* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --base: #faf4ed;
    --surface: #fffaf3;
    --overlay: #f2e9e1;
    --muted: #9893a5;
    --subtle: #797593;
    --text: #575279;
    --love: #b4637a;
    --gold: #ea9d34;
    --rose: #d7827e;
    --pine: #286983;
    --foam: #56949f;
    --iris: #907aa9;
    --hl-low: #f4ede8;
    --hl-med: #dfdad9;
    --hl-high: #cecacd;

    /* terminal uses rose pine main */
    --t-base: #191724;
    --t-surface: #1f1d2e;
    --t-text: #e0def4;
    --t-muted: #6e6a86;
    --t-love: #eb6f92;
    --t-gold: #f6c177;
    --t-rose: #ebbcba;
    --t-pine: #31748f;
    --t-foam: #9ccfd8;
    --t-iris: #c4a7e7;
}

html {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--base);
    color: var(--text);
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* nav */

nav {
    position: sticky;
    top: 0;
    background: var(--base);
    border-bottom: 1px solid var(--hl-med);
    z-index: 10;
}

.nav-inner {
    max-width: 860px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--subtle);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.15s;
}

.nav-links a:hover {
    color: var(--text);
}

/* sections */

section {
    max-width: 860px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

/* hero */

.hero {
    padding-top: 6rem;
    padding-bottom: 3rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text);
}

.subtitle {
    color: var(--subtle);
    font-size: 1.1rem;
    max-width: 520px;
    margin: 0 auto 2rem;
}

.install-prompt {
    display: inline-block;
}

.install-prompt code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    background: var(--surface);
    border: 1px solid var(--hl-med);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    color: var(--pine);
    user-select: all;
}

/* terminal demo */

.demo {
    padding-top: 0;
    padding-bottom: 4rem;
}

.terminal {
    background: var(--t-base);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(87, 82, 121, 0.1);
}

.terminal-bar {
    padding: 12px 16px;
    display: flex;
    gap: 6px;
    align-items: center;
    background: var(--t-surface);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: var(--t-love); }
.dot.yellow { background: var(--t-gold); }
.dot.green { background: var(--t-foam); }

.terminal-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--t-muted);
    margin-left: auto;
    margin-right: auto;
}

.terminal pre {
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
}

.terminal code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--t-text);
    line-height: 1.7;
}

.t-prompt { color: var(--t-foam); }
.t-muted { color: var(--t-muted); }
.t-pine { color: var(--t-pine); }
.t-foam { color: var(--t-foam); }
.t-gold { color: var(--t-gold); }
.t-rose { color: var(--t-rose); }
.t-iris { color: var(--t-iris); }
.t-love { color: var(--t-love); }

/* features */

.features {
    padding-top: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.feature {
    padding: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--hl-med);
    border-radius: 8px;
    transition: border-color 0.15s;
}

.feature:hover {
    border-color: var(--subtle);
}

.feature-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--muted);
    display: block;
    margin-bottom: 0.75rem;
}

.feature h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.feature p {
    font-size: 0.875rem;
    color: var(--subtle);
    line-height: 1.5;
}

/* usage tabs */

.usage h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--hl-med);
    overflow-x: auto;
}

.tab {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.6rem 1.2rem;
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.tab:hover {
    color: var(--text);
}

.tab.active {
    color: var(--pine);
    border-bottom-color: var(--pine);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.code-block {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--hl-med);
}

.code-header {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    padding: 0.6rem 1rem;
    background: var(--overlay);
    border-bottom: 1px solid var(--hl-med);
}

.code-block pre {
    background: var(--t-base);
    padding: 1rem 1.25rem;
    overflow-x: auto;
}

.code-block code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--t-text);
    line-height: 1.7;
}

/* benchmark */

.benchmark {
    text-align: center;
}

.benchmark h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.bench-sub {
    color: var(--subtle);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.bench-sub a {
    color: var(--pine);
    text-decoration: underline;
    text-underline-offset: 2px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

thead th {
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--hl-med);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
}

tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--hl-low);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text);
}

tbody td:first-child {
    font-family: 'Inter', sans-serif;
}

.result {
    font-weight: 600;
    color: var(--pine);
}

/* install */

.install {
    text-align: center;
}

.install h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.install-option {
    background: var(--surface);
    border: 1px solid var(--hl-med);
    border-radius: 8px;
    padding: 1.25rem;
    text-align: left;
    transition: border-color 0.15s;
}

.install-option:hover {
    border-color: var(--subtle);
}

.install-option h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.install-option code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--pine);
    user-select: all;
}

.install-option code a {
    color: var(--pine);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* footer */

footer {
    border-top: 1px solid var(--hl-med);
    margin-top: 2rem;
}

.footer-inner {
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.15s;
}

.footer-links a:hover {
    color: var(--text);
}

/* responsive */

@media (max-width: 700px) {
    .hero h1 {
        font-size: 1.75rem;
    }

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

    .install-grid {
        grid-template-columns: 1fr;
    }

    .tabs {
        justify-content: flex-start;
    }
}