/* Hallmark · macrostructure: Feature Stack · theme: Perfect instrument studio */
:root {
  --bg: #0a0b0a;
  --bg-elev: rgba(18, 20, 18, 0.72);
  --bg-glass: rgba(16, 18, 16, 0.55);
  --line: rgba(244, 247, 240, 0.1);
  --line-strong: rgba(184, 255, 60, 0.35);
  --text: #f4f7f0;
  --muted: #9aa394;
  --accent: #b8ff3c;
  --accent-dim: rgba(184, 255, 60, 0.14);
  --danger: #ff6b6b;
  --radius: 18px;
  --font-display: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", ui-monospace, Menlo, monospace;
  --max: 1120px;
  --nav-h: 64px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  min-height: 100%;
  overflow-x: clip;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  filter: brightness(1.08);
}

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

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #0a0b0a;
  padding: 0.6rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

/* —— Nav —— */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: block;
  flex-shrink: 0;
  object-fit: cover;
}

.nav-links {
  display: none;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .nav-links {
    display: flex;
  }
}

/* —— Buttons —— */
.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #0a0b0a;
}

.btn-primary:hover {
  filter: none;
  background: #c8ff5c;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: rgba(244, 247, 240, 0.28);
  filter: none;
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.chip-live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* —— Layout —— */
.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.section {
  padding: 5.5rem 0;
}

.section-tight {
  padding: 3.5rem 0;
}

.kicker {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  overflow-wrap: anywhere;
  min-width: 0;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  margin: 0 0 1rem;
}

h3 {
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
}

.lede,
.prose-p {
  color: var(--muted);
  max-width: 38rem;
}

.prose-p {
  margin: 0 0 1rem;
}

.hairline {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* —— Glass —— */
.glass {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(20px) saturate(1.15);
  -webkit-backdrop-filter: blur(20px) saturate(1.15);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 20px 50px rgba(0, 0, 0, 0.35);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: calc(100svh - var(--nav-h));
  display: grid;
  align-items: end;
  padding: 3rem 0 4rem;
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 420px at 85% 10%, rgba(184, 255, 60, 0.1), transparent 55%),
    radial-gradient(700px 380px at 10% 90%, rgba(70, 90, 140, 0.12), transparent 50%),
    url("illustrations/hero-atmosphere.png") center / cover no-repeat;
  opacity: 0.55;
  pointer-events: none;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 11, 10, 0.35) 0%, rgba(10, 11, 10, 0.92) 78%, var(--bg) 100%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: 3rem;
  }
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.hero-note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-stage {
  padding: 0.75rem;
  min-width: 0;
}

.hero-stage img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.bridge-svg {
  width: 100%;
  max-width: 420px;
  margin-top: 1.5rem;
  color: var(--muted);
}

.bridge-svg .path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  transition: none;
}

.bridge-svg .node {
  fill: var(--bg);
  stroke: rgba(184, 255, 60, 0.35);
  stroke-width: 1.5;
  transition: stroke 0.25s var(--ease), fill 0.25s var(--ease);
}

.bridge-svg .node.is-lit {
  stroke: var(--accent);
}

.bridge-svg .node-core {
  fill: var(--accent);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.bridge-svg .node-core.is-on {
  opacity: 1;
}

.bridge-svg .liquid {
  transform-box: fill-box;
  transform-origin: center bottom;
  transition: none;
  filter: url(#none);
}

.bridge-svg text {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.bridge-svg text.is-lit {
  fill: var(--text);
}

@media (prefers-reduced-motion: reduce) {
  .bridge-svg .path {
    stroke-dashoffset: 0;
  }

  .bridge-svg .node {
    stroke: var(--accent);
  }

  .bridge-svg .node-core {
    opacity: 1;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* —— Bind —— */
.bind {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .bind {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 3rem;
    align-items: start;
  }
}

.compare {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 640px) {
  .compare {
    grid-template-columns: 1fr 1fr;
  }
}

.compare > div {
  background: var(--bg);
  padding: 1.35rem 1.4rem;
}

.compare h3 {
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.compare ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.compare .with h3 {
  color: var(--accent);
}

/* —— Demo stage —— */
.demo-shell {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .demo-shell {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: stretch;
  }
}

.demo-panel {
  padding: 1.35rem 1.4rem;
  min-width: 0;
}

.prompt-box {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--text);
  min-height: 5.5rem;
  white-space: pre-wrap;
  margin: 0 0 1rem;
}

.prompt-box .cursor {
  display: inline-block;
  width: 0.55ch;
  background: var(--accent);
  margin-left: 1px;
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tool-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(0, 0, 0, 0.25);
  transition: border-color 0.35s var(--ease), color 0.35s var(--ease), background 0.35s var(--ease), transform 0.35s var(--ease);
}

