:root {
  --bg: #0f0f14; --bg2: #16161d; --card: #1b1b24; --line: #2a2a36; --text: #ececf3; --muted: #9a9aab;
  --accent: #6366f1; --accent2: #8b5cf6; --ok: #22c55e; --warn: #f59e0b; --radius: 16px;
  --font: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, "Noto Sans", sans-serif;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f7f7fb; --bg2: #ffffff; --card: #ffffff; --line: #e4e4ee; --text: #17171f; --muted: #626275; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* header */
header { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.brand:hover { text-decoration: none; }
nav { display: flex; gap: 20px; margin-left: auto; }
nav a { color: var(--muted); font-size: 15px; }
nav a:hover { color: var(--text); text-decoration: none; }
select.lang { background: var(--card); color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 6px 8px; font: inherit; font-size: 14px; }
@media (max-width: 760px) { nav { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; border: 0; border-radius: 12px; padding: 13px 22px; font: 600 15px var(--font); cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; color: #fff; text-decoration: none !important; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); box-shadow: 0 8px 24px -10px var(--accent); }
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -10px var(--accent); }
.btn.ghost { background: var(--card); color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); }
.btn[aria-disabled="true"] { opacity: .55; cursor: default; transform: none; }
.btn svg { width: 20px; height: 20px; flex: none; }

/* hero */
.hero { padding: 80px 0 56px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.1; margin: 0 0 18px; letter-spacing: -.02em; }
.hero h1 span { background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero .note { font-size: 14px; color: var(--muted); margin-top: 14px; }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; padding-top: 48px; } }

/* demo window */
.demo { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 18px; box-shadow: 0 30px 60px -30px rgba(0,0,0,.5); }
.demo .bar { display: flex; gap: 6px; margin-bottom: 14px; }
.demo .bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.demo .field { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; font-size: 18px; min-height: 56px; }
.demo .caret { display: inline-block; width: 2px; height: 1.1em; vertical-align: -3px; background: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.demo .fixed { color: var(--ok); transition: color .4s; }
.demo .chip { display: inline-flex; gap: 8px; align-items: center; margin-top: 12px; font-size: 13px; color: var(--muted); }
.demo .chip b { background: var(--accent); color: #fff; border-radius: 6px; padding: 1px 7px; font-size: 12px; }
.card-tr { margin-top: 16px; background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.card-tr .langs { display: flex; gap: 6px; flex-wrap: wrap; font-size: 12px; font-weight: 700; color: var(--muted); margin-bottom: 8px; }
.card-tr .langs span { padding: 2px 9px; border-radius: 999px; }
.card-tr .langs span.on { background: var(--accent); color: #fff; }
.card-tr .t { font-size: 16px; }
.card-tr .o { font-size: 13px; color: var(--muted); margin-top: 6px; border-top: 1px solid var(--line); padding-top: 6px; }

/* sections */
section { padding: 64px 0; }
h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -.01em; }
.sub { color: var(--muted); font-size: 17px; margin: 0 0 36px; max-width: 720px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.feat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.feat .ic { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; color: #fff; }
.feat .ic svg { width: 22px; height: 22px; }
.feat h3 { margin: 0 0 6px; font-size: 18px; }
.feat p { margin: 0; color: var(--muted); font-size: 15px; }

.privacy { display: flex; gap: 18px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; }
.privacy svg { width: 36px; height: 36px; color: var(--ok); flex: none; }
.privacy p { margin: 0; color: var(--muted); }
.privacy b { color: var(--text); }

/* extension */
.ext { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, var(--card)), var(--card)); border: 1px solid var(--line); border-radius: 20px; padding: 32px; }
.ext .btns { display: flex; gap: 10px; flex-wrap: wrap; }
@media (max-width: 760px) { .ext { grid-template-columns: 1fr; } }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 980px) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .plans { grid-template-columns: 1fr; } }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 10px; position: relative; }
.plan.best { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan .tag { position: absolute; top: -11px; left: 20px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 999px; }
.plan h3 { margin: 0; font-size: 17px; }
.plan .price { font-size: 34px; font-weight: 700; line-height: 1.1; }
.plan .price small { font-size: 15px; font-weight: 400; color: var(--muted); }
.plan ul { margin: 6px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 14px; }
.plan li { padding: 4px 0 4px 22px; position: relative; }
.plan li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 10px; height: 6px; border-left: 2px solid var(--ok); border-bottom: 2px solid var(--ok); transform: rotate(-45deg); }
.howbuy { margin-top: 20px; color: var(--muted); font-size: 14px; }

/* download */
.dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 800px) { .dl { grid-template-columns: 1fr; } }
.os { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.os svg.logo { width: 34px; height: 34px; }
.os h3 { margin: 0; font-size: 20px; }
.os p { margin: 0; color: var(--muted); font-size: 14px; }
.badge-soon { font-size: 12px; font-weight: 700; color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); padding: 3px 10px; border-radius: 999px; }
form.notify { margin-top: 28px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: grid; gap: 12px; }
form.notify .row { display: flex; gap: 10px; flex-wrap: wrap; }
form.notify input[type=email] { flex: 1 1 260px; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font: inherit; }
form.notify input[type=email]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
form.notify .opts { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
form.notify .fine { font-size: 13px; color: var(--muted); margin: 0; }
form.notify .msg { font-size: 14px; margin: 0; }
form.notify .msg.ok { color: var(--ok); } form.notify .msg.err { color: #f87171; }
.hp { position: absolute; left: -9999px; }

/* faq */
details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--muted); }
footer .grow { flex: 1; }

/* legal pages */
.legal { max-width: 780px; padding: 48px 24px 80px; }
.legal h1 { font-size: 34px; margin: 0 0 6px; }
.legal .date { color: var(--muted); margin-bottom: 28px; }
.legal h2 { font-size: 21px; margin: 32px 0 8px; }
.legal p, .legal li { color: color-mix(in srgb, var(--text) 86%, var(--muted)); }
.fill { background: color-mix(in srgb, var(--warn) 22%, transparent); border-radius: 4px; padding: 0 4px; }