/* ==========================================================================
   SERVIGRAM DESIGN SYSTEM & PREMIUM STYLE SHEET
   Fully optimized for instant load and premium modern aesthetics.
   ========================================================================== */

/* --- Custom Variables & OKLCH Theme Tokens --- */
:root {
  /* Color Palette (Light Mode Default) */
  --background: oklch(100% 0 0);
  --foreground: oklch(22% .05 250);
  
  --primary: oklch(28% .09 250); /* Deep Navy Blue */
  --primary-foreground: oklch(99% 0 0);
  
  --secondary: oklch(96% .01 240); /* Cool light grey */
  --secondary-foreground: oklch(28% .09 250);
  
  --muted: oklch(96% .005 250);
  --muted-foreground: oklch(50% .02 250);
  
  --accent: oklch(72% .13 220); /* Vibrant Teal / Cyan Accent */
  --accent-foreground: oklch(15% .05 250);
  
  --destructive: oklch(60% .22 27);
  --destructive-foreground: oklch(99% 0 0);
  
  --border: oklch(90% .01 250);
  --input: oklch(92% .01 250);
  --ring: oklch(72% .13 220);
  
  --deep: oklch(20% .07 250); /* Accent Dark Navy */
  --white: #ffffff;
  
  /* Fallback Hex Colors for Older Browsers */
  --primary-hex: #12204c;
  --accent-hex: #0ea5e9;
  --border-hex: #e2e8f0;
  
  /* Layout & Sizing Tokens */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  
  --container-max: 1280px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.32, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.32, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.32, 1);
  
  --shadow-sm-val: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md-val: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg-val: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl-val: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-accent-val: 0 10px 20px -3px rgba(14, 165, 233, 0.15);
}

/* System-based Auto Dark Mode Adaptation */


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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

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

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

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

.max-w-5xl {
  max-width: 64rem;
}

.grid {
  display: grid;
}

.flex {
  display: flex;
}

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.w-full { width: 100%; }
.text-center { text-align: center; }

/* Custom Spacers & Padding */
section {
  padding-top: 6rem;
  padding-bottom: 6rem;
  position: relative;
}

/* Box Shadows */
.shadow-sm { box-shadow: var(--shadow-sm-val); }
.shadow-md { box-shadow: var(--shadow-md-val); }
.shadow-lg { box-shadow: var(--shadow-lg-val); }
.shadow-xl { box-shadow: var(--shadow-xl-val); }

/* Icons helper */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  display: inline-block;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.icon.accent {
  stroke: var(--accent);
}

/* --- Glow FX --- */
.radial-glow-top {
  position: absolute;
  top: 0;
  right: 0;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, rgba(14, 165, 233, 0) 70%);
  pointer-events: none;
  z-index: -1;
}

.radial-glow-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.12) 0%, rgba(14, 165, 233, 0) 75%);
  pointer-events: none;
  z-index: -1;
}

/* --- Typographical Highlights --- */
.accent-text {
  color: var(--accent);
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  color: var(--foreground);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

/* Header Dark Text styles */
.section-tag.dark {
  color: var(--accent);
}
.section-title.dark {
  color: var(--primary-foreground);
}
.section-subtitle.dark {
  color: rgba(255, 255, 255, 0.7);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

/* --- Premium Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.75rem 1.5rem;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn-lg {
  padding: 1rem 2rem;
  border-radius: var(--radius-xl);
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 4px 14px 0 rgba(18, 32, 76, 0.15);
}

.btn-primary:hover {
  background-color: var(--deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(18, 32, 76, 0.2);
}

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

.btn-secondary {
  background-color: var(--background);
  border: 1px solid var(--border);
  color: var(--foreground);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* --- Header Component --- */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 5rem;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

/* Dark Mode Header styles override */


.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  height: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.logo-img {
  height: 2.75rem;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.logo-link:hover .logo-img {
  transform: scale(1.02);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
  padding: 0.5rem 0.25rem;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

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

.mobile-menu-toggle {
  display: none;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  color: var(--primary);
  transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background-color: var(--secondary);
}

/* --- Mobile Drawer Overlay --- */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -20rem;
  width: 20rem;
  height: 100vh;
  background-color: var(--background);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  z-index: 150;
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  transition: right var(--transition-normal);
}

.mobile-drawer.open {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.drawer-close {
  padding: 0.5rem;
  border-radius: var(--radius-md);
  color: var(--foreground);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: auto;
}

.mobile-link {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.mobile-link:hover {
  color: var(--accent);
  padding-left: 0.25rem;
}

.drawer-footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 140;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* --- Hero Section --- */
.hero-section {
  padding-top: 7rem;
  padding-bottom: 3.5rem;
  overflow: hidden;
}

