/* Design System */
:root {
  /* Colors */
  --color-primary: #1e40af;
  --color-primary-dark: #1e3a8a;
  --color-accent: #3b82f6;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-background: #ffffff;
  --color-background-alt: #f9fafb;
  --color-border: #e5e7eb;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  /* Transitions */
  --transition: all 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);

  /* Header */
  --color-header-bg: rgba(255, 255, 255, 0.9);

  /* Semantic */
  --color-success: #10b981;
  --color-featured-bg: rgba(30, 64, 175, 0.02);
}

/* Dark Theme */


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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

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

a:hover {
  color: var(--color-primary-dark);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background-color: var(--color-header-bg);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

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

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-links a {
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.lang-switch {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition);
}

.lang-switch:hover {
  border-color: var(--color-primary);
  background-color: var(--color-background-alt);
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-alt) 100%);
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--color-primary);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.6s ease;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero .subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-item strong {
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 700;
}

.stat-item span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

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

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

.cta-secondary {
  background-color: var(--color-background);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

/* Section */
.section {
  padding: var(--spacing-xl) 0;
}

/* Tech Stack Section */
.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.tech-category {
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.tech-category:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.tech-category-title {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-item {
  padding: 0.5rem 1rem;
  background-color: var(--color-background-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text);
  font-family: var(--font-mono);
  transition: var(--transition);
}

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

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

.section-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.card {
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.card-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.card ul {
  list-style: none;
  padding: 0;
}

.card li {
  padding: 0.5rem 0;
  color: var(--color-text-light);
  position: relative;
  padding-left: 1.5rem;
}

.card li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

.card-value {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.project-card {
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
}

.project-card.featured {
  border: 2px solid var(--color-primary);
  background: linear-gradient(135deg, var(--color-featured-bg) 0%, var(--color-background) 100%);
}

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

.project-meta {
  margin-bottom: var(--spacing-sm);
}

.project-type {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-accent);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.project-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.project-results {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0;
}

.project-results li {
  padding: 0.5rem 0;
  color: var(--color-text);
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
}

.project-results li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--spacing-sm);
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-family: var(--font-mono);
}

/* Engagement/Pricing Section */
.engagement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

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

.engagement-card-minimal {
  text-align: center;
  padding: var(--spacing-md);
}

.engagement-card-minimal .engagement-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.engagement-card-minimal .engagement-duration {
  display: inline-block;
  margin-bottom: 0.75rem;
}

.engagement-card-minimal .engagement-description {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.engagement-card {
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
}

.engagement-card.highlighted {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

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

.engagement-card.highlighted:hover {
  transform: translateY(-4px) scale(1.02);
}

.engagement-badge {
  position: absolute;
  top: -12px;
  right: var(--spacing-md);
  background-color: var(--color-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.engagement-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.engagement-title {
  font-size: 1.5rem;
  color: var(--color-text);
  margin: 0;
}

.engagement-duration {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-weight: 600;
  background-color: var(--color-background-alt);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.engagement-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-size: 1.05rem;
}

.engagement-includes {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0;
}

.engagement-includes li {
  padding: 0.5rem 0;
  color: var(--color-text-light);
  position: relative;
  padding-left: 1.5rem;
}

.engagement-includes li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

.engagement-ideal {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-text-light);
}

.engagement-ideal strong {
  color: var(--color-text);
}

.pricing-note {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--color-background-alt);
  border-radius: var(--radius-md);
  text-align: center;
}

.pricing-note p {
  margin: 0;
  color: var(--color-text);
  font-size: 1.05rem;
}

/* About Section */
.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.single-title {
  margin-bottom: var(--spacing-md);
  font-size: clamp(2rem, 3vw, 2.75rem);
  line-height: 1.1;
}

.single-content h2,
.single-content h3 {
  font-family: var(--font-sans);
  letter-spacing: 0;
  line-height: 1.25;
}

.single-content h2 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

.single-content h3 {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.about-philosophy,
.about-experience,
.about-approach {
  margin-bottom: var(--spacing-lg);
}

.philosophy-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  text-align: center;
}

.about-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.approach-item {
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.approach-item strong {
  display: block;
  font-size: 1.125rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.approach-item p {
  font-size: 0.95rem;
  margin: 0;
}

/* Contact Section */
.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 600;
  color: var(--color-text);
  transition: var(--transition);
}

.contact-link:hover {
  border-color: var(--color-primary);
  background-color: var(--color-background-alt);
  transform: translateY(-2px);
  color: var(--color-primary);
}

