:root {
      --primary: #0187D0;
      --red-accent: #E53935;
      --bg: #FAF7F2;
      --white: #FFFFFF;
      --text-dark: #1a1a1a;
      --text-gray: #666666;

      --radius: 16px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
      --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
      --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
      --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);

      --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
      background: var(--bg);
      color: var(--text-dark);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* =========================
       ANIMATIONS
    ========================= */
    @keyframes gradientShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    @keyframes float {
      0%, 100% { transform: translateY(0) rotate(0deg); }
      50% { transform: translateY(-25px) rotate(5deg); }
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.05); opacity: 0.85; }
    }

    @keyframes slideInLeft {
      from { opacity: 0; transform: translateX(-60px); }
      to { opacity: 1; transform: translateX(0); }
    }

    @keyframes slideInRight {
      from { opacity: 0; transform: translateX(60px); }
      to { opacity: 1; transform: translateX(0); }
    }

    @keyframes slideInUp {
      from { opacity: 0; transform: translateY(40px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @keyframes rotateIn {
      from { opacity: 0; transform: rotate(-180deg) scale(0); }
      to { opacity: 1; transform: rotate(0) scale(1); }
    }

    @keyframes glow {
      0%, 100% {
        box-shadow: 0 0 25px rgba(1, 135, 208, 0.4), 0 0 50px rgba(1, 135, 208, 0.2);
      }
      50% {
        box-shadow: 0 0 35px rgba(1, 135, 208, 0.6), 0 0 70px rgba(1, 135, 208, 0.3);
      }
    }

    @keyframes shimmer {
      0% { background-position: -1000px 0; }
      100% { background-position: 1000px 0; }
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: scale(0.95); }
      to { opacity: 1; transform: scale(1); }
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-15px); }
    }

    /* =========================
       NAVBAR
    ========================= */
    .navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(20px);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border-bottom: 1px solid rgba(1, 135, 208, 0.1);
    }

    .navbar.scrolled {
      background: rgba(255, 255, 255, 0.98);
      box-shadow: var(--shadow-lg);
    }

    .nav-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 1rem 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
    }

    .logo {
      display: flex;
      align-items: center;
      text-decoration: none;
      transition: var(--transition);
      animation: slideInLeft 0.6s ease-out;
    }

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

    .logo-img {
      width: 150px;
      height: 70px;
      object-fit: contain;
      filter: drop-shadow(0 4px 10px rgba(1, 135, 208, 0.25));
      transition: var(--transition);
      animation: rotateIn 0.8s ease-out;
    }

    .logo:hover .logo-img {
      transform: rotate(360deg) scale(1.1);
      filter: drop-shadow(0 6px 15px rgba(1, 135, 208, 0.45));
    }

    .nav-links {
      display: flex;
      gap: 2.5rem;
      align-items: center;
      list-style: none;
    }

    .nav-links li {
      animation: slideInUp 0.6s ease-out backwards;
    }

    .nav-links li:nth-child(1) { animation-delay: 0.1s; }
    .nav-links li:nth-child(2) { animation-delay: 0.2s; }
    .nav-links li:nth-child(3) { animation-delay: 0.3s; }

    .nav-links a {
      color: var(--text-dark);
      text-decoration: none;
      font-weight: 700;
      transition: var(--transition);
      position: relative;
      padding: 0.5rem 0;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--red-accent));
      transition: var(--transition);
      border-radius: 2px;
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .nav-links a:hover {
      color: var(--primary);
      transform: translateY(-2px);
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 6px;
      cursor: pointer;
      z-index: 1001;
      padding: 5px;
    }

    .hamburger span {
      width: 30px;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--red-accent));
      border-radius: 3px;
      transition: var(--transition);
    }

    .hamburger.active span:nth-child(1) {
      transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
      transform: rotate(-45deg) translate(8px, -8px);
    }

    /* =========================
       MOBILE SIDEBAR
    ========================= */
    .mobile-sidebar {
      position: fixed;
      top: 0;
      right: -100%;
      width: 320px;
      height: 100vh;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(250, 247, 242, 0.98));
      backdrop-filter: blur(20px);
      box-shadow: var(--shadow-xl);
      z-index: 1002;
      transition: var(--transition);
      padding: 2rem;
      border-left: 2px solid rgba(1, 135, 208, 0.1);
    }

