/* ===================================================================
   ICIDEA 2027 - International Conference on Intelligent Computing,
   Data Engineering and Applications | Manipal University Dubai
   Custom Stylesheet (Bootstrap 5.3 Enhancement)
   =================================================================== */

:root {
  /* Primary Brand Colors */
  --bs-primary: #0f3460;
  --bs-primary-dark: #0a192f;
  --bs-primary-rgb: 15, 52, 96;
  
  /* Accent Colors (Echoing Idea Conference & Manipal Flames) */
  --bs-accent: #f37021;
  --bs-accent-hover: #d95b0f;
  --bs-accent-light: #fff3ec;
  --bs-accent-rgb: 243, 112, 33;
  
  --bs-secondary-blue: #1a5695;
  --bs-secondary-blue-light: #e8f0fe;
  
  /* Neutral Shades */
  --bs-dark-slate: #1e293b;
  --bs-muted-slate: #64748b;
  --bs-bg-light: #f8fafc;
  --bs-bg-card: #ffffff;
  --bs-border-color: #e2e8f0;

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

  /* Shadows */
  --card-shadow: 0 10px 30px -5px rgba(15, 52, 96, 0.08), 0 5px 15px rgba(0, 0, 0, 0.03);
  --card-shadow-hover: 0 20px 40px -5px rgba(15, 52, 96, 0.16), 0 10px 20px rgba(0, 0, 0, 0.05);
  --badge-shadow: 0 4px 12px rgba(243, 112, 33, 0.25);
}

/* Base & Typography */
html {
  scroll-padding-top: 85px;
  scroll-behavior: smooth;
}

html, body {
  overflow-x: clip;
  max-width: 100vw;
}

body {
  font-family: var(--font-body);
  color: var(--bs-dark-slate);
  background-color: #ffffff;
  line-height: 1.65;
  position: relative;
}

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

a {
  text-decoration: none;
  transition: all 0.25s ease-in-out;
}

/* Top Notification / Info Bar */
.top-bar {
  background: var(--bs-primary-dark);
  font-size: 0.84rem;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.85);
}

.top-bar a {
  color: rgba(255, 255, 255, 0.85);
}

.top-bar a:hover {
  color: #ffa46a;
}

.top-bar-badge {
  background: rgba(243, 112, 33, 0.2);
  color: #ff9e66;
  border: 1px solid rgba(243, 112, 33, 0.4);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}

/* Navbar */
.navbar {
  position: -webkit-sticky !important;
  position: sticky !important;
  top: 0 !important;
  z-index: 1030 !important;
  transition: all 0.3s ease;
  padding: 0.85rem 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background-color: #ffffff;
  box-shadow: 0 4px 25px rgba(15, 52, 96, 0.14);
}

.navbar.scrolled .brand-logos img.idea-logo {
  height: 42px;
}

.navbar.scrolled .brand-logos img.manipal-logo {
  height: 36px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 15px;
}

.brand-logos {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logos img.idea-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-logos .brand-divider {
  width: 1px;
  height: 40px;
  background-color: #cbd5e1;
}

.brand-logos img.manipal-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.navbar-toggler {
  border: 1px solid rgba(15, 52, 96, 0.25) !important;
  border-radius: 8px;
  padding: 6px 10px;
  background-color: #f8fafc;
  transition: all 0.2s ease;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(243, 112, 33, 0.25) !important;
}

.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='%230f3460' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

@media (max-width: 1199.98px) {
  .navbar > .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .navbar-brand {
    max-width: calc(100% - 65px);
    display: flex;
    align-items: center;
  }
  .navbar-toggler {
    flex-shrink: 0;
  }
  .navbar-collapse {
    flex-basis: 100%;
    flex-grow: 1;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    padding: 20px;
    margin-top: 15px;
    border: 1px solid var(--bs-border-color);
  }
  .nav-link::after {
    display: none;
  }
  .nav-link {
    padding: 0.65rem 0.5rem !important;
    border-bottom: 1px solid #f1f5f9;
  }
  .nav-item:last-child .nav-link {
    border-bottom: none;
  }
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--bs-primary-dark) !important;
  padding: 0.5rem 0.85rem !important;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--bs-accent) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--bs-accent);
  transition: all 0.25s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 70%;
}

