:root {
  --mist: #EEF0FB;
  --surface: #FFFFFF;
  --surface-2: #F6F7FD;
  --ink: #15183A;
  --ink-soft: #3A3F68;
  --muted: #5F6590;
  --line: #DCE0F3;
  --cobalt: #3B5BFF;
  --violet: #8A7BFF;
  --cobalt-ink: #2340E0;
  --cobalt-wash: rgba(59, 91, 255, 0.10);
  --cpu: #3B5BFF;
  --mem: #14B8A6;
  --disk: #F97362;
  --warn: #FF3B30;
  --clean-a: #22C1EE;
  --menu-bg: rgba(246, 246, 250, 0.94);
  --menu-ink: #1D1F2E;
  --menu-muted: #6C7085;
  --menu-line: rgba(20, 24, 58, 0.10);
  --shadow: 0 40px 80px -40px rgba(21, 24, 58, 0.45), 0 12px 24px -16px rgba(21, 24, 58, 0.25);

  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body: "Instrument Sans", system-ui, sans-serif;
  --maxw: 1140px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --mist: #0F1130;
    --surface: #171A40;
    --surface-2: #13163A;
    --ink: #ECEDFB;
    --ink-soft: #C4C7E6;
    --muted: #9CA1CA;
    --line: #2A2E5E;
    --cobalt-ink: #93A5FF;
    --cobalt-wash: rgba(110, 133, 255, 0.16);
    --menu-bg: rgba(40, 41, 52, 0.94);
    --menu-ink: #EDEDF3;
    --menu-muted: #A1A3B5;
    --menu-line: rgba(255, 255, 255, 0.10);
    --shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.8), 0 12px 24px -16px rgba(0, 0, 0, 0.6);
  }
}
:root[data-theme="dark"] {
  --mist: #0F1130;
  --surface: #171A40;
  --surface-2: #13163A;
  --ink: #ECEDFB;
  --ink-soft: #C4C7E6;
  --muted: #9CA1CA;
  --line: #2A2E5E;
  --cobalt-ink: #93A5FF;
  --cobalt-wash: rgba(110, 133, 255, 0.16);
  --menu-bg: rgba(40, 41, 52, 0.94);
  --menu-ink: #EDEDF3;
  --menu-muted: #A1A3B5;
  --menu-line: rgba(255, 255, 255, 0.10);
  --shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.8), 0 12px 24px -16px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
a { color: inherit; }
:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 3px; border-radius: 8px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } }

h1, h2, h3 { font-family: var(--display); color: var(--ink); margin: 0; font-weight: 700; }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.25rem); line-height: 1.04; letter-spacing: -0.022em; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); line-height: 1.1; letter-spacing: -0.02em; }
h3 { font-size: 1.35rem; letter-spacing: -0.015em; }
p { margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.35rem;
  border-radius: 999px; border: 0;
  background: linear-gradient(135deg, var(--violet), var(--cobalt));
  color: #fff; font: 600 1rem/1 var(--body);
  text-decoration: none; cursor: pointer;
  box-shadow: 0 10px 24px -10px rgba(59, 91, 255, 0.7);
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 14px 28px -10px rgba(59, 91, 255, 0.8); }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-small { padding: .55rem 1rem; font-size: .9rem; }
.btn-big { padding: 1.05rem 1.7rem; font-size: 1.08rem; }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 20; backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); background: color-mix(in srgb, var(--mist) 80%, transparent); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .6rem; font: 700 1.08rem/1 var(--display); letter-spacing: -0.02em; text-decoration: none; }
.badge { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: linear-gradient(135deg, var(--violet), var(--cobalt)); color: #fff; flex: none; }
.badge svg { width: 20px; height: 20px; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; font-size: .95rem; }
.nav-links > a:not(.btn) { text-decoration: none; color: var(--ink-soft); }
.nav-links > a:not(.btn):hover { color: var(--ink); }
.theme-toggle { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft); display: grid; place-items: center; cursor: pointer; flex: none; }
.theme-toggle svg { width: 18px; height: 18px; }
@media (max-width: 860px) { .hide-sm { display: none; } .nav-links { gap: .8rem; } }
@media (max-width: 400px) { .brand { font-size: .98rem; } }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero-copy h1 { margin: 22px 0; max-width: 13ch; }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 46ch; }
.hero-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.25rem; margin-top: 32px; }
.hero-meta { color: var(--muted); font-size: .95rem; }
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: 32px 0 72px; }
}

