/* SnowTrailHub - Main Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Bebas+Neue&family=Rajdhani:wght@400;500;600;700&display=swap');

:root {
  /* Primary palette - winter mountain blues */
  --primary-50: #e8f4fd;
  --primary-100: #c8e6f9;
  --primary-200: #94cef4;
  --primary-300: #5ab3ec;
  --primary-400: #2d97e0;
  --primary-500: #0d7acc;
  --primary-600: #0963a8;
  --primary-700: #074d84;
  --primary-800: #053a63;
  --primary-900: #032844;

  /* Secondary - ice teal */
  --secondary-50: #e6f9f8;
  --secondary-100: #c0f0ed;
  --secondary-200: #85e3dd;
  --secondary-300: #4dd0c8;
  --secondary-400: #26bab0;
  --secondary-500: #129f95;
  --secondary-600: #0d8078;
  --secondary-700: #0a625c;
  --secondary-800: #074641;
  --secondary-900: #04302c;

  /* Accent - warm snow gold */
  --accent-50: #fff8e6;
  --accent-100: #feefc2;
  --accent-200: #fdd980;
  --accent-300: #fcc040;
  --accent-400: #f9a80d;
  --accent-500: #e09000;
  --accent-600: #b87200;
  --accent-700: #8f5600;
  --accent-800: #6b3e00;
  --accent-900: #4a2b00;

  /* Success */
  --success-400: #34d399;
  --success-500: #10b981;
  --success-600: #059669;

  /* Warning */
  --warning-400: #fbbf24;
  --warning-500: #f59e0b;
  --warning-600: #d97706;

  /* Error */
  --error-400: #f87171;
  --error-500: #ef4444;
  --error-600: #dc2626;

  /* Neutral */
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;
  --neutral-950: #020617;

  /* Typography */
  --font-display: 'Bebas Neue', sans-serif;
  --font-heading: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing system (8px base) */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  --space-12: 96px;
  --space-16: 128px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.2);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 30px rgba(13, 122, 204, 0.35);
  --shadow-glow-accent: 0 0 30px rgba(252, 192, 64, 0.35);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--neutral-950);
  color: var(--neutral-100);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--neutral-50);
}

.display-text {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

a {
  color: var(--primary-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-200);
}

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

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.container-wide {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-12) 0;
}

.section-sm {
  padding: var(--space-8) 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
  color: #fff;
  box-shadow: 0 4px 20px rgba(13, 122, 204, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-400), var(--primary-300));
  box-shadow: 0 6px 30px rgba(13, 122, 204, 0.55);
  transform: translateY(-2px);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--neutral-100);
  border: 2px solid var(--neutral-500);
}

.btn-secondary:hover {
  border-color: var(--primary-400);
  color: var(--primary-300);
  background: rgba(13, 122, 204, 0.08);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-400));
  color: var(--neutral-900);
  box-shadow: 0 4px 20px rgba(252, 192, 64, 0.35);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent-400), var(--accent-300));
  box-shadow: 0 6px 30px rgba(252, 192, 64, 0.5);
  transform: translateY(-2px);
  color: var(--neutral-900);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

/* Cards */
.card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  backdrop-filter: blur(12px);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: rgba(45, 151, 224, 0.3);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

/* Section headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(13, 122, 204, 0.15);
  border: 1px solid rgba(13, 122, 204, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-300);
  margin-bottom: var(--space-2);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 0.04em;
  color: var(--neutral-50);
  margin-bottom: var(--space-2);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--neutral-400);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(9, 18, 36, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
  padding: 12px 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

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

.nav-logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-400));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  color: var(--neutral-50);
  line-height: 1;
}

.nav-logo-text span {
  color: var(--primary-300);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--neutral-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--neutral-50);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

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

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--neutral-300);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(9, 18, 36, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.1em;
  color: var(--neutral-100);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-mobile a:hover {
  color: var(--primary-300);
}

.nav-mobile-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--neutral-300);
  font-size: 2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.nav-mobile-close:hover {
  color: var(--neutral-50);
}

/* Footer */
.footer {
  background: var(--neutral-950);
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  padding: var(--space-10) 0 var(--space-4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand p {
  color: var(--neutral-400);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: var(--space-2);
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--neutral-400);
  margin-bottom: var(--space-2);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  color: var(--neutral-400);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--neutral-100);
}

