/* ===================================
   CSS RESET & VARIABLES
=================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Neutrals */
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  --gradient-glow: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
  
  /* Typography */
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-display: 'Inter', var(--font-main);
  
  /* Spacing */
  --section-padding: 6rem 0;
  --container-max: 1280px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.3);
}

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

body {
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 40% 20%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ===================================
   CONTAINER & LAYOUT
=================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: var(--section-padding);
  position: relative;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 3rem;
  text-align: center;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* ===================================
   PROGRESS BAR
=================================== */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  width: 0%;
  z-index: 1000;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
}

/* ===================================
   NAVIGATION
=================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  transition: var(--transition-base);
}

.navbar.scrolled {
  padding: 0.75rem 0;
  background: rgba(10, 10, 15, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  transition: var(--transition-base);
  white-space: nowrap;
}

.nav-menu a:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 0.25rem;
    transition: right var(--transition-base);
    border-left: 1px solid var(--border);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
}

/* ===================================
   HERO SECTION
=================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 1.5rem 4rem;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
  animation: floatShape 20s ease-in-out infinite;
}

.shape-1 {
  width: 400px;
  height: 400px;
  background: var(--primary);
  top: 10%;
  left: -5%;
  animation-delay: 0s;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background: var(--secondary);
  top: 60%;
  right: -5%;
  animation-delay: -5s;
}

.shape-3 {
  width: 250px;
  height: 250px;
  background: var(--accent);
  bottom: 10%;
  left: 30%;
  animation-delay: -10s;
}

.shape-4 {
  width: 200px;
  height: 200px;
  background: var(--primary-light);
  top: 20%;
  right: 20%;
  animation-delay: -15s;
}

.shape-5 {
  width: 350px;
  height: 350px;
  background: var(--secondary);
  top: 40%;
  left: 50%;
  animation-delay: -7s;
}

@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero-content {
  text-align: center;
  max-width: 900px;
  position: relative;
  z-index: 2;
  animation: heroFadeIn 1s ease-out;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
  animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.3); }
  50% { box-shadow: 0 0 20px 5px rgba(37, 99, 235, 0.1); }
}

.hero-title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(37, 99, 235, 0.5);
}

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

.btn-secondary:hover {
  background: var(--bg-glass);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.hero-visual {
  position: absolute;
  bottom: 15%;
  right: 5%;
  width: 200px;
  height: 300px;
  pointer-events: none;
  z-index: 1;
}

.paint-drip {
  position: absolute;
  width: 8px;
  background: var(--gradient-primary);
  border-radius: 4px;
  animation: drip 4s ease-in-out infinite;
  opacity: 0.6;
}

.drip-1 {
  height: 80px;
  left: 20%;
  animation-delay: 0s;
}

.drip-2 {
  height: 120px;
  left: 50%;
  animation-delay: -1s;
}

.drip-3 {
  height: 60px;
  left: 80%;
  animation-delay: -2s;
}

@keyframes drip {
  0%, 100% {
    transform: translateY(-20px);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  50% {
    transform: translateY(100px);
    opacity: 0.6;
  }
  90% {
    opacity: 0;
  }
}

.paint-roller {
  position: absolute;
  bottom: 0;
  right: 0;
  transform: rotate(-30deg);
}

.roller-handle {
  width: 80px;
  height: 8px;
  background: linear-gradient(90deg, #8b5cf6, #3b82f6);
  border-radius: 4px;
  margin-bottom: -4px;
}

.roller-head {
  width: 100px;
  height: 30px;
  background: var(--gradient-primary);
  border-radius: 15px;
  box-shadow: var(--shadow-glow);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  animation: bounce 2s ease-in-out infinite;
}

.mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  margin: 0 auto 0.5rem;
  position: relative;
}

.mouse::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 2px;
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(10px); opacity: 0; }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

@media (max-width: 768px) {
  .hero-visual {
    display: none;
  }
}

/* ===================================
   INTRODUCTION SECTION
=================================== */
.section-intro {
  position: relative;
}

