/* =========================================================================
   ILoveMusic — Landing Page
   Light-first editorial system. Palette sampled directly from the
   StudioForm.jpg color-block reference (#e64c28 / #e8e8e8 / #161616).
   Flat color, no gradients, near-zero border-radius except floating
   "fragment" pills. Space Grotesk (real app typeface) for reading,
   JetBrains Mono (real app typeface) for technical text, DotGothic16
   (OFL, Google Fonts) as the LED/bitmap accent — used only in small doses.
   ========================================================================= */

:root {
  --paper: #ece9e2;
  --paper-deep: #dfdad0;
  --cream: #f5f2ea;
  --ink: #161616;
  --ink-soft: #45423a;
  --ink-faint: #5f5a4c;

  --orange: #e64c28;
  --orange-deep: #b93a1e;
  --orange-soft: #f6d9cc;
  /* darker vermilion for small text on light backgrounds — the vivid
     --orange fails WCAG AA as small text on --paper (3.2:1) */
  --orange-text: #a8341a;

  --dark: #161616;
  --dark-raised: #201f1c;
  --dark-ink: #ece9e2;
  --dark-line: rgba(236, 233, 226, 0.16);
  --dark-faint: #948f80;

  --line: rgba(22, 22, 22, 0.14);
  --line-strong: rgba(22, 22, 22, 0.28);

  --acc-cyan: #3f8fa1;
  --acc-yellow: #c99a1f;
  --acc-green: #4c7a4f;
  --acc-blue: #3e5fa0;

  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, Consolas, monospace;
  --font-bitmap: 'DotGothic16', var(--font-mono);

  --radius: 3px;
  --radius-pill: 999px;

  --container: 1320px;
  --edge: clamp(1.25rem, 5vw, 4.5rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------------------------------------------------------------------
   Reset / base
   --------------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: hidden; width: 100%; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  /* the marquee ticker is driven entirely by JS (see scrollMarquee in
     main.js), which ignores reduceMotion by design — decorative, non-
     disorienting, and the user explicitly asked for it to keep moving */
  /* the one-shot scroll-in reveal (fade + blur + slight rise) is mild and
     non-repeating, not the kind of continuous/parallax motion reduced-motion
     guards against — keep it playing. The hero parallax (tied continuously
     to scroll position) stays disabled via the JS reduceMotion check. */
  [data-reveal] {
    transition-duration: 0.7s !important;
  }
  [data-reveal-delay="1"] { transition-delay: 0.08s !important; }
  [data-reveal-delay="2"] { transition-delay: 0.16s !important; }
  [data-reveal-delay="3"] { transition-delay: 0.24s !important; }
  /* the mobile menu slide is a direct response to a tap, not ambient motion */
  .nav-sheet { transition-duration: 0.4s !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

::selection { background: var(--orange); color: var(--paper); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--edge);
  padding-right: var(--edge);
}

.bitmap {
  font-family: var(--font-bitmap);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.label {
  font-family: var(--font-bitmap);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.label::before { content: '●'; color: var(--orange); font-size: 0.6em; }
.label.on-dark { color: var(--dark-faint); }
.label.on-dark::before { color: var(--orange); }

.index-num {
  font-family: var(--font-bitmap);
  font-size: 1rem;
  color: var(--orange-text);
  letter-spacing: 0.04em;
}

/* ---------------------------------------------------------------------
   Buttons — flat rectangles, no shadow, no gradient
   --------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.9em 1.6em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--orange); color: var(--ink); }

.btn-dark { background: var(--ink); color: var(--paper); }

.btn-outline { background: transparent; border-color: var(--ink); color: var(--ink); }

.btn-outline-dark { background: transparent; border-color: var(--dark-line); color: var(--dark-ink); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  border-bottom: 1.5px solid var(--ink);
  padding-bottom: 0.15em;
  transition: border-color 0.2s ease, color 0.2s ease, gap 0.2s ease;
}
.link-arrow.on-dark { border-color: var(--dark-line); }

/* ---------------------------------------------------------------------
   Nav
   --------------------------------------------------------------------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--edge);
  background: rgba(236, 233, 226, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--line); }

.nav-mark {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.nav-links { display: flex; align-items: center; gap: 2.1rem; }
.nav-links a:not(.btn) {
  position: relative;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s ease;
  padding-bottom: 3px;
}
.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1.5px;
  background: var(--orange);
  transition: right 0.25s var(--ease);
}
.nav-actions { display: flex; align-items: center; gap: 1.2rem; }
.nav-support { font-size: 0.88rem; font-weight: 500; color: var(--ink-soft); }

