/* ==========================================================================
   ALTUM SOFTWARE - COMPONENTS STYLESHEET
   ========================================================================== */

/* ==========================================================================
   1. Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  flex-shrink: 0;
  margin-right: 2rem;
}

.logo-img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.35);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  background: #FFFFFF;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease, border-color 0.25s ease;
}

.logo:hover .logo-img {
  transform: scale(1.08) rotate(3deg);
  box-shadow: 0 0 24px rgba(6, 182, 212, 0.5);
  border-color: var(--primary-light);
}

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

.desktop-nav {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.desktop-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.35rem 0;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary-light);
}

/* Mobile Menu Toggle */
.mobile-toggle-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(-150%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  z-index: 999;
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu .nav-links {
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.mobile-menu .nav-link {
  font-size: 1.1rem;
  width: 100%;
}

.mobile-menu .btn {
  width: 100%;
  margin-top: 1rem;
  text-align: center;
}

/* ==========================================================================
   2. Buttons & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.8rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--primary-glow);
  filter: brightness(1.1);
}

.btn-secondary {
  background: var(--bg-glass-card);
  border-color: var(--border-subtle);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary-light);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

.btn-whatsapp {
  background: #25D366;
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: #20BA5A;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   3. Hero Section
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 3.5rem);
  padding-bottom: 6rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge-container {
  margin-bottom: 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: var(--primary-light);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 10px #10B981;
}

.hero-title {
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.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: 2.2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

.stat-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hero Visual & Showcase */
.hero-visual {
  position: relative;
}

.hero-card-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 8px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), rgba(139, 92, 246, 0.2), rgba(6, 182, 212, 0.4));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--shadow-glow);
}

.hero-card-inner {
  position: relative;
  border-radius: calc(var(--radius-xl) - 6px);
  overflow: hidden;
  background: var(--bg-secondary);
}

.hero-card-inner img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.hero-card-wrapper:hover .hero-card-inner img {
  transform: scale(1.03);
}

/* Floating Micro Badges */
.floating-badge {
  position: absolute;
  background: rgba(13, 18, 31, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.8rem 1.2rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  z-index: 2;
  transition: transform var(--transition-fast);
}

.floating-badge:hover {
  transform: translateY(-4px);
  border-color: var(--primary-light);
}

.floating-badge-1 {
  top: -20px;
  right: -20px;
  border-left: 3px solid var(--accent-emerald);
}

.floating-badge-2 {
  bottom: -25px;
  left: -25px;
  border-left: 3px solid var(--primary);
}

.badge-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.badge-icon-box.emerald {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.badge-icon-box.blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary-light);
}

.badge-info h5 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.1rem;
}

.badge-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   4. Trust Ticker / Logos
   ========================================================================== */
.trust-section {
  padding: 2.5rem 0 4rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.trust-title {
  text-align: center;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-family: var(--font-mono);
}

.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
}

.trust-logo-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.75;
  transition: all var(--transition-fast);
}

.trust-logo-item:hover {
  opacity: 1;
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   5. Services Section Cards
   ========================================================================== */
.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35), var(--shadow-glow);
  background: var(--bg-card-hover);
}

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

.service-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1.6rem;
  margin-bottom: 1.75rem;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-wrapper {
  background: var(--gradient-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
  transform: scale(1.08);
}

.service-title {
  font-size: 1.45rem;
  margin-bottom: 0.9rem;
}

.service-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.service-features li i {
  color: var(--accent-emerald);
  font-size: 0.85rem;
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-light);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: gap var(--transition-fast);
}

.service-cta:hover {
  gap: 0.8rem;
  color: var(--accent-cyan);
}

/* ==========================================================================
   6. Interactive Project Estimator (Cotizador)
   ========================================================================== */
.estimator-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}

.estimator-step-group {
  margin-bottom: 2.25rem;
}

.estimator-step-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

/* Service Type Selectable Cards */
.options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

@media (max-width: 640px) {
  .options-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.option-card {
  border: 1px solid var(--border-subtle);
  background: var(--bg-glass-card);
  border-radius: var(--radius-md);
  padding: 1.1rem 0.85rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
  position: relative;
  overflow: hidden;
}

.option-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.option-card i {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  display: block;
  color: var(--text-muted);
  transition: transform 0.22s ease, color 0.22s ease;
}

.option-card span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.22s ease;
}

.option-card:hover {
  border-color: rgba(59, 130, 246, 0.45);
  background: rgba(59, 130, 246, 0.08);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.option-card:hover i {
  transform: scale(1.12);
  color: var(--primary-light);
}

.option-card.selected {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.15);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.28), inset 0 0 10px rgba(59, 130, 246, 0.1);
  transform: translateY(-2px);
}

.option-card.selected::before {
  opacity: 1;
}

.option-card.selected i {
  color: var(--primary-light);
  transform: scale(1.1);
}

.option-card.selected span {
  color: var(--text-primary);
  font-weight: 700;
}

/* Feature Checkboxes */
.features-checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

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

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.checkbox-label input[type="checkbox"],
.checkbox-label input[type="radio"] {
  accent-color: var(--primary);
  width: 18px;
  height: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-label:hover {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.35);
  transform: translateY(-1px);
}

.checkbox-label.checked {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.14);
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.18);
  color: var(--text-primary);
}

