/* ===== Variables & Reset ===== */
:root {
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --primary: #1a3a5c;
    --primary-light: #2c5f8a;
    --primary-dark: #0f2440;
    --accent: #2c7be5;
    --accent-light: #4a9af5;
    --accent-dark: #1a5cb8;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font);
    background: var(--white);
    color: var(--gray-800);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Navbar ===== */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 12px 0; transition: var(--transition);
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.navbar.scrolled {
    background: rgba(255,255,255,0.97);
    box-shadow: 0 1px 20px rgba(0,0,0,0.08);
    padding: 8px 0;
}
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; z-index: 1001; }
.logo-img { height: 44px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
    font-size: 0.9rem; font-weight: 500; color: var(--gray-600);
    transition: var(--transition); position: relative;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 2px;
    background: var(--accent); transition: var(--transition); border-radius: 2px;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; z-index: 1001; padding: 4px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--gray-800); transition: var(--transition); border-radius: 2px; }

/* ===== Hero ===== */
.hero {
    position: relative; min-height: 92vh;
    display: flex; align-items: center; justify-content: flex-start;
    padding: 120px 0 80px; overflow: hidden;
}
.hero-bg-img {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover; z-index: 0;
}
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(26,58,92,0.88) 0%, rgba(44,123,229,0.7) 100%);
    z-index: 1;
}
.hero-content {
    position: relative; z-index: 2;
    max-width: 650px; padding: 0 24px 0 calc((100vw - 1200px)/2 + 24px);
    color: var(--white);
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.15); backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 8px 20px; border-radius: 50px;
    font-size: 0.85rem; font-weight: 500; margin-bottom: 28px;
    animation: fadeInUp 0.8s ease-out;
}
.hero-title {
    font-size: 3.4rem; font-weight: 800; line-height: 1.15;
    margin-bottom: 24px; letter-spacing: -1px;
    animation: fadeInUp 0.8s ease-out 0.15s backwards;
}
.hero-title .text-accent { color: #7ec8e3; }
.hero-subtitle {
    font-size: 1.15rem; color: rgba(255,255,255,0.85);
    margin-bottom: 36px; max-width: 520px; line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}
.hero-actions {
    display: flex; gap: 16px;
    animation: fadeInUp 0.8s ease-out 0.45s backwards;
}

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: var(--radius);
    font-size: 0.95rem; font-weight: 600; cursor: pointer;
    transition: var(--transition); border: none; font-family: var(--font);
}
.btn-primary {
    background: var(--accent); color: white;
    box-shadow: 0 4px 16px rgba(44,123,229,0.35);
}
.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(44,123,229,0.4);
}
.btn-white {
    background: rgba(255,255,255,0.15); color: white;
    border: 1px solid rgba(255,255,255,0.3); backdrop-filter: blur(10px);
}
.btn-white:hover { background: rgba(255,255,255,0.25); }
.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== Stats ===== */
.stats-bar {
    background: var(--white); padding: 0;
    position: relative; z-index: 10;
    margin-top: -50px;
}
.stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
    background: var(--white); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl); overflow: hidden;
    max-width: 1000px; margin: 0 auto;
}
.stat-item {
    text-align: center; padding: 36px 20px;
    border-right: 1px solid var(--gray-200);
}
.stat-item:last-child { border-right: none; }
.stat-number {
    font-size: 2.5rem; font-weight: 800; color: var(--accent);
    line-height: 1;
}
.stat-plus { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.stat-label {
    display: block; font-size: 0.85rem; color: var(--gray-500);
    font-weight: 500; margin-top: 6px;
}

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section-gray { background: var(--gray-50); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
    display: inline-block;
    background: rgba(44,123,229,0.08); color: var(--accent);
    padding: 6px 18px; border-radius: 50px;
    font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 16px;
}
.section-title {
    font-size: 2.4rem; font-weight: 800;
    color: var(--gray-900); margin-bottom: 16px; letter-spacing: -0.5px;
}
.text-accent { color: var(--accent); }
.section-desc { font-size: 1.05rem; color: var(--gray-600); max-width: 580px; margin: 0 auto; }

/* ===== About ===== */
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-images { position: relative; }
.about-img-main {
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-img-main img { width: 100%; height: 420px; object-fit: cover; }
.about-img-float {
    position: absolute; bottom: -30px; right: -30px;
    width: 200px; height: 200px;
    border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-lg); border: 5px solid var(--white);
}
.about-img-float img { width: 100%; height: 100%; object-fit: cover; }
.about-desc { font-size: 1rem; color: var(--gray-600); margin-bottom: 32px; line-height: 1.8; }
.about-features { display: flex; flex-direction: column; gap: 20px; }
.about-feature {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 16px; border-radius: var(--radius);
    transition: var(--transition);
}
.about-feature:hover { background: var(--gray-50); }
.feature-icon {
    width: 48px; height: 48px; min-width: 48px;
    background: rgba(44,123,229,0.08); border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: var(--accent); font-size: 1.1rem;
}
.about-feature h4 { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.about-feature p { font-size: 0.9rem; color: var(--gray-500); }