.nav-toggle {
  display: none;
  border: none;
  align-items: center; justify-content: center;
  padding: 0.5rem 0.9rem;
  color: var(--ink);
  /* same voice as the hero headline ("Download it once. Keep it
     forever."): Space Grotesk bold, tight letter-spacing — a confident
     word instead of a generic icon */
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

/* ---------------------------------------------------------------------
   Reveal-on-scroll
   --------------------------------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(6px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), filter 0.7s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; filter: blur(0); }
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }

/* ---------------------------------------------------------------------
   Hero — asymmetric editorial collage
   --------------------------------------------------------------------- */

.hero {
  padding: clamp(7rem, 13vw, 9.5rem) 0 clamp(3rem, 6vw, 5rem);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 3.2vw + 1.8rem, 5.6rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 1.1rem 0 1.4rem;
}
.hero-copy h1 span { color: var(--orange); }

.hero-copy p {
  font-size: clamp(1.02rem, 0.4vw + 0.95rem, 1.18rem);
  color: var(--ink-soft);
  max-width: 42ch;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.6rem;
  margin-top: 2.1rem;
}

.hero-actions-note {
  font-family: var(--font-bitmap);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  margin-top: 1.4rem;
}

/* visual collage */
.hero-visual {
  position: relative;
  min-height: 380px;
}
.hero-portrait-wrap {
  position: relative;
  width: min(100%, 340px);
  margin: 0 auto;
  --parallax-y: 0px;
  transform: rotate(-2deg) translateY(var(--parallax-y));
  will-change: transform;
}
.hero-portrait {
  width: 100%;
  border-radius: 0;
  box-shadow: 10px 14px 0 var(--orange);
}
.hero-bar {
  position: absolute;
  top: -8%;
  right: -12%;
  width: 100%;
  background: var(--orange);
  z-index: -1;
}

.frag {
  position: absolute;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-pill);
  padding: 0.6em 1.1em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  box-shadow: 0 14px 26px -8px rgba(22, 22, 22, 0.35);
  white-space: nowrap;
  transition: transform 0.3s var(--ease), box-shadow 0.3s ease;
}
.frag b { color: var(--orange); font-weight: 700; }

.frag-np {
  bottom: 6%;
  left: -14%;
  transform: rotate(3deg);
  display: flex;
  align-items: center;
  gap: 0.6em;
}
.frag-np::before { content: '▶'; font-size: 0.7em; color: var(--orange); }

.frag-bpm {
  top: 4%;
  right: -10%;
  transform: rotate(-4deg);
  background: var(--paper);
  color: var(--ink);
  border: 1.5px solid var(--ink);
  font-family: var(--font-bitmap);
  letter-spacing: 0.06em;
}

.frag-source {
  bottom: -6%;
  right: 8%;
  transform: rotate(-2deg);
  background: var(--cream);
  color: var(--ink);
  border: 1.5px solid var(--line-strong);
}

/* ---------------------------------------------------------------------
   Marquee strip — thin dark interruption
   --------------------------------------------------------------------- */

.strip {
  background: var(--dark);
  overflow: hidden;
  padding: 0.7rem 0;
}
.strip-track {
  display: flex;
  width: max-content;
  font-family: var(--font-bitmap);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--dark-ink);
  will-change: transform;
}
/* driven entirely by JS (see main.js scrollMarquee), which measures the
   real rendered width of one span and loops on that exact pixel value —
   a CSS % keyframe assumes the two spans are pixel-identical, which drifts
   under sub-pixel font rendering and shows as a visible jump on loop */
.strip-track span { display: inline-block; margin-right: 3rem; }
.strip-track em { color: inherit; font-style: normal; }

/* ---------------------------------------------------------------------
   Section shell
   --------------------------------------------------------------------- */

section { position: relative; }
.section-pad { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }

.section-head { max-width: 620px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 {
  font-size: clamp(1.9rem, 1.6vw + 1.4rem, 2.9rem);
  letter-spacing: -0.025em;
  line-height: 1.06;
  margin-top: 0.8rem;
  font-weight: 700;
}
.section-head p { margin-top: 1rem; color: var(--ink-soft); font-size: 1rem; line-height: 1.6; max-width: 52ch; }

