/* thecrux — marketing site. Shares the app's design tokens (public/style.css)
   so the site and the product feel like one brand. Standalone; no app deps. */

:root {
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", SFMono-Regular,
    "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  --radius: 6px;
  --maxw: 940px;
}

/* ---------- INK (dark) ---------- */
[data-theme="dark"] {
  --bg: #0c0c0f;
  --bg-elev: #15151b;
  --bg-inset: #08080a;
  --bg-hover: #1c1c24;
  --border: #26262f;
  --border-strong: #393947;
  --text: #e9e6df;
  --muted: #8c887e;
  --faint: #5a574f;
  --accent: #f0b429;
  --accent-ink: #0c0c0f;
  --accent-soft: rgba(240, 180, 41, 0.13);
  --danger: #ff6b5e;
  --add: #58c37a;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
}

/* ---------- PAPER (light) ---------- */
[data-theme="light"] {
  --bg: #f4f1ea;
  --bg-elev: #fbf9f3;
  --bg-inset: #ebe7dc;
  --bg-hover: #efe9dc;
  --border: #ddd5c5;
  --border-strong: #c9bfa9;
  --text: #2c2a22;
  --muted: #79735f;
  --faint: #a89f88;
  --accent: #b06d05;
  --accent-ink: #fbf9f3;
  --accent-soft: rgba(176, 109, 5, 0.12);
  --danger: #c0392b;
  --add: #2f8f4e;
  --shadow: 0 16px 40px rgba(90, 70, 20, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(var(--border) 0.5px, transparent 0.5px);
  background-size: 22px 22px;
  background-attachment: fixed;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, kbd { font-family: var(--font-mono); }
code { color: var(--text); background: var(--accent-soft); padding: 0.05em 0.35em; border-radius: 4px; }
::selection { background: var(--accent); color: var(--accent-ink); }

.caret { color: var(--accent); font-weight: 700; }

/* The brand-wordmark caret blinks like a terminal cursor. */
.wordmark .caret,
.hero-mark .caret,
.foot-mark .caret { animation: blink 1.1s steps(1) infinite; }
@media (prefers-reduced-motion: reduce) {
  .wordmark .caret,
  .hero-mark .caret,
  .foot-mark .caret { animation: none; }
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 22px;
  max-width: var(--maxw); margin: 0 auto;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.wordmark { font-weight: 700; font-size: 16px; color: var(--text); position: relative; }
.wordmark .top { position: absolute; top: -70px; }
.nav-links { display: flex; align-items: center; gap: 18px; font-size: 13px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-gh { color: var(--accent) !important; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px 80px; }

.eyebrow { color: var(--muted); font-size: 13px; letter-spacing: 0.3px; margin: 0 0 14px; }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 64px 0 36px; }
.hero-mark {
  font-size: clamp(48px, 12vw, 108px);
  font-weight: 800; letter-spacing: -3px; line-height: 1;
  margin: 0;
}
.tagline { font-size: clamp(18px, 3.5vw, 26px); font-weight: 600; margin: 14px 0 0; letter-spacing: -0.5px; }
.tagline .code-hl { color: var(--accent); }
.lede {
  max-width: 620px; margin: 22px auto 0; color: var(--muted); font-size: 15px;
}
.lede strong { color: var(--text); }
.meta { color: var(--faint); font-size: 12px; margin: 20px 0 0; }

.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 26px; }
.cta-center { margin-top: 24px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--radius);
  border: 1px solid var(--border-strong); color: var(--text);
  font-size: 14px; font-weight: 600; transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { background: var(--bg-hover); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.06); background: var(--accent); }
.btn-glyph { font-size: 13px; }

/* ---------- Terminal card ---------- */
.termcard {
  margin: 12px auto 0; max-width: 720px;
  border: 1px solid var(--border-strong); border-radius: 10px;
  background: var(--bg-inset); box-shadow: var(--shadow); overflow: hidden;
}
.termbar {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 14px; border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.termtitle, .url { color: var(--faint); font-size: 12px; margin-left: 8px; }
.termbody { margin: 0; padding: 16px 18px; font-size: 12.5px; line-height: 1.75; overflow-x: auto; white-space: pre; }
.t-prompt { color: var(--muted); } .t-prompt .caret { color: var(--accent); }
.t-cmd { color: var(--text); }
.t-dim { color: var(--faint); }
.t-ok { color: var(--add); }
.t-accent { color: var(--accent); }
.t-link { color: var(--accent); text-decoration: underline; }
.t-file { color: var(--text); font-weight: 600; }
.t-add { color: var(--add); }
.t-crux { color: var(--add); background: var(--accent-soft); display: inline-block; width: 100%; }
.t-tag { color: var(--accent); }
.t-caret { color: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Sections ---------- */
.section { padding-top: 72px; }
.section-h { font-size: clamp(22px, 4vw, 30px); font-weight: 700; letter-spacing: -0.5px; margin: 0 0 6px; }
.section-n { color: var(--accent); font-size: 0.6em; vertical-align: middle; margin-right: 10px; }
.section-sub { color: var(--muted); margin: 0 0 26px; max-width: 640px; }

