:root {
  color-scheme: light;
  --white: #ffffff;
  --white-soft: #f5f5f7;
  --black: #000000;
  --black-soft: #0a0a0a;
  --ink: #1d1d1f;
  --ink-mid: rgba(29, 29, 31, 0.65);
  --ink-dim: rgba(29, 29, 31, 0.45);
  --inv-mid: rgba(245, 245, 247, 0.7);
  --inv-dim: rgba(245, 245, 247, 0.42);
  --border: rgba(29, 29, 31, 0.12);
  --border-inv: rgba(255, 255, 255, 0.1);
  --accent: #ff453a;
  --accent-strong: #c92a2a;
  --yt-red: #ff0033;
  --note-blue: #2563eb;
  --note-blue-soft: #a8c5ff;
  --max-w: 1180px;
  --serif-display: "Inter Tight", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  font-family: var(--serif-display);
}

html {
  scroll-behavior: smooth;
  background-color: var(--white);
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: inherit;
  background: var(--white);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ----- Type system ----- */

.display {
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin: 0;
}

.h1 { font-size: clamp(38px, 8.5vw, 80px); }
.h2 { font-size: clamp(32px, 7.5vw, 72px); }
.cta-h { font-size: clamp(46px, 12vw, 112px); line-height: 0.96; }

.eyebrow {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--accent);
  margin: 0;
}

.eyebrow-lg { font-size: 24px; }

.eyebrow-cap {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  color: var(--accent);
}

.mono { font-family: var(--mono); }

.accent-text { color: var(--accent); }
.dark-text { color: var(--ink); }

em.accent {
  color: var(--accent);
  font-style: italic;
}

/* ----- Layout ----- */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

section {
  padding: clamp(56px, 12vw, 120px) clamp(20px, 5vw, 40px);
}

.section--light { background: var(--white); color: var(--ink); }
.section--dark { background: var(--black); color: var(--white); }
.section--soft { background: var(--white-soft); color: var(--ink); }

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-head { text-align: center; }
.section-head h2 { margin: 14px auto 0; max-width: 920px; }
.section-head .lead {
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-mid);
  margin: 22px auto 0;
  max-width: 640px;
}
.section--dark .section-head .lead { color: var(--inv-mid); }

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

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 40px;
  max-width: 1280px;
  margin: 0 auto;
  gap: 20px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}

.nav-brand img {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: block;
}

.nav-links {
  display: flex;
  gap: 26px;
  font-size: 13px;
  color: var(--ink-mid);
}

.nav-links a {
  color: inherit;
  transition: color 0.15s ease;
}

.nav-cta {
  background: var(--ink);
  color: var(--white);
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 500;
  border-radius: 999px;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 8px;
  padding: 0;
}
.nav-toggle span {
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  display: block;
  border-radius: 2px;
}

/* ----- Buttons ----- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 16px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn--filled {
  background: var(--ink);
  color: var(--white);
}

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

.btn--filled-light {
  background: var(--white);
  color: var(--ink);
}

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: var(--border-inv);
}

.link-accent {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  font-weight: 500;
  font-size: 16px;
}

/* ----- KBD chips ----- */

.kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  min-width: 26px;
  padding: 0 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-bottom-width: 2px;
  border-radius: 7px;
  font: 13px/1 var(--mono);
  color: var(--white);
}

.kbd--light {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.15);
  color: var(--ink);
}

.kbd--sm {
  height: 22px;
  min-width: 22px;
  font-size: 11px;
}

/* ----- Hero ----- */

.hero {
  padding: clamp(40px, 9vw, 72px) clamp(20px, 5vw, 40px) clamp(32px, 7vw, 56px);
}

.hero-copy {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.hero-copy h1 {
  margin: 14px auto 0;
  max-width: 920px;
  color: var(--ink);
}

.hero-copy .lead {
  font-size: 21px;
  line-height: 1.45;
  color: var(--ink-mid);
  margin: 22px auto 0;
  max-width: 640px;
}
.hero-copy .lead em {
  color: var(--ink);
  font-style: italic;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-mock {
  max-width: 1180px;
  margin: 64px auto 0;
  position: relative;
}

