:root {
    color-scheme: dark;
    --bg: #060a13;
    --panel: #0b1321;
    --panel-raised: #101b2c;
    --line: rgba(148, 163, 184, 0.14);
    --line-strong: rgba(148, 163, 184, 0.24);
    --text: #e7eef9;
    --muted: #8b9ab0;
    --muted-soft: #627188;
    --accent: #38e0c8;
    --accent-soft: rgba(56, 224, 200, 0.12);
    --blue: #5ea8ff;
    --violet: #a78bfa;
    --warn: #ffc857;
    --danger: #ff6b81;
    --mono: "Cascadia Code", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
        radial-gradient(1000px 600px at 8% -8%, rgba(56, 224, 200, 0.12), transparent 60%),
        radial-gradient(900px 540px at 100% 4%, rgba(94, 168, 255, 0.1), transparent 60%),
        radial-gradient(700px 500px at 50% 110%, rgba(167, 139, 250, 0.06), transparent 60%),
        var(--bg);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: radial-gradient(circle at 50% 0%, black, transparent 72%);
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: #8ff5e6;
}

code {
    font-family: var(--mono);
    font-size: 0.88em;
    padding: 0.12em 0.38em;
    border-radius: 5px;
    background: rgba(148, 163, 184, 0.11);
    color: #cfe0f5;
}

.page {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

/* --------------------------------------------------------------- */
/* Navigation                                                       */
/* --------------------------------------------------------------- */

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 26px 0;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 650;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

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

.logo-mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    color: var(--accent);
    background: linear-gradient(145deg, rgba(56, 224, 200, 0.15), rgba(94, 168, 255, 0.08)), var(--panel);
    border: 1px solid rgba(56, 224, 200, 0.28);
    box-shadow: 0 0 24px rgba(56, 224, 200, 0.1);
}

.logo-mark svg {
    width: 20px;
    height: 20px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
    font-size: 0.85rem;
}

.nav-links a {
    color: var(--muted);
    transition: color 0.16s ease;
}

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

.nav-links .nav-cta {
    padding: 8px 15px;
    border-radius: 8px;
    border: 1px solid rgba(56, 224, 200, 0.34);
    background: var(--accent-soft);
    color: #c9fff7;
    font-weight: 500;
}

.nav-links .nav-cta:hover {
    color: #ffffff;
    background: rgba(56, 224, 200, 0.18);
    border-color: rgba(56, 224, 200, 0.55);
}

/* --------------------------------------------------------------- */
/* Hero                                                             */
/* --------------------------------------------------------------- */

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
    padding: clamp(36px, 7vw, 86px) 0 clamp(48px, 8vw, 96px);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 11px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(11, 19, 33, 0.7);
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.67rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px rgba(56, 224, 200, 0.14), 0 0 10px rgba(56, 224, 200, 0.9);
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

.hero h1 {
    margin: 20px 0 18px;
    font-size: clamp(2.35rem, 5.6vw, 4.15rem);
    line-height: 1.04;
    letter-spacing: -0.035em;
    font-weight: 680;
}

.hero h1 span {
    background: linear-gradient(100deg, var(--accent), var(--blue) 70%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.lede {
    max-width: 54ch;
    margin: 0 0 28px;
    color: var(--muted);
    font-size: clamp(0.98rem, 1.4vw, 1.08rem);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 42px;
    padding: 0 18px;
    border-radius: 9px;
    border: 1px solid transparent;
    font-family: var(--sans);
    font-size: 0.88rem;
    font-weight: 550;
    cursor: pointer;
    transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.button:active {
    transform: translateY(1px);
}

.button.primary {
    background: linear-gradient(135deg, var(--accent), #5dd6ff);
    border-color: rgba(255, 255, 255, 0.14);
    color: #041018;
    box-shadow: 0 10px 30px -10px rgba(56, 224, 200, 0.5);
}

.button.primary:hover {
    color: #02080d;
    filter: brightness(1.06);
}

.button.primary svg {
    width: 17px;
    height: 17px;
}

.button.ghost {
    border-color: var(--line-strong);
    background: rgba(11, 19, 33, 0.7);
    color: var(--text);
}

.button.ghost:hover {
    border-color: rgba(56, 224, 200, 0.4);
    background: rgba(56, 224, 200, 0.07);
}

.button.small {
    height: 36px;
    padding: 0 14px;
    font-size: 0.8rem;
}

.fineprint {
    margin: 18px 0 0;
    color: var(--muted-soft);
    font-size: 0.78rem;
}

/* Code panel */

.hero-panel {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #05080f;
    box-shadow: 0 40px 100px -40px rgba(0, 0, 0, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transform: rotate(0.35deg);
}

