:root {
  color-scheme: dark;
  --background: #101418;
  --surface: #16202a;
  --surface-strong: #1d2935;
  --border: #303d49;
  --accent: #f2b84b;
  --accent-ink: #17130a;
  --text: #f8fafc;
  --muted: #b8c2cc;
  --success: #8dffda;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--background) 86%, transparent);
  backdrop-filter: blur(18px);
}

.nav-shell,
.page-section,
.hero,
.site-footer {
  width: min(var(--max-width), calc(100% - 40px));
  margin-inline: auto;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
}

.logo-mark {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
}

.logo-mark span {
  position: absolute;
  width: 13px;
  height: 13px;
  border: 2px solid currentColor;
  border-radius: 4px;
}

.logo-mark span:first-child {
  translate: -4px -4px;
}

.logo-mark span:last-child {
  translate: 4px 4px;
}

.logo-word {
  font-size: 1.16rem;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 7px;
  padding: 0 16px;
  font-weight: 750;
}

.nav-cta,
.button.primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.button.secondary {
  border: 1px solid var(--border);
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: 48px;
  align-items: center;
  padding: 86px 0 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(3rem, 7vw, 5.75rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  font-size: 1.1rem;
}

.lead {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-section {
  padding: 68px 0;
}

.page-hero {
  width: min(var(--max-width), calc(100% - 40px));
  margin-inline: auto;
  padding: 76px 0 30px;
}

.page-hero h1 {
  max-width: 940px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 34px;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.timeline li {
  counter-increment: steps;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
}

.timeline li::before {
  content: counter(steps);
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 850;
}

.use-case-card a {
  color: var(--accent);
  font-weight: 800;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 16px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.feature-card p,
.panel p,
.site-footer p {
  color: var(--muted);
  line-height: 1.6;
}

.cta-section {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 60px auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-strong);
  padding: 30px;
}

.cta-section p {
  max-width: 660px;
  color: var(--muted);
  line-height: 1.6;
}

.site-footer {
  padding: 42px 0;
  border-top: 1px solid var(--border);
}

.footer-grid,
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
}

.footer-bottom {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .nav-shell {
    flex-wrap: wrap;
    justify-content: flex-start;
    min-height: 0;
    padding: 14px 0;
    column-gap: 16px;
    row-gap: 12px;
  }

  .logo {
    margin-right: auto;
  }

  .nav-links {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    gap: 10px 16px;
    font-size: 0.9rem;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.9rem;
  }

  .hero,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .split-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 54px;
  }

  .cta-section,
  .footer-grid,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .nav-shell,
  .page-section,
  .hero,
  .site-footer,
  .cta-section {
    width: min(100% - 28px, var(--max-width));
  }

  .nav-shell {
    row-gap: 10px;
  }
}

.hero-visual {
  display: grid;
  gap: 14px;
}

.code-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #0d151d;
  box-shadow: 0 24px 70px rgb(0 0 0 / 0.28);
}

.code-card-title {
  border-bottom: 1px solid var(--border);
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.84rem;
}

.code-card pre {
  margin: 0;
  padding: 18px;
  color: var(--success);
  font-size: 0.95rem;
  line-height: 1.7;
  white-space: pre-wrap;
}

.product-mock {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f8fafc;
  color: #17212b;
  padding: 14px;
  box-shadow: 0 24px 70px rgb(0 0 0 / 0.24);
}

.mock-toolbar {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}

.mock-toolbar span {
  width: 10px;
  height: 10px;
  border-radius: 99px;
  background: #d7dee8;
}

.mock-tabs {
  display: flex;
  gap: 14px;
  margin-bottom: 12px;
  color: #657386;
  font-size: 0.86rem;
}

.mock-tabs strong {
  color: #17212b;
}

.mock-list {
  display: grid;
  gap: 8px;
}

.mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid #dce4ee;
  border-radius: 7px;
  background: #ffffff;
  padding: 12px;
}

.mock-row small {
  display: block;
  margin-top: 4px;
  color: #6b7788;
}

.status {
  border-radius: 999px;
  padding: 5px 8px;
  font-size: 0.76rem;
  font-weight: 800;
}

.status-running {
  background: #e5fff6;
  color: #057052;
}

.status-ready,
.status-idle {
  background: #eef3ff;
  color: #3157ff;
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--border);
}

.proof-band article {
  padding: 24px;
  border-right: 1px solid var(--border);
}

.proof-band article:last-child {
  border-right: 0;
}

.proof-band h2 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.proof-band p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.beta-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 22px;
  align-items: start;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.check-list li::before {
  content: "✓";
  margin-right: 10px;
  color: var(--accent);
  font-weight: 900;
}

.beta-form {
  display: grid;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #0d151d;
  color: var(--text);
  font: inherit;
  padding: 12px;
}

textarea {
  min-height: 118px;
  resize: vertical;
}

.form-message {
  margin: 0;
  color: var(--muted);
}

.form-message.success {
  color: var(--success);
}

.form-message.error {
  color: #ffb4a8;
}

@media (max-width: 860px) {
  .beta-grid,
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .proof-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .proof-band {
    grid-template-columns: 1fr;
  }

  .proof-band article {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
}

/* --------------------------------------------------
   Chrome Modifications page
-------------------------------------------------- */

.mod-toc {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: .5rem;
}

.mod-toc a {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  padding: .75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: .5rem;
  color: var(--text);
  text-decoration: none;
  font-size: .8125rem;
  line-height: 1.4;
  transition: border-color .15s, background .15s;
}

.mod-toc a:hover {
  border-color: var(--accent);
  background: var(--surface-strong);
}

.mod-toc-num {
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  font-size: .75rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 1.5rem;
}

.mod-toc-label {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.mod-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mod-entry {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: .75rem;
  scroll-margin-top: 5rem;
}

.mod-header {
  display: flex;
  align-items: center;
  gap: .875rem;
  margin-bottom: 1.25rem;
}

.mod-header h2 {
  font-size: 1.125rem;
  margin: 0;
  line-height: 1.3;
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.mod-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.125rem;
  height: 2.125rem;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: .375rem;
  font-size: .75rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.mod-files {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .625rem;
}

.mod-files-group {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}

.mod-tag {
  flex-shrink: 0;
  display: inline-block;
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .2rem .5rem;
  border-radius: .25rem;
  margin-top: .15rem;
}

.mod-tag--added {
  background: rgba(141, 255, 218, .12);
  color: var(--success);
  border: 1px solid rgba(141, 255, 218, .25);
}

.mod-tag--modified {
  background: rgba(242, 184, 75, .12);
  color: var(--accent);
  border: 1px solid rgba(242, 184, 75, .25);
}

.mod-file-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.mod-file-list li {
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  font-size: .8rem;
  color: var(--muted);
  padding-left: .875rem;
  position: relative;
  word-break: break-all;
}

.mod-file-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--border);
}

.mod-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.mod-section h3 {
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 .5rem;
}

.mod-section p {
  margin: 0;
  font-size: .9375rem;
  color: var(--text);
  line-height: 1.65;
  opacity: .85;
}

.mod-section p code {
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  font-size: .8125rem;
  color: var(--accent);
  background: rgba(242, 184, 75, .1);
  padding: .1em .3em;
  border-radius: .2em;
}

@media (max-width: 700px) {
  .mod-body {
    grid-template-columns: 1fr;
  }

  .mod-entry {
    padding: 1.25rem;
  }
}