/* ==========================================================================
   DAILY QUIZ & REWARD PLATFORM - STUDENT & ASPIRANT DESIGN SYSTEM
   Targeted for maximum focus, zero eye-strain, immersive gamification & retention
   ========================================================================== */

:root {
  /* Color Palette - Modern Dark Slate (Default for Aspirant Night Study) */
  --bg-main: #0a0e1a;
  --bg-surface: #121829;
  --bg-surface-elevated: #1a2238;
  --bg-surface-hover: #222d4a;
  --border-subtle: #232d47;
  --border-focus: #6366f1;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-invert: #0a0e1a;

  --accent-primary: #6366f1; /* Indigo */
  --accent-primary-hover: #4f46e5;
  --accent-secondary: #8b5cf6; /* Violet */
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --accent-glow: 0 0 25px rgba(99, 102, 241, 0.35);

  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --success-border: #059669;

  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --danger-border: #dc2626;

  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --warning-border: #d97706;

  --info: #0ea5e9;
  --info-bg: rgba(14, 165, 233, 0.12);

  --font-base: 'Plus Jakarta Sans', 'Noto Sans Devanagari', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', 'Plus Jakarta Sans', 'Noto Sans Devanagari', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);

  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Academic Day Light Theme - Warm, Crispy & Ultra-Legible */
[data-theme="light"] {
  --bg-main: #faf8f5;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f4f0e8;
  --bg-surface-hover: #ebe5db;
  --border-subtle: #e5ded3;
  --border-focus: #4f46e5;

  --text-primary: #0a0e1a;
  --text-secondary: #2c384a;
  --text-muted: #5a6b82;
  --text-invert: #ffffff;

  --accent-glow: 0 4px 20px rgba(99, 102, 241, 0.15);
  --shadow-sm: 0 2px 8px rgba(28, 25, 23, 0.05);
  --shadow-md: 0 8px 24px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 16px 40px rgba(28, 25, 23, 0.12);
}

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

html {
  overflow-x: hidden !important;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  letter-spacing: -0.012em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden !important;
  width: 100%;
  max-width: 100vw;
  position: relative;
  padding-bottom: calc(75px + env(safe-area-inset-bottom, 0px)); /* Space for mobile app bottom nav */
}

@media (min-width: 769px) {
  body {
    padding-bottom: 0 !important;
  }
}

a {
  color: inherit;
  text-decoration: none;
}

/* Typography Hierarchy - Bold, Modern & Ultra-Legible for Students */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
  box-sizing: border-box;
}

/* ==========================================================================
   2-TIER GOVERNMENT-PORTAL HEADER & KIDS OLYMPIAD CAMPAIGN SYSTEM
   Designed to match national edtech portals (MY Bharat / PMKVY / National Olympiad)
   Spacious, highly legible, un-congested, authentic Indian tricolor styling
   ========================================================================== */

/* Top Utility Bar (Tier 1) */
.top-utility-bar {
  background: #07152b;
  color: #cbd5e1;
  font-size: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 1001;
  line-height: 1.4;
}

.top-utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 1.25rem;
  gap: 1rem;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: #f1f5f9;
  flex: 1;
  min-width: 0;
}

.top-bar-ticker-wrap {
  display: flex;
  align-items: center;
  width: 100%;
}

.top-bar-ticker-track {
  display: flex;
  align-items: center;
}

.top-gov-title-dup {
  display: none;
}

.top-flag-icon {
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  vertical-align: middle;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.78rem;
  color: #94a3b8;
}

.top-bar-contact {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-divider {
  opacity: 0.4;
}

.top-bar-link {
  color: #e2e8f0;
  text-decoration: none;
  transition: color 0.15s ease;
}

.top-bar-link:hover {
  color: #f97316;
  text-decoration: underline;
}

/* Main Spacious Header (Tier 2) - Clean White & Uncongested */
.navbar-portal {
  background: #ffffff !important;
  color: #0f172a !important;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 2px 14px rgba(15, 23, 42, 0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.65rem 0;
  transition: all 0.25s ease;
}

.navbar-portal-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
}

/* Brand & Authentic Indian Flag Badge */
.portal-brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.portal-emblem-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-right: 1rem;
  border-right: 1px solid #e2e8f0;
  text-decoration: none;
}

.portal-flag-img {
  width: 32px;
  height: 22px;
  border-radius: 3px;
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.portal-flag-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.badge-hi {
  font-size: 0.72rem;
  font-weight: 700;
  color: #1e293b;
  letter-spacing: -0.2px;
}

.badge-en {
  font-size: 0.62rem;
  font-weight: 700;
  color: #64748b;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.portal-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.site-header-logo-img {
  height: var(--header-logo-height, 42px);
  max-height: var(--header-logo-height, 42px);
  width: auto;
  max-width: 240px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  transition: height 0.2s cubic-bezier(0.4, 0, 0.2, 1), max-width 0.2s ease;
}

.site-footer-logo-img {
  height: var(--footer-logo-height, 38px);
  max-height: var(--footer-logo-height, 38px);
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  transition: height 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.portal-brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.25);
}

.portal-brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.portal-brand-highlight {
  color: #ea580c;
}

.portal-brand-sub {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: 0.35px;
  line-height: 1.2;
}

/* Center Navigation Menu - Spacious & Elegant */
.portal-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 992px) {
  .portal-nav {
    display: flex;
  }
}

