:root {
  --bg-color: #fbfbfd;
  --text-main: #111111;
  --text-muted: #737373;
  --text-light: #ffffff;
  --accent: #111111;
  --border-color: #e5e5e5;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 5rem;
  --spacing-xl: 10rem;
  --border-radius: 6px;
  --transition-speed: 0.4s;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-speed) ease;
}

ul {
  list-style: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text-main);
}

h1 {
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 2rem;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.8rem;
  border-radius: 40px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-speed) ease;
  cursor: pointer;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background-color: #333;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-main);
  border-bottom: 1px solid var(--text-main);
  border-radius: 0;
  padding: 0.2rem 0;
}

.btn-secondary:hover {
  color: var(--text-muted);
  border-color: var(--text-muted);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(251, 251, 253, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 100;
}

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

.logo {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.06em;
  text-transform: lowercase;
}

.logo span {
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
}

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

/* Hero */
.hero {
  padding-top: 180px;
  padding-bottom: 100px;
}

.hero-content {
  max-width: 850px;
}

.hero p {
  font-size: 1.35rem;
  max-width: 650px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 2rem;
}

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

.trust-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.trust-content p {
  color: var(--text-main);
  font-size: 1.25rem;
  max-width: none;
  margin-bottom: 1.5rem;
}

/* Services */
.services-section {
  border-top: 1px solid var(--border-color);
}

.services-list {
  display: flex;
  flex-direction: column;
  margin-top: var(--spacing-lg);
}

.service-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border-color);
  align-items: start;
}

.service-row h3 {
  margin: 0;
}

.service-row p {
  margin: 0;
  max-width: 600px;
}

/* Sample Work */
.work-section {
  background-color: #111111;
  color: #fff;
}

.work-section h2 {
  color: #fff;
}

.work-section p {
  color: #888;
}

.work-grid {
  display: flex;
  flex-direction: column;
  gap: 8rem;
  margin-top: var(--spacing-xl);
}

.work-card {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 4rem;
  align-items: center;
}

.work-card:nth-child(even) {
  grid-template-columns: 2fr 3fr;
}

.work-card:nth-child(even) .work-image {
  order: 2;
}

.work-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  background: #222;
  aspect-ratio: 16/10;
}

.work-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-info h3 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.work-info p {
  font-size: 1.1rem;
  color: #888;
}

/* Process */
.process-section {
  padding-top: var(--spacing-xl);
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: var(--spacing-lg);
}

.process-step {
  display: flex;
  gap: 1.5rem;
}

.step-number {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  padding-top: 0.3rem;
}

.step-content h3 {
  margin-bottom: 0.5rem;
}

/* CTA */
.cta-section {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.cta-section h2 {
  margin-left: auto;
  margin-right: auto;
  max-width: 600px;
}

.cta-section p {
  margin-left: auto;
  margin-right: auto;
}

/* Footer / Contact */
.footer {
  padding: var(--spacing-lg) 0 3rem 0;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: var(--spacing-lg);
}

.footer-col h3 {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.footer-col a, .footer-col p {
  font-size: 1.05rem;
  color: var(--text-main);
  display: block;
  margin-bottom: 0.75rem;
}

.footer-col a:hover {
  color: var(--text-muted);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .work-card, .work-card:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .work-card:nth-child(even) .work-image {
    order: -1;
  }
  
  .service-row {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem 0;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .trust-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .process-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    display: none;
  }
}