.intro-visual {
  position: absolute;
  top: 50%;
  left: 5%;
  transform: translateY(-50%);
  width: 200px;
  height: 200px;
  pointer-events: none;
  opacity: 0.3;
}

.layer {
  position: absolute;
  border-radius: 20px;
  opacity: 0.5;
}

.layer-1 {
  width: 100%;
  height: 100%;
  background: var(--primary);
  animation: layerFloat1 8s ease-in-out infinite;
}

.layer-2 {
  width: 80%;
  height: 80%;
  background: var(--secondary);
  top: 10%;
  left: 10%;
  animation: layerFloat2 10s ease-in-out infinite;
}

.layer-3 {
  width: 60%;
  height: 60%;
  background: var(--accent);
  top: 20%;
  left: 20%;
  animation: layerFloat3 12s ease-in-out infinite;
}

@keyframes layerFloat1 {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(5deg); }
}

@keyframes layerFloat2 {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(-5deg); }
}

@keyframes layerFloat3 {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(3deg); }
}

.intro-content {
  max-width: 800px;
  margin: 0 auto;
}

.intro-content p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.intro-content a {
  color: var(--primary-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--transition-base);
}

.intro-content a:hover {
  border-bottom-color: var(--primary-light);
}

@media (max-width: 768px) {
  .intro-visual {
    display: none;
  }
}

/* ===================================
   WHAT IS IT SECTION
=================================== */
.definition-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.definition-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.definition-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-glow);
  opacity: 0;
  transition: var(--transition-base);
}

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

.definition-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  padding: 1.5rem;
  background: var(--gradient-primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-glow);
}

.definition-icon svg {
  width: 40px;
  height: 40px;
}

.definition-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.definition-card p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===================================
   WHY IT MATTERS SECTION
=================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.why-card {
  padding: 2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.why-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(37, 99, 235, 0.2);
}

.why-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.why-card:hover::after {
  transform: scaleX(1);
}

.why-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.why-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===================================
   MAIN FACTORS SECTION
=================================== */
.factors-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.factor-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

.factor-item:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.factor-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
}

.surface-layers {
  position: relative;
  width: 100px;
  height: 100px;
}

.sl {
  position: absolute;
  width: 100%;
  height: 20px;
  border-radius: 4px;
}

.sl-1 {
  top: 0;
  background: #64748b;
  animation: slideIn 3s ease-in-out infinite;
}

.sl-2 {
  top: 25px;
  background: #8b5cf6;
  animation: slideIn 3s ease-in-out infinite 0.2s;
}

.sl-3 {
  top: 50px;
  background: #3b82f6;
  animation: slideIn 3s ease-in-out infinite 0.4s;
}

.sl-4 {
  top: 75px;
  background: #10b981;
  animation: slideIn 3s ease-in-out infinite 0.6s;
}

@keyframes slideIn {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(10px); }
}

.paint-quality {
  width: 100px;
  height: 100px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 2px solid var(--border);
}

.pigment-dots {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}

.pigment-dots span {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.pigment-dots span:nth-child(2n) {
  animation-delay: 0.2s;
}

.pigment-dots span:nth-child(3n) {
  animation-delay: 0.4s;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
}

.climate-meter {
  width: 100px;
  height: 80px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.temp-gauge {
  height: 30px;
  background: linear-gradient(90deg, #3b82f6, #ef4444);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.temp-gauge::after {
  content: '';
  position: absolute;
  left: 30%;
  top: 0;
  width: 4px;
  height: 100%;
  background: white;
  animation: gaugeMove 4s ease-in-out infinite;
}

@keyframes gaugeMove {
  0%, 100% { left: 30%; }
  50% { left: 70%; }
}

.humidity-bar {
  height: 20px;
  background: rgba(59, 130, 246, 0.3);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.humidity-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 60%;
  background: var(--primary);
  border-radius: 4px;
  animation: humidityFill 5s ease-in-out infinite;
}

