:root {
  --ink: #15181d;
  --muted: #66707d;
  --faint: #8c96a3;
  --line: #dde2e8;
  --line-strong: #cbd2da;
  --paper: #ffffff;
  --canvas: #f5f7fa;
  --canvas-deep: #edf1f5;
  --navy: #101827;
  --blue: #2d63d8;
  --blue-dark: #214ca9;
  --green: #16856a;
  --green-soft: #e4f4ef;
  --warning: #9a5b16;
  --warning-bg: #fff8ea;
  --max: 1200px;
  color-scheme: light;
  font-family: Inter, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); letter-spacing: 0; -webkit-font-smoothing: antialiased; }
body, button, a { font-family: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { letter-spacing: 0; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 64px);
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(203,210,218,.72);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 650; }
.brand img { width: 30px; height: 30px; }
.site-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; color: #424a55; }
.site-nav a { transition: color .18s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav .nav-download { padding: 9px 14px; color: white; background: var(--ink); border: 1px solid var(--ink); border-radius: 6px; }
.site-nav .nav-download:hover { color: white; background: #333840; }
.menu-button { display: none; width: 40px; height: 40px; border: 0; background: transparent; position: relative; }
.menu-button span { position: absolute; left: 10px; width: 20px; height: 1.5px; background: var(--ink); transition: transform .2s, top .2s; }
.menu-button span:first-child { top: 15px; }
.menu-button span:last-child { top: 23px; }

.hero {
  position: relative;
  min-height: min(900px, 94svh);
  padding: 122px max(24px, calc((100vw - var(--max)) / 2)) 52px;
  color: white;
  background: #343638;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background: rgba(8, 13, 18, .23);
}

.hero-background { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center center; }

.hero-copy { position: relative; z-index: 2; width: min(620px, 52vw); padding-top: 26px; }
.eyebrow { margin: 0 0 18px; color: var(--blue); font-size: 12px; line-height: 1; font-weight: 750; letter-spacing: .08em; }
.hero h1 { margin: 0; font-size: clamp(70px, 9vw, 124px); line-height: .93; font-weight: 720; letter-spacing: 0; }
.hero-lead { margin: 24px 0 14px; font-size: clamp(24px, 3vw, 42px); line-height: 1.22; font-weight: 560; }
.hero .eyebrow { color: #a9c6ff; }
.hero-body { max-width: 590px; margin: 0; color: rgba(255,255,255,.82); font-size: 17px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 12px; margin-top: 30px; }
.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 19px; border: 1px solid transparent; border-radius: 6px; font-size: 14px; font-weight: 650; transition: background .18s, border-color .18s, color .18s, transform .18s; }
.button:hover { transform: translateY(-1px); }
.button-primary { color: white; background: var(--blue); border-color: var(--blue); }
.button-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); }
.button-secondary { background: rgba(255,255,255,.75); border-color: var(--line-strong); }
.button-secondary:hover { background: white; border-color: #aeb7c1; }
.button-large { min-height: 52px; padding: 0 24px; font-size: 16px; }
.hero .button-secondary { color: white; background: rgba(16,24,39,.38); border-color: rgba(255,255,255,.58); }
.hero .button-secondary:hover { background: rgba(16,24,39,.72); border-color: white; }
.hero-meta { margin: 14px 0 0; color: rgba(255,255,255,.66); font-size: 12px; }

.hero-product {
  position: absolute;
  z-index: 1;
  width: min(830px, 60vw);
  right: max(-110px, calc((100vw - var(--max)) / 2 - 130px));
  bottom: -24px;
  background: white;
  border: 1px solid #cbd3dc;
  border-radius: 8px 8px 0 0;
  box-shadow: 0 28px 70px rgba(29,39,55,.16), 0 2px 8px rgba(29,39,55,.08);
  overflow: hidden;
}
.hero-product::before { content: ""; display: block; height: 30px; background: #fafbfc; border-bottom: 1px solid var(--line); }
.hero-product::after { content: ""; position: absolute; top: 12px; left: 14px; width: 6px; height: 6px; border-radius: 50%; background: #c9cfd6; box-shadow: 12px 0 #c9cfd6, 24px 0 #c9cfd6; }
.hero-product img { width: 100%; height: auto; }
.scroll-cue { position: absolute; left: max(24px, calc((100vw - var(--max)) / 2)); bottom: 25px; z-index: 3; color: rgba(255,255,255,.7); font-size: 12px; }

