/* ==========================================================================
   AI-Marketing.pro - Premium Static Site Styles
   Light, minimalist, explosive growth design with premium animations
   ========================================================================== */

/* CSS Custom Properties */
:root {
  /* Colors - Premium light palette */
  --color-bg: #FAFBFC;
  --color-bg-alt: #FFFFFF;
  --color-bg-card: #FFFFFF;
  --color-surface: #F8F9FB;
  --color-text: #1A1D21;
  --color-text-secondary: #5A6169;
  --color-text-muted: #8C939A;
  --color-border: #E5E8EB;
  --color-border-light: #F0F2F4;
  
  /* Premium gradient palette */
  --gradient-cta: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #A855F7 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.4) 0%, rgba(168, 85, 247, 0.4) 100%);
  --gradient-hero: linear-gradient(180deg, rgba(99, 102, 241, 0.03) 0%, transparent 60%);
  --gradient-shine: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.04) 0%, rgba(168, 85, 247, 0.04) 100%);
  
  --color-accent: #6366F1;
  --color-accent-light: rgba(99, 102, 241, 0.08);
  --color-accent-hover: #5558E3;
  --color-purple: #A855F7;
  --color-success: #10B981;
  --color-success-light: rgba(16, 185, 129, 0.1);
  --color-danger: #EF4444;
  --color-warning: #F59E0B;
  
  /* Shadows - soft premium */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.12);
  --shadow-glow-intense: 0 0 60px rgba(99, 102, 241, 0.2), 0 0 100px rgba(168, 85, 247, 0.1);
  --shadow-cta: 0 4px 16px rgba(99, 102, 241, 0.3);
  --shadow-cta-hover: 0 8px 24px rgba(99, 102, 241, 0.4);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 4px 24px rgba(0, 0, 0, 0.03);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(99, 102, 241, 0.1);
  
  /* Spacing scale */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;
  
  /* Border radius - premium rounded */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: var(--shadow-cta); }
  50% { box-shadow: var(--shadow-cta-hover); }
}

@keyframes shine {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(200%) rotate(45deg); }
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

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

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounce-subtle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

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

/* Animation utility classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.5s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.6s; }

.stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--color-text-secondary);
}

.lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* Gradient text effect */
.text-gradient {
  background: var(--gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================================================
   Container
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  position: relative;
}

/* ==========================================================================
   Grid System
   ========================================================================== */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-normal);
}

.header--scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-sm) 0;
}

/* Logo */
.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.625rem;
  transition: transform var(--transition-fast);
}

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

.logo__icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-cta);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  position: relative;
  overflow: hidden;
}

.logo__icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-shine);
  animation: shine 3s infinite;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__link {
  padding: 0.5rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 1rem);
  height: 2px;
  background: var(--gradient-cta);
  border-radius: 1px;
  transition: transform var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.nav__link--active {
  color: var(--color-accent);
}

.nav__link--active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Burger Menu */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  padding: 0;
}

.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

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

.burger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

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

/* Medium screens - shorter button text */
@media (max-width: 1200px) and (min-width: 1025px) {
  .header__cta {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 1024px) {
  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.98) 0%, rgba(31, 41, 55, 0.98) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 80px 24px 40px;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 9999;
    overflow-y: auto;
  }
  
  .nav.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  
  .nav__link {
    display: block;
    width: 100%;
    max-width: 300px;
    padding: 16px 24px;
    font-size: 1.125rem;
    font-weight: 500;
    color: white;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s ease;
  }
  
  .nav__link:hover,
  .nav__link:active {
    background: rgba(99, 102, 241, 0.3);
    border-color: rgba(99, 102, 241, 0.5);
    transform: scale(1.02);
  }
  
  .nav__link::after {
    display: none;
  }
  
  .burger {
    display: flex;
    z-index: 10000;
  }
  
  .burger.active span {
    background: white;
  }
  
  .header__cta {
    display: none;
  }
  
  /* Close button indicator */
  .nav::before {
    content: 'Закрыть меню ✕';
    position: absolute;
    top: 24px;
    right: 24px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    pointer-events: none;
  }
}

