:root {
  color-scheme: light dark;
  --bg: #f7f5fb;
  --surface: #ffffff;
  --surface-soft: #f0ecf6;
  --text: #1c1b20;
  --muted: #615d68;
  --brand: #6750a4;
  --brand-strong: #4f378b;
  --brand-soft: #eee7ff;
  --on-brand: #ffffff;
  --line: #ddd6e8;
  --success: #2f6b4f;
  --shadow: 0 24px 80px rgba(46, 34, 66, .11);
  --radius: 26px;
  --radius-lg: 38px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.skip { position: absolute; left: -9999px; top: 0; }
.skip:focus { left: 16px; top: 16px; z-index: 100; padding: 10px 14px; background: var(--surface); border: 2px solid var(--brand); border-radius: 10px; }
a:focus-visible, summary:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 58%, transparent); outline-offset: 4px; }
.site-header, footer, main { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; padding: 24px 0; gap: 24px; }
.site-header nav, footer nav { display: flex; gap: 20px; align-items: center; }
.site-header a, footer a { text-decoration: none; }
.site-header nav > a:not(.nav-cta):hover, footer nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.brand { font-size: 1.5rem; font-weight: 900; letter-spacing: -.05em; }
.nav-cta { padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font-weight: 750; }

.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr); gap: clamp(42px, 7vw, 88px); align-items: center; padding: clamp(72px, 10vw, 138px) 0 clamp(86px, 11vw, 142px); }
.hero-copy-block { min-width: 0; }
.eyebrow { margin: 0 0 14px; text-transform: uppercase; letter-spacing: .13em; font-weight: 850; font-size: .76rem; color: var(--brand); }
h1, h2, h3 { margin-top: 0; line-height: 1.05; letter-spacing: -.045em; }
h1 { font-size: clamp(3.25rem, 7.4vw, 7rem); margin-bottom: 28px; max-width: 760px; }
h2 { font-size: clamp(2.35rem, 4.7vw, 4.5rem); max-width: 860px; margin-bottom: 24px; }
h3 { font-size: 1.42rem; margin-bottom: 12px; }
.hero-copy { max-width: 690px; font-size: clamp(1.15rem, 2vw, 1.45rem); color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 23px; border-radius: 999px; text-decoration: none; font-weight: 780; transition: transform .18s ease, background .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-1px); }
.primary { background: var(--brand); color: var(--on-brand); border: 1px solid transparent; }
.primary:hover { background: var(--brand-strong); }
.secondary { border: 1px solid var(--line); background: var(--surface); }
.secondary:hover { border-color: var(--brand); }
.microcopy { margin: 22px 0 0; color: var(--muted); font-size: .92rem; max-width: 630px; }

.demo-wrap { min-width: 0; }
.demo-label { display: flex; align-items: center; gap: 8px; margin: 0 0 12px 10px; color: var(--muted); font-size: .78rem; font-weight: 700; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 14%, transparent); }
.demo-card { padding: clamp(22px, 4vw, 34px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); transform: rotate(1deg); }
.demo-topline { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; }
.topic-pill, .lock-pill { display: inline-flex; align-items: center; min-height: 30px; padding: 4px 10px; border-radius: 999px; font-size: .75rem; font-weight: 800; }
.topic-pill { background: var(--brand-soft); color: var(--brand-strong); }
.lock-pill { border: 1px solid var(--line); color: var(--muted); }
.demo-media { position: relative; overflow: hidden; aspect-ratio: 16/7; border-radius: 20px; background: linear-gradient(180deg, #d9dcff 0 58%, #b9b3c4 58% 68%, #d6c8b0 68%); margin-bottom: 25px; }
.building { position: absolute; bottom: 32%; width: 22%; background: #f4ede4; border: 4px solid #fff9; border-bottom: 0; }
.building:before, .building:after { content: ""; position: absolute; top: 18%; width: 20%; height: 24%; background: #7390a5; box-shadow: 0 28px 0 #7390a5; }
.building:before { left: 18%; } .building:after { right: 18%; }
.building.one { height: 63%; left: 6%; } .building.two { height: 78%; right: 8%; background: #f2d9c7; }
.street { position: absolute; left: 31%; right: 31%; bottom: -5%; height: 45%; transform: perspective(120px) rotateX(26deg); background: #807a88; border-left: 8px solid #eee5ce; border-right: 8px solid #eee5ce; }
.tree { position: absolute; bottom: 24%; width: 22px; height: 36px; background: #6e4d34; border-radius: 10px; }
.tree:before { content: ""; position: absolute; width: 58px; height: 58px; border-radius: 50%; background: #56866b; left: 50%; top: -42px; transform: translateX(-50%); }
.tree.t1 { left: 32%; } .tree.t2 { right: 31%; transform: scale(.82); }
.demo-question { font-size: clamp(1.65rem, 3vw, 2.35rem); line-height: 1.12; margin-bottom: 22px; }
.demo-options, .mini-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.demo-options span, .mini-options span { display: grid; place-items: center; min-height: 48px; border-radius: 999px; border: 1px solid var(--line); font-weight: 800; background: var(--surface-soft); }
.demo-note { margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.demo-note strong { color: var(--text); }

