/* ==========================================================================
   ditec.net - Design System & Responsive Stylesheet
   Theme: Crisp Light with Vibrant Tech Orange Accents
   ========================================================================== */

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

:root {
  /* Color Palette */
  --bg-main: #FFFFFF;
  --bg-subtle: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.88);
  
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;
  
  --brand-orange: #FF6B00;
  --brand-orange-dark: #E05A00;
  --brand-orange-light: #FFF5EE;
  --brand-orange-border: rgba(255, 107, 0, 0.2);
  --brand-orange-glow: rgba(255, 107, 0, 0.25);
  
  --brand-blue: #2563EB;
  --brand-blue-light: #EFF6FF;
  
  --border-subtle: #E2E8F0;
  --border-medium: #CBD5E1;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.06), 0 4px 12px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 40px -10px rgba(15, 23, 42, 0.08), 0 8px 20px -6px rgba(15, 23, 42, 0.04);
  --shadow-orange: 0 12px 30px -5px rgba(255, 107, 0, 0.3);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Helpers */
.text-orange {
  color: var(--brand-orange);
}

.text-blue {
  color: var(--brand-blue);
}

.gradient-text {
  background: linear-gradient(135deg, var(--brand-orange) 0%, #FF8800 50%, var(--brand-orange-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.95);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  height: 42px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);

}

.nav-link:hover, .nav-link.active {
  color: var(--brand-orange);
}

.btn-ingresa {
  color: var(--brand-orange);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #DCFCE7;
  color: #166534;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.3);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--brand-orange);
  color: var(--text-inverse);
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  background: var(--brand-orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 16px 35px -5px rgba(255, 107, 0, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  border-color: var(--brand-orange);
  color: var(--brand-orange);
  background: var(--brand-orange-light);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: 150px;
  padding-bottom: 90px;
  background: radial-gradient(circle at top right, rgba(255, 107, 0, 0.05) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-orange-light);
  color: var(--brand-orange);
  border: 1px solid var(--brand-orange-border);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 680px;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Section Shared */
.section {
  padding: 90px 0;
}

.section-bg-subtle {
  background-color: var(--bg-subtle);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-subtitle {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-orange);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-orange) 0%, #FF8800 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

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

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--brand-orange-light);
  color: var(--brand-orange);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  transition: transform var(--transition-fast);
}

.service-card:hover .service-icon {
  transform: scale(1.08) rotate(3deg);
  background: var(--brand-orange);
  color: var(--text-inverse);
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-link {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--brand-orange);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast);
}

.service-card:hover .service-link {
  gap: 10px;
}

/* Interactive Advisory Section */
.calc-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-lg);
  max-width: 960px;
  margin: 0 auto;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.form-select, .form-input, .form-textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  background-color: var(--bg-main);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 3px var(--brand-orange-glow);
}

.calc-summary {
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--border-subtle);
}

.summary-details {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border-medium);
}

/* Why Us Section */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.why-card {
  text-align: center;
  padding: 2rem 1.25rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: transform var(--transition-fast);
}

.why-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-orange-border);
}

.why-icon {
  width: 52px;
  height: 52px;
  background: var(--brand-orange-light);
  color: var(--brand-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 1rem auto;
}

.why-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.why-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Always-Fixed Bottom-Right Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.6);
}

/* Footer */
.footer {
  background-color: #0F172A;
  color: #94A3B8;
  padding-top: 70px;
  padding-bottom: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-title {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 1.15rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

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

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #1E293B;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.825rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-btns {
    justify-content: center;
  }
  
  .hero-stats {
    max-width: 550px;
    margin: 0 auto;
  }

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

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

  .header-status-badge {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-main);
    flex-direction: column;
    padding: 2.5rem 2rem;
    gap: 1.5rem;
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .nav-container {
    height: 70px;
  }

  .logo-img {
    height: 36px;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-description {
    font-size: 0.925rem;
  }

  .hero-btns {
    flex-direction: column;
    width: 100%;
  }

  .hero-btns .btn {
    width: 100%;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

  .calc-box {
    padding: 1.5rem 1rem;
  }

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

  .whatsapp-float {
    bottom: 18px;
    right: 18px;
    width: 52px;
    height: 52px;
    font-size: 1.7rem;
  }
}