/* -------------------------------------------------------------
   12th INDERCOS International Dermatology & Cosmetology Congress
   Modern Light & Vibrant Design System (Header BG Featured)
------------------------------------------------------------- */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  --bg-light: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(255, 255, 255, 0.8);
  --glass-border-glow: rgba(0, 180, 216, 0.4);
  
  --primary-cyan: #0077b6;
  --primary-cyan-bright: #00b4d8;
  --primary-blue: #023e8a;
  --accent-orange: #f77f00;
  --accent-gold: #d4a373;
  --accent-pink: #e63946;
  --accent-green: #2a9d8f;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  
  --gradient-cyan: linear-gradient(135deg, #0096c7 0%, #03045e 100%);
  --gradient-orange: linear-gradient(135deg, #f77f00 0%, #d62828 100%);
  --gradient-pink: linear-gradient(135deg, #ff4d6d 0%, #c9184a 100%);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-light);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-cyan-bright), var(--accent-orange));
  border-radius: 5px;
}

/* Canvas background */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* Base Light Glassmorphism */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: 0 10px 35px 0 rgba(15, 23, 42, 0.08);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.glass-panel:hover {
  border-color: var(--glass-border-glow);
  box-shadow: 0 15px 45px 0 rgba(0, 180, 216, 0.18);
}

/* Navbar Light */
.navbar-custom {
  position: fixed;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 92%;
  max-width: 1300px;
  z-index: 1000;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 50px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
  transition: all 0.3s ease;
}

.navbar-custom.scrolled {
  top: 8px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 12px 35px rgba(0, 119, 182, 0.18);
}

.navbar-brand-logo {
  height: 52px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.15));
}

.nav-link-custom {
  color: var(--text-main) !important;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 6px 11px !important;
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap;
}

.nav-link-custom::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0%;
  height: 3px;
  background: var(--gradient-orange);
  transition: width 0.3s ease;
  border-radius: 2px;
}

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

/* Glass Dropdown Menu */
.glass-dropdown {
  background: rgba(255, 255, 255, 0.96) !important;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: 12px;
  padding: 8px 0;
  margin-top: 8px;
  border: 1px solid rgba(0, 119, 182, 0.15) !important;
  box-shadow: 0 15px 35px rgba(0, 119, 182, 0.15) !important;
}

.glass-dropdown .dropdown-item {
  color: var(--text-main);
  padding: 9px 20px;
  font-size: 0.9rem;
  transition: all 0.25s ease;
}

.glass-dropdown .dropdown-item:hover,
.glass-dropdown .dropdown-item:focus,
.glass-dropdown .dropdown-item.active {
  background: var(--primary-cyan) !important;
  color: #ffffff !important;
  transform: translateX(5px);
}

.glass-dropdown .dropdown-item:hover i,
.glass-dropdown .dropdown-item:focus i,
.glass-dropdown .dropdown-item.active i {
  color: #ffffff !important;
}

@media (min-width: 992px) {
  .navbar-nav .dropdown:hover .dropdown-menu {
    display: block;
    margin-top: 0;
    animation: fadeInDown 0.25s ease forwards;
  }
}

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

.nav-link-custom:hover {
  color: var(--primary-cyan) !important;
}

.btn-glow-nav {
  background: var(--gradient-orange);
  color: #fff !important;
  font-weight: 700;
  padding: 10px 26px;
  border-radius: 30px;
  border: none;
  box-shadow: 0 4px 18px rgba(247, 127, 0, 0.35);
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-glow-nav:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 6px 25px rgba(247, 127, 0, 0.55);
  color: #fff;
}

/* Hero Section with Prominent header-bg.jpg */
.hero-section {
  position: relative;
  min-height: 70vh;
  padding-top: 110px;
  padding-bottom: 35px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #0d1b2a;
}

/* Subpage Hero */
.subpage-hero {
  position: relative;
  padding-top: 145px;
  padding-bottom: 50px;
  min-height: 260px;
  overflow: hidden;
  background-color: #0d1b2a;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../img/header-bg.jpg') no-repeat center top / cover;
  opacity: 0.98;
  z-index: 1;
}

.hero-gradient-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(13, 27, 42, 0.05) 0%, rgba(13, 27, 42, 0.2) 65%, rgba(248, 250, 252, 0.9) 100%);
  z-index: 2;
}

.relative-z {
  position: relative;
  z-index: 10;
}

.nazar-floating {
  position: absolute;
  top: 0;
  right: 5%;
  width: 85px;
  height: auto;
  filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.4));
  animation: floatNazar 4s ease-in-out infinite;
  z-index: 12;
}

