/* ==========================================================================
   VADIVA TECH & DESIGN FEST '26 - UI/UX PRO MAX DESIGN SYSTEM
   Prefix/Scope: .techfest-theme
   Author: Vadiva Design System Team
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* ── 8pt Spacing Scale Tokens ── */
  --tf-space-1: 4px;
  --tf-space-2: 8px;
  --tf-space-3: 12px;
  --tf-space-4: 16px;
  --tf-space-5: 20px;
  --tf-space-6: 24px;
  --tf-space-8: 32px;
  --tf-space-10: 40px;
  --tf-space-12: 48px;
  --tf-space-16: 64px;
  --tf-space-20: 80px;
  --tf-space-24: 96px;

  /* ── Core Color Palette ── */
  --tf-dark: #071921;             /* Obsidian Deep Navy */
  --tf-dark-surface: #0b232e;     /* Elevated Dark Glass */
  --tf-deep: #0c3c4c;             /* Deep Brand Slate */
  --tf-teal: #0cb8c0;             /* Cyan Spark Primary */
  --tf-teal-glow: rgba(12, 184, 192, 0.22);
  --tf-azure: #0ea5e9;            /* Sky Azure Secondary */
  --tf-coral: #ef4444;            /* High-Conversion Electric Coral */
  --tf-coral-glow: rgba(239, 68, 68, 0.3);
  --tf-yellow: #f59e0b;           /* Amber Gold Accent */
  
  /* ── Neutral & Canvas Tokens ── */
  --tf-white: #ffffff;
  --tf-bg: #f8fafc;
  --tf-surface: #ffffff;
  --tf-border: #e2e8f0;
  --tf-border-dark: rgba(255, 255, 255, 0.1);
  --tf-text: #0f172a;
  --tf-text-secondary: #475569;
  --tf-muted: #64748b;
  --tf-text-dark: #cbd5e1;

  /* ── Typography Tokens ── */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* ── Glassmorphism & Radii ── */
  --tf-radius-sm: 8px;
  --tf-radius-md: 12px;
  --tf-radius-lg: 18px;
  --tf-radius-xl: 24px;
  --tf-radius-full: 9999px;
  
  --glass-blur: 16px;
  --glass-blur-heavy: 24px;
  --tf-shadow-sm: 0 2px 8px rgba(7, 25, 33, 0.04);
  --tf-shadow-md: 0 8px 24px rgba(7, 25, 33, 0.06);
  --tf-shadow-lg: 0 16px 40px rgba(7, 25, 33, 0.1);
  --tf-shadow-glow: 0 0 30px rgba(12, 184, 192, 0.2);

  /* ── Layout Defaults ── */
  --container-max-width: 1240px;
  --page-padding: clamp(16px, 3.5vw, 32px);
  --tf-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Reset & Scoped Base ── */
.techfest-theme {
  background-color: var(--tf-bg);
  color: var(--tf-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.techfest-theme * {
  box-sizing: border-box;
}

.techfest-theme h1, 
.techfest-theme h2, 
.techfest-theme h3, 
.techfest-theme h4,
.techfest-theme h5 {
  font-family: var(--font-heading);
  color: var(--tf-deep);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}

.techfest-theme p {
  margin: 0;
}

/* ── Container Utility ── */
.techfest-theme .container,
.techfest-theme .tf-container {
  width: min(100% - (var(--page-padding) * 2), var(--container-max-width)) !important;
  margin-inline: auto !important;
  padding: 0 !important;
}

/* ==========================================================================
   NAVIGATION BAR (FLOATING FROSTED GLASS)
   ========================================================================== */
.techfest-theme .site-header {
  background: rgba(255, 255, 255, 0.82) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid rgba(255, 255, 255, 0.6) !important;
  box-shadow: 0 8px 32px rgba(7, 25, 33, 0.05) !important;
  position: sticky !important;
  top: 12px !important;
  margin: 12px auto 0 !important;
  width: calc(100% - 24px) !important;
  max-width: var(--container-max-width) !important;
  border-radius: var(--tf-radius-lg) !important;
  z-index: 1000 !important;
  transition: var(--tf-transition) !important;
}

