/* Adriana L. Hernández Castañeda, personal site
   Palette: ink on warm paper, teal accent. No external fonts, no JS frameworks. */

:root {
  --paper: #faf8f4;
  --ink: #20242a;
  --muted: #5c6470;
  --teal: #166a6a;
  --teal-dark: #0e4f4f;
  --line: #e4dfd6;
  --card: #ffffff;
  --badge: #f0ece3;
  --maxw: 46rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .serif {
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--teal-dark); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* ---------- header / nav ---------- */
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.nav {
  max-width: var(--maxw); margin: 0 auto; padding: 1rem 1.25rem;
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.nav .brand {
  font-family: Georgia, serif; font-size: 1.05rem; font-weight: 700; color: var(--ink);
  text-decoration: none; letter-spacing: 0.01em;
}
.nav nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.nav nav a {
  font-size: 0.92rem; color: var(--muted); text-decoration: none;
  padding-bottom: 2px; border-bottom: 2px solid transparent;
}
.nav nav a:hover { color: var(--teal-dark); }
.nav nav a[aria-current="page"] { color: var(--teal); border-bottom-color: var(--teal); }
.nav nav a.lang { color: var(--teal); font-weight: 600; }

/* ---------- hero ---------- */
.hero { padding: 3.2rem 0 2.2rem; }
.hero h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); margin: 0 0 0.4rem; }
.hero .role { color: var(--teal); font-size: 1.12rem; font-weight: 600; margin: 0 0 1.2rem; }
.hero p.lede { font-size: 1.08rem; margin: 0 0 1rem; max-width: 42rem; }
.hero .actions { margin-top: 1.4rem; display: flex; gap: 0.7rem; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 0.5rem 1rem; border-radius: 6px;
  font-size: 0.95rem; font-weight: 600; text-decoration: none;
  border: 1.5px solid var(--teal); transition: background 0.15s;
}
.btn.primary { background: var(--teal); color: #fff; }
.btn.primary:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }
.btn.ghost { color: var(--teal); background: transparent; }
.btn.ghost:hover { background: rgba(22, 106, 106, 0.08); }

/* ---------- sections ---------- */
main { padding-bottom: 3rem; }
section.block { padding: 1.6rem 0; }
section.block + section.block { border-top: 1px solid var(--line); }
h2 { font-size: 1.45rem; margin: 0 0 1rem; }
h2 .kicker, .kicker {
  display: block; font-family: system-ui, sans-serif; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); margin-bottom: 0.3rem;
}

/* ---------- publication list ---------- */
.pub { padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.pub:last-child { border-bottom: none; }
.pub h3 { font-size: 1.12rem; margin: 0 0 0.25rem; }
.pub .meta { color: var(--muted); font-size: 0.92rem; margin: 0 0 0.45rem; }
.pub p { margin: 0.35rem 0; }
.pub .links { font-size: 0.92rem; display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 0.45rem; }
details.bibtex { margin-top: 0.5rem; font-size: 0.85rem; }
details.bibtex summary { cursor: pointer; color: var(--muted); }
details.bibtex pre {
  background: #f1eee7; border: 1px solid var(--line); border-radius: 6px;
  padding: 0.75rem; overflow-x: auto; font-size: 0.78rem; line-height: 1.45;
}

/* ---------- project cards ---------- */
.cards { display: grid; gap: 1.1rem; margin-top: 1.2rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.3rem 1.4rem;
}
.card h3 { margin: 0 0 0.35rem; font-size: 1.18rem; }
.card .sub { color: var(--muted); font-size: 0.92rem; margin: 0 0 0.6rem; }
.card p { margin: 0.4rem 0; }
.badge {
  display: inline-block; background: var(--badge); color: var(--teal-dark);
  border: 1px solid var(--line); border-radius: 999px;
  font-size: 0.78rem; font-weight: 600; padding: 0.15rem 0.7rem; margin-bottom: 0.6rem;
}
.badge.live { background: #e3f1ec; border-color: #bfded2; }
.card .links { margin-top: 0.6rem; font-size: 0.92rem; display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* ---------- about / prose ---------- */
.prose p { margin: 0 0 1rem; }
.prose .es-note { color: var(--muted); font-size: 0.95rem; }

/* ---------- contact footer ---------- */
.contact-strip {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.2rem 1.4rem; margin-top: 1.6rem;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.contact-strip .links { display: flex; gap: 1.1rem; flex-wrap: wrap; font-size: 0.95rem; }

footer.site {
  border-top: 1px solid var(--line); padding: 1.4rem 0 2.2rem; color: var(--muted); font-size: 0.85rem;
}
footer.site .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ---------- cv page ---------- */
.cv-embed { width: 100%; height: 78vh; border: 1px solid var(--line); border-radius: 8px; background: #fff; }

@media (max-width: 640px) {
  .hero { padding: 2.2rem 0 1.6rem; }
  .cv-embed { height: 60vh; }
}

@media print {
  header.site, footer.site, .actions { display: none; }
}

/* ---------- project subpages ---------- */
.pwide { max-width: 54rem; }
.crumb { font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); font-weight: 700; margin: 0 0 0.5rem; }
.statband { display: grid; grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); gap: 0.9rem; margin: 1.5rem 0 0.5rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 0.9rem 1rem; }
.stat b { display: block; font-family: Georgia, serif; font-size: 1.55rem; line-height: 1.15; color: var(--teal-dark); }
.stat span { font-size: 0.82rem; color: var(--muted); }
.figblock { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 0.8rem; margin: 1.2rem 0; }
.figblock img { width: 100%; height: auto; display: block; border-radius: 6px; }
.figblock figcaption { font-size: 0.85rem; color: var(--muted); padding: 0.55rem 0.3rem 0.1rem; }
.dashframe { width: 100%; height: 660px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.btnrow { display: flex; gap: 0.7rem; flex-wrap: wrap; margin: 1.3rem 0 0.3rem; }
.notebox { background: var(--badge); border-left: 4px solid var(--teal); border-radius: 0 8px 8px 0; padding: 0.9rem 1.1rem; font-size: 0.95rem; margin: 1.2rem 0; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}