/* Black soldermask PCB theme: matte black board, ENIG gold pads, white silkscreen */
:root {
  --mask: #0b0c0d;
  --mask-2: #111314;
  --trace: #1b1f21;
  --gold: #d9ad4f;
  --gold-dim: #8c7035;
  --silk: #ecece4;
  --silk-dim: #9a9a92;
}

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

body {
  margin: 0;
  color: var(--silk);
  font: 17px/1.6 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  background-color: var(--mask);
  /* faint routed traces + vias on the mask */
  background-image:
    url("images/pcb-background.svg"),
    radial-gradient(ellipse at top, #15181a 0%, var(--mask) 60%);
}

a { color: var(--gold); }
a:hover { color: #f2cf85; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--silk);
  text-decoration: none;
}
.logo span { color: var(--gold); }

nav a {
  color: var(--silk-dim);
  text-decoration: none;
  margin-left: 20px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
}
nav a:hover { color: var(--gold); }

main, footer { max-width: 1000px; margin: 0 auto; padding: 0 24px; }

section { padding: 56px 0; position: relative; }
/* dashed silkscreen divider between sections */
section + section { border-top: 2px dashed #2a2e30; }

.hero { padding: 72px 0 64px; }

.eyebrow {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.85rem;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 20px;
  max-width: 18ch;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.5rem;
  margin: 0 0 28px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
/* reference-designator style label */
h2 small {
  display: inline-block;
  margin-right: 14px;
  padding: 1px 8px;
  border: 1.5px solid var(--silk-dim);
  color: var(--silk-dim);
  font-size: 0.7rem;
  vertical-align: middle;
  letter-spacing: 0.1em;
}

h3 { margin: 14px 0 6px; }

.lead { color: var(--silk-dim); font-size: 1.05rem; max-width: 58ch; }

/* gold pad button */
.button {
  display: inline-block;
  margin-top: 12px;
  padding: 12px 24px;
  background: linear-gradient(#e6bf6a, var(--gold));
  color: #1a1304;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
  border-radius: 4px;
  text-decoration: none;
  box-shadow: 0 0 0 3px var(--mask), 0 0 0 4px var(--gold-dim);
}
.button:hover { filter: brightness(1.1); color: #1a1304; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
  margin-bottom: 40px;
}

/* cards are component footprints: silkscreen outline + corner pads */
.card {
  position: relative;
  background: rgba(8, 9, 10, 0.85);
  border: 2px solid var(--silk-dim);
  padding: 22px 18px 52px;
  display: flex;
  flex-direction: column;
}
/* pin-1 marker + refdes */
.card::before {
  content: attr(data-ref);
  position: absolute;
  top: -11px;
  left: 14px;
  padding: 0 8px;
  background: var(--mask);
  color: var(--silk);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}
/* gold pads on the corners, each with a drilled hole */
.card::after {
  content: "";
  position: absolute;
  inset: -8px;
  pointer-events: none;
  --pad: radial-gradient(circle, var(--mask) 0 2px, var(--gold) 2.5px 6px, transparent 6.5px);
  background:
    var(--pad) 0 0 / 14px 14px no-repeat,
    var(--pad) 100% 0 / 14px 14px no-repeat,
    var(--pad) 0 100% / 14px 14px no-repeat,
    var(--pad) 100% 100% / 14px 14px no-repeat;
}
.card p { color: var(--silk-dim); margin: 0 0 14px; font-size: 0.9rem; padding-bottom:10px;}

.photo {
  aspect-ratio: 4 / 5;
  display: grid;
  place-items: center;
  background:
    linear-gradient(var(--trace) 1px, transparent 1px) 0 0 / 100% 20px,
    linear-gradient(90deg, var(--trace) 1px, transparent 1px) 0 0 / 20px 100%,
    #0e1011;
  border: 1px solid #2a2e30;
  color: var(--silk-dim);
  font-size: 0.85rem;
  overflow: hidden;
}
.photo img { width: 100%; height: 100%; object-fit: cover; }

.tag {
  color: var(--gold);
  border: 1.5px solid var(--gold);
  padding: 2px 10px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: absolute;
  bottom: 10px;
  left: 10px;
}

#about p, #contact p { max-width: 65ch; }

footer {
  padding-top: 24px;
  padding-bottom: 40px;
  border-top: 2px dashed #2a2e30;
}
.silk { color: var(--silk-dim); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; margin: 0; }