:root {
    color-scheme: dark;
    --bg: #0d1117;
    --bg-soft: #161b22;
    --bg-elevated: #21262d;
    --text: #f0f6fc;
    --muted: #8b949e;
    --line: #30363d;
    --green: #3fb950;
    --blue: #58a6ff;
    --pink: #db61a2;
    --yellow: #d29922;
    --shadow: 0 24px 80px rgba(0, 0, 0, .34);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.menu-open {
    overflow: hidden;
}

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

code,
pre {
    font-family: "JetBrains Mono", Consolas, monospace;
}

code {
    overflow-wrap: anywhere;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
    padding: 14px clamp(20px, 5vw, 72px);
    border-bottom: 1px solid transparent;
    transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}

.site-header.is-scrolled,
.site-header.menu-active {
    background: rgba(13, 17, 23, .9);
    border-color: var(--line);
    backdrop-filter: blur(16px);
}

.brand {
    position: relative;
    z-index: 22;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
}

.brand-mark {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: #fff;
}

.brand-mark svg {
    width: 22px;
    fill: #0d1117;
}

.menu-toggle {
    display: none;
    position: relative;
    z-index: 22;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg-elevated);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 19px;
    height: 2px;
    margin: 4px auto;
    border-radius: 999px;
    background: var(--text);
    transition: transform .22s ease, opacity .22s ease;
}

.menu-toggle.is-active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    min-height: 38px;
    padding: 10px 14px;
    border-radius: 8px;
    color: #c9d1d9;
    font-size: 14px;
    font-weight: 700;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    background: var(--bg-elevated);
    color: var(--text);
}

.nav-links .nav-cta {
    border: 1px solid var(--line);
    background: #238636;
    color: #fff;
}

.hero {
    position: relative;
    display: grid;
    min-height: 88svh;
    padding: 144px clamp(20px, 5vw, 72px) 96px;
    overflow: hidden;
    align-items: end;
    border-bottom: 1px solid var(--line);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(13, 17, 23, .28), #0d1117 95%),
        radial-gradient(circle at 74% 30%, rgba(88, 166, 255, .28), transparent 30%),
        radial-gradient(circle at 25% 65%, rgba(63, 185, 80, .22), transparent 28%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 78px clamp(16px, 4vw, 64px) auto auto;
    display: grid;
    width: min(560px, 82vw);
    grid-template-columns: repeat(6, 1fr);
    gap: 9px;
    opacity: .72;
    transform: rotate(-4deg);
}

.hero-grid span {
    height: 38px;
    border-radius: 6px;
    border: 1px solid rgba(48, 54, 61, .85);
    background: rgba(22, 27, 34, .86);
    animation: contribution 4s ease-in-out infinite;
}

.hero-grid span:nth-child(3n) {
    background: rgba(35, 134, 54, .75);
}

.hero-grid span:nth-child(5n) {
    background: rgba(88, 166, 255, .42);
}

.hero-grid span:nth-child(7n) {
    background: rgba(210, 153, 34, .52);
}

.terminal-scene {
    position: absolute;
    inset: 128px clamp(18px, 7vw, 110px) auto auto;
    width: min(620px, 76vw);
    height: 430px;
    pointer-events: none;
}

.scene-window {
    position: absolute;
    border: 1px solid rgba(139, 148, 158, .24);
    border-radius: 8px;
    background: rgba(13, 17, 23, .78);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.scene-window-main {
    right: 0;
    top: 40px;
    width: min(520px, 100%);
    padding: 18px;
    animation: floatMain 7s ease-in-out infinite;
}

.scene-window-main pre {
    margin: 16px 0 0;
    overflow: hidden;
    color: #c9d1d9;
    font-size: 14px;
    line-height: 1.75;
}

.scene-window-side {
    left: 0;
    bottom: 0;
    display: grid;
    gap: 10px;
    width: 230px;
    padding: 18px;
    color: #c9d1d9;
    animation: floatSide 8s ease-in-out infinite;
}

