/* Duskio website – system fonts, local assets only */

:root {
  color-scheme: dark;
  --page: #080c1a;
  --surface: #12192c;
  --surface-elevated: #1b2440;
  --text-primary: #eef1f8;
  --text-secondary: #9aa6c3;
  --border: rgba(186, 200, 232, 0.12);
  --accent: #8fb4ff;
  --accent-soft: rgba(143, 180, 255, 0.14);
  --accent-strong: #c5d6ff;
  --glow: rgba(92, 122, 255, 0.22);
  --ok: #86d4a8;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.32);
  --radius: 1.25rem;
  --radius-sm: 0.8rem;
  --wrap: 68rem;
  --header-h: 4rem;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --page: #f3f5fb;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --text-primary: #141826;
    --text-secondary: #5c6478;
    --border: rgba(20, 24, 38, 0.1);
    --accent: #3d5ce8;
    --accent-soft: rgba(61, 92, 232, 0.1);
    --accent-strong: #2c46c4;
    --glow: rgba(61, 92, 232, 0.12);
    --ok: #1f7a4d;
    --shadow: 0 16px 40px rgba(28, 36, 68, 0.1);
  }
}

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

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

html:focus-within {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--text-primary);
  background:
    radial-gradient(70rem 32rem at 50% -12%, var(--glow), transparent 58%),
    var(--page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

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

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

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -5rem;
  z-index: 80;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--surface-elevated);
  color: var(--text-primary);
  font-weight: 650;
}

.skip-link:focus {
  top: 0.75rem;
}

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

.wrap {
  width: min(calc(100% - 2.5rem), var(--wrap));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-h);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--page) 78%, transparent);
  backdrop-filter: saturate(1.4) blur(18px);
  -webkit-backdrop-filter: saturate(1.4) blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.08rem;
}

.brand img {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.62rem;
}

.nav-toggle {
  width: 2.75rem;
  height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  background: var(--surface);
  color: var(--text-primary);
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
}

.nav-toggle-bars {
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
}

.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  position: absolute;
  inset-inline: 0;
  top: var(--header-h);
  padding: 0.85rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--page);
}

.site-nav.is-open {
  display: flex;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.site-nav a {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: 0.7rem;
  border-radius: 0.75rem;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  background: var(--accent-soft);
}

body.nav-open {
  overflow: hidden;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  color: #070b16;
  background: var(--accent);
}

.btn-primary:hover {
  color: #070b16;
  filter: brightness(1.06);
}

.btn-secondary {
  color: var(--text-primary);
  background: var(--surface);
  border-color: var(--border);
}

.btn-secondary:hover {
  color: var(--text-primary);
  background: var(--surface-elevated);
}

.btn-store {
  color: var(--text-primary);
  background: var(--accent-soft);
  border-color: var(--border);
}

.btn-store.is-disabled {
  cursor: default;
  opacity: 0.78;
  pointer-events: none;
  user-select: none;
}

.hero {
  padding: 3.2rem 0 2.2rem;
  text-align: center;
}

.hero-kicker,
.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1,
.section-copy h2,
.cta-band h2 {
  margin: 0;
  letter-spacing: -0.045em;
  line-height: 1.08;
  font-weight: 750;
}

.hero h1 {
  font-size: clamp(2.4rem, 8vw, 4.4rem);
}

.hero .lede {
  margin: 0.85rem 0 0;
  font-size: clamp(1.15rem, 3vw, 1.55rem);
  font-weight: 650;
  letter-spacing: -0.03em;
}

.hero .brand-line {
  margin: 1.15rem 0 0;
  font-size: clamp(1.35rem, 4vw, 2.1rem);
  font-weight: 650;
  letter-spacing: -0.04em;
}

.hero .support {
  max-width: 38rem;
  margin: 1.1rem auto 0;
  color: var(--text-secondary);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.hero-note {
  margin: 1.1rem 0 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.section,
.page-hero,
#themes,
#features,
#appearance,
#compatibility,
#privacy-first,
#setup,
#faq {
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.section {
  padding: 3.5rem 0;
}

