/* ================================================
   MODERN PREMIUM THEME - Cyber Neon Glass Design
   Enhanced Animations, Glowing Effects, Glassmorphism
   ================================================ */

/* ============= ENHANCED COLOR VARIABLES ============= */
:root {
  /* Neon Accent Colors */
  --neon-cyan: #00f0ff;
  --neon-purple: #b000ff;
  --neon-pink: #ff0080;
  --neon-blue: #0080ff;
  --neon-green: #00ff00;
  
  /* Glow effects */
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.5);
  --glow-purple: 0 0 20px rgba(176, 0, 255, 0.5);
  --glow-pink: 0 0 20px rgba(255, 0, 128, 0.5);
  --glow-blue: 0 0 20px rgba(0, 128, 255, 0.5);
  
  /* Glassmorphism */
  --glass-light: rgba(255, 255, 255, 0.1);
  --glass-dark: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] {
  --neon-cyan: #00f0ff;
  --neon-purple: #c866ff;
  --neon-pink: #f0359f;
  --neon-blue: #3b82f6;
  --neon-green: #22c55e;
  
  --glow-cyan: 0 0 30px rgba(0, 240, 255, 0.4);
  --glow-purple: 0 0 30px rgba(200, 102, 255, 0.4);
  --glow-pink: 0 0 30px rgba(240, 53, 159, 0.4);
  --glow-blue: 0 0 30px rgba(59, 130, 246, 0.3);
}

/* ============= ANIMATED BACKGROUND ============= */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 240, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(176, 0, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 40% 0%, rgba(255, 0, 128, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  animation: bgShift 20s ease-in-out infinite;
}

@keyframes bgShift {
  0%, 100% {
    opacity: 0.5;
  }
  50% {
    opacity: 0.8;
  }
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
  }
  to {
    opacity: 1;
    max-height: 1000px;
  }
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5), inset 0 0 20px rgba(99, 102, 241, 0.1);
  }
  50% {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.8), inset 0 0 30px rgba(99, 102, 241, 0.2);
  }
}

@keyframes floatUp {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes rotateSlow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes neonGlow {
  0%, 100% {
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.5), 0 0 20px rgba(99, 102, 241, 0.3);
  }
  50% {
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.8), 0 0 40px rgba(99, 102, 241, 0.5);
  }
}

@keyframes borderGlow {
  0%, 100% {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
  }
  50% {
    border-color: rgba(99, 102, 241, 0.8);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
  }
}

/* ============= ENHANCED CARDS WITH GLASSMORPHISM ============= */
.card {
  background: var(--bg-card) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s;
}

.card:hover {
  background: var(--bg-card) !important;
  border-color: var(--primary) !important;
  transform: translateY(-15px) scale(1.02);
  box-shadow: var(--shadow-hover);
}

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

/* ============= ENHANCED BUTTONS ============= */
.btn {
  position: relative;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #0080ff 50%, #b000ff 100%) !important;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  color: #000 !important;
  border: none !important;
}

.btn-primary:hover {
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.8), 0 0 60px rgba(0, 128, 255, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  transform: translateY(-3px) scale(1.05);
}

.btn-secondary {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.2) 0%, rgba(168, 85, 247, 0.2) 100%) !important;
  border: 1.5px solid rgba(129, 140, 248, 0.5) !important;
  color: #f1f5f9 !important;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.4) 0%, rgba(168, 85, 247, 0.4) 100%) !important;
  border-color: rgba(0, 240, 255, 0.8) !important;
  box-shadow: 0 0 20px rgba(129, 140, 248, 0.5);
  transform: translateY(-3px);
}

/* ============= ENHANCED NAVBAR ============= */
.navbar {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(30px) !important;
  -webkit-backdrop-filter: blur(30px) !important;
  border-bottom: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm);
  animation: slideDown 0.5s ease-out;
}

.navbar.scrolled {
  box-shadow: 0 8px 32px 0 rgba(0, 240, 255, 0.2);
}

.nav-link {
  transition: all 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #00f0ff 0%, #b000ff 100%);
  transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.brand-bca {
  animation: neonGlow 3s ease-in-out infinite;
}

/* ============= ENHANCED WELCOME GATE ============= */
.welcome-gate {
  background: linear-gradient(145deg, #010409 0%, #060d1f 40%, #0a0f24 60%, #010409 100%);
  position: relative;
  overflow: hidden;
}

.welcome-gate::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 15% 45%, rgba(0, 229, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 85% 75%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
  animation: bgShift 25s ease-in-out infinite;
}

