:root {
  --bg: #fbfbfd;
  --bg-2: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --card: #ffffff;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 40px rgba(0,0,0,.06);
  --nook-1: #7b5cff;
  --nook-2: #ff6fa3;
  --sweep-1: #00d4a6;
  --sweep-2: #0a84ff;
  --code-bg: #f2f2f5;
  --radius: 20px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0b0f;
    --bg-2: #121217;
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --line: rgba(255, 255, 255, 0.1);
    --card: #16161c;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 40px rgba(0,0,0,.35);
    --code-bg: #1d1d24;
  }
}
:root[data-theme="dark"] {
  --bg: #0b0b0f; --bg-2: #121217; --text: #f5f5f7; --muted: #a1a1a6; --line: rgba(255,255,255,.1);
  --card: #16161c; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 40px rgba(0,0,0,.35); --code-bg: #1d1d24;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
code, pre { font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.86em; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; letter-spacing: -0.01em; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: conic-gradient(from 200deg, var(--nook-1), var(--nook-2), var(--sweep-1), var(--sweep-2), var(--nook-1));
}
.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: 15px; }
.nav-links a { text-decoration: none; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
@media (max-width: 640px) { .nav-links .hide-sm { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: 16px; text-decoration: none; border: 0; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, opacity .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-dark { background: var(--text); color: var(--bg); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-nook { color: #fff; background: linear-gradient(135deg, var(--nook-1), var(--nook-2)); box-shadow: 0 8px 24px color-mix(in srgb, var(--nook-1) 35%, transparent); }
.btn-sweep { color: #fff; background: linear-gradient(135deg, var(--sweep-1), var(--sweep-2)); box-shadow: 0 8px 24px color-mix(in srgb, var(--sweep-2) 35%, transparent); }
.btn svg { width: 18px; height: 18px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Hero */
.hero { position: relative; padding: 96px 0 72px; text-align: center; overflow-x: clip; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto; height: 620px; z-index: -1;
  background:
    radial-gradient(40% 50% at 25% 40%, color-mix(in srgb, var(--nook-1) 22%, transparent), transparent 70%),
    radial-gradient(35% 45% at 75% 35%, color-mix(in srgb, var(--sweep-1) 20%, transparent), transparent 70%),
    radial-gradient(30% 40% at 55% 70%, color-mix(in srgb, var(--nook-2) 14%, transparent), transparent 70%);
  filter: blur(10px);
}
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card); font-size: 14px; color: var(--muted);
}
.pill b { color: var(--text); font-weight: 600; }
h1 {
  font-size: clamp(40px, 7vw, 76px); line-height: 1.04; letter-spacing: -0.035em; margin: 22px auto 18px; max-width: 900px;
}
.grad-nook { background: linear-gradient(100deg, var(--nook-1), var(--nook-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-sweep { background: linear-gradient(100deg, var(--sweep-1), var(--sweep-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-all { background: linear-gradient(100deg, var(--nook-1), var(--nook-2) 45%, var(--sweep-1) 70%, var(--sweep-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 680px; margin: 0 auto 32px; }
.hero .btn-row { justify-content: center; }
.fine { font-size: 14px; color: var(--muted); margin-top: 16px; }

/* Sections */
section { padding: 72px 0; }
.eyebrow { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
h2 { font-size: clamp(30px, 4.4vw, 48px); line-height: 1.1; letter-spacing: -0.03em; margin: 10px 0 16px; }
h3 { font-size: 21px; letter-spacing: -0.015em; margin: 0 0 6px; }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head p { color: var(--muted); font-size: 19px; margin: 0; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* App cards on the home page */
.apps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (max-width: 860px) { .apps { grid-template-columns: 1fr; } }
.app-card {
  position: relative; overflow: hidden; border-radius: 28px; padding: 36px;
  background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 18px;
}
.app-card::after {
  content: ""; position: absolute; width: 380px; height: 380px; right: -140px; top: -160px; border-radius: 50%;
  filter: blur(60px); opacity: .28; z-index: 0;
}
.app-card.nook::after { background: linear-gradient(135deg, var(--nook-1), var(--nook-2)); }
.app-card.sweep::after { background: linear-gradient(135deg, var(--sweep-1), var(--sweep-2)); }
.app-card > * { position: relative; z-index: 1; }
.app-icon { width: 84px; height: 84px; filter: drop-shadow(0 10px 20px rgba(0,0,0,.18)); }
.app-card p { color: var(--muted); margin: 0; }
.app-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.app-card li { display: flex; gap: 10px; align-items: flex-start; font-size: 16px; }
.app-card li::before { content: "✓"; font-weight: 700; color: var(--sweep-1); }
.app-card.nook li::before { color: var(--nook-1); }
.app-card .btn-row { margin-top: auto; }

/* Feature grid */
.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; } }
.feature {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow);
}
.feature .ico {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px;
  font-size: 22px; color: #fff;
}
.feature p { color: var(--muted); margin: 0; font-size: 15.5px; }
.kbd {
  display: inline-block; min-width: 22px; padding: 1px 7px; margin: 0 1px; border-radius: 6px; text-align: center;
  background: var(--code-bg); border: 1px solid var(--line); border-bottom-width: 2px; font-size: 13px; font-weight: 600;
  font-family: -apple-system, system-ui, sans-serif;
}

