@font-face {
  font-family: "Crooli Sans";
  src: url("assets/fonts/CrooliSans-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Crooli Sans";
  src: url("assets/fonts/CrooliSans-Italic-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

/* Crooli brand tokens: Ink and Paper carry everything; colour is light. */
:root {
  --ink: #0a0a0a;
  --graphite: #171717;
  --graphite-2: #1f1f1f;
  --paper: #ffffff;
  --fg: #ededed;
  --mist: #a1a1a1;
  --dim: #6f6f6f;
  --line: rgb(255 255 255 / .08);
  --line-strong: rgb(255 255 255 / .14);
  --signal: #3291ff;
  --lapis: #0a6cf0;
  --violet: #7928ca;
  --pink: #ff0080;
  --teal: #50e3c2;
  --amber: #f5a623;
  --sans: "Crooli Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 48px);
  --radius: 8px;
  --radius-lg: 12px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; background: var(--ink); }
body {
  margin: 0;
  background: var(--ink);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.skip {
  position: absolute; left: 16px; top: -48px; z-index: 100;
  background: var(--paper); color: var(--ink); padding: 8px 14px; border-radius: var(--radius);
}
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 20px; border-radius: var(--radius);
  font-weight: 500; font-size: 15px; letter-spacing: -0.005em;
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(.98); }
.btn-paper { background: var(--paper); color: var(--ink); }
.btn-paper:hover { background: #e6e6e6; }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--fg); }
.btn-ghost:hover { background: var(--graphite); }
.btn-small { height: 34px; padding: 0 14px; font-size: 14px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgb(10 10 10 / .72);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 32px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 24px; margin-left: auto; font-size: 14px; color: var(--mist); }
.nav-links a:hover { color: var(--fg); }

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--mist);
}
.eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--fg); }

/* ---------- Dot artwork ---------- */
.dots {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgb(255 255 255 / .22) 1px, transparent 1.4px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse 60% 55% at 50% 30%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 30%, #000 0%, transparent 70%);
  opacity: .55;
}

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(72px, 12vw, 136px) 0 clamp(56px, 8vw, 96px); overflow: hidden; }
.hero::after {
  content: ""; position: absolute; left: 50%; top: 52%; width: 1100px; height: 700px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgb(10 108 240 / .32), transparent);
  filter: blur(40px); pointer-events: none; z-index: 0;
}
.hero-copy { position: relative; z-index: 1; text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero h1 {
  margin-top: 0; max-width: 14ch;
  font-size: clamp(42px, 7.4vw, 88px); line-height: 1.02; font-weight: 600; letter-spacing: -0.045em;
  background: linear-gradient(180deg, #fff 30%, #b9b9b9);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { margin-top: 22px; max-width: 40rem; font-size: clamp(17px, 1.6vw, 20px); color: var(--mist); line-height: 1.5; }
.hero-meta { margin-top: 18px; font-size: 13px; color: var(--dim); letter-spacing: 0.01em; }
.hero-meta span { margin: 0 6px; opacity: .6; }
.cta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- Screenshots (real captures from the OS) ---------- */
.screen {
  position: relative; z-index: 1; margin: clamp(56px, 8vw, 88px) auto 0; max-width: 1040px;
  border-radius: 16px; padding: 10px;
  background: linear-gradient(180deg, #262626, #121212);
  box-shadow: 0 0 0 1px var(--line-strong), 0 40px 120px -20px rgb(10 108 240 / .35), 0 30px 60px -30px #000;
}
.shots { position: relative; aspect-ratio: 16 / 10; border-radius: 8px; overflow: hidden; background: #0a0a0a; }
.shot { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .45s var(--ease); }
.shot.on { opacity: 1; }
.shot-tabs { position: relative; z-index: 1; display: flex; justify-content: center; gap: 4px; margin: 22px auto 0; padding: 4px; width: fit-content; max-width: 100%; border-radius: 999px; background: var(--graphite); box-shadow: inset 0 0 0 1px var(--line); }
.shot-tabs button { appearance: none; border: 0; cursor: pointer; font: inherit; font-size: 14px; color: var(--mist); background: none; padding: 7px 16px; border-radius: 999px; transition: background .2s var(--ease), color .2s var(--ease); }
.shot-tabs button:hover { color: var(--fg); }
.shot-tabs button[aria-selected="true"] { background: var(--paper); color: var(--ink); font-weight: 500; }

/* ---------- Statement ---------- */
.statement { padding: clamp(64px, 10vw, 128px) var(--gutter); }
.statement p {
  max-width: 920px; font-size: clamp(24px, 3.4vw, 40px); line-height: 1.22; letter-spacing: -0.03em;
  font-weight: 500; color: var(--dim);
}
.statement span { color: var(--fg); }

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 8vw, 104px) var(--gutter); }
.h2 {
  margin-top: 16px; max-width: 18ch;
  font-size: clamp(32px, 4.6vw, 56px); line-height: 1.05; letter-spacing: -0.04em; font-weight: 600;
}

.grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.grid-3 { margin-top: 56px; }
.card { background: var(--ink); padding: 32px; transition: background .3s var(--ease); }
.card:hover { background: #0f0f0f; }
.card .icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: var(--graphite); box-shadow: inset 0 0 0 1px var(--line-strong);
}
.card .icon svg { width: 20px; height: 20px; fill: none; stroke: var(--fg); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin-top: 22px; font-size: 18px; font-weight: 600; letter-spacing: -0.015em; }
.card p { margin-top: 8px; color: var(--mist); font-size: 15px; }

/* ---------- Numbers ---------- */
.numbers {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding-top: 40px; padding-bottom: 40px; gap: 24px;
}
.numbers div { display: flex; flex-direction: column; gap: 6px; }
.numbers b { font-size: clamp(36px, 5vw, 60px); font-weight: 600; letter-spacing: -0.05em; line-height: 1; }
.numbers span { color: var(--mist); font-size: 14px; }

/* ---------- Steps ---------- */
.steps { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.steps li {
  position: relative; padding: 28px; border-radius: var(--radius-lg);
  background: var(--graphite); box-shadow: inset 0 0 0 1px var(--line);
}
.steps .n { font-family: var(--mono); font-size: 12px; color: var(--signal); letter-spacing: .08em; }
.steps h3 { margin-top: 40px; font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }
.steps p { margin-top: 8px; color: var(--mist); font-size: 15px; }
.steps a { color: var(--fg); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }

/* ---------- Open source ---------- */
.open { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.open-copy > p:not(.eyebrow) { margin-top: 20px; color: var(--mist); font-size: 17px; max-width: 34rem; }
.link { display: inline-block; margin-top: 24px; color: var(--signal); font-weight: 500; }
.link:hover { text-decoration: underline; text-underline-offset: 4px; }
.terminal {
  border-radius: var(--radius-lg); overflow: hidden; background: #0d0d0d;
  box-shadow: 0 0 0 1px var(--line-strong), 0 30px 80px -30px rgb(10 108 240 / .4);
  min-width: 0;
}
.term-bar { display: flex; align-items: center; gap: 12px; height: 36px; padding: 0 14px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--dim); }
.term-bar .lights i { width: 10px; height: 10px; }
.terminal pre { margin: 0; padding: 22px; overflow-x: auto; font-family: var(--mono); font-size: 13.5px; line-height: 1.8; color: var(--fg); }
.terminal .p { color: var(--dim); user-select: none; }
.terminal .m { color: var(--mist); }
.terminal .ok { color: var(--teal); }

/* ---------- Download ---------- */
.download { position: relative; overflow: hidden; padding: clamp(80px, 12vw, 144px) 0; border-top: 1px solid var(--line); }
.download .dots { mask-image: radial-gradient(ellipse 50% 60% at 50% 50%, #000, transparent 70%); -webkit-mask-image: radial-gradient(ellipse 50% 60% at 50% 50%, #000, transparent 70%); }
.download::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 800px; height: 500px; transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgb(10 108 240 / .25), transparent); filter: blur(30px);
}
.download-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; text-align: center; }
.download .h2 { margin-top: 28px; }
.dl-note { margin-top: 18px; max-width: 34rem; color: var(--mist); font-size: 14px; }
.dl-note a { color: var(--fg); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.dl-note b { color: var(--fg); font-weight: 500; }
.reqs {
  margin: 48px 0 0; display: grid; grid-template-columns: repeat(4, auto); gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: rgb(10 10 10 / .6);
}
.reqs div { padding: 16px 24px; text-align: left; border-left: 1px solid var(--line); }
.reqs div:first-child { border-left: 0; }
.reqs dt { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.reqs dd { margin: 4px 0 0; font-size: 14px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 64px 0 32px; }
.footer-inner { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.footer-brand { max-width: 320px; }
.footer-brand img { width: auto; }
.footer-brand p { margin-top: 16px; color: var(--mist); font-size: 14px; }
.footer-links { display: flex; gap: clamp(32px, 6vw, 72px); flex-wrap: wrap; }
.footer-links div { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer-links h4 { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); font-weight: 400; margin-bottom: 4px; }
.footer-links a { color: var(--mist); }
.footer-links a:hover { color: var(--fg); }
.footer-base { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--dim); }

/* ---------- Motion ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .numbers { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .steps { grid-template-columns: 1fr; }
  .steps h3 { margin-top: 20px; }
  .open { grid-template-columns: 1fr; }
  .reqs { grid-template-columns: 1fr 1fr; }
  .reqs div:nth-child(3) { border-left: 0; }
  .reqs div:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-inner { justify-content: space-between; }
  .grid { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .cta { flex-direction: column; width: 100%; max-width: 320px; }
  .screen { padding: 5px; border-radius: 10px; }
  .reqs { width: 100%; }
}