/* ==========================================================================
   AuraWash by Harold — Hoja de Estilos Principal
   Paleta de colores proporcionada por el cliente:
   - Blanco Puro (Fondo): #FFFFFF
   - Gris Claro de Interfaz: #E2E8F0
   - Navy Principal (Texto): #16284F
   - Turquesa de Acento (CTAs): #32C7ED
   - Azul Medio (Secundario): #216D9E
   - Gris de Texto Secundario: #6C757D
   ========================================================================== */

/* --- Fuente personalizada (Google Fonts: Outfit + Inter) --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ===== VARIABLES DE DISEÑO - MODO CLARO ===== */
:root {
  /* Colores principales */
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F0F5FA;
  --color-bg-tertiary: #E2E8F0;
  --color-bg-hero: linear-gradient(160deg, #FFFFFF 0%, #E8F4FD 50%, #D0EBFA 100%);
  --color-bg-card: #FFFFFF;
  --color-bg-card-hover: #F7FAFC;

  --color-text-primary: #16284F;
  --color-text-secondary: #6C757D;
  --color-text-inverse: #FFFFFF;
  --color-text-accent: #216D9E;

  --color-accent: #32C7ED;
  --color-accent-hover: #1FB8E0;
  --color-accent-glow: rgba(50, 199, 237, 0.3);
  --color-navy: #16284F;
  --color-blue-medium: #216D9E;
  --color-border: #E2E8F0;
  --color-border-light: rgba(226, 232, 240, 0.6);

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(22, 40, 79, 0.06);
  --shadow-md: 0 4px 14px rgba(22, 40, 79, 0.08);
  --shadow-lg: 0 10px 30px rgba(22, 40, 79, 0.1);
  --shadow-xl: 0 20px 50px rgba(22, 40, 79, 0.12);
  --shadow-accent: 0 4px 20px rgba(50, 199, 237, 0.25);
  --shadow-card: 0 2px 12px rgba(22, 40, 79, 0.06);

  /* Bordes redondeados */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Tipografía */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transiciones */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(16px);
  --glass-border: 1px solid rgba(255, 255, 255, 0.3);

  /* Footer y Contact Info */
  --color-contact-info-bg: var(--color-bg-secondary);
  --color-contact-info-text: var(--color-text-primary);
  --color-contact-info-icon: rgba(33, 109, 158, 0.1);
  --color-contact-info-icon-text: var(--color-accent);

  --color-footer-bg: var(--color-bg-secondary);
  --color-footer-text: var(--color-text-secondary);
  --color-footer-heading: var(--color-text-primary);

  --color-social-bg: rgba(22, 40, 79, 0.08);
  --color-social-text: var(--color-text-primary);
  --color-social-hover-text: #FFFFFF;
}

/* ===== VARIABLES DE DISEÑO - MODO OSCURO ===== */
[data-theme="dark"] {
  --color-bg-primary: #0B1628;
  --color-bg-secondary: #111E33;
  --color-bg-tertiary: #182A45;
  --color-bg-hero: linear-gradient(160deg, #0B1628 0%, #0F1D30 50%, #142540 100%);
  --color-bg-card: #142338;
  --color-bg-card-hover: #1A2D48;

  --color-text-primary: #E8EDF4;
  --color-text-secondary: #8A9AB5;
  --color-text-inverse: #0B1628;
  --color-text-accent: #5AD4F5;

  --color-accent: #32C7ED;
  --color-accent-hover: #5AD4F5;
  --color-accent-glow: rgba(50, 199, 237, 0.2);
  --color-navy: #E8EDF4;
  --color-blue-medium: #3A8BC2;
  --color-border: #1E3352;
  --color-border-light: rgba(30, 51, 82, 0.6);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.35);
  --shadow-accent: 0 4px 20px rgba(50, 199, 237, 0.15);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.2);

  --glass-bg: rgba(11, 22, 40, 0.8);
  --glass-border: 1px solid rgba(30, 51, 82, 0.5);

  --color-contact-info-bg: linear-gradient(135deg, #142338, #1A2D48);
  --color-contact-info-text: #E8EDF4;
  --color-contact-info-icon: rgba(255, 255, 255, 0.1);
  --color-contact-info-icon-text: var(--color-accent);

  --color-footer-bg: #070E1A;
  --color-footer-text: rgba(232, 237, 244, 0.7);
  --color-footer-heading: #E8EDF4;

  --color-social-bg: rgba(255, 255, 255, 0.1);
  --color-social-text: #FFFFFF;
  --color-social-hover-text: #0B1628;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

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

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

ul {
  list-style: none;
}

button {
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: inherit;
  background: none;
  transition: all var(--transition-fast);
}

