/* ==========================================================================
   COSGUA SUPERVISIÓN Y CONSTRUCCIÓN - ESTILO VISUAL CORPORATIVO
   ========================================================================== */

/* Fuentes: Helvetica como base (Arial/sans-serif como fallback) */
:root {
  /* Paleta de Colores Estricta */
  --c-yellow: #F5C40F;
  --c-black: #0A1C38;
  --c-blue: #286596;
  --c-blue-light: #57768F;
  --c-green: #4CAF50;
  --c-white: #FFFFFF;
  
  /* Tonos neutros para fondos y bordes */
  --c-light-bg: #1A1A1A;
  --c-border: #333333;
  --c-text: #B0B0B0;
  --c-text-light: #888888;
  --c-card-bg: #1E1E1E;

  /* Tipografía */
  --font-base: 'Helvetica', Arial, sans-serif;
  
  /* Transiciones */
  --t-fast: 0.2s ease;
  --t-smooth: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-base);
  font-size: 16px;
  color: var(--c-white);
  background-color: var(--c-black);
}

body {
  line-height: 1.6;
  overflow-x: hidden;
}

/* Tipografía de Encabezados (Simulando Helvetica-Bold) */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: var(--c-blue);
  transition: var(--t-fast);
}

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

/* Clases Utilitarias */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.bg-light { background-color: var(--c-light-bg); }
.bg-dark { background-color: var(--c-black); }
.text-white { color: var(--c-white) !important; }
.text-yellow { color: var(--c-yellow) !important; }
.text-blue { color: var(--c-blue) !important; }
.text-green { color: var(--c-green) !important; }
.text-center { text-align: center; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 25px; }
.mb-1 { margin-bottom: 5px; }
.w-100 { width: 100%; }

.section-header {
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.5rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.divider {
  width: 60px;
  height: 4px;
  background-color: var(--c-yellow);
  margin: 0 auto 15px auto;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--t-smooth);
  text-transform: uppercase;
  font-size: 0.9rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

.btn-primary {
  background-color: var(--c-yellow);
  color: var(--c-black);
}

.btn-primary:hover {
  background-color: #d1a700;
}

.btn-outline-white {
  background-color: transparent;
  color: var(--c-white);
  border-color: var(--c-white);
}

.btn-outline-white:hover {
  background-color: var(--c-white);
  color: var(--c-black);
}

.btn-outline-blue {
  background-color: transparent;
  color: var(--c-blue);
  border-color: var(--c-blue);
}

.btn-outline-blue:hover {
  background-color: var(--c-blue);
  color: var(--c-white);
}

/* Botón Flotante WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: var(--c-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  z-index: 1000;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #1ebd5b;
  color: var(--c-white);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--c-black);
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
  z-index: 999;
  padding: 12px 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  transition: transform var(--t-fast);
}

.brand-logo:hover {
  transform: scale(1.04);
}

.brand-logo .logo-img {
  height: 58px;
  width: auto;
  object-fit: contain;
  filter:
    drop-shadow(0 0 6px rgba(255,255,255,0.55))
    drop-shadow(0 2px 10px rgba(245,196,15,0.3));
  transition: filter var(--t-fast);
}

.brand-logo:hover .logo-img {
  filter:
    drop-shadow(0 0 10px rgba(255,255,255,0.75))
    drop-shadow(0 2px 14px rgba(245,196,15,0.55));
}

.nav-menu {
  display: flex;
  gap: 25px;
  list-style: none;
}

.nav-link {
  color: var(--c-white);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  position: relative;
}

.nav-link:hover {
  color: var(--c-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--c-yellow);
  transition: var(--t-fast);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--c-white);
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(17,17,17,0.9) 0%, rgba(17,17,17,0.4) 100%);
}

.hero-content {
  max-width: 800px;
}

/* Logo grande en el Hero */
.hero-logo-wrapper {
  margin-bottom: 28px;
}

.hero-logo-big {
  height: 160px;
  width: auto;
  max-width: 420px;
  object-fit: contain;
  filter:
    drop-shadow(0 0 18px rgba(255,255,255,0.55))
    drop-shadow(0 4px 24px rgba(245,196,15,0.45));
  animation: heroLogoFloat 3s ease-in-out infinite;
}

@keyframes heroLogoFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

.hero-title {
  font-size: 4rem;
  color: var(--c-white);
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #E0E0E0;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: 15px;
}

/* Nosotros */
.nosotros-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
}

.nosotros-text h3 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.mision-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}

.mv-card {
  background: var(--c-card-bg);
  color: var(--c-text);
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.mv-card h4 {
  color: var(--c-white);
}

.mv-card i {
  margin-bottom: 15px;
}

.valores-card {
  background: var(--c-black);
  color: var(--c-white);
  padding: 40px;
  border-radius: 8px;
}

.valores-card h4 {
  color: var(--c-white);
  font-size: 1.5rem;
  margin-bottom: 25px;
  border-bottom: 2px solid var(--c-yellow);
  display: inline-block;
  padding-bottom: 5px;
}

.valores-list {
  list-style: none;
}

.valores-list li {
  margin-bottom: 12px;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
}

.valores-list li i {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.valores-list li span {
  text-align: justify;
  line-height: 1.55;
}

/* Servicios */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.servicio-card {
  background: var(--c-card-bg);
  color: var(--c-text);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: var(--t-smooth);
  display: flex;
  flex-direction: column;
}

