/* ==========================================================================
   IFGSCET-2026 OFFICIAL CONFERENCE STYLESHEET
   National Conference on "Innovations for Future Generation Sustainable Computing and Emerging Technologies"
   Organized by: TGPCET Nagpur | Department of Computer Science & Engineering
   ========================================================================== */

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

:root {
  --primary-navy: #0a192f;
  --primary-dark: #060e1a;
  --primary-blue: #1e40af;
  --accent-blue: #2563eb;
  --accent-cyan: #0284c7;
  --accent-emerald: #059669;
  --accent-emerald-light: #ecfdf5;
  --accent-gold: #d97706;
  --accent-gold-light: #fffbeb;
  --accent-gold-border: #fde68a;
  --text-dark: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --bg-subtle: #f1f5f9;
  --border-light: #e2e8f0;
  --border-subtle: #cbd5e1;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base & Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-body);
  background-color: var(--bg-light);
  line-height: 1.65;
  overflow-x: hidden;
  text-align:justify;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'Inter', sans-serif;
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-blue);
}

img {
  max-width: 100%;
  height: auto;
}

/* Top Announcement Bar */
.top-bar {
  background: linear-gradient(90deg, #071324 0%, #0d254c 100%);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.835rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .badge-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000;
  font-weight: 700;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}

.top-bar a {
  color: rgba(255, 255, 255, 0.85);
  margin-left: 14px;
  font-size: 0.83rem;
  transition: var(--transition);
}

.top-bar a:hover {
  color: #60a5fa;
  text-decoration: none;
}

/* Institutional Header Bar */
.institute-header {
  background: #ffffff;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
}

.inst-logo-badge {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #1e40af 0%, #0f172a 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  box-shadow: 0 4px 10px rgba(30, 64, 175, 0.25);
}

.inst-title h2 {
  font-size: 1.15rem;
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--primary-navy);
  letter-spacing: -0.2px;
}

.inst-title p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.accred-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.accred-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 6px;
  letter-spacing: 0.2px;
  text-transform: uppercase;
}

.accred-naac {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.accred-nba {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.accred-auto {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

/* Main Navigation Bar */
.navbar-custom {
  background: var(--primary-navy);
  box-shadow: 0 4px 16px rgba(10, 25, 47, 0.15);
  padding: 0.4rem 0;
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: var(--transition);
}

.navbar-custom.scrolled {
  background: rgba(10, 25, 47, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.navbar-custom .navbar-brand {
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-custom .navbar-brand span.highlight {
  color: #38bdf8;
}

.navbar-custom .nav-link {
  color: rgba(255, 255, 255, 0.86) !important;
  font-weight: 500;
  font-size: 0.89rem;
  padding: 0.65rem 0.8rem !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link:focus,
.navbar-custom .nav-link.active {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.1);
}

.navbar-custom .nav-item.dropdown:hover .dropdown-menu {
  display: block;
  margin-top: 0;
  animation: fadeInDown 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.dropdown-menu {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  min-width: 220px;
}

.dropdown-item {
  color: var(--text-dark);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.dropdown-item:hover,
.dropdown-item:focus,
.dropdown-item.active {
  background: #eff6ff;
  color: var(--accent-blue);
}

.btn-nav-cta {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #0b132b !important;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.5rem 1.1rem;
  border-radius: 30px;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
  border: none;
  transition: var(--transition);
}

.btn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.5);
  color: #000 !important;
}

.navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.4rem 0.6rem;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Page Subheaders / Breadcrumb Banner */
.page-hero {
  background: linear-gradient(135deg, #071324 0%, #0d254c 60%, #1e40af 100%);
  color: #ffffff;
  padding: 48px 0 44px;
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid var(--accent-gold);
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.15), transparent 45%),
              radial-gradient(circle at 10% 80%, rgba(245, 158, 11, 0.12), transparent 45%);
  pointer-events: none;
}

.page-hero h1 {
  color: #ffffff;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.page-hero p.lead-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  margin-bottom: 0;
  max-width: 750px;
}

.page-hero .breadcrumb {
  background: transparent;
  padding: 0;
  margin-bottom: 12px;
  font-size: 0.84rem;
}