.section-head-with-figure {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.section-head-with-figure > div:first-child { max-width: 620px; }
.section-head-figure {
  position: relative;
  width: clamp(220px, 22vw, 340px);
  transform: rotate(-4deg);
  transition: transform 0.4s var(--ease);
}
.section-head-figure img {
  width: 100%;
  border: 3px solid var(--ink);
  box-shadow: 8px 10px 0 var(--orange-soft);
}
.section-head-figure .art-figure-tag {
  position: absolute;
  bottom: -12px;
  left: -10px;
  transform: rotate(-3deg);
}
@media (max-width: 720px) {
  .section-head-with-figure { grid-template-columns: 1fr; }
  .section-head-figure { width: min(60vw, 240px); margin-top: 1rem; }
}

/* ---------------------------------------------------------------------
   Product intro — editorial index, not cards
   --------------------------------------------------------------------- */

.intro-lede {
  font-size: clamp(1.35rem, 1vw + 1.1rem, 1.9rem);
  line-height: 1.4;
  max-width: 58ch;
  color: var(--ink);
  font-weight: 500;
}
.intro-lede b { color: var(--orange); font-weight: 700; }

.index-list { margin-top: clamp(3rem, 6vw, 5rem); border-top: 1.5px solid var(--ink); }
.index-row {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 1.5rem 2rem;
  align-items: baseline;
  padding: 1.7rem 0;
  border-bottom: 1px solid var(--line);
}
.index-row { transition: background 0.25s ease, padding-left 0.25s ease; }
.index-row h3 { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.01em; transition: color 0.25s ease; }
.index-row p { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.55; max-width: 46ch; }
.index-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--orange-text);
  display: block;
  margin-top: 0.5rem;
}
@media (max-width: 720px) {
  .index-row { grid-template-columns: 2.5rem minmax(0,1fr); }
  /* the description + tag live inside a wrapper <div>, which is the
     actual 3rd grid item — repositioning the <p> alone did nothing, so
     the wrapper auto-flowed into the narrow 2.5rem number column instead
     of sitting under the heading, forcing every word onto its own line */
  .index-row > div { grid-column: 2; }
}

/* ---------------------------------------------------------------------
   Living demo — full-bleed dark interruption
   --------------------------------------------------------------------- */

.demo-section {
  background: var(--dark);
  color: var(--dark-ink);
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
}
.demo-head { max-width: 640px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.demo-head h2 {
  font-size: clamp(1.9rem, 1.6vw + 1.4rem, 2.9rem);
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-top: 0.8rem;
  font-weight: 700;
}
.demo-head p { margin-top: 1rem; color: var(--dark-faint); font-size: 1rem; line-height: 1.6; max-width: 52ch; }

.demo-stage {
  border: 1.5px solid var(--dark-line);
  padding: clamp(1.6rem, 4vw, 3rem);
}
.demo-row {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  flex-wrap: wrap;
}
.demo-art {
  width: 66px; height: 66px;
  background: var(--dark-raised);
  border: 1.5px solid var(--dark-line);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--dark-faint);
  transition: background 0.4s ease, color 0.4s ease;
}
.demo-art.is-loaded { background: var(--orange); color: var(--dark); }

.demo-meta { flex: 1; min-width: 200px; }
.demo-title {
  font-size: 1.3rem;
  font-weight: 700;
  min-height: 1.6em;
}
.demo-artist { color: var(--dark-faint); font-size: 0.92rem; margin-top: 0.2rem; min-height: 1.4em; }

.demo-chips { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.demo-chip {
  font-family: var(--font-bitmap);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  border: 1.5px solid var(--dark-line);
  padding: 0.4em 0.8em;
  border-radius: var(--radius-pill);
  color: var(--dark-faint);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease, border-color 0.3s ease;
}
.demo-chip.is-in { opacity: 1; transform: none; }
.demo-chip.is-hot { color: var(--orange); border-color: var(--orange); }

.demo-wave {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 44px;
  margin-top: 1.6rem;
}
.demo-wave i {
  display: block;
  width: 4px;
  background: var(--dark-line);
  border-radius: 1px;
  transition: background 0.3s ease;
}
.demo-wave i.is-active { background: var(--orange); }

