/* ==========================================================================
   DON SOLUCIONES • LIQUID GLASS DESIGN SYSTEM (WEB & MOBILE)
   Inspirado en la pureza visual y refinamiento de Apple UI
   ========================================================================== */

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

:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Radios de curvatura continua (Squircles) */
  --radius-capsule: 9999px;
  --radius-card: 22px;
  --radius-button: 14px;
  --radius-badge: 10px;

  /* Colores de Marca y Acento */
  --brand-blue: #0a84ff;
  --brand-cyan: #00f2fe;
  --brand-purple: #bf5af2;
  --brand-amber: #ff9f0a;
  --brand-green: #30d158;
  --whatsapp-green: #25d366;

  /* Modo Oscuro por defecto (Espacio Profundo & Aurora) */
  --bg-body: #050813;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-muted: rgba(255, 255, 255, 0.45);

  /* Superficies de Cristal Líquido */
  --glass-nav: rgba(10, 15, 28, 0.65);
  --glass-card: rgba(255, 255, 255, 0.06);
  --glass-card-hover: rgba(255, 255, 255, 0.10);
  --glass-card-featured: linear-gradient(135deg, rgba(0, 242, 254, 0.12) 0%, rgba(191, 90, 242, 0.08) 100%);
  --glass-border: rgba(255, 255, 255, 0.16);
  --glass-border-strong: rgba(255, 255, 255, 0.35);
  --glass-border-featured: rgba(0, 242, 254, 0.45);
  --glass-shadow: 0 16px 40px rgba(0, 0, 0, 0.40);
  --glass-glow: 0 0 35px rgba(0, 242, 254, 0.22);

  --blur-strong: 20px;
  --blur-medium: 14px;
}

/* MODO CLARO POLAR (Invertido Glaciar) */
[data-theme="light"] {
  --bg-body: #f4f7fc;
  --text-primary: #111827;
  --text-secondary: rgba(17, 24, 39, 0.76);
  --text-muted: rgba(17, 24, 39, 0.50);

  --glass-nav: rgba(255, 255, 255, 0.75);
  --glass-card: rgba(255, 255, 255, 0.65);
  --glass-card-hover: rgba(255, 255, 255, 0.85);
  --glass-card-featured: linear-gradient(135deg, rgba(235, 245, 255, 0.85) 0%, rgba(245, 240, 255, 0.75) 100%);
  --glass-border: rgba(255, 255, 255, 0.85);
  --glass-border-strong: rgba(0, 122, 255, 0.35);
  --glass-border-featured: rgba(0, 122, 255, 0.45);
  --glass-shadow: 0 14px 36px rgba(0, 60, 150, 0.08);
  --glass-glow: 0 0 30px rgba(0, 122, 255, 0.15);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  line-height: 1.6;
}

/* GPU Canvas de fondo */
#aurora-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   NAVBAR (Cápsula Flotante de Cristal)
   ========================================================================== */
.navbar-wrapper {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 16px;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1060px;
  height: 64px;
  padding: 8px 18px;
  background: var(--glass-nav);
  backdrop-filter: blur(var(--blur-strong)) saturate(190%);
  -webkit-backdrop-filter: blur(var(--blur-strong)) saturate(190%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-capsule);
  box-shadow: var(--glass-shadow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.25));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--brand-cyan);
  border-radius: 2px;
  transition: all 0.2s ease;
  transform: translateX(-50%);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-theme-toggle:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: scale(1.06);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   BUTTONS (Liquid Capsules)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 22px;
  border-radius: var(--radius-capsule);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue) 0%, #0060df 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 18px rgba(10, 132, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(10, 132, 255, 0.5);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: 150px;
  padding-bottom: 70px;
  text-align: center;
  position: relative;
}

.badge-location {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-capsule);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-green);
  box-shadow: 0 0 10px var(--brand-green);
}

.hero-title {
  font-size: clamp(34px, 5.5vw, 62px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text-aurora {
  background: linear-gradient(135deg, #ffffff 30%, var(--brand-cyan) 75%, var(--brand-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .gradient-text-aurora {
  background: linear-gradient(135deg, #0a1020 20%, #0060df 70%, #bf5af2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 36px auto;
  font-weight: 400;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* Divisor de 2 Caminos (Domótica vs Tabique) */
.split-gateway {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1060px;
  margin: 0 auto;
  text-align: left;
}

.gateway-card {
  position: relative;
  background: var(--glass-card);
  backdrop-filter: blur(var(--blur-medium)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-medium)) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 36px;
  box-shadow: var(--glass-shadow);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.gateway-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent, var(--brand-cyan)), transparent);
  opacity: 0.8;
}

.gateway-domotica {
  --card-accent: var(--brand-cyan);
}

.gateway-tabique {
  --card-accent: var(--brand-amber);
}

.gateway-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-strong);
  background: var(--glass-card-hover);
  box-shadow: var(--glass-shadow), 0 0 30px rgba(0, 242, 254, 0.15);
}

