/* Base */
body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  line-height: 1.65;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--space-6); }
}

/* Overline */
.overline {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.overline--gold  { color: var(--color-accent); }
.overline--red   { color: var(--color-danger); }
.overline--white { color: var(--color-text-primary); }

/* Headings */
h1, h2, h3, h4 {
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--color-text-primary);
}
h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; }
h3 { font-size: var(--text-2xl); font-weight: 700; line-height: 1.25; }
h4 { font-size: var(--text-xl); font-weight: 600; line-height: 1.25; }

/* Lead */
.lead {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 600px;
}

/* CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  border: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}
.btn--primary {
  background: var(--color-cta);
  color: var(--color-cta-text);
  width: 100%;
  font-weight: 700;
  letter-spacing: 0.04em;
}
@media (min-width: 768px) {
  .btn--primary { width: 420px; }
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--color-cta) 40%, transparent);
}
.btn--primary:active { transform: translateY(0); }
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Section rhythm */
.section { padding: 3rem 0; }
@media (min-width: 1024px) { .section { padding: 5rem 0; } }

/* Section header */
.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .testimonial__card,
  .pain__card,
  .modules__card {
    transition: none;
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  background: var(--color-accent);
  color: #0a0a0b;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 9999;
}
.skip-link:focus {
  position: fixed;
  left: var(--space-4);
  top: var(--space-2);
  width: auto;
  height: auto;
  overflow: visible;
}

/* Cursor pointer on all clickables */
a, button, [role="button"] { cursor: pointer; }