.demo-progress-row {
  margin-top: 1.6rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-bitmap);
  font-size: 0.85rem;
}
.demo-progress-track {
  flex: 1;
  height: 3px;
  background: var(--dark-line);
  position: relative;
}
.demo-progress-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: var(--orange);
  transition: width 0.25s linear;
}
.demo-progress-pct { width: 4.5ch; text-align: right; color: var(--orange); }
.demo-status { color: var(--dark-faint); }

.demo-caption {
  margin-top: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--dark-faint);
}

/* ---------------------------------------------------------------------
   Features — track-listing style, not a card grid
   --------------------------------------------------------------------- */

.tracklist { border-top: 1.5px solid var(--ink); margin-top: clamp(2.5rem, 5vw, 4rem); }
.track-row {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 1.2rem 2rem;
  align-items: center;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s ease, padding-left 0.25s ease;
}
.track-row h3 { font-size: 1.1rem; font-weight: 700; transition: color 0.25s ease; }
.track-row p { color: var(--ink-soft); font-size: 0.9rem; line-height: 1.5; }
@media (max-width: 720px) {
  .track-row { grid-template-columns: 2.2rem minmax(0,1fr); }
  .track-row p { grid-column: 2 / -1; }
}

/* ---------------------------------------------------------------------
   Art interruption — bold orange block
   --------------------------------------------------------------------- */

.art-break {
  background: var(--orange);
  color: var(--ink);
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
  overflow: hidden;
}
.art-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
.art-figure { position: relative; width: fit-content; max-width: 100%; }
.art-figure > picture > img {
  width: 100%;
  max-width: 380px;
  border: 4px solid var(--ink);
  transform: rotate(1.5deg);
  position: relative;
  transition: transform 0.4s var(--ease);
}
.art-figure-tag {
  position: absolute;
  bottom: -14px;
  left: -14px;
  background: var(--ink);
  color: var(--orange);
  font-family: var(--font-bitmap);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  padding: 0.5em 0.9em;
  transform: rotate(-2deg);
}
.art-copy h2 {
  font-size: clamp(2rem, 2.6vw + 1.2rem, 3.6rem);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.art-copy p {
  margin-top: 1.3rem;
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 46ch;
  color: #2c1207;
}
.art-copy p + p { margin-top: 0.8rem; }
.art-copy .label { color: var(--ink); }
.art-copy .label::before { color: var(--ink); }

/* ---------------------------------------------------------------------
   Work your way
   --------------------------------------------------------------------- */

.paths { margin-top: clamp(2.5rem, 5vw, 4rem); display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--line-strong); }

.path {
  background: var(--paper);
  padding: clamp(2rem, 4vw, 3rem) 0;
  /* .paths is a grid; a grid item defaults to min-width:auto, which
     refuses to shrink below its content's min-content size. The code
     block's unbreakable "git clone git@github.com:..." line was winning
     that fight and stretching this whole row past the viewport on
     mobile, silently clipped by the page-level overflow-x:hidden rather
     than wrapped or scrolled — this is what actually fixes it. */
  min-width: 0;
}
.path-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.path-copy, .path-inner > .code { min-width: 0; }
.path-copy h3 { font-size: 1.6rem; margin-top: 0.7rem; font-weight: 700; letter-spacing: -0.01em; }
.path-copy p { margin-top: 0.7rem; color: var(--ink-soft); line-height: 1.6; font-size: 0.95rem; max-width: 40ch; }
.path-copy .link-arrow { margin-top: 1.3rem; }

.path.is-dark { background: var(--dark); color: var(--dark-ink); }
.path.is-dark .path-copy p { color: var(--dark-faint); }
.path.is-dark .label { color: var(--dark-faint); }

.code {
  background: var(--dark);
  color: var(--dark-ink);
  border: 1.5px solid var(--dark-line);
}
.path.is-dark .code { border-color: var(--dark-line); background: var(--dark-raised); }
.code-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--dark-line);
  font-family: var(--font-bitmap);
  font-size: 0.68rem;
  color: var(--dark-faint);
  letter-spacing: 0.05em;
}
.code-copy {
  color: var(--dark-faint);
  font-family: var(--font-bitmap);
  font-size: 0.68rem;
  display: flex; align-items: center; gap: 0.4em;
  transition: color 0.2s ease;
}
.code pre { margin: 0; padding: 1.1rem 1.2rem; overflow-x: auto; font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.7; }
.code code { color: var(--dark-ink); }
.code .tok-cmd { color: var(--orange); }
.code .tok-str { color: #9fd1a6; }
.code .tok-com { color: var(--dark-faint); }

