/*
Theme Name: IUC Starter
Theme URI: https://iuc-la.eu
Author: IUC-LA
Description: Plataforma de ciudades sostenibles de América Latina
Version: 1.0.0
Text Domain: iuc-starter
License: GPL-2.0-or-later
*/

/* ============================================
   CSS Variables
   ============================================ */
:root {
  --iuc-deep-blue: #1A3557;
  --iuc-teal: #0D9B8A;
  --iuc-gold: #F5A623;
  --iuc-light-gray: #F2F4F7;
  --iuc-white: #FFFFFF;
  --iuc-text: #333333;
  --iuc-text-light: #666666;
  --iuc-border: #DEE2E6;
  --iuc-radius: 4px;
  --iuc-container: 1100px;
  --iuc-font: 'Nunito Sans', sans-serif;
  --iuc-transition: 0.2s ease;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--iuc-font);
  font-weight: 400;
  line-height: 1.7;
  color: var(--iuc-text);
  background: var(--iuc-white);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--iuc-teal);
  text-decoration: none;
  transition: color var(--iuc-transition);
}

a:hover {
  color: var(--iuc-deep-blue);
}

ul, ol {
  list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  color: var(--iuc-deep-blue);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.6em;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }

p {
  margin-bottom: 1.2em;
}

/* ============================================
   Layout
   ============================================ */
.iuc-wrap {
  max-width: var(--iuc-container);
  margin: 0 auto;
  padding: 0 20px;
}

.iuc-section {
  padding: 60px 0;
}

.iuc-section--alt {
  background: var(--iuc-light-gray);
}

/* ============================================
   Header / Masthead
   ============================================ */
.iuc-masthead {
  background: var(--iuc-white);
  border-bottom: 2px solid var(--iuc-light-gray);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.iuc-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--iuc-container);
  margin: 0 auto;
  padding: 12px 20px;
}

.iuc-brand img {
  height: 72px;
  width: auto;
}

.iuc-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.iuc-nav ul {
  display: flex;
  gap: 4px;
}

.iuc-nav ul li a {
  display: block;
  padding: 8px 14px;
  color: var(--iuc-deep-blue);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--iuc-radius);
  transition: background var(--iuc-transition);
}

.iuc-nav ul li a:hover,
.iuc-nav ul li.current-menu-item a,
.iuc-nav ul li.current_page_item a {
  background: var(--iuc-light-gray);
  color: var(--iuc-teal);
}

/* Language Switcher */
.iuc-lang {
  display: flex;
  gap: 2px;
  margin-left: 16px;
  border: 1px solid var(--iuc-border);
  border-radius: var(--iuc-radius);
  overflow: hidden;
}

.iuc-lang a,
.iuc-lang span {
  display: block;
  padding: 4px 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--iuc-text-light);
  text-transform: uppercase;
  transition: background var(--iuc-transition), color var(--iuc-transition);
}

.iuc-lang a:hover {
  background: var(--iuc-light-gray);
  color: var(--iuc-deep-blue);
}

.iuc-lang .current-lang {
  background: var(--iuc-deep-blue);
  color: var(--iuc-white);
}

/* Mobile Toggle */
.iuc-ham-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.iuc-ham-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--iuc-deep-blue);
  margin: 5px 0;
  transition: transform var(--iuc-transition), opacity var(--iuc-transition);
}

.iuc-ham-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.iuc-ham-btn.active span:nth-child(2) {
  opacity: 0;
}

.iuc-ham-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Cards (Bordered Style — PBN-safe)
   ============================================ */
.iuc-card {
  border: 1px solid var(--iuc-border);
  border-radius: var(--iuc-radius);
  overflow: hidden;
  transition: border-color var(--iuc-transition);
}

.iuc-card:hover {
  border-color: var(--iuc-teal);
}

.iuc-card__img {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.iuc-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.iuc-card__body {
  padding: 20px;
}

.iuc-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.iuc-card__title a {
  color: var(--iuc-deep-blue);
}

.iuc-card__title a:hover {
  color: var(--iuc-teal);
}

.iuc-card__excerpt {
  font-size: 0.9375rem;
  color: var(--iuc-text-light);
  line-height: 1.6;
}

.iuc-card__meta {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  font-size: 0.8125rem;
  color: var(--iuc-text-light);
}