/* ===== Services ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
    background: var(--white); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent);
}
.service-img { position: relative; height: 200px; overflow: hidden; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.service-card:hover .service-img img { transform: scale(1.05); }
.service-badge {
    position: absolute; bottom: 16px; left: 16px;
    width: 48px; height: 48px; background: var(--accent);
    color: white; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; box-shadow: var(--shadow-md);
}
.service-body { padding: 28px; }
.service-body h3 { font-size: 1.2rem; font-weight: 700; color: var(--gray-900); margin-bottom: 12px; }
.service-body > p { font-size: 0.9rem; color: var(--gray-600); margin-bottom: 20px; line-height: 1.7; }
.service-list { display: flex; flex-direction: column; gap: 10px; }
.service-list li {
    display: flex; align-items: center; gap: 10px;
    font-size: 0.85rem; color: var(--gray-600);
}
.service-list li i { color: var(--accent); font-size: 0.8rem; }

/* ===== Why Us ===== */
.why-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.why-desc { font-size: 1rem; color: var(--gray-600); margin-bottom: 32px; }
.why-items { display: flex; flex-direction: column; gap: 20px; }
.why-item {
    display: flex; gap: 20px; align-items: flex-start;
    padding: 20px; border-radius: var(--radius);
    border: 1px solid var(--gray-200); transition: var(--transition);
}
.why-item:hover { border-color: var(--accent); box-shadow: var(--shadow-md); transform: translateX(4px); }
.why-num {
    font-size: 1.8rem; font-weight: 900; color: var(--accent);
    opacity: 0.3; line-height: 1; min-width: 44px;
}
.why-item h4 { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.why-item p { font-size: 0.88rem; color: var(--gray-500); }
.why-image {
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.why-image img { width: 100%; height: 480px; object-fit: cover; }

/* ===== CTA ===== */
.cta-section {
    position: relative; padding: 100px 0;
    text-align: center; overflow: hidden;
}
.cta-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover; z-index: 0;
}
.cta-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(26,58,92,0.92) 0%, rgba(44,123,229,0.85) 100%);
    z-index: 1;
}
.cta-content {
    position: relative; z-index: 2; color: white;
}
.cta-content h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 16px; }
.cta-content p { font-size: 1.1rem; color: rgba(255,255,255,0.8); margin-bottom: 32px; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 20px; border-radius: var(--radius);
    background: var(--white); border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.contact-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.contact-icon {
    width: 44px; height: 44px; min-width: 44px;
    background: rgba(44,123,229,0.08); border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: var(--accent); font-size: 1rem;
}
.contact-card h4 {
    font-size: 0.8rem; font-weight: 700; color: var(--gray-500);
    text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px;
}
.contact-card p { font-size: 0.92rem; color: var(--gray-800); }
.contact-card a { color: var(--accent); }
.contact-card a:hover { text-decoration: underline; }
.contact-map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }

/* Form */
.contact-form {
    background: var(--white); border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg); padding: 36px;
    box-shadow: var(--shadow-md);
}
.contact-form h3 {
    font-size: 1.3rem; font-weight: 700; color: var(--gray-900); margin-bottom: 24px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-size: 0.85rem; font-weight: 600;
    color: var(--gray-600); margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: 13px 16px;
    background: var(--gray-50); border: 1px solid var(--gray-200);
    border-radius: 8px; color: var(--gray-800);
    font-family: var(--font); font-size: 0.95rem;
    transition: var(--transition); outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(44,123,229,0.1);
    background: var(--white);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-400); }
.form-group select {
    cursor: pointer; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 16px center;
}
.form-group select option { background: var(--white); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ===== Footer ===== */
.footer {
    background: var(--primary-dark); color: rgba(255,255,255,0.7);
    padding-top: 60px;
}
.footer-top {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px; padding-bottom: 40px;
}
.footer-logo { height: 40px; width: auto; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.9rem; max-width: 280px; color: rgba(255,255,255,0.5); }
.footer-col h4 {
    font-size: 0.9rem; font-weight: 700; color: var(--white);
    margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.5px;
}
.footer-col a {
    display: block; font-size: 0.85rem; color: rgba(255,255,255,0.5);
    padding: 5px 0; transition: var(--transition);
}
.footer-col a:hover { color: var(--white); transform: translateX(4px); }
.footer-col a i { margin-right: 6px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0; text-align: center;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.35); }

/* ===== Animations ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-layout, .why-layout, .contact-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: none; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .hero-content { padding: 0 24px; }
    .about-images { margin-bottom: 30px; }
    .why-image { order: -1; }
    .why-image img { height: 320px; }
}
@media (max-width: 768px) {
    .nav-links {
        position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
        background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
        flex-direction: column; padding: 100px 32px; gap: 24px;
        transition: var(--transition); box-shadow: -10px 0 40px rgba(0,0,0,0.1);
    }
    .nav-links.open { right: 0; }
    .nav-toggle { display: flex; }
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero-title { font-size: 2.2rem; }
    .section-title { font-size: 1.8rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-actions { flex-direction: column; align-items: flex-start; }
    .form-row { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; text-align: center; }
    .footer-brand p { margin: 16px auto 0; }
    .about-img-float { display: none; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 1.8rem; }
    .section-title { font-size: 1.5rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .contact-form { padding: 24px 18px; }
}