.techfest-theme .header-container {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: clamp(0.5rem, 1.2vw, 1.5rem) !important;
  height: 68px !important;
  padding: 0 clamp(0.875rem, 2vw, 1.5rem) !important;
  width: 100% !important;
}

.techfest-theme .logo a {
  display: flex;
  align-items: center;
}

.techfest-theme nav.main-nav {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex: 1 1 auto !important;
  min-width: 0 !important;
}

.techfest-theme nav.main-nav ul {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: clamp(4px, 0.65vw, 14px) !important;
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.techfest-theme nav.main-nav a {
  color: var(--tf-muted) !important;
  font-family: var(--font-body) !important;
  font-size: clamp(0.72rem, 0.78vw, 0.86rem) !important;
  font-weight: 600 !important;
  padding: 0.45rem clamp(6px, 0.6vw, 10px) !important;
  border-radius: 8px !important;
  text-decoration: none !important;
  position: relative !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  white-space: nowrap !important;
  letter-spacing: -0.01em !important;
}

.techfest-theme nav.main-nav a::after {
  display: none !important;
}

.techfest-theme nav.main-nav a:hover {
  color: var(--tf-teal) !important;
  background: rgba(12, 184, 192, 0.08) !important;
}

.techfest-theme nav.main-nav a.active {
  color: var(--tf-teal) !important;
  font-weight: 700 !important;
  background: rgba(12, 184, 192, 0.14) !important;
}

.techfest-theme .header-action {
  display: flex !important;
  align-items: center !important;
  gap: clamp(0.3rem, 0.5vw, 0.6rem) !important;
  flex-shrink: 0 !important;
}

.techfest-theme .header-action .btn {
  height: 36px !important;
  padding: 0 clamp(0.6rem, 0.75vw, 0.95rem) !important;
  border-radius: var(--tf-radius-md) !important;
  font-family: var(--font-heading) !important;
  font-size: clamp(0.72rem, 0.78vw, 0.82rem) !important;
  font-weight: 700 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-decoration: none !important;
  transition: var(--tf-transition) !important;
  white-space: nowrap !important;
  box-sizing: border-box !important;
}

.techfest-theme .header-action .header-cta {
  background-color: var(--tf-deep) !important;
  color: var(--tf-white) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}
.techfest-theme .header-action .header-cta:hover {
  background-color: #072530 !important;
  transform: translateY(-1.5px) !important;
  box-shadow: 0 4px 14px rgba(12, 60, 76, 0.2) !important;
}

.techfest-theme .header-action .header-payment-btn {
  background-color: rgba(12, 184, 192, 0.08) !important;
  border: 1.5px solid rgba(12, 184, 192, 0.3) !important;
  color: var(--tf-deep) !important;
}
.techfest-theme .header-action .header-payment-btn:hover {
  background-color: var(--tf-teal) !important;
  color: var(--tf-white) !important;
  border-color: var(--tf-teal) !important;
  transform: translateY(-1.5px) !important;
}

/* Mobile Navigation Drawer */
.techfest-theme .mobile-menu-toggle {
  display: none !important;
}

@media (max-width: 1180px) {
  .techfest-theme .mobile-menu-toggle {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: rgba(12, 60, 76, 0.05) !important;
    border: 1px solid rgba(12, 60, 76, 0.1) !important;
    border-radius: var(--tf-radius-sm) !important;
    cursor: pointer !important;
    z-index: 1002 !important;
    padding: 0;
  }
  .techfest-theme .mobile-menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--tf-deep);
    transition: var(--tf-transition);
  }