/* The buddy */
.buddy { width: 132px; }
.buddy svg { width: 100%; height: auto; overflow: visible; display: block; }
.b-stalk { stroke: var(--violet); stroke-width: 9; stroke-linecap: round; }
.b-bulb { fill: var(--violet); animation: bulb 3.2s ease-in-out infinite; }
.b-face { fill: rgba(255, 255, 255, 0.14); }
.b-eye { fill: #fff; transform-box: fill-box; transform-origin: center; }
.b-eye.blink { animation: blink .18s ease-in-out; }
.b-smile { fill: none; stroke: #fff; stroke-width: 9; stroke-linecap: round; }
#eyes { transition: transform .12s ease-out; }
@keyframes blink { 50% { transform: scaleY(0.1); } }
@keyframes bulb { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }

/* ---------- Mac menu replica ---------- */
.stage { display: flex; flex-direction: column; align-items: flex-end; min-width: 0; }
.menubar {
  width: 100%; height: 34px; border-radius: 12px 12px 0 0;
  display: flex; align-items: center; justify-content: flex-end; gap: 14px; padding: 0 16px;
  background: linear-gradient(180deg, #2A2C4A, #23253F); color: #EDEEF8;
  font: 500 .86rem/1 -apple-system, BlinkMacSystemFont, var(--body);
  white-space: nowrap; overflow: hidden;
}
.mb-ico { width: 22px; height: 22px; display: grid; place-items: center; opacity: .9; flex: none; }
.mb-ico svg { width: 18px; height: 18px; }
.mb-active { background: rgba(255, 255, 255, .2); border-radius: 6px; width: 30px; opacity: 1; }
.menu {
  width: 340px; max-width: 100%;
  margin: 6px 64px 0 0;
  background: var(--menu-bg);
  backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--menu-line);
  border-radius: 14px;
  padding: 8px 0;
  box-shadow: var(--shadow);
  color: var(--menu-ink);
  font: 400 14px/1.3 -apple-system, BlinkMacSystemFont, var(--body);
}
@media (max-width: 520px) { .menu { margin-right: 0; } }
.m-head { display: flex; align-items: center; gap: 11px; padding: 6px 16px 8px; }
.m-head b { display: block; font-weight: 600; font-size: 14.5px; }
.m-head small { color: var(--menu-muted); font-size: 12px; }
.m-badge { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: linear-gradient(135deg, var(--cobalt), var(--violet)); color: #fff; flex: none; }
.m-badge svg { width: 22px; height: 22px; }
.chip { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; color: var(--cobalt); background: rgba(59, 91, 255, .14); transition: color .25s, background .25s; white-space: nowrap; }
.chip svg { width: 10px; height: 10px; }
.chip.off { color: var(--menu-muted); background: var(--menu-line); }

.m-stats { display: grid; grid-template-columns: repeat(3, 1fr); margin: 4px 11px; padding: 14px 0 12px; border-radius: 13px; background: var(--menu-line); }
.ring { display: flex; flex-direction: column; align-items: center; text-align: center; min-width: 0; }
.ring-dial { position: relative; width: 64px; height: 64px; }
.ring-dial svg { width: 100%; height: 100%; transform: rotate(-90deg); display: block; }
.ring .track { fill: none; stroke: var(--menu-line); stroke-width: 6.5; }
.ring .arc {
  fill: none; stroke-width: 6.5; stroke-linecap: round;
  stroke-dasharray: calc(var(--v) * 100) 100;
  transition: stroke-dasharray .6s ease, stroke .3s;
}
.ring[data-ring="cpu"] .arc { stroke: var(--cpu); }
.ring[data-ring="mem"] .arc { stroke: var(--mem); }
.ring[data-ring="disk"] .arc { stroke: var(--disk); }
.ring.hot .arc { stroke: var(--warn); }
.pct { position: absolute; inset: 0; display: flex; align-items: baseline; justify-content: center; padding-top: 22px; font-size: 10px; font-weight: 600; color: var(--menu-muted); }
.pct b { font-size: 17px; line-height: 1; color: var(--menu-ink); font-variant-numeric: tabular-nums; }
.r-name { margin-top: 7px; font-size: 12.5px; font-weight: 500; }
.r-detail { font-size: 11px; color: var(--menu-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

