/* ==========================================================================
   Out Open Source - Design System & Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors - European Professional Palette */
  --color-primary: #1a365d;        /* Deep navy blue - trust, stability */
  --color-primary-light: #2c5282;
  --color-primary-dark: #0f2442;
  --color-accent: #38a169;         /* Vibrant green - open source, growth */
  --color-accent-light: #48bb78;
  --color-accent-dark: #276749;
  --color-warning: #dd6b20;        /* Orange - for CTAs, urgency */
  --color-warning-light: #ed8936;
  
  /* Neutrals */
  --color-white: #ffffff;
  --color-gray-50: #f7fafc;
  --color-gray-100: #edf2f7;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e0;
  --color-gray-400: #a0aec0;
  --color-gray-500: #718096;
  --color-gray-600: #4a5568;
  --color-gray-700: #2d3748;
  --color-gray-800: #1a202c;
  --color-gray-900: #171923;
  
  /* Typography */
  --font-display: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 5rem);
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Layout */
  --max-width: 1280px;
  --max-width-narrow: 768px;
  --max-width-wide: 1440px;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 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);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-gray-700);
  background-color: var(--color-white);
}

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

input, button, textarea, select {
  font: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

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

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

/* --------------------------------------------------------------------------
   Typography Classes
   -------------------------------------------------------------------------- */
.text-display {
  font-size: var(--text-5xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.text-headline {
  font-size: var(--text-4xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.text-title {
  font-size: var(--text-3xl);
  font-weight: 700;
}

.text-subtitle {
  font-size: var(--text-2xl);
  font-weight: 600;
}

.text-lead {
  font-size: var(--text-xl);
  line-height: 1.6;
  color: var(--color-gray-600);
}

.text-body {
  font-size: var(--text-base);
}

.text-small {
  font-size: var(--text-sm);
}

.text-accent {
  color: var(--color-accent);
}

.text-muted {
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   Layout Components
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.container--wide {
  max-width: var(--max-width-wide);
}

.section {
  padding: var(--space-20) 0;
}

.section--large {
  padding: var(--space-32) 0;
}

.section--gray {
  background-color: var(--color-gray-50);
}

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

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

.grid {
  display: grid;
  gap: var(--space-8);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-100);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
}

.logo__icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__list {
  display: flex;
  list-style: none;
  gap: var(--space-6);
}

.nav__link {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  padding: var(--space-2) 0;
  position: relative;
}

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

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

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

.nav__lang {
  display: flex;
  gap: var(--space-2);
  padding-left: var(--space-6);
  border-left: 1px solid var(--color-gray-200);
}

.nav__lang a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-400);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav__lang a:hover,
.nav__lang a.active {
  color: var(--color-primary);
  background: var(--color-gray-100);
}

/* Mobile Navigation */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-fast);
}

@media (max-width: 900px) {
  .nav__toggle {
    display: flex;
  }
  
  .nav__list {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-gray-100);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
  }
  
  .nav__list.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  .nav__link {
    font-size: var(--text-lg);
    padding: var(--space-3) 0;
  }
  
  .nav__lang {
    border-left: none;
    padding-left: 0;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-200);
  }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: var(--space-24) 0 var(--space-32);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(56, 161, 105, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gray-200), transparent);
}

.hero__content {
  position: relative;
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.hero__badge svg {
  color: var(--color-accent);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero__title {
  margin-bottom: var(--space-6);
}

.hero__title .highlight {
  color: var(--color-accent);
  position: relative;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
  margin-bottom: var(--space-8);
  max-width: 640px;
  line-height: 1.6;
}

/* Hero Grid Layout */
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.hero__visual {
  position: relative;
}

/* Calculator Styles */
.hero__calculator {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-100);
}

.hero__calculator-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  text-align: center;
}

.calculator__field {
  margin-bottom: var(--space-4);
}

.calculator__field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.calculator__field input,
.calculator__field select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  background: var(--color-white);
  transition: border-color var(--transition-fast);
}