.section { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.statement { padding: 124px 0 130px; text-align: center; }
.section-kicker { color: var(--green); font-size: 13px; font-weight: 700; }
.statement h2 { max-width: 920px; margin: 18px auto 22px; font-size: clamp(36px, 5vw, 66px); line-height: 1.13; font-weight: 620; }
.statement p { max-width: 720px; margin: 0 auto; color: var(--muted); font-size: 18px; line-height: 1.75; }

.feature-band { border-top: 1px solid var(--line); overflow: hidden; }
.feature-planning { background: #f3f6f8; }
.feature-writing { background: #fff; }
.feature-quality { background: #eef3f3; }
.feature-inner { width: min(var(--max), calc(100% - 48px)); min-height: 720px; margin: 0 auto; display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(56px, 8vw, 120px); align-items: center; padding: 92px 0; }
.feature-inner.reverse { grid-template-columns: 1.2fr .8fr; }
.feature-inner.reverse .feature-copy { order: 2; }
.feature-number { display: block; margin-bottom: 42px; color: #9ba5af; font-size: 12px; font-variant-numeric: tabular-nums; }
.feature-copy h2 { margin: 0 0 22px; font-size: clamp(34px, 4vw, 56px); line-height: 1.15; font-weight: 620; }
.feature-copy > p:not(.eyebrow):not(.fine-print) { margin: 0; color: #59636e; font-size: 17px; line-height: 1.8; }
.plain-list { display: grid; gap: 13px; margin: 30px 0 0; padding: 0; list-style: none; font-size: 14px; }
.plain-list li { position: relative; padding-left: 20px; }
.plain-list li::before { content: ""; position: absolute; left: 1px; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.fine-print { padding-top: 24px; margin-top: 28px; border-top: 1px solid #d1dad9; color: #6a7576; font-size: 13px; line-height: 1.7; }

.product-shot { position: relative; margin: 0; border: 1px solid var(--line-strong); border-radius: 8px; background: white; box-shadow: 0 26px 60px rgba(27,37,48,.13); overflow: hidden; }
.product-shot-planning { transform: rotate(.35deg); }
.product-shot-writing { transform: rotate(-.35deg); }
.window-bar { position: relative; height: 36px; display: flex; align-items: center; gap: 7px; padding: 0 13px; border-bottom: 1px solid var(--line); background: #fbfcfd; }
.window-bar i { width: 7px; height: 7px; border-radius: 50%; background: #c4cad2; }
.window-bar span { position: absolute; left: 50%; transform: translateX(-50%); color: #8a929d; font-size: 9px; white-space: nowrap; }
.product-shot > img { width: 100%; height: auto; }
.product-shot figcaption, .continuity-ui figcaption { padding: 11px 15px; color: #78818d; border-top: 1px solid var(--line); background: white; font-size: 10px; }