/* Fake app window */
.window {
  max-width: 1000px; margin: 56px auto 0; border-radius: 14px; overflow: hidden;
  background: var(--bg-2); border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(0,0,0,.18), 0 2px 8px rgba(0,0,0,.06);
  text-align: left; font-size: 13px;
}
.titlebar { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg-2) 92%, var(--text) 3%); }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.r { background: #ff5f57; } .dot.y { background: #febc2e; } .dot.g { background: #28c840; }
.titlebar .search {
  margin-left: auto; padding: 5px 12px; border-radius: 8px; background: var(--code-bg); color: var(--muted); min-width: 260px;
}
@media (max-width: 700px) { .titlebar .search { min-width: 0; flex: 1; } }
.win-body { display: grid; grid-template-columns: 190px 1fr; min-height: 360px; }
@media (max-width: 700px) { .win-body { grid-template-columns: 1fr; } .sidebar { display: none; } }
.sidebar { padding: 14px 10px; border-right: 1px solid var(--line); background: color-mix(in srgb, var(--bg-2) 94%, var(--text) 2%); }
.sidebar .sec { font-size: 11px; font-weight: 600; color: var(--muted); margin: 12px 8px 6px; }
.side-item { display: flex; align-items: center; gap: 8px; padding: 5px 8px; border-radius: 7px; }
.side-item.active { background: color-mix(in srgb, var(--text) 9%, transparent); }
.side-ico { width: 18px; height: 18px; border-radius: 5px; flex: none; }
.side-item .count { margin-left: auto; color: var(--muted); font-size: 11px; }
.content { padding: 20px; overflow: hidden; }
.content h4 { font-size: 22px; margin: 0 0 2px; letter-spacing: -0.02em; }
.content .sub { color: var(--muted); margin-bottom: 16px; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (max-width: 500px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
.tile { border-radius: 14px; padding: 14px; color: #fff; min-height: 86px; display: flex; flex-direction: column; justify-content: flex-end; font-weight: 600; }
.tile small { font-weight: 500; opacity: .85; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.chip { padding: 4px 10px; border-radius: 999px; background: color-mix(in srgb, var(--nook-1) 14%, transparent); color: var(--nook-1); font-weight: 600; font-size: 12px; }
.rows { display: grid; gap: 8px; }
.row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.row .box { width: 15px; height: 15px; border-radius: 4px; border: 1.5px solid var(--muted); flex: none; }
.row .box.on { background: var(--sweep-1); border-color: var(--sweep-1); }
.row .tag { font-family: ui-monospace, Menlo, monospace; font-size: 11px; padding: 2px 6px; border-radius: 5px; background: color-mix(in srgb, var(--sweep-1) 15%, transparent); }
.row b { margin-left: auto; }
.badge-safe { font-size: 10.5px; font-weight: 700; color: #1a9e5c; background: rgba(40,200,120,.14); padding: 2px 7px; border-radius: 999px; }
.badge-review { font-size: 10.5px; font-weight: 700; color: #d47a00; background: rgba(255,160,0,.15); padding: 2px 7px; border-radius: 999px; }

/* Search demo */
.demo {
  max-width: 760px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 22px;
  box-shadow: var(--shadow);
}
.demo input {
  width: 100%; font: inherit; font-size: 20px; padding: 14px 18px; border-radius: 14px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text); outline: none;
}
.demo input:focus { border-color: var(--nook-1); box-shadow: 0 0 0 4px color-mix(in srgb, var(--nook-1) 18%, transparent); }
.demo .chips { margin: 16px 0 6px; min-height: 28px; }
.examples { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.examples button {
  font: inherit; font-size: 14px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line);
  background: transparent; color: var(--muted); cursor: pointer;
}
.examples button:hover { color: var(--text); border-color: var(--text); }

/* Install */
.steps { counter-reset: step; display: grid; gap: 16px; }
.step {
  display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 22px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line);
}
.step::before {
  counter-increment: step; content: counter(step);
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 700;
  background: var(--text); color: var(--bg);
}
.step p { margin: 4px 0 0; color: var(--muted); }
.code {
  position: relative; margin: 12px 0 0; padding: 14px 16px; padding-right: 84px; border-radius: 12px; background: var(--code-bg);
  border: 1px solid var(--line); overflow-x: auto; white-space: pre; color: var(--text);
}
.copy {
  position: absolute; right: 8px; top: 8px; font: inherit; font-size: 12px; font-weight: 600; padding: 5px 10px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer;
}
.callout {
  padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--sweep-2) 8%, var(--card)); color: var(--text); font-size: 15.5px;
}

/* FAQ */
details {
  border-bottom: 1px solid var(--line); padding: 18px 0;
}
summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 24px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Compare table */
.table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
.table th, .table td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.table td:first-child { font-weight: 600; }
.table td.muted { color: var(--muted); }
.table-wrap { overflow-x: auto; }

/* CTA + footer */
.cta {
  text-align: center; border-radius: 32px; padding: 64px 24px; margin: 24px 0 72px;
  background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow);
}
.cta .btn-row { justify-content: center; }
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; }
footer a { text-decoration: none; }
footer a:hover { color: var(--text); }
footer .spacer { flex: 1; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }