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.partner-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  min-height: 80px;
}

.partner-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
  transform: translateY(-2px);
}

.partner-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-align: center;
}

/* --- FAQ Section --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 40px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--border-card-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  transition: color var(--transition-fast);
  gap: 12px;
  min-height: 44px;
}

.faq-question:hover {
  color: var(--accent-blue);
}

.faq-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-muted);
  transition: transform var(--transition-normal);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--accent-blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-answer-inner {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 80px 0;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79, 107, 255, 0.08) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 360px;
  margin: 0 auto;
}

/* --- Countdown Timer --- */
.countdown {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 24px 0;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.countdown-value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  min-width: 60px;
  text-align: center;
}

.countdown-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 40px 0 24px;
  background: var(--bg-secondary);
}

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

.footer-brand p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 300px;
}

.footer-col h5 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  font-size: 12px;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  font-size: 16px;
  transition: all var(--transition-fast);
}

.footer-socials a:hover {
  background: rgba(79, 107, 255, 0.15);
  color: var(--accent-blue);
}

/* --- Disclaimer --- */
.disclaimer {
  margin-top: 24px;
  padding: 16px;
  background: rgba(245, 158, 11, 0.05);
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   Responsive Breakpoints
   ============================================ */

/* Tablet (768px+) */
@media (min-width: 768px) {
  .container {
    padding: 0 32px;
  }

  .section {
    padding: 80px 0;
  }

  .section-title {
    font-size: 36px;
  }

  .hero-title {
    font-size: 48px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-actions {
    flex-direction: row;
    max-width: none;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .stat-value {
    font-size: 30px;
  }

  .about-grid {
    flex-direction: row;
    align-items: center;
  }

  .about-text, .about-image {
    flex: 1;
  }

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

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

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

  .cta-title {
    font-size: 36px;
  }

  .cta-actions {
    flex-direction: row;
    max-width: none;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .countdown-value {
    font-size: 36px;
    min-width: 72px;
    padding: 10px 18px;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }

  .hamburger {
    display: none;
  }

  .section-title {
    font-size: 42px;
  }

  .hero-title {
    font-size: 56px;
    max-width: 800px;
  }

  .hero-content {
    padding: 60px 0;
  }

  .hero-token-visual {
    max-width: 400px;
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    margin-top: 0;
  }

  .hero-content {
    align-items: flex-start;
    text-align: left;
  }

  .hero-badge {
    align-self: flex-start;
  }

  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .cta-title {
    font-size: 42px;
  }
}

/* Large Desktop (1280px+) */
@media (min-width: 1280px) {
  .hero-title {
    font-size: 64px;
  }

  .stat-value {
    font-size: 36px;
  }
}

/* Small mobile adjustments */
@media (max-width: 374px) {
  .hero-title {
    font-size: 30px;
  }

  .countdown-value {
    font-size: 22px;
    min-width: 50px;
    padding: 6px 10px;
  }

  .stat-value {
    font-size: 20px;
  }
}

/* ============================================
   Wallet Modal
   ============================================ */
.wallet-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.wallet-modal.open {
  opacity: 1;
  visibility: visible;
}

.wallet-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.wallet-modal-content {
  position: relative;
  width: 100%;
  max-width: 420px;
  max-height: 85vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(20px) scale(0.96);
  transition: transform var(--transition-normal);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(79, 107, 255, 0.1);
}

.wallet-modal.open .wallet-modal-content {
  transform: translateY(0) scale(1);
}

.wallet-modal-header {
  padding: 24px 24px 0;
  text-align: center;
  transition: opacity var(--transition-fast);
}

.wallet-modal-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.wallet-modal-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.wallet-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.wallet-modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.wallet-modal-body {
  padding: 20px 16px;
  overflow-y: auto;
  flex: 1;
  transition: opacity var(--transition-fast);
}

.wallet-option {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  margin-bottom: 8px;
  min-height: 44px;
}

.wallet-option:last-child {
  margin-bottom: 0;
}

.wallet-option:hover {
  background: rgba(79, 107, 255, 0.08);
  border-color: rgba(79, 107, 255, 0.2);
  transform: translateX(4px);
}

.wallet-option-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: rgba(79, 107, 255, 0.1);
  border-radius: var(--radius-sm);
}

.wallet-option-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wallet-option-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.wallet-option-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.wallet-option-arrow {
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.wallet-option:hover .wallet-option-arrow {
  color: var(--accent-blue);
  transform: translateX(2px);
}

.wallet-modal-footer {
  padding: 12px 24px 20px;
  text-align: center;
  transition: opacity var(--transition-fast);
}

.wallet-modal-footer p {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Connecting State */
.wallet-connecting {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: var(--bg-secondary);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1;
}

.wallet-connecting.show {
  opacity: 1;
  visibility: visible;
}

.wallet-connecting-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(79, 107, 255, 0.15);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.wallet-connecting-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.wallet-connecting-cancel {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  min-height: 44px;
}