.section { padding: clamp(78px, 10vw, 126px) 0; border-top: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: minmax(0, .68fr) minmax(320px, .32fr); column-gap: 48px; align-items: end; margin-bottom: 42px; }
.section-intro .eyebrow { grid-column: 1 / -1; }
.section-intro h2 { margin-bottom: 0; }
.section-intro > p:last-child { color: var(--muted); margin: 0 0 4px; font-size: 1.03rem; }
.section-intro.narrow { display: block; max-width: 850px; }
.section-intro.narrow h2 { margin-bottom: 22px; }
.section-intro.narrow > p:last-child { max-width: 760px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.steps.four { grid-template-columns: repeat(4, 1fr); }
.steps article, .trust-grid article { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.steps article > span { display: block; color: var(--brand); font-weight: 900; margin-bottom: 50px; }
.steps p, .format-card p, .trust-grid p { color: var(--muted); margin-bottom: 0; }

.formats-section { overflow: hidden; }
.format-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.format-card { position: relative; overflow: hidden; min-height: 330px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.format-card:after { content: ""; position: absolute; width: 180px; height: 180px; right: -70px; bottom: -85px; border-radius: 50%; background: var(--brand-soft); opacity: .7; }
.format-icon { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 48px; border-radius: 16px; background: var(--brand-soft); color: var(--brand-strong); font-weight: 900; font-size: 1.05rem; }
.binary-card .mini-options { margin-top: 24px; max-width: 250px; }
.radio-stack, .check-stack { display: flex; gap: 10px; margin-top: 26px; }
.radio-stack i, .check-stack i { display: block; width: 24px; height: 24px; border: 2px solid var(--brand); }
.radio-stack i { border-radius: 50%; } .check-stack i { border-radius: 6px; }
.section-footnote { max-width: 820px; margin: 30px 0 0; color: var(--muted); font-size: .92rem; }

.visual-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(330px, .75fr); gap: clamp(40px, 8vw, 100px); align-items: center; }
.visual-copy > p:not(.eyebrow) { color: var(--muted); max-width: 680px; font-size: 1.07rem; }
.feature-list { margin: 28px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.feature-list li { position: relative; padding-left: 30px; }
.feature-list li:before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--success); font-weight: 900; }
.visual-demo { padding: 14px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); }
.visual-frame { position: relative; overflow: hidden; aspect-ratio: 4/3; border-radius: 27px; background: linear-gradient(#c9d5ff 0 64%, #f0c9a0 64%); }
.sun { position: absolute; width: 74px; height: 74px; border-radius: 50%; right: 14%; top: 13%; background: #ffe594; }
.hill { position: absolute; width: 120%; height: 65%; border-radius: 50% 50% 0 0; bottom: -31%; }
.hill.h1 { left: -38%; background: #789b7b; transform: rotate(9deg); } .hill.h2 { right: -52%; background: #557963; transform: rotate(-12deg); }
.visual-caption { display: flex; justify-content: space-between; gap: 12px; padding: 14px 8px 2px; color: var(--muted); font-size: .82rem; font-weight: 720; }

