:root {
  --color-bg: #f5f6fa;
  --color-bg-alt: #ffffff;
  --color-primary: #0078ff; /* azul eléctrico */
  --color-primary-dark: #0056b3;
  --color-accent: #111111;  /* negro */
  --color-text: #1f2933;
  --color-muted: #6b7280;
  --radius-lg: 16px;
  --shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.08);
  --transition-fast: 0.2s ease;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  scroll-behavior: smooth;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Layout base */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 4.5rem 0;
}

section:nth-of-type(even) {
  background: var(--color-bg-alt);
}

h1, h2, h3 {
  color: var(--color-accent);
  font-weight: 600;
}

h2.section-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 2.5rem;
}

/* Header / Navbar */

header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(245, 246, 250, 0.9);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-accent);
}

.nav-logo img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.nav-links a {
  position: relative;
  padding-bottom: 0.25rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 999px;
  transition: width var(--transition-fast);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cart {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.nav-cart span.icon {
  font-size: 1rem;
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  font-size: 1.6rem;
  cursor: pointer;
}

/* Hero / Inicio */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
  padding-top: 3rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(0, 120, 255, 0.08);
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.1rem, 3.5vw, 3rem);
  margin-bottom: 1rem;
}

.hero-highlight {
  color: var(--color-primary);
}

.hero-text {
  font-size: 0.98rem;
  color: var(--color-muted);
  margin-bottom: 1.75rem;
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 18px 35px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: var(--color-primary-dark);
  box-shadow: 0 22px 45px rgba(37, 99, 235, 0.55);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.8);
  color: var(--color-accent);
}

.btn-outline:hover {
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.hero-video {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: radial-gradient(circle at top, #0f172a, #020617);
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.6);
  min-height: 260px;
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 120, 255, 0.35),
    rgba(15, 23, 42, 0.9)
  );
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-video-content {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #e5e7eb;
}

.hero-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
  font-size: 0.75rem;
}

.hero-video-card {
  border-radius: 0.9rem;
  padding: 0.7rem 0.85rem;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.hero-video-card strong {
  display: block;
  font-size: 0.75rem;
  margin-bottom: 0.2rem;
  color: #ffffff;
}

.hero-fake-video {
  margin-top: 1.25rem;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  height: 135px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(120deg, #020617 0%, #0b192f 30%, #0f172a 60%, #020617 100%);
}

.hero-fake-video::after {
  content: "Vista previa de instalaciones y proyectos ENERSYK";
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  font-size: 0.75rem;
  color: #cbd5f5;
  opacity: 0.85;
}

/* Tienda / E-commerce */

.store-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
}

.card-tag {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: rgba(0, 120, 255, 0.08);
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card-text {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
  flex: 1;
}

.card-price {
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.card-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-cart {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.mini-text {
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* Portafolio */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.portfolio-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #020617;
  position: relative;
  box-shadow: var(--shadow-soft);
}

.portfolio-info {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.75rem 1rem;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
  color: #e5e7eb;
  font-size: 0.8rem;
}

.portfolio-title {
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.portfolio-tag {
  font-size: 0.7rem;
  opacity: 0.8;
}

/* Servicios */

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.3rem;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.service-icon {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: rgba(0, 120, 255, 0.08);
  margin-bottom: 0.8rem;
}

.service-card h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.service-card p {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.services-cta {
  margin-top: 2rem;
  display: flex;
  justify-content: flex-start;
}

/* Misión y Visión */

.mv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.mv-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.mv-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary-dark);
  margin-bottom: 0.35rem;
}

.mv-title {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

/* Contacto */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-form {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  color: var(--color-accent);
}

.form-group input,
.form-group textarea {
  width: 100%;
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.9);
  padding: 0.7rem 0.85rem;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background var(--transition-fast);
  background: #f9fafb;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(0, 120, 255, 0.3);
  background: #ffffff;
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.contact-info-card {
  background: #020617;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  color: #e5e7eb;
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.7);
  position: relative;
  overflow: hidden;
}

.contact-info-card::after {
  content: "";
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle at 10% -10%, rgba(0, 120, 255, 0.3), transparent 55%);
  opacity: 0.9;
  pointer-events: none;
}

.contact-info-inner {
  position: relative;
  z-index: 1;
}

.contact-info-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.contact-info-list {
  margin-top: 1rem;
  font-size: 0.85rem;
}

.contact-info-item {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
  align-items: flex-start;
}

.contact-info-icon {
  font-size: 1rem;
  opacity: 0.8;
  margin-top: 0.05rem;
}

.map-placeholder {
  margin-top: 1.25rem;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: linear-gradient(135deg, #020617, #0b192f);
  height: 150px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5f5;
  text-align: center;
  padding: 0.5rem;
}

/* Footer */

footer {
  background: #020617;
  color: #9ca3af;
  padding: 2rem 0 2.5rem;
  margin-top: 3rem;
  border-top: 1px solid rgba(148, 163, 184, 0.4);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.footer-links a {
  color: #e5e7eb;
  opacity: 0.85;
  font-size: 0.8rem;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-top-link {
  font-size: 0.8rem;
}