/* Mobile Telegram Button */
.mobile-telegram {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 999;
}

@media (max-width: 640px) {
  .mobile-telegram {
    display: block;
  }
}

.mobile-telegram__btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  background: linear-gradient(135deg, #0088CC 0%, #00A3E0 100%);
  color: white;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 136, 204, 0.35);
  transition: all var(--transition-fast);
  animation: float 3s ease-in-out infinite;
}

.mobile-telegram__btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 136, 204, 0.45);
}

.mobile-telegram__btn svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-cta);
  background-size: 200% 200%;
  color: white;
  box-shadow: var(--shadow-cta);
  animation: pulse-glow 3s ease-in-out infinite;
}

.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-shine);
  transition: left 0.5s ease;
}

.btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-cta-hover);
  animation: none;
}

.btn--primary:hover::before {
  left: 100%;
}

.btn--primary:active {
  transform: translateY(-1px) scale(1);
}

.btn--secondary {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn--secondary:hover {
  background: var(--color-bg);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
  transform: translateY(-2px);
}

.btn--ghost {
  color: var(--color-text-secondary);
  padding: 0.625rem 1rem;
}

.btn--ghost:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.btn--lg {
  padding: 1.125rem 2.25rem;
  font-size: 0.85rem;
  border-radius: var(--radius-lg);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--telegram {
  background: linear-gradient(135deg, #0088CC 0%, #00A3E0 100%);
  color: white;
  box-shadow: 0 4px 16px rgba(0, 136, 204, 0.3);
}

.btn--telegram:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 136, 204, 0.4);
}

/* Button with icon */
.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  position: relative;
  box-shadow: var(--shadow-card);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.card--elevated {
  box-shadow: var(--shadow-md);
}

.card--featured {
  border: 2px solid transparent;
  background: linear-gradient(var(--color-bg-card), var(--color-bg-card)) padding-box,
              var(--gradient-cta) border-box;
  position: relative;
}

.card--featured::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  border-radius: inherit;
  opacity: 0.05;
  pointer-events: none;
}

.card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-cta);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card__icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-cta);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: white;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.25);
  transition: transform var(--transition-spring);
}

.card:hover .card__icon {
  transform: scale(1.1) rotate(-3deg);
}

.card__title {
  margin-bottom: var(--space-sm);
}

.card__text {
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ==========================================================================
   Badges
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 50px;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-light);
}

.badge--accent {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
  color: var(--color-accent);
  border-color: rgba(99, 102, 241, 0.2);
  position: relative;
  overflow: hidden;
}

.badge--accent::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-cta);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.badge--accent:hover {
  color: white;
}

.badge--accent:hover::before {
  opacity: 1;
}

.badge--accent span {
  position: relative;
  z-index: 1;
}

.badge--success {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
  border-color: rgba(16, 185, 129, 0.2);
}

.badge--glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ==========================================================================
   Tables
   ========================================================================== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg-card);
}

th, td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

th {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-bg);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(99, 102, 241, 0.02);
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq__item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq__item:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.faq__item.active {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md), 0 0 0 3px var(--color-accent-light);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.faq__question:hover {
  background: rgba(99, 102, 241, 0.03);
}

.faq__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: 50%;
  transition: all var(--transition-normal);
}

.faq__item.active .faq__icon {
  background: var(--gradient-cta);
  color: white;
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__item.active .faq__answer {
  max-height: 1000px;
}

.faq__answer-inner {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

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

.section--gradient {
  background: var(--gradient-hero);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.section__header h2 {
  margin-bottom: var(--space-sm);
}

.section__header p {
  font-size: 1.125rem;
  line-height: 1.7;
}

/* ==========================================================================
   Hero Section - Premium Explosive Design
   ========================================================================== */
.hero {
  padding: var(--space-lg) 0 var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

/* Background decoration - animated gradient orbs */
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.06) 30%, transparent 70%);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  top: 10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, rgba(236, 72, 153, 0.04) 40%, transparent 70%);
  pointer-events: none;
  animation: float 10s ease-in-out infinite reverse;
}