/* Footer */
.footer {
  padding: var(--spacing-lg) 0;
  background-color: var(--color-background-alt);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .hero {
    padding: var(--spacing-lg) 0;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .hero-ctas {
    flex-direction: column;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .cards-grid,
  .projects-grid,
  .engagement-grid,
  .engagement-grid-minimal {
    grid-template-columns: 1fr;
  }

  .approach-grid {
    grid-template-columns: 1fr;
  }

  .engagement-card.highlighted {
    transform: scale(1);
  }

  .engagement-card.highlighted:hover {
    transform: translateY(-4px);
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--spacing-xs) var(--spacing-sm);
  }

  .nav-links a {
    font-size: 0.85rem;
  }

  .lang-switch {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
  }

  .contact-links {
    flex-direction: column;
  }

  .engagement-header {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }

  .engagement-grid-minimal {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }
}
/* Premium redesign layer */
:root {
  --color-primary: #14213d;
  --color-primary-dark: #0b1222;
  --color-accent: #8a5d18;
  --color-accent-soft: #ead9bd;
  --color-text: #181714;
  --color-text-light: #6f675d;
  --color-background: #f7f3ec;
  --color-background-alt: #efe8dc;
  --color-surface: rgba(255, 252, 247, 0.82);
  --color-surface-solid: #fffaf2;
  --color-surface-muted: #f4ecdf;
  --color-border: rgba(24, 23, 20, 0.12);
  --color-border-subtle: rgba(24, 23, 20, 0.1);
  --color-border-strong: rgba(24, 23, 20, 0.18);
  --color-header-bg: rgba(247, 243, 236, 0.82);
  --color-featured-bg: rgba(185, 133, 43, 0.08);
  --color-card-text: #181714;
  --color-card-text-muted: #403a33;
  --color-accent-text: #8a5d18;
  --color-accent-border: rgba(185, 133, 43, 0.42);
  --color-accent-border-soft: rgba(185, 133, 43, 0.22);
  --color-label-bg: rgba(185, 133, 43, 0.14);
  --color-label-text: #7a5318;
  --color-label-border: rgba(185, 133, 43, 0.24);
  --color-primary-action: #14213d;
  --color-primary-action-hover: #0b1222;
  --color-primary-action-text: #ffffff;
  --color-secondary-action-bg: rgba(255, 252, 247, 0.62);
  --color-secondary-action-hover-bg: #fffaf2;
  --color-chip-bg: rgba(255, 252, 247, 0.54);
  --color-control-bg: rgba(255, 252, 247, 0.55);
  --color-control-hover-bg: rgba(255, 252, 247, 0.86);
  --color-body-glow-accent: rgba(185, 133, 43, 0.14);
  --color-body-glow-primary: rgba(20, 33, 61, 0.08);
  --color-inset-highlight: rgba(255, 255, 255, 0.45);
  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.5rem;
  --shadow-sm: 0 1px 2px rgb(24 23 20 / 0.04);
  --shadow-md: 0 14px 35px rgb(24 23 20 / 0.08);
  --shadow-lg: 0 28px 70px rgb(24 23 20 / 0.14);
  --transition: all 0.25s ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #f1d39a;
    --color-primary-dark: #05070b;
    --color-accent: #f0c46f;
    --color-accent-soft: #4b3820;
    --color-text: #f7efe3;
    --color-text-light: #c8bba8;
    --color-background: #0b0d11;
    --color-background-alt: #12161d;
    --color-surface: rgba(27, 30, 36, 0.86);
    --color-surface-solid: #171b22;
    --color-surface-muted: #202632;
    --color-border: rgba(247, 239, 227, 0.13);
    --color-border-subtle: rgba(247, 239, 227, 0.11);
    --color-border-strong: rgba(240, 196, 111, 0.34);
    --color-header-bg: rgba(11, 13, 17, 0.84);
    --color-featured-bg: rgba(240, 196, 111, 0.08);
    --color-card-text: #f7efe3;
    --color-card-text-muted: #d9cbb8;
    --color-accent-text: #f0c46f;
    --color-accent-border: rgba(240, 196, 111, 0.45);
    --color-accent-border-soft: rgba(240, 196, 111, 0.24);
    --color-label-bg: rgba(240, 196, 111, 0.12);
    --color-label-text: #f3cf86;
    --color-label-border: rgba(240, 196, 111, 0.26);
    --color-primary-action: #8a5d18;
    --color-primary-action-hover: #a87423;
    --color-primary-action-text: #fffaf2;
    --color-secondary-action-bg: rgba(247, 239, 227, 0.07);
    --color-secondary-action-hover-bg: rgba(240, 196, 111, 0.13);
    --color-chip-bg: rgba(247, 239, 227, 0.08);
    --color-control-bg: rgba(247, 239, 227, 0.07);
    --color-control-hover-bg: rgba(240, 196, 111, 0.12);
    --color-body-glow-accent: rgba(240, 196, 111, 0.14);
    --color-body-glow-primary: rgba(95, 134, 211, 0.1);
    --color-inset-highlight: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.24);
    --shadow-md: 0 14px 35px rgb(0 0 0 / 0.28);
    --shadow-lg: 0 28px 70px rgb(0 0 0 / 0.38);
  }
}

