/* ============================================================
   trm — Marketing Website Stylesheet
   Dark theme, monospace-forward design
   ============================================================ */

/* --- Reset & Base --- */

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

:root {
    --bg:             #010409;
    --bg-surface:     #0d1117;
    --bg-elevated:    #161b22;
    --border:         #30363d;
    --border-focus:   #58a6ff;
    --text:           #e6edf3;
    --text-muted:     #8b949e;
    --text-subtle:    #484f58;
    --accent:         #58a6ff;
    --accent-fg:      #010409;
    --green:          #3fb950;
    --red:            #ff7b72;
    --yellow:         #d29922;
    --magenta:        #bc8cff;
    --cyan:           #39d353;
    --mono: "SF Mono", "JetBrains Mono", "Fira Code", "Cascadia Code", "Menlo", "Consolas", monospace;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --radius: 8px;
    --max-width: 1200px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--mono);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s;
}

a:hover {
    color: #79c0ff;
}

img {
    max-width: 100%;
    height: auto;
}

code,
pre {
    font-family: var(--mono);
}

code {
    background: var(--bg-elevated);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
}

pre {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    overflow-x: auto;
    font-size: 0.875rem;
    line-height: 1.55;
}

pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

/* --- Nav --- */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(1, 4, 9, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--mono);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
}

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

.nav-logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    vertical-align: middle;
}

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

.nav-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.15s;
}

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

.nav-github {
    background: var(--bg-elevated);
    padding: 0.35rem 0.9rem;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.nav-github:hover {
    border-color: var(--text-muted);
}

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

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-muted);
    border-radius: 2px;
}

/* --- Buttons --- */

.btn {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: var(--accent-fg);
}

.btn-primary:hover {
    background: #79c0ff;
    color: var(--accent-fg);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--text-muted);
    color: var(--text);
}

/* --- Hero --- */

.hero {
    position: relative;
    padding: 6rem 1.5rem 5rem;
    text-align: center;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(88, 166, 255, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 50% 0%, rgba(188, 140, 255, 0.05) 0%, transparent 60%);
}

.hero-inner {
    max-width: 720px;
    margin: 0 auto;
}

.hero-icon {
    margin-bottom: 2rem;
}

.hero-icon img {
    width: 320px;
    height: auto;
    border-radius: 16px;
    filter: drop-shadow(0 0 40px rgba(88, 166, 255, 0.3));
}

.hero-title {
    font-family: var(--mono);
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 50%, var(--magenta) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-tagline {
    font-family: var(--mono);
    font-size: 1.35rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
}

.hero-sub {
    margin-top: 1.25rem;
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.hero-install {
    margin-top: 2rem;
}

.hero-install-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-subtle);
    margin-bottom: 0.5rem;
}

.hero-install-cmd {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1.25rem;
    font-family: var(--mono);
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.15s;
    color: var(--green);
}

.hero-install-cmd:hover {
    border-color: var(--text-muted);
}

.hero-install-copy {
    color: var(--text-subtle);
    font-size: 1.1rem;
}

.hero-links {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Pitch --- */

.pitch {
    padding: 4rem 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-surface);
}

.pitch-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pitch-card {
    text-align: center;
    padding: 1.5rem;
}

.pitch-num {
    font-family: var(--mono);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--accent) 0%, var(--magenta) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.25rem;
}

.pitch-label {
    font-family: var(--mono);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.pitch-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --- Section --- */

.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-family: var(--mono);
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2.5rem;
}

/* --- Feature Grid --- */

.features {
    padding: 5rem 1.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: border-color 0.2s;
}

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

.feature-icon {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

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

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.feature-card code {
    font-size: 0.8rem;
}

/* --- Quick Start --- */

.quickstart {
    padding: 5rem 1.5rem;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.quickstart-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.quickstart-step {
    position: relative;
}

.quickstart-num {
    font-family: var(--mono);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-subtle);
    margin-bottom: 0.5rem;
}

.quickstart-step h3 {
    font-family: var(--mono);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.quickstart-step pre {
    font-size: 0.8rem;
}

/* --- Comparison --- */

.comparison {
    padding: 5rem 1.5rem;
}

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    font-family: var(--mono);
}

.comparison-table th,
.comparison-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.comparison-table thead th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border);
}

