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

:root {
    --primary: #ef4444;
    --bg: #f9fafb;
    --card: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
    --radius: 16px;
    font-family: "Inter", Arial, sans-serif;
}

body {
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.hero {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    padding: 70px 20px;
    color: white;
}

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

.back-link {
    display: inline-block;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 14px;
}

.back-link:hover {
    text-decoration: underline;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 18px;
    opacity: 0.9;
}

.section {
    padding: 70px 20px;
}

.cards {
    max-width: 1100px;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 30px 24px;
    border: 1px solid var(--border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(0,0,0,0.08);
}

.card .content {
    text-align: center;
}

.card .icon {
    font-size: 28px;
    margin-bottom: 14px;
}

.card h3 {
    font-size: 20px;
    margin-bottom: 6px;
}

.card p {
    font-size: 15px;
    color: var(--muted);
    margin-bottom: 18px;
}

.card img {
    width: 100%;
    max-width: 180px;
    margin: auto;
    display: block;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.card:hover img {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }

    .subtitle {
        font-size: 16px;
    }
}