:root {
  --bg: #0e0e13;
  --bg-alt: #12121a;
  --surface: #17171f;
  --surface-2: #1e1e28;
  --border: #2a2a37;
  --text: #ecebf3;
  --muted: #9b99ad;
  --accent: #8b7bff;
  --accent-strong: #7566f0;
  --accent-soft: rgba(139, 123, 255, 0.14);
  --add: #4fd6a0;
  --del: #ff7a8a;
  --radius: 14px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
code { font-family: var(--mono); font-size: 0.88em; background: var(--surface-2); padding: 1px 6px; border-radius: 6px; }

.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }
.wrap--narrow { width: min(820px, 100% - 40px); }
.center { text-align: center; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 12px; border: 1px solid transparent;
  font: 600 16px/1 var(--font); text-decoration: none; cursor: pointer;
  transition: background .15s, border-color .15s, transform .15s;
}
.btn:focus-visible, .tab:focus-visible, .billing__opt:focus-visible, summary:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}
.btn--primary { background: var(--accent); color: #12101f; }
.btn--primary:hover { background: #a094ff; transform: translateY(-1px); }
.btn--ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn--sm { padding: 10px 16px; font-size: 14px; border-radius: 10px; }
.btn--block { width: 100%; }
.show-sm { display: none; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14, 14, 19, 0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; text-decoration: none; letter-spacing: -0.01em; }
.brand img { border-radius: 8px; }
.nav__links { display: flex; gap: 26px; }
.nav__links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav__links a:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden; padding: 72px 0 40px;
  background:
    radial-gradient(900px 480px at 78% -10%, rgba(139, 123, 255, 0.22), transparent 60%),
    radial-gradient(600px 360px at 0% 30%, rgba(79, 214, 160, 0.07), transparent 60%);
}
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px; color: var(--accent); font-size: 14px; font-weight: 600; letter-spacing: .02em; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--add); box-shadow: 0 0 0 4px rgba(79, 214, 160, .15); }
h1 { margin: 0 0 20px; font-size: clamp(34px, 5vw, 56px); line-height: 1.08; letter-spacing: -0.03em; font-weight: 800; }
h1 em { font-style: normal; background: linear-gradient(100deg, #b6aaff, #8b7bff 40%, #4fd6a0); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { margin: 0 0 14px; font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 800; }
h3 { margin: 0 0 8px; font-size: 19px; letter-spacing: -0.01em; }
.lead { margin: 0 0 28px; color: var(--muted); font-size: 19px; max-width: 34em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 15px; }
.hero__facts b { color: var(--text); }

.strip { display: flex; flex-wrap: wrap; gap: 6px 32px; margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--muted); font-size: 15px; }
.strip b { color: var(--text); font-weight: 600; }

/* ---------- sections ---------- */
.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section__lead { margin: 0 0 40px; color: var(--muted); font-size: 18px; max-width: 42em; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); transition: border-color .2s, transform .2s; }
.card:hover { border-color: rgba(139, 123, 255, .5); transform: translateY(-2px); }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
.card__icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px; border-radius: 12px; background: var(--accent-soft); font-size: 22px; }

.modes { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.mode { display: flex; gap: 16px; align-items: flex-start; padding: 22px 26px; border: 1px dashed var(--border); border-radius: var(--radius); }
.mode p { margin: 0; color: var(--muted); font-size: 15.5px; }
.mode b { color: var(--text); }
.chip { flex: none; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--border); font-size: 13px; font-weight: 600; }
.chip--accent { background: var(--accent); border-color: var(--accent); color: #12101f; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 36px 0 0; padding: 0; list-style: none; counter-reset: s; }
.steps li { padding: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.steps p { margin: 0; color: var(--muted); font-size: 15.5px; }
.step__n { display: grid; place-items: center; width: 36px; height: 36px; margin-bottom: 14px; border-radius: 50%; background: var(--accent); color: #12101f; font-weight: 800; }