.planning-visual, .editor-visual, .quality-visual { border: 1px solid var(--line-strong); background: white; box-shadow: 0 24px 55px rgba(27,37,48,.09); border-radius: 8px; overflow: hidden; }
.planning-visual { display: grid; grid-template-columns: 132px 1fr; min-height: 440px; transform: rotate(.6deg); }
.visual-sidebar { display: flex; flex-direction: column; gap: 4px; padding: 22px 12px; color: #aeb9c9; background: var(--navy); font-size: 12px; }
.visual-logo { margin: 0 8px 34px; color: white; font-size: 16px; font-weight: 700; }
.visual-sidebar > span:not(.visual-logo) { padding: 11px 10px; border-radius: 4px; }
.visual-sidebar .active { color: white; background: rgba(255,255,255,.1); border-left: 2px solid #7ba7ff; }
.visual-canvas { padding: 44px 32px; background: #f8f9fb; }
.visual-tabs { display: flex; gap: 22px; padding-bottom: 15px; margin-bottom: 28px; border-bottom: 1px solid var(--line); color: #959da7; font-size: 12px; white-space: nowrap; }
.visual-tabs b { color: var(--blue); }
.rule-row { display: flex; align-items: center; gap: 14px; margin: 0 0 12px; padding: 17px; border: 1px solid #e1e5ea; border-radius: 6px; background: white; }
.rule-row i { width: 30px; height: 30px; flex: 0 0 auto; border-radius: 6px; background: #e5ecfa; }
.rule-row span { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.rule-row b { font-size: 13px; }
.rule-row small { color: var(--faint); font-size: 10px; }
.rule-row em { margin-left: auto; color: var(--green); font-size: 10px; font-style: normal; }

.editor-visual { min-height: 520px; transform: rotate(-.5deg); }
.editor-top { height: 64px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 17px; padding: 0 24px; border-bottom: 1px solid var(--line); font-size: 12px; }
.editor-top span { color: var(--muted); }
.editor-top b { font-size: 15px; }
.editor-top em { color: var(--green); font-size: 10px; font-style: normal; }
.editor-page { width: min(520px, calc(100% - 58px)); min-height: 346px; margin: 0 auto; padding: 42px 20px; color: #34383e; font-family: "Songti SC", SimSun, serif; font-size: 14px; line-height: 2.15; }
.editor-page p { margin: 0 0 16px; }
.process-log { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center; padding: 15px 22px; background: #f5f8f7; border-top: 1px solid #dfe8e5; }
.process-log .done { grid-row: 1 / 3; width: 24px; height: 24px; display: grid; place-items: center; color: white; background: var(--green); border-radius: 50%; font-size: 12px; }
.process-log b { font-size: 12px; }
.process-log small { color: #728078; font-size: 10px; }

.quality-visual { padding: 32px; }
.quality-head { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.quality-head span { font-size: 15px; font-weight: 700; }
.quality-head em { color: var(--green); font-size: 12px; font-style: normal; }
.quality-visual ol { margin: 0; padding: 14px 0 0; list-style: none; }
.quality-visual li { position: relative; display: flex; gap: 15px; padding: 16px 0; }
.quality-visual li:not(:last-child)::after { content: ""; position: absolute; left: 13px; top: 43px; bottom: -7px; width: 1px; background: #c9ded8; }
.quality-visual li i { position: relative; z-index: 1; width: 27px; height: 27px; flex: 0 0 auto; display: grid; place-items: center; color: white; background: var(--green); border-radius: 50%; font-size: 11px; font-style: normal; }
.quality-visual li span { display: flex; flex-direction: column; gap: 6px; }
.quality-visual li b { font-size: 13px; }
.quality-visual li small { color: var(--muted); font-size: 11px; }

.continuity-showcase { min-height: 760px; display: grid; grid-template-columns: 1fr 1fr; background: var(--navy); overflow: hidden; }
.continuity-photo { min-width: 0; overflow: hidden; }
.continuity-photo img { width: 100%; height: 100%; max-width: none; object-fit: cover; object-position: 18% center; }
.continuity-content { display: flex; flex-direction: column; justify-content: center; padding: 88px clamp(36px, 6vw, 96px); color: white; }
.continuity-content .eyebrow { color: #85aaf7; }
.continuity-content h2 { max-width: 650px; margin: 0 0 22px; font-size: clamp(38px, 4.4vw, 62px); line-height: 1.14; font-weight: 590; }
.continuity-content > p:not(.eyebrow) { max-width: 620px; margin: 0; color: #b6c0cd; font-size: 16px; line-height: 1.8; }
.continuity-ui { width: min(620px, 100%); margin: 42px 0 0; border: 1px solid #3b4657; border-radius: 8px; background: white; box-shadow: 0 24px 55px rgba(0,0,0,.22); overflow: hidden; }
.continuity-ui img { width: 100%; height: auto; }

