/*
  base.css
  Reset, base typography, and utility classes used across every page.
*/

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@500;600&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--navy-900);
  line-height: 1.15;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { color: var(--ink-muted); }

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-600);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.section {
  padding: 72px 0;
}

.section--tight { padding: 44px 0; }

.section--navy {
  background: var(--navy-900);
  color: #fff;
}
.section--navy h2, .section--navy h3 { color: #fff; }
.section--navy p { color: rgba(255,255,255,0.72); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn--gold {
  background: var(--gold-500);
  color: var(--navy-950);
}
.btn--gold:hover { background: var(--gold-400); transform: translateY(-2px); box-shadow: var(--shadow-card); }

.btn--outline {
  background: transparent;
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.btn--outline:hover { border-color: #fff; transform: translateY(-2px); }

.btn--navy {
  background: var(--navy-800);
  color: #fff;
}
.btn--navy:hover { background: var(--navy-700); transform: translateY(-2px); }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.tag--d8 { background: var(--d8-green-light); color: var(--d8-green); }
.tag--d9 { background: var(--d9-purple-light); color: var(--d9-purple); }
.tag--amber { background: #fdf1dc; color: #a86a06; }
.tag--red { background: #fbe6e6; color: var(--red-flag); }
.tag--green { background: var(--d8-green-light); color: var(--d8-green); }

.required { color: var(--red-flag); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

:focus-visible {
  outline: 3px solid var(--gold-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}