.gradient-bg-hero {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(246, 248, 252, 0.8) 0%, rgba(255, 255, 255, 0) 100%);
  z-index: -2;
}



.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.2);
  color: var(--primary);
  border-radius: 9999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 2.5rem;
  color: var(--foreground);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-description {
  font-size: 0.95rem;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.group-hover-arrow svg {
  transition: transform var(--transition-fast);
}

.group-hover-arrow:hover svg {
  transform: translateX(4px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 28rem;
}

.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-lbl {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl-val);
  border: 1px solid var(--border);
}

.hero-img {
  width: 100%;
  height: 22.5rem;
  object-fit: cover;
  display: block;
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 32, 76, 0) 60%, rgba(18, 32, 76, 0.35) 100%);
}

.floating-badge {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--background);
  border: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl-val);
}

.badge-icon-box {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  background-color: rgba(14, 165, 233, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.badge-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--foreground);
}

.badge-subtitle {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* --- Technology Section --- */
.tech-section {
  background-color: var(--secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.tech-card {
  background-color: var(--background);
  border: 1px solid var(--border);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-2xl);
  transition: all var(--transition-normal);
}

.tech-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow-accent-val);
}

.card-icon-box {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-foreground);
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 10px rgba(14, 165, 233, 0.2);
}

.card-title {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: var(--foreground);
}

.card-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* --- Applications Section --- */
.apps-section {
  background-color: var(--background);
}

.apps-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3.5rem;
}

.apps-header .section-title {
  margin-bottom: 0;
}

.apps-filter-tabs {
  display: flex;
  background-color: var(--secondary);
  padding: 0.35rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  gap: 0.25rem;
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted-foreground);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.filter-tab.active {
  background-color: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-sm-val);
}

.filter-tab:not(.active):hover {
  color: var(--foreground);
}

.apps-display-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.apps-images-area {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  align-items: flex-start;
}

.image-showcase {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--border);
  background-color: var(--secondary);
}

.large-img {
  height: 26rem;
}

.small-img {
  height: 13rem;
  margin-top: 4rem;
}

.apps-showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.apps-details-card {
  background-color: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  min-height: 26rem;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.card-badge-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-xl);
  background-color: rgba(14, 165, 233, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.apps-card-title {
  font-size: 1.5rem;
  color: var(--foreground);
  margin-bottom: 0.75rem;
}

.apps-card-desc {
  font-size: 0.95rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.apps-card-list {
  list-style: none;
  margin-bottom: 2.5rem;
}

.apps-card-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.apps-card-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  align-self: flex-start;
}

.apps-card-cta:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* --- Electrical Maintenance Section --- */
.electrical-section {
  background-color: var(--secondary);
}

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

.electrical-content .section-title {
  margin-bottom: 1.25rem;
}

.electrical-content .section-desc {
  font-size: 1rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.electrical-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.link-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

.link-cta:hover {
  color: var(--accent);
}

.electrical-showcase {
  position: relative;
}

.showcase-card {
  position: relative;
  border-radius: var(--radius-3xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xl-val);
}

.showcase-img {
  width: 100%;
  height: 24rem;
  object-fit: cover;
  display: block;
}

.showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 32, 76, 0) 30%, rgba(18, 32, 76, 0.7) 100%);
}

.showcase-badge-container {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.showcase-mini-badge {
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.5rem;
  border-radius: var(--radius-xl);
  color: var(--white);
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.showcase-mini-badge svg {
  width: 1.125rem;
  height: 1.125rem;
}

.electrical-subimages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.subimage-card {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  height: 14rem;
  border: 1px solid var(--border);
}

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

.subimage-card:hover .sub-img {
  transform: scale(1.05);
}

.electrical-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.el-feature-card {
  background-color: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  transition: border-color var(--transition-fast);
}

.el-feature-card:hover {
  border-color: rgba(14, 165, 233, 0.4);
}

.el-icon-box {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-xl);
  background-color: rgba(14, 165, 233, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.el-card-title {
  font-size: 1.125rem;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.el-card-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* --- Technical Process Section --- */
.process-section {
  background-color: var(--deep);
  color: var(--primary-foreground);
}

.process-steps-container {
  position: relative;
  margin-top: 5rem;
}

.process-line {
  position: absolute;
  top: 2rem;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(14, 165, 233, 0.4) 50%, rgba(255, 255, 255, 0) 100%);
  z-index: 1;
}

.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  position: relative;
  z-index: 2;
}

.step-card {
  text-align: left;
}

.step-icon-box {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-2xl);
  background-color: var(--accent);
  color: var(--accent-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: 0 10px 25px rgba(14, 165, 233, 0.3);
}

.step-icon-box svg {
  width: 1.5rem;
  height: 1.5rem;
}

.step-num {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* --- Mission & Commitment --- */
.mission-section {
  background-color: var(--background);
}

