/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f9fafb;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-sm);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-md);
  text-align: center;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: var(--space-sm);
}

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-xl) 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  text-align: center;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero h1 {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.subheadline {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto var(--space-md);
}

.credibility {
  margin-top: var(--space-md);
  color: var(--text-light);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* Services Section */
.services {
  background: var(--bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.service-card {
  background: var(--bg);
  padding: var(--space-md);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
  color: var(--primary);
}

.service-card .proof {
  font-size: 0.9rem;
  color: var(--text-light);
  font-style: italic;
  margin-bottom: 0;
}

/* Results Section */
.results {
  background: var(--bg);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  text-align: center;
}

.metric {
  padding: var(--space-md);
}

.metric-value {
  display: block;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--primary);
}

.metric-label {
  display: block;
  color: var(--text-light);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.metric-detail {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.75rem;
  font-style: italic;
  max-width: 250px;
  margin-left: auto;
  margin-right: auto;
}

/* About Section */
.about {
  background: var(--bg-alt);
}

.about-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.about-photo img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
}

.photo-placeholder {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.5rem;
  font-weight: 700;
}

.about p {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.1rem;
}

/* CTA Section */
.cta {
  background: var(--text);
  color: var(--bg);
  text-align: center;
}

.cta h2 {
  color: var(--bg);
}

.cta p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto var(--space-md);
}

.availability {
  margin-top: var(--space-md);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Footer */
footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-md) 0;
  text-align: center;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-links .divider {
  color: rgba(255, 255, 255, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
  section {
    padding: var(--space-lg) 0;
  }

  .hero {
    min-height: 70vh;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}