/* =========================================================
   AgroRuralNoticias - Estilos base del sitio
   Encabezado, menú, footer y botón "volver arriba".
   Cada página suma su propia hoja (portal.css / noticia-pagina.css).
   ========================================================= */

:root {
  --ar-green: #2d5016;
  --ar-green-2: #4a7c59;
  --ar-green-dark: #1f3a12;
  --ar-green-deep: #16290d;
  --ar-gold: #a7913f;
  --ar-gold-light: #e2c96b;
  --ar-text: #1f2a24;
  --ar-muted: #66746b;
  --ar-line: #e6ebe7;
  --ar-bg: #f4f7f3;
  --ar-card: #ffffff;
  --ar-radius: 14px;
  --ar-shadow: 0 1px 2px rgba(20, 40, 25, .06), 0 8px 24px rgba(20, 40, 25, .06);
  --ar-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ar-serif: 'Playfair Display', Georgia, serif;
  --ar-max: 1208px;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--ar-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ar-text);
  background: var(--ar-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--ar-green);
  text-decoration: none;
  transition: color .15s ease;
}

a:hover,
a:focus {
  color: var(--ar-gold);
  text-decoration: none;
}

img {
  max-width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--ar-text);
}

/* ---------- Encabezado ---------- */
.ar-header {
  text-align: center;
  padding: 24px 16px 8px;
}

.ar-logo {
  display: inline-block;
}

.ar-logo img {
  display: block;
  width: 420px;
  max-width: 72vw;
  height: auto;
  transition: transform .3s ease;
}

.ar-logo:hover img {
  transform: scale(1.02);
}

/* ---------- Menú ---------- */
.ar-nav {
  width: calc(100% - 32px);
  max-width: var(--ar-max);
  margin: 12px auto 32px;
  background: linear-gradient(135deg, var(--ar-green) 0%, var(--ar-green-2) 100%);
  border-radius: var(--ar-radius);
  box-shadow: 0 6px 20px rgba(45, 80, 22, .18);
  position: relative;
  z-index: 20;
}

.ar-nav-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
}

.ar-nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  height: 40px;
  padding: 0 14px;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, .14);
  color: #fff;
  font: 600 14px var(--ar-sans);
  cursor: pointer;
}

.ar-nav-toggle i {
  font-size: 18px;
}

.ar-nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.ar-nav-links a {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: background .15s ease, color .15s ease;
}

.ar-nav-links a:hover,
.ar-nav-links a:focus {
  background: rgba(255, 255, 255, .15);
  color: #fff;
}

.ar-nav-links a.is-active {
  background: #fff;
  color: var(--ar-green);
  font-weight: 600;
}

.ar-nav-search {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  margin: 0;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
}

.ar-nav-search input {
  width: 200px;
  height: 40px;
  padding: 0 12px;
  border: 0;
  outline: 0;
  background: transparent;
  font: 14px var(--ar-sans);
  color: var(--ar-text);
}

.ar-nav-search button {
  width: 42px;
  height: 40px;
  border: 0;
  background: transparent;
  color: var(--ar-green);
  font-size: 16px;
  cursor: pointer;
}

.ar-nav-search button:hover {
  color: var(--ar-gold);
}

.ar-nav-search:focus-within {
  box-shadow: 0 0 0 3px rgba(226, 201, 107, .55);
}

@media (min-width: 768px) and (max-width: 1100px) {
  .ar-nav-links a {
    padding: 9px 9px;
    font-size: 13px;
  }
  .ar-nav-search input {
    width: 140px;
  }
}

@media (min-width: 768px) and (max-width: 940px) {
  .ar-nav-links a {
    padding: 8px 6px;
    font-size: 12.5px;
  }
  .ar-nav-search input {
    width: 110px;
  }
}

@media (max-width: 767px) {
  .ar-nav {
    width: calc(100% - 20px);
    margin-bottom: 24px;
  }
  .ar-nav-inner {
    flex-wrap: wrap;
  }
  .ar-nav-toggle {
    display: inline-flex;
  }
  .ar-nav-search {
    flex: 1 1 auto;
    min-width: 0;
  }
  .ar-nav-search input {
    width: 100%;
    min-width: 0;
  }
  .ar-nav-links {
    display: none;
    order: 3;
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 6px 0 4px;
    border-top: 1px solid rgba(255, 255, 255, .15);
  }
  .ar-nav.is-open .ar-nav-links {
    display: flex;
  }
  .ar-nav-links a {
    padding: 12px 10px;
    font-size: 15px;
  }
}

/* ---------- Footer ---------- */
.ar-footer {
  margin-top: 48px;
  background: linear-gradient(135deg, var(--ar-green-dark) 0%, var(--ar-green) 100%);
  color: rgba(255, 255, 255, .78);
  clear: both;
}

.ar-footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 16px;
}

.ar-footer-cols {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.4fr 1fr;
  gap: 32px;
  padding: 48px 0 36px;
}

.ar-footer-brand-name {
  display: block;
  font-family: var(--ar-serif);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.ar-footer-brand p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .7);
}

.ar-footer h3 {
  font-family: var(--ar-serif);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ar-gold);
}

.ar-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ar-footer li {
  margin-bottom: 8px;
}

.ar-footer li a {
  font-size: 14px;
  line-height: 1.45;
  color: rgba(255, 255, 255, .78);
}

.ar-footer li a:hover {
  color: var(--ar-gold-light);
}

.ar-footer-bottom {
  background: var(--ar-green-deep);
  font-size: 12px;
  color: rgba(255, 255, 255, .55);
}

.ar-footer-bottom .ar-footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

@media (max-width: 900px) {
  .ar-footer-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .ar-footer-cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 36px 0 28px;
  }
}

/* ---------- Volver arriba ---------- */
.ar-totop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ar-green);
  color: #fff;
  font-size: 22px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s, background .15s ease;
}

.ar-totop.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.ar-totop:hover,
.ar-totop:focus {
  background: var(--ar-gold);
  color: #fff;
}

/* ---------- Aviso "no hay más noticias" (lo imprime PHP) ---------- */
.pl-empty {
  max-width: var(--ar-max);
  margin: 0 auto 32px;
  padding: 36px 20px;
  text-align: center;
  color: var(--ar-muted);
  font-size: 15px;
}

.pl-empty i {
  display: block;
  font-size: 36px;
  color: var(--ar-gold);
  margin-bottom: 10px;
}

.pl-empty p {
  margin: 0;
}