.calculator__field input:focus,
.calculator__field select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.calculator__result {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-gray-200);
}

.calculator__result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
}

.calculator__result-row span {
  color: var(--color-gray-600);
}

.calculator__result-row strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gray-800);
}

.calculator__result-row--highlight {
  background: linear-gradient(90deg, rgba(56, 161, 105, 0.1), rgba(56, 161, 105, 0.05));
  margin: var(--space-3) calc(-1 * var(--space-4));
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
}

.calculator__result-row--highlight strong {
  color: var(--color-accent);
  font-size: var(--text-xl);
}

.calculator__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-top: var(--space-3);
  text-align: center;
}

.text-accent {
  color: var(--color-accent);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

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

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

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

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

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

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

.btn--large {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

.btn--small {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-gray-100), var(--color-gray-50));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

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

.card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.card__text {
  color: var(--color-gray-600);
  line-height: 1.7;
}

.card--highlight {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, var(--color-white), rgba(56, 161, 105, 0.03));
}

.card--highlight .card__icon {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Features / Benefits
   -------------------------------------------------------------------------- */
.features {
  display: grid;
  gap: var(--space-12);
}

.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.feature:nth-child(even) {
  direction: rtl;
}

.feature:nth-child(even) > * {
  direction: ltr;
}

.feature__content {
  max-width: 520px;
}

.feature__label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.feature__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.feature__text {
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
}

.feature__visual {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .feature {
    grid-template-columns: 1fr;
  }
  
  .feature:nth-child(even) {
    direction: ltr;
  }
}

/* --------------------------------------------------------------------------
   Stats / Numbers
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand {
  max-width: 300px;
}

.footer__brand .logo {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer__brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
}

.footer__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.footer__list {
  list-style: none;
}

.footer__list li {
  margin-bottom: var(--space-2);
}

.footer__list a {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__list a:hover {
  color: var(--color-white);
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-sm);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.footer__legal a:hover {
  color: var(--color-white);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Page Header (Subpages)
   -------------------------------------------------------------------------- */
.page-header {
  background: var(--color-gray-50);
  padding: var(--space-16) 0;
  text-align: center;
}

.page-header__title {
  margin-bottom: var(--space-4);
}

.page-header__subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
  max-width: 640px;
  margin: 0 auto;
}

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}

.breadcrumb a {
  color: var(--color-gray-500);
}

.breadcrumb span {
  color: var(--color-gray-400);
}

/* --------------------------------------------------------------------------
   Content Sections
   -------------------------------------------------------------------------- */
.content {
  max-width: 720px;
  margin: 0 auto;
}

.content h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
}

.content h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.content p {
  margin-bottom: var(--space-4);
}

.content ul, .content ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.content li {
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   Service Cards (Leistungen)
   -------------------------------------------------------------------------- */
.service-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

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

.service-card__icon--accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
}

.service-card--highlight {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, var(--color-white), rgba(56, 161, 105, 0.05));
}

.service-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.service-card__text {
  color: var(--color-gray-600);
}

.service-card__detail {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.service-card__detail strong {
  color: var(--color-gray-700);
}

@media (max-width: 600px) {
  .service-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .service-card__icon {
    margin: 0 auto;
  }
}

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */
.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--space-6) 0;
}

.faq-item:first-child {
  border-top: 1px solid var(--color-gray-200);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  padding: 0;
}

.faq-question::after {
  content: '+';
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

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

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

.faq-answer__inner {
  padding-top: var(--space-4);
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   Contact Form
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-item__icon {
  width: 48px;
  height: 48px;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}

.contact-item__icon svg {
  width: 20px;
  height: 20px;
}

.contact-item__label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-1);
}

.contact-item__value {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
}

.contact-item__value a {
  color: var(--color-primary);
}

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

.contact-info__item {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info__label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
}

/* Calendly Embed */
.calendly-embed {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  min-height: 600px;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Migration Scenarios
   -------------------------------------------------------------------------- */
.migration-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-gray-100);
  position: relative;
  overflow: hidden;
}

.migration-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.migration-card__from {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-1);
}

