/* ==========================================================================
   IoT Anarish - Premium Startup Landing Page Stylesheet
   Design Inspiration: Apple, Linear, Stripe, Vercel
   Core Tech: CSS3, CSS Variables, Flexbox, CSS Grid, Glassmorphism, Keyframes
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color System */
  --color-primary: #0B63F6;
  --color-primary-hover: #0852cf;
  --color-primary-light: rgba(11, 99, 246, 0.1);
  --color-secondary: #00B8D9;
  --color-secondary-hover: #009cb8;
  --color-accent: #7C3AED;
  --color-accent-light: rgba(124, 58, 237, 0.1);
  --color-bg: #FAFBFC;
  --color-surface: #FFFFFF;
  --color-surface-glass: rgba(255, 255, 255, 0.82);
  --color-text-primary: #111827;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-border: #E5E7EB;
  --color-border-glass: rgba(255, 255, 255, 0.6);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-size-xs: 0.75rem;
  /* 12px */
  --font-size-sm: 0.875rem;
  /* 14px */
  --font-size-base: 1rem;
  /* 16px */
  --font-size-lg: 1.125rem;
  /* 18px */
  --font-size-xl: 1.25rem;
  /* 20px */
  --font-size-2xl: 1.5rem;
  /* 24px */
  --font-size-3xl: 2rem;
  /* 32px */
  --font-size-4xl: 2.75rem;
  /* 44px */
  --font-size-5xl: 3.5rem;
  /* 56px */

  /* Spacing */
  --container-width: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(17, 24, 39, 0.04);
  --shadow-md: 0 10px 30px -10px rgba(11, 99, 246, 0.08), 0 4px 12px rgba(17, 24, 39, 0.03);
  --shadow-lg: 0 20px 45px -15px rgba(11, 99, 246, 0.12), 0 8px 24px rgba(17, 24, 39, 0.05);
  --shadow-glow: 0 0 35px rgba(11, 99, 246, 0.25);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Global Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
  list-style: none;
}

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

.section {
  padding: 6rem 0;
  position: relative;
}

.grid {
  display: grid;
  gap: 2rem;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem auto;
}

.section-badge {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, var(--font-size-4xl));
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* Gradient Text Effect */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --------------------------------------------------------------------------
   4. Ambient Animated Background
   -------------------------------------------------------------------------- */
.ambient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.ambient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  animation: blobFloat 20s infinite alternate ease-in-out;
}

.blob-1 {
  width: 500px;
  height: 500px;
  background: var(--color-primary);
  top: -100px;
  right: -100px;
}

.blob-2 {
  width: 450px;
  height: 450px;
  background: var(--color-secondary);
  bottom: 10%;
  left: -150px;
  animation-delay: -7s;
}

.blob-3 {
  width: 400px;
  height: 400px;
  background: var(--color-accent);
  top: 40%;
  right: 15%;
  animation-delay: -14s;
}

@keyframes blobFloat {
  0% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(60px, 40px) scale(1.1);
  }

  100% {
    transform: translate(-40px, 80px) scale(0.95);
  }
}

/* --------------------------------------------------------------------------
   5. Scroll Progress Bar
   -------------------------------------------------------------------------- */
.scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: transparent;
  z-index: 1001;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  transition: width 0.1s ease-out;
}

/* --------------------------------------------------------------------------
   6. Buttons & Micro-Interactions
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: var(--font-size-base);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  text-align: center;
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(11, 99, 246, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(11, 99, 246, 0.45);
}

.btn-secondary {
  background-color: var(--color-surface-glass);
  color: var(--color-text-primary);
  border-color: var(--color-border);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

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

.btn-block {
  width: 100%;
}

/* Ripple Animation Effect */
.btn-ripple {
  position: relative;
}

.ripple-circle {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   7. Navigation Header
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), box-shadow var(--transition-normal), height var(--transition-normal);
}

.navbar.scrolled {
  height: 70px;
  background-color: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-glass);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
}

.brand-highlight {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

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

/* Mobile Toggle Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.hamburger-bar {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active .hamburger-bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .hamburger-bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   8. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: 10rem;
  padding-bottom: 4rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-secondary);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(0, 184, 217, 0.7);
  animation: pulseDotAnim 2s infinite;
}