  .techfest-theme nav.main-nav {
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    width: 300px !important;
    max-width: 85vw !important;
    height: 100vh !important;
    background: rgba(255, 255, 255, 0.96) !important;
    backdrop-filter: blur(24px) !important;
    -webkit-backdrop-filter: blur(24px) !important;
    z-index: 1001 !important;
    padding: var(--tf-space-20) var(--tf-space-6) var(--tf-space-8) !important;
    box-shadow: -10px 0 40px rgba(7, 25, 33, 0.12) !important;
    border-left: 1px solid var(--tf-border) !important;
    transform: translateX(100%) !important;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    justify-content: flex-start !important;
  }

  .techfest-theme nav.main-nav.active {
    transform: translateX(0) !important;
  }

  .techfest-theme nav.main-nav ul {
    flex-direction: column !important;
    align-items: flex-start !important;
    width: 100% !important;
    gap: var(--tf-space-4) !important;
  }

  .techfest-theme nav.main-nav a {
    font-size: 1.05rem !important;
    width: 100% !important;
    display: block !important;
  }

  .techfest-theme .header-action .btn {
    display: none !important;
  }
}

/* ==========================================================================
   HERO SECTION (CYBER-LUXE BENTO MATRIX)
   ========================================================================== */
.tf-hero {
  background-color: var(--tf-dark) !important;
  color: #ffffff;
  padding-top: clamp(48px, 7vw, 88px) !important;
  padding-bottom: clamp(64px, 8vw, 100px) !important;
  position: relative;
  overflow: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(12, 184, 192, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(239, 68, 68, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(12, 60, 76, 0.35) 0%, transparent 75%) !important;
}

/* Geometric Grid Matrix Background */
.tf-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  pointer-events: none;
  mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
}

.tf-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.tf-hero-content {
  animation: tfFadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Eyebrow Pill */
.tf-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--tf-space-2);
  background: rgba(12, 184, 192, 0.1) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--tf-teal);
  border: 1px solid rgba(12, 184, 192, 0.3) !important;
  border-radius: var(--tf-radius-full);
  padding: 0.45rem 1.1rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--tf-space-5);
  box-shadow: 0 0 20px rgba(12, 184, 192, 0.15);
}

.tf-pill-dot {
  width: 8px;
  height: 8px;
  background-color: var(--tf-teal);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--tf-teal);
  animation: tfPulse 2s infinite;
}

@keyframes tfPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.tf-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  color: #ffffff;
  margin-bottom: var(--tf-space-3);
  letter-spacing: -0.03em;
}

.tf-hero h1 .tf-accent {
  background: linear-gradient(135deg, #0cb8c0 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.tf-tagline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--tf-space-2);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: #94a3b8;
  text-transform: uppercase;
  font-weight: 700;
  margin: var(--tf-space-3) 0 var(--tf-space-4);
}

.tf-tagline span {
  color: var(--tf-teal);
}

.tf-hero-desc {
  color: var(--tf-text-dark);
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: var(--tf-space-2);
}

.tf-note {
  font-size: 0.825rem;
  color: #64748b;
  margin-top: var(--tf-space-3);
}

/* CTA Group */
.tf-cta-group {
  display: flex;
  gap: var(--tf-space-4);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--tf-space-6);
}

.tf-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tf-space-2);
  background: linear-gradient(135deg, #f43f5e 0%, #ef4444 100%) !important;
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--tf-radius-md) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  text-decoration: none;
  box-shadow: 0 4px 18px var(--tf-coral-glow) !important;
  transition: var(--tf-transition);
  white-space: nowrap;
}

.tf-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(239, 68, 68, 0.45) !important;
  filter: brightness(1.05);
}

.tf-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tf-space-2);
  background: rgba(255, 255, 255, 0.08) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--tf-radius-md) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.22) !important;
  text-decoration: none;
  transition: var(--tf-transition);
  white-space: nowrap;
}

.tf-btn-outline:hover {
  background: rgba(255, 255, 255, 0.18) !important;
  border-color: rgba(255, 255, 255, 0.45) !important;
  transform: translateY(-2px);
}

