/* main.css — estilos globales de la web personal.
   Sin fuentes de fuera: la CSP de _headers solo permite recursos del propio dominio. */

:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --ink: #1b1d22;
  --muted: #5b6070;
  --line: #e2e0d8;
  --accent: #1f5f8b;
  --accent-ink: #ffffff;
  --beta: #8a5a00;
  --beta-bg: #fbefd6;
  --ok: #2f6b3a;
  --ok-bg: #e3f1e5;
  --chip: #efede6;

  --f-display: ui-serif, Georgia, "Times New Roman", serif;
  --f-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --radius: 12px;
  --wrap: 1040px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --surface: #1c1f25;
    --ink: #e8e9ec;
    --muted: #9aa0ad;
    --line: #2d313a;
    --accent: #6cb4e6;
    --accent-ink: #0d1b26;
    --beta: #f2c46b;
    --beta-bg: #3a2d12;
    --ok: #8fd19b;
    --ok-bg: #1b3220;
    --chip: #262a32;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 var(--f-body);
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 { font-family: var(--f-display); font-weight: 600; line-height: 1.15; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.35rem; }
p { margin: 0; }

a { color: var(--accent); }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 32px; } }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--surface); padding: 8px 12px; border-radius: 6px;
}
.skip:focus { left: 8px; }

/* Cabecera */
.hero { padding: 88px 0 72px; border-bottom: 1px solid var(--line); }
.eyebrow {
  font: 600 0.78rem/1 var(--f-mono);
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent); margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2.4rem, 7vw, 4.2rem); letter-spacing: -0.02em; }
.lede { margin-top: 24px; max-width: 62ch; font-size: 1.15rem; color: var(--muted); }
.hero-nav { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.hero-nav a { color: var(--ink); text-decoration: none; font-weight: 600; border-bottom: 2px solid var(--line); padding-bottom: 2px; }
.hero-nav a:hover { border-color: var(--accent); }

/* Secciones */
.section { padding: 72px 0; }
.section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { display: grid; gap: 8px; margin-bottom: 36px; }
.section-head p { color: var(--muted); }

/* Proyectos */
.projects {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
@media (max-width: 360px) { .projects { grid-template-columns: 1fr; } }

.project {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.project-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.project-desc { color: var(--muted); font-size: 0.98rem; flex: 1; }
.project-link {
  font: 600 0.92rem var(--f-mono);
  text-decoration: none; align-self: flex-start;
}
.project-link:hover { text-decoration: underline; }

.status {
  font: 600 0.72rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: 0.08em;
  padding: 5px 8px; border-radius: 6px; white-space: nowrap;
  background: var(--ok-bg); color: var(--ok);
}
.status.beta { background: var(--beta-bg); color: var(--beta); }

.stack { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.stack li {
  font: 500 0.78rem/1 var(--f-mono);
  background: var(--chip); color: var(--ink);
  padding: 6px 8px; border-radius: 5px;
}
.stack.big { margin-top: 20px; gap: 8px; }
.stack.big li { font-size: 0.9rem; padding: 8px 12px; }

/* Cómo trabajo */
.method { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.method li { border-top: 3px solid var(--accent); padding-top: 16px; display: grid; gap: 8px; align-content: start; }
.method h3 { font-size: 1.2rem; }
.method p { color: var(--muted); font-size: 0.98rem; }

/* Trayectoria */
.two-col { display: grid; gap: 48px; }
@media (min-width: 860px) { .two-col { grid-template-columns: 3fr 2fr; } }

.timeline { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 22px; }
.timeline li { display: grid; gap: 2px; padding-left: 18px; border-left: 2px solid var(--line); }
.timeline li:first-child { border-color: var(--accent); }
.when { font: 600 0.8rem var(--f-mono); color: var(--accent); }
.what { font-weight: 600; }
.where { color: var(--muted); font-size: 0.95rem; }
.edu { margin-top: 24px; color: var(--muted); }

/* Contacto */
.contact-lede { margin: 12px 0 24px; color: var(--muted); }
.button {
  display: inline-block; text-decoration: none;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 600; padding: 12px 20px; border-radius: 8px;
}
.button:hover { filter: brightness(1.08); }

/* Pie */
.footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 0.88rem; }
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

/* Página 404 */
.notfound { min-height: 70vh; display: grid; align-content: center; gap: 20px; padding: 64px 0; }
.notfound h1 { font-size: clamp(2rem, 6vw, 3.2rem); }
.notfound p { color: var(--muted); }