/* Mario Raúl Carbonell Martínez — personal site
   Zero build steps, zero dependencies. Light/dark auto. */

:root {
  --bg: #fbfbfd;
  --fg: #1b1c1f;
  --muted: #5d6067;
  --card: #ffffff;
  --line: #e3e5ea;
  --accent: #0b57d0;
  --accent-soft: rgba(11, 87, 208, 0.08);
  --badge-fg: #0b57d0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1013;
    --fg: #e7e8ec;
    --muted: #9ea2ab;
    --card: #16171b;
    --line: #2a2c32;
    --accent: #8ab4f8;
    --accent-soft: rgba(138, 180, 248, 0.12);
    --badge-fg: #8ab4f8;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent); }

/* Hero */
.hero { padding: 64px 0 4px; }

.eyebrow {
  font: 600 12.5px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(28px, 5vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.tagline {
  font-size: 17.5px;
  color: var(--muted);
  margin: 0 0 22px;
}

.tagline strong { color: var(--fg); font-weight: 600; }

nav.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

nav.links a {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fg);
  text-decoration: none;
  font-size: 14px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

nav.links a:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* Sections */
section {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

h2 {
  font: 600 12.5px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

p { margin: 10px 0; }

ul { padding-left: 20px; margin: 10px 0; }

li { margin: 6px 0; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 14px 0;
  transition: border-color 0.15s ease;
}

.card:hover { border-color: var(--accent); }

.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.badge {
  font: 600 11px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--badge-fg);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 4px 9px;
  letter-spacing: 0.02em;
}

.card p { font-size: 15px; margin: 8px 0; }

.card .meta { color: var(--muted); font-size: 13.5px; }

.links-row { margin-top: 10px !important; font-size: 14px !important; }

.links-row a { text-decoration: none; }
.links-row a:hover { text-decoration: underline; }

.more { font-size: 14.5px; color: var(--muted); margin-top: 18px; }

.contact-list { list-style: none; padding: 0; }
.contact-list li { margin: 8px 0; }

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 20px 0 44px;
  color: var(--muted);
  font-size: 13px;
}