.tool-chip.is-on {
  border-color: var(--line-strong);
  color: #0a0b0a;
  background: var(--accent);
  transform: translateY(-1px);
}

.prompt-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.prompt-picker button {
  appearance: none;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.prompt-picker button .tab-label {
  position: relative;
  z-index: 1;
}

.prompt-picker button.is-active,
.prompt-picker button:hover {
  color: var(--text);
  border-color: rgba(244, 247, 240, 0.28);
}

.prompt-picker button.is-active {
  color: #0a0b0a;
  border-color: transparent;
  background: var(--accent);
}

.tab-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: rgba(10, 11, 10, 0.35);
  pointer-events: none;
  z-index: 2;
}

.prompt-picker button.is-active .tab-progress {
  background: rgba(10, 11, 10, 0.45);
}

.stack-steps button .tab-progress {
  height: 2px;
  background: var(--accent);
  opacity: 0.9;
}

.tab-progress.is-running {
  animation: tabFill linear forwards;
}

@keyframes tabFill {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .tab-progress.is-running {
    animation: none;
    transform: scaleX(1);
  }
}

.copy-hint {
  min-height: 1.2em;
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

/* —— Feature stack —— */
.stack {
  display: grid;
  gap: 2rem;
}

@media (min-width: 960px) {
  .stack {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
    gap: 2.5rem;
    align-items: start;
  }

  .stack-rail {
    position: sticky;
    top: calc(var(--nav-h) + 1.5rem);
  }
}

.stack-steps {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stack-steps button {
  appearance: none;
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 12px;
  padding: 0.85rem 0.95rem 1rem;
  font: inherit;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s var(--ease);
}

.stack-steps button.is-active {
  color: var(--text);
  background: var(--accent-dim);
  border-color: var(--line-strong);
}

.stack-steps strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.stack-panel {
  padding: 0.85rem;
  min-width: 0;
  position: relative;
}

.stack-panel img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.stack-panel img.is-swap {
  opacity: 0;
  transform: translateY(6px);
}

.stack-caption {
  margin: 0.85rem 0.35rem 0.2rem;
  color: var(--muted);
  font-size: 0.92rem;
  transition: opacity 0.35s var(--ease);
}

.stack-caption.is-swap {
  opacity: 0;
}

.matrix {
  margin-top: 2.5rem;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.matrix article {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.matrix h3 {
  font-size: 1rem;
  margin-bottom: 0.55rem;
}

.matrix code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  display: block;
  line-height: 1.55;
}

/* —— Timeline —— */
.timeline {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
}

.timeline li {
  position: relative;
  padding: 0 0 1.75rem 1.5rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.45rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline strong {
  display: block;
  margin-bottom: 0.25rem;
}

.timeline p {
  margin: 0;
  color: var(--muted);
}

/* —— Safety / limits —— */
.panel-lg {
  padding: 1.75rem 1.5rem;
}

@media (min-width: 720px) {
  .panel-lg {
    padding: 2rem 2.1rem;
  }
}

.modes {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

@media (min-width: 720px) {
  .modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.modes dt {
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.modes dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.limit-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .limit-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.limit-list li {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.limit-list strong {
  display: block;
  margin-bottom: 0.35rem;
}

.limit-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* —— Privacy strip —— */
.privacy-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

@media (min-width: 720px) {
  .privacy-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.privacy-grid h3 {
  font-size: 0.95rem;
}

.privacy-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* —— Download band —— */
.download-band {
  padding: 2rem 1.5rem;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 800px) {
  .download-band {
    grid-template-columns: 1.2fr auto;
    align-items: center;
    padding: 2.25rem 2rem;
  }
}

.install-ol {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.install-ol li {
  margin-bottom: 0.35rem;
}

.download-actions {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  align-items: stretch;
}

/* —— Why / maker —— */
.why-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 900px) {
  .why-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2.5rem;
  }
}

.why-main {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}

.why-fills {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .why-fills {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.how-split {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 900px) {
  .how-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.5rem;
    align-items: start;
  }
}

.how-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.how-anchor {
  margin-top: 1.5rem;
  padding: 1.15rem 1.2rem;
}

.how-anchor-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

.visual-frame {
  margin: 0;
  min-width: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #050605;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 24px 60px rgba(0, 0, 0, 0.35);
  will-change: transform;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

.visual-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.visual-frame-tall img,
.visual-frame-sticky img {
  aspect-ratio: 4 / 3;
  max-height: min(52vh, 460px);
  width: 100%;
  object-fit: cover;
}

