*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  color-scheme: dark;
}
body {
  margin: 0;
  min-height: 100vh;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.018) 0px,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 5px
    ),
    linear-gradient(180deg, #252422 0%, #403d39 100%);
  background-attachment: fixed;
  color: #f4f4f4;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 24px 56px;
}

/* Masthead */
.masthead {
  display: flex;
  align-items: center;
  gap: 26px;
}
.masthead img {
  width: 92px;
  height: 92px;
  flex: none;
  filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.5));
}
.masthead h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}
.subtitle {
  margin: 18px 0 0;
  font-size: clamp(1.1rem, 2.6vw, 1.4rem);
  font-weight: 400;
  color: #b9b9b9;
}
.pitch {
  position: relative;
  font-family: "Caveat", "Bradley Hand", "Comic Sans MS", cursive;
  display: block;
  margin: -10px 0 0;
  text-align: right;
  font-size: clamp(1.35rem, 4vw, 2.05rem);
  font-weight: 700;
  color: #ff453a;
  transform: rotate(-4deg);
  transform-origin: right center;
  text-shadow: 0 3px 18px rgba(255, 69, 58, 0.35);
}
/* Minecraft-splash-style bonus line: the spans take turns, exactly one on
   screen at a time, ~5s each. The first span stays in normal flow as a
   one-line sizer that holds the box height; the rest stack on top of it.
   To add a line: add a <span> and an nth-child delay, and bump the
   animation duration + keyframe split to 100/count %. */
.pitch span {
  position: absolute;
  right: 0;
  top: 0;
  display: block;
  white-space: nowrap;
  opacity: 0;
  animation: pitch-cycle 20s ease-in-out infinite;
}
.pitch span:first-child {
  position: static;
}
.pitch span:nth-child(1) {
  animation-delay: 0s;
}
.pitch span:nth-child(2) {
  animation-delay: 5s;
}
.pitch span:nth-child(3) {
  animation-delay: 10s;
}
.pitch span:nth-child(4) {
  animation-delay: 15s;
}
@keyframes pitch-cycle {
  0% {
    opacity: 0;
  }
  2%,
  23% {
    opacity: 1;
  }
  25%,
  100% {
    opacity: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .pitch span {
    animation: none;
  }
  .pitch span:first-child {
    opacity: 1;
  }
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 80px;
}
.card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #ffffff;
  color: #1b1b1b;
  border-radius: 16px;
  padding: 30px 28px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.45);
}
.card h2 {
  margin: 0 0 10px;
  font-size: 1.32rem;
  font-weight: 750;
}
.card p {
  margin: 0 0 20px;
  font-size: 0.96rem;
  color: #363636;
}
.card p code {
  background: #f0f0f0;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.88em;
}
.card p:has(+ ul) {
  margin-bottom: 8px;
}
.card ul {
  margin: 0 0 20px;
  padding-left: 1.2rem;
  font-size: 0.96rem;
  color: #363636;
  list-style: square;
}
.card li {
  margin: 3px 0;
}
.card li::marker {
  color: #ff453a;
}
.card pre {
  margin: 0;
  background: #1c1c1c;
  color: #e6e6e6;
  border-radius: 10px;
  padding: 14px 15px;
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.6;
  overflow-x: auto;
}
.card pre .c {
  color: #7d7d7d;
}
.card pre .p {
  color: #7ee787;
}
.card pre .k {
  color: #79c0ff;
}
.card pre em {
  font-style: normal;
  background: #ffffff;
  color: #1b1b1b;
  border-radius: 5px;
  padding: 0 3px;
  margin: 0 -3px;
}
.card pre .ok {
  color: #56d364;
  font-weight: 700;
}

/* Preview carousel */
.preview {
  margin: auto 0 0;
}
.preview .swiper {
  width: 100%;
}
.preview .preview-dots {
  position: static;
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 0 0 10px 2px;
  min-height: 26px;
}
.preview .preview-dots .swiper-pagination-bullet {
  width: 26px;
  height: 26px;
  margin: 0;
  border-radius: 999px;
  background: rgba(27, 27, 27, 0.1);
  opacity: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #1b1b1b;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}
.preview .preview-dots .swiper-pagination-bullet i {
  font-style: normal;
}
.preview .preview-dots .swiper-pagination-bullet-active {
  background: #1b1b1b;
  color: #ffffff;
}
.preview .slide-note {
  margin: 12px 2px 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #5f5f5f;
  min-height: 3em;
}

/* Footer */
.footer {
  margin-top: 68px;
  text-align: center;
}
.footer a,
.pill-link {
  display: inline-block;
  padding: 13px 32px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  color: #ffffff;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 550;
  transition:
    background 0.18s ease,
    border-color 0.18s ease;
}
.footer a:hover,
.pill-link:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.65);
}