/* ---------- app mockups ---------- */
.app { border: 1px solid var(--border); border-radius: 16px; background: #fbfbfd; color: #1b1b24; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.03); font-size: 13.5px; line-height: 1.5; text-align: left; }
.app--hero { transform: perspective(1400px) rotateY(-5deg) rotateX(2deg); transition: transform .4s; }
.app--hero:hover { transform: none; }
.app__bar { display: flex; align-items: center; gap: 12px; height: 38px; padding: 0 14px; background: #f1f1f6; border-bottom: 1px solid #e3e3ec; }
.lights { display: inline-flex; gap: 6px; }
.lights i { width: 11px; height: 11px; border-radius: 50%; background: #d6d6e0; }
.lights i:nth-child(1) { background: #ff6058; } .lights i:nth-child(2) { background: #ffbd2e; } .lights i:nth-child(3) { background: #28c940; }
.app__title { flex: 1; text-align: center; color: #6c6b80; font-size: 12.5px; margin-right: 52px; }
.app__body { display: grid; grid-template-columns: 190px 1fr; min-height: 420px; }
.app__body--solo { grid-template-columns: 1fr; min-height: 0; }
.app__side { padding: 12px; background: #f6f6fa; border-right: 1px solid #e6e6ee; display: flex; flex-direction: column; gap: 2px; }
.side__logo { margin: 2px 4px 10px; }
.side__logo img { border-radius: 5px; }
.side__row, .side__item { padding: 6px 8px; border-radius: 7px; color: #3b3a4c; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side__row--active, .side__item--active { background: #e9e8f2; }
.side__label { margin: 14px 8px 4px; color: #8a899c; font-size: 12px; }
.side__item { font-weight: 400; font-size: 13px; }
.side__foot { margin-top: auto; padding: 8px; color: #3b3a4c; }
.app__main { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 9px; min-width: 0; }
.stats { display: flex; flex-wrap: wrap; gap: 2px 12px; padding: 6px 10px; border: 1px solid #e3e3ec; border-radius: 8px; background: #fff; color: #6c6b80; font-size: 12px; }
.stats b { color: #1b1b24; }
.add { color: #12a874; } .del { color: #e0455a; }
b.add, b.del { font-weight: 600; }
.msg { max-width: 88%; padding: 9px 13px; border-radius: 11px; }
.msg--user { align-self: flex-end; background: #eeedf5; }
.msg--ai { color: #2c2b3a; padding-inline: 2px; }
.msg--done { padding: 10px 13px; border: 1px solid #e3e3ec; border-radius: 11px; background: #fff; }
.msg code, .row code { background: #eeedf5; color: #2c2b3a; }
.row { padding: 6px 10px; border: 1px solid #e8e8f0; border-radius: 8px; background: #fff; color: #4b4a5f; font-size: 12.5px; }
.row--diff { display: flex; align-items: center; gap: 8px; }
.row--diff .add, .row--diff .del { font-family: var(--mono); font-size: 12px; font-weight: 600; }
.think { color: #8a899c; font-size: 12.5px; padding-left: 2px; }
.work { color: #8a899c; font-size: 12.5px; padding-left: 2px; border-left: 2px solid #e3e3ec; padding: 2px 0 2px 10px; }
.composer { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 11px 13px; border: 1.5px solid #cfc9ff; border-radius: 12px; background: #fff; color: #9b99ad; font-size: 12.5px; }
.composer > span:first-child { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.composer__meta { flex: none; color: #6c6b80; white-space: nowrap; }

