/* ACS landing — section + component styles */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 88px 0 100px;
  overflow: hidden;
}
@media (max-width: 720px) {
  .hero { padding: 56px 0 72px; }
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent 80%);
  pointer-events: none;
  z-index: 0;
}
.hero-waveform {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  width: 100%;
  height: 88px;
  pointer-events: none;
  z-index: 0;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 72px;
  align-items: center;
}
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 48px; }
}
/* Grid items default to min-width: auto = intrinsic content width,
 * which lets a long line of inline-code push the cell wider than its
 * track on mobile. min-width: 0 reverts that so children honor the
 * 1fr track. */
.hero-left, .hero-right { min-width: 0; }
.hero-eyebrow { margin-bottom: 28px; }
.hero-eyebrow-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* ACS shield logo — CSS3/HTML5-style pentagon badge with the same
 * outer geometry, inner right-half highlight, and two-tone wordmark
 * (left half dimmer, right half pure-bg). Theme-adaptive: outer fills
 * with --ink so it inverts cleanly in dark mode. */
.acs-shield {
  display: block;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.10));
  transition: transform 200ms cubic-bezier(.2,.8,.2,1);
}
.acs-shield:hover { transform: translateY(-2px) rotate(-2deg); }
.acs-shield-outer  { fill: var(--ink); }
.acs-shield-inner  { fill: color-mix(in oklch, var(--ink) 86%, var(--bg)); }
.acs-shield-tag-l  { fill: color-mix(in oklch, var(--bg) 60%, var(--ink)); }
.acs-shield-tag-r  { fill: var(--bg); }
.acs-shield-mark-l { fill: color-mix(in oklch, var(--bg) 80%, var(--ink)); }
.acs-shield-mark-r { fill: var(--bg); }
.hero-title {
  font-size: clamp(40px, 6.4vw, 72px);
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
  text-wrap: balance;
}
.hero-title-accent {
  font-style: italic;
  font-weight: 500;
  background: linear-gradient(180deg, var(--ink), color-mix(in oklch, var(--accent), var(--ink) 45%));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: var(--tx-4);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 540px;
  margin: 0 0 36px;
  text-wrap: pretty;
  /* The inline `<code>` chips and entity-encoded "<link>" can be
   * treated as unbreakable tokens by some engines, pushing the
   * paragraph wider than its grid track. `anywhere` allows breaking
   * inside those chips when no soft-break point is available. */
  overflow-wrap: anywhere;
  word-break: break-word;
}
.hero-sub code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.92em;
  color: var(--ink);
  border: 1px solid var(--line);
  /* Allow the chip itself to wrap onto a new line if the paragraph
   * runs out of room — keeps mobile widths honest. */
  display: inline;
  white-space: normal;
}
.hero-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.hero-cta .btn { height: 44px; padding: 0 20px; font-size: var(--tx-3); }
.hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: var(--tx-2);
  color: var(--ink-3);
}
.hero-meta-item { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--ink-3);
  opacity: 0.5;
}

/* ---------- Window ---------- */
.window {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.window-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-sunk);
  border-bottom: 1px solid var(--line);
}
.window-dots { display: flex; gap: 6px; }
.window-dots span {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--line);
  border: 1px solid color-mix(in oklch, var(--line), var(--ink) 8%);
}
.window-dots span:nth-child(1) { background: oklch(0.7 0.12 30); }
.window-dots span:nth-child(2) { background: oklch(0.78 0.13 90); }
.window-dots span:nth-child(3) { background: oklch(0.72 0.14 150); }
.window-title {
  flex: 1;
  text-align: center;
  font-size: var(--tx-1);
  color: var(--ink-3);
  letter-spacing: 0.02em;
}
.window-actions { display: flex; align-items: center; gap: 8px; }
.window-tag {
  font-size: var(--tx-1);
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}
.window-tabs { display: flex; gap: 2px; }
.window-tab {
  background: transparent;
  border: 0;
  padding: 4px 10px;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: var(--tx-1);
  color: var(--ink-3);
}
.window-tab.on { background: var(--bg-elev); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.copy-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-3);
  padding: 3px 9px;
  border-radius: 5px;
  font-size: var(--tx-1);
}
.copy-btn:hover { color: var(--ink); border-color: var(--ink-3); }

.code-flush {
  border: 0;
  border-radius: 0;
  background: var(--bg-elev);
  padding: 22px 24px;
}