@keyframes pulseDotAnim {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 184, 217, 0.7);
  }

  70% {
    box-shadow: 0 0 0 8px rgba(0, 184, 217, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(0, 184, 217, 0);
  }
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, var(--font-size-5xl));
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--color-text-primary);
}

.hero-subheading {
  font-size: clamp(1.05rem, 2vw, var(--font-size-xl));
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.hero-dynamic-tagline {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2rem;
  padding: 0.5rem 1rem;
  background-color: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

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

.typing-cursor {
  animation: blink 0.8s infinite;
  color: var(--color-primary);
  font-weight: 700;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-trust-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.trust-item svg {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   9. Animated Hero SVG Illustration
   -------------------------------------------------------------------------- */
.illustration-wrapper {
  position: relative;
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
}

.hero-svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

/* Keyframe animations for SVG elements */
.orbit-ring {
  transform-origin: 300px 275px;
}

.orbit-slow {
  animation: rotateOrbit 60s linear infinite;
}

.orbit-medium {
  animation: rotateOrbit 40s linear reverse infinite;
}

@keyframes rotateOrbit {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.data-stream {
  stroke-dashoffset: 100;
  animation: dashFlow 3s linear infinite;
}

.stream-1 {
  animation-delay: 0s;
}

.stream-2 {
  animation-delay: 0.5s;
}

.stream-3 {
  animation-delay: 1s;
}

.stream-4 {
  animation-delay: 1.5s;
}

.stream-5 {
  animation-delay: 2s;
}

.stream-6 {
  animation-delay: 2.5s;
}

@keyframes dashFlow {
  from {
    stroke-dashoffset: 100;
  }

  to {
    stroke-dashoffset: 0;
  }
}

.floating-node-main {
  animation: pulseMainNode 4s ease-in-out infinite alternate;
}

@keyframes pulseMainNode {
  0% {
    transform: scale(1);
  }

  100% {
    transform: scale(1.04);
  }
}

.floating-card {
  animation: floatCard 6s ease-in-out infinite alternate;
}

.float-delay-1 {
  animation-delay: 0s;
}

.float-delay-2 {
  animation-delay: 1s;
}

.float-delay-3 {
  animation-delay: 2s;
}

.float-delay-4 {
  animation-delay: 3s;
}

.float-delay-5 {
  animation-delay: 4s;
}

.float-delay-6 {
  animation-delay: 5s;
}

@keyframes floatCard {
  0% {
    transform: translate(var(--tx, 0), var(--ty, 0));
  }

  100% {
    transform: translate(var(--tx, 0), calc(var(--ty, 0) - 14px));
  }
}

.node-label {
  font-family: var(--font-family);
  font-size: 12px;
  font-weight: 700;
  fill: var(--color-text-primary);
}

/* Wave Divider */
.wave-divider {
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.wave-divider svg {
  width: 100%;
  height: 60px;
}

/* --------------------------------------------------------------------------
   10. Services Section
   -------------------------------------------------------------------------- */
.services-section {
  background-color: #FFFFFF;
}

.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(11, 99, 246, 0.3);
}

.card-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: transform var(--transition-fast);
}

.service-card:hover .card-icon-wrapper {
  transform: scale(1.1) rotate(-4deg);
}

.icon-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.icon-secondary {
  background-color: rgba(0, 184, 217, 0.12);
  color: var(--color-secondary);
}

.icon-accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

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

.card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  background-color: var(--color-bg);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   11. Why Choose Us Section
   -------------------------------------------------------------------------- */
.why-us-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.why-us-card {
  background: var(--color-surface-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.why-us-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background-color: #FFFFFF;
}

.why-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 12px rgba(11, 99, 246, 0.25);
}

.why-us-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.75rem;

}

.why-us-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   12. Technology Stack Section
   -------------------------------------------------------------------------- */
.tech-stack-section {
  background-color: #FFFFFF;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
}

.tech-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: default;
}

.tech-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background-color: #FFFFFF;
}

.tech-icon-container {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tech-badge-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.tech-card:nth-child(even) .tech-badge-dot {
  background-color: var(--color-secondary);
}

.tech-card:nth-child(3n) .tech-badge-dot {
  background-color: var(--color-accent);
}

