/* Apex Transport Group — Base Styles
   Import order: tokens.css → base.css → components.css → animations.css
*/

/* ── Font Import ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700;800&family=Barlow+Condensed:wght@600;700;800&family=JetBrains+Mono:wght@500&display=swap');

/* ── Box Sizing & Reset ─────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Root defaults ──────────────────────────────────────────── */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  overflow-x: hidden;       /* Kill side-scroll at the document root */
}

/* ── Body ───────────────────────────────────────────────────── */
body {
  font-family: 'Barlow', sans-serif;
  font-weight: 400;
  font-size: var(--text-base);
  line-height: 1.625;
  color: var(--apex-charcoal);
  background-color: var(--apex-off-white);
  margin: 0;
  padding: 0;
  overflow-x: hidden;           /* Prevent side-scroll from any overflowing child */
}


/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  line-height: 1.05;
  color: var(--apex-navy);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(var(--text-4xl), 10vw, var(--text-8xl)); text-transform: uppercase; letter-spacing: -0.03em; }
h2 { font-size: clamp(var(--text-3xl), 5vw, var(--text-6xl)); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
}

small, .text-sm {
  font-size: var(--text-sm);
  line-height: 1.5;
}

.text-xs {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Links ─────────────────────────────────────────────────── */
a {
  color: var(--apex-orange);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-out);
}
a:hover {
  color: var(--apex-orange-hot);
}

/* ── Lists ─────────────────────────────────────────────────── */
ul, ol {
  list-style: none;
}

/* ── Images ────────────────────────────────────────────────── */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ── Forms ─────────────────────────────────────────────────── */
input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* ── Utilities ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container--wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
}

.container--narrow {
  width: 100%;
  max-width: var(--container-narrow);

  padding-inline: var(--container-pad);
}

/* Section spacing */
.section {
  padding-block: var(--section-pad-md);
}
.section--lg { padding-block: var(--section-pad-lg); }
.section--sm { padding-block: var(--section-pad-sm); }

/* Dark section variant */
.section--dark {
  background-color: var(--apex-navy);
  position: relative;
  isolation: isolate;
}

/* Mid-tone dark variant */
.section--mid {
  background-color: var(--apex-navy-mid);
  position: relative;
  isolation: isolate;
}

/* Light section (default body bg is off-white) */
.section--light {
  background-color: var(--apex-off-white);
}

/* Grain texture overlay on dark sections */
.section--dark::after,
.section--mid::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 180px;
  background-repeat: repeat;
}

/* Ensure content sits above grain */
.section--dark > *,
.section--mid > * {
  position: relative;
  z-index: 1;
}

/* ── Reveal base (scroll trigger) ─────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal-up { opacity: 0; transform: translateY(40px); }
.reveal-left { opacity: 0; transform: translateX(-40px); }
.reveal-right { opacity: 0; transform: translateX(40px); }

/* Stagger children — inline --stagger-index for delay */
.reveal[style*='--stagger-index'] {
  transition-delay: calc(var(--stagger-index, 0) * var(--dur-stagger-unit));
}

/* Parallax elements — GPU acceleration */
[data-parallax] {
  will-change: transform;
  /* Hint to browser: this element will be transformed via JS */
}

/* Reduced motion override */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
  }
  [data-parallax] {
    will-change: auto;
    transform: none !important;
  }
}