/* SignBrush for Rust — site. Tokens mirror signbrush/gui/theme.py. */
@font-face { font-family: "Onest"; src: url("fonts/Onest.ttf") format("truetype"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/JetBrainsMono.ttf") format("truetype"); font-weight: 100 800; font-display: swap; }

:root {
  --bg: #0A0F0C;
  --chrome: #0D1310;
  --s1: #111813;
  --s2: #141C17;
  --s3: #1D2820;
  --border: #253128;
  --border-strong: #34433A;
  --text: #E7EEE8;
  --text2: #A3B2A7;
  --hint: #7D8C82;
  --accent: #86C04A;
  --accent-hover: #98D25B;
  --accent-text: #A6D873;
  --on-accent: #0E1A07;
  --warn: #F2A541;
  --warn-text: #F5B963;
  --danger: #E5534B;
  --wood: #A89383;
  --radius: 18px;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --sans: "Onest", "Segoe UI", system-ui, sans-serif;
  --max: 1180px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-color: var(--border-strong) var(--bg); scrollbar-width: thin; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  /* green glows and a faint dot grid, like the app's canvas backdrop */
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(134,192,74,.16), transparent 60%),
    radial-gradient(700px 480px at 100% 30%, rgba(134,192,74,.08), transparent 60%),
    radial-gradient(circle at 1px 1px, rgba(231,238,232,.05) 1px, transparent 0) 0 0 / 22px 22px;
}
::selection { background: rgba(134,192,74,.35); color: #fff; }

/* scrollbars */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--s3), var(--border-strong)); border-radius: 10px; border: 3px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

a { color: var(--accent-text); text-decoration: none; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { margin: 0; letter-spacing: -.02em; line-height: 1.08; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

/* custom cursor (fine pointers only, see app.js) */
.has-cursor, .has-cursor * { cursor: none !important; }
.cursor { position: fixed; left: 0; top: 0; z-index: 1000; pointer-events: none; display: none; }
.has-cursor .cursor { display: block; }
.cursor-dot, .cursor-ring { position: absolute; border-radius: 50%; transform: translate(-50%, -50%); }
.cursor-dot { width: 7px; height: 7px; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.cursor-ring {
  width: 34px; height: 34px; border: 1.5px solid rgba(134,192,74,.6);
  transition: width .2s, height .2s, background .2s, border-color .2s;
}
.cursor.hover .cursor-ring { width: 54px; height: 54px; background: rgba(134,192,74,.12); border-color: var(--accent); }
.cursor.down .cursor-ring { width: 24px; height: 24px; }
.trail { position: fixed; inset: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 999; }

/* scroll progress */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60; }
.progress span { display: block; height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, var(--accent), #D4F59C); box-shadow: 0 0 12px var(--accent); }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 24px;
  padding: 14px max(20px, calc((100vw - var(--max)) / 2));
  background: rgba(10,15,12,.72); backdrop-filter: blur(14px) saturate(1.3); -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid transparent; transition: border-color .3s, background .3s;
}
.nav.scrolled { border-color: var(--border); background: rgba(13,19,16,.86); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 17px; white-space: nowrap; }
.brand em, .footer-brand em { font-style: normal; font-weight: 500; color: var(--hint); }
.links { display: flex; gap: 4px; margin-left: 8px; }
.links a { color: var(--text2); padding: 8px 12px; border-radius: 10px; font-size: 15px; font-weight: 500; transition: color .2s, background .2s; }
.links a:hover, .links a.active { color: var(--text); background: var(--s2); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.lang { display: flex; padding: 3px; gap: 2px; border-radius: 10px; background: #0C120E; border: 1px solid var(--border); }
.lang button {
  font: 600 13px var(--mono); color: var(--hint); background: none; border: 1px solid transparent;
  padding: 5px 10px; border-radius: 7px; transition: all .2s;
}
.lang button.on { background: var(--s3); color: var(--text); border-color: rgba(134,192,74,.45); }

