/* ===================================================
   SARGAZO UNAM – v2 Design System
   =================================================== */

:root {
  --primary:       #00636e;
  --primary-dark:  #002d32;
  --primary-mid:   #004a52;
  --primary-light: #17b3c3;
  --accent:        #e0f5f7;
  --text:          #1a2e35;
  --text-muted:    #5a7077;
  --bg:            #f4fafb;
  --white:         #ffffff;
  --border:        #cde8eb;
  --shadow-sm:     0 2px 10px rgba(0,99,110,.10);
  --shadow-md:     0 4px 24px rgba(0,99,110,.15);
  --radius:        12px;
  --radius-sm:     8px;
  --transition:    all .3s ease;
}

/* ── Reset & Base ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); transition: var(--transition); }
a:hover { color: var(--primary-light); }

/* ── Top Bar (social) ─────────────────────────── */
.top-bar {
  background: var(--primary-dark);
  padding: 6px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}
.top-bar a {
  color: rgba(255,255,255,.75);
  font-size: 17px;
  padding: 4px 8px;
  border-radius: 6px;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.top-bar a:hover { color: #fff; background: rgba(255,255,255,.15); }
.top-bar .lang-btn {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;
  border: 1px solid rgba(255,255,255,.3);
  padding: 3px 10px;
}

/* ── Sticky Navbar ────────────────────────────── */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary);
  box-shadow: 0 2px 16px rgba(0,0,0,.2);
  transition: var(--transition);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 0;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  text-decoration: none;
  margin-right: 12px;
}
.nav-logo img { height: 44px; width: auto; }
.nav-logo span {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .3px;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: stretch;
  flex: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.9);
  text-decoration: none;
  padding: 16px 14px;
  font-size: 14.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}
.nav-links > li > a:hover,
.nav-links > li > a.active {
  color: #fff;
  background: rgba(255,255,255,.12);
  border-bottom-color: var(--primary-light);
}
.nav-links > li > a i { font-size: 15px; }

/* dropdown */
.nav-links .dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  background: var(--white);
  min-width: 200px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 6px 0;
  border: 1px solid var(--border);
  list-style: none;
  margin: 0;
  z-index: 200;
}
.nav-links li:hover .dropdown-menu { display: block; }
.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}
.dropdown-menu li a:hover {
  background: var(--accent);
  color: var(--primary);
}
.dropdown-toggle::after {
  content: '';
  display: inline-block;
  border: 4px solid transparent;
  border-top-color: rgba(255,255,255,.7);
  margin-left: 4px;
  margin-top: 3px;
  vertical-align: middle;
}

/* hamburger */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 26px;
  cursor: pointer;
  margin-left: auto;
  padding: 8px;
}

/* Mobile drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 280px;
  height: 100%;
  background: var(--primary-dark);
  z-index: 2000;
  transform: translateX(-100%);
  transition: transform .3s ease;
  overflow-y: auto;
  padding: 0 0 40px;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.drawer-header span {
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}
.drawer-close {
  background: none;
  border: none;
  color: rgba(255,255,255,.7);
  font-size: 26px;
  cursor: pointer;
}
.drawer-links { list-style: none; margin: 0; padding: 12px 0; }
.drawer-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: 15px;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.drawer-links a:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
  border-left-color: var(--primary-light);
}
.drawer-links .section-label {
  padding: 8px 24px 4px;
  color: rgba(255,255,255,.4);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1999;
}
.drawer-overlay.open { display: block; }

