/* ==========================================================================
   LAYOUT PRINCIPAL, HEADER UNIFICADO Y MENÚ MÓVIL RESPONSIVE
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-4);
  }
}

/* Barra de progreso de lectura superior */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--c-turquoise-500), var(--c-red-500));
  z-index: 1200;
  transition: width 80ms linear;
}

/* ==========================================================================
   HEADER UNIFICADO (Sticky en Desktop y Móvil) CON EL LOGO ORIGINAL
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  color: var(--c-text-main);
  border-bottom: 2px solid var(--c-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
}

/* Logotipo original (Estrella de 8 puntas + NOTICIAS DEL / MUNDO ÁRABE) */
.logo-link {
  text-decoration: none;
  display: block;
  flex-shrink: 0;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-emblem {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-link:hover .logo-emblem {
  transform: rotate(45deg);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-sub {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 0.1rem;
}

.logo-main {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 0.5px;
}

/* Navegación Desktop */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text-muted);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  background-color: var(--c-bg-alt);
  color: var(--c-petroleum-900);
}

.nav-link.active {
  box-shadow: inset 0 -2px 0 var(--accent);
}

/* Acciones derechas en Desktop (Buscador + Botón Corporativo) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-search {
  position: relative;
  width: 210px;
}

.header-search-input {
  width: 100%;
  padding: 0.48rem 0.85rem 0.48rem 2.15rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--c-border-strong);
  background-color: var(--c-bg-main);
  color: var(--c-text-main);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.header-search-input::placeholder {
  color: var(--c-text-muted);
}

.header-search-input:focus {
  outline: none;
  background-color: #FFFFFF;
  color: var(--c-text-main);
  border-color: var(--c-turquoise-500);
  box-shadow: 0 0 0 3px rgba(36, 130, 111, 0.2);
}

.header-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--c-text-muted);
  pointer-events: none;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-full);
  background-color: var(--c-petroleum-900);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.header-cta:hover {
  background-color: var(--c-turquoise-500);
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* ==========================================================================
   BOTÓN HAMBURGUESA Y MENÚ MÓVIL SLIDE-OVER (<= 1024px)
   ========================================================================== */
.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border-strong);
  background: var(--c-bg-main);
  color: var(--c-petroleum-900);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: var(--c-bg-alt);
}

.hamburger-box {
  width: 20px;
  height: 14px;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--c-petroleum-900);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Backdrop y Drawer Móvil */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 42, 62, 0.65);
  backdrop-filter: blur(3px);
  z-index: 1090;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.mobile-nav-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(86vw, 360px);
  background-color: var(--c-bg-surface);
  color: var(--c-text-main);
  z-index: 1100;
  box-shadow: -8px 0 32px rgba(7, 42, 62, 0.25);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-nav-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  background-color: #ffffff;
  color: var(--c-text-main);
  border-bottom: 2px solid var(--c-border);
}

.mobile-drawer-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border-strong);
  background: var(--c-bg-main);
  color: var(--c-petroleum-900);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mobile-drawer-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex: 1;
}

.mobile-search-box {
  position: relative;
}

.mobile-search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--c-border-strong);
  background-color: var(--c-bg-main);
  color: var(--c-text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.mobile-search-input:focus {
  outline: none;
  border-color: var(--c-turquoise-500);
  background-color: #FFFFFF;
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-nav-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-petroleum-900);
  background-color: var(--c-bg-main);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}

.mobile-nav-item a:hover,
.mobile-nav-item a.active {
  background-color: var(--c-bg-alt);
  color: var(--c-turquoise-700);
  border-left-color: var(--c-turquoise-500);
}

.mobile-drawer-cta-group {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.mobile-cta-primary,
.mobile-cta-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.92rem;
  text-align: center;
  text-decoration: none;
}

.mobile-cta-primary {
  background-color: var(--c-petroleum-900);
  color: #FFFFFF;
}

.mobile-cta-secondary {
  background-color: var(--c-turquoise-500);
  color: #FFFFFF;
}

@media (max-width: 1024px) {
  .desktop-nav,
  .header-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  :root {
    --header-height: 66px;
  }
}

/* ==========================================================================
   ESTRUCTURA DE SECCIONES Y GRIDS RESPONSIVE
   ========================================================================== */
main {
  min-height: 70vh;
}

.section-block {
  padding: var(--space-12) 0;
}

.section-block.bg-alt {
  background-color: var(--c-bg-alt);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.section-block.bg-white {
  background-color: var(--c-bg-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--c-border);
}

.section-header-left {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.section-kicker {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-turquoise-700);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--c-petroleum-900);
  margin: 0;
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--c-turquoise-700);
  white-space: nowrap;
}

.section-link:hover {
  color: var(--c-red-600);
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.posts-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

@media (max-width: 1024px) {
  .posts-grid,
  .posts-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .section-block {
    padding: var(--space-8) 0;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: var(--space-6);
  }

  .posts-grid,
  .posts-grid-4 {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

/* ==========================================================================
   FOOTER CORPORATIVO DE ALTO CONTRASTE
   ========================================================================== */
.site-footer {
  background-color: var(--c-petroleum-950);
  color: var(--c-text-on-dark-muted);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 4px solid var(--c-turquoise-500);
  margin-top: var(--space-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-8);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: #FFFFFF;
  margin-bottom: var(--space-3);
}

.footer-desc {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--c-text-on-dark-muted);
  margin-bottom: var(--space-4);
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--c-text-on-dark-muted);
  font-size: 0.92rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 0.85rem;
  color: var(--c-text-on-dark-muted);
}

.sendar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #FFFFFF;
  font-size: 0.8rem;
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.sendar-badge:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

.sendar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--c-turquoise-500);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}