/* ============================================================
   base.css — reset, layout, typography, components
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-deep);
  color: var(--lichen);
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-feature-settings: "kern", "liga", "onum" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

body {
  /* faint radial vignette — deep forest floor */
  background:
    radial-gradient(ellipse at 50% -10%,
      color-mix(in oklab, var(--moss) 25%, transparent) 0%,
      transparent 60%),
    radial-gradient(ellipse at 50% 120%,
      color-mix(in oklab, var(--bark) 35%, transparent) 0%,
      transparent 55%),
    var(--bg-deep);
  position: relative;
  overflow-x: hidden;
}

/* scanline overlay — site-wide, behind nothing important */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(127, 255, 212, 0.025) 2px,
    rgba(127, 255, 212, 0.025) 3px
  );
  mix-blend-mode: screen;
  opacity: .55;
}
@media (prefers-reduced-motion: reduce) {
  body::before { opacity: .3; }
}

/* film grain — extremely subtle */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: .04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.5  0 0 0 0 0.5  0 0 0 0 0.5  0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

::selection { background: var(--biolum); color: var(--bg-deep); }

a {
  color: var(--biolum);
  text-decoration: none;
  border-bottom: 1px dashed color-mix(in oklab, var(--biolum) 50%, transparent);
  transition: color var(--t-fast), border-color var(--t-fast), text-shadow var(--t-fast);
}
a:hover, a:focus-visible {
  border-bottom-style: solid;
  text-shadow: var(--glow-biolum);
  outline: none;
}

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 350;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  color: var(--lichen);
  letter-spacing: var(--tracking-display);
  line-height: var(--lh-tight);
  margin: 0 0 .4em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); font-weight: 400; }
h3 { font-size: var(--fs-h3); font-weight: 500; color: var(--lichen-dim); }

p { margin: 0 0 1em; max-width: 62ch; }

code, kbd, samp, .mono {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  letter-spacing: var(--tracking-mono);
}

kbd {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--moss);
  border-bottom-width: 2px;
  border-radius: 3px;
  background: var(--bg-panel);
  color: var(--amber);
  font-size: 11px;
  line-height: 1.4;
  text-transform: uppercase;
}

/* ------------ layout ------------ */
.page {
  position: relative;
  z-index: 1;
  padding: 64px var(--gutter) 96px;
  min-height: 100vh;
}

.section {
  padding-block: clamp(56px, 9vw, 128px);
  border-top: var(--rule-dim);
  position: relative;
}
.section:first-of-type { border-top: 0; }

.section__head {
  display: grid;
  grid-template-columns: 18ch 1fr;
  gap: var(--gutter);
  align-items: baseline;
  margin-bottom: 32px;
}
.section__label {
  font-family: var(--ff-mono);
  font-size: var(--fs-hud);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--amber);
  text-shadow: var(--glow-amber);
}
.section__title {
  margin: 0;
}

@media (max-width: 720px) {
  .section__head {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* ------------ hero ------------ */
.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 0;
  margin: 0 calc(var(--gutter) * -1);
  padding: 64px var(--gutter) 48px;
  isolation: isolate;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  display: block;
}
.hero__inner {
  align-self: end;
  max-width: 1200px;
}
.hero__eyebrow {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  letter-spacing: var(--tracking-mono);
  color: var(--amber);
  text-transform: uppercase;
  margin: 0 0 14px;
  display: inline-flex;
  gap: 14px;
  align-items: center;
}
.hero__eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--biolum);
  box-shadow: var(--glow-biolum);
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: .55; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.15); }
}

.hero__name {
  font-family: var(--ff-display);
  font-size: var(--fs-display);
  font-weight: 350;
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 1;
  line-height: .88;
  letter-spacing: -0.02em;
  color: var(--lichen);
  margin: 0 0 24px;
}
.hero__name em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  color: var(--biolum);
  text-shadow: var(--glow-biolum);
}
.hero__tag {
  font-family: var(--ff-mono);
  font-size: 14px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--lichen-dim);
  margin: 0;
}
.hero__tag .sep { color: var(--moss); margin: 0 .6em; }

/* ------------ panel cards ------------ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 32px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px 24px 24px;
  background: var(--bg-panel);
  clip-path: var(--bevel);
  border: 0;
  color: inherit;
  text-decoration: none;
  min-height: 200px;
  transition: background var(--t-med), transform var(--t-fast);
  overflow: hidden;
}
.card::before {
  /* faux border drawn inside the bevel */
  content: "";
  position: absolute;
  inset: 0;
  clip-path: var(--bevel);
  padding: 1px;
  background: var(--moss-dim);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  transition: background var(--t-med);
}
.card:hover, .card:focus-visible {
  background: var(--bg-panel-2);
  transform: translateY(-2px);
  outline: none;
}
.card:hover::before, .card:focus-visible::before {
  background: var(--biolum-soft);
}
.card__num {
  font-family: var(--ff-mono);
  font-size: var(--fs-hud);
  letter-spacing: var(--tracking-mono);
  color: var(--amber);
  text-shadow: var(--glow-amber);
}
.card__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: 28px;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  line-height: 1;
  color: var(--lichen);
  margin: 0;
}
.card__desc {
  font-size: 14px;
  color: var(--lichen-dim);
  margin: 0;
  line-height: 1.45;
}
.card__arrow {
  margin-top: auto;
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--biolum);
  letter-spacing: var(--tracking-mono);
  align-self: flex-end;
  transition: transform var(--t-fast), text-shadow var(--t-fast);
}
.card:hover .card__arrow, .card:focus-visible .card__arrow {
  transform: translateX(4px);
  text-shadow: var(--glow-biolum);
}

/* waveform tick under card on hover */
.card__wave {
  position: absolute;
  left: 24px; right: 24px;
  bottom: 14px;
  height: 12px;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-med);
}
.card:hover .card__wave,
.card:focus-visible .card__wave { opacity: .9; }
.card__wave path {
  stroke: var(--biolum);
  stroke-width: 1.2;
  fill: none;
  filter: drop-shadow(0 0 4px var(--biolum));
  stroke-dasharray: 220;
  stroke-dashoffset: 220;
  transition: stroke-dashoffset var(--t-slow);
}
.card:hover .card__wave path,
.card:focus-visible .card__wave path { stroke-dashoffset: 0; }

/* ------------ contact / footer ------------ */
.contact {
  display: grid;
  grid-template-columns: 18ch 1fr;
  gap: var(--gutter);
  align-items: start;
}
.contact ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.contact .mono { color: var(--lichen-dim); }

/* ------------ utility ------------ */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.hidden, .print-only { display: none !important; }

/* focus visibility on everything */
:focus-visible {
  outline: 2px solid var(--biolum);
  outline-offset: 2px;
}