:root {
    --bg: #f5f7fb;
    --panel: rgba(255, 255, 255, 0.72);
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --border: rgba(255, 255, 255, 0.45);
    --shadow: 0 20px 40px rgba(37, 99, 235, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', 'Pretendard', sans-serif;
    background: linear-gradient(180deg, #eef4ff 0%, var(--bg) 100%);
    color: var(--text);
}

.hero {
    padding: 96px 24px 72px;
}

.hero__content {
    max-width: 960px;
    margin: 0 auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 48px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.badge {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-dark);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 18px;
}

h1 {
    margin: 0 0 18px;
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    line-height: 1.08;
}

h2 {
    margin: 0 0 20px;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
}

p {
    line-height: 1.7;
    color: var(--muted);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

button,
.link-button {
    appearance: none;
    border: none;
    text-decoration: none;
    padding: 14px 22px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease;
}

button {
    background: var(--primary);
    color: white;
}

button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.link-button {
    background: white;
    color: var(--text);
    border: 1px solid rgba(31, 41, 55, 0.08);
}

.section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 24px 64px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.feature-card,
.section--highlight,
.legal {
    background: rgba(255, 255, 255, 0.84);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.48);
    box-shadow: 0 16px 32px rgba(17, 24, 39, 0.05);
}

.feature-card {
    padding: 24px;
}

.feature-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.section--highlight,
.legal {
    padding: 28px;
}

.audience-list {
    margin: 0;
    padding-left: 20px;
    color: var(--muted);
    line-height: 1.8;
}

.legal-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.legal-links a {
    color: var(--primary-dark);
    font-weight: 600;
    text-decoration: none;
}

.legal-links a:hover {
    text-decoration: underline;
}

.footer {
    padding: 32px 24px 48px;
    text-align: center;
    color: var(--muted);
}

@media (max-width: 720px) {
    .hero {
        padding: 72px 16px 48px;
    }

    .hero__content {
        padding: 28px;
        border-radius: 22px;
    }

    .section {
        padding-left: 16px;
        padding-right: 16px;
    }
}