/* tabs */
.tabs { display: inline-flex; gap: 6px; padding: 5px; margin-bottom: 22px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); flex-wrap: wrap; }
.tab { padding: 9px 16px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font: 600 14.5px/1 var(--font); cursor: pointer; }
.tab.is-active { background: var(--accent); color: #12101f; }
.panel { max-width: 820px; }
.panel[hidden] { display: none; }
.approve__hint { margin: 0; color: #6c6b80; }
.diff { border: 1px solid #e3e3ec; border-radius: 10px; overflow: hidden; background: #fff; }
.diff__head { display: flex; justify-content: space-between; padding: 8px 12px; background: #f4f4f9; border-bottom: 1px solid #e3e3ec; font-size: 12.5px; }
.diff__head code { background: transparent; padding: 0; }
.diff__code { padding: 6px 0; font-family: var(--mono); font-size: 12.5px; line-height: 1.75; overflow-x: auto; }
.dl { display: flex; white-space: pre; padding-right: 12px; min-width: max-content; }
.dl .ln { flex: none; width: 44px; padding-right: 12px; text-align: right; color: #a3a2b5; user-select: none; }
.dl--del { background: #ffe9ec; color: #b4303f; }
.dl--add { background: #e3f8ef; color: #0c7a54; }
.approve__btns { display: flex; gap: 10px; }
.sum { padding: 6px 4px 4px; background: radial-gradient(520px 220px at 0 0, rgba(139, 123, 255, .14), transparent 70%); }
.sum__head { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; font-size: 15px; font-weight: 600; color: #2c2b3a; }
.sum__ok { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: #12a874; color: #fff; font-size: 14px; }
.sum__hero { display: flex; flex-wrap: wrap; gap: 8px 56px; }
.sum__hero span { display: block; margin-top: 2px; color: #6c6b80; font-size: 13px; }
.sum__num { display: block; font-size: clamp(44px, 7vw, 68px); line-height: 1; font-weight: 800; letter-spacing: -0.04em; }
.sum__num--add { background: linear-gradient(100deg, #12a874, #4fd6a0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sum__num--del { background: linear-gradient(100deg, #e0455a, #ff8a98); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sum__bar { display: flex; height: 8px; margin: 22px 0 26px; border-radius: 999px; overflow: hidden; background: #ecebf3; }
.sum__bar i:first-child { flex: 184; background: linear-gradient(90deg, #12a874, #4fd6a0); }
.sum__bar i:last-child { flex: 12; background: #ff7a8a; }
.sum__list { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding-top: 18px; border-top: 1px solid #e6e6ee; }
.sum__list div { padding: 0 14px; border-left: 1px solid #e6e6ee; }
.sum__list div:first-child { padding-left: 0; border-left: 0; }
.sum__list dt { font-size: 34px; line-height: 1.1; font-weight: 800; letter-spacing: -0.03em; color: #5b4bd8; }
.sum__list dd { margin: 2px 0 0; color: #6c6b80; font-size: 13px; }
.sum__note { margin: 20px 0 0; color: #8a899c; font-size: 12.5px; }

/* ---------- compare ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.compare { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 15px; }
.compare th, .compare td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.compare thead th { color: var(--muted); font-size: 13.5px; font-weight: 600; background: var(--surface-2); }
.compare tbody th { font-weight: 500; color: var(--text); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.compare .us { background: rgba(139, 123, 255, .09); color: var(--text); font-weight: 600; }
.compare thead .us { color: var(--accent); }
.yes::before { content: "✓ "; color: var(--add); }
.no::before { content: "✕ "; color: var(--del); }
.mid::before { content: "• "; color: #e8b84e; }
.yes, .no, .mid { color: var(--muted); }
.compare .us.yes { color: var(--text); }
.footnote { margin: 16px 0 0; color: var(--muted); font-size: 13.5px; }
.footnote.center { text-align: center; }

