/* ==========================================================================
   CORE INSTITUTE OF TECHNOLOGY - EVENTS PORTAL
   Custom Dark Architectural Theme
   ========================================================================== */

:root {
  /* Core Color Palette */
  --bg-main: #070B14;
  --bg-secondary: #0B1120;
  --bg-card: #101827;
  --bg-elevated: #131D2E;
  
  /* Typography Colors */
  --text-main: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-secondary-light: #CBD5E1;
  --text-muted: #64748B;

  /* Accents */
  --brand-blue: #4F7CFF;
  --brand-indigo: #6366F1;
  --brand-blue-glow: rgba(79, 124, 255, 0.25);
  --brand-hover: #3b66e8;
  --accent-amber: #F59E0B;
  --accent-amber-bg: rgba(245, 158, 11, 0.12);
  --accent-emerald: #10B981;
  --accent-emerald-bg: rgba(16, 185, 129, 0.12);
  --accent-rose: #F43F5E;
  --accent-rose-bg: rgba(244, 63, 94, 0.12);

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(79, 124, 255, 0.45);
  --border-card-hover: rgba(79, 124, 255, 0.35);

  /* Typography Stacks */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;

  /* Spacing & Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   BASE & RESET
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
}

a {
  color: var(--brand-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--brand-hover);
}

.text-brand {
  color: var(--brand-blue) !important;
}
.text-amber {
  color: var(--accent-amber) !important;
}
.text-secondary-light {
  color: var(--text-secondary-light) !important;
}
.bg-elevated {
  background-color: var(--bg-elevated) !important;
}

.py-6 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (max-width: 768px) {
  .py-6 {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
}

/* ==========================================================================
   NAVIGATION / HEADER
   ========================================================================== */
.site-header {
  top: 0;
  width: 100%;
  padding: 1.1rem 0;
  background-color: transparent;
  transition: background-color var(--transition-smooth),
              backdrop-filter var(--transition-smooth),
              border-bottom var(--transition-smooth),
              padding var(--transition-smooth);
  z-index: 1030;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background-color: rgba(7, 11, 20, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
}

/* Brand Identity */
.brand-badge {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-indigo));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(79, 124, 255, 0.3);
}
.brand-badge.small {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}
.brand-text {
  display: flex;
  flex-direction: column;
}
.brand-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.brand-sub {
  font-size: 0.68rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Nav links */
.navbar-nav .nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Header Action Buttons */
.btn-icon-ghost {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}
.btn-icon-ghost:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-brand-primary {
  background-color: var(--brand-blue);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 4px 16px rgba(79, 124, 255, 0.25);
  transition: all var(--transition-fast);
}
.btn-brand-primary:hover {
  background-color: var(--brand-hover);
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(79, 124, 255, 0.35);
  transform: translateY(-1px);
}
.btn-brand-primary:active {
  transform: translateY(0);
}

.btn-brand-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}
.btn-brand-secondary:hover {
  background-color: rgba(255, 255, 255, 0.09);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.15);
}

/* Offcanvas custom dark */
.offcanvas {
  background-color: var(--bg-secondary) !important;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================= */
.hero-section {
  padding-top: 8.5rem;
  padding-bottom: 5.5rem;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-main);
}

@media (max-width: 991px) {
  .hero-section {
    padding-top: 7rem;
    padding-bottom: 4rem;
  }
}

/* Subtle Architectural Grid Texture */
.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 40%, transparent 85%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 30%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79, 124, 255, 0.08) 0%, rgba(99, 102, 241, 0.03) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: rgba(79, 124, 255, 0.08);
  border: 1px solid rgba(79, 124, 255, 0.2);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--brand-blue);
}

.status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--brand-blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--brand-blue);
}

.hero-heading {
  font-size: clamp(2.35rem, 4.2vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--brand-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-description {
  font-size: 1rem;
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 1.8rem;
}

/* Mini Stats Row */
.hero-ministats {
  border-top: 1px solid var(--border-subtle);
}

.stat-mini-card {
  display: flex;
  flex-direction: column;
}
.stat-mini-num {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
}
.stat-mini-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Featured Event Panel (Hero Right) */
.hero-featured-panel {
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  transition: border-color var(--transition-fast);
}
.hero-featured-panel:hover {
  border-color: rgba(79, 124, 255, 0.3);
}