.btn-header-cta {
  background: linear-gradient(135deg, var(--bs-accent) 0%, #e85d04 100%);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  border: none;
  box-shadow: 0 4px 15px rgba(243, 112, 33, 0.35);
  transition: all 0.3s ease;
}

.btn-header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(243, 112, 33, 0.5);
  color: #fff !important;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 10% 20%, #0d264f 0%, #08162d 90%);
  color: #ffffff;
  padding: 100px 0 80px 0;
  overflow: hidden;
}

/* Subtle tech grid & light effects */
.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(rgba(243, 112, 33, 0.12) 1px, transparent 1px),
    radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: 0 0, 20px 20px;
  opacity: 0.7;
  pointer-events: none;
}

.hero-glow-1 {
  position: absolute;
  top: -150px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(243, 112, 33, 0.25) 0%, rgba(243, 112, 33, 0) 70%);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: -150px;
  left: -100px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(26, 86, 149, 0.35) 0%, rgba(26, 86, 149, 0) 70%);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffb07c;
  margin-bottom: 20px;
}

.hero-badge-pill i {
  color: var(--bs-accent);
}

.hero-title {
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.2;
  color: #ffffff;
  margin-bottom: 20px;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.hero-title span.highlight {
  background: linear-gradient(120deg, #ff9f1c 0%, #ff6b35 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #cbd5e1;
  font-weight: 400;
  margin-bottom: 25px;
  line-height: 1.6;
}

.hero-meta-items {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 30px;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: #e2e8f0;
}

.hero-meta-item .icon-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(243, 112, 33, 0.15);
  border: 1px solid rgba(243, 112, 33, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bs-accent);
  font-size: 1rem;
}

/* Hero CTA Buttons */
.btn-primary-orange {
  background: linear-gradient(135deg, #f37021 0%, #d95b0f 100%);
  color: #ffffff;
  border: none;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 50px;
  box-shadow: 0 6px 20px rgba(243, 112, 33, 0.4);
  transition: all 0.3s ease;
}

.btn-primary-orange:hover {
  background: linear-gradient(135deg, #ff7e33 0%, #e85d04 100%);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(243, 112, 33, 0.55);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 50px;
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--bs-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
}

/* Hero Card / Countdown */
.hero-glass-card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.countdown-box-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 20px 0;
}

.countdown-unit {
  background: rgba(15, 52, 96, 0.7);
  border: 1px solid rgba(243, 112, 33, 0.3);
  border-radius: 12px;
  padding: 12px 6px;
  text-align: center;
}

.countdown-num {
  font-size: 1.85rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: #ff9e66;
  line-height: 1;
  display: block;
}

.countdown-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: #94a3b8;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.banner-badge-wrapper {
  background: #ffffff;
  border-radius: 12px;
  padding: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.banner-badge-wrapper img {
  max-height: 60px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

/* Feature Strip */
.features-strip {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  margin-top: -30px;
  position: relative;
  z-index: 10;
  border-radius: 16px;
  padding: 24px;
}

.feature-pill-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 10px 15px;
}

.feature-pill-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--bs-accent-light);
  color: var(--bs-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.feature-pill-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 2px;
  color: var(--bs-primary-dark);
}

.feature-pill-desc {
  font-size: 0.8rem;
  color: var(--bs-muted-slate);
  margin-bottom: 0;
}

/* Section Header Styles */
.section-padding {
  padding: 90px 0;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bs-accent);
  background: var(--bs-accent-light);
  padding: 4px 14px;
  border-radius: 30px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--bs-primary-dark);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--bs-muted-slate);
  max-width: 720px;
  margin: 0 auto 40px auto;
}

/* About Section */
.about-card {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid var(--bs-border-color);
  padding: 35px;
  box-shadow: var(--card-shadow);
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.objective-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}

.objective-bullet {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bs-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Host Institution Card */
.host-card {
  background: linear-gradient(135deg, #0a192f 0%, #102a4e 100%);
  color: #ffffff;
  border-radius: 20px;
  padding: 35px;
  position: relative;
  overflow: hidden;
}

