/* Applixr landing page: "Blueprint" direction.
   Engineering-studio feel: drafting-grid background, spec-sheet details, product rows. */
:root {
  --paper: #f6f7f9;
  --ink: #10162b;
  --blue: #2348d6;
  --grid: #e3e7ef;
  --soft: #5a6278;
  --amber: #f2a93b;
  --ok: #1a8f4c;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: inherit; }
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

.wrap { max-width: 1160px; margin: 0 auto; padding-inline: clamp(16px, 4vw, 40px); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--ink); color: var(--paper); padding: 10px 14px; z-index: 10; }

/* Nav */
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 20px; border-bottom: 1px solid var(--ink); }
.logo { font: 600 20px/1 var(--sans); letter-spacing: -0.01em; text-decoration: none; display: flex; gap: 10px; align-items: center; }
.logo svg { display: block; }
.nav ul { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; font: 400 13px/1 var(--mono); }
.nav ul a { text-decoration: none; color: var(--soft); }
.nav ul a:hover { color: var(--blue); }

/* Buttons */
.btn { font: 500 14px/1 var(--mono); padding: 13px 18px; text-decoration: none; display: inline-flex; gap: 10px; border: 1px solid var(--ink); background: var(--paper); transition: background .15s, color .15s; }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.solid { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn.solid:hover { background: var(--ink); border-color: var(--ink); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero */
.hero { padding-block: clamp(48px, 8vw, 100px) 56px; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 48px; align-items: end; }
.coord { font: 400 12px/1 var(--mono); color: var(--blue); letter-spacing: .04em; text-transform: uppercase; }
h1 { font: 500 clamp(40px, 6.6vw, 88px)/1.0 var(--sans); letter-spacing: -0.035em; margin: 18px 0 22px; text-wrap: balance; }
h1 span { color: var(--blue); }
.lede { font-size: 18px; line-height: 1.6; color: var(--soft); max-width: 52ch; margin: 0 0 28px; }

/* Spec sheet */
.spec { background: var(--paper); border: 1px solid var(--ink); font: 400 13px/1.4 var(--mono); min-width: 0; }
.spec header { padding: 10px 14px; display: flex; justify-content: space-between; gap: 8px; background: var(--ink); color: var(--paper); }
.spec dl { margin: 0; display: grid; grid-template-columns: auto 1fr; }
.spec dt, .spec dd { padding: 10px 14px; border-bottom: 1px solid var(--grid); margin: 0; }
.spec dt { color: var(--soft); }
.spec dd { text-align: right; }
.spec dl > :nth-last-child(-n+2) { border-bottom: 0; }
.ok { color: var(--ok); }

/* Sections */
.block { padding-block: clamp(56px, 8vw, 96px); scroll-margin-top: 16px; }
.sec-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; border-bottom: 1px solid var(--ink); padding-bottom: 14px; }
h2 { font: 500 clamp(28px, 4vw, 44px)/1.1 var(--sans); letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
.sec-head span { font: 400 12px/1 var(--mono); color: var(--soft); }

/* Product rows */
.row { display: grid; grid-template-columns: 90px minmax(0, 1.1fr) minmax(0, 1.4fr) auto; gap: 24px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--grid); background: var(--paper); transition: background .2s; }
.row:hover { background: #fff; }
.row .id { font: 400 12px/1 var(--mono); color: var(--blue); }
.row h3 { font: 500 clamp(24px, 3vw, 34px)/1.05 var(--sans); letter-spacing: -0.02em; margin: 0; }
.row p { margin: 0; color: var(--soft); line-height: 1.55; }
.row a { font: 500 13px/1 var(--mono); color: var(--blue); white-space: nowrap; }

/* Capabilities */
.stack { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); border-left: 1px solid var(--ink); border-top: 1px solid var(--ink); margin-top: 28px; }
.cell { border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 24px; display: grid; align-content: start; gap: 10px; background: var(--paper); min-width: 0; }
.cell .n { font: 400 12px/1 var(--mono); color: var(--soft); }
.cell h3 { margin: 0; font: 500 19px/1.2 var(--sans); }
.cell p { margin: 0; color: var(--soft); font-size: 15px; line-height: 1.5; }

/* Contact */
.closing { background: var(--ink); color: var(--paper); padding: clamp(32px, 6vw, 64px); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: end; }
.closing h2 { color: var(--paper); }
.closing p { color: #aab2c8; margin: 12px 0 0; max-width: 50ch; line-height: 1.55; }
.closing .btn { background: var(--amber); border-color: var(--amber); color: var(--ink); }
.closing .btn:hover { background: var(--paper); border-color: var(--paper); }

.footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block: 28px; font: 400 12px/1.4 var(--mono); color: var(--soft); border-top: 1px solid var(--ink); }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--blue); }

@media (max-width: 820px) {
  .nav ul { display: none; }
  .hero { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; gap: 10px; }
  .closing { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .row, .btn { transition: none; }
}