/* Base Styles - Typography, Layout, Resets */

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section Spacing */
section {
  margin-bottom: 6rem;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.12;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-weight: 600;
}

.lead-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-body);
  max-width: 48rem;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 8rem 2rem 6rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 79px, var(--text-body) 79px, var(--text-body) 80px),
    repeating-linear-gradient(90deg, transparent, transparent 79px, var(--text-body) 79px, var(--text-body) 80px);
  opacity: 0.02;
  pointer-events: none;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 42.5rem;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 0.875rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.25rem;
}

/* Problem & Solution Sections */
.problem-section,
.solution-section {
  text-align: center;
  max-width: 50rem;
  margin-left: auto;
  margin-right: auto;
}

.problem-section h2,
.solution-section h2 {
  margin-bottom: 1rem;
}

.problem-section .lead-text,
.solution-section .lead-text {
  margin: 0 auto;
}

/* Examples Section */
.examples-section {
  margin-top: 6rem;
}

.examples-section h2 {
  text-align: center;
  margin-bottom: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.125rem;
  }

  .lead-text {
    font-size: 1rem;
  }

  .hero {
    padding: 5rem 1.5rem 4rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .container {
    padding: 0 1.5rem;
  }
}