@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");
}

:root {
  --n-0: #16191c;
  --n-1: #1d2125;
  --n-2: #2c3238;
  --n-3: #767f8a;
  --n-4: #a3acb5;
  --n-5: #eef1f4;
  --admit: #4cc38a;
  --admit-soft: #12301f;
  --deny: #f2736a;
  --deny-soft: #33191a;
  --focus: #6ea1ff;

  /* Planes: page, section band, contained card. */
  --plane-0: var(--n-0);
  --plane-1: var(--n-1);
  --plane-2: var(--n-2);

  /* Type scale (desktop). The mobile block near the end overrides the hero and h2 sizes. */
  --fs-hero: 56px;
  --lh-hero: 60px;
  --fs-h2: 36px;
  --lh-h2: 44px;
  --fs-h3: 20px;
  --lh-h3: 28px;
  --fs-body: 17px;
  --lh-body: 27px;
  --fs-support: 14px;
  --lh-support: 22px;
  --fw-body: 400;
  --fw-label: 500;
  --fw-heading: 600;

  /* Rhythm: the section gap is shared half above and half below each section; cards pad 48px. */
  --section-gap: 120px;
  --section-half: calc(var(--section-gap) / 2);
  --pad-card: var(--s-6);

  --surface: var(--n-0);
  --surface-raised: var(--n-1);
  --surface-sunken: #111417;
  --line: var(--n-2);
  --line-strong: var(--n-3);
  --text: var(--n-5);
  --text-muted: var(--n-3);
  --text-dim: var(--n-4);

  --s-1: 4px;
  --s-2: 8px;
  --s-3: 16px;
  --s-4: 24px;
  --s-5: 32px;
  --s-6: 48px;
  --s-7: 64px;

  --r-control: 6px;
  --r-panel: 10px;

  --font-stack: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

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

html {
  color-scheme: dark;
  background-color: var(--surface);
  color: var(--text);
  font-family: var(--font-stack);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: var(--fw-body);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--admit);
}

/* Type roles: h1 is the hero tier, h2 the section tier, h3 the card tier, on every page. */
h1 {
  font-size: var(--fs-hero);
  line-height: var(--lh-hero);
  font-weight: var(--fw-heading);
}

h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
  font-weight: var(--fw-heading);
}

h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  font-weight: var(--fw-heading);
}

strong, b {
  font-weight: var(--fw-heading);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--surface-raised);
  color: var(--text);
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-control);
  z-index: 1000;
}
.skip-link:focus {
  top: 16px;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--s-4);
}

/* Nav */
header.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--plane-0);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--s-3);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo img, .logo svg {
  width: 24px;
  height: 24px;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

.nav-links a:not(.btn) {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s;
}

.nav-links a:not(.btn):hover {
  color: var(--text);
}

.nav-links .btn {
  font-size: 13.5px;
  padding: 7px 15px;
  line-height: 1.2;
  white-space: nowrap;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  position: relative;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--surface-sunken);
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: var(--r-control);
  padding: 4px 26px 4px 10px;
  font-size: 12px;
  font-weight: var(--fw-label);
  cursor: pointer;
  outline: none;
  font-family: inherit;
  transition: border-color 0.15s, color 0.15s;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 10px;
}

.lang-select:hover, .lang-select:focus {
  color: var(--text);
  border-color: var(--focus);
}

.lang-select option {
  background: #16191c;
  color: #f0f0f0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: 14px;
  padding: 9px 18px;
  border-radius: var(--r-control);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--admit);
  color: #0d2215 !important;
  font-weight: var(--fw-label);
}

.btn-primary:hover {
  background: #5cdba0;
  color: #07170e !important;
}

.btn-secondary {
  background: var(--surface-raised);
  border-color: var(--line);
  color: var(--text) !important;
}

.btn-secondary:hover {
  border-color: var(--line-strong);
  color: var(--text) !important;
}

/* Hero */
.hero {
  padding-block: var(--s-7) var(--s-6);
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--fw-label);
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--admit-soft);
  color: var(--admit);
  border: 1px solid rgba(76, 195, 138, 0.25);
  margin-bottom: var(--s-4);
}

