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

body {
  font-family: 'Poppins', sans-serif;
  color: #222;
  overflow-x: hidden;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section.light {
  background: #f7f7f7;
}

h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: #2c3e50;
  position: relative;
}

.event-end {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: #ffffff;
  position: relative;
}

h2:after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: #ff4d4d;
  margin: 15px auto 30px;
  border-radius: 2px;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1001;
  background: #ff4d4d;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.nav-close {
  display: none;
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 30px;
  color: white;
  cursor: pointer;
  z-index: 1002;
}

/* Navigation - Desktop View (Default) */
.navbar {
  background: rgba(17, 17, 17, 0.95);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 15px 0;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar ul {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding: 0 20px;
}

.navbar li {
  margin: 0 15px;
}

.navbar li a {
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.navbar li a:hover {
  background: rgba(255, 77, 77, 0.2);
  color: #ff4d4d;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  background: url('banner.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 70px;
}

.black-layer {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
}

.hero-content {
  position: relative;
  color: #fff;
  text-align: center;
  max-width: 900px;
  padding: 40px 20px;
  z-index: 2;
}

.logo {
  margin-left: 50px;
  margin-right: 50px;
  height: 120px;

  margin-bottom: 30px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 20px;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero h1 span {
  color: #ff4d4d;
  font-size: 2.8rem;
  display: block;
  margin-top: 10px;
  font-weight: 700;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 10px;
  opacity: 0.9;
}

.time {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 30px;
}

/* Countdown Timer */
.countdown {
  margin-bottom: 40px;
}

.timer-div {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.time-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 100px;
  background: rgba(255, 255, 255, 0.1);
  padding: 20px 10px;
  border-radius: 10px;
  backdrop-filter: blur(10px);
}

.time-unit .number {
  font-size: 3rem;
  font-weight: bold;
  color: #ffffff;
  line-height: 1;
}

.time-unit .label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Buttons */
.btn {
  padding: 15px 35px;
  text-decoration: none;
  border-radius: 30px;
  display: inline-block;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.btn i {
  margin-right: 8px;
}

.primary {
  background: #ff4d4d;
  color: #fff;
}

.primary:hover {
  background: #ff3333;
  box-shadow: 0 10px 25px rgba(255, 77, 77, 0.3);
}

.secondary {
  border: 2px solid #fff;
  color: #fff;
  background: transparent;
}

.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-buttons {
  margin-top: 30px;
}

/* Department Section */
.dept-section {
  position: relative;
  min-height: 70vh;
  color: white;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dept-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(6px);
  transform: scale(1.1);
  z-index: -2;
}

.dept-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: -1;
}

.dept-content {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 20px;
}

.dept-content h2 {
  color: white;
  margin-bottom: 30px;
}

.dept-content h2:after {
  background: #ff4d4d;
}

.dept-content p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  line-height: 1.8;
}

.dept-btn {
  margin-top: 20px;
  padding: 15px 40px;
  border: none;
  background: #2238ff;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.dept-btn:hover {
  background: #1a2fd9;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(34, 56, 255, 0.3);
}

.dept-link {
  text-decoration: none;
  color: white;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 16px;
}

/* Conference Themes Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 250px));
  gap: 30px;
  margin-top: 40px;

  justify-content: center; /* horizontal centering */
  align-content: center;   /* vertical centering */
}
.conference-subtitle {
  text-align: center;
  font-size: 2.5rem;
  color: #ff4d4d;
  margin-bottom: 30px;
  font-weight: 700;
}
.card {
  background: #fff;
  padding: 20px 25px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.card i {
  font-size: 50px;
  color: #ff4d4d;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: #2c3e50;

}

.card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Speakers Section */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}