.md-2-cols {
  grid-template-columns: 1fr 1fr;
}

.half-card {
  background-color: var(--secondary);
  border: 1px solid var(--border);
  padding: 3rem;
  border-radius: var(--radius-2xl);
  position: relative;
  overflow: hidden;
}

.half-icon-box {
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.half-icon-box svg {
  width: 2.5rem;
  height: 2.5rem;
}

.half-tag {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.half-title {
  font-size: 1.5rem;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.half-desc {
  font-size: 0.95rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* --- Snappy Cotizador Section --- */
.calc-section {
  background-color: var(--secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stepper-box {
  background-color: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-3xl);
  overflow: hidden;
  margin-top: 3rem;
}

.stepper-headers {
  display: flex;
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  justify-content: space-between;
}

.step-header {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
  position: relative;
}

.step-header:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -50%;
  top: 50%;
  transform: translateY(-50%);
  width: 60%;
  height: 2px;
  background-color: var(--border);
  z-index: 1;
}

.step-indicator {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: var(--secondary);
  color: var(--muted-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  position: relative;
  z-index: 2;
  transition: all var(--transition-fast);
  margin-right: 0.5rem;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
  position: relative;
  z-index: 2;
}

/* Stepper Stepping Class States */
.step-header.active .step-indicator {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.step-header.active .step-label {
  color: var(--foreground);
}

.step-header.completed .step-indicator {
  background-color: var(--accent);
  color: var(--white);
}

/* Stepper Content Panes */
.stepper-content {
  padding: 3rem 4rem;
  min-height: 22.5rem;
  position: relative;
}

.step-pane {
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.step-pane.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.pane-title {
  font-size: 1.25rem;
  color: var(--foreground);
  margin-bottom: 2rem;
}

/* Step 1: Surface cards */
.pane-grid-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.surface-option {
  border: 2px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 2rem 1.5rem;
  text-align: left;
  transition: all var(--transition-fast);
}

.surface-option:hover {
  border-color: rgba(14, 165, 233, 0.4);
}

.surface-option.selected {
  border-color: var(--primary);
  background-color: rgba(18, 32, 76, 0.02);
}



.option-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  background-color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.25rem;
  transition: all var(--transition-fast);
}

.surface-option.selected .option-icon {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.option-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
}

/* Step 2: Slider area */
.pane-area-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 0;
}

.range-value-display {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 2rem;
}

.m2-unit {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--muted-foreground);
}

.slider-container {
  width: 100%;
  max-width: 32rem;
  margin-bottom: 2rem;
}

.area-range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background-color: var(--border);
  outline: none;
}

.area-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background-color: var(--primary);
  border: 3px solid var(--background);
  cursor: pointer;
  box-shadow: var(--shadow-md-val);
  transition: transform 0.1s ease;
}

.area-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.range-limits {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.5rem;
  font-weight: 600;
}

.direct-number-input {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.cinput {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background-color: var(--background);
  padding: 0.65rem 0.9rem;
  font-size: 0.875rem;
  color: var(--foreground);
  transition: all var(--transition-fast);
}

.cinput:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.inline-input {
  width: 6rem;
  padding: 0.4rem 0.65rem;
  text-align: center;
}

/* Step 3: Checkboxes */
.pane-grid-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.checkbox-option {
  display: block;
  cursor: pointer;
}

.custom-checkbox {
  display: none;
}

.checkbox-details {
  border: 2px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition-fast);
}

.checkbox-option:hover .checkbox-details {
  border-color: rgba(14, 165, 233, 0.4);
}

.box-check-indicator {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 4px;
  border: 2px solid var(--border);
  display: inline-block;
  position: relative;
  transition: all var(--transition-fast);
}

.checkbox-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--foreground);
}

/* Custom checkbox select state */
.custom-checkbox:checked + .checkbox-details {
  border-color: var(--primary);
  background-color: rgba(18, 32, 76, 0.02);
}



.custom-checkbox:checked + .checkbox-details .box-check-indicator {
  border-color: var(--primary);
  background-color: var(--primary);
}

.custom-checkbox:checked + .checkbox-details .box-check-indicator::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 7px;
  border: solid var(--primary-foreground);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Step 4: Contact Form */
.pane-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

.form-double-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label-txt {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--foreground);
}

/* Step 5: Success Pane */
.success-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem 0;
}

.success-icon-ring {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background-color: rgba(14, 165, 233, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.success-icon-ring svg {
  width: 2rem;
  height: 2rem;
}

.success-title {
  font-size: 1.5rem;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.success-desc {
  font-size: 0.95rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  max-width: 28rem;
  margin-bottom: 2.5rem;
}

