/* Global Styles */
:root {
  /* --primary: black; */
  --secondary: rgba(0, 0, 0, 0.87);
  --accent: #ff9900;
  --dark: #1a1a1a;
  --light: #f8f9fa;
  --overlay: rgba(0, 0, 0, 0.6);
}

#navMenu li a{
    color: black ;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--light);
  color: var(--dark);
  line-height: 1.6;
}

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

/* Header */
header {
  background-color: white;
  color: white;
  padding: 15px 0;
  position: fixed;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.logo span {
  color: var(--accent);
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 30px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: var(--accent);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--secondary); 
  font-size: 24px;
  cursor: pointer;
  z-index: 1001; 
}

.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.carousel {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-inner {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.carousel-item {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

.carousel-item.active {
  opacity: 1;
  z-index: 1;
}

.carousel-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay);
  z-index: -1;
}

.carousel-content {
  max-width: 800px;
  padding: 0 20px;
  animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.carousel h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  font-weight: 800;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.carousel p {
  font-size: 1.5rem;
  margin-bottom: 30px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--accent);
  color: var(--dark);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s;
  border: 2px solid var(--accent);
  width: fit-content;
}

.about-content .btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--accent);
  color: var(--dark);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s;
  border: 2px solid var(--accent);
}

.btn:hover {
  background-color: transparent;
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.about-content .btn:hover {
  background-color: transparent;
  color: black !important;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s;
}

.carousel-control:hover {
  background-color: rgba(255, 255, 255, 0.4);
}

.carousel-control.prev {
  left: 20px;
}

.carousel-control.next {
  right: 20px;
}

.carousel-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  z-index: 10;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  margin: 0 5px;
  cursor: pointer;
  transition: all 0.3s;
}

.dot.active {
  background-color: white;
  transform: scale(1.2);
}

/* About Section */
.about {
  padding: 100px 0;
  background-color: white;
}

.abt {
  display: flex;
  gap: 5px;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 15px;
}

.section-title p {
  font-size: 1.2rem;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
}

.about-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  margin-top: 50px;
}

.about-text {
  flex: 1;
  min-width: 300px;
  padding-right: 30px;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--secondary);
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-image {
  flex: 1;
  min-width: 300px;
  margin-top: 30px;
}

.about-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
  background-color: black;
  color: white;
  padding: 50px 0 20px;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-column {
  flex: 1;
  min-width: 300px;
  margin-bottom: 30px;
}

.footer-column h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--accent);
}

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

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

.footer-column ul li a {
  color: #ddd;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-column ul li a:hover {
  color: var(--accent);
}

.social-links {
  display: flex;
  margin-top: 20px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  margin-right: 10px;
  color: white !important;
  text-decoration: none;
  transition: all 0.3s;
}

.social-links a:hover {
  background-color: var(--accent);
  transform: translateY(-3px);
}

.copyright {
  text-align: center;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  color: #aaa;
}

.af {
    padding-left: 100px;
}

.form {
    max-width: 600px;
    margin: 40px auto;
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.head {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 1.8rem;
    font-weight: 600;
}

.form label {
    display: block;
    margin-bottom: 8px;
    color: #4a5568;
    font-size: 0.95rem;
}

.form input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 1rem;
    margin-bottom: 20px;
    background-color: #f8fafc;
}

.form input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: #fff;
}

.form button {
    width: 100%;
    background: var(--accent);
    color: white;
    border: none;
    padding: 14px;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.form button:hover {
    background: #003366;
}
.about-hero {
  background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1521791055366-0d553872125f?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1469&q=80');
  background-size: cover;
  background-position: center;
  height: 60vh;
  display: flex;
  align-items: center;
  text-align: center;
  color: white;
  padding-top: 80px;
}

.about-hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.about-hero-content p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.about-section {
  padding: 80px 0;
  background-color: white;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 15px;
}

.section-title p {
  font-size: 1.2rem;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.about-card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.about-card:hover {
  transform: translateY(-10px);
}

.about-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.about-card-content {
  padding: 25px;
}

.about-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--secondary);
}

.about-card p {
  color: #666;
  margin-bottom: 20px;
}

.mission {
  background-color: var(--secondary);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.mission h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

.mission p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 40px;
}

.team {
  padding: 80px 0;
  background-color: white;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

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

.team-member img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 5px solid var(--accent);
}

.team-member h3 {
  font-size: 1.5rem;
  margin-bottom: 5px;
  color: var(--secondary);
}

.team-member p {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 15px;
}

.cta-section {
  background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1529107386315-e1a2ed48a620?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80');
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  text-align: center;
  color: white;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

.cta-section p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 40px;
}

.cta-section .btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--accent);
  color: var(--dark);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s;
  border: 2px solid var(--accent);
}

.cta-section .btn:hover {
  color: white !important;
  background-color: transparent;
  color: var(--dark);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}



