/* ---------- Tokens ---------- */
:root {
  --bg: #faf9f6;
  --bg-alt: #f1efe9;
  --surface: #ffffff;
  --ink: #16161d;
  --muted: #5d5d6b;
  --line: #e4e1d8;
  --accent: #3346f5;
  --accent-ink: #ffffff;
  --accent-soft: #e6e8ff;
  --pop: #ff6b4a;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --radius: 14px;
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111117;
    --bg-alt: #17171f;
    --surface: #1c1c25;
    --ink: #ececf2;
    --muted: #a3a3b5;
    --line: #2b2b37;
    --accent: #7d8bff;
    --accent-ink: #0d0d14;
    --accent-soft: #232646;
    --pop: #ff8a6e;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1rem; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--pop); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .6em; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

.skip {
  position: absolute; left: -999px; top: .5rem;
  background: var(--accent); color: var(--accent-ink);
  padding: .5rem 1rem; border-radius: 8px; z-index: 100;
}
.skip:focus { left: .5rem; }

/* ---------- Hero ---------- */
.hero { padding: 5rem 0 4.5rem; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(var(--line) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, #000 30%, transparent);
}
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 3rem; align-items: center; }
.eyebrow {
  font-family: var(--mono); font-size: .85rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before { content: "// "; color: var(--pop); }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); letter-spacing: -.02em; }
.accent {
  background: linear-gradient(transparent 62%, var(--accent-soft) 62%);
  color: var(--accent);
}
.lead { font-size: 1.2rem; color: var(--muted); max-width: 36em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }

.btn {
  display: inline-block; padding: .8rem 1.3rem; border-radius: 999px;
  font-weight: 600; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 4px 0 var(--ink); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--ink); }
.btn-primary:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--ink); }
.btn-ghost { color: var(--ink); border: 2px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink); }

/* Layer stack */
.stack { position: relative; margin: 0; display: flex; flex-direction: column; align-items: center; gap: 1.1rem; padding: 2.5rem 0 0; }
.layer {
  position: relative; display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: .9rem 1.2rem; border: 2px solid var(--ink); border-radius: 12px;
  background: var(--surface); box-shadow: 4px 4px 0 var(--ink);
  transition: transform .2s ease, box-shadow .2s ease;
}
.layer strong { font-size: 1.05rem; }
.layer span { font-family: var(--mono); font-size: .82rem; color: var(--muted); white-space: nowrap; }
.layer:hover { transform: translate(-2px, -3px); box-shadow: 6px 7px 0 var(--accent); }
/* each layer rests on the one below: widths grow towards the foundation */
/* on load the stack builds itself from the foundation up */
.layer { animation: drop .55s cubic-bezier(.2, .8, .3, 1.2) both; }
.layer-1 { width: 64%; animation: drop .55s cubic-bezier(.2, .8, .3, 1.2) .48s both, float 4s ease-in-out 1.1s infinite; }
.layer-2 { width: 73%; animation-delay: .36s; }
.layer-3 { width: 82%; animation-delay: .24s; }
.layer-4 { width: 91%; animation-delay: .12s; }
.layer-5 { width: 100%; }
.layer:not(:last-of-type)::after {
  content: ""; position: absolute; left: 50%; top: 100%; width: 2px; height: calc(1.1rem + 2px);
  background: repeating-linear-gradient(var(--ink) 0 3px, transparent 3px 6px);
}
.sticker {
  position: absolute; top: -2.25rem; right: -1.25rem; z-index: 2;
  display: grid; place-items: center; width: 6.2rem; height: 6.2rem; border-radius: 50%;
  background: var(--pop); color: #16161d; border: 2px solid var(--ink);
  font-family: var(--mono); font-size: .72rem; font-weight: 700; line-height: 1.25; text-align: center;
  transform: rotate(12deg); animation: pop .5s cubic-bezier(.3, 1.6, .5, 1) .9s both;
  will-change: transform; backface-visibility: hidden;
}
.stack figcaption { margin-top: .4rem; font-family: var(--mono); font-size: .82rem; color: var(--muted); }
@keyframes drop { from { opacity: 0; translate: 0 -28px; } }
/* no scale here: scaling the sticker causes rendering seams (a white cross) in some browsers */
@keyframes pop { from { opacity: 0; rotate: -40deg; translate: 0 -12px; } }
@keyframes float { 50% { transform: translateY(-5px); } }