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

.section {
  padding: 60px 0;
  position: relative;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 8px;
  position: relative;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 50px;
  text-align: center;
}

.accent-line {
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-blue-medium));
  border-radius: var(--radius-full);
  margin: 16px auto 24px;
}

.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }

/* ===== ANIMACIONES ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes water-wave {
  0% { transform: translateX(0) translateY(0); }
  25% { transform: translateX(-5px) translateY(-3px); }
  50% { transform: translateX(0) translateY(-5px); }
  75% { transform: translateX(5px) translateY(-3px); }
  100% { transform: translateX(0) translateY(0); }
}

@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0) rotate(0deg); }
  50% { opacity: 1; transform: scale(1) rotate(180deg); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== HEADER / NAVEGACIÓN ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: var(--glass-border);
  transition: all var(--transition-base);
  height: 72px;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
}

.logo-img {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  object-fit: contain;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text .brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-text-primary);
}

.logo-text .brand span {
  color: var(--color-accent);
}

.logo-text .sub {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Navegación escritorio */
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

/* Controles del header (idioma + tema) */
.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
}

/* Selector de idioma */
.lang-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.lang-btn .chevron-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

/* Imágenes de banderas */
.flag-img {
  width: 24px;
  height: 18px;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.15);
  flex-shrink: 0;
}

.flag-emoji {
  font-size: 1.3rem;
  line-height: 1;
  flex-shrink: 0;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  min-width: 160px;
  z-index: 100;
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background var(--transition-fast);
  width: 100%;
  text-align: left;
}

.lang-option:hover {
  background: var(--color-bg-secondary);
}

.lang-option.active {
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.lang-option .flag-img {
  width: 22px;
  height: 16px;
}

.lang-option .flag-emoji {
  font-size: 1.2rem;
  width: 22px;
  text-align: center;
}

/* Toggle de tema */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
}

.theme-toggle:hover svg {
  transform: rotate(20deg);
}

/* Modo claro: mostrar sol, ocultar luna */
:root .theme-toggle .icon-moon {
  display: none;
}
:root .theme-toggle .icon-sun {
  display: block;
}

/* Modo oscuro: mostrar luna, ocultar sol */
[data-theme="dark"] .theme-toggle .icon-sun {
  display: none !important;
}
[data-theme="dark"] .theme-toggle .icon-moon {
  display: block !important;
}

/* Hamburguesa móvil */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: 10;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-bg-hero);
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

/* Burbujas decorativas */
.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero::before {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--color-accent-glow), transparent 70%);
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(33, 109, 158, 0.1), transparent 70%);
  bottom: -50px;
  left: -80px;
  animation: float 6s ease-in-out infinite reverse;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text {
  animation: slideInLeft 0.8s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: var(--color-accent-glow);
  border: 1px solid rgba(50, 199, 237, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: 25px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 900;
  margin-bottom: 8px;
  line-height: 1.05;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-accent), var(--color-blue-medium));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 600;
  color: var(--color-blue-medium);
  margin-bottom: 16px;
  font-family: var(--font-heading);
}

.hero-description {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  max-width: 500px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Botones globales */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #2BB8DB);
  color: #FFFFFF;
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(50, 199, 237, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* Hero visual (derecho) */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: slideInRight 0.8s ease-out;
}

.hero-logo-container {
  position: relative;
  width: 550px;
  height: 550px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-logo-container .logo-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, var(--color-accent-glow), transparent 70%);
  border-radius: 50%;
  animation: pulse 4s ease-in-out infinite;
}

.hero-logo-img {
  width: 460px;
  height: 460px;
  position: relative;
  z-index: 2;
  animation: float 5s ease-in-out infinite;
  object-fit: contain;
}

/* Stats en el Hero */
.hero-stats {
  display: inline-flex;
  gap: 40px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--color-border);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-top: 2px;
}

/* ===== SECCIÓN DE SERVICIOS ===== */
.services {
  background: var(--color-bg-secondary);
}

/* Pestañas de servicios */
.services-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 50px;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--color-accent), #2BB8DB);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}

.tab-btn svg {
  width: 22px;
  height: 22px;
}

/* Panel de pestañas */
.tab-panel {
  display: none;
  animation: fadeInUp 0.4s ease-out;
}

.tab-panel.active {
  display: block;
}

/* Tarjetas de servicio */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-blue-medium));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card.featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.service-card.featured::before {
  opacity: 1;
}

.card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 14px;
  background: linear-gradient(135deg, var(--color-accent), #2BB8DB);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all var(--transition-fast);
}

.service-card:hover .card-icon {
  background: linear-gradient(135deg, var(--color-accent), #2BB8DB);
}