.wallet-connecting-cancel:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* Connected State */
.wallet-connected {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--bg-secondary);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1;
  padding: 24px;
}

.wallet-connected.show {
  opacity: 1;
  visibility: visible;
}

.wallet-connected-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.1);
  border: 2px solid rgba(16, 185, 129, 0.3);
  border-radius: 50%;
  animation: fadeInUp 0.4s ease-out;
}

.wallet-connected-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.wallet-connected-addr {
  font-size: 13px;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(6, 182, 212, 0.15);
}

.wallet-connected-btn {
  margin-top: 8px;
  width: 100%;
  max-width: 240px;
}

/* Wallet claimed state */
.wallet-claimed {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--bg-secondary);
  z-index: 1;
  padding: 24px;
  text-align: center;
}

.wallet-claimed-icon {
  width: 80px;
  height: 80px;
  animation: fadeInUp 0.5s ease-out;
}

.wallet-claimed-icon svg {
  width: 100%;
  height: 100%;
}

.wallet-claimed-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  animation: fadeInUp 0.5s ease-out 0.2s both;
}

.wallet-claimed-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
  animation: fadeInUp 0.5s ease-out 0.4s both;
}

.wallet-claimed-addr {
  font-size: 13px;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(6, 182, 212, 0.15);
  animation: fadeInUp 0.5s ease-out 0.6s both;
}

.wallet-claimed-close {
  margin-top: 8px;
  width: 100%;
  max-width: 240px;
  animation: fadeInUp 0.5s ease-out 0.8s both;
}

/* Wallet modal responsive */
@media (min-width: 768px) {
  .wallet-modal-content {
    max-height: 80vh;
  }
}

/* ============================================
   Whitepaper Modal
   ============================================ */
.wp-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.wp-modal.open {
  opacity: 1;
  visibility: visible;
}

.wp-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.wp-modal-content {
  position: relative;
  width: 100%;
  max-width: 900px;
  height: 90vh;
  max-height: 800px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(20px) scale(0.96);
  transition: transform var(--transition-normal);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(79, 107, 255, 0.08);
}

.wp-modal.open .wp-modal-content {
  transform: translateY(0) scale(1);
}

.wp-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 24px 16px;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.wp-modal-header-text {
  flex: 1;
}

.wp-modal-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.wp-modal-version {
  font-size: 12px;
  color: var(--text-muted);
}

.wp-modal-close {
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.wp-modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.wp-modal-nav {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 16px;
  border-right: 1px solid var(--glass-border);
  overflow-y: auto;
  flex-shrink: 0;
  width: 220px;
}

.wp-nav-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  padding: 4px 12px 12px;
}

.wp-nav-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.4;
  min-height: 36px;
}

.wp-nav-item:hover {
  background: rgba(79, 107, 255, 0.08);
  color: var(--text-primary);
}

.wp-nav-item.active {
  background: rgba(79, 107, 255, 0.12);
  color: var(--accent-blue);
  font-weight: 600;
}

.wp-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  scroll-behavior: smooth;
}

.wp-section {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--glass-border);
}

.wp-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.wp-section-heading {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.wp-section-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
  white-space: pre-line;
}

.wp-section-content p:last-child {
  margin-bottom: 0;
}

.wp-modal-footer-bar {
  display: flex;
  justify-content: flex-end;
  padding: 16px 24px;
  border-top: 1px solid var(--glass-border);
  flex-shrink: 0;
}

/* Whitepaper scrollbar */
.wp-modal-body::-webkit-scrollbar {
  width: 6px;
}

.wp-modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.wp-modal-body::-webkit-scrollbar-thumb {
  background: rgba(79, 107, 255, 0.2);
  border-radius: 3px;
}

.wp-modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(79, 107, 255, 0.4);
}

/* Whitepaper responsive */
@media (min-width: 768px) {
  .wp-modal-content {
    flex-direction: row;
    flex-wrap: wrap;
    height: 85vh;
  }

  .wp-modal-header {
    width: 100%;
    padding: 24px 32px 16px;
  }

  .wp-modal-title {
    font-size: 22px;
  }

  .wp-modal-nav {
    display: flex;
  }

  .wp-modal-body {
    flex: 1;
    padding: 24px 32px;
  }

  .wp-modal-footer-bar {
    width: 100%;
    padding: 16px 32px;
  }

  .wp-section-heading {
    font-size: 20px;
  }

  .wp-section-content p {
    font-size: 15px;
  }
}

@media (max-width: 767px) {
  .wp-modal-content {
    height: 95vh;
    max-height: none;
    border-radius: var(--radius-lg);
  }

  .wp-modal-header {
    padding: 20px 16px 12px;
  }

  .wp-modal-body {
    padding: 16px;
  }

  .wp-modal-footer-bar {
    padding: 12px 16px;
  }

  .wp-modal-footer-bar .btn-primary {
    width: 100%;
  }
}