/* Tech LifeCycles: clean static site */
:root {
  --ink: #142033;
  --muted: #5a6577;
  --line: #e6e9ef;
  --bg: #f7f8fa;
  --card: #ffffff;
  --accent: #1f4b7a;
  --accent-soft: #e8eef5;
  --radius: 12px;
  --max: 960px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: #163a5f; }
img { max-width: 100%; height: auto; }

/* Skip link: hidden until focused by keyboard */
.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -100px;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 0 0 var(--radius) var(--radius);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus,
.skip-link:focus-visible {
  top: 0;
  color: #fff;
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}
#main { scroll-margin-top: 5rem; }

.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.brand span { color: var(--accent); font-weight: 600; }
.nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

.hero {
  padding: 3rem 0 2.25rem;
  text-align: center;
}
.hero .hero-inner {
  max-width: 44rem;
  margin-inline: auto;
}
.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: none;
}
.hero .lede {
  margin: 0 auto 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 40rem;
}
.hero .actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}
.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #163a5f; color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--card); color: var(--ink); }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}
.grid-2 {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: 1.4fr 1fr; }
}

.primary-card h2 { margin: 0 0 0.5rem; font-size: 1.2rem; }
.primary-card p { margin: 0 0 1rem; color: var(--muted); }
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.quiet {
  margin-top: 1rem;
  padding: 1rem 0 0;
}
.quiet h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: var(--muted);
  font-weight: 600;
}
.quiet-list {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 560px) {
  .quiet-list { grid-template-columns: 1fr 1fr; }
}
.quiet-list li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}
.quiet-list strong { display: block; margin-bottom: 0.25rem; }
.quiet-list p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.page { padding: 2.25rem 0 3rem; }
.page h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}
.page .intro { color: var(--muted); max-width: 52ch; margin: 0 0 1.5rem; }
.prose { max-width: 62ch; }
.prose h2 { margin-top: 1.75rem; font-size: 1.15rem; }
.prose p, .prose li { color: var(--ink); }
.prose ul { padding-left: 1.2rem; }
.note {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  color: var(--ink);
  font-size: 0.95rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer p { margin: 0.25rem 0; }
.site-footer .legal { font-size: 0.8rem; margin-top: 0.6rem; }