/* ----- YouTube mock ----- */

.yt-mock {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: 0 60px 140px rgba(0, 0, 0, 0.14), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.yt-chrome {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--white-soft);
  border-bottom: 1px solid var(--border);
}

.yt-dots {
  display: flex;
  gap: 6px;
}
.yt-dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.yt-dots span:nth-child(1) { background: #ff5f57; }
.yt-dots span:nth-child(2) { background: #febc2e; }
.yt-dots span:nth-child(3) { background: #28c840; }

.yt-url {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12px;
  color: var(--ink-mid);
  font-family: var(--mono);
  display: flex;
  gap: 6px;
  align-items: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.yt-url .secure { color: var(--accent); }

.yt-topbar {
  display: flex;
  align-items: center;
  padding: 12px 22px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  gap: 18px;
}

.yt-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 13px;
  color: var(--ink);
}
.yt-brand svg { display: block; }

.yt-search {
  flex: 1;
  max-width: 460px;
  margin: 0 auto;
  background: var(--white-soft);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}

.yt-user {
  display: flex;
  gap: 14px;
  align-items: center;
  color: var(--ink-mid);
  font-size: 12px;
}
.yt-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #ec4899);
}

.yt-body {
  display: grid;
  grid-template-columns: 1.85fr 1fr;
  gap: 24px;
  padding: 24px;
}

.yt-player {
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  background: #0a0a10;
}
.yt-player::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 70% at 50% 40%, rgba(255, 69, 58, 0.22), transparent 70%);
}
.yt-player::after {
  content: "";
  position: absolute;
  inset: 22% 18% 36%;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.yt-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.yt-play span {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0a0a0d;
}

.yt-controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0 14px 12px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
  z-index: 1;
}
.yt-progress {
  position: relative;
  height: 4px;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 2px;
}
.yt-progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 42%;
  background: var(--yt-red);
  border-radius: 2px;
}
.yt-progress-head {
  position: absolute;
  left: 42%;
  top: 50%;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--yt-red);
  transform: translate(-50%, -50%);
}
.yt-control-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.88);
}
.yt-control-row .spacer { flex: 1; }

.yt-title {
  margin-top: 14px;
  color: var(--ink);
}
.yt-title-text {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.yt-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
  color: var(--ink-mid);
  font-size: 12px;
}
.yt-channel-pic {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}
.yt-channel-name {
  color: var(--ink);
  font-weight: 500;
}

.yt-side .label {
  font-size: 12px;
  color: var(--ink-dim);
  margin-bottom: 8px;
}
.yt-up-next {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.yt-up-next .thumb {
  aspect-ratio: 16 / 9;
  background: var(--white-soft);
  border-radius: 6px;
}
.yt-up-next .t {
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.25;
  color: var(--ink);
}
.yt-up-next .ch {
  font-size: 11px;
  color: var(--ink-dim);
  margin-top: 4px;
}

/* ----- Injected Video Notes panel ----- */

.injected-wrap {
  position: relative;
  margin-top: 14px;
}
.injected-glow {
  position: absolute;
  inset: -14px -22px;
  border-radius: 28px;
  background: radial-gradient(70% 90% at 50% 50%, rgba(255, 69, 58, 0.28), transparent 70%);
  filter: blur(2px);
  pointer-events: none;
  z-index: 0;
}
.injected-panel {
  position: relative;
  z-index: 1;
}

.vn-panel {
  background: #1c1c20;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 16px 20px 18px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32), 0 1px 0 rgba(255, 255, 255, 0.03) inset;
  color: #ffffff;
  font-family: var(--serif-display);
  position: relative;
}

.vn-panel--light {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.04);
  color: var(--ink);
}

.vn-panel--big {
  padding: 26px 32px 28px;
  border-radius: 20px;
}

.vn-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.vn-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.005em;
}
.vn-panel--big .vn-title { font-size: 26px; }