/* ---------- pricing ---------- */
.billing { display: inline-flex; gap: 4px; padding: 5px; margin-bottom: 30px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.billing__opt { padding: 10px 18px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font: 600 15px/1 var(--font); cursor: pointer; }
.billing__opt.is-active { background: var(--surface-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--border); }
.badge { margin-left: 6px; padding: 2px 8px; border-radius: 999px; background: rgba(79, 214, 160, .16); color: var(--add); font-size: 12px; }
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; align-items: stretch; max-width: 820px; margin-inline: auto; }
.plan { position: relative; display: flex; flex-direction: column; padding: 30px 28px; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); }
.plan--featured { border-color: var(--accent); background: linear-gradient(180deg, rgba(139, 123, 255, .13), var(--surface) 55%); box-shadow: 0 20px 60px rgba(139, 123, 255, .14); }
.plan__tag { position: absolute; top: -13px; left: 28px; padding: 4px 12px; border-radius: 999px; background: var(--accent); color: #12101f; font-size: 12.5px; font-weight: 700; }
.plan h3 { font-size: 22px; }
.plan__for { margin: 0 0 18px; color: var(--muted); font-size: 14.5px; min-height: 44px; }
.plan__price { margin: 0; display: flex; align-items: baseline; gap: 6px; font-weight: 800; }
.price { font-size: 44px; letter-spacing: -0.03em; line-height: 1; }
.cur { font-size: 26px; }
.per { margin-left: 4px; color: var(--muted); font-size: 14px; font-weight: 500; }
.plan__note { margin: 6px 0 18px; min-height: 22px; color: var(--add); font-size: 13.5px; font-weight: 500; }
.plan ul { flex: 1; margin: 0 0 24px; padding: 0; list-style: none; display: grid; gap: 10px; }
.plan li { position: relative; padding-left: 26px; color: #cfcee0; font-size: 15px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--add); font-weight: 700; }

/* ---------- faq ---------- */
.faq { display: grid; gap: 10px; margin-top: 28px; }
.faq details { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.faq summary { cursor: pointer; padding: 18px 22px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq p { margin: 0; padding: 0 22px 20px; color: var(--muted); font-size: 16px; }

/* ---------- cta / footer ---------- */
.cta { padding: 90px 0; text-align: center; background: radial-gradient(700px 300px at 50% 0, rgba(139, 123, 255, .2), transparent 70%); }
.cta p { margin: 0 0 26px; color: var(--muted); font-size: 18px; }
.footer { padding: 36px 0 44px; border-top: 1px solid var(--border); }
.footer__inner { display: grid; gap: 16px; }
.brand--small { font-size: 16px; }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 26px; }
.footer__links a { color: var(--muted); font-size: 14.5px; text-decoration: none; }
.footer__links a:hover { color: var(--text); }
.footer__legal { margin: 0; color: #70708a; font-size: 13px; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .app--hero { transform: none; }
  
  .cards, .steps, .plans { grid-template-columns: 1fr 1fr; }
  .nav__links { display: none; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .section { padding: 68px 0; }
  .cards, .steps, .plans, .modes { grid-template-columns: 1fr; }
  .strip { flex-direction: column; gap: 6px; }
  .app__body { grid-template-columns: 1fr; }
  .app__side { display: none; }
  .sum__list { grid-template-columns: 1fr 1fr; gap: 16px 0; }
  .sum__list div:nth-child(3) { padding-left: 0; border-left: 0; }
  .plan__for { min-height: 0; }
  .hero { padding-top: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ghost button inside the light app mockups */
.app .btn--ghost { color: #2c2b3a; border-color: #cfd0dd; }
.app .btn--ghost:hover { background: #f0effa; }

@media (max-width: 680px) {
  .brand span { white-space: nowrap; }
  .nav__inner .btn--sm { padding: 9px 14px; font-size: 14px; white-space: nowrap; }
  .hide-sm { display: none; }
  .show-sm { display: inline; }
  .app__title { margin-right: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

.compare .val { color: var(--text); }
.compare .val::before { content: none; }

/* ---------- deepseek perks (no boxes: plain text with an accent mark) ---------- */
.perks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px 56px; margin-top: 8px; }
.perk::before { content: ""; display: block; width: 36px; height: 3px; margin-bottom: 18px; border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--add)); }
.perk h3 { font-size: 20px; }
.perk p { margin: 0; color: var(--muted); font-size: 16px; }
@media (max-width: 980px) { .perks { grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px) { .perks { grid-template-columns: 1fr; gap: 30px; } }