@keyframes floatNazar {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-15px) rotate(6deg);
  }
}

.event-title-img-large {
  max-width: 100%;
  max-height: 220px;
  filter: drop-shadow(0 8px 30px rgba(0, 0, 0, 0.6));
  animation: pulseGlow 3s ease-in-out infinite alternate;
}

.event-logo-header-right {
  max-width: 100%;
  max-height: 95px;
  filter: drop-shadow(0 6px 25px rgba(0, 0, 0, 0.5));
}

@keyframes pulseGlow {
  0% { filter: drop-shadow(0 5px 15px rgba(0, 180, 216, 0.4)); }
  100% { filter: drop-shadow(0 10px 35px rgba(247, 127, 0, 0.7)); }
}

.istanbul-text-img {
  max-width: 240px;
  height: auto;
  filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.6));
}

.motto-img {
  max-width: 420px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 5px 20px rgba(0, 0, 0, 0.6));
  margin: 8px 0;
}

/* Light Countdown Boxes sitting on top of header-bg.jpg */
.countdown-container {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.countdown-box {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  padding: 12px 18px;
  min-width: 90px;
  text-align: center;
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  position: relative;
  overflow: hidden;
}

.countdown-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-orange);
}

.countdown-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: #0077b6;
  line-height: 1;
}

.countdown-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #475569;
  margin-top: 6px;
  font-weight: 700;
}

/* Action Buttons */
.btn-primary-glow {
  background: var(--gradient-orange);
  color: #fff !important;
  font-weight: 800;
  padding: 14px 36px;
  border-radius: 40px;
  border: none;
  box-shadow: 0 6px 25px rgba(247, 127, 0, 0.45);
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary-glow:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 10px 35px rgba(247, 127, 0, 0.65);
  color: #fff;
}

.btn-outline-glow {
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid var(--primary-cyan);
  color: var(--primary-cyan);
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 40px;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-outline-glow:hover {
  border-color: var(--accent-orange);
  color: #fff;
  background: var(--accent-orange);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(247, 127, 0, 0.4);
}

/* Section Header Typography */
.section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.6rem;
  letter-spacing: -0.5px;
  color: var(--text-main);
  margin-bottom: 15px;
}

.text-gradient-cyan {
  color: var(--primary-cyan);
}

.text-gradient-orange {
  color: var(--accent-orange);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto 40px auto;
}

/* Action Ribbon Bar */
.action-ribbon {
  background: #ffffff;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 20;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary-cyan);
  line-height: 1;
}

.stat-title {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 6px;
  font-weight: 600;
}

/* Main Topics Cards */
.topic-card {
  height: 100%;
  padding: 35px 25px;
  position: relative;
  overflow: hidden;
  border-radius: 24px;
}

.topic-icon-wrapper {
  width: 70px;
  height: 70px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 22px;
  background: rgba(0, 119, 182, 0.1);
  color: var(--primary-cyan);
  border: 1px solid rgba(0, 119, 182, 0.2);
  transition: all 0.3s ease;
}

.topic-card:hover .topic-icon-wrapper {
  transform: scale(1.1) rotate(5deg);
  background: var(--gradient-orange);
  color: #fff;
  box-shadow: 0 10px 25px rgba(247, 127, 0, 0.35);
}

.topic-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.topic-desc {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* Timeline Section */
.timeline-card {
  padding: 28px 24px;
  position: relative;
  background: var(--bg-card);
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(15, 23, 42, 0.06);
}

.timeline-card:hover,
.timeline-card.active {
  border-color: var(--accent-orange);
  box-shadow: 0 12px 35px rgba(247, 127, 0, 0.25);
  transform: translateY(-6px);
}

.timeline-date-badge {
  display: inline-block;
  background: rgba(247, 127, 0, 0.12);
  color: var(--accent-orange);
  font-weight: 800;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.88rem;
  margin-bottom: 12px;
}

/* Program Tabs */
.program-nav .nav-link {
  background: #ffffff !important;
  color: var(--text-muted) !important;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
  border-radius: 30px !important;
  padding: 12px 28px !important;
  font-weight: 700;
  margin: 0 6px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.04);
  transition: all 0.3s ease;
}

.program-nav .nav-link.active {
  background: var(--gradient-orange) !important;
  color: #ffffff !important;
  box-shadow: 0 6px 20px rgba(247, 127, 0, 0.4);
}