    .mobile-sidebar.active {
      right: 0;
    }

    .sidebar-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(4px);
      z-index: 1001;
      opacity: 0;
      visibility: hidden;
      transition: var(--transition);
    }

    .sidebar-overlay.active {
      opacity: 1;
      visibility: visible;
    }

    .close-btn {
      position: absolute;
      top: 1.5rem;
      right: 1.5rem;
      background: linear-gradient(135deg, var(--red-accent), #d32f2f);
      border: none;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      font-size: 1.5rem;
      cursor: pointer;
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
      box-shadow: 0 4px 12px rgba(229, 57, 53, 0.3);
    }

    .close-btn:hover {
      transform: rotate(90deg) scale(1.1);
      box-shadow: 0 6px 20px rgba(229, 57, 53, 0.5);
    }

    .mobile-nav-links {
      list-style: none;
      margin-top: 5rem;
    }

    .mobile-nav-links li {
      margin-bottom: 1.5rem;
      animation: slideInRight 0.5s ease-out backwards;
    }

    .mobile-nav-links li:nth-child(1) { animation-delay: 0.1s; }
    .mobile-nav-links li:nth-child(2) { animation-delay: 0.2s; }
    .mobile-nav-links li:nth-child(3) { animation-delay: 0.3s; }

    .mobile-nav-links a {
      color: var(--text-dark);
      text-decoration: none;
      font-size: 1.2rem;
      font-weight: 600;
      transition: var(--transition);
      display: block;
      padding: 0.75rem 1rem;
      border-radius: var(--radius);
    }

    .mobile-nav-links a:hover {
      background: linear-gradient(135deg, rgba(1, 135, 208, 0.1), rgba(229, 57, 53, 0.1));
      color: var(--primary);
      transform: translateX(10px);
    }

    .mobile-contact {
      margin-top: 3rem;
      padding-top: 2rem;
      border-top: 2px solid rgba(1, 135, 208, 0.2);
      font-size: 0.95rem;
      color: var(--text-gray);
      animation: slideInRight 0.5s ease-out 0.5s backwards;
    }

    /* =========================
       MOBILE INTRO VIDEO OVERLAY
    ========================= */
    .video-overlay {
      position: fixed;
      inset: 0;
      background: #000;
      z-index: 9999;
      display: none;
      align-items: center;
      justify-content: center;
    }

    .video-container {
      width: 100%;
      height: 100%;
      position: relative;
    }

    .video-container video {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .skip-btn {
      position: absolute;
      top: 2rem;
      right: 2rem;
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(10px);
      color: white;
      border: 2px solid rgba(255, 255, 255, 0.5);
      padding: 0.75rem 1.5rem;
      border-radius: 50px;
      cursor: pointer;
      font-weight: 700;
      transition: var(--transition);
      z-index: 10000;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .skip-btn:hover {
      background: rgba(255, 255, 255, 0.3);
      transform: scale(1.05);
    }

    .tap-play {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      background: rgba(255, 255, 255, 0.95);
      padding: 2rem 3rem;
      border-radius: 20px;
      font-weight: 700;
      font-size: 1.2rem;
      color: var(--primary);
      display: none;
      z-index: 10000;
      cursor: pointer;
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
      animation: pulse 2s infinite;
    }

    /* =========================
       HERO
    ========================= */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 8rem 2rem 4rem;
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, #FAF7F2 0%, #e8f4fd 50%, #FAF7F2 100%);
      background-size: 200% 200%;
      animation: gradientShift 15s ease infinite;
    }

    .hero::before,
    .hero::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      animation: float 10s ease-in-out infinite;
    }

    .hero::before {
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(1, 135, 208, 0.15) 0%, transparent 70%);
      top: -200px;
      right: -200px;
      animation-delay: 0s;
    }

    .hero::after {
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(229, 57, 53, 0.1) 0%, transparent 70%);
      bottom: -100px;
      left: -100px;
      animation-delay: 2s;
    }