/* ── Hero Section ─────────────────────────────── */
.hero {
  position: relative;
  height: 480px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--primary-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/sargazo/115.png');
  background-size: cover;
  background-position: center;
  filter: brightness(.55);
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.04); }
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 0 48px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(23,179,195,.25);
  border: 1px solid rgba(23,179,195,.5);
  color: #7ee8f2;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin: 0 0 16px;
}
.hero-title span { color: var(--primary-light); }
.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,.82);
  margin: 0 0 28px;
  max-width: 540px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-hero-primary {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 14.5px;
  padding: 11px 26px;
  border-radius: 8px;
  text-decoration: none;
  transition: var(--transition);
  border: 2px solid var(--primary-light);
}
.btn-hero-primary:hover {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
}
.btn-hero-outline {
  background: transparent;
  color: rgba(255,255,255,.9);
  font-weight: 600;
  font-size: 14.5px;
  padding: 11px 26px;
  border-radius: 8px;
  text-decoration: none;
  transition: var(--transition);
  border: 2px solid rgba(255,255,255,.5);
}
.btn-hero-outline:hover {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-color: rgba(255,255,255,.8);
}

/* ── Stats Strip ──────────────────────────────── */
.stats-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.stats-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 22px 24px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  display: block;
}
.stat-label {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .5px;
  font-weight: 500;
}

/* ── News Ticker ──────────────────────────────── */
.news-ticker {
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 10px 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 0;
}
.ticker-label {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 14px;
  white-space: nowrap;
  margin-right: 16px;
  flex-shrink: 0;
}
.ticker-track {
  overflow: hidden;
  flex: 1;
}
.ticker-text {
  display: inline-block;
  white-space: nowrap;
  animation: ticker 20s linear infinite;
  color: rgba(255,255,255,.9);
  font-size: 14px;
}
.ticker-text a {
  color: rgba(255,255,255,.9);
  text-decoration: none;
}
.ticker-text a:hover { color: var(--primary-light); }
@keyframes ticker {
  0%   { transform: translateX(100vw); }
  100% { transform: translateX(-100%); }
}

/* ── Main Layout ──────────────────────────────── */
.page-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 36px;
  align-items: start;
}

/* ── Article (left column) ────────────────────── */
.article-section {}
.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.section-heading h2 {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin: 0;
}
.section-heading .heading-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), transparent);
  border-radius: 2px;
}
.article-text {
  font-size: 15.5px;
  line-height: 1.75;
  color: #2c4048;
  margin-bottom: 24px;
}
.article-text em { color: var(--primary); font-style: italic; }

/* ── Carousel ─────────────────────────────────── */
.carousel-wrapper {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: 28px 0;
  position: relative;
  aspect-ratio: 16/7;
  background: var(--primary-dark);
}
.carousel-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.carousel-slides {
  position: relative;
  width: 100%;
  height: 100%;
}
.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .6s ease;
}
.carousel-slide.active { opacity: 1; }
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,.45);
  border: none;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--transition);
}
.carousel-btn:hover { background: rgba(0,0,0,.7); }
.carousel-btn.prev { left: 14px; }
.carousel-btn.next { right: 14px; }
.carousel-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}
.carousel-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.5);
  cursor: pointer;
  transition: var(--transition);
}
.carousel-dots span.active { background: #fff; transform: scale(1.3); }

/* ── Sidebar ──────────────────────────────────── */
.sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}
.sidebar-card-header {
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-mid) 100%);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-card-header h3 {
  color: #fff;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}
.sidebar-card-header i { color: var(--primary-light); font-size: 18px; }
.sidebar-card-body { padding: 0; }

/* Tab nav inside sidebar */
.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: #fafefe;
}
.sidebar-tab-btn {
  flex: 1;
  padding: 10px 6px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.sidebar-tab-btn:hover { color: var(--primary); background: var(--accent); }
.sidebar-tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--white);
}
.sidebar-tab-panel { display: none; padding: 16px; }
.sidebar-tab-panel.active { display: block; }

/* Publication mini-card */
.pub-mini {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 12px;
  background: #fafefe;
  font-size: 13.5px;
  line-height: 1.55;
  transition: var(--transition);
}
.pub-mini:last-of-type { margin-bottom: 8px; }
.pub-mini:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.pub-mini-authors { color: var(--text-muted); font-size: 12px; }
.pub-mini-title { font-weight: 600; color: var(--text); margin: 2px 0; }
.pub-mini-source { font-size: 12px; color: var(--primary); }
.pub-mini a { text-decoration: none; color: inherit; }
.pub-mini a:hover .pub-mini-title { color: var(--primary); }