.badge-tag-amber {
  background-color: var(--accent-amber-bg);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.25);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.28rem 0.65rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
}

.badge-tag-blue {
  background-color: rgba(79, 124, 255, 0.12);
  color: var(--brand-blue);
  border: 1px solid rgba(79, 124, 255, 0.25);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.28rem 0.65rem;
  border-radius: 6px;
}

.status-indicator-live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-emerald);
}

.pulse-ring {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseEmerald 2s infinite;
}

@keyframes pulseEmerald {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.panel-title {
  font-size: 1.45rem;
  line-height: 1.3;
}

.panel-excerpt {
  font-size: 0.92rem;
  line-height: 1.6;
}

.panel-meta-box {
  background-color: rgba(7, 11, 20, 0.6);
  border: 1px solid var(--border-subtle);
}

.meta-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.meta-val {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

.avatar-stack {
  margin-left: 4px;
}
.avatar-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--bg-card);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-left: -6px;
}

.btn-panel-action {
  background-color: var(--brand-blue);
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}
.btn-panel-action:hover {
  background-color: var(--brand-hover);
  color: #FFFFFF;
  transform: translateX(2px);
}

/* ==========================================================================
   EVENT DISCOVERY & FILTERS
   ========================================================================== */
.discovery-section {
  position: relative;
  z-index: 20;
}

.discovery-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.form-label-custom {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  display: block;
}

.input-icon-group {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon-group .search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
}
.input-icon-group .custom-input {
  padding-left: 2.5rem;
}

.custom-input,
.custom-select {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  padding: 0.65rem 0.95rem;
  min-height: 46px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.custom-input:focus,
.custom-select:focus {
  background-color: var(--bg-elevated);
  border-color: var(--border-focus);
  color: var(--text-main);
  box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.15);
  outline: none;
}

.custom-input::placeholder {
  color: var(--text-muted);
}

.custom-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394A3B8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.btn-reset-filter {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.btn-reset-filter:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   UPCOMING EVENTS SECTION
   ========================================================================== */
.section-sub-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand-blue);
  margin-bottom: 0.4rem;
}

.section-title {
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 620px;
}

.badge-counter {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary-light);
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
}

/* Filter Pills */
.filter-pills-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
}

.filter-pill {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-pill:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.04);
}
.filter-pill.active {
  background-color: var(--bg-card);
  color: var(--brand-blue);
  border-color: rgba(79, 124, 255, 0.3);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  font-weight: 600;
}

/* Modern Event Cards */
.event-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform var(--transition-smooth),
              border-color var(--transition-smooth),
              box-shadow var(--transition-smooth);
}
.event-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-card-hover);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.event-card-body {
  padding: 1.6rem 1.6rem 1rem;
}

/* Date Badge Block */
.date-badge {
  background: linear-gradient(180deg, var(--bg-elevated) 0%, rgba(19, 29, 46, 0.4) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.4rem 0.75rem;
  text-align: center;
  min-width: 54px;
}
.date-badge-day {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1;
}
.date-badge-month {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-amber);
}

.event-pill-cat {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand-blue);
}

.badge-status {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}
.badge-status.open {
  background-color: var(--accent-emerald-bg);
  color: var(--accent-emerald);
}
.badge-status.fast-filling {
  background-color: var(--accent-amber-bg);
  color: var(--accent-amber);
}
.badge-status.urgent {
  background-color: var(--accent-rose-bg);
  color: var(--accent-rose);
}

.event-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 0.75rem;
  margin-bottom: 0.6rem;
  line-height: 1.35;
}
.event-title a {
  color: var(--text-main);
}
.event-title a:hover {
  color: var(--brand-blue);
}
.details{
    color: #fff;
}
.event-image {
    width: 100%;
    height: 170px;
    margin: 1rem 0 1.15rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    background: var(--bg-elevated);
}

.event-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.event-card:hover .event-image img {
    transform: scale(1.03);
}

@media (max-width: 576px) {
    .event-image {
        height: 180px;
    }
}
.badge-price {
    display: inline-flex;
    align-items: center;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 5px;
    letter-spacing: 0.01em;
}