.speakers-section {
  padding: 80px 0;
  background-color: white;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 15px;
}

.section-title p {
  font-size: 1.2rem;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.speaker-card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.speaker-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.speaker-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.speaker-info {
  padding: 25px;
  text-align: center;
}

.speaker-info h3 {
  font-size: 1.5rem;
  margin-bottom: 5px;
  color: var(--secondary);
}

.speaker-info p.position {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 15px;
}

.speaker-info p.bio {
  color: #666;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.social-links a {
  color: var(--secondary);
  transition: all 0.3s;
}

.social-links a:hover {
  color: white;
  transform: translateY(-3px);
}

.keynote-section {
  background-color: var(--secondary);
  color: white;
  padding: 80px 0;
}

.keynote-speaker {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-top: 50px;
}

.keynote-image {
  flex: 1;
  min-width: 300px;
}

.keynote-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.keynote-content {
  flex: 1;
}

.keynote-content h3 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.keynote-content p.position {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

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

.agenda-hero {
  background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1521791055366-0d553872125f?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1469&q=80');
  background-size: cover;
  background-position: center;
  height: 50vh;
  display: flex;
  align-items: center;
  text-align: center;
  color: white;
  padding-top: 80px;
}

.agenda-hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.agenda-hero-content p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/*  */
.track-selection {
  background-color: var(--secondary);
  padding: 30px 0;
  position: sticky;
  top: 80px;
  z-index: 900;
}

.track-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

.track-btn {
  padding: 10px 25px;
  background-color: transparent;
  color: white;
  border: 2px solid var(--accent);
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.track-btn.active, .track-btn:hover {
  background-color: var(--accent);
  color: var(--dark);
}

/*  */
.agenda-section {
  padding: 80px 0;
  background-color: white;
}

.agenda-container {
  max-width: 900px;
  margin: 0 auto;
}

.agenda-day {
  margin-bottom: 60px;
}

.day-header {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.day-header h2 {
  font-size: 2rem;
  color: var(--secondary);
  display: inline-block;
  background-color: white;
  padding: 0 30px;
  position: relative;
  z-index: 1;
}

.day-header::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: #eee;
  z-index: 0;
}

.time-slot {
  display: flex;
  margin-bottom: 30px;
  position: relative;
  padding-left: 100px;
}

.time {
  position: absolute;
  left: 0;
  top: 0;
  width: 70px;
  font-weight: 600;
  color: var(--accent);
}

.about-swap{
  display: flex;
  gap: 50px;
}

.session {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  padding: 25px;
  width: 100%;
  border-left: 4px solid var(--accent);
}

.session-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 15px;
}

.session-title {
  font-size: 1.3rem;
  color: var(--secondary);
  margin-bottom: 5px;
}

.session-track {
  display: inline-block;
  padding: 3px 10px;
  background-color: var(--accent);
  color: var(--dark);
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.session-speaker {
  color: #666;
  font-weight: 500;
  margin-bottom: 15px;
}

.session-description {
  color: #666;
  margin-bottom: 15px;
}

.session-location {
  display: flex;
  align-items: center;
  color: var(--accent);
  font-weight: 500;
}

.session-location i {
  margin-right: 8px;
}

.break-session {
  background-color: #f5f5f5;
  border-left-color: #ccc;
}

.break-session .session-title {
  color: #666;
}

.agenda-day .time-slot {
  scroll-margin-top: 200px;
}


@media (max-width: 768px) {
    .form {
        padding: 25px 20px;
        margin: 30px 15px;
    }
    
    .head {
        font-size: 1.5rem;
    }
}

@media (max-width: 992px) {
  .carousel h1 {
    font-size: 2.8rem;
  }

  .carousel p {
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  nav ul {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: white;
    flex-direction: column;
    padding: 20px 0;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    
  }

  nav ul.show {
    display: flex;
  }

  nav ul li {
    margin: 0;
    text-align: center;
    padding: 15px 0;
  }

  nav ul li a {
    color: var(--dark);
    padding: 10px 0;
    display: block;
  }

  .track-selection {
    display: none;
  }

  .agenda-container {
    margin-top: 60px;
  }

  .mobile-menu-btn {
    display: block;
    color: var(--dark);
    margin-left: 50px ;
  }

  .carousel h1 {
    font-size: 2.2rem;
  }

  .carousel p {
    font-size: 1rem;
  }

  .btn {
    padding: 10px 20px;
  }

  .about-content {
    flex-direction: column;
  }

  .about-text {
    padding-right: 0;
    margin-bottom: 30px;
  }

  .af {
    padding-left: 0;
  }

  .abt {
    display: flex;
    flex-direction: column;
    width: fit-content;
    gap: 10px;
  }
}

@media (max-width: 576px) {
  .carousel h1 {
    font-size: 1.8rem;
  }

  .section-title h2 {
    font-size: 2rem;
  }
}