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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* ==========================================
   Typography & Accents
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-secondary);
  font-weight: 800;
  line-height: 1.1;
  transition: color var(--transition-smooth);
}

p {
  color: var(--text-primary);
  font-weight: 400;
  transition: color var(--transition-smooth);
}

/* Custom Serif Italic Accents (Figma: Source Serif Italic) */
.serif-italic-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  color: var(--color-accent);
  transition: color var(--transition-smooth);
}

/* ==========================================
   Global Layout Containers
   ========================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

@media (max-width: 768px) {
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

.section {
  position: relative;
  width: 100%;
}

/* ==========================================
   Parallax Structural Classes
   ========================================== */
.parallax-viewport {
  position: relative;
  overflow: hidden;
  width: 100%;
}

.parallax-layer {
  position: absolute;
  top: -10%;
  left: 0;
  width: 100%;
  height: 130%; /* Oversized height to allow scrolling within bounds */
  object-fit: cover;
  pointer-events: none;
  z-index: 1;
  filter: var(--img-filter);
  opacity: var(--img-opacity);
  will-change: transform;
  transition: filter var(--transition-smooth), opacity var(--transition-smooth);
}

.parallax-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

/* ==========================================
   Reveal Animations (Scroll Triggered)
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .parallax-layer {
    transform: none !important;
    top: 0;
    height: 100%;
  }
}

/* ==========================================
   Utility Classes
   ========================================== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.grid {
  display: grid;
  gap: var(--space-lg);
}

.uppercase {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.w-full { width: 100%; }
.h-full { height: 100%; }

.section-gap {
  margin-bottom: 248px;
}

@media (max-width: 768px) {
  .section-gap {
    margin-bottom: 124px;
  }
}