/* ===== 0031 Glassmorphism Shared Styles ===== */

/* ---- Base & Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap');

:root {
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.75);
  --glass-bg-light: rgba(255, 255, 255, 0.35);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
  --glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(0, 0, 0, 0.06);
  --blur-strength: 20px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', 'Inter', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, #f0f4f8 0%, #f8fafc 25%, #f0f4ff 50%, #f5f3ff 75%, #f0f4f8 100%);
  background-attachment: fixed;
  color: #1a1a2e;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ---- Ambient background orbs ---- */
body::before {
  content: '';
  position: fixed;
  top: -30%;
  left: -20%;
  width: 80vw;
  height: 80vw;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  right: -15%;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* ---- Glass Card Base ---- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-strength));
  -webkit-backdrop-filter: blur(var(--blur-strength));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-smooth);
  position: relative;
  z-index: 1;
}

.glass-card:hover {
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-4px);
}

/* Glass card with colored edge glow */
.glass-card-glow {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-strength));
  -webkit-backdrop-filter: blur(var(--blur-strength));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-smooth);
  z-index: 1;
  overflow: hidden;
}

.glass-card-glow::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    rgba(99, 102, 241, 0.5),
    rgba(139, 92, 246, 0.4),
    rgba(236, 72, 153, 0.5),
    rgba(99, 102, 241, 0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.6;
  transition: opacity var(--transition-smooth);
}

.glass-card-glow:hover::before {
  opacity: 1;
}

.glass-card-glow:hover {
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-4px);
}

/* ---- Rainbow refraction highlight ---- */
.glass-card-prism {
  position: relative;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-smooth);
  z-index: 1;
  overflow: hidden;
}

.glass-card-prism::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(99, 102, 241, 0.15) 45deg,
    rgba(139, 92, 246, 0.12) 90deg,
    transparent 135deg,
    rgba(236, 72, 153, 0.13) 180deg,
    transparent 225deg,
    rgba(99, 102, 241, 0.1) 270deg,
    transparent 315deg,
    transparent 360deg
  );
  pointer-events: none;
  transition: transform var(--transition-smooth);
}

.glass-card-prism:hover::after {
  transform: rotate(15deg);
}

/* ---- Glass Button ---- */
.glass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #1a1a2e;
  cursor: pointer;
  transition: all var(--transition-bounce);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.glass-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, transparent 50%);
  border-radius: inherit;
  pointer-events: none;
}

.glass-btn:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 28px rgba(99, 102, 241, 0.25);
}

.glass-btn-primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.glass-btn-primary:hover {
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.5);
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

.glass-btn-outline {
  background: transparent;
  border: 1.5px solid rgba(99, 102, 241, 0.4);
  color: #4f46e5;
}

.glass-btn-outline:hover {
  background: rgba(99, 102, 241, 0.08);
  border-color: #6366f1;
}

/* ---- Navbar Glass ---- */
.glass-nav {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-smooth);
}

.glass-nav.scrolled {
  background: rgba(255, 255, 255, 0.75);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

/* ---- Section Titles ---- */
.section-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: #4f46e5;
  letter-spacing: 0.05em;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: #0f0f23;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ---- Hero Section ---- */
.hero-gradient-text {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 35%, #ec4899 70%, #f43f5e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* ---- Stats Card ---- */
.stat-number {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 900;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- Feature Icon ---- */
.feature-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
  flex-shrink: 0;
}

.feature-icon-wrap.pink {
  background: linear-gradient(135deg, #ec4899, #f43f5e);
  box-shadow: 0 8px 24px rgba(236, 72, 153, 0.3);
}

.feature-icon-wrap.cyan {
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.3);
}

.feature-icon-wrap.amber {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
}

.feature-icon-wrap.emerald {
  background: linear-gradient(135deg, #10b981, #06b6d4);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

.feature-icon-wrap.violet {
  background: linear-gradient(135deg, #8b5cf6, #d946ef);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.3);
}

/* ---- Testimonial ---- */
.testimonial-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-hover);
}

/* ---- FAQ ---- */
details.glass-faq {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0;
  margin-bottom: 12px;
  transition: all var(--transition-smooth);
  overflow: hidden;
}

details.glass-faq[open] {
  background: var(--glass-bg-strong);
  box-shadow: var(--glass-shadow-hover);
}

details.glass-faq summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #1a1a2e;
  user-select: none;
}

details.glass-faq summary::-webkit-details-marker {
  display: none;
}

details.glass-faq summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: #6366f1;
  transition: transform var(--transition-smooth);
}

details.glass-faq[open] summary::after {
  transform: rotate(180deg);
}

details.glass-faq .faq-content {
  padding: 0 24px 20px 24px;
  color: #4a4a6a;
  line-height: 1.7;
}

/* ---- CTA Section ---- */
.cta-glow {
  position: relative;
}

.cta-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899, #6366f1);
  background-size: 300% 300%;
  animation: gradientShift 4s ease infinite;
  z-index: -1;
  opacity: 0.5;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ---- Floating Orbs (Decorative) ---- */
.floating-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  animation: floatOrb 6s ease-in-out infinite;
}

.floating-orb-1 { animation-delay: 0s; }
.floating-orb-2 { animation-delay: 2s; }
.floating-orb-3 { animation-delay: 4s; }

@keyframes floatOrb {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

/* ---- Fade-in Animation ---- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ---- Page Header (download & club pages) ---- */
.page-header-glass {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header-glass::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

/* ---- Download Card ---- */
.download-card {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(99,102,241,0.5), rgba(236,72,153,0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.download-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
}

/* ---- Club Card ---- */
.club-feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all var(--transition-smooth);
  position: relative;
}

.club-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-hover);
}

/* ---- Mobile Nav ---- */
@media (max-width: 768px) {
  .mobile-menu {
    display: none;
  }

  .mobile-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 20px;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  }
}

/* ---- Utility ---- */
.text-gradient {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- Image Glass Frame ---- */
.glass-img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--glass-shadow);
}

.glass-img-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---- Footer ---- */
.footer-glass {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.5);
}

/* ---- Step Number ---- */
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
  flex-shrink: 0;
}