/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.brand img { height: 42px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.main-nav ul {
  display: flex;
  gap: var(--space-md);
}
.main-nav a {
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--fs-sm);
  padding: 0.5rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-base), color var(--transition-base);
}
.main-nav a:hover,
.main-nav a.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.header-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--color-text);
  font-size: var(--fs-sm);
}
.header-phone svg { width: 20px; height: 20px; color: var(--color-accent-hover); flex-shrink: 0; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  color: var(--color-text);
}
.nav-toggle svg { width: 28px; height: 28px; }

@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-phone span { display: none; }
  .header-actions .btn-primary { display: none; }
}

/* Mobile nav drawer */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-white);
  z-index: 200;
  padding: var(--space-md);
  transform: translateX(100%);
  transition: transform 220ms ease;
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}
.mobile-nav-close {
  background: none;
  border: none;
  padding: 0.5rem;
}
.mobile-nav-close svg { width: 28px; height: 28px; }
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.mobile-nav a {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text);
}
.mobile-nav-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  color: var(--color-text-inverse);
  background: var(--color-graphite-900);
  overflow: hidden;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) 0;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(13,17,21,0.96) 20%, rgba(13,17,21,0.75) 55%, rgba(18,38,61,0.55) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}
.hero h1 {
  color: #fff;
  font-size: var(--fs-4xl);
  margin-bottom: var(--space-sm);
}
.hero .lead {
  color: var(--color-text-inverse-muted);
  font-size: var(--fs-md);
  max-width: 560px;
  margin-bottom: var(--space-lg);
}
.hero-ctas {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.hero-trustline {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  color: var(--color-text-inverse-muted);
  font-size: var(--fs-sm);
}
.hero-trustline li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-trustline svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; }

@media (max-width: 768px) {
  .hero { min-height: auto; padding: var(--space-2xl) 0 var(--space-xl); }
  .hero-ctas { flex-direction: column; align-items: stretch; }
}

/* ==========================================================================
   SERVICIOS
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.service-category {
  margin-bottom: var(--space-xl);
}
.service-category:last-child { margin-bottom: 0; }
.service-category-title {
  font-size: var(--fs-md);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.service-category-title::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   EMPRESA (About)
   ========================================================================== */
.about-section .container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-xl);
  align-items: center;
}
.about-media img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.about-values {
  list-style: none;
  margin-top: var(--space-md);
  display: grid;
  gap: var(--space-sm);
}
.about-values li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.about-values svg {
  width: 22px; height: 22px;
  color: var(--color-accent-hover);
  flex-shrink: 0;
  margin-top: 2px;
}

@media (max-width: 900px) {
  .about-section .container { grid-template-columns: 1fr; }
  .about-media { order: -1; max-width: 420px; margin: 0 auto var(--space-md); }
}

/* ==========================================================================
   SECTORES
   ========================================================================== */
.sectors-section { background: var(--color-bg-alt); }
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.sector-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}
.sector-card svg { width: 30px; height: 30px; color: var(--color-primary); margin-bottom: var(--space-xs); }

@media (max-width: 900px) {
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .sectors-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   PROYECTOS
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  position: relative;
}
.project-card figure { margin: 0; position: relative; }
.project-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.project-card .badge.placeholder {
  position: absolute;
  top: 12px;
  left: 12px;
}
.project-body { padding: var(--space-sm) var(--space-md) var(--space-md); }
.project-meta {
  display: flex;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

@media (max-width: 900px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .projects-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   POR QUÉ ELEGIRNOS
   ========================================================================== */
.why-section {
  background: var(--color-graphite-900);
  color: var(--color-text-inverse);
}
.why-section .section-head h2,
.why-section .eyebrow { color: #fff; }
.why-section .section-head p { color: var(--color-text-inverse-muted); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.why-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.why-card svg { width: 28px; height: 28px; color: var(--color-accent); margin-bottom: var(--space-xs); }
.why-card h3 { color: #fff; }
.why-card p { color: var(--color-text-inverse-muted); margin-bottom: 0; }

@media (max-width: 900px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .why-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.contact-section .container {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-xl);
}
.contact-info-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.contact-info-item {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}
.contact-info-item svg {
  width: 24px; height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-info-item strong { display: block; color: var(--color-text); }
.contact-info-item a { color: var(--color-text-muted); }
.contact-info-item a:hover { color: var(--color-primary); }

.contact-quick-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.contact-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}
.form-group { margin-bottom: var(--space-sm); }
.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.form-group .required { color: var(--color-amber-600); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--fs-base);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-blue-100);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* honeypot field — hidden from real users, visible to bots that auto-fill everything */
.form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.form-feedback {
  margin-top: var(--space-sm);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  display: none;
}
.form-feedback.is-visible { display: block; }
.form-feedback.is-success { background: #e8f6ee; color: #1e7a41; border: 1px solid #b7e3c6; }
.form-feedback.is-error { background: #fdecec; color: #b3261e; border: 1px solid #f4c6c2; }

@media (max-width: 900px) {
  .contact-section .container { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-graphite-900);
  color: var(--color-text-inverse-muted);
  padding: var(--space-xl) 0 var(--space-md);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand-badge {
  display: inline-block;
  background: var(--color-white);
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}
.footer-brand-badge img { height: 34px; }
.site-footer h4 {
  color: #fff;
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--color-text-inverse-muted); }
.footer-links a:hover { color: var(--color-accent); }
.footer-contact li { margin-bottom: 0.6rem; display: flex; gap: 0.5rem; }
.footer-contact svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.footer-contact a { color: var(--color-text-inverse-muted); }
.footer-contact a:hover { color: #fff; }

.footer-bottom {
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
}
.footer-legal-links { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.footer-legal-links a { color: var(--color-text-inverse-muted); }
.footer-legal-links a:hover { color: #fff; }

@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; }
}

/* ==========================================================================
   BOTÓN FLOTANTE MÓVIL (llamada / whatsapp)
   ========================================================================== */
.mobile-cta-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 90;
  display: none;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -6px 20px rgba(0,0,0,0.08);
  padding: 0.6rem;
  gap: 0.6rem;
}
.mobile-cta-bar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--fs-sm);
}
.mobile-cta-bar .call { background: var(--color-primary); color: #fff; }
.mobile-cta-bar .whatsapp { background: #25d366; color: #fff; }
.mobile-cta-bar svg { width: 20px; height: 20px; }

@media (max-width: 768px) {
  .mobile-cta-bar { display: flex; }
  body { padding-bottom: 68px; }
}

/* ==========================================================================
   COOKIE BANNER
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 300;
  background: var(--color-graphite-900);
  color: var(--color-text-inverse-muted);
  padding: var(--space-md);
  transform: translateY(100%);
  transition: transform 260ms ease;
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.cookie-banner p { margin: 0; flex: 1; min-width: 240px; font-size: var(--fs-sm); color: var(--color-text-inverse-muted); }
.cookie-banner a { color: #fff; text-decoration: underline; }
.cookie-banner-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }

@media (max-width: 768px) {
  .mobile-cta-bar ~ .cookie-banner { bottom: 68px; }
}