/* buttons */
.btn {
  --h: 48px;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px; height: var(--h); padding: 0 22px;
  border-radius: 13px; font: 600 16px var(--sans); border: 1px solid transparent; white-space: nowrap;
  transition: transform .18s, background .2s, border-color .2s, box-shadow .25s, color .2s;
}
.btn:active { transform: translateY(1px) scale(.98); }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 8px 30px -10px rgba(134,192,74,.7); }
.btn-primary:hover { background: var(--accent-hover); color: var(--on-accent); box-shadow: 0 10px 40px -8px rgba(134,192,74,.85); transform: translateY(-2px); }
.btn-ghost { background: var(--s2); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--border-strong); background: var(--s3); color: var(--text); }
.btn-warn { background: rgba(242,165,65,.14); color: var(--warn-text); border-color: rgba(242,165,65,.45); }
.btn-warn:hover { background: rgba(242,165,65,.24); color: #FFD08A; }
.btn-sm { --h: 38px; padding: 0 14px; font-size: 14px; border-radius: 10px; }
.btn-lg { --h: 58px; padding: 0 30px; font-size: 18px; border-radius: 16px; }

/* hero */
main { padding: 0 max(20px, calc((100vw - var(--max)) / 2)); }
.hero { display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; min-height: calc(100vh - 70px); padding: 56px 0 40px; }
.beta-pill {
  display: inline-flex; align-items: center; gap: 9px; padding: 6px 14px 6px 10px; border-radius: 99px;
  background: rgba(242,165,65,.1); border: 1px solid rgba(242,165,65,.4); color: var(--warn-text); font-size: 14px; font-weight: 600;
}
.beta-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 0 0 rgba(242,165,65,.6); animation: ping 1.8s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 9px rgba(242,165,65,0); } 100% { box-shadow: 0 0 0 0 rgba(242,165,65,0); } }
.hero h1 { font-size: clamp(42px, 5.6vw, 76px); font-weight: 800; margin: 22px 0 20px; }
.ink {
  background: linear-gradient(100deg, var(--accent) 0%, #D4F59C 45%, var(--accent) 90%) 0 0 / 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent; animation: sheen 6s linear infinite;
}
@keyframes sheen { to { background-position: -220% 0; } }
.lead { font-size: 19px; color: var(--text2); max-width: 540px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.facts { list-style: none; padding: 0; margin: 40px 0 0; display: flex; gap: 34px; flex-wrap: wrap; }
.facts li { display: flex; flex-direction: column; }
.facts b { font: 700 30px var(--mono); color: var(--text); }
.facts span { color: var(--hint); font-size: 14px; }

.hero-art { position: relative; perspective: 1200px; }
.sign { transform: rotateY(-9deg) rotateX(3deg); transform-style: preserve-3d; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.hero-art:hover .sign { transform: rotateY(-3deg) rotateX(1deg); }
.sign-board {
  position: relative; padding: 16px; border-radius: 10px;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.18) 0 2px, transparent 2px 46px),
    linear-gradient(180deg, #6E5A48, #574536);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.05) inset, 0 0 120px -40px rgba(134,192,74,.35);
}
#paint { width: 100%; height: auto; aspect-ratio: 2 / 1; display: block; border-radius: 3px; image-rendering: pixelated; background: var(--wood); }
.brush {
  position: absolute; left: 0; top: 0; width: 22px; height: 22px; margin: -11px 0 0 -11px; border-radius: 50%;
  border: 2px solid #fff; box-shadow: 0 0 0 2px rgba(0,0,0,.35), 0 0 18px rgba(134,192,74,.9);
  transition: opacity .3s; pointer-events: none;
}
.sign-post { width: 26px; height: 70px; margin: 0 auto; background: linear-gradient(90deg, #4A3A2C, #6B5644 50%, #4A3A2C); border-radius: 0 0 6px 6px; }
.hud {
  position: absolute; right: -6px; top: -22px; display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  border-radius: 14px; background: rgba(13,19,16,.9); border: 1px solid var(--border-strong);
  box-shadow: 0 16px 40px -12px rgba(0,0,0,.8); font-size: 14px; animation: float 5s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-8px); } }
.hud-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.hud-label { font-weight: 600; }
.hud-num { font: 600 14px var(--mono); color: var(--accent-text); min-width: 42px; text-align: right; }
.hud-bar { width: 90px; height: 6px; border-radius: 3px; background: var(--s3); overflow: hidden; }
.hud-bar i { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 3px; }

/* beta notice */
.notice {
  display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; margin: 0 0 40px;
  padding: 20px 22px; border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(242,165,65,.12), rgba(242,165,65,.04)); border: 1px solid rgba(242,165,65,.4);
}
.notice-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(242,165,65,.16); color: var(--warn); }
.notice b { font-size: 17px; color: var(--warn-text); }
.notice p { color: #E8D9C4; margin-top: 4px; font-size: 15px; }