@keyframes humidityFill {
  0%, 100% { width: 40%; }
  50% { width: 80%; }
}

.tool-set {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.brush-icon,
.roller-icon,
.spray-icon {
  width: 30px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 4px;
  animation: toolBounce 3s ease-in-out infinite;
}

.roller-icon {
  border-radius: 15px;
  animation-delay: 0.5s;
}

.spray-icon {
  width: 20px;
  height: 50px;
  border-radius: 10px 10px 4px 4px;
  animation-delay: 1s;
}

@keyframes toolBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.factor-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.factor-content p {
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .factor-item {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* ===================================
   PROCESS SECTION
=================================== */
.process-timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.process-step {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  position: relative;
  padding-left: 70px;
}

.step-marker {
  position: absolute;
  left: 0;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  box-shadow: var(--shadow-glow);
  z-index: 1;
  animation: markerPulse 3s ease-in-out infinite;
}

@keyframes markerPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
  50% { box-shadow: 0 0 20px 10px rgba(37, 99, 235, 0); }
}

.step-content {
  padding: 1.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  flex: 1;
  transition: var(--transition-base);
}

.step-content:hover {
  border-color: var(--primary);
  transform: translateX(5px);
}

.step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .process-timeline::before {
    left: 15px;
  }
  
  .process-step {
    padding-left: 50px;
  }
  
  .step-marker {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

/* ===================================
   BENEFITS SECTION
=================================== */
.benefits-cloud {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.benefit-float {
  padding: 2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  text-align: center;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.benefit-float::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-glow);
  opacity: 0;
  transition: var(--transition-slow);
}

.benefit-float:hover::before {
  opacity: 1;
}

.benefit-float:hover {
  transform: translateY(-10px) rotateX(5deg);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.float-1 { animation: floatBenefit 6s ease-in-out infinite; }
.float-2 { animation: floatBenefit 7s ease-in-out infinite 1s; }
.float-3 { animation: floatBenefit 8s ease-in-out infinite 2s; }
.float-4 { animation: floatBenefit 6.5s ease-in-out infinite 0.5s; }
.float-5 { animation: floatBenefit 7.5s ease-in-out infinite 1.5s; }
.float-6 { animation: floatBenefit 8.5s ease-in-out infinite 2.5s; }

@keyframes floatBenefit {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: inline-block;
  animation: iconRotate 10s ease-in-out infinite;
}

@keyframes iconRotate {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(5deg); }
  75% { transform: rotate(-5deg); }
}

.benefit-float h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.benefit-float p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===================================
   TIPS SECTION
=================================== */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.tip-card {
  padding: 2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
  cursor: default;
}

.tip-card:hover {
  transform: scale(1.03);
  border-color: var(--secondary);
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.3);
}

.tip-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}

.tip-card:hover::before {
  transform: scaleY(1);
}

.tip-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

.tip-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.tip-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
  position: relative;
  z-index: 1;
}

/* ===================================
   MISTAKES SECTION
=================================== */
.mistakes-list {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mistake-item {
  padding: 2.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.mistake-item:hover {
  border-color: var(--error);
  box-shadow: 0 0 40px rgba(239, 68, 68, 0.2);
}

.mistake-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition-base);
}

.mistake-item:hover::before {
  opacity: 1;
}

.mistake-content {
  position: relative;
  z-index: 1;
}

.mistake-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mistake-content h3::before {
  content: '⚠️';
  font-size: 1.25rem;
}

.mistake-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.mistake-content p strong {
  color: var(--text-primary);
}

.mistake-content a {
  color: var(--primary-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--transition-base);
}

.mistake-content a:hover {
  border-bottom-color: var(--primary-light);
}

/* ===================================
   COST SECTION
=================================== */
.cost-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.cost-card {
  padding: 2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  text-align: center;
  transition: var(--transition-base);
}

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

.cost-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.cost-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.cost-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ===================================
   FAQ SECTION
=================================== */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item:hover {
  border-color: var(--border-hover);
}

.faq-question {
  width: 100%;
  padding: 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: var(--transition-base);
}

