/* ===== Reset & Base ===== */
 *,
 *::before,
 *::after {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
 }

 html {
     scroll-behavior: smooth;
 }

 body {
     font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
     color: #1a1a2e;
     background: #f8f9fc;
     line-height: 1.7;
 }

 a {
     text-decoration: none;
     color: inherit;
 }

 ul {
     list-style: none;
 }

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

 .container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 24px;
 }

 /* ===== Typography ===== */
 .section-title {
     text-align: center;
     font-size: 2rem;
     font-weight: 700;
     margin-bottom: 0.5rem;
     color: #0a1628;
 }

 .section-subtitle {
     text-align: center;
     color: #6b7280;
     font-size: 1rem;
     margin-bottom: 3rem;
     letter-spacing: 2px;
 }

 .section {
     padding: 80px 0;
 }

 /* ===== Navbar ===== */
 .navbar {
     position: fixed;
     top: 0;
     left: 0;
     right: 0;
     background: rgba(255, 255, 255, 0.95);
     backdrop-filter: blur(12px);
     border-bottom: 1px solid rgba(0, 0, 0, 0.05);
     z-index: 1000;
     height: 64px;
     display: flex;
     align-items: center;
     transition: box-shadow 0.3s;
 }

 .navbar.scrolled {
     box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
 }

 .navbar .container {
     display: flex;
     align-items: center;
     justify-content: space-between;
     width: 100%;
 }

 .navbar .logo {
     font-size: 1.25rem;
     font-weight: 800;
     color: #0a1628;
     display: flex;
     align-items: center;
     gap: 10px;
 }

 .navbar .logo-icon {
     width: 46px;
     height: 36px;
     background: linear-gradient(135deg, #2563eb, #1d4ed8);
     border-radius: 8px;
     display: flex;
     align-items: center;
     justify-content: center;
     color: #fff;
     font-size: 1.1rem;
     font-weight: 700;
 }

 .nav-links {
     display: flex;
     gap: 28px;
 }

 .nav-links a {
     font-size: 0.9rem;
     font-weight: 500;
     color: #374151;
     transition: color 0.2s;
     position: relative;
 }

 .nav-links a:hover,
 .nav-links a.active {
     color: #2563eb;
 }

 .nav-links a::after {
     content: '';
     position: absolute;
     bottom: -4px;
     left: 0;
     right: 0;
     height: 2px;
     background: #2563eb;
     transform: scaleX(0);
     transition: transform 0.2s;
 }

 .nav-links a:hover::after,
 .nav-links a.active::after {
     transform: scaleX(1);
 }

 .hamburger {
     display: none;
     flex-direction: column;
     gap: 5px;
     cursor: pointer;
     background: none;
     border: none;
     padding: 4px;
 }

 .hamburger span {
     width: 24px;
     height: 2px;
     background: #1a1a2e;
     border-radius: 2px;
     transition: 0.3s;
 }

 /* ===== Hero ===== */
 .hero {
     min-height: 100vh;
     display: flex;
     align-items: center;
     background: linear-gradient(135deg, #0a1628 0%, #162b4a 50%, #1a365d 100%);
     position: relative;
     overflow: hidden;
     padding-top: 64px;
 }

 .hero::before {
     content: '';
     position: absolute;
     inset: 0;
     background:
         radial-gradient(ellipse 600px 400px at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 70%),
         radial-gradient(ellipse 500px 500px at 80% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
 }

 .hero-grid {
     position: absolute;
     inset: 0;
     background-image:
         linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
         linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
     background-size: 60px 60px;
 }

 .hero .container {
     position: relative;
     z-index: 2;
     width: 100%;
 }

 .hero-content {
     max-width: 700px;
 }

 .hero-tag {
     display: inline-block;
     background: rgba(37, 99, 235, 0.2);
     border: 1px solid rgba(37, 99, 235, 0.3);
     color: #93c5fd;
     font-size: 0.85rem;
     padding: 6px 18px;
     border-radius: 20px;
     margin-bottom: 24px;
     letter-spacing: 1px;
 }