/* deepseek advantages as a plain list: title on the left, text on the right */
.perks--rows { display: block; margin-top: 36px; border-top: 1px solid var(--border); }
.perks--rows .perk { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); gap: 10px 56px; align-items: baseline; padding: 30px 0; border-bottom: 1px solid var(--border); }
.perks--rows .perk::before { content: none; }
.perks--rows .perk h3 { margin: 0; font-size: clamp(22px, 2.6vw, 30px); letter-spacing: -0.02em; font-weight: 700; }
.perks--rows .perk p { font-size: 17px; max-width: 34em; }
@media (max-width: 680px) { .perks--rows .perk { grid-template-columns: 1fr; padding: 24px 0; } }

/* deepseek advantages: big accent words, 2x2, no boxes or rules */
#deepseek { background: radial-gradient(700px 380px at 85% 10%, rgba(139, 123, 255, .16), transparent 65%), radial-gradient(560px 320px at 5% 95%, rgba(79, 214, 160, .08), transparent 65%), var(--bg-alt); }
.bigperks { display: grid; grid-template-columns: 1fr 1fr; gap: 64px 80px; margin-top: 44px; }
.bp__big { display: block; font-size: clamp(46px, 7vw, 88px); line-height: 1; font-weight: 800; letter-spacing: -0.04em; background: linear-gradient(100deg, #c4baff 0%, #8b7bff 45%, #4fd6a0 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bp__cap { display: block; margin: 14px 0 10px; color: var(--text); font-size: 15px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.bp p { margin: 0; color: var(--muted); font-size: 17px; max-width: 26em; }
@media (max-width: 760px) { .bigperks { grid-template-columns: 1fr; gap: 44px; } }

/* deepseek advantages: plain checklist */
.checks { display: grid; gap: 18px; margin: 32px 0 0; padding: 0; list-style: none; }
.checks li { position: relative; padding-left: 38px; color: var(--muted); font-size: clamp(18px, 2.2vw, 22px); line-height: 1.45; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 1px; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: rgba(79, 214, 160, .16); color: var(--add); font-size: 15px; font-weight: 700; }
.checks b { color: var(--text); font-weight: 600; }

/* deepseek advantages: two columns, accent line, no boxes (same look as the section before) */
.perks--two { grid-template-columns: 1fr 1fr; gap: 48px 72px; margin-top: 36px; }
.perks--two .perk p { font-size: 17px; max-width: 30em; }
@media (max-width: 680px) { .perks--two { grid-template-columns: 1fr; gap: 34px; } }

/* ---------- download ---------- */
.get { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 36px; }
.os { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 22px; min-width: 0; padding: 34px 32px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface); text-decoration: none; overflow: hidden; transition: transform .2s, border-color .2s, box-shadow .2s; }
.os::before { content: ""; position: absolute; inset: 0; opacity: .0; background: radial-gradient(260px 180px at 100% 0, var(--glow), transparent 70%); transition: opacity .25s; }
.os:hover, .os.is-current { transform: translateY(-3px); border-color: var(--glow-solid); box-shadow: 0 18px 50px var(--glow); }
.os:hover::before, .os.is-current::before { opacity: 1; }
.os--mac { --glow: rgba(190, 196, 220, .22); --glow-solid: #b9bdd3; }
.os--win { --glow: rgba(64, 158, 255, .28); --glow-solid: #4aa3ff; }
.os--linux { --glow: rgba(245, 166, 35, .26); --glow-solid: #f5a623; }
.os__logo { position: relative; display: grid; place-items: center; width: 92px; height: 92px; border-radius: 24px; background: var(--surface-2); border: 1px solid var(--border); }
.os__logo svg { width: 54px; height: 54px; fill: #fff; }
.os--win .os__logo svg { fill: #4aa3ff; }
.os--mac .os__logo svg { fill: #e9eaf5; }
.os__name { position: relative; font-size: 30px; font-weight: 800; letter-spacing: -0.02em; color: var(--text); }
.os__go { position: relative; display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px; background: var(--accent); color: #12101f; font-size: 15px; font-weight: 700; }
.os__go i { font-style: normal; }
.os:hover .os__go { background: #a094ff; }
@media (max-width: 760px) { .get { grid-template-columns: minmax(0, 1fr); } }