.workflow { padding: 120px 0 130px; }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; align-items: end; gap: 60px; margin-bottom: 68px; }
.section-heading .eyebrow { margin: 0; }
.section-heading h2 { max-width: 760px; margin: 0; font-size: clamp(36px, 4.5vw, 58px); line-height: 1.16; font-weight: 620; }
.workflow-steps { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--line-strong); list-style: none; }
.workflow-steps li { min-height: 200px; padding: 24px 24px 0 0; border-right: 1px solid var(--line); }
.workflow-steps li:not(:first-child) { padding-left: 24px; }
.workflow-steps li:last-child { border-right: 0; }
.workflow-steps > li > span { display: block; margin-bottom: 54px; color: var(--blue); font-size: 12px; }
.workflow-steps h3 { margin: 0 0 10px; font-size: 17px; }
.workflow-steps p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }

.privacy-band { padding: 0; color: white; background: var(--navy); }
.privacy-media { width: 100%; height: clamp(380px, 55vw, 650px); overflow: hidden; border-bottom: 1px solid #344052; }
.privacy-media img { width: 100%; height: 100%; object-fit: cover; object-position: center center; }
.privacy-inner { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.privacy-inner { padding: 120px 0; }
.privacy-band .eyebrow { color: #7fa6ff; }
.privacy-band h2 { max-width: 780px; margin: 0 0 70px; font-size: clamp(38px, 5vw, 62px); line-height: 1.15; font-weight: 580; }
.privacy-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #344052; border-bottom: 1px solid #344052; }
.privacy-grid article { min-height: 260px; padding: 30px 34px 34px 0; }
.privacy-grid article:not(:first-child) { padding-left: 34px; border-left: 1px solid #344052; }
.privacy-grid article > span { color: #83a5dc; font-size: 11px; }
.privacy-grid h3 { margin: 55px 0 14px; font-size: 20px; font-weight: 570; }
.privacy-grid p { margin: 0; color: #aeb9c8; font-size: 14px; line-height: 1.75; }
.text-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 30px; color: inherit; font-size: 13px; font-weight: 650; }

.beta-cta { display: flex; justify-content: space-between; align-items: end; gap: 60px; padding: 120px 0; }
.beta-cta h2 { margin: 0 0 18px; font-size: clamp(38px, 4.6vw, 60px); line-height: 1.15; font-weight: 620; }
.beta-cta p:not(.eyebrow) { max-width: 700px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.cta-actions { min-width: 225px; display: flex; flex-direction: column; align-items: stretch; gap: 4px; }
.cta-actions .text-link { justify-content: center; margin-top: 10px; color: var(--muted); }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; padding: 38px clamp(24px, 4vw, 64px); border-top: 1px solid var(--line); background: var(--canvas); font-size: 12px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand div { display: flex; flex-direction: column; gap: 3px; }
.footer-brand span { color: var(--faint); font-size: 10px; }
.footer-links { display: flex; gap: 24px; color: #59616b; }
.footer-meta { justify-self: end; display: flex; align-items: center; gap: 22px; color: var(--faint); }
.footer-meta a:hover, .footer-links a:hover { color: var(--ink); }