/* Botón flotante WhatsApp */

.whatsapp-float {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 60;
}

.whatsapp-float a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 999px;
  background: #25d366;
  box-shadow: 0 20px 35px rgba(15, 23, 42, 0.5);
  color: #ffffff;
  font-size: 1.9rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float a:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 24px 45px rgba(15, 23, 42, 0.7);
}

/* Utilidades */

.badge-pill {
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.7rem;
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: var(--color-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
}

/* Responsive */

@media (max-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-video {
    order: -1;
  }

  .store-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    inset: 72px 0 auto 0;
    background: rgba(245, 246, 250, 0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem 1rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .nav-links.open {
    transform: translateY(0%);
    opacity: 1;
    pointer-events: auto;
  }

  .store-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .services-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }

  section {
    padding: 3.5rem 0;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}



/* ====== Carrito (multi-página) ====== */
.nav-cart { position: relative; }
.cart-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  font-size: 12px;
  margin-left: 8px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(0,153,255,.18);
}

.cart-panel{
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 16px;
  background: rgba(0,0,0,.25);
}

.cart-table-wrap{ overflow-x:auto; }
.cart-table{
  width:100%;
  border-collapse: collapse;
  min-width: 720px;
}
.cart-table th, .cart-table td{
  padding: 12px 10px;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.t-right{ text-align:right; }
.t-center{ text-align:center; }

.qty{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px;
  padding: 6px 10px;
}
.qty button{
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.16);
  background: transparent;
  color: inherit;
  cursor: pointer;
}
.qty button:hover{ background: rgba(255,255,255,.06); }
.qty span{ min-width: 18px; text-align:center; display:inline-block; }

.cart-summary{
  display:flex;
  flex-wrap: wrap;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
}
.cart-total{ display:flex; gap: 10px; align-items: baseline; }
.cart-actions{ display:flex; gap: 10px; flex-wrap: wrap; }

.notice{
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px dashed rgba(255,255,255,.22);
  background: rgba(255,255,255,.04);
}

@media (max-width: 640px){
  .cart-actions .btn{ width: 100%; }
}


/* ===== WhatsApp flotante (todas las páginas) ===== */
.whatsapp-float{
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 56px;
  height: 56px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #25D366;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  z-index: 9999;
}
.whatsapp-float img{
  width: 30px;
  height: 30px;
}
@media (max-width: 640px){
  .whatsapp-float{ right: 14px; bottom: 14px; width: 52px; height: 52px; }
}

/* ===== Botones sociales (Contacto) ===== */
.contact-social{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}
.social-btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  color: #e5e7eb;
  font-weight: 600;
}
.social-btn img{
  width: 18px;
  height: 18px;
}

/* ===== Mapa embebido (Contacto) ===== */
.map-embed{
  margin-top: 14px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
}
.map-embed iframe{
  width: 100%;
  height: 260px;
  border: 0;
  display: block;
}
@media (max-width: 640px){
  .map-embed iframe{ height: 220px; }
}

/* ===== Carruseles (Servicios) ===== */
.service-carousels{
  margin-top: 28px;
  padding-top: 8px;
}
.subsection-title{
  margin: 0 0 6px 0;
}
.muted{
  color: rgba(255,255,255,.75);
  margin: 0 0 18px 0;
}
.carousel-block{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 14px;
}
.carousel-head h4{
  margin: 0 0 6px 0;
}
.carousel-head p{
  margin: 0 0 12px 0;
  color: rgba(255,255,255,.78);
}
.carousel{
  position: relative;
}
.carousel-track{
  display: flex;
  overflow: hidden;
  scroll-behavior: smooth;
  border-radius: 14px;
}
.carousel-track img{
  flex: 0 0 100%;
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: rgba(0,0,0,.25);
}
.carousel-btn{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.20);
  background: rgba(0,0,0,.35);
  color: #fff;
  font-size: 22px;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.carousel-btn.prev{ left: 10px; }
.carousel-btn.next{ right: 10px; }
@media (max-width: 640px){
  .carousel-track img{ height: 200px; }
  .carousel-btn{ width: 36px; height: 36px; }
}

/* ===== Tipografía Servicios ===== */
.page-servicios{
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
.btn-sm{
  padding: 10px 14px;
  font-size: 14px;
}


/* Accesos rápidos flotantes */
.quick-float{
  position: fixed;
  left: 1.2rem;
  bottom: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 10000;
}
.quick-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(0,0,0,0.35);
  border: 1px solid rgba(148,163,184,0.35);
  backdrop-filter: blur(8px);
}
.quick-primary{
  background: rgba(37,99,235,0.92);
  color: #ffffff;
}
.quick-secondary{
  background: rgba(15,23,42,0.85);
  color: #e5e7eb;
}
.quick-btn:hover{ transform: translateY(-1px); }
@media (max-width: 520px){
  .quick-float{ left: 0.9rem; bottom: 0.9rem; }
  .quick-btn{ font-size: 0.85rem; padding: 0.65rem 0.85rem; }
}

/* Tipografía con más presencia (solo Servicios) */
.page-servicios{
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
}
.page-servicios .section-title,
.page-servicios h3,
.page-servicios h4{
  letter-spacing: 0.2px;
}

/* Portafolio: carruseles por servicio */
.portfolio-carousels{
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}