/* bregeras.me: shared styles
   Design system reused from the Post-Agile ebook: navy #0f172a, slate type,
   accent blue/indigo/purple, Inter + JetBrains Mono. */

:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --border: #334155;
  --text: #f8fafc;
  --text-2: #cbd5e1;
  --text-3: #94a3b8;
  --muted: #64748b;
  --accent: #38bdf8;
  --indigo: #818cf8;
  --purple: #c084fc;
  --success: #34d399;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --wrap: 860px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  padding-top: 61px;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------- nav ---------- */
nav {
  border-bottom: 1px solid var(--border);
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
}
nav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
nav .brand { font-family: var(--mono); font-size: 0.9rem; letter-spacing: 0.02em; color: var(--text); }
nav .links { display: flex; gap: 22px; font-size: 0.92rem; }
nav .links a { color: var(--text-3); }
nav .links a:hover, nav .links a[aria-current="page"] { color: var(--text); text-decoration: none; }

/* ---------- hero ---------- */
header.hero { padding: 88px 0 64px; }
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.35); border-radius: 4px;
  padding: 4px 10px; margin-bottom: 26px;
}
h1 { font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.14; letter-spacing: -0.02em; font-weight: 800; }
h1 .dim { color: var(--text-3); }
.lede { margin-top: 22px; font-size: 1.1rem; color: var(--text-2); max-width: 640px; }

/* ---------- buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 8px; font-weight: 600; font-size: 0.95rem;
  border: 1px solid var(--border); color: var(--text); background: transparent;
}
.btn:hover { text-decoration: none; border-color: var(--text-3); }
.btn-primary {
  background: var(--accent); color: #06283a; border-color: var(--accent);
}
.btn-primary:hover { background: #7dd3fc; border-color: #7dd3fc; }

/* ---------- sections ---------- */
section { padding: 56px 0; border-top: 1px solid var(--border); }
h2 { font-size: 1.5rem; letter-spacing: -0.01em; margin-bottom: 8px; }
h2 .num { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); letter-spacing: 0.1em; display: block; margin-bottom: 8px; }
.sub { color: var(--text-3); margin-bottom: 28px; max-width: 620px; }

/* ---------- cards ---------- */
.cards { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 22px;
}
.card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.card p { color: var(--text-2); font-size: 0.95rem; }
.card .meta { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 12px; display: block; }

/* ---------- book block ---------- */
.book-block {
  display: grid; gap: 32px; grid-template-columns: 240px 1fr; align-items: center;
}
@media (max-width: 680px) { .book-block { grid-template-columns: 1fr; } }
.book-thumb {
  display: block; width: 100%; height: auto; border-radius: 10px;
  border: 1px solid var(--border);
}

ul.inside { list-style: none; margin: 18px 0 0; }
ul.inside li { padding: 9px 0; border-bottom: 1px solid var(--border); color: var(--text-2); font-size: 0.95rem; }
ul.inside li:last-child { border-bottom: none; }
ul.inside li span { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); margin-right: 12px; }

.price { font-family: var(--mono); font-size: 1.4rem; color: var(--text); }
.price small { font-size: 0.8rem; color: var(--text-3); }

/* ---------- callout ---------- */
.callout {
  border-left: 3px solid var(--indigo); background: rgba(129, 140, 248, 0.08);
  padding: 16px 20px; border-radius: 0 8px 8px 0; margin: 24px 0; color: var(--text-2);
}
.callout strong { color: var(--indigo); display: block; margin-bottom: 4px; }
.book-callout {
  display: grid; grid-template-columns: 200px 1fr; gap: 20px;
  align-items: start; margin: 32px 0 0;
}
.book-callout strong { margin: 0; }
.book-callout p { margin: 0; }
@media (max-width: 680px) {
  .book-callout { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- resume ---------- */
.resume-head { display: flex; flex-wrap: wrap; gap: 16px; align-items: baseline; justify-content: space-between; }
.contact { font-family: var(--mono); font-size: 0.82rem; color: var(--text-3); display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 14px; }
.role { margin-top: 40px; }
.role h3 { font-size: 1.05rem; }
.role .org { color: var(--accent); font-size: 0.92rem; }
.role .when { font-family: var(--mono); font-size: 0.76rem; color: var(--muted); }
.role ul { margin: 10px 0 0 18px; color: var(--text-2); font-size: 0.95rem; }
.role ul li { margin-bottom: 6px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.tag { font-family: var(--mono); font-size: 0.72rem; color: var(--text-2); border: 1px solid var(--border); border-radius: 4px; padding: 3px 8px; }

/* ---------- contact page ---------- */
.contact-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1.2fr 1.2fr 0.8fr;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
}
.contact-card .meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-card strong {
  font-size: 0.96rem;
  font-weight: 600;
  overflow-wrap: break-word;
}
.contact-card span:last-child {
  color: var(--text-3);
  font-size: 0.9rem;
  line-height: 1.5;
}
a.contact-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}

@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); font-size: 0.85rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; }
footer a { color: var(--text-3); }

@media (min-width: 841px) {
  body { padding-bottom: 56px; }
  footer {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 15;
    background: var(--bg);
    padding: 12px 0;
  }
}

@media (max-width: 520px) {
  nav .links { gap: 14px; font-size: 0.85rem; }
  nav .brand { font-size: 0.85rem; }
}

/* ---------- utility ---------- */
.mono { font-family: var(--mono); }
.small { font-size: 0.85rem; color: var(--text-3); }
hr.rule { border: none; border-top: 1px solid var(--border); margin: 32px 0; }