/* ---------------------------------------------------------------------
   Quick start
   --------------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1.5px solid var(--ink);
}
.step { padding: 1.6rem 1.6rem 0 0; }
.step .index-num { display: block; font-size: 1.4rem; }
.step h3 { font-size: 1.05rem; margin: 0.9rem 0 0.5rem; font-weight: 700; }
.step p { color: var(--ink-soft); font-size: 0.88rem; line-height: 1.55; }

.quickstart-cli { margin-top: clamp(2.5rem, 5vw, 3.5rem); max-width: 640px; }
.quickstart-foot { margin-top: 1.8rem; display: flex; align-items: center; gap: 1.6rem; flex-wrap: wrap; }

@media (max-width: 720px) {
  .steps { grid-template-columns: 1fr; }
  .step { border-bottom: 1px solid var(--line); padding-bottom: 1.4rem; }
}

/* ---------------------------------------------------------------------
   Platforms — flat inline strip
   --------------------------------------------------------------------- */

.platform-strip {
  margin-top: clamp(2rem, 4vw, 3rem);
  border-top: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
}
.platform-row {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
.platform-row:last-child { border-bottom: none; }
.platform-row { transition: background 0.25s ease, padding-left 0.25s ease; }
.platform-row h3 { font-size: 1.15rem; font-weight: 700; }
.platform-row p { color: var(--ink-soft); font-size: 0.86rem; }
.platform-row .index-tag { color: var(--ink-faint); }
@media (max-width: 640px) {
  .platform-row { grid-template-columns: 1fr; gap: 0.3rem; }
}

/* ---------------------------------------------------------------------
   Docs / Open source / Support — three distinct treatments
   --------------------------------------------------------------------- */

.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }

.trio-block { display: flex; flex-direction: column; height: 100%; }
.trio-block h3 { font-size: 1.4rem; font-weight: 700; margin: 0.8rem 0 0.8rem; letter-spacing: -0.01em; }
.trio-block p { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.6; flex: 1; }

.trio-links { margin-top: 1.3rem; display: grid; gap: 0.55rem; }
.trio-links a { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink); transition: color 0.2s ease; }

.trio-stat { display: flex; gap: 2rem; margin-top: 1rem; }
.trio-stat b { display: block; font-family: var(--font-bitmap); font-size: 1.7rem; color: var(--orange); }
.trio-stat span { font-size: 0.72rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.06em; }

.trio-block.is-inverse { background: var(--ink); color: var(--paper); padding: 1.8rem; }
.trio-block.is-inverse p { color: var(--dark-faint); }
.trio-block.is-inverse .trio-links a { color: var(--paper); }

@media (max-width: 860px) {
  .trio { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------
   Roadmap
   --------------------------------------------------------------------- */

.roadmap { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(2rem, 4vw, 3rem); margin-top: clamp(2.5rem, 5vw, 4rem); }
.roadmap-col-label {
  font-family: var(--font-bitmap);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding-bottom: 1rem;
  border-bottom: 1.5px solid var(--ink);
  display: flex;
  justify-content: space-between;
}
.roadmap-col.now .roadmap-col-label { color: var(--orange-text); }
.roadmap-col.ahead .roadmap-col-label { color: var(--ink-faint); }
.roadmap-list { margin-top: 1.2rem; display: grid; gap: 1rem; }
.roadmap-item { padding: 0.9rem 0; border-bottom: 1px solid var(--line); font-size: 0.98rem; color: var(--ink); font-weight: 500; transition: padding-left 0.25s ease; }
.roadmap-item span { display: block; margin-top: 0.3rem; font-size: 0.82rem; color: var(--ink-soft); font-weight: 400; }
.roadmap-note { margin-top: 1.2rem; font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-faint); line-height: 1.6; }

@media (max-width: 720px) { .roadmap { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------------
   FAQ — plain list, HeyClicky-simple
   --------------------------------------------------------------------- */

.faq-list { margin-top: clamp(2rem, 4vw, 3rem); border-top: 1.5px solid var(--ink); max-width: 780px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 0;
  text-align: left;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 600;
}
.faq-q-icon { flex-shrink: 0; font-family: var(--font-mono); font-size: 1.1rem; color: var(--orange-text); transition: transform 0.3s var(--ease); }
.faq-q[aria-expanded="true"] .faq-q-icon { transform: rotate(45deg); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height 0.4s var(--ease); }
.faq-a-inner { padding: 0 0 1.5rem; color: var(--ink-soft); font-size: 0.92rem; line-height: 1.65; max-width: 62ch; }

