:root {
    --bg-primary: #f7f9fc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-elevated: #f8fafc;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-soft: #334155;

    --brand-primary: #2563eb;
    --brand-secondary: #38bdf8;

    --success: #16a34a;
    --warning: #d97706;
    --error: #dc2626;

    --border: #dbe4f0;
    --border-soft: rgba(37, 99, 235, 0.12);

    --code-bg: #fff;

    --shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);

    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 10px;

    --container: 1180px;
}

* {
    box-sizing: border-box;
    font-family: "Montserrat", sans-serif;
    font-weight: 300;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.06), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #f7f9fc 100%);
    color: var(--text-primary);
    line-height: 1.65;
}

a {
    color: var(--brand-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

code {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.92em;
}

section {
    margin-bottom: 20px;
}

.page {
    width: 100%;
    min-height: 100vh;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.topbar-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: 0.2px;
    color: var(--text-primary);
}

.brand-badge {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    box-shadow: 0 0 18px rgba(37, 99, 235, 0.25);
}

.topnav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.topnav a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: 0.2s ease;
}

.topnav a:hover {
    color: var(--brand-primary);
    background: rgba(37, 99, 235, 0.06);
    border-color: rgba(37, 99, 235, 0.12);
    text-decoration: none;
}

.wrap {
    max-width: var(--container);
    margin: 0 auto;
    padding: 34px 20px 50px;
}

.hero {
    position: relative;
    overflow: hidden;
    background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 46%),
    linear-gradient(135deg, #ffffff, #f8fbff);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 34px;
    box-shadow: var(--shadow-lg);
}

.eyebrow {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.06);
    border: 1px solid rgba(37, 99, 235, 0.10);
    color: var(--brand-primary);
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0.2px;
}

h1, h2, h3 {
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    margin: 0 0 14px;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
}

h2 {
    margin: 42px 0 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    font-size: 1.45rem;
    font-weight: 700;
}

h3 {
    margin: 24px 0 12px;
    font-size: 1.08rem;
    font-weight: 700;
}

p {
    margin: 0 0 14px;
    color: var(--text-soft);
}

li {
    color: var(--text-soft);
    margin-bottom: 8px;
}

strong {
    color: var(--text-primary);
}

.muted {
    color: var(--text-secondary);
    max-width: 900px;
    font-size: 1rem;
}

.hero-summary {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 14px;
}

.hero-stat {
    background: rgba(255,255,255,0.78);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
}

.hero-stat .label {
    color: var(--text-secondary);
    font-size: 0.84rem;
    margin-bottom: 8px;
}

.hero-stat .value {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
}

.section-intro {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.card {
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(37, 99, 235, 0.25);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.08);
}

.card h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.card p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

.callout {
    border-left: 4px solid var(--brand-primary);
    background: rgba(37, 99, 235, 0.04);
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    margin: 16px 0;
    color: var(--text-soft);
    border-top: 1px solid rgba(37, 99, 235, 0.08);
    border-right: 1px solid rgba(37, 99, 235, 0.08);
    border-bottom: 1px solid rgba(37, 99, 235, 0.08);
}

.code {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.91rem;
    line-height: 1.7;
    color: #1e293b;
    margin-top: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 14px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

th, td {
    text-align: left;
    padding: 14px 16px;
    border-bottom: 1px solid #e8eef5;
    vertical-align: top;
}

th {
    background: #f8fafc;
    color: var(--brand-primary);
    font-size: 0.95rem;
    font-weight: 700;
}

tr:last-child td {
    border-bottom: none;
}

.status-ok {
    color: var(--success);
    font-weight: 700;
}

.status-warn {
    color: var(--warning);
    font-weight: 700;
}

.status-bad {
    color: var(--error);
    font-weight: 700;
}

.flow {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.flow-step {
    display: flex;
    gap: 14px;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-md);
}

.flow-number {
    width: 34px;
    min-width: 34px;
    height: 34px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.95rem;
}

.flow-text {
    color: var(--text-soft);
}

footer {
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    padding: 10px 30px;
    background: white;
    display: flex !important;
    justify-content: space-between;
}

footer span {
    font-size: 0.85rem;
}

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.14), transparent);
    margin: 20px 0 6px;
}

@media (max-width: 860px) {
    .topbar-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero {
        padding: 24px;
    }

    h2 {
        font-size: 1.3rem;
    }

    th, td {
        padding: 12px 12px;
    }
}

@media (max-width: 580px) {
    .wrap {
        padding: 22px 14px 50px;
    }

    .topbar-inner {
        padding: 12px 14px;
    }

    .hero {
        border-radius: 18px;
    }

    .card {
        padding: 16px;
    }

    .flow-step {
        padding: 14px;
    }
}