.tech-name {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-primary);
}

.tech-category {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   13. Development Process Timeline
   -------------------------------------------------------------------------- */
.timeline-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 28px;
  width: 3px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
  border-radius: 3px;
}

.timeline-step {
  position: relative;
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 3px solid var(--color-primary);
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 2;
  box-shadow: 0 0 0 6px var(--color-bg);
  transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.timeline-step:hover .timeline-marker {
  transform: scale(1.15);
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.timeline-content {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  flex-grow: 1;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.timeline-step:hover .timeline-content {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.timeline-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary);
}

.timeline-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   14. Featured Solutions Section
   -------------------------------------------------------------------------- */
.solutions-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.solution-card {
  padding: 0;
  overflow: hidden;
}

.solution-header {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.smart-home-bg {
  background: linear-gradient(135deg, #0B63F6, #00B8D9);
}

.smart-agri-bg {
  background: linear-gradient(135deg, #10B981, #059669);
}

.smart-factory-bg {
  background: linear-gradient(135deg, #7C3AED, #3B82F6);
}

.healthcare-bg {
  background: linear-gradient(135deg, #EC4899, #8B5CF6);
}

.tracking-bg {
  background: linear-gradient(135deg, #F59E0B, #EF4444);
}

.energy-bg {
  background: linear-gradient(135deg, #00B8D9, #10B981);
}

.solution-body {
  padding: 1.75rem;
}

.solution-tag {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: block;
}

.solution-body h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
}

.solution-body p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   15. Statistics Section
   -------------------------------------------------------------------------- */
.stats-section {
  background: linear-gradient(135deg, #0B63F6 0%, #00B8D9 100%);
  color: #FFFFFF;
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  text-align: center;
}

.stat-card {
  padding: 1.5rem;
}

.stat-number,
.stat-number-text {
  font-size: clamp(3rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: 0.25rem;
  opacity: 0.95;
}

.stat-subtext {
  font-size: var(--font-size-xs);
  opacity: 0.8;
}

/* --------------------------------------------------------------------------
   16. CTA Banner & Modal
   -------------------------------------------------------------------------- */
.cta-banner {
  background-color: var(--color-text-primary);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 5rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-ambient-glow {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(11, 99, 246, 0.4) 0%, rgba(0, 184, 217, 0.2) 50%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* Contact Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  line-height: 1;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
}

.modal-header {
  margin-bottom: 1.75rem;
}

.modal-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.modal-header p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.modal-form .form-group {
  margin-bottom: 1.25rem;
  text-align: left;
}

.modal-form label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.modal-form input,
.modal-form select,
.modal-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.modal-form input:focus,
.modal-form select:focus,
.modal-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  background-color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--color-border);
  padding-top: 5rem;
  padding-bottom: 2.5rem;
}

.footer-top {
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-tagline {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 0.75rem;
  margin-bottom: 0.5rem;
}

.footer-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.footer-heading {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1.25rem;
}

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

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

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

.footer-contact p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
}

.contact-email-box {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--color-primary-light);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
}

.email-link {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary);
}

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

.footer-domain span {
  font-weight: 600;
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   18. Floating Widgets (Back to Top & Toast)
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
  z-index: 999;
}

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

.back-to-top:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-4px);
}

.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 3000;
  pointer-events: none;
}

.toast {
  background-color: var(--color-text-primary);
  color: #FFFFFF;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  pointer-events: auto;
  animation: toastIn 0.3s ease-out forwards;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   19. Intersection Observer Animation Classes
   -------------------------------------------------------------------------- */
.reveal-on-scroll {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.fade-in {
  transform: translateY(0);
}

.reveal-on-scroll.slide-up {
  transform: translateY(35px);
}

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

/* --------------------------------------------------------------------------
   20. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-trust-metrics {
    justify-content: center;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }

  /* Mobile Navigation Drawer */
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--color-border);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
  }

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

  .nav-link {
    font-size: var(--font-size-lg);
  }

  .nav-toggle {
    display: flex;
  }

  .timeline-container::before {
    left: 20px;
  }

  .timeline-marker {
    width: 42px;
    height: 42px;
    font-size: var(--font-size-base);
  }

  .timeline-step {
    gap: 1.25rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .cta-banner {
    padding: 3rem 1.5rem;
  }
}