.gateway-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 26px;
}

.gateway-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
}

.gateway-desc {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.55;
}

.gateway-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14.5px;
  text-decoration: none;
  color: var(--card-accent);
  transition: gap 0.2s ease;
}

.gateway-card:hover .gateway-link {
  gap: 14px;
}

/* ==========================================================================
   STATS BAR (Cápsulas de confianza)
   ========================================================================== */
.stats-section {
  padding: 30px 0 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--glass-card);
  backdrop-filter: blur(var(--blur-medium));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--glass-shadow);
}

.stat-item {
  text-align: center;
  padding: 8px;
}

.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--brand-cyan);
  line-height: 1.2;
}

[data-theme="light"] .stat-number {
  color: var(--brand-blue);
}

.stat-label {
  font-size: 13.5px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 4px;
}

/* ==========================================================================
   SECCIÓN DOMÓTICA & PACKS
   ========================================================================== */
.section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 54px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-cyan);
  margin-bottom: 10px;
}

[data-theme="light"] .section-tag {
  color: var(--brand-blue);
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
}

.packs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}

.pack-card {
  position: relative;
  background: var(--glass-card);
  backdrop-filter: blur(var(--blur-medium)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-medium)) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 34px 28px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pack-card:hover {
  transform: translateY(-8px);
  border-color: var(--glass-border-strong);
  background: var(--glass-card-hover);
}

.pack-card.featured {
  background: var(--glass-card-featured);
  border-color: var(--glass-border-featured);
  box-shadow: var(--glass-shadow), var(--glass-glow);
  transform: scale(1.03);
}

.pack-card.featured:hover {
  transform: scale(1.03) translateY(-8px);
}

.pack-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--brand-cyan), var(--brand-blue));
  color: #03050c;
  font-size: 11.5px;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-capsule);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(0, 242, 254, 0.4);
}

.pack-header {
  margin-bottom: 22px;
}

.pack-name {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.pack-subtitle {
  font-size: 13.5px;
  color: var(--text-secondary);
  min-height: 40px;
}

.pack-features {
  list-style: none;
  margin: 24px 0 32px 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
  flex-grow: 1;
}

.pack-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.feature-check {
  color: var(--brand-green);
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 2px;
}

.pack-action .btn {
  width: 100%;
}

/* ==========================================================================
   SECCIÓN DON TABIQUE & AISLAMIENTOS
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--glass-card);
  backdrop-filter: blur(var(--blur-medium));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-strong);
}

.feature-img-wrapper {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

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

.feature-card:hover .feature-img {
  transform: scale(1.06);
}

.feature-content {
  padding: 24px;
}

.feature-title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   CÓMO TRABAJAMOS (3 Pasos Cápsula)
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.step-card {
  background: var(--glass-card);
  backdrop-filter: blur(var(--blur-medium));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--glass-shadow);
}

.step-number {
  width: 46px;
  height: 46px;
  margin: 0 auto 18px auto;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.4);
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ==========================================================================
   OPINIONES / TESTIMONIOS
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.testimonial-card {
  background: var(--glass-card);
  backdrop-filter: blur(var(--blur-medium));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 26px;
  box-shadow: var(--glass-shadow);
}

.stars {
  color: #ffb703;
  margin-bottom: 12px;
  font-size: 15px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 14px;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.55;
}

.testimonial-author {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.testimonial-location {
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   CONTACTO & CTA BANNER
   ========================================================================== */
.contact-banner {
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.15) 0%, rgba(191, 90, 242, 0.12) 100%);
  backdrop-filter: blur(var(--blur-strong));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-card);
  padding: 48px;
  text-align: center;
  box-shadow: var(--glass-shadow);
  max-width: 900px;
  margin: 0 auto;
}

.contact-title {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
}

.contact-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.contact-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   WHATSAPP BOTÓN FLOTANTE
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: #25d366;
  color: #ffffff;
  border-radius: var(--radius-capsule);
  text-decoration: none;
  font-weight: 700;
  font-size: 14.5px;
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-whatsapp:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
}

.wa-pulse {
  width: 10px;
  height: 10px;
  background: #ffffff;
  border-radius: 50%;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  padding: 60px 0 30px 0;
  border-top: 1px solid var(--glass-border);
  margin-top: 80px;
  background: rgba(5, 8, 19, 0.5);
  backdrop-filter: blur(10px);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  width: 100%;
}

/* ==========================================================================
   RESPONSIVE DESIGN (Móviles & Tablets)
   ========================================================================== */
@media (max-width: 992px) {
  .split-gateway {
    grid-template-columns: 1fr;
  }
  .packs-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .pack-card.featured {
    transform: none;
  }
  .pack-card.featured:hover {
    transform: translateY(-8px);
  }
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 16px;
    right: 16px;
    background: var(--glass-nav);
    backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    flex-direction: column;
    gap: 18px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-section {
    padding-top: 120px;
  }
  .contact-banner {
    padding: 30px 20px;
  }
  .floating-whatsapp span {
    display: none;
  }
  .floating-whatsapp {
    padding: 14px;
    bottom: 20px;
    right: 20px;
  }
}