.vn-buttons {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.vn-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 500;
}
.vn-panel--light .vn-btn {
  border-color: rgba(29, 29, 31, 0.18);
  color: rgba(29, 29, 31, 0.85);
}
.vn-panel--big .vn-btn {
  padding: 10px 20px;
  font-size: 15px;
}

.vn-btn--primary {
  background: var(--note-blue);
  color: #fff;
  border: 1px solid transparent;
  font-weight: 600;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 2px 6px rgba(37, 99, 235, 0.35);
}

.vn-track {
  margin-top: 12px;
  background: #141418;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 999px;
  padding: 16px 22px;
  position: relative;
}
.vn-panel--light .vn-track {
  background: #f3f3f5;
  border-color: rgba(0, 0, 0, 0.05);
}
.vn-panel--big .vn-track { padding: 28px 36px; }

.vn-track-inner {
  position: relative;
  height: 14px;
}
.vn-panel--big .vn-track-inner { height: 22px; }

.vn-track-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-50%);
}
.vn-panel--light .vn-track-line { background: rgba(0, 0, 0, 0.06); }

.vn-dot {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(180deg, #d7e8ff 0%, #93b8ff 100%);
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
  cursor: pointer;
  transition: transform 0.15s ease;
}
.vn-panel--big .vn-dot { width: 22px; height: 22px; }
.vn-dot--focus {
  box-shadow: 0 0 0 4px rgba(147, 184, 255, 0.22), 0 1px 2px rgba(0, 0, 0, 0.18);
}
.vn-panel--light .vn-dot--focus {
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.18), 0 1px 2px rgba(0, 0, 0, 0.18);
}
.vn-panel--big .vn-dot--focus {
  box-shadow: 0 0 0 6px rgba(147, 184, 255, 0.22), 0 1px 2px rgba(0, 0, 0, 0.18);
}

.vn-tooltip {
  position: absolute;
  bottom: calc(100% + 14px);
  transform: translateX(-50%);
  background: #ffffff;
  color: #1c1c20;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 12px;
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0, 0, 0, 0.04);
  pointer-events: none;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
}
.vn-panel--light .vn-tooltip {
  background: #1d1d1f;
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}
.vn-panel--big .vn-tooltip {
  bottom: calc(100% + 22px);
  font-size: 16px;
  padding: 12px 18px;
}
.vn-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: inherit;
}
.vn-tooltip-time {
  color: var(--note-blue);
  font-weight: 700;
  font-family: var(--mono);
}

.vn-big-frame {
  position: relative;
  padding: 60px 80px;
  border-radius: 24px;
  background: var(--white-soft);
  border: 1px solid var(--border);
}
.vn-big-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
  color: var(--ink-dim);
  font-size: 12px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

/* ----- Capture section ----- */

.capture-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 64px;
  align-items: center;
}

.capture-copy h2 { margin: 14px 0 0; }
.capture-copy .lead {
  font-size: 19px;
  line-height: 1.5;
  color: var(--inv-mid);
  margin: 22px 0 28px;
  max-width: 480px;
}
.capture-line { color: var(--white); font-weight: 500; }

.capture-stage {
  position: relative;
}

.capture-bg-key {
  position: absolute;
  top: -40px;
  right: -20px;
  font-size: 360px;
  font-weight: 700;
  letter-spacing: -0.08em;
  color: rgba(255, 255, 255, 0.04);
  line-height: 1;
  pointer-events: none;
  font-family: var(--mono);
  user-select: none;
}

.capture-panel {
  position: relative;
  background: var(--black-soft);
  border: 1px solid var(--border-inv);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}
.capture-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.capture-panel-head .left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
}
.capture-rec-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.capture-status {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--inv-dim);
}

.capture-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-inv);
  border-radius: 10px;
  padding: 16px 18px;
  min-height: 110px;
}
.capture-time {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}
.capture-body {
  font-size: 17px;
}
.capture-cursor {
  font-size: 17px;
  animation: blink 1s steps(1, end) infinite;
}