/* Stats Bento Matrix in Hero */
.tf-stats-row {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: var(--tf-space-3) !important;
  margin-top: var(--tf-space-10);
  background: rgba(11, 35, 46, 0.65) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(12, 184, 192, 0.18) !important;
  border-radius: var(--tf-radius-lg);
  padding: var(--tf-space-4) !important;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25) !important;
}

.tf-stat {
  text-align: center;
  padding: var(--tf-space-3) var(--tf-space-2) !important;
  border-radius: var(--tf-radius-md);
  border-right: 1px solid rgba(255, 255, 255, 0.08) !important;
  transition: var(--tf-transition);
}

.tf-stat:hover {
  background: rgba(255, 255, 255, 0.03);
}

.tf-stat:last-child {
  border-right: none !important;
}

.tf-stat-num {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--tf-teal);
  display: block;
  line-height: 1;
  margin-bottom: var(--tf-space-1);
}

.tf-stat-lbl {
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

/* Hero Visual / Logo Container */
.tf-hero-logo-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.tf-hero-logo-card {
  background: rgba(11, 35, 46, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(12, 184, 192, 0.25);
  border-radius: var(--tf-radius-xl);
  padding: clamp(24px, 4vw, 48px);
  box-shadow: 
    0 20px 50px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(12, 184, 192, 0.15);
  text-align: center;
  width: 100%;
  max-width: 440px;
  position: relative;
  overflow: hidden;
  transition: var(--tf-transition);
}

.tf-hero-logo-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(12, 184, 192, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.tf-hero-logo-card:hover {
  transform: translateY(-4px);
  border-color: rgba(12, 184, 192, 0.45);
  box-shadow: 
    0 24px 60px rgba(0, 0, 0, 0.5),
    0 0 50px rgba(12, 184, 192, 0.25);
}

.tf-hero-logo {
  width: 100% !important;
  max-width: 280px !important;
  height: auto !important;
  object-fit: contain;
  margin: 0 auto;
  display: block;
}

.tf-hero-card-meta {
  margin-top: var(--tf-space-4);
  padding-top: var(--tf-space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-around;
  color: #94a3b8;
  font-size: 0.8rem;
  font-weight: 600;
}

@media (max-width: 960px) {
  .tf-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .tf-tagline {
    justify-content: center;
  }
  .tf-hero-desc {
    margin-inline: auto;
  }
  .tf-cta-group {
    justify-content: center;
  }
  .tf-hero-logo-card {
    max-width: 360px;
    margin-top: var(--tf-space-4);
  }
}

@media (max-width: 640px) {
  .tf-stats-row {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--tf-space-2) !important;
  }
  .tf-stat:nth-child(2) {
    border-right: none !important;
  }
}

/* ==========================================================================
   SECTION HEADERS (REFINED TYPOGRAPHY HIERARCHY)
   ========================================================================== */
.tf-section-header {
  text-align: center;
  margin-bottom: var(--tf-space-12);
}

.tf-section-eyebrow {
  display: inline-block;
  color: var(--tf-teal);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--tf-space-2);
}

.tf-section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  font-weight: 800;
  color: var(--tf-deep);
  letter-spacing: -0.025em;
  margin-bottom: var(--tf-space-2);
}

.tf-section-header p {
  color: var(--tf-muted);
  font-size: 1.05rem;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ==========================================================================
   FOUR PILLARS (BENTO GRID WITH LUMINOUS PODS)
   ========================================================================== */
.tf-pillars {
  padding: var(--tf-space-20) 0;
  background: transparent;
}

.tf-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--tf-space-6);
}

.tf-pillar-card {
  background: rgba(255, 255, 255, 0.88) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.8) !important;
  border-radius: var(--tf-radius-xl) !important;
  padding: var(--tf-space-8) var(--tf-space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--tf-shadow-md) !important;
  transition: var(--tf-transition);
  position: relative;
  overflow: hidden;
}

.tf-pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: var(--tf-transition);
}

