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

:root {
    --primary: #275d8b;
    --primary-dark: #1a4267;
    --accent: #3a8fd4;
    --text: #2c3e50;
    --text-light: #6b7d8d;
    --bg: #ffffff;
    --bg-alt: #f4f7fa;
    --border: #e1e8ef;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
}

nav {
    display: flex;
    gap: 28px;
}

nav a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--primary);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 32px;
    opacity: 0.9;
    line-height: 1.7;
}

.btn {
    display: inline-block;
    background: #fff;
    color: var(--primary);
    padding: 14px 32px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section h2 {
    font-size: 30px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: var(--primary-dark);
}

/* Grid layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* About stats */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-card {
    background: var(--bg-alt);
    border-radius: 8px;
    padding: 24px;
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}

/* Cards */
.card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px 24px;
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.card-icon {
    font-size: 24px;
    color: var(--accent);
    margin-bottom: 16px;
}

.card h3 {
    font-size: 17px;
    margin-bottom: 10px;
    color: var(--primary-dark);
}

.card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Timeline */
.timeline {
    max-width: 640px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
}

.timeline-marker {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
}

.timeline-content h3 {
    font-size: 17px;
    margin-bottom: 6px;
    color: var(--primary-dark);
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-light);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--primary-dark);
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 24px;
    font-size: 15px;
}

.contact-item {
    margin-bottom: 16px;
}

.contact-item strong {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.contact-form .btn {
    background: var(--primary);
    color: #fff;
    align-self: flex-start;
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 32px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

footer .logo {
    color: #fff;
    margin-bottom: 8px;
}

footer .logo-icon {
    background: rgba(255, 255, 255, 0.15);
}

footer p {
    font-size: 13px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 28px; }
    .hero { padding: 60px 0; }
    .grid-2, .grid-3, .contact-grid { grid-template-columns: 1fr; }
    nav { display: none; }
    .footer-inner { flex-direction: column; text-align: center; gap: 16px; }
}