.portal-nav-item {
  position: relative;
}

.portal-nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: #334155;
  text-decoration: none;
  padding: 0.5rem 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.portal-nav-link:hover,
.portal-nav-item.active .portal-nav-link {
  color: #ea580c;
}

.portal-nav-caret {
  font-size: 0.72rem;
  transition: transform 0.2s ease;
  color: #94a3b8;
}

.portal-nav-item:hover .portal-nav-caret {
  transform: rotate(180deg);
  color: #ea580c;
}

/* Special Highlighting for Kids Olympiad */
.portal-nav-link.olympiad-highlight {
  color: #ea580c;
  font-weight: 700;
}

.olympiad-pulse-pill {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 9999px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  animation: pulseLight 1.8s infinite;
}

@keyframes pulseLight {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 6px rgba(220, 38, 38, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

/* Dropdown Menus */
.portal-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
  padding: 0.6rem 0;
  display: none;
  z-index: 1050;
  list-style: none;
  animation: menuSlideDown 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes menuSlideDown {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.portal-nav-item:hover .portal-dropdown-menu,
.portal-nav-item:focus-within .portal-dropdown-menu {
  display: block;
}

.portal-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.15rem;
  color: #334155;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.15s ease;
}

.portal-dropdown-item:hover {
  background: #f8fafc;
  color: #ea580c;
  padding-left: 1.35rem;
}

.dropdown-item-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.dropdown-item-text {
  display: flex;
  flex-direction: column;
}

.dropdown-item-desc {
  font-size: 0.72rem;
  font-weight: 400;
  color: #94a3b8;
}

/* Right Side Action Buttons - Styled exactly as 2nd Screenshot */
.portal-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-portal-signin {
  background: #f26548 !important;
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.55rem 1.3rem;
  border-radius: 6px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-portal-signin:hover {
  background: #e05335 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(242, 101, 72, 0.35);
  color: #ffffff !important;
}

.btn-portal-register {
  background: #ee4e34 !important;
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.55rem 1.45rem;
  border-radius: 6px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(238, 78, 52, 0.35);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-portal-register:hover {
  background: #d83c22 !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(238, 78, 52, 0.45);
  color: #ffffff !important;
}

/* User Logged-in State Badges in White Header */
.portal-user-pills {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.portal-stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
}

.portal-stat-badge.streak {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

.portal-stat-badge.wallet {
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
  font-weight: 800;
}

.portal-stat-badge.wallet:hover {
  background: #d1fae5;
  color: #047857;
}

.portal-stat-badge.xp {
  background: #ede9fe;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
}

.portal-user-profile-btn {
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid #e2e8f0;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.portal-user-profile-btn:hover {
  background: #e2e8f0;
  color: #ea580c;
}

.portal-logout-icon {
  color: #94a3b8;
  font-size: 0.95rem;
  padding: 0.45rem;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.portal-logout-icon:hover {
  color: #ef4444;
  background: #fef2f2;
}

/* Topbar Announcement Strip (Moved from congested navbar) */
/* ==========================================================================
   TOPBAR CONTINUOUS SLOW MARQUEE ANNOUNCEMENT TICKER
   Gentle, readable speed (38s), infinite seamless loop, pause on hover/touch
   ========================================================================== */
.top-marquee-strip {
  background: linear-gradient(90deg, #07152b 0%, #0d2244 50%, #07152b 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
  overflow: hidden;
  position: relative;
  white-space: nowrap;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
  padding: 0.32rem 0;
  display: flex;
}

.top-marquee-track {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  animation: slowMarquee 38s linear infinite;
  will-change: transform;
}

.top-marquee-strip:hover .top-marquee-track,
.top-marquee-strip:active .top-marquee-track {
  animation-play-state: paused;
}

@keyframes slowMarquee {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}

.top-marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 3rem;
  color: #f1f5f9;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1px;
  flex-shrink: 0;
}

.top-marquee-item:hover {
  color: #fbbf24;
}

.marquee-badge {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000000;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.15rem 0.55rem;
  border-radius: 9999px;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 1px 4px rgba(245, 158, 11, 0.4);
}

.marquee-text {
  font-size: 0.82rem;
  color: #f8fafc;
  font-weight: 600;
}

.marquee-cta-open {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 0.15rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  transition: all 0.15s ease;
}

.top-marquee-item:hover .marquee-cta-open {
  background: #10b981;
  color: #ffffff;
}

.marquee-cta-closed {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.4);
  padding: 0.15rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Nav Cash Highlight Pill */
.nav-cash-highlight {
  position: relative;
  font-weight: 700 !important;
  color: #ea580c !important;
}

.cash-win-pill {
  background: #ea580c;
  color: #ffffff;
  font-size: 0.62rem;
  font-weight: 800;
  padding: 0.1rem 0.4rem;
  border-radius: 9999px;
  letter-spacing: 0.5px;
  vertical-align: middle;
  animation: pulseLight 1.8s infinite;
}

/* Mobile Hamburger Toggle */
.portal-mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  color: #1e293b;
  font-size: 1.15rem;
  cursor: pointer;
}

@media (min-width: 992px) {
  .portal-mobile-toggle {
    display: none;
  }
}

/* Mobile Drawer Overlay */
.portal-mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.portal-mobile-drawer.active {
  display: block;
  opacity: 1;
}

.portal-drawer-card {
  width: 85%;
  max-width: 320px;
  height: 100%;
  background: #ffffff;
  padding: 1.5rem;
  overflow-y: auto;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.portal-mobile-drawer.active .portal-drawer-card {
  transform: translateX(0);
}

