/* zaentrum product page — layout on top of the vendored nalet design system.
 * dark-only, square frames (border-radius:0), monospace headings, single blue accent.
 * all tokens (--bg, --fg, --cloud-blue, --s-*, --ff-*) come from nalet.css. */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
body { margin: 0; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 var(--s-5); }

a { color: var(--cloud-blue); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.chev { color: var(--cloud-blue); font-family: var(--ff-mono); font-weight: 700; margin-right: .35em; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--surface); color: var(--fg); padding: var(--s-2) var(--s-3);
  border: 1px solid var(--cloud-blue); font-family: var(--ff-mono); font-size: 13px;
}
.skip:focus { left: var(--s-4); top: var(--s-4); }

/* ── header ── */
.site-head {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg-2) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.head-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: inline-flex; align-items: center; }
.lockup { height: 26px; width: auto; display: block; }
.head-nav { display: flex; align-items: center; gap: var(--s-5); }
.head-nav a {
  font-family: var(--ff-mono); font-size: 13px; font-weight: 500;
  color: var(--fg-muted); text-transform: lowercase; text-decoration: none;
}
.head-nav a:hover { color: var(--cloud-blue); }

/* ── hero ── */
.hero {
  position: relative;
  background:
    radial-gradient(1100px 520px at 50% -8%,
      color-mix(in srgb, var(--cloud-blue) 9%, transparent), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}
.hero-inner { padding: clamp(var(--s-7), 9vw, 112px) var(--s-5) var(--s-8); }
.eyebrow {
  margin: 0 0 var(--s-5); display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap;
  font-family: var(--ff-mono); font-size: 13px; color: var(--fg-muted); text-transform: lowercase;
}
.hero-title {
  margin: 0 0 var(--s-5);
  font-family: var(--ff-mono); font-weight: 800;
  font-size: clamp(40px, 8.5vw, 76px); line-height: 1.0; letter-spacing: -0.03em;
  color: var(--fg); text-transform: lowercase;
}
.lede {
  margin: 0 0 var(--s-6); max-width: 60ch;
  font-family: var(--ff-ui); font-size: clamp(16px, 2.2vw, 19px); line-height: 1.55;
  color: var(--fg-2);
}
.cta-row { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-bottom: var(--s-7); }
.cta-row .nc-btn { text-decoration: none; }

/* ── terminal block ── */
.term { border: 1px solid var(--border-2); background: var(--bg-2); max-width: 680px; }
.term-bar {
  display: flex; align-items: center; gap: var(--s-2);
  padding: var(--s-2) var(--s-3); border-bottom: 1px solid var(--border);
  font-family: var(--ff-mono); font-size: 11px; letter-spacing: .04em;
  color: var(--fg-dim); text-transform: lowercase;
}
.term-body {
  margin: 0; padding: var(--s-4);
  font-family: var(--ff-mono); font-size: 13px; line-height: 1.7; color: var(--fg-2);
  overflow-x: auto; white-space: pre;
}
.term-body .p { color: var(--cloud-cyan); user-select: none; margin-right: .5em; }
.term-body .c { color: var(--fg-dim); }
.cursor {
  display: inline-block; width: 8px; height: 1.05em; margin-left: 2px;
  background: var(--cloud-blue); vertical-align: text-bottom;
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 0%,50% { opacity: 1; } 50.01%,100% { opacity: 0; } }

/* ── generic section ── */
.section { padding: clamp(var(--s-7), 8vw, 88px) 0; border-bottom: 1px solid var(--border); }
.section--tight { padding: var(--s-7) 0; }
.sec-title {
  margin: 0 0 var(--s-3);
  font-family: var(--ff-mono); font-weight: 700; font-size: clamp(22px, 4vw, 32px);
  line-height: 1.15; letter-spacing: -0.015em; color: var(--fg); text-transform: lowercase;
}
.sec-lede { margin: 0 0 var(--s-6); max-width: 62ch; color: var(--fg-muted); font-size: 15px; line-height: 1.55; }

/* ── band (principle / docs callout) ── */
.band { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.band-inner { padding: clamp(var(--s-6), 6vw, 64px) var(--s-5); }
.band-title {
  margin: 0 0 var(--s-3);
  font-family: var(--ff-mono); font-weight: 700; font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.2; letter-spacing: -0.01em; color: var(--fg); text-transform: lowercase;
}
.band-body { margin: 0; max-width: 68ch; color: var(--fg-2); font-size: 16px; line-height: 1.6; }
.doc-links { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-5); }
.doc-links .nc-btn { text-decoration: none; }

/* ── features grid ── */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--s-4); }
.feat {
  background: var(--surface); border: 1px solid var(--border); padding: var(--s-5);
  display: flex; flex-direction: column; gap: var(--s-3);
}
.feat-ic { width: 26px; height: 26px; color: var(--cloud-blue); }
.feat h3 {
  margin: 0; font-family: var(--ff-mono); font-weight: 600; font-size: 15px;
  color: var(--fg); text-transform: lowercase; letter-spacing: .01em;
}
.feat p { margin: 0; color: var(--fg-muted); font-size: 14px; line-height: 1.55; }

/* ── clients ── */
.clients { display: flex; flex-wrap: wrap; gap: var(--s-4); }
.client {
  display: flex; align-items: center; gap: var(--s-3);
  background: var(--surface); border: 1px solid var(--border); padding: var(--s-3) var(--s-4);
  flex: 1 1 220px;
}
.client-name { font-family: var(--ff-mono); font-weight: 600; font-size: 15px; color: var(--fg); }
.client-kind { font-family: var(--ff-ui); font-size: 13px; color: var(--fg-muted); margin-right: auto; }

/* ── get started ── */
.start-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: var(--s-5); }
.start-col { display: flex; flex-direction: column; gap: var(--s-3); }
.start-head {
  font-family: var(--ff-mono); font-weight: 700; font-size: 13px; letter-spacing: .06em;
  color: var(--cloud-blue); text-transform: lowercase;
}
.start-cap { margin: 0; color: var(--fg-2); font-size: 15px; }
.start-col .term { max-width: none; }
.start-note { margin: 0; color: var(--fg-muted); font-size: 13px; line-height: 1.55; }

/* ── footer ── */
.site-foot { background: var(--bg-2); }
.foot-inner {
  padding: var(--s-6) var(--s-5);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap;
}
.foot-brand { display: flex; align-items: baseline; gap: .3em; flex-wrap: wrap; font-family: var(--ff-mono); }
.foot-word { font-weight: 700; color: var(--fg); }
.foot-tag { color: var(--fg-dim); font-size: 13px; }
.foot-nav { display: flex; gap: var(--s-5); }
.foot-nav a { font-family: var(--ff-mono); font-size: 13px; color: var(--fg-muted); }
.foot-nav a:hover { color: var(--cloud-blue); }
.foot-fine {
  width: 100%; margin: var(--s-4) 0 0; padding-top: var(--s-4); border-top: 1px solid var(--border);
  font-family: var(--ff-mono); font-size: 12px; color: var(--fg-dim); text-transform: lowercase;
}

/* ── motion / responsive ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor { animation: none; opacity: 1; }
}
@media (max-width: 620px) {
  .head-nav { gap: var(--s-4); }
  .head-nav a[href="#platform"] { display: none; }
  .foot-inner { flex-direction: column; align-items: flex-start; }
}