.speaker-card {
  text-align: center;
  background: white;
  padding: 30px 20px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.speaker-card .topic {
  display: inline-block;          /* important for bg to wrap text */
  background-color: #e8f0fe;      /* light blue background */
  color: rgb(70, 62, 179);                 /* text color */
  padding: 6px 12px;
  border-radius: 8px;
  margin-top: 12px;
  font-size: 0.9rem;
  font-weight: 600;
}

.speaker-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.round-image {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 5px solid #f8f9fa;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.speaker-card h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: #2c3e50;
}

.speaker-card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.5;
}
.designation {
  color: #555555;   /* soft dark gray */
  font-size: 0.95rem;
}

.topic {
  color: #1a73e8;   /* highlight color (blue) */
  font-size: medium;
  font-weight: bold;
}


/* Committee Section Styles */
.committee-category {
  margin-bottom: 50px;
}

.committee-category:last-child {
  margin-bottom: 0;
}

.committee-category h3 {
  color: #2c3e50;
  font-size: 1.6rem;
  margin-bottom: 30px;
  padding-bottom: 10px;
  border-bottom: 2px solid #ff4d4d;
  display: flex;
  align-items: center;
  gap: 10px;
}

.committee-category h3 i {
  color: #ff4d4d;
}

.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 20px;
}

.committee-card {
  background: white;
  padding: 30px 25px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
}

.committee-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.committee-card:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #ff4d4d, #ff6b6b);
}

.committee-icon i {
  font-size: 30px;
  color: white;
}

.committee-card h4 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: #2c3e50;
  line-height: 1.3;
}

.designation {
  color: #ff4d4d;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 1rem;
}

.department {
  color: #2c3e50;
  font-size: 0.95rem;
  margin-bottom: 8px;
  line-height: 1.4;
}

.organization {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.4;
  font-style: italic;
}

/* Category-specific colors */
.committee-category:nth-child(1) .committee-card:before { background: linear-gradient(90deg, #ff4d4d, #ff8a00); } /* Chief Patrons */
.committee-category:nth-child(2) .committee-card:before { background: linear-gradient(90deg, #ffd700, #ffed4e); } /* Patrons */
.committee-category:nth-child(3) .committee-card:before { background: linear-gradient(90deg, #0066cc, #3399ff); } /* Conference Chair */
.committee-category:nth-child(4) .committee-card:before { background: linear-gradient(90deg, #9933cc, #cc66ff); } /* Advisory Chair */
.committee-category:nth-child(5) .committee-card:before { background: linear-gradient(90deg, #00cc66, #33ff99); } /* Coordinators */
.committee-category:nth-child(6) .committee-card:before { background: linear-gradient(90deg, #666699, #9999cc); } /* Organizing Committee */
.committee-category:nth-child(7) .committee-card:before { background: linear-gradient(90deg, #ff4d4d, #ff8a00); } /* Chief Patrons */
.committee-category:nth-child(8) .committee-card:before { background: linear-gradient(90deg, #ffd700, #ffed4e); } /* Patrons */
.committee-category:nth-child(9) .committee-card:before { background: linear-gradient(90deg, #0066cc, #3399ff); } /* Conference Chair */
.committee-category:nth-child(10) .committee-card:before { background: linear-gradient(90deg, #9933cc, #cc66ff); } /* Advisory Chair */
.committee-category:nth-child(11) .committee-card:before { background: linear-gradient(90deg, #00cc66, #33ff99); } /* Coordinators */
.committee-category:nth-child(12) .committee-card:before { background: linear-gradient(90deg, #666699, #9999cc); } /* Organizing Committee */
/* Schedule Section */
.schedule-container {
  margin-top: 40px;
}

.schedule-day {
  margin-bottom: 50px;
}

.schedule-day h3 {
  color: #2c3e50;
  margin-bottom: 25px;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.schedule-day h3 i {
  color: #ff4d4d;
}

.schedule-card {
  background: white;
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.schedule-item {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  padding: 20px 0;
  border-bottom: 1px solid #eee;
  align-items: center;
  gap: 20px;
}

