:root {
  --ink: #edf7ff;
  --muted: #91a8b7;
  --paper: #07111f;
  --mint: #102c3a;
  --lime: #7cf1c4;
  --orange: #64d2ff;
  --line: rgba(148, 163, 184, .2);
  --serif: 'Space Grotesk', sans-serif;
  --sans: 'DM Sans', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: radial-gradient(circle at 12% 0%, rgba(59, 130, 246, .28), transparent 32%), radial-gradient(circle at 88% 100%, rgba(124, 241, 196, .12), transparent 28%), var(--paper); font-family: var(--sans); }
a { color: inherit; }
.page-shell { width: min(1160px, calc(100% - 40px)); margin: auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; }
.brand { display: inline-flex; align-items: center; gap: 7px; font-family: var(--serif); font-size: 1rem; font-weight: 700; text-decoration: none; }
.brand-icon { display: block; width: 28px; height: 28px; border-radius: 7px; object-fit: cover; object-position: center; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: var(--lime); font-weight: 700; }
nav { display: flex; gap: 28px; color: var(--muted); font-size: .92rem; }
nav a { text-decoration: none; }
.hero { display: grid; grid-template-columns: 1.06fr .94fr; gap: clamp(40px, 8vw, 100px); align-items: center; min-height: 630px; padding: 60px 0 80px; }
.eyebrow { margin: 0 0 18px; color: #e05d2a; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--serif); }
h1 { max-width: 640px; margin: 0; font-size: clamp(3.2rem, 7vw, 6.4rem); line-height: .92; letter-spacing: -.065em; }
.lede { max-width: 530px; margin: 26px 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.7; }
.trust-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
.trust-row span, .format-row span { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .73rem; font-weight: 700; letter-spacing: .06em; }
.download-form { display: grid; grid-template-columns: minmax(0, 1fr) 145px auto; gap: 8px; margin-top: 30px; padding: 8px; border: 1px solid var(--line); border-radius: 14px; background: rgba(15, 23, 42, .82); box-shadow: 0 14px 30px rgba(0, 0, 0, .28); }
.download-form input, .download-form select { min-width: 0; border: 0; outline: 0; padding: 15px 12px; background: transparent; color: var(--ink); font: inherit; }
.download-form input::placeholder { color: #718898; }
.download-form button { border: 0; border-radius: 9px; padding: 0 18px; background: linear-gradient(135deg, var(--lime), var(--orange)); color: #07111f; font-weight: 700; cursor: pointer; }
.download-form button span { color: var(--lime); margin-left: 7px; }
.form-note { margin: 10px 0 0; color: var(--muted); font-size: .78rem; }
.download-result { display: grid; gap: 8px; margin-top: 18px; padding: 18px; border: 1px solid rgba(124, 241, 196, .28); border-radius: 14px; background: rgba(15, 23, 42, .82); }.download-result span { color: var(--lime); font-size: .7rem; font-weight: 700; letter-spacing: .12em; }.download-result strong { font-family: var(--serif); font-size: 1.2rem; overflow-wrap: anywhere; }.download-result small { color: var(--muted); }.download-result a.download-button { display: flex; align-items: center; justify-content: center; width: 100%; min-height: 58px; margin-top: 10px; padding: 15px 20px; border-radius: 10px; background: #1677ff; box-shadow: 0 12px 26px rgba(22, 119, 255, .32); color: #fff; font-size: 1.05rem; font-weight: 800; text-decoration: none; transition: background .18s ease, transform .18s ease; }.download-result a.download-button:hover { background: #0b5fd7; transform: translateY(-1px); }.download-result a b { margin-left: 9px; }.download-result .result-error { color: #fecaca; letter-spacing: 0; line-height: 1.5; }
.hero-art { position: relative; padding: 10px; transform: rotate(2.5deg); border: 1px solid var(--line); border-radius: 24px; background: var(--mint); box-shadow: 22px 26px 0 rgba(16, 34, 43, .12); }
.window-bar { display: flex; align-items: center; gap: 7px; padding: 12px 12px 14px; font-size: .68rem; color: var(--muted); }
.window-bar i { width: 9px; height: 9px; border-radius: 50%; background: #ff816f; }.window-bar i:nth-child(2) { background: #e7b84b; }.window-bar i:nth-child(3) { background: #65bc83; }.window-bar span { margin-left: auto; }
.art-screen { position: relative; display: grid; align-content: end; min-height: 400px; overflow: hidden; padding: 28px; border-radius: 16px; background: linear-gradient(145deg, #fd9e66, #f1e177 45%, #8fd5a7); }
.art-screen::before { content: ''; position: absolute; width: 240px; height: 240px; top: 40px; right: -40px; border-radius: 50%; background: rgba(255,255,255,.24); }
