/* ============================================================
   ENERGÍA Y CALOR EXTREMADURA — main.css
   Base compartida para toda la web
   ============================================================ */

/* RESET & VARIABLES */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --orange:       #ff6b35;
  --orange-dark:  #e55a25;
  --orange-light: #ff8c42;
  --blue:         #003d82;
  --blue-dark:    #002a5e;
  --blue-light:   #0056b3;
  --bg:           #f8f8f6;
  --bg-white:     #ffffff;
  --text:         #1a1a1a;
  --text-muted:   #666666;
  --border:       #e0e0e0;
  --radius:       6px;
  --shadow:       0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.12);
  --max-w:        1200px;
  --font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

body { font-family: var(--font); color: var(--text); line-height: 1.65; background: var(--bg-white); }
img  { max-width: 100%; height: auto; display: block; }
a    { color: var(--blue); text-decoration: none; }
a:hover { color: var(--orange); }

/* UTILIDADES */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 4rem 0; }
.section-alt { background: var(--bg); }

.btn-primary {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .95rem;
  transition: background .2s, transform .1s;
  border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--orange-dark); color: #fff; transform: translateY(-1px); }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--blue);
  padding: .7rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid var(--blue);
  transition: all .2s;
}
.btn-secondary:hover { background: var(--blue); color: #fff; }

.tag {
  display: inline-block;
  background: #eef3ff;
  color: var(--blue);
  padding: .2rem .65rem;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 500;
  margin: .15rem;
}
.tag:hover { background: var(--blue); color: #fff; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .9rem 1.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.05rem; color: var(--text); }
.logo img { height: 48px; width: auto; }
.logo span { color: var(--orange); }

.main-nav { display: flex; align-items: center; gap: 1.5rem; }
.main-nav > a {
  color: var(--text);
  font-weight: 500;
  font-size: .9rem;
  padding: .3rem 0;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.main-nav > a:hover,
.main-nav > a.active { color: var(--orange); border-color: var(--orange); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a { display: flex; align-items: center; gap: .3rem; }
.nav-dropdown > a::after { content: '▾'; font-size: .7rem; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + .5rem);
  left: -1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 240px;
  padding: .5rem 0;
  z-index: 200;
}
.dropdown-menu a {
  display: block;
  padding: .6rem 1.2rem;
  font-size: .875rem;
  color: var(--text);
  font-weight: 500;
  transition: background .15s, color .15s;
}
.dropdown-menu a:hover { background: #fff5f0; color: var(--orange); }
.nav-dropdown:hover .dropdown-menu { display: block; }

.nav-cta {
  background: var(--orange);
  color: #fff !important;
  padding: .5rem 1.2rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .875rem;
  transition: background .2s;
  border-bottom: none !important;
}
.nav-cta:hover { background: var(--orange-dark) !important; color: #fff !important; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: .5rem; background: none; border: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s; }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 999;
}
.mobile-nav.open { display: block; }
.mobile-nav-inner {
  position: absolute;
  top: 0; right: 0;
  width: min(320px, 90vw);
  height: 100%;
  background: #fff;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.mobile-nav-close { align-self: flex-end; background: none; border: none; font-size: 1.5rem; cursor: pointer; margin-bottom: 1rem; }
.mobile-nav-inner a {
  display: block;
  padding: .75rem .5rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
}
.mobile-nav-inner a.sub { padding-left: 1.5rem; font-size: .875rem; color: var(--text-muted); }
.mobile-nav-inner .mobile-cta { margin-top: 1rem; text-align: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--blue-dark);
  color: #ccc;
  padding: 3.5rem 0 1.5rem;
  margin-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.footer-brand .logo { color: #fff; margin-bottom: 1rem; }
.footer-brand p { font-size: .875rem; line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: .9rem; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: .05em; }
.footer-col a { display: block; color: #aaa; font-size: .875rem; padding: .25rem 0; transition: color .2s; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 2.5rem;
  padding: 1.2rem 1.5rem 0;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
  color: #888;
  flex-wrap: wrap;
  gap: .5rem;
}

/* ============================================================
   HERO GENÉRICO (páginas internas)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 60%, #1a5fa8 100%);
  color: #fff;
  padding: 4rem 1.5rem;
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: .75rem; }
.page-hero p  { font-size: 1.05rem; opacity: .88; max-width: 640px; margin: 0 auto 1.5rem; }
.page-hero .breadcrumb { font-size: .8rem; opacity: .7; margin-bottom: 1rem; }
.page-hero .breadcrumb a { color: #fff; }