.host-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(243, 112, 33, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.host-card h3 {
  color: #ffffff;
}

/* Important Dates Timeline */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
  position: relative;
}

.timeline-card {
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid var(--bs-border-color);
  padding: 24px 20px;
  box-shadow: var(--card-shadow);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.timeline-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: #cbd5e1;
  transition: all 0.3s ease;
}

.timeline-card.active-date {
  border-color: rgba(243, 112, 33, 0.4);
  box-shadow: 0 12px 30px rgba(243, 112, 33, 0.15);
}

.timeline-card.active-date::before {
  background: var(--bs-accent);
}

.timeline-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

.timeline-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--bs-bg-light);
  color: var(--bs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 15px auto;
  transition: all 0.3s ease;
}

.timeline-card.active-date .timeline-icon {
  background: var(--bs-accent-light);
  color: var(--bs-accent);
}

.timeline-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--bs-primary-dark);
  margin-bottom: 8px;
}

.timeline-date {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--bs-accent);
  margin-bottom: 6px;
  font-family: var(--font-heading);
}

.timeline-status {
  font-size: 0.76rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
  display: inline-block;
}

.status-primary {
  background: #e0f2fe;
  color: #0369a1;
}

.status-highlight {
  background: #fef3c7;
  color: #b45309;
}

/* Call for Papers Section */
.track-tabs-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 35px;
}

.track-tabs-nav .nav-link {
  background: #ffffff;
  border: 1px solid var(--bs-border-color);
  color: var(--bs-dark-slate) !important;
  border-radius: 50px;
  padding: 10px 22px !important;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.track-tabs-nav .nav-link::after {
  display: none;
}

.track-tabs-nav .nav-link.active,
.track-tabs-nav .nav-link:hover {
  background: var(--bs-primary);
  border-color: var(--bs-primary);
  color: #ffffff !important;
  box-shadow: 0 4px 15px rgba(15, 52, 96, 0.25);
}

.track-detail-card {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid var(--bs-border-color);
  padding: 35px;
  box-shadow: var(--card-shadow);
}

.track-header {
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 20px;
  margin-bottom: 25px;
}

.track-num-badge {
  background: var(--bs-accent-light);
  color: var(--bs-accent);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 10px;
}

.topic-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px 20px;
}

.topic-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f8fafc;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid #eef2f6;
  font-size: 0.92rem;
  font-weight: 500;
  color: #334155;
  transition: all 0.2s ease;
}

.topic-item:hover {
  background: #ffffff;
  border-color: var(--bs-accent);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(243, 112, 33, 0.1);
}

.topic-item i {
  color: var(--bs-accent);
  font-size: 1.1rem;
}

/* Publication & Authors Section */
.info-step-card {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid var(--bs-border-color);
  padding: 25px;
  box-shadow: var(--card-shadow);
  height: 100%;
}

.info-step-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: rgba(243, 112, 33, 0.3);
  line-height: 1;
  margin-bottom: 10px;
}

.rule-checklist {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.rule-checklist li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 0.94rem;
  color: #475569;
}

.rule-checklist li i {
  position: absolute;
  left: 0;
  top: 4px;
  color: #10b981;
  font-size: 1rem;
}

.ieee-banner-box {
  background: linear-gradient(135deg, #0b2545 0%, #133b68 100%);
  color: #ffffff;
  border-radius: 18px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(11, 37, 69, 0.15);
}

.ieee-banner-box h4 {
  color: #ffffff;
}

/* Registration Table */
.pricing-card {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid var(--bs-border-color);
  padding: 30px 25px;
  box-shadow: var(--card-shadow);
  text-align: center;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured-plan {
  border-color: var(--bs-accent);
  box-shadow: 0 15px 35px rgba(243, 112, 33, 0.18);
  transform: translateY(-8px);
}

.popular-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #f37021 0%, #d95b0f 100%);
  color: #ffffff;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 16px;
  border-radius: 30px;
  box-shadow: 0 4px 10px rgba(243, 112, 33, 0.3);
}

.pricing-header {
  margin-bottom: 25px;
}

.pricing-category {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bs-primary-dark);
  margin-bottom: 8px;
}

