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

:root {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9f9f8;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #6b6b6b;
  --color-text-tertiary: #9a9a9a;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-purple: #7F77DD;
  --color-purple-light: #E6E3F5;
  --color-purple-alt: #C8BFF5;
  --color-teal: #0F6E56;
  --color-teal-light: #9FE1CB;
  --color-coral: #993C1D;
  --color-coral-light: #F5C4B3;
  --color-accent: #F9D71C;
  --color-accent-border: #BA7517;
  --radius-md: 8px;
  --radius-lg: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--color-bg-primary);
  min-height: 100vh;
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg-primary);
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 64px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  position: relative;
  padding: 100px 48px 120px;
  overflow: hidden;
  min-height: 480px;
}

.hero-content {
  max-width: 520px;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 48px;
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  max-width: 460px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
}

/* Floating Blocks */
@keyframes float1 { 
  0%, 100% { transform: translate(0, 0) rotate(-8deg); } 
  50% { transform: translate(8px, -12px) rotate(-4deg); } 
}
@keyframes float2 { 
  0%, 100% { transform: translate(0, 0) rotate(12deg); } 
  50% { transform: translate(-10px, 8px) rotate(8deg); } 
}
@keyframes float3 { 
  0%, 100% { transform: translate(0, 0) rotate(6deg); } 
  50% { transform: translate(12px, 10px) rotate(10deg); } 
}
@keyframes float4 { 
  0%, 100% { transform: translate(0, 0) rotate(-5deg); } 
  50% { transform: translate(-8px, -8px) rotate(-10deg); } 
}
@keyframes float5 { 
  0%, 100% { transform: translate(0, 0) rotate(15deg); } 
  50% { transform: translate(6px, -6px) rotate(20deg); } 
}

.floating-blocks {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 50%;
  pointer-events: none;
  z-index: 1;
}

.block {
  position: absolute;
  border-radius: 8px;
  opacity: 0.85;
}

.block-1 {
  width: 80px;
  height: 80px;
  background: var(--color-purple-light);
  border: 1px solid var(--color-purple);
  top: 60px;
  right: 140px;
  animation: float1 6s ease-in-out infinite;
}

.block-2 {
  width: 50px;
  height: 120px;
  background: var(--color-teal-light);
  border: 1px solid var(--color-teal);
  top: 200px;
  right: 80px;
  animation: float2 7s ease-in-out infinite;
}

.block-3 {
  width: 100px;
  height: 40px;
  background: var(--color-accent);
  border: 1px solid var(--color-accent-border);
  top: 100px;
  right: 260px;
  animation: float3 5s ease-in-out infinite;
}

.block-4 {
  width: 60px;
  height: 60px;
  background: var(--color-coral-light);
  border: 1px solid var(--color-coral);
  top: 300px;
  right: 200px;
  animation: float4 8s ease-in-out infinite;
}

.block-5 {
  width: 40px;
  height: 90px;
  background: var(--color-purple-alt);
  border: 1px solid #534AB7;
  top: 180px;
  right: 320px;
  animation: float5 6.5s ease-in-out infinite;
}

.block-6 {
  width: 70px;
  height: 35px;
  background: var(--color-teal-light);
  border: 1px solid var(--color-teal);
  top: 340px;
  right: 100px;
  animation: float1 7.5s ease-in-out infinite 0.5s;
}

.block-7 {
  width: 45px;
  height: 45px;
  background: var(--color-accent);
  border: 1px solid var(--color-accent-border);
  top: 40px;
  right: 360px;
  animation: float2 5.5s ease-in-out infinite 1s;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: var(--color-text-primary);
  color: var(--color-bg-primary);
  border: none;
}

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

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

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

/* About Section */
.about {
  padding: 80px 48px;
  border-top: 1px solid var(--color-border);
}

.about-content {
  max-width: 680px;
}

.section-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-tertiary);
  margin-bottom: 24px;
}

.about h2 {
  font-size: 28px;
  font-weight: 500;
  margin-bottom: 24px;
  line-height: 1.3;
}

.about p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.about p:last-of-type {
  margin-bottom: 0;
}

/* Contact Section */
.contact {
  padding: 80px 48px;
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 28px;
  font-weight: 500;
  margin-bottom: 16px;
}

.contact-info > p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.contact-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-tertiary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--color-bg-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-text-secondary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
footer {
  padding: 32px 48px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-bg-primary);
}

footer p {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .floating-blocks {
    display: none;
  }
}

@media (max-width: 768px) {
  .logo img {
    height: 28px;
  }
}

@media (max-width: 600px) {
  nav {
    padding: 16px 24px;
  }
  
  .nav-links {
    gap: 24px;
  }
  
  .logo img {
    height: 24px;
  }
  
  .hero {
    padding: 60px 24px 50px;
  }
  
  .hero h1 {
    font-size: 32px;
  }
  
  .about,
  .contact,
  footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  
  .about {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  
  .contact {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .contact-info h2,
  .about h2 {
    font-size: 24px;
  }
}