/* ---------- Feature grid ---------- */
.feats { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 26px; }
.feat {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; background: var(--bg-elev); transition: border-color .15s, transform .15s;
}
.feat:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.feat-glyph {
  display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center;
  border-radius: 8px; background: var(--accent-soft); color: var(--accent); font-size: 17px; margin-bottom: 12px;
}
.feat h3 { font-size: 15px; margin: 0 0 6px; }
.feat p { color: var(--muted); font-size: 13px; margin: 0; }
kbd { background: var(--bg-inset); border: 1px solid var(--border-strong); border-radius: 4px; padding: 0 5px; font-size: 12px; }

/* ---------- Screenshots ---------- */
.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.shot { margin: 0; }
/* .browser is a <button> so the whole frame is click-to-enlarge + focusable. */
.browser {
  display: block; width: 100%; padding: 0; margin: 0; text-align: left;
  font: inherit; color: inherit; cursor: zoom-in;
  border: 1px solid var(--border-strong); border-radius: 10px; overflow: hidden;
  background: var(--bg-inset); box-shadow: var(--shadow); position: relative;
  transition: border-color .15s, transform .15s;
}
.browser:hover { border-color: var(--accent); transform: translateY(-2px); }
.browser:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.browserbar { display: flex; align-items: center; gap: 7px; padding: 9px 12px; border-bottom: 1px solid var(--border); background: var(--bg-elev); }
.browser img { display: block; width: 100%; height: auto; }

/* Theme-matched screenshots: show the pair that matches the active theme.
   Selectors are qualified with .browser so they outrank `.browser img`. */
.browser img.shot-light { display: none; }
[data-theme="light"] .browser img.shot-dark { display: none; }
[data-theme="light"] .browser img.shot-light { display: block; }

.zoom-hint {
  position: absolute; right: 10px; bottom: 10px;
  font-size: 11px; padding: 3px 9px; border-radius: 6px;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  border: 1px solid var(--border-strong); color: var(--text);
  opacity: 0; transition: opacity .15s; pointer-events: none;
}
.browser:hover .zoom-hint, .browser:focus-visible .zoom-hint { opacity: 1; }
.shot figcaption { color: var(--muted); font-size: 13px; margin-top: 12px; text-align: center; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 3vmin;
  background: rgba(0, 0, 0, 0.82); backdrop-filter: blur(4px); cursor: zoom-out;
}
.lightbox[hidden] { display: none; }
.lightbox img {
  max-width: 96vw; max-height: 92vh; width: auto; height: auto;
  border: 1px solid var(--border-strong); border-radius: 10px; box-shadow: var(--shadow);
}
.lightbox-close {
  position: fixed; top: 16px; right: 18px; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text);
  font-size: 15px; cursor: pointer;
}
.lightbox-close:hover { background: var(--bg-hover); }

/* ---------- Get it ---------- */
.get-card {
  border: 1px dashed var(--border-strong); border-radius: 10px;
  background: var(--bg-inset); padding: 22px; margin-bottom: 22px;
}
.get-label { display: block; color: var(--faint); font-size: 12px; margin-bottom: 12px; }
.get-note { display: block; color: var(--muted); font-size: 12.5px; margin-top: 12px; }
.copy-row {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: var(--bg); padding: 10px 12px; overflow: hidden;
}
.copy-text { flex: 1; overflow-x: auto; white-space: nowrap; background: none; padding: 0; color: var(--text); }
.copy-btn {
  flex-shrink: 0; border: 1px solid var(--border-strong); background: var(--bg-elev);
  color: var(--text); font-family: var(--font-mono); font-size: 12px; border-radius: 5px;
  padding: 5px 12px; cursor: pointer;
}
.copy-btn:hover { background: var(--bg-hover); }

/* ---------- End + foot ---------- */
.endline {
  text-align: center; margin: 84px auto 0; max-width: 640px;
  padding: 44px 22px; border: 1px dashed var(--border-strong); border-radius: 10px; background: var(--bg-inset);
}
.endline p { color: var(--muted); font-size: 13px; margin: 0 0 8px; }
.endline p .t-prompt { color: var(--text); }
.endline h2 { font-size: clamp(22px, 4.5vw, 30px); font-weight: 700; letter-spacing: -0.5px; margin: 0; }

.foot {
  max-width: var(--maxw); margin: 0 auto; padding: 28px 22px 48px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
  border-top: 1px solid var(--border); color: var(--muted); font-size: 12.5px;
}
.foot-mark { font-weight: 700; color: var(--text); }
.foot-links { display: flex; gap: 16px; }
.foot-links a { color: var(--muted); }
.foot-legal { margin-left: auto; color: var(--faint); }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  position: fixed; right: 16px; bottom: 16px; z-index: 30;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text);
  font-size: 18px; cursor: pointer; box-shadow: var(--shadow);
}
.theme-toggle:hover { background: var(--bg-hover); }

@media (max-width: 560px) {
  .nav-links a:not(.nav-gh) { display: none; }
  .foot-legal { margin-left: 0; width: 100%; }
}