/* CSS Variables */
:root {
  --color-primary: #FF8400;
  --color-primary-light: #FFF3E0;
  --color-background: #FAFAFA;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F2F3F0;
  --color-text-primary: #111111;
  --color-text-secondary: #444444;
  --color-text-muted: #666666;
  --color-text-light: #888888;
  --color-border: #E5E5E5;
  --color-border-alt: #CBCCC9;
  --color-dark-bg: #111111;
  --color-dark-surface: #1A1A1A;
  --color-dark-border: #333333;
  --color-footer-bg: #0A0A0A;

  --font-display: 'JetBrains Mono', monospace;
  --font-body: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1440px;
  --content-padding: 80px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--content-padding);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.lang-toggle {
  display: flex;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}

.lang-btn {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  padding: 8px 16px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 999px;
}

.lang-btn.active {
  background-color: var(--color-text-primary);
  color: var(--color-surface);
  font-weight: 600;
}

/* Hero Section */
.hero {
  background-color: var(--color-surface);
  padding: 120px var(--content-padding);
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.hero-tagline {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 8px 16px;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text-primary);
}

.hero-subheadline {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 700px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  padding-top: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background-color: #e67700;
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-alt);
  font-weight: 500;
}

.btn-secondary:hover {
  background-color: var(--color-surface-alt);
}

/* About Section */
.about {
  background-color: var(--color-surface-alt);
  padding: 100px var(--content-padding);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--color-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

.section-title.light {
  color: var(--color-surface);
}

.about-text {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 700px;
}

.divider {
  width: 60px;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* Services Section */
.services {
  background-color: var(--color-surface);
  padding: 100px var(--content-padding);
}

.services-header {
  max-width: 700px;
  margin: 0 auto 64px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.services-subtitle {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text-muted);
}

.services-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.services-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-card-featured {
  background-color: var(--color-dark-bg);
  border-color: var(--color-dark-border);
}

.service-card-featured .service-title {
  color: var(--color-surface);
}

.service-card-featured .service-desc {
  color: #AAAAAA;
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.service-icon-featured {
  background-color: var(--color-primary);
}

.service-icon-featured svg {
  color: var(--color-dark-bg);
}

.service-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.service-desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* How We Help Section */
.how-we-help {
  background-color: var(--color-dark-bg);
  padding: 100px var(--content-padding);
}

.help-header {
  max-width: 800px;
  margin: 0 auto 64px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.help-subtitle {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text-light);
}

.help-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.help-item {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.help-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.help-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.help-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-surface);
}

.help-desc {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* Footer */
.footer {
  background-color: var(--color-footer-bg);
  padding: 64px var(--content-padding);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-surface);
}

.footer-tagline {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.footer-link {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-light);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--color-surface);
}

.footer-divider {
  max-width: 1280px;
  margin: 32px auto;
  height: 1px;
  background-color: #222222;
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.copyright {
  font-size: 13px;
  font-weight: 400;
  color: #555555;
}

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --content-padding: 48px;
  }

  .hero-headline {
    font-size: 44px;
  }

  .section-title {
    font-size: 32px;
  }

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

  .help-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --content-padding: 24px;
  }

  .header-content {
    padding: 0 24px;
  }

  .nav {
    gap: 24px;
  }

  .nav-link {
    display: none;
  }

  .hero {
    padding: 80px var(--content-padding);
  }

  .hero-headline {
    font-size: 36px;
  }

  .hero-subheadline {
    font-size: 18px;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .section-title {
    font-size: 28px;
  }

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

  .services-column {
    gap: 16px;
  }

  .help-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-content {
    flex-direction: column;
    gap: 32px;
    text-align: center;
  }

  .footer-left {
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 28px;
  }

  .section-title {
    font-size: 24px;
  }

  .lang-btn {
    padding: 6px 12px;
    font-size: 11px;
  }
}