.migration-card__arrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.migration-card__arrow span {
  height: 2px;
  flex-grow: 1;
  background: linear-gradient(90deg, var(--color-gray-300), var(--color-accent));
}

.migration-card__arrow::after {
  content: '→';
  color: var(--color-accent);
  font-size: var(--text-xl);
  font-weight: 700;
}

.migration-card__to {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.migration-card__text {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
}

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Scroll animations */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .header, .footer, .btn, .nav {
    display: none;
  }
  
  body {
    font-size: 12pt;
    color: black;
  }
  
  a {
    text-decoration: underline;
  }
}

/* --------------------------------------------------------------------------
   NEW: Hero Proof Section
   -------------------------------------------------------------------------- */
.hero__proof {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

.hero__proof-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero__proof-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
}

.hero__proof-label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

@media (max-width: 600px) {
  .hero__proof {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .hero__proof-item {
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-3);
  }
}

/* --------------------------------------------------------------------------
   NEW: Problem/Solution Grid
   -------------------------------------------------------------------------- */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
}

.problem-card {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 2px solid;
}

.problem-card--red {
  border-color: #feb2b2;
  background: linear-gradient(135deg, #fff5f5, #fed7d7);
}

.problem-card--green {
  border-color: #9ae6b4;
  background: linear-gradient(135deg, #f0fff4, #c6f6d5);
}

.problem-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.problem-card--red .problem-card__header svg {
  color: #c53030;
}

.problem-card--green .problem-card__header svg {
  color: #276749;
}

.problem-card__title {
  font-size: var(--text-xl);
  margin: 0;
}

.problem-card--red .problem-card__title {
  color: #c53030;
}

.problem-card--green .problem-card__title {
  color: #276749;
}

.problem-card__list {
  list-style: none;
}

.problem-card__list li {
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.problem-card__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.problem-card__list li strong {
  display: block;
  font-size: var(--text-base);
  color: var(--color-gray-800);
  margin-bottom: var(--space-1);
}

.problem-card__list li span {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   NEW: Card Steps & Details
   -------------------------------------------------------------------------- */
.card__step {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.card__detail {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-weight: 500;
}

.card__icon--accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)) !important;
  color: white;
}

/* --------------------------------------------------------------------------
   NEW: Large Migration Cards
   -------------------------------------------------------------------------- */
.migration-card--large {
  padding: var(--space-6);
}

.migration-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
  margin-bottom: var(--space-4);
}

.migration-card__from-logo,
.migration-card__to-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
}

.migration-card__arrow-large {
  font-size: var(--text-2xl);
  color: var(--color-accent);
  font-weight: 300;
}

.migration-card__body p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  color: var(--color-gray-600);
}

.migration-card__body p:last-child {
  margin-bottom: 0;
}

.migration-card__body strong {
  color: var(--color-gray-700);
}

/* --------------------------------------------------------------------------
   NEW: Credentials List
   -------------------------------------------------------------------------- */
.feature__credentials {
  margin: var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.credential {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   NEW: Failure Stats Visual
   -------------------------------------------------------------------------- */
.failure-stats {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-12);
  height: 100%;
  min-height: 280px;
  padding: var(--space-8);
}

.failure-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.failure-stat__bar {
  width: 80px;
  height: calc(var(--height) * 2);
  background: linear-gradient(to top, #c53030, #fc8181);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: var(--space-3);
  position: relative;
}

.failure-stat__bar--success {
  background: linear-gradient(to top, var(--color-accent-dark), var(--color-accent-light));
}

.failure-stat__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: white;
}

.failure-stat__label {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  text-align: center;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   NEW: Solution Components Grid
   -------------------------------------------------------------------------- */
.solution-components {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

@media (max-width: 600px) {
  .solution-components {
    grid-template-columns: 1fr;
  }
}

.solution-component {
  padding: var(--space-3) var(--space-4);
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.solution-component strong {
  display: block;
  color: var(--color-gray-500);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.solution-component span {
  color: var(--color-gray-800);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   NEW: Solution Stats
   -------------------------------------------------------------------------- */
.solution-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
}

