/* ============================================
       THEME VARIABLES
       ============================================ */
    :root {
      --primary: #3b82f6;
      --primary-dark: #2563eb;
      --primary-light: #60a5fa;
      --secondary: #8b5cf6;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --radius-full: 9999px;
      --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
      --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
      --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
      --transition-fast: 0.15s ease;
      --transition-normal: 0.3s ease;
    }

    [data-theme="light"] {
      --bg-primary: #ffffff;
      --bg-secondary: #f8fafc;
      --bg-tertiary: #f1f5f9;
      --text-primary: #0f172a;
      --text-secondary: #475569;
      --text-tertiary: #64748b;
      --border: #e2e8f0;
      --card-bg: #ffffff;
      --hero-overlay: linear-gradient(135deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.6) 100%);
    }

    [data-theme="dark"] {
      --bg-primary: #0f172a;
      --bg-secondary: #1e293b;
      --bg-tertiary: #334155;
      --text-primary: #f1f5f9;
      --text-secondary: #cbd5e1;
      --text-tertiary: #94a3b8;
      --border: #334155;
      --card-bg: #1e293b;
      --hero-overlay: linear-gradient(135deg, rgba(15,23,42,0.92) 0%, rgba(15,23,42,0.7) 100%);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
      background: var(--bg-primary);
      color: var(--text-primary);
      transition: background var(--transition-normal), color var(--transition-normal);
      line-height: 1.5;
      overflow-x: hidden;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Typography */
    .gradient-text {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .section {
      padding: 80px 0;
    }

    .section-alt {
      background: var(--bg-secondary);
    }

    .section-header {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: var(--primary);
      background: rgba(59, 130, 246, 0.1);
      padding: 4px 12px;
      border-radius: var(--radius-full);
      margin-bottom: 16px;
    }

    .section-title {
      font-size: 36px;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 16px;
    }

    @media (min-width: 768px) {
      .section-title {
        font-size: 48px;
      }
    }

    .section-subtitle {
      font-size: 18px;
      color: var(--text-secondary);
    }

    /* Buttons */
    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: white;
      border: none;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition-normal);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }

    .btn-ghost {
      background: transparent;
      border: 1.5px solid var(--border);
      color: var(--text-primary);
      padding: 12px 28px;
      border-radius: var(--radius-md);
      font-weight: 500;
      cursor: pointer;
      transition: all var(--transition-normal);
    }

    .btn-ghost:hover {
      border-color: var(--primary);
      background: rgba(59, 130, 246, 0.05);
    }

    .btn-sm {
      padding: 8px 20px;
      font-size: 13px;
    }

    .btn-lg {
      padding: 14px 32px;
      font-size: 16px;
    }

    .btn-block {
      width: 100%;
    }

    /* Navigation */
    .nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--bg-primary);
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(10px);
    }

    .nav-container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 16px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 24px;
      font-weight: 700;
    }

    .logo-mark {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 800;
    }

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

    .nav-links {
      display: none;
      gap: 32px;
    }

    @media (min-width: 768px) {
      .nav-links {
        display: flex;
      }
    }

    .nav-link {
      font-weight: 500;
      color: var(--text-secondary);
      transition: color var(--transition-fast);
      text-decoration: none;
    }

    .nav-link:hover {
      color: var(--primary);
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .theme-toggle {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--bg-secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      border: 1px solid var(--border);
    }

    .icon-sun, .icon-moon {
      width: 18px;
      height: 18px;
      stroke: currentColor;
    }

    [data-theme="dark"] .icon-sun { display: none; }
    [data-theme="light"] .icon-moon { display: none; }

    /* Hero */
    .hero {
      position: relative;
      height: 90vh;
      min-height: 600px;
      overflow: hidden;
    }

    .hero-slides {
      display: flex;
      height: 100%;
    }

    .hero-slide {
      min-width: 100%;
      height: 100%;
      position: relative;
      display: flex;
      align-items: center;
    }

    .slide-bg {
      position: absolute;
      inset: 0;
    }

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

    .slide-overlay {
      position: absolute;
      inset: 0;
      background: var(--hero-overlay);
    }

    .slide-content {
      position: relative;
      z-index: 2;
      max-width: 700px;
      padding: 0 24px;
    }

    .slide-badge {
      display: inline-block;
      background: rgba(59, 130, 246, 0.15);
      backdrop-filter: blur(8px);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 500;
      color: var(--primary);
      margin-bottom: 24px;
    }

    .slide-content h1 {
      font-size: 40px;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 20px;
    }

    @media (min-width: 768px) {
      .slide-content h1 {
        font-size: 56px;
      }
    }

    .slide-content p {
      font-size: 16px;
      color: var(--text-secondary);
      margin-bottom: 32px;
      max-width: 500px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .hero-stats {
      display: flex;
      gap: 32px;
    }

    .hero-stat {
      font-size: 14px;
      color: var(--text-secondary);
    }

    .hero-stat span {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      display: block;
    }

    /* SERVICE DETAIL BLOCKS */
    .service-detail-block {
      padding: 80px 0;
      border-bottom: 1px solid var(--border);
    }

    .service-detail-block.alt {
      background: var(--bg-secondary);
    }

    .service-detail-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 48px;
      align-items: center;
    }

    @media (min-width: 992px) {
      .service-detail-grid {
        grid-template-columns: 1fr 1fr;
      }
      
