:root {
  color-scheme: light;
  --page: #F4F4F4;
  --surface: #F4F4F4;
  --surface-soft: rgba(36, 36, 36, .045);
  --surface-strong: #242424;
  --ink: #101010;
  --paper: #F4F4F4;
  --secondary: rgba(16, 16, 16, .68);
  --muted: rgba(16, 16, 16, .48);
  --line: rgba(36, 36, 36, .18);
  --line-strong: rgba(36, 36, 36, .35);
  --button-bg: #101010;
  --button-text: #F4F4F4;
  --dark-panel: #101010;
  --dark-panel-soft: #242424;
  --dark-text: #F4F4F4;
  --dark-muted: rgba(244, 244, 244, .65);
  --shadow: 0 22px 70px rgba(16, 16, 16, .10);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #101010;
  --surface: #242424;
  --surface-soft: rgba(244, 244, 244, .055);
  --surface-strong: #242424;
  --ink: #F4F4F4;
  --paper: #101010;
  --secondary: rgba(244, 244, 244, .68);
  --muted: rgba(244, 244, 244, .48);
  --line: rgba(244, 244, 244, .18);
  --line-strong: rgba(244, 244, 244, .34);
  --button-bg: #F4F4F4;
  --button-text: #101010;
  --dark-panel: #242424;
  --dark-panel-soft: #101010;
  --dark-text: #F4F4F4;
  --dark-muted: rgba(244, 244, 244, .65);
  --shadow: 0 22px 70px rgba(0, 0, 0, .28);
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    color-scheme: dark;
    --page: #101010;
    --surface: #242424;
    --surface-soft: rgba(244, 244, 244, .055);
    --surface-strong: #242424;
    --ink: #F4F4F4;
    --paper: #101010;
    --secondary: rgba(244, 244, 244, .68);
    --muted: rgba(244, 244, 244, .48);
    --line: rgba(244, 244, 244, .18);
    --line-strong: rgba(244, 244, 244, .34);
    --button-bg: #F4F4F4;
    --button-text: #101010;
    --dark-panel: #242424;
    --dark-panel-soft: #101010;
    --dark-text: #F4F4F4;
    --dark-muted: rgba(244, 244, 244, .65);
    --shadow: 0 22px 70px rgba(0, 0, 0, .28);
  }
}

* { box-sizing: border-box; scrollbar-width: thin; scrollbar-color: var(--ink) transparent; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--page); color: var(--ink); }
body, button, a { -webkit-tap-highlight-color: transparent; }
button, input, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
::selection { background: var(--ink); color: var(--page); }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ink); border: 2px solid var(--page); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { opacity: .75; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }

.page-width { width: min(calc(100% - 88px), 1180px); margin-inline: auto; }
.site-header {
  width: min(calc(100% - 88px), 1280px);
  min-height: 82px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-size: 17px; font-weight: 720; letter-spacing: -.055em; }
.brand-mark { display: block; width: 34px; height: 34px; object-fit: contain; border-radius: 9px; }
.top-nav { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 3vw, 38px); color: var(--secondary); font-size: 12px; }
.top-nav a, .footer-links a, .footer-bottom a { transition: color .16s ease; }
.top-nav a:hover, .footer-links a:hover, .footer-bottom a:hover { color: var(--ink); }
.top-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.theme-button { min-height: 36px; padding: 0 11px; display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line-strong); border-radius: 11px; background: transparent; color: var(--secondary); font-size: 11px; font-weight: 620; cursor: pointer; transition: background .16s ease, border-color .16s ease, transform .16s ease; }
.theme-button svg { width: 15px; height: 15px; }
.theme-button:hover { background: var(--surface-soft); border-color: var(--ink); }
.theme-button:active, .button:active { transform: translateY(1px); }
.header-cta { padding: 11px 15px; display: inline-flex; align-items: center; gap: 12px; border: 1px solid var(--ink); border-radius: 999px; background: var(--button-bg); color: var(--button-text); font-size: 11px; font-weight: 700; transition: opacity .16s ease, transform .16s ease; }
.header-cta:hover { opacity: .82; transform: translateY(-1px); }

