:root {
    --primary: #0f4c81;
    --secondary: #2c3e50;
    --bg-light: #f8f9fa;
    --text-dark: #333333;
    --text-muted: #6c757d;
}

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

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.logo-box {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: 8px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: 0.3s;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}

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

.btn-primary:hover {
    background: #0b3d68;
}

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

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

/* Hero */
.hero {
    background: var(--bg-light);
    padding: 80px 0;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--secondary);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-text p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* Stats */
.stats {
    padding: 80px 0;
    background: var(--primary);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
    gap: 24px;
}

.stat-item h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 8px;
}

.stat-item p {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--secondary);
    color: white;
    padding: 40px 0;
    text-align: center;
}

.demo-notice {
    margin-top: 16px;
    font-size: 0.85rem;
    color: #8c9baf;
}

@media (max-width: 992px) {
    .nav { display: none; }
    .hero-container { flex-direction: column; text-align: center; }
    .hero-actions { justify-content: center; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}