.iuc-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================
   Buttons
   ============================================ */
.iuc-btn {
  display: inline-block;
  padding: 10px 24px;
  font-family: var(--iuc-font);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--iuc-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--iuc-transition), color var(--iuc-transition), border-color var(--iuc-transition);
}

.iuc-btn--primary {
  background: var(--iuc-teal);
  color: var(--iuc-white);
}

.iuc-btn--primary:hover {
  background: var(--iuc-deep-blue);
  color: var(--iuc-white);
}

.iuc-btn--outline {
  background: transparent;
  color: var(--iuc-teal);
  border-color: var(--iuc-teal);
}

.iuc-btn--outline:hover {
  background: var(--iuc-teal);
  color: var(--iuc-white);
}

/* ============================================
   Badges / Tags
   ============================================ */
.iuc-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 2px;
  background: var(--iuc-light-gray);
  color: var(--iuc-deep-blue);
}

.iuc-badge--teal {
  background: rgba(13, 155, 138, 0.12);
  color: var(--iuc-teal);
}

.iuc-badge--gold {
  background: rgba(245, 166, 35, 0.15);
  color: #c47d00;
}

/* ============================================
   Footer
   ============================================ */
.iuc-foot {
  background: var(--iuc-deep-blue);
  color: rgba(255, 255, 255, 0.75);
  padding: 48px 0 0;
  font-size: 0.875rem;
}

.iuc-foot a {
  color: rgba(255, 255, 255, 0.75);
}

.iuc-foot a:hover {
  color: var(--iuc-gold);
}

.iuc-foot__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: var(--iuc-container);
  margin: 0 auto;
  padding: 0 20px 40px;
}

.iuc-foot__heading {
  color: var(--iuc-white);
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.iuc-foot__links li {
  margin-bottom: 8px;
}

.iuc-foot__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 20px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.iuc-foot__disclaimer {
  max-width: var(--iuc-container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   Hero Section
   ============================================ */
.iuc-hero {
  background: linear-gradient(135deg, var(--iuc-deep-blue) 0%, #0f2440 100%);
  color: var(--iuc-white);
  padding: 80px 0;
  text-align: center;
}

.iuc-hero h1 {
  color: var(--iuc-white);
  font-size: 2.75rem;
  margin-bottom: 16px;
}

.iuc-hero p {
  font-size: 1.25rem;
  font-weight: 300;
  opacity: 0.9;
  max-width: 650px;
  margin: 0 auto 32px;
}

.iuc-hero__search {
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

.iuc-hero__search input {
  width: 100%;
  padding: 14px 50px 14px 20px;
  font-family: var(--iuc-font);
  font-size: 1rem;
  border: none;
  border-radius: var(--iuc-radius);
  outline: none;
}

.iuc-hero__search button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--iuc-teal);
  color: var(--iuc-white);
  border: none;
  border-radius: var(--iuc-radius);
  padding: 8px 14px;
  cursor: pointer;
  font-size: 1rem;
}

/* ============================================
   Page Content
   ============================================ */
.iuc-content {
  padding: 48px 0;
}

.iuc-content--narrow {
  max-width: 760px;
  margin: 0 auto;
}

.iuc-content h2 {
  margin-top: 2em;
}

.iuc-content ul,
.iuc-content ol {
  margin: 0 0 1.2em 1.5em;
}

.iuc-content ul {
  list-style: disc;
}

.iuc-content ol {
  list-style: decimal;
}

.iuc-content li {
  margin-bottom: 0.4em;
}

.iuc-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5em;
}

.iuc-content table th,
.iuc-content table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--iuc-border);
}

.iuc-content table th {
  background: var(--iuc-light-gray);
  font-weight: 600;
  color: var(--iuc-deep-blue);
}

.iuc-content blockquote {
  border-left: 3px solid var(--iuc-teal);
  padding: 16px 24px;
  margin: 1.5em 0;
  background: var(--iuc-light-gray);
  font-style: italic;
}

/* Featured Image */
.iuc-featured-img {
  margin-bottom: 32px;
  border-radius: var(--iuc-radius);
  overflow: hidden;
}

.iuc-featured-img img {
  width: 100%;
  height: auto;
}

/* Author Box */
.iuc-author-box {
  display: flex;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--iuc-border);
  border-radius: var(--iuc-radius);
  margin-top: 48px;
}

