/* ============================================================
   DESIGN TOKENS
   Subject: home cinema rooms — darkened space, projector bulb
   glow, velvet seating, screen light. Palette and type are
   built around that, not a generic tech-site default.
   ============================================================ */
:root {
  /* Colour */
  --bg: #0b0d12;              /* darkened room */
  --surface: #14171f;         /* card / panel */
  --surface-raised: #1c2029;  /* raised card */
  --border: rgba(237, 234, 227, 0.08);
  --border-strong: rgba(237, 234, 227, 0.16);

  --amber: #e8a94c;           /* projector bulb glow */
  --amber-dim: #6b5530;
  --green: #6fbf8b;           /* fits within the recommended range */
  --green-dark: #0d1f16;
  --red: #8c2f39;             /* velvet seat */
  --red-bright: #b23b48;

  --text: #edeae3;            /* screen-light white */
  --text-dim: #9aa0b2;
  --text-faint: #5c6274;

  /* Type */
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  /* Layout */
  --max-width: 1180px;
  --radius: 10px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(232,169,76,0.08), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 10%, rgba(140,47,57,0.10), transparent 55%);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

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

/* ---------- Typography ---------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 500;
  line-height: 1.05;
  margin: 0;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); letter-spacing: 0.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.05rem; letter-spacing: 0.08em; color: var(--text-dim); }

p { color: var(--text-dim); margin: 0 0 1em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px 2px rgba(232,169,76,0.6);
}

.mono { font-family: var(--font-mono); }

/* ---------- Header / Nav ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,13,18,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.15rem;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.logo span { color: var(--amber); }

nav.main { display: flex; gap: 28px; }
nav.main a {
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.15s ease;
}
nav.main a:hover, nav.main a.active { color: var(--amber); }

@media (max-width: 760px) {
  nav.main { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn:hover { border-color: var(--amber); color: var(--amber); }
.btn.primary {
  background: var(--amber);
  color: #1a1305;
  border-color: var(--amber);
  font-weight: 600;
}
.btn.primary:hover { background: #f2ba64; box-shadow: 0 0 24px rgba(232,169,76,0.35); }

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 40px;
}
.hero .kicker { margin-bottom: 18px; }
.hero h1 { max-width: 780px; }
.hero .lede {
  max-width: 560px;
  font-size: 1.05rem;
  margin-top: 18px;
}

/* ---------- Calculator layout ---------- */
.calc-shell {
  margin-top: 48px;
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
@media (max-width: 880px) {
  .calc-shell { grid-template-columns: 1fr; }
}

.calc-inputs {
  padding: 32px;
  border-right: 1px solid var(--border);
}
@media (max-width: 880px) {
  .calc-inputs { border-right: none; border-bottom: 1px solid var(--border); }
}

.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.field .hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  margin-top: 6px;
}

input[type="number"], select {
  width: 100%;
  background: var(--surface-raised);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s ease;
}
input[type="number"]:focus, select:focus {
  border-color: var(--amber);
}
/* Remove the native up/down spinner — cleaner on a dark theme, and this
   site never needs single-unit increments badly enough to want them. */
input[type="number"] { -moz-appearance: textfield; }
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.field-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.checkbox-field {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: -8px;
  margin-bottom: 22px;
}
.checkbox-field label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}
.checkbox-field input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--amber);
  cursor: pointer;
}

.unit-toggle {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.unit-toggle button {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 8px 14px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  text-transform: uppercase;
}
.unit-toggle button.active {
  background: var(--amber);
  color: #1a1305;
  font-weight: 600;
}

.calc-visual {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    radial-gradient(ellipse 500px 260px at 20% 40%, rgba(232,169,76,0.10), transparent 65%);
}

.beam-svg { width: 100%; height: auto; touch-action: none; }
.beam-svg .projector-handle { cursor: grab; }
.beam-svg .projector-handle:active { cursor: grabbing; }
.beam-svg .projector-handle .proj-body {
  transition: filter 0.15s ease;
}
.beam-svg .projector-handle:hover .proj-body {
  filter: drop-shadow(0 0 6px rgba(232,169,76,0.6));
}
.beam-svg.dragging .projector-handle .proj-body {
  filter: drop-shadow(0 0 10px rgba(232,169,76,0.85));
}

.results {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.results-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px;
}
.result-card {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.result-card .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.result-card .value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--amber);
  font-weight: 500;
}
.result-card.highlight {
  border-color: rgba(232,169,76,0.4);
  box-shadow: 0 0 0 1px rgba(232,169,76,0.15) inset;
}
.result-card .value.warn { color: var(--red-bright); }
.result-card.note-card { grid-column: 1 / -1; }

.drag-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  text-align: center;
  margin: 4px 0 0;
}

.journey-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}
@media (max-width: 900px) {
  .journey-strip { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .journey-strip { grid-template-columns: 1fr; }
}
.journey-step {
  display: block;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--surface);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.journey-step:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.journey-num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--text-faint);
  display: block;
  margin-bottom: 8px;
}
.journey-status {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 2px 9px;
  display: inline-block;
  margin-left: 8px;
  vertical-align: middle;
}
.journey-status.live { color: var(--amber); border-color: rgba(232,169,76,0.4); }
.journey-step h3 {
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text);
  margin: 10px 0 6px;
}
.journey-step p { font-size: 0.86rem; margin: 0; }

