/* ============================================
   Base Styles & Typography
   ============================================ */

body {
  font-family: var(--font-body);
  font-size: var(--text-regular);
  font-weight: var(--font-regular);
  line-height: var(--line-height-normal);
  color: var(--color-white);
  background-color: var(--color-black);
  padding-top: 72px; /* Account for fixed navbar */
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--line-height-tight);
  color: var(--color-white);
}

h1 {
  font-size: var(--text-h1);
}

h2 {
  font-size: var(--text-h2);
}

h3 {
  font-size: var(--text-h3);
}

p {
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-light);
}

/* Utility Classes */
.text-primary {
  color: var(--color-primary);
}

.text-center {
  text-align: center;
}

.text-large {
  font-size: var(--text-large);
}

.text-small {
  font-size: var(--text-small);
}

/* Visibility Utility Classes */
.mobile-only-text {
  display: none;
}

.desktop-only-text {
  display: inline;
}

@media (max-width: 1023px) {
  .mobile-only-text {
    display: inline;
  }
  
  .desktop-only-text {
    display: none;
  }
}

/* Skip to Main Content Link (Accessibility) */
.skip-to-main {
  position: absolute;
  top: -100px;
  left: 0;
  z-index: var(--z-tooltip);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-medium);
  transition: top var(--transition-fast);
}

.skip-to-main:focus {
  top: 0;
}

/* Tagline Style */
.tagline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: var(--font-medium);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--page-padding);
}

/* Section Spacing */
section {
  padding: var(--space-3xl) var(--page-padding);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

section.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* First section (hero) should be visible immediately */
section:first-of-type {
  opacity: 1;
  transform: translateY(0);
}

/* Gradient Text Effect */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, #6b9dff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}