.faq-question:hover {
  color: var(--primary-light);
}

.faq-icon {
  width: 24px;
  height: 24px;
  position: relative;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  transition: transform var(--transition-base);
}

.faq-icon::before {
  width: 100%;
  height: 2px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.faq-icon::after {
  width: 2px;
  height: 100%;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

.faq-item.active .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===================================
   TAKEAWAY SECTION
=================================== */
.section-takeaway {
  position: relative;
  overflow: hidden;
}

.takeaway-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.takeaway-text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.takeaway-cta {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.cta-label {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-text {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.cta-text strong {
  color: var(--primary-light);
}

.takeaway-visual {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.2;
}

.cta-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.cta-1 {
  width: 300px;
  height: 300px;
  background: var(--primary);
  top: 10%;
  left: 10%;
  animation: ctaFloat1 15s ease-in-out infinite;
}

.cta-2 {
  width: 250px;
  height: 250px;
  background: var(--secondary);
  bottom: 10%;
  right: 10%;
  animation: ctaFloat2 18s ease-in-out infinite;
}

.cta-3 {
  width: 200px;
  height: 200px;
  background: var(--accent);
  top: 50%;
  left: 50%;
  animation: ctaFloat3 20s ease-in-out infinite;
}

@keyframes ctaFloat1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

@keyframes ctaFloat2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 30px); }
}

@keyframes ctaFloat3 {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-40%, -60%); }
}

/* ===================================
   FOOTER
=================================== */
.site-footer {
  padding: 4rem 0 2rem;
  background: rgba(5, 5, 10, 0.95);
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.footer-ambient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.15;
}

.ambient-paint {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.ambient-1 {
  width: 300px;
  height: 300px;
  background: var(--primary);
  top: -50px;
  left: -50px;
  animation: ambientFloat 20s ease-in-out infinite;
}

.ambient-2 {
  width: 250px;
  height: 250px;
  background: var(--secondary);
  bottom: -50px;
  right: -50px;
  animation: ambientFloat 25s ease-in-out infinite reverse;
}

.ambient-3 {
  width: 200px;
  height: 200px;
  background: var(--accent);
  top: 50%;
  left: 50%;
  animation: ambientFloat 30s ease-in-out infinite;
}

@keyframes ambientFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

.ambient-drip {
  position: absolute;
  width: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: ambientDrip 8s ease-in-out infinite;
}

.ambient-4 {
  height: 100px;
  top: 0;
  left: 20%;
  animation-delay: 0s;
}

.ambient-5 {
  height: 80px;
  top: 0;
  right: 30%;
  animation-delay: 2s;
}

@keyframes ambientDrip {
  0%, 100% {
    transform: translateY(-100%);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  50% {
    transform: translateY(200px);
    opacity: 0.5;
  }
  90% {
    opacity: 0;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.footer-heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--gradient-primary);
}

.footer-nap {
  margin-bottom: 1rem;
}

.footer-address,
.footer-phone {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.footer-phone a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition-base);
}

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

.footer-description {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-base);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary-light);
  transform: translateX(5px);
}

.footer-related {
  margin-top: 1.5rem;
}

.footer-related h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.footer-related ul {
  list-style: none;
}

.footer-related li {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

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

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-base);
}

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

.back-to-top {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.back-to-top::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transform: scale(0);
  border-radius: 50%;
  transition: transform var(--transition-base);
}

.back-to-top:hover::before {
  transform: scale(1);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 60px rgba(37, 99, 235, 0.5);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  color: white;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-legal {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer-legal-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ===================================
   REVEAL ANIMATIONS
=================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   SCROLLBAR
=================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* ===================================
   RESPONSIVE TWEAKS
=================================== */
@media (max-width: 640px) {
  :root {
    --section-padding: 4rem 0;
  }
  
  .hero {
    padding: 5rem 1.5rem 3rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .definition-card,
  .mistake-item {
    padding: 1.5rem;
  }
  
  .benefits-cloud,
  .tips-grid,
  .cost-grid {
    grid-template-columns: 1fr;
  }
}