/* CSS Custom Properties */
:root {
    --navy-900: #0a1628;
    --navy-800: #1a2744;
    --navy-700: #243454;
    --navy-600: #2d3f63;
    --gold-500: #d4a017;
    --gold-400: #e6b422;
    --gold-300: #f0c54a;
    --neutral-50: #f8f9fa;
    --neutral-100: #f1f3f5;
    --neutral-200: #e9ecef;
    --neutral-600: #6c757d;
    --neutral-800: #343a40;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(10, 22, 40, 0.1), 0 2px 4px -1px rgba(10, 22, 40, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(10, 22, 40, 0.1), 0 4px 6px -2px rgba(10, 22, 40, 0.05);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--neutral-800);
    background-color: var(--white);
}

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

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

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy-900);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: 1.25rem; }

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-600);
    max-width: 600px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--gold-500);
    color: var(--navy-900);
    border-color: var(--gold-500);
}

.btn-primary:hover {
    background-color: var(--gold-400);
    border-color: var(--gold-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--navy-900);
}

.btn-full {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--navy-900);
    border-bottom: 1px solid var(--navy-700);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
}

.logo-icon {
    color: var(--gold-500);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--neutral-200);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--gold-400);
}

.btn-nav {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    background-color: var(--gold-500);
    color: var(--navy-900);
    border-radius: var(--radius-sm);
}

.btn-nav:hover {
    background-color: var(--gold-400);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--white);
    transition: var(--transition);
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('https://images.pexels.com/photos/34006937/pexels-photo-34006937.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.92) 0%, rgba(26, 39, 68, 0.88) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 2rem;
}

.hero-headline {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero-sub {
    color: var(--neutral-200);
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Services */
.services {
    background-color: var(--neutral-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--neutral-200);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold-500);
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--navy-900);
    color: var(--gold-500);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
}

.service-card h3 {
    margin-bottom: 0.75rem;
    color: var(--navy-800);
}

.service-card p {
    color: var(--neutral-600);
    font-size: 0.95rem;
}

/* Why Us */
.why-us {
    background-color: var(--white);
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.text-left {
    text-align: left;
}

.features-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
    color: var(--navy-800);
}

.feature-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--gold-500);
    color: var(--navy-900);
    border-radius: 50%;
    flex-shrink: 0;
}

.split-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* About */
.about {
    background-color: var(--navy-900);
    color: var(--white);
}

.about .section-title {
    color: var(--white);
}

.about-content {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.about-content p {
    color: var(--neutral-200);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--gold-500);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--neutral-200);
    font-size: 0.95rem;
}

/* Contact */
.contact {
    background-color: var(--neutral-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--navy-900);
    color: var(--gold-500);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-item h4 {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--navy-800);
}

.contact-item p {
    color: var(--neutral-600);
}

.contact-item a {
    color: var(--gold-500);
    font-weight: 600;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--gold-400);
    text-decoration: underline;
}

/* Form */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--navy-800);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-500);
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.2);
}

.form-group textarea {
    resize: vertical;
}

.form-success {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background-color: #d4edda;
    color: #155724;
    border-radius: var(--radius-sm);
    margin-top: 1rem;
}

.form-success svg {
    flex-shrink: 0;
}

/* Footer */
.footer {
    background-color: var(--navy-900);
    color: var(--neutral-200);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: 0.75rem;
}

.footer-brand p {
    color: var(--neutral-600);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--neutral-200);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--gold-400);
}

.footer-bottom {
    border-top: 1px solid var(--navy-700);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--neutral-600);
    font-size: 0.875rem;
}

.footer-bottom a {
    color: var(--gold-500);
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--gold-400);
}

/* Responsive */
@media (max-width: 968px) {
    .split-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .split-image {
        order: -1;
    }

    .split-image img {
        height: 300px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--navy-900);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        border-bottom: 1px solid var(--navy-700);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 3rem 0;
    }

    .service-card {
        padding: 1.5rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: no-preference) {
    .service-card {
        transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    }

    .btn {
        transition: var(--transition);
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}