:root {
  --bg: #ffffff;
  --bg-offset: #f8fafc;
  --text: #0f172a;
  --text-muted: #64748b;
  --accent: #10b981;
  --border: #e2e8f0;
  --radius: 8px;
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;
    --bg-offset: #1e293b;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
  }
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 4rem;
}

/* Header */
header {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  z-index: 50;
}

@media (prefers-color-scheme: dark) {
  header { background: rgba(15, 23, 42, 0.8); }
}

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

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
}

.logo span { color: var(--accent); }
.logo svg { flex-shrink: 0; }

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

/* Hero */
.hero {
  padding: 8rem 0 6rem;
  text-align: center;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
  line-height: 1.05;
}

.hero p {
  font-size: 1.5rem;
  color: var(--text-muted);
  max-width: 40rem;
  margin: 0 auto 3rem;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 5rem;
}

.browser-frame {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--bg-offset);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.15);
}

.browser-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0.5rem;
}

.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }

.browser-content img {
  width: 100%;
  display: block;
  background: #000;
}

/* Features */
.features {
  padding: 4rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* Sections General */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

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

.section-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
}

/* Steps Section */
.steps-section {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
  background-color: var(--bg-offset);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.step-card {
  background: var(--bg);
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.step-card:hover {
  transform: translateY(-4px);
}

.step-number {
  position: absolute;
  top: -15px;
  left: 2rem;
  width: 36px;
  height: 36px;
  background: var(--text);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  border-radius: 50%;
  font-size: 1.125rem;
}

.step-card h3 {
  font-size: 1.25rem;
  margin: 0.5rem 0 1rem;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* FAQ Section */
.faq-section {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.faq-item summary {
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  padding: 1rem 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item .faq-content {
  padding: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Content Sections */
.legal-page {
  padding: 4rem 0;
  max-width: 700px;
}

.legal-page h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.legal-content h2 { font-size: 1.5rem; margin: 3rem 0 1rem; }
.legal-content p { color: var(--text-muted); margin-bottom: 1.25rem; }

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

.footer-content {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }
  
  .hero {
    padding: 4rem 0 3rem;
  }

  .nav-content {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-links {
    gap: 1.25rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-content > .btn {
    display: none; /* Hide the 'coming soon' button on header for mobile to save space */
  }

  .section-header h2 {
    font-size: 2rem;
  }
  
  .steps-section, .faq-section, .features {
    padding: 4rem 0;
  }
  
  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
  }
}

@media (max-width: 640px) {
  .hero h1 { 
    font-size: 2.5rem; 
  }
  .hero-actions { 
    flex-direction: column; 
  }
  .browser-header {
    padding: 0.5rem;
  }
  .step-card {
    padding: 2rem 1.5rem;
  }
  .faq-item summary {
    font-size: 1rem;
  }
}