.hero h1 {
  font-size: var(--fs-hero);
  line-height: var(--lh-hero);
  font-weight: var(--fw-heading);
  margin: 0 0 var(--s-4);
  color: #fff;
}

.hero p.lead {
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-dim);
  max-width: 60ch;
  margin: 0 auto var(--s-5);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
  flex-wrap: wrap;
}

.hero-meta {
  font-size: 13px;
  color: var(--text-muted);
}

/* The film: one still, hairline, the product's own tones; a click swaps it for the YouTube player, nothing loads from YouTube before that. */
.film-section {
  padding: 0 0 var(--section-half);
}

.film-section .section-title {
  margin-bottom: var(--s-4);
}

.film-figure {
  margin: 0;
}

.film-link {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
}

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

/* Play affordance: one light plate, the page's own ink triangle, centred; a flat scrim keeps it readable on any frame. */
.film-link::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgb(22 25 28 / 0.28);
}

.film-link:hover::after,
.film-link:focus-visible::after { background: rgb(22 25 28 / 0.12); }

.film-play {
  position: absolute;
  z-index: 1;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  width: 96px;
  height: 64px;
  margin: -32px 0 0 -48px;
  background: var(--n-5);
  border-radius: var(--r-panel);
}

.film-play::before {
  content: "";
  position: absolute;
  inset: 16px 0 16px 0;
  margin-inline: auto;
  width: 28px;
  background: var(--n-0);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transform: translateX(3px);
}

.film-link:hover .film-play,
.film-link:focus-visible .film-play { background: var(--admit); }

.film-frame {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
}

.film-note {
  margin-top: var(--s-2);
  font-size: 13px;
  color: var(--text-muted);
  text-align: start;
}

/* Interactive Before/After Visual */
.demo-section {
  padding: 0 0 var(--section-half);
}

.demo-frame {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  overflow: hidden;
}

.demo-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-sunken);
  font-size: 12px;
  color: var(--text-muted);
}

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

.demo-tab-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--r-control);
  cursor: pointer;
}

.demo-tab-btn.active {
  background: var(--surface-raised);
  border-color: var(--line);
  color: var(--text);
}

.demo-content {
  padding: var(--s-4);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--s-3);
}

.video-card {
  border: 1px solid var(--line);
  border-radius: var(--r-control);
  background: var(--surface);
  overflow: hidden;
  position: relative;
}

.video-card[hidden] {
  display: none;
}

#demo-feed[data-state="raw"] .blocked-tag,
#demo-feed[data-state="raw"] .admit-tag,
#demo-feed[data-state="raw"] .subscription-tag {
  visibility: hidden;
}

.video-card .thumb {
  height: 120px;
  background: #252a30;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  position: relative;
}

.video-card .card-tags {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.video-card .card-tags .blocked-tag {
  position: static;
}

.video-card .blocked-tag {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--deny-soft);
  color: var(--deny);
  border: 1px solid rgba(242, 115, 106, 0.35);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.video-card .subscription-tag {
  background: var(--surface-raised);
  color: var(--n-4);
  border: 1px solid var(--line);
  padding: var(--s-1) var(--s-2);
  border-radius: var(--r-control);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
}

.video-card .admit-tag {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--admit-soft);
  color: var(--admit);
  border: 1px solid rgba(76, 195, 138, 0.35);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.video-card .details {
  padding: 12px;
}

.video-card .title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 6px;
  color: var(--text);
}

.video-card .channel {
  font-size: 12px;
  color: var(--text-muted);
}

/* Free vs Subscription Band */
.free-vs-paid {
  padding-bottom: var(--s-7);
}

.free-vs-paid-panes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-4);
  align-items: stretch;
}

.free-vs-paid-pane {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
}

.free-vs-paid-pane .pane-header {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin-bottom: var(--s-3);
}

.free-vs-paid-pane .pane-header h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.pane-marker {
  width: 8px;
  height: 8px;
  border-radius: 0;
  background: var(--admit);
  display: inline-block;
  flex-shrink: 0;
}

