/* ==========================================================================
   Smart Home Sparkie — house style
   Design language: a residential distribution board (switchboard).
   Colours borrow from AS/3000 conductor colours: brown (active), blue
   (neutral), amber (earth/CTA accent). Everything else is switchboard
   steel and cable-insulation white.
   ========================================================================== */

:root {
  --bg: #14171a;
  --panel: #1b1f23;
  --panel-raised: #22272b;
  --line: #33393e;
  --line-soft: #262b2f;

  --text: #ece7dd;
  --text-dim: #a8acaf;
  --text-faint: #6c7175;

  --brown: #b06a3a;
  --brown-soft: rgba(176, 106, 58, 0.14);
  --blue: #5088b0;
  --blue-soft: rgba(80, 136, 176, 0.14);
  --amber: #d9ab3f;
  --amber-soft: rgba(217, 171, 63, 0.14);

  --radius: 3px;
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --maxw: 1080px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--amber); }
a:focus-visible,
button:focus-visible,
.breaker:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

img { max-width: 100%; display: block; }

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(20, 23, 26, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}

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

.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--amber);
  border-radius: 50%;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.brand-logo {
  height: 30px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.site-nav a { color: var(--text-dim); }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--amber); }

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

.hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 14px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: 0.005em;
  margin: 0 0 20px;
  text-transform: uppercase;
}

.hero h1 em {
  font-style: normal;
  color: var(--brown);
}

.hero p.lede {
  font-size: 1.08rem;
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 0 28px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  color: var(--text);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.btn:hover { border-color: var(--amber); color: var(--amber); }

.btn-solid {
  background: var(--amber);
  border-color: var(--amber);
  color: #17140a;
  font-weight: 600;
}
.btn-solid:hover { background: #e6bc57; color: #17140a; border-color: #e6bc57; }

/* ---------- distribution board (signature element) ---------- */

.board {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px 20px 16px;
  box-shadow: 0 20px 50px -25px rgba(0,0,0,0.6);
}

.board-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.board-head .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.board-main-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
  text-transform: uppercase;
}

.board-main-switch .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber);
}

.breakers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.breaker {
  display: grid;
  grid-template-columns: 28px 1fr 40px;
  align-items: center;
  gap: 12px;
  padding: 10px 10px;
  background: var(--panel-raised);
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  text-align: left;
  width: 100%;
  color: var(--text);
  font: inherit;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.breaker:hover { border-color: var(--line); background: #262c31; }

.breaker .num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

.breaker .name {
  font-family: var(--font-display);
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.breaker .sub {
  display: block;
  font-family: var(--font-body);
  font-size: 0.76rem;
  color: var(--text-faint);
  text-transform: none;
  letter-spacing: 0;
  margin-top: 2px;
}

.toggle {
  justify-self: end;
  width: 30px;
  height: 16px;
  border-radius: 8px;
  background: #14171a;
  border: 1px solid var(--line);
  position: relative;
  flex-shrink: 0;
}

.toggle::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-faint);
  transition: transform 0.18s ease, background 0.18s ease;
}

.breaker.is-on .toggle { border-color: var(--amber); }
.breaker.is-on .toggle::after {
  transform: translateX(14px);
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber);
}

.board-foot {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-faint);
  letter-spacing: 0.03em;
}

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

section { padding: 64px 0; }
.section-tight { padding: 40px 0; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}

.section-head h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.5rem;
  letter-spacing: 0.03em;
  margin: 0;
}

.section-head .see-all {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  white-space: nowrap;
}

/* nameplate / about */

.nameplate {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 36px;
  align-items: start;
}

.nameplate-badge {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 6px;
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

.nameplate-badge .brass {
  font-family: var(--font-display);
  color: var(--amber);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.nameplate-badge dl {
  margin: 12px 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 10px;
}
.nameplate-badge dt { color: var(--text-faint); }
.nameplate-badge dd { margin: 0; color: var(--text-dim); }

.nameplate p { color: var(--text-dim); margin: 0 0 14px; }
.nameplate p:last-child { margin-bottom: 0; }

/* ---------- post cards ---------- */

.log-grid {
  display: grid;
  gap: 18px;
}

.card {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

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

.card-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  padding-top: 3px;
}

.card-date .day {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid var(--line);
  color: var(--text-dim);
  margin-bottom: 10px;
}

.card h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--amber); }

.card p { color: var(--text-dim); margin: 0 0 10px; font-size: 0.94rem; }

.card .readmore {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
}

/* filter chips (log page) */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
}

.chip:hover { border-color: var(--amber); color: var(--text); }
.chip.is-active { border-color: var(--amber); color: var(--amber); background: var(--amber-soft); }

.empty-state {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-faint);
  padding: 40px 0;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 6px;
}

/* ---------- post page ---------- */

.post-header {
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--line);
}

.post-header .tag { margin-bottom: 14px; }

.post-header h1 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.1;
  margin: 0 0 14px;
}

.post-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
}

.post-body {
  max-width: 70ch;
  padding: 40px 0 80px;
}

.post-body h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  margin: 36px 0 14px;
  color: var(--amber);
}

.post-body p { margin: 0 0 18px; color: var(--text); }
.post-body ul, .post-body ol { margin: 0 0 18px; padding-left: 22px; color: var(--text); }
.post-body li { margin-bottom: 6px; }

.post-body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--panel-raised);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--amber);
}

.post-body pre {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  margin: 0 0 22px;
}
.post-body pre code { background: none; border: none; padding: 0; color: var(--text); }

.post-body blockquote {
  margin: 0 0 18px;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--brown);
  color: var(--text-dim);
  font-style: italic;
}

.post-nav {
  border-top: 1px solid var(--line);
  padding: 24px 0 0;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
}

/* ---------- conduit divider ---------- */

.conduit {
  height: 40px;
  display: flex;
  align-items: center;
}

.conduit svg { width: 100%; height: 100%; display: block; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-faint);
}

.site-footer a { color: var(--text-faint); }
.site-footer a:hover { color: var(--amber); }

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

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .nameplate { grid-template-columns: 1fr; }
  .nameplate-badge { max-width: 320px; }
  .card { grid-template-columns: 1fr; }
  .card-date { display: flex; align-items: baseline; gap: 8px; }
  .card-date .day { margin-bottom: 0; }
}

@media (max-width: 560px) {
  .site-nav { gap: 16px; font-size: 0.72rem; }
  .hero { padding: 48px 0 40px; }
  section { padding: 44px 0; }
}