/* ---------- app mockups: same soft "liquid glass" look as the real app ---------- */
.app {
  --amb:
    radial-gradient(520px 380px at 4% 2%, rgba(139, 110, 255, .62), transparent 66%),
    radial-gradient(480px 360px at 100% 6%, rgba(60, 205, 235, .5), transparent 66%),
    radial-gradient(560px 440px at 62% 104%, rgba(255, 120, 190, .5), transparent 66%),
    #ece9fb;
  background: var(--amb);
  border: 1px solid rgba(255, 255, 255, .45);
  border-radius: 24px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, .55), 0 0 0 1px rgba(255, 255, 255, .05), inset 0 1px 0 rgba(255, 255, 255, .6);
}
.app__bar { background: rgba(255, 255, 255, .28); border-bottom: 1px solid rgba(255, 255, 255, .45); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
.app__title { color: #4b4a63; }
.app__side { background: transparent; border-right: 0; padding: 12px 6px 12px 12px; }
.side__row, .side__item { border-radius: 12px; color: #34334a; }
.side__row--active, .side__item--active { background: rgba(255, 255, 255, .6); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .9), 0 2px 10px rgba(80, 60, 160, .08); }
.side__label { color: #5f5e78; }
.app__main {
  margin: 8px;
  padding: 16px 18px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, .5);
  border: 1px solid rgba(255, 255, 255, .75);
  box-shadow: 0 10px 40px rgba(60, 50, 140, .14), inset 0 1px 0 rgba(255, 255, 255, .85);
  -webkit-backdrop-filter: blur(22px) saturate(1.6);
  backdrop-filter: blur(22px) saturate(1.6);
}
.app__body--solo .app__main { margin: 14px; }
.stats { border-radius: 14px; background: rgba(255, 255, 255, .7); border: 1px solid rgba(255, 255, 255, .85); box-shadow: inset 0 1px 0 #fff; }
.msg { border-radius: 16px; }
.msg--user { background: rgba(139, 123, 255, .16); border: 1px solid rgba(139, 123, 255, .22); }
.msg--done { background: rgba(255, 255, 255, .72); border: 1px solid rgba(255, 255, 255, .9); border-radius: 16px; box-shadow: inset 0 1px 0 #fff; }
.row { border-radius: 12px; background: rgba(255, 255, 255, .66); border: 1px solid rgba(255, 255, 255, .85); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .9); }
.msg code, .row code { background: rgba(139, 123, 255, .13); }
.composer { border-radius: 18px; border: 1px solid rgba(255, 255, 255, .9); background: rgba(255, 255, 255, .78); box-shadow: 0 8px 26px rgba(60, 50, 140, .13), inset 0 1px 0 #fff; }
.diff { border-radius: 16px; border: 1px solid rgba(255, 255, 255, .85); background: rgba(255, 255, 255, .72); }
.diff__head { background: rgba(255, 255, 255, .55); border-bottom: 1px solid rgba(255, 255, 255, .8); }
.dl--del { background: rgba(255, 100, 120, .14); }
.dl--add { background: rgba(60, 200, 150, .17); }
.sum { background: none; }
.sum__bar { background: rgba(255, 255, 255, .7); }
.sum__list, .sum__list div { border-color: rgba(120, 110, 200, .18); }
.think, .work { color: #5f5e78; }
.app .btn { border-radius: 999px; }
.app .btn--primary { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .4), 0 4px 14px rgba(117, 102, 240, .35); }
.app .btn--ghost { background: rgba(255, 255, 255, .6); border-color: rgba(255, 255, 255, .9); }

.nav__cta { display: flex; align-items: center; gap: 14px; }
.nav__login { font-weight: 600; font-size: 15px; color: inherit; text-decoration: none; padding: 8px 6px; }
.nav__login:hover { opacity: .7; }

.os.is-soon { opacity: .55; cursor: default; pointer-events: none; }