.play-button { position: absolute; top: 38%; left: 43%; display: grid; place-items: center; width: 74px; height: 74px; border-radius: 50%; background: var(--ink); color: var(--lime); font-size: 1.4rem; }
.art-caption { position: relative; display: grid; gap: 8px; }.art-caption span { font-size: .7rem; font-weight: 700; letter-spacing: .12em; }.art-caption strong { font-family: var(--serif); font-size: 2.8rem; line-height: .95; letter-spacing: -.06em; }.art-progress { position: relative; height: 4px; margin-top: 28px; background: rgba(16,34,43,.2); }.art-progress span { display: block; width: 68%; height: 100%; background: var(--ink); }.format-row { display: flex; gap: 8px; padding: 15px 5px 5px; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-bottom: 130px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.metrics div { display: grid; gap: 4px; padding: 23px 0; background: var(--paper); }.metrics strong { font-family: var(--serif); font-size: 2rem; }.metrics span { color: var(--muted); font-size: .82rem; }
.section { padding: 0 0 130px; }.section h2 { max-width: 600px; margin: 0 0 36px; font-size: clamp(2.2rem, 5vw, 4.5rem); line-height: .98; letter-spacing: -.06em; }.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }.feature-grid article { min-height: 230px; padding: 26px; border-radius: 15px; background: #fff; }.feature-icon { color: var(--orange); font-family: var(--serif); font-weight: 700; }.feature-grid h3 { margin: 45px 0 10px; font-size: 1.4rem; }.feature-grid p, .steps span, details p { color: var(--muted); line-height: 1.65; }
.steps-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; }.steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }.steps li { display: grid; grid-template-columns: 65px 1fr; gap: 18px; padding: 22px 0; border-top: 1px solid var(--line); }.steps b { color: var(--orange); font-family: var(--serif); font-size: 1.3rem; }.steps span { display: grid; gap: 4px; }.steps strong { color: var(--ink); font-family: var(--serif); font-size: 1.2rem; }
.faq { max-width: 800px; }.faq h2 { margin-bottom: 24px; }.faq details { border-top: 1px solid var(--line); padding: 20px 0; }.faq details:last-child { border-bottom: 1px solid var(--line); }.faq summary { cursor: pointer; font-family: var(--serif); font-size: 1.1rem; font-weight: 600; }.faq details p { max-width: 650px; margin-bottom: 0; }
.guide-page { max-width: 820px; margin: 0 auto; padding: 62px 0 110px; }.guide-page h1 { max-width: 760px; font-size: 4.2rem; line-height: 1; letter-spacing: -.04em; }.guide-page h2 { margin: 54px 0 16px; font-size: 2rem; line-height: 1.12; }.guide-page h3 { margin: 28px 0 8px; font-size: 1.25rem; }.guide-page p, .guide-page li { color: var(--muted); font-size: 1rem; line-height: 1.8; }.guide-page li + li { margin-top: 8px; }.guide-page a { color: var(--lime); text-underline-offset: 3px; }.guide-meta { margin: 18px 0 0; color: var(--muted); font-size: .82rem; }.guide-toc { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 34px 0 48px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.guide-toc a { color: var(--ink); font-size: .9rem; }.guide-note { margin: 28px 0; padding: 2px 0 2px 20px; border-left: 3px solid var(--lime); }.guide-list { padding-left: 22px; }.guide-platform { padding: 18px 0; border-top: 1px solid var(--line); }.guide-platform h3 { margin-top: 0; }.guide-page .guide-platform p { margin: 0; }.guide-page footer { margin-top: 80px; }
footer { display: flex; justify-content: space-between; padding: 26px 0 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: .78rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
@media (max-width: 800px) { .page-shell { width: min(100% - 28px, 600px); }.topbar { padding: 20px 0; } .brand-icon { width: 25px; height: 25px; } .topbar nav { display: none; }.hero { grid-template-columns: 1fr; gap: 42px; min-height: auto; padding: 58px 0 75px; }.hero-art { max-width: 520px; margin: auto; }.download-form { grid-template-columns: 1fr; }.download-form button { min-height: 52px; }.download-form select { border-top: 1px solid var(--line); }.metrics { margin-bottom: 90px; }.feature-grid, .steps-section { grid-template-columns: 1fr; }.section { padding-bottom: 90px; } .guide-page { padding: 44px 0 78px; }.guide-page h1 { font-size: 3rem; }.guide-page h2 { margin-top: 42px; font-size: 1.7rem; }.guide-toc { gap: 12px 18px; } footer { gap: 16px; flex-direction: column; } }