:root {
    --bg: #f8f9fc;
    --text: #1f2937;
    --primary: #1d4ed8;
    --primary-dark: #1e3a8a;
    --card: #ffffff;
    --muted: #6b7280;
    --border: #e5e7eb;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

.container {
    width: min(1100px, 92%);
    margin: 0 auto;
}

.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 0;
}

.brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.phone-link {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
}

.hero {
    background: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
    color: #fff;
    padding: 4.5rem 0;
}

.hero-content h1 {
    margin: 0.4rem 0 0.8rem;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    line-height: 1.2;
}

.eyebrow {
    margin: 0;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    opacity: 0.9;
}

.subtitle {
    max-width: 700px;
    margin: 0 0 1.4rem;
    opacity: 0.95;
}

.hero-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    text-decoration: none;
    padding: 0.72rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.12s ease, opacity 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: #fff;
    color: var(--primary-dark);
}

.btn-secondary {
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: #fff;
}

.section {
    padding: 3rem 0;
}

.section h2 {
    margin-top: 0;
    font-size: 1.8rem;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
}

.card h3 {
    margin-top: 0;
    margin-bottom: 0.45rem;
    color: var(--primary-dark);
}

.section-alt {
    background: #eef2ff;
    border-block: 1px solid #dbeafe;
}

.feature-list {
    margin: 0;
    padding-left: 1.1rem;
    display: grid;
    gap: 0.45rem;
}

.contact-box {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.2rem;
}

.site-footer {
    background: #111827;
    color: #d1d5db;
    text-align: center;
    padding: 1.2rem 0;
    margin-top: 2rem;
}

@media (max-width: 640px) {
    .nav {
        gap: 0.7rem;
        flex-direction: column;
    }
}