:root {
  --wood-178: #dfc295;
  --bg: #d5b688;
  --panel: rgba(236, 210, 168, 0.9);
  --line: rgba(122, 87, 51, 0.3);
  --text: #000000;
  --accent: #4a6aa3;
  --accent-soft: #9db6de;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", sans-serif;
  color: var(--text);
  background:
  radial-gradient(circle at 16% 18%, rgba(255, 246, 231, 0.45), transparent 35%),
  radial-gradient(circle at 85% 75%, rgba(74, 106, 163, 0.16), transparent 42%),
  linear-gradient(135deg, #e4c99f, var(--wood-178) 50%, #c9a06f 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
  linear-gradient(rgba(120,80,45,0.05) 1px, transparent 1px),
  linear-gradient(90deg, rgba(120,80,45,0.05) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.45;
}

.wrap {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 28px 0 44px;
}

.topbar {
  margin-bottom: 24px;
}

.logo {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 18px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  backdrop-filter: blur(4px);
}

.copy {
  padding: clamp(22px, 4vw, 34px);
}

.eyebrow {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 1rem;
  margin-bottom: 10px;
}

h1 {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.sub {
  margin-top: 14px;
  line-height: 1.7;
  font-size: clamp(0.95rem, 1.5vw, 1.06rem);
  max-width: 56ch;
}

.cta {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  color: #000000;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.95rem;
  background: rgba(248, 230, 198, 0.72);
}

.btn.main {
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
}

.machine {
  position: relative;
  min-height: 355px;
  padding: 14px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.printer-frame {
  width: min(360px, 90%);
  height: 300px;
  border-radius: 14px;
  border: 2px solid rgba(58, 50, 43, 0.55);
  background: linear-gradient(160deg, rgba(24, 30, 40, 0.85), rgba(17, 22, 29, 0.95));
  position: relative;
  overflow: hidden;
}

.printer-head {
  position: absolute;
  top: 20%;
  left: 18%;
  width: 18px;
  height: 24px;
  border-radius: 4px;
  background: #d8e2f5;
  animation: headMove 3.8s ease-in-out infinite;
  box-shadow: 0 0 14px rgba(157, 182, 222, 0.55);
}

.printer-head::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  width: 2px;
  height: 26px;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, rgba(157, 182, 222, 0.8), rgba(157, 182, 222, 0));
}

.print-bed {
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: 16%;
  height: 20px;
  border-radius: 4px;
  border: 1px solid rgba(157, 182, 222, 0.6);
  background: rgba(157, 182, 222, 0.18);
}

.print-object {
  position: absolute;
  left: 50%;
  bottom: 20%;
  transform: translateX(-50%);
  width: 84px;
  height: 68px;
  border-radius: 10px 10px 4px 4px;
  border: 1px solid rgba(157, 182, 222, 0.75);
  background:
  repeating-linear-gradient(
  to top,
  rgba(157, 182, 222, 0.42) 0 4px,
  rgba(157, 182, 222, 0.2) 4px 8px
  );
  animation: partRise 3.8s ease-in-out infinite;
}

.sections {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.card {
  padding: 16px;
}

.card h2 {
  margin: 0 0 8px;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1.08rem;
}

.card p {
  margin: 0;
  line-height: 1.65;
  font-size: 0.95rem;
}

.portfolio {
  margin-top: 14px;
  padding: 16px;
}

.portfolio h2 {
  margin: 0 0 10px;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1.2rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.portfolio-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: rgba(248, 230, 198, 0.42);
}

.portfolio-item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.portfolio-item p {
  margin: 0;
  line-height: 1.55;
  font-size: 0.9rem;
}

@keyframes headMove {
  0%, 100% {
    left: 18%;
    top: 20%;
  }

  25% {
    left: 76%;
    top: 20%;
  }

  50% {
    left: 74%;
    top: 38%;
  }

  75% {
    left: 24%;
    top: 38%;
  }

}

@keyframes partRise {
  0%, 100% {
    height: 50px;
  }

  50% {
    height: 70px;
  }

}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .sections {
    grid-template-columns: 1fr 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr 1fr;
  }

}

@media (max-width: 640px) {
  .wrap {
    width: min(94vw, 1120px);
  }

  .sections {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .cta .btn {
    width: 100%;
    text-align: center;
  }

}