/* NewTube landing page. Plain CSS, no build step, no third-party requests.
   Dark by default; a light theme follows prefers-color-scheme. */

:root {
  --bg: #0b0e1d;
  --bg-alt: #0f1328;
  --surface: #141937;
  --surface-2: #1a2046;
  --line: rgba(173, 182, 235, 0.13);
  --line-strong: rgba(173, 182, 235, 0.26);
  --text: #eceefb;
  --text-2: #b9bedd;
  --text-3: #979dc4;
  --link: #aeb8fa;
  --link-hover: #d3d9ff;
  --accent-a: #c3cbff;
  --accent-b: #7e8ef0;
  --btn-bg: #e1e5ff;
  --btn-bg-hover: #ffffff;
  --btn-text: #16205e;
  --ghost-bg: rgba(173, 182, 235, 0.06);
  --ghost-bg-hover: rgba(173, 182, 235, 0.12);
  --tint: rgba(92, 107, 192, 0.18);
  --tint-strong: rgba(92, 107, 192, 0.3);
  --glow-a: rgba(92, 107, 192, 0.62);
  --glow-b: rgba(30, 42, 120, 0.35);
  --hero-wash: rgba(30, 42, 120, 0.55);
  --focus: #aeb8fa;
  --ok: #8fd1a8;
  --phone-shadow: drop-shadow(0 28px 48px rgba(0, 0, 0, 0.55));
  --card-shadow: none;
  --header-bg: rgba(11, 14, 29, 0.72);

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --gutter: 16px;
  --maxw: 1160px;
  --radius: 20px;
  --radius-sm: 12px;
  --header-h: 60px;

  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fc;
    --bg-alt: #eef0f9;
    --surface: #ffffff;
    --surface-2: #f3f5fc;
    --line: rgba(22, 32, 94, 0.1);
    --line-strong: rgba(22, 32, 94, 0.2);
    --text: #10153a;
    --text-2: #3d4470;
    --text-3: #555c88;
    --link: #3141a8;
    --link-hover: #16205e;
    --accent-a: #1e2a78;
    --accent-b: #5061c4;
    --btn-bg: #1e2a78;
    --btn-bg-hover: #16205e;
    --btn-text: #ffffff;
    --ghost-bg: rgba(30, 42, 120, 0.04);
    --ghost-bg-hover: rgba(30, 42, 120, 0.09);
    --tint: rgba(92, 107, 192, 0.12);
    --tint-strong: rgba(92, 107, 192, 0.22);
    --glow-a: rgba(92, 107, 192, 0.42);
    --glow-b: rgba(121, 134, 203, 0.18);
    --hero-wash: rgba(121, 134, 203, 0.28);
    --focus: #3141a8;
    --ok: #2f7d4f;
    --phone-shadow: drop-shadow(0 26px 40px rgba(22, 32, 94, 0.28));
    --card-shadow: 0 1px 2px rgba(22, 32, 94, 0.05), 0 8px 24px -12px rgba(22, 32, 94, 0.12);
    --header-bg: rgba(246, 247, 252, 0.78);
    color-scheme: light;
  }
}

@media (min-width: 600px) { :root { --gutter: 24px; } }
@media (min-width: 1024px) { :root { --gutter: 32px; } }

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3 { margin: 0; line-height: 1.15; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; }
p + p { margin-top: 0.9em; }

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

strong { font-weight: 650; color: var(--text); }

code {
  font-family: var(--mono);
  font-size: 0.875em;
  padding: 0.1em 0.38em;
  border-radius: 6px;
  background: var(--tint);
  color: var(--text);
  overflow-wrap: anywhere;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: calc(var(--maxw) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--btn-bg);
  color: var(--btn-text);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: 10px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 20px; height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-sm { width: 16px; height: 16px; }
.icon .fill, symbol .fill { fill: currentColor; stroke: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.975rem;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}
.btn:active { transform: translateY(1px); }
.btn-lg { min-height: 52px; padding: 13px 24px; font-size: 1.02rem; }
.btn-sm { min-height: 36px; padding: 6px 14px; font-size: 0.9rem; }

.btn-primary { background: var(--btn-bg); color: var(--btn-text); }
.btn-primary:hover { background: var(--btn-bg-hover); color: var(--btn-text); }

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

.btn-secondary {
  background: var(--tint-strong);
  color: var(--text);
}
.btn-secondary:hover { background: var(--tint); color: var(--text); box-shadow: inset 0 0 0 1px var(--line-strong); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.brand:hover { color: var(--text); }
.brand img { border-radius: 8px; }

