:root {
  --dragon-black0: #0d0c0c;
  --dragon-black2: #1d1c19;
  --dragon-black3: #181616;
  --dragon-black5: #393836;
  --dragon-white: #c5c9c5;
  --dragon-gray: #a6a69c;
  --dragon-red: #c4746e;
  --dragon-yellow: #c4b28a;
  --dragon-blue2: #8ba4b0;
  --dragon-aqua: #8ea4a2;
  --wave-blue1: #223249;
  --wave-blue2: #2d4f67;
  --old-white: #c8c093;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: "Lucida Roman EF Mono", "Lucida Console", monospace;
  color: var(--dragon-white);
  background: var(--dragon-black3);
}

main {
  width: min(1140px, 92vw);
  height: 100dvh;
  margin: 0 auto;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 1.5rem;
  padding: 2rem 0 1.2rem;
}

.hero {
  min-height: 0;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1.2rem, 4vw, 3rem);
  align-items: center;
}

.copy h1 {
  margin: 0;
  color: var(--old-white);
  letter-spacing: 0.03em;
  font-weight: 700;
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 1.04;
}

.copy h2 {
  margin: 1rem 0 1.5rem;
  max-width: 40ch;
  color: var(--dragon-gray);
  font-size: clamp(1rem, 1.9vw, 1.35rem);
  font-weight: 400;
  line-height: 1.4;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dragon-yellow);
  border-radius: 999px;
  padding: 0.7rem 1.1rem;
  color: var(--dragon-yellow);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all 180ms ease;
  background: rgba(196, 178, 138, 0.05);
}

.cta:hover {
  color: var(--dragon-black0);
  background: var(--dragon-yellow);
}

.demo {
  align-self: stretch;
  min-height: 0;
  display: grid;
  place-items: center;
}

.terminal {
  width: min(100%, 520px);
  aspect-ratio: 16 / 10;
  border: 1px solid var(--dragon-black5);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(141, 164, 162, 0.1), transparent 24%),
    rgba(13, 12, 12, 0.7);
  box-shadow:
    inset 0 0 0 1px rgba(139, 164, 176, 0.16),
    0 20px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  position: relative;
}

.terminal-head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(57, 56, 54, 0.75);
  background: rgba(34, 50, 73, 0.35);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.dot:nth-child(1) {
  background: var(--dragon-red);
}

.dot:nth-child(2) {
  background: var(--dragon-yellow);
}

.dot:nth-child(3) {
  background: var(--dragon-aqua);
}

.terminal-body {
  padding: 1rem;
  display: grid;
  gap: 0.55rem;
}

.line {
  height: 9px;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--dragon-blue2), var(--wave-blue2));
  opacity: 0.8;
}

.line:nth-child(2) {
  width: 78%;
}

.line:nth-child(3) {
  width: 62%;
}

.line:nth-child(4) {
  width: 85%;
}

.line:nth-child(5) {
  width: 56%;
}

.line:nth-child(6) {
  width: 90%;
}

.line:nth-child(7) {
  width: 67%;
}

.placeholder-panel {
  width: min(100%, 520px);
  border: 1px solid var(--dragon-black5);
  border-radius: 16px;
  padding: 2rem 1.3rem;
  color: var(--dragon-gray);
  text-align: center;
  background: rgba(13, 12, 12, 0.5);
}

footer {
  border-top: 1px solid rgba(106, 149, 137, 0.26);
  padding-top: 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--dragon-gray);
  text-decoration: none;
  font-size: 1.08rem;
}

.footer-links a:hover {
  color: var(--dragon-white);
}

.icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
  display: inline-block;
}

.github-lockup {
  height: 18px;
  width: auto;
  display: inline-block;
}

@media (max-width: 860px) {
  main {
    padding: 1.2rem 0 0.9rem;
  }

  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    align-items: start;
  }

  .copy h1 {
    font-size: clamp(1.7rem, 8vw, 2.4rem);
  }

  .copy h2 {
    margin-bottom: 1rem;
    font-size: clamp(0.95rem, 4.2vw, 1.1rem);
  }

  .demo {
    align-items: start;
  }

  .terminal,
  .placeholder-panel {
    width: min(100%, 440px);
  }
}