:root {
    --bg: #fffaf2;
    --surface: rgba(255, 255, 255, 0.82);
    --surface-strong: #ffffff;
    --ink: #172033;
    --muted: #5d677b;
    --line: rgba(23, 32, 51, 0.12);
    --accent: #f97316;
    --accent-deep: #c2410c;
    --accent-soft: rgba(249, 115, 22, 0.14);
    --cyan: #0ea5e9;
    --rose: #fb7185;
    --teal: #14b8a6;
    --shadow: 0 24px 80px rgba(23, 32, 51, 0.12);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --max-width: 1200px;
    --font-sans: "Segoe UI", "Trebuchet MS", "Helvetica Neue", sans-serif;
    --font-display: "Franklin Gothic Medium", "Arial Narrow", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(251, 113, 133, 0.18), transparent 30%),
        radial-gradient(circle at top right, rgba(14, 165, 233, 0.12), transparent 28%),
        linear-gradient(180deg, #fff8ec 0%, var(--bg) 42%, #fffdf9 100%);
}

a {
    color: inherit;
}

code {
    font-family: "Consolas", "Courier New", monospace;
    font-size: 0.96em;
}

.page-shell {
    width: min(calc(100% - 32px), var(--max-width));
    margin: 0 auto;
    padding: 28px 0 64px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 28px;
    align-items: stretch;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: calc(var(--radius-xl) + 8px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(255, 249, 242, 0.96));
    box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.panel,
.feature-card,
.callout {
    backdrop-filter: blur(16px);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-deep);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero h1 {
    margin: 18px 0 0;
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.3rem);
    line-height: 0.94;
    letter-spacing: -0.04em;
}

.hero-text {
    max-width: 42rem;
    margin: 20px 0 0;
    font-size: 1.14rem;
    line-height: 1.7;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 26px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    text-decoration: none;
    transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button-primary {
    background: var(--ink);
    color: #f8fafc;
}

.button-secondary {
    background: #ffffff;
    color: var(--ink);
    border-color: var(--line);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.hero-badges li {
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    font-size: 0.94rem;
    font-weight: 600;
}

.hero-panel {
    display: grid;
    place-items: center;
    min-height: 320px;
    padding: 18px;
    border-radius: var(--radius-xl);
    background:
        linear-gradient(180deg, rgba(23, 32, 51, 0.96), rgba(30, 41, 59, 0.88)),
        linear-gradient(120deg, rgba(249, 115, 22, 0.3), rgba(14, 165, 233, 0.24));
    overflow: hidden;
}

.hero-panel svg {
    width: min(100%, 430px);
    height: auto;
    filter: drop-shadow(0 30px 70px rgba(15, 23, 42, 0.42));
}

.section {
    margin-top: 32px;
}

.site-footer {
    padding: 26px 8px 10px;
    text-align: center;
    color: var(--muted);
}

.site-footer p {
    margin: 0;
    line-height: 1.8;
}

.site-footer p + p {
    margin-top: 8px;
}

.site-footer a {
    color: var(--accent-deep);
}

.intro-grid,
.split-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.panel {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: 0 18px 48px rgba(23, 32, 51, 0.08);
}

.panel h2,
.section-heading h2,
.callout h2 {
    margin: 0;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    line-height: 1.1;
}

.panel p,
.section-heading p,
.feature-card p,
.timeline-item p,
.callout p {
    color: var(--muted);
    line-height: 1.7;
}

.repo-link {
    margin: 18px 0;
    font-size: 1.05rem;
    font-weight: 700;
}

.repo-link a,
.callout a {
    color: var(--accent-deep);
}

.section-heading {
    max-width: 54rem;
    margin-bottom: 18px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

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

.feature-card {
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 251, 247, 0.96));
    box-shadow: 0 14px 36px rgba(23, 32, 51, 0.06);
}

.feature-card h3,
.transport-card h3,
.timeline-item h3 {
    margin: 0 0 10px;
    font-size: 1.16rem;
}

.feature-card p {
    margin: 0;
}

.transport-card {
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.78);
}

.transport-card + .transport-card {
    margin-top: 16px;
}

.transport-card.warning {
    background: linear-gradient(180deg, rgba(255, 244, 232, 0.92), rgba(255, 255, 255, 0.86));
}

.snippet {
    overflow: auto;
    padding: 18px;
    border-radius: var(--radius-md);
    background: #121c31;
    color: #f8fafc;
}

.snippet pre {
    margin: 0;
}

.timeline {
    display: grid;
    gap: 18px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: var(--surface-strong);
    box-shadow: 0 14px 34px rgba(23, 32, 51, 0.05);
}

.step {
    display: grid;
    place-items: center;
    width: 64px;
    aspect-ratio: 1;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent), #fb923c);
    color: #fff7ed;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.detail-list {
    margin: 18px 0 0;
    padding-left: 20px;
    color: var(--muted);
    line-height: 1.8;
}

.callout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
    gap: 24px;
    align-items: center;
    padding: 30px;
    border: 1px solid rgba(23, 32, 51, 0.16);
    border-radius: calc(var(--radius-xl) - 2px);
    background:
        radial-gradient(circle at right top, rgba(14, 165, 233, 0.12), transparent 28%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 247, 237, 0.98));
    box-shadow: var(--shadow);
}

.link-stack {
    display: grid;
    gap: 12px;
}

.link-stack a {
    display: block;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.74);
    text-decoration: none;
    font-weight: 700;
}

@media (max-width: 980px) {
    .hero,
    .intro-grid,
    .split-layout,
    .callout,
    .card-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 22px;
    }
}

@media (max-width: 640px) {
    .page-shell {
        width: min(calc(100% - 20px), var(--max-width));
        padding-top: 16px;
        padding-bottom: 40px;
    }

    .hero,
    .panel,
    .timeline-item,
    .feature-card,
    .callout {
        padding: 20px;
    }

    .hero h1 {
        font-size: clamp(2.5rem, 18vw, 4rem);
    }

    .hero-text {
        font-size: 1rem;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }
}