:root {
      --ap-blue: #153c6b;
      --ap-orange: #f36c21;
      --ap-sky: #1e73be;
      --ap-light: #f5f8fc;
      --ap-dark: #0e2a4d;
      --ap-gold: #dba959;
      --font-serif: 'Cinzel', 'Times New Roman', serif;
      --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--ap-light);
      color: #1c2b3a;
      overflow-x: hidden;
      line-height: 1.6;
    }

    h1, h2, h3, h4, h5, .nav-link, .btn, .section-title, .count-box h2, .role-tag, .table th {
      font-family: var(--font-serif);
      letter-spacing: 1px;
    }

    h2 {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--ap-blue);
      position: relative;
      display: inline-block;
      margin-bottom: 1.5rem;
    }
    h2:after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 0;
      width: 80px;
      height: 4px;
      background: linear-gradient(90deg, var(--ap-orange), var(--ap-gold));
    }

    /* ---------- NAVBAR ---------- */
    .navbar {
      background: white !important;
      box-shadow: 0 6px 20px rgba(0,0,0,0.05);
      padding: 0.75rem 0;
    }
    .navbar-brand img {
      max-height: 100px;
      width: auto;
      transition: transform 0.2s;
    }
    .navbar-brand img:hover {
      transform: scale(1.02);
    }
    .nav-link {
      color: var(--ap-blue) !important;
      font-weight: 600;
      font-size: 1rem;
      margin: 0 0.2rem;
      padding: 0.5rem 1rem !important;
      border-radius: 40px;
      transition: all 0.15s;
    }
    .nav-link:hover {
      background-color: rgba(243,108,33,0.08);
      color: var(--ap-orange) !important;
    }

    /* ---------- BUTTONS ---------- */
    .btn-main {
      background: linear-gradient(90deg, var(--ap-orange), #ff914d);
      border: none;
      color: white;
      border-radius: 50px;
      padding: 10px 28px;
      font-weight: 600;
      box-shadow: 0 8px 20px rgba(243,108,33,0.3);
      transition: all 0.3s ease;
      border: 1px solid transparent;
    }
    .btn-main:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(243,108,33,0.4);
      color: white;
      background: linear-gradient(90deg, #e05c1a, var(--ap-orange));
      border: 1px solid var(--ap-gold);
    }
    .btn-outline-blue {
      border: 2px solid var(--ap-blue);
      color: var(--ap-blue);
      border-radius: 50px;
      padding: 0.6rem 1.8rem;
      font-weight: 600;
      transition: all 0.3s ease;
    }
    .btn-outline-blue:hover {
      background-color: var(--ap-blue);
      color: white;
      border-color: var(--ap-gold);
      transform: scale(1.05);
    }
    .btn-outline-light {
      border: 2px solid white;
      color: white;
      border-radius: 50px;
      transition: all 0.3s ease;
    }
    .btn-outline-light:hover {
      background-color: white;
      color: var(--ap-blue);
      border-color: var(--ap-orange);
      transform: scale(1.05);
    }

    /* ---------- HERO SECTION WITH VIDEO ---------- */
    .hero {
      background: linear-gradient(135deg, var(--ap-blue), var(--ap-sky));
      color: white;
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: "";
      position: absolute;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, var(--ap-orange), transparent 70%);
      top: -150px;
      right: -150px;
      opacity: 0.25;
      animation: rotateBlob 12s linear infinite;
      z-index: 1;
    }
    @keyframes rotateBlob {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }
    .hero h1 {
      font-size: 3.2rem;
      font-weight: 800;
      line-height: 1.1;
      animation: fadeInUp 1s ease;
      position: relative;
      z-index: 3;
    }
    .hero h1 span {
      color: var(--ap-orange);
    }
    .hero .lead, .hero .fw-normal, .hero .doctor-icons, .hero .ecg, .hero .btn {
      position: relative;
      z-index: 3;
    }
    
    /* Video container */
    .hero-video-container {
      width: 100%;
      max-width: 500px;
      margin: 0 auto;
      border-radius: 30px;
      overflow: hidden;
      box-shadow: 0 25px 40px rgba(0,0,0,0.3);
      position: relative;
      z-index: 3;
      animation: floatVideo 4s ease-in-out infinite, glowPulse 3s infinite;
    }
    
    .hero-video-container video {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 30px;
      object-fit: cover;
    }
    
