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

:root {
    --primary: #22d3ee;
    --primary-soft: #67e8f9;
    --bg: #ecfeff;
    --card-bg: rgba(255,255,255,0.75);
    --border: rgba(0,0,0,0.06);
    --text: #0b1227;
    --muted: #475569;
    font-family: "Inter", Arial, sans-serif;
}

body {
    background: linear-gradient(180deg, #e0faff, #ecfeff);
    color: var(--text);
}

.hero {
    background: linear-gradient(135deg, #22d3ee, #67e8f9);
    padding: 80px 20px;
}

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

.back-link {
    color: #0b1227;
    text-decoration: none;
    font-size: 14px;
    display: inline-block;
    margin-bottom: 22px;
}

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

.hero h1 {
    font-size: 44px;
    margin-bottom: 10px;
}

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

.section {
    padding: 80px 20px;
}

.cards {
    max-width: 1100px;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 36px;
}

.card {
    background: var(--card-bg);
    border-radius: 28px;
    padding: 32px 26px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.6),
        0 15px 30px rgba(0,0,0,0.08);
    transition: transform 0.35s cubic-bezier(.34,1.56,.64,1),
                box-shadow 0.35s ease;
}

.card:hover {
    transform: scale(1.06);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.8),
        0 25px 45px rgba(34,211,238,0.35);
}

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

.card h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.card img {
    width: 100%;
    max-width: 180px;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.08);
    transition: transform 0.35s cubic-bezier(.34,1.56,.64,1);
}

.card:hover img {
    transform: scale(1.08) rotate(-1deg);
}

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