/* ═══════════════════════════════════════════════════════════════
   LANDING PAGE — Dark Theme with Tab-Based Hub Design
   ═══════════════════════════════════════════════════════════════ */

/* ── Hub Tabs ── */
.hub-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-full);
  padding: 4px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.hub-tab {
  padding: 10px 28px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 14px;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.hub-tab:hover { color: var(--color-text); }
.hub-tab.active {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(108, 92, 231, 0.3);
}
.hub-tab.event-tab.active { background: linear-gradient(135deg, #6c5ce7, #a855f7); }
.hub-tab.innovation-tab.active { background: linear-gradient(135deg, #00cec9, #22d3ee); }

/* ── Hub sections (hidden by default, toggled by tabs) ── */
.hub-section { display: none; }
.hub-section.active { display: block; animation: fadeIn 0.3s ease; }

/* ── Hero Badge ── */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(108, 92, 231, 0.12);
  border: 1px solid rgba(108, 92, 231, 0.25);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-md);
  animation: fadeIn 0.6s ease;
}
.hero-badge strong {
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-badge--teal {
  background: rgba(0, 206, 201, 0.1);
  border-color: rgba(0, 206, 201, 0.25);
  color: var(--color-secondary);
}
.hero-badge--teal strong {
  background: linear-gradient(135deg, #00cec9, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.landing-logo {
  display: block;
  height: 64px;
  width: auto;
  margin: var(--space-md) 0 var(--space-sm);
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

/* ── Hero ── */
.hero {
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -20%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 206, 201, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-copy h1 {
  font-size: 48px;
  line-height: 1.08;
  margin: var(--space-md) 0;
  letter-spacing: -0.03em;
}
.hero-copy h1 .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}
.hero-actions { display: flex; gap: var(--space-sm); }

/* ── Hero Panel (Estimator) ── */
.hero-panel {
  padding: var(--space-lg);
}
.hero-panel h3 {
  margin-bottom: var(--space-md);
  font-size: 18px;
}

.qe-result {
  margin-top: var(--space-sm);
  font-weight: 600;
  color: var(--color-secondary);
  padding: var(--space-sm);
  background: var(--color-secondary-light);
  border-radius: var(--radius-md);
  font-size: 14px;
}

/* ── Occasion Gallery ── */
.occasion-gallery,
.innovation-gallery {
  padding: var(--space-xl) 0;
  text-align: center;
}
.occasion-gallery h2,
.innovation-gallery h2 { margin-bottom: 4px; }
.section-sub { color: var(--color-muted); margin-bottom: var(--space-lg); font-size: 15px; }
.occasion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-md);
}
.occasion-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  border: 1px solid var(--color-glass-border);
  transition: all var(--transition-normal);
}
.occasion-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow-primary);
  border-color: rgba(108, 92, 231, 0.3);
}
.occasion-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}
.occasion-item:hover img { transform: scale(1.08); }
.occasion-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-md) var(--space-sm);
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ── Innovation Gallery Items ── */
.innovation-grid .occasion-item {
  border-color: rgba(0, 206, 201, 0.15);
}
.innovation-grid .occasion-item:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-glow-secondary);
}

/* ── Stats ── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); padding: var(--space-xl) 0; }

/* ── Hub Cards (Event/Innovation side by side) ── */
.hub-cards { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); padding-bottom: var(--space-xl); }
.hub-card {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-glass-border);
  background: var(--gradient-card);
  backdrop-filter: var(--glass-blur);
  transition: all var(--transition-normal);
}
.hub-card:hover { border-color: rgba(255,255,255,0.12); }
.hub-card.event-card-accent { border-top: 3px solid var(--color-primary); }
.hub-card.innovation-card-accent { border-top: 3px solid var(--color-secondary); }
.hub-card h2 { margin-bottom: var(--space-sm); font-size: 22px; }
.hub-card .checklist { padding-left: 18px; font-size: 14px; line-height: 1.9; }
.hub-card .checklist li { color: var(--color-text-secondary); }

/* ── How It Works ── */
.how-it-works { padding-bottom: var(--space-xl); }
.how-it-works h2 { margin-bottom: var(--space-lg); text-align: center; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.step-card {
  text-align: center;
  padding: var(--space-lg);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  transition: all var(--transition-normal);
}
.step-card:hover { border-color: rgba(255,255,255,0.12); transform: translateY(-2px); }
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: var(--space-md);
  box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}
.step-card h3 { font-size: 15px; margin-bottom: var(--space-xs); }
.step-card p { font-size: 13px; color: var(--color-muted); line-height: 1.5; }

/* ── Categories ── */
.categories { padding-bottom: var(--space-xl); }
.categories h2 { margin-bottom: var(--space-md); }

/* ── Innovation Hub Specific ── */
.innovation-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.competition-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  transition: all var(--transition-normal);
}
.competition-card:hover { border-color: var(--color-secondary); box-shadow: var(--shadow-glow-secondary); }
.competition-card h3 { font-size: 16px; margin-bottom: var(--space-xs); }
.competition-card .comp-status { font-size: 12px; color: var(--color-secondary); font-weight: 600; text-transform: uppercase; }
.competition-card .comp-meta { font-size: 13px; color: var(--color-muted); margin-top: var(--space-sm); }

/* ── Typewriter ── */
.typewriter {
  display: inline-block;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  min-width: 0;
}
.gradient-text--teal {
  background: linear-gradient(135deg, #00cec9, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.typewriter-cursor {
  display: inline-block;
  font-weight: 100;
  animation: blink 0.7s step-end infinite;
  color: var(--color-primary);
  -webkit-text-fill-color: var(--color-primary);
}
.typewriter-cursor--teal {
  color: #00cec9;
  -webkit-text-fill-color: #00cec9;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner, .hub-cards, .stats { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 36px; }
  .typewriter, .typewriter-cursor { font-size: 36px; }
  .hero { padding: var(--space-xl) 0; }
  .hero-actions { flex-wrap: wrap; }
  .occasion-grid { grid-template-columns: repeat(3, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .innovation-showcase { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .hero-copy h1 { font-size: 28px; }
  .typewriter-cursor { font-size: 28px; }
  .hero-sub { font-size: 14px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .occasion-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
  .steps-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .hub-tabs { width: 100%; }
  .hub-tab { flex: 1; padding: 10px 12px; font-size: 13px; }
  .occasion-gallery h2, .innovation-gallery h2 { font-size: 22px; }
}
@media (max-width: 480px) {
  .hero-copy h1 { font-size: 24px; }
  .typewriter-cursor { font-size: 24px; }
  .hero-panel { padding: var(--space-md); }
  .occasion-grid { grid-template-columns: 1fr 1fr; gap: var(--space-xs); }
  .occasion-item { border-radius: var(--radius-md); }
  .occasion-label { font-size: 10px; padding: var(--space-sm) var(--space-xs) var(--space-xs); }
  .steps-grid { grid-template-columns: 1fr; }
  .hub-tabs { flex-direction: column; border-radius: var(--radius-lg); }
  .hub-tab { border-radius: var(--radius-md); }
  .innovation-icon { font-size: 36px; }
  .stats { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
  .stat-number { font-size: 20px; }
  .container { padding-left: var(--space-sm); padding-right: var(--space-sm); }
}