/* Third decorative orb */
.hero .container::before {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
  pointer-events: none;
  animation: float 12s ease-in-out infinite;
}

.hero__content {
  max-width: 850px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero__badge {
  margin-bottom: var(--space-lg);
  display: inline-flex;
  animation: bounce-subtle 2s ease-in-out infinite;
}

.hero h1 {
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.hero h1 .highlight {
  position: relative;
  display: inline-block;
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 0.1em;
  left: 0;
  right: 0;
  height: 0.3em;
  background: var(--gradient-cta);
  opacity: 0.2;
  border-radius: 4px;
  z-index: -1;
}

.hero__subtitle {
  font-size: 1.375rem;
  color: var(--color-text-secondary);
  max-width: 620px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Hero stats */
.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.hero__stat-label {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .hero__stats {
    flex-direction: column;
    gap: var(--space-lg);
  }
}

/* ==========================================================================
   Steps Section
   ========================================================================== */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.steps::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 56px;
  bottom: 56px;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-purple));
  border-radius: 3px;
  opacity: 0.3;
}

@media (max-width: 640px) {
  .steps::before {
    display: none;
  }
}

.step {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.step__number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--gradient-cta);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.step__content {
  flex: 1;
  padding-top: 0.75rem;
}

.step__content h4 {
  margin-bottom: var(--space-xs);
  font-size: 1.125rem;
}

.step__content p {
  line-height: 1.7;
}

/* ==========================================================================
   Pricing Cards
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}

.pricing-card {
  padding: var(--space-xl);
  text-align: center;
}

.pricing-card.card--featured {
  transform: scale(1.02);
  z-index: 1;
}

@media (max-width: 1024px) {
  .pricing-card.card--featured {
    transform: none;
  }
}

.pricing-card__name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pricing-card__price {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-text);
  margin: var(--space-md) 0;
  line-height: 1;
}

.pricing-card__price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-card__features {
  margin: var(--space-xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: left;
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.pricing-card__feature svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-success);
  margin-top: 2px;
}

.pricing-card .btn {
  width: 100%;
}

/* ==========================================================================
   Comparison
   ========================================================================== */
.comparison-block {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
}

.comparison-block:hover {
  box-shadow: var(--shadow-md);
}

.comparison-block--bad {
  border-color: rgba(239, 68, 68, 0.2);
}

.comparison-block--good {
  border-color: rgba(16, 185, 129, 0.2);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.02) 0%, transparent 100%);
}

.comparison-block h3 {
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.comparison-block ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.comparison-block li {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.comparison-block li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

/* ==========================================================================
   CTA Block
   ========================================================================== */
.cta-block {
  background: var(--gradient-cta);
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow-intense);
}

.cta-block::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
  animation: float 6s ease-in-out infinite;
}

.cta-block h2 {
  color: white;
  margin-bottom: var(--space-sm);
  position: relative;
}

.cta-block p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  max-width: 520px;
  margin: 0 auto var(--space-xl);
  position: relative;
}

.cta-block .btn {
  background: white;
  color: var(--color-accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  position: relative;
  animation: none;
}

.cta-block .btn:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.breadcrumbs__separator {
  color: var(--color-border);
}

.breadcrumbs__current {
  color: var(--color-text);
  font-weight: 500;
}

/* ==========================================================================
   Table of Contents
   ========================================================================== */
.toc {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.toc__title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toc__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.toc__link {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.toc__link:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-left-color: var(--color-accent);
}

.toc__link.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-left-color: var(--color-accent);
  font-weight: 600;
}

.toc__link--nested {
  padding-left: 1.5rem;
  font-size: 0.875rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer__manifesto {
  max-width: 640px;
  margin: 0 auto var(--space-xl);
  text-align: center;
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.8;
  position: relative;
}

.footer__manifesto::before {
  content: '"';
  font-size: 4rem;
  font-family: Georgia, serif;
  color: var(--color-accent);
  opacity: 0.2;
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
}

.footer__links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer__link {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.footer__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-cta);
  transition: width var(--transition-fast);
}

