:root {
  --page: #11100d;
  --surface: #191713;
  --surface-soft: #242016;
  --ink: #f4efe6;
  --muted: #b7ad9e;
  --line: #3a3429;
  --accent: #f7efe2;
  --accent-soft: #2c2418;
  --warm: #d99b36;
  --teal: #7bb8a7;
  --clay: #c96a4a;
  --shadow: none;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page);
  color: var(--ink);
  font-family:
    Menlo, "SF Mono", "SFMono-Regular", Monaco, Consolas, "Liberation Mono",
    monospace;
  font-size: 16px;
  letter-spacing: 0;
}

body {
  -webkit-font-smoothing: antialiased;
  line-height: 1.58;
  margin: 0;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
}

button,
input {
  font: inherit;
  letter-spacing: 0;
}

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

.site-header {
  align-items: center;
  background: rgba(13, 17, 23, 0.96);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  height: 72px;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 18px;
  font-weight: 760;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  align-items: center;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  display: inline-flex;
  height: 32px;
  justify-content: center;
  width: 32px;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 6px;
}

.header-actions {
  align-items: center;
  display: flex;
  gap: 12px;
  margin-left: auto;
  min-width: 0;
}

.nav-links a,
.quiet-link {
  border-radius: 8px;
  color: var(--muted);
  display: inline-flex;
  font-size: 14px;
  font-weight: 700;
  min-height: 38px;
  padding: 9px 12px;
}

.nav-links a:hover,
.quiet-link:hover {
  background: var(--surface);
  color: var(--ink);
}

.language-menu {
  flex: 0 0 auto;
  position: relative;
}

.language-button {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  font-size: 13px;
  font-weight: 850;
  gap: 7px;
  height: 38px;
  justify-content: center;
  letter-spacing: 0;
  min-width: 74px;
  padding: 0 10px;
}

.language-button:hover,
.language-button[aria-expanded="true"] {
  background: var(--surface-soft);
}

.language-flag {
  font-size: 18px;
  line-height: 1;
}

.language-code {
  letter-spacing: 0;
}

.language-popover {
  background: rgba(17, 22, 29, 0.98);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  display: grid;
  gap: 2px;
  min-width: 180px;
  padding: 6px;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 20;
}

.language-popover[hidden] {
  display: none;
}

.language-option {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  display: grid;
  gap: 8px;
  grid-template-columns: 24px 34px 1fr;
  min-height: 38px;
  padding: 7px 8px;
  text-align: left;
}

.language-option:hover,
.language-option.is-active {
  background: var(--surface-soft);
}

.language-name {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.portal-shell {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(360px, 0.98fr) minmax(380px, 1.02fr);
  margin: 0 auto;
  max-width: 1180px;
  padding: 32px;
}

.library-pane,
.viewer-pane,
.return-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.library-pane,
.viewer-pane {
  min-height: calc(100vh - 136px);
}

.library-pane {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pane-heading {
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 26px;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  margin: 0 0 8px;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  font-size: 34px;
  line-height: 1.18;
  margin-bottom: 0;
}

h2 {
  font-size: 28px;
  line-height: 1.22;
  margin-bottom: 0;
}

.payment-badge {
  background: var(--accent-soft);
  border-radius: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  padding: 8px 12px;
  white-space: nowrap;
}

.control-row {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 14px;
  padding: 18px 26px;
}

.search-box {
  align-items: center;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  grid-template-columns: auto 1fr;
  min-height: 48px;
  padding: 0 14px;
}

.search-box span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.search-box input {
  background: transparent;
  border: 0;
  color: var(--ink);
  min-width: 0;
  outline: 0;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.category-tabs button {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  min-height: 36px;
  padding: 7px 12px;
}

.category-tabs button[aria-pressed="true"] {
  background: var(--surface-soft);
  border-color: var(--accent);
  color: var(--ink);
}

.video-list {
  display: grid;
  overflow: auto;
}

.video-row {
  align-items: center;
  background: var(--surface);
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  gap: 14px;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  min-height: 124px;
  padding: 14px 26px;
  text-align: left;
}

.video-row:hover,
.video-row.is-active {
  background: var(--surface-soft);
}

.video-row.is-active {
  box-shadow: inset 4px 0 0 var(--accent);
}

.video-row img {
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  display: block;
  object-fit: cover;
  width: 92px;
}

.video-row strong,
.video-row small {
  display: block;
}

.video-row span {
  min-width: 0;
}

.video-row strong {
  font-size: 16px;
  line-height: 1.38;
}

.video-row small {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  margin-top: 5px;
}

