* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

body {
    background-color: #f8fafc;
    color: #1e293b;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
}

header {
    background-color: #0f172a;
    padding: 20px 0;
}

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

.logo {
    color: #f8fafc;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

nav a {
    color: #94a3b8;
    text-decoration: none;
    margin-left: 24px;
    font-size: 15px;
    transition: color 0.2s ease;
}

nav a:hover,
nav a.active {
    color: #38bdf8;
}

main {
    flex: 1;
    padding: 70px 0;
}

.hero {
    text-align: center;
}

.hero h2 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 16px;
    color: #0f172a;
}

.hero p {
    font-size: 18px;
    line-height: 1.6;
    max-width: 680px;
    margin: 0 auto 30px auto;
    color: #475569;
}

.btn-group {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 11px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: #0284c7;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #0369a1;
}

.btn-secondary {
    background-color: #e2e8f0;
    color: #334155;
}

.btn-secondary:hover {
    background-color: #cbd5e1;
}

.content h2 {
    font-size: 30px;
    margin-bottom: 20px;
    color: #0f172a;
}

.content p {
    font-size: 16px;
    line-height: 1.7;
    color: #475569;
    margin-bottom: 20px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.card {
    background: #ffffff;
    padding: 28px 24px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card h3 {
    margin-bottom: 12px;
    font-size: 18px;
    color: #0284c7;
}

.card p {
    font-size: 15px;
    line-height: 1.6;
    color: #64748b;
    margin-bottom: 0;
}

footer {
    background: #ffffff;
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
    color: #64748b;
    border-top: 1px solid #e2e8f0;
}