.aspect-toggle-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-bottom: 8px;
}
.aspect-toggle-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.diagram-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 8px;
}
.diagram-heading {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 10px;
}
.diagram-heading span {
  font-family: var(--font-mono);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-faint);
}

/* ---------- Room Fit Finder ---------- */
.best-card { margin-bottom: 8px; }
.best-fit-header { margin-bottom: 16px; }
.best-fit-header .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 6px;
}
.best-fit-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text);
}
.empty-note {
  color: var(--text-dim);
  font-size: 0.92rem;
  padding: 24px 0;
}

.combo-table-wrap { margin-top: 24px; overflow-x: auto; }
.combo-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}
.combo-table th, .combo-table td {
  padding: 3px 4px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.combo-table thead th {
  color: var(--text-faint);
  font-weight: 500;
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding-bottom: 6px;
}
.combo-table tbody th {
  color: var(--text-dim);
  text-align: left;
  font-weight: 500;
}
.combo-cell {
  width: 24px;
  height: 20px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--text-faint);
  font-size: 0.74rem;
  cursor: default;
  line-height: 1;
}
.combo-cell.viable {
  color: var(--green);
  cursor: pointer;
  border-color: rgba(111,191,139,0.3);
  transition: all 0.15s ease;
}
.combo-cell.viable:hover { border-color: var(--green); background: rgba(111,191,139,0.1); }
.combo-cell.not-viable { color: var(--red-bright); opacity: 0.55; }
.combo-table tbody th.size-cell {
  border-right: 1px solid var(--border);
  vertical-align: middle;
}
.combo-table td.aspect-cell {
  color: var(--text-faint);
  font-size: 0.75rem;
  text-align: left;
}
.combo-table tr.aspect-row-last td,
.combo-table tr.aspect-row-last th {
  border-bottom: 1px solid var(--border-strong);
}

.combo-cell.selected {
  background: var(--green);
  color: var(--green-dark);
  border-color: var(--green);
  font-weight: 700;
}
.combo-cell.viable.has-warning {
  color: var(--amber);
  border-color: rgba(232,169,76,0.35);
}
.combo-cell.viable.has-warning:hover { border-color: var(--amber); background: rgba(232,169,76,0.1); }
.combo-cell.selected.has-warning {
  background: var(--amber);
  border-color: var(--amber);
  color: #1a1305;
}

.warn-note {
  margin: 14px 0 0;
  padding: 10px 14px;
  border: 1px solid rgba(178,59,72,0.35);
  border-radius: var(--radius-sm);
  background: rgba(178,59,72,0.08);
  color: var(--text-dim);
  font-size: 0.82rem;
}

.beam-svg .wall-screen-handle { cursor: grab; }
.beam-svg .wall-screen-handle:active { cursor: grabbing; }
.beam-svg.dragging .wall-screen-handle rect {
  filter: drop-shadow(0 0 8px rgba(232,169,76,0.6));
}

/* ---------- Sections ---------- */
section { padding: 64px 0; }
section.divider-top { border-top: 1px solid var(--border); }

.section-head { margin-bottom: 36px; max-width: 640px; }
.section-head h2 { margin-top: 10px; }

/* Tool grid (future apps) */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 880px) { .tool-grid { grid-template-columns: 1fr; } }

.tool-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  background: var(--surface);
  transition: border-color 0.15s ease, transform 0.15s ease;
  position: relative;
  overflow: hidden;
}
.tool-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.tool-card .tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 3px 10px;
  display: inline-block;
  margin-bottom: 16px;
}
.tool-card .tag.live { color: var(--amber); border-color: rgba(232,169,76,0.4); }
.tool-card h3.name {
  font-family: var(--font-display);
  text-transform: none;
  letter-spacing: 0;
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 8px;
}
.tool-card p { font-size: 0.92rem; margin-bottom: 0; }

/* Roadmap - a genuine build sequence, numbering carries real info */
.roadmap {
  display: grid;
  gap: 0;
}
.roadmap-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
}
.roadmap-item:last-child { border-bottom: 1px solid var(--border); }
.roadmap-item .num {
  font-family: var(--font-mono);
  color: var(--text-faint);
  font-size: 1.1rem;
  padding-top: 2px;
}
.roadmap-item.done .num { color: var(--amber); }
.roadmap-item h3.name {
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 4px;
}
.status-pill {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  color: var(--text-dim);
  margin-left: 10px;
}
.status-pill.live { color: var(--amber); border-color: rgba(232,169,76,0.4); }

/* Ad / affiliate placeholder blocks (clearly marked, non-intrusive) */
.slot {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 18px;
  text-align: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

footer.site {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 40px;
}
footer.site p { font-size: 0.82rem; color: var(--text-faint); margin: 0; }
footer.site .cols {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}