/* Welcome Gate styles are fully centralized and enhanced inside style.css for unified responsiveness */

/* ============= SECTION ANIMATIONS ============= */
.section {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.section:nth-child(1) { animation-delay: 0.2s; }
.section:nth-child(2) { animation-delay: 0.4s; }
.section:nth-child(3) { animation-delay: 0.6s; }
.section:nth-child(4) { animation-delay: 0.8s; }
.section:nth-child(5) { animation-delay: 1s; }

/* ============= GRID ANIMATIONS ============= */
.grid-item,
.card,
.tf-item {
  opacity: 0;
  animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.grid-item:nth-child(1) { animation-delay: 0.1s; }
.grid-item:nth-child(2) { animation-delay: 0.2s; }
.grid-item:nth-child(3) { animation-delay: 0.3s; }
.grid-item:nth-child(4) { animation-delay: 0.4s; }
.grid-item:nth-child(5) { animation-delay: 0.5s; }
.grid-item:nth-child(6) { animation-delay: 0.6s; }

/* ============= HOVER EFFECTS FOR INTERACTIVE ELEMENTS ============= */
.subject-card,
.topic-card,
.resource-item {
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.subject-card::before,
.topic-card::before,
.resource-item::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.3) 0%, transparent 70%);
  opacity: 0;
  transform: scale(0);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.subject-card:hover,
.topic-card:hover,
.resource-item:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
}

.subject-card:hover::before,
.topic-card:hover::before,
.resource-item:hover::before {
  opacity: 1;
  transform: scale(1);
}

/* ============= TEXT GLOW EFFECTS ============= */
h1, h2, h3 {
  transition: all 0.3s ease;
}

.gradient-text {
  background: linear-gradient(135deg, #00f0ff 0%, #0080ff 50%, #b000ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: neonGlow 3s ease-in-out infinite;
}

/* ============= INPUT FOCUS EFFECTS ============= */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(129, 140, 248, 0.2);
  backdrop-filter: blur(10px);
}

input:focus,
textarea:focus,
select:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(0, 240, 255, 0.6);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3), inset 0 0 15px rgba(0, 240, 255, 0.1);
  transform: scale(1.02);
}

/* ============= SMOOTH SCROLLING ============= */
html {
  scroll-behavior: smooth;
}

/* ============= ENHANCED IMAGES ============= */
img {
  transition: all 0.4s ease;
}

img:hover {
  filter: brightness(1.1) drop-shadow(0 0 20px rgba(0, 240, 255, 0.3));
}

/* ============= LOADING ANIMATION ============= */
.loading {
  animation: fadeInUp 0.6s ease-out;
}

.skeleton {
  background: linear-gradient(90deg, rgba(129, 140, 248, 0.2) 0%, rgba(168, 85, 247, 0.2) 50%, rgba(129, 140, 248, 0.2) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

/* ============= RESPONSIVE ENHANCEMENTS ============= */
@media (max-width: 768px) {
  .card {
    padding: 24px !important;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }
  
  h1 {
    animation: fadeInUp 0.6s ease-out;
  }
  
  .grid-item {
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  }
}

/* ============= PRINT STYLESHEET ============= */
@media print {
  .card {
    box-shadow: none;
    border-color: #ddd;
  }
}

/* ============= PROFESSIONAL COOKIE POPUP ============= */
.cookie-popup {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 350px;
  z-index: 10002;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.cookie-popup.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.cookie-card {
  padding: 24px;
  border-radius: 20px;
  background: rgba(15, 23, 42, 0.85) !important;
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.cookie-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.cookie-mini-icon {
  font-size: 1.2rem;
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.4));
}

.cookie-header h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.cookie-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}

.cookie-preferences {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
  background: rgba(0, 0, 0, 0.2);
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.cookie-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.cookie-toggle input {
  display: none;
}

.toggle-slider {
  width: 36px;
  height: 20px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  position: relative;
  transition: all 0.3s ease;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.cookie-toggle input:checked + .toggle-slider {
  background: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.cookie-toggle input:checked + .toggle-slider::after {
  transform: translateX(16px);
}

.cookie-toggle input:disabled + .toggle-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.toggle-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

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

.cookie-footer button {
  flex: 1;
  padding: 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
}

.btn-cookie-reject {
  background: rgba(255, 255, 255, 0.05) !important;
  color: rgba(255, 255, 255, 0.8) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.btn-cookie-reject:hover {
  background: rgba(255, 255, 255, 0.1) !important;
  color: #fff !important;
}

.btn-cookie-accept {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue)) !important;
  color: #0f172a !important;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.2);
}