.schedule-item:last-child {
  border-bottom: none;
}

.schedule-item .time {
  color: #ff4d4d;
  font-weight: 600;
  font-size: 1.1rem;
}

.schedule-item .event {
  font-weight: 600;
  color: #2c3e50;
  font-size: 1.1rem;
}

.schedule-item .venue {
  color: #666;
  font-size: 0.95rem;
  text-align: right;
}

/* Events Section */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.event-card {
  background: white;
  padding: 35px 25px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.event-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.event-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #ff4d4d, #ff6b6b);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
}

.event-icon i {
  font-size: 35px;
  color: white;
}

.event-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: #2c3e50;
}

.event-card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Sponsors Section */
.collab-text {
  text-align: center;
  font-size: 1.2rem;
  color: #2c3e50;
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.sponsors-grid {
  margin-bottom: 50px;
}

.sponsor-tier {
  margin-bottom: 40px;
}

.sponsor-tier h3 {
  color: #2c3e50;
  margin-bottom: 25px;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sponsor-tier h3 i {
  color: #ffd700;
}

.sponsor-logos {
  display: flex;
  justify-content: center;
  gap: 50px;
  flex-wrap: wrap;
}

.sponsor-logo {
  text-align: center;
  transition: transform 0.3s ease;
}

.sponsor-logo:hover {
  transform: scale(1.05);
}

.sponsor-logo img {
  width: 200px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 15px;
  padding: 20px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.sponsor-logo p {
  font-weight: 600;
  color: #2c3e50;
  font-size: 1.1rem;
}

/* Marquee */
.marquee {
  overflow: hidden;
  margin-top: 40px;
  position: relative;
}

.marquee h3 {
  color: #2c3e50;
  margin-bottom: 25px;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.marquee h3 i {
  color: #ff4d4d;
}

.marquee-track {
  display: flex;
  gap: 40px;
  animation: marqueeScroll 20s linear infinite;
}

.marquee-item {
  flex: 0 0 auto;
  text-align: center;
  transition: transform 0.3s ease;
}

.marquee-item:hover {
  transform: translateY(-5px);
}

.marquee-item img {
  width: 150px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 15px;
  padding: 15px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.marquee-item p {
  font-weight: 600;
  color: #2c3e50;
  font-size: 1rem;
}

@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Venue Section */
.venue-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.venue-info h3 {
  color: #2c3e50;
  font-size: 1.6rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.venue-info h3 i {
  color: #ff4d4d;
}

.venue-address {
  font-size: 1.1rem;
  color: #2c3e50;
  margin-bottom: 30px;
  padding-left: 35px;
  position: relative;
  font-weight: 600;
}

.venue-features {
  display: grid;
  gap: 25px;
}

.feature {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.feature i {
  font-size: 30px;
  color: #ff4d4d;
  margin-top: 5px;
}

.feature h4 {
  color: #2c3e50;
  margin-bottom: 5px;
  font-size: 1.2rem;
}

.feature p {
  color: #666;
  font-size: 0.95rem;
}

.venue-map {
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  height: 400px;
}

.venue-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 40px;
}

.contact-info {
  display: grid;
  gap: 30px;
}

.contact-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-item i {
  font-size: 30px;
  color: #ff4d4d;
  margin-top: 5px;
}

.contact-item h4 {
  color: #2c3e50;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.contact-item p {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 5px;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.contact-form h3 {
  color: #2c3e50;
  margin-bottom: 30px;
  font-size: 1.4rem;
}

.form-group {
  margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid #e1e5eb;
  border-radius: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 16px;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #ff4d4d;
  box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.1);
}

.form-group textarea {
  resize: vertical;
}

/* Footer */
footer {
  background: #2c3e50;
  color: white;
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo img {
  width: 100px;
  margin-bottom: 20px;
}

.footer-logo p {
  color: #bdc3c7;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-links h4,
.footer-social h4 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-links ul {
  list-style: none;
}

