/* Project Voxel site. Tokens follow the app's built-in dark and light themes, with the app's
   "secure" green as the brand colour. System fonts only; no scripts, no inline styles. */
:root {
  color-scheme: dark light;
  --bg: #0f1217;
  --rail: #0a0c10;
  --panel: #151a21;
  --panel2: #1c222b;
  --line: #29313c;
  --fg: #e6ebf1;
  --muted: #97a3b0;
  --brand: #43d18f;
  --brand-fg: #0a0c10;
  --link: #6ee7b0;
  --amber: #f0b45a;
  --grid: rgba(67, 209, 143, 0.07);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "DejaVu Sans Mono", monospace;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --rail: #e6e9ee;
    --panel: #ffffff;
    --panel2: #eef1f5;
    --line: #c9d0d9;
    --fg: #161b22;
    --muted: #566170;
    --brand: #11774a;
    --brand-fg: #ffffff;
    --link: #0d6a41;
    --amber: #8a5300;
    --grid: rgba(17, 119, 74, 0.08);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1rem/1.65 var(--font);
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: absolute; left: 0.75rem; top: -4rem; z-index: 10;
  background: var(--brand); color: var(--brand-fg);
  padding: 0.6rem 1rem; border-radius: 6px; font-weight: 700;
}
.skip:focus { top: 0.75rem; }

.wrap { width: min(100% - 2.5rem, 62rem); margin-inline: auto; }
.narrow { width: min(100% - 2.5rem, 44rem); margin-inline: auto; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--rail); }
.site-header .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.5rem 1.5rem; padding-block: 0.75rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--fg); text-decoration: none; font-weight: 800; letter-spacing: 0.01em; }
.brand img { width: 2rem; height: 2rem; }
nav ul { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin: 0; padding: 0; list-style: none; }
nav a { color: var(--fg); text-decoration: none; padding: 0.35rem 0; border-bottom: 2px solid transparent; }
nav a:hover { border-bottom-color: var(--brand); }
nav a[aria-current="page"] { border-bottom-color: var(--brand); font-weight: 700; }

/* Hero: a faint voxel grid behind the headline */
.hero, .page-head {
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
}
.hero { padding-block: clamp(3rem, 9vw, 6rem); }
.hero .wrap { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 52rem) { .hero .wrap { grid-template-columns: 1.4fr 1fr; } }
.eyebrow {
  display: inline-block; margin: 0 0 1rem; padding: 0.15rem 0.7rem;
  font: 700 0.8rem/1.6 var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--amber); border: 1px solid var(--amber); border-radius: 4px;
}
h1 { margin: 0 0 1rem; font-size: clamp(2.1rem, 7vw, 3.5rem); line-height: 1.1; letter-spacing: -0.02em; }
h2 { margin: 0 0 0.75rem; font-size: clamp(1.4rem, 4vw, 1.85rem); line-height: 1.2; }
h3 { margin: 0 0 0.4rem; font-size: 1.1rem; }
.lede { font-size: clamp(1.05rem, 2.6vw, 1.25rem); color: var(--muted); max-width: 38rem; margin: 0 0 1.5rem; }
.hero-art { display: grid; place-items: center; }
.hero-art img { width: min(60%, 14rem); filter: drop-shadow(0 0 28px var(--grid)); }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-block; padding: 0.7rem 1.25rem; border-radius: 6px; font-weight: 700; text-decoration: none;
  background: var(--brand); color: var(--brand-fg); border: 2px solid var(--brand);
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--brand); }

/* Sections */
section { padding-block: clamp(2.25rem, 6vw, 3.75rem); }
section + section { border-top: 1px solid var(--line); }
.sub { color: var(--muted); max-width: 42rem; margin: 0 0 1.75rem; }

.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); margin: 0; padding: 0; list-style: none; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--brand);
  border-radius: 8px; padding: 1.1rem 1.2rem;
}
.card p { margin: 0; color: var(--muted); }
.card.soon { border-top-color: var(--amber); }
.card.soon h3 { margin: 0.5rem 0 0; }
.tag { font: 700 0.75rem/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--amber); }

.split { display: grid; gap: 1rem; }
@media (min-width: 46rem) { .split { grid-template-columns: 1fr 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; }
.panel p { margin: 0; color: var(--muted); }
.panel.see { border-left: 4px solid var(--brand); }
.panel.meta { border-left: 4px solid var(--amber); }

ol.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; display: grid; gap: 1rem; }
ol.steps li {
  counter-increment: step; position: relative; background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; padding: 1rem 1.2rem 1rem 4rem;
}
ol.steps li::before {
  content: counter(step); position: absolute; left: 1rem; top: 0.9rem; width: 2.2rem; height: 2.2rem;
  display: grid; place-items: center; font: 800 1.1rem var(--mono);
  background: var(--brand); color: var(--brand-fg); border-radius: 4px;
}
ol.steps strong { display: block; }
ol.steps span { color: var(--muted); }

/* Prose (security page) */
.prose h1 { font-size: clamp(1.9rem, 6vw, 2.6rem); }
.prose ul { padding-left: 1.3rem; }
.prose li + li { margin-top: 0.4rem; }
.page-head { padding-block: clamp(2.5rem, 7vw, 4rem) 2rem; }
.page-head h1 { margin-bottom: 0.5rem; }
.page-head .lede { margin-bottom: 0; }
.prose section { padding-block: 1.5rem 0; border: 0; }
.placeholder { background: var(--panel2); border: 1px dashed var(--amber); padding: 0.1em 0.4em; border-radius: 4px; font-family: var(--mono); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--rail); padding-block: 1.75rem; color: var(--muted); font-size: 0.95rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; justify-content: space-between; }
.site-footer ul { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin: 0; padding: 0; list-style: none; }
.site-footer p { margin: 0; }
.site-footer nav a { color: var(--link); }

@media (prefers-reduced-motion: no-preference) {
  .btn, nav a { transition: border-color 0.15s, filter 0.15s; }
}