/* Jump to Installation, sitting on the dark ground between Adopt and
   Explore — the footer's pill, one size down. */
.install-cta {
  margin: 40px 0 0;
  text-align: center;
}
.install-cta .pill-link {
  padding: 11px 28px;
  font-size: 0.98rem;
}

/* A big page-section title outside any card, matching the masthead's
   h1 + .subtitle treatment but a size down — used above Explore,
   Installation and Featured. */
.section-head {
  margin: 64px 0 24px;
}
.section-head:first-of-type {
  margin-top: 20px;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}

/* Features (full-width, same width as the .cards row above it) */
.features {
  margin-top: 20px;
  background: #ffffff;
  color: #1b1b1b;
  border-radius: 16px;
  padding: 34px 32px 40px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.45);
}
.features > .lede {
  margin: 0 0 26px;
  font-size: 0.98rem;
  color: #363636;
}
.features code {
  background: #f0f0f0;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.88em;
}
.toc {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0 0 32px;
  padding: 10px 0;
  background: #ffffff;
}
.toc a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  background: #f0f0f0;
  color: #1b1b1b;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 650;
  transition:
    background 0.18s ease,
    color 0.18s ease;
}
.toc a:hover,
.toc a.active {
  background: #1b1b1b;
  color: #ffffff;
}
.feature {
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid #ececec;
}
.feature:first-of-type {
  padding-top: 0;
  margin-top: 0;
  border-top: none;
}
/* The orange bar lives on this wrapper, not on h3 directly, so a
   feature's opening statement visually sits inside the same bar as
   its heading. Reused (without the numbering below) by Installation
   and Featured. */
.feature-head {
  border-left: 1rem solid #ff453a;
  padding-left: 1rem;
}
.feature h3,
.feature-head h3 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  font-weight: 750;
  scroll-margin-top: 20px;
}
.feature-head .feature-statement {
  padding-left: 0;
}
/* "Ten ways that shows up" — number Explore's own features only. */
#explore {
  counter-reset: feature-num;
}
#explore .feature {
  counter-increment: feature-num;
}
#explore .feature-head h3::before {
  content: counter(feature-num) ". ";
  color: #ff453a;
}
.feature > p {
  margin: 0 0 6px;
  font-size: 0.96rem;
  color: #363636;
}
.feature ul {
  margin: 10px 0 0;
  padding-left: 1.2rem;
  font-size: 0.96rem;
  color: #363636;
  list-style: square;
}
.feature li {
  margin: 3px 0;
}
.feature li::marker {
  color: #ff453a;
}
.feature-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 9px;
  border-radius: 999px;
  background: #fff4e5;
  color: #9a5b00;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  vertical-align: middle;
}
.feature > pre {
  margin: 14px 0 0;
  background: #1c1c1c;
  color: #e6e6e6;
  border-radius: 10px;
  padding: 14px 15px;
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  overflow-x: auto;
}

/* Charts demo: source and rendered preview, side by side */
.chart-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}
.chart-demo--triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.chart-pane {
  min-width: 0;
}
.chart-pane h4 {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #7a7a7a;
}
.chart-source {
  margin: 0;
  height: 460px;
  overflow: auto;
  background: #1c1c1c;
  color: #e6e6e6;
  border-radius: 10px;
  padding: 16px 17px;
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.74rem;
  line-height: 1.55;
  white-space: pre-wrap;
}
/* RainbowCSV-style column colouring: one hue per CSV column, repeating
   every 7 for wider files, so a column reads top to bottom by colour
   instead of by counting commas. */
.csv-c1 {
  color: #ff6b6b;
}
.csv-c2 {
  color: #ffa94d;
}
.csv-c3 {
  color: #ffd43b;
}
.csv-c4 {
  color: #69db7c;
}
.csv-c5 {
  color: #4dabf7;
}
.csv-c6 {
  color: #b197fc;
}
.csv-c7 {
  color: #f783ac;
}
.chart-preview {
  height: 460px;
  overflow: auto;
  background: #fafafa;
  border: 1px solid #e6e6e6;
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 0.85rem;
}
.chart-preview h1,
.chart-preview h2 {
  font-size: 1.1rem;
  margin: 0 0 10px;
}
.chart-preview h2 {
  font-size: 1rem;
  margin-top: 20px;
}
.chart-preview p {
  margin: 0 0 10px;
}
.chart-preview table {
  border-collapse: collapse;
  width: 100%;
  margin: 0 0 12px;
  font-size: 0.82rem;
}
.chart-preview th,
.chart-preview td {
  border: 1px solid #ddd;
  padding: 4px 8px;
}
.chart-preview code {
  background: #eee;
  border-radius: 3px;
  padding: 0 4px;
  font-size: 0.88em;
}
.chart-preview pre {
  background: #1c1c1c;
  color: #e6e6e6;
  border-radius: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  font-size: 0.72rem;
}
.chart-preview pre code {
  background: none;
  padding: 0;
}
.chart-preview img {
  max-width: 100%;
  margin: 6px 0 12px;
  background: #ffffff;
}
.chart-caption {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: #7a7a7a;
}
.chart-caption a {
  color: #7a7a7a;
}