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

.capture-foot {
  margin-top: 16px;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.capture-hints {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--inv-dim);
  font-size: 12px;
  flex-wrap: wrap;
}
.capture-hints span:not(.kbd) { margin-right: 8px; }
.capture-save {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-weight: 500;
  font-size: 13px;
}

/* ----- Visual annotations ----- */

.annotations {
  overflow: hidden;
}

.annotation-copy {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.annotation-copy h2 {
  margin: 14px 0 0;
}

.annotation-copy .lead {
  max-width: 640px;
  margin: 22px auto 0;
  color: var(--ink-mid);
  font-size: 19px;
  line-height: 1.5;
}

.annotation-shortcut {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 24px;
  color: var(--ink-mid);
  font-size: 13px;
}

.annotation-shortcut-separator {
  margin: 0 5px;
  color: var(--ink-dim);
}

.annotation-figure {
  max-width: var(--max-w);
  margin: 52px auto 0;
}

.annotation-shot {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(29, 29, 31, 0.14);
  border-radius: 22px;
  background: #080808;
  box-shadow: 0 38px 90px rgba(29, 29, 31, 0.16), 0 2px 8px rgba(29, 29, 31, 0.08);
}

.annotation-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: inherit;
  pointer-events: none;
}

.annotation-shot img {
  width: 100%;
  height: auto;
}

.annotation-figure figcaption {
  margin-top: 16px;
  text-align: center;
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.annotation-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.annotation-feature {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--white);
}

.annotation-feature-number {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}

.annotation-feature h3 {
  margin: 14px 0 8px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.annotation-feature p {
  margin: 0;
  color: var(--ink-mid);
  font-size: 14px;
  line-height: 1.55;
}

/* ----- Popup ----- */

.popup-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.popup-mock-wrap {
  display: flex;
  justify-content: center;
}

.popup-mock {
  width: 420px;
  max-width: 100%;
  background: var(--black-soft);
  border: 1px solid var(--border-inv);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 60px 120px rgba(0, 0, 0, 0.6);
}

.popup-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-inv);
}
.popup-head .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
}
.popup-head .brand .mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}
.popup-head .count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--inv-dim);
}

.popup-body { padding: 18px; }
.popup-search {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-inv);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}
.popup-search .icon { color: var(--inv-dim); }
.popup-search .cursor { animation: blink 1s steps(1, end) infinite; }
.popup-search .count {
  margin-left: auto;
  color: var(--inv-dim);
  font-size: 11px;
  font-family: var(--mono);
}

.popup-card {
  margin-top: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-inv);
  border-radius: 10px;
}
.popup-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.popup-card-title { font-size: 14px; font-weight: 500; }
.popup-card-match {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--inv-dim);
}
.popup-card .row {
  display: grid;
  grid-template-columns: 48px 1fr;
  padding: 5px 0;
  font-size: 13px;
  color: var(--inv-mid);
  gap: 6px;
}
.popup-card .row .t {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 600;
}

/* ----- Privacy stats ----- */

.privacy-stats {
  max-width: var(--max-w);
  margin: 56px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
}
.stat-card .n {
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.stat-card .l {
  font-size: 13px;
  color: var(--ink-mid);
  margin-top: 6px;
}
.privacy-inline-code {
  font-family: var(--mono);
  font-size: 15px;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 1px 8px;
  border-radius: 6px;
}
.privacy-actions {
  text-align: center;
  margin-top: 40px;
}

/* ----- Share section ----- */

.share-page {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--black-soft);
  border: 1px solid var(--border-inv);
  box-shadow: 0 60px 120px rgba(0, 0, 0, 0.6);
  max-width: var(--max-w);
  margin: 56px auto 0;
}

.share-chrome {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border-inv);
}
.share-chrome .url {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-inv);
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12px;
  color: var(--inv-mid);
  font-family: var(--mono);
  display: flex;
  gap: 6px;
  align-items: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.share-chrome .url .secure { color: #86efac; }