.hero { min-height: 695px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(44px, 8vw, 118px); padding-top: 74px; padding-bottom: 78px; }
.hero-copy { max-width: 570px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: 9px; line-height: 1.2; font-weight: 780; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow-rule { width: 27px; height: 1px; flex: 0 0 27px; background: currentColor; opacity: .75; }
.hero h1, .section h2, .filename-copy h2, .final-cta h2 { margin: 25px 0 20px; font-size: clamp(58px, 7.2vw, 92px); line-height: .91; letter-spacing: -.078em; font-weight: 690; }
.hero h1 em, .section h2 em, .filename-copy h2 em, .final-cta h2 em { font-weight: 470; font-style: normal; }
.hero-lede { max-width: 440px; margin: 0; color: var(--secondary); font-size: 15px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-top: 30px; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 13px; padding: 0 19px; border: 1px solid transparent; border-radius: 13px; font-size: 12px; font-weight: 700; transition: opacity .16s ease, transform .16s ease, background .16s ease, border-color .16s ease; }
.button-primary { background: var(--button-bg); color: var(--button-text); }
.button-primary:hover { opacity: .84; transform: translateY(-1px); }
.text-link { color: var(--secondary); font-size: 12px; font-weight: 680; transition: color .16s ease; }
.text-link:hover { color: var(--ink); }
.hero-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-top: 24px; color: var(--muted); font-size: 8px; font-weight: 780; letter-spacing: .13em; }
.meta-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ink); }
.meta-separator { opacity: .55; }

.hero-visual { position: relative; min-height: 545px; display: grid; place-items: center; isolation: isolate; }
.extension-window { position: relative; z-index: 1; width: min(100%, 372px); padding: 0 0 17px; border: 1px solid var(--line-strong); border-radius: 19px; background: var(--page); box-shadow: var(--shadow); overflow: hidden; transform: none; }
.window-bar { height: 35px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; padding: 0 13px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .14em; }
.window-bar > span:nth-child(2) { text-align: center; }
.window-menu { text-align: right; letter-spacing: .18em; }
.window-dots { display: flex; gap: 4px; }
.window-dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--muted); opacity: .7; }
.extension-content { width: 100%; padding: 15px 18px 0; }
.preview-brand { display: flex; align-items: center; justify-content: space-between; }
.preview-brand-lockup { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; letter-spacing: -.04em; }
.preview-brand-lockup img { width: 29px; height: 29px; border-radius: 8px; }
.preview-theme { padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; color: var(--secondary); font-size: 8px; }
.preview-intro { padding: 24px 1px 16px; }
.preview-eyebrow { color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .15em; }
.preview-title { margin-top: 8px; font-size: 28px; line-height: 1.02; letter-spacing: -.065em; font-weight: 720; }
.preview-intro p { margin: 8px 0 0; color: var(--secondary); font-size: 9px; }
.preview-editor { padding: 12px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); }
.preview-editor-head { display: flex; align-items: flex-start; justify-content: space-between; }
.preview-editor-head strong, .preview-saved-head strong { display: block; font-size: 10px; }
.preview-editor-head small { display: block; margin-top: 3px; color: var(--muted); font-size: 8px; }
.preview-status { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); font-size: 7px; }
.preview-status i { width: 5px; height: 5px; border-radius: 50%; background: var(--ink); }
.preview-paper { min-height: 108px; margin-top: 10px; padding: 11px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-soft); color: var(--secondary); font-size: 9px; line-height: 1.75; }
.preview-editor-foot { display: flex; justify-content: space-between; padding-top: 8px; color: var(--muted); font-size: 7px; }
.preview-save-row { min-height: 37px; margin-top: 10px; padding: 0 12px; display: flex; align-items: center; justify-content: space-between; border-radius: 10px; background: var(--button-bg); color: var(--button-text); font-size: 9px; font-weight: 700; }
.preview-save-icon { font-size: 15px; font-weight: 400; }
.preview-saved { padding: 13px 1px 0; }
.preview-saved-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; }
.preview-saved-head > span { color: var(--muted); font-size: 8px; }
.preview-note-row { min-height: 41px; display: flex; align-items: center; gap: 9px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 9px; }
.file-glyph { width: 25px; height: 25px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 6px; font-size: 6px; font-weight: 800; letter-spacing: .04em; }
.preview-note-row > span:nth-child(2) { flex: 1; }
.preview-note-row strong { display: block; font-size: 8px; }
.preview-note-row small { display: block; margin-top: 2px; color: var(--muted); font-size: 7px; }
.preview-note-row b { font-size: 12px; font-weight: 500; color: var(--muted); }
.visual-caption { width: min(100%, 372px); display: flex; justify-content: space-between; position: absolute; bottom: 5px; color: var(--muted); font-size: 7px; font-weight: 750; letter-spacing: .14em; }