.panel-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 14px;
    height: 38px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    background: linear-gradient(180deg, rgba(17, 28, 46, 0.9), rgba(10, 16, 29, 0.9));
    font-family: var(--mono);
    font-size: 0.66rem;
    color: var(--muted-soft);
}

.dots {
    display: flex;
    gap: 6px;
}

.dots i {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #263246;
}

.dots i:nth-child(1) {
    background: #ff5f57;
}

.dots i:nth-child(2) {
    background: #febc2e;
}

.dots i:nth-child(3) {
    background: #28c840;
}

.panel-head > span:nth-child(2) {
    flex: 1;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.panel-badge {
    padding: 2px 7px;
    border-radius: 999px;
    border: 1px solid rgba(56, 224, 200, 0.26);
    color: var(--accent);
    font-size: 0.55rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.code {
    margin: 0;
    padding: 20px 20px 22px;
    overflow-x: auto;
    font-family: var(--mono);
    font-size: 0.8rem;
    line-height: 1.75;
    color: #b9c9dd;
}

.code code {
    padding: 0;
    background: none;
    color: inherit;
    font-size: inherit;
}

.code .prompt {
    color: var(--accent);
    user-select: none;
}

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

.panel-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    border-top: 1px solid rgba(148, 163, 184, 0.08);
    color: var(--muted-soft);
    font-family: var(--mono);
    font-size: 0.62rem;
}

.panel-foot span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.status-light {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px rgba(56, 224, 200, 0.8);
}

/* --------------------------------------------------------------- */
/* Sections                                                         */
/* --------------------------------------------------------------- */

.section {
    padding: clamp(44px, 7vw, 78px) 0;
    border-top: 1px solid rgba(148, 163, 184, 0.09);
}

.section-head {
    max-width: 720px;
    margin-bottom: 34px;
}

.section-tag {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--accent);
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.section-head h2 {
    margin: 0 0 10px;
    font-size: clamp(1.55rem, 3vw, 2.1rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-weight: 650;
}

.section-head p {
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
}

/* Stack cards */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(16, 27, 44, 0.72), rgba(8, 14, 25, 0.72));
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
    border-color: rgba(56, 224, 200, 0.28);
    transform: translateY(-2px);
}

.card-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 11px;
    border: 1px solid var(--line);
    background: var(--panel-raised);
}

.card-icon svg {
    width: 22px;
    height: 22px;
}

.card-icon.alpine {
    color: var(--blue);
}

.card-icon.php {
    color: var(--violet);
}

.card-icon.apache {
    color: var(--accent);
}

.card-icon.opencode {
    color: #eaf4ff;
    border-color: rgba(94, 168, 255, 0.42);
    background: linear-gradient(135deg, rgba(94, 168, 255, 0.24), rgba(56, 224, 200, 0.14));
}

.card-icon.python {
    color: #ffd98a;
    border-color: rgba(255, 217, 138, 0.34);
    background: linear-gradient(135deg, rgba(255, 217, 138, 0.16), rgba(94, 168, 255, 0.08));
}

.card-icon.go {
    color: #7df0e1;
    border-color: rgba(125, 240, 225, 0.34);
    background: linear-gradient(135deg, rgba(125, 240, 225, 0.16), rgba(56, 224, 200, 0.08));
}

.card-icon.cpp {
    color: #8bc2ff;
    border-color: rgba(139, 194, 255, 0.34);
    background: linear-gradient(135deg, rgba(139, 194, 255, 0.18), rgba(94, 168, 255, 0.08));
}

.card-icon.sqlite {
    color: #ddb8ff;
    border-color: rgba(221, 184, 255, 0.34);
    background: linear-gradient(135deg, rgba(221, 184, 255, 0.16), rgba(94, 168, 255, 0.08));
}

.card-glyph {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.card h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.version {
    margin: 3px 0 0;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.72rem;
    word-break: break-word;
}

.card-text {
    margin: 0;
    color: var(--muted);
    font-size: 0.86rem;
}

/* Runtime */

.runtime-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: 18px;
    align-items: start;
}

.table-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(8, 14, 25, 0.72);
}

.table-head {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 16px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--line);
    color: var(--muted-soft);
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.runtime-table {
    margin: 0;
}

.runtime-table > div {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 16px;
    padding: 13px 20px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.07);
    font-size: 0.84rem;
}

.runtime-table > div:last-child {
    border-bottom: 0;
}

.runtime-table dt {
    color: var(--muted);
}

.runtime-table dd {
    margin: 0;
    color: var(--text);
    font-family: var(--mono);
    font-size: 0.78rem;
    overflow-wrap: anywhere;
}

