/* assets/css/style.css */

/* Root Variables */
:root {
  --primary-color: #007bff;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --dark-color: #343a40;
  --light-color: #f8f9fa;
  --transition: all 0.3s ease;
}

/* General Styles */
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  padding-top: 76px;
  overflow-x: hidden;
}

/* Navbar Styles */
.navbar {
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  padding: 1rem 0;
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background: linear-gradient(135deg, #0056b3, #003d80);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: var(--transition);
  position: relative;
}

.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: #fff;
  transition: var(--transition);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 80%;
}

.navbar-nav .nav-link:hover {
  color: #fff !important;
  transform: translateY(-2px);
}

.dropdown-menu {
  border: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  overflow: hidden;
}

.dropdown-item {
  padding: 0.7rem 1.5rem;
  transition: var(--transition);
}

.dropdown-item:hover {
  background-color: var(--primary-color);
  color: #fff;
  padding-left: 2rem;
}

/* Hero Section */
.hero-section {
  height: 100vh;
  min-height: 600px;
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url("../images/bg.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 123, 255, 0.3),
    rgba(0, 86, 179, 0.3)
  );
  animation: pulse 3s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.5;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1rem;
  animation: slideInDown 1s ease;
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  animation: slideInUp 1s ease;
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Section Styles */
.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.section-title .title-underline {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), #0056b3);
  margin: 0 auto;
  border-radius: 2px;
}

/* Card Styles */
.card {
  border: none;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  height: 100%;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 123, 255, 0.2);
}

.card-img-top {
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.card:hover .card-img-top {
  transform: scale(1.1);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.card-text {
  color: var(--secondary-color);
  line-height: 1.6;
}

/* Button Styles */
.btn {
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s,
    height 0.6s;
  z-index: -1;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  border: none;
  box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0056b3, #003d80);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 123, 255, 0.4);
}

.btn-outline-primary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline-primary:hover {
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  border-color: transparent;
  transform: translateY(-3px);
}

/* About Section */
.about-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.about-image {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.about-image img {
  width: 100%;
  height: auto;
  transition: var(--transition);
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-image::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 123, 255, 0.3),
    rgba(0, 86, 179, 0.3)
  );
  opacity: 0;
  transition: var(--transition);
}

.about-image:hover::after {
  opacity: 1;
}

/* Courses Section */
.courses-section {
  padding: 5rem 0;
  background: #fff;
}

.course-level {
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  display: inline-block;
  margin-bottom: 1rem;
  font-weight: 500;
}

/* Articles Section */
.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--secondary-color);
  font-size: 0.9rem;
}

.article-meta i {
  color: var(--primary-color);
}

.article-card {
  position: relative;
  background: #fff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 123, 255, 0.2);
}

.article-card .article-image {
  height: 200px;
  overflow: hidden;
}

.article-card .article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.article-card:hover .article-image img {
  transform: scale(1.1);
}

.article-content {
  padding: 1.5rem;
}

.article-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

.article-excerpt {
  color: var(--secondary-color);
  margin-bottom: 1rem;
  line-height: 1.6;
}

/* Gallery Section */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 1rem 0;
}

.gallery-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  height: 250px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 123, 255, 0.8),
    rgba(0, 86, 179, 0.8)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay i {
  color: #fff;
  font-size: 3rem;
  transform: scale(0);
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay i {
  transform: scale(1);
}

/* Video Section */
.video-card {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.video-thumbnail {
  position: relative;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  background: #000;
  overflow: hidden;
}

.video-thumbnail iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-info {
  padding: 1rem;
  background: #fff;
}

.video-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.video-description {
  color: var(--secondary-color);
  font-size: 0.9rem;
}

/* Contact Section */
.contact-info {
  background: #fff;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  height: 100%;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-text h5 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-info-text p {
  color: var(--secondary-color);
  margin: 0;
}

.contact-form {
  background: #fff;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.form-control {
  border: 2px solid #e9ecef;
  border-radius: 10px;
  padding: 0.75rem 1rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #1a1e21, #212529);
  color: #fff;
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    #0056b3,
    var(--primary-color)
  );
}

.footer h5 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer h5::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), #0056b3);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary-color);
  color: #fff;
  transform: translateY(-3px);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-contact i {
  color: var(--primary-color);
  font-size: 1.25rem;
  margin-top: 3px;
}

.footer-bottom {
  text-align: center;
  padding-top: 3rem;
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1.25rem;
  }

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

  .navbar-brand span {
    display: none;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 576px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .btn {
    padding: 0.6rem 1.5rem;
  }

  .card-img-top {
    height: 200px;
  }
}