/* ============================================
   aBigBox Camper — Design System
   Palette: forest greens (build quality/nature) + rust
   accent (steel/rust of a truck frame) on canvas.
   Display: Oswald (stamped, industrial, condensed)
   Body: Source Sans 3 (clean, readable)
   Mono: IBM Plex Mono (spec-sheet / engineering feel)
   ============================================ */

:root {
  --forest-black: #16281F;
  --forest-black-2: #1C3128;
  --forest: #2F5D50;
  --forest-deep: #1F3F37;
  --canvas: #F2ECDD;
  --canvas-dim: #E7DFC9;
  --canvas-line: #D8CDAE;
  --rust: #C1602E;
  --rust-dark: #8C3B1E;
  --rust-light: #E0895C;
  --steel: #8A9A93;
  --steel-dark: #5C6D66;
  --white: #FBF9F3;
  --ink: #1B1B16;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --container: 1180px;
  --radius: 3px;
  --shadow-soft: 0 12px 32px rgba(22, 40, 31, 0.14);
  --shadow-hard: 6px 6px 0 var(--forest-black);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--canvas);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--forest-black);
  margin: 0 0 0.5em;
  line-height: 1.08;
  font-weight: 600;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); letter-spacing: 0.01em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1rem; letter-spacing: 0.08em; }

p { margin: 0 0 1.1em; }
a { color: inherit; text-decoration: none; }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--rust);
  display: flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 0.9em;
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--rust);
  display: inline-block;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

section { position: relative; }
.section-pad { padding: 96px 0; }
@media (max-width: 720px) {
  .section-pad { padding: 64px 0; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 15px 30px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:focus-visible {
  outline: 3px solid var(--rust-light);
  outline-offset: 2px;
}
.btn-rust {
  background: var(--rust);
  color: var(--white);
  box-shadow: var(--shadow-hard);
}
.btn-rust:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--forest-black); }
.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.btn-outline:hover { background: rgba(0,0,0,0.06); }
.btn-dark {
  background: var(--forest-black);
  color: var(--canvas);
  box-shadow: var(--shadow-hard);
  --shadow-hard: 6px 6px 0 var(--rust);
}
.btn-dark:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--rust); }
.btn-sm { padding: 10px 20px; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--forest-black);
  color: var(--canvas);
  border-bottom: 1px solid rgba(242, 236, 221, 0.12);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  max-width: var(--container);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand svg { height: 38px; width: auto; display: block; }
.brand-word {
  font-family: var(--font-display);
  text-transform: uppercase;
  line-height: 1;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
}
.brand-word span { display: block; }
.brand-word .sub { color: var(--rust-light); font-size: 0.62rem; letter-spacing: 0.22em; margin-top: 3px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--canvas);
  opacity: 0.78;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: opacity 0.15s, border-color 0.15s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { opacity: 1; border-color: var(--rust); }

.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(242,236,221,0.4);
  color: var(--canvas);
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--forest-black);
    padding: 18px 28px 26px;
    gap: 16px;
    border-bottom: 1px solid rgba(242,236,221,0.12);
  }
  .nav-cta .btn-sm span.long { display: none; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--forest-black);
  color: var(--canvas);
  padding: 64px 0 26px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(242,236,221,0.14);
}
@media (max-width: 780px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-grid h4 { color: var(--rust-light); margin-bottom: 1em; }
.footer-brand p { color: rgba(242,236,221,0.7); max-width: 280px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 0.6em; }
.footer-links a { color: rgba(242,236,221,0.78); font-size: 0.95rem; }
.footer-links a:hover { color: var(--rust-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: rgba(242,236,221,0.5);
  letter-spacing: 0.03em;
}

/* ---------- Cards / shared bits ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--canvas-line);
  border-radius: var(--radius);
  padding: 30px;
}
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--forest-deep);
  color: var(--canvas);
  padding: 4px 10px;
  border-radius: 2px;
}

.contour-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  z-index: 0;
}

.dark-section {
  background: var(--forest-black);
  color: var(--canvas);
}
.dark-section h2, .dark-section h3, .dark-section h4 { color: var(--white); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; gap: 40px; } }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 860px) { .grid-3 { grid-template-columns: 1fr; } }

.lede {
  font-size: 1.15rem;
  color: var(--forest-deep);
  max-width: 640px;
}

.divider {
  border: none;
  border-top: 1px solid var(--canvas-line);
  margin: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--rust);
  color: white;
  padding: 10px 16px;
  z-index: 1000;
}
.skip-link:focus { left: 10px; top: 10px; }

.mono { font-family: var(--font-mono); }

.price {
  font-family: var(--font-mono);
  font-weight: 600;
}

.badge-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Reveal-on-scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal="1"] { transition-delay: 0.05s; }
[data-reveal="2"] { transition-delay: 0.15s; }
[data-reveal="3"] { transition-delay: 0.25s; }