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

:root {
    --red: #c0392b;
    --red-light: #e74c3c;
    --red-dim: rgba(192, 57, 43, 0.15);
    --bg: #080808;
    --surface: #111111;
    --surface-2: #181818;
    --border: #222222;
    --text: #e2e2e2;
    --text-muted: #777777;
    --text-dim: #444444;
    --mono: 'JetBrains Mono', 'Consolas', monospace;
    --sans: 'Inter', system-ui, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--red-light);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: #fff;
}

/* ─── Nav ─────────────────────────────────────────────────── */

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 2rem;
    transition: background 0.3s, border-bottom 0.3s;
}

#navbar.scrolled {
    background: rgba(8, 8, 8, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.05em;
}
.nav-logo:hover { color: var(--red-light); }

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* ─── Buttons ─────────────────────────────────────────────── */

.btn {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-family: var(--sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
    white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
    background: var(--red);
    color: #fff;
    border: 1px solid var(--red);
}
.btn-primary:hover {
    background: var(--red-light);
    border-color: var(--red-light);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-outline:hover {
    border-color: #555;
    color: #fff;
}

.btn-large {
    padding: 0.85rem 2.5rem;
    font-size: 1rem;
}

.all-releases-link {
    display: inline-block;
    margin-top: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: color 0.2s;
}
.all-releases-link:hover { color: var(--text); }

/* ─── Hero ────────────────────────────────────────────────── */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 30%, rgba(192, 57, 43, 0.12) 0%, transparent 70%),
        var(--bg);
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 7rem 2rem 5rem;
    gap: 1.75rem;
}

.hero-banner {
    width: 100%;
    max-width: 680px;
    height: auto;
    border-radius: 6px;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 540px;
    line-height: 1.75;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent, var(--bg));
    z-index: 1;
}

/* ─── Shared section styles ───────────────────────────────── */

section {
    padding: 6rem 2rem;
}

.section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-sub {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 3rem;
}

/* ─── Downloads ───────────────────────────────────────────── */

.downloads {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.download-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    max-width: 540px;
}

.download-meta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.tag {
    background: var(--red-dim);
    color: var(--red-light);
    border: 1px solid rgba(192, 57, 43, 0.3);
    border-radius: 3px;
    padding: 0.2rem 0.65rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 500;
}

.tag-latest {
    background: rgba(95, 168, 95, 0.15);
    color: #5fa85f;
    border-color: rgba(95, 168, 95, 0.3);
}

/* ─── Version history ─────────────────────────────────────── */

.version-history {
    margin-top: 2.5rem;
    max-width: 860px;
}

.version-history-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    margin-bottom: 0.75rem;
}

.version-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.version-table th {
    text-align: left;
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}
.version-table th:first-child { padding-left: 0; }

.version-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #161616;
    vertical-align: middle;
    color: var(--text-muted);
}
.version-table td:first-child { padding-left: 0; }
.version-table tr:last-child td { border-bottom: none; }

.version-table td:first-child {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.version-table td:first-child code {
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--text);
}

.version-table td:last-child {
    text-align: right;
}

.ver-date {
    font-family: var(--mono);
    font-size: 0.8rem;
    white-space: nowrap;
}

.btn-sm {
    padding: 0.3rem 0.85rem;
    font-size: 0.8rem;
}

/* ─── Features ────────────────────────────────────────────── */

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

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s;
}
.feature-card:hover {
    border-color: #333;
}

.feature-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--red);
    opacity: 0;
    transition: opacity 0.2s;
}
.feature-card:hover .feature-accent {
    opacity: 1;
}

.feature-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.6rem;
    letter-spacing: 0.01em;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ─── Commands ────────────────────────────────────────────── */

.commands {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.cmd-group {
    margin-bottom: 2.5rem;
}
.cmd-group:last-child {
    margin-bottom: 0;
}

.cmd-group-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--red-light);
    margin-bottom: 0.75rem;
}

.cmd-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.cmd-table th {
    text-align: left;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}
.cmd-table th:first-child { padding-left: 0; }

.cmd-table td {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid #161616;
    vertical-align: top;
}
.cmd-table td:first-child { padding-left: 0; }

.cmd-table tr:last-child td {
    border-bottom: none;
}

.cmd-table td:first-child code {
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--text);
    background: var(--surface-2);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    border: 1px solid var(--border);
    white-space: nowrap;
}

.cmd-table td:last-child {
    color: var(--text-muted);
}

/* ─── Install / Terminal ──────────────────────────────────── */

.install-section {
    background: var(--bg);
}

.install-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.install-text h2 {
    margin-bottom: 1rem;
}