.why-art img {
  aspect-ratio: 4 / 5;
  max-height: min(64vh, 560px);
  object-fit: cover;
}

@media (min-width: 900px) {
  .visual-frame-sticky {
    position: sticky;
    top: calc(var(--nav-h) + 1.5rem);
  }
}

.bind .visual-frame {
  align-self: stretch;
}

.bind .visual-frame img {
  height: 100%;
  min-height: 240px;
  max-height: none;
  object-fit: cover;
}

@media (prefers-reduced-motion: reduce) {
  .visual-frame {
    transition: none;
    transform: none !important;
  }
}

.letter {
  font-size: 1.05rem;
  max-width: 40rem;
}

.letter p {
  color: var(--muted);
}

.maker {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 640px) {
  .maker {
    grid-template-columns: 140px minmax(0, 1fr);
  }
}

.maker img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.maker-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 0.75rem;
  font-size: 0.92rem;
}

/* —— Workshop —— */
.workshop {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.workshop li {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

@media (min-width: 720px) {
  .workshop li {
    grid-template-columns: minmax(0, 0.35fr) minmax(0, 0.65fr);
    gap: 1.5rem;
    align-items: baseline;
  }
}

.workshop a {
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
}

.workshop a:hover {
  color: var(--accent);
}

.workshop span {
  color: var(--muted);
  font-size: 0.95rem;
}

/* —— FAQ —— */
.faq {
  margin: 1.25rem 0 0;
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--muted);
  font-weight: 400;
}

.faq details[open] summary::after {
  content: "–";
}

.faq p {
  margin: 0.75rem 0 0;
  color: var(--muted);
  max-width: 40rem;
}

/* —— Support —— */
.support-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

@media (min-width: 720px) {
  .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.support-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.2);
  text-decoration: none;
  color: inherit;
  min-width: 0;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.support-item strong {
  color: var(--text);
}

.support-item span {
  color: var(--muted);
  font-size: 0.9rem;
}

.support-item.is-copied {
  border-color: var(--line-strong);
}

/* —— Footer —— */
.footer {
  padding: 3rem 0 2.5rem;
  border-top: 1px solid var(--line);
}

.footer-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.25rem 0 2rem;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-meta a {
  color: var(--muted);
  text-decoration: none;
}

.footer-meta a:hover {
  color: var(--accent);
}

/* —— Privacy page —— */
.privacy-page {
  padding: 3rem 0 4rem;
}

.privacy-page h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.privacy-page h2 {
  margin-top: 2rem;
  font-size: 1.35rem;
}

.privacy-page ul {
  color: var(--muted);
}

/* —— Doc / playbook —— */
.doc-page {
  padding-bottom: 4rem;
}

.doc-hero {
  padding: 3.25rem 0 2rem;
}

.doc-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 960px) {
  .doc-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 2.75rem;
  }

  .doc-toc {
    position: sticky;
    top: calc(var(--nav-h) + 1rem);
  }
}

.doc-toc {
  padding: 1.1rem 1.15rem;
  min-width: 0;
}

.doc-toc-label {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.doc-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.doc-toc a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.35;
  display: block;
  padding: 0.35rem 0.55rem 0.35rem 0.7rem;
  border-left: 2px solid transparent;
  border-radius: 0 8px 8px 0;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.doc-toc a:hover {
  color: var(--text);
  filter: none;
}

.doc-toc a[aria-current="true"] {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-dim);
  filter: none;
}

.doc-section {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.doc-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.doc-section h3 {
  margin: 1.35rem 0 0.55rem;
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text);
}

.doc-steps {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.doc-bullets {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.doc-prompt {
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.doc-callout {
  margin-top: 1.25rem;
  padding: 1.1rem 1.2rem;
}

.doc-callout strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.4rem;
}

.doc-callout p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.doc-table-wrap {
  margin-top: 1.15rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 520px;
}

.doc-table th,
.doc-table td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.doc-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.25);
}

.doc-table tr:last-child td {
  border-bottom: 0;
}

.doc-table td {
  color: var(--muted);
}

.doc-table code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
}

/* —— Footer grid —— */
.footer-grid {
  display: grid;
  gap: 1.75rem;
  margin-bottom: 2rem;
}

@media (min-width: 720px) {
  .footer-grid {
    grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
    gap: 2rem;
  }
}

.footer-brand {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
}

.footer-col-title {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.footer-grid a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.footer-grid a:hover {
  color: var(--accent);
  filter: none;
}

.nav-links a[aria-current="page"] {
  color: var(--text);
}

/* —— Reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}