.nav { display: none; margin-left: auto; }
.nav ul { display: flex; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav a {
  display: block;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 0.94rem;
  font-weight: 500;
  text-decoration: none;
}
.nav a:hover { color: var(--text); background: var(--ghost-bg-hover); }

.header-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; }

.icon-link {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 999px;
  color: var(--text-2);
}
.icon-link:hover { color: var(--text); background: var(--ghost-bg-hover); }

@media (min-width: 760px) {
  .nav { display: block; }
  .header-actions { margin-left: 8px; }
}

/* ---------- Hero ---------- */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.pills li {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--tint);
  color: var(--text-2);
  font-size: 0.82rem;
  font-weight: 550;
  line-height: 1.35;
  white-space: nowrap;
}

.hero {
  position: relative;
  overflow: clip;
  padding-block: 40px 56px;
  background:
    radial-gradient(900px 520px at 78% -8%, var(--hero-wash), transparent 70%),
    radial-gradient(700px 420px at -10% 10%, var(--tint), transparent 70%);
}

.hero-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  margin-top: 22px;
  font-size: clamp(2rem, 1rem + 4.6vw, 4.25rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.035em;
}
.hero h1 .line { display: block; }
.accent {
  background: linear-gradient(95deg, var(--accent-a), var(--accent-b));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-bottom: 0.06em; /* keeps descenders inside the clipped background */
}
@media (forced-colors: active) { .accent { color: CanvasText; background: none; } }

.hero-lead {
  margin-top: 22px;
  max-width: 34rem;
  color: var(--text-2);
  font-size: clamp(1.06rem, 1rem + 0.35vw, 1.25rem);
  line-height: 1.55;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.release-line,
.meta-line {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-3);
  font-size: 0.92rem;
}
.release-line { margin-top: 20px; color: var(--text-2); }
.release-line[hidden] { display: none; }
.release-line strong { font-weight: 650; }
.release-line + .meta-line { margin-top: 4px; }
.cta-row + .meta-line { margin-top: 20px; }
.release-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.hero-visual .phone { width: min(64vw, 270px); }

.phone { filter: var(--phone-shadow); }

.glow {
  position: absolute;
  z-index: -1;
  inset: 50% auto auto 50%;
  width: 150%;
  aspect-ratio: 1;
  max-width: 640px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(closest-side, var(--glow-a), var(--glow-b) 55%, transparent 100%);
  pointer-events: none;
}
.glow-sm { width: 130%; max-width: 520px; }

@media (min-width: 960px) {
  .hero { padding-block: 72px 88px; }
  .hero-grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr); gap: 48px; }
  .hero-visual .phone { width: 310px; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * { animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .hero-copy > :nth-child(2) { animation-delay: 0.05s; }
  .hero-copy > :nth-child(3) { animation-delay: 0.1s; }
  .hero-copy > :nth-child(n + 4) { animation-delay: 0.15s; }
  .hero-visual .phone { animation: rise 0.9s 0.1s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .hero-visual .glow { animation: fade 1.4s ease both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Screenshot strip ---------- */
.shots-section { padding-block: 8px 24px; }

.shots {
  display: flex;
  gap: 16px;
  margin: 0 calc(-1 * var(--gutter));
  padding: 12px var(--gutter) 20px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.shots:focus-visible { outline-offset: -2px; border-radius: 0; }
.shots > li { flex: 0 0 58%; scroll-snap-align: start; }
.shots figure { margin: 0; }
.shots img { width: 100%; filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.35)); }
.shots video { display: block; width: 100%; height: auto; background: #000; filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.35)); }
.shots figcaption,
.landscape figcaption {
  margin-top: 12px;
  color: var(--text-3);
  font-size: 0.9rem;
  text-align: center;
}

@media (min-width: 640px) {
  .shots > li { flex-basis: 30%; }
}
@media (min-width: 1000px) {
  .shots {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 24px;
    margin: 0;
    padding: 12px 0 8px;
    overflow: visible;
  }
}

/* ---------- Sections ---------- */
.section { padding-block: clamp(64px, 9vw, 112px); overflow-x: clip; }
.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--line);
}

.section-head { max-width: 40rem; }
.section-head-center { margin-inline: auto; text-align: center; }
.section-head-center .cta-row,
.section-head-center .release-line,
.section-head-center .meta-line { justify-content: center; }

.eyebrow {
  margin-bottom: 12px;
  color: var(--link);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section h2 {
  font-size: clamp(1.8rem, 1.2rem + 2.6vw, 2.75rem);
  font-weight: 750;
  letter-spacing: -0.03em;
}