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

.footer__link:hover::after {
  width: 100%;
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Blog
   ========================================================================== */
.blog-card {
  display: flex;
  flex-direction: column;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.blog-card__title {
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card__title {
  color: var(--color-accent);
}

.blog-card__excerpt {
  flex-grow: 1;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.blog-card__link {
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition-fast);
}

.blog-card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.blog-card:hover .blog-card__link {
  gap: 0.75rem;
}

.blog-card:hover .blog-card__link svg {
  transform: translateX(4px);
}

/* Article */
.article {
  max-width: 720px;
  margin: 0 auto;
}

.article__header {
  margin-bottom: var(--space-xl);
}

.article__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.article__content {
  font-size: 1.0625rem;
  line-height: 1.9;
}

.article__content h2 {
  margin: var(--space-2xl) 0 var(--space-md);
  scroll-margin-top: 100px;
}

.article__content h3 {
  margin: var(--space-xl) 0 var(--space-sm);
  scroll-margin-top: 100px;
}

.article__content p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.article__content ul, 
.article__content ol {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.article__content li {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  line-height: 1.8;
}

.article__content ul li {
  list-style: disc;
}

.article__content ol li {
  list-style: decimal;
}

.article__content strong {
  font-weight: 600;
  color: var(--color-text);
}

.article__content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article__content a:hover {
  text-decoration-color: transparent;
}

.article__content blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
}

.article__content blockquote p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Contact Form
   ========================================================================== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 560px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form__label {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--space-md);
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-muted);
}

.form__textarea {
  min-height: 140px;
  resize: vertical;
}

.form__success {
  display: none;
  padding: var(--space-xl);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-lg);
  text-align: center;
}

.form__success.show {
  display: block;
  animation: fadeInScale 0.4s ease;
}

.form__success h3 {
  color: #059669;
  margin-bottom: var(--space-sm);
}

/* ==========================================================================
   404 Page
   ========================================================================== */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-page__content {
  max-width: 480px;
}

.error-page__code {
  font-size: 8rem;
  font-weight: 800;
  background: var(--gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-page__title {
  margin-bottom: var(--space-sm);
}

.error-page__text {
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: var(--color-accent);
  color: white;
}

/* Smooth scrolling for anchor links */
html {
  scroll-padding-top: 100px;
}

/* ==========================================================================
   Hero Badges Row
   ========================================================================== */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.08), 0 1px 3px rgba(0,0,0,0.04);
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero-badge:hover {
  border-color: var(--color-accent);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.15), 0 0 0 3px var(--color-accent-light);
  transform: translateY(-2px);
}

.hero-badge svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

/* ==========================================================================
   Horizontal Timeline (Desktop)
   ========================================================================== */
.timeline-horizontal {
  display: flex;
  gap: var(--space-md);
  position: relative;
  padding-top: var(--space-lg);
}

.timeline-horizontal::before {
  content: '';
  position: absolute;
  top: 47px;
  left: 40px;
  right: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-purple));
  border-radius: 3px;
  opacity: 0.3;
}

.timeline-item {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 var(--space-sm);
}

.timeline-item__number {
  width: 48px;
  height: 48px;
  background: var(--gradient-cta);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.125rem;
  margin: 0 auto var(--space-md);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-cta);
}

.timeline-item__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.timeline-item__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .timeline-horizontal {
    flex-direction: column;
    padding-left: var(--space-xl);
  }
  
  .timeline-horizontal::before {
    top: 24px;
    bottom: 24px;
    left: 23px;
    right: auto;
    width: 3px;
    height: auto;
  }
  
  .timeline-item {
    text-align: left;
    display: flex;
    gap: var(--space-md);
    padding: 0;
  }
  
  .timeline-item__number {
    flex-shrink: 0;
    margin: 0;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .timeline-item__content {
    flex: 1;
    padding-bottom: var(--space-lg);
  }
}

/* ==========================================================================
   Deliverables Block
   ========================================================================== */
.deliverables {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.deliverable {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.deliverable:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.deliverable__icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}