/* sections */
.section { padding: 90px 0 30px; }
.section-head { max-width: 720px; margin-bottom: 40px; }
.eyebrow { display: inline-block; font: 600 13px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 14px; }
.eyebrow.warn { color: var(--warn-text); }
.section h2 { font-size: clamp(32px, 3.8vw, 50px); font-weight: 800; }
.section-head p { color: var(--text2); font-size: 18px; margin-top: 16px; }

/* gallery */
.gallery { display: grid; grid-template-columns: 1.9fr 1fr; gap: 22px; align-items: center; }
.shot {
  margin: 0; position: relative; border-radius: var(--radius); overflow: hidden; background: var(--s1);
  border: 1px solid var(--border); transform-style: preserve-3d; transition: transform .25s ease-out, border-color .3s, box-shadow .3s;
}
.shot img { width: 100%; height: auto; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.shot:hover { border-color: rgba(134,192,74,.5); box-shadow: 0 30px 70px -30px rgba(134,192,74,.4); }
.shot:hover img { transform: scale(1.04); }
.shot figcaption {
  position: absolute; left: 12px; right: 12px; bottom: 12px; display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-radius: 12px; background: rgba(10,15,12,.78); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  font-size: 14px; font-weight: 500; border: 1px solid rgba(255,255,255,.06);
}
.zoom { color: var(--accent-text); font-size: 18px; }

.gallery-single { grid-template-columns: 1fr; max-width: 980px; }

/* before / after */
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: center; }
.split .section-head { margin: 0; }
.compare { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); aspect-ratio: 2 / 1; user-select: none; touch-action: pan-y; background: var(--s1); }
.compare > img, .compare-top img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; image-rendering: pixelated; }
.compare-top { position: absolute; inset: 0; clip-path: inset(0 50% 0 0); }
.compare-top img { image-rendering: auto; }
.compare-handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; margin-left: -1px; background: var(--accent); box-shadow: 0 0 14px var(--accent); }
.compare-handle span {
  position: absolute; top: 50%; left: 50%; width: 42px; height: 42px; margin: -21px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 4px 18px rgba(0,0,0,.5);
}
.compare-handle span::before, .compare-handle span::after {
  content: ""; position: absolute; top: 50%; width: 8px; height: 8px; border: solid var(--on-accent); border-width: 0 0 2.5px 2.5px;
}
.compare-handle span::before { left: 10px; transform: translateY(-50%) rotate(45deg); }
.compare-handle span::after { right: 10px; transform: translateY(-50%) rotate(-135deg); }
.compare-tag { position: absolute; top: 12px; padding: 5px 10px; border-radius: 8px; background: rgba(10,15,12,.8); font: 600 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.compare-tag.left { left: 12px; } .compare-tag.right { right: 12px; color: var(--accent-text); }

/* cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card, .mini {
  position: relative; padding: 26px; border-radius: var(--radius); background: linear-gradient(180deg, var(--s2), var(--s1));
  border: 1px solid var(--border); transition: transform .3s, border-color .3s;
}
.card:hover, .mini:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.card.featured { border-color: rgba(134,192,74,.5); box-shadow: 0 0 0 1px rgba(134,192,74,.15) inset, 0 30px 60px -40px rgba(134,192,74,.6); }
.card h3 { font-size: 24px; margin-bottom: 10px; }
.card p, .mini p { color: var(--text2); font-size: 15px; }
.badge { position: absolute; top: 20px; right: 20px; padding: 4px 10px; border-radius: 99px; background: var(--accent); color: var(--on-accent); font-size: 12px; font-weight: 700; }
.meter { position: relative; height: 6px; border-radius: 3px; background: var(--s3); margin-top: 26px; }
.meter + .meter { margin-top: 30px; }
.meter span { position: absolute; inset: 0 auto 0 0; width: calc(var(--v) * 100%); border-radius: 3px; background: var(--accent); transform-origin: 0 50%; transform: scaleX(0); transition: transform 1.2s cubic-bezier(.2,.8,.2,1) .2s; }
.reveal.in .meter span { transform: scaleX(1); }
.meter em { position: absolute; left: 0; top: -22px; font: 500 12px var(--mono); color: var(--hint); font-style: normal; }
.mini b { display: block; font-size: 18px; margin-bottom: 8px; }
.mini::before { content: ""; display: block; width: 30px; height: 3px; border-radius: 2px; background: var(--accent); margin-bottom: 18px; }
.wide-figure { margin: 26px 0 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }

/* how */
.how { display: grid; grid-template-columns: 1fr 1.25fr; gap: 50px; align-items: start; }
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; position: relative; }
.steps li { display: flex; gap: 18px; padding: 18px; border-radius: 16px; transition: background .3s; }
.steps li:hover { background: var(--s1); }
.num { flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font: 700 15px var(--mono); color: var(--on-accent); background: var(--accent); box-shadow: 0 0 0 6px rgba(134,192,74,.12); }
.steps b { font-size: 18px; }
.steps p { color: var(--text2); font-size: 15px; margin-top: 4px; }
.app-shot { margin: 0; position: sticky; top: 100px; border-radius: 14px; overflow: hidden; border: 1px solid var(--border-strong); box-shadow: 0 50px 100px -40px rgba(0,0,0,.9); transition: transform .25s ease-out; }

/* feedback */
.feedback {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; margin-top: 70px; padding: 44px;
  border-radius: 26px; background: radial-gradient(600px 300px at 0% 0%, rgba(242,165,65,.12), transparent 70%), var(--s1);
  border: 1px solid rgba(242,165,65,.3);
}
.feedback > div > p { color: var(--text2); font-size: 17px; margin-top: 16px; }
.checklist { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.checklist li { position: relative; padding-left: 30px; color: var(--text); }
.checklist li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 6px; background: rgba(134,192,74,.16); border: 1px solid rgba(134,192,74,.5); }
.checklist li::after { content: ""; position: absolute; left: 6px; top: 7px; width: 5px; height: 9px; border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.log { padding: 18px; border-radius: 16px; background: #080C0A; border: 1px solid var(--border); font: 13px/1.9 var(--mono); color: var(--text2); overflow: hidden; }
.log time { color: var(--hint); }
.log .ok { color: var(--accent-text); }
.caret { display: inline-block; width: 8px; height: 15px; background: var(--accent); vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { to { opacity: 0; } }

/* faq */
.faq { display: grid; gap: 12px; max-width: 860px; }
.faq details { border-radius: 16px; background: var(--s1); border: 1px solid var(--border); transition: border-color .3s; }
.faq details[open] { border-color: rgba(134,192,74,.45); }
.faq summary { list-style: none; padding: 20px 56px 20px 22px; font-size: 18px; font-weight: 600; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font: 400 26px var(--mono); color: var(--accent); transition: transform .3s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 22px 22px; color: var(--text2); }

/* final + footer */
.final { text-align: center; padding: 120px 0 110px; }
.final h2 { font-size: clamp(34px, 4.6vw, 60px); font-weight: 800; }
.final p { color: var(--text2); font-size: 18px; margin: 14px 0 30px; }
.footer { border-top: 1px solid var(--border); padding: 34px max(20px, calc((100vw - var(--max)) / 2)) 44px; color: var(--hint); font-size: 14px; display: grid; gap: 8px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; margin-bottom: 6px; }
.footer .small { font-size: 13px; }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 30px; background: rgba(5,8,6,.9); backdrop-filter: blur(6px); }
.lightbox[hidden] { display: none; }
.lightbox img { max-height: 90vh; width: auto; border-radius: 12px; box-shadow: 0 30px 80px rgba(0,0,0,.8); animation: pop .35s cubic-bezier(.2,.8,.2,1); }
.lightbox-close { position: absolute; top: 18px; right: 22px; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border-strong); background: var(--s2); color: var(--text); font-size: 26px; line-height: 1; }
@keyframes pop { from { transform: scale(.92); opacity: 0; } }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* responsive */
@media (max-width: 980px) {
  .hero, .split, .how, .feedback, .gallery { grid-template-columns: 1fr; }
  .hero { min-height: 0; gap: 60px; }
  .cards, .cards-4 { grid-template-columns: 1fr 1fr; }
  .links { display: none; }
  .app-shot { position: static; }
  .feedback { padding: 28px; }
}
@media (max-width: 620px) {
  .cards, .cards-4 { grid-template-columns: 1fr; }
  .notice { grid-template-columns: 1fr; }
  .nav { gap: 10px; }
  .brand span { display: none; }
  .hud { right: 0; top: -30px; }
  .facts { gap: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .meter span { transform: scaleX(1); }
}