:root {
      --primary: #0c5da5;
      --primary-dark: #073c6c;
      --secondary: #ff9d00;
      --dark: #152238;
      --text: #5c6778;
      --light: #f5f8fc;
      --white: #ffffff;
      --border: #e3e9f1;
      --success: #168548;
      --shadow: 0 12px 35px rgba(18, 45, 79, 0.11);
      --radius: 14px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: Arial, Helvetica, sans-serif;
      background: var(--white);
      color: var(--dark);
      line-height: 1.6;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      text-decoration: none;
    }

    .container {
      width: min(1160px, 92%);
      margin: auto;
    }

    .section {
      padding: 78px 0;
    }

    .section-light {
      background: var(--light);
    }

    .section-title {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 42px;
    }

    .section-title span {
      display: inline-block;
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .section-title h2 {
      font-size: clamp(28px, 4vw, 40px);
      margin-bottom: 12px;
      color: var(--dark);
    }

    .section-title p {
      color: var(--text);
      font-size: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 22px;
      border-radius: 8px;
      border: none;
      cursor: pointer;
      font-size: 15px;
      font-weight: 700;
      transition: 0.25s ease;
    }

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

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

    .btn-outline {
      color: var(--primary);
      border: 1px solid var(--primary);
      background: transparent;
    }

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

    .btn-warning {
      background: var(--secondary);
      color: #222;
    }

    .btn-warning:hover {
      background: #e38b00;
      transform: translateY(-2px);
    }

    /* Header */
    .topbar {
      background: var(--dark);
      color: #dce5f0;
      font-size: 13px;
      padding: 9px 0;
    }

    .topbar-content {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
    }

    .topbar a {
      color: #dce5f0;
    }

    header {
      background: var(--white);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 3px 15px rgba(0, 0, 0, 0.06);
    }

    .navbar {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .logo {
      display: flex;
      align-items: center;
      padding-top: 5px;
      padding-bottom: 5px;
      gap: 10px;
      color: var(--dark);
      font-size: 22px;
      font-weight: 800;
    }

    .logo-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      background: var(--primary);
      color: var(--white);
      font-size: 22px;
    }

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

    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .nav-links a {
      color: var(--dark);
      font-size: 14px;
      font-weight: 700;
    }

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

    .mobile-menu {
      display: none;
      font-size: 25px;
      border: none;
      background: transparent;
      cursor: pointer;
    }

    /* Hero */
    .hero {
      min-height: 610px;
      display: flex;
      align-items: center;
      background:
        linear-gradient(90deg, rgba(10, 38, 70, 0.95), rgba(10, 38, 70, 0.68)),
        url("images/herobanner.avif")
        center/cover;
      color: var(--white);
    }

    .hero-content {
      max-width: 670px;
      padding: 75px 0;
    }

    .hero-badge {
      display: inline-block;
      padding: 8px 13px;
      border: 1px solid rgba(255,255,255,0.35);
      background: rgba(255,255,255,0.12);
      border-radius: 30px;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .hero h1 {
      font-size: clamp(38px, 6vw, 62px);
      line-height: 1.1;
      margin-bottom: 18px;
    }

    .hero h1 span {
      color: #ffb62f;
    }

    .hero p {
      color: #e1eaf5;
      max-width: 620px;
      font-size: 17px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 40px;
    }

    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 26px;
    }

    .hero-stat {
      border-left: 2px solid var(--secondary);
      padding-left: 12px;
    }

    .hero-stat strong {
      display: block;
      font-size: 22px;
    }

    .hero-stat small {
      color: #d6e1ec;
      font-size: 13px;
    }

    /* Category Cards */
    .category-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .category-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 25px 18px;
      text-align: center;
      transition: 0.25s ease;
    }

    .category-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow);
      border-color: #c9ddf3;
    }

    .category-icon {
      width: 70px;
      height: 70px;
      display: grid;
      place-items: center;
      margin: 0 auto 15px;
      border-radius: 50%;
      background: #eaf4ff;
      font-size: 32px;
    }

    .category-card h3 {
      font-size: 16px;
      margin-bottom: 5px;
    }

    .category-card p {
      color: var(--text);
      font-size: 13px;
    }

    /* Product Cards */
    .parts-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .part-card {
      overflow: hidden;
      border: 1px solid var(--border);
      background: var(--white);
      border-radius: var(--radius);
      transition: 0.25s ease;
    }

    .part-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow);
    }

    .part-image {
      height: 205px;
      overflow: hidden;
      background: #edf2f7;
    }

    .part-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: 0.35s ease;
    }

    .part-card:hover .part-image img {
      transform: scale(1.08);
    }

    .part-details {
      padding: 18px;
    }

    .part-tag {
      display: inline-block;
      color: var(--primary);
      background: #eaf4ff;
      padding: 4px 9px;
      border-radius: 15px;
      font-size: 11px;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .part-details h3 {
      margin-bottom: 8px;
      font-size: 18px;
    }

    .part-details p {
      color: var(--text);
      font-size: 14px;
      min-height: 44px;
    }

    .part-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 10px;
      margin-top: 17px;
      border-top: 1px solid var(--border);
      padding-top: 14px;
    }

    .part-price {
      color: var(--primary);
      font-weight: 800;
      font-size: 16px;
    }

    .link-btn {
      border: none;
      background: transparent;
      color: var(--primary);
      cursor: pointer;
      font-size: 13px;
      font-weight: 800;
    }

    /* Services */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      border-radius: var(--radius);
      background: var(--white);
      padding: 28px;
      border: 1px solid var(--border);
      position: relative;
      overflow: hidden;
    }

