:root {
    color-scheme: light;
    --primary: #1d4ed8;
    --primary-dark: #1e40af;
    --secondary: #0f172a;
    --bg: #f8fafc;
    --card: #ffffff;
    --border: #e2e8f0;
    --muted: #64748b;
    font-family: "Inter", "Segoe UI", system-ui, sans-serif;
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

.hero {
    background: linear-gradient(120deg, #0f172a 0%, #1e293b 40%, #1d4ed8 100%);
    color: #f8fafc;
    padding: 32px 6vw 80px;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
}

.brand {
    font-size: 1.3rem;
    font-weight: 700;
}

.nav-links a {
    margin-left: 24px;
    font-size: 0.95rem;
    color: #cbd5f5;
}

.hero-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2rem, 3vw, 3.2rem);
    margin-bottom: 16px;
}

.hero p {
    max-width: 560px;
    margin-bottom: 24px;
    color: #e2e8f0;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-stats {
    display: flex;
    gap: 24px;
}

.hero-stats div {
    display: grid;
    gap: 4px;
}

.hero-stats strong {
    font-size: 1.2rem;
}

.hero-card {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.3);
    padding: 24px;
    border-radius: 18px;
}

.hero-card ul {
    list-style: none;
    display: grid;
    gap: 12px;
    margin: 16px 0;
}

.note {
    color: #cbd5f5;
    font-size: 0.9rem;
}

.section {
    padding: 72px 6vw;
}

.section.alt {
    background: #eef2ff;
}

.section-head {
    max-width: 720px;
    margin-bottom: 32px;
}

.section-head h2 {
    font-size: clamp(1.6rem, 2.4vw, 2.4rem);
    margin-bottom: 12px;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.plan-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 24px;
    border-radius: 16px;
    display: grid;
    gap: 16px;
    min-height: 260px;
}

.plan-card .price {
    font-size: 1.3rem;
    font-weight: 700;
}

.plan-card ul {
    list-style: none;
    display: grid;
    gap: 10px;
    color: var(--muted);
}

.form-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    display: grid;
    gap: 16px;
}

.card label {
    display: grid;
    gap: 8px;
    font-weight: 600;
    font-size: 0.95rem;
}

.card input,
.card select {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 0.95rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: 0.2s ease;
    cursor: pointer;
}

.btn.primary {
    background: var(--primary);
    color: #fff;
}

.btn.primary:hover {
    background: var(--primary-dark);
}

.btn.ghost {
    border-color: rgba(148, 163, 184, 0.4);
    color: #e2e8f0;
}

.btn.outline {
    border-color: var(--primary);
    color: var(--primary);
    background: transparent;
}

.alert {
    border-radius: 12px;
    padding: 14px;
    font-size: 0.95rem;
}

.alert.error {
    background: #fee2e2;
    color: #b91c1c;
}

.alert.success {
    background: #dcfce7;
    color: #166534;
}

.support {
    background: #0f172a;
    color: #f8fafc;
}

.support-list {
    display: grid;
    gap: 16px;
}

.support-list span {
    font-weight: 600;
}

.table-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

th,
td {
    padding: 12px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.empty {
    padding: 24px;
    color: var(--muted);
}

.footer {
    background: #0f172a;
    color: #cbd5f5;
    padding: 32px 6vw;
    display: grid;
    gap: 12px;
    font-size: 0.95rem;
}

.footer a {
    color: #e2e8f0;
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
    }
}