/* Solderless - a white breadboard on a dark bench */

:root {
  --bench: #16181b;
  --board: #f3f1ea;
  --hole: #b9b5aa;
  --rail-red: #d8423a;
  --rail-blue: #2f6fd6;
  --text: #ece9e2;
  --dim: #8f969d;
  --line: #2b3035;
  --accent: #ffcf4a;

  --heading: "Space Grotesk", "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  background: var(--bench);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--accent); }

main, .footer {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ------------------------------------------------------------------ masthead: a breadboard */

.masthead {
  position: relative;
  max-width: 1000px;
  margin: 40px auto 0;
  padding: 0 16px;
}

.board {
  position: relative;
  height: 300px;
  border-radius: 10px;
  background: var(--board);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

/* power rails along the top and bottom */
.board::before,
.board::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  height: 26px;
  border-top: 2px solid var(--rail-red);
  border-bottom: 2px solid var(--rail-blue);
}

.board::before { top: 10px; }
.board::after { bottom: 10px; }

.hole {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 1.5px;
  background: var(--hole);
}

.part {
  position: absolute;
  border-radius: 4px;
}

.wire {
  position: absolute;
  height: 4px;
  border-radius: 2px;
  transform-origin: 0 50%;
}

.led-glow {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  animation: blink 2.2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 0.35; box-shadow: 0 0 4px currentColor; }
  50% { opacity: 1; box-shadow: 0 0 22px 6px currentColor; }
}

.masthead-text {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 14px 28px;
  border-radius: 10px;
  background: rgba(22, 24, 27, 0.92);
  text-align: center;
}

h1 {
  margin: 0;
  font-family: var(--heading);
  font-size: clamp(42px, 9vw, 84px);
  line-height: 1;
}

.subtitle { margin: 6px 0 0; color: var(--dim); }

.status {
  display: inline-block;
  margin: 10px 0 0;
  padding: 2px 10px;
  border: 1px solid var(--accent);
  border-radius: 99px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ------------------------------------------------------------------ content */

section { padding: 34px 0; }

.lead { font-family: var(--heading); font-size: 22px; line-height: 1.45; }

h2 { margin: 0 0 14px; font-family: var(--heading); font-size: 28px; }
h3 { margin: 0 0 6px; font-family: var(--heading); font-size: 18px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.cards > * { min-width: 0; }

.card {
  background: #1d2024;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
}

.card p { margin: 0; color: #cfd2d4; font-size: 15px; }

.plan { padding-left: 22px; }
.plan li { margin-bottom: 6px; }

.small { color: var(--dim); font-size: 14px; }

.footer {
  padding: 30px 16px 46px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.credit { font-family: var(--heading); font-size: 18px; }
.studio img { max-width: 100%; height: auto; }

@media (max-width: 600px) {
  .board { height: 240px; }
  .masthead-text { padding: 10px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .led-glow { animation: none; opacity: 1; }
}