.free-vs-paid-pane p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.55;
  margin: 0 0 var(--s-3);
}

.subject-chips {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--s-4);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.subject-chip {
  border: 1px solid var(--line);
  border-radius: var(--r-control);
  color: var(--n-4);
  background: transparent;
  padding: var(--s-1) var(--s-2);
  font-size: 12px;
  line-height: 1.4;
}

.free-vs-paid-pane .pane-action {
  margin-top: auto;
  margin-bottom: 0;
}

.free-vs-paid-pane .pane-link {
  display: inline-flex;
  align-items: center;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.free-vs-paid-pane .pane-link:hover {
  color: var(--admit);
}

/* Proof comparison: free vs subscription live recording stills */
.proof-pair {
  margin: var(--s-5) 0 0;
}

.proof-pair-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-4);
}

.proof-item {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.proof-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.proof-frame {
  overflow: hidden;
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
}

.proof-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* Features Grid */
.features-section {
  padding: var(--section-half) 0;
  border-top: 1px solid var(--line);
}

.section-title {
  text-align: center;
  margin-bottom: var(--s-5);
}

.section-title h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
  font-weight: var(--fw-heading);
  margin: 0 0 var(--s-3);
}

.section-title h2,
.section-title p,
.hero h1,
.hero p.lead {
  text-wrap: balance;
}

.section-title p {
  color: var(--text-dim);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  margin: 0 auto;
  max-width: 60ch;
}

.section-title p + p {
  margin-top: var(--s-3);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-4);
}

/* Four cards sit two by two; a lone fourth card under three leaves two thirds of its row empty. */
.features-grid:has(> :nth-child(4):last-child) {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
  background: var(--plane-2);
  border: 0;
  border-radius: var(--r-panel);
  padding: var(--pad-card);
}

.feature-card .icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--r-control);
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-3);
  color: var(--admit);
  font-weight: var(--fw-heading);
}

.feature-card h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  font-weight: var(--fw-heading);
  margin: 0 0 var(--s-3);
}

.feature-card p {
  font-size: var(--fs-support);
  color: var(--text-dim);
  margin: 0;
  line-height: var(--lh-support);
}

/* Guide links: one row each, text on the left edge, an arrow on the right edge, hairlines between. */
.guide-links {
  max-width: 720px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.guide-links p {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.guide-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  text-decoration: none;
  color: var(--text);
}

.guide-links a::after {
  content: "\2192";
  color: var(--text-dim);
}

.guide-links a:hover::after {
  color: var(--admit);
}

/* Pricing */
.pricing-section {
  padding: var(--section-half) 0;
  border-top: 1px solid var(--line);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 var(--s-4);
}

/* The six parts of a plan (name, description, price, billing, renewal, action) share their rows across the three
   cards, so every price, line and button sits at one height whatever the copy above it wraps to. */
.pricing-card {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  padding: var(--s-5);
  display: grid;
  grid-row: span 6;
  grid-template-rows: subgrid;
}

.pricing-card.highlight {
  background: #24332c;
}

.pricing-card h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

.pricing-card .price-row {
  display: flex;
  align-items: baseline;
  gap: var(--s-2);
  flex-wrap: wrap;
  margin: 16px 0;
}

.pricing-card .price-amount {
  font-size: 38px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.pricing-card .price-period {
  font-size: 13px;
  color: var(--text-dim);
}

.plan-description { color: var(--text-dim); margin: 0; }
.plan-billing { margin: 0 0 var(--s-2); }
.plan-renewal { color: var(--text-dim); margin: 0 0 var(--s-4); }
.pricing-card .btn { width: 100%; min-height: 48px; }
.pricing-notes { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-5); margin-top: var(--s-5); }
.pricing-notes h3 { font-size: 16px; }
.pricing-notes p { color: var(--text-dim); font-size: 14px; }
.purchase-result { margin-top: var(--s-5); }
.purchase-result input { width: 100%; padding: var(--s-3); margin: var(--s-2) 0; background: var(--surface); color: var(--text); border: 1px solid var(--line-strong); border-radius: var(--r-control); font: inherit; }
.purchase-result[hidden] { display: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }
::selection { background: #38584c; color: var(--text); }
#pricing { scroll-margin-top: 80px; }