.share-head {
  padding: 32px 40px 0;
}
.share-head .title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.015em;
}
.share-head .sub {
  font-size: 13px;
  color: var(--inv-dim);
  margin-top: 6px;
}

.share-body {
  padding: 24px 40px 40px;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
  align-items: start;
}

.share-video {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  background: radial-gradient(60% 80% at 50% 40%, #1a0d12 0%, #050505 100%);
  border: 1px solid var(--border-inv);
}
.share-video::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(50% 60% at 45% 50%, rgba(255, 69, 58, 0.55) 0%, rgba(255, 69, 58, 0.05) 50%, transparent 75%);
}
.share-video::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 4px);
}
.share-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.share-play .btn-shape {
  width: 76px;
  height: 54px;
  border-radius: 14px;
  background: var(--yt-red);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.share-watch {
  position: absolute;
  bottom: 14px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-size: 12px;
  z-index: 1;
}
.share-watch .label { color: rgba(255, 255, 255, 0.85); }
.share-icon {
  position: absolute;
  bottom: 14px;
  left: 14px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border-inv);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  z-index: 1;
}

.share-notes {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-inv);
  border-radius: 12px;
  padding: 20px 22px;
}
.share-notes-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-inv);
}
.share-notes-head .title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.share-notes-head .count {
  font-size: 12px;
  color: var(--inv-dim);
}
.share-notes .row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-inv);
  align-items: start;
}
.share-notes .row:last-child { border-bottom: none; }
.share-notes .pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 0;
  border-radius: 6px;
  background: rgba(147, 184, 255, 0.12);
  color: var(--note-blue-soft);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.share-notes .txt {
  font-size: 14px;
  line-height: 1.5;
  color: var(--inv-mid);
}

.share-foot {
  padding: 0 40px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--inv-dim);
  font-size: 12px;
  gap: 12px;
  flex-wrap: wrap;
}
.share-foot .label {
  font-family: var(--mono);
  letter-spacing: 0.04em;
}
.share-toast {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(134, 239, 172, 0.1);
  border: 1px solid rgba(134, 239, 172, 0.3);
  color: #86efac;
}

/* ----- New tab flashcards ----- */

.ntab-frame {
  position: relative;
  max-width: 900px;
  margin: 56px auto 0;
  border-radius: 20px;
  overflow: hidden;
  background: #f6f6f4;
  border: 1px solid var(--border);
  box-shadow: 0 60px 120px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.ntab-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: #ededeb;
  border-bottom: 1px solid var(--border);
}
.ntab-omni {
  flex: 1;
  max-width: 420px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  white-space: nowrap;
}

.ntab-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
}
.ntab-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-mid);
}
.ntab-brand img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}
.ntab-iconbtn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ntab-clock {
  text-align: center;
  padding: 14px 0 30px;
}
.ntab-time-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
}
.ntab-time {
  font-size: clamp(48px, 9vw, 68px);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.ntab-ampm {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-dim);
}
.ntab-sub {
  color: var(--ink-mid);
  font-size: 15px;
  margin-top: 12px;
}

.ntab-cardwrap {
  max-width: 460px;
  margin: 0 auto;
  padding: 0 20px 48px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.ntab-card {
  background: var(--white);
  border: 1px solid rgba(29, 29, 31, 0.07);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.ntab-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(29, 29, 31, 0.06);
  border-radius: 999px;
  padding: 5px 12px 5px 10px;
  margin-bottom: 16px;
  max-width: 100%;
}
.ntab-pill .dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}
.ntab-pill .txt {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-mid);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ntab-q {
  color: var(--ink);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.45;
  margin: 0 0 22px;
}