.session-row {
  padding: 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: background 0.3s ease;
}

.session-row:hover {
  background: rgba(0, 119, 182, 0.03);
}

.session-time {
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--primary-cyan);
  font-size: 1.15rem;
}

/* Speakers Section */
.speaker-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: 24px;
}

.speaker-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 18px auto;
  border: 4px solid var(--primary-cyan);
  box-shadow: 0 8px 25px rgba(0, 119, 182, 0.25);
  transition: all 0.3s ease;
}

.speaker-card:hover .speaker-avatar {
  transform: scale(1.08);
  border-color: var(--accent-orange);
  box-shadow: 0 12px 35px rgba(247, 127, 0, 0.4);
}

.speaker-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: 4px;
  color: var(--text-main);
}

.speaker-role {
  color: var(--primary-cyan);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 10px;
}

/* Pricing / Registration Cards */
.pricing-card {
  padding: 40px 30px;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pricing-card.featured {
  border: 2px solid var(--primary-cyan);
  background: #ffffff;
  box-shadow: 0 15px 45px rgba(0, 119, 182, 0.18);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  right: 25px;
  background: var(--gradient-orange);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.75rem;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  letter-spacing: 1px;
}

.pricing-price {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--text-main);
  margin: 20px 0 10px 0;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 25px 0 35px 0;
}

.pricing-features li {
  padding: 10px 0;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  gap: 12px;
}

.pricing-features li i {
  color: var(--primary-cyan);
}

/* Eco Friendly Badge */
.eco-banner {
  background: linear-gradient(135deg, rgba(42, 157, 143, 0.12), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(42, 157, 143, 0.3);
  border-radius: 24px;
  padding: 30px;
  display: flex;
  align-items: center;
  gap: 25px;
  box-shadow: 0 10px 30px rgba(42, 157, 143, 0.08);
}

.eco-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(42, 157, 143, 0.18);
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  flex-shrink: 0;
}

/* Presidents Message */
.president-avatar-placeholder {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-cyan);
  color: #ffffff;
  font-weight: 800;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
  box-shadow: 0 6px 20px rgba(0, 119, 182, 0.25);
}

/* Footer */
footer {
  background: #0f172a;
  color: #f8fafc;
  padding: 70px 0 30px 0;
}

.footer-logo {
  max-height: 55px;
  margin-bottom: 20px;
}

.footer-link {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--primary-cyan-bright);
}

.social-icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 10px;
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-icon-btn:hover {
  background: var(--gradient-orange);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(247, 127, 0, 0.4);
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Responsiveness */
@media (max-width: 991.98px) {
  .navbar-custom {
    width: 95%;
    padding: 10px 20px;
    border-radius: 20px;
  }
  .hero-section {
    padding-top: 130px;
    text-align: center;
  }
  .nazar-floating {
    width: 65px;
    top: 80px;
    right: 20px;
  }
  .timeline-card {
    margin-bottom: 15px;
  }
  .pricing-card.featured {
    transform: none;
  }
}


/* =========================================
   ORGANIZING COMMITTEE
========================================= */

.organizing-committee {
    width: 100%;
    padding: 0 !important;
    overflow: hidden;
    border: 1px solid rgba(0, 119, 182, 0.12);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 28px rgba(23, 50, 70, 0.06);
}

.committee-table {
    width: 100%;
    overflow: hidden;
    color: #252525;
    font-size: 15px;
}

/* Committee headings */

.committee-title {
    padding: 10px 12px;
    background: #e9f1f6;
    color: #17364b;
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    border-bottom: 2px solid #ffffff;
    letter-spacing: 0.2px;
}

/* Two-column rows */

.committee-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.committee-cell {
    min-width: 0;
    padding: 8px 14px;
    background: #f7f9fb;
    border-bottom: 2px solid #ffffff;
    line-height: 1.6;
    overflow-wrap: anywhere;
    transition: background 0.2s ease;
}

.committee-cell:first-child {
    border-right: 2px solid #ffffff;
}

.committee-row:hover .committee-cell:not(.committee-empty) {
    background: #edf5fa;
}

/* Empty cells for Social Committee */

.committee-empty {
    background: #ffffff;
}

/* Mobile responsive */

@media (max-width: 576px) {
    .committee-table {
        font-size: 13px;
    }

    .committee-title {
        padding: 10px 6px;
        font-size: 14px;
    }

    .committee-cell {
        padding: 8px;
        line-height: 1.5;
    }
}