    .hero-content {
      max-width: 1000px;
      z-index: 1;
    }

    .tagline {
      color: var(--red-accent);
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 1.5rem;
      letter-spacing: 2px;
      text-transform: uppercase;
      animation: slideInUp 0.8s ease-out;
      text-shadow: 2px 2px 4px rgba(229, 57, 53, 0.1);
    }

    .hero h1 {
      font-size: 5rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 2rem;
      line-height: 1.1;
      animation: slideInUp 0.8s ease-out 0.2s backwards;
      text-shadow: 3px 3px 6px rgba(1, 135, 208, 0.1);
      letter-spacing: -1px;
    }

    .hero p {
      font-size: 1.35rem;
      color: var(--text-gray);
      margin-bottom: 3rem;
      max-width: 850px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.9;
      animation: slideInUp 0.8s ease-out 0.4s backwards;
    }

    .hero-ctas {
      display: flex;
      gap: 2rem;
      justify-content: center;
      flex-wrap: wrap;
      animation: slideInUp 0.8s ease-out 0.6s backwards;
    }

    .btn-primary {
      padding: 1.3rem 3rem;
      border-radius: 50px;
      font-weight: 800;
      text-decoration: none;
      transition: var(--transition);
      font-size: 1.2rem;
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, var(--primary), #0170b5);
      color: white;
      box-shadow: 0 6px 25px rgba(1, 135, 208, 0.4);
    }

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

    .btn-primary:hover::before {
      width: 400px;
      height: 400px;
    }

    .btn-primary:hover {
      transform: translateY(-5px) scale(1.05);
      box-shadow: 0 12px 40px rgba(1, 135, 208, 0.6);
    }

    /* =========================
       SLIDER
    ========================= */
    .slider-section {
      padding: 6rem 2rem;
      background: white;
      position: relative;
    }

    .slider-container {
      max-width: 1400px;
      margin: 0 auto;
      position: relative;
    }

    .slider {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
      background: #000;
      width: 100%;
      height: 70vh;
      min-height: 500px;
      max-height: 800px;
    }

    .slide {
      display: none;
      position: relative;
      width: 100%;
      height: 100%;
    }

    .slide.active {
      display: block;
      animation: fadeIn 0.8s ease-in;
    }

    .slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
    }

    .slide-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(to top, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.4), transparent);
      padding: 4rem 3rem 3rem;
      color: white;
      animation: slideInUp 0.8s ease-out 0.3s backwards;
    }

    .slide-overlay h2 {
      font-size: 2.8rem;
      margin-bottom: 0.75rem;
      color: white;
      text-shadow: 3px 3px 10px rgba(0, 0, 0, 0.5);
      font-weight: 900;
      letter-spacing: -0.5px;
    }

    .slide-overlay h3 {
      font-size: 2rem;
      margin-bottom: 0.75rem;
      color: rgba(255, 255, 255, 0.95);
      text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
      font-weight: 800;
    }

    .slide-overlay p {
      font-size: 1.25rem;
      max-width: 700px;
      text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.4);
      line-height: 1.7;
    }

    .corner-badge {
      position: absolute;
      top: 2.5rem;
      right: 2.5rem;
      background: rgba(1, 135, 208, 0.25);
      backdrop-filter: blur(15px);
      padding: 1rem 2rem;
      border-radius: 50px;
      font-weight: 800;
      font-size: 1.15rem;
      color: white;
      border: 2px solid rgba(255, 255, 255, 0.4);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
      animation: pulse 3s infinite;
    }

    .slider-controls {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 100%;
      display: flex;
      justify-content: space-between;
      padding: 0 1.5rem;
      pointer-events: none;
      z-index: 10;
    }

    .slider-btn {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border: none;
      width: 65px;
      height: 65px;
      border-radius: 50%;
      cursor: pointer;
      font-size: 2.2rem;
      color: var(--primary);
      transition: var(--transition);
      pointer-events: all;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }

    .slider-btn:hover {
      background: white;
      transform: scale(1.2);
      box-shadow: 0 8px 30px rgba(1, 135, 208, 0.4);
      color: var(--red-accent);
    }

    .slider-dots {
      display: flex;
      justify-content: center;
      gap: 1rem;
      margin-top: 2.5rem;
    }