/* ==========================================================================
   MOBILE HEADER ANTI-OVERFLOW & APP-STYLE RESPONSIVENESS
   Ensures 100% viewport containment on all mobile screens (320px to 768px)
   ========================================================================== */
.hide-on-desktop {
  display: none !important;
}

@media (max-width: 768px) {
  /* Top Utility Bar on Mobile */
  .top-utility-bar {
    padding: 0;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }
  .top-utility-inner {
    padding: 0.35rem 0.75rem;
    gap: 0.4rem;
    width: 100%;
    box-sizing: border-box;
  }
  .top-bar-left {
    min-width: 0;
    flex: 1;
    overflow: hidden;
  }
  .top-bar-ticker-wrap {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    width: 100%;
    mask-image: linear-gradient(90deg, transparent 0%, #000 8px, #000 calc(100% - 8px), transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 8px, #000 calc(100% - 8px), transparent 100%);
  }
  .top-bar-ticker-track {
    display: inline-flex;
    white-space: nowrap;
    animation: topBarScroll 22s linear infinite;
    will-change: transform;
  }
  .top-bar-ticker-track:hover,
  .top-bar-ticker-track:active {
    animation-play-state: paused;
  }
  .top-gov-title {
    font-size: 0.74rem;
    font-weight: 600;
    color: #f1f5f9;
    white-space: nowrap;
    display: inline-block;
    padding-right: 2rem;
    max-width: none;
    overflow: visible;
    text-overflow: clip;
    letter-spacing: 0.1px;
  }
  .top-gov-title-dup {
    display: inline-block;
  }
  @keyframes topBarScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }
  .top-marquee-strip {
    padding: 0.25rem 0;
  }
  .top-marquee-item {
    padding: 0 1.75rem;
    font-size: 0.76rem;
    gap: 0.5rem;
  }
  .marquee-text {
    font-size: 0.76rem;
  }
  .top-bar-right {
    gap: 0.45rem;
    flex-shrink: 0;
  }
  .top-bar-contact {
    font-size: 0.72rem;
    gap: 0.25rem;
  }
  .top-bar-contact span span[data-i18n="toll_free"],
  .top-bar-contact span {
    font-size: 0.72rem;
  }
  .top-bar-right .lang-switcher-pill {
    padding: 3px 8px !important;
    font-size: 10px !important;
  }

  /* Main Navbar on Mobile */
  .navbar-portal {
    padding: 0.45rem 0;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }
  .navbar-portal-inner {
    padding: 0 0.75rem;
    gap: 0.5rem;
    width: 100%;
    box-sizing: border-box;
  }
  .portal-brand-wrapper {
    gap: 0.5rem;
    min-width: 0;
    flex: 1;
  }
  .portal-emblem-badge.hide-on-mobile,
  .hide-on-mobile {
    display: none !important;
  }
  .hide-on-desktop {
    display: inline-flex !important;
  }
  .portal-brand-logo {
    gap: 0.5rem;
    min-width: 0;
  }
  .site-header-logo-img {
    height: var(--header-logo-mobile-height, 32px);
    max-height: var(--header-logo-mobile-height, 32px);
    max-width: 140px;
  }
  .site-footer-logo-img {
    height: var(--footer-logo-mobile-height, 28px);
    max-height: var(--footer-logo-mobile-height, 28px);
    max-width: 130px;
  }
  .portal-brand-icon {
    width: 34px;
    height: 34px;
    font-size: 1.1rem;
    border-radius: 8px;
    flex-shrink: 0;
  }
  .portal-brand-title {
    font-size: 1.15rem;
    letter-spacing: -0.4px;
    white-space: nowrap;
    line-height: 1.1;
  }
  .portal-brand-sub {
    font-size: 13px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: 0.3px;
    white-space: nowrap;
  }
  .portal-actions {
    gap: 0.35rem;
    flex-shrink: 0;
  }
  .portal-actions .lang-switcher-pill {
    padding: 4px 8px !important;
    font-size: 11px !important;
    gap: 3px !important;
  }
  .btn-portal-icon-mobile {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(238, 78, 52, 0.1);
    color: #ee4e34;
    border: 1px solid rgba(238, 78, 52, 0.25);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    text-decoration: none;
    transition: all 0.15s ease;
  }
  .btn-portal-icon-mobile:active {
    background: #ee4e34;
    color: #ffffff;
    transform: scale(0.95);
  }
  .portal-mobile-toggle {
    width: 36px;
    height: 36px;
    font-size: 1rem;
    border-radius: 8px;
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #0f172a;
  }
  .portal-user-pills {
    gap: 0.35rem;
  }
  .portal-stat-badge {
    padding: 0.25rem 0.5rem;
    font-size: 0.72rem;
  }
  .portal-user-profile-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
  }
}

/* ==========================================================================
   APP-STYLE STICKY BOTTOM MOBILE NAVIGATION BAR
   Native tactile mobile app navigation (Home, Olympiad, Daily 10, Ranks, Menu)
   ========================================================================== */
.app-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1099;
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.45);
  height: calc(62px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
  display: flex;
  align-items: stretch;
}

[data-theme="light"] .app-bottom-nav {
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
}

.app-bottom-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
  padding: 0 0.25rem;
  position: relative;
}

.app-nav-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6px 2px 4px 2px;
  color: #94a3b8;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  transition: transform 0.15s ease, color 0.18s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  min-width: 0;
}

