:root {
    --background: #07111f;
    --background-deep: #040a13;
    --surface: #0d1a2b;
    --surface-raised: #112237;
    --border: rgba(148, 163, 184, 0.16);
    --border-bright: rgba(56, 189, 248, 0.35);
    --text: #edf5ff;
    --muted: #9db0c5;
    --blue: #38bdf8;
    --green: #34d399;
    --amber: #fbbf24;
    --content: 1120px;
    --radius: 18px;
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    overflow-x: hidden;
    background: var(--background);
    color: var(--text);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

a:focus-visible {
    outline: 3px solid var(--amber);
    outline-offset: 4px;
    border-radius: 4px;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    transform: translateY(-160%);
    border-radius: 8px;
    background: white;
    color: #07111f;
    font-weight: 700;
}

.skip-link:focus {
    transform: translateY(0);
}

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

.site-header {
    position: sticky;
    z-index: 20;
    top: 0;
    border-bottom: 1px solid var(--border);
    background: rgba(7, 17, 31, 0.88);
    backdrop-filter: blur(16px);
}

.nav-shell,
.brand,
.site-header nav,
.hero-actions,
.hero-facts,
.footer-brand,
footer nav {
    display: flex;
    align-items: center;
}

.nav-shell {
    min-height: 70px;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    gap: 10px;
    font-size: 1.08rem;
    font-weight: 750;
    letter-spacing: -0.02em;
}

.brand img {
    border-radius: 10px;
}

.site-header nav {
    gap: 28px;
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 600;
}

.site-header nav a:hover,
footer nav a:hover {
    color: var(--text);
}

.nav-github {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 9px;
    color: var(--text);
}

.hero {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    background:
        radial-gradient(circle at 78% 30%, rgba(56, 189, 248, 0.13), transparent 28rem),
        linear-gradient(180deg, #081525 0%, var(--background) 100%);
}

.hero::before {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
    background-size: 42px 42px;
    content: "";
    mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero-grid {
    position: relative;
    display: grid;
    min-height: 650px;
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
    align-items: center;
    gap: 72px;
    padding-block: 88px;
}

.eyebrow,
.section-label,
.model-name {
    margin: 0 0 16px;
    color: var(--blue);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 14px rgba(52, 211, 153, 0.75);
}

h1,
h2,
h3,
p {
    text-wrap: pretty;
}

h1 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 780;
    letter-spacing: -0.065em;
    line-height: 0.98;
}

h1 span {
    background: linear-gradient(100deg, var(--blue), var(--green));
    background-clip: text;
    color: transparent;
}

.hero-lede {
    max-width: 690px;
    margin: 28px 0 0;
    color: var(--muted);
    font-size: clamp(1.06rem, 2vw, 1.25rem);
}

.hero-actions {
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 0.94rem;
    font-weight: 750;
    transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    background: linear-gradient(110deg, #0ea5e9, #22c55e);
    color: #03111a;
}

.button-secondary {
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.035);
}

.button-secondary:hover,
.nav-github:hover {
    border-color: var(--border-bright);
    background: rgba(56, 189, 248, 0.06);
}

.hero-facts {
    flex-wrap: wrap;
    gap: 10px 26px;
    margin: 32px 0 0;
    padding: 0;
    color: #b9c8d8;
    font-size: 0.84rem;
    list-style: none;
}

.hero-facts li::before {
    margin-right: 8px;
    color: var(--green);
    content: "✓";
}

.hero-mark {
    position: relative;
    display: grid;
    place-items: center;
}

.hero-mark img {
    position: relative;
    width: min(100%, 290px);
    height: auto;
    filter: drop-shadow(0 26px 42px rgba(0, 0, 0, 0.45));
}

.logo-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.12);
    filter: blur(65px);
}

.section {
    padding-block: 110px;
}

.section-muted {
    border-block: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.018);
}

h2 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.25rem);
    letter-spacing: -0.045em;
    line-height: 1.08;
}

h3 {
    margin: 10px 0 8px;
    font-size: 1.12rem;
    letter-spacing: -0.02em;
}

.section-intro {
    max-width: 660px;
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 1.04rem;
}

.install-grid,
.example-grid,
.limitation-grid {
    display: grid;
    grid-template-columns: 0.86fr 1.14fr;
    align-items: center;
    gap: 72px;
}

.text-link {
    display: inline-block;
    margin-top: 24px;
    color: var(--blue);
    font-weight: 700;
}

.text-link:hover {
    color: #7dd3fc;
}

.text-link span {
    display: inline-block;
    transition: transform 150ms ease;
}

