/* ==========================================================================
   NILAM SAT GEOSPATIAL - CORE DESIGN SYSTEM & STYLESHEET
   Brand Palette:
     Primary: Deep Navy (#172B3A)
     Secondary: Survey Teal (#00B8A9)
     Background: White (#FFFFFF)
     Alternate: Light Technical Grey (#F3F6F7)
     Main Text: Slate (#263746)
   ========================================================================== */

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

:root {
  /* Brand Colors */
  --color-primary: #172B3A;
  --color-primary-dark: #0e1d28;
  --color-primary-light: #223c52;
  --color-secondary: #00B8A9;
  --color-secondary-hover: #009d90;
  --color-secondary-light: #e6faf8;
  --color-secondary-subtle: rgba(0, 184, 169, 0.12);
  --color-accent-amber: #F59E0B;
  
  /* Backgrounds & Neutrals */
  --color-bg: #FFFFFF;
  --color-bg-alt: #F3F6F7;
  --color-bg-alt-2: #EAF0F2;
  --color-card-bg: #FFFFFF;
  
  /* Text */
  --color-text: #263746;
  --color-text-muted: #5E7285;
  --color-text-light: #8E9FAA;
  --color-text-inverse: #FFFFFF;
  
  /* Borders & Dividers */
  --color-border: #E2E8F0;
  --color-border-light: #EEF2F6;
  --color-border-dark: #2B4457;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(23, 43, 58, 0.06), 0 1px 2px rgba(23, 43, 58, 0.04);
  --shadow-md: 0 4px 12px rgba(23, 43, 58, 0.08), 0 2px 4px rgba(23, 43, 58, 0.04);
  --shadow-lg: 0 12px 30px rgba(23, 43, 58, 0.12), 0 4px 8px rgba(23, 43, 58, 0.06);
  --shadow-teal: 0 8px 24px rgba(0, 184, 169, 0.25);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.05);

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 9999px;

  /* Spacing */
  --space-unit: 8px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

h4 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.7;
}

p.lead {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 3vw, 2rem);
  padding-right: clamp(1rem, 3vw, 2rem);
}

.container-narrow {
  max-width: 960px;
}

.section {
  padding-top: clamp(3.5rem, 6vw, 6rem);
  padding-bottom: clamp(3.5rem, 6vw, 6rem);
  position: relative;
}

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

.section-dark {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--color-text-inverse);
}

.section-dark p {
  color: #B5C5D2;
}

/* Technical GIS Background Grids & Contour Accents */
.gis-grid-bg {
  background-color: var(--color-bg);
  background-image: 
    linear-gradient(to right, rgba(23, 43, 58, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23, 43, 58, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.gis-grid-bg-dark {
  background-color: var(--color-primary);
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}

.contour-pattern {
  position: relative;
}
.contour-pattern::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(0, 184, 169, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

/* ==========================================================================
   Section Header Standard
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(2.5rem, 4vw, 3.75rem);
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-secondary-subtle);
  color: var(--color-secondary-hover);
  border: 1px solid rgba(0, 184, 169, 0.3);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.badge-dark {
  background: rgba(0, 184, 169, 0.15);
  color: var(--color-secondary);
  border-color: rgba(0, 184, 169, 0.4);
}

.badge-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  box-shadow: 0 0 0 0 rgba(0, 184, 169, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 184, 169, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(0, 184, 169, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 184, 169, 0);
  }
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

/* ==========================================================================
   Buttons & CTA Elements
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background-color: var(--color-secondary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-teal);
  color: #FFFFFF;
}

.btn-navy {
  background-color: var(--color-primary);
  color: #FFFFFF;
}
.btn-navy:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  background-color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}
.btn-outline-white:hover {
  background-color: #FFFFFF;
  color: var(--color-primary);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 34px;
  font-size: 1.08rem;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}
.btn:hover svg {
  transform: translateX(3px);
}

/* WhatsApp Specialized Button */
.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
}
.btn-whatsapp:hover {
  background-color: #20bd5a;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-bar {
  background-color: var(--color-primary-dark);
  color: #B5C5D2;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--color-border-dark);
  padding: 7px 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.top-bar-meta {
  display: flex;
  align-items: center;
  gap: 18px;
}
.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #A3B5C3;
}
.top-bar-item svg {
  width: 13px;
  height: 13px;
  color: var(--color-secondary);
}
.top-bar-item a:hover {
  color: var(--color-secondary);
}
.top-bar-coords {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #7A90A2;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: rgba(255, 255, 255, 0.98);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  padding-bottom: 14px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-symbol {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1c384d 100%);
  border: 1.5px solid rgba(0, 184, 169, 0.5);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  position: relative;
  box-shadow: 0 4px 10px rgba(23, 43, 58, 0.15);
}

