/* ═══════════════════════════════════════════════
   GA ESTUDIO — ESTILOS COMPARTIDOS
   No es necesario editar este archivo para
   agregar contenido. Solo editar data.js.
   ═══════════════════════════════════════════════ */

:root {
  --bg-primary: #192231;
  --bg-sidebar: #141c28;
  --bg-card: #1e2b3d;
  --text-primary: #e8ecf1;
  --text-secondary: #8a9bae;
  --accent-gold: #c9a84c;
  --accent-gold-hover: #dbbe6a;
  --border-color: #2a3a50;
  --overlay-dark: rgba(25, 34, 49, 0.75);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Average', Georgia, serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

a { color: var(--text-secondary); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent-gold); }
img { max-width: 100%; height: auto; display: block; }

/* ── SIDEBAR ── */
.sidebar {
  position: fixed; top: 0; left: 0;
  width: 260px; height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex; flex-direction: column;
  align-items: center;
  padding: 50px 30px 30px;
  z-index: 100;
}

.logo { margin-bottom: 50px; text-align: center; }
.logo a { color: var(--text-primary); }
.logo a:hover { color: var(--text-primary); }
.logo h1 {
  font-size: 28px; font-weight: 400;
  letter-spacing: 6px; text-transform: uppercase;
  line-height: 1.3;
}
.logo h1 span {
  display: block; font-size: 12px;
  letter-spacing: 10px; color: var(--accent-gold);
  margin-top: 4px;
}

.sidebar nav { width: 100%; }
.sidebar nav ul { list-style: none; width: 100%; }
.sidebar nav ul li { margin-bottom: 8px; }
.sidebar nav ul li a {
  display: block; padding: 10px 15px;
  font-size: 13px; letter-spacing: 3px;
  text-transform: uppercase;
  border-left: 2px solid transparent;
}
.sidebar nav ul li a:hover,
.sidebar nav ul li a.active {
  color: var(--accent-gold);
  border-left-color: var(--accent-gold);
}

.sidebar-footer {
  margin-top: auto; text-align: center; width: 100%;
  padding-top: 20px; border-top: 1px solid var(--border-color);
}

.sidebar-contact {
  font-size: 11px; letter-spacing: 1px;
  color: var(--text-secondary); margin-bottom: 15px;
  line-height: 1.8;
}

.social-links {
  display: flex; justify-content: center; gap: 20px;
}
.social-links a {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
}

/* ── MOBILE NAV ── */
.mobile-header {
  display: none; position: fixed;
  top: 0; left: 0; right: 0; height: 60px;
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  z-index: 200; align-items: center;
  justify-content: space-between; padding: 0 20px;
}
.mobile-header a { color: var(--text-primary); }
.mobile-header h1 {
  font-size: 18px; font-weight: 400;
  letter-spacing: 4px; text-transform: uppercase;
}
.mobile-header h1 span {
  color: var(--accent-gold); font-size: 10px; letter-spacing: 6px;
}
.hamburger {
  background: none; border: none;
  color: var(--text-primary); font-size: 24px; cursor: pointer;
}
.mobile-nav {
  display: none; position: fixed;
  top: 60px; left: 0; right: 0; bottom: 0;
  background: var(--bg-sidebar); z-index: 199; padding: 30px 20px;
}
.mobile-nav.open { display: block; }
.mobile-nav ul { list-style: none; }
.mobile-nav ul li a {
  display: block; padding: 15px 10px;
  font-size: 14px; letter-spacing: 3px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-color);
}
.mobile-nav ul li a:hover,
.mobile-nav ul li a.active { color: var(--accent-gold); }

/* ── MAIN ── */
.main-content {
  margin-left: 260px; padding: 40px 50px;
  min-height: 100vh;
}

/* ── PAGE TITLE ── */
.page-title {
  font-size: 13px; font-weight: 400;
  letter-spacing: 4px; text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 30px; padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

/* ── SECTION TITLE ── */
.section-title {
  font-size: 13px; font-weight: 400;
  letter-spacing: 4px; text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 25px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

