/* ===== RESET & BASE ===== */
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
      color: #333;
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }
    img { max-width: 100%; display: block; }

    /* ===== CSS VARIABLES ===== */
    :root {
      --primary: #1a3a8f;
      --primary-light: #2563eb;
      --primary-dark: #0f2460;
      --accent: #3b82f6;
      --text: #333;
      --text-light: #666;
      --bg: #fff;
      --bg-light: #f8f9fc;
      --bg-dark: #0f172a;
      --border: #e2e8f0;
      --shadow: 0 4px 20px rgba(0,0,0,0.08);
      --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
      --radius: 12px;
      --transition: 0.3s ease;
    }

    /* ===== NAVBAR ===== */
    .navbar {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      background: rgba(255,255,255,0.97);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      padding: 0 60px;
      height: 72px;
      display: flex; align-items: center; justify-content: space-between;
      transition: var(--transition);
    }
    .navbar.scrolled { box-shadow: var(--shadow); }
    .nav-logo {
      font-size: 1.5rem; font-weight: 800;
      color: var(--primary);
      letter-spacing: 2px;
    }
    .nav-links { display: flex; align-items: center; gap: 32px; }
    .nav-links a {
      font-size: 0.85rem; font-weight: 600;
      color: var(--text);
      text-transform: uppercase;
      letter-spacing: 1px;
      transition: var(--transition);
    }
    .nav-links a:hover { color: var(--primary); }
    .nav-contact-btn {
      padding: 10px 24px;
      border: 2px solid var(--primary);
      border-radius: 6px;
      font-weight: 600;
      font-size: 0.85rem;
      color: var(--primary) !important;
      transition: var(--transition);
    }
    .nav-contact-btn:hover {
      background: var(--primary);
      color: #fff !important;
    }
    .nav-toggle { display: none; cursor: pointer; font-size: 1.5rem; }

    /* ===== HERO ===== */
    .hero {
      position: relative;
      min-height: 100vh;
      display: flex; align-items: center;
      padding: 120px 60px 80px;
      overflow: hidden;
    }
    .hero-bg {
      position: absolute; inset: 0;
      background: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?w=1600&h=900&fit=crop') center/cover no-repeat;
      filter: brightness(0.35);
    }
    .hero-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(135deg, rgba(26,58,143,0.7) 0%, rgba(15,36,96,0.5) 100%);
    }
    .hero-content {
      position: relative; z-index: 2;
      max-width: 650px;
    }
    .hero-content h1 {
      font-size: 3.5rem;
      font-weight: 800;
      color: #fff;
      line-height: 1.15;
      margin-bottom: 20px;
    }
    .hero-content p {
      font-size: 1.15rem;
      color: rgba(255,255,255,0.85);
      margin-bottom: 36px;
      line-height: 1.7;
    }
    .btn-primary {
      display: inline-block;
      padding: 14px 36px;
      background: var(--primary-light);
      color: #fff;
      font-weight: 600;
      font-size: 1rem;
      border-radius: 8px;
      border: none;
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-primary:hover {
      background: var(--primary);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(37,99,235,0.4);
    }
    .btn-outline {
      display: inline-block;
      padding: 14px 36px;
      background: transparent;
      color: var(--primary);
      font-weight: 600;
      font-size: 1rem;
      border-radius: 8px;
      border: 2px solid var(--primary);
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-outline:hover {
      background: var(--primary);
      color: #fff;
    }

    /* ===== FEATURES ===== */
    .features {
      padding: 80px 60px;
      background: var(--bg);
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .feature-card {
      text-align: center;
      padding: 40px 30px;
      border-radius: var(--radius);
      transition: var(--transition);
    }
    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }
    .feature-icon {
      width: 72px; height: 72px;
      margin: 0 auto 24px;
      background: var(--bg-light);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
    }
    .feature-icon svg { width: 32px; height: 32px; fill: var(--primary); }
    .feature-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text);
    }
    .feature-card p {
      font-size: 0.95rem;
      color: var(--text-light);
      line-height: 1.7;
    }

    /* ===== SECTION COMMON ===== */
    .section { padding: 100px 60px; }
    .section-label {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 3px;
      color: var(--primary-light);
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--text);
      line-height: 1.2;
      margin-bottom: 20px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-light);
      max-width: 600px;
      line-height: 1.8;
    }

