/* ===========================================================================
   Ed Caspersen site styles
   A dark, crafted theme that lets the dark-background app icons sit flush.
   System fonts only: fast, and no third-party tracking.
   ========================================================================== */

:root {
  --bg: #0b0c10;
  --bg-2: #0e1016;
  --surface: #14161d;
  --surface-2: #181b23;
  --border: #262a35;
  --border-soft: #1d212a;
  --text: #ecedf1;
  --text-muted: #9aa0ad;
  --text-dim: #6e7480;
  --accent: #f0a64e;
  --accent-2: #54c0e8;
  --accent-ink: #1a1206;
  --app-accent: var(--accent);
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; font-weight: 700; }

img { max-width: 100%; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--app-accent);
  margin: 0 0 0.6rem;
}

/* ---- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .05s;
}
.btn:hover { text-decoration: none; border-color: #39404e; background: #1d212b; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--app-accent);
  border-color: var(--app-accent);
  color: var(--accent-ink);
}
.btn-primary:hover { filter: brightness(1.07); background: var(--app-accent); border-color: var(--app-accent); }
.btn-ghost { background: transparent; }
.btn-small { padding: 0.5rem 0.85rem; font-size: 0.85rem; }

/* ---- Nav ------------------------------------------------------------------ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 12, 16, 0.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--text); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 1.05rem;
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.brand-name { letter-spacing: -0.01em; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; }
.nav-links a { color: var(--text-muted); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  border: 1px solid var(--border); border-radius: 8px;
  padding: 0.4rem 0.85rem; color: var(--text) !important;
}
.nav-cta:hover { border-color: #39404e; }

/* ---- Hero ----------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; padding: 6.5rem 0 4.5rem; }
.hero::before {
  content: "";
  position: absolute; inset: -20% -10% auto -10%; height: 560px;
  background:
    radial-gradient(420px 320px at 18% 20%, rgba(240,166,78,0.16), transparent 70%),
    radial-gradient(460px 340px at 82% 8%, rgba(84,192,232,0.14), transparent 70%),
    radial-gradient(380px 300px at 60% 60%, rgba(84,201,122,0.10), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 780px; }
.home .hero-inner { margin-left: auto; margin-right: auto; text-align: center; }
.home .hero-lead { margin-left: auto; margin-right: auto; }
.home .hero-actions { justify-content: center; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 3.8rem); margin: 0.4rem 0 1rem; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { font-size: clamp(1rem, 1.6vw, 1.12rem); color: var(--text-muted); margin: 0 0 2rem; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* ---- Sections ------------------------------------------------------------- */
.section { padding: 4rem 0; border-top: 1px solid var(--border-soft); }
.section-head { max-width: 64rem; margin-bottom: 2.2rem; }
.section-head h2 { font-size: clamp(1.7rem, 3.5vw, 2.3rem); margin: 0.3rem 0 0.6rem; }
.section-head p { color: var(--text-muted); margin: 0; font-size: 1.05rem; }

/* ---- Genre groups --------------------------------------------------------- */
.genre-group { margin-bottom: 2.6rem; }
.genre-group:last-child { margin-bottom: 0; }
.genre-head {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--text-dim);
  margin: 0 0 1.1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-soft);
}

/* ---- App cards ------------------------------------------------------------ */
.card-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.app-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow: hidden;
  transition: border-color .15s, transform .15s;
}
.app-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--card-accent, var(--accent));
}
.app-card:hover { border-color: var(--border); transform: translateY(-3px); }
.app-card-top { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.app-card-icon { width: 60px; height: 60px; border-radius: 14px; flex: none; box-shadow: 0 4px 16px rgba(0,0,0,0.4); }
.app-card h3 { margin: 0; font-size: 1.3rem; }
.app-card .app-card-tagline { margin: 0.2rem 0 0; color: var(--text-muted); font-size: 0.92rem; }
.app-card-blurb { color: var(--text-muted); font-size: 0.95rem; flex: 1; }
.app-card-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; font-size: 0.82rem; color: var(--text-dim); margin: 0.4rem 0 1.1rem; }
.app-card-meta span { display: inline-flex; align-items: center; gap: 0.35rem; }
.app-card-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }

/* ---- Project cards -------------------------------------------------------- */
.proj-card {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: border-color .15s, transform .15s;
}
.proj-card:hover { border-color: var(--border); transform: translateY(-3px); }
.proj-card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; }
.proj-card h3 { margin: 0; font-size: 1.2rem; font-family: var(--mono); letter-spacing: -0.01em; }
.proj-lang { font-size: 0.78rem; color: var(--accent); font-weight: 600; }
.proj-card-blurb { color: var(--text-muted); font-size: 0.93rem; flex: 1; margin: 0.7rem 0 1rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.1rem; }
.tag {
  font-size: 0.74rem; color: var(--text-muted);
  background: var(--surface-2); border: 1px solid var(--border-soft);
  border-radius: 999px; padding: 0.18rem 0.6rem;
}
.proj-card .btn { align-self: flex-start; }

/* ---- About ---------------------------------------------------------------- */
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2.5rem; align-items: start; }
.about-lead { font-size: 1.2rem; color: var(--text); margin-top: 0; }
.about-grid p { color: var(--text-muted); }
.about-card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 1.5rem;
}
.about-card h4 { margin: 0 0 0.8rem; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-dim); }
.about-card ul { margin: 0; padding-left: 1.1rem; color: var(--text-muted); }
.about-card li { margin-bottom: 0.4rem; }
.about-card li::marker { color: var(--accent); }

/* ---- Footer --------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--border-soft); margin-top: 2rem; background: var(--bg-2); }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2rem; padding: 3rem 24px 2rem; }
.footer-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-dim); margin: 0 0 0.9rem; }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.92rem; margin-bottom: 0.45rem; }
.footer-col a:hover { color: var(--text); text-decoration: none; }
.footer-tag { color: var(--text-muted); font-size: 0.9rem; margin: 0.8rem 0 0; max-width: 260px; }
.footer-base {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
  padding: 1.2rem 24px 2rem; border-top: 1px solid var(--border-soft);
  color: var(--text-dim); font-size: 0.82rem;
}

/* ---- App hero (support hub) ---------------------------------------------- */
.app-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--border-soft); padding: 3.5rem 0; }
.app-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 12% 0%, color-mix(in srgb, var(--app-accent) 16%, transparent), transparent 70%);
  pointer-events: none;
}
.app-hero-inner { position: relative; display: flex; gap: 1.8rem; align-items: center; }
.app-hero-icon { width: 120px; height: 120px; border-radius: 26px; flex: none; box-shadow: 0 10px 36px rgba(0,0,0,0.5); }
.app-hero-text h1 { font-size: clamp(2rem, 5vw, 2.9rem); margin: 0.2rem 0 0.5rem; }
.app-hero-tagline { font-size: 1.15rem; color: var(--text); margin: 0 0 0.7rem; }
.app-hero-blurb { color: var(--text-muted); margin: 0 0 1.4rem; max-width: 620px; }
.app-hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

/* ---- Doc layout ----------------------------------------------------------- */
.doc-wrap { display: grid; grid-template-columns: 248px 1fr; gap: 2.5rem; padding-top: 2.5rem; padding-bottom: 4rem; align-items: start; }
.doc-sidebar { position: sticky; top: 84px; }
.doc-app { display: flex; align-items: center; gap: 0.7rem; color: var(--text); font-weight: 700; margin-bottom: 1rem; }
.doc-app:hover { text-decoration: none; }
.doc-app-icon { width: 44px; height: 44px; border-radius: 11px; }
.doc-app-name { font-size: 1.1rem; }
.doc-nav { display: flex; flex-direction: column; border-left: 2px solid var(--border-soft); }
.doc-nav a {
  padding: 0.45rem 0 0.45rem 0.9rem; margin-left: -2px;
  border-left: 2px solid transparent;
  color: var(--text-muted); font-size: 0.94rem;
}
.doc-nav a:hover { color: var(--text); text-decoration: none; }
.doc-nav a.active { color: var(--app-accent); border-left-color: var(--app-accent); font-weight: 600; }
.doc-help {
  margin-top: 1.6rem; padding: 1.1rem; background: var(--surface);
  border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
}
.doc-help h4 { margin: 0 0 0.3rem; font-size: 0.95rem; }
.doc-help p { margin: 0 0 0.8rem; color: var(--text-muted); font-size: 0.86rem; }