.card-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.service-card:hover .card-icon svg {
  color: #FFFFFF;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.card-description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.card-features {
  margin-bottom: 24px;
}

.card-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.card-features li svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.card-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.card-price .from {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.card-price .amount {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
}

.card-price .currency {
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-weight: 600;
}

/* ===== CALCULADORA ===== */
.calculator {
  background: var(--color-bg-primary);
}

.calc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.calc-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.calc-group {
  margin-bottom: 24px;
}

.calc-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 10px;
}

.calc-select,
.calc-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  appearance: none;
  outline: none;
}

.calc-select:focus,
.calc-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--color-text-secondary);
  pointer-events: none;
}



/* Radio buttons (tipo de servicio) */
.calc-radio-group {
  display: flex;
  gap: 12px;
}

.calc-radio {
  flex: 1;
}

.calc-radio input {
  display: none;
}

.calc-radio label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.calc-radio label svg {
  width: 32px;
  height: 32px;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.calc-radio label span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.calc-radio input:checked + label {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}

.calc-radio input:checked + label svg,
.calc-radio input:checked + label span {
  color: var(--color-accent);
}

/* Resultado de la calculadora */
.calc-result {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
  text-align: center;
  position: sticky;
  top: 100px;
}

.calc-result-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.calc-price-display {
  padding: 30px;
  background: linear-gradient(135deg, var(--color-accent-glow), rgba(33, 109, 158, 0.1));
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.calc-price-display .price-value {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}

.calc-price-display .price-currency {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.calc-price-display .price-note {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

.calc-summary {
  text-align: left;
  margin-bottom: 24px;
}

.calc-summary-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-border);
}

.calc-summary-item:last-child {
  border-bottom: none;
}

.calc-summary-item .label {
  color: var(--color-text-secondary);
}

.calc-summary-item .value {
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ===== POR QUÉ ELEGIRNOS ===== */
.why-us {
  background: var(--color-bg-secondary);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}

.why-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition-base);
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.why-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: all var(--transition-base);
}

.why-card:hover .why-icon {
  background: linear-gradient(135deg, var(--color-accent), #2BB8DB);
  transform: scale(1.1);
}

.why-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.why-card:hover .why-icon svg {
  color: #FFFFFF;
}

.why-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.why-description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== FORMULARIO DE CONTACTO ===== */
.contact {
  background: var(--color-bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: start;
}

.contact-info {
  padding: 40px;
  background: var(--color-contact-info-bg);
  border-radius: var(--radius-lg);
  color: var(--color-contact-info-text);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.contact-info::before {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(50, 199, 237, 0.15);
}

.contact-info-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--color-contact-info-text);
}

.contact-info-desc {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-bottom: 36px;
  line-height: 1.6;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-contact-info-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-contact-info-icon-text);
}

.contact-detail-text {
  font-size: 0.9rem;
  line-height: 1.5;
}

.contact-detail-text strong {
  display: block;
  font-size: 0.8rem;
  opacity: 0.7;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

/* Formulario */
.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

/* Toast de confirmación */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 16px 28px;
  background: linear-gradient(135deg, var(--color-accent), #2BB8DB);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 9999;
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 60px 0 0;
}

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

.footer-brand .brand-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-footer-heading);
  margin-bottom: 12px;
}

.footer-brand .brand-name span {
  color: var(--color-accent);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 300px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-footer-heading);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-footer-text);
  transition: color var(--transition-fast);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--color-social-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-accent) !important;
  transform: translateY(-4px) scale(1.1) !important;
  box-shadow: 0 5px 15px var(--color-accent-glow) !important;
}

.social-link svg {
  width: 18px;
  height: 18px;
  color: var(--color-social-text);
  transition: color var(--transition-fast);
}

.social-link:hover svg {
  color: var(--color-social-hover-text);
}

/* ===== BOTÓN SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent), #2BB8DB);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 900;
  cursor: pointer;
  text-decoration: none;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(50, 199, 237, 0.4);
}

.scroll-top svg {
  width: 22px;
  height: 22px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .hero-stats {
    justify-content: center;
  }

  .calc-container {
    grid-template-columns: 1fr;
  }

  .calc-result {
    position: static;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 40px 0;
  }

  .nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 5;
  }

  .nav.open {
    display: flex;
  }

  .nav-link {
    font-size: 1.2rem;
    padding: 12px 24px;
  }

  .hamburger {
    display: flex;
  }

  .services-tabs {
    flex-direction: column;
    align-items: stretch;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .footer {
    padding: 30px 0 0;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .calc-radio-group {
    flex-direction: column;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .lang-btn span.lang-name {
    display: none;
  }
}