/* ===== RESET AND BASE STYLES ===== */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  }

  /* CSS Variables for consistent theming */
  :root {
    --primary: #ff0000;
    --secondary: #e53e3e;
    --accent: #38b2ac;
    --light: #f7fafc;
    --dark: #2d3748;
    --transition: all 0.3s ease;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }

  html {
    scroll-behavior: smooth;
  }

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

  /* Container for consistent width and padding */
  .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
  }

  /* Section spacing */
  section {
    padding: 80px 0;
  }

  /* Common section title styles */
  .section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
  }

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

  .section-title p {
    font-size: 1.1rem;
    color: var(--dark);
    max-width: 1200px;
    margin: 0 auto;
  }

  .section-title::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: var(--secondary);
    margin: 15px auto 0;
    border-radius: 2px;
  }

  /* Button styles */
  .btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #ffd200, #fe0b00);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: 0 2px 10px #ffd00054;
  }

  .btn:hover {
    background: #c53030;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(193, 40, 40, 0.1);
  }

  /* Header Styles - FIXED */
  header {
      background: linear-gradient(135deg, #ffd200, #fe0b00);
      color: white;
      padding: 1rem 0;
      position: fixed;
      width: 100%;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }

  .header-container.container {
    max-width: 100% !important;
    width: 100% !important;
  }

  .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
      max-width: none;
      margin: 0;
      padding: 0 20px;
      gap: 15px;
  }

  .logo {
      font-size: 1.5rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      color: white;
      margin: 0;
      padding: 0;
      flex-shrink: 0;
      white-space: nowrap;
  }

  .logo img {
      height: 3rem;
      width: 3rem;
      margin-right: 8px;
  }

  /* Search Bar - FIXED */
  .search-container {
      display: flex;
      align-items: center;
      flex-shrink: 0;
      margin: 0 50px;
  }

  .search-form {
      display: flex;
      align-items: center;
      background: rgba(255, 255, 255, 0.15);
      border-radius: 25px;
      padding: 4px;
      transition: var(--transition);
      border: 1px solid rgba(255, 255, 255, 0.2);
      min-width: 180px;
  }

  .search-form:focus-within {
      background: rgba(255, 255, 255, 0.25);
      border-color: rgba(255, 255, 255, 0.4);
  }

  .search-input {
      background: transparent;
      border: none;
      outline: none;
      color: white;
      padding: 6px 12px;
      font-size: 0.85rem;
      width: 120px;
      border-radius: 20px;
      flex: 1;
  }

  .search-input::placeholder {
      color: rgba(255, 255, 255, 0.7);
  }

  .search-btn {
      background: transparent;
      border: none;
      color: white;
      padding: 6px 10px;
      border-radius: 50%;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
  }

  .search-btn:hover {
      background: rgba(255, 255, 255, 0.2);
  }

  /* Navigation - FIXED */
  .nav-links {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 12px;
      justify-content: flex-end;
      flex: 1;
      align-items: center;
      flex-wrap: wrap;
  }

  .nav-links li {
      margin: 0;
  }

  .nav-links a {
      color: white;
      text-decoration: none;
      font-weight: 600;
      transition: var(--transition);
      padding: 6px 10px;
      white-space: nowrap;
      display: block;
      font-size: 1rem;
  }

  .nav-links a:hover {
      color: rgb(0, 0, 255);
  }

  .nav-links a.active {
      color: rgb(0, 0, 255);
      border-bottom: 2px solid rgb(0, 0, 255);
  }

  .mobile-menu {
      display: none;
      font-size: 1.3rem;
      cursor: pointer;
      color: white;
      margin: 0;
      flex-shrink: 0;
  }


  /* ===== HERO SECTION ===== */
  .hero {
    
    height: 90vh;
    background: linear-gradient(rgba(0, 0, 255, 0.20), rgba(0, 0, 255, 0.25)),
      url("/images/academics_image.webp");
    background-size: cover;
    background-position: center;
    padding: 120px 0 60px;
    position: relative;
    color: white;
    display: flex;
    align-items: flex-end;
    text-align: center;
    margin-top: 80px; /* Account for fixed header */
  }
  .hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.35);      /* dark overlay */
    z-index: 1;
  }
  .hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
    text-align: center;
    padding: 0 20px;
  }