.ntab-opts {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.ntab-opt {
  display: flex;
  align-items: center;
  gap: 13px;
  background: #f2f2f0;
  border: 1px solid rgba(29, 29, 31, 0.07);
  border-radius: 11px;
  padding: 14px 16px;
  color: var(--ink);
  font-size: 15px;
}
.ntab-opt .otext { flex: 1; }
.ntab-opt svg { flex: none; }
.ntab-opt--correct {
  background: rgba(21, 128, 61, 0.1);
  border-color: rgba(21, 128, 61, 0.4);
  color: #166534;
}
.ntab-opt--correct .check { stroke: #15803d; }
.ntab-opt--wrong {
  background: rgba(196, 58, 58, 0.09);
  border-color: rgba(196, 58, 58, 0.36);
  color: #b3261e;
}
.ntab-opt--wrong .cross { stroke: #c43a3a; }
.ntab-opt--dim { color: var(--ink-dim); }

.ntab-note {
  margin-top: 18px;
  background: #f2f2f0;
  border-radius: 11px;
  padding: 14px 16px;
}
.ntab-note .label {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 5px;
}
.ntab-note p {
  margin: 0;
  color: var(--ink-mid);
  font-size: 13.5px;
  line-height: 1.5;
}

.ntab-source {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(29, 29, 31, 0.1);
  color: var(--ink-dim);
  font-size: 13px;
}
.ntab-source .picon { flex: none; color: var(--accent); }
.ntab-source .stime {
  color: var(--ink-mid);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.ntab-foot { text-align: center; }
.ntab-next {
  background: var(--white);
  border: 1px solid rgba(29, 29, 31, 0.1);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 10px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.ntab-cta {
  text-align: center;
  margin-top: 32px;
}

@media (max-width: 640px) {
  .ntab-bar { padding: 14px 16px; }
  .ntab-card { padding: 22px; }
  .ntab-cardwrap { padding: 0 14px 36px; }
}

@media (hover: hover) {
  .ntab-next:hover { border-color: rgba(29, 29, 31, 0.4); transform: translateY(-1px); }
}

/* ----- Details ----- */

.details-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 56px auto 0;
}
.detail-card {
  background: var(--white-soft);
  border-radius: 18px;
  padding: 28px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.detail-visual { height: 110px; position: relative; }
.detail-eyebrow {
  font-size: 12.5px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  margin-top: 24px;
}
.detail-card h3 {
  font-size: 24px;
  margin: 8px 0;
  letter-spacing: -0.02em;
  font-weight: 600;
  line-height: 1.1;
}
.detail-card p {
  margin: 0;
  color: var(--ink-mid);
  font-size: 14px;
  line-height: 1.5;
}

/* Zen visual */
.zen-visual { position: relative; height: 110px; }
.zen-visual .player {
  position: absolute;
  inset: 0;
  background: var(--ink);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.zen-visual .play {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
}
.zen-strike {
  position: absolute;
  right: -6px;
  padding: 3px 8px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 10px;
  color: var(--ink-dim);
  text-decoration: line-through;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}
.zen-strike:nth-of-type(1) { top: -6px; }
.zen-strike:nth-of-type(2) { top: 24px; }
.zen-strike:nth-of-type(3) { top: 54px; }

/* Hold visual */
.hold-visual {
  height: 110px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hold-visual svg.ring { display: block; }
.hold-visual .icon {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hold-visual .label {
  position: absolute;
  bottom: -2px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-dim);
  letter-spacing: 0.06em;
}

/* Flash visual */
.flash-visual {
  height: 110px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.flash-card {
  position: absolute;
  width: 144px;
  height: 90px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--white-soft);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}
.flash-card--top {
  background: var(--white);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.1);
  z-index: 3;
  padding: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.flash-card--mid {
  transform: translate(8px, -6px) rotate(2deg);
  z-index: 2;
}
.flash-card--back {
  transform: translate(16px, -12px) rotate(4deg);
  z-index: 1;
}
.flash-card .time {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.flash-card .text {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}
.flash-card .flip {
  display: flex;
  justify-content: flex-end;
  color: var(--ink-dim);
}