    @keyframes floatVideo {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-15px); }
      100% { transform: translateY(0px); }
    }
    @keyframes glowPulse {
      0% { box-shadow: 0 10px 30px rgba(243,108,33,0.3); }
      50% { box-shadow: 0 20px 50px rgba(243,108,33,0.6); }
      100% { box-shadow: 0 10px 30px rgba(243,108,33,0.3); }
    }

    /* ---------- PHYSICIAN ANIMATIONS ---------- */
    .doctor-icons i {
      font-size: 2.5rem;
      margin-right: 20px;
    }
    .pulse {
      color: var(--ap-orange);
      animation: pulse 1.6s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.3); }
      100% { transform: scale(1); }
    }
    .float {
      animation: float 4s ease-in-out infinite;
      color: white;
    }
    @keyframes float {
      0% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
      100% { transform: translateY(0); }
    }
    .stethoscope-sway {
      display: inline-block;
      animation: sway 3s infinite alternate;
      color: white;
    }
    @keyframes sway {
      0% { transform: rotate(-8deg); }
      100% { transform: rotate(8deg); }
    }
    .ecg {
      height: 40px;
      background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 40'><polyline points='0,20 20,20 25,5 30,35 35,15 40,20 60,20 65,10 70,30 75,18 80,20 100,20 105,8 110,32 115,16 120,20 140,20 150,20 160,20 180,20' stroke='%23ffffff' stroke-width='2' fill='none'/></svg>");
      background-repeat: repeat-x;
      animation: moveEcg 6s linear infinite;
      opacity: 0.6;
      margin: 20px 0;
    }
    @keyframes moveEcg {
      0% { background-position: 0 0; }
      100% { background-position: -200px 0; }
    }

    /* ---------- COUNTDOWN ---------- */
    .countdown {
      background: white;
      margin-top: -50px;
      border-radius: 30px;
      padding: 35px 20px;
      box-shadow: 0 20px 45px rgba(0,0,0,0.08);
      border: 1px solid rgba(21,60,107,0.1);
      transition: all 0.3s ease;
      animation: slideUp 0.8s ease;
      position: relative;
      z-index: 10;
    }
    .countdown:hover {
      box-shadow: 0 25px 50px rgba(21,60,107,0.15);
      border-color: var(--ap-gold);
    }
    @keyframes slideUp {
      from { transform: translateY(30px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }
    .count-box h2 {
      color: var(--ap-blue);
      font-weight: 800;
      font-size: 3rem;
      margin-bottom: 5px;
    }
    .count-box span {
      color: var(--ap-orange);
      font-weight: 600;
      letter-spacing: 3px;
      font-size: 0.9rem;
    }

    /* ---------- WELCOME SECTION ---------- */
    .welcome-block {
      background: white;
      border-radius: 40px;
      padding: 3rem;
      box-shadow: 0 15px 35px rgba(21,60,107,0.06);
      border: 1px solid transparent;
      transition: all 0.3s ease;
    }
    .welcome-block:hover {
      border: 1px solid var(--ap-gold);
      box-shadow: 0 20px 45px rgba(21,60,107,0.1);
    }
    
    /* Physician image styles */
    .physician-image {
      max-width: 100%;
      width: 280px;
      height: auto;
      border-radius: 30px;
      animation: gentleFloat 5s ease-in-out infinite;
      box-shadow: 0 20px 30px rgba(0,0,0,0.15);
      border: 4px solid var(--ap-gold);
      object-fit: cover;
      aspect-ratio: 1/1;
    }
    
    @keyframes gentleFloat {
      0% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
      100% { transform: translateY(0); }
    }

    /* Responsive image sizing */
    @media (max-width: 992px) {
      .physician-image {
        width: 300px;
        margin: 20px auto 0;
      }
    }
    
    @media (max-width: 768px) {
      .physician-image {
        width: 400px;
      }
    }
    
    @media (max-width: 480px) {
      .physician-image {
        width: 400px;
      }
    }

    /* =====================================================
       TOPIC CARDS – MOBILE OPTIMIZED
    ===================================================== */
    .topic-card {
      background: white;
      padding: 2rem 1.2rem;
      border-radius: 30px;
      text-align: center;
      box-shadow: 0 10px 0 rgba(219,169,89,0.15);
      transition: all 0.25s ease;
      height: 100%;
      border: 1px solid #f0e0cc;
    }
    .topic-card:hover {
      transform: scale(1.02);
      box-shadow: 0 14px 0 var(--ap-gold);
      border-color: var(--ap-orange);
    }
    .topic-icon {
      font-size: 2.8rem;
      color: var(--ap-orange);
      margin-bottom: 1.2rem;
    }