  .hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.2;
  }

  .hero p {
    font-size: clamp(0.9rem, 2.5vw, 1.2rem);
    max-width: 600px;
    margin: auto;
    line-height: 1.5;
  }

  /* ===== INSTITUTIONS SECTION ===== */
  .institutions {
    background: #f8f9fa;
  }

  /* Tab navigation */
  .institution-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 10px;
  }

  .tab-btn {
    padding: 12px 25px;
    background: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
  }

  .tab-btn.active {
    background: var(--primary);
    color: white;
  }

  .tab-btn:hover:not(.active) {
    background: #e2e8f0;
  }

  /* Institution content areas */
  .institution-content {
    display: none;
  }

  .institution-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
  }

  /* Fade in animation for content */
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Institution header */
  .institution-header {
    text-align: center;
    margin-bottom: 40px;
  }

  .institution-header h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
  }

  .institution-header p {
    color: #666;
    max-width: 800px;
    margin: 0 auto;
  }

  /* Courses grid layout */
  .courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
  }

  /* Course card styles */
  .course-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
  }

  .course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  }

  /* Course image container */
  .course-img {
    height: 200px;
    overflow: hidden;
    background: #e2e8f0; /* Fallback background if image doesn't load */
  }

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

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

  /* Course content area */
  .course-content {
    padding: 25px;
  }

  .course-content h4 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 10px;
  }

  .course-content .duration {
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 15px;
    display: block;
  }

  .course-content p {
    margin-bottom: 15px;
    color: #666;
  }

  /* Course features list */
  .course-features {
    list-style: none;
    margin-bottom: 20px;
  }

  .course-features li {
    padding: 5px 0;
    position: relative;
    padding-left: 25px;
  }

  .course-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
  }

  /* ===== WHY CHOOSE DBGI SECTION ===== */
  .why-choose {
    background: white;
  }

  /* Features grid layout */
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
  }

  /* Feature card styles */
  .feature-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 10px;
    background: #f8f9fa;
    transition: var(--transition);
  }

  .feature-card:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px);
  }

  .feature-card i {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 20px;
    transition: var(--transition);
  }

  .feature-card:hover i {
    color: white;
  }

  .feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
  }

  /* ===== CTA SECTION ===== */
  .cta {
    background: var(--secondary);
    color: white;
    text-align: center;
    padding: 100px 0;
  }

  .cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
  }

  .cta p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
  }

  .cta .btn {
    background: white;
    color: var(--secondary);
  }

  .cta .btn:hover {
    background: var(--primary);
    color: white;
  }

  /* Footer */
  footer {
    background: var(--dark);
    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-column h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary);
  }

  .footer-column p,
  .footer-column a {
    color: #ccc;
    margin-bottom: 10px;
    display: block;
    text-decoration: none;
    transition: var(--transition);
  }

  .footer-column a:hover {
    color: white;
    padding-left: 5px;
  }

  .social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
  }

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

  .social-links a:hover {
    background: var(--primary);
    transform: translateY(-5px);
  }

  #newsletter-form {
    padding: 10px;
    width: 100%;
    margin-bottom: 10px;
    border: none;
    border-radius: 5px;
  }
  .copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #999;
  }

  /* ===== RESPONSIVE STYLES ===== */

  @media (max-width: 1200px) {
    .nav-links {
      gap: 8px;
    }

    .nav-links a {
      padding: 5px 8px;
      font-size: 0.8rem;
    }

    .search-input {
      width: 100px;
    }
  }

  @media (max-width: 992px) {
    .about-content {
      flex-direction: column;
    }
  .hero {
      padding: 130px 0 70px;
      background-size: cover;   /* zoom slightly for wider tablets */
    }

    .hero h1 {
      font-size: 2.8rem;
    }

    .nav-links {
      gap: 6px;
    }

    .nav-links a {
      font-size: 0.75rem;
      padding: 4px 6px;
    }

    .search-form {
      min-width: 150px;
    }

    .search-input {
      width: 80px;
      font-size: 0.8rem;
    }
  }

  @media (max-width: 768px) {
    /* Mobile navigation */
    .nav-links {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      width: 100%;
      background: var(--primary);
      flex-direction: column;
      padding: 20px;
      box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
      gap: 15px;
    }