[data-theme="light"] .app-nav-tab {
  color: #64748b;
}

.app-nav-tab:active {
  transform: scale(0.92);
}

.app-nav-icon-box {
  font-size: 1.25rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  margin-bottom: 2px;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.app-nav-label {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  line-height: 1.1;
  white-space: nowrap;
  transition: color 0.18s ease;
}

/* Active Tab Highlight */
.app-nav-tab.active {
  color: #f59e0b;
}

.app-nav-tab.active .app-nav-icon-box {
  transform: translateY(-2px);
  color: #fbbf24;
}

.app-nav-tab.active .app-nav-label {
  color: #fbbf24;
  font-weight: 800;
}

.app-nav-tab.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  width: 16px;
  height: 3px;
  background: #fbbf24;
  border-radius: 9999px;
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.8);
}

/* 2026 Micro Badge on Olympiad Tab */
.app-nav-badge-pill {
  position: absolute;
  top: -6px;
  right: -10px;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #ffffff;
  font-size: 0.52rem;
  font-weight: 900;
  padding: 1px 4px;
  border-radius: 9999px;
  letter-spacing: 0.2px;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.5);
  animation: pulseLight 1.8s infinite;
}

/* Online Dot on Profile */
.app-nav-online-dot {
  position: absolute;
  bottom: 0;
  right: -2px;
  width: 7px;
  height: 7px;
  background: #10b981;
  border: 1.5px solid #0a0e1a;
  border-radius: 50%;
}

[data-theme="light"] .app-nav-online-dot {
  border-color: #ffffff;
}

/* Center Elevated FAB (Daily 10 Challenge) */
.app-nav-center-action {
  position: relative;
  overflow: visible;
}

.app-center-fab {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-top: -24px;
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.55), 0 0 0 4px #0a0e1a;
  border: none;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s;
}

[data-theme="light"] .app-center-fab {
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4), 0 0 0 4px #ffffff;
}

.app-nav-tab:active .app-center-fab {
  transform: scale(0.92) translateY(2px);
}

.app-center-label {
  margin-top: 3px;
  font-weight: 800 !important;
  color: #f59e0b !important;
}

/* Desktop Hiding */
@media (min-width: 769px) {
  .app-bottom-nav {
    display: none !important;
  }
}

/* ==========================================================================
   CAROUSEL SLIDER - CLICKABLE SLIDES WITH EMBEDDED GRAPHICS
   ========================================================================== */
.banner-carousel-container {
  position: relative;
  width: 100%;
  max-width: 1240px;
  margin: 0.75rem auto 1.5rem auto;
  padding: 0 1rem;
  box-sizing: border-box;
}

.carousel-track-wrapper {
  position: relative;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: #06152b;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.45);
}

.carousel-track {
  position: relative;
  width: 100%;
  aspect-ratio: 1376 / 768;
  max-height: none;
  display: block;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease-in-out;
  display: block;
  text-decoration: none;
}

.carousel-slide.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

.slide-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #06152b;
  display: block;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s ease;
}

.carousel-arrow:hover {
  background: #f59e0b;
  border-color: #f59e0b;
  color: #000000;
  transform: translateY(-50%) scale(1.08);
}

.carousel-arrow.prev {
  left: 1rem;
}

.carousel-arrow.next {
  right: 1rem;
}

.carousel-dots {
  position: static;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.85rem;
  margin-bottom: 0.25rem;
  z-index: 5;
}

.carousel-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all 0.25s ease;
}

.carousel-dots .dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

.carousel-dots .dot.active {
  background: #f59e0b;
  width: 26px;
  border-radius: 9999px;
  border-color: #f59e0b;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.6);
}

@media (max-width: 768px) {
  .banner-carousel-container {
    padding: 0 0.5rem;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
  }
  .carousel-track-wrapper {
    border-radius: 12px;
  }
  .carousel-arrow {
    width: 32px;
    height: 32px;
    font-size: 0.85rem;
  }
  .carousel-arrow.prev { left: 0.4rem; }
  .carousel-arrow.next { right: 0.4rem; }
  .carousel-dots {
    margin-top: 0.55rem;
    gap: 0.5rem;
  }
  .carousel-dots .dot {
    width: 8px;
    height: 8px;
  }
  .carousel-dots .dot.active {
    width: 20px;
  }
}

/* ==========================================================================
   GOOGLE ADSENSE MONETIZATION BLOCKS
   ========================================================================== */
.google-ad-wrapper {
  margin: 1.5rem auto;
  max-width: 970px;
  text-align: center;
}

.google-ad-box {
  background: rgba(18, 24, 41, 0.8);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 90px;
}

.ad-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

/* ==========================================================================
   AWARDS & PRIZES SHOWCASE SECTION
/* ==========================================================================
   AWARDS & PRIZES SHOWCASE SECTION
   ========================================================================== */
.prizes-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.prize-card {
  background: var(--bg-surface-elevated);
  border-radius: 20px;
  padding: 2.25rem 1.75rem;
  text-align: center;
  border: 1px solid var(--border-subtle);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  box-shadow: var(--shadow-sm);
}

.prize-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.prize-trophy-badge {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.1rem auto;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.prize-rank-tag {
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.25rem 0.85rem;
  border-radius: 9999px;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.prize-cash-amount {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.prize-sub-label {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.65rem;
}

.prize-gadget-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.prize-details-list {
  font-size: 0.85rem;
  line-height: 1.65;
  margin: 1rem 0 1.5rem 0;
  padding-left: 1.15rem;
  text-align: left;
}

