/* Morse landing — VS Code dark palette */

:root {
    --bg: #1a1a1a;
    --bg-alt: #1f1f1f;
    --panel: #1c1c1c;
    --code-bg: #171717;
    --fg: #d4d4d4;
    --muted: #9d9d9d;
    --accent: #0e639c;
    --accent-hover: #1177bb;
    --link: #3794ff;
    --focus: #007fd4;
    --border: #2b2b2b;
    --kw: #4aa3ff;
    --str: #6fdc8c;
    --num: #e4a464;
    --mark: #c5c5c5;
    --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.shell { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }

/* ---------- header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(26, 26, 26, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

.nav-row {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 56px;
}

.brand {
    display: flex;
    align-items: baseline;
    gap: 10px;
    color: var(--fg);
    font-family: var(--mono);
    font-weight: 700;
    letter-spacing: 0.12em;
}
.brand:hover { text-decoration: none; }

.morse-mark {
    font-family: var(--mono);
    color: var(--mark);
    letter-spacing: 0.18em;
    font-weight: 400;
}

.version-badge {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1px 8px;
}

.nav-links { display: flex; gap: 20px; margin-left: auto; }
.nav-links a { color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--fg); text-decoration: none; }

.nav-cta { display: flex; gap: 10px; }

/* ---------- buttons ---------- */

.btn {
    display: inline-block;
    border-radius: 6px;
    padding: 7px 14px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color .15s, border-color .15s;
}
.btn:hover { text-decoration: none; }

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

.btn.ghost { background: transparent; color: var(--fg); border-color: var(--border); }
.btn.ghost:hover { border-color: var(--muted); }

.btn.lg { padding: 11px 22px; font-size: 15px; }
.btn.block { display: block; text-align: center; margin-top: auto; }

/* ---------- hero ---------- */

.hero { padding: 72px 0 64px; border-bottom: 1px solid var(--border); }

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
}

.eyebrow {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.14em;
    text-transform: lowercase;
    margin: 0 0 12px;
}

.hero h1 {
    font-size: clamp(30px, 5vw, 44px);
    line-height: 1.15;
    margin: 0 0 16px;
    font-weight: 700;
}

.lead { color: var(--muted); max-width: 52ch; margin: 0 0 24px; }
.lead a { color: var(--link); }

.hero-actions { display: flex; gap: 12px; margin-bottom: 28px; flex-wrap: wrap; }

/* morse easter egg */

.morse-egg {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel);
    padding: 14px 16px;
    max-width: 480px;
}
.morse-egg label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 8px;
    font-family: var(--mono);
}
.morse-egg-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

#morse-input {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--fg);
    font-family: var(--mono);
    font-size: 14px;
    padding: 7px 10px;
    width: 130px;
    outline: none;
}
#morse-input:focus { border-color: var(--focus); }

.morse-out {
    font-family: var(--mono);
    font-size: 15px;
    color: var(--kw);
    letter-spacing: 0.06em;
    min-height: 1.5em;
}

.morse-blink {
    margin: 10px 0 0;
    font-size: 20px;
    letter-spacing: 0.35em;
    color: var(--mark);
    height: 1.4em;
}

.morse-blink .on { color: var(--kw); }

/* hero terminal */

.hero-terminal {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.term-chrome {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 9px 12px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}
.term-chrome .dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #f14c4c; }
.dot.yellow { background: #e5e512; }
.dot.green { background: #23d18b; }
.term-title { margin-left: 8px; font-size: 12px; color: var(--muted); font-family: var(--mono); }

.term-body {
    margin: 0;
    padding: 18px 20px 22px;
    font-size: 13.5px;
    line-height: 1.65;
    overflow-x: auto;
}
.t-prompt { color: var(--muted); }
.t-accent { color: var(--kw); }
.t-dim { color: #6a6a6a; }
.t-num { color: var(--num); }
.t-str { color: var(--str); }
.t-link { color: var(--link); }

/* ---------- sections ---------- */

.section { padding: 72px 0; border-bottom: 1px solid var(--border); }
.section.alt { background: var(--bg-alt); }

.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head h2 { font-size: 26px; margin: 0 0 10px; }
.section-head p { color: var(--muted); margin: 0; }
.section-head code {
    background: var(--code-bg);
    border-radius: 4px;
    padding: 1px 5px;
    font-size: 13px;
}

/* demos */

.demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.demo-card {
    margin: 0;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}
.demo-frame { background: var(--code-bg); border-bottom: 1px solid var(--border); }
.demo-frame img { display: block; width: 100%; height: auto; }
.demo-card figcaption { padding: 12px 16px; font-size: 14px; color: var(--muted); }
.demo-card strong { color: var(--fg); }

/* features */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    transition: border-color .15s;
}
.feature-card:hover { border-color: #3a3a3a; }

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: rgba(14, 99, 156, 0.25);
    color: var(--kw);
    font-family: var(--mono);
    font-size: 16px;
    margin-bottom: 12px;
}

.feature-card h3 { font-size: 15.5px; margin: 0 0 8px; }
.feature-card p { font-size: 13.5px; color: var(--muted); margin: 0; }

/* install */

.install-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }

.install-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
}

.install-card header { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.install-card h3 { font-size: 16px; margin: 0; }

.badge {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1px 8px;
    white-space: nowrap;
}

.cmd-row {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
}
.cmd-row code { font-size: 12.5px; color: var(--str); overflow-x: auto; white-space: nowrap; flex: 1; min-width: 0; }

.copy-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    cursor: pointer;
    font-size: 14px;
    padding: 2px 4px;
    border-radius: 4px;
}
.copy-btn:hover { color: var(--fg); background: var(--border); }
.copy-btn.copied { color: var(--str); }

.install-card .note { font-size: 13px; color: var(--muted); margin: 0; flex: 1; }

/* shortcuts + cli */

.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.shortcut-list, .cli-list {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 18px;
}

.shortcut-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 0;
    border-bottom: 1px solid var(--border);
}
.shortcut-row:last-child { border-bottom: none; }

.kbd-group { display: inline-flex; align-items: center; gap: 4px; min-width: 128px; }
.kbd-group.mac { display: none; }
body.mac .kbd-group:not(.mac) { display: none; }
body.mac .kbd-group.mac { display: inline-flex; }

kbd {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 5px;
    padding: 1px 7px;
    font-size: 12px;
    color: var(--fg);
}
.kbd-plus { color: var(--muted); font-size: 11px; }

.shortcut-label { font-size: 14px; color: var(--muted); }

.cli-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.cli-row:last-child { border-bottom: none; }
.cli-cmd { font-size: 13px; color: var(--str); }
.cli-row .muted { font-size: 12.5px; }

/* footer */

.site-footer { padding: 28px 0 40px; }
.footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-left { display: flex; align-items: baseline; gap: 10px; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; align-items: center; gap: 18px; font-size: 13px; flex-wrap: wrap; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .feature-grid, .install-grid { grid-template-columns: 1fr 1fr; }
    .split-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
    .nav-links { display: none; }
    .feature-grid, .install-grid, .demo-grid { grid-template-columns: 1fr; }
    .section { padding: 52px 0; }
    .hero { padding: 48px 0; }
}