:root {
    --bg: #f4efe6;
    --bg-strong: #e6d6bd;
    --surface: rgba(255, 250, 240, 0.82);
    --surface-strong: #fff8ee;
    --ink: #1d1a17;
    --muted: #5d554c;
    --line: rgba(29, 26, 23, 0.12);
    --accent: #bc5f2e;
    --accent-soft: #e8bc91;
    --accent-ink: #6f3313;
    --olive: #687255;
    --ink-card: #1f2835;
    --stone: #7f6d57;
    --shadow: 0 18px 50px rgba(77, 43, 20, 0.12);
    --radius: 28px;
    --radius-small: 18px;
    --content-width: 1180px;
    --sans: "Avenir Next", "Segoe UI", sans-serif;
    --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
    --mono: "SFMono-Regular", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--sans);
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.8), transparent 28%),
        radial-gradient(circle at top right, rgba(188, 95, 46, 0.12), transparent 24%),
        linear-gradient(180deg, #fbf8f2 0%, var(--bg) 40%, #eee4d2 100%);
    min-height: 100vh;
}

img,
video {
    max-width: 100%;
    display: block;
}

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

button {
    font: inherit;
}

.site-shell {
    width: min(calc(100% - 32px), var(--content-width));
    margin: 0 auto 80px;
}

.topbar {
    position: sticky;
    top: 12px;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 18px;
    padding: 14px 18px;
    border: 1px solid var(--line);
    border-radius: 999px;
    backdrop-filter: blur(14px);
    background: rgba(250, 244, 235, 0.78);
    box-shadow: var(--shadow);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fff9f2;
    background: linear-gradient(145deg, #be6331, #8f3f17);
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.1;
}

.brand-copy strong {
    font-size: 0.95rem;
}

.brand-copy span {
    font-size: 0.82rem;
    color: var(--muted);
}

.topnav {
    display: inline-flex;
    gap: 18px;
    color: var(--muted);
    font-size: 0.95rem;
}

.topnav a:hover,
.topnav a:focus-visible {
    color: var(--ink);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: linear-gradient(135deg, #ba5b29, #8b3e19);
    color: #fff7ef;
    box-shadow: 0 14px 30px rgba(139, 62, 25, 0.24);
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 18px 36px rgba(139, 62, 25, 0.28);
}

.button-ghost {
    border-color: var(--line);
    color: var(--ink);
    background: rgba(255, 251, 244, 0.7);
    box-shadow: none;
}

.hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 34px;
    align-items: center;
    padding: 62px 0 40px;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--accent-ink);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-size: 0.77rem;
    font-weight: 700;
}

.hero h1,
.section-heading h2,
.download-copy h2 {
    margin: 0;
    font-family: var(--serif);
    font-size: clamp(2.8rem, 6vw, 5.4rem);
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.lede,
.section-heading p,
.download-copy p {
    color: var(--muted);
    font-size: 1.06rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 30px 0 24px;
}

.hero-points {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 0;
    list-style: none;
    color: var(--muted);
}

.hero-points li::before,
.feature-card li::before,
#recipe-points li::before {
    content: "•";
    color: var(--accent);
    margin-right: 10px;
}

.hero-panel {
    position: relative;
    padding: 28px;
    border: 1px solid rgba(27, 20, 16, 0.08);
    border-radius: calc(var(--radius) + 8px);
    overflow: hidden;
    background:
        linear-gradient(145deg, rgba(255, 251, 245, 0.96), rgba(239, 229, 214, 0.92));
    box-shadow: var(--shadow);
}

.signal-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(29, 26, 23, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29, 26, 23, 0.05) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.3), transparent 80%);
}

.terminal-card,
.stat-strip article,
.feature-card,
.media-card,
.recipe-panel,
.architecture-grid article,
.download-card,
.install-matrix article,
.faq-list details {
    position: relative;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.terminal-card {
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.terminal-top {
    display: flex;
    gap: 8px;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: #181512;
}

.terminal-top span {
    width: 12px;
    height: 12px;
    border-radius: 999px;
}

.terminal-top span:nth-child(1) { background: #ff7f50; }
.terminal-top span:nth-child(2) { background: #f7bf4f; }
.terminal-top span:nth-child(3) { background: #7ecb72; }

.terminal-body {
    background: #161311;
    color: #f8ecdd;
}

.terminal-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 18px 0;
}

.terminal-tab,
.recipe-tab,
.copy-button {
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 9px 14px;
    background: rgba(255, 255, 255, 0.06);
    color: inherit;
    transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.terminal-tab.is-active,
.recipe-tab.is-active {
    border-color: rgba(255, 238, 221, 0.2);
    background: rgba(255, 239, 220, 0.12);
}