.window-foot {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  background: var(--bg-sunk);
  flex-wrap: wrap;
}
.hero-tryouts { display: flex; gap: 8px; flex-wrap: wrap; }
.tryout {
  font-family: var(--font-mono);
  font-size: var(--tx-1);
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink-2);
  transition: transform 80ms, color 120ms, border-color 120ms;
}
.tryout:hover { color: var(--ink); border-color: var(--accent); }
.tryout:active { transform: scale(0.96); }
.tryout.primary { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.tryout.danger { border-color: oklch(0.7 0.18 25); color: oklch(0.6 0.18 25); }
:root[data-theme="dark"] .tryout.danger { color: oklch(0.78 0.16 25); }

.hero-soundnudge {
  position: absolute;
  z-index: 5;
  bottom: 18px; left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 999px;
  border: 0;
  font-size: var(--tx-2);
  box-shadow: 0 8px 28px oklch(0 0 0 / 0.2);
}
.hero-soundnudge svg { width: 14px; height: 14px; }
.hero-soundnudge-pulse {
  position: relative;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: nudge-pulse 1.6s ease-out infinite;
}
@keyframes nudge-pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--accent) 80%, transparent); }
  100% { box-shadow: 0 0 0 12px transparent; }
}

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid;
  /* 3-column rhythm — 15 cards land as a clean 5×3 block. Wider columns
   * also let the code samples breathe (less horizontal scrolling on the
   * narrower right-side cells than the previous 4-up layout). */
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .feature-grid { grid-template-columns: minmax(0, 1fr); } }
.feature {
  background: var(--bg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 260px;
  /* Flex items default to min-width: auto (intrinsic), which means
   * a wide <pre> child pushes the cell wider than its grid track →
   * overflow visible past the card's right edge. Forcing min-width: 0
   * lets the code block actually honor its `overflow: auto` and
   * scroll inside the cell instead of bleeding out. */
  min-width: 0;
}
.feature-head { display: flex; align-items: center; gap: 12px; }
.feature-icon {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
}
.feature-title { margin: 0; font-size: var(--tx-4); font-weight: 600; letter-spacing: -0.01em; }
.feature-desc { margin: 0; color: var(--ink-2); font-size: var(--tx-2); line-height: 1.55; flex: 1; }
.feature-code {
  margin: 0;
  font-size: 11px;
  line-height: 1.55;
  color: var(--ink-3);
  background: var(--code-bg);
  padding: 12px;
  border-radius: 6px;
  white-space: pre;
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
  border: 1px solid var(--line);
}
/* Description text — guard against very long unbreakable tokens
 * (rare but possible if someone pastes a URL into a feature blurb). */
.feature-desc { overflow-wrap: anywhere; }

/* ---------- Preset gallery ---------- */
.cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.cat-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-2);
  font-size: var(--tx-2);
  font-weight: 500;
  transition: all 120ms;
}
.cat-tab:hover { background: var(--bg-elev); color: var(--ink); }
.cat-tab.on {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.cat-count {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  background: color-mix(in oklch, currentColor 12%, transparent);
}
.cat-tab.on .cat-count { background: color-mix(in oklch, var(--bg) 25%, transparent); }

.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 8px;
}
.preset {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  text-align: left;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all 140ms;
  position: relative;
}
.preset:hover {
  border-color: var(--accent-line);
  background: color-mix(in oklch, var(--bg-elev) 92%, var(--accent));
}
.preset:hover .preset-icon { color: var(--accent-ink); background: var(--accent); }
.preset.playing { border-color: var(--accent); }
.preset.playing .preset-icon { background: var(--accent); color: var(--accent-ink); animation: bump 0.4s ease-out; }
@keyframes bump {
  0% { transform: scale(1); }
  40% { transform: scale(1.18); }
  100% { transform: scale(1); }
}
.preset-icon {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: var(--bg-sunk);
  border-radius: 8px;
  color: var(--ink-2);
  transition: all 140ms;
}
.preset-icon svg { width: 12px; height: 12px; }
.preset-name { font-size: var(--tx-2); color: var(--ink); font-weight: 500; }
.preset-desc { font-size: var(--tx-1); color: var(--ink-3); margin-top: 2px; }
.preset-cat {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--bg-sunk);
}

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.step {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  padding: 32px;
  background: var(--bg);
  align-items: start;
  /* min-width:0 so the code block's intrinsic width doesn't push the
   * step row past the parent .steps container's edge on mobile. */
  min-width: 0;
}
.step-body { min-width: 0; }
@media (max-width: 720px) {
  .step { grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 20px; }
}
.step-num {
  font-size: var(--tx-7);
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}
.step-title { margin: 0 0 8px; font-size: var(--tx-5); font-weight: 600; letter-spacing: -0.015em; }
.step-desc {
  margin: 0 0 16px;
  color: var(--ink-2);
  font-size: var(--tx-3);
  max-width: 560px;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.step-code {
  margin: 0;
  font-size: 12px;
  background: var(--code-bg);
  border: 1px solid var(--line);
  padding: 14px 16px;
  border-radius: 8px;
  color: var(--code-ink);
  white-space: pre;
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
}