.social-section { position: relative; }
.social-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.social-row span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 17px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-weight: 720; }
.reach-card { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(36px, 7vw, 90px); padding: clamp(34px, 6vw, 68px); border-radius: var(--radius-lg); background: var(--text); color: var(--bg); }
.reach-card .eyebrow { color: #d9c8ff; }
.reach-card h2 { font-size: clamp(2.2rem, 4.2vw, 4rem); margin-bottom: 0; }
.reach-copy { align-self: end; }
.reach-copy p { color: color-mix(in srgb, var(--bg) 82%, transparent); }
.reach-copy p:last-child { margin-bottom: 0; }
.reach-copy strong { color: var(--bg); }

.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.trust-grid article { min-height: 210px; }
.faq-list { display: grid; max-width: 940px; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 24px 44px 24px 0; font-weight: 820; font-size: 1.08rem; position: relative; }
summary::-webkit-details-marker { display: none; }
summary:after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-size: 1.55rem; color: var(--brand); }
details[open] summary:after { content: "−"; }
details p { margin: -4px 52px 24px 0; max-width: 790px; color: var(--muted); }
.final-cta { text-align: center; padding-inline: 20px; }
.final-cta .eyebrow { text-align: center; }
.final-cta h2 { margin-inline: auto; }
.final-cta > p:not(.eyebrow) { color: var(--muted); font-size: 1.08rem; margin-bottom: 30px; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 36px 0 52px; color: var(--muted); font-size: .9rem; }
footer p { margin: 6px 0 0; }
.footer-brand { color: var(--text); }

.share-shell { min-height: calc(100vh - 96px); display: grid; place-items: center; padding: 48px 0 96px; }
.share-card { width: min(780px, 100%); padding: clamp(28px, 6vw, 58px); border: 1px solid var(--line); border-radius: clamp(22px, 5vw, 38px); background: var(--surface); box-shadow: var(--shadow); }
.share-card h1 { font-size: clamp(2rem, 6vw, 4.5rem); overflow-wrap: anywhere; }
.share-lock { max-width: 620px; color: var(--muted); font-size: 1.06rem; }
.share-media { display: block; width: 100%; max-height: 520px; object-fit: cover; margin: 0 0 28px; border-radius: 22px; background: var(--surface-soft); }
.share-embed { display: flex; align-items: center; gap: 12px; margin: 0 0 28px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface-soft); color: var(--muted); font-weight: 720; }
.share-embed span { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 36px; border-radius: 50%; background: var(--brand); color: var(--on-brand); }

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .demo-wrap { width: min(650px, 100%); }
  .section-intro { display: block; }
  .section-intro h2 { margin-bottom: 20px; }
  .steps.four { grid-template-columns: repeat(2, 1fr); }
  .format-grid { grid-template-columns: 1fr; }
  .format-card { min-height: 260px; }
  .format-icon { margin-bottom: 28px; }
  .visual-section { grid-template-columns: 1fr; }
  .visual-demo { width: min(560px, 100%); }
  .reach-card { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .site-header, footer, main { width: min(100% - 28px, 1180px); }
  .site-header nav > a:not(.nav-cta) { display: none; }
  .hero { padding-top: 58px; }
  h1 { font-size: clamp(3.05rem, 16vw, 5rem); }
  .demo-card { transform: none; }
  .steps.four, .trust-grid { grid-template-columns: 1fr; }
  .steps article > span { margin-bottom: 30px; }
  .visual-caption { flex-direction: column; }
  footer { flex-direction: column; }
  footer nav { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151318;
    --surface: #211e25;
    --surface-soft: #2c2830;
    --text: #eee7f1;
    --muted: #cac2ce;
    --brand: #cfbcff;
    --brand-strong: #b69df8;
    --brand-soft: #34294b;
    --on-brand: #271247;
    --line: #4b4552;
    --success: #84c7a6;
    --shadow: 0 24px 80px rgba(0, 0, 0, .28);
  }
  .topic-pill { color: var(--brand); }
  .demo-media { filter: brightness(.83) saturate(.84); }
  .reach-card { background: #eee7f1; color: #171419; }
  .reach-card .eyebrow { color: #59428f; }
  .reach-copy p { color: #49434e; }
  .reach-copy strong { color: #171419; }
}