.facts-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts-strip > div { min-height: 88px; display: flex; flex-direction: column; justify-content: center; gap: 5px; padding: 16px max(22px, calc((100vw - 1180px) / 8)); border-right: 1px solid var(--line); }
.facts-strip > div:last-child { border-right: 0; }
.facts-strip strong { font-size: 17px; letter-spacing: -.04em; }
.facts-strip span { color: var(--muted); font-size: 8px; font-weight: 760; letter-spacing: .14em; }

.section { padding-top: 116px; padding-bottom: 116px; }
.intro-section { padding-bottom: 90px; }
.intro-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 90px; align-items: end; margin-top: 20px; }
.section h2, .filename-copy h2 { font-size: clamp(42px, 5vw, 64px); line-height: .97; margin: 20px 0 0; }
.intro-layout p, .section-side-copy, .workflow-heading p, .install-copy > p { max-width: 500px; margin: 0; color: var(--secondary); font-size: 14px; line-height: 1.75; }

.features-section { padding-top: 88px; }
.section-heading-row { display: grid; grid-template-columns: 1fr .65fr; gap: 70px; align-items: end; margin-bottom: 42px; }
.section-heading-row h2 { margin-top: 20px; }
.section-side-copy { max-width: 380px; font-size: 12px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 11px; }
.feature-card { min-height: 326px; display: flex; flex-direction: column; padding: 22px 20px 20px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface-soft); }
.feature-card-dark { background: var(--surface-strong); color: #F4F4F4; border-color: var(--surface-strong); }
.feature-top { display: flex; align-items: flex-start; justify-content: space-between; color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .13em; }
.feature-card-dark .feature-top { color: rgba(244, 244, 244, .58); }
.feature-top svg { width: 27px; height: 27px; }
.feature-card h3 { margin: 42px 0 13px; font-size: clamp(20px, 2vw, 25px); line-height: 1.03; letter-spacing: -.055em; }
.feature-card p { margin: 0; color: var(--secondary); font-size: 10px; line-height: 1.7; }
.feature-card-dark p { color: rgba(244, 244, 244, .67); }
.feature-tag { margin-top: auto; padding-top: 25px; color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .15em; }
.feature-card-dark .feature-tag { color: rgba(244, 244, 244, .57); }

.workflow-section { padding-top: 65px; }
.workflow-heading { display: grid; grid-template-columns: 1fr .65fr; gap: 70px; align-items: end; margin-top: 20px; margin-bottom: 44px; }
.workflow-heading h2 { margin: 0; }
.workflow-heading p { max-width: 380px; font-size: 12px; }
.workflow-list { border-top: 1px solid var(--line); }
.workflow-step { display: grid; grid-template-columns: 90px 1fr 44px; gap: 20px; align-items: start; padding: 23px 4px 24px; border-bottom: 1px solid var(--line); }
.step-number { padding-top: 5px; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.workflow-step h3 { margin: 0 0 7px; font-size: 20px; letter-spacing: -.045em; }
.workflow-step p { max-width: 620px; margin: 0; color: var(--secondary); font-size: 12px; line-height: 1.7; }
.step-mark { justify-self: end; font-size: 17px; color: var(--muted); }