.badge-price.free {
    color: #34d399;
    background: rgba(16, 185, 129, 0.10);
    border: 1px solid rgba(16, 185, 129, 0.22);
}

.badge-price.paid {
    color: #fbbf24;
    background: rgba(245, 158, 11, 0.10);
    border: 1px solid rgba(245, 158, 11, 0.22);
}

.event-description {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.event-meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}
.meta-item {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.meta-item i {
  color: var(--brand-blue);
  font-size: 0.9rem;
}
.event-card-footer {
    padding: 1rem 1.6rem 1.4rem;
}

.event-footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
}

.event-footer-row .badge-status {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    flex-shrink: 0;
}

.event-footer-row .btn-card-action {
    width: auto !important;
    flex: 0 0 auto;
    min-width: 145px;

    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}
.btn-card-action {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary-light);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
}
.btn-card-action:hover {
  background-color: var(--brand-blue);
  border-color: var(--brand-blue);
  color: #FFFFFF;
}


.host-avatar {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: rgba(79, 124, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   CATEGORIES SECTION
   ========================================================================== */
.category-card {
  display: flex;
  align-items: center;
  padding: 1.25rem 1.4rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-smooth);
}
.category-card:hover {
  background-color: var(--bg-elevated);
  border-color: var(--border-card-hover);
  transform: translateY(-2px);
}

.category-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background-color: rgba(79, 124, 255, 0.08);
  border: 1px solid rgba(79, 124, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--brand-blue);
  flex-shrink: 0;
  margin-right: 1.1rem;
}

.category-info {
  flex-grow: 1;
}
.category-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.15rem;
}
.category-count {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.category-arrow {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}
.category-card:hover .category-arrow {
  color: var(--brand-blue);
  transform: translate(3px, -3px);
}



/* ==========================================================================
   SPEAKERS SECTION
   ========================================================================== */
.speaker-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}
.speaker-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-card-hover);
}

.speaker-avatar-frame {
  height: 190px;
  position: relative;
  overflow: hidden;
}

.speaker-placeholder-visual {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}
.sp-bg-1 { background: radial-gradient(circle at center, #263859 0%, #101c30 100%); }
.sp-bg-2 { background: radial-gradient(circle at center, #302659 0%, #191433 100%); }
.sp-bg-3 { background: radial-gradient(circle at center, #1b3842 0%, #0d1e24 100%); }
.sp-bg-4 { background: radial-gradient(circle at center, #422d1b 0%, #21160d 100%); }

.speaker-initials {
  font-size: 2.8rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: -0.05em;
}

.speaker-badge-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: rgba(7, 11, 20, 0.75);
  backdrop-filter: blur(8px);
  color: var(--brand-blue);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
}

.speaker-body {
  padding: 1.4rem;
}

.speaker-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.speaker-role {
  font-size: 0.82rem;
  color: var(--brand-blue);
  font-weight: 500;
  margin-bottom: 1rem;
}

.speaker-topic {
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
}
.topic-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
}
.topic-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary-light);
  line-height: 1.4;
  margin-top: 0.15rem;
  margin-bottom: 0;
}



/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
    padding-top: 20px;
  background-color: var(--bg-main);
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.65;
}

.footer-heading {
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.footer-nav li {
  margin-bottom: 0.6rem;
}
.footer-nav a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}
.footer-nav a:hover {
  color: var(--brand-blue);
}

.footer-contact-list li {
  font-size: 0.88rem;
  line-height: 1.5;
}

.social-link-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.social-link-btn:hover {
  background-color: var(--brand-blue);
  color: #FFFFFF;
  border-color: var(--brand-blue);
  transform: translateY(-2px);
}

/* ==========================================================================
   ACCESSIBILITY & RESPONSIVE REFINEMENTS
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 2px;
}

/* Ensure minimum touch target on mobile */
@media (max-width: 767px) {
  .btn, .nav-link, .category-card, .filter-pill {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

nav a img{
    width: 200px;
}
.footer-logo img{
    width: 170px;
}

.badge-status.closed {
    background: rgba(239, 68, 68, 0.12);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.25);
}