/* ==========================================================================
   ISOMETRÍA EMPRESARIAL S.A. - CORE DESIGN SYSTEM
   Ultramodern Industrial B2B Visual Identity
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Paleta Primaria - Identidad Sutil y Sofisticada */
  --color-primary: #f5771c;
  --color-primary-hover: #e0650e;
  --color-primary-glow: rgba(245, 119, 28, 0.25);
  --color-primary-subtle: rgba(245, 119, 28, 0.1);
  --color-accent-blue: #0284c7;
  --color-accent-blue-glow: rgba(2, 132, 199, 0.2);
  --color-accent-emerald: #10b981;

  /* Fondo & Superficies */
  --bg-dark: #070a11;
  --bg-card: #0e1524;
  --bg-card-hover: #141e33;
  --bg-surface: #121b2d;
  --bg-glass: rgba(14, 21, 36, 0.75);
  --bg-glass-heavy: rgba(7, 10, 17, 0.88);

  /* Bordes & Sombras */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-primary: rgba(245, 119, 28, 0.35);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 40px -8px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 35px rgba(245, 119, 28, 0.18);
  --shadow-glow-blue: 0 0 35px rgba(2, 132, 199, 0.18);

  /* Tipografía */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Textos */
  --text-white: #ffffff;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-primary-inverse: #070a11;

  /* Estructura */
  --max-width: 1280px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset y Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Energy Mesh */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(circle at 15% 15%, rgba(245, 119, 28, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 85% 65%, rgba(2, 132, 199, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(245, 119, 28, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Grid sutil técnico */
.bg-grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

/* Contenedores */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Tipografía y Encabezados */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-white);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2vw, 1.75rem); }
h4 { font-size: 1.25rem; font-weight: 600; }

p {
  color: var(--text-secondary);
  font-size: 1rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

/* Badges y Etiquetas */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
}

.badge-primary {
  background: var(--color-primary-subtle);
  border-color: var(--border-primary);
  color: #ff9233;
}

.badge-blue {
  background: var(--color-accent-blue-glow);
  border-color: rgba(2, 132, 199, 0.4);
  color: #38bdf8;
}

.badge-pulse {
  position: relative;
}

.badge-pulse::before {
  content: '';
  width: 7px;
  height: 7px;
  background-color: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-primary);
  display: inline-block;
  animation: pulse-dot 2s infinite;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.65rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #f5771c 0%, #d9620b 100%);
  color: var(--text-white);
  box-shadow: 0 4px 16px rgba(245, 119, 28, 0.35);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ff8933 0%, #f5771c 100%);
  box-shadow: 0 6px 24px rgba(245, 119, 28, 0.55);
  transform: translateY(-2px);
  color: var(--text-white);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-card);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-primary);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-card);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-white);
  color: var(--text-white);
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.0625rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  background: var(--bg-glass-heavy);
  box-shadow: var(--shadow-md);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo img {
  height: 46px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.brand-title span {
  color: var(--color-primary);
}

.brand-sub {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-white);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  pointer-events: none;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.dropdown-item i {
  color: var(--color-primary);
  font-size: 0.9rem;
  width: 18px;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-white);
}

/* Acciones en Header */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-white);
  font-size: 1.25rem;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Banner Superior de Anuncio */
.top-announcement-bar {
  background: linear-gradient(90deg, #182236 0%, #1e2c47 50%, #182236 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.4rem 1rem;
  font-size: 0.78125rem;
  color: var(--text-secondary);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.top-announcement-bar strong {
  color: var(--color-primary);
}

.top-announcement-bar a {
  color: #38bdf8;
  text-decoration: underline;
}

/* ==========================================================================
   FOOTER CORPORATIVO
   ========================================================================== */

.site-footer {
  background: #04060a;
  border-top: 1px solid var(--border-subtle);
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  margin-top: 6rem;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 1.0625rem;
  color: var(--text-white);
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--color-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--color-primary);
  transform: translateX(3px);
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-contact-item i {
  color: var(--color-primary);
  margin-top: 0.25rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-admin-link {
  color: var(--text-muted);
  font-size: 0.75rem;
  opacity: 0.6;
}

.footer-admin-link:hover {
  opacity: 1;
  color: var(--color-primary);
}

/* Floating WhatsApp Concierge */
.whatsapp-floating-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #25d366;
  color: #ffffff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-floating-btn:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
  color: #ffffff;
}

.whatsapp-beacon {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid #25d366;
  animation: radar-pulse 2s infinite;
  pointer-events: none;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 992px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--bg-card);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    gap: 1.5rem;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: var(--transition);
    border-top: 1px solid var(--border-subtle);
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-dropdown-menu {
    position: static;
    transform: none;
    width: 100%;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    box-shadow: none;
    background: rgba(0, 0, 0, 0.2);
    margin-top: 0.5rem;
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .header-actions .btn {
    display: none;
  }

  .top-announcement-bar {
    font-size: 0.72rem;
    padding: 0.4rem 0.5rem;
    flex-direction: column;
    gap: 0.25rem;
  }
}