.footer-disclaimer {
  border: 1px solid rgba(252, 192, 64, 0.2);
  background: rgba(252, 192, 64, 0.04);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
}

.footer-disclaimer p {
  font-size: 0.82rem;
  color: var(--neutral-400);
  line-height: 1.7;
}

.footer-disclaimer strong {
  color: var(--accent-400);
}

.footer-disclaimer a {
  color: var(--primary-300);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  gap: var(--space-3);
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--neutral-500);
}

.footer-age-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--error-400);
  letter-spacing: 0.08em;
}

/* Age Gate Modal */
.age-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.96);
  backdrop-filter: blur(20px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
}

.age-modal {
  background: linear-gradient(160deg, var(--neutral-800), var(--neutral-900));
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-xl);
  animation: modalIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.85) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.age-modal-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-500));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
  font-size: 2rem;
}

.age-modal h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

.age-modal p {
  color: var(--neutral-400);
  font-size: 0.9rem;
  margin-bottom: var(--space-3);
  line-height: 1.7;
}

.age-checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  text-align: left;
  background: rgba(13, 122, 204, 0.06);
  border: 1px solid rgba(13, 122, 204, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  margin-bottom: var(--space-3);
  cursor: pointer;
}

.age-checkbox-wrap input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--primary-400);
}

.age-checkbox-wrap label {
  font-size: 0.88rem;
  color: var(--neutral-300);
  line-height: 1.6;
  cursor: pointer;
}

.age-modal .btn {
  width: 100%;
  font-size: 1rem;
  padding: 14px;
  margin-top: var(--space-1);
}

.age-modal .btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* Cookie Consent */
.cookie-banner {
  position: fixed;
  bottom: var(--space-3);
  left: var(--space-3);
  right: var(--space-3);
  max-width: 560px;
  background: var(--neutral-800);
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-3);
  z-index: 9000;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.4s ease;
  display: none;
}

.cookie-banner.show {
  display: block;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.cookie-banner h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.cookie-banner p {
  font-size: 0.83rem;
  color: var(--neutral-400);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}

.cookie-banner p a {
  color: var(--primary-300);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.cookie-actions .btn {
  flex: 1;
  min-width: 100px;
  padding: 10px 16px;
  font-size: 0.82rem;
}

/* Snowflake particle animation */
.snow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.snowflake {
  position: absolute;
  top: -20px;
  color: rgba(148, 163, 184, 0.4);
  font-size: 1em;
  animation: snowfall linear infinite;
  user-select: none;
}

@keyframes snowfall {
  0% { transform: translateY(-20px) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.6; }
  100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-300); }
.text-accent { color: var(--accent-300); }
.text-muted { color: var(--neutral-400); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-display { font-family: var(--font-display); }

.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-300), var(--secondary-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-accent-text {
  background: linear-gradient(135deg, var(--accent-300), var(--accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: var(--space-8) 0;
  }

  .section-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-2);
  }

  .btn-lg {
    padding: 14px 28px;
  }
}

/* Page hero (for inner pages) */
.page-hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(13, 122, 204, 0.15), transparent);
  pointer-events: none;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.page-hero p {
  font-size: 1.1rem;
  color: var(--neutral-400);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Inner page content */
.page-content {
  padding: var(--space-8) 0 var(--space-12);
}

.prose h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--neutral-100);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.prose h3 {
  font-size: 1.2rem;
  color: var(--neutral-200);
  margin-top: var(--space-3);
  margin-bottom: var(--space-1);
}

.prose p {
  color: var(--neutral-400);
  line-height: 1.8;
  margin-bottom: var(--space-2);
}

.prose ul, .prose ol {
  color: var(--neutral-400);
  line-height: 1.8;
  margin-bottom: var(--space-2);
  padding-left: var(--space-3);
}

.prose li {
  margin-bottom: 6px;
}

.prose strong {
  color: var(--neutral-200);
  font-weight: 600;
}

.prose a {
  color: var(--primary-300);
  text-decoration: underline;
}

.info-box {
  background: rgba(13, 122, 204, 0.06);
  border: 1px solid rgba(13, 122, 204, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-3) 0;
}

.info-box p {
  color: var(--neutral-300);
  margin: 0;
}

.warning-box {
  background: rgba(252, 192, 64, 0.06);
  border: 1px solid rgba(252, 192, 64, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-3) 0;
}

.warning-box p {
  color: var(--neutral-300);
  margin: 0;
}