:root {
    --blue: #1A5DAB;
    --orange: #F7941D;
    --dark: #0d1b2e;
    --light-blue: #e8f1fc;
    --gray: #f5f7fa;
    --text: #2c3e50;
    --white: #ffffff;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  body { font-family: 'Segoe UI', sans-serif; color: var(--text); background: #fff; }

  /* NAV */
  nav {
    background: var(--dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0,0,0,0.35);
  }
  .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px;
  }
  .nav-logo img { height: 60px; }
  .nav-links { display: flex; gap: 6px; list-style: none; }
  .nav-links a {
    color: #cdd8e8;
    text-decoration: none;
    padding: 9px 16px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    transition: all .2s;
  }
  .nav-links a:hover, .nav-links a.active {
    background: var(--blue);
    color: #fff;
  }

  /* PAGES */
  .page { display: none; }
  .page.active { display: block; }

  /* HERO */
  .hero {
    background: linear-gradient(135deg, var(--dark) 0%, #1a3a6b 60%, #0f4a8a 100%);
    color: #fff;
    padding: 90px 24px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  }
  .hero-content { position: relative; max-width: 780px; margin: 0 auto; }
  .hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.15; margin-bottom: 18px; }
  .hero h1 span { color: var(--orange); }
  .hero p { font-size: 1.15rem; color: #b8cfea; margin-bottom: 34px; line-height: 1.7; }
  .btn-primary {
    background: var(--orange);
    color: #fff;
    padding: 14px 34px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all .2s;
    box-shadow: 0 4px 20px rgba(247,148,29,0.4);
  }
  .btn-primary:hover { background: #d97c0a; transform: translateY(-2px); }
  .btn-outline {
    border: 2px solid var(--blue);
    color: var(--blue);
    padding: 12px 28px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    background: transparent;
    transition: all .2s;
    text-decoration: none;
    display: inline-block;
  }
  .btn-outline:hover { background: var(--blue); color: #fff; }

  /* SECTIONS */
  section { padding: 72px 24px; }
  .container { max-width: 1100px; margin: 0 auto; }
  .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
  }
  .section-title span { color: var(--orange); }
  .section-sub {
    text-align: center;
    color: #7a90a8;
    font-size: 1.05rem;
    margin-bottom: 48px;
  }

  /* HOME - STATS */
  .stats { background: var(--blue); padding: 52px 24px; }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
  }
  .stat-item h3 { font-size: 2.6rem; font-weight: 800; color: var(--orange); }
  .stat-item p { color: #cce0f8; font-size: 0.95rem; margin-top: 4px; }

  /* HOME - SERVICES OVERVIEW */
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .service-card {
    background: #fff;
    border-radius: 14px;
    padding: 34px 28px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0,0,0,0.07);
    border-top: 4px solid var(--orange);
    transition: transform .2s;
  }
  .service-card:hover { transform: translateY(-5px); }
  .service-icon {
    width: 68px; height: 68px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 30px;
  }
  .service-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
  .service-card p { color: #7a90a8; font-size: 0.95rem; line-height: 1.6; }

  /* WHY US */
  .why-bg { background: var(--gray); }
  .why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .why-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    background: #fff;
    border-radius: 12px;
    padding: 26px 22px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  }
  .why-icon {
    width: 52px; height: 52px;
    background: var(--blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
  }
  .why-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
  .why-item p { font-size: 0.93rem; color: #6b82a0; line-height: 1.6; }

  /* ABOUT */
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }
  .about-text h2 { font-size: 2rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
  .about-text h2 span { color: var(--orange); }
  .about-text p { color: #5a7090; line-height: 1.8; margin-bottom: 16px; }
  .about-visual {
    background: linear-gradient(135deg, var(--blue), #0a3d7a);
    border-radius: 18px;
    padding: 48px 36px;
    color: #fff;
    text-align: center;
  }
  .about-visual h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 20px; }
  .about-visual p { color: #b8cfea; line-height: 1.7; }
  .team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .team-card {
    background: #fff;
    border-radius: 14px;
    padding: 28px 20px;
    text-align: center;
    box-shadow: 0 4px 18px rgba(0,0,0,0.07);
  }
  .team-avatar {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, var(--blue), var(--orange));
    border-radius: 50%;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
    font-weight: 700;
  }
  .team-card h4 { font-size: 1rem; font-weight: 700; color: var(--dark); }
  .team-card p { font-size: 0.87rem; color: var(--orange); margin-top: 4px; }

  .values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .value-card {
    background: linear-gradient(135deg, var(--dark), #1a3a6b);
    color: #fff;
    border-radius: 14px;
    padding: 28px 20px;
    text-align: center;
  }
  .value-card .emoji { font-size: 36px; margin-bottom: 14px; }
  .value-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
  .value-card p { font-size: 0.88rem; color: #8aaed8; line-height: 1.5; }