    .dot {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: #ddd;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    }

    .dot:hover {
      background: #bbb;
      transform: scale(1.3);
    }

    .dot.active {
      background: linear-gradient(135deg, var(--primary), var(--red-accent));
      width: 45px;
      border-radius: 7px;
      box-shadow: 0 4px 12px rgba(1, 135, 208, 0.5);
    }

    /* =========================
       SECTIONS GLOBAL
    ========================= */
    section {
      padding: 6rem 2rem;
      opacity: 0;
      transform: translateY(50px);
      transition: opacity 1s ease, transform 1s ease;
    }

    section.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .container {
      max-width: 1400px;
      margin: 0 auto;
    }

    .section-title {
      text-align: center;
      font-size: 3.2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 4rem;
      position: relative;
      letter-spacing: -1px;
      text-shadow: 2px 2px 4px rgba(1, 135, 208, 0.1);
    }

    .section-title::after {
      content: "";
      position: absolute;
      bottom: -15px;
      left: 50%;
      transform: translateX(-50%);
      width: 100px;
      height: 5px;
      background: linear-gradient(90deg, var(--primary), var(--red-accent));
      border-radius: 3px;
      box-shadow: 0 4px 10px rgba(1, 135, 208, 0.3);
    }

    /* =========================
       ABOUT
    ========================= */
    .about-content {
      max-width: 1100px;
      margin: 0 auto;
      background: white;
      padding: 4rem;
      border-radius: 24px;
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
      transform-style: preserve-3d;
      transition: var(--transition);
      border: 1px solid rgba(1, 135, 208, 0.1);
    }

    .about-content:hover {
      transform: translateY(-10px);
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
    }

    .about-content h3 {
      color: var(--primary);
      font-size: 2rem;
      margin-bottom: 1.5rem;
      margin-top: 2.5rem;
      font-weight: 900;
      position: relative;
      padding-left: 20px;
    }

    .about-content h3::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 5px;
      height: 80%;
      background: linear-gradient(180deg, var(--primary), var(--red-accent));
      border-radius: 3px;
    }

    .about-content h3:first-of-type {
      margin-top: 0;
    }

    .about-content p {
      color: var(--text-gray);
      font-size: 1.2rem;
      line-height: 2;
    }

    .core-identity {
      background: linear-gradient(135deg, rgba(1, 135, 208, 0.08), rgba(229, 57, 53, 0.08));
      padding: 2.5rem;
      border-radius: 20px;
      margin-top: 2.5rem;
      border-left: 6px solid var(--red-accent);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
      transition: var(--transition);
    }

    .core-identity:hover {
      transform: translateX(10px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    }

    /* =========================
       SANGI CARDS
    ========================= */
    .sangi-intro {
      text-align: center;
      max-width: 900px;
      margin: 0 auto 4rem;
      padding: 2.5rem;
      background: linear-gradient(135deg, rgba(1, 135, 208, 0.05), rgba(229, 57, 53, 0.05));
      border-radius: 20px;
      border: 2px solid rgba(1, 135, 208, 0.1);
    }

    .sangi-intro h3 {
      font-size: 2.5rem;
      color: var(--primary);
      margin-bottom: 1rem;
      font-weight: 900;
    }

    .sangi-intro .full-form {
      font-size: 1.8rem;
      color: var(--red-accent);
      font-weight: 800;
      margin-bottom: 1.5rem;
      letter-spacing: 1px;
    }

    .sangi-intro p {
      font-size: 1.2rem;
      color: var(--text-gray);
      line-height: 1.8;
    }

    .sangi-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 3rem;
      margin-top: 3rem;
      perspective: 1000px;
    }

    .sangi-card {
      background: white;
      padding: 3.5rem 2.5rem;
      border-radius: 24px;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
      transform-style: preserve-3d;
      cursor: pointer;
    }

    .sangi-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 6px;
      background: linear-gradient(90deg, var(--primary), var(--red-accent));
      transform: scaleX(0);
      transform-origin: left;
      transition: var(--transition);
    }