.solution-stat {
  display: flex;
  flex-direction: column;
}

.solution-stat__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.solution-stat__label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

/* --------------------------------------------------------------------------
   NEW: Migration Visual
   -------------------------------------------------------------------------- */
.migration-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8);
}

.migration-visual__from,
.migration-visual__to {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.migration-visual__from span,
.migration-visual__to span {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

.migration-visual__arrow {
  color: var(--color-accent);
  transform: rotate(90deg);
}

/* --------------------------------------------------------------------------
   NEW: Reference Projects
   -------------------------------------------------------------------------- */
.reference-projects {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
}

.reference-projects__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-3);
}

.reference-projects__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.reference-projects__list span {
  padding: var(--space-1) var(--space-3);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   NEW: Public Sector Visual
   -------------------------------------------------------------------------- */
.public-sector-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8);
}

.public-sector-visual span {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  text-align: center;
}

/* --------------------------------------------------------------------------
   NEW: Quote Card
   -------------------------------------------------------------------------- */
.quote-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-accent);
}

.quote-card blockquote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: var(--space-4);
}

.quote-card cite {
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
}

.quote-card__subtext {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   NEW: Testimonials
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.testimonial {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.testimonial__quote {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  flex-grow: 1;
  font-style: italic;
}

.testimonial__quote::before {
  content: '"';
  font-size: var(--text-3xl);
  color: var(--color-accent);
  line-height: 0;
  display: block;
  margin-bottom: var(--space-2);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
}

.testimonial__name {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-gray-800);
}

.testimonial__role {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   NEW: Case Study Preview
   -------------------------------------------------------------------------- */
.case-study-preview {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  color: var(--color-white);
}

.case-study-preview__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.case-study-preview__title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-8);
}

.case-study-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

@media (max-width: 900px) {
  .case-study-preview__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.case-study-preview__challenge,
.case-study-preview__solution,
.case-study-preview__results {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.case-study-preview h4 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
  margin-bottom: var(--space-3);
}

.case-study-preview p {
  font-size: var(--text-sm);
  line-height: 1.7;
  opacity: 0.95;
}

.case-study-preview__results ul {
  list-style: none;
  font-size: var(--text-sm);
}

.case-study-preview__results li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.case-study-preview__results li:last-child {
  border-bottom: none;
}

.case-study-preview__results strong {
  color: var(--color-accent-light);
}

.case-study-preview__note {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  opacity: 0.7;
  text-align: center;
}

/* --------------------------------------------------------------------------
   NEW: Technology Partners
   -------------------------------------------------------------------------- */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 500px) {
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.partner {
  text-align: center;
  padding: var(--space-4);
}

.partner__logo {
  margin-bottom: var(--space-3);
  display: flex;
  justify-content: center;
}

.partner__logo svg {
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.partner:hover .partner__logo svg {
  opacity: 1;
}

.partner__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-gray-800);
  margin-bottom: var(--space-1);
}

.partner__desc {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   NEW: Case Study Teaser
   -------------------------------------------------------------------------- */
.case-study-teaser {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-8);
  align-items: center;
}

@media (max-width: 900px) {
  .case-study-teaser {
    grid-template-columns: 1fr;
  }
}

.case-study-teaser__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.case-study-teaser__title {
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.case-study-teaser__text {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.case-study-teaser__stats {
  display: flex;
  gap: var(--space-8);
}

.case-study-teaser__stat {
  display: flex;
  flex-direction: column;
}

.case-study-teaser__stat strong {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent);
}

.case-study-teaser__stat span {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.case-study-teaser__quote {
  background: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-md);
}

.case-study-teaser__quote blockquote {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.case-study-teaser__quote cite {
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   NEW: Partner Logos Strip
   -------------------------------------------------------------------------- */
.partner-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-10);
  flex-wrap: wrap;
  padding: var(--space-6) 0;
}

.partner-logo {
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  filter: grayscale(30%);
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}