@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=Space+Grotesk:wght@400;500;700&display=swap');

:root {
    --bg: #06111f;
    --bg-strong: #0b1d33;
    --paper: rgba(11, 24, 42, 0.82);
    --paper-solid: #10213a;
    --ink: #edf4ff;
    --ink-soft: #b7c7df;
    --muted: #7f96b7;
    --line: rgba(151, 179, 220, 0.16);
    --accent: #4f8cff;
    --accent-strong: #8fc7ff;
    --accent-soft: #183866;
    --signal: #4dc5ff;
    --shadow: 0 22px 60px rgba(2, 7, 18, 0.4);
    --radius: 28px;
    --radius-small: 18px;
    --max: 1220px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
    color: var(--ink);
    line-height: 1.65;
    background:
        radial-gradient(circle at top left, rgba(79, 140, 255, 0.18), transparent 24%),
        radial-gradient(circle at 82% 10%, rgba(77, 197, 255, 0.16), transparent 18%),
        radial-gradient(circle at 50% 120%, rgba(25, 56, 102, 0.44), transparent 34%),
        linear-gradient(180deg, #081425 0%, var(--bg) 52%, #040b15 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(237, 244, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(237, 244, 255, 0.03) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 92%);
}

a {
    color: inherit;
}

.site-shell {
    width: min(calc(100% - 40px), var(--max));
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(6, 17, 31, 0.76);
    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    color: #eef6ff;
    background: linear-gradient(145deg, var(--accent) 0%, #72b7ff 100%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.22), 0 12px 26px rgba(27, 92, 191, 0.28);
}

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

.nav a,
.button,
.button-secondary {
    text-decoration: none;
    transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.nav a {
    padding: 9px 14px;
    border-radius: 999px;
    color: var(--ink-soft);
}

.nav a:hover,
.nav a:focus-visible {
    background: rgba(79, 140, 255, 0.12);
    color: var(--ink);
}

.hero {
    padding: 46px 0 28px;
}

.hero-grid,
.grid.two,
.grid.three,
.footer-grid {
    display: grid;
    gap: 20px;
}

.hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.85fr);
    align-items: start;
}

.grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.grid + .grid {
    margin-top: 20px;
}

.hero-card,
.panel,
.feature-card,
.faq-card,
.doc-card,
.callout {
    position: relative;
    overflow: hidden;
    background: var(--paper);
    border: 1px solid rgba(151, 179, 220, 0.12);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

.hero-card::before,
.panel::before,
.feature-card::before,
.faq-card::before,
.doc-card::before,
.callout::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent 40%);
    pointer-events: none;
}

.hero-copy,
.hero-side,
.feature-card,
.faq-card,
.doc-card,
.panel,
.callout {
    padding: 26px;
}

.hero-copy {
    padding: 36px;
    background:
        linear-gradient(145deg, rgba(16, 33, 58, 0.98), rgba(10, 22, 40, 0.96)),
        var(--paper);
}

.hero-copy::after {
    content: "";
    position: absolute;
    top: 20px;
    right: 20px;
    width: 110px;
    height: 110px;
    border-radius: 22px;
    border: 1px solid rgba(143, 199, 255, 0.12);
    background:
        linear-gradient(180deg, rgba(79, 140, 255, 0.16), transparent),
        repeating-linear-gradient(90deg, rgba(237, 244, 255, 0.05) 0 1px, transparent 1px 11px),
        repeating-linear-gradient(rgba(237, 244, 255, 0.05) 0 1px, transparent 1px 11px);
    transform: rotate(8deg);
}

.hero-side {
    display: grid;
    gap: 18px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(179, 69, 47, 0.18);
    background: rgba(179, 69, 47, 0.08);
    background: rgba(79, 140, 255, 0.12);
    color: var(--accent-strong);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

h1,
h2,
h3 {
    margin: 0 0 14px;
    font-family: "Fraunces", Georgia, serif;
    line-height: 1.02;
    letter-spacing: -0.03em;
}

h1 {
    font-size: clamp(3rem, 5vw, 5.4rem);
    max-width: 11ch;
}

h2 {
    font-size: clamp(2rem, 3vw, 3rem);
}

h3 {
    font-size: 1.28rem;
}

p {
    margin: 0 0 16px;
    color: var(--ink-soft);
}

.lead {
    font-size: 1.08rem;
    max-width: 62ch;
}

.button-row,
.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button-row {
    margin-top: 28px;
}

.button,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 18px;
    border-radius: 999px;
    font-weight: 700;
}

.button {
    color: #f5fbff;
    background: linear-gradient(145deg, var(--accent) 0%, #72b7ff 100%);
    box-shadow: 0 16px 30px rgba(27, 92, 191, 0.26);
}

.button-secondary {
    color: var(--ink);
    border: 1px solid rgba(151, 179, 220, 0.18);
    background: rgba(9, 22, 40, 0.72);
}

.button:hover,
.button:focus-visible,
.button-secondary:hover,
.button-secondary:focus-visible {
    transform: translateY(-2px);
}

.mini-panel {
    padding: 20px;
    border-radius: var(--radius-small);
    border: 1px solid rgba(151, 179, 220, 0.14);
    background:
        linear-gradient(180deg, rgba(13, 28, 49, 0.98), rgba(9, 20, 37, 0.94));
}

.demo-panel a {
    color: var(--accent-strong);
}

.demo-button {
    margin-top: 8px;
    width: 100%;
}

.mini-panel:nth-child(2) {
    background:
        linear-gradient(180deg, rgba(11, 35, 58, 0.98), rgba(9, 24, 42, 0.94));
}