/* ---------- Sections ---------- */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.3rem); letter-spacing: -.01em; display: flex; align-items: baseline; gap: .75rem; }
.num { font-family: var(--mono); font-size: .95rem; color: var(--pop); font-weight: 600; }
.section-lead { color: var(--muted); max-width: 40em; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2rem; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 12px 30px -18px var(--accent); }
.card h3 { font-size: 1.2rem; }
.card p { color: var(--muted); margin: 0; }
.card-icon {
  display: inline-grid; place-items: center; width: 2.75rem; height: 2.75rem; margin-bottom: 1rem;
  border-radius: 10px; background: var(--accent-soft); color: var(--accent);
  font-family: var(--mono); font-weight: 700; font-size: 1.15rem;
}

.chips { display: flex; flex-wrap: wrap; gap: .7rem; list-style: none; padding: 0; margin: 1.5rem 0 0; }
.chips li {
  font-family: var(--mono); font-weight: 600;
  padding: .55rem 1.05rem; border-radius: 999px;
  background: var(--surface); border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.chips li:nth-child(odd) { transform: rotate(-1.5deg); }
.chips li:nth-child(even) { transform: rotate(1.5deg); }
.chips li:hover { transform: translate(-2px, -2px) rotate(0); box-shadow: 5px 5px 0 var(--accent); }

.about { display: grid; grid-template-columns: 1fr 2fr; gap: 2rem; }
.about-body { font-size: 1.1rem; max-width: 40em; }

.contact { text-align: center; background: var(--accent); color: var(--accent-ink); }
.contact h2 { justify-content: center; }
.contact .num { color: var(--accent-ink); opacity: .7; }
.contact .section-lead { color: var(--accent-ink); opacity: .85; margin-inline: auto; }
.contact a { color: var(--accent-ink); }
.btn-contact {
  margin: .75rem 0 1.25rem; background: var(--accent-ink); color: var(--accent) !important;
  box-shadow: 0 4px 0 var(--ink);
}
.btn-contact:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--ink); }
.btn-contact:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--ink); }
.contact-details { opacity: .85; margin: 0; font-size: .95rem; }

/* ---------- Legal ---------- */
.legal { padding: 4rem 0; border-top: 1px solid var(--line); font-size: .95rem; }
.legal-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 3rem; }
.legal h2 { font-size: 1.5rem; }
.legal h3 { font-size: 1.02rem; margin: 1.5rem 0 .4rem; }
.legal p { color: var(--muted); }
.legal-sub { font-size: .88rem; }
.legal dl { display: grid; grid-template-columns: max-content 1fr; gap: .45rem 1.25rem; margin: 1.25rem 0 0; }
.legal dt { color: var(--muted); }
.legal dd { margin: 0; }

.site-footer { border-top: 1px solid var(--line); padding: 1.5rem 0; font-size: .9rem; color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; }
.footer-inner p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero { padding: 3rem 0; }
  .hero-grid, .about, .legal-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cards { grid-template-columns: 1fr; }
  .stack { max-width: 30rem; width: 100%; margin: 0 auto; }
  .section { padding: 3.5rem 0; }
}
@media (max-width: 560px) {
  .layer { flex-direction: column; gap: .1rem; }
  .sticker { width: 5.2rem; height: 5.2rem; font-size: .64rem; right: -.25rem; top: -1rem; }
  .legal dl { grid-template-columns: 1fr; gap: 0; }
  .legal dd { margin-bottom: .6rem; }
}

/* ---------- Scroll reveal (enabled by script) ---------- */
.reveal {
  opacity: 0; translate: 0 24px;
  transition: opacity .6s ease var(--d, 0s), translate .6s cubic-bezier(.2, .7, .3, 1) var(--d, 0s),
              transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .15s ease;
}
.reveal.is-visible { opacity: 1; translate: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}