/* Stepper Bottom Nav */
.stepper-nav {
  display: flex;
  padding: 1.25rem 2.5rem;
  border-top: 1px solid var(--border);
  background-color: var(--secondary);
  justify-content: space-between;
}

.btn-step-prev {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted-foreground);
  transition: color var(--transition-fast);
}

.btn-step-prev:not(:disabled):hover {
  color: var(--foreground);
}

.btn-step-prev:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* --- Contact & Traditional Form Section --- */
.contact-section {
  background-color: var(--background);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: flex-start;
  margin-top: 3.5rem;
}

.contact-form {
  background-color: var(--background);
  border: 1px solid var(--border);
  padding: 3rem;
  border-radius: var(--radius-2xl);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.resize-none {
  resize: none;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border: 1px solid var(--border);
  background-color: var(--background);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-2xl);
  transition: all var(--transition-fast);
}

.contact-info-card:not(.highlighted):hover {
  border-color: rgba(14, 165, 233, 0.4);
  transform: translateX(4px);
}

.contact-info-card.highlighted {
  border-color: var(--accent);
  background-color: rgba(14, 165, 233, 0.05);
}

.contact-info-card.highlighted:hover {
  transform: translateX(4px);
  background-color: rgba(14, 165, 233, 0.08);
}

.info-card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-xl);
  background-color: var(--secondary);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-card-icon.bg-accent {
  background-color: var(--accent);
  color: var(--accent-foreground);
}

.info-lbl {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.info-val {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
}

/* --- Footer Component --- */
.main-footer {
  background-color: var(--background);
  border-top: 1px solid var(--border);
  padding-top: 5rem;
}

/* Footer Dark borders adaptation override */


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

.brand-tagline {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 1.5rem;
  line-height: 1.6;
  max-width: 24rem;
}

.footer-hdr {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--foreground);
  margin-bottom: 1.5rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

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

.footer-contact-details {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.footer-contact-details p {
  margin-bottom: 0.75rem;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background-color: var(--secondary);
}

.bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* --- Scroll To Top button --- */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background-color: var(--primary);
  color: var(--primary-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg-val);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
}

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

.scroll-to-top:hover {
  background-color: var(--deep);
  transform: translateY(-3px);
}

/* ==========================================================================
   HIGH FIDELITY RESPONSIVE MEDIA QUERIES
   ========================================================================== */

@media (max-width: 1024px) {
  h1 { font-size: 2.25rem; }
  .hero-title { font-size: 2.25rem; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-stats {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-img {
    height: 18rem;
  }
  .floating-badge {
    left: 2rem;
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .apps-display-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .apps-images-area {
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    max-width: 40rem;
  }
  .apps-details-card {
    min-height: auto;
  }
  .electrical-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .showcase-img {
    height: 20rem;
  }
  .electrical-subimages {
    margin-top: 1.5rem;
  }
  .process-steps-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .process-line {
    display: none;
  }
  .stepper-headers {
    padding: 1.5rem 1rem;
  }
  .step-label {
    display: none; /* Hide step names on tablet/mobile stepper */
  }
  .step-header:not(:last-child)::after {
    width: 80%;
    right: -40%;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
  .desktop-nav {
    display: none;
  }
  .header-actions {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .hero-section {
    padding-top: 5.5rem;
    padding-bottom: 2rem;
  }
  .hero-title {
    font-size: 1.75rem;
  }
  .hero-description {
    font-size: 0.875rem;
  }
  .hero-img {
    height: 14rem;
  }
  .hero-stats {
    gap: 1.25rem;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .apps-filter-tabs {
    flex-direction: column;
    width: 100%;
  }
  .apps-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .filter-tab {
    width: 100%;
    justify-content: center;
  }
  .md-2-cols {
    grid-template-columns: 1fr;
  }
  .electrical-cards-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .stepper-content {
    padding: 2rem;
  }
  .pane-grid-options {
    grid-template-columns: 1fr;
  }
  .form-double-col {
    grid-template-columns: 1fr;
  }
  .stepper-nav {
    padding: 1.25rem 1.5rem;
  }
  .contact-form {
    padding: 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .bottom-flex {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background-color: #25D366; /* Official WhatsApp Green */
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  z-index: 120;
  transition: all var(--transition-fast);
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float svg {
  width: 1.6rem;
  height: 1.6rem;
  fill: none;
}

.whatsapp-float:hover {
  background-color: #20ba5a;
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.whatsapp-float:active {
  transform: scale(0.98) translateY(0);
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Adjust layout on small mobile screens */
@media (max-width: 480px) {
  .whatsapp-float {
    bottom: 1.5rem;
    left: 1.5rem;
    width: 3rem;
    height: 3rem;
  }
  .whatsapp-float svg {
    width: 1.4rem;
    height: 1.4rem;
  }
}