.filename-section { display: grid; grid-template-columns: 1fr .85fr; gap: 70px; align-items: center; padding: 54px 54px; border-radius: 22px; background: var(--dark-panel); color: var(--dark-text); }
.light-eyebrow { color: var(--dark-muted); }
.filename-copy h2 { margin-top: 25px; font-size: clamp(42px, 5vw, 62px); }
.filename-copy > p { max-width: 430px; margin: 18px 0 0; color: var(--dark-muted); font-size: 12px; line-height: 1.75; }
.filename-demo { padding: 19px; border: 1px solid rgba(244, 244, 244, .2); border-radius: 15px; background: rgba(244, 244, 244, .045); }
.demo-label, .demo-custom > span { display: block; color: rgba(244, 244, 244, .55); font-size: 7px; font-weight: 800; letter-spacing: .16em; }
.demo-note { padding: 0 0 12px; border-bottom: 1px solid rgba(244, 244, 244, .17); }
.demo-note p { margin: 10px 0 0; font-size: 17px; letter-spacing: -.035em; }
.demo-arrow { padding: 10px 0; color: rgba(244, 244, 244, .55); font-size: 15px; }
.demo-result { padding-bottom: 12px; }
.demo-file { min-height: 42px; margin-top: 9px; padding: 7px 9px; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(244, 244, 244, .2); border-radius: 9px; }
.demo-file .file-glyph { border-color: rgba(244, 244, 244, .4); }
.demo-file strong { flex: 1; font-size: 11px; }
.demo-check { color: rgba(244, 244, 244, .72); }
.demo-custom { padding-top: 13px; border-top: 1px solid rgba(244, 244, 244, .17); display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.demo-custom strong { font-size: 9px; font-weight: 600; }

.privacy-section { padding-top: 125px; padding-bottom: 104px; }
.privacy-layout { display: grid; grid-template-columns: 1fr .85fr; gap: 90px; align-items: center; }
.privacy-copy h2 { margin-top: 22px; }
.privacy-copy > p { max-width: 510px; margin: 19px 0 0; color: var(--secondary); font-size: 13px; line-height: 1.75; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }
.privacy-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 23px; }
.privacy-tags span { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--secondary); font-size: 9px; }
.privacy-card { padding: 22px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface-soft); }
.privacy-card-head { display: flex; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .15em; }
.permission-row { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; padding: 17px 0; border-bottom: 1px solid var(--line); }
.permission-symbol { width: 31px; height: 31px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 9px; font-size: 14px; }
.permission-row strong { display: block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11px; }
.permission-row p { margin: 5px 0 0; color: var(--secondary); font-size: 10px; line-height: 1.6; }
.privacy-card-foot { display: flex; align-items: center; gap: 8px; padding-top: 16px; color: var(--secondary); font-size: 9px; }
.privacy-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ink); }
.privacy-caveat { max-width: 850px; margin: 27px 0 0; color: var(--muted); font-size: 10px; line-height: 1.7; }