  /* PRODUCTS & SERVICES PAGE */
  .tab-nav {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
  }
  .tab-btn {
    padding: 11px 26px;
    border-radius: 30px;
    border: 2px solid var(--blue);
    background: transparent;
    color: var(--blue);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
  }
  .tab-btn.active, .tab-btn:hover {
    background: var(--blue);
    color: #fff;
  }
  .tab-content { display: none; }
  .tab-content.active { display: block; }

  /* PC HARDWARE GRID */
  .product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .product-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px 24px;
    box-shadow: 0 4px 22px rgba(0,0,0,0.08);
    border: 1px solid #e8eef6;
    transition: all .2s;
    position: relative;
    overflow: hidden;
  }
  .product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--orange));
  }
  .product-card:hover { transform: translateY(-4px); box-shadow: 0 10px 36px rgba(0,0,0,0.13); }
  .product-emoji { font-size: 42px; margin-bottom: 14px; }
  .product-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
  .product-card p { font-size: 0.93rem; color: #6b82a0; line-height: 1.6; }
  .badge {
    display: inline-block;
    background: var(--light-blue);
    color: var(--blue);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    margin-top: 14px;
  }

  /* IT SERVICES */
  .it-service-card {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: #fff;
    border-radius: 14px;
    padding: 30px 26px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.07);
    margin-bottom: 20px;
    border-left: 5px solid var(--orange);
    transition: transform .2s;
  }
  .it-service-card:hover { transform: translateX(4px); }
  .it-service-icon {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, var(--blue), #2a80e0);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
  }
  .it-service-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
  .it-service-card p { font-size: 0.95rem; color: #6b82a0; line-height: 1.6; }

  /* CONTACT */
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    align-items: start;
  }
  .contact-info h3 { font-size: 1.5rem; font-weight: 700; color: var(--dark); margin-bottom: 24px; }
  .contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 22px;
  }
  .contact-item-icon {
    width: 48px; height: 48px;
    background: var(--blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
  }
  .contact-item h4 { font-size: 0.93rem; font-weight: 600; color: var(--dark); margin-bottom: 3px; }
  .contact-item p { font-size: 0.93rem; color: #6b82a0; }
  .contact-form {
    background: #fff;
    border-radius: 18px;
    padding: 38px 34px;
    box-shadow: 0 6px 32px rgba(0,0,0,0.09);
  }
  .contact-form h3 { font-size: 1.4rem; font-weight: 700; color: var(--dark); margin-bottom: 24px; }
  .form-group { margin-bottom: 18px; }
  .form-group label { display: block; font-size: 0.92rem; font-weight: 600; color: var(--dark); margin-bottom: 7px; }
  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #dde5f0;
    border-radius: 10px;
    font-size: 0.95rem;
    color: var(--text);
    outline: none;
    transition: border .2s;
    font-family: inherit;
    background: #fafbfd;
  }
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus { border-color: var(--blue); background: #fff; }
  .form-group textarea { resize: vertical; min-height: 110px; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .submit-btn {
    width: 100%;
    background: var(--blue);
    color: #fff;
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
  }
  .submit-btn:hover { background: #154e92; }
  .success-msg {
    display: none;
    background: #e8f8ed;
    color: #2a7d47;
    border: 1.5px solid #a3d9b4;
    border-radius: 10px;
    padding: 14px 18px;
    margin-top: 16px;
    font-weight: 600;
    text-align: center;
  }

  /* MAP PLACEHOLDER */
  .map-placeholder {
    background: linear-gradient(135deg, var(--dark), #1a3a6b);
    border-radius: 14px;
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #fff;
    margin-top: 28px;
    gap: 10px;
  }
  .map-placeholder span { font-size: 42px; }
  .map-placeholder p { font-size: 1rem; color: #8aaed8; }

  /* FOOTER */
  footer {
    background: var(--dark);
    color: #8aaed8;
    padding: 52px 24px 28px;
  }
  .footer-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 36px;
  }
  .footer-brand img { height: 56px; margin-bottom: 16px; }
  .footer-brand p { font-size: 0.92rem; line-height: 1.7; }
  .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
  .footer-col a {
    display: block;
    color: #7a90a8;
    text-decoration: none;
    font-size: 0.93rem;
    margin-bottom: 9px;
    transition: color .2s;
    cursor: pointer;
  }
  .footer-col a:hover { color: var(--orange); }
  .footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    border-top: 1px solid #1e3654;
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.88rem;
  }
  .footer-bottom span { color: var(--orange); }

  /* CTA BANNER */
  .cta-banner {
    background: linear-gradient(135deg, var(--orange), #e0720a);
    color: #fff;
    text-align: center;
    padding: 60px 24px;
  }
  .cta-banner h2 { font-size: 2rem; font-weight: 800; margin-bottom: 14px; }
  .cta-banner p { font-size: 1.05rem; margin-bottom: 30px; opacity: 0.9; }
  .btn-white {
    background: #fff;
    color: var(--orange);
    padding: 14px 34px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all .2s;
  }
  .btn-white:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(0,0,0,0.2); }

  @media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .services-grid, .why-grid, .about-grid, .team-grid, .values-grid, .product-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .nav-links { gap: 2px; }
    .nav-links a { padding: 8px 10px; font-size: 13px; }
  }