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

.footer-links a {
  color: #bdc3c7;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #ff4d4d;
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  font-size: 18px;
  transition: all 0.3s ease;
}

.social-icons a:hover {
  background: #ff4d4d;
  transform: translateY(-3px);
}

.footer-social p {
  color: #bdc3c7;
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  color: #bdc3c7;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

/* Overlay */
#overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.9);
  color: white;
  display: none;
  justify-content: center;
  align-items: center;
  font-size: 5rem;
  font-weight: bold;
  z-index: 9999;
}

#overlay-timer {
  text-align: center;
}

/* Mobile View */
@media (max-width: 768px) {
  /* Mobile Menu Toggle */
  .mobile-menu-toggle {
    display: flex;
  }
  
  /* Navigation - Mobile View */
  .navbar {
    background: rgba(17, 17, 17, 0.98);
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    padding-top: 80px;
    transition: left 0.4s ease;
    z-index: 1000;
  }
  
  .navbar.active {
    left: 0;
  }
  
  .nav-close {
    display: block;
  }
  
  .navbar ul {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
  }
  
  .navbar li {
    margin: 15px 0;
    width: 100%;
  }
  
  .navbar li a {
    font-size: 18px;
    padding: 15px 20px;
    display: block;
    width: 100%;
    border-left: 4px solid transparent;
  }
  
  .navbar li a:hover {
    border-left: 4px solid #ff4d4d;
    background: rgba(255, 255, 255, 0.05);
  }
  
  /* Hero Section */
  .hero {
    padding-top: 0;
    min-height: 100vh;
  }
  
  .hero-content {
    padding: 40px 20px;
  }
  
  .logo {
    height: 85px;
    margin-left: 20px;
    margin-right: 20px;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .hero h1 span {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  /* Countdown Timer */
  .time-unit {
    min-width: 70px;
    padding: 15px 8px;
  }
  
  .time-unit .number {
    font-size: 2rem;
  }
  
  .time-unit .label {
    font-size: 0.85rem;
  }
  
  /* Section Headers */
  h2 {
    font-size: 2rem;
    margin-bottom: 30px;
  }
  
  /* Cards Layout */
  .cards,
  .speakers-grid,
  .committee-grid,
  .events-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  /* Committee Cards */
  .committee-category h3 {
    font-size: 1.4rem;
  }
  
  .committee-card {
    padding: 25px 20px;
  }
  
  /* Schedule */
  .schedule-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 15px 0;
  }
  
  .schedule-item .venue {
    text-align: left;
    font-size: 0.9rem;
  }
  
  /* Venue Section */
  .venue-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .venue-map {
    height: 300px;
  }
  
  /* Contact Section */
  .contact-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .contact-form {
    padding: 25px;
  }
  
  /* Sponsor Logos */
  .sponsor-logos {
    gap: 20px;
  }
  
  .sponsor-logo img {
    width: 150px;
    height: 100px;
  }
  
  /* Marquee */
  .marquee-item img {
    width: 120px;
    height: 80px;
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }
  
  .social-icons {
    justify-content: center;
  }
  
  /* Buttons */
  .btn {
    width: 100%;
    margin: 5px 0;
  }
  
  /* Section Padding */
  .section {
    padding: 60px 0;
  }
  
  /* Overlay */
  #overlay {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }
  
  .hero h1 span {
    font-size: 1.5rem;
  }
  
  .logo {
    width: 80px;
  }
  
  .time-unit {
    min-width: 60px;
  }
  
  .time-unit .number {
    font-size: 1.5rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .round-image {
    width: 150px;
    height: 150px;
  }
  
  .section {
    padding: 40px 0;
  }
  
  .committee-category {
    margin-bottom: 40px;
  }
  
  .committee-category h3 {
    font-size: 1.3rem;
  }
  
  .committee-card {
    padding: 20px 15px;
  }
}