:root {
  --ink: #f1f5f2;
  --ink-soft: #b4c6c1;
  --ink-faint: #7d958f;
  --night: #07121a;
  --glass: rgba(10, 24, 28, 0.5);
  --glass-strong: rgba(10, 24, 28, 0.72);
  --line: rgba(241, 245, 242, 0.1);
  --line-strong: rgba(241, 245, 242, 0.2);
  --frost: #a8e6d6;
  --display: "Inter Tight", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 24px;
  --max: 1120px;
}

* { box-sizing: border-box; margin: 0; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--night);
  color: var(--ink);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* Background: fixed forest + darkening veil so text stays readable */
.forest {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(to bottom, rgba(7, 18, 26, 0.15) 0%, rgba(7, 18, 26, 0) 40%, rgba(4, 12, 10, 0.6) 100%),
    url("assets/forest.svg") center bottom / cover no-repeat,
    var(--night);
}

/* Gentle snowfall made from two layers of tiny dots */
.snow,
.snow::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(1.6px 1.6px at 20px 30px, rgba(255,255,255,.8), transparent),
    radial-gradient(1.2px 1.2px at 120px 80px, rgba(255,255,255,.6), transparent),
    radial-gradient(2px 2px at 60px 160px, rgba(255,255,255,.7), transparent),
    radial-gradient(1px 1px at 170px 210px, rgba(255,255,255,.5), transparent);
  background-size: 220px 240px;
  animation: fall 28s linear infinite;
  opacity: 0.55;
}
.snow::after {
  content: "";
  background-size: 340px 300px;
  animation: fall-far 40s linear infinite;
  opacity: 0.6;
}
@keyframes fall { to { background-position: -40px 240px; } }
@keyframes fall-far { to { background-position: -60px 300px; } }

/* Header: floating glass bar */
.top {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: calc(var(--max) - 48px);
  margin: 16px auto 0;
  padding: 10px 10px 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font: 600 18px var(--display);
  letter-spacing: -0.01em;
}
nav { display: flex; align-items: center; gap: 6px; }
nav a {
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 15px;
  transition: color .2s, background .2s;
}
nav a:hover { color: var(--ink); background: rgba(241, 245, 242, 0.06); }
nav .nav-cta { color: var(--night); background: var(--ink); font-weight: 500; }
nav .nav-cta:hover { color: var(--night); background: #fff; }

/* Hero */
main { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.hero {
  min-height: calc(100vh - 90px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0 140px;
}
.badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ink-soft);
  font-size: 14px;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--frost);
  box-shadow: 0 0 0 4px rgba(168, 230, 214, 0.15);
}
h1 {
  margin-top: 28px;
  font: 700 clamp(64px, 14vw, 168px)/0.9 var(--display);
  letter-spacing: -0.05em;
  background: linear-gradient(180deg, #ffffff 30%, #a9c9c0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 6px 40px rgba(0, 0, 0, 0.35));
}
.lede {
  margin-top: 28px;
  max-width: 30em;
  color: var(--ink-soft);
  font-size: clamp(18px, 2.2vw, 21px);
}
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 40px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: transform .2s, background .2s, box-shadow .2s;
}
.btn svg { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover svg { transform: translateX(3px); }
.btn-primary {
  color: var(--night);
  background: var(--ink);
  box-shadow: 0 8px 30px rgba(168, 230, 214, 0.15);
}
.btn-primary:hover { background: #fff; transform: translateY(-1px); box-shadow: 0 10px 40px rgba(168, 230, 214, 0.28); }

.store {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 15px;
  color: var(--ink-soft);
}
.store svg { width: 16px; height: 16px; fill: currentColor; }

/* Sections */
.section { padding: 64px 0; scroll-margin-top: 72px; }
.section-head { max-width: 720px; margin-bottom: 40px; }
.kicker {
  font: 500 13px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--frost);
  margin-bottom: 14px;
}
h2 {
  font: 600 clamp(32px, 4.6vw, 52px)/1.05 var(--display);
  letter-spacing: -0.035em;
}

/* Craft: bento grid of language cards */
.bento {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-flow: dense;
  gap: 16px;
}
.card {
  --c: var(--frost);
  position: relative;
  overflow: hidden;
  padding: 28px;
  min-height: 210px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass-strong);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: transform .3s, border-color .3s;
}
.card::before {
  /* soft accent glow in the corner, in the language's colour */
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--c);
  opacity: 0.12;
  filter: blur(50px);
  transition: opacity .3s;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.card:hover::before { opacity: 0.28; }
.card-wide { grid-column: span 2; }
.tag {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--c) 16%, transparent);
  color: var(--c);
  font: 500 12px var(--mono);
}
.card h3 {
  margin-top: auto;
  padding-top: 40px;
  font: 600 24px/1.2 var(--display);
  letter-spacing: -0.02em;
}
.card p { margin-top: 8px; color: var(--ink-soft); font-size: 15px; }

/* Contact */
.cta {
  position: relative;
  overflow: hidden;
  padding: 64px 48px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background:
    radial-gradient(600px 300px at 85% 0%, rgba(168, 230, 214, 0.14), transparent 70%),
    var(--glass-strong);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  text-align: center;
}
.cta p:not(.kicker) { margin: 16px auto 32px; max-width: 28em; color: var(--ink-soft); }

footer {
  display: flex;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 24px 40px;
  color: var(--ink-faint);
  font-size: 14px;
}

/* Scroll reveal (only when JS is running) */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .8s cubic-bezier(.2, .7, .2, 1);
}
.js .reveal.in { opacity: 1; transform: none; }
.bento .reveal:nth-child(2) { transition-delay: .06s; }
.bento .reveal:nth-child(3) { transition-delay: .12s; }
.bento .reveal:nth-child(4) { transition-delay: .18s; }
.bento .reveal:nth-child(5) { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  .snow, .snow::after { animation: none; }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 860px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .card-wide { grid-column: span 2; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .top { top: 10px; margin: 10px 12px 0; padding-left: 14px; }
  nav a { padding: 8px 12px; }
  main { padding: 0 16px; }
  .hero { padding: 64px 0 96px; }
  .section { padding: 48px 0; }
  .bento { grid-template-columns: 1fr; }
  .card-wide { grid-column: auto; }
  .card { min-height: 0; }
  .card h3 { padding-top: 28px; }
  .cta { padding: 44px 22px; }
  .cta .btn { font-size: 14px; padding: 13px 18px; }
  footer { padding: 24px 16px 32px; }
}