 .hero h1 {
     font-size: 3.2rem;
     font-weight: 800;
     color: #fff;
     line-height: 1.2;
     margin-bottom: 8px;
 }

 .hero h1 span {
     color: #60a5fa;
 }

 .hero .slogan {
     font-size: 1.4rem;
     color: #93c5fd;
     font-weight: 500;
     margin-bottom: 20px;
 }

 .hero p {
     font-size: 1.05rem;
     color: rgba(255, 255, 255, 0.7);
     margin-bottom: 36px;
     max-width: 580px;
 }

 .hero-btns {
     display: flex;
     gap: 16px;
     flex-wrap: wrap;
 }

 .btn-primary {
     display: inline-block;
     padding: 14px 36px;
     background: linear-gradient(135deg, #2563eb, #1d4ed8);
     color: #fff;
     border-radius: 8px;
     font-weight: 600;
     font-size: 0.95rem;
     transition: transform 0.2s, box-shadow 0.2s;
     box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
 }

 .btn-primary:hover {
     transform: translateY(-2px);
     box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
 }

 .btn-outline {
     display: inline-block;
     padding: 14px 36px;
     border: 2px solid rgba(255, 255, 255, 0.3);
     color: #fff;
     border-radius: 8px;
     font-weight: 600;
     font-size: 0.95rem;
     transition: all 0.2s;
 }

 .btn-outline:hover {
     border-color: #60a5fa;
     color: #60a5fa;
 }

 /* drone decorative */
 .hero-drone {
     position: absolute;
     right: 5%;
     top: 50%;
     transform: translateY(-50%);
     width: 380px;
     height: 380px;
     background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
     border-radius: 50%;
 }

 .hero-drone::before {
     content: '✈';
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     font-size: 8rem;
     color: rgba(96, 165, 250, 0.12);
 }

 .hero-drone-dot {
     position: absolute;
     width: 6px;
     height: 6px;
     background: rgba(96, 165, 250, 0.3);
     border-radius: 50%;
     animation: float 6s ease-in-out infinite;
 }

 .hero-drone-dot:nth-child(1) {
     top: 20%;
     left: 30%;
     animation-delay: 0s;
 }

 .hero-drone-dot:nth-child(2) {
     top: 60%;
     right: 20%;
     animation-delay: 2s;
 }

 .hero-drone-dot:nth-child(3) {
     bottom: 25%;
     left: 20%;
     animation-delay: 4s;
 }

 @keyframes float {

     0%,
     100% {
         transform: translateY(0);
         opacity: 0.3;
     }

     50% {
         transform: translateY(-20px);
         opacity: 0.8;
     }
 }

 /* ===== Section 01: About ===== */
 .about-section {
     position: relative;
     background: #f8f9fc;
 }

 .about-section::before {
     content: '';
     position: absolute;
     inset: 0;
     background:
         url('../img/Introduction-bg02.png') no-repeat left center / auto 100%,
         url('../img/Introduction-bg01.jpg') no-repeat right center / auto 100%;
     opacity: 0.25;
     pointer-events: none;
     z-index: 0;
 }

 .about-section .container {
     position: relative;
     z-index: 1;
 }

 .about-grid {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 60px;
     align-items: start;
 }

 .about-text h3 {
     font-size: 1.4rem;
     font-weight: 700;
     color: #0a1628;
     margin-bottom: 16px;
 }

 .about-text p {
     color: #4b5563;
     font-size: 0.98rem;
     margin-bottom: 16px;
 }

 .about-text .highlight {
     color: #2563eb;
     font-weight: 600;
 }

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

 .advantage-card {
     background: #fff;
     border-radius: 12px;
     padding: 20px;
     border: 1px solid #e5e7eb;
     transition: all 0.3s;
 }

 .advantage-card:hover {
     border-color: #2563eb;
     transform: translateY(-4px);
     box-shadow: 0 8px 24px rgba(37, 99, 235, 0.1);
 }