/* ============================================================
   HUB DE SERVICIO
   ============================================================ */
.hub-what { padding: 3.5rem 0; }
.hub-what .container { max-width: 820px; }
.hub-what h2 { font-size: 1.6rem; color: var(--blue); margin-bottom: 1rem; }
.hub-what p  { font-size: 1.02rem; line-height: 1.8; color: var(--text-muted); margin-bottom: 1rem; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.benefit-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  border-top: 3px solid var(--orange);
}
.benefit-card h4 { color: var(--blue); margin-bottom: .5rem; font-size: .95rem; }
.benefit-card p  { font-size: .875rem; color: var(--text-muted); }

/* Posts grid */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.post-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
}
.post-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.post-card-img { height: 180px; background: #e8eef5; overflow: hidden; }
.post-card-img img { width: 100%; height: 100%; object-fit: cover; }
.post-card-body { padding: 1.2rem; }
.post-card-body .category-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--orange);
  letter-spacing: .05em;
  margin-bottom: .4rem;
}
.post-card-body h3 { font-size: .95rem; line-height: 1.4; margin-bottom: .5rem; color: var(--text); }
.post-card-body h3 a { color: inherit; }
.post-card-body h3 a:hover { color: var(--orange); }
.post-card-meta { font-size: .78rem; color: var(--text-muted); margin-bottom: .6rem; }
.post-card-body p { font-size: .845rem; color: var(--text-muted); line-height: 1.6; margin-bottom: .75rem; }
.read-more { font-size: .82rem; font-weight: 600; color: var(--blue); }
.read-more:hover { color: var(--orange); }

/* Casos cards */
.casos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.caso-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
}
.caso-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.caso-card-img { position: relative; height: 200px; background: #dde4ee; overflow: hidden; }
.caso-card-img img { width: 100%; height: 100%; object-fit: cover; }
.caso-card-badge {
  position: absolute;
  top: .7rem; left: .7rem;
  background: var(--orange);
  color: #fff;
  padding: .25rem .65rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
}
.caso-card-body { padding: 1.2rem; }
.caso-card-body h3 { font-size: .95rem; margin-bottom: .4rem; line-height: 1.4; }
.caso-card-body h3 a { color: var(--text); }
.caso-card-body h3 a:hover { color: var(--orange); }
.caso-meta { font-size: .78rem; color: var(--text-muted); margin-bottom: .8rem; }
.caso-datos {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: .8rem;
}
.dato { text-align: center; }
.dato strong { display: block; font-size: 1.05rem; color: var(--blue); }
.dato span   { font-size: .7rem; color: var(--text-muted); }
.caso-card-body .btn-primary { font-size: .82rem; padding: .5rem 1rem; }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.1rem 0;
  text-align: left;
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-question::after { content: '+'; font-size: 1.2rem; color: var(--orange); flex-shrink: 0; }
.faq-question.open::after { content: '−'; }
.faq-answer { display: none; padding-bottom: 1rem; font-size: .9rem; color: var(--text-muted); line-height: 1.8; }
.faq-answer.open { display: block; }

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  color: #fff;
  padding: 3.5rem 1.5rem;
  text-align: center;
  border-radius: var(--radius);
  margin: 2rem 0;
}
.cta-banner h2 { font-size: 1.75rem; margin-bottom: .75rem; }
.cta-banner p  { opacity: .9; margin-bottom: 1.5rem; font-size: 1.02rem; }
.cta-banner .btn-white {
  display: inline-block;
  background: #fff;
  color: var(--orange);
  padding: .8rem 2rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .95rem;
  transition: background .2s, transform .1s;
}
.cta-banner .btn-white:hover { background: #fff5f0; transform: translateY(-1px); }

/* ============================================================
   BLOG — ÍNDICE
   ============================================================ */
.filter-bar { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.filter-btn {
  padding: .4rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-size: .84rem;
  font-weight: 500;
  transition: all .2s;
  color: var(--text-muted);
}
.filter-btn:hover,
.filter-btn.active { background: var(--orange); color: #fff; border-color: var(--orange); }

.posts-list-full { display: flex; flex-direction: column; gap: 1.5rem; }
.post-list-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: start;
  transition: box-shadow .2s;
}
.post-list-item:hover { box-shadow: var(--shadow); }
.post-list-item h3 { font-size: 1rem; margin-bottom: .4rem; }
.post-list-item h3 a { color: var(--text); }
.post-list-item h3 a:hover { color: var(--orange); }
.post-list-meta { font-size: .78rem; color: var(--text-muted); margin-bottom: .5rem; }
.post-list-meta .cat-link { color: var(--orange); font-weight: 600; }
.post-list-excerpt { font-size: .875rem; color: var(--text-muted); line-height: 1.6; margin-bottom: .6rem; }
.post-list-tags { display: flex; flex-wrap: wrap; gap: .3rem; }
.post-list-date { font-size: .78rem; color: var(--text-muted); white-space: nowrap; padding-top: .2rem; }