/* ---------------------------------------------------------------------
   Final CTA
   --------------------------------------------------------------------- */

.final-cta { padding: clamp(5rem, 10vw, 8rem) 0; }
.final-cta-inner { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(0,1fr); gap: 2rem; align-items: end; }
.final-cta h2 {
  font-size: clamp(2.4rem, 3.5vw + 1rem, 4.4rem);
  letter-spacing: -0.03em;
  line-height: 0.98;
  font-weight: 700;
}
.final-cta h2 span { color: var(--orange); }
.final-cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 1.2rem; }
.final-cta-actions .btn { width: 100%; justify-content: center; }
@media (max-width: 760px) {
  .final-cta-inner { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------
   Footer — compact black
   --------------------------------------------------------------------- */

.footer { background: var(--dark); color: var(--dark-ink); padding: clamp(2.5rem, 5vw, 3.5rem) 0 1.8rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 2rem; }
.footer-brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; }
.footer-tagline { margin-top: 0.8rem; color: var(--dark-faint); font-size: 0.82rem; max-width: 26ch; }
.footer-col h4 { font-family: var(--font-bitmap); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--dark-faint); margin-bottom: 0.9rem; }
.footer-col ul { display: grid; gap: 0.6rem; }
.footer-col a { font-size: 0.85rem; color: var(--dark-ink); transition: color 0.2s ease; }
.footer-bottom {
  margin-top: 2.2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--dark-line);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  font-family: var(--font-bitmap);
  font-size: 0.68rem;
  color: var(--dark-faint);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand, .footer-tagline { grid-column: 1 / -1; }
}
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; } }

/* =========================================================================
   Responsive — hero, art, hero visuals
   ========================================================================= */

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; margin-bottom: 2.5rem; }
  .path-inner { grid-template-columns: 1fr; }
  .art-grid { grid-template-columns: 1fr; text-align: left; }
}

@media (max-width: 720px) {
  .nav-links, .nav-support, .nav-mark { display: none; }
  .nav-toggle { display: flex; }
  .final-cta-actions { width: 100%; }

  /* floating pill nav: detached from the top edge, shrink-to-fit width,
     independent of document flow (already position:fixed) so hiding it
     never shifts layout. Visible only at the absolute top of the page;
     see the onScroll handler in main.js for the show/hide logic. Only
     the "Menu" button lives in it now, so it's a single compact chip
     rather than a wordmark-plus-button bar. */
  .nav {
    top: 14px;
    left: 50%;
    right: auto;
    justify-content: center;
    transform: translateX(-50%);
    width: auto;
    max-width: calc(100% - 2rem);
    padding: 0.3rem;
    border-radius: var(--radius-pill);
    border-bottom: none;
    box-shadow: 0 10px 30px -10px rgba(22, 22, 22, 0.28);
    transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
  }
  .nav.is-scrolled { border-bottom-color: transparent; }
  .nav.is-hidden {
    transform: translateX(-50%) translateY(-130%);
    opacity: 0;
    pointer-events: none;
  }
  /* scroll-snap per section on mobile — each section locks into place as
     you scroll, so you never stop halfway through one (Reels/TikTok-style).
     Desktop keeps normal free scrolling; sections vary too much in height
     there for hard snapping to feel good. scroll-margin-top offsets the
     snap position by the fixed nav's height so it doesn't cover the top
     of whatever section just snapped into view. */
  /* unlike the marquee/reveal/menu-slide exemptions elsewhere, this one
     is a judgment call worth flagging: scroll-snap overrides the user's
     own scroll momentum on every single scroll gesture, not just a short
     one-shot animation, which is closer to what prefers-reduced-motion
     exists to prevent. Kept it unconditional anyway, matching every other
     motion request this session, all of which needed the same override
     to be visible at all on a device with Reduce Motion on. */
  html { scroll-snap-type: y mandatory; }
  main > section, .footer {
    scroll-snap-align: start;
    scroll-snap-stop: always;
    scroll-margin-top: 64px;
  }
}

