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

:root {
  --primary: #0D7377;
  --primary-dark: #095456;
  --secondary: #FF6B6B;
  --secondary-dark: #e55a5a;
  --background: #FAFAFA;
  --text: #1A1A1A;
  --text-light: #666666;
  --white: #FFFFFF;
  --border: #E5E5E5;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Archivo', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.logo img {
  width: 40px;
  height: 40px;
}

.logo span {
  font-size: 20px;
  font-weight: 700;
}

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

.nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.cta-button {
  background: var(--primary);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: 6px;
  transition: background 0.2s ease !important;
}

.cta-button:hover {
  background: var(--primary-dark);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
}

.hero {
  background: var(--white);
  padding: 80px 24px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text);
}

.hero-content p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 32px;
}

.cta-button-large {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--primary);
  color: var(--white);
  text-decoration: none;
  padding: 16px 28px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  transition: background 0.2s ease;
}

.cta-button-large:hover {
  background: var(--primary-dark);
}

.cta-button-large svg {
  width: 24px;
  height: 24px;
}

.hero-video {
  aspect-ratio: 16 / 9;
  background: var(--background);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--text-light);
}

.video-placeholder svg {
  width: 64px;
  height: 64px;
  color: var(--primary);
}

.video-placeholder span {
  font-size: 16px;
  font-weight: 500;
}

.features {
  padding: 80px 24px;
  background: var(--background);
}

.features h2,
.how-it-works h2,
.cta-section h2 {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  padding: 32px 24px;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--background);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

.how-it-works {
  padding: 80px 24px;
  background: var(--white);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
}

.step {
  flex: 1;
  max-width: 280px;
  text-align: center;
}

.step-number {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
}

.step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--text-light);
}

.step-connector {
  width: 80px;
  height: 2px;
  background: var(--border);
  margin-top: 28px;
}

.cta-section {
  padding: 80px 24px;
  background: var(--primary);
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  margin-bottom: 32px;
}

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

.cta-section .cta-button-large:hover {
  background: var(--background);
}

.footer {
  padding: 32px 24px;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

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

.divider {
  color: var(--text-light);
}

.copyright {
  font-size: 14px;
  color: var(--text-light);
}

.copyright a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

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

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .nav.active {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 48px 24px;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-content p {
    font-size: 16px;
  }

  .features {
    padding: 48px 24px;
  }

  .features h2,
  .how-it-works h2 {
    font-size: 28px;
    margin-bottom: 32px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .how-it-works {
    padding: 48px 24px;
  }

  .steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .step-connector {
    width: 2px;
    height: 40px;
    margin: 0;
  }

  .cta-section {
    padding: 48px 24px;
  }

  .cta-section h2 {
    font-size: 28px;
  }

  .cta-section p {
    font-size: 16px;
  }
}