.logo-symbol svg {
  width: 24px;
  height: 24px;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

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

.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-secondary-hover);
}

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

.nav-link.active {
  color: var(--color-primary);
  font-weight: 700;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.mobile-toggle svg {
  width: 22px;
  height: 22px;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(320px, 85vw);
  height: 100vh;
  background-color: #FFFFFF;
  z-index: 200;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  padding: 24px;
  transition: right var(--transition-smooth);
}

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

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 28, 38, 0.5);
  backdrop-filter: blur(4px);
  z-index: 190;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.drawer-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.drawer-link {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.drawer-link.active {
  color: var(--color-secondary);
}

.drawer-contact {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  padding-top: clamp(3rem, 6vw, 5.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  background-color: var(--color-bg);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.hero-title {
  margin-bottom: 20px;
  color: var(--color-primary);
}

.hero-title span {
  color: var(--color-secondary);
}

.hero-lead {
  font-size: clamp(1.1rem, 1.8vw, 1.25rem);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-secondary);
}

/* Hero Media Visual Showcase */
.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  background-color: var(--color-primary);
}

.hero-visual-card img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 600ms var(--transition-smooth);
}

.hero-visual-card:hover img {
  transform: scale(1.02);
}

.hero-overlay-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(23, 43, 58, 0.88);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border: 1px solid rgba(0, 184, 169, 0.4);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-floating-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.floating-badge-text h4 {
  font-size: 0.96rem;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.floating-badge-text p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.floating-badge-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background-color: var(--color-secondary-subtle);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-badge-icon svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   Service Cards Grid
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 28px;
}

.service-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px 28px;
  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: var(--color-border);
  transition: background var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 184, 169, 0.4);
}

.service-card:hover::before {
  background: var(--color-secondary);
}

.service-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.service-icon-box {
  width: 54px;
  height: 54px;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon-box {
  background-color: var(--color-secondary-subtle);
  color: var(--color-secondary);
  border-color: rgba(0, 184, 169, 0.4);
}

.service-icon-box svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.96rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-deliverables-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.deliverable-chip {
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  font-family: var(--font-mono);
}

.service-card-footer {
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.service-link svg {
  width: 16px;
  height: 16px;
  color: var(--color-secondary);
  transition: transform var(--transition-fast);
}

.service-link:hover {
  color: var(--color-secondary);
}

.service-link:hover svg {
  transform: translateX(4px);
}

/* ==========================================================================
   Why Choose NILAM SAT (Grounded Technical Strengths)
   ========================================================================== */
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.strength-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 28px;
  transition: transform var(--transition-normal);
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.strength-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-secondary-subtle);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.strength-icon svg {
  width: 24px;
  height: 24px;
}

.strength-card h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.strength-card p {
  font-size: 0.94rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   Deliverable Showcase & Interactive Comparison Viewer
   ========================================================================== */
.deliverables-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.tab-btn {
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

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

.tab-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* Interactive Slider Box */
.comparison-container {
  max-width: 1060px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  background-color: var(--color-primary-dark);
}

.comparison-wrapper {
  position: relative;
  width: 100%;
  height: 520px;
  user-select: none;
  overflow: hidden;
}

.comparison-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  border-right: 3px solid var(--color-secondary);
}

.comparison-overlay .comparison-image {
  width: var(--slider-width, 1060px);
  max-width: none;
  height: 100%;
}

.comparison-slider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 3px solid var(--color-secondary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  cursor: ew-resize;
  z-index: 10;
}

.comparison-slider-handle svg {
  width: 20px;
  height: 20px;
}

.comparison-label {
  position: absolute;
  bottom: 20px;
  padding: 6px 14px;
  background: rgba(23, 43, 58, 0.9);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 5;
  pointer-events: none;
}

.comparison-label.label-left {
  left: 20px;
}

.comparison-label.label-right {
  right: 20px;
}

/* ==========================================================================
   How We Work (4-Step Standard Pipeline)
   ========================================================================== */
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  position: relative;
}

.step-card {
  position: relative;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.step-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--color-primary);
}

.step-card p {
  font-size: 0.94rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   CTA Banner Section
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #152735 100%);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 5vw, 4.5rem);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-dark);
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 184, 169, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.cta-banner h2 {
  color: #FFFFFF;
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
}