.m-clean { display: flex; align-items: center; gap: 11px; margin: 8px 11px 4px; padding: 9px 11px; border-radius: 11px; background: var(--menu-line); }
.m-clean b { display: block; font-size: 13.5px; font-weight: 600; }
.m-clean small { color: var(--menu-muted); font-size: 11.5px; }
.m-clean-ico { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: linear-gradient(90deg, var(--clean-a), var(--cobalt)); flex: none; }
.m-clean-ico svg { width: 16px; height: 16px; }
.chev { margin-left: auto; color: var(--menu-muted); font-size: 18px; }
.m-sep { height: 1px; background: var(--menu-line); margin: 7px 11px; }
.m-cap { padding: 2px 16px 3px; font-size: 10.5px; font-weight: 600; letter-spacing: .06em; color: var(--menu-muted); }
.mi { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 4px 16px; margin: 0 5px; border-radius: 6px; }
.mi .chk { font-style: normal; display: inline-block; width: 18px; margin-left: -4px; }
.mi kbd { font: inherit; color: var(--menu-muted); }

/* ---------- Feature sections ---------- */
.feature { padding: 96px 0; border-top: 1px solid var(--line); }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature-grid > * { min-width: 0; }
.feature-flip .feature-copy { order: 2; }
.feature-copy h2 { max-width: 17ch; margin-bottom: 20px; }
.feature-copy > p { color: var(--ink-soft); max-width: 50ch; }
.feature-copy .aside { margin-top: 18px; color: var(--muted); font-size: .98rem; padding-left: 14px; border-left: 3px solid var(--cobalt); }
@media (max-width: 920px) {
  .feature { padding: 72px 0; }
  .feature-grid { grid-template-columns: 1fr; gap: 40px; }
  .feature-flip .feature-copy { order: 0; }
}

.ring-key { margin: 26px 0 0; display: grid; gap: 12px; }
.ring-key div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; }
.ring-key dt { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.ring-key dd { margin: 0; color: var(--ink-soft); }
.sw { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.sw-cpu { background: var(--cpu); } .sw-mem { background: var(--mem); } .sw-disk { background: var(--disk); }
@media (max-width: 420px) { .ring-key div { grid-template-columns: 1fr; gap: 2px; } }

/* Big ring demo */
.glance-demo { background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 40px 24px 30px; }
.big-rings { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; --menu-ink: var(--ink); --menu-muted: var(--muted); --menu-line: var(--line); }
.ring-lg .ring-dial { width: min(130px, 24vw); height: min(130px, 24vw); }
.ring-lg .track, .ring-lg .arc { stroke-width: 6; }
.ring-lg .pct { align-items: center; padding-top: 0; font-size: 14px; }
.ring-lg .pct b { font-size: clamp(22px, 4vw, 32px); font-family: var(--display); }
.ring-lg .r-name { font-size: 1rem; margin-top: 12px; }
.load-control { margin-top: 34px; display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; align-items: center; }
.load-control label { font-weight: 600; }
.load-control input { width: 100%; accent-color: var(--cobalt); }
.load-hint { grid-column: 2; color: var(--muted); font-size: .92rem; }
@media (max-width: 520px) { .load-control { grid-template-columns: 1fr; } .load-hint { grid-column: 1; } }

/* Clean keyboard demo */
.clean-screen {
  min-height: 340px; border-radius: 28px; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  display: grid; place-items: center; text-align: center;
  transition: background .35s;
}
.clean-idle, .clean-locked { grid-area: 1 / 1; padding: 32px 20px; display: flex; flex-direction: column; align-items: center; gap: 20px; transition: opacity .3s, transform .3s; }
.clean-idle p { color: var(--ink-soft); max-width: 28ch; }
.btn-clean, .btn-unlock { background: linear-gradient(90deg, var(--clean-a), var(--cobalt)); }
.clean-locked { opacity: 0; visibility: hidden; transform: scale(.97); color: #fff; }
.clean-demo[data-locked="true"] .clean-screen { background: radial-gradient(120% 90% at 50% 0%, #2B3080, #12143A); border-color: transparent; }
.clean-demo[data-locked="true"] .clean-idle { opacity: 0; visibility: hidden; }
.clean-demo[data-locked="true"] .clean-locked { opacity: 1; visibility: visible; transform: none; }
.clean-locked h3 { color: #fff; font-size: 1.55rem; }
.lock-ico { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; background: rgba(34, 193, 238, .16); color: var(--clean-a); }
.lock-ico svg { width: 36px; height: 36px; }
.blocked { color: rgba(255, 255, 255, .72); font-variant-numeric: tabular-nums; margin-top: -10px; }
.keytrail { height: 34px; display: flex; gap: 6px; justify-content: center; }
.keytrail kbd {
  min-width: 34px; height: 34px; padding: 0 8px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18);
  font: 600 .85rem/1 var(--body); color: #fff; position: relative;
  animation: keydrop .7s ease forwards;
}
.keytrail kbd::after { content: ""; position: absolute; left: 6px; right: 6px; top: 50%; height: 2px; background: #FF6B6B; transform: rotate(-18deg); }
@keyframes keydrop { 0% { transform: translateY(-6px); opacity: 0; } 20% { transform: none; opacity: 1; } 100% { opacity: .6; } }
.demo-note { margin-top: 14px; color: var(--muted); font-size: .92rem; text-align: center; }