.tf-pillar-card.pillar-explorer::before { background: #10b981; }
.tf-pillar-card.pillar-maker::before { background: #06b6d4; }
.tf-pillar-card.pillar-competitor::before { background: #ef4444; }
.tf-pillar-card.pillar-innovator::before { background: #f59e0b; }

.tf-pillar-card:hover {
  transform: translateY(-6px) !important;
  box-shadow: var(--tf-shadow-lg) !important;
  background: #ffffff !important;
  border-color: rgba(12, 184, 192, 0.3) !important;
}

.tf-pillar-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--tf-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--tf-space-4);
  transition: var(--tf-transition);
}

.tf-pillar-card:hover .tf-pillar-icon {
  transform: scale(1.08);
}

.tf-pillar-icon.green  { background: rgba(16, 185, 129, 0.12); color: #059669; }
.tf-pillar-icon.blue   { background: rgba(6, 182, 212, 0.12); color: #0891b2; }
.tf-pillar-icon.red    { background: rgba(239, 68, 68, 0.12); color: #dc2626; }
.tf-pillar-icon.yellow { background: rgba(245, 158, 11, 0.12); color: #d97706; }

.tf-pillar-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--tf-deep);
  margin-bottom: var(--tf-space-2);
}

.tf-pillar-card p {
  font-size: 0.925rem;
  color: var(--tf-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--tf-space-6);
  flex: 1;
}

.tf-pass-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--tf-space-1);
  padding: 0.4rem 1rem;
  border-radius: var(--tf-radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.tf-pass-green  { background: rgba(16, 185, 129, 0.09); color: #047857; border-color: rgba(16, 185, 129, 0.25); }
.tf-pass-blue   { background: rgba(6, 182, 212, 0.09); color: #0e7490; border-color: rgba(6, 182, 212, 0.25); }
.tf-pass-red    { background: rgba(239, 68, 68, 0.09); color: #b91c1c; border-color: rgba(239, 68, 68, 0.25); }
.tf-pass-gold   { background: rgba(245, 158, 11, 0.09); color: #b45309; border-color: rgba(245, 158, 11, 0.25); }

@media (max-width: 1080px) {
  .tf-pillars-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .tf-pillars-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   WHAT'S INSIDE (DARK BENTO CATALOGUES)
   ========================================================================== */
.tf-catalogues {
  padding: var(--tf-space-24) 0;
  background: #081a22 !important;
  position: relative;
  overflow: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(12, 184, 192, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 90% 80%, rgba(239, 68, 68, 0.04) 0%, transparent 40%) !important;
}

.tf-catalogues .tf-section-header h2 {
  color: #ffffff !important;
}

.tf-catalogues .tf-section-header p {
  color: #94a3b8 !important;
}

.tf-cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--tf-space-6);
}

.tf-cat-card {
  background: rgba(11, 35, 46, 0.72) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(12, 184, 192, 0.22) !important;
  border-radius: var(--tf-radius-xl) !important;
  padding: var(--tf-space-8);
  display: flex;
  flex-direction: column;
  gap: var(--tf-space-4);
  transition: var(--tf-transition);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25) !important;
  position: relative;
}

.tf-cat-card:hover {
  transform: translateY(-6px) !important;
  border-color: rgba(12, 184, 192, 0.5) !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(12, 184, 192, 0.15) !important;
}

.tf-cat-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.tf-cat-num {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--tf-teal);
  line-height: 1;
}

.tf-cat-type-pill {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--tf-radius-full);
  background: rgba(255, 255, 255, 0.06);
  color: #94a3b8;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tf-cat-card h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: #ffffff;
}

.tf-cat-card p {
  font-size: 0.925rem;
  color: var(--tf-text-dark);
  line-height: 1.6;
}

.tf-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tf-space-2);
  margin-top: var(--tf-space-2);
}

.tf-tag {
  background: rgba(255, 255, 255, 0.06) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  color: #cbd5e1;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--tf-radius-full);
  transition: var(--tf-transition);
}