/* ---------- Themes ---------- */
.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 720px) { .theme-grid { grid-template-columns: minmax(0, 1fr); } }
.theme {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.theme-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.theme-swatches { display: flex; }
.theme-swatch {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--bg-elev);
  margin-left: -6px;
}
.theme-swatch:first-child { margin-left: 0; }
.theme-name { font-size: var(--tx-4); font-weight: 600; }
.theme-file { font-size: var(--tx-1); color: var(--ink-3); margin-left: auto; }
.theme-desc { color: var(--ink-2); font-size: var(--tx-2); margin: 0; }
.theme-bindings { display: flex; flex-direction: column; gap: 4px; }
.theme-binding {
  display: grid;
  grid-template-columns: 90px 12px 1fr 16px;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-sunk);
  border: 1px solid transparent;
  border-radius: 6px;
  text-align: left;
  transition: all 120ms;
}
.theme-binding:hover { border-color: var(--accent-line); }
.theme-binding-key { font-size: var(--tx-1); color: var(--ink-3); }
.theme-binding-arrow { color: var(--ink-3); font-size: 11px; }
.theme-binding-val { font-size: var(--tx-2); color: var(--ink); }
.theme-binding-play { width: 12px; height: 12px; color: var(--ink-3); }
.theme-binding:hover .theme-binding-play { color: var(--accent); }

/* ---------- Install ---------- */
.install-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
@media (max-width: 960px) { .install-wrap { grid-template-columns: minmax(0, 1fr); gap: 32px; } }
.install-checks {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  /* Plain block flow — grid layout was leaving the li's flex children
   * inside an auto-sized track that didn't pin to the parent's width
   * on some viewports, leaving an unexplained left indent on mobile. */
  width: 100%;
}
.install-checks li + li { margin-top: 12px; }
.install-checks li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  color: var(--ink-2);
  font-size: var(--tx-3);
  line-height: 1.55;
}
/* Keep the check icon vertically aligned to the first text line
 * (not the whole column) when the row wraps to multiple lines. */
.install-checks li .check { margin-top: 2px; flex-shrink: 0; }
/* The text+code content is wrapped in <span> in JSX so each li has
 * exactly two flex children (icon + content). Without this wrapper,
 * mixed text nodes and inline <code> chips each became their own
 * flex item — flex distributed them column-by-column rather than
 * letting them flow as inline content.
 *
 * `:not(.check)` is critical — the <Check/> component renders as
 * <span class="check">, so a bare `> span` selector also matched
 * the icon and stretched it to flex: 1 (turned it into a long pill). */
.install-checks li > span:not(.check) {
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: normal;
}
.check {
  width: 20px; height: 20px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 50%;
}
.check svg { width: 10px; height: 10px; }

/* ---------- Roadmap ---------- */
.roadmap {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.roadmap-hint {
  margin: 18px auto 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}
.road-row {
  display: grid;
  grid-template-columns: 90px 160px 1fr 110px;
  gap: 20px;
  align-items: center;
  padding: 20px 24px;
  border-top: 1px solid var(--line);
  background: var(--bg-elev);
}
.road-row:first-child { border-top: 0; }
.road-items { min-width: 0; }
@media (max-width: 1080px) {
  .road-row { grid-template-columns: 90px 1fr 110px; }
  .road-items { grid-column: 1 / -1; padding-left: 0; }
}
@media (max-width: 720px) {
  .road-row { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .road-items { grid-column: auto; }
}
.road-phase { font-size: var(--tx-1); color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.08em; }
.road-title { font-size: var(--tx-3); font-weight: 600; }
.road-items { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--ink-2); font-size: var(--tx-2); }
.road-items li::before { content: "·"; margin-right: 8px; color: var(--ink-3); }
.road-items li:first-child::before { display: none; }
.road-status { font-size: var(--tx-1); text-align: right; }
.status-done { color: oklch(0.65 0.14 150); }
:root[data-theme="dark"] .status-done { color: oklch(0.78 0.14 150); }
.status-next { color: var(--accent); }
.status-planned { color: var(--ink-3); }
.road-planned { opacity: 0.7; }