/* ── PORTFOLIO GRID ── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 40px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 18px;
  font-family: 'Average', Georgia, serif;
  font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; cursor: pointer;
  transition: all 0.3s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--bg-primary);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.project-card {
  position: relative; overflow: hidden;
  aspect-ratio: 640 / 450;
  background: var(--bg-card);
  cursor: pointer;
  transition: border-color 0.3s;
}
.project-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover img { transform: scale(1.03); }

.project-card .overlay {
  position: absolute; inset: 0;
  background: var(--overlay-dark);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 20px;
  opacity: 0; transition: opacity 0.3s ease;
}
.project-card:hover .overlay { opacity: 1; }

.project-card .overlay h3 {
  font-size: 15px; font-weight: 400;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-primary); margin-bottom: 8px;
}
.project-card .overlay .sep {
  width: 30px; height: 1px;
  background: var(--accent-gold); margin-bottom: 8px;
}
.project-card .overlay .cats {
  font-size: 11px; color: var(--accent-gold);
  letter-spacing: 1px;
}
.project-card.hidden { display: none; }

/* ── NEWS GRID ── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: border-color 0.3s;
  overflow: hidden;
}
.news-card:hover { border-color: var(--accent-gold); }
.news-card a { color: inherit; display: block; }
.news-card img {
  width: 100%; aspect-ratio: 300/211; object-fit: cover;
}
.news-card .news-info { padding: 18px; }
.news-card .news-info h3 {
  font-size: 14px; font-weight: 400;
  line-height: 1.5; margin-bottom: 8px;
  color: var(--text-primary);
}
.news-card .news-info p {
  font-size: 12px; line-height: 1.6;
  color: var(--text-secondary);
}
.news-card .news-date {
  font-size: 11px; color: var(--accent-gold);
  letter-spacing: 1px; margin-top: 10px;
}

/* ── ESTUDIO ── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; margin-bottom: 60px;
}
.about-grid .lang-label {
  font-size: 11px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent-gold);
  margin-bottom: 12px;
}
.about-grid p {
  font-size: 14px; line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 15px; text-align: justify;
}

.section-block { margin-bottom: 50px; }

.founders-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 30px; margin-bottom: 25px;
}
.founder-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 25px; transition: border-color 0.3s;
}
.founder-card:hover { border-color: var(--accent-gold); }
.founder-card h3 {
  font-size: 16px; font-weight: 400;
  letter-spacing: 1px; margin-bottom: 5px;
}
.founder-card .role {
  font-size: 12px; color: var(--accent-gold);
  letter-spacing: 2px; text-transform: uppercase;
}
.collaborators h4 {
  font-size: 12px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--text-secondary);
  margin-bottom: 8px; margin-top: 20px;
}
.collaborators p {
  font-size: 13px; line-height: 1.8; color: var(--text-secondary);
}

.pub-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}
.pub-card {
  text-align: center;
}
.pub-card img {
  width: 120px; height: 120px;
  object-fit: cover; margin: 0 auto 12px;
  border: 1px solid var(--border-color);
}
.pub-card h4 {
  font-size: 12px; font-weight: 400;
  color: var(--text-primary); margin-bottom: 2px;
}
.pub-card .pub-country {
  font-size: 11px; color: var(--accent-gold);
  letter-spacing: 1px;
}

/* ── CONTACTO ── */
.contact-block { margin-bottom: 35px; }
.contact-label {
  font-size: 11px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--text-secondary);
  margin-bottom: 10px;
}
.contact-value {
  font-size: 18px; color: var(--text-primary); line-height: 1.6;
}
.contact-value a {
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2px;
}
.contact-value a:hover {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}
.contact-social {
  display: flex; gap: 30px; margin-top: 10px;
}
.contact-social a {
  color: var(--text-primary); font-size: 14px;
  letter-spacing: 2px; text-transform: uppercase;
  border-bottom: 1px solid var(--border-color); padding-bottom: 2px;
}
.contact-social a:hover {
  color: var(--accent-gold); border-bottom-color: var(--accent-gold);
}
.decorative-line {
  width: 60px; height: 1px;
  background: var(--accent-gold);
  margin: 40px 0; opacity: 0.5;
}

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .sidebar { display: none; }
  .mobile-header { display: flex; }
  .main-content { margin-left: 0; padding: 80px 20px 30px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .founders-grid { grid-template-columns: 1fr; }
  .pub-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .project-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .pub-grid { grid-template-columns: repeat(2, 1fr); }
}