/* =============================================================
   GRUPO KELTIA · site-chrome.css
   Header, footer, botones y base compartidos entre todas las páginas.
   Importar DESPUÉS de tokens.css.
   Variable --site-header-height la usan secciones con sticky para no quedar
   tapadas por el header (memoria descriptiva, futuras páginas con sub-nav).
   ============================================================= */

:root {
  --site-header-height: 92px;
} 

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(238, 236, 224, 0.94);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid rgba(87, 94, 58, 0.18);
}
.site-header > .nav {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.4rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: transparent;
  box-shadow: none;
}
.site-header .brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--keltia-musgo-oscuro);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 3px;
  font-size: 1.45rem;
}
.site-header .brand svg { width: 60px; height: 60px; flex-shrink: 0; }
.site-header .nav-links {
  display: flex;
  list-style: none;
  gap: 2.2rem;
  margin: 0;
  padding: 0;
  background: transparent;
}
.site-header .nav-links a {
  color: var(--keltia-negro);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: color .15s;
  letter-spacing: 0.3px;
  display: inline;
  padding: 0;
  border: 0;
  background: transparent;
}
.site-header .nav-links a:hover { color: var(--keltia-musgo-oscuro); background: transparent; border: 0; }
.site-header .nav-cta {
  background: var(--keltia-musgo-oscuro);
  color: var(--keltia-crema);
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  letter-spacing: 0.4px;
  transition: background .15s;
}
.site-header .nav-cta:hover { background: var(--keltia-negro); color: var(--keltia-crema); }
.site-header .nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 0.5rem; }
.site-header .nav-toggle span { display: block; width: 22px; height: 2px; background: var(--keltia-musgo-oscuro); margin: 4px 0; }

/* ===== Botones generales ===== */
.btn {
  display: inline-block;
  padding: 0.95rem 1.8rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  letter-spacing: 0.4px;
  transition: all .15s;
  cursor: pointer;
  border: 0;
}
.btn-primary { background: var(--keltia-musgo-oscuro); color: var(--keltia-crema); }
.btn-primary:hover { background: var(--keltia-negro); }
.btn-outline { background: transparent; color: var(--keltia-negro); border: 1.5px solid var(--keltia-negro); }
.btn-outline:hover { background: var(--keltia-negro); color: var(--keltia-crema); }
.btn-accent { background: var(--keltia-terracota); color: white; }
.btn-accent:hover { background: #964e34; }

/* ===== Footer ===== */
.site-footer { background: var(--keltia-musgo-oscuro); color: var(--keltia-crema); padding: 4rem 2rem 2rem; }
.site-footer .footer-inner { max-width: 1440px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 2.5rem; }
.site-footer h4 { font-family: var(--font-display); font-size: 0.82rem; letter-spacing: 3px; font-weight: 600; margin: 0 0 1rem; color: var(--keltia-crema); opacity: 0.7; text-transform: uppercase; }
.site-footer .footer-brand { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1rem; }
.site-footer .footer-brand svg { width: 44px; height: 44px; }
.site-footer .footer-brand span { font-family: var(--font-display); font-weight: 700; letter-spacing: 3px; font-size: 1.1rem; }
.site-footer .footer-tagline { font-family: var(--font-display); font-style: italic; font-size: 0.95rem; max-width: 280px; opacity: 0.85; line-height: 1.5; margin: 0; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer ul li { margin-bottom: 0.55rem; font-size: 0.92rem; }
.site-footer a { color: var(--keltia-crema); opacity: 0.85; text-decoration: none; transition: opacity .15s; }
.site-footer a:hover { opacity: 1; text-decoration: underline; }
.site-footer .ally-card { display: inline-flex; align-items: center; gap: 0.7rem; padding: 0.6rem 0.9rem; border: 1px solid rgba(238,236,224,0.25); border-radius: var(--radius-sm); transition: background .15s; text-decoration: none; }
.site-footer .ally-card:hover { background: rgba(238,236,224,0.08); }
.site-footer .ally-card img { height: 64px; width: auto; display: block; }
.site-footer .ally-card-text { font-size: 0.78rem; opacity: 0.8; line-height: 1.3; margin-top: 0.6rem; }
.site-footer .footer-bottom { max-width: 1440px; margin: 2.5rem auto 0; padding-top: 1.5rem; border-top: 1px solid rgba(238,236,224,0.18); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.82rem; opacity: 0.7; }

/* ===== Contact list (footer + página contacto) ===== */
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { margin-bottom: 0.7rem; }
.contact-list a { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--keltia-crema); opacity: 0.85; text-decoration: none; font-size: 0.92rem; transition: opacity .15s; }
.contact-list a:hover { opacity: 1; text-decoration: underline; }
.contact-list img { width: 20px; height: 20px; flex-shrink: 0; }
.contact-list--dark a { color: var(--keltia-musgo-oscuro); opacity: 0.95; }
.contact-list--dark img { filter: brightness(0) saturate(100%) invert(31%) sepia(15%) saturate(842%) hue-rotate(35deg) brightness(94%) contrast(86%); }

/* ===== Mobile ===== */
@media (max-width: 860px) {
  .site-header > .nav { padding: 1rem 1.2rem; }
  .site-header .nav-links, .site-header .nav-cta { display: none; }
  .site-header .nav-toggle { display: block; }
  .site-header .brand { font-size: 1rem; }
  .site-header .brand svg { width: 38px; height: 38px; }
  .site-footer .footer-inner { grid-template-columns: 1fr 1fr; }
  :root { --site-header-height: 70px; }
}
@media (max-width: 520px) {
  .site-footer .footer-inner { grid-template-columns: 1fr; }
}
/* whatsapp flotante */
.whatsapp-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 62px;
  height: 62px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  z-index: 9999;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.whatsapp-float img {
  width: 34px;
  height: 34px;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 18px rgba(0,0,0,0.32);
}