:root {
  /* -- Colors -- */
  --color-primary: #ea580c; /* Tailwind orange-600 */
  --color-primary-light: #f97316; /* Tailwind orange-500 */
  --color-primary-dark: #c2410c; /* Tailwind orange-700 */
  
  --color-bg: #f8fafc; /* Tailwind slate-50 */
  --color-bg-alt: #0f172a; /* Tailwind slate-900 */
  
  --color-text: #1e293b; /* Tailwind slate-800 */
  --color-text-muted: #64748b; /* Tailwind slate-500 */
  --color-border: #e2e8f0; /* Tailwind slate-200 */

  /* -- Typography -- */
  --font-heading: 'Montserrat', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* -- Layout -- */
  --max-width: 1280px;

  /* ── Standard Tokens (auto-injected) ── */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --radius-default: 4px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* -- Animations -- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* -- Scroll Reveal -- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 100ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 200ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 300ms; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 400ms; }
[data-reveal-stagger].is-visible > * { opacity: 1; transform: translateY(0); }

/* -- Navigation Structure -- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background-color: rgba(15, 23, 42, 0.95); /* slate-900 */
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 9999;
  background-color: #0f172a;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  display: flex;
  flex-direction: column;
  padding-top: 5rem;
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* -- Icons -- */
.icon {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  vertical-align: -0.15em;
  flex-shrink: 0;
}
.icon.hidden { display: none; }
.icon-sm { width: 1em; height: 1em; }
.icon-lg { width: 1.5em; height: 1.5em; }
.icon-xl { width: 2em; height: 2em; }

/* -- Forms -- */
/* Ensure inputs inherit Tailwind styling properly when generated by JS */
input[type="text"], input[type="email"], input[type="number"], input[type="tel"], textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  background-color: #fff;
  color: var(--color-text);
  font-family: var(--font-body);
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}body { margin: 0; }

.mobile-menu-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: inherit;
  padding: 0.5rem;
  line-height: 1;
  z-index: 1;
}