.terminal-code,
.recipe-code-block pre,
.install-matrix pre {
    margin: 0;
    white-space: pre-wrap;
    font-family: var(--mono);
    font-size: 0.95rem;
    line-height: 1.7;
}

.terminal-code {
    min-height: 330px;
    padding: 18px;
}

.stat-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 16px;
}

.stat-strip article {
    padding: 18px;
    border-radius: 22px;
}

.stat-strip strong {
    display: block;
    font-size: 1.65rem;
    font-family: var(--serif);
}

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

.proof-band {
    margin: 4px 0 46px;
    overflow: hidden;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.proof-band div {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    padding: 18px 0;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
}

.proof-band span::after {
    content: "/";
    margin-left: 14px;
    color: var(--accent-soft);
}

.section {
    padding: 46px 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 28px;
}

.section-heading h2,
.download-copy h2 {
    font-size: clamp(2.1rem, 4vw, 3.8rem);
    margin-bottom: 14px;
}

.feature-grid,
.showcase-grid,
.architecture-grid,
.download-grid,
.install-matrix {
    display: grid;
    gap: 18px;
}

.feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.media-card,
.architecture-grid article,
.download-card,
.install-matrix article {
    padding: 24px;
}

.feature-card h3,
.download-card h3,
.recipe-copy h3,
.architecture-grid h3 {
    margin: 0 0 10px;
    font-size: 1.3rem;
}

.feature-card p,
.feature-card li,
.architecture-grid p,
.download-card p,
.faq-list p {
    color: var(--muted);
    line-height: 1.65;
}

.feature-card ul,
#recipe-points {
    padding: 0;
    margin: 16px 0 0;
    list-style: none;
}

.accent-copper {
    background: linear-gradient(180deg, rgba(255, 243, 232, 0.96), rgba(248, 232, 218, 0.82));
}

.accent-olive {
    background: linear-gradient(180deg, rgba(246, 250, 240, 0.96), rgba(232, 239, 224, 0.82));
}

.accent-ink {
    background: linear-gradient(180deg, rgba(236, 241, 248, 0.96), rgba(223, 229, 239, 0.82));
}

.accent-stone {
    background: linear-gradient(180deg, rgba(251, 245, 236, 0.96), rgba(240, 232, 220, 0.82));
}

.showcase-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
    align-items: start;
}

.media-card {
    overflow: hidden;
}

.card-topline {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.media-card video,
.media-card img {
    width: 100%;
    border-radius: 18px;
    border: 1px solid rgba(29, 26, 23, 0.08);
}

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

.recipe-tab {
    border-color: var(--line);
    background: rgba(255, 250, 242, 0.8);
}

.recipe-panel {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 18px;
    padding: 18px;
}

.recipe-copy {
    padding: 12px 6px 12px 12px;
}

.recipe-code-block {
    position: relative;
    padding: 20px;
    border-radius: 24px;
    background: #181512;
    color: #f8ecdd;
}

.copy-button {
    position: absolute;
    top: 14px;
    right: 14px;
    border-color: rgba(255, 255, 255, 0.12);
    color: #f8ecdd;
}

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

.architecture-grid span {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--accent-ink);
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-list details {
    padding: 22px 24px;
}

.faq-list summary {
    cursor: pointer;
    list-style: none;
    font-weight: 700;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list p {
    margin: 14px 0 0;
}

.section-download {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 26px;
    align-items: start;
}

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

.version {
    margin: 0 0 12px;
    color: var(--accent-ink);
    font-family: var(--serif);
    font-size: 1.35rem;
}

.install-matrix {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.install-matrix pre {
    padding: 14px 16px;
    border-radius: 16px;
    overflow-x: auto;
    background: #181512;
    color: #f8ecdd;
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 480ms ease, transform 480ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (max-width: 1080px) {
    .hero,
    .section-download,
    .recipe-panel,
    .showcase-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid,
    .download-grid,
    .install-matrix {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 780px) {
    .site-shell {
        width: min(calc(100% - 20px), var(--content-width));
    }

    .topbar {
        position: static;
        flex-wrap: wrap;
        border-radius: 28px;
    }

    .topnav {
        order: 3;
        width: 100%;
        justify-content: space-between;
    }

    .feature-grid,
    .architecture-grid,
    .download-grid,
    .install-matrix,
    .stat-strip {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 34px;
    }

    .hero h1 {
        font-size: clamp(2.7rem, 14vw, 4rem);
    }

    .terminal-code {
        min-height: 280px;
    }
}