.tf-tag:hover {
  background: rgba(12, 184, 192, 0.15) !important;
  border-color: rgba(12, 184, 192, 0.35) !important;
  color: #ffffff;
}

.tf-cat-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--tf-space-2);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  background: rgba(12, 184, 192, 0.12) !important;
  border: 1.5px solid rgba(12, 184, 192, 0.35) !important;
  padding: 0.75rem 1.25rem;
  border-radius: var(--tf-radius-md);
  margin-top: auto;
  transition: var(--tf-transition);
}

.tf-cat-link span.arrow {
  transition: transform 0.2s ease;
}

.tf-cat-link:hover {
  background: var(--tf-teal) !important;
  color: #ffffff !important;
  border-color: var(--tf-teal) !important;
  box-shadow: 0 4px 16px rgba(12, 184, 192, 0.3);
}

.tf-cat-link:hover span.arrow {
  transform: translateX(4px);
}

@media (max-width: 960px) {
  .tf-cat-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   3-DAY FESTIVAL ROADMAP / SCHEDULE (NEW BENTO FLOW)
   ========================================================================== */
.tf-schedule {
  padding: var(--tf-space-20) 0;
  background: transparent;
}

.tf-schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--tf-space-6);
}

.tf-schedule-card {
  background: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--tf-border) !important;
  border-radius: var(--tf-radius-xl) !important;
  padding: var(--tf-space-8);
  box-shadow: var(--tf-shadow-md);
  transition: var(--tf-transition);
  display: flex;
  flex-direction: column;
}

.tf-schedule-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--tf-shadow-lg);
  border-color: rgba(12, 184, 192, 0.3);
}

.tf-day-badge {
  display: inline-block;
  width: fit-content;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--tf-radius-full);
  background: rgba(12, 60, 76, 0.06);
  color: var(--tf-deep);
  margin-bottom: var(--tf-space-3);
}

.tf-schedule-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--tf-deep);
  margin-bottom: var(--tf-space-2);
}

.tf-schedule-card p {
  color: var(--tf-text-secondary);
  font-size: 0.925rem;
  line-height: 1.6;
  margin-bottom: var(--tf-space-4);
}

.tf-schedule-items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--tf-space-2);
  border-top: 1px solid var(--tf-border);
  padding-top: var(--tf-space-4);
}

.tf-schedule-item {
  display: flex;
  align-items: center;
  gap: var(--tf-space-2);
  font-size: 0.875rem;
  color: var(--tf-text);
  font-weight: 500;
}

.tf-schedule-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--tf-teal);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .tf-schedule-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   REGISTRATION CTA SECTION (HIGH-CONVERSION TICKET CARD)
   ========================================================================== */
.tf-reg-banner {
  background-color: var(--tf-dark) !important;
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(12, 60, 76, 0.4) 0%, transparent 70%),
    radial-gradient(circle at 80% 20%, rgba(239, 68, 68, 0.08) 0%, transparent 45%) !important;
  color: #ffffff;
  padding: var(--tf-space-20) 0;
  position: relative;
}

.tf-ticket-box {
  background: rgba(11, 35, 46, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(12, 184, 192, 0.3);
  border-radius: var(--tf-radius-xl);
  padding: clamp(32px, 5vw, 64px);
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.tf-ticket-box h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: var(--tf-space-2);
}

.tf-ticket-box p.tf-lead {
  color: #cbd5e1;
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto var(--tf-space-6);
}

.tf-price-display {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: rgba(239, 68, 68, 0.08);
  border: 1.5px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--tf-radius-lg);
  padding: var(--tf-space-4) var(--tf-space-8);
  margin-bottom: var(--tf-space-6);
}

.tf-price-amount {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 900;
  color: #ff5c77;
  line-height: 1;
}

.tf-price-sub {
  font-size: 0.825rem;
  color: #cbd5e1;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: var(--tf-space-1);
}

.tf-ticket-perks {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--tf-space-4) var(--tf-space-6);
  margin-bottom: var(--tf-space-8);
}

