:root {
  color-scheme: dark;
  --panel: rgba(10, 15, 30, 0.72);
  --panel-strong: rgba(15, 23, 42, 0.92);
  --line: rgba(255, 255, 255, 0.09);
  --text: #ecf3ff;
  --muted: #9aa7bd;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(124, 58, 237, 0.18), transparent 26%),
    radial-gradient(circle at 80% 18%, rgba(34, 211, 238, 0.18), transparent 24%),
    linear-gradient(180deg, #060814 0%, #050816 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 28%, transparent 95%);
}

.shell {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(12px, 2.2vw, 24px);
}

.hero {
  width: min(1300px, 100%);
  min-height: calc(100svh - clamp(24px, 4vw, 48px));
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(16px, 2vw, 28px);
  align-items: center;
}

.copy,
.artifact-window {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.copy {
  border-radius: 28px;
  padding: clamp(22px, 2.8vw, 36px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.72);
  color: #d9e4ff;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.eyebrow span,
.lede,
.micro-copy,
.mock-side li,
.prompt-card p {
  color: var(--muted);
}

h1 {
  margin: 18px 0 14px;
  max-width: 10ch;
  font-size: clamp(34px, 4.6vw, 62px);
  line-height: 0.97;
  letter-spacing: -0.05em;
}

.lede {
  margin: 0;
  max-width: 30rem;
  font-size: clamp(16px, 1.1vw, 20px);
  line-height: 1.45;
}

.promise-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 12px;
}

.promise-row span,
.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.02em;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(10, 15, 30, 0.9);
}

.micro-copy {
  margin: 0;
  max-width: 28rem;
  font-size: 13px;
  line-height: 1.45;
}

.mini-title,
.prompt-label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #dfe8fb;
}

.artifact-window {
  border-radius: 28px;
  padding: 16px;
}

.window-bar {
  display: flex;
  gap: 8px;
  padding: 4px 4px 12px;
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}

.prompt-card,
.mock,
.mock-side {
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
}

.prompt-card {
  margin-bottom: 12px;
  padding: 16px 18px;
}

.prompt-card p {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.45;
}

.prompt-card code {
  color: var(--text);
  font-family: "SFMono-Regular", SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

.output-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 12px;
}

.mock {
  padding: 14px;
}

.mock-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.pill.ghost {
  color: #9fe8f3;
}

.mock svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}

.mock-side {
  padding: 16px;
}

.mini-title {
  margin-bottom: 10px;
}

.mock-side ul {
  margin: 0;
  padding-left: 16px;
  display: grid;
  gap: 10px;
}

.mock-side li {
  line-height: 1.45;
  font-size: 13px;
}

@media (max-width: 1180px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  h1 {
    max-width: 11ch;
  }
}

@media (max-width: 780px) {
  body {
    overflow: hidden;
  }

  .shell {
    padding: 14px;
  }

  .hero {
    gap: 14px;
    min-height: calc(100svh - 28px);
  }

  .copy,
  .artifact-window {
    border-radius: 22px;
    padding: 18px;
  }

  h1 {
    margin-top: 14px;
    font-size: clamp(30px, 10vw, 48px);
    max-width: none;
  }

  .lede {
    font-size: 15px;
  }

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

  .prompt-card,
  .mock,
  .mock-side {
    border-radius: 18px;
  }

  .artifact {
    display: none;
  }
}