    .sangi-card::after {
      content: "";
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(1, 135, 208, 0.08) 0%, transparent 70%);
      transform: scale(0);
      transition: var(--transition);
      z-index: 0;
    }

    .sangi-card:hover::before {
      transform: scaleX(1);
    }

    .sangi-card:hover::after {
      transform: scale(1);
    }

    .sangi-card:hover {
      transform: translateY(-20px) rotateX(8deg) rotateY(3deg) scale(1.03);
      box-shadow: 0 30px 60px rgba(1, 135, 208, 0.25);
    }

    .sangi-letter {
      font-size: 4rem;
      font-weight: 900;
      color: var(--primary);
      background: linear-gradient(135deg, var(--primary), var(--red-accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 1rem;
      position: relative;
      z-index: 1;
      animation: bounce 2s ease-in-out infinite;
    }

    .sangi-card:nth-child(1) .sangi-letter { animation-delay: 0s; }
    .sangi-card:nth-child(2) .sangi-letter { animation-delay: 0.2s; }
    .sangi-card:nth-child(3) .sangi-letter { animation-delay: 0.4s; }
    .sangi-card:nth-child(4) .sangi-letter { animation-delay: 0.6s; }
    .sangi-card:nth-child(5) .sangi-letter { animation-delay: 0.8s; }

    .sangi-card h3 {
      font-size: 2.2rem;
      color: var(--primary);
      margin-bottom: 1.5rem;
      font-weight: 900;
      position: relative;
      z-index: 1;
    }

    .sangi-card p {
      color: var(--text-gray);
      line-height: 1.9;
      position: relative;
      z-index: 1;
      font-size: 1.1rem;
    }

    /* =========================
       FOCUS AREAS
    ========================= */
    .focus-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
      gap: 3rem;
      margin-bottom: 4rem;
    }

    .focus-card {
      background: white;
      padding: 3.5rem;
      border-radius: 24px;
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
      transition: var(--transition);
      border-top: 6px solid var(--primary);
      transform-style: preserve-3d;
      position: relative;
      overflow: hidden;
    }

    .focus-card::before {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 150px;
      height: 150px;
      background: radial-gradient(circle, rgba(1, 135, 208, 0.1) 0%, transparent 70%);
      transform: translate(50%, -50%);
      transition: var(--transition);
    }

    .focus-card:hover::before {
      transform: translate(30%, -30%) scale(1.5);
    }

    .focus-card:hover {
      transform: translateY(-15px) scale(1.02);
      box-shadow: 0 25px 60px rgba(1, 135, 208, 0.25);
      border-top-color: var(--red-accent);
    }

    .focus-card h3 {
      color: var(--primary);
      font-size: 2rem;
      margin-bottom: 2rem;
      font-weight: 900;
      position: relative;
      z-index: 1;
    }

    .focus-card ul {
      list-style: none;
      padding: 0;
      position: relative;
      z-index: 1;
    }

    .focus-card li {
      color: var(--text-gray);
      padding: 0.85rem 0;
      padding-left: 2rem;
      position: relative;
      line-height: 1.8;
      font-size: 1.08rem;
      transition: var(--transition);
    }

    .focus-card li:hover {
      color: var(--text-dark);
      transform: translateX(8px);
    }

    .focus-card li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--red-accent);
      font-weight: 900;
      font-size: 1.3rem;
    }

    /* =========================
       CONTACT
    ========================= */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      gap: 4rem;
      max-width: 1300px;
      margin: 0 auto;
    }

    .contact-form {
      background: white;
      padding: 4rem;
      border-radius: 24px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
      position: relative;
      overflow: hidden;
    }

    .contact-form::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 6px;
      background: linear-gradient(90deg, var(--primary), var(--red-accent));
    }

    .form-group {
      position: relative;
      margin-bottom: 2.5rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 1.25rem 1.5rem;
      border: 2px solid #e8e8e8;
      border-radius: 12px;
      font-size: 1.05rem;
      font-family: inherit;
      transition: var(--transition);
      background: #fafafa;
      font-weight: 500;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--primary);
      background: white;
      box-shadow: 0 5px 20px rgba(1, 135, 208, 0.15);
      transform: translateY(-2px);
    }