.prize-details-list li {
  margin-bottom: 0.45rem;
}

/* Dark Mode Card Variants */
.prize-card.gold {
  border-top: 5px solid #f59e0b;
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.12) 0%, var(--bg-surface-elevated) 100%);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.15);
}
.prize-card.gold .prize-cash-amount { color: #fbbf24; }
.prize-card.gold .prize-gadget-title { color: #f59e0b; }
.prize-card.gold .prize-sub-label { color: #cbd5e1; }
.prize-card.gold .prize-details-list { color: #cbd5e1; }

.prize-card.silver {
  border-top: 5px solid #94a3b8;
  background: linear-gradient(180deg, rgba(148, 163, 184, 0.1) 0%, var(--bg-surface-elevated) 100%);
  box-shadow: 0 8px 30px rgba(148, 163, 184, 0.1);
}
.prize-card.silver .prize-cash-amount { color: #f1f5f9; }
.prize-card.silver .prize-gadget-title { color: #e2e8f0; }
.prize-card.silver .prize-sub-label { color: #cbd5e1; }
.prize-card.silver .prize-details-list { color: #cbd5e1; }

.prize-card.bronze {
  border-top: 5px solid #d97706;
  background: linear-gradient(180deg, rgba(217, 119, 6, 0.1) 0%, var(--bg-surface-elevated) 100%);
  box-shadow: 0 8px 30px rgba(217, 119, 6, 0.1);
}
.prize-card.bronze .prize-cash-amount { color: #fb923c; }
.prize-card.bronze .prize-gadget-title { color: #f97316; }
.prize-card.bronze .prize-sub-label { color: #cbd5e1; }
.prize-card.bronze .prize-details-list { color: #cbd5e1; }

/* Light Mode Overrides for Prize Cards - Super Crispy & High Contrast! */
[data-theme="light"] .prize-card {
  background: #ffffff;
  border-color: #e5ded3;
  box-shadow: 0 4px 20px rgba(28, 25, 23, 0.06);
}
[data-theme="light"] .prize-card.gold {
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
  border-color: #fde68a;
  border-top: 5px solid #d97706;
}
[data-theme="light"] .prize-card.gold .prize-cash-amount {
  color: #b45309; /* Deep, bold, crispy golden amber */
}
[data-theme="light"] .prize-card.gold .prize-gadget-title {
  color: #78350f;
}
[data-theme="light"] .prize-card.gold .prize-sub-label {
  color: #475569;
}

[data-theme="light"] .prize-card.silver {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border-color: #cbd5e1;
  border-top: 5px solid #475569;
}
[data-theme="light"] .prize-card.silver .prize-cash-amount {
  color: #0f172a; /* Sharp deep obsidian slate */
}
[data-theme="light"] .prize-card.silver .prize-gadget-title {
  color: #1e293b;
}
[data-theme="light"] .prize-card.silver .prize-sub-label {
  color: #475569;
}

[data-theme="light"] .prize-card.bronze {
  background: linear-gradient(180deg, #fff7ed 0%, #ffffff 100%);
  border-color: #fed7aa;
  border-top: 5px solid #c2410c;
}
[data-theme="light"] .prize-card.bronze .prize-cash-amount {
  color: #9a3412; /* Deep burnished bronze-copper */
}
[data-theme="light"] .prize-card.bronze .prize-gadget-title {
  color: #7c2d12;
}
[data-theme="light"] .prize-card.bronze .prize-sub-label {
  color: #475569;
}

[data-theme="light"] .prize-details-list {
  color: #1e293b;
}
[data-theme="light"] .prize-details-list li strong {
  color: #0a0e1a;
}

/* ==========================================================================
   PLAYFUL KNOWLEDGE & QUIZ ARENA (2-COLUMN PREMIUM RESPONSIVE GRID)
   ========================================================================== */
.playful-arena-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 840px) {
  .playful-arena-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.playful-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 1.5rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  box-shadow: var(--shadow-sm);
}

.playful-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Realistic Ambient Highlights (No harsh AI neon) */
.playful-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(40px);
  opacity: 0.15;
  transition: opacity 0.3s ease;
}
.playful-card:hover::before {
  opacity: 0.3;
}

.playful-card-sports::before { background: #059669; }
.playful-card-tech::before { background: #2563eb; }
.playful-card-cinema::before { background: #e11d48; }
.playful-card-science::before { background: #0284c7; }
.playful-card-featured::before { background: #d97706; width: 220px; height: 220px; }

/* Card Borders & Accent Bars */
.playful-card-sports { border-left: 4px solid #059669; }
.playful-card-tech { border-left: 4px solid #2563eb; }
.playful-card-cinema { border-left: 4px solid #e11d48; }
.playful-card-science { border-left: 4px solid #0284c7; }
.playful-card-featured { 
  grid-column: 1 / -1; 
  border-left: 4px solid #d97706; 
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.08) 0%, var(--bg-surface-elevated) 100%);
}

/* 3D-styled Tactile Icon Containers */
.playful-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  flex-shrink: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 4px 10px rgba(0, 0, 0, 0.15);
}

.playful-card-sports .playful-icon-box {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: #ffffff;
}
.playful-card-tech .playful-icon-box {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
}
.playful-card-cinema .playful-icon-box {
  background: linear-gradient(135deg, #e11d48 0%, #be123c 100%);
  color: #ffffff;
}
.playful-card-science .playful-icon-box {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
}
.playful-card-featured .playful-icon-box {
  width: 60px;
  height: 60px;
  font-size: 1.8rem;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
}

/* Category Pill Badges */
.playful-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
}

