/* ============================================================
   SISTEMA DE DISEÑO — "PANEL"
   Extraído del diseño provisto por el usuario (Work Sans + IBM Plex Mono,
   paleta oklch azul/marfil, tarjetas con sombra suave).
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Work+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --bg: oklch(98% 0.002 260);
  --ink: oklch(22% 0.03 258);
  --ink-soft: oklch(48% 0.02 258);
  --border: oklch(88% 0.005 260);
  --blue: oklch(50% 0.09 240);
  --blue-dark: oklch(38% 0.09 245);
  --badge-bg: oklch(94% 0.03 240);
  --dark: oklch(22% 0.03 258);
  --dark-accent: oklch(75% 0.06 240);
  --shadow-card: 0 4px 14px rgba(20,30,60,0.05);
  --shadow-photo: 0 12px 28px rgba(20,30,60,0.18);

  --font-sans: 'Work Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  font-family: var(--font-sans);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
a.link { color: var(--blue); }
a.link:hover { color: var(--blue-dark); }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.wrap {
  max-width: 1024px;
  margin: 0 auto;
  padding-left: 56px;
  padding-right: 56px;
}

/* ---------- header ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 56px;
  height: 76px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a.link { font-weight: 600; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 38px;
  height: 34px;
  font-family: var(--font-mono);
  cursor: pointer;
  color: var(--ink);
}

@media (max-width: 720px) {
  .wrap { padding-left: 24px; padding-right: 24px; }
  .site-header { padding: 0 24px; }
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 4px 0;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: 12px 24px;
    display: block;
    width: 100%;
    border-top: 1px solid var(--border);
  }
  .site-nav li:first-child a { border-top: none; }
  .hero-grid { flex-direction: column-reverse; }
  .stat-grid, .edu-grid, .proj-stat-grid { grid-template-columns: repeat(2,1fr) !important; }
}

/* ---------- section rhythm ---------- */

section.section { padding-top: 52px; }
section.section--hero { padding-top: 64px; }
section.section--stack { padding-top: 40px; }
section.section--contact { padding-top: 52px; padding-bottom: 60px; }

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
  display: inline-block;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  margin: 10px 0 20px;
}

/* ---------- generic card ---------- */

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}
.card-pad { padding: 32px; }

/* ---------- hero ---------- */

.hero-grid {
  display: flex;
  gap: 48px;
  align-items: center;
  justify-content: space-between;
}

.badge-pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--badge-bg);
  padding: 5px 12px;
  border-radius: 20px;
}

.hero-text h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;
  margin: 18px 0 0;
  letter-spacing: -0.015em;
}

.hero-role {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 50ch;
  margin: 18px 0 0;
}

.hero-photo { flex-shrink: 0; width: 156px; }
.hero-photo img {
  width: 156px;
  height: 156px;
  object-fit: cover;
  border-radius: 12px;
  display: block;
  box-shadow: var(--shadow-photo);
}

/* ---------- stat strip ---------- */

.stat-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 14px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  box-shadow: var(--shadow-card);
}
.stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 22px;
  color: var(--blue);
}
.stat-label {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 4px;
  line-height: 1.3;
}

/* ---------- sobre mí ---------- */

.about-text {
  font-size: 16.5px;
  line-height: 1.65;
  max-width: 64ch;
  margin: 14px 0 0;
}

/* ---------- timeline ---------- */

.timeline { display: flex; flex-direction: column; gap: 12px; }
.timeline-row {
  display: flex;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  align-items: baseline;
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--blue);
  width: 110px;
  flex-shrink: 0;
}
.timeline-body { flex: 1; }
.timeline-role { font-weight: 600; }
.timeline-org { color: var(--ink-soft); font-size: 14px; }

/* ---------- formación ---------- */

.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.edu-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}
.edu-title { font-weight: 600; font-size: 14.5px; }
.edu-sub { color: var(--ink-soft); font-size: 13.5px; }

.badge-row { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.badge {
  font-size: 13px;
  font-weight: 500;
  background: var(--badge-bg);
  color: var(--blue-dark);
  padding: 6px 12px;
  border-radius: 6px;
  display: inline-block;
}

/* ---------- stack técnico ---------- */

.stack-groups { display: flex; flex-direction: column; gap: 16px; }
.stack-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin: 0 0 10px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- proyecto destacado ---------- */

.proj-card { margin-top: 14px; }
.proj-title { font-size: 22px; font-weight: 700; margin: 0 0 4px; }
.proj-sub { font-size: 13px; color: var(--ink-soft); margin: 0 0 22px; }

.proj-stat-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 10px;
  margin-bottom: 26px;
}
.proj-stat { background: var(--badge-bg); border-radius: 8px; padding: 14px 16px; }
.proj-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 19px;
  color: var(--blue-dark);
}
.proj-stat-label {
  display: block;
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-top: 2px;
  line-height: 1.3;
}

.proj-h3 { font-size: 16px; font-weight: 700; margin: 0 0 8px; }
.proj-text { color: var(--ink-soft); font-size: 14.5px; line-height: 1.6; margin: 0 0 10px; }
.proj-list {
  margin: 0 0 24px;
  padding-left: 20px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}
.proj-list:last-child { margin-bottom: 0; }

/* ---------- blog ---------- */

.blog-feature {
  display: block;
  background: var(--dark);
  color: #fff;
  border-radius: 12px;
  padding: 28px;
  margin-bottom: 14px;
}
.blog-feature-meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--dark-accent); }
.blog-feature-title { font-size: 20px; font-weight: 700; margin: 8px 0; }
.blog-feature-excerpt { opacity: 0.85; font-size: 14.5px; margin: 0; line-height: 1.55; }

.blog-list { display: flex; flex-direction: column; gap: 10px; }
.blog-list-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--ink);
  align-items: center;
}
.blog-item-title { font-size: 14.5px; font-weight: 600; }
.blog-item-tag {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--blue);
  white-space: nowrap;
}

/* ---------- contacto ---------- */

.contact-card {
  background: var(--dark);
  border-radius: 14px;
  padding: 36px;
  color: #fff;
}
.contact-card .eyebrow { color: var(--dark-accent); }
.contact-list {
  font-size: 14.5px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0.9;
  list-style: none;
  margin: 0;
  padding: 0;
}
.contact-list a { color: #fff; text-decoration: underline; }

/* ---------- footer ---------- */

.site-footer {
  padding-top: 22px;
  padding-bottom: 32px;
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--ink-soft);
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- single blog post ---------- */

.post-header { padding-bottom: 8px; }
.post-header .post-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
}
.post-header h1 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
  margin: 10px 0 0;
  letter-spacing: -0.01em;
}

.post-body { max-width: 68ch; font-size: 16px; line-height: 1.7; }
.post-body p { margin: 0 0 20px; }
.post-body h2 { font-size: 20px; font-weight: 700; margin: 34px 0 12px; }
.post-body strong { font-weight: 600; }
.post-body code {
  font-family: var(--font-mono);
  background: var(--badge-bg);
  color: var(--blue-dark);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.back-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--blue);
  display: inline-block;
  margin-bottom: 20px;
}
.back-link:hover { color: var(--blue-dark); }