.comparison-table td:first-child {
    color: var(--text);
    font-weight: 500;
}

.comparison-table .highlight {
    background: rgba(88, 166, 255, 0.05);
}

.comparison-table thead th.highlight {
    color: var(--accent);
}

.comparison-table .yes {
    color: var(--green);
}

.comparison-table .no {
    color: var(--text-subtle);
}

/* --- CTA --- */

.cta {
    padding: 5rem 1.5rem;
    text-align: center;
    background:
        radial-gradient(ellipse 60% 50% at 50% 100%, rgba(88, 166, 255, 0.06) 0%, transparent 70%);
}

.cta h2 {
    font-family: var(--mono);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.cta p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.cta-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Docs Layout --- */

.docs-layout {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
    padding: 2.5rem 1.5rem 4rem;
    min-height: calc(100vh - 56px - 200px);
}

.docs-sidebar {
    position: sticky;
    top: 72px;
    align-self: start;
    max-height: calc(100vh - 88px);
    overflow-y: auto;
}

.docs-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.docs-nav h4 {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-subtle);
    margin-top: 1.25rem;
    margin-bottom: 0.25rem;
}

.docs-nav h4:first-child {
    margin-top: 0;
}

.docs-nav a {
    display: block;
    padding: 0.3rem 0.6rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    border-radius: 4px;
    transition: background 0.1s, color 0.1s;
}

.docs-nav a:hover {
    background: var(--bg-elevated);
    color: var(--text);
}

.docs-nav a.active {
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent);
}

/* --- Docs Content (Markdown) --- */

.docs-content {
    min-width: 0;
}

.docs-content h1 {
    font-family: var(--mono);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.docs-content h2 {
    font-family: var(--mono);
    font-size: 1.35rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.docs-content h3 {
    font-family: var(--mono);
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.docs-content h4 {
    font-family: var(--mono);
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.docs-content p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.docs-content ul,
.docs-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.docs-content li {
    margin-bottom: 0.35rem;
    line-height: 1.65;
}

.docs-content pre {
    margin-bottom: 1.25rem;
}

.docs-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
    background: var(--bg-surface);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-muted);
}

.docs-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
}

.docs-content th,
.docs-content td {
    padding: 0.6rem 0.85rem;
    text-align: left;
    border: 1px solid var(--border);
}

.docs-content th {
    background: var(--bg-elevated);
    font-weight: 600;
    font-family: var(--mono);
    font-size: 0.8rem;
}

.docs-content td code {
    font-size: 0.8rem;
}

.docs-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

/* --- Page List (Section template) --- */

.page-list {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.page-list-item {
    display: block;
    padding: 1.25rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.15s;
}

.page-list-item:hover {
    border-color: var(--accent);
}

.page-list-item h3 {
    font-family: var(--mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.page-list-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* --- Footer --- */

.footer {
    border-top: 1px solid var(--border);
    background: var(--bg-surface);
    padding: 3rem 1.5rem 2rem;
    margin-top: auto;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.footer-col h4 {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-subtle);
    margin-bottom: 0.4rem;
}

.footer-col a {
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-subtle);
}

/* --- Syntax Highlighting (base16-ocean-dark tones) --- */

pre code .keyword   { color: var(--magenta); }
pre code .string    { color: var(--green); }
pre code .comment   { color: var(--text-subtle); font-style: italic; }
pre code .function  { color: var(--accent); }
pre code .number    { color: var(--yellow); }
pre code .type      { color: var(--cyan); }

/* --- Responsive --- */

@media (max-width: 900px) {
    .pitch-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

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

    .comparison-table {
        font-size: 0.8rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem 0.6rem;
    }

    .docs-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .docs-sidebar {
        position: static;
        max-height: none;
    }

    .docs-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .docs-nav h4 {
        width: 100%;
        margin-top: 0.75rem;
    }

    .footer-cols {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .hero-tagline {
        font-size: 1.05rem;
    }

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

    .nav-links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 1rem 1.5rem;
        gap: 0.75rem;
    }

    .nav-links-open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 4rem 1.5rem 3rem;
    }

    .features,
    .quickstart,
    .comparison,
    .cta {
        padding: 3rem 1rem;
    }

    .section-title {
        font-size: 1.35rem;
    }
}