 .advantage-card .icon {
     width: 40px;
     height: 40px;
     border-radius: 10px;
     background: linear-gradient(135deg, #2563eb10, #1d4ed810);
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.2rem;
     margin-bottom: 12px;
     color: #2563eb;
 }

 .advantage-card h4 {
     font-size: 0.95rem;
     font-weight: 600;
     margin-bottom: 6px;
 }

 .advantage-card p {
     font-size: 0.85rem;
     color: #6b7280;
 }

 /* ===== Section 02: Team ===== */
 .team-grid {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
     gap: 24px;
 }

 .team-card {
     background: #fff;
     border-radius: 16px;
     overflow: hidden;
     border: 1px solid #e5e7eb;
     transition: all 0.3s;
 }

 .team-card:hover {
     transform: translateY(-6px);
     box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
 }

 .team-avatar {
     width: 100%;
     height: 360px;
     position: relative;
     overflow: hidden;
     background: linear-gradient(135deg, #1e3a5f, #0a1628);
 }

 .team-avatar img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     object-position: center top;
     transition: transform 0.5s ease;
 }

 .team-card:hover .team-avatar img {
     transform: scale(1.05);
 }

 .team-avatar .badge {
     position: absolute;
     top: 12px;
     right: 12px;
     background: rgba(37, 99, 235, 0.9);
     color: #fff;
     font-size: 0.7rem;
     padding: 4px 12px;
     border-radius: 12px;
     font-weight: 600;
     z-index: 2;
 }

 .team-info {
     padding: 20px;
 }

 .team-info h4 {
     font-size: 1.05rem;
     font-weight: 700;
 }

 .team-info .role {
     color: #2563eb;
     font-size: 0.85rem;
     font-weight: 500;
     margin-bottom: 10px;
 }

 .team-info p {
     font-size: 0.85rem;
     color: #6b7280;
     line-height: 1.6;
 }

 .team-highlights {
     display: grid;
     grid-template-columns: repeat(4, 1fr);
     gap: 16px;
     margin-top: 40px;
 }

 .team-highlight {
     text-align: center;
     padding: 20px;
     background: #fff;
     border-radius: 12px;
     border: 1px solid #e5e7eb;
 }

 .team-highlight .num {
     font-size: 1.8rem;
     font-weight: 800;
     color: #2563eb;
 }

 .team-highlight p {
     font-size: 0.85rem;
     color: #6b7280;
     margin-top: 4px;
 }

 /* ===== Section 03: Services ===== */
 .services-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 24px;
 }

 .service-card {
     background: #fff;
     border-radius: 16px;
     border: 1px solid #e5e7eb;
     transition: all 0.3s;
     display: flex;
     overflow: hidden;
 }

 .service-card:hover {
     transform: translateY(-4px);
     box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
 }

 .service-card-img {
     width: 40%;
     flex-shrink: 0;
     overflow: hidden;
     min-height: 220px;
 }

 .service-card-img img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     object-position: center;
     transition: transform 0.5s ease;
 }

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

 .service-card-body {
     flex: 1;
     padding: 28px;
     position: relative;
 }

 .service-card-body .num {
     font-size: 2.4rem;
     font-weight: 800;
     color: rgba(37, 99, 235, 0.08);
     position: absolute;
     top: 12px;
     right: 20px;
     line-height: 1;
 }

 .service-card-body .icon {
     width: 42px;
     height: 42px;
     border-radius: 10px;
     background: linear-gradient(135deg, #2563eb, #1d4ed8);
     display: flex;
     align-items: center;
     justify-content: center;
     color: #fff;
     font-size: 1.1rem;
     margin-bottom: 12px;
 }

 .service-card-body h3 {
     font-size: 1.1rem;
     font-weight: 700;
     margin-bottom: 8px;
 }

 .service-card-body .scope {
     font-size: 0.82rem;
     color: #6b7280;
     margin-bottom: 10px;
     line-height: 1.6;
 }

 .service-card-body .highlight-tag {
     display: inline-block;
     font-size: 0.78rem;
     color: #2563eb;
     background: rgba(37, 99, 235, 0.08);
     padding: 4px 12px;
     border-radius: 12px;
     font-weight: 500;
 }