.video-row small.language-line {
  color: rgba(154, 164, 175, 0.78);
  font-size: 12px;
  line-height: 1.5;
  margin-top: 3px;
  overflow-wrap: anywhere;
}

.video-row em {
  color: var(--warm);
  font-size: 13px;
  font-style: normal;
  font-weight: 850;
  white-space: nowrap;
}

.empty-state {
  color: var(--muted);
  margin: 0;
  padding: 28px 26px;
}

.viewer-pane {
  align-content: start;
  display: grid;
  gap: 22px;
  padding: 26px;
}

.poster-frame {
  aspect-ratio: 16 / 10;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.poster-frame img {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.selected-copy p,
.watch-meta p {
  color: var(--muted);
  line-height: 1.72;
  margin-bottom: 0;
}

.selected-copy .selected-language-line {
  color: rgba(154, 164, 175, 0.78);
  font-size: 12px;
  line-height: 1.55;
  margin-top: 6px;
}

.meta-grid {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
}

.meta-grid div {
  padding: 18px 0;
}

.meta-grid div + div {
  border-left: 1px solid var(--line);
  padding-left: 22px;
}

.meta-grid dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 6px;
}

.meta-grid dd {
  font-size: 18px;
  font-weight: 850;
  margin: 0;
}

.action-row {
  align-items: center;
  display: flex;
  gap: 10px;
}

.primary-button {
  background: var(--surface-soft);
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  font-weight: 850;
  min-height: 46px;
  padding: 11px 16px;
}

.primary-button:hover {
  background: #2f281d;
}

.home-page {
  background: var(--page);
}

.home-hero {
  align-items: center;
  background-image:
    linear-gradient(90deg, rgba(17, 16, 13, 0.94), rgba(17, 16, 13, 0.72) 52%, rgba(17, 16, 13, 0.34)),
    url("/portal/assets/thumbnails/ap-day01-file1.jpg");
  background-position: center;
  background-size: cover;
  border-bottom: 1px solid var(--line);
  display: flex;
  min-height: calc(100svh - 168px);
  padding: 72px 32px;
}

.home-hero-inner {
  display: grid;
  gap: 22px;
  margin: 0 auto;
  max-width: 1180px;
  width: 100%;
}

.home-hero h1 {
  font-size: 56px;
  line-height: 1.06;
  max-width: 860px;
}

.home-lead {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.7;
  max-width: 720px;
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-proof {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 180px));
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.hero-proof li {
  border-left: 1px solid var(--line);
  display: grid;
  gap: 4px;
  padding-left: 14px;
}

.hero-proof strong {
  color: var(--accent);
  font-size: 22px;
  line-height: 1;
}

.hero-proof span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.45;
}

.home-section,
.content-page {
  margin: 0 auto;
  max-width: 1180px;
  padding: 56px 32px;
}

.section-copy {
  display: grid;
  gap: 12px;
  max-width: 760px;
}

.section-copy p,
.feature-copy p,
.page-intro p,
.about-intro p {
  color: var(--muted);
  line-height: 1.75;
}

.path-grid,
.resource-grid,
.system-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 26px;
}

.path-card,
.resource-card,
.system-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 10px;
  padding: 22px;
}

.path-card:hover {
  background: var(--surface-soft);
  border-color: rgba(247, 239, 226, 0.48);
}

.path-kicker,
.status-pill {
  color: var(--warm);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.path-card strong,
.system-item strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.28;
}

.path-card p,
.resource-card p,
.system-item p {
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0;
}

.feature-band {
  align-items: center;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1fr);
  max-width: none;
  padding-left: max(32px, calc((100vw - 1180px) / 2 + 32px));
  padding-right: max(32px, calc((100vw - 1180px) / 2 + 32px));
}

.feature-copy {
  display: grid;
  gap: 14px;
}

.feature-media {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-media img,
.about-intro img {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  object-fit: cover;
  width: 100%;
}

.content-page {
  display: grid;
  gap: 32px;
}

.page-intro {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 14px;
  padding-bottom: 32px;
}

.page-intro h1,
.about-intro h1 {
  max-width: 880px;
}

.status-pill {
  align-self: end;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  justify-self: start;
  padding: 7px 10px;
}

.timeline-list {
  display: grid;
  gap: 14px;
}

.timeline-list article {
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 18px;
  grid-template-columns: 54px minmax(0, 1fr);
  padding: 22px;
}