/* Secondary pages */
.subpage { background: var(--canvas); }
.page-shell { width: min(1080px, calc(100% - 48px)); margin-left: auto; margin-right: auto; }
.download-hero { padding-top: 150px; padding-bottom: 78px; text-align: center; }
.download-hero h1 { margin: 0; font-size: clamp(52px, 8vw, 92px); line-height: 1; font-weight: 680; }
.download-hero > p:not(.eyebrow) { margin: 22px auto 30px; color: var(--muted); font-size: 18px; }
.download-hero .button { display: flex; width: fit-content; margin: 0 auto; }
.download-size { display: block; margin-top: 14px; color: var(--faint); font-size: 12px; }
.download-layout { display: grid; grid-template-columns: 1fr 310px; gap: 54px; align-items: start; padding-bottom: 110px; }
.download-main, .release-info { background: white; border: 1px solid var(--line); border-radius: 8px; }
.download-main { padding: 34px 38px 46px; }
.notice { display: grid; grid-template-columns: auto 1fr; gap: 18px; padding: 20px; border: 1px solid #ecd5aa; border-radius: 6px; background: var(--warning-bg); }
.notice-icon { width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid #dca85f; border-radius: 50%; color: var(--warning); font-weight: 750; }
.notice h2 { margin: 2px 0 7px; font-size: 15px; }
.notice p { margin: 0; color: #6f552f; font-size: 13px; line-height: 1.7; }
.content-section { padding-top: 40px; }
.content-section + .content-section { margin-top: 38px; border-top: 1px solid var(--line); }
.content-section h2 { margin: 0 0 24px; font-size: 23px; }
.numbered-list { margin: 0; padding: 0; list-style: none; }
.numbered-list li { display: flex; gap: 16px; padding: 13px 0; border-bottom: 1px solid #edf0f3; }
.numbered-list span { width: 25px; height: 25px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--blue); font-size: 11px; }
.numbered-list p { margin: 2px 0 0; color: #515b66; font-size: 14px; line-height: 1.6; }
.release-list { display: grid; gap: 12px; margin: 0; padding-left: 18px; color: #515b66; font-size: 14px; line-height: 1.6; }
.release-info { position: sticky; top: 88px; padding: 26px; }
.release-info h2 { margin: 0 0 22px; font-size: 18px; }
.release-info dl { margin: 0; }
.release-info dl div { display: flex; justify-content: space-between; gap: 20px; padding: 11px 0; border-bottom: 1px solid #edf0f3; font-size: 12px; }
.release-info dt { color: var(--muted); }
.release-info dd { margin: 0; text-align: right; font-weight: 600; }
.checksum { margin-top: 24px; }
.checksum > span { display: block; margin-bottom: 9px; color: var(--muted); font-size: 11px; }
.checksum code { display: block; padding: 12px; overflow-wrap: anywhere; border: 1px solid var(--line); background: var(--canvas); font-family: "Cascadia Mono", Consolas, monospace; font-size: 10px; line-height: 1.55; }
.copy-button { width: 100%; min-height: 36px; margin-top: 8px; color: var(--blue); border: 1px solid var(--line-strong); border-radius: 5px; background: white; cursor: pointer; }
.copy-button:hover { background: var(--canvas); }
.file-link { display: inline-block; margin-top: 18px; color: var(--blue); font-size: 12px; }

.legal-page { max-width: 800px; padding-top: 144px; padding-bottom: 110px; }
.legal-page h1, .help-intro h1 { margin: 0; font-size: clamp(46px, 7vw, 72px); line-height: 1.05; font-weight: 650; }
.legal-date { color: var(--faint); font-size: 12px; }
.legal-lead { margin: 50px 0 65px; padding: 27px 0; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); color: #46515d; font-size: 17px; line-height: 1.8; }
.legal-page section { margin: 0 0 42px; }
.legal-page section h2 { margin: 0 0 13px; font-size: 20px; }
.legal-page section p { margin: 0; color: #59636e; font-size: 14px; line-height: 1.9; }
.legal-page section a { color: var(--blue); }
.legal-note { margin-top: 65px; padding: 20px; color: #6d614b; border: 1px solid #e2d8c4; background: #faf8f3; font-size: 12px; line-height: 1.7; }

