@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-primary: #0a0a0a;
  --color-secondary: #171717;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-text: #0a0a0a;
  --color-text-secondary: #525252;
  --color-text-light: #737373;
  --color-border: #e5e5e5;
  --color-bg: #ffffff;
  --color-bg-alt: #fafafa;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max-width: 1200px;
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

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

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.container--narrow {
  max-width: 800px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  gap: 2.5rem;
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
}

/* Hero */
.hero {
  padding: 10rem 0 6rem;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 900px;
  margin-bottom: 1.5rem;
}

.hero .lead {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 6px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

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

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

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  border-color: var(--color-primary);
}

/* Sections */
section {
  padding: 6rem 0;
}

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

.section-header {
  margin-bottom: 4rem;
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.portfolio-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  transition: all var(--transition);
}

.portfolio-card:hover {
  border-color: var(--color-text-light);
  transform: translateY(-2px);
}

.portfolio-card__logo {
  height: 32px;
  margin-bottom: 1.5rem;
  object-fit: contain;
}

.portfolio-card__name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.portfolio-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.portfolio-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  background: var(--color-bg-alt);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 3rem;
}

.team-member {
  text-align: center;
}

.team-member__photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1.5rem;
  background: var(--color-bg-alt);
}

.team-member__name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.team-member__role {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.team-member__bio {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Page Header */
.page-header {
  padding: 10rem 0 4rem;
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-header .lead {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* Content */
.content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 3rem 0 1.5rem;
  letter-spacing: -0.02em;
}

.content h2:first-child {
  margin-top: 0;
}

.content p {
  margin-bottom: 1.5rem;
}

.content ul, .content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.content li {
  margin-bottom: 0.5rem;
}

/* Featured */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.featured-item {
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.featured-item__number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

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

/* CTA Section */
.cta-section {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 6rem 0;
}

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta-section p {
  font-size: 1.125rem;
  opacity: 0.8;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn--primary {
  background: #fff;
  color: var(--color-primary);
}

.cta-section .btn--primary:hover {
  background: var(--color-bg-alt);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 4rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .site-logo {
  margin-bottom: 1rem;
  display: block;
}

.footer-brand p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.footer-nav {
  display: flex;
  gap: 4rem;
}

.footer-nav-group h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-nav-group ul {
  list-style: none;
}

.footer-nav-group li {
  margin-bottom: 0.5rem;
}

.footer-nav-group a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

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

.footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin: 3rem 0;
}

.pricing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2.5rem;
  position: relative;
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.375rem 1rem;
  border-radius: 20px;
}

.pricing-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-card__subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.pricing-card__price {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.pricing-card__price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.pricing-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.pricing-card__features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-card__features li {
  padding: 0.5rem 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-card__features li:last-child {
  border-bottom: none;
}

.pricing-card__features li::before {
  content: "✓";
  color: #22c55e;
  font-weight: 600;
}

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

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9375rem;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

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

.comparison-table td:first-child {
  font-weight: 500;
}

.comparison-table tr:hover {
  background: var(--color-bg-alt);
}

.comparison-table .highlight {
  background: rgba(37, 99, 235, 0.05);
}

/* Service Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.feature-item {
  padding: 1.5rem;
  background: var(--color-bg-alt);
  border-radius: 8px;
}

.feature-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-item p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Two Column Layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.two-col--reverse {
  direction: rtl;
}

.two-col--reverse > * {
  direction: ltr;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 8rem 0 4rem;
    min-height: auto;
  }

  section {
    padding: 4rem 0;
  }

  .site-nav {
    display: none;
  }

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

  .footer-content {
    flex-direction: column;
  }

  .footer-nav {
    flex-direction: column;
    gap: 2rem;
  }

  .page-header {
    padding: 8rem 0 3rem;
  }

  .page-header h1 {
    font-size: 2.25rem;
  }

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

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

  .two-col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .comparison-table {
    font-size: 0.875rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.75rem 1rem;
  }
}