 /* ===== Section 04: Cases ===== */
 .cases-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 24px;
 }

 .case-card {
     background: #fff;
     border-radius: 16px;
     overflow: hidden;
     border: 1px solid #e5e7eb;
     transition: all 0.3s;
     position: relative;
 }

 .case-card:hover {
     transform: translateY(-4px);
     box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
 }

 .case-card-bg {
     position: absolute;
     inset: 0;
     background-size: cover;
     background-position: center;
     transition: transform 0.5s ease;
 }

 .case-card:hover .case-card-bg {
     transform: scale(1.08);
 }

 .case-card-overlay {
     position: absolute;
     inset: 0;
     background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.95) 70%);
     z-index: 1;
 }

 .case-body {
     position: relative;
     z-index: 2;
     padding: 32px 24px 24px;
     margin-top: 200px;
 }

 .case-body h4 {
     font-size: 1rem;
     font-weight: 700;
     margin-bottom: 8px;
     color: #0a1628;
 }

 .case-body p {
     font-size: 0.85rem;
     color: #374151;
     line-height: 1.6;
 }

 /* ===== Section 05: Qualifications ===== */
 .qual-grid {
     display: grid;
     grid-template-columns: repeat(4, 1fr);
     gap: 20px;
     margin-bottom: 40px;
 }

 .qual-card {
     background: #fff;
     border-radius: 16px;
     padding: 20px;
     text-align: center;
     border: 1px solid #e5e7eb;
     transition: all 0.3s;
     display: flex;
     flex-direction: column;
     align-items: center;
 }

 .qual-card:hover {
     transform: translateY(-4px);
     box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
     border-color: #2563eb;
 }

 .qual-card img {
     width: 100%;
     max-width: 300px;
     height: 200px;
     object-fit: contain;
     margin-bottom: 12px;
     border-radius: 8px;
     cursor: zoom-in;
     transition: transform 0.3s;
 }

 .qual-card img:hover {
     transform: scale(1.03);
 }

 /* ===== Lightbox ===== */
 .lightbox {
     display: none;
     position: fixed;
     inset: 0;
     z-index: 9999;
     background: rgba(0, 0, 0, 0.85);
     backdrop-filter: blur(8px);
     justify-content: center;
     align-items: center;
     padding: 40px;
     cursor: zoom-out;
 }

 .lightbox.active {
     display: flex;
 }

 .lightbox img {
     max-width: 90vw;
     max-height: 90vh;
     object-fit: contain;
     border-radius: 12px;
     box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
     animation: lightboxIn 0.3s ease;
 }

 @keyframes lightboxIn {
     from {
         opacity: 0;
         transform: scale(0.9);
     }

     to {
         opacity: 1;
         transform: scale(1);
     }
 }

 .lightbox-close {
     position: fixed;
     top: 24px;
     right: 32px;
     color: #fff;
     font-size: 2.4rem;
     cursor: pointer;
     width: 48px;
     height: 48px;
     display: flex;
     align-items: center;
     justify-content: center;
     background: rgba(0, 0, 0, 0.4);
     border-radius: 50%;
     transition: background 0.2s;
     z-index: 10000;
     border: none;
 }

 .lightbox-close:hover {
     background: rgba(0, 0, 0, 0.7);
 }

 .qual-card h4 {
     font-size: 0.85rem;
     font-weight: 600;
     color: #374151;
     line-height: 1.4;
 }

 .qual-stats {
     display: grid;
     grid-template-columns: repeat(4, 1fr);
     gap: 16px;
 }

 .qual-stat {
     text-align: center;
     padding: 24px 16px;
     background: linear-gradient(135deg, #0a1628, #162b4a);
     border-radius: 12px;
     color: #fff;
 }

 .qual-stat .num {
     font-size: 1.6rem;
     font-weight: 800;
     color: #60a5fa;
 }

 .qual-stat p {
     font-size: 0.82rem;
     color: rgba(255, 255, 255, 0.7);
     margin-top: 4px;
 }

