/* ─── Base / reset ───────────────────────────────────────────
   stqn.tech / stan.boyet.me shared base styles
   Requires: tokens.css
──────────────────────────────────────────────────────────── */

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Typography ─────────────────────────────────────────── */

h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text);
}
h1 em {
  font-style: normal;
  color: var(--accent);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
}

/* Monospace section label */
.label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-subtle);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.label--accent { color: var(--accent); }

/* ─── Links ──────────────────────────────────────────────── */

a {
  color: var(--accent);
  text-decoration: none;
}

.link-underline {
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.link-underline:hover { border-bottom-color: currentColor; }

/* ─── Buttons ────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: transform 0.15s, background 0.15s, color 0.15s;
  cursor: pointer;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--text); color: #fff; }
.btn-primary:hover { background: var(--accent); }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-secondary:hover { color: var(--text); border-color: var(--text-muted); }

/* ─── Layout helpers ─────────────────────────────────────── */

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

hr.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 2rem;
}

/* ─── Scroll reveal ──────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover { transform: none; }
}

/* ─── Fonts (include in <head> instead if performance matters) */
/* @import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500&display=swap'); */