/* ============================================================
   POST INDIVIDUAL
   ============================================================ */
.post-layout { display: grid; grid-template-columns: 1fr 320px; gap: 2.5rem; max-width: var(--max-w); margin: 0 auto; padding: 2.5rem 1.5rem; }
.post-content-area {}
.post-header { margin-bottom: 2rem; }
.post-header h1 { font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.3; margin-bottom: .75rem; }
.post-meta-bar { display: flex; flex-wrap: wrap; gap: 1rem; font-size: .83rem; color: var(--text-muted); margin-bottom: 1rem; }
.post-meta-bar .cat-badge { background: var(--orange); color: #fff; padding: .2rem .6rem; border-radius: 20px; font-weight: 600; font-size: .75rem; }
.post-featured-img { width: 100%; height: 340px; object-fit: cover; border-radius: var(--radius); margin-bottom: 2rem; }
.post-body { font-size: 1rem; line-height: 1.85; color: #333; }
.post-body h2 { font-size: 1.35rem; color: var(--blue); margin: 2rem 0 .75rem; }
.post-body h3 { font-size: 1.1rem; color: var(--blue); margin: 1.5rem 0 .5rem; }
.post-body p  { margin-bottom: 1.1rem; }
.post-body ul,
.post-body ol { padding-left: 1.5rem; margin-bottom: 1.1rem; }
.post-body li { margin-bottom: .4rem; }
.post-body img { border-radius: var(--radius); margin: 1.5rem 0; }
.post-body a  { color: var(--blue); text-decoration: underline; }
.post-tags-footer { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.related-posts { margin-top: 2.5rem; }
.related-posts h3 { font-size: 1.1rem; margin-bottom: 1.2rem; color: var(--blue); }
.post-cta-box { background: #fff5f0; border: 1px solid #ffd5c0; border-radius: var(--radius); padding: 1.5rem; margin-top: 2rem; text-align: center; }
.post-cta-box h3 { color: var(--orange); margin-bottom: .5rem; }
.post-cta-box p  { font-size: .875rem; color: var(--text-muted); margin-bottom: 1rem; }

/* Sidebar */
.post-sidebar {}
.sidebar-widget { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.5rem; }
.sidebar-widget h4 { font-size: .9rem; color: var(--blue); margin-bottom: 1rem; padding-bottom: .5rem; border-bottom: 1px solid var(--border); }
.sidebar-widget ul { list-style: none; }
.sidebar-widget ul li { padding: .4rem 0; border-bottom: 1px solid #f0f0f0; font-size: .84rem; }
.sidebar-widget ul li:last-child { border: none; }
.sidebar-widget ul li a { color: var(--text); }
.sidebar-widget ul li a:hover { color: var(--orange); }

/* ============================================================
   CASO DE ÉXITO INDIVIDUAL
   ============================================================ */
.caso-hero-data {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
}
.kpi strong { display: block; font-size: 1.75rem; color: var(--orange); font-weight: 800; }
.kpi span   { font-size: .78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.antes-despues { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 2rem 0; }
.antes-despues figure { text-align: center; }
.antes-despues figcaption { font-size: .8rem; color: var(--text-muted); margin-top: .4rem; font-weight: 600; text-transform: uppercase; }
.antes-despues img { width: 100%; height: 260px; object-fit: cover; border-radius: var(--radius); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { display: none; }
}
@media (max-width: 640px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .casos-grid { grid-template-columns: 1fr; }
  .antes-despues { grid-template-columns: 1fr; }
  .page-hero { padding: 2.5rem 1rem; }
  .section { padding: 2.5rem 0; }
}

/* ============================================================
   SECTION TITLES
   ============================================================ */
.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-header h2 { font-size: clamp(1.4rem, 3vw, 2rem); color: var(--blue); margin-bottom: .5rem; }
.section-header p  { color: var(--text-muted); font-size: 1rem; max-width: 560px; margin: 0 auto; }
.orange { color: var(--orange); }

/* thumbs blog index */
.post-list-item{display:flex;gap:1.25rem;align-items:flex-start}
.post-list-item>div:first-of-type{flex:1}
.post-list-thumb{flex:0 0 170px;height:115px;border-radius:8px;background-size:cover;background-position:center;display:block}
@media(max-width:640px){.post-list-thumb{display:none}}
/* imagen destacada articulo */
.post-featured{margin:0 auto;max-width:900px;padding:1.5rem 1.5rem 0}
.post-featured img{width:100%;max-height:430px;object-fit:cover;border-radius:10px;display:block}