.mini-panel:nth-child(3) {
    background:
        linear-gradient(180deg, rgba(12, 31, 54, 0.98), rgba(10, 23, 40, 0.94));
}

.mini-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--muted);
    font-weight: 700;
}

.mini-value {
    font-size: 1.9rem;
    font-weight: 700;
    font-family: "Fraunces", Georgia, serif;
}

.mini-list,
.checklist,
.steps {
    margin: 0;
}

.mini-list,
.checklist {
    padding-left: 18px;
}

.steps {
    padding-left: 22px;
}

.steps li,
.checklist li {
    margin-bottom: 12px;
}

.feature-card,
.faq-card,
.doc-card {
    min-height: 100%;
}

.feature-card h3,
.faq-card h3,
.doc-card h3 {
    max-width: none;
}

.feature-card {
    background:
        linear-gradient(180deg, rgba(12, 27, 47, 0.96), rgba(9, 21, 38, 0.94));
}

.feature-card:nth-child(3n + 2) {
    background:
        linear-gradient(180deg, rgba(11, 32, 54, 0.96), rgba(8, 24, 43, 0.94));
}

.feature-card:nth-child(3n) {
    background:
        linear-gradient(180deg, rgba(13, 29, 52, 0.96), rgba(10, 22, 39, 0.94));
}

.tag {
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.88rem;
    color: var(--accent-strong);
    background: rgba(79, 140, 255, 0.12);
    border: 1px solid rgba(79, 140, 255, 0.2);
}

.section {
    padding: 30px 0;
}

.section-header {
    margin-bottom: 22px;
}

.section-header.compact {
    margin-bottom: 16px;
}

.muted {
    color: var(--muted);
}

.eyebrow-link {
    text-decoration: none;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.resource-card {
    position: relative;
    min-height: 100%;
    padding: 24px;
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid rgba(151, 179, 220, 0.12);
    background:
        linear-gradient(180deg, rgba(12, 27, 47, 0.96), rgba(9, 21, 38, 0.94));
    box-shadow: var(--shadow);
    text-decoration: none;
}

.resource-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent 40%);
    pointer-events: none;
}

.resource-card p,
.resource-card h3 {
    position: relative;
}

.article-shell {
    padding: 36px 0 56px;
}

.article-hero {
    margin-bottom: 22px;
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid rgba(151, 179, 220, 0.12);
    background:
        linear-gradient(145deg, rgba(16, 33, 58, 0.98), rgba(10, 22, 40, 0.96)),
        var(--paper);
    box-shadow: var(--shadow);
}

.article-hero h1 {
    max-width: 12ch;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.76fr) minmax(280px, 0.34fr);
    gap: 20px;
    align-items: start;
}

.article-main,
.toc-card {
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid rgba(151, 179, 220, 0.12);
    background: var(--paper);
    box-shadow: var(--shadow);
}

.toc-card {
    position: sticky;
    top: 96px;
}

.toc-card h2 {
    font-size: 1.2rem;
    margin-bottom: 14px;
}

.toc-links {
    display: grid;
    gap: 10px;
}

.toc-links a {
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--ink-soft);
    text-decoration: none;
    background: rgba(79, 140, 255, 0.06);
}

.toc-links a:hover,
.toc-links a:focus-visible {
    color: var(--ink);
    background: rgba(79, 140, 255, 0.14);
}

.article-section + .article-section {
    margin-top: 22px;
}

.article-prose p:last-child,
.article-prose ul:last-child,
.article-prose ol:last-child {
    margin-bottom: 0;
}

.article-prose ul,
.article-prose ol {
    padding-left: 20px;
}

.article-prose li + li {
    margin-top: 10px;
}

.article-prose h2 {
    font-size: clamp(1.85rem, 2.8vw, 2.5rem);
    margin-top: 0;
}

.article-prose h3 {
    margin-top: 20px;
}

.article-prose strong {
    color: var(--ink);
}

.callout {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    background:
        linear-gradient(135deg, rgba(79, 140, 255, 0.26), rgba(8, 18, 33, 0.96));
    color: #f4f8ff;
}

.callout p,
.callout h2,
.callout a {
    color: inherit;
}

.callout .button {
    background: linear-gradient(145deg, #dff1ff 0%, #9fd4ff 100%);
    color: #07203d;
    box-shadow: none;
}

.footer {
    padding: 50px 0 62px;
    color: var(--muted);
}

.footer-grid {
    grid-template-columns: 1.2fr 0.8fr;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(11, 24, 42, 0.9);
    border-radius: var(--radius-small);
    overflow: hidden;
}

th,
td {
    text-align: left;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(62, 40, 16, 0.1);
}

th {
    background: rgba(79, 140, 255, 0.12);
}

tr:last-child td {
    border-bottom: 0;
}

code {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 0.94em;
    padding: 0.12rem 0.38rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
}

pre code {
    display: block;
    padding: 14px;
    overflow-x: auto;
}

@media (max-width: 980px) {
    .hero-grid,
    .grid.two,
    .grid.three,
    .resource-grid,
    .article-layout,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy::after {
        width: 86px;
        height: 86px;
    }

    .toc-card {
        position: static;
    }
}

@media (max-width: 720px) {
    body {
        font-size: 15px;
    }

    .site-shell {
        width: min(calc(100% - 26px), var(--max));
    }

    .topbar-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero-copy,
    .hero-side,
    .feature-card,
    .faq-card,
    .doc-card,
    .panel,
    .callout {
        padding: 20px;
    }

    .button-row {
        flex-direction: column;
    }

    .button,
    .button-secondary {
        width: 100%;
    }

    h1 {
        max-width: none;
    }
}