.deliverable__icon svg {
  width: 24px;
  height: 24px;
}

.deliverable__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .deliverables {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .deliverables {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Case Studies - New Design
   ========================================================================== */
.case-intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.case-intro__artifacts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.case-study {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-card);
}

@media (max-width: 1024px) {
  .case-study {
    grid-template-columns: 1fr;
  }
}

.case-study__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.case-study__title {
  font-size: 1.5rem;
  margin-right: auto;
}

.case-study__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.case-study__tag {
  padding: 0.375rem 0.875rem;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.case-study__section {
  margin-bottom: var(--space-lg);
}

.case-study__section:last-child {
  margin-bottom: 0;
}

.case-study__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.case-study__label--success {
  color: var(--color-success);
}

.case-study__label--problem {
  color: #EF4444;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case-study__label--problem svg {
  stroke: #EF4444;
}

.case-study__label--diagnosis {
  color: #F59E0B;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case-study__label--diagnosis svg {
  stroke: #F59E0B;
}

.case-study__label--action {
  color: #3B82F6;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case-study__label--action svg {
  stroke: #3B82F6;
}

.case-study__label--artifacts {
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case-study__label--artifacts svg {
  stroke: var(--color-primary);
}

.case-study__content {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.case-study__content ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.case-study__content li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.case-study__content li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  margin-top: 0.5rem;
  flex-shrink: 0;
}

.case-study__artifacts {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-top: var(--space-sm);
}

.case-study__artifact-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.875rem;
}

.case-study__artifact-row:last-child {
  border-bottom: none;
}

.case-study__artifact-label {
  color: var(--color-text-muted);
}

.case-study__artifact-value {
  color: var(--color-text);
  font-weight: 500;
}

.case-study__artifact-value .example {
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: 0.8125rem;
}

/* Case Preview Card */
.case-preview {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  height: fit-content;
  position: sticky;
  top: 100px;
}

.case-preview__title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.case-preview__item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 0.8125rem;
}

.case-preview__item:last-child {
  margin-bottom: 0;
}

.case-preview__item-label {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2xs);
}

.case-preview__item-content {
  color: var(--color-text-muted);
  font-family: monospace;
  font-size: 0.75rem;
  line-height: 1.6;
}

/* Case Accordion */
.case-accordion {
  margin-top: var(--space-md);
}

.case-accordion__trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.case-accordion__trigger:hover {
  background: var(--color-accent);
  color: white;
}

.case-accordion__trigger svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-normal);
}

.case-accordion__trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.case-accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.case-accordion__content.active {
  max-height: 2000px;
}

.case-accordion__inner {
  padding-top: var(--space-lg);
}

.case-example {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.case-example:last-child {
  margin-bottom: 0;
}

.case-example__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.case-example__content {
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  white-space: pre-wrap;
}

/* ==========================================================================
   Comparison Stacked Cards (Mobile)
   ========================================================================== */
.comparison-stacked {
  display: none;
}

@media (max-width: 768px) {
  .table-wrapper {
    display: none;
  }
  
  .comparison-stacked {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }
}

.comparison-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
}

.comparison-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.comparison-card__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.comparison-card__row:last-child {
  border-bottom: none;
}

.comparison-card__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.comparison-card__value {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.comparison-card__value--bad {
  color: var(--color-danger);
}

.comparison-card__value--good {
  color: var(--color-success);
}

/* ==========================================================================
   Premium Contact Form
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

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

.contact-form-premium {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-form-premium .form__input,
.contact-form-premium .form__select,
.contact-form-premium .form__textarea {
  border-radius: var(--radius-lg);
}

.form__select {
  width: 100%;
  padding: var(--space-md);
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238C939A' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  cursor: pointer;
}

.form__select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

/* What Happens Next */
.next-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.next-step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.next-step__number {
  width: 36px;
  height: 36px;
  background: var(--gradient-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.next-step__content h4 {
  font-size: 1rem;
  margin-bottom: var(--space-2xs);
}

.next-step__content p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Disclaimer Box
   ========================================================================== */
.disclaimer-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.disclaimer-box h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
}