.section-lead {
  margin-top: 16px;
  color: var(--text-2);
  font-size: 1.08rem;
}
.section-head > p:not(.eyebrow):not(.section-lead) { margin-top: 14px; color: var(--text-2); }

/* ---------- Feature cards ---------- */
.cards {
  display: grid;
  gap: 16px;
  margin-top: 40px;
}
@media (min-width: 680px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; } }

.card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--card-shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--line-strong); }
.card h3 { margin-top: 18px; font-size: 1.14rem; font-weight: 650; letter-spacing: -0.01em; }
.card p { margin-top: 8px; color: var(--text-2); font-size: 0.97rem; line-height: 1.6; }

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--tint);
  color: var(--link);
}
.card-icon .icon { width: 22px; height: 22px; }

/* Everything else */
.more {
  display: grid;
  gap: 32px;
  align-items: center;
  margin-top: 56px;
}
.more-copy h3 { font-size: 1.3rem; font-weight: 650; }
.checklist { margin: 18px 0 0; padding: 0; list-style: none; }
.checklist li {
  position: relative;
  padding: 9px 0 9px 30px;
  color: var(--text-2);
  border-top: 1px solid var(--line);
}
.checklist li:last-child { border-bottom: 1px solid var(--line); }
.checklist li::before {
  content: "";
  position: absolute;
  left: 2px; top: 17px;
  width: 12px; height: 7px;
  border-left: 2px solid var(--link);
  border-bottom: 2px solid var(--link);
  transform: rotate(-45deg);
}

.landscape { margin: 0; }
.landscape img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  background: #000;
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.6);
}

@media (min-width: 1000px) {
  .more { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 56px; }
}

/* ---------- Sign-in ---------- */
.split { display: grid; gap: 48px; align-items: center; }
.split-visual {
  position: relative;
  display: grid;
  place-items: center;
  margin: 0;
  isolation: isolate;
}
.split-visual .phone { width: min(66vw, 280px); }

@media (min-width: 960px) {
  .split { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 72px; }
  .split-visual .phone { width: 290px; }
}

.steps {
  counter-reset: step;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}
.steps li {
  position: relative;
  counter-increment: step;
  padding: 0 0 28px 60px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: -4px;
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  color: var(--link);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.steps li::after {
  content: "";
  position: absolute;
  left: 20px; top: 40px; bottom: 4px;
  width: 1px;
  background: var(--line-strong);
}
.steps li:last-child { padding-bottom: 0; }
.steps li:last-child::after { display: none; }
.steps h3 { font-size: 1.1rem; font-weight: 650; }
.steps p { margin-top: 6px; color: var(--text-2); }

.note {
  margin-top: 32px;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text-2);
  font-size: 0.95rem;
}

/* ---------- How fast ---------- */
.fast { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) {
  .fast { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 64px; }
}

.hero-figure { margin-top: 32px; }
.hero-figure-value {
  font-size: clamp(3.2rem, 2rem + 5vw, 4.8rem);
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text);
}
.hero-figure-label { margin-top: 10px; color: var(--text-3); font-size: 0.95rem; }

.table-card {
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--card-shadow);
  overflow-x: auto;
}

table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 18px; text-align: left; vertical-align: top; }
thead th {
  color: var(--text-3);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line-strong);
}
tbody tr + tr th, tbody tr + tr td { border-top: 1px solid var(--line); }
tbody th { font-weight: 500; color: var(--text); }
tbody td { color: var(--text-2); }

.data-table td,
.data-table thead th:not(:first-child) {
  width: 1%;
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.data-table tbody td { color: var(--text); font-weight: 550; }

@media (max-width: 479px) {
  th, td { padding: 12px 12px; }
  .data-table tbody th { font-size: 0.92rem; }
}

/* ---------- Built on SmartTube ---------- */
.credit-grid { display: grid; gap: 40px; align-items: start; }
@media (min-width: 960px) {
  .credit-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; }
}
.compare tbody th { color: var(--text-3); font-weight: 500; white-space: nowrap; }
.compare td:last-child { color: var(--text); }
@media (max-width: 479px) {
  .compare { font-size: 0.9rem; }
  .compare tbody th { white-space: normal; }
}