    .service-card::after {
      content: "";
      position: absolute;
      width: 120px;
      height: 120px;
      border-radius: 50%;
      background: #eaf4ff;
      right: -42px;
      top: -42px;
    }

    .service-number {
      position: relative;
      z-index: 1;
      font-size: 13px;
      font-weight: 800;
      color: var(--primary);
    }

    .service-card h3 {
      position: relative;
      z-index: 1;
      margin: 12px 0 9px;
      font-size: 19px;
    }

    .service-card p {
      position: relative;
      z-index: 1;
      color: var(--text);
      font-size: 14px;
    }

    .service-card button {
      position: relative;
      z-index: 1;
      margin-top: 18px;
    }

    /* Why us */
    .why-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .why-image {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .why-image img {
      height: 430px;
      width: 100%;
      object-fit: cover;
    }

    .why-content h2 {
      font-size: clamp(28px, 4vw, 40px);
      margin: 10px 0 15px;
    }

    .why-content > p {
      color: var(--text);
      margin-bottom: 25px;
    }

    .check-list {
      list-style: none;
      display: grid;
      gap: 14px;
    }

    .check-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      color: var(--dark);
      font-weight: 600;
      font-size: 15px;
    }

    .check {
      color: var(--success);
      font-size: 18px;
      line-height: 1;
    }

    /* Inquiry */
    .inquiry-wrap {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 35px;
      background: var(--dark);
      border-radius: var(--radius);
      overflow: hidden;
    }

    .inquiry-info {
      padding: 42px;
      color: var(--white);
      background:
        linear-gradient(rgba(12, 93, 165, 0.92), rgba(7, 60, 108, 0.95)),
        url("https://images.unsplash.com/photo-1581578731548-c64695cc6952?auto=format&fit=crop&w=800&q=80")
        center/cover;
    }

    .inquiry-info h2 {
      font-size: 32px;
      line-height: 1.2;
      margin-bottom: 14px;
    }

    .inquiry-info p {
      color: #e7f0fb;
      margin-bottom: 28px;
    }

    .contact-line {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 16px 0;
      color: #fff;
    }

    .contact-circle {
      width: 38px;
      height: 38px;
      flex-shrink: 0;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: rgba(255,255,255,0.18);
    }

    .inquiry-form {
      padding: 40px;
      background: var(--white);
    }

    .inquiry-form h3 {
      font-size: 25px;
      margin-bottom: 18px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .form-group {
      margin-bottom: 14px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 12px;
      border: 1px solid #ccd7e5;
      border-radius: 7px;
      font-family: inherit;
      outline: none;
      font-size: 14px;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(12, 93, 165, 0.1);
    }

    .form-group textarea {
      resize: vertical;
      min-height: 100px;
    }

    /* Footer */
    footer {
      background: #0c1727;
      color: #d4dde8;
      padding: 48px 0 20px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
      gap: 30px;
      padding-bottom: 35px;
    }

    .footer-title {
      color: var(--white);
      font-size: 16px;
      margin-bottom: 16px;
    }

    .footer-text,
    .footer-links a {
      color: #aebdcd;
      font-size: 14px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

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

    .footer-bottom {
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,0.12);
      font-size: 13px;
      text-align: center;
      color: #aebdcd;
    }

    /* Floating WhatsApp */
    .whatsapp-float {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 150;
      width: 58px;
      height: 58px;
      display: grid;
      place-items: center;
      background: #25d366;
      color: var(--white);
      border-radius: 50%;
      font-size: 28px;
      box-shadow: 0 8px 22px rgba(0,0,0,0.25);
      transition: 0.25s ease;
    }

    .whatsapp-float:hover {
      transform: scale(1.1);
    }

    /* Modal */
    .modal {
      position: fixed;
      inset: 0;
      background: rgba(8, 21, 38, 0.7);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 200;
      padding: 18px;
    }

    .modal.active {
      display: flex;
    }

    .modal-box {
      position: relative;
      width: min(560px, 100%);
      max-height: 92vh;
      overflow-y: auto;
      padding: 30px;
      background: var(--white);
      border-radius: 14px;
    }

    .modal-box h2 {
      margin-bottom: 6px;
    }

    .modal-box p {
      color: var(--text);
      font-size: 14px;
      margin-bottom: 18px;
    }

    .close-modal {
      position: absolute;
      top: 12px;
      right: 15px;
      background: transparent;
      border: none;
      cursor: pointer;
      font-size: 26px;
      color: var(--dark);
    }

    .form-success {
      display: none;
      padding: 12px;
      margin-top: 15px;
      border-radius: 7px;
      color: #075d2c;
      background: #d8f5e3;
      font-size: 14px;
      font-weight: 700;
    }

    /* Responsive */
    @media (max-width: 950px) {
      .category-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .parts-grid,
      .service-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .why-wrap,
      .inquiry-wrap {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 720px) {
      .topbar-content {
        justify-content: center;
        text-align: center;
      }

      .mobile-menu {
        display: block;
      }

      .nav-links {
        display: none;
        position: absolute;
        left: 0;
        top: 76px;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 10px 5%;
        background: var(--white);
        box-shadow: 0 8px 12px rgba(0,0,0,0.08);
      }

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

      .nav-links a {
        width: 100%;
        padding: 13px 0;
        border-bottom: 1px solid var(--border);
      }

      .hero {
        min-height: 560px;
      }

      .section {
        padding: 58px 0;
      }

      .parts-grid,
      .service-grid {
        grid-template-columns: 1fr;
      }

      .form-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .inquiry-info,
      .inquiry-form {
        padding: 28px 22px;
      }

      .why-image img {
        height: 310px;
      }
    }

    -----------------------------------