/* ===================================================================
   Clarity Case Study Landing Page Styles
   Built with BEM Methodology and Orlando Design Principles
   =================================================================== */

/* ===================================================================
   CSS Custom Properties (Design System)
   =================================================================== */

:root {
  /* Color Palette - Light Theme */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #818cf8;
  --color-secondary: #f59e0b;
  --color-accent: #10b981;
  
  --color-background: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-elevated: #ffffff;
  
  --color-text-primary: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-tertiary: #94a3b8;
  
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  
  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* Spacing System */
  --spacing-xs: 0.25rem;    /* 4px */
  --spacing-sm: 0.5rem;     /* 8px */
  --spacing-md: 1rem;       /* 16px */
  --spacing-lg: 1.5rem;     /* 24px */
  --spacing-xl: 2rem;       /* 32px */
  --spacing-2xl: 3rem;      /* 48px */
  --spacing-3xl: 4rem;      /* 64px */
  --spacing-4xl: 6rem;      /* 96px */
  
  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: var(--font-family-base);
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  --font-size-6xl: 3.75rem;   /* 60px */
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index Scale */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal: 1040;
  --z-index-popover: 1050;
  --z-index-tooltip: 1060;
}

/* ===================================================================
   Featured Post Section
   =================================================================== */

.featured {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.featured__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
}

.featured__eyebrow {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xs);
}

.featured__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.featured__excerpt {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.featured__link {
  color: inherit;
  text-decoration: none;
}

.featured__link:hover,
.featured__link:focus {
  text-decoration: underline;
}

/* ===================================================================
   Site Banner (Orlando Notice)
   =================================================================== */

.site-banner {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.site-banner__container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.site-banner__text {
  font-size: var(--font-size-sm);
}

.site-banner__link {
  color: var(--color-primary);
  text-decoration: underline;
}

.site-banner__link:hover,
.site-banner__link:focus {
  color: var(--color-primary-dark);
}

/* Dark Theme */
[data-theme="dark"] {
  --color-primary: #818cf8;
  --color-primary-dark: #6366f1;
  --color-primary-light: #a5b4fc;
  --color-secondary: #fbbf24;
  --color-accent: #34d399;
  
  --color-background: #0f172a;
  --color-surface: #1e293b;
  --color-surface-elevated: #334155;
  
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #94a3b8;
  
  --color-border: #334155;
  --color-border-light: #1e293b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
}

/* ===================================================================
   Base Styles & Reset
   =================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: var(--z-index-tooltip);
  border-radius: var(--radius-md);
}

.skip-link:focus {
  top: var(--spacing-sm);
  left: var(--spacing-sm);
}

/* ===================================================================
   Layout Components
   =================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
  }
}

/* ===================================================================
   Header Component
   =================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  transition: background-color var(--transition-base);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.8;
}

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

.logo__accent {
  color: var(--color-primary);
}

/* Navigation */
.nav__list {
  display: none;
  list-style: none;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .nav__list {
    display: flex;
  }
}

.nav__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link:focus {
  color: var(--color-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav__link:hover::after,
.nav__link:focus::after {
  width: 100%;
}

/* Header Actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-lg);
}

.theme-toggle:hover {
  background-color: var(--color-border);
  transform: scale(1.05);
}

.theme-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 2.5rem;
  height: 2.5rem;
  padding: var(--spacing-sm);
  border: none;
  background-color: transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle__line {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
}

/* ===================================================================
   Button Components
   =================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-primary);
  color: white;
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn--large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* ===================================================================
   Hero Section
   =================================================================== */

.hero {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 100%);
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr 1fr;
  }
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.hero__accent {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--font-size-2xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-medium);
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-2xl);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--spacing-xl);
}

/* Stat Component */
.stat {
  text-align: center;
}

.stat__value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* AI Visual Component */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-visual {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-visual__circle {
  position: absolute;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse 3s ease-in-out infinite;
}

.ai-visual__circle--1 {
  width: 100%;
  height: 100%;
  animation-delay: 0s;
}

.ai-visual__circle--2 {
  width: 80%;
  height: 80%;
  animation-delay: 0.5s;
}

.ai-visual__circle--3 {
  width: 60%;
  height: 60%;
  animation-delay: 1s;
}

.ai-visual__core {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  animation: float 4s ease-in-out infinite;
}

.ai-visual__icon {
  font-size: 4rem;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.5;
  }
}

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

/* ===================================================================
   Values Section
   =================================================================== */

.values {
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
  background-color: var(--color-background);
}

.values__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

/* Value Card Component */
.value-card {
  padding: var(--spacing-2xl);
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  text-align: center;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.value-card__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.value-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.value-card__description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ===================================================================
   Services Section
   =================================================================== */

.services {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  background-color: var(--color-surface);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
}

.section-header__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.section-header__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

/* Service Card Component */
.service-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.service-card__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  display: block;
}

.service-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.service-card__description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.service-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.service-card__features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.service-card__features li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

/* ===================================================================
   How It Works Section
   =================================================================== */

.how-it-works {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  background-color: var(--color-background);
}

.process {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
  max-width: 900px;
  margin: 0 auto;
}