.iuc-author-box__avatar {
  flex-shrink: 0;
}

.iuc-author-box__avatar img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.iuc-author-box__name {
  font-weight: 700;
  color: var(--iuc-deep-blue);
  margin-bottom: 4px;
}

.iuc-author-box__bio {
  font-size: 0.875rem;
  color: var(--iuc-text-light);
}

/* ============================================
   Breadcrumbs (Yoast)
   ============================================ */
.iuc-breadcrumbs {
  padding: 12px 0;
  font-size: 0.8125rem;
  color: var(--iuc-text-light);
}

.iuc-breadcrumbs a {
  color: var(--iuc-text-light);
}

.iuc-breadcrumbs a:hover {
  color: var(--iuc-teal);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .iuc-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .iuc-card-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .iuc-tema-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .iuc-news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .iuc-foot__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html { font-size: 15px; }

  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }

  .iuc-hero { padding: 48px 0; }
  .iuc-hero h1 { font-size: 2rem; }
  .iuc-hero p { font-size: 1.0625rem; }

  .iuc-tema-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .iuc-paises-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .iuc-news-grid,
  .iuc-noticias-feed {
    grid-template-columns: 1fr;
  }

  .iuc-card-grid--4 {
    grid-template-columns: 1fr;
  }

  .iuc-section { padding: 40px 0; }

  .iuc-ham-btn {
    display: block;
  }

  .iuc-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--iuc-white);
    border-bottom: 2px solid var(--iuc-light-gray);
    padding: 16px 20px;
    flex-direction: column;
    align-items: stretch;
  }

  .iuc-nav.open {
    display: flex;
  }

  .iuc-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .iuc-nav ul li a {
    padding: 10px 0;
    border-radius: 0;
    border-bottom: 1px solid var(--iuc-light-gray);
  }

  .iuc-lang {
    margin-left: 0;
    margin-top: 12px;
    align-self: flex-start;
  }

  .iuc-card-grid {
    grid-template-columns: 1fr;
  }

  .iuc-foot__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .iuc-author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .iuc-banner {
    padding: 10px 16px;
  }

  .iuc-brand img {
    height: 54px;
  }
}

/* ============================================
   Section Headings
   ============================================ */
.iuc-section__heading {
  text-align: center;
  margin-bottom: 8px;
}

.iuc-section__sub {
  text-align: center;
  color: var(--iuc-text-light);
  font-size: 1.0625rem;
  margin-bottom: 40px;
}

/* ============================================
   Tema Tiles (Homepage)
   ============================================ */
.iuc-tema-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.iuc-tema-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 16px;
  background: var(--iuc-white);
  border: 1px solid var(--iuc-border);
  border-radius: var(--iuc-radius);
  text-align: center;
  transition: border-color var(--iuc-transition);
}

.iuc-tema-tile:hover {
  border-color: var(--iuc-teal);
}

.iuc-tema-tile__icon {
  font-size: 2rem;
  line-height: 1;
}

.iuc-tema-tile__name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--iuc-deep-blue);
}

/* ============================================
   Países Section (Homepage)
   ============================================ */
.iuc-paises-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.iuc-paises-map svg {
  width: 100%;
  height: auto;
  max-width: 420px;
  margin: 0 auto;
  display: block;
}

.iuc-paises-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.iuc-pais-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--iuc-radius);
  transition: background var(--iuc-transition);
}

.iuc-pais-row:hover {
  background: var(--iuc-light-gray);
}

.iuc-pais-row__flag {
  font-size: 1.25rem;
  line-height: 1;
}

.iuc-pais-row__name {
  flex: 1;
  font-weight: 600;
  color: var(--iuc-deep-blue);
  font-size: 0.9375rem;
}

.iuc-pais-row__count {
  font-size: 0.8125rem;
  color: var(--iuc-text-light);
}

/* ============================================
   Card Grid 4-col variant
   ============================================ */
.iuc-card-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ============================================
   News Feed Items
   ============================================ */
.iuc-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.iuc-news-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 32px 0;
  color: var(--iuc-text-light);
}

.iuc-news-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--iuc-border);
  border-radius: var(--iuc-radius);
  transition: border-color var(--iuc-transition);
}