.playful-card-sports .playful-pill {
  background: rgba(5, 150, 105, 0.12);
  color: #059669;
  border: 1px solid rgba(5, 150, 105, 0.3);
}
.playful-card-tech .playful-pill {
  background: rgba(37, 99, 235, 0.12);
  color: #2563eb;
  border: 1px solid rgba(37, 99, 235, 0.3);
}
.playful-card-cinema .playful-pill {
  background: rgba(225, 29, 72, 0.12);
  color: #e11d48;
  border: 1px solid rgba(225, 29, 72, 0.3);
}
.playful-card-science .playful-pill {
  background: rgba(2, 132, 199, 0.12);
  color: #0284c7;
  border: 1px solid rgba(2, 132, 199, 0.3);
}
.playful-card-featured .playful-pill {
  background: rgba(217, 119, 6, 0.15);
  color: #d97706;
  border: 1px solid rgba(217, 119, 6, 0.35);
}

/* Live Players Indicator Badge */
.playful-live-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.playful-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  display: inline-block;
  box-shadow: 0 0 6px #10b981;
  animation: pulse-dot 2s infinite ease-in-out;
}

/* Metadata Chips (Questions, Time, Reward) */
.playful-meta-strip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-top: 0.65rem;
}
.playful-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-surface-hover);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

/* Action CTA Strip */
.playful-action-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.9rem;
  margin-top: 1.15rem;
}
.playful-play-btn {
  font-size: 0.82rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  transition: all 0.2s ease;
}

.playful-card-sports .playful-play-btn {
  background: #059669;
  color: #ffffff;
}
.playful-card-tech .playful-play-btn {
  background: #2563eb;
  color: #ffffff;
}
.playful-card-cinema .playful-play-btn {
  background: #e11d48;
  color: #ffffff;
}
.playful-card-science .playful-play-btn {
  background: #0284c7;
  color: #ffffff;
}
.playful-card-featured .playful-play-btn {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000000;
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
}

.playful-card:hover .playful-play-btn i {
  transform: translateX(4px);
  transition: transform 0.2s ease;
}

/* Light Mode Overrides for Playful Cards */
[data-theme="light"] .playful-card {
  background: #ffffff;
  border-color: #e5ded3;
  box-shadow: 0 4px 18px rgba(28, 25, 23, 0.05);
}
[data-theme="light"] .playful-card:hover {
  box-shadow: 0 12px 32px rgba(28, 25, 23, 0.09);
}
[data-theme="light"] .playful-card-sports {
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
  border-color: #bbf7d0;
  border-left: 4px solid #059669;
}
[data-theme="light"] .playful-card-tech {
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
  border-color: #bfdbfe;
  border-left: 4px solid #2563eb;
}
[data-theme="light"] .playful-card-cinema {
  background: linear-gradient(180deg, #fff1f2 0%, #ffffff 100%);
  border-color: #fecdd3;
  border-left: 4px solid #e11d48;
}
[data-theme="light"] .playful-card-science {
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
  border-color: #bae6fd;
  border-left: 4px solid #0284c7;
}
[data-theme="light"] .playful-card-featured {
  background: linear-gradient(135deg, #fffbeb 0%, #ffffff 100%);
  border-color: #fde68a;
  border-left: 4px solid #d97706;
}
[data-theme="light"] .playful-meta-chip {
  background: #f5f2eb;
  border-color: #e5dfd5;
  color: #2c384a;
}
[data-theme="light"] .playful-card-featured .playful-play-btn {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  color: #ffffff;
}

/* Feature Strip Light Mode Overrides */
[data-theme="light"] .home-feature-card-2x {
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%) !important;
  border: 1.5px solid #fdba74 !important;
  box-shadow: 0 4px 20px rgba(234, 88, 12, 0.08) !important;
}
[data-theme="light"] .home-feature-card-2x h3 {
  color: #0a0e1a !important;
}
[data-theme="light"] .home-feature-card-2x p {
  color: #2c384a !important;
}

[data-theme="light"] .home-feature-card-olympiad {
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%) !important;
  border: 1.5px solid #c7d2fe !important;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.08) !important;
}
[data-theme="light"] .home-feature-card-olympiad h3 {
  color: #0a0e1a !important;
}
[data-theme="light"] .home-feature-card-olympiad p {
  color: #2c384a !important;
}

/* Extra Awards Strip Light Mode Overrides */
[data-theme="light"] .extra-award-card {
  background: #ffffff !important;
  border: 1px solid #e5ded3 !important;
  box-shadow: 0 4px 16px rgba(28, 25, 23, 0.05) !important;
}
[data-theme="light"] .extra-award-card .extra-award-title {
  color: #0a0e1a !important;
}
[data-theme="light"] .extra-award-card .extra-award-desc {
  color: #2c384a !important;
}

/* Official Authenticity Note Light Mode */
[data-theme="light"] .home-auth-note {
  background: #ffffff !important;
  border: 1px solid #e5ded3 !important;
  box-shadow: 0 2px 10px rgba(28, 25, 23, 0.04) !important;
}
[data-theme="light"] .home-auth-note-text {
  color: #2c384a !important;
}
[data-theme="light"] .home-auth-note-title {
  color: #0a0e1a !important;
}

.campaign-banner-inner {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 3rem 1.25rem;
  text-align: center;
}

/* Gold Stars Campaign Tag */
.campaign-tag-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: #fbbf24;
  font-size: clamp(0.75rem, 1.5vw, 0.95rem);
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  text-shadow: 0 0 12px rgba(251, 191, 36, 0.5);
}