body {
  background:
    radial-gradient(circle at 10% -10%, var(--color-body-glow-accent), transparent 34rem),
    radial-gradient(circle at 92% 8%, var(--color-body-glow-primary), transparent 30rem),
    var(--color-background);
}

h1, h2, .section-title {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 500;
  letter-spacing: -0.045em;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.9rem);
  line-height: 0.96;
}

h2, .section-title {
  font-size: clamp(2.25rem, 4vw, 4rem);
  line-height: 1;
}

.header {
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: 0 8px 28px rgb(24 23 20 / 0.04);
}

.logo {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.nav-links a {
  color: var(--color-text-light);
  font-size: 0.86rem;
  letter-spacing: 0.01em;
}

.lang-switch {
  border-color: var(--color-border);
  border-radius: 999px;
  background: var(--color-control-bg);
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(5rem, 9vw, 8rem) 0 clamp(4rem, 8vw, 7rem);
  text-align: left;
  background: transparent;
}

.hero::after {
  content: "";
  position: absolute;
  right: -14rem;
  top: 9rem;
  width: 36rem;
  height: 36rem;
  border: 1px solid var(--color-accent-border-soft);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}

.hero-copy {
  max-width: 820px;
}

.hero-badge,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  background: transparent;
  color: var(--color-accent);
  border-radius: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
  animation: fadeInUp 0.6s ease;
}

.hero-badge::before,
.eyebrow::before {
  content: "";
  width: 2.6rem;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.hero .subtitle {
  max-width: 680px;
  margin: 1.7rem 0 0;
  font-size: clamp(1.12rem, 1.6vw, 1.35rem);
  line-height: 1.75;
  color: var(--color-text-light);
}

.hero-ctas {
  justify-content: flex-start;
  gap: 0.9rem;
  margin-top: 2.2rem;
}

.cta {
  border-radius: 999px;
  box-shadow: none;
  padding: 0.95rem 1.55rem;
  font-size: 0.95rem;
}

.cta-primary {
  background: var(--color-primary-action);
  border: 1px solid var(--color-primary-action);
  color: var(--color-primary-action-text);
}

.cta-primary:hover {
  background: var(--color-primary-action-hover);
  box-shadow: var(--shadow-md);
  color: var(--color-primary-action-text);
}

.cta-secondary {
  background: var(--color-secondary-action-bg);
  border: 1px solid var(--color-border-strong);
  color: var(--color-primary);
}

.cta-secondary:hover {
  background: var(--color-secondary-action-hover-bg);
  border-color: var(--color-accent);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.hero-proof-card {
  position: relative;
  padding: clamp(1.7rem, 3vw, 2.5rem);
  background: linear-gradient(145deg, var(--color-surface-solid), var(--color-surface-muted));
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.hero-proof-card::before {
  content: "";
  position: absolute;
  inset: 0.75rem;
  border: 1px solid var(--color-accent-border-soft);
  border-radius: 1.5rem;
  pointer-events: none;
}

.hero-proof-card blockquote {
  position: relative;
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.28;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.signature {
  margin-top: 1.2rem;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.hero-stats {
  justify-content: flex-start;
  gap: 0;
  margin: 2rem 0 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--color-border-subtle);
}

.stat-item {
  align-items: flex-start;
  flex: 1;
}

.stat-item strong {
  color: var(--color-primary);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.stat-item span {
  max-width: 9rem;
  line-height: 1.35;
}

.section {
  padding: clamp(4rem, 7vw, 7rem) 0;
}

.section-header {
  max-width: 900px;
  margin: 0 auto clamp(2rem, 4vw, 3.4rem);
}

.section-description {
  max-width: 780px;
  font-size: 1.13rem;
  line-height: 1.75;
}

.cards-grid,
.projects-grid,
.engagement-grid {
  gap: clamp(1rem, 2vw, 1.5rem);
  margin-top: 0;
}

.card,
.project-card,
.engagement-card,
.tech-category,
.approach-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 0 var(--color-inset-highlight) inset;
}

.card,
.project-card {
  padding: clamp(1.35rem, 2.2vw, 2rem);
}

.card:hover,
.project-card:hover,
.tech-category:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent-border);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 42px;
  height: 42px;
  color: var(--color-accent);
}