.tf-perk {
  display: flex;
  align-items: center;
  gap: var(--tf-space-2);
  color: #e2e8f0;
  font-size: 0.9rem;
  font-weight: 500;
}

.tf-perk-icon {
  color: var(--tf-teal);
  display: flex;
  align-items: center;
}

.tf-reg-actions {
  display: flex;
  gap: var(--tf-space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.tf-btn-dark-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--tf-radius-md) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.25) !important;
  text-decoration: none;
  transition: var(--tf-transition);
}

.tf-btn-dark-outline:hover {
  border-color: #ffffff !important;
  background: rgba(255, 255, 255, 0.18) !important;
  transform: translateY(-2px);
}

/* ==========================================================================
   SCHOOL COORDINATORS HUB
   ========================================================================== */
.tf-coordinators {
  padding: var(--tf-space-20) 0;
  background: transparent;
}

.tf-coord-box {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  background: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--tf-border) !important;
  border-radius: var(--tf-radius-xl) !important;
  padding: clamp(32px, 5vw, 56px);
  box-shadow: var(--tf-shadow-lg) !important;
}

.tf-coord-badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: var(--tf-radius-full);
  background: rgba(12, 60, 76, 0.08);
  color: var(--tf-deep);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--tf-space-3);
}

.tf-coord-box h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--tf-deep);
  margin-bottom: var(--tf-space-2);
}

.tf-coord-box p {
  color: var(--tf-text-secondary);
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: var(--tf-space-6);
}

.tf-download-links {
  display: flex;
  gap: var(--tf-space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--tf-space-6);
  padding-top: var(--tf-space-4);
  border-top: 1px solid var(--tf-border);
}

.tf-dl-link {
  display: inline-flex;
  align-items: center;
  gap: var(--tf-space-2);
  color: var(--tf-deep) !important;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: var(--tf-radius-sm);
  background: rgba(12, 60, 76, 0.04);
  transition: var(--tf-transition);
}

.tf-dl-link:hover {
  background: rgba(12, 184, 192, 0.12);
  color: var(--tf-teal) !important;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.techfest-theme .site-footer {
  background-color: var(--tf-dark) !important;
  color: #94a3b8 !important;
  padding: var(--tf-space-16) 0 var(--tf-space-8) !important;
  border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.techfest-theme .footer-grid {
  display: grid !important;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr !important;
  gap: var(--tf-space-8) !important;
}

.techfest-theme .footer-col h4 {
  color: var(--tf-white) !important;
  font-family: var(--font-heading) !important;
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  margin-bottom: var(--tf-space-4) !important;
  position: relative !important;
}

.techfest-theme .footer-col h4::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--tf-teal);
  margin-top: var(--tf-space-1);
}

.techfest-theme .footer-col ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: var(--tf-space-2) !important;
}

.techfest-theme .footer-col a {
  color: #94a3b8 !important;
  text-decoration: none !important;
  font-size: 0.9rem !important;
  transition: var(--tf-transition) !important;
}

.techfest-theme .footer-col a:hover {
  color: var(--tf-teal) !important;
  padding-left: 2px;
}

.techfest-theme .footer-about p {
  color: #94a3b8 !important;
  font-size: 0.9rem !important;
  line-height: 1.65 !important;
}

.techfest-theme .footer-contact-info p {
  margin-bottom: var(--tf-space-2) !important;
  font-size: 0.875rem !important;
  color: #94a3b8 !important;
}

.techfest-theme .footer-contact-info strong {
  color: #cbd5e1 !important;
}

.techfest-theme .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
  margin-top: var(--tf-space-12) !important;
  padding-top: var(--tf-space-6) !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  flex-wrap: wrap !important;
  gap: var(--tf-space-4) !important;
  color: #64748b !important;
  font-size: 0.85rem !important;
}

@media (max-width: 900px) {
  .techfest-theme .footer-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}
@media (max-width: 540px) {
  .techfest-theme .footer-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
@keyframes tfFadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}