/* assets/css/main.css */
:root {
    --primary: #1B2D5B;
    --accent: #C8972B;
    --bg: #F7F8FC;
    --surface: #FFFFFF;
    --text-primary: #1A1A2E;
    --text-muted: #6B7280;
    --success: #10B981;
    --danger: #EF4444;
    --border: #E5E7EB;

    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-card: 8px;
    --radius-btn: 6px;
    --radius-input: 4px;
    --radius-badge: 20px;

    --shadow-card: 0 2px 12px rgba(27,45,91,0.08);
    --shadow-hover: 0 8px 32px rgba(27,45,91,0.14);
    --shadow-modal: 0 24px 64px rgba(27,45,91,0.18);

    --transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }
.text-white { color: #fff !important; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }

/* Layout */
main {
    min-height: calc(100vh - 80px - 200px); /* header + footer approx */
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.navbar.scrolled {
    box-shadow: var(--shadow-card);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}
.logo-accent {
    width: 32px;
    height: 3px;
    background-color: var(--accent);
    margin-top: 2px;
    border-radius: 2px;
}

.nav-links {
    display: flex;
    gap: 32px;
}
.nav-links a {
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
}

/* Footer */
.site-footer {
    background-color: var(--primary);
    color: #fff;
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-col h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 24px;
}
.footer-tagline {
    color: rgba(255,255,255,0.7);
    margin-top: 16px;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 12px;
}
.footer-col ul li a {
    color: rgba(255,255,255,0.7);
}
.footer-col ul li a:hover {
    color: var(--accent);
}
.contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.7);
}
.contact-list li i {
    width: 18px;
    height: 18px;
    color: var(--accent);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
}
.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Sections */
.section {
    padding: 96px 0;
}
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header h2 {
    font-size: 36px;
}
.section-header p {
    color: var(--text-muted);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}
.bg-navy { background-color: var(--primary); color: #fff; }
.bg-navy h2, .bg-navy h3, .bg-navy p { color: #fff; }
.bg-navy p { color: rgba(255,255,255,0.8); }
.bg-light { background-color: var(--bg); }
.bg-white { background-color: var(--surface); }

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-card);
    }
    .nav-links.show { display: flex; }
    .mobile-toggle { display: block; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom .container { flex-direction: column; gap: 12px; }
    .section { padding: 48px 0; }
}