.scene-window-side strong {
    color: var(--text);
}

.scene-window-side span {
    padding: 9px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: rgba(33, 38, 45, .7);
    font: 12px "JetBrains Mono", Consolas, monospace;
}

.window-dots {
    display: flex;
    gap: 7px;
}

.window-dots i {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--line);
}

.window-dots i:nth-child(1) {
    background: #ff7b72;
}

.window-dots i:nth-child(2) {
    background: var(--yellow);
}

.window-dots i:nth-child(3) {
    background: var(--green);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--green);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1 {
    margin: 0;
    font-size: clamp(54px, 11vw, 132px);
    line-height: .86;
    letter-spacing: 0;
}

h2 {
    margin: 0;
    font-size: clamp(34px, 5vw, 64px);
    line-height: 1;
    letter-spacing: 0;
}

h3 {
    margin: 0 0 12px;
    font-size: 22px;
    letter-spacing: 0;
}

.hero-copy,
.section-heading p,
.yaml-copy p,
.step-card p,
.install-card p,
.footer {
    color: #c9d1d9;
    line-height: 1.7;
}

.hero-copy {
    max-width: 660px;
    margin: 26px 0 0;
    font-size: clamp(18px, 2vw, 22px);
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 13px 18px;
    border-radius: 8px;
    border: 1px solid var(--line);
    font-weight: 800;
    transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
    border-color: var(--blue);
}

.button.primary {
    border-color: #2ea043;
    background: #238636;
    color: #fff;
}

.button.secondary {
    background: rgba(33, 38, 45, .82);
    color: var(--text);
}

.button.dark {
    background: #0d1117;
}

.metrics-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid var(--line);
    background: #010409;
}

.metrics-band div {
    padding: 28px clamp(18px, 4vw, 52px);
    border-right: 1px solid var(--line);
}

.metrics-band div:last-child {
    border-right: 0;
}

.metrics-band strong,
.metrics-band span {
    display: block;
}

.metrics-band strong {
    font-size: 24px;
}

.metrics-band span {
    margin-top: 6px;
    color: var(--muted);
}

.section {
    padding: 96px clamp(20px, 5vw, 72px);
}

.section-heading {
    max-width: 860px;
}

.section-heading p {
    max-width: 760px;
    margin: 22px 0 0;
    font-size: 18px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 42px;
}

.step-card,
.install-card,
.yaml-preview {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg-soft);
    box-shadow: 0 18px 46px rgba(0, 0, 0, .18);
}

.step-card {
    position: relative;
    min-height: 230px;
    padding: 28px;
    overflow: hidden;
}

.step-card::after {
    content: "";
    position: absolute;
    left: 28px;
    right: 28px;
    bottom: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--green), var(--blue), var(--pink));
}

.step-number {
    display: inline-block;
    margin-bottom: 28px;
    color: var(--blue);
    font: 700 13px "JetBrains Mono", Consolas, monospace;
}

.install-section {
    background: linear-gradient(180deg, #0d1117, #161b22);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 42px;
}

.install-card {
    min-width: 0;
    padding: 26px;
}

.card-title {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.os-icon {
    display: grid;
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 8px;
    background: #0d1117;
    border: 1px solid var(--line);
    color: var(--green);
    font: 800 18px "JetBrains Mono", Consolas, monospace;
}

.install-card p {
    margin: 0;
}

.code-box {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    margin-top: 24px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #0d1117;
}

.code-box code {
    min-width: 0;
    color: #e6edf3;
    font-size: 13px;
    line-height: 1.55;
}

.copy-btn {
    min-height: 38px;
    padding: 9px 13px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--bg-elevated);
    color: var(--text);
    cursor: pointer;
    font-weight: 800;
}

.copy-btn:hover,
.copy-btn:focus-visible {
    border-color: var(--green);
}

.yaml-section {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(320px, 1fr);
    gap: 42px;
    align-items: center;
}

.yaml-copy p {
    margin: 22px 0 28px;
    font-size: 18px;
}

.yaml-preview {
    min-width: 0;
    overflow: hidden;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 18px;
    border-bottom: 1px solid var(--line);
    color: #c9d1d9;
    font: 700 13px "JetBrains Mono", Consolas, monospace;
}