    .nav-links.active {
      display: flex;
    }

    .nav-links li {
      margin: 10px 0;
    }

    .nav-links a {
      font-size: 1rem;
      padding: 10px;
      text-align: center;
    }
    .mobile-menu {
      display: block;
    }

    

    /* Tab navigation adjustments */
    .institution-tabs {
      flex-direction: column;
      align-items: center;
    }

    .tab-btn {
      width: 100%;
      max-width: 300px;
    }
  }

  /* Mobile devices (576px and below) */
  @media (max-width: 576px) {
    .hero {
    padding: 200px 0 40px;
      background-size: contain;
      
    }
    
    .section-title h2 {
      font-size: 1.8rem;
    }

    .courses-grid {
      grid-template-columns: 1fr;
    }

    .features-grid {
      grid-template-columns: 1fr;
    }
  }

  /* Very Small Screens */
  @media (max-width: 400px) {
    .hero {
    padding: 200px 0 40px;
    }
  }

  /* Landscape mode phones */
  @media (max-height: 500px) and (orientation: landscape) {
    .hero {
      padding: 80px 0 40px;
      background-size: cover;   /* reduces empty space */
    }
  }

  /* iPhone notch fix */
  @supports (-webkit-touch-callout: none) {
    .hero {
      padding-top: calc(100px + env(safe-area-inset-top));
    }
  }


 /* ===== MOBILE RESPONSIVE FIXES FOR HERO SECTION ===== */

/* Tablets and below (768px) */
@media (max-width: 768px) {
  .hero {
    height: 50vh;
    background-size: cover;
    background-position: center;
    padding: 140px 0 40px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero::before {
    background: rgba(0, 0, 0, 0.15); /* Darker overlay for better text readability */
  }

  .hero-content {
    padding: 20px;
    text-align: center;
  }

  .hero h1 {
    font-size: 2rem;
    margin-bottom: 15px;
    display: block; /* Show heading on tablets */
  }

  .hero p {
    display: none; /* Hide paragraph on tablets */
  }

  .hero-btns {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
  }

  .hero-btns .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }
}

/* Mobile devices (576px and below) */
@media (max-width: 576px) {
  .hero {
    height: 40vh;
    padding: 120px 0 40px;
    background-size: cover;
    background-position: center center;
  }

  .hero::before {
    background: rgba(0, 0, 255, 0.10); /* Even darker for small screens */
  }

  .hero-content {
    padding: 15px;
  }

  .hero h1 {
    font-size: 1.75rem;
    line-height: 1.3;
    margin-bottom: 12px;
  }

  .hero p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 20px;
    max-width: 100%;
  }

  .hero-btns {
    gap: 12px;
  }

  .hero-btns .btn {
    padding: 10px 25px;
    font-size: 0.95rem;
    max-width: 250px;
  }
}

/* Very small screens (400px and below) */
@media (max-width: 400px) {
  .hero {
    height: 40vh;
    padding: 110px 0 30px;
  }

  .hero h1 {
    font-size: 1.5rem;
    margin-bottom: 10px;
  }

  .hero p {
    font-size: 0.9rem;
    margin-bottom: 18px;
  }

  .hero-btns .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

/* Landscape mode for phones */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    height: auto;
    min-height: 350px;
    padding: 100px 0 40px;
    background-size: cover;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero p {
    font-size: 0.9rem;
    margin-bottom: 15px;
  }

  .hero-btns {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-btns .btn {
    max-width: 180px;
    padding: 8px 20px;
  }
}

/* iPhone notch and safe area support */
@supports (padding: max(0px)) {
  .hero {
    padding-top: max(120px, calc(120px + env(safe-area-inset-top)));
  }
}

/* Additional button styling for better mobile UX */
.btn-outline {
  background: transparent;
  border: 2px solid white;
  color: white;
  box-shadow: none;
}

.btn-outline:hover {
  background: white;
  color: var(--primary);
}

/* Fix for hero buttons container */
.hero-btns {
  margin-top: 10px;
}