:root {
    --primary: #0f2c59;
    --secondary: #176b87;
    --accent: #ff6b35;
    --text: #333333;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border: #e2e8f0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background-color: var(--white);
    padding-bottom: 60px; /* Space for mobile sticky CTA */
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.text-center { text-align: center; }
.mt-medium { margin-top: 20px; }
.py-large { padding: 60px 0; }
.py-medium { padding: 40px 0; }
.bg-light { background-color: var(--bg-light); }

/* Header */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo strong {
    font-size: 1.1rem;
    color: var(--primary);
}

.sub-logo {
    font-size: 0.85rem;
    color: var(--secondary);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

.main-nav a {
    font-weight: 500;
    color: var(--text);
}

.main-nav a:hover {
    color: var(--secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #e85a25;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-phone {
    background-color: var(--primary);
    color: var(--white);
    padding: 10px 18px;
    font-size: 0.95rem;
}

.btn-large {
    font-size: 1.2rem;
    padding: 16px 32px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(15, 44, 89, 0.85), rgba(15, 44, 89, 0.85)), url('https://images.pexels.com/photos/8985434/pexels-photo-8985434.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') no-repeat center center/cover;
    color: var(--white);
    padding: 100px 0;
}

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

.hero-content h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.15rem;
    margin-bottom: 30px;
    color: #e2e8f0;
}

.hero-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Services */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.service-card h3 {
    color: var(--primary);
    margin-bottom: 15px;
}

/* Grids */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.check-list {
    list-style: none;
    margin-top: 15px;
}

.check-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.faq-item {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 6px;
}

.faq-item h4 {
    color: var(--primary);
    margin-bottom: 10px;
}

/* Footer */
.site-footer {
    background: var(--primary);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.site-footer a {
    color: #e2e8f0;
}

.site-footer a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 0.9rem;
    color: #cbd5e1;
}

/* Mobile Sticky CTA */
.mobile-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--primary);
    border-top: 2px solid var(--accent);
    z-index: 999;
    padding: 12px;
    text-align: center;
}

.mobile-call-btn {
    color: var(--white);
    font-weight: bold;
    font-size: 1.1rem;
    display: block;
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .mobile-sticky-cta {
        display: block;
    }
}