    @media (max-width: 576px) {
      .topic-card {
        padding: 1.4rem 1rem;
        border-radius: 22px;
      }
      .topic-card h4 {
        font-size: 2rem;
      }
      .topic-card p {
        font-size: 1.5rem;
      }
      .topic-icon {
        font-size: 3rem;
      }
    }

    /* ---------- COMMITTEE CARDS WITH DUMMY IMAGE ---------- */
    .committee-card {
      background: white;
      padding: 2rem 1rem;
      border-radius: 30px;
      text-align: center;
      box-shadow: 0 8px 0 rgba(21,60,107,0.1);
      transition: all 0.25s ease;
      height: 100%;
      border: 1px solid transparent;
    }
    .committee-card:hover {
      box-shadow: 0 12px 0 var(--ap-blue);
      transform: scale(1.01);
      border: 1px solid var(--ap-orange);
    }
    
    .committee-img {
      width: 200px;
      height: 200px;
      border-radius: 50%;
      object-fit: cover;
      border: 4px solid var(--ap-gold);
      margin-bottom: 1rem;
      transition: transform 0.3s ease;
    }
    .committee-card:hover .committee-img {
      transform: scale(1.05);
      border-color: var(--ap-orange);
    }

    /* =====================================================
       REGISTRATION TABLE – ALL AMOUNTS ZERO
    ===================================================== */
    .table-responsive-custom {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      border-radius: 30px;
    }
    .reg-table {
      min-width: 100%;
    }
    .reg-table table {
      min-width: 700px;
    }
    .reg-table th {
      background: var(--ap-blue);
      color: white;
      font-weight: 700;
      font-size: 1.1rem;
      white-space: nowrap;
    }
    .reg-table td {
      white-space: nowrap;
      font-weight: 500;
    }
    .reg-badge {
      background: var(--ap-orange);
      color: white;
      border-radius: 50px;
      padding: 0.4rem 1.2rem;
      font-weight: 600;
    }

    @media (max-width: 768px) {
      .reg-table table {
        min-width: 650px;
      }
      .reg-table th,
      .reg-table td {
        font-size: 0.85rem;
        padding: 0.7rem 0.6rem;
      }
      .reg-badge {
        font-size: 0.8rem;
        padding: 0.3rem 1rem;
      }
      .reg-table th {
        font-size: 0.95rem;
      }
    }

    /* ---------- CALL FOR ABSTRACTS – MOBILE SINGLE LINE ---------- */
    .deadline-badge {
      background: var(--ap-blue);
      color: white;
      padding: 0.4rem 1.8rem;
      border-radius: 60px;
      display: inline-block;
      white-space: nowrap;
    }
    
    @media (max-width: 576px) {
      .deadline-badge {
        padding: 0.3rem 1rem;
        font-size: 0.85rem;
      }
    }

    /* ---------- VENUE SECTION ---------- */
    .venue-card {
      background: white;
      border-radius: 30px;
      overflow: hidden;
      box-shadow: 0 15px 35px rgba(21,60,107,0.06);
      border: 1px solid transparent;
      transition: all 0.3s ease;
      height: 100%;
    }
    .venue-card:hover {
      border: 1px solid var(--ap-gold);
      box-shadow: 0 20px 45px rgba(21,60,107,0.15);
      transform: translateY(-5px);
    }
    .venue-img {
      height: 220px;
      background-size: cover;
      background-position: center;
      position: relative;
    }
    .direction-btn {
      position: absolute;
      bottom: 15px;
      right: 15px;
      background: var(--ap-orange);
      color: white;
      border-radius: 50px;
      padding: 8px 20px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s ease;
      border: 1px solid transparent;
    }
    .direction-btn:hover {
      background: white;
      color: var(--ap-orange);
      border-color: var(--ap-orange);
      transform: scale(1.05);
    }