.btn-cookie-accept:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.4);
}

@media (max-width: 480px) {
  .cookie-popup {
    left: 15px;
    right: 15px;
    bottom: 15px;
    width: auto;
  }
  .cookie-card {
    padding: 20px;
  }
}

/* ==========================================================================
   BCA STORE HOME PAGE ENHANCEMENTS — COMPACT SPACING, HERO CTAs, UTILITIES, & ELITE PLUS
   ========================================================================== */

/* ── 1. Whitespace Spacing Reductions (Compact Layout) ── */
.section {
  padding: 50px 20px !important;
}

.hero {
  min-height: 60vh !important;
  padding: 110px 20px 50px !important;
}

.hero-subtitle {
  margin-bottom: 24px !important;
}

.stats-strip {
  padding: 40px 0 !important;
}

@media (max-width: 768px) {
  .section {
    padding: 35px 15px !important;
  }
  .hero {
    min-height: auto !important;
    padding: 95px 15px 40px !important;
  }
  .stats-strip {
    padding: 30px 0 !important;
  }
}

/* ── 2. Hero CTA Buttons (Install PWA) ── */
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: -10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 800;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.hero-cta-btn.install-btn {
  background: linear-gradient(135deg, #00f0ff 0%, #0080ff 50%, #b000ff 100%) !important;
  color: #000 !important;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
  position: relative;
  overflow: hidden;
}

.hero-cta-btn.install-btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.7), 0 0 15px rgba(176, 0, 255, 0.4);
}

.hero-cta-btn.explore-btn {
  background: rgba(255, 255, 255, 0.05) !important;
  color: var(--text) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.1) !important;
}

.hero-cta-btn.explore-btn:hover {
  background: rgba(255, 255, 255, 0.1) !important;
  border-color: rgba(0, 240, 255, 0.5) !important;
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .hero-cta-btn.explore-btn {
  background: rgba(15, 23, 42, 0.04) !important;
  border-color: rgba(15, 23, 42, 0.1) !important;
  color: #0f172a !important;
}

[data-theme="light"] .hero-cta-btn.explore-btn:hover {
  background: rgba(15, 23, 42, 0.08) !important;
  border-color: rgba(139, 92, 246, 0.4) !important;
}

/* ── 3. Utilities Section (Combined Syllabus & App Install Card Grid) ── */
.utilities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .utilities-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.utility-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: var(--bg-card) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--border) !important;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: left;
}

.utility-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary) !important;
  box-shadow: var(--shadow-hover);
}

.utility-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
  opacity: 0.05;
  pointer-events: none;
}

.utility-icon-wrap {
  width: 56px;
  height: 56px;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.2);
  color: var(--warning);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border-radius: 14px;
  flex-shrink: 0;
  transition: all 0.3s;
}

.utility-card:hover .utility-icon-wrap {
  transform: scale(1.1) rotate(-5deg);
}

.install-card .utility-icon-wrap {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.2);
  color: #818CF8;
}

.utility-info {
  flex: 1;
  z-index: 1;
}

.utility-badge {
  display: inline-block;
  background: var(--warning);
  color: #000;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.install-badge {
  background: linear-gradient(135deg, #00f0ff 0%, #0080ff 100%);
  color: #000;
}

.utility-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 6px 0;
  letter-spacing: -0.01em;
}

.utility-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.45;
}

.utility-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.88rem;
  text-decoration: none;
  color: #000 !important;
  background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  box-shadow: 0 4px 15px rgba(251, 191, 36, 0.2);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  z-index: 1;
  border: none;
}

.utility-card:hover .utility-action-btn {
  transform: scale(1.05);
}

.install-app-btn {
  background: linear-gradient(135deg, #00f0ff 0%, #0080ff 100%) !important;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.2);
}

@media (max-width: 992px) {
  .utility-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
  }
  .utility-action-btn {
    width: 100%;
  }
}

/* ── 4. New Elite Plus Premium Card Section ── */
.elite-plus-banner-section {
  padding: 40px 20px;
}

.elite-premium-card-container {
  position: relative;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12) 0%, rgba(59, 130, 246, 0.12) 100%);
  border: 1.5px solid rgba(139, 92, 246, 0.25);
  border-radius: 24px;
  padding: 36px 40px;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] .elite-premium-card-container {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.06) 0%, rgba(59, 130, 246, 0.06) 100%);
  border-color: rgba(139, 92, 246, 0.2);
  box-shadow: 0 15px 30px rgba(139, 92, 246, 0.05);
}