.yaml-preview pre {
    margin: 0;
    padding: 22px;
    overflow: auto;
    color: #e6edf3;
    font-size: 14px;
    line-height: 1.75;
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 34px clamp(20px, 5vw, 72px);
    border-top: 1px solid var(--line);
    background: #010409;
}

.footer span:first-child {
    color: var(--text);
    font-weight: 800;
}

.toast {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 30;
    padding: 12px 15px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #238636;
    color: #fff;
    font-weight: 800;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
}

.toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

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

.ok {
    color: var(--green);
}

.accent {
    color: var(--blue);
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s ease, transform .7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes contribution {
    0%,
    100% {
        opacity: .55;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(-4px);
    }
}

@keyframes floatMain {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(-10px, 14px, 0);
    }
}

@keyframes floatSide {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(14px, -10px, 0);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
}

@media (max-width: 980px) {
    .steps,
    .install-grid,
    .yaml-section {
        grid-template-columns: 1fr;
    }

    .terminal-scene {
        opacity: .72;
    }

    .scene-window-side {
        display: none;
    }
}

@media (max-width: 760px) {
    .site-header {
        min-height: 64px;
        padding: 10px 16px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 64px;
        left: 12px;
        right: 12px;
        display: grid;
        gap: 8px;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: rgba(13, 17, 23, .96);
        box-shadow: var(--shadow);
        transform: translateY(-14px);
        opacity: 0;
        pointer-events: none;
        visibility: hidden;
        transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    }

    .nav-links.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
        visibility: visible;
    }

    .nav-links a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 48px;
        padding: 13px 14px;
        border: 1px solid var(--line);
        background: var(--bg-soft);
        font-size: 15px;
    }

    .nav-links .nav-cta {
        justify-content: center;
        background: #238636;
    }

    .hero {
        min-height: 92svh;
        padding: 128px 16px 64px;
    }

    .hero-grid {
        width: 112vw;
        right: -56px;
        top: 74px;
        gap: 7px;
        opacity: .48;
    }

    .hero-grid span {
        height: 30px;
    }

    .terminal-scene {
        inset: 126px -84px auto auto;
        width: 112vw;
        height: 300px;
        opacity: .42;
    }

    .scene-window-main {
        width: 430px;
        padding: 14px;
    }

    .scene-window-main pre {
        font-size: 11px;
        line-height: 1.65;
    }

    h1 {
        font-size: clamp(48px, 18vw, 78px);
        line-height: .92;
    }

    h2 {
        font-size: clamp(30px, 10vw, 44px);
    }

    h3 {
        font-size: 20px;
    }

    .hero-copy,
    .section-heading p,
    .yaml-copy p {
        font-size: 16px;
    }

    .hero-actions,
    .footer {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

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

    .metrics-band div {
        padding: 22px 16px;
        border-bottom: 1px solid var(--line);
    }

    .metrics-band div:nth-child(2n) {
        border-right: 0;
    }

    .metrics-band div:nth-last-child(-n + 2) {
        border-bottom: 0;
    }

    .section {
        padding: 72px 16px;
    }

    .step-card,
    .install-card {
        padding: 22px;
    }

    .card-title {
        gap: 12px;
    }

    .code-box {
        grid-template-columns: 1fr;
    }

    .copy-btn {
        width: 100%;
    }

    .yaml-preview pre {
        padding: 18px;
        font-size: 12px;
    }

    .toast {
        right: 16px;
        left: 16px;
        bottom: 16px;
        text-align: center;
    }
}

@media (max-width: 420px) {
    .brand {
        max-width: calc(100vw - 84px);
    }

    .brand span:last-child {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .hero {
        padding-top: 118px;
    }

    .metrics-band {
        grid-template-columns: 1fr;
    }

    .metrics-band div,
    .metrics-band div:nth-last-child(-n + 2) {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .metrics-band div:last-child {
        border-bottom: 0;
    }

    .card-title {
        align-items: stretch;
        flex-direction: column;
    }
}