.page-hero .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.7);
}

.page-hero .breadcrumb-item a:hover {
  color: #38bdf8;
}

.page-hero .breadcrumb-item.active {
  color: #fde68a;
  font-weight: 600;
}

.page-hero .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.4);
}

/* Home Hero Banner */
.home-hero {
  background: linear-gradient(135deg, #071324 0%, #0c2340 50%, #1e3a8a 100%);
  color: #ffffff;
  padding: 68px 0 60px;
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid var(--accent-gold);
}

.home-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.6;
  pointer-events: none;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #fde68a;
  margin-bottom: 18px;
}

.home-hero h1.conference-title {
  color: #ffffff;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.home-hero h1.conference-title span.acronym {
  background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-org-text {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 22px;
  font-weight: 400;
  max-width: 800px;
}

.hero-date-venue-bar {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-date-chip, .hero-venue-chip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #ffffff;
}

.hero-date-chip i, .hero-venue-chip i {
  color: #f59e0b;
  font-size: 1.15rem;
}

/* Countdown Card */
.countdown-box-wrapper {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.countdown-title {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #fde68a;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.timer-item {
  background: rgba(7, 19, 36, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 12px 6px;
}

.timer-item .timer-num {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 4px;
}

.timer-item .timer-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
}

/* Buttons */
.btn-primary-conf {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.68rem 1.4rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary-conf:hover {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(29, 78, 216, 0.5);
}

.btn-gold-conf {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #071324 !important;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.68rem 1.4rem;
  border-radius: 8px;
  border: none;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-gold-conf:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.55);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.68rem 1.4rem;
  border-radius: 8px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--primary-navy);
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* Key Stats Ribbon */
.stats-ribbon {
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  padding: 24px 0;
  box-shadow: var(--shadow-sm);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #eff6ff;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.stat-content h4 {
  font-size: 1.25rem;
  margin-bottom: 2px;
  color: var(--primary-navy);
  font-weight: 800;
}

.stat-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0;
  font-weight: 500;
}

/* Section Common Styling */
.section-padding {
  padding: 64px 0;
}

.section-padding-sm {
  padding: 40px 0;
}

.section-header {
  margin-bottom: 40px;
}

.section-subtitle {
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--accent-blue);
  margin-bottom: 6px;
  display: inline-block;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-navy);
  letter-spacing: -0.4px;
}

.section-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-top: 8px;
}

/* Custom Cards */
.conf-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
}

.conf-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

/* Track Cards */
.track-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.track-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #1d4ed8, #059669);
  opacity: 0;
  transition: var(--transition);
}

.track-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: #bfdbfe;
}

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

.track-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: #eff6ff;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 12px;
}

.track-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 14px;
  line-height: 1.35;
}

.track-topics-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.88rem;
}

.track-topics-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--text-body);
}

.track-topics-list li::before {
  content: "•";
  color: var(--accent-blue);
  font-weight: bold;
  font-size: 1.2rem;
  position: absolute;
  left: 4px;
  top: -2px;
}

/* Speaker Cards */
.speaker-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
}

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

.speaker-avatar-wrap {
  background: linear-gradient(135deg, #0d254c 0%, #1e40af 100%);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  position: relative;
}

.speaker-avatar-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--primary-blue);
  border: 4px solid rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: var(--shadow-md);
  margin-top: 50px;
}

.speaker-card-body {
  padding: 44px 20px 24px;
  text-align: center;
}

.speaker-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 4px;
}

.speaker-designation {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 6px;
}

.speaker-institute {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.speaker-tag {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  color: var(--text-body);
  display: inline-block;
}

/* Committee Hierarchy Cards */
.committee-section-title {
  border-left: 4px solid var(--accent-blue);
  padding-left: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin: 32px 0 20px;
}

.committee-member-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
}

.committee-member-card:hover {
  border-color: #93c5fd;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.comm-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #eff6ff;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.patron-card .comm-icon-box {
  background: #fffbeb;
  color: #d97706;
}

.comm-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 2px;
}

.comm-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Timeline / Dates Table */
.timeline-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-dates {
  margin-bottom: 0;
}

.table-dates th {
  background: var(--primary-navy);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 14px 20px;
  border: none;
}

