[hidden] { display: none !important; }
:root {
  --bg: #f6f2ff; --card: #ffffff; --text: #1e1b2b; --muted: #625d72; --line: #e2d9f7;
  --accent: #6d28d9; --accent-text: #ffffff; --soft: #ece4ff; --in: #efeaf8; --out: #e2d6ff;
  --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000000; --card: #0c0c0f; --text: #f2f2f5; --muted: #9a9aa6; --line: #1e1e24;
    --accent: #b197fc; --accent-text: #1a0e3a; --soft: #111115; --in: #18181d; --out: #241d3d; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.6;
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: inherit; }
.top, main, footer { max-width: 1080px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.top { display: flex; justify-content: space-between; align-items: center; padding-top: 18px; padding-bottom: 18px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 21px; text-decoration: none; letter-spacing: -.01em; }
.mark { width: 26px; height: 26px; border-radius: 8px; background: var(--accent); position: relative; }
.mark::after { content: ""; position: absolute; inset: 6px 7px 6px 8px; border: 3px solid var(--accent-text); border-radius: 0 7px 7px 0; border-left-width: 3px; }
.langs { display: flex; gap: 4px; }
.langs button { border: 1px solid var(--line); background: transparent; color: var(--muted); border-radius: 999px;
  padding: 5px 12px; font: inherit; font-size: 14px; cursor: pointer; }
.langs button[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

.hero { display: grid; gap: 40px; padding: 36px 0 64px; align-items: center; }
@media (min-width: 900px) { .hero { grid-template-columns: 1.15fr 1fr; padding-top: 56px; } }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 15px; margin: 0 0 10px; }
h1 { font-size: clamp(32px, 5.2vw, 52px); line-height: 1.1; font-weight: 600; letter-spacing: -.03em; margin: 0 0 18px; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 26px; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 12px; font-weight: 500; text-decoration: none; border: 1px solid var(--line); cursor: pointer; }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost:hover { background: var(--soft); }
.note { color: var(--muted); font-size: 15px; margin-top: 18px; }

.chat { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 20px;
  display: flex; flex-direction: column; gap: 10px; box-shadow: 0 10px 40px rgba(0,0,0,.06); }
.chat figcaption { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.bubble { max-width: 86%; padding: 10px 14px; border-radius: 16px; font-size: 16px; line-height: 1.45; }
.bubble.in { align-self: flex-start; background: var(--in); border-bottom-left-radius: 5px; }
.bubble.out { align-self: flex-end; background: var(--out); border-bottom-right-radius: 5px; }
.tag { align-self: center; font-size: 13px; color: var(--muted); margin-top: 6px; }

.band { background: var(--soft); border-radius: 24px; padding: 44px 24px; margin: 0 0 56px; }
h2 { font-size: clamp(26px, 3.6vw, 34px); font-weight: 600; letter-spacing: -.015em; margin: 0 0 24px; }
h3 { font-size: 18px; font-weight: 600; margin: 0 0 6px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps p, .grid p { margin: 0; color: var(--muted); }
.n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent);
  color: var(--accent-text); font-weight: 700; margin-bottom: 10px; }
.features { margin-bottom: 56px; }
.grid { display: grid; gap: 16px; }
@media (min-width: 700px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid { grid-template-columns: repeat(3, 1fr); } }
.grid article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }

.faq details { border-top: 1px solid var(--line); padding: 14px 0; }
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 10px 0 0; color: var(--muted); max-width: 44em; }

.closing { text-align: center; padding: 20px 0 72px; }
.closing p { color: var(--muted); max-width: 32em; margin: 0 auto 22px; }
footer { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 14px; padding-top: 22px; padding-bottom: 32px; border-top: 1px solid var(--line); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }