/*
Theme Name: Observatorio DPA
Theme URI: https://delpapelalalgoritmo.com/
Author: Fernando Gabriel Gutiérrez / Del Papel al Algoritmo LABS
Author URI: https://delpapelalalgoritmo.com/
Description: Tema institucional liviano para el Observatorio de Inteligencia Artificial en Bibliotecas de América Latina. Diseñado para informes, casos relevados, metodología y publicaciones.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: observatorio-dpa
Tags: education, blog, custom-logo, custom-menu, featured-images, accessibility-ready
*/

:root {
  --obs-bg: #f7f4ee;
  --obs-paper: #ffffff;
  --obs-text: #151515;
  --obs-muted: #5f6368;
  --obs-primary: #13213c;
  --obs-accent: #6d3fd1;
  --obs-line: #ded8ce;
  --obs-soft: #eee8df;
  --obs-radius: 18px;
  --obs-max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--obs-bg);
  color: var(--obs-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.65;
}
a { color: var(--obs-primary); text-decoration-thickness: 0.08em; text-underline-offset: 0.18em; }
a:hover { color: var(--obs-accent); }
img { max-width: 100%; height: auto; }

.site-header {
  background: rgba(247, 244, 238, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--obs-line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  max-width: var(--obs-max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-branding { display: flex; align-items: center; gap: 12px; }
.custom-logo { max-height: 44px; width: auto; }
.site-title { margin: 0; font-size: 1rem; line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }
.site-title a { text-decoration: none; color: var(--obs-primary); }
.site-description { margin: 4px 0 0; color: var(--obs-muted); font-size: 0.82rem; }
.primary-menu { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; justify-content: flex-end; }
.primary-menu ul { list-style: none; display: flex; gap: 18px; padding: 0; margin: 0; flex-wrap: wrap; }
.primary-menu a { text-decoration: none; font-size: 0.9rem; font-weight: 700; color: var(--obs-primary); }
.primary-menu a:hover { color: var(--obs-accent); }

.obs-wrap { max-width: var(--obs-max); margin: 0 auto; padding: 56px 24px; }
.hero {
  padding: 72px 0 44px;
  border-bottom: 1px solid var(--obs-line);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--obs-line);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--obs-primary);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--obs-soft);
}
.hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 44px; align-items: end; }
h1, h2, h3 { color: var(--obs-primary); line-height: 1.08; letter-spacing: -0.04em; }
h1 { font-size: clamp(2.6rem, 7vw, 5.9rem); margin: 24px 0 20px; }
h2 { font-size: clamp(2rem, 4vw, 3.3rem); margin-top: 0; }
h3 { font-size: 1.45rem; margin-bottom: 8px; }
.lede { font-size: clamp(1.15rem, 2.4vw, 1.55rem); color: #343434; max-width: 820px; }
.hero-card {
  background: var(--obs-paper);
  border: 1px solid var(--obs-line);
  border-radius: var(--obs-radius);
  padding: 26px;
  box-shadow: 0 24px 50px rgba(19, 33, 60, 0.08);
}
.hero-card strong { display: block; font-size: 2.2rem; color: var(--obs-accent); line-height: 1; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.button, .wp-block-button__link, input[type="submit"], button {
  border-radius: 999px;
  border: 1px solid var(--obs-primary);
  background: var(--obs-primary);
  color: #fff !important;
  display: inline-block;
  padding: 12px 20px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}
.button.secondary, .is-style-outline .wp-block-button__link {
  background: transparent;
  color: var(--obs-primary) !important;
}
.section { padding: 64px 0; border-bottom: 1px solid var(--obs-line); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card, .post-card {
  background: var(--obs-paper);
  border: 1px solid var(--obs-line);
  border-radius: var(--obs-radius);
  padding: 26px;
}
.card p, .post-card p { color: #3f3f3f; }
.kicker { color: var(--obs-accent); font-weight: 900; font-size: 0.9rem; text-transform: uppercase; letter-spacing: .08em; }
blockquote {
  border-left: 5px solid var(--obs-accent);
  margin: 32px 0;
  padding: 8px 0 8px 22px;
  color: var(--obs-primary);
  font-size: 1.22rem;
  font-weight: 700;
}
main article { max-width: 860px; }
.entry-header { margin-bottom: 32px; }
.entry-title { font-size: clamp(2.4rem, 5vw, 4.4rem); margin: 0 0 16px; }
.entry-content h2 { margin-top: 48px; }
.entry-content table { width: 100%; border-collapse: collapse; background: #fff; }
.entry-content th, .entry-content td { border: 1px solid var(--obs-line); padding: 12px; text-align: left; }
.entry-content th { background: var(--obs-soft); color: var(--obs-primary); }

.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.post-card h2 { font-size: 1.35rem; letter-spacing: -0.02em; }
.post-meta { color: var(--obs-muted); font-size: 0.9rem; }

.site-footer { background: var(--obs-primary); color: #fff; }
.footer-inner { max-width: var(--obs-max); margin: 0 auto; padding: 38px 24px; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer a { color: #fff; }
.footer-credit { color: rgba(255,255,255,.75); font-size: .9rem; }

.screen-reader-text { position: absolute; left: -999em; }
.alignwide { max-width: var(--obs-max); }
.alignfull { margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); max-width: 100vw; }

@media (max-width: 860px) {
  .header-inner, .footer-inner { display: block; }
  .primary-menu, .primary-menu ul { justify-content: flex-start; margin-top: 12px; }
  .hero-grid, .grid-3, .grid-2, .posts-grid { grid-template-columns: 1fr; }
  .obs-wrap { padding: 36px 18px; }
  .hero { padding-top: 38px; }
}

.site-footer {
    background: #1A2E4A;
    border-top: 2px solid #008476;
    padding: 2.75rem 1.5rem 1.75rem;
    text-align: center;
}
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}
.footer-wordmark {
    font-family: 'Fraunces', Georgia, serif;
    color: #F4F1EA;
    font-size: 1.45rem;
    font-weight: 500;
    margin: 0;
    letter-spacing: 0.2px;
}
.footer-tagline {
    color: rgba(244, 241, 234, 0.62);
    font-size: 0.82rem;
    line-height: 1.55;
    max-width: 30rem;
    margin: 0.5rem auto 0;
}
.footer-byline {
    color: rgba(244, 241, 234, 0.85);
    font-size: 0.78rem;
    letter-spacing: 0.3px;
    margin: 1.4rem 0 0;
}
.footer-mail {
    display: inline-block;
    margin-top: 0.55rem;
    font-size: 0.82rem;
    color: #5DCAA5;
    text-decoration: none;
    border-bottom: 1px solid rgba(93, 202, 165, 0.4);
    padding-bottom: 1px;
}
.footer-mail:hover {
    border-bottom-color: #5DCAA5;
}
.footer-license {
    max-width: 34rem;
    margin: 1.75rem auto 0;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(244, 241, 234, 0.13);
    font-size: 0.72rem;
    line-height: 1.6;
    color: rgba(244, 241, 234, 0.5);
}
.footer-license a {
    color: rgba(244, 241, 234, 0.7);
    text-decoration: underline;
}