/* Scroll demo */
.scroll-demo { background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 26px; }
.switchbar { display: flex; align-items: center; gap: 14px; font-weight: 600; margin-bottom: 20px; }
.toggle { position: relative; width: 56px; height: 32px; border-radius: 999px; border: 0; background: var(--line); cursor: pointer; transition: background .25s; flex: none; }
.toggle .knob { position: absolute; top: 3px; left: 3px; width: 26px; height: 26px; border-radius: 50%; background: #fff; box-shadow: 0 2px 6px rgba(0, 0, 0, .25); transition: transform .25s; }
.toggle[aria-pressed="true"] { background: var(--cobalt); }
.toggle[aria-pressed="true"] .knob { transform: translateX(24px); }
.scrollview { position: relative; height: 260px; border-radius: 18px; overflow: hidden; background: var(--surface-2); border: 1px solid var(--line); }
.rowset { display: grid; gap: 12px; padding: 18px; animation: scrollUp 6s linear infinite; }
.scrollview[data-mode="mouse"] .rowset { animation-name: scrollDown; }
.bar { height: 16px; border-radius: 6px; background: var(--line); }
.bar.a { width: 92%; } .bar.b { width: 64%; } .bar.c { width: 78%; } .bar.d { width: 48%; background: var(--cobalt-wash); }
@keyframes scrollUp { from { transform: translateY(0); } to { transform: translateY(-50%); } }
@keyframes scrollDown { from { transform: translateY(-50%); } to { transform: translateY(0); } }
.dir-pill { position: absolute; right: 14px; bottom: 14px; padding: 6px 12px; border-radius: 999px; background: var(--ink); color: var(--mist); font-size: .85rem; font-weight: 600; }

/* Small things */
.smalls { padding: 96px 0; border-top: 1px solid var(--line); }
.smalls h2 { max-width: 20ch; }
.small-list { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 40px; }
.small-list li { color: var(--ink-soft); padding-top: 16px; border-top: 2px solid var(--line); }
.small-list b { display: block; color: var(--ink); font-family: var(--display); font-size: 1.15rem; margin-bottom: 4px; }
@media (max-width: 820px) { .small-list { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .small-list { grid-template-columns: 1fr; } }

/* Privacy */
.privacy { padding: 96px 0; background: var(--ink); color: var(--mist); }
.privacy h2 { color: var(--mist); max-width: 18ch; }
.privacy-cols { margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.privacy-cols p { opacity: .84; max-width: 52ch; }
@media (max-width: 820px) { .privacy-cols { grid-template-columns: 1fr; gap: 20px; } }

/* FAQ */
.faq { padding: 96px 0; }
.faq-inner > * { max-width: 780px; }
.faq h2 { margin-bottom: 24px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative; font: 600 1.12rem/1.35 var(--display); letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 1.5rem; font-weight: 400; color: var(--cobalt-ink); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 22px; color: var(--ink-soft); max-width: 62ch; }

/* Download */
.download { padding: 40px 0 110px; }
.download-inner { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.dl-badge { width: 92px; height: 92px; border-radius: 26px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--violet), var(--cobalt)); box-shadow: 0 24px 40px -18px rgba(59, 91, 255, .7); }
.dl-badge svg { width: 60px; height: 60px; }
.download h2 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); }
.download p { color: var(--ink-soft); }
.download .btn-big { margin-top: 8px; }
.download .req { color: var(--muted); font-size: .92rem; }

.install { margin-top: 40px; width: 100%; max-width: 640px; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 26px 28px; }
.install h3 { margin-bottom: 12px; }
.install ol { margin: 0; padding-left: 1.3rem; display: grid; gap: 10px; color: var(--ink-soft); }
.install li::marker { color: var(--cobalt-ink); font-weight: 700; }
.install b { color: var(--ink); }
@media (max-width: 520px) { .install { padding: 22px 20px; } }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .92rem; }
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand-foot { color: var(--ink); font-size: 1rem; }
.brand-foot .badge { width: 24px; height: 24px; border-radius: 7px; }
.brand-foot .badge svg { width: 16px; height: 16px; }