:root {
    --bg: #f5f6f8;
    --bg-accent: #eef2f7;
    --surface: #ffffff;
    --surface-subtle: #f9fafb;
    --surface-strong: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --border: #d9dee7;
    --border-strong: #b8c0cc;
    --primary: #0f62fe;
    --primary-strong: #0043ce;
    --secondary: #344054;
    --success: #ecfdf3;
    --success-border: #a6e9c5;
    --danger: #fef2f2;
    --danger-border: #fecaca;
    --info: #eff6ff;
    --info-border: #bfdbfe;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 8px 24px rgba(16, 24, 40, 0.04);
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: light;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    background: linear-gradient(180deg, #fbfcfe 0%, var(--bg) 100%);
}

body,
button,
input,
select,
textarea {
    letter-spacing: 0;
}

.page-backdrop {
    display: none;
}

.shell {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid var(--border);
    backdrop-filter: saturate(1.2) blur(18px);
}

.header-inner,
.footer-grid,
.button-row,
.metric-row,
.inline-head,
.two-column,
.grid-three,
.content-grid,
.plan-grid,
.metric-cards,
.action-strip,
.section-actions {
    display: grid;
    gap: 1rem;
}

.header-inner {
    grid-template-columns: auto 1fr;
    align-items: center;
    padding: 0.9rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    color: inherit;
    text-decoration: none;
}

.brand strong {
    display: block;
    font-size: 0.98rem;
    font-weight: 700;
}

.brand small,
.muted,
.stack-list small,
.feature-list,
.metric-row span,
.top-nav a,
.site-footer p,
.form-note,
.table-empty {
    color: var(--muted);
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: var(--radius);
    background: var(--text);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 700;
    flex: 0 0 auto;
}

.top-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: 0.35rem;
}

.top-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 2.35rem;
    padding: 0.5rem 0.7rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 0.94rem;
    font-weight: 600;
    white-space: nowrap;
}

.top-nav a.active,
.top-nav a:hover {
    background: var(--info);
    color: var(--primary-strong);
}

.main-shell {
    padding: 2rem 0 4rem;
}

.hero,
.two-column,
.content-grid,
.plan-grid,
.metric-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero {
    align-items: stretch;
    margin-bottom: 2rem;
}

.hero-copy,
.hero-card,
.card,
.form-card,
.table-card,
.plan-card,
.timeline,
.metric-card,
.quick-action {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-copy,
.hero-card {
    padding: 2rem;
}

.hero-card {
    align-self: stretch;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

.hero h1,
.page-head h1 {
    max-width: 13ch;
    margin: 0.6rem 0 1rem;
    font-size: 3rem;
    line-height: 1.05;
    font-weight: 760;
}

.section-head h2,
.card h2,
.hero-card h2 {
    font-size: 1.35rem;
    line-height: 1.25;
}

.lead,
.page-head p {
    max-width: 58rem;
    color: var(--secondary);
    font-size: 1.08rem;
    line-height: 1.7;
}

.button-row,
.metric-row,
.section-actions {
    grid-auto-flow: column;
    justify-content: start;
}

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 2.75rem;
    padding: 0.72rem 1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    text-decoration: none;
    font-weight: 650;
    cursor: pointer;
    transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease, box-shadow 120ms ease;
}

.button-primary {
    color: #ffffff;
    background: var(--primary);
}

.button-primary:hover {
    background: var(--primary-strong);
}

.button-secondary {
    color: var(--text);
    border-color: var(--border);
    background: var(--surface);
}

.button-secondary:hover {
    border-color: var(--border-strong);
    background: var(--surface-subtle);
}

.button:disabled,
.button[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
}

.metric-row {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    align-items: start;
}

.metric-row li {
    max-width: 15rem;
}

.metric-row strong,
.metric-card strong,
.stats-panel strong {
    display: block;
    font-size: 1.6rem;
    line-height: 1.15;
}

.metric-row span,
.metric-card span,
.stats-panel span {
    display: block;
    margin-top: 0.25rem;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 0.45rem;
    color: var(--primary-strong);
    font-size: 0.84rem;
    font-weight: 700;
}

.feature-list,
.stack-list,
.step-list {
    margin: 1rem 0 0;
    padding-left: 1.15rem;
}

.feature-list li,
.step-list li {
    margin: 0.45rem 0;
}

.stats-panel,
.metric-cards,
.content-grid,
.plan-grid,
.grid-three,
.action-strip {
    margin-top: 1.5rem;
}

.stats-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
}

.stats-panel div,
.metric-card {
    padding: 1rem;
    background: var(--surface-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: none;
}

.metric-card {
    min-height: 7rem;
}

.content-grid,
.plan-grid,
.grid-three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.form-card,
.table-card,
.timeline,
.plan-card {
    padding: 1.25rem;
}

.highlighted {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(15, 98, 254, 0.2), var(--shadow);
}

.page-head {
    margin-bottom: 1.5rem;
}

.inline-head {
    grid-template-columns: 1fr auto;
    align-items: start;
}

.form-card {
    overflow: hidden;
}

.table-card {
    overflow-x: auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.slim {
    max-width: 34rem;
}

label {
    display: grid;
    gap: 0.45rem;
    margin-bottom: 1rem;
    font-weight: 650;
}

input,
select,
textarea,
button {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.72rem 0.85rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text);
}

input::placeholder,
textarea::placeholder {
    color: #98a2b3;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.16);
}

a:focus-visible,
button:focus-visible,
.button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(15, 98, 254, 0.35);
    outline-offset: 2px;
}

table {
    width: 100%;
    min-width: 42rem;
    border-collapse: collapse;
}

th,
td {
    padding: 0.82rem 0.75rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 700;
}

tbody tr:hover {
    background: var(--surface-subtle);
}

.stack-list {
    list-style: none;
    padding: 0;
}

.stack-list li {
    display: grid;
    gap: 0.2rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
}

.stack-list li:last-child {
    border-bottom: 0;
}

.flash,
.alert {
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
    border-radius: var(--radius);
    font-weight: 650;
}

.flash-success {
    background: var(--success);
    border: 1px solid var(--success-border);
}

.flash-error,
.alert-error {
    background: var(--danger);
    border: 1px solid var(--danger-border);
    color: #7f1d1d;
}

.alert-info {
    background: var(--info);
    border: 1px solid var(--info-border);
    color: #1e3a8a;
}

.code-block {
    overflow: auto;
    padding: 1rem;
    border-radius: var(--radius);
    background: #111827;
    color: #f9fafb;
    font-size: 0.9rem;
}

.text-link {
    color: var(--primary-strong);
    font-weight: 650;
    text-decoration: none;
}

.text-link:hover {
    text-decoration: underline;
}

.site-footer {
    padding: 0 0 2rem;
}

.footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 1.25rem 0;
    border-top: 1px solid var(--border);
}

.action-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 1.5rem;
}

.quick-action {
    display: grid;
    align-content: start;
    gap: 0.25rem;
    min-height: 7rem;
    padding: 1rem;
    color: inherit;
    text-decoration: none;
}

.quick-action strong {
    font-size: 1rem;
}

.quick-action span {
    color: var(--muted);
    font-size: 0.92rem;
}

.quick-action.primary {
    border-color: rgba(15, 98, 254, 0.35);
    background: var(--info);
}

.quick-action:hover {
    border-color: var(--primary);
}

.section-actions {
    margin: 1rem 0;
}

.form-note {
    margin: 0 0 1rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-subtle);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    min-height: 1.75rem;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius);
    background: var(--surface-subtle);
    border: 1px solid var(--border);
    color: var(--secondary);
    font-size: 0.86rem;
    font-weight: 650;
}

.inline-form {
    margin: 0.65rem 0 0;
}

code {
    padding: 0.12rem 0.28rem;
    border-radius: 5px;
    background: var(--surface-subtle);
    border: 1px solid var(--border);
}

@media (max-width: 960px) {
    .hero,
    .two-column,
    .content-grid,
    .plan-grid,
    .metric-cards,
    .grid-three,
    .footer-grid,
    .form-grid,
    .inline-head,
    .action-strip {
        grid-template-columns: 1fr;
    }

    .header-inner {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .top-nav {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 0.1rem;
        scrollbar-width: thin;
    }

    .button-row,
    .metric-row,
    .section-actions {
        grid-auto-flow: row;
        justify-content: stretch;
    }

    .button-row .button,
    .section-actions .button {
        width: 100%;
    }

    .hero h1,
    .page-head h1 {
        max-width: 100%;
        font-size: 2.15rem;
    }

    .hero-copy,
    .hero-card {
        padding: 1.25rem;
    }

    .stats-panel {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}