 /* ===== Section 06: Contact ===== */
 .contact-wrap {
     background: linear-gradient(135deg, #0a1628, #162b4a);
     border-radius: 20px;
     padding: 60px;
     color: #fff;
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 60px;
     margin-bottom: 24px;
 }

 .contact-info h3 {
     font-size: 1.6rem;
     font-weight: 700;
     margin-bottom: 12px;
 }

 .contact-info .sub {
     color: rgba(255, 255, 255, 0.6);
     margin-bottom: 32px;
     font-size: 0.95rem;
 }

 .contact-item {
     display: flex;
     gap: 14px;
     margin-bottom: 20px;
     align-items: flex-start;
 }

 .contact-item .ci-icon {
     width: 40px;
     height: 40px;
     border-radius: 10px;
     background: rgba(37, 99, 235, 0.2);
     flex-shrink: 0;
     display: flex;
     align-items: center;
     justify-content: center;
     color: #60a5fa;
     font-size: 1.1rem;
 }

 .contact-item h5 {
     font-size: 0.85rem;
     color: rgba(255, 255, 255, 0.5);
     margin-bottom: 2px;
 }

 .contact-item p {
     font-size: 0.95rem;
 }

 .contact-qr {
     display: flex;
     flex-direction: column;
     align-items: center;
     border-radius: 16px;
     padding: 28px;
     margin-top: 12px;
 }

 .contact-qr img {
     width: 260px;
     height: auto;
     border-radius: 8px;
     border: 2px solid rgba(255, 255, 255, 0.12);
 }

 .contact-qr-label {
     margin-top: 12px;
     font-size: 0.9rem;
     color: rgba(255, 255, 255, 0.6);
     letter-spacing: 2px;
 }

 .contact-vision {
     background: linear-gradient(135deg, #0a1628, #162b4a);
     border-radius: 20px;
     padding: 48px 60px;
     border: 1px solid rgba(255, 255, 255, 0.08);
     text-align: center;
     max-width: 100%;
 }

 .contact-vision h4 {
     font-size: 1.3rem;
     font-weight: 700;
     margin-bottom: 16px;
     color: #60a5fa;
     letter-spacing: 3px;
 }

 .contact-vision p {
     font-size: 1rem;
     color: rgba(255, 255, 255, 0.75);
     line-height: 2;
     max-width: 800px;
     margin: 0 auto;
 }

 .contact-vision .slogan-lg {
     font-size: 1.4rem;
     font-weight: 700;
     color: #93c5fd;
     margin-top: 24px;
     text-align: center;
     letter-spacing: 4px;
 }

 /* ===== Footer ===== */
 .footer {
     background: #0a1628;
     color: rgba(255, 255, 255, 0.5);
     text-align: center;
     padding: 24px;
     font-size: 0.85rem;
     border-top: 1px solid rgba(255, 255, 255, 0.05);
 }

 /* ===== Registration Modal ===== */
 .modal {
     display: none;
     position: fixed;
     inset: 0;
     z-index: 9998;
     justify-content: center;
     align-items: center;
 }

 .modal.active {
     display: flex;
 }

 .modal-overlay {
     position: absolute;
     inset: 0;
     background: rgba(0, 0, 0, 0.6);
     backdrop-filter: blur(6px);
 }

 .modal-body {
     position: relative;
     background: #fff;
     border-radius: 20px;
     padding: 40px 36px 32px;
     max-width: 440px;
     width: 90%;
     box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
     animation: modalIn 0.3s ease;
     z-index: 1;
 }

 @keyframes modalIn {
     from {
         opacity: 0;
         transform: scale(0.92) translateY(20px);
     }

     to {
         opacity: 1;
         transform: scale(1) translateY(0);
     }
 }

 .modal-body h3 {
     font-size: 1.5rem;
     font-weight: 700;
     color: #0a1628;
     text-align: center;
     margin-bottom: 4px;
 }

 .modal-sub {
     text-align: center;
     color: #6b7280;
     font-size: 0.88rem;
     margin-bottom: 24px;
 }