.install-text p {
    color: var(--text-muted);
    line-height: 1.75;
}

.install-text code {
    font-family: var(--mono);
    font-size: 0.875rem;
    color: var(--text);
    background: var(--surface);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    border: 1px solid var(--border);
}

.terminal-block {
    background: #0e0e0e;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    font-family: var(--mono);
    font-size: 0.82rem;
}

.terminal-bar {
    background: #161616;
    border-bottom: 1px solid var(--border);
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.t-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    display: inline-block;
}

.t-title {
    margin-left: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.terminal-body {
    padding: 1.25rem 1.5rem;
    line-height: 1.8;
}

.terminal-body p {
    white-space: pre;
}

.t-prompt { color: var(--red-light); }
.t-cmd    { color: #fff; }
.t-out    { color: #aaa; }
.t-dim    { color: var(--text-dim); }
.t-green  { color: #5fa85f; }

.t-cursor {
    display: inline-block;
    color: var(--red-light);
    animation: blink 1.1s step-end infinite;
}

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

/* ─── Footer ──────────────────────────────────────────────── */

footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 2rem;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.footer-logo {
    font-family: var(--mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-dim);
}

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

.footer-links a {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.footer-links a:hover { color: var(--text); }

/* ─── Releases page ──────────────────────────────────────── */

.releases-page {
    padding-top: 8rem;
}

.release-entry {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.release-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.75rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    gap: 1rem;
    flex-wrap: wrap;
}

.release-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.release-version {
    font-family: var(--mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.release-meta {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.release-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--mono);
}

.release-body {
    padding: 1.5rem 1.75rem;
    background: var(--surface-2);
}

.release-body h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin-bottom: 0.75rem;
}

.release-body ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.release-body ul li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-left: 1rem;
    position: relative;
}

.release-body ul li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--text-dim);
}

.release-body code {
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--text);
    background: var(--surface);
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    border: 1px solid var(--border);
}

/* ─── Nav hamburger (hidden on desktop) ───────────────────── */

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

#navbar.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
#navbar.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}
#navbar.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ─── Responsive ──────────────────────────────────────────── */

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .install-inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 600px) {
    h2 { font-size: 1.6rem; }
    .features-grid { grid-template-columns: 1fr; }
    section { padding: 4rem 1.25rem; }
    .download-card { padding: 1.75rem 1.25rem; }

    /* Nav — hamburger menu */
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(8, 8, 8, 0.97);
        border-bottom: 1px solid var(--border);
        backdrop-filter: blur(12px);
        padding: 0.5rem 0;
    }
    #navbar.nav-open .nav-links { display: flex; }
    .nav-links a {
        font-size: 0.95rem;
        padding: 0.75rem 1.5rem;
        border-bottom: 1px solid var(--border);
    }
    .nav-links a:last-child { border-bottom: none; }

    /* Command tables — stack command above description */
    .cmd-table thead { display: none; }
    .cmd-table,
    .cmd-table tbody,
    .cmd-table tr,
    .cmd-table td { display: block; width: 100%; }
    .cmd-table tr {
        padding: 0.6rem 0;
        border-bottom: 1px solid var(--border);
    }
    .cmd-table tr:last-child { border-bottom: none; }
    .cmd-table td { padding: 0.15rem 0; border-bottom: none; }
    .cmd-table td:last-child { color: var(--text-muted); font-size: 0.82rem; }

    /* Version table — collapse into stacked cards */
    .version-table thead { display: none; }
    .version-table,
    .version-table tbody,
    .version-table tr,
    .version-table td { display: block; width: 100%; }
    .version-table tr {
        padding: 1rem 0;
        border-bottom: 1px solid var(--border);
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        gap: 0.25rem 0.75rem;
        align-items: start;
    }
    .version-table tr:last-child { border-bottom: none; }
    .version-table td { border-bottom: none; padding: 0; }
    .version-table td:nth-child(1) {
        grid-column: 1; grid-row: 1;
        display: flex; align-items: center; gap: 0.4rem;
    }
    .version-table td:nth-child(2) {
        grid-column: 1; grid-row: 2;
        font-size: 0.82rem;
    }
    .version-table td:nth-child(3) { display: none; }
    .version-table td:nth-child(4) {
        grid-column: 2; grid-row: 1 / 3;
        text-align: right;
        display: flex; align-items: center; justify-content: flex-end;
    }

    /* Terminal — reduce font size so content fits without horizontal scroll */
    .terminal-block { font-size: 0.7rem; overflow-x: hidden; }
    .terminal-body { min-width: 0; padding: 1rem; }

    /* Footer — stack vertically */
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}