.help-page { padding-top: 144px; padding-bottom: 110px; }
.help-intro { max-width: 720px; margin-bottom: 70px; }
.help-intro > p:last-child { margin-top: 24px; color: var(--muted); font-size: 17px; }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line-strong); }
.faq-list summary { position: relative; padding: 25px 44px 25px 0; cursor: pointer; list-style: none; font-size: 17px; font-weight: 600; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 8px; font-size: 21px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details div { max-width: 780px; padding: 0 44px 24px 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.faq-list p { margin: 0; }
.contact-block { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-top: 90px; padding-top: 50px; border-top: 1px solid var(--line-strong); }
.contact-block h2 { margin: 0 0 10px; font-size: 30px; }
.contact-block p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 14px; }

.error-page { min-height: 100svh; display: grid; place-items: center; background: var(--canvas); }
.error-page main { width: min(520px, calc(100% - 40px)); text-align: center; }
.error-page img { margin: 0 auto 25px; }
.error-page span { color: var(--blue); font-size: 12px; font-weight: 700; }
.error-page h1 { margin: 14px 0 12px; font-size: clamp(34px, 7vw, 52px); }
.error-page p { margin: 0 0 28px; color: var(--muted); }

@media (max-width: 1000px) {
  .hero { min-height: 820px; padding-top: 104px; }
  .hero-copy { width: min(650px, 70%); }
  .hero-product { width: 82vw; right: -12vw; bottom: -10px; }
  .feature-inner, .feature-inner.reverse { min-height: auto; grid-template-columns: 1fr; gap: 55px; }
  .feature-inner.reverse .feature-copy { order: 0; }
  .feature-copy { max-width: 700px; }
  .planning-visual, .editor-visual, .quality-visual, .product-shot { width: min(820px, 100%); margin: 0 auto; }
  .product-shot-planning, .product-shot-writing { transform: none; }
  .continuity-showcase { grid-template-columns: 1fr; }
  .continuity-photo { height: 540px; }
  .continuity-photo img { object-position: 20% center; }
  .continuity-content { padding: 82px max(24px, calc((100vw - 760px) / 2)); }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .workflow-steps { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps li:nth-child(2) { border-right: 0; }
  .workflow-steps li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .privacy-grid { grid-template-columns: 1fr; }
  .privacy-grid article { min-height: auto; padding: 28px 0 30px; }
  .privacy-grid article:not(:first-child) { padding-left: 0; border-left: 0; border-top: 1px solid #344052; }
  .privacy-grid h3 { margin-top: 25px; }
  .download-layout { grid-template-columns: 1fr; }
  .release-info { position: static; }
}