    /* ---------- EXPLORE NELLORE CARDS WITH YOUR LOCAL IMAGES ---------- */
    .nellore-card {
      background: white;
      border-radius: 30px;
      overflow: hidden;
      box-shadow: 0 15px 35px rgba(21,60,107,0.06);
      border: 1px solid transparent;
      transition: all 0.3s ease;
      height: 100%;
    }
    .nellore-card:hover {
      border: 1px solid var(--ap-gold);
      box-shadow: 0 20px 45px rgba(21,60,107,0.15);
      transform: translateY(-8px);
    }
    .nellore-img {
      height: 280px;
      background-size: cover;
      background-position: center;
      transition: transform 0.5s ease;
    }
    .nellore-card:hover .nellore-img {
      transform: scale(1.05);
    }
    .nellore-content {
      padding: 1.5rem;
    }
    .nellore-content h4 {
      color: var(--ap-blue);
      margin-bottom: 0.5rem;
      font-family: var(--font-serif);
      font-size: 1.2rem;
    }
    .nellore-content p {
      color: #4a5a6a;
      margin-bottom: 1rem;
      font-size: 0.9rem;
    }
    .nellore-tag {
      background: var(--ap-orange);
      color: white;
      padding: 0.3rem 1rem;
      border-radius: 50px;
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 600;
      margin-bottom: 0.8rem;
    }

    /* ---------- FOOTER ---------- */
    footer {
      background-color: var(--ap-dark);
      color: #dbdbd0;
      padding-top: 3rem;
      margin-top: 4rem;
      border-top: 8px solid var(--ap-gold);
    }
    footer a {
      color: #f7e5c2;
      text-decoration: none;
      border-bottom: 1px dotted transparent;
      transition: all 0.2s ease;
    }
    footer a:hover {
      color: white;
      border-bottom: 1px solid var(--ap-orange);
    }
    .copyright {
      background-color: #0a1e2e;
      letter-spacing: 1px;
    }
    .section-padding {
      padding: 5rem 0;
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1400px) {
      .hero h1 { font-size: 2.8rem; }
      h2 { font-size: 2.3rem; }
    }
    @media (max-width: 1200px) {
      .hero h1 { font-size: 2.6rem; }
      h2 { font-size: 2.2rem; }
    }
    @media (max-width: 992px) {
      .navbar-brand img { max-height: 80px; }
      .navbar-collapse {
        background: white;
        padding: 20px;
        border-radius: 15px;
        margin-top: 10px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
      }
      .navbar-nav { text-align: center; }
      .nav-item { margin-bottom: 10px; }
      .hero { text-align: center; padding: 60px 0; }
      .hero h1 { font-size: 2.2rem; }
      .doctor-icons { justify-content: center; }
      .hero-video-container { margin-top: 30px; max-width: 380px; }
      .hero .btn-lg { width: 100%; }
      .countdown { margin-top: -30px; padding: 25px 15px; }
      .count-box h2 { font-size: 2.2rem; }
      .welcome-block { padding: 2rem; }
      .venue-img { height: 180px; }
    }
    @media (max-width: 768px) {
      body { font-size: 15px; }
      h2 { font-size: 1.8rem; }
      .hero h1 { font-size: 1.9rem; }
      .hero::before { width: 300px; height: 300px; } 
      .doctor-icons i { font-size: 2rem; margin: 10px; }
      .btn-main, .btn-outline-blue, .btn-outline-light { width: 100%; }
      .count-box h2 { font-size: 1.9rem; }
      .count-box span { font-size: 0.75rem; }
      .section-padding { padding: 3rem 0; }
      .nellore-img { height: 280px; }
      .venue-card, .nellore-card { border-radius: 20px; }
    }
    @media (max-width: 576px) {
      .col-6 { padding: 0 8px; }
    }
    @media (max-width: 480px) {
      .navbar-brand img { max-height: 60px; }
      .hero h1 { font-size: 1.6rem; }
      .hero p { font-size: 0.95rem !important; }
      .hero-video-container { max-width: 280px; }
      .count-box h2 { font-size: 1.6rem; }
      .welcome-block { padding: 1.3rem; border-radius: 25px; }
      .committee-card { padding: 1.4rem 0.8rem; border-radius: 18px; }
      .nellore-content { padding: 1rem; }
      .nellore-content h4 { font-size: 1.1rem; }
      .nellore-content p { font-size: 0.85rem; }
      .venue-card .p-5 { padding: 1.5rem !important; }
      footer { text-align: center; }
      footer .d-flex { justify-content: center !important; }
    }