.servicio-content h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--c-white);
}

.servicio-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.servicio-img {
  height: 200px;
  overflow: hidden;
}

.servicio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.servicio-card:hover .servicio-img img {
  transform: scale(1.05);
}

.servicio-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.servicio-icon {
  width: 50px;
  height: 50px;
  background-color: var(--c-light-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-blue);
  margin-bottom: 15px;
}

.servicio-content h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.servicio-content p {
  color: var(--c-text-light);
  font-size: 0.95rem;
  margin-bottom: 15px;
  flex-grow: 1;
}

.servicio-benefits {
  list-style: none;
  margin-bottom: 20px;
}

.servicio-benefits li {
  font-size: 0.85rem;
  position: relative;
  padding-left: 15px;
  margin-bottom: 5px;
}

.servicio-benefits li::before {
  content: '•';
  color: var(--c-yellow);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* Proyectos */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--c-border);
  padding: 8px 20px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 700;
  transition: var(--t-fast);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--c-blue);
  color: var(--c-white);
  border-color: var(--c-blue);
}

.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.proyecto-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  height: 350px;
}

.caso-destacado {
  grid-column: 1 / -1;
  height: 450px;
}

.proyecto-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--t-smooth);
}

.proyecto-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(0deg, rgba(17,17,17,0.9) 0%, rgba(17,17,17,0) 100%);
  color: var(--c-white);
}

.proyecto-overlay h3 {
  color: var(--c-white);
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.proyecto-overlay p {
  font-size: 0.95rem;
  margin-bottom: 5px;
}

.badge-destacado {
  background: var(--c-yellow);
  color: var(--c-black);
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 4px;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 10px;
}

/* Maquinaria */
.maquinaria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 30px;
}

.maquina-card {
  display: flex;
  background: var(--c-card-bg);
  color: var(--c-text);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  overflow: hidden;
}

.maquina-content h4 {
  color: var(--c-white);
  margin-bottom: 5px;
}

.maquina-card img {
  width: 200px;
  object-fit: cover;
}

.maquina-content {
  padding: 20px;
}

/* Logística */
.logistica-wrapper {
  display: flex;
  align-items: center;
  gap: 50px;
  background: var(--c-light-bg);
  border-radius: 12px;
  overflow: hidden;
}

.logistica-img {
  flex: 1;
}

.logistica-img img {
  height: 100%;
  object-fit: cover;
  min-height: 400px;
}

.logistica-content {
  flex: 1;
  padding: 40px 40px 40px 0;
}

.role-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  font-size: 0.85rem;
}

.funciones-list ul {
  list-style: none;
  margin-top: 15px;
}

.funciones-list li {
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

/* Contacto */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
}

.contacto-info {
  background: var(--c-card-bg);
  color: var(--c-text);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.contacto-info h4 {
  color: var(--c-white);
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 30px;
}

.info-item i {
  margin-top: 3px;
}

.contacto-form-wrapper {
  background: var(--c-card-bg);
  color: var(--c-text);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.form-group label {
  color: var(--c-white);
}

.form-group {
  margin-bottom: 20px;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

input, select, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  font-family: var(--font-base);
  font-size: 1rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--c-blue);
}

.form-status {
  margin-top: 15px;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 0.95rem;
  line-height: 1.4;
  text-align: center;
  transition: all 0.3s ease;
}

.form-status.success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid #22c55e;
  color: #22c55e;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #ef4444;
  color: #ef4444;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Footer */
.site-footer {
  background-color: var(--c-black);
  color: var(--c-white);
  padding: 60px 0 20px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #AAAAAA;
}

.footer-links a:hover {
  color: var(--c-yellow);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  color: var(--c-white);
  border-radius: 50%;
  margin-right: 10px;
}

.social-links a:hover {
  background: var(--c-yellow);
  color: var(--c-black);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #888888;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-title { font-size: 3rem; }
  .nosotros-grid { grid-template-columns: 1fr; }
  .contacto-grid { grid-template-columns: 1fr; }
  .logistica-wrapper { flex-direction: column; gap: 0; }
  .logistica-content { padding: 40px; }
}

@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--c-white);
    padding: 20px;
    box-shadow: 0 10px 10px rgba(0,0,0,0.1);
  }
  .nav-menu.active { display: flex; }
  .hero-title { font-size: 2.5rem; }
  .proyectos-grid { grid-template-columns: 1fr; }
  .maquinaria-grid { grid-template-columns: 1fr; }
  .maquina-card { flex-direction: column; }
  .maquina-card img { width: 100%; height: 200px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-group-row { grid-template-columns: 1fr; }
}
/* Coming Soon Animation */
.coming-soon-wrapper {
  padding: 60px 20px;
  background: var(--c-card-bg);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.coming-soon-animation {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 30px auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-circle {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px dashed var(--c-yellow);
  border-radius: 50%;
  animation: spin 8s linear infinite;
}

.cs-icon {
  color: var(--c-white);
  font-size: 3rem;
  z-index: 2;
  animation: pulse 2s ease-in-out infinite;
}
.cs-icon svg {
  width: 48px;
  height: 48px;
}

.coming-soon-text {
  font-size: 2.2rem;
  color: var(--c-yellow);
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.coming-soon-sub {
  font-size: 1.1rem;
  color: var(--c-text);
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); color: var(--c-yellow); }
}