.install-section { padding-top: 90px; padding-bottom: 125px; border-top: 1px solid var(--line); }
.install-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 80px; align-items: start; margin-top: 22px; }
.install-copy h2 { margin: 0; font-size: clamp(42px, 5vw, 62px); line-height: .97; letter-spacing: -.07em; }
.install-copy > p { margin-top: 19px; font-size: 12px; }
.install-requirement { margin-top: 35px; padding-top: 15px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 7px; }
.install-requirement span { color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .15em; }
.install-requirement strong { font-size: 11px; }
.install-panel { padding: 21px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface-soft); }
.install-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .15em; }
.source-status { padding: 5px 7px; border: 1px solid var(--line); border-radius: 6px; font-size: 6px; }
.code-row { min-height: 50px; margin-top: 12px; padding: 7px 8px 7px 13px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--page); }
.code-row code { overflow-wrap: anywhere; color: var(--ink); font-size: 11px; }
.copy-button { flex: 0 0 auto; padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface-soft); color: var(--ink); font-size: 9px; font-weight: 700; cursor: pointer; transition: border-color .16s ease, background .16s ease; }
.copy-button:hover { border-color: var(--ink); }
.clone-note { margin: 8px 0 0; color: var(--muted); font-size: 9px; line-height: 1.55; }
.install-divider { margin: 22px 0 17px; border-top: 1px solid var(--line); }
.install-steps { margin: 13px 0 0; padding: 0; display: grid; gap: 12px; list-style: none; }
.install-steps li { display: flex; align-items: baseline; gap: 10px; color: var(--secondary); font-size: 10px; line-height: 1.55; }
.install-steps li > span { width: 18px; height: 18px; flex: 0 0 18px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); font-size: 8px; }
.install-steps strong { color: var(--ink); }
.install-steps code { color: var(--ink); }

.faq-section { padding-top: 25px; padding-bottom: 130px; }
.faq-layout { display: grid; grid-template-columns: .62fr 1.38fr; gap: 80px; margin-top: 20px; }
.faq-layout h2 { margin: 0; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 57px; display: flex; align-items: center; justify-content: space-between; gap: 18px; cursor: pointer; list-style: none; font-size: 12px; font-weight: 680; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--muted); font-size: 17px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 650px; margin: -1px 28px 18px 0; color: var(--secondary); font-size: 11px; line-height: 1.7; }

.final-cta-section { padding-bottom: 83px; }
.final-cta { min-height: 480px; padding: 53px 28px 58px; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 25px; background: var(--dark-panel); color: var(--dark-text); text-align: center; }
.final-logo { width: 46px; height: 46px; margin-bottom: 24px; border-radius: 12px; }
.final-cta h2 { margin: 37px 0 17px; font-size: clamp(54px, 7.4vw, 82px); }
.final-cta > p { max-width: 390px; margin: 0; color: var(--dark-muted); font-size: 12px; line-height: 1.65; }
.button-light { margin-top: 25px; background: #F4F4F4; color: #101010; }
.button-light:hover { opacity: .82; transform: translateY(-1px); }

.site-footer { padding-top: 42px; border-top: 1px solid var(--line); }
.footer-main { display: grid; grid-template-columns: 1.35fr .75fr .75fr; gap: 55px; padding-bottom: 47px; }
.footer-brand-block p { max-width: 285px; margin: 13px 0 0; color: var(--secondary); font-size: 11px; line-height: 1.7; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; color: var(--secondary); font-size: 10px; }
.footer-links > span { margin-bottom: 3px; color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .16em; }
.footer-bottom { min-height: 55px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 9px; }

.toast { position: fixed; z-index: 10; right: 24px; bottom: 22px; max-width: calc(100vw - 48px); padding: 12px 15px; border: 1px solid rgba(244, 244, 244, .18); border-radius: 11px; background: #242424; color: #F4F4F4; box-shadow: var(--shadow); font-size: 11px; }
.toast[hidden] { display: none; }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .65s cubic-bezier(.2, .75, .25, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 90ms; }