/* Explore: visual hierarchy across three levels (issue #44) */
.feature--lg h3 {
  font-size: 1.4rem;
}
.feature--lg .feature-statement {
  font-size: 1.1rem;
}
.feature--sm {
  padding-top: 22px;
  margin-top: 22px;
}
.feature--sm > p {
  font-size: 0.9rem;
}
.feature-statement {
  margin: 0 0 14px;
  padding: 2px 0 2px 2rem;
  font-size: 1rem;
  font-weight: 650;
  color: #1b1b1b;
}
.feature-statement em {
  font-style: normal;
}

/* Shared terminal/diagram block, used throughout Explore */
.feature pre {
  margin: 14px 0 0;
  background: #1c1c1c;
  color: #e6e6e6;
  border-radius: 10px;
  padding: 14px 15px;
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  overflow-x: auto;
}
.feature pre.mermaid {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #fafafa;
  border: 1px solid #e6e6e6;
  color: inherit;
  padding: 20px;
}
.feature pre.mermaid svg {
  max-width: 100%;
  height: auto;
}
.feature pre .c {
  color: #7d7d7d;
}
.feature pre .p {
  color: #7ee787;
}
.feature pre .k {
  color: #79c0ff;
}
.feature pre .ok {
  color: #56d364;
  font-weight: 700;
}
.feature pre .add {
  color: #7ee787;
}
.feature pre .del {
  color: #ff7b72;
}
.feature pre .warn {
  color: #e3b341;
}
.feature pre em {
  font-style: normal;
  background: #ffffff;
  color: #1b1b1b;
  border-radius: 5px;
  padding: 0 3px;
  margin: 0 -3px;
}

/* Buttons that reveal or toggle a demo's next state */
.feature-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 14px 4px 0 0;
  padding: 8px 16px;
  border: none;
  border-radius: 999px;
  background: #1b1b1b;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 650;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.18s ease;
}
.feature-btn:hover {
  background: #3a3a3a;
}
.feature-btn[aria-pressed="true"] {
  background: #ff453a;
}

/* Compact source/preview pair, for short snippets (vs. the 460px chart-demo).
   Tall enough that the short documents (computes, infer before/after)
   fit without scrolling; the invoice excerpt still scrolls, and that's fine. */
.chart-demo--compact .chart-source,
.chart-demo--compact .chart-preview {
  height: 320px;
}

/* CI outcome pair (section 7): the two ends of the PASS/FAIL branch,
   carrying the same colours the diagram gives them. */
.outcome-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
}
.outcome-card {
  min-width: 0;
  border: 1px solid;
  border-radius: 10px;
  padding: 14px 16px;
}
.outcome-card h4 {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.outcome-card p {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: #5f5f5f;
}
.feature .outcome-card pre {
  margin: 0;
  background: #ffffff;
  color: #1b1b1b;
  padding: 11px 13px;
}
.outcome-card--pass {
  background: #eafaf0;
  border-color: #1a7f37;
}
.outcome-card--pass h4,
.feature .outcome-card--pass pre .ok {
  color: #1a7f37;
}
.outcome-card--fail {
  background: #fdecea;
  border-color: #c0392b;
}
.outcome-card--fail h4,
.feature .outcome-card--fail pre .del {
  color: #c0392b;
}

/* "Under the hood" (section 9): the graph box rises to the height of the
   document beside it, so the pair reads as one before/after. */
#feature-dependency .chart-pane,
#feature-graph .chart-pane {
  display: flex;
  flex-direction: column;
}
#feature-dependency .chart-pane pre,
#feature-graph .chart-pane pre {
  flex: 1;
}

/* Renderer interop row (section 8) */
.renderer-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.renderer-card {
  background: #fafafa;
  border: 1px solid #e6e6e6;
  border-radius: 10px;
  padding: 14px 16px;
}
.renderer-card h4 {
  margin: 0 0 6px;
  font-size: 0.86rem;
  font-weight: 750;
}
.renderer-card p {
  margin: 0;
  font-size: 0.8rem;
  color: #5f5f5f;
}
.renderer-card .verdict {
  color: #1a7f37;
  font-weight: 700;
}