/* Timeline Selector */
.timeline-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

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

/* Estimator Live Summary Box */
.estimator-summary-box {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, rgba(13, 18, 31, 0.95) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: sticky;
  top: calc(var(--header-height) + 20px);
  box-shadow: var(--shadow-md);
}

.summary-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.summary-header h4 {
  font-size: 1.25rem;
  margin-bottom: 0.3rem;
}

.summary-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.summary-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
}

.summary-label {
  color: var(--text-muted);
  flex-shrink: 0;
}

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

.summary-value.highlight {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.estimate-result-box {
  background: rgba(59, 130, 246, 0.08);
  border: 1px dashed rgba(59, 130, 246, 0.4);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.75rem;
  text-align: center;
  transition: all 0.3s ease;
}

.estimate-result-box .est-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 0.35rem;
}

.estimate-result-box .est-price {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--primary-light);
  display: inline-block;
  transition: transform 0.2s ease, color 0.2s ease;
}

.estimate-result-box .est-price.price-bump {
  animation: pricePulse 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes pricePulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); color: var(--accent-cyan); text-shadow: 0 0 16px rgba(6, 182, 212, 0.6); }
  100% { transform: scale(1); }
}

.estimate-result-box .est-time {
  font-size: 0.88rem;
  color: var(--accent-emerald);
  font-weight: 600;
  margin-top: 0.25rem;
}

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

/* ==========================================================================
   7. Tech Stack Section
   ========================================================================== */
.tech-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.tech-filter-btn {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tech-filter-btn:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}

.tech-filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
}

.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
}

.tech-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  background: var(--bg-card-hover);
}

.tech-icon {
  font-size: 2.2rem;
  margin-bottom: 0.9rem;
  color: var(--primary-light);
}

.tech-name {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.tech-category-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   8. Methodology / Process Section
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.process-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.process-step-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
}

.process-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.process-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   9. Portfolio / Case Studies
   ========================================================================== */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35), var(--shadow-glow);
}

.portfolio-img-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-tertiary);
}

.portfolio-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.portfolio-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(13, 18, 31, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--primary-light);
}

.portfolio-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.portfolio-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.portfolio-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.portfolio-metrics-row {
  display: flex;
  gap: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.p-metric h5 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-emerald);
}

.p-metric span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.portfolio-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

/* ==========================================================================
   10. Why Us / Benefits Section
   ========================================================================== */
.benefit-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.8rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: all var(--transition-fast);
}

.benefit-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.4);
  background: var(--bg-card-hover);
}

.benefit-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1.4rem;
  flex-shrink: 0;
}

.benefit-info h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.benefit-info p {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   11. Testimonials
   ========================================================================== */
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(8px);
}

.testimonial-stars {
  display: flex;
  gap: 0.25rem;
  color: #F59E0B;
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.testimonial-quote {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.1rem;
}

.author-details h5 {
  font-size: 1rem;
  font-weight: 700;
}

.author-details span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   12. FAQ Section (Accordion)
   ========================================================================== */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(59, 130, 246, 0.4);
}

.faq-header {
  padding: 1.4rem 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-question {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-icon {
  font-size: 1rem;
  color: var(--primary-light);
  transition: transform var(--transition-normal);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
  padding: 0 1.8rem;
}

.faq-item.open .faq-body {
  max-height: 400px;
  padding: 0 1.8rem 1.5rem 1.8rem;
}

.faq-body p {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   13. Contact Section & Form
   ========================================================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-direct-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.contact-direct-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.contact-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-direct-text h6 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.contact-direct-text p, .contact-direct-text a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-direct-text a:hover {
  color: var(--primary-light);
}

/* Form Styles */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.05);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

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

.form-feedback {
  display: none;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 0.5rem;
}

.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--accent-emerald);
  color: var(--accent-emerald);
}

/* ==========================================================================
   14. Modal Dialog
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  max-width: 750px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.modal-close-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #EF4444;
  color: #EF4444;
}

.modal-body {
  padding: 2.5rem;
}

/* ==========================================================================
   15. Floating WhatsApp Widget
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 990;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.whatsapp-bubble {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.whatsapp-btn-float {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.whatsapp-btn-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-notification-dot {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #EF4444;
  border: 2px solid var(--bg-primary);
}

/* ==========================================================================
   16. Footer
   ========================================================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem 0;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1rem;
  margin-bottom: 1.75rem;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-social-links {
  display: flex;
  gap: 0.75rem;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
  background: rgba(59, 130, 246, 0.1);
}

.footer-col h5 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-muted);
}

@media (max-width: 1250px) {
  .header-inner {
    gap: 1.25rem;
  }
  .logo {
    margin-right: 1rem;
    font-size: 1.35rem;
  }
  .desktop-nav .nav-links {
    gap: 1rem;
  }
  .nav-link {
    font-size: 0.86rem;
  }
}

@media (max-width: 1080px) {
  .header-actions .btn {
    display: none;
  }
  .desktop-nav {
    display: none;
  }
  .mobile-toggle-btn {
    display: block;
  }
}

@media (max-width: 1024px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
    padding: 2.5rem;
  }
  .estimator-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  .form-group-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .features-checklist {
    grid-template-columns: 1fr;
  }
  .floating-whatsapp {
    bottom: 1.25rem;
    right: 1.25rem;
  }
}