/* LP Lab - Design System */
:root {
  --lp-forest: #11443b;
  --lp-forest-darker: #0a2e28;
  --lp-forest-hover: #0d362f;
  --lp-sage: #cbdd97;
  --lp-sage-soft: #e5eec5;
  --lp-sage-dim: #f2f6e4;
  --lp-paper: #fafaf7;
  --lp-cream: #f5f2ea;
  --lp-ink: #111111;
  --lp-ink-soft: #3a3a3a;
  --lp-ink-mute: #6b6b6b;
  --lp-line: #e3e1da;
  --lp-line-soft: #ececec;
  --lp-warn: #bf5700;
}

* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--lp-ink);
  background: var(--lp-paper);
  font-feature-settings: "ss01", "cv11";
}

.font-display {
  font-family: 'Fraunces', 'Times New Roman', serif;
  font-optical-sizing: auto;
  font-variation-settings: "SOFT" 30, "WONK" 0, "opsz" 144;
  letter-spacing: -0.02em;
}
.font-display-wonk {
  font-family: 'Fraunces', serif;
  font-variation-settings: "SOFT" 100, "WONK" 1, "opsz" 144;
}
.font-mono { font-family: 'IBM Plex Mono', ui-monospace, monospace; }

/* Subtle grain overlay (aged paper vibe) */
.grain::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Hairline borders */
.hair { border: 1px solid var(--lp-line); }
.hair-b { border-bottom: 1px solid var(--lp-line); }
.hair-t { border-top: 1px solid var(--lp-line); }
.hair-r { border-right: 1px solid var(--lp-line); }
.hair-l { border-left: 1px solid var(--lp-line); }

/* Tag/label (mono, uppercase, tracked) */
.label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.4rem;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: all 180ms cubic-bezier(0.3, 0, 0.2, 1);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: var(--lp-forest);
  color: var(--lp-sage-soft);
}
.btn-primary:hover {
  background: var(--lp-forest-darker);
  transform: translateY(-1px);
}
.btn-primary .arrow { transition: transform 220ms; }
.btn-primary:hover .arrow { transform: translateX(3px); }

.btn-ghost {
  background: transparent;
  color: var(--lp-forest);
  border-color: var(--lp-forest);
}
.btn-ghost:hover {
  background: var(--lp-forest);
  color: var(--lp-sage-soft);
}

.btn-quiet {
  background: transparent;
  color: var(--lp-ink);
  border-color: var(--lp-line);
}
.btn-quiet:hover {
  background: var(--lp-ink);
  color: var(--lp-paper);
  border-color: var(--lp-ink);
}

/* Link with understroke animation */
.linkline {
  position: relative;
  color: var(--lp-forest);
  text-decoration: none;
  padding-bottom: 2px;
}
.linkline::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform-origin: right;
  transform: scaleX(1);
  transition: transform 360ms cubic-bezier(0.3, 0, 0.2, 1);
}
.linkline:hover::after {
  transform-origin: left;
  transform: scaleX(0);
  transition-delay: 0s;
  animation: slidethrough 700ms cubic-bezier(0.3, 0, 0.2, 1) forwards;
}
@keyframes slidethrough {
  0% { transform-origin: right; transform: scaleX(1); }
  50% { transform-origin: right; transform: scaleX(0); }
  50.01% { transform-origin: left; transform: scaleX(0); }
  100% { transform-origin: left; transform: scaleX(1); }
}

/* Card base */
.card {
  background: white;
  border: 1px solid var(--lp-line);
  transition: all 240ms cubic-bezier(0.3, 0, 0.2, 1);
}
.card:hover {
  border-color: var(--lp-forest);
  transform: translateY(-2px);
}

/* Reveal animation on load */
@keyframes reveal {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  animation: reveal 720ms cubic-bezier(0.22, 1, 0.36, 1) both;
}
.d-1 { animation-delay: 80ms; }
.d-2 { animation-delay: 160ms; }
.d-3 { animation-delay: 240ms; }
.d-4 { animation-delay: 320ms; }
.d-5 { animation-delay: 400ms; }
.d-6 { animation-delay: 480ms; }

/* Decorative vertical ticker */
.tick {
  height: 8px;
  width: 1px;
  background: var(--lp-ink-mute);
  display: inline-block;
  margin: 0 6px;
  vertical-align: middle;
  opacity: 0.4;
}

/* Category icon frame */
.icon-frame {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--lp-line);
  color: var(--lp-forest);
  transition: all 240ms ease;
}
.category-card:hover .icon-frame {
  background: var(--lp-forest);
  color: var(--lp-sage);
  border-color: var(--lp-forest);
}

/* Marquee / infinite scroll */
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee-track { animation: marquee 60s linear infinite; }

/* Subtle inner shadow for inputs */
.input-field {
  width: 100%;
  padding: 0.95rem 1rem;
  background: white;
  border: 1px solid var(--lp-line);
  color: var(--lp-ink);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.input-field:focus {
  outline: none;
  border-color: var(--lp-forest);
  box-shadow: 0 0 0 3px var(--lp-sage-soft);
}
.input-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--lp-ink-mute);
  margin-bottom: 0.4rem;
  display: block;
}

/* Spec table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
}
.spec-table tr { border-bottom: 1px solid var(--lp-line); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table th, .spec-table td { padding: 0.9rem 0; text-align: left; vertical-align: top; }
.spec-table th { color: var(--lp-ink-mute); font-weight: 500; width: 40%; text-transform: uppercase; letter-spacing: 0.1em; font-size: 11px; }
.spec-table td { color: var(--lp-ink); }

/* Utility: thin divider with label */
.rule {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--lp-ink-mute);
}
.rule::before, .rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--lp-line);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(250, 250, 247, 0.85);
  border-bottom: 1px solid var(--lp-line);
}

/* Focus ring global */
:focus-visible {
  outline: 2px solid var(--lp-forest);
  outline-offset: 3px;
}

/* Category card hover stripe */
.category-card {
  position: relative;
  overflow: hidden;
  background: white;
  transition: all 280ms cubic-bezier(0.22, 1, 0.36, 1);
}
.category-card::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--lp-forest);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}
.category-card:hover::after { transform: scaleX(1); }
.category-card:hover { background: var(--lp-paper); }

/* Numbers block big */
.bignum {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144;
  line-height: 0.9;
  letter-spacing: -0.04em;
}

/* Soft background block */
.forest-bg {
  background: var(--lp-forest);
  color: var(--lp-sage-soft);
}
.forest-bg .muted { color: var(--lp-sage); opacity: 0.8; }
.sage-bg { background: var(--lp-sage-dim); }
.cream-bg { background: var(--lp-cream); }