.side-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.callout {
    display: flex;
    gap: 14px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel);
}

.callout.ok {
    border-color: rgba(56, 224, 200, 0.24);
    background: linear-gradient(160deg, rgba(56, 224, 200, 0.09), rgba(8, 14, 25, 0.5));
}

.callout.warn {
    border-color: rgba(255, 200, 87, 0.26);
    background: linear-gradient(160deg, rgba(255, 200, 87, 0.08), rgba(8, 14, 25, 0.5));
}

.callout-icon {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    font-family: var(--mono);
    font-size: 0.85rem;
    font-weight: 700;
}

.callout.ok .callout-icon {
    color: #042019;
    background: var(--accent);
}

.callout.warn .callout-icon {
    color: #241800;
    background: var(--warn);
}

.callout h3 {
    margin: 0 0 5px;
    font-size: 0.9rem;
    font-weight: 600;
}

.callout p {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.55;
}

.terminal-card {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(8, 14, 25, 0.72);
}

.terminal-label {
    display: block;
    margin-bottom: 8px;
    color: var(--muted-soft);
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.terminal-card p {
    margin: 0 0 14px;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: #bdd0e7;
    overflow-wrap: anywhere;
}

.small-label {
    font-size: 0.72rem;
}

/* Demo */

.demo {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(16, 27, 44, 0.6), rgba(8, 14, 25, 0.6));
}

.demo-form label {
    display: block;
    margin-bottom: 9px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.input-row {
    display: flex;
    gap: 10px;
}

.input-row input {
    flex: 1;
    min-width: 0;
    height: 42px;
    padding: 0 13px;
    border-radius: 9px;
    border: 1px solid var(--line-strong);
    background: #060b14;
    color: var(--text);
    font-family: var(--sans);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.input-row input::placeholder {
    color: var(--muted-soft);
}

.input-row input:focus {
    border-color: rgba(56, 224, 200, 0.55);
    box-shadow: 0 0 0 3px rgba(56, 224, 200, 0.1);
}

.demo-output {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    padding-left: 24px;
    border-left: 1px solid var(--line);
}

.demo-result {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    background: linear-gradient(100deg, var(--accent), var(--blue));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    overflow-wrap: anywhere;
}

.demo-placeholder {
    color: var(--muted);
    font-size: 0.9rem;
}

.demo-meta {
    color: var(--muted-soft);
    font-family: var(--mono);
    font-size: 0.68rem;
}

/* Quickstart */

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

.snippet {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #05080f;
}

.snippet-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    background: rgba(17, 28, 46, 0.7);
    color: var(--muted-soft);
    font-family: var(--mono);
    font-size: 0.66rem;
}

.copy {
    padding: 4px 9px;
    border-radius: 6px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.62rem;
    cursor: pointer;
    transition: color 0.16s ease, border-color 0.16s ease;
}

.copy:hover {
    color: var(--accent);
    border-color: rgba(56, 224, 200, 0.4);
}

.snippet pre {
    margin: 0;
    padding: 18px;
    overflow-x: auto;
    font-family: var(--mono);
    font-size: 0.78rem;
    line-height: 1.75;
    color: #b9c9dd;
}

.snippet code {
    padding: 0;
    background: none;
    color: inherit;
    font-size: inherit;
}

/* Footer */

.footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding: 28px 0 36px;
    border-top: 1px solid rgba(148, 163, 184, 0.09);
    color: var(--muted-soft);
    font-family: var(--mono);
    font-size: 0.66rem;
}

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

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

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

/* --------------------------------------------------------------- */
/* Responsive                                                       */
/* --------------------------------------------------------------- */

@media (max-width: 960px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .hero-panel {
        transform: none;
    }

    .runtime-grid,
    .demo {
        grid-template-columns: 1fr;
    }

    .demo-output {
        padding: 18px 0 0;
        border-left: 0;
        border-top: 1px solid var(--line);
    }
}

@media (max-width: 760px) {
    .page {
        width: min(1180px, calc(100% - 28px));
    }

    .nav {
        padding: 20px 0;
    }

    .nav-links {
        gap: 16px;
    }

    .nav-links a:not(.nav-cta) {
        display: none;
    }

    .cards,
    .quickstart {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 46px 0;
    }

    .runtime-table > div,
    .table-head {
        grid-template-columns: 1fr 1.4fr;
        padding-left: 16px;
        padding-right: 16px;
    }

    .input-row {
        flex-direction: column;
    }

    .input-row .button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .actions .button {
        width: 100%;
    }

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

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

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}