@media (max-width: 980px) {
  .page-width, .site-header { width: min(calc(100% - 52px), 1180px); }
  .hero { min-height: 620px; gap: 35px; }
  .hero h1 { font-size: clamp(54px, 7vw, 76px); }
  .hero-visual { min-height: 500px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card { min-height: 285px; }
  .filename-section { gap: 35px; padding: 42px 34px; }
  .privacy-layout, .install-layout { gap: 45px; }
  .facts-strip > div { padding-inline: 24px; }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 72px; }
  .page-width, .site-header { width: min(calc(100% - 36px), 560px); }
  .site-header { min-height: 70px; gap: 12px; }
  .brand { font-size: 16px; }
  .brand-mark { width: 30px; height: 30px; }
  .top-nav { display: none; }
  .top-actions { margin-left: auto; }
  .theme-button { min-height: 33px; padding-inline: 9px; }
  .header-cta { padding: 10px 12px; font-size: 10px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 24px; padding-top: 67px; padding-bottom: 52px; }
  .hero-copy { max-width: 560px; }
  .hero h1 { margin-top: 23px; font-size: clamp(54px, 13vw, 76px); }
  .hero-lede { max-width: 420px; font-size: 13px; }
  .hero-visual { min-height: 500px; margin-top: 4px; }
  .extension-window { width: min(100%, 365px); }
  .visual-caption { width: min(100%, 365px); }
  .facts-strip { grid-template-columns: repeat(2, 1fr); }
  .facts-strip > div { min-height: 75px; padding: 13px 18px; border-bottom: 1px solid var(--line); }
  .facts-strip > div:nth-child(2) { border-right: 0; }
  .facts-strip > div:nth-child(3), .facts-strip > div:nth-child(4) { border-bottom: 0; }
  .section { padding-top: 82px; padding-bottom: 82px; }
  .intro-section { padding-bottom: 68px; }
  .intro-layout, .section-heading-row, .workflow-heading, .privacy-layout, .install-layout, .faq-layout { grid-template-columns: 1fr; gap: 20px; }
  .intro-layout { margin-top: 18px; }
  .section h2, .filename-copy h2 { font-size: clamp(42px, 11vw, 58px); }
  .intro-layout p, .section-side-copy, .workflow-heading p { font-size: 12px; }
  .features-section { padding-top: 62px; }
  .section-heading-row { margin-bottom: 28px; }
  .feature-grid { gap: 9px; }
  .feature-card { min-height: 285px; padding: 17px 15px 16px; }
  .feature-card h3 { margin-top: 32px; font-size: 22px; }
  .feature-card p { font-size: 9px; }
  .workflow-section { padding-top: 35px; }
  .workflow-heading { margin-bottom: 26px; }
  .workflow-step { grid-template-columns: 38px 1fr 20px; gap: 10px; padding: 20px 0; }
  .workflow-step h3 { font-size: 17px; }
  .workflow-step p { font-size: 10px; }
  .filename-section { grid-template-columns: 1fr; gap: 27px; padding: 32px 22px; border-radius: 18px; }
  .filename-copy h2 { font-size: clamp(42px, 11vw, 58px); }
  .filename-copy > p { font-size: 11px; }
  .filename-demo { padding: 15px; }
  .privacy-section { padding-top: 88px; padding-bottom: 82px; }
  .privacy-layout { gap: 28px; }
  .privacy-copy > p { font-size: 11px; }
  .privacy-card { padding: 17px; }
  .privacy-caveat { font-size: 9px; }
  .install-section { padding-top: 68px; padding-bottom: 86px; }
  .install-layout { gap: 27px; }
  .install-copy h2 { font-size: clamp(42px, 11vw, 58px); }
  .install-panel { padding: 16px; }
  .faq-section { padding-top: 0; padding-bottom: 90px; }
  .faq-layout { gap: 24px; }
  .faq-layout h2 { font-size: 43px; }
  .faq-list summary { min-height: 54px; font-size: 11px; }
  .final-cta-section { padding-bottom: 58px; }
  .final-cta { min-height: 390px; padding: 38px 22px; border-radius: 19px; }
  .final-cta h2 { font-size: clamp(50px, 12vw, 68px); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-brand-block { grid-column: 1 / -1; }
  .footer-bottom { min-height: 58px; flex-wrap: wrap; padding: 12px 0; font-size: 8px; }
}

@media (max-width: 390px) {
  .page-width, .site-header { width: calc(100% - 28px); }
  .top-actions { gap: 6px; }
  .theme-button { gap: 5px; font-size: 10px; }
  .header-cta { padding-inline: 9px; }
  .hero h1 { font-size: 52px; }
  .hero-visual { min-height: 465px; }
  .extension-content { padding-inline: 13px; }
  .feature-card { min-height: 300px; padding-inline: 12px; }
  .feature-card h3 { font-size: 19px; }
  .demo-custom { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}