.timeline-list span {
  align-items: center;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--warm);
  display: inline-flex;
  font-weight: 850;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.timeline-list h2,
.resource-card h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.timeline-list p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0;
}

.about-intro {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  padding-bottom: 32px;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  padding: 28px 32px;
}

.site-footer span {
  color: var(--ink);
  font-weight: 850;
}

.site-footer a:hover {
  color: var(--ink);
}

.inline-checkout {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.checkout-head {
  align-items: flex-start;
  display: flex;
  justify-content: space-between;
}

.icon-button {
  align-items: center;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  font-size: 24px;
  height: 40px;
  justify-content: center;
  line-height: 1;
  width: 40px;
}

.order-line {
  align-items: center;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin: 22px 0;
  padding: 16px 0;
}

.order-line span {
  color: var(--muted);
  font-weight: 750;
}

.order-line strong {
  color: var(--warm);
}

.checkout-area {
  min-height: 260px;
}

.checkout-note,
.demo-checkout p {
  color: var(--muted);
  line-height: 1.55;
}

.watch-shell {
  display: grid;
  gap: 24px;
  margin: 0 auto;
  max-width: 1180px;
  padding: 32px;
}

.player-surface {
  background: #0d0f0d;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.player-surface video {
  aspect-ratio: 16 / 9;
  display: block;
  width: 100%;
}

.external-caption {
  align-items: center;
  background: rgba(5, 6, 5, 0.38);
  border-radius: 6px;
  bottom: clamp(44px, 4.3vw, 54px);
  color: #f4f6f1;
  display: none;
  font-size: 1.65rem;
  font-weight: 650;
  justify-content: center;
  left: 50%;
  line-height: 1.38;
  max-width: min(86%, 920px);
  width: min(86%, 920px);
  padding: 12px 18px;
  pointer-events: none;
  position: absolute;
  text-align: center;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.75);
  transform: translateX(-50%);
  white-space: normal;
  z-index: 2;
}

.external-caption.is-visible {
  display: flex;
}

.caption-controls {
  align-items: center;
  display: flex;
  gap: 8px;
  left: 104px;
  position: absolute;
  top: 16px;
  z-index: 3;
}

.caption-toggle {
  align-items: center;
  background: rgba(5, 6, 5, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #f4f6f1;
  cursor: pointer;
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 800;
  height: 34px;
  justify-content: center;
  left: 104px;
  letter-spacing: 0;
  min-width: 72px;
  padding: 0 12px;
}

.caption-toggle:hover,
.caption-toggle[aria-pressed="true"] {
  background: rgba(5, 6, 5, 0.78);
}

.caption-toggle.is-off {
  background: rgba(5, 6, 5, 0.34);
  border-color: rgba(255, 255, 255, 0.12);
  color: rgba(244, 246, 241, 0.5);
}

.caption-language {
  align-items: center;
  background: rgba(5, 6, 5, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  display: inline-flex;
  height: 34px;
  overflow: hidden;
}

.caption-language[hidden] {
  display: none;
}

.caption-language button {
  background: transparent;
  border: 0;
  color: rgba(244, 246, 241, 0.62);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
  height: 100%;
  letter-spacing: 0;
  min-width: 42px;
  padding: 0 10px;
}

.caption-language button:hover,
.caption-language button.is-active {
  background: rgba(5, 6, 5, 0.72);
  color: #f4f6f1;
}

.watch-meta,
.text-shell {
  margin: 0 auto;
  max-width: 760px;
  width: 100%;
}

.watch-meta {
  padding-bottom: 32px;
}

.text-shell {
  padding: 56px 32px;
}

.text-shell h1 {
  margin-bottom: 18px;
}

.text-shell h2 {
  border-top: 1px solid var(--line);
  font-size: 20px;
  margin: 28px 0 10px;
  padding-top: 22px;
}

.text-shell p {
  color: var(--muted);
  line-height: 1.75;
}

.policy-shell {
  max-width: 960px;
}

.policy-shell h3 {
  font-size: 18px;
  line-height: 1.35;
  margin: 22px 0 8px;
}

.policy-shell h1,
.policy-shell h2,
.policy-shell h3 {
  scroll-margin-top: 96px;
}

.policy-shell ul {
  color: var(--muted);
  margin: 8px 0 16px;
  padding-left: 22px;
}

.policy-shell li {
  font-size: 16px;
  line-height: 1.72;
  margin: 6px 0;
}

.policy-shell a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.policy-shell .meta {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 26px;
}