.tv-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px 18px;
  align-items: center;
  margin-top: 48px;
  padding: 22px 24px;
  border-radius: var(--radius);
  background: linear-gradient(120deg, var(--tint-strong), var(--tint) 60%, transparent), var(--surface);
  border: 1px solid var(--line-strong);
}
.tv-card h3 { font-size: 1.14rem; font-weight: 650; }
.tv-card p { margin-top: 4px; color: var(--text-2); }
.tv-card .btn { grid-column: 1 / -1; justify-self: start; }
@media (min-width: 720px) {
  .tv-card { grid-template-columns: auto minmax(0, 1fr) auto; }
  .tv-card .btn { grid-column: auto; }
}

.credits-title {
  margin-top: 56px;
  font-size: 1.14rem;
  font-weight: 650;
}
.credits {
  display: grid;
  gap: 0;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.credits li {
  display: grid;
  gap: 2px 24px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 0.96rem;
}
.credits li:last-child { border-bottom: 1px solid var(--line); }
.credits li > :first-child { font-weight: 600; }
.credits-by { color: var(--text-2); }
.credits-for { color: var(--text-3); }
@media (min-width: 820px) {
  .credits li { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.4fr); align-items: baseline; }
}
.fine { margin-top: 16px; color: var(--text-3); font-size: 0.9rem; }

/* ---------- Download ---------- */
.dl-grid {
  display: grid;
  gap: 16px;
  margin-top: 48px;
}
@media (min-width: 860px) {
  .dl-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 20px; }
  .panel-wide { grid-column: 1 / -1; }
}

.panel {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--card-shadow);
  color: var(--text-2);
}
.panel h3 { color: var(--text); font-size: 1.14rem; font-weight: 650; margin-bottom: 12px; }
.panel .panel-subtitle { margin-top: 28px; }
.panel p + .copy-field, .copy-field + p { margin-top: 14px; }

.apk-list { margin: 0; padding: 0; list-style: none; }
.apk-list li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.apk-list li:first-child { border-top: 0; padding-top: 4px; }
.apk-list code { justify-self: start; font-size: 0.86rem; }
.apk-list span { color: var(--text-2); font-size: 0.95rem; }
.panel-foot {
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

.copy-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 12px 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--line);
}
.copy-field code {
  flex: 1 1 auto;
  min-width: 0;
  padding: 3px 0;
  background: none;
  font-size: 0.9rem;
  line-height: 1.55;
  word-break: break-all;
}
.fingerprint { letter-spacing: 0.01em; }

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  min-height: 32px;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text-2);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
.copy-btn:hover { color: var(--text); background: var(--surface-2); }
.copy-btn[hidden] { display: none; }
.copy-btn.is-done { color: var(--ok); border-color: currentColor; }

/* ---------- FAQ ---------- */
.faq-wrap { display: grid; gap: 40px; }
@media (min-width: 960px) {
  .faq-wrap { grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: 64px; align-items: start; }
}

.faq { border-top: 1px solid var(--line-strong); }
.faq details { border-bottom: 1px solid var(--line-strong); }
.faq summary {
  position: relative;
  display: block;
  padding: 20px 44px 20px 0;
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before,
.faq summary::after {
  content: "";
  position: absolute;
  right: 8px; top: 50%;
  width: 14px; height: 2px;
  margin-top: -1px;
  border-radius: 2px;
  background: var(--text-3);
  transition: transform 0.22s ease, background-color 0.22s ease;
}
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0deg); }
.faq summary:hover::before, .faq summary:hover::after { background: var(--text); }
.faq summary:focus-visible { outline-offset: 2px; }
.faq-body { padding: 0 0 22px; color: var(--text-2); max-width: 44rem; }

@media (prefers-reduced-motion: no-preference) {
  .faq details[open] .faq-body { animation: fade 0.3s ease both; }
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: 48px 40px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 0.92rem;
}
.footer-top {
  display: grid;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.footer-brand p { margin-top: 10px; color: var(--text-2); }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-links a { color: var(--text-2); text-decoration: none; }
.footer-links a:hover { color: var(--text); text-decoration: underline; }
@media (min-width: 860px) {
  .footer-top { grid-template-columns: auto 1fr; align-items: center; }
  .footer-links { justify-content: flex-end; }
}
.footer-license { margin-top: 24px; }
.disclaimer { margin-top: 10px; max-width: 60rem; line-height: 1.6; }

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- SmartTube for phones / Trust ---------- */
.cards + .cta-row { margin-top: 32px; }
.panel p + p { margin-top: 12px; }
.checklist-tight { margin-top: 16px; }
.checklist-tight li { padding: 10px 0 10px 30px; font-size: 0.95rem; }
.checklist-tight code { word-break: break-word; }
.faq-body p + p { margin-top: 10px; }