    /* ===== ABOUT ===== */
    .about { background: var(--bg); }
    .about-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      max-width: 1200px;
      margin: 0 auto;
      align-items: center;
    }
    .about-image {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
    }
    .about-image img {
      width: 100%; height: 420px;
      object-fit: cover;
      border-radius: var(--radius);
    }
    .about-badge {
      position: absolute;
      bottom: 24px; left: 24px;
      background: var(--primary);
      color: #fff;
      padding: 16px 24px;
      border-radius: var(--radius);
      display: flex; align-items: center; gap: 14px;
    }
    .about-badge .badge-number {
      font-size: 2.5rem;
      font-weight: 800;
      line-height: 1;
    }
    .about-badge .badge-text {
      font-size: 0.85rem;
      font-weight: 600;
      line-height: 1.3;
    }
    .about-text .section-desc { margin-bottom: 28px; }

    /* ===== SERVICES ===== */
    .services { background: var(--bg-light); }
    .services-header { text-align: center; margin-bottom: 60px; }
    .services-header .section-desc { margin: 0 auto; }
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .service-card {
      background: var(--bg);
      border-radius: var(--radius);
      padding: 36px 28px;
      transition: var(--transition);
      border: 1px solid var(--border);
    }
    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-light);
    }
    .service-icon {
      width: 56px; height: 56px;
      background: var(--bg-light);
      border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 20px;
    }
    .service-icon svg { width: 28px; height: 28px; fill: var(--primary); }
    .service-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .service-card p {
      font-size: 0.9rem;
      color: var(--text-light);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .service-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex; align-items: center; gap: 6px;
      transition: var(--transition);
    }
    .service-link:hover { gap: 10px; }

    /* ===== WHY CHOOSE US ===== */
    .why-us { background: var(--bg); }
    .why-us-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      max-width: 1200px;
      margin: 0 auto;
      align-items: center;
    }
    .why-us-image {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
    }
    .why-us-image img {
      width: 100%; height: 480px;
      object-fit: cover;
      border-radius: var(--radius);
    }
    .why-us-features { display: flex; flex-direction: column; gap: 28px; margin-top: 32px; }
    .why-feature {
      display: flex; gap: 16px; align-items: flex-start;
    }
    .why-feature-icon {
      width: 48px; height: 48px; min-width: 48px;
      background: var(--bg-light);
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
    }
    .why-feature-icon svg { width: 24px; height: 24px; fill: var(--primary); }
    .why-feature h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .why-feature p {
      font-size: 0.9rem;
      color: var(--text-light);
      line-height: 1.6;
    }

    /* ===== PROJECTS ===== */
    .projects { background: var(--bg-light); }
    .projects-header { text-align: center; margin-bottom: 50px; }
    .projects-header .section-desc { margin: 0 auto; }
    .projects-inner {
      display: grid;
      grid-template-columns: 300px 1fr 1fr;
      gap: 0;
      max-width: 1200px;
      margin: 0 auto;
      background: var(--bg);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .project-tabs {
      background: var(--primary);
      padding: 32px 0;
      display: flex; flex-direction: column;
    }
    .project-tab {
      padding: 18px 32px;
      color: rgba(255,255,255,0.7);
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      transition: var(--transition);
      border-left: 3px solid transparent;
    }
    .project-tab:hover, .project-tab.active {
      color: #fff;
      background: rgba(255,255,255,0.1);
      border-left-color: #fff;
    }
    .project-image {
      position: relative;
    }
    .project-image img {
      width: 100%; height: 100%; min-height: 400px;
      object-fit: cover;
    }
    .project-info {
      padding: 48px 40px;
      display: flex; flex-direction: column; justify-content: center;
    }
    .project-info h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .project-info p {
      font-size: 0.95rem;
      color: var(--text-light);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .project-checks {
      display: flex; flex-direction: column; gap: 10px;
      margin-bottom: 28px;
    }
    .project-checks li {
      font-size: 0.9rem;
      color: var(--text);
      display: flex; align-items: center; gap: 8px;
    }
    .project-checks li::before {
      content: '✓';
      color: var(--primary);
      font-weight: 700;
    }