.campaign-star {
  color: #fbbf24;
  font-size: 0.85rem;
}

/* Grand Hero Headline */
.campaign-hero-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 0.85rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.quiz-orange-accent {
  color: #ff6b35;
  text-shadow: 0 0 25px rgba(255, 107, 53, 0.6);
}

/* Subtitle */
.campaign-hero-sub {
  font-size: clamp(1.05rem, 2.2vw, 1.45rem);
  font-weight: 500;
  color: #e2e8f0;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.campaign-meta-desc {
  font-size: 0.9rem;
  color: #94a3b8;
  max-width: 620px;
  margin: 0 auto 1.75rem auto;
  line-height: 1.5;
}

/* Highlights Strip / Chips */
.campaign-chips-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.campaign-chip {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f1f5f9;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.campaign-chip i {
  color: #f59e0b;
}

/* Action Buttons Group */
.campaign-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.btn-olympiad-primary {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: #ffffff !important;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.4);
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
}

.btn-olympiad-primary:hover {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(234, 88, 12, 0.55);
}

.btn-olympiad-secondary {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  transition: all 0.2s ease;
}

.btn-olympiad-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* Olympiad Info Modal & Registration */
.olympiad-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(8px);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.olympiad-modal-backdrop.active {
  display: flex;
}

.olympiad-modal-content {
  background: #0f172a;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 20px;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  padding: 2rem;
  color: #f8fafc;
  position: relative;
  animation: modalScaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleUp {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.olympiad-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #1e293b;
  border: 1px solid #334155;
  color: #94a3b8;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.15s ease;
}

.olympiad-close-btn:hover {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
}

/* Light Mode Overrides for Olympiad Modal */
[data-theme="light"] .olympiad-modal-content {
  background: #ffffff;
  border-color: #e5ded3;
  color: #0a0e1a;
  box-shadow: 0 25px 60px rgba(28, 25, 23, 0.2);
}
[data-theme="light"] .olympiad-modal-content h2 {
  color: #0a0e1a !important;
}
[data-theme="light"] .olympiad-modal-content p,
[data-theme="light"] .olympiad-modal-content label {
  color: #2c384a !important;
}
[data-theme="light"] .olympiad-modal-content input,
[data-theme="light"] .olympiad-modal-content select {
  background: #fbf9f5 !important;
  border-color: #e5ded3 !important;
  color: #0a0e1a !important;
}
[data-theme="light"] .olympiad-close-btn {
  background: #f4f0e8;
  border-color: #e5ded3;
  color: #475569;
}


/* Mobile Bottom Navigation */
.mobile-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 999;
}

@media (min-width: 768px) {
  .mobile-nav {
    display: none;
  }
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.72rem;
  color: var(--text-secondary);
  gap: 0.2rem;
  font-weight: 500;
}

.mobile-nav-item.active {
  color: var(--accent-primary);
}

.mobile-nav-item i {
  font-size: 1.15rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-gradient {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.4);
}

.btn-gradient:hover {
  opacity: 0.95;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--text-secondary);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: var(--bg-surface-hover);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.825rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

/* Cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.card-hover:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-md);
}

/* Aspirant Floating Tool Dock (Right Side) */
.aspirant-dock {
  position: fixed;
  right: 1.25rem;
  bottom: 5.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 80;
}

@media (min-width: 768px) {
  .aspirant-dock {
    bottom: 2rem;
  }
}

.dock-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.dock-btn:hover {
  background: var(--accent-primary);
  color: #ffffff;
  transform: scale(1.08);
}

/* Scratchpad Drawer Modal */
.scratchpad-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.scratchpad-modal.open {
  display: flex;
}

.scratchpad-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.scratchpad-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.scratchpad-canvas {
  width: 100%;
  height: 380px;
  background: #0f1422;
  cursor: crosshair;
}

.scratchpad-toolbar {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* KBC-Style Timed Quiz Arena Styles */
.arena-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  background: var(--bg-surface);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.arena-progress {
  flex: 1;
  max-width: 300px;
  margin: 0 1.5rem;
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition-smooth);
}

/* Pulsating Circular Countdown Timer */
.timer-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timer-ring {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--accent-primary);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.timer-ring.pulse-urgent {
  border-color: var(--danger);
  color: var(--danger);
  animation: pulse-border 0.6s infinite alternate;
}

@keyframes pulse-border {
  from { transform: scale(1); box-shadow: 0 0 0 rgba(239, 68, 68, 0.4); }
  to { transform: scale(1.08); box-shadow: 0 0 16px rgba(239, 68, 68, 0.7); }
}

/* Anti-cheat banner & Strict Integrity Styles */
.question-card, .options-grid {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.anti-cheat-alert {
  background: rgba(239, 68, 68, 0.25);
  border: 1.5px solid var(--danger);
  color: #fee2e2;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  display: none;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: 0 0 25px rgba(239, 68, 68, 0.45);
  animation: shakeAlert 0.4s ease-in-out;
}

@keyframes shakeAlert {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.anti-cheat-alert.show {
  display: flex;
}

.option-btn.cheated-disqualified {
  border-color: var(--danger) !important;
  background: rgba(239, 68, 68, 0.12) !important;
  opacity: 0.65;
  cursor: not-allowed;
  text-decoration: line-through;
}

.anti-cheat-toast {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: #b91c1c;
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  animation: fadeInDown 0.3s ease-in-out;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translate(-50%, -15px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Question Box */
.question-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
}

