:root {
    --bg: #f2f5f7;
    --panel: #ffffff;
    --text: #1f2933;
    --muted: #5b6977;
    --accent: #0f5fa8;
    --accent-soft: #dbeafd;
    --border: #d8e1ea;
    --shadow: 0 20px 55px rgba(31, 41, 51, 0.09);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top, rgba(15, 95, 168, 0.1), transparent 30%),
        linear-gradient(180deg, #f6f9fc, #eef3f6);
}

a {
    color: var(--accent);
}

.shell {
    width: min(1120px, calc(100% - 28px));
    margin: 0 auto;
    padding: 28px 0 56px;
}

.hero,
.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: var(--shadow);
}

.hero {
    padding: 36px;
}

.hero h1 {
    margin: 0;
    font-size: clamp(2.2rem, 4.6vw, 3.8rem);
}

.hero p {
    max-width: 62ch;
    color: var(--muted);
    line-height: 1.7;
    font-size: 1.06rem;
}

.tag {
    display: inline-flex;
    margin-bottom: 14px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.hero-links a {
    text-decoration: none;
    padding: 12px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text);
}

.hero-links a.primary {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.section {
    margin-top: 20px;
    padding: 28px;
}

.section h2 {
    margin: 0 0 10px;
}

.section p {
    margin-top: 0;
    color: var(--muted);
}

.domain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.domain-card {
    padding: 18px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, #fff, #f9fbfd);
}

.domain-card h3 {
    margin: 0 0 8px;
    font-size: 1.05rem;
}

.domain-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.banner {
    display: block;
    width: min(100%, 900px);
    margin: 24px auto 0;
    border-radius: 22px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.footer {
    margin-top: 22px;
    text-align: center;
    color: var(--muted);
}