.elite-premium-card-container:hover {
  transform: translateY(-8px);
  border-color: rgba(139, 92, 246, 0.6);
  box-shadow: 0 30px 60px rgba(139, 92, 246, 0.15), 0 10px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .elite-premium-card-container:hover {
  box-shadow: 0 25px 50px rgba(139, 92, 246, 0.12), 0 5px 15px rgba(0, 0, 0, 0.05);
}

.elite-premium-card-bg-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
  z-index: 0;
  animation: floatSlow 8s ease-in-out infinite alternate;
}

@keyframes floatSlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-30px, 30px) scale(1.1); }
}

.elite-premium-card-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (max-width: 992px) {
  .elite-premium-card-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .elite-premium-card-container {
    padding: 32px 24px;
  }
}

.elite-premium-card-left {
  text-align: left;
}

.elite-premium-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #b886ff;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: 1.5px;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.1);
  animation: pulseNeonBorder 3s infinite alternate;
}

[data-theme="light"] .elite-premium-tier-badge {
  color: #7c3aed;
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.3);
}

@keyframes pulseNeonBorder {
  0% { border-color: rgba(139, 92, 246, 0.3); box-shadow: 0 0 10px rgba(139, 92, 246, 0.1); }
  100% { border-color: rgba(139, 92, 246, 0.8); box-shadow: 0 0 20px rgba(139, 92, 246, 0.3); }
}

.elite-premium-title {
  font-size: 2.6rem !important;
  font-weight: 950 !important;
  margin: 0 0 12px 0 !important;
  background: linear-gradient(135deg, #00f0ff 0%, #8b5cf6 50%, #b000ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  text-shadow: 0 0 30px rgba(139, 92, 246, 0.2);
}

[data-theme="light"] .elite-premium-title {
  background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.elite-premium-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.elite-premium-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
  color: white !important;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
  position: relative;
  overflow: hidden;
  border: none;
}

.elite-premium-cta-btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 15px 30px rgba(139, 92, 246, 0.5);
}

.elite-premium-cta-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-25deg);
  animation: shineSwipe 4.5s infinite ease-in-out;
}

.elite-premium-card-right {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.elite-feature-item.full-width-item {
  grid-column: 1 / -1;
}

.elite-feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 16px 20px;
  transition: all 0.3s ease;
  text-align: left;
}

[data-theme="light"] .elite-feature-item {
  background: rgba(15, 23, 42, 0.02);
  border-color: rgba(15, 23, 42, 0.04);
}

.elite-feature-item:hover {
  background: rgba(139, 92, 246, 0.06);
  border-color: rgba(139, 92, 246, 0.25);
  transform: translateX(8px);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.08);
}

[data-theme="light"] .elite-feature-item:hover {
  background: rgba(139, 92, 246, 0.04);
  border-color: rgba(139, 92, 246, 0.2);
}

.elite-feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: all 0.3s;
}

.elite-feature-item:hover .elite-feature-icon {
  transform: scale(1.1) rotate(5deg);
  background: rgba(139, 92, 246, 0.2);
  border-color: rgba(139, 92, 246, 0.4);
}

.elite-feature-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 2px 0;
}

.elite-feature-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* ==================== PREMIUM INSTALL BUTTON (NAVBAR) ==================== */
.nav-premium-install-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  color: #fff !important;
  text-decoration: none;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-left: 16px;
}

.nav-premium-install-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.nav-premium-install-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: skewX(-20deg);
  animation: shineSwipe 4s infinite;
}

@media (max-width: 768px) {
  .nav-premium-install-btn {
    margin-left: auto;
    padding: 5px 12px;
    font-size: 13px;
    gap: 4px;
  }
  .hamburger {
    margin-left: 12px !important;
  }
}

/* ==================== PC NAVIGATION BUTTON EFFECTS ==================== */
@media (min-width: 769px) {
  .nav-links {
    gap: 12px;
  }

  .nav-links .nav-link {
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 8px 18px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  [data-theme="light"] .nav-links .nav-link {
    background: rgba(15, 23, 42, 0.02);
    border-color: rgba(15, 23, 42, 0.05);
  }

  .nav-links .nav-link:hover, .nav-links .nav-link.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border-color: rgba(139, 92, 246, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(139, 92, 246, 0.15);
    color: #a78bfa !important;
  }

  [data-theme="light"] .nav-links .nav-link:hover, [data-theme="light"] .nav-links .nav-link.active {
    color: #6d28d9 !important;
  }

  .nav-links .nav-link::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: skewX(-20deg);
  }

  .nav-links .nav-link:hover::before {
    animation: shineSwipe 2s infinite;
  }
}