/* Power tools card grid (section 10) */
.power-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.power-card {
  background: #fafafa;
  border: 1px solid #e6e6e6;
  border-radius: 10px;
  padding: 14px 16px;
}
.power-card h4 {
  margin: 0 0 6px;
  font-size: 0.88rem;
  font-weight: 750;
}
.power-card h4 code {
  background: #eee;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.92em;
}
.power-card p {
  margin: 0;
  font-size: 0.82rem;
  color: #5f5f5f;
}

/* Closing statement — outside any white box, on the page background */
.closing-statement {
  margin: 56px 0 0;
  text-align: center;
}
.closing-statement p.statement {
  font-size: 1.3rem;
  font-weight: 750;
  margin: 0 0 10px;
  color: #ffffff;
}
.closing-statement p.sub {
  margin: 0 auto;
  font-size: 0.98rem;
  color: #b9b9b9;
  max-width: 640px;
}

/* Try it out: two white cards (Playground, VS Code extension), each a
   placeholder image beside a bullet list, with an install/open pill below. */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 20px;
}
.usecase-item {
  background: #ffffff;
  color: #1b1b1b;
  border-radius: 16px;
  padding: 26px 28px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.45);
}
.usecase-item:last-child {
  grid-column: 1 / -1;
}
.usecase-item h3 {
  margin: 0 0 10px;
  font-size: 1.14rem;
  font-weight: 750;
  border: none;
}
.usecase-num {
  color: #ff453a;
}
.usecase-item p {
  margin: 0 0 10px;
  font-size: 0.92rem;
  color: #363636;
}
.usecase-item p:last-child {
  margin-bottom: 0;
}
.usecase-item code {
  background: #f0f0f0;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.88em;
}

.tryout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 20px;
}
.tryout-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #ffffff;
  color: #1b1b1b;
  border-radius: 16px;
  padding: 30px 28px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.45);
}
.tryout-top {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.tryout-image {
  flex: 0 0 33.333%;
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  background: #f0f0f0;
}
.tryout-body {
  flex: 1;
  min-width: 0;
}
.tryout-body h3 {
  margin: 0 0 10px;
  font-size: 1.32rem;
  font-weight: 750;
  border: none;
}
.tryout-top ul {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.96rem;
  color: #363636;
  list-style: square;
}
.tryout-top li {
  margin: 3px 0;
}
.tryout-top li::marker {
  color: #ff453a;
}
.tryout-top code {
  background: #f0f0f0;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.88em;
}
.tryout-btn {
  display: inline-block;
  align-self: flex-start;
  margin-top: 24px;
  padding: 11px 28px;
  border-radius: 999px;
  background: #7ee787;
  color: #1b1b1b;
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 650;
  transition: background 0.18s ease;
}
.tryout-btn:hover {
  background: #6cd977;
}

/* Featured: a two-column showcase, reusing the .feature-head bar look
   without the vertical stacking (border-top/margin-top) .feature carries */
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.featured-item > p {
  margin: 0 0 10px;
  font-size: 0.96rem;
  color: #363636;
}
/* Featured's snippets sit on white, so the terminal accents need
   light-ground values rather than the dark card's. */
.featured-item pre .c {
  color: #8a8a8a;
}
.featured-item pre .k {
  color: #0b5fa5;
}
.featured-item pre .del {
  color: #c0392b;
}
.featured-item img {
  display: block;
  width: 100%;
  margin-top: 14px;
  border-radius: 10px;
  border: 1px solid #e6e6e6;
  background: #fafafa;
}

@media (max-width: 880px) {
  .cards {
    grid-template-columns: 1fr;
  }
  .chart-demo {
    grid-template-columns: 1fr;
  }
  .chart-source,
  .chart-preview {
    height: 360px;
  }
  .outcome-row {
    grid-template-columns: 1fr;
  }
  .renderer-row {
    grid-template-columns: 1fr;
  }
  .power-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .tryout-grid {
    grid-template-columns: 1fr;
  }
  .usecase-grid {
    grid-template-columns: 1fr;
  }
  .usecase-item:last-child {
    grid-column: auto;
  }
}
@media (max-width: 640px) {
  .tryout-top {
    flex-direction: column;
  }
  .tryout-image {
    flex-basis: auto;
    width: 33.333%;
  }
}
@media (max-width: 560px) {
  .masthead {
    flex-direction: column;
    text-align: center;
    gap: 18px;
  }
  .pitch {
    transform-origin: center;
    text-align: center;
  }
  .pitch span:not(:first-child) {
    right: 50%;
    transform: translateX(50%);
  }
}
@media (max-width: 400px) {
  .pitch {
    max-width: 100%;
  }
  .pitch span {
    white-space: normal;
  }
  .pitch span:not(:first-child) {
    right: 0;
    width: 100%;
    transform: none;
  }
}