.table-dates td {
  padding: 16px 20px;
  font-size: 0.92rem;
  vertical-align: middle;
  border-color: var(--border-light);
}

.table-dates tr.highlight-row {
  background-color: #fefce8;
}

.table-dates tr:hover td {
  background-color: #f8fafc;
}

/* Important Dates Card Box */
.date-milestone-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  transition: var(--transition);
}

.date-milestone-card:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.date-milestone-info h5 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 3px;
}

.date-milestone-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.date-milestone-badge {
  background: #eff6ff;
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid #bfdbfe;
  white-space: nowrap;
}

.date-milestone-badge.active-deadline {
  background: #fef3c7;
  color: #b45309;
  border-color: #fde68a;
}

/* About Us 2-Column Specific Layout */
.about-institute-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.about-building-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid #ffffff;
}

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

.about-building-frame:hover img {
  transform: scale(1.03);
}

.about-image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(7, 19, 36, 0.9) 100%);
  color: #ffffff;
  padding: 24px 20px 14px;
}

.about-image-caption h5 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 2px;
}

.about-image-caption p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

.inst-highlight-box {
  background: #eff6ff;
  border-left: 4px solid var(--accent-blue);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 18px 0;
  font-size: 0.92rem;
  color: #1e3a8a;
}

.inst-degree-badge {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-dark);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin: 3px;
}

/* Call For Papers & Guidelines */
.guideline-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.guideline-step {
  display: flex;
  gap: 16px;
  margin-bottom: 18px;
}

.guideline-step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.guideline-step-content h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.guideline-step-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.qr-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.qr-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-blue);
}

.qr-card img {
  max-width: 170px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 8px;
  background: #ffffff;
  margin-bottom: 14px;
}

/* Schedule / Program Timeline */
.schedule-nav .nav-link {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-dark);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: #ffffff;
  margin-right: 12px;
  transition: var(--transition);
}

.schedule-nav .nav-link.active {
  background: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
  box-shadow: var(--shadow-md);
}

.schedule-timeline-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 16px;
  border-left: 5px solid var(--accent-blue);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.schedule-timeline-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.schedule-timeline-item.keynote-session {
  border-left-color: var(--accent-gold);
  background: #fffdf5;
}

.schedule-timeline-item.break-session {
  border-left-color: var(--accent-emerald);
  background: #fbfdfc;
}

.session-time {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--accent-blue);
  margin-bottom: 4px;
}

.schedule-timeline-item.keynote-session .session-time {
  color: #d97706;
}

.session-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 4px;
}

.session-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Venue & Travel */
.venue-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

/* Contact Cards & Form */
.contact-info-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.contact-info-card .icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #eff6ff;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

/* Footer */
.footer-main {
  background: linear-gradient(180deg, #071324 0%, #030810 100%);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 28px;
  font-size: 0.88rem;
  border-top: 4px solid var(--accent-blue);
}

.footer-brand h3 {
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.84rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.65);
}

.footer-heading {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent-gold);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: #38bdf8;
  transform: translateX(4px);
}

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Back To Top Button */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--accent-blue);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  border: none;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-blue);
  color: #ffffff;
  transform: translateY(-3px);
}

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

/* Responsive Adjustments */
@media (max-width: 991.98px) {
  .top-bar .text-end {
    text-align: left !important;
    margin-top: 4px;
  }
  .top-bar a {
    margin-left: 0;
    margin-right: 12px;
  }
  .home-hero {
    padding: 44px 0;
  }
  .home-hero h1.conference-title {
    font-size: 1.95rem;
  }
  .about-building-frame {
    margin-top: 24px;
  }
  .navbar-custom .nav-link {
    padding: 0.5rem 0 !important;
  }
  .btn-nav-cta {
    display: inline-block;
    margin-top: 10px;
  }
}

@media (max-width: 767.98px) {
  .inst-title h2 {
    font-size: 1rem;
  }
  .page-hero h1 {
    font-size: 1.7rem;
  }
  .countdown-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .timer-item .timer-num {
    font-size: 1.5rem;
  }
  .section-padding {
    padding: 44px 0;
  }
  .about-institute-wrapper {
    padding: 20px;
  }
}