/* Process Step Component */
.process-step {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.process-step__number {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border-radius: 50%;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-md);
}

.process-step__content {
  flex: 1;
}

.process-step__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.process-step__description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ===================================================================
   Why Us Section
   =================================================================== */

.why-us {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  background-color: var(--color-surface);
}

.differentiators {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

/* Differentiator Component */
.differentiator {
  text-align: center;
  padding: var(--spacing-xl);
}

.differentiator__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

.differentiator__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.differentiator__description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ===================================================================
   Testimonials Section
   =================================================================== */

.testimonials {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  background-color: var(--color-background);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

/* Testimonial Card Component */
.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--spacing-lg);
  left: var(--spacing-lg);
  font-size: 4rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.1;
  font-family: Georgia, serif;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.testimonial-card__content {
  position: relative;
  z-index: 1;
}

.testimonial-card__quote {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xl);
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.testimonial-card__avatar {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.testimonial-card__initials {
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
}

.testimonial-card__details {
  flex: 1;
}

.testimonial-card__name {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.testimonial-card__role {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.testimonial-card__company {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

/* ===================================================================
   Tech Stack Section
   =================================================================== */

.tech-stack {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  background-color: var(--color-surface);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.tech-category__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tech-tag {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* ===================================================================
   CTA Section
   =================================================================== */

.cta {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.cta__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  color: white;
}

.cta__description {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  color: rgba(255, 255, 255, 0.9);
  line-height: var(--line-height-relaxed);
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

.cta .btn--primary {
  background-color: white;
  color: var(--color-primary);
}

.cta .btn--primary:hover {
  background-color: var(--color-surface);
  color: var(--color-primary-dark);
}

.cta .btn--secondary {
  background-color: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.cta .btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* ===================================================================
   Footer Component
   =================================================================== */

.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-xl);
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .footer__content {
    grid-template-columns: 2fr 3fr;
  }
}

.footer__brand {
  max-width: 400px;
}

.footer__tagline {
  margin-top: var(--spacing-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-xl);
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.footer__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer__copyright {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

/* ===================================================================
   Blog Post Page
   =================================================================== */

.blog {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  background-color: var(--color-background);
}

.blog-post {
  max-width: 800px;
  margin: 0 auto;
}

.blog-post__header {
  margin-bottom: var(--spacing-xl);
}

.blog-post__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.blog-post__meta {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  display: flex;
  gap: var(--spacing-sm);
}

.blog-post__content {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.blog-post__content h2 {
  color: var(--color-text-primary);
  font-size: var(--font-size-2xl);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.blog-post__content h3 {
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.blog-post__content p,
.blog-post__content ul,
.blog-post__content ol {
  margin-bottom: var(--spacing-lg);
}

.blog-post__content ul {
  padding-left: var(--spacing-xl);
  list-style: disc;
}

.blog-post__content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.blog-post__content a:hover,
.blog-post__content a:focus {
  color: var(--color-primary-dark);
}

/* ===================================================================
   Blog Listing Section
   =================================================================== */

.blog-listing {
  padding: var(--spacing-4xl) 0;
}

.blog-listing__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.blog-listing__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.blog-listing__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.blog-listing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 400px), 1fr));
  gap: var(--spacing-2xl);
}

/* ===================================================================
   Blog Card Component
   =================================================================== */

.blog-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.blog-card__content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.blog-card__date {
  color: var(--color-text-secondary);
}

.blog-card__divider {
  color: var(--color-text-tertiary);
}

.blog-card__reading-time {
  color: var(--color-text-tertiary);
}

.blog-card__badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card__badge--draft {
  background: var(--color-warning);
  color: white;
}

.blog-card__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-tight);
}

.blog-card__link {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.blog-card__link:hover,
.blog-card__link:focus {
  color: var(--color-primary);
}

.blog-card__excerpt {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
  flex: 1;
}

.blog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.blog-card__tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.blog-card__tag:hover {
  background: var(--color-primary-light);
  color: white;
}

.blog-card__read-more {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: gap var(--transition-fast);
  margin-top: auto;
}

.blog-card__read-more:hover,
.blog-card__read-more:focus {
  gap: var(--spacing-sm);
  color: var(--color-primary-dark);
}

/* ===================================================================
   Responsive Design
   =================================================================== */

@media (max-width: 767px) {
  .hero {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
  }
  
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero__actions .btn {
    width: 100%;
  }
  
  .services__grid,
  .values__grid,
  .differentiators {
    grid-template-columns: 1fr;
  }
  
  .process-step {
    flex-direction: column;
    text-align: center;
  }
  
  .blog-listing__title {
    font-size: var(--font-size-3xl);
  }
  
  .blog-listing__grid {
    grid-template-columns: 1fr;
  }
  
  .blog-card__title {
    font-size: var(--font-size-xl);
  }
}

/* ===================================================================
   Accessibility & Motion Preferences
   =================================================================== */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Print styles */
@media print {
  .header,
  .footer,
  .theme-toggle,
  .mobile-menu-toggle {
    display: none;
  }
  
  body {
    color: #000;
    background: #fff;
  }
}