.section-copy {
  max-width: 40rem;
  margin-bottom: 1.6rem;
}

.section-copy p,
.lede-secondary {
  color: var(--text-secondary);
}

.grid-2,
.grid-3,
.feature-grid,
.mode-grid,
.step-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}

.feature-card,
.mode-card,
.step-card,
.theme-card,
.contact-card {
  min-width: 0;
  width: 100%;
}

.card,
.feature-card,
.mode-card,
.step-card,
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
}

.feature-card h3,
.mode-card h3,
.step-card h3,
.theme-group-title {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.feature-card p,
.mode-card p,
.step-card p {
  margin: 0.45rem 0 0;
  color: var(--text-secondary);
}

.icon-badge {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  border-radius: 0.8rem;
  background: var(--accent-soft);
  color: var(--accent);
}

.icon-badge svg {
  width: 1.2rem;
  height: 1.2rem;
}

.visual-section {
  padding-top: 0.5rem;
}

.visual-stage {
  position: relative;
  display: grid;
  gap: 1rem;
}

.browser {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  box-shadow: var(--shadow);
  background: var(--surface-elevated);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
}

.browser-dots {
  display: flex;
  gap: 0.28rem;
}

.browser-dots span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--text-secondary) 45%, transparent);
}

.browser-url {
  flex: 1;
  min-width: 0;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--page) 70%, var(--surface));
  color: var(--text-secondary);
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article {
  padding: 1rem 1.05rem 1.15rem;
}

.article-photo {
  height: 5.2rem;
  margin-bottom: 0.85rem;
  border-radius: 0.85rem;
  background:
    linear-gradient(135deg, #f2c572 0%, #e27b6f 42%, #6ea8ff 100%);
}

.article-kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.article h3 {
  margin: 0.2rem 0 0.45rem;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.article-line {
  height: 0.42rem;
  margin-top: 0.38rem;
  border-radius: 99px;
}

.browser.is-light .article {
  background: #f6f3ee;
  color: #1d1a16;
}

.browser.is-light .article-kicker { color: #8a5a32; }
.browser.is-light .article-line { background: #d9d0c4; }
.browser.is-light .article-line.short { width: 62%; }

.browser.is-dark .article {
  background: #101622;
  color: #e2e8f0;
}

.browser.is-dark .article-kicker { color: #7fa6f5; }
.browser.is-dark .article-line { background: #314158; }
.browser.is-dark .article-line.short { width: 62%; }

.visual-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 700;
}

.visual-arrow span {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.popup-mock {
  display: none;
}

.theme-group {
  margin-top: 1.4rem;
}

.theme-group-title {
  margin-bottom: 0.7rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.theme-card {
  min-width: 0;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.95rem;
  background: var(--surface);
}

.theme-swatch {
  display: flex;
  height: 1.55rem;
  overflow: hidden;
  border-radius: 0.45rem;
  border: 1px solid color-mix(in srgb, var(--text-primary) 16%, transparent);
}

.theme-swatch span {
  flex: 1;
  min-width: 0;
  display: block;
}

.theme-swatch span:nth-child(1) { background: var(--s1); }
.theme-swatch span:nth-child(2) { background: var(--s2); }
.theme-swatch span:nth-child(3) { background: var(--s3); }
.theme-swatch span:nth-child(4) { background: var(--s4); }
.theme-swatch span:nth-child(5) { background: var(--s5); }

.theme-name {
  margin: 0.55rem 0 0;
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.fine-print {
  margin-top: 1.1rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.privacy-band,
.cta-band {
  border-block: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.privacy-band .wrap,
.cta-band .wrap {
  padding-block: 3.2rem;
}

.checklist {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.checklist li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.checklist li::before {
  content: "";
  flex: none;
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.5rem;
  border-radius: 50%;
  background: var(--ok);
}

.step-card .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8rem;
  height: 1.8rem;
  margin-bottom: 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 0.7rem;
}

.faq-list details {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
  padding: 0.15rem 1rem;
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.15rem;
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}

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

.faq-list summary::after {
  content: "";
  flex: none;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg);
}

.faq-list details[open] summary::after {
  transform: rotate(225deg);
}

.faq-list details p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
}

.cta-band {
  text-align: center;
}

.cta-band p {
  max-width: 36rem;
  margin: 0.8rem auto 0;
  color: var(--text-secondary);
}