.card-title,
.project-title,
.engagement-title {
  letter-spacing: -0.02em;
}

.card li:before {
  content: "—";
  color: var(--color-accent);
}

.project-card.featured {
  border: 1px solid var(--color-border-strong);
  background: linear-gradient(145deg, var(--color-surface-solid), var(--color-featured-bg));
}

.project-type {
  background: var(--color-label-bg);
  color: var(--color-label-text);
  border: 1px solid var(--color-label-border);
  border-radius: 999px;
}

.tech-tag,
.tech-item,
.engagement-duration {
  border-radius: 999px;
  background: var(--color-chip-bg);
  font-family: var(--font-sans);
}

.engagement-grid-minimal {
  position: relative;
  gap: 0;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-chip-bg);
  overflow: hidden;
}

.engagement-card-minimal {
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border-right: 1px solid var(--color-border-subtle);
}

.engagement-card-minimal:last-child {
  border-right: 0;
}

.about-content,
.contact-content {
  max-width: 880px;
  padding: clamp(1.6rem, 4vw, 3rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  box-shadow: var(--shadow-md);
}

.about-text {
  color: var(--color-text);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(1.35rem, 2.2vw, 1.9rem);
  line-height: 1.45;
  letter-spacing: -0.035em;
}

.contact-links {
  flex-wrap: wrap;
}

.contact-link {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-control-bg);
}

.contact-link:hover {
  border-color: var(--color-accent);
  background: var(--color-control-hover-bg);
  color: var(--color-primary);
}

.footer {
  background: var(--color-primary-dark);
  border-top: 0;
}

.footer-content,
.footer-content p {
  color: rgba(255, 255, 255, 0.72);
}

.footer a {
  color: rgba(255, 255, 255, 0.86);
}

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

  .hero-proof-card {
    max-width: 680px;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: clamp(2.45rem, 13vw, 3.4rem);
  }

  .hero {
    padding: 4rem 0;
  }

  .hero-stats {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .hero-ctas {
    align-items: stretch;
  }

  .cta {
    justify-content: center;
  }

  .engagement-grid-minimal {
    border-radius: var(--radius-lg);
  }

  .engagement-card-minimal {
    border-right: 0;
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .engagement-card-minimal:last-child {
    border-bottom: 0;
  }
}

/* Contrast and navigation refinements */
.logo,
.nav-links a {
  color: var(--color-text);
}

.nav-links a:not(.lang-switch) {
  opacity: 0.72;
}

.nav-links a:hover,
.logo:hover {
  color: var(--color-accent);
  opacity: 1;
}

.lang-switch {
  color: var(--color-text);
  opacity: 1;
}

.lang-switch:hover {
  color: var(--color-primary);
  border-color: var(--color-accent);
  background: var(--color-control-hover-bg);
}

/* Services card contrast fixes */
#leistungen .card,
#services .card {
  background: linear-gradient(145deg, var(--color-surface-solid) 0%, var(--color-surface-muted) 100%);
  border-color: var(--color-border-strong);
}

#leistungen .card-title,
#services .card-title {
  color: var(--color-card-text);
}

#leistungen .card-description,
#leistungen .card li,
#services .card-description,
#services .card li {
  color: var(--color-card-text-muted);
}

#leistungen .card-icon,
#services .card-icon,
#leistungen .card li:before,
#services .card li:before {
  color: var(--color-accent-text);
}

/* Global card readability fixes */
.card,
.project-card,
.engagement-card,
.tech-category,
.approach-item,
.about-content,
.contact-content,
.hero-proof-card {
  color: var(--color-card-text);
}

.card p,
.card li,
.card-value,
.card-description,
.project-description,
.engagement-description,
.engagement-includes li,
.engagement-ideal,
.tech-category p,
.approach-item p,
.contact-content p,
.hero-proof-card p,
.signature,
.tech-tag {
  color: var(--color-card-text-muted);
}

.card-title,
.project-title,
.engagement-title,
.tech-category-title,
.approach-item strong,
.hero-proof-card blockquote {
  color: var(--color-card-text);
}

.card-icon,
.card li:before,
.project-results li:before {
  color: var(--color-accent-text);
}

.section[style*="--color-background-alt"] .card,
.section[style*="--color-background-alt"] .project-card,
.section[style*="--color-background-alt"] .engagement-card,
.section[style*="--color-background-alt"] .contact-content {
  background: var(--color-surface-solid);
  border-color: var(--color-border-strong);
}

html {
  color-scheme: light dark;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    scroll-behavior: auto;
    transition-duration: 0.01ms;
  }
}