 .modal-close {
     position: absolute;
     top: 14px;
     right: 18px;
     background: none;
     border: none;
     font-size: 1.4rem;
     color: #9ca3af;
     cursor: pointer;
     padding: 4px 8px;
     border-radius: 6px;
     transition: all 0.2s;
 }

 .modal-close:hover {
     background: #f3f4f6;
     color: #374151;
 }

 .form-group {
     margin-bottom: 18px;
 }

 .form-group label {
     display: block;
     font-size: 0.85rem;
     font-weight: 600;
     color: #374151;
     margin-bottom: 6px;
 }

 .form-group input,
 .form-group select {
     width: 100%;
     padding: 12px 14px;
     border: 1px solid #d1d5db;
     border-radius: 8px;
     font-size: 0.92rem;
     color: #1a1a2e;
     background: #fff;
     transition: border-color 0.2s;
     outline: none;
 }

 .form-group input:focus,
 .form-group select:focus {
     border-color: #2563eb;
     box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
 }

 .form-group input::placeholder {
     color: #9ca3af;
 }

 /* ===== Toast Notification ===== */
 .toast {
     position: fixed;
     top: 24px;
     left: 50%;
     transform: translateX(-50%) translateY(-20px);
     z-index: 99999;
     padding: 14px 28px;
     border-radius: 12px;
     font-size: 0.95rem;
     font-weight: 500;
     color: #fff;
     box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
     opacity: 0;
     transition: opacity 0.35s ease, transform 0.35s ease;
     pointer-events: none;
     max-width: 90vw;
     text-align: center;
     line-height: 1.5;
     display: flex;
     align-items: center;
     gap: 10px;
 }

 .toast.show {
     opacity: 1;
     transform: translateX(-50%) translateY(0);
     pointer-events: auto;
 }

 .toast-success {
     background: linear-gradient(135deg, #059669, #10b981);
 }

 .toast-error {
     background: linear-gradient(135deg, #dc2626, #ef4444);
 }

 .toast-warning {
     background: linear-gradient(135deg, #d97706, #f59e0b);
 }

 .toast-icon {
     font-size: 1.3rem;
     flex-shrink: 0;
     line-height: 1;
 }

 /* ===== Scroll Animation ===== */
 .reveal {
     opacity: 0;
     transform: translateY(30px);
     transition: opacity 0.6s ease, transform 0.6s ease;
 }

 .reveal.show {
     opacity: 1;
     transform: translateY(0);
 }

 /* ===== Responsive ===== */
 @media (max-width: 992px) {
     .about-grid {
         grid-template-columns: 1fr;
         gap: 40px;
     }

     .services-grid {
         grid-template-columns: 1fr;
     }

     .cases-grid {
         grid-template-columns: 1fr;
     }

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

     .contact-wrap {
         grid-template-columns: 1fr;
         gap: 40px;
     }

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

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

     .hero h1 {
         font-size: 2.4rem;
     }

     .hero-drone {
         display: none;
     }
 }

 @media (max-width: 768px) {
     .nav-links {
         display: none;
         position: fixed;
         top: 64px;
         left: 0;
         right: 0;
         background: rgba(255, 255, 255, 0.98);
         flex-direction: column;
         padding: 20px 24px;
         border-bottom: 1px solid #e5e7eb;
     }

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

     .hamburger {
         display: flex;
     }

     .hero h1 {
         font-size: 1.8rem;
     }

     .hero .slogan {
         font-size: 1.1rem;
     }

     .advantages {
         grid-template-columns: 1fr;
     }

     .section {
         padding: 60px 0;
     }

     .team-grid {
         grid-template-columns: 1fr;
     }

     .service-card {
         flex-direction: column;
     }

     .service-card-img {
         width: 100%;
         min-height: 180px;
     }

     .contact-wrap {
         padding: 32px 24px;
     }

     .qual-grid {
         grid-template-columns: 1fr;
     }

     .section-title {
         font-size: 1.6rem;
     }
 }