.site-footer {
  padding: 2.4rem 0 2.6rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-brand {
  color: var(--text-primary);
  font-weight: 750;
  letter-spacing: -0.03em;
}

.footer-tag {
  margin: 0.2rem 0 1rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin-bottom: 1rem;
}

.footer-nav a,
.site-footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-nav a:hover,
.site-footer a:hover {
  color: var(--text-primary);
}

.page-hero {
  padding: 2.4rem 0 1.2rem;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 6vw, 3rem);
}

.page-hero p {
  max-width: 40rem;
  color: var(--text-secondary);
}

.prose {
  max-width: 42rem;
  padding-bottom: 3.2rem;
}

.prose h2 {
  margin: 2rem 0 0.7rem;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.prose p,
.prose li {
  color: var(--text-secondary);
}

.prose ul,
.prose ol {
  padding-inline-start: 1.2rem;
}

.meta {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.setup-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.setup-step {
  display: grid;
  gap: 0.9rem;
  margin: 0 0 1.2rem;
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.setup-step h2 {
  margin: 0;
  font-size: 1.05rem;
}

.setup-step p {
  margin: 0;
  color: var(--text-secondary);
}

.setup-shot {
  margin: 0;
  min-width: 0;
}

.setup-shot a {
  display: block;
  max-width: min(100%, 22rem);
  margin-inline: auto;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: var(--page);
  text-decoration: none;
}

.setup-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: center top;
  background: var(--page);
}

.setup-shot figcaption {
  margin-top: 0.55rem;
  color: var(--text-secondary);
  font-size: 0.82rem;
  text-align: center;
}

.troubleshoot {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.troubleshoot li {
  padding: 0.95rem 1rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.contact-card h2 {
  margin: 0 0 0.5rem;
}

.notice {
  padding: 0.9rem 1rem;
  border-radius: 0.9rem;
  background: var(--accent-soft);
  color: var(--text-primary);
}

.error-page {
  min-height: calc(100vh - 16rem);
  display: grid;
  align-content: center;
  text-align: center;
  padding: 3rem 0;
}

.error-page h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.4rem);
  letter-spacing: -0.045em;
}