/* Markdown visual */
.md-visual {
  height: 110px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink);
}
.md-visual .accent { color: var(--accent); }
.md-visual .dim { color: var(--ink-dim); }

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

.cta {
  text-align: center;
  padding: clamp(72px, 14vw, 120px) clamp(20px, 5vw, 40px);
}
.cta h2 { margin: 20px auto 24px; max-width: 1000px; }
.cta .lead {
  font-size: 20px;
  line-height: 1.45;
  color: var(--inv-mid);
  margin: 0 auto 36px;
  max-width: 560px;
}
.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-foot {
  margin-top: 48px;
  display: flex;
  gap: 28px;
  justify-content: center;
  color: var(--inv-dim);
  font-size: 12.5px;
  font-family: var(--mono);
  flex-wrap: wrap;
}

/* ----- Footer ----- */

.site-footer {
  background: var(--black);
  color: var(--inv-dim);
  padding: 0 40px 40px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-inv);
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ----- Responsive ----- */

@media (max-width: 1024px) {
  .capture-bg-key { font-size: 280px; }
  .capture-grid,
  .popup-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .privacy-stats { grid-template-columns: repeat(2, 1fr); }
  .details-grid { grid-template-columns: repeat(2, 1fr); }
  .annotation-features { grid-template-columns: 1fr; }
  .vn-big-frame { padding: 40px 32px; }
  .share-body { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .nav-inner { padding: 12px 24px; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-nav[data-open="true"] .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 12px 24px 18px;
    gap: 12px;
    border-bottom: 1px solid var(--border);
  }
  .yt-body { grid-template-columns: 1fr; }
  .yt-side { display: none; }
  .vn-big-frame { padding: 24px 18px; }
  .capture-bg-key { font-size: 160px; right: -6px; top: -10px; }
}

@media (max-width: 640px) {
  .display { line-height: 1.05; }
  body { font-size: 16px; }
  .hero-copy .lead { font-size: 18px; }
  .privacy-stats { grid-template-columns: 1fr 1fr; }
  .details-grid { grid-template-columns: 1fr; }
  .stat-card .n { font-size: 36px; }
  .vn-buttons { gap: 6px; }
  .vn-btn { padding: 5px 10px; font-size: 12px; }
  .vn-panel--big .vn-btn { padding: 8px 14px; font-size: 13px; }
  .vn-panel--big .vn-title { font-size: 22px; }
  .yt-topbar { padding: 10px 14px; gap: 10px; }
  .yt-search { display: none; }
  .yt-body { padding: 16px; }
  .share-head, .share-body, .share-foot { padding-left: 20px; padding-right: 20px; }
  .capture-bg-key { display: none; }
  .annotation-figure { margin-top: 36px; }
  .annotation-shot { border-radius: 14px; }
  .annotation-features { margin-top: 28px; }
  .annotation-feature { padding: 22px; }
  .annotation-figure figcaption { line-height: 1.5; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .eyebrow-lg { font-size: 19px; }
  .hero-copy .lead, .capture-copy .lead, .cta .lead { font-size: 17px; }
  .vn-panel--big .vn-title { font-size: 20px; }
  .section-head .lead { font-size: 16.5px; }
  .annotation-copy .lead { font-size: 16.5px; }

  .nav-cta { padding: 10px 16px; font-size: 13px; }
  .nav-toggle { width: 44px; height: 44px; }
  .hero-actions, .cta-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-actions .btn, .cta-actions .btn, .privacy-actions .btn { justify-content: center; width: 100%; }
  .vn-btn { padding: 8px 12px; }

  .vn-tooltip { white-space: normal; max-width: min(260px, 80vw); }
  .vn-panel--big .vn-tooltip { font-size: 13px; padding: 10px 14px; max-width: min(280px, 80vw); }

  .popup-mock { width: 100%; }
  .popup-body { padding: 14px; }
  .popup-head { padding: 12px 14px; }
  .popup-card { padding: 12px; }
  .popup-card-head { flex-wrap: wrap; gap: 4px; }
  .popup-card .row { grid-template-columns: 44px 1fr; font-size: 12.5px; }
  .popup-card-title { font-size: 13px; }