.iuc-news-item:hover {
  border-color: var(--iuc-teal);
}

.iuc-news-item__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--iuc-deep-blue);
  line-height: 1.4;
  margin: 0;
}

.iuc-news-item__date {
  font-size: 0.8125rem;
  color: var(--iuc-text-light);
}

/* ============================================
   Noticias Filter Buttons
   ============================================ */
.iuc-noticias-sources {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.iuc-noticias-filter {
  padding: 8px 18px;
  font-family: var(--iuc-font);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--iuc-light-gray);
  border: 1px solid var(--iuc-border);
  border-radius: var(--iuc-radius);
  cursor: pointer;
  color: var(--iuc-text);
  transition: background var(--iuc-transition), color var(--iuc-transition), border-color var(--iuc-transition);
}

.iuc-noticias-filter:hover {
  border-color: var(--iuc-teal);
  color: var(--iuc-teal);
}

.iuc-noticias-filter.active {
  background: var(--iuc-teal);
  color: var(--iuc-white);
  border-color: var(--iuc-teal);
}

.iuc-noticias-feed {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* ============================================
   404 Links
   ============================================ */
.iuc-404-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 24px;
}

/* ============================================
   Proyecto Single
   ============================================ */
.iuc-proyecto-single__layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  margin-top: 24px;
}

.iuc-proyecto-single__location {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.iuc-proyecto-single__intro {
  font-size: 1.125rem;
  color: var(--iuc-text-light);
  line-height: 1.7;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--iuc-border);
}

.iuc-proyecto-single__result {
  background: rgba(13, 155, 138, 0.06);
  border-left: 3px solid var(--iuc-teal);
  padding: 20px 24px;
  margin: 32px 0;
  border-radius: 0 var(--iuc-radius) var(--iuc-radius) 0;
}

.iuc-proyecto-single__result h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--iuc-teal);
}

.iuc-proyecto-single__source {
  font-size: 0.875rem;
  color: var(--iuc-text-light);
  margin-top: 24px;
}

/* Sidebar */
.iuc-proyecto-single__sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.iuc-sidebar-block {
  padding: 20px;
  background: var(--iuc-light-gray);
  border-radius: var(--iuc-radius);
}

.iuc-sidebar-block h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  color: var(--iuc-deep-blue);
}

.iuc-sidebar-block__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.iuc-sidebar-block__tags a.iuc-badge:hover {
  background: var(--iuc-teal);
  color: var(--iuc-white);
}

.iuc-sidebar-block p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ============================================
   Filters (Archive)
   ============================================ */
.iuc-filters {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--iuc-light-gray);
  border-radius: var(--iuc-radius);
}

.iuc-filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.iuc-filter-group label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--iuc-text-light);
}

.iuc-filter-select {
  padding: 8px 12px;
  font-family: var(--iuc-font);
  font-size: 0.9375rem;
  border: 1px solid var(--iuc-border);
  border-radius: var(--iuc-radius);
  background: var(--iuc-white);
  min-width: 160px;
  cursor: pointer;
}

.iuc-filter-select:focus {
  outline: none;
  border-color: var(--iuc-teal);
}

/* Pagination */
.iuc-pagination {
  display: flex;
  justify-content: center;
  gap: 4px;
  padding: 24px 0;
}

.iuc-pagination .page-numbers {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--iuc-border);
  border-radius: var(--iuc-radius);
  font-size: 0.875rem;
  color: var(--iuc-text);
}

.iuc-pagination .page-numbers.current {
  background: var(--iuc-teal);
  color: var(--iuc-white);
  border-color: var(--iuc-teal);
}

.iuc-pagination .page-numbers:hover {
  border-color: var(--iuc-teal);
  color: var(--iuc-teal);
}

.iuc-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 0;
  color: var(--iuc-text-light);
}

/* ============================================
   Responsive — Proyecto
   ============================================ */
@media (max-width: 768px) {
  .iuc-proyecto-single__layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .iuc-filters {
    flex-direction: column;
  }

  .iuc-filter-select {
    min-width: 100%;
  }
}

/* ============================================
   Infografías SVG
   ============================================ */
.iuc-infographic {
  margin: 32px 0;
  padding: 0;
  text-align: center;
}

.iuc-infographic img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.iuc-infographic figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--iuc-text-light, #666);
  font-style: italic;
}