/* Shared styles for shellware.ai and its subdomains (labs, wares, infra, ops, fde).
   Each subdomain vhost serves /assets/ from the root of this repo. */

:root {
  --bg: #f4f3ef;
  --fg: #141414;
  --muted: #6e6c67;
  --line: #dad8d2;
  --card: #ecebe6;
  --accent: #3f7a55;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --gutter: clamp(16px, 5vw, 64px);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101010;
    --fg: #ecebe7;
    --muted: #8a8882;
    --line: #262626;
    --card: #171717;
    --accent: #8fbf9f;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--bg); }

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 var(--gutter); }

/* Header */
header .wrap {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 80px;
  font-family: var(--mono); font-size: 13px;
}
.brand .sep, .brand .sub { color: var(--muted); }
.brand .sub { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 20px; }
nav a { color: var(--muted); transition: color .2s; }
nav a:hover, nav a:focus-visible, nav a[aria-current="page"] { color: var(--fg); }
nav a[aria-current="page"]::before { content: "> "; color: var(--accent); }

main { flex: 1; }

/* Hero */
.hero { padding: clamp(64px, 12vw, 140px) 0 clamp(48px, 8vw, 96px); }
.home .hero { min-height: 62vh; display: flex; align-items: center; }
.kicker {
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 20px;
}
h1 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(44px, 9vw, 104px);
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 0 0 40px;
}
.cursor {
  display: inline-block;
  width: 0.5em; height: 0.09em;
  margin-left: 0.06em;
  background: var(--accent);
  vertical-align: baseline;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.lead {
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.45;
  margin: 0;
  max-width: 34ch;
}

/* Sections */
section.block { padding: clamp(56px, 9vw, 104px) 0; border-top: 1px solid var(--line); }
h2 {
  font-family: var(--mono); font-weight: 500; font-size: 13px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 32px;
}
h2::before { content: "# "; color: var(--accent); }
.prose p { margin: 0 0 1.1em; max-width: 62ch; }
.prose p:first-child { font-size: 19px; line-height: 1.6; }
.prose p:last-child { margin-bottom: 0; }

/* Numbered steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: step; }
.steps li { border-top: 1px solid var(--fg); padding-top: 18px; counter-increment: step; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono); font-size: 12px; color: var(--accent);
}
.steps h3 { font-family: var(--mono); font-weight: 500; font-size: 16px; margin: 10px 0 8px; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

/* The five parts */
.parts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.part {
  display: flex; flex-direction: column; min-width: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  transition: border-color .2s;
}
a.part:hover, a.part:focus-visible { border-color: var(--accent); }
.part .host { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.part h3 { font-family: var(--mono); font-weight: 500; font-size: 22px; margin: 6px 0 10px; letter-spacing: -0.02em; }
.part p { margin: 0 0 20px; color: var(--muted); font-size: 15px; flex: 1; }
.part .go { font-family: var(--mono); font-size: 12px; color: var(--accent); overflow-wrap: anywhere; }
.part.current { border-color: var(--accent); }
.part.current .go { color: var(--muted); }
/* Product cards on the Wares page */
.products { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.part.product h3 { font-family: var(--sans); font-weight: 500; letter-spacing: -0.01em; }

.flow-note { margin: 24px 0 0; color: var(--muted); font-size: 15px; max-width: 70ch; }

/* Contact */
.contact {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px 24px;
  font-family: var(--mono); font-size: 14px;
}
.contact span { color: var(--muted); }
.contact a { border-bottom: 1px solid var(--line); transition: color .2s, border-color .2s; word-break: break-all; }
.contact a:hover, .contact a:focus-visible { color: var(--accent); border-color: var(--accent); }

/* Footer */
footer { border-top: 1px solid var(--line); }
footer .wrap {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
  padding-top: 24px; padding-bottom: 32px;
  font-size: 12px; color: var(--muted);
}

@media (max-width: 860px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .parts { grid-template-columns: repeat(2, 1fr); }
  .parts > :last-child { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .steps, .parts { grid-template-columns: 1fr; }
  .parts > :last-child { grid-column: auto; }
  header .wrap { flex-direction: column; align-items: flex-start; justify-content: center; padding-top: 16px; padding-bottom: 16px; }
  nav { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
}