/* Project page (GitHub Pages). Same look as the app: colors and fonts of public/index.html.
   No scripts and no external resources; the fonts are the app's bundled OFL fonts. */

@font-face { font-family: 'Chakra Petch'; font-weight: 600; font-display: swap; src: url(fonts/chakra-petch-latin-600-normal.woff2) format('woff2'); }
@font-face { font-family: 'Chakra Petch'; font-weight: 700; font-display: swap; src: url(fonts/chakra-petch-latin-700-normal.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-weight: 400; font-display: swap; src: url(fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-weight: 500; font-display: swap; src: url(fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-weight: 600; font-display: swap; src: url(fonts/ibm-plex-sans-latin-600-normal.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 400; font-display: swap; src: url(fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2'); }

:root {
  color-scheme: dark;
  --bg: #111214; --panel: #1A1C20; --panel2: #1F2226; --line: #2A2D33; --line3: #3A3F46; --code-bg: #0D0E10;
  --text: #ECEAE4; --soft: #C9CDD3; --muted: #9BA0A8;
  --accent: #F5A524; --on-accent: #17120A; --info: #6FB8FF; --ok: #5FD1A8;
  --display: 'Chakra Petch', 'Segoe UI', sans-serif;
  --sans: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', Consolas, monospace;
  --wide: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; font-family: var(--sans); font-size: 17px; line-height: 1.6; color: var(--soft);
  background: radial-gradient(1100px 600px at 100% -10%, rgba(245, 165, 36, .13), transparent 60%), var(--bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #FFC266; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
code { font-family: var(--mono); font-size: .86em; background: var(--code-bg); border: 1px solid var(--line); border-radius: 6px; padding: .1em .4em; color: var(--text); overflow-wrap: anywhere; }
h1, h2, h3 { font-family: var(--display); color: var(--text); line-height: 1.15; margin: 0; }
h2 { font-size: clamp(28px, 4vw, 38px); letter-spacing: .01em; }
h3 { font-size: 20px; letter-spacing: .01em; }
p { margin: 0; }

.wrap { width: 100%; max-width: var(--wide); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 10; background: var(--accent); color: var(--on-accent); padding: 8px 14px; border-radius: 8px; }

/* header */
.top { position: sticky; top: 0; z-index: 5; background: rgba(17, 18, 20, .88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); font-family: var(--display); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 17px; white-space: nowrap; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand:hover { color: var(--text); }
.nav { display: none; gap: 22px; margin-left: auto; }
.nav a { color: var(--soft); text-decoration: none; font-size: 15px; }
.nav a:hover { color: var(--text); }
@media (min-width: 900px) { .nav { display: flex; } }
.lang { display: flex; margin-left: auto; border: 1px solid var(--line3); border-radius: 8px; overflow: hidden; font-family: var(--display); font-weight: 600; font-size: 14px; letter-spacing: .06em; }
@media (min-width: 900px) { .lang { margin-left: 0; } }
.lang a, .lang span { padding: 5px 11px; text-decoration: none; color: var(--soft); }
.lang span { background: var(--text); color: var(--bg); }
.lang a:hover { background: var(--panel2); color: var(--text); }

/* hero */
.hero { padding: 56px 0 24px; }
@media (min-width: 720px) { .hero { padding: 88px 0 32px; } }
.compat { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px; padding: 8px 16px 8px 12px; border: 1px solid rgba(95, 209, 168, .5); border-radius: 12px; background: rgba(95, 209, 168, .1); font-size: 15px; color: var(--soft); }
.compat strong { font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: .03em; color: var(--ok); }
.compat svg { width: 22px; height: 22px; flex: none; color: var(--ok); }
.eyebrow { font-family: var(--display); font-weight: 600; font-size: 14px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.hero h1 { font-size: clamp(38px, 7vw, 68px); letter-spacing: .01em; max-width: 14ch; }
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--soft); max-width: 46em; margin-top: 22px; }
.lead strong { color: var(--text); font-weight: 500; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border-radius: 10px; font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: .02em; text-decoration: none; border: 1px solid var(--line3); color: var(--text); background: var(--panel); }
.btn:hover { color: var(--text); border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: #FFB43C; color: var(--on-accent); }
.btn svg { width: 20px; height: 20px; flex: none; }
.facts { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 20px; font-size: 15px; color: var(--muted); padding: 0; list-style: none; }
.facts li::before { content: "·"; margin-right: 18px; color: var(--line3); }
.facts li:first-child::before { content: none; }
@media (max-width: 619px) { .facts { flex-direction: column; } .facts li::before { content: none; } }
.frame { margin-top: 48px; border: 1px solid var(--line3); border-radius: 14px; overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, .5); background: var(--panel); }
.frame a { display: block; }

/* sections */
section { padding: 72px 0 0; scroll-margin-top: 64px; }
.intro { max-width: 46em; margin-top: 14px; }
.grid { display: grid; gap: 16px; margin-top: 32px; grid-template-columns: 1fr; }
@media (min-width: 620px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid.four { grid-template-columns: repeat(4, 1fr); } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: 15.5px; }
.note { margin-top: 20px; color: var(--muted); font-size: 15.5px; max-width: 46em; }

.split { display: grid; gap: 32px; align-items: center; margin-top: 8px; }
@media (min-width: 960px) { .split { grid-template-columns: 5fr 7fr; gap: 48px; } }
.split p + p { margin-top: 14px; }

figure { margin: 0; }
.shots { display: grid; gap: 24px; margin-top: 32px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .shots { grid-template-columns: repeat(2, 1fr); } }
.shots img, .split img { border: 1px solid var(--line3); border-radius: 12px; }
figcaption { margin-top: 10px; font-size: 15px; color: var(--muted); }

.checks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; max-width: 52em; }
.checks li { position: relative; padding-left: 34px; }
.checks li::before { content: ""; position: absolute; left: 2px; top: .3em; width: 18px; height: 18px; border-radius: 5px; background: rgba(245, 165, 36, .16); border: 1px solid rgba(245, 165, 36, .55); }
.checks li::after { content: ""; position: absolute; left: 8px; top: calc(.3em + 4px); width: 5px; height: 9px; border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg); }

.steps { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; counter-reset: step; max-width: 52em; }
.steps li { position: relative; padding-left: 50px; counter-increment: step; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: -2px; width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: var(--panel2); border: 1px solid var(--line3); color: var(--text); font-family: var(--display); font-weight: 600; }

.faq { margin-top: 28px; display: grid; gap: 10px; max-width: 52em; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.faq summary { cursor: pointer; list-style: none; padding: 16px 48px 16px 20px; position: relative; color: var(--text); font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 12px; font-family: var(--display); font-size: 24px; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details > p { padding: 0 20px 18px; }
.faq details > p + p { padding-top: 0; margin-top: -6px; }

.cta { margin-top: 72px; padding: 40px 28px; border-radius: 16px; border: 1px solid var(--line3); background: radial-gradient(700px 300px at 0% 0%, rgba(245, 165, 36, .14), transparent 70%), var(--panel); }
.cta h2 { margin-bottom: 10px; }

footer { margin-top: 72px; border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 14.5px; color: var(--muted); }
footer p + p { margin-top: 8px; }
footer a { color: var(--soft); }