.text-link:hover span {
    transform: translateX(4px);
}

.code-card {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--background-deep);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.2);
}

.code-bar {
    display: flex;
    min-height: 46px;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    border-bottom: 1px solid var(--border);
    color: #71849b;
    font: 700 0.72rem ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

pre {
    margin: 0;
    padding: 25px;
    overflow: auto;
    color: #d6e3f2;
    font: 500 0.83rem/1.75 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    tab-size: 4;
}

.code-tag,
.code-keyword {
    color: #7dd3fc;
}

.code-string {
    color: #86efac;
}

.code-number {
    color: #fcd34d;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 48px;
}

.feature-card,
.model-card {
    min-height: 210px;
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(13, 26, 43, 0.68);
}

.feature-number {
    color: #52708d;
    font: 750 0.76rem ui-monospace, SFMono-Regular, Menlo, monospace;
}

.feature-card p,
.model-card p:not(.model-name),
.model-note,
.release-card > div > p:last-child {
    margin: 0;
    color: var(--muted);
    font-size: 0.93rem;
}

.example-grid {
    grid-template-columns: 0.72fr 1.28fr;
}

.code-card-wide pre {
    font-size: 0.76rem;
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 48px;
}

.model-card {
    min-height: 230px;
}

.model-card-accent {
    border-color: var(--border-bright);
    background: linear-gradient(150deg, rgba(56, 189, 248, 0.08), rgba(52, 211, 153, 0.035));
}

.model-name {
    margin-bottom: 24px;
}

.model-note {
    margin-top: 24px;
}

.release-card {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 34px 58px;
    padding: 44px;
    border: 1px solid var(--border-bright);
    border-radius: 24px;
    background:
        radial-gradient(circle at 100% 0%, rgba(52, 211, 153, 0.12), transparent 20rem),
        var(--surface);
}

.release-card > div > p:last-child {
    max-width: 660px;
    margin-top: 14px;
}

.release-card .button {
    grid-column: 2;
    justify-self: end;
}

.metrics {
    display: flex;
    grid-row: 1;
    grid-column: 2;
    gap: 32px;
    margin: 0;
}

.metrics div {
    min-width: 94px;
}

.metrics dt {
    color: var(--muted);
    font-size: 0.71rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.metrics dd {
    margin: 4px 0 0;
    font-size: 1.35rem;
    font-weight: 750;
}

.limitations {
    border-top: 1px solid var(--border);
    background: var(--background-deep);
}

.limitation-grid {
    align-items: start;
}

.limitation-grid ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.limitation-grid li {
    position: relative;
    padding: 15px 0 15px 27px;
    border-bottom: 1px solid var(--border);
    color: var(--muted);
}

.limitation-grid li::before {
    position: absolute;
    left: 2px;
    color: var(--amber);
    content: "—";
}

footer {
    padding-block: 34px;
    border-top: 1px solid var(--border);
    background: #030912;
}

.footer-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.footer-brand {
    gap: 12px;
}

.footer-brand img {
    border-radius: 9px;
}

.footer-brand strong,
.footer-brand span {
    display: block;
}

.footer-brand span {
    color: #6f8298;
    font-size: 0.78rem;
}

footer nav {
    flex-wrap: wrap;
    gap: 22px;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 600;
}

@media (max-width: 900px) {
    .site-header nav a:not(.nav-github) {
        display: none;
    }

    .hero-grid,
    .install-grid,
    .example-grid,
    .limitation-grid {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        min-height: 0;
        gap: 38px;
        padding-block: 80px;
    }

    .hero-mark {
        display: none;
    }

    .install-grid,
    .example-grid,
    .limitation-grid {
        gap: 42px;
    }

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

    .release-card {
        grid-template-columns: 1fr;
    }

    .metrics,
    .release-card .button {
        grid-row: auto;
        grid-column: 1;
        justify-self: start;
    }
}

@media (max-width: 620px) {
    .shell {
        width: min(calc(100% - 28px), var(--content));
    }

    .section {
        padding-block: 78px;
    }

    .hero-grid {
        padding-block: 66px;
    }

    h1 {
        font-size: clamp(2.85rem, 15vw, 4rem);
    }

    .feature-grid,
    .model-grid {
        grid-template-columns: 1fr;
    }

    .feature-card,
    .model-card {
        min-height: 0;
    }

    pre {
        padding: 20px;
        font-size: 0.73rem;
    }

    .metrics {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
    }

    .metrics div {
        min-width: 0;
    }

    .release-card {
        padding: 28px;
    }

    .footer-grid {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .button,
    .text-link span {
        transition: none;
    }
}