/* ===== GLOBAL STYLE ===== */
:root {
    --bg: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --primary: #0a2540;
    --accent: #2563eb;
    --card: #f8fafc;
    --border: #e2e8f0;
}

body {
    margin: 0;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* ===== NAVBAR ===== */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid var(--border);
}

.top-nav h1 {
    font-size: 20px;
    margin: 0;
    letter-spacing: 1px;
}

.links a {
    margin-left: 25px;
    text-decoration: none;
    color: var(--muted);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

/* ===== HERO ===== */
.hero {
    text-align: center;
    padding: 100px 20px 80px;
    max-width: 900px;
    margin: auto;
}

.hero h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    color: var(--muted);
    margin-bottom: 35px;
}

.cta-button {
    background: var(--primary);
    color: white;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.25s ease;
}

.cta-button:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

/* ===== SECTIONS ===== */
section {
    max-width: 1100px;
    margin: auto;
    padding: 80px 20px;
}

/* ===== HEADERS ===== */
.content-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.content-header h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.content-header p {
    color: var(--muted);
    font-size: 16px;
}

/* ===== GRID ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

/* ===== CARDS ===== */
.service-card {
    background: var(--card);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: all 0.25s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.service-card h3 {
    margin-top: 0;
    font-size: 18px;
    margin-bottom: 10px;
}

.service-card p {
    color: var(--muted);
    font-size: 14px;
}

/* ===== CONTACT ===== */
.contact-box {
    text-align: center;
    background: var(--card);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border);
    max-width: 500px;
    margin: auto;
}

.contact-box p {
    margin: 10px 0;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 30px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 14px;
}