/* ==========================================================================
   OMNITEK — componentes.css
   Piezas reutilizables en todas las páginas: nav, botones, tarjetas,
   encabezados de sección, etiquetas HUD, footer.
   ========================================================================== */

/* ---------- Navegación ---------- */

.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  z-index: 100;
  background: rgba(17,19,21,0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.logo-wrap{
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.logo-wrap img{ height: 32px; width: auto; }

.main-nav ul{
  display: flex;
  align-items: center;
  gap: var(--space-7);
}
.main-nav a{
  font-size: var(--fs-xs);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition-fast);
}
.main-nav a:hover{ color: var(--color-text); }
.main-nav a::after{
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--color-red-bright);
  transition: width var(--transition-fast);
}
.main-nav a:hover::after{ width: 100%; }

.main-nav .has-submenu{ position: relative; }
.submenu{
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  min-width: 220px;
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast);
}
.has-submenu:hover .submenu{ opacity: 1; visibility: visible; }
.submenu a{
  display: block;
  padding: var(--space-3) var(--space-4);
  white-space: nowrap;
}
.submenu a::after{ display: none; }
.submenu a:hover{ background: var(--color-bg-alt); border-radius: var(--radius-sm); }

.nav-cta{
  border: 1px solid var(--color-red-bright);
  color: var(--color-text) !important;
  padding: var(--space-2) var(--space-5);
  font-size: var(--fs-xs) !important;
  border-radius: var(--radius-sm);
}
.nav-cta:hover{ background: var(--color-red-bright); }
.nav-cta::after{ display: none; }

/* menú móvil */
.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span{
  width: 22px; height: 2px; background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle.active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2){ opacity: 0; }
.nav-toggle.active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px){
  .nav-toggle{ display: flex; }
  .main-nav{
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }
  .main-nav.open{ max-height: 400px; }
  .main-nav ul{
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-4) var(--space-6);
  }
  .main-nav ul li{ width: 100%; padding: var(--space-3) 0; border-bottom: 1px solid var(--color-line); }
  .submenu{ position: static; opacity: 1; visibility: visible; transform: none; border: none; background: none; display: none; padding-left: var(--space-4); }
  .has-submenu.open .submenu{ display: block; }
}

/* ---------- Botones ---------- */

.btn{
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-size: var(--fs-xs);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.btn-primary{ background: var(--color-red-bright); color: #fff; }
.btn-primary:hover{ background: #EF2B2B; transform: translateY(-2px); }
.btn-outline{ border: 1px solid var(--color-line); color: var(--color-text); }
.btn-outline:hover{ border-color: var(--color-blue); color: var(--color-blue); }

/* ---------- Encabezado de sección ---------- */

.section-head{ margin-bottom: var(--space-8); max-width: 640px; }
.section-eyebrow{
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 3px;
  color: var(--color-red-bright);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  display: flex; align-items: center; gap: var(--space-3);
}
.section-eyebrow::before{ content: ''; width: 26px; height: 1px; background: var(--color-red-bright); }
.section-title{
  font-size: clamp(24px, 3vw, var(--fs-2xl));
}
.section-desc{ color: var(--color-text-muted); margin-top: var(--space-4); font-size: var(--fs-sm); max-width: 560px; }

/* ---------- Etiquetas HUD ---------- */

.hud-tag{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-blue);
  letter-spacing: 1px;
  opacity: 0.8;
}
.hud-dot{
  display: inline-block;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-red-bright);
  margin-right: var(--space-2);
  box-shadow: var(--glow-red);
}

/* ---------- Tarjetas de servicio ---------- */

.services-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.service-card{
  background: var(--color-bg);
  padding: var(--space-7) var(--space-6);
  min-height: 210px;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: background var(--transition-base);
}
.service-card:hover{ background: var(--color-panel); }
.service-card .num{ font-family: var(--font-mono); font-size: 11px; color: var(--color-text-muted); }
.service-card h3{ font-size: var(--fs-md); margin-top: var(--space-5); }
.service-card p{ color: var(--color-text-muted); font-size: 13.5px; margin-top: var(--space-3); }
.service-card .arrow{
  margin-top: var(--space-5); font-size: var(--fs-sm); color: var(--color-red-bright);
  opacity: 0; transform: translateX(-6px); transition: all var(--transition-fast);
}
.service-card:hover .arrow{ opacity: 1; transform: none; }

@media (max-width: 900px){
  .services-grid{ grid-template-columns: 1fr; }
}

/* ---------- Proceso de trabajo ---------- */

.process{
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
  margin-top: var(--space-5);
}
.process::before{
  content: '';
  position: absolute; top: 17px; left: 6%; right: 6%; height: 1px;
  background: repeating-linear-gradient(90deg, var(--color-line) 0 6px, transparent 6px 12px);
}
.process-step{ text-align: center; padding: 0 var(--space-4); position: relative; }
.process-step .dot{
  width: 34px; height: 34px; margin: 0 auto var(--space-5);
  border-radius: 50%; border: 1px solid var(--color-red-bright);
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 12px; color: var(--color-red-bright);
  position: relative; z-index: 2;
}
.process-step h4{ font-size: var(--fs-sm); margin-bottom: var(--space-2); }
.process-step p{ font-size: 12.5px; color: var(--color-text-muted); }

@media (max-width: 900px){
  .process{ grid-template-columns: 1fr; gap: var(--space-6); }
  .process::before{ display: none; }
}

/* ---------- Footer ---------- */

.site-footer{
  border-top: 1px solid var(--color-line);
  padding: var(--space-8) var(--space-6);
}
.footer-grid{
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-6);
  max-width: var(--max-width);
  margin: 0 auto var(--space-7);
}
.footer-col h5{
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 1px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.footer-col a{
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}
.footer-col a:hover{ color: var(--color-text); }
.footer-bottom{
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-dim);
  letter-spacing: 1px;
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-6);
  max-width: var(--max-width);
  margin: 0 auto;
}

@media (max-width: 900px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}