@media (max-width: 560px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }

  /* tame the editorial bleed so nothing exceeds the viewport on small screens */
  .hero-visual { padding: 0 0.75rem; }
  .hero-portrait-wrap { width: min(58vw, 210px); transform: rotate(-1.5deg) translateY(var(--parallax-y)); }
  .hero-bar { top: -5%; right: -6%; }
  .frag { font-size: 0.6rem; padding: 0.45em 0.75em; }
  .frag-np { left: -4%; }
  .frag-bpm { right: -3%; }
  .frag-source { right: 2%; }
}

@media (max-width: 720px) {
  /* with scroll-snap active on mobile, the hero needs to actually fit
     one screen — otherwise it "locks" into place with its own bottom
     content (paragraph, CTA) hanging past the fold, which reads as
     broken rather than snapped. Compact the whole stack: less top
     clearance above the nav, a smaller portrait, tighter type and
     spacing throughout. */
  .hero { padding-top: clamp(4.5rem, 18vw, 5.5rem); padding-bottom: 1.5rem; }
  .hero-grid { gap: 1.1rem; }
  .hero-visual { min-height: 0; margin-bottom: 0.5rem; }
  .hero-copy h1 {
    font-size: clamp(2.1rem, 8vw, 2.6rem);
    line-height: 0.98;
    margin: 0.7rem 0 0.8rem;
  }
  .hero-copy p { font-size: 0.95rem; max-width: 38ch; }
  .hero-actions { margin-top: 1.3rem; gap: 0.9rem; }
  .hero-actions-note { margin-top: 0.9rem; }
}

/* mobile nav sheet */
.nav-sheet {
  position: fixed;
  inset: 0;
  z-index: 600;
  background: var(--dark);
  color: var(--dark-ink);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1.5rem;
  padding: var(--edge);
  transform: translateX(100%);
  transition: transform 0.4s var(--ease);
}
.nav-sheet.is-open { transform: translateX(0); }
.nav-sheet a { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.01em; }
.nav-sheet-close {
  position: absolute;
  top: 1.15rem;
  right: var(--edge);
  border: 1.5px solid var(--dark-line);
  color: var(--dark-ink);
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
}

/* =========================================================================
   Hover states — gated to real pointer devices only.

   Every :hover rule in this file lives here instead of next to its base
   rule. On a touch device there is no cursor to "leave", so a tap can
   trigger :hover and it just sticks — the row you last tapped stays
   permanently highlighted as if a mouse were still parked on it. Scoping
   all of it behind (hover: hover) and (pointer: fine) means touchscreens
   never enter these rules in the first place, so nothing can get stuck.
   ========================================================================= */
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: var(--ink); color: var(--orange); }
  .btn-dark:hover { background: var(--orange); color: var(--ink); }
  .btn-outline:hover { border-color: var(--orange-text); color: var(--orange-text); }
  .btn-outline-dark:hover { border-color: var(--orange); color: var(--orange); }

  .link-arrow:hover { border-color: var(--orange-text); color: var(--orange-text); gap: 0.75em; }
  .link-arrow.on-dark:hover { border-color: var(--orange); color: var(--orange); }

  .nav-links a:not(.btn):hover { color: var(--orange-text); }
  .nav-links a:not(.btn):hover::after { right: 0; }
  .nav-support:hover { color: var(--orange); }

  .frag:hover { box-shadow: 0 22px 36px -8px rgba(22, 22, 22, 0.45); }
  .frag-np:hover { transform: rotate(3deg) translateY(-5px); }
  .frag-bpm:hover { transform: rotate(-4deg) translateY(-5px); }
  .frag-source:hover { transform: rotate(-2deg) translateY(-5px); }

  .section-head-figure:hover { transform: rotate(-1deg) scale(1.03); }

  .index-row:hover { background: var(--cream); padding-left: 0.6rem; }
  .index-row:hover h3 { color: var(--orange-text); }

  .track-row:hover { background: var(--cream); padding-left: 0.6rem; }
  .track-row:hover h3 { color: var(--orange-text); }

  .art-figure:hover > picture > img { transform: rotate(0.5deg) scale(1.01); }

  .code-copy:hover { color: var(--orange); }

  .platform-row:hover { background: var(--cream); padding-left: 0.6rem; }

  .trio-links a:hover { color: var(--orange-text); }
  .trio-block.is-inverse .trio-links a:hover { color: var(--orange); }

  .roadmap-item:hover { padding-left: 0.6rem; }

  .footer-col a:hover { color: var(--orange); }
}