  .share-chrome { padding: 8px 12px; gap: 8px; }
  .share-chrome .url { font-size: 11px; padding: 4px 10px; }
  .share-chrome .yt-dots { display: none; }

  .injected-glow { inset: -8px -10px; border-radius: 20px; }

  .capture-foot { flex-direction: column; align-items: stretch; gap: 14px; }
  .capture-save { width: 100%; padding: 12px 16px; font-size: 14px; }
  .annotation-shortcut-separator { flex-basis: 100%; height: 0; overflow: hidden; }

  .yt-body { padding: 14px; gap: 14px; }
  .yt-topbar { padding: 8px 12px; gap: 8px; }
  .yt-url { font-size: 11px; padding: 4px 10px; }
  .yt-title-text { font-size: 15px; }
  .share-head, .share-foot { padding-left: 16px; padding-right: 16px; }
  .share-body { padding: 16px; gap: 16px; }
  .share-head .title { font-size: 20px; }
  .share-notes { padding: 14px 16px; }
  .share-notes .row { grid-template-columns: 48px 1fr; gap: 10px; padding: 10px 0; }
  .share-notes .txt { font-size: 13px; }

  .detail-card { min-height: 0; padding: 24px; }
}

@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;
  }
}

@media (hover: hover) {
  .btn:hover { transform: translateY(-1px); }
  .vn-dot:hover { transform: translate(-50%, -50%) scale(1.2); }
  .btn--filled:hover { background: var(--black); }
  .btn--outline:hover { border-color: rgba(29, 29, 31, 0.4); }
  .btn--outline-light:hover { border-color: rgba(255, 255, 255, 0.4); }
  .nav-cta:hover { background: var(--black); }
  .nav-links a:hover { color: var(--ink); }
  .link-accent:hover { text-decoration: underline; }
  .footer-inner a:hover { color: var(--white); }
}

/* ----- Privacy page ----- */

.policy-hero {
  background: var(--white);
  padding: 56px 40px 40px;
  border-bottom: 1px solid var(--border);
}
.policy-hero-inner {
  max-width: 820px;
  margin: 0 auto;
}
.policy-hero h1 {
  font-size: 56px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin: 14px 0 0;
}
.policy-meta {
  color: var(--ink-mid);
  font-size: 14px;
  margin-top: 12px;
  font-family: var(--mono);
}

.policy-layout {
  padding: 56px 40px 88px;
  background: var(--white);
}
.policy-stack {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.policy-card {
  padding: 32px;
  border-radius: 16px;
  background: var(--white-soft);
  border: 1px solid var(--border);
}
.policy-card h2 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.2;
}
.policy-card p {
  margin: 8px 0;
  color: var(--ink-mid);
  font-size: 15.5px;
  line-height: 1.6;
}
.policy-card p strong { color: var(--ink); font-weight: 600; }
.policy-card ul {
  margin: 12px 0 0 1.5rem;
  color: var(--ink-mid);
  font-size: 15.5px;
  line-height: 1.6;
}
.policy-card li + li { margin-top: 6px; }
.policy-card code {
  font-family: var(--mono);
  font-size: 13.5px;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--ink);
}
.policy-card a { color: var(--accent); }
.policy-card a:hover { text-decoration: underline; }

.policy-definition {
  display: grid;
  grid-template-columns: minmax(120px, 200px) 1fr;
  gap: 16px;
  margin: 16px 0 0;
}
.policy-definition dt { font-weight: 600; color: var(--ink); }
.policy-definition dd { margin: 0; color: var(--ink-mid); }

@media (max-width: 640px) {
  .policy-hero { padding: 40px 24px 32px; }
  .policy-hero h1 { font-size: 36px; }
  .policy-layout { padding: 32px 24px 64px; }
  .policy-card { padding: 24px; }
  .policy-definition { grid-template-columns: 1fr; }
}