/* Video card */
.video-embed {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16/9;
  margin-bottom: 10px;
  background: #000;
}
.video-embed iframe { width: 100%; height: 100%; border: none; display: block; }
.video-title { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 4px; line-height: 1.45; }
.video-meta { font-size: 12px; color: var(--text-muted); }

/* Interview card */
.interview-mini {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.interview-mini:last-child { border-bottom: none; }
.interview-source-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.interview-source-icon img { width: 100%; height: 100%; object-fit: cover; }
.interview-info { flex: 1; min-width: 0; }
.interview-source-name { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }
.interview-headline { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.4; }
.interview-mini a { text-decoration: none; color: inherit; }
.interview-mini a:hover .interview-headline { color: var(--primary); }

/* Sidebar see-all link */
.see-all-link {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 16px 16px;
  text-decoration: none;
}
.see-all-link:hover { color: var(--primary-light); }

/* ── Quick Links Cards ────────────────────────── */
.quick-links {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}
.quick-links-header {
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-mid));
  display: flex;
  align-items: center;
  gap: 10px;
}
.quick-links-header h3 {
  color: #fff;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}
.quick-links-header i { color: var(--primary-light); font-size: 18px; }
.quick-links-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.ql-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 12px;
  background: var(--white);
  text-decoration: none;
  transition: var(--transition);
  text-align: center;
}
.ql-item:hover { background: var(--accent); }
.ql-item i { font-size: 22px; color: var(--primary); }
.ql-item span { font-size: 13px; font-weight: 600; color: var(--text); }

/* ── Footer ───────────────────────────────────── */
.site-footer {
  background: linear-gradient(rgba(0,0,0,.75), rgba(0,0,0,.75)),
              url('../img/sargazo/10.jpg') center/cover no-repeat;
  color: rgba(255,255,255,.88);
  padding: 56px 24px 24px;
  margin-top: 56px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-brand-logo { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
.footer-brand-logo img { height: 52px; filter: brightness(0) invert(1) opacity(.85); }
.footer-tagline { font-size: 14px; color: rgba(255,255,255,.65); line-height: 1.65; }
.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary-light);
  margin-bottom: 16px;
}
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  color: rgba(255,255,255,.65);
  text-decoration: none;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.footer-links a i { font-size: 14px; color: var(--primary-light); }
.footer-links a:hover { color: rgba(255,255,255,.95); padding-left: 4px; }
.footer-contact p {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  line-height: 1.7;
  margin: 0;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-bottom: 8px;
}
.footer-contact p i { color: var(--primary-light); margin-top: 3px; flex-shrink: 0; }
.footer-bottom {
  max-width: 1280px;
  margin: 24px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy { font-size: 13px; color: rgba(255,255,255,.5); line-height: 1.5; max-width: 620px; }
.footer-social { display: flex; gap: 8px; }
.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  font-size: 16px;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,.12);
}
.social-btn:hover { background: var(--primary-light); color: var(--primary-dark); border-color: var(--primary-light); }

/* ── Back-to-top ──────────────────────────────── */
.back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 500;
}
.back-top.visible { opacity: 1; pointer-events: all; }
.back-top:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-3px); }

/* ── Responsive ───────────────────────────────── */
@media (max-width: 1024px) {
  .page-content { grid-template-columns: 1fr 340px; gap: 24px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-top: 1px solid var(--border); }
  .stat-item:nth-child(4) { border-top: 1px solid var(--border); border-right: none; }

  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .mobile-drawer { display: block; }
  .nav-logo span { display: none; }

  .hero { height: 360px; }
  .hero-content { padding: 0 24px; }
  .hero-title { font-size: 1.75rem; }
  .hero-subtitle { display: none; }

  .page-content {
    grid-template-columns: 1fr;
    padding: 28px 16px;
  }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .quick-links-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .hero { height: 300px; }
  .hero-actions { flex-direction: column; }
  .btn-hero-primary, .btn-hero-outline { text-align: center; }
  .top-bar .lang-btn { display: inline-flex; }
}