/* Apex Airmotive — design tokens */
:root {
  --green: #003817;
  --green-ink: #00260F;
  --green-deep: #001A0B;
  --green-hi: #0B4E25;
  --silver: #BBBBBB;
  --silver-soft: #D9D9D9;
  --silver-ink: #6B6B6B;
  --bone: #F6F3EC;
  --bone-ink: #EDE7DA;
  --white: #FFFFFF;
  --ink: #111111;
  --ink-2: #2A2A2A;
  --ink-mute: #5A5A5A;

  --sans: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* density — overridden by tweaks */
  --dens: 1;
  --space-1: calc(8px * var(--dens));
  --space-2: calc(12px * var(--dens));
  --space-3: calc(16px * var(--dens));
  --space-4: calc(24px * var(--dens));
  --space-5: calc(32px * var(--dens));
  --space-6: calc(48px * var(--dens));
  --space-7: calc(64px * var(--dens));
  --space-8: calc(96px * var(--dens));
  --space-9: calc(128px * var(--dens));
}

* { box-sizing: border-box; }

.apex-site {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.apex-site h1, .apex-site h2, .apex-site h3, .apex-site h4 {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0;
  text-wrap: balance;
}
.apex-site p { margin: 0; text-wrap: pretty; }
.apex-site a { color: inherit; text-decoration: none; }
.apex-site button { font-family: inherit; cursor: pointer; }

.mono { font-family: var(--mono); font-weight: 500; letter-spacing: 0.02em; }
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* Buttons — CTA style variants switched via --cta-style data attr */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  border-radius: 0;
  transition: all 180ms ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-arrow { transition: transform 180ms ease; display: inline-block; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* Solid */
[data-cta="solid"] .btn-primary {
  background: var(--green); color: var(--white); border-color: var(--green);
}
[data-cta="solid"] .btn-primary:hover { background: var(--green-ink); border-color: var(--green-ink); }
[data-cta="solid"] .btn-primary.on-green {
  background: var(--white); color: var(--green); border-color: var(--white);
}
[data-cta="solid"] .btn-primary.on-green:hover { background: var(--bone); color: var(--green-ink); }

/* Outline */
[data-cta="outline"] .btn-primary {
  background: transparent; color: var(--green); border-color: var(--green);
}
[data-cta="outline"] .btn-primary:hover { background: var(--green); color: var(--white); }
[data-cta="outline"] .btn-primary.on-green {
  background: transparent; color: var(--white); border-color: var(--white);
}
[data-cta="outline"] .btn-primary.on-green:hover { background: var(--white); color: var(--green); }

/* Underline (editorial link-style) */
[data-cta="underline"] .btn-primary {
  background: transparent; color: var(--green); border: none;
  padding: 6px 0; border-bottom: 2px solid var(--green);
  text-transform: uppercase; letter-spacing: 0.1em;
}
[data-cta="underline"] .btn-primary:hover { padding-bottom: 8px; }
[data-cta="underline"] .btn-primary.on-green {
  color: var(--white); border-bottom-color: var(--white);
}

.btn-ghost {
  background: transparent; color: inherit; border-color: transparent;
}
.btn-ghost:hover { color: var(--green); }
.btn-ghost.on-green:hover { color: var(--silver); }

/* Hex pattern — SVG background for hero, always drifting */
@keyframes apex-hex-drift {
  0% { background-position: 0 0; }
  100% { background-position: -96px -84px; }
}
.hex-pattern {
  position: absolute; inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='96' height='84' viewBox='0 0 96 84'><g fill='none' stroke='%23ffffff' stroke-width='1' stroke-opacity='0.08'><path d='M24 0 L48 14 L48 42 L24 56 L0 42 L0 14 Z'/><path d='M72 0 L96 14 L96 42 L72 56 L48 42 L48 14 Z'/><path d='M48 42 L72 56 L72 84 L48 98 L24 84 L24 56 Z'/></g></svg>");
  background-size: 96px 84px;
  animation: apex-hex-drift 24s linear infinite;
}
.hex-pattern.dark { filter: invert(1) opacity(0.5); }

/* Form */
.field {
  display: flex; flex-direction: column; gap: 6px;
}
.field label {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute);
}
.field input, .field select, .field textarea {
  font-family: var(--sans); font-size: 15px; color: var(--ink);
  background: var(--white);
  border: none;
  border-bottom: 1.5px solid var(--silver);
  padding: 10px 0 10px;
  transition: border-color 150ms ease;
  border-radius: 0;
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-bottom-color: var(--green);
}
.field.error input, .field.error select, .field.error textarea { border-bottom-color: #C0392B; }
.field .err {
  font-family: var(--mono); font-size: 10px; color: #C0392B;
  letter-spacing: 0.1em; text-transform: uppercase;
}

/* on dark/green bg variant */
.on-green .field label { color: rgba(255,255,255,0.65); }
.on-green .field input, .on-green .field select, .on-green .field textarea {
  background: transparent; color: var(--white);
  border-bottom-color: rgba(255,255,255,0.25);
}
.on-green .field input::placeholder { color: rgba(255,255,255,0.35); }
.on-green .field input:focus, .on-green .field select:focus {
  border-bottom-color: var(--white);
}

/* Scrollbar in artboards — tidy */
.artboard-scroll::-webkit-scrollbar { width: 10px; height: 10px; }
.artboard-scroll::-webkit-scrollbar-track { background: transparent; }
.artboard-scroll::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 10px; }
.artboard-scroll::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.28); }

/* Counters */
.counter { font-family: var(--sans); font-weight: 700; letter-spacing: -0.04em; }

/* Divider */
.rule { height: 1px; background: var(--silver); width: 100%; border: none; }
.rule.thin { background: var(--silver-soft); }
.rule.dark { background: rgba(255,255,255,0.18); }

/* Noise / grain — used on immersive hero */
.grain::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.35 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.35; mix-blend-mode: overlay;
}