    .form-group label {
      position: absolute;
      top: 1.25rem;
      left: 1.5rem;
      color: var(--text-gray);
      pointer-events: none;
      transition: var(--transition);
      background: white;
      padding: 0 0.5rem;
      font-weight: 600;
    }

    .form-group input:focus + label,
    .form-group input:not(:placeholder-shown) + label,
    .form-group select:focus + label,
    .form-group select:not([value=""]) + label,
    .form-group textarea:focus + label,
    .form-group textarea:not(:placeholder-shown) + label {
      top: -0.75rem;
      font-size: 0.9rem;
      color: var(--primary);
      font-weight: 700;
    }

    .form-group textarea {
      resize: vertical;
      min-height: 140px;
    }

    .form-error {
      color: var(--red-accent);
      font-size: 0.9rem;
      margin-top: 0.75rem;
      display: none;
      font-weight: 600;
    }

    .submit-btn {
      background: linear-gradient(135deg, var(--primary), #0170b5);
      color: white;
      padding: 1.25rem 3rem;
      border: none;
      border-radius: 50px;
      font-size: 1.2rem;
      font-weight: 900;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 8px 25px rgba(1, 135, 208, 0.4);
      width: 100%;
      position: relative;
      overflow: hidden;
    }

    .submit-btn::before {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: 0;
      height: 0;
      background: rgba(255, 255, 255, 0.3);
      border-radius: 50%;
      transform: translate(-50%, -50%);
      transition: width 0.6s, height 0.6s;
    }

    .submit-btn:hover::before {
      width: 500px;
      height: 500px;
    }

    .submit-btn:hover {
      transform: translateY(-4px);
      box-shadow: 0 15px 40px rgba(1, 135, 208, 0.6);
    }

    .contact-info {
      background: linear-gradient(135deg, var(--primary), #0170b5);
      padding: 4rem 3rem;
      border-radius: 24px;
      color: white;
      box-shadow: 0 20px 60px rgba(1, 135, 208, 0.3);
      position: relative;
      overflow: hidden;
    }

    .contact-info::before {
      content: "";
      position: absolute;
      top: -30%;
      right: -30%;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
      animation: float 10s ease-in-out infinite;
    }

    .contact-info h3 {
      font-size: 2.5rem;
      margin-bottom: 3rem;
      font-weight: 900;
      position: relative;
      z-index: 1;
    }

    .contact-item {
      margin-bottom: 2.5rem;
      display: flex;
      align-items: flex-start;
      gap: 1.5rem;
      position: relative;
      z-index: 1;
      padding: 1.5rem;
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      border-radius: 16px;
      transition: var(--transition);
    }

    .contact-item:hover {
      background: rgba(255, 255, 255, 0.15);
      transform: translateX(10px);
    }

    .contact-item-icon {
      font-size: 2rem;
      margin-top: 0.2rem;
      filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    }

    .contact-item-content h4 {
      font-size: 1.2rem;
      margin-bottom: 0.75rem;
      opacity: 0.95;
      font-weight: 700;
    }

    .contact-item-content p {
      font-size: 1.05rem;
      line-height: 1.6;
    }

    .contact-item-content a {
      color: white;
      text-decoration: none;
      transition: var(--transition);
      font-weight: 600;
    }

    .contact-item-content a:hover {
      opacity: 0.8;
      text-decoration: underline;
    }

    /* =========================
       TOAST
    ========================= */
    .toast {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      background: linear-gradient(135deg, #4CAF50, #45a049);
      color: white;
      padding: 1.5rem 2.5rem;
      border-radius: 16px;
      box-shadow: 0 10px 35px rgba(76, 175, 80, 0.4);
      opacity: 0;
      transform: translateY(100px);
      transition: var(--transition);
      z-index: 10000;
      font-weight: 700;
      font-size: 1.05rem;
    }

    .toast.show {
      opacity: 1;
      transform: translateY(0);
      animation: glow 2s ease-in-out infinite;
    }

    /* =========================
       WHATSAPP FLOAT
    ========================= */
    .whatsapp-float {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      width: 70px;
      height: 70px;
      background: linear-gradient(135deg, #25D366, #20ba5a);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
      cursor: pointer;
      transition: var(--transition);
      z-index: 999;
      text-decoration: none;
      color: white;
      font-size: 2.5rem;
      animation: pulse 3s infinite;
    }

