:root {
  /* === COLOR TOKENS === */
  --color-bone: #ffffff;
  --color-powder: #f4f6fb;
  --color-work-blue: #1863dc;
  --color-deep-blue: #0d4eb8;
  --color-midnight: #0d1b2a;
  --color-haul-orange: #f97316;
  --color-haul-orange-deep: #ea6b0e;
  --color-iron: #1a2332;
  --color-slate: #4a5568;
  --color-mist: #e2e8f0;

  /* === TYPOGRAPHY === */
  --font-display: "Oswald", sans-serif;
  --font-body: "Open Sans", sans-serif;

  /* === SPACING === */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 48px;
  --space-2xl: 80px;
  --space-3xl: 120px;
  --section-padding-y: 80px;
  --section-padding-y-sm: 48px;

  /* === STRUCTURE === */
  --max-content-width: 1140px;
  --border-radius-btn: 4px;
  --border-radius-card: 6px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.15);

  /* === TRANSITIONS === */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* === GLOBAL BUTTON UTILITIES === */
.btn-haul-primary {
  background-color: var(--color-haul-orange);
  color: var(--color-bone);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  border: none;
  border-radius: var(--border-radius-btn);
  padding: 0.75rem 1.75rem;
  transition: background-color var(--transition-fast);
}
.btn-haul-primary:hover {
  background-color: var(--color-haul-orange-deep);
  color: var(--color-bone);
}

.btn-haul-outline {
  background-color: transparent;
  color: var(--color-bone);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 2px solid var(--color-bone);
  border-radius: var(--border-radius-btn);
  padding: 0.75rem 1.75rem;
  transition: all var(--transition-fast);
}
.btn-haul-outline:hover {
  background-color: var(--color-bone);
  color: var(--color-iron);
}

/* === SECTION UTILITIES === */
.section-dark {
  background-color: var(--color-midnight);
  color: var(--color-bone);
}
.section-blue {
  background-color: var(--color-work-blue);
  color: var(--color-bone);
}
.section-light {
  background-color: var(--color-powder);
}
.section-white {
  background-color: var(--color-bone);
}
.section-padding {
  padding: var(--section-padding-y) 0;
}

/* === KEYFRAMES (hero entrance) === */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}