.disclaimer-box p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Trust Section
   ========================================================================== */
.trust-section {
  padding: var(--space-xl) 0;
  background: var(--color-surface);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 1024px) {
  .trust-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.trust-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

@media (max-width: 1024px) {
  .trust-stats {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-xl);
  }
}

.trust-stat {
  text-align: center;
}

.trust-stat__number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  background-color: black;
}

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

.trust-testimonials {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.testimonial {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.testimonial__text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  font-style: italic;
}

.testimonial__author {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.testimonial__name {
  font-weight: 600;
  color: var(--color-text);
}

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

.trust-guarantees {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.guarantee {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.guarantee svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.guarantee strong {
  display: block;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.guarantee span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Sticky Mobile CTA
   ========================================================================== */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-sm) var(--space-md);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  z-index: 990;
  border-top: 1px solid var(--color-border-light);
}

@media (max-width: 768px) {
  .sticky-cta {
    display: block;
  }
}

.sticky-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  max-width: 600px;
  margin: 0 auto;
}

.sticky-cta__text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.sticky-cta__text strong {
  display: block;
  color: var(--color-text);
  font-weight: 600;
}

.sticky-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, #0088CC 0%, #00A3E0 100%);
  color: white;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.sticky-cta__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 136, 204, 0.4);
}

.sticky-cta__btn svg {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   Related Content Grid
   ========================================================================== */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

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

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

.related-card {
  display: block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-decoration: none;
  transition: all var(--transition-base);
}

.related-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.related-card__tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--gradient-subtle);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: var(--space-sm);
}

.related-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.related-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Author Box
   ========================================================================== */
.author-box {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  margin-top: var(--space-2xl);
}

@media (max-width: 640px) {
  .author-box {
    flex-direction: column;
    text-align: center;
  }
}

.author-box__avatar {
  width: 80px;
  height: 80px;
  background: var(--gradient-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-box__avatar svg {
  width: 40px;
  height: 40px;
  stroke: var(--color-primary);
}

.author-box__info {
  flex: 1;
}

.author-box__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.author-box__role {
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.author-box__bio {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.author-box__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.author-box__link:hover {
  color: var(--color-primary-dark);
}

/* ==========================================================================
   Urgency Timer
   ========================================================================== */
.urgency-timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: #92400E;
}

.urgency-timer svg {
  flex-shrink: 0;
}

.urgency-timer__text {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.urgency-timer__countdown {
  display: flex;
  gap: 0.25rem;
  font-variant-numeric: tabular-nums;
}

.urgency-timer__unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.25rem 0.5rem;
  background: rgba(255,255,255,0.6);
  border-radius: 4px;
  min-width: 2.5rem;
}

.urgency-timer__value {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  color: #B45309;
}

.urgency-timer__label {
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  color: #92400E;
}

/* ==========================================================================
   Scroll to Top Button
   ========================================================================== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 999;
}

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

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.scroll-top svg {
  width: 24px;
  height: 24px;
  stroke: white;
}

@media (max-width: 768px) {
  .scroll-top {
    bottom: 5rem;
    right: 1rem;
    width: 44px;
    height: 44px;
  }
  
  .scroll-top svg {
    width: 20px;
    height: 20px;
  }
}

/* ==========================================================================
   Exit Intent Popup
   ========================================================================== */
.exit-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 10001;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.exit-popup.active {
  display: flex;
}

.exit-popup__content {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 420px;
  width: 100%;
  text-align: center;
  position: relative;
  animation: popupSlide 0.3s ease;
}

@keyframes popupSlide {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.exit-popup__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 32px;
  height: 32px;
  border: none;
  background: var(--color-surface);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.exit-popup__close:hover {
  background: var(--color-border-light);
}

.exit-popup__icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
}

.exit-popup__icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-primary);
}

.exit-popup h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.exit-popup p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.exit-popup__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem 1.5rem;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.exit-popup__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.exit-popup__skip {
  display: block;
  margin-top: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.exit-popup__skip:hover {
  color: var(--color-text);
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
  .header,
  .footer,
  .mobile-telegram,
  .btn {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .section {
    padding: 1rem 0;
  }
}