.cta-banner p {
  color: #C1D0DC;
  font-size: 1.12rem;
  margin-bottom: 28px;
}

.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #A3B5C3;
  padding-top: clamp(4rem, 6vw, 5.5rem);
  padding-bottom: 28px;
  border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 48px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  position: relative;
}

.footer-col p {
  color: #A3B5C3;
  font-size: 0.94rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #A3B5C3;
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-secondary);
  transform: translateX(3px);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.formats-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.format-badge {
  background: rgba(255, 255, 255, 0.08);
  color: #E2E8F0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: #6C8294;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-credit {
  color: #A3B5C3;
  font-weight: 600;
}

.footer-credit:hover,
.footer-credit:focus-visible {
  color: var(--color-secondary);
}

/* ==========================================================================
   Floating Quick Action Bar
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

.quick-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  color: #FFFFFF;
  transition: all var(--transition-normal);
  position: relative;
}

.quick-btn svg {
  width: 24px;
  height: 24px;
}

.quick-btn:hover {
  transform: scale(1.08);
}

.quick-btn-whatsapp {
  background-color: #25D366;
}

.quick-btn-quote {
  background-color: var(--color-secondary);
}

.quick-btn-tooltip {
  position: absolute;
  right: 62px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-heading);
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.quick-btn:hover .quick-btn-tooltip {
  opacity: 1;
}

/* ==========================================================================
   Interactive Quote Modal
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 28, 38, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-card {
  transform: translateY(0);
}

.modal-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-bg-alt);
}

.modal-header h3 {
  font-size: 1.35rem;
  color: var(--color-primary);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.modal-body {
  padding: 28px;
}

/* Form Controls */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-label span.req {
  color: #E53E3E;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background-color: #FFFFFF;
  color: var(--color-text);
  font-size: 0.96rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(0, 184, 169, 0.15);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 2px;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.form-consent input {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--color-secondary);
  flex: 0 0 auto;
}

.modal-footer {
  padding: 18px 28px;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-alt);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-visual-card img {
    height: 380px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 960px) {
  .nav-links,
  .header-cta-group .btn {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .top-bar-meta {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px 14px;
  }
  .top-bar-coords {
    display: none;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .comparison-wrapper {
    height: 340px;
  }
  .comparison-label {
    font-size: 0.72rem;
    padding: 4px 10px;
    bottom: 12px;
  }
  .comparison-label.label-left {
    left: 10px;
  }
  .comparison-label.label-right {
    right: 10px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .top-bar {
    font-size: 0.76rem;
  }
  .top-bar-meta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px 12px;
  }
  .top-bar-item:first-child {
    min-width: 0;
  }
  .top-bar-item:first-child span {
    line-height: 1.25;
  }
  .top-bar-item:last-child {
    display: none;
  }
  .header-container {
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .site-logo {
    gap: 9px;
  }
  .logo-symbol {
    width: 38px;
    height: 38px;
  }
  .logo-brand {
    font-size: 1rem;
  }
  .logo-sub {
    font-size: 0.62rem;
  }
  .hero {
    padding-top: 2rem;
    padding-bottom: 2.5rem;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-lead {
    font-size: 1.05rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-visual-card img {
    height: 250px;
  }
  .hero-floating-badge {
    left: 10px;
    right: 10px;
    bottom: 10px;
    padding: 10px 12px;
    gap: 10px;
  }
  .floating-badge-text h4 {
    font-size: 0.88rem;
  }
  .floating-badge-text p {
    font-size: 0.75rem;
  }
  .floating-badge-icon {
    width: 32px;
    height: 32px;
  }
  .floating-badge-icon svg {
    width: 18px;
    height: 18px;
  }
  .cta-banner {
    padding: 1.8rem 1.4rem;
  }
  .cta-banner-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .cta-banner-actions .btn {
    width: 100%;
  }
  .comparison-wrapper {
    height: 250px;
  }
  .comparison-slider-handle {
    width: 38px;
    height: 38px;
  }
  .comparison-slider-handle svg {
    width: 16px;
    height: 16px;
  }
  .modal-card {
    border-radius: var(--radius-md);
    max-height: 94vh;
  }
  .modal-header {
    padding: 18px 20px;
  }
  .modal-body {
    padding: 18px 16px;
  }
  .modal-footer {
    padding: 14px 16px;
    flex-direction: column;
    gap: 8px;
  }
  .modal-footer .btn {
    width: 100%;
  }
  .floating-actions {
    bottom: 16px;
    right: 16px;
    gap: 8px;
  }
  .quick-btn {
    width: 46px;
    height: 46px;
  }
  .quick-btn svg {
    width: 20px;
    height: 20px;
  }
}