.breadcrumb { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 1.4rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb span[aria-current] { color: var(--text); }

/* Markdown body */
.doc-content { min-width: 0; }
.doc-body { max-width: 760px; }
.doc-body > *:first-child { margin-top: 0; }
.doc-body h1 { font-size: clamp(1.9rem, 4vw, 2.5rem); margin: 0 0 1rem; }
.doc-body h2 { font-size: 1.5rem; margin: 2.4rem 0 0.9rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--border-soft); }
.doc-body h3 { font-size: 1.18rem; margin: 1.8rem 0 0.7rem; }
.doc-body h4 { font-size: 1.02rem; margin: 1.4rem 0 0.5rem; color: var(--text); }
.doc-body p, .doc-body li { color: var(--text-muted); }
.doc-body strong { color: var(--text); }
.doc-body a { color: var(--accent-2); }
.doc-body ul, .doc-body ol { padding-left: 1.3rem; }
.doc-body li { margin-bottom: 0.4rem; }
.doc-body li::marker { color: var(--app-accent); }
.doc-body blockquote {
  margin: 1.2rem 0; padding: 0.2rem 1.1rem; border-left: 3px solid var(--app-accent);
  color: var(--text-muted); background: var(--surface); border-radius: 0 8px 8px 0;
}
.doc-body code {
  font-family: var(--mono); font-size: 0.86em;
  background: var(--surface-2); border: 1px solid var(--border-soft);
  border-radius: 6px; padding: 0.12em 0.4em;
}
.doc-body pre {
  background: var(--surface-2); border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm); padding: 1rem; overflow: auto;
}
.doc-body pre code { background: none; border: none; padding: 0; }
.doc-body hr { border: none; border-top: 1px solid var(--border-soft); margin: 2rem 0; }

/* Tables */
.doc-body table { width: 100%; border-collapse: collapse; margin: 1.3rem 0; font-size: 0.92rem; display: block; overflow-x: auto; }
.doc-body th, .doc-body td { text-align: left; padding: 0.6rem 0.85rem; border-bottom: 1px solid var(--border-soft); color: var(--text-muted); }
.doc-body th { color: var(--text); font-weight: 600; background: var(--surface); border-bottom-color: var(--border); }
.doc-body tbody tr:hover { background: rgba(255,255,255,0.02); }

.doc-rule { border: none; border-top: 1px solid var(--border-soft); margin: 2.5rem 0 1.2rem; }
.doc-foot { color: var(--text-dim); font-size: 0.9rem; }

/* ---- 404 ------------------------------------------------------------------ */
.notfound { text-align: center; padding: 7rem 0; }
.notfound h1 { font-size: 4rem; margin: 0; }
.notfound p { color: var(--text-muted); }

/* ---- Responsive ----------------------------------------------------------- */
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .doc-wrap { grid-template-columns: 1fr; gap: 1.5rem; }
  .doc-sidebar { position: static; border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 1.1rem; background: var(--bg-2); }
  .doc-nav { border-left: none; flex-flow: row wrap; gap: 0.3rem 0.5rem; }
  .doc-nav a { border-left: none; padding: 0.35rem 0.7rem; border: 1px solid var(--border-soft); border-radius: 999px; margin: 0; }
  .doc-nav a.active { border-color: var(--app-accent); }
  .doc-help { display: none; }
  .app-hero-inner { flex-direction: column; text-align: center; align-items: center; }
  .app-hero-blurb { margin-left: auto; margin-right: auto; }
  .app-hero-actions { justify-content: center; }
}
@media (max-width: 620px) {
  .nav-links { gap: 0.9rem; }
  .nav-links a:not(.nav-cta) { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .hero { padding: 4rem 0 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; transition: none !important; }
}