:root { --bg: #0d0f14; --card: #151922; --line: #262c3a; --txt: #e8ebf2; --mut: #8b93a7; --acc: #9146ff; --cyan: #7fe9ff; --ok: #3ddc84; --bad: #ff6b81; }
* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
body { background: var(--bg); color: var(--txt); font: 16px/1.55 Inter, 'Segoe UI', system-ui, sans-serif; }
a { color: inherit; text-decoration: none; }
.skip { position: absolute; left: -999px; top: 0; background: var(--acc); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

.top { max-width: 1120px; margin: 0 auto; display: flex; align-items: center; gap: 22px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.logo { font-weight: 800; font-size: 19px; letter-spacing: -.01em; }
.top nav { display: flex; gap: 18px; font-size: 14px; color: var(--mut); flex: 1; flex-wrap: wrap; }
.top nav a:hover { color: var(--txt); }
.lang { display: flex; border: 1px solid var(--line); border-radius: 99px; overflow: hidden; font-size: 12px; font-weight: 700; }
.lang a { padding: 4px 11px; color: var(--mut); }
.lang a.on { background: var(--acc); color: #fff; }

main, footer { max-width: 1120px; margin: 0 auto; }
footer { padding: 22px 20px 34px; color: var(--mut); font-size: 13px; border-top: 1px solid var(--line); }
.btn { display: inline-block; background: #1e2433; border: 1px solid #2c3550; color: var(--txt); border-radius: 10px; padding: 8px 16px; font: 700 14px inherit; font-family: inherit; cursor: pointer; }
.btn:hover { border-color: var(--acc); }
.btn.primary { background: var(--acc); border-color: transparent; color: #fff; }
.btn.big { padding: 13px 26px; font-size: 16px; }
.chip { display: inline-block; border-radius: 99px; font-size: 11px; font-weight: 700; letter-spacing: .04em; padding: 2px 9px; border: 1px solid var(--line); color: var(--mut); vertical-align: middle; }
.chip.free { color: var(--ok); border-color: #1f5a38; }
.chip.pro { color: var(--acc); border-color: var(--acc); }
.err { color: var(--bad); margin: 8px 0; }

.hero { padding: 64px 20px 44px; text-align: center; }
.hero h1 { font-size: 44px; line-height: 1.1; font-weight: 800; letter-spacing: -.02em; max-width: 760px; margin: 0 auto; }
.hero p { color: var(--mut); max-width: 640px; margin: 16px auto 26px; font-size: 17px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
h2.sec { font-size: 24px; font-weight: 800; padding: 0 20px; scroll-margin-top: 16px; }
p.seclead { color: var(--mut); padding: 2px 20px 18px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 0 20px 40px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; }
.card:hover { border-color: var(--acc); }
.card .stage iframe { pointer-events: none; }
.card .body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card h3 { font-size: 17px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card p { color: var(--mut); font-size: 14px; flex: 1; }
.card .more { font-size: 13px; font-weight: 700; color: var(--cyan); margin-top: 6px; }
.stage { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #0b0f16; }
.stage iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 0 20px 40px; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; scroll-margin-top: 16px; }
.box h3 { font-size: 17px; margin-bottom: 6px; }
.box p { color: var(--mut); font-size: 14px; }
.box .row { margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap; }
.code { font: 12px ui-monospace, Consolas, monospace; background: #0a0d13; border: 1px solid #2a3248; border-radius: 6px; padding: 8px 10px; color: #9fb0d6; margin-top: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.devbox { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 12px; font-size: 13px; color: var(--mut); }
.devbox input { background: #0a0d13; border: 1px solid #2a3248; border-radius: 7px; padding: 7px 10px; color: var(--txt); font: inherit; min-width: 0; }

.crumb { padding: 20px 20px 0; font-size: 13px; color: var(--cyan); }
.thead { padding: 10px 20px 22px; }
.thead h1 { font-size: 38px; line-height: 1.15; font-weight: 800; letter-spacing: -.02em; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.thead p { color: #c5cadb; max-width: 760px; margin-top: 10px; font-size: 17px; }
.tcols { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; padding: 0 20px 34px; }
.demo { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #000; align-self: start; }
.demo .cap { background: var(--card); border-top: 1px solid var(--line); padding: 9px 14px; font-size: 12px; color: var(--mut); }
.info h2 { font-size: 15px; letter-spacing: .06em; text-transform: uppercase; color: var(--mut); margin: 0 0 8px; }
.info ul { list-style: none; margin-bottom: 22px; }
.info li { padding: 6px 0 6px 20px; position: relative; font-size: 15px; border-bottom: 1px solid #1b2130; }
.info li::before { content: ""; position: absolute; left: 2px; top: 15px; width: 8px; height: 8px; border-radius: 2px; background: var(--acc); }
.info p { font-size: 14px; color: #c5cadb; margin-bottom: 18px; }
.cta2 { padding: 0 20px 30px; }
.others { padding: 22px 20px 20px; border-top: 1px solid var(--line); }
.others h2 { font-size: 15px; margin-bottom: 10px; }
.others div { display: flex; gap: 8px; flex-wrap: wrap; }
.others a { border: 1px solid var(--line); border-radius: 99px; padding: 5px 14px; font-size: 13px; color: var(--cyan); }
.others a:hover { border-color: var(--acc); }
.combine { padding: 0 20px 24px; color: var(--mut); font-size: 13px; }

@media (max-width: 860px) { .grid { grid-template-columns: 1fr 1fr; } .hero h1 { font-size: 34px; } .tcols { grid-template-columns: 1fr; } .thead h1 { font-size: 30px; } }
@media (max-width: 640px) { .grid, .two { grid-template-columns: 1fr; } .top { gap: 12px; flex-wrap: wrap; } }