@media (max-width: 1100px) {
  .nav-links { gap: var(--s-3); }
  .nav-links .nav-audiences, .nav-links .nav-features { display: none; }
}

/* FAQ */
.faq-section {
  padding: var(--section-half) 0;
  border-top: 1px solid var(--line);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: var(--s-4) 0;
}

.faq-item h4 {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  margin: 0 0 var(--s-3);
  font-weight: var(--fw-heading);
  color: var(--text);
}

.faq-item p {
  font-size: var(--fs-support);
  color: var(--text-dim);
  margin: 0;
  line-height: var(--lh-support);
}

/* Legal / Policy Pages */
.legal-main {
  padding-block: var(--s-6) var(--s-7);
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
}

.legal-title {
  font-size: var(--fs-hero);
  line-height: var(--lh-hero);
  font-weight: var(--fw-heading);
  margin: 0 0 6px;
  color: #fff;
}

.legal-date {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 var(--s-5);
}

.legal-sheet {
  background: var(--plane-2);
  border-radius: var(--r-panel);
  padding: var(--pad-card);
  text-align: start;
}

.legal-sheet h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
  font-weight: var(--fw-heading);
  margin: var(--s-5) 0 var(--s-3);
  color: #fff;
}

.legal-sheet h2:first-child {
  margin-top: 0;
}

.legal-sheet p, .legal-sheet li {
  color: var(--text-dim);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.legal-sheet p {
  margin: 0 0 var(--s-3);
}

/* Article pages (how-it-works) use bare headings and paragraphs: same 32 between groups, 16 within a group. */
.article-body h1 {
  margin: 0 0 var(--s-5);
}

.article-body h2,
.article-body h3 {
  margin: var(--s-5) 0 var(--s-3);
}

.article-body p {
  margin: 0 0 var(--s-3);
}

.legal-sheet ul {
  padding-left: 20px;
}

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface-sunken);
  padding: var(--s-6) 0;
  margin-top: auto;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-3);
}

.footer-links {
  display: flex;
  gap: var(--s-4);
  flex-wrap: wrap;
}

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

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

@media (max-width: 860px) {
  .nav-links a:not(.btn) {
    display: none;
  }
  .pricing-grid {
    grid-template-columns: minmax(0, 1fr);
    max-width: 560px;
    margin-inline: auto;
    gap: var(--s-4);
  }
  .pricing-card {
    display: flex;
    flex-direction: column;
    grid-row: auto;
  }
  .plan-renewal { flex: 1; }
}

@media (max-width: 640px) {
  .nav-inner { padding: var(--s-3); gap: var(--s-2); }
  .nav-links { gap: var(--s-2); }
  .nav-links .nav-trial { display: none; }
  .nav-inner .lang-select { max-width: 128px; }
  /* The demo toolbar wraps: the status line takes its own row instead of running into the tab labels. */
  .demo-toolbar { flex-wrap: wrap; gap: var(--s-2); }
  .demo-toolbar > #demo-status { flex-basis: 100%; }
  .demo-content { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: var(--s-3); gap: var(--s-2); }
  .video-card .thumb { height: 64px; }
  .lang-select, .nav-links .btn { min-height: 44px; }
  .pricing-notes { grid-template-columns: 1fr; gap: var(--s-3); }
  .proof-pair-grid { grid-template-columns: 1fr; }
  .hero h1 {
    font-size: var(--fs-hero);
    line-height: var(--lh-hero);
  }
  .hero p.lead {
    font-size: 16px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* Below 720px the hero and h2 tiers shrink, the section gap drops to 80 and cards pad 24. */
@media (max-width: 719px) {
  :root {
    --fs-hero: 34px;
    --lh-hero: 38px;
    --fs-h2: 30px;
    --lh-h2: 36px;
    --section-gap: 80px;
    --pad-card: var(--s-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}