.question-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.question-text {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .question-text {
    font-size: 1.4rem;
  }
}

/* Options Grid */
.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .options-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.option-btn {
  background: var(--bg-surface-elevated);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.25rem;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition-fast);
  position: relative;
  user-select: none;
}

.option-key {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.option-btn:hover:not(:disabled) {
  background: var(--bg-surface-hover);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.option-btn:hover:not(:disabled) .option-key {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

.option-btn.selected {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.15);
}

.option-btn.selected .option-key {
  background: var(--accent-primary);
  color: #ffffff;
}

.option-btn.correct {
  border-color: var(--success) !important;
  background: var(--success-bg) !important;
  color: #ffffff;
}

.option-btn.correct .option-key {
  background: var(--success);
  color: #ffffff;
  border-color: var(--success);
}

.option-btn.wrong {
  border-color: var(--danger) !important;
  background: var(--danger-bg) !important;
  color: #ffffff;
}

.option-btn.wrong .option-key {
  background: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

/* Pedagogical Learn-After-Answer Box */
.explanation-card {
  margin-top: 1.5rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  animation: fadeIn 0.3s ease-in-out;
}

.concept-pill {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.exam-trap-box {
  background: rgba(245, 158, 11, 0.1);
  border: 1px dashed var(--warning);
  color: #fcd34d;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.source-citation {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Confetti Canvas */
#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
}

/* ==========================================================================
   BHARAT QUIZ LEAGUE (BQL) - CLEAN STREAMLINED HOMEPAGE DESIGN SYSTEM
   ========================================================================== */

/* Hero Section */
.bql-hero {
  position: relative;
  background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.15) 0%, rgba(15, 23, 42, 0.85) 60%, var(--bg-main) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 3rem 1.5rem 2.5rem;
  margin-bottom: 2.5rem;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.bql-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.35rem 0.95rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

.bql-hero-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.18;
  letter-spacing: -0.025em;
  max-width: 860px;
  margin: 0 auto 1rem;
}

.bql-hero-desc {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 1.85rem;
  line-height: 1.6;
}

/* Hero High-Contrast Action Buttons */
.bql-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-hero-demo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff !important;
  font-size: 1.05rem;
  font-weight: 800;
  padding: 0.85rem 1.75rem;
  border-radius: 9999px;
  text-decoration: none !important;
  box-shadow: 0 10px 25px rgba(2, 132, 199, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(56, 189, 248, 0.5);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.btn-hero-demo:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(2, 132, 199, 0.55);
  filter: brightness(1.08);
}

.btn-hero-register {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: #ffffff !important;
  font-size: 1.05rem;
  font-weight: 800;
  padding: 0.85rem 1.75rem;
  border-radius: 9999px;
  text-decoration: none !important;
  box-shadow: 0 10px 25px rgba(234, 88, 12, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(251, 146, 60, 0.5);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.btn-hero-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(234, 88, 12, 0.6);
  filter: brightness(1.08);
}

.btn-hero-app {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1.5px solid rgba(16, 185, 129, 0.45);
  color: #34d399 !important;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.85rem 1.4rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.15);
}

.btn-hero-app:hover {
  background: rgba(16, 185, 129, 0.25);
  transform: translateY(-2px);
}

/* Quick Features Ticker Bar */
.bql-quick-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.bql-quick-stat-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* 3 Core Feature Pillars */
.bql-pillars-grid {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  margin-bottom: 3.5rem;
}

.bql-pillar-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: border-color 0.25s ease;
}

.bql-pillar-card.pillar-kids {
  border-top: 5px solid #f59e0b;
}

.bql-pillar-card.pillar-gk {
  border-top: 5px solid #0284c7;
}

.bql-pillar-card.pillar-exams {
  border-top: 5px solid #6366f1;
}

.bql-pillar-header {
  padding: 1.5rem 1.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
}

.bql-pillar-heading-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.bql-pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.pillar-kids .bql-pillar-icon {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.pillar-gk .bql-pillar-icon {
  background: rgba(2, 132, 199, 0.15);
  color: #0284c7;
}

.pillar-exams .bql-pillar-icon {
  background: rgba(99, 102, 241, 0.15);
  color: #6366f1;
}

.bql-pillar-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 0.25rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.bql-pillar-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.45;
}

/* Sub-Options Grid inside Pillar */
.bql-suboptions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  padding: 1.5rem 1.75rem;
}

.bql-suboption-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.25rem;
  text-decoration: none !important;
  transition: all 0.2s ease;
  position: relative;
}

.bql-suboption-item:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.pillar-kids .bql-suboption-item:hover {
  border-color: rgba(245, 158, 11, 0.5);
}

.pillar-gk .bql-suboption-item:hover {
  border-color: rgba(2, 132, 199, 0.5);
}

.bql-suboption-top {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}

.bql-suboption-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.bql-suboption-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.2rem 0;
}

.bql-suboption-text {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.45;
}

.bql-suboption-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.bql-suboption-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.bql-suboption-btn {
  font-size: 0.82rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.pillar-kids .bql-suboption-btn { color: #f59e0b; }
.pillar-gk .bql-suboption-btn { color: #0284c7; }
.pillar-exams .bql-suboption-btn { color: #6366f1; }

/* BQL App Promo Section */
.bql-app-promo-card {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1.5px solid rgba(16, 185, 129, 0.35);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .bql-hero {
    padding: 2rem 1rem 1.75rem;
  }
  .bql-suboptions-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
}