.price-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  background: #f8fafc;
  padding: 15px 10px;
  border-radius: 14px;
  border: 1px solid #edf2f7;
  margin-bottom: 25px;
}

.price-subbox {
  text-align: center;
}

.price-subbox.divider-right {
  border-right: 1px dashed #cbd5e1;
}

.price-type {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--bs-muted-slate);
  margin-bottom: 4px;
}

.price-amount {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--bs-primary-dark);
  line-height: 1;
}

.pricing-card.featured-plan .price-amount {
  color: var(--bs-accent);
}

.pricing-features {
  list-style: none;
  padding-left: 0;
  text-align: left;
  margin-bottom: 30px;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: #475569;
  margin-bottom: 10px;
}

.pricing-features li i {
  color: #10b981;
  font-size: 0.95rem;
  flex-shrink: 0;
}

/* Committee Section */
.committee-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 35px;
}

.committee-nav .nav-link {
  background: #f1f5f9;
  border-radius: 30px;
  padding: 8px 20px !important;
  color: #475569 !important;
  font-size: 0.88rem;
}

.committee-nav .nav-link.active {
  background: var(--bs-accent);
  color: #ffffff !important;
}

.member-card {
  background: #ffffff;
  border: 1px solid var(--bs-border-color);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
  height: 100%;
}

.member-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(243, 112, 33, 0.3);
}

.member-role-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--bs-accent);
  background: var(--bs-accent-light);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.member-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bs-primary-dark);
  margin-bottom: 4px;
}

.member-desc {
  font-size: 0.84rem;
  color: #64748b;
  margin-bottom: 0;
  line-height: 1.5;
}

.member-country-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.76rem;
  font-weight: 600;
  color: #0f3460;
  background: #eef2ff;
  padding: 2px 8px;
  border-radius: 6px;
  margin-top: 8px;
}

/* Venue Section */
.venue-box {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid var(--bs-border-color);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.venue-info-pane {
  padding: 40px;
}

.map-wrapper {
  min-height: 380px;
  height: 100%;
  width: 100%;
  border-left: 1px solid #e2e8f0;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: 0;
}

/* Contact Cards */
.contact-person-card {
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid var(--bs-border-color);
  padding: 28px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s ease;
  height: 100%;
}

.contact-person-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.contact-avatar {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--bs-accent-light);
  color: var(--bs-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 18px;
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.86rem;
  padding: 8px 16px;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-whatsapp:hover {
  background: #1eb956;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

/* Footer */
.site-footer {
  background: #071529;
  color: #94a3b8;
  padding: 70px 0 25px 0;
  font-size: 0.92rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-heading {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background-color: var(--bs-accent);
}

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

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

.footer-links a {
  color: #94a3b8;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: #ff9e66;
  transform: translateX(4px);
}

.footer-bottom {
  margin-top: 50px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
}

/* Back to Top button */
.back-to-top {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bs-accent);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 15px rgba(243, 112, 33, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

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

.back-to-top:hover {
  background: #d95b0f;
  transform: translateY(-4px);
  color: #ffffff;
}

/* Floating Quick Actions on Mobile */
@media (max-width: 768px) {
  .hero-title {
    font-size: 1.85rem !important;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .section-title {
    font-size: 1.75rem;
  }
  .countdown-box-wrapper {
    gap: 8px;
  }
  .countdown-num {
    font-size: 1.45rem;
  }
  .brand-logos img.idea-logo {
    height: 32px;
  }
  .brand-logos img.manipal-logo {
    height: 26px;
  }
  .brand-logos {
    gap: 8px;
  }
  .features-strip {
    margin-top: 20px;
    padding: 16px;
  }
  .map-wrapper {
    border-left: none;
    border-top: 1px solid #e2e8f0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.55rem !important;
  }
  .brand-logos img.idea-logo {
    height: 26px;
  }
  .brand-logos img.manipal-logo {
    height: 22px;
  }
  .navbar-toggler {
    padding: 4px 8px;
  }
  .navbar-toggler-icon {
    width: 1.25em;
    height: 1.25em;
  }
}