@media (max-width: 760px) {
  .site-header { height: 58px; padding: 0 18px; }
  .brand img { width: 28px; height: 28px; }
  .menu-button { display: block; }
  .site-nav { position: fixed; inset: 58px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px 18px 22px; background: rgba(255,255,255,.98); border-bottom: 1px solid var(--line); box-shadow: 0 18px 35px rgba(26,34,44,.1); }
  .menu-open .site-nav { display: flex; }
  .site-nav a { padding: 13px 2px; }
  .site-nav .nav-download { margin-top: 8px; padding: 12px 14px; text-align: center; }
  .menu-open .menu-button span:first-child { top: 20px; transform: rotate(45deg); }
  .menu-open .menu-button span:last-child { top: 20px; transform: rotate(-45deg); }
  .hero { min-height: 760px; padding: 96px 20px 36px; }
  .hero::before { background: rgba(6, 11, 16, .42); }
  .hero-background { object-position: 34% center; }
  .hero-copy { width: 100%; padding-top: 0; }
  .hero h1 { font-size: 72px; }
  .hero-lead { max-width: 340px; margin-top: 18px; font-size: 28px; }
  .hero-body { max-width: 520px; font-size: 14px; line-height: 1.75; }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { padding: 0 14px; }
  .hero-meta { line-height: 1.6; }
  .hero-product { width: 110vw; right: -40vw; bottom: 26px; }
  .scroll-cue { display: none; }
  .section, .feature-inner { width: calc(100% - 40px); }
  .statement { padding: 86px 0 92px; text-align: left; }
  .statement h2 { margin-left: 0; font-size: 38px; }
  .statement p { font-size: 15px; }
  .feature-inner { padding: 76px 0; gap: 46px; }
  .feature-number { margin-bottom: 32px; }
  .feature-copy h2 { font-size: 36px; }
  .feature-copy > p:not(.eyebrow):not(.fine-print) { font-size: 15px; }
  .planning-visual { grid-template-columns: 82px 1fr; min-height: 330px; transform: none; }
  .visual-sidebar { padding: 18px 7px; }
  .visual-logo { margin: 0 6px 22px; font-size: 13px; }
  .visual-sidebar > span:not(.visual-logo) { padding: 9px 6px; font-size: 10px; }
  .visual-canvas { padding: 27px 14px; overflow: hidden; }
  .visual-tabs { gap: 15px; overflow: hidden; }
  .rule-row { gap: 9px; padding: 12px 9px; }
  .rule-row i { width: 23px; height: 23px; }
  .rule-row small { display: none; }
  .editor-visual { min-height: 440px; transform: none; }
  .editor-top { grid-template-columns: auto 1fr; padding: 0 16px; }
  .editor-top em { display: none; }
  .editor-page { width: calc(100% - 28px); min-height: 292px; padding: 30px 6px; font-size: 13px; }
  .quality-visual { padding: 22px; }
  .product-shot figcaption { padding: 10px 12px; line-height: 1.5; }
  .continuity-photo { height: 390px; }
  .continuity-photo img { object-position: 19% center; }
  .continuity-content { padding: 72px 20px 80px; }
  .continuity-content h2 { font-size: 38px; }
  .continuity-content > p:not(.eyebrow) { font-size: 14px; }
  .continuity-ui { margin-top: 34px; }
  .workflow { padding: 85px 0; }
  .section-heading h2 { font-size: 38px; }
  .workflow-steps { grid-template-columns: 1fr; }
  .workflow-steps li, .workflow-steps li:not(:first-child) { min-height: auto; display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 22px 0; border-right: 0; border-top: 1px solid var(--line); }
  .workflow-steps li:first-child { border-top: 0; }
  .workflow-steps > li > span { margin: 3px 0 0; }
  .privacy-band { padding: 0; }
  .privacy-media { height: 390px; }
  .privacy-media img { object-position: 34% center; }
  .privacy-inner { width: 100%; padding: 84px 20px; }
  .privacy-band h2 { margin-bottom: 52px; font-size: 38px; }
  .beta-cta { align-items: stretch; flex-direction: column; padding: 84px 0; }
  .beta-cta h2 { font-size: 38px; }
  .site-footer { grid-template-columns: 1fr; justify-items: start; gap: 24px; padding: 32px 20px; }
  .footer-meta { justify-self: start; flex-direction: column; align-items: flex-start; gap: 8px; }
  .page-shell { width: calc(100% - 36px); }
  .download-hero { padding-top: 118px; padding-bottom: 58px; }
  .download-hero h1 { font-size: 54px; }
  .download-hero > p:not(.eyebrow) { font-size: 15px; }
  .download-layout { gap: 20px; padding-bottom: 70px; }
  .download-main { padding: 20px 18px 32px; }
  .notice { grid-template-columns: 1fr; }
  .legal-page, .help-page { padding-top: 118px; padding-bottom: 78px; }
  .legal-page h1, .help-intro h1 { font-size: 48px; }
  .legal-lead { margin: 40px 0 52px; font-size: 15px; }
  .contact-block { align-items: stretch; flex-direction: column; }
}

@media (max-width: 390px) {
  .hero-actions { flex-direction: column; }
  .hero-product { width: 126vw; right: -54vw; }
  .hero { min-height: 790px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}