:root {
    --color-primary: #1e40af;
    --color-text: #111827;
    --color-muted: #6b7280;
    --color-bg: #ffffff;
    --color-surface: #f3f4f6;
    --radius-md: 8px;
}

* {
    box-sizing: border-box;
}

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

.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero__overlay {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.88);
    padding: 40px 32px;
    border-radius: var(--radius-md);
    text-align: center;
    max-width: 640px;
    margin: 0 16px;
}

.hero h1 {
    margin: 0 0 8px;
    font-size: clamp(28px, 5vw, 48px);
}

.hero p {
    margin: 0 0 24px;
    color: var(--color-muted);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s ease;
}

.btn:hover {
    opacity: 0.9;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    padding: 64px 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature {
    background: var(--color-surface);
    padding: 24px;
    border-radius: var(--radius-md);
}

.feature h2 {
    margin-top: 0;
    color: var(--color-primary);
}

.footer {
    text-align: center;
    padding: 32px 16px;
    color: var(--color-muted);
    border-top: 1px solid #e5e7eb;
    font-size: 14px;
}