/* Production theme swatches copied from engine/theme.js */
[data-theme="balanced"] { --s1: #18191c; --s2: #202226; --s3: #282a2f; --s4: #e8e9eb; --s5: #82b1ff; }
[data-theme="oledBlack"] { --s1: #000000; --s2: #080808; --s3: #111111; --s4: #f4f4f5; --s5: #79adff; }
[data-theme="graphite"] { --s1: #1c1d1f; --s2: #26272a; --s3: #303236; --s4: #e5e5e6; --s5: #a8b0c0; }
[data-theme="dim"] { --s1: #171514; --s2: #201c1a; --s3: #292320; --s4: #d8d1c9; --s5: #c4a98e; }
[data-theme="warm"] { --s1: #1e1a17; --s2: #29231e; --s3: #352d26; --s4: #f0e4d6; --s5: #e3aa72; }
[data-theme="sepia"] { --s1: #211b15; --s2: #2b241c; --s3: #362d23; --s4: #e7d8be; --s5: #dab071; }
[data-theme="midnightBlue"] { --s1: #101622; --s2: #151e2d; --s3: #1c2738; --s4: #e2e8f0; --s5: #7fa6f5; }
[data-theme="deepSea"] { --s1: #09191d; --s2: #102429; --s3: #173036; --s4: #dcecef; --s5: #55c1cf; }
[data-theme="nightSky"] { --s1: #151923; --s2: #1d2230; --s3: #272d3d; --s4: #e3e7ef; --s5: #8ba5dd; }
[data-theme="slate"] { --s1: #171b20; --s2: #20262d; --s3: #2a313a; --s4: #e6eaf0; --s5: #87a2c1; }
[data-theme="nord"] { --s1: #242933; --s2: #2e3440; --s3: #3b4252; --s4: #eceff4; --s5: #81a1c1; }
[data-theme="aurora"] { --s1: #101a1c; --s2: #172427; --s3: #203035; --s4: #e5eeee; --s5: #79c7bd; }
[data-theme="forest"] { --s1: #101811; --s2: #18221a; --s3: #213025; --s4: #e3ebe1; --s5: #81be86; }
[data-theme="espresso"] { --s1: #1c1512; --s2: #271d18; --s3: #332620; --s4: #e9ddd5; --s5: #ce9d7e; }
[data-theme="rosePine"] { --s1: #191724; --s2: #211f2d; --s3: #2b2839; --s4: #e8e2ec; --s5: #d29ab7; }
[data-theme="softViolet"] { --s1: #191724; --s2: #242033; --s3: #2e2940; --s4: #ece7f3; --s5: #b7a4e3; }
[data-theme="solarized"] { --s1: #002b36; --s2: #073642; --s3: #0d4653; --s4: #eee8d5; --s5: #2aa198; }
[data-theme="solarizedDark"] { --s1: #001f27; --s2: #002b36; --s3: #073642; --s4: #eee8d5; --s5: #2aa198; }
[data-theme="gruvbox"] { --s1: #1d2021; --s2: #282828; --s3: #32302f; --s4: #ebdbb2; --s5: #83a598; }
[data-theme="dracula"] { --s1: #1d1e28; --s2: #282a36; --s3: #323441; --s4: #f8f8f2; --s5: #8be9fd; }
[data-theme="monokai"] { --s1: #1c1d1a; --s2: #272822; --s3: #32332c; --s4: #f8f8f2; --s5: #66d9ef; }
[data-theme="catppuccin"] { --s1: #1e1e2e; --s2: #242435; --s3: #313244; --s4: #cdd6f4; --s5: #89b4fa; }
[data-theme="tokyoNight"] { --s1: #16161e; --s2: #1a1b26; --s3: #24283b; --s4: #c0caf5; --s5: #7dcfff; }
[data-theme="matrix"] { --s1: #050805; --s2: #09100a; --s3: #0d170f; --s4: #9ae89e; --s5: #59e96a; }
[data-theme="contrastDark"] { --s1: #000000; --s2: #0a0a0a; --s3: #151515; --s4: #ffffff; --s5: #7db7ff; }
[data-theme="grayscale"] { --s1: #121212; --s2: #1d1d1d; --s3: #292929; --s4: #eeeeee; --s5: #d3d3d3; }
[data-theme="mocha"] { --s1: #18130f; --s2: #211a15; --s3: #2c221c; --s4: #eee4dc; --s5: #d3a889; }

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

  .theme-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .setup-step {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .nav-toggle {
    display: none;
  }

  .site-nav,
  .site-nav.is-open {
    display: flex;
    flex-direction: row;
    align-items: center;
    position: static;
    padding: 0;
    border: 0;
    background: transparent;
    gap: 0.4rem;
  }

  .site-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 0.1rem;
  }

  .site-nav a {
    min-height: 2.4rem;
    font-size: 0.95rem;
  }

  body.nav-open {
    overflow: auto;
  }

  .mode-grid,
  .step-grid,
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .visual-stage {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding-bottom: 2.4rem;
  }

  .visual-arrow {
    writing-mode: horizontal-tb;
    flex-direction: column;
  }

  .popup-mock {
    display: block;
    position: absolute;
    inset-inline-end: 6%;
    bottom: -1.4rem;
    width: 16.5rem;
    padding: 0.85rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: color-mix(in srgb, var(--surface-elevated) 92%, transparent);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
  }

  .popup-mock h3 {
    margin: 0;
    font-size: 0.95rem;
  }

  .popup-row {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: 0.7rem;
    color: var(--text-secondary);
    font-size: 0.78rem;
  }

  .popup-pill {
    display: inline-flex;
    align-items: center;
    min-height: 1.4rem;
    padding: 0 0.5rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.72rem;
  }

  .segment-mock {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.25rem;
    margin-top: 0.7rem;
  }

  .segment-mock span {
    min-height: 1.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    font-size: 0.68rem;
    background: color-mix(in srgb, var(--page) 55%, transparent);
  }

  .segment-mock span.is-on {
    background: var(--accent);
    color: #070b16;
    font-weight: 700;
  }
}

@media (min-width: 960px) {
  .theme-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .hero {
    padding-top: 4.6rem;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}