.policy-shell .notice {
  color: var(--ink);
  font-weight: 750;
  margin: 22px 0;
}

.policy-shell .contact {
  font-weight: 800;
}

.app-shell {
  display: grid;
  gap: 36px;
  margin: 0 auto;
  max-width: 1180px;
  padding: 32px;
}

.app-intro {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.48fr);
  padding-bottom: 36px;
}

.app-intro-copy {
  align-content: start;
  display: grid;
  gap: 18px;
}

.app-intro-copy h1 {
  max-width: 760px;
}

.app-intro-copy p,
.download-panel p,
.device-panel p,
.device-panel li {
  color: var(--muted);
  line-height: 1.72;
}

.download-panel {
  align-content: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 14px;
  padding: 22px;
}

.download-panel h2 {
  font-size: 22px;
}

.search-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.search-terms span {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  padding: 7px 9px;
}

.app-store-button {
  justify-self: start;
  text-decoration: none;
}

.device-compare,
.preview-section {
  display: grid;
  gap: 18px;
}

.device-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.device-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.device-panel h3 {
  font-size: 18px;
  margin: 0 0 10px;
}

.device-panel ul {
  margin: 14px 0 0;
  padding-left: 22px;
}

.device-panel li {
  margin: 6px 0;
}

.section-head {
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.preview-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.preview-grid video {
  aspect-ratio: 9 / 16;
  background: #050605;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  max-height: 720px;
  object-fit: cover;
  width: 100%;
}

.ipad-preview-grid video {
  aspect-ratio: 3 / 4;
}

.screenshot-strip {
  display: grid;
  gap: 14px;
  grid-auto-flow: column;
  grid-auto-columns: minmax(188px, 0.22fr);
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x proximity;
}

.screenshot-strip figure {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0;
  overflow: hidden;
  scroll-snap-align: start;
}

.screenshot-strip img {
  aspect-ratio: 9 / 16;
  display: block;
  object-fit: cover;
  object-position: top center;
  width: 100%;
}

.ipad-strip {
  grid-auto-columns: minmax(260px, 0.34fr);
}

.ipad-strip img {
  aspect-ratio: 3 / 4;
}

.screenshot-strip figcaption {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  min-height: 38px;
  padding: 9px 10px;
}

.center-shell {
  display: grid;
  min-height: 100vh;
  padding: 24px;
  place-items: center;
}

.return-panel {
  max-width: 520px;
  padding: 32px;
  width: 100%;
}

.return-panel p:last-child {
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .site-header {
    padding: 0 18px;
  }

  .portal-shell {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .home-hero {
    min-height: auto;
    padding: 56px 18px;
  }

  .home-hero h1 {
    font-size: 40px;
  }

  .home-section,
  .content-page {
    padding: 42px 18px;
  }

  .path-grid,
  .resource-grid,
  .system-grid,
  .feature-band,
  .about-intro {
    grid-template-columns: 1fr;
  }

  .feature-band {
    padding-left: 18px;
    padding-right: 18px;
  }

  .app-shell {
    padding: 18px;
  }

  .app-intro,
  .device-grid,
  .preview-grid {
    grid-template-columns: 1fr;
  }

  .preview-grid {
    justify-items: center;
  }

  .preview-grid video {
    max-width: min(100%, 520px);
  }

  .library-pane,
  .viewer-pane {
    min-height: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: auto;
    min-height: 72px;
    padding: 14px 18px;
  }

  .header-actions {
    flex: 1 1 auto;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

@media (max-width: 620px) {
  .brand {
    font-size: 16px;
  }

  .nav-links a {
    padding: 9px 8px;
  }

  .pane-heading,
  .control-row,
  .viewer-pane {
    padding: 18px;
  }

  h1 {
    font-size: 28px;
  }

  .home-hero h1 {
    font-size: 32px;
  }

  .home-lead {
    font-size: 17px;
  }

  .hero-proof {
    grid-template-columns: 1fr;
  }

  .feature-media {
    grid-template-columns: 1fr;
  }

  .timeline-list article {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: 24px;
  }

  .video-row {
    gap: 12px;
    grid-template-columns: 74px minmax(0, 1fr);
    min-height: 104px;
    padding: 14px 18px;
  }

  .video-row em {
    grid-column: 2;
  }

  .video-row img {
    width: 74px;
  }

  .watch-shell {
    padding: 18px;
  }
}