    /* ===== TEAM ===== */
    .team { background: var(--bg); }
    .team-header { text-align: center; margin-bottom: 60px; }
    .team-header .section-desc { margin: 0 auto; }
    .team-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .team-card {
      text-align: center;
      transition: var(--transition);
    }
    .team-card:hover { transform: translateY(-6px); }
    .team-photo {
      width: 100%;
      height: 280px;
      object-fit: cover;
      border-radius: var(--radius);
      margin-bottom: 16px;
    }
    .team-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .team-card p {
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* ===== TESTIMONIALS ===== */
    .testimonials { background: var(--bg-light); }
    .testimonials-header { text-align: center; margin-bottom: 50px; }
    .testimonials-header .section-desc { margin: 0 auto; }
    .testimonial-card {
      max-width: 800px;
      margin: 0 auto;
      text-align: center;
      padding: 40px;
    }
    .testimonial-quote {
      font-size: 1.15rem;
      color: var(--text);
      line-height: 1.8;
      font-style: italic;
      margin-bottom: 28px;
    }
    .testimonial-author {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--primary);
    }
    .testimonial-role {
      font-size: 0.9rem;
      color: var(--text-light);
    }

    /* ===== APPOINTMENT ===== */
    .appointment { background: var(--bg); }
    .appointment-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .appointment-info .section-desc { margin-bottom: 32px; }
    .contact-item {
      display: flex; align-items: center; gap: 14px;
      margin-bottom: 16px;
    }
    .contact-item-icon {
      width: 44px; height: 44px;
      background: var(--bg-light);
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
    }
    .contact-item-icon svg { width: 20px; height: 20px; fill: var(--primary); }
    .contact-item-text {
      font-size: 0.95rem;
      color: var(--text);
    }
    .appointment-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .form-group { display: flex; flex-direction: column; }
    .form-group.full { grid-column: 1 / -1; }
    .form-group input, .form-group select, .form-group textarea {
      padding: 14px 16px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 0.95rem;
      font-family: inherit;
      transition: var(--transition);
      background: var(--bg);
    }
    .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
      outline: none;
      border-color: var(--primary-light);
      box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
    }
    .form-group textarea { resize: vertical; min-height: 120px; }
    .btn-submit {
      grid-column: 1 / -1;
      padding: 16px;
      background: var(--primary);
      color: #fff;
      font-weight: 600;
      font-size: 1rem;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-submit:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

    /* ===== FOOTER ===== */
    .footer {
      background: var(--bg-dark);
      color: rgba(255,255,255,0.8);
      padding: 80px 60px 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      max-width: 1200px;
      margin: 0 auto;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .footer h4 {
      color: #fff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer p {
      font-size: 0.9rem;
      line-height: 1.7;
      color: rgba(255,255,255,0.6);
    }
    .footer ul li {
      margin-bottom: 10px;
    }
    .footer ul li a {
      font-size: 0.9rem;
      color: rgba(255,255,255,0.6);
      transition: var(--transition);
    }
    .footer ul li a:hover { color: #fff; }
    .footer-contact-item {
      display: flex; align-items: flex-start; gap: 10px;
      margin-bottom: 14px;
      font-size: 0.9rem;
      color: rgba(255,255,255,0.6);
    }
    .footer-contact-item svg {
      width: 18px; height: 18px; min-width: 18px;
      fill: var(--accent);
      margin-top: 2px;
    }
    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: rgba(255,255,255,0.4);
    }

    /* ===== ANIMATIONS ===== */
    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 1024px) {
      .navbar { padding: 0 30px; }
      .hero { padding: 120px 30px 80px; }
      .hero-content h1 { font-size: 2.8rem; }
      .section { padding: 80px 30px; }
      .features-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .team-grid { grid-template-columns: repeat(2, 1fr); }
      .projects-inner { grid-template-columns: 1fr; }
      .project-tabs { flex-direction: row; padding: 0; overflow-x: auto; }
      .project-tab { border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; }
      .project-tab.active { border-left-color: transparent; border-bottom-color: #fff; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-toggle { display: block; }
      .nav-links.open {
        display: flex; flex-direction: column;
        position: absolute; top: 72px; left: 0; right: 0;
        background: #fff; padding: 20px 30px;
        box-shadow: var(--shadow);
        gap: 16px;
      }
      .hero-content h1 { font-size: 2.2rem; }
      .section-title { font-size: 2rem; }
      .about-inner, .why-us-inner, .appointment-inner {
        grid-template-columns: 1fr;
      }
      .features-grid, .services-grid { grid-template-columns: 1fr; }
      .team-grid { grid-template-columns: repeat(2, 1fr); }
      .appointment-form { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    }