    .whatsapp-float:hover {
      transform: scale(1.15) rotate(10deg);
      box-shadow: 0 12px 45px rgba(37, 211, 102, 0.7);
    }

    /* =========================
       FOOTER
    ========================= */
    footer {
      background: white;
      border-top: 3px solid rgba(1, 135, 208, 0.1);
      padding: 4rem 2rem 2rem;
      box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.05);
    }

    .footer-content {
      max-width: 1400px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 3rem;
      margin-bottom: 3rem;
    }

    .footer-section h3 {
      color: var(--primary);
      font-size: 1.8rem;
      margin-bottom: 1.5rem;
      font-weight: 900;
    }

    .footer-section p {
      color: var(--text-gray);
      margin-bottom: 0.75rem;
      line-height: 1.7;
      font-size: 1.05rem;
    }

    .footer-section a {
      color: var(--text-gray);
      text-decoration: none;
      transition: var(--transition);
      display: block;
      margin-bottom: 0.75rem;
      font-weight: 600;
      font-size: 1.05rem;
    }

    .footer-section a:hover {
      color: var(--primary);
      transform: translateX(5px);
    }

    .footer-bottom {
      text-align: center;
      padding-top: 2.5rem;
      border-top: 2px solid rgba(1, 135, 208, 0.1);
      color: var(--text-gray);
      font-size: 1rem;
      font-weight: 600;
    }

    /* =========================
       RESPONSIVE
    ========================= */
    @media (max-width: 1024px) {
      .contact-grid {
        grid-template-columns: 1fr;
      }

      .focus-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      }

      .slider {
        height: 60vh;
        min-height: 400px;
      }

      .logo-img {
        width: 60px;
        height: 60px;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }

      .hamburger {
        display: flex;
      }

      .logo-img {
        width: 120px;
        height: 50px;
      }

      .hero {
        padding: 6rem 1.5rem 3rem;
      }

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

      .hero p {
        font-size: 1.15rem;
      }

      .hero-ctas {
        flex-direction: column;
        gap: 1rem;
      }

      .btn-primary {
        width: 100%;
        max-width: 400px;
      }

      .section-title {
        font-size: 2.5rem;
      }

      .sangi-grid,
      .focus-grid {
        grid-template-columns: 1fr;
      }

      .slider {
        height: 50vh;
        min-height: 350px;
        border-radius: 16px;
      }

      .slider-btn {
        width: 50px;
        height: 50px;
        font-size: 1.8rem;
      }

      .slide-overlay {
        padding: 2rem 1.5rem 1.5rem;
      }

      .slide-overlay h2 {
        font-size: 1.8rem;
      }

      .slide-overlay h3 {
        font-size: 1.4rem;
      }

      .slide-overlay p {
        font-size: 1rem;
      }

      .corner-badge {
        top: 1rem;
        right: 1rem;
        font-size: 0.9rem;
        padding: 0.75rem 1.25rem;
      }

      .about-content,
      .contact-form {
        padding: 2.5rem 2rem;
      }

      .whatsapp-float {
        width: 60px;
        height: 60px;
        font-size: 2rem;
      }

      .toast {
        right: 1rem;
        left: 1rem;
        bottom: 1rem;
      }

      .sangi-intro h3 {
        font-size: 2rem;
      }

      .sangi-intro .full-form {
        font-size: 1.4rem;
      }

      .sangi-letter {
        font-size: 3rem;
      }
    }

    @media (max-width: 480px) {
      .nav-container {
        padding: 1rem;
      }

      .logo-img {
        width: 45px;
        height: 45px;
      }

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

      .tagline {
        font-size: 1rem;
      }

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

      .about-content,
      .contact-form {
        padding: 2rem 1.5rem;
      }

      .sangi-card,
      .focus-card {
        padding: 2.5rem 2rem;
      }

      .slider-controls {
        padding: 0 0.5rem;
      }

      .slider-btn {
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
      }

      .slider {
        height: 45vh;
        min-height: 300px;
      }
    }