      .service-detail-grid.reverse {
        direction: rtl;
      }
      
      .service-detail-grid.reverse > * {
        direction: ltr;
      }
    }

    .service-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: var(--primary);
      background: rgba(59, 130, 246, 0.1);
      padding: 4px 12px;
      border-radius: 9999px;
      margin-bottom: 20px;
    }

    .service-detail-name {
      font-size: 32px;
      font-weight: 700;
      margin-bottom: 20px;
      color: var(--text-primary);
    }

    @media (min-width: 768px) {
      .service-detail-name {
        font-size: 36px;
      }
    }

    .service-detail-description {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .service-features {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 32px;
    }

    .service-feature {
      font-size: 15px;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .service-feature::before {
      content: "✓";
      color: var(--primary);
      font-weight: 700;
    }

    .service-stats {
      display: flex;
      gap: 32px;
      margin-bottom: 32px;
      padding: 20px 0;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .service-stat {
      text-align: center;
    }

    .stat-value {
      display: block;
      font-size: 28px;
      font-weight: 700;
      color: var(--primary);
    }

    .stat-label {
      font-size: 12px;
      color: var(--text-tertiary);
    }

    /* Swiper */
    .service-detail-media {
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-xl);
    }

    .service-swiper {
      width: 100%;
      height: 350px;
    }

    @media (min-width: 768px) {
      .service-swiper {
        height: 400px;
      }
    }

    .service-swiper .swiper-slide img,
    .service-swiper .swiper-slide video {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .service-swiper .swiper-button-next,
    .service-swiper .swiper-button-prev {
      color: white !important;
      background: rgba(0,0,0,0.5);
      width: 40px;
      height: 40px;
      border-radius: 50%;
    }

    .service-swiper .swiper-button-next:after,
    .service-swiper .swiper-button-prev:after {
      font-size: 18px;
    }

    .service-swiper .swiper-pagination-bullet {
      background: white !important;
      opacity: 0.6;
    }

    .service-swiper .swiper-pagination-bullet-active {
      background: var(--primary) !important;
      opacity: 1;
    }

    /* Video Showcase */
    .video-showcase-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 48px;
      align-items: center;
    }

    @media (min-width: 992px) {
      .video-showcase-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    .video-features {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin: 32px 0;
    }

    .video-feature {
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }

    .vf-icon {
      font-size: 24px;
    }

    .vf-text strong {
      display: block;
      font-size: 16px;
      margin-bottom: 4px;
    }

    .vf-text span {
      font-size: 14px;
      color: var(--text-tertiary);
    }

    .video-wrapper {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-xl);
    }

    .video-wrapper video {
      width: 100%;
      display: block;
    }

    .video-play-btn {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 80px;
      height: 80px;
      background: rgba(59, 130, 246, 0.9);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all var(--transition-normal);
    }

    /* Showcase */
    .showcase-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }

    @media (min-width: 768px) {
      .showcase-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    .showcase-item {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      aspect-ratio: 4/3;
      cursor: pointer;
    }

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

    .showcase-item:hover img {
      transform: scale(1.05);
    }

    .showcase-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
      display: flex;
      align-items: flex-end;
      padding: 24px;
      opacity: 0;
      transition: opacity var(--transition-normal);
    }

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

    .showcase-info h4 {
      color: white;
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .showcase-info p {
      color: rgba(255,255,255,0.8);
      font-size: 13px;
      margin-bottom: 8px;
    }

    .showcase-tag {
      font-size: 11px;
      padding: 3px 10px;
      background: var(--primary);
      border-radius: var(--radius-full);
      color: white;
    }

    /* Contact */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr;
      gap: 48px;
      background: var(--card-bg);
      border-radius: var(--radius-xl);
      padding: 40px;
      box-shadow: var(--shadow-lg);
    }

    @media (min-width: 992px) {
      .contact-wrapper {
        grid-template-columns: 1fr 1fr;
      }
    }

    .contact-details {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 32px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
    }

    .contact-icon {
      font-size: 20px;
    }

    .contact-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }

    @media (min-width: 576px) {
      .form-row {
        grid-template-columns: 1fr 1fr;
      }
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      font-family: inherit;
      font-size: 14px;
      color: var(--text-primary);
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
    }

    .form-textarea {
      resize: vertical;
    }

    .form-note {
      text-align: center;
      font-size: 12px;
      color: var(--text-tertiary);
      margin-top: 12px;
    }

    /* Footer */
    .footer {
      background: var(--bg-secondary);
      border-top: 1px solid var(--border);
      padding: 48px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 32px;
      margin-bottom: 48px;
    }

    @media (min-width: 768px) {
      .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
      }
    }

    .footer-logo {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 16px;
    }

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

    .footer-brand p {
      font-size: 14px;
      color: var(--text-tertiary);
      margin-bottom: 20px;
    }

    .footer-socials {
      display: flex;
      gap: 12px;
    }

    .social-link {
      width: 36px;
      height: 36px;
      background: var(--bg-tertiary);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      text-decoration: none;
      color: var(--text-primary);
      transition: all var(--transition-fast);
    }

    .social-link:hover {
      background: var(--primary);
      color: white;
    }

    .footer-links h4 {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-links a {
      display: block;
      font-size: 13px;
      color: var(--text-tertiary);
      margin-bottom: 10px;
      text-decoration: none;
      transition: color var(--transition-fast);
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid var(--border);
      font-size: 12px;
      color: var(--text-tertiary);
    }

    @media (min-width: 768px) {
      .footer-bottom {
        flex-direction: row;
      }
    }

    .footer-badges {
      display: flex;
      gap: 16px;
    }