:root {
  --brand-1: #7fbb01;
  --brand-2: #fb6202;
  --bg: #ffffff;
  --text: #111111;
  --muted: #666;
  --max-width: 1100px;
  --radius: 12px;
  --shadow: 0 6px 22px rgba(15, 15, 15, 0.06);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, 'Roboto Mono', monospace;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  --serveis-bg-alpha: 0.82; /* opacidad aplicada SOLO a la imagen mediante una capa de fondo */
}

/* Global reset */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

/* Make all images fluid */
img { max-width: 100%; height: auto; display: block; }

/* HERO */
.hero {
  position: relative;
  min-height: clamp(50vh, 72vh, 90vh);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
  background-image:
    radial-gradient(rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.28)),
    url('portada.jpg');
  background-size: cover;
  background-position: center;
}
.hero .hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.45));
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 920px; padding: 40px 20px; }
.hero-title {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 48px);
  margin: 0 0 10px;
  color: #fff;
}
.hero-sub {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
}

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  background: linear-gradient(90deg, rgba(255,255,255,0.88), rgba(255,255,255,0.82));
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.site-header .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 12px 20px;
}
.logo { max-width: 160px; height: auto; object-fit: contain; }

/* nav */
.nav a {
  margin-left: 18px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--brand-2); }

/* Sections */
.section { padding: clamp(40px, 8vw, 70px) 20px; }
.container { max-width: var(--max-width); margin: 0 auto; }
.section-title {
  font-family: var(--mono);
  font-weight: 700;
  margin: 0 0 8px;
  font-size: clamp(1.2rem, 2.5vw, 2rem);
}
.section-desc { color: var(--muted); margin: 0 0 26px; font-size: clamp(0.9rem, 2vw, 1.05rem); }

/* Cards grid */
.cards {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
}
@media (min-width: 600px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1200px) {
  .cards { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(250,250,250,0.98));
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  text-align: left;
  border: 1px solid rgba(0,0,0,0.03);
}
.card-img { border-radius: 8px; display: block; margin-bottom: 12px; }
.card-body h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card-body p { margin: 0; color: var(--muted); }

/* ================================
   Servei section background
   ================================ */
#serveis {
  position: relative;
  max-width: 100%;
  margin: 0;
  background-image: linear-gradient(rgba(255,255,255,var(--serveis-bg-alpha)), rgba(255,255,255,var(--serveis-bg-alpha))), url('circuit-bg.png');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: scroll;
}
#serveis > * { max-width: var(--max-width); margin-left: auto; margin-right: auto; }

/* partners */
.partners {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 18px;
  align-items: center;
}
.partner {
  background: #fff;
  border-radius: 8px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.03);
}
.partner img { max-width: 100%; height: 60px; object-fit: contain; }

/* contact grid */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.contact-item h4 { margin: 0 0 6px; font-family: var(--mono); font-size: 0.95rem; }
.contact-item p { margin: 0; color: var(--muted); }

/* footer */
/* footer */
.site-footer {
  padding: 12px 20px; /* menos altura */
  background: linear-gradient(145deg, #2c2c2c, #3b3b3b); /* gris oscuro metalizado */
  border-top: 1px solid rgba(255,255,255,0.08);
  color: #f0f0f0;
}
.site-footer .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}
.site-footer a.footer-icon {
  color: #f0f0f0;
  text-decoration: none;
  font-size: 1.1rem;
}
.site-footer a.footer-icon:hover {
  color: var(--brand-2); /* naranja corporativo al hover */
}


/* whatsapp floating button */
.whatsapp-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2));
  color: white;
  box-shadow: 0 12px 30px rgba(0,0,0,0.18);
  text-decoration: none;
}
.whatsapp-fab i {
  font-size: 2.5rem; /* aumenta el tamaño del icono */
  line-height: 1;
}


/* small screens tweaks */
@media (max-width: 600px) {
  .site-header .inner { padding: 10px 14px; }
  .nav a { font-size: 0.85rem; margin-left: 12px; }
  .logo { max-width: 120px; }
}

/* utility */
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

:root {
  --header-height: 64px;
}

/* Compensacion del header fijo */
html { scroll-padding-top: var(--header-height); }
body { padding-top: var(--header-height); }

/* Skip link accesible */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background:#111;
  color:#fff;
  padding:8px 12px;
  z-index:100;
  border-radius:6px;
}
.skip-link:focus {
  left: 10px;
  top: 10px;
}

/* Mejoras de accesibilidad en focus */
:focus-visible {
  outline: 3px solid var(--brand-1, #7fbb01);
  outline-offset: 3px;
}

/* ✅ Fondo canvas para sección Col·laboradors (corregido) */
#colaboradors {
  position: relative;
  overflow: hidden;
}

#colaboradors #colab-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#colaboradors h2,
#colaboradors p,
#colaboradors .partners {
  position: relative;
  z-index: 1;
}
#colaboradors .container {
  position: relative;
  z-index: 1;
}

/* Contacte */
#contacte {
  position: relative;
  max-width: 100%;
  margin: 0;
  background: #F0EAD6;
}
#contacte > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}
/* Contact map */
.contact-map iframe {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 10px;
}

/* Botones de contacto individuales */
.contact-item .btn {
  display: inline-block;
  margin-top: 8px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2));
  color: #fff;
  padding: 8px 14px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}
.contact-item .btn:hover {
  transform: scale(1.05);
}