:root {
  color-scheme: light;
  --ink: #1f2523;
  --muted: #65706b;
  --paper: #f3efe6;
  --panel: #fffaf0;
  --line: #d7c8a7;
  --accent: #0e6f68;
  --accent-strong: #0a514c;
  --signal: #c4482d;
  --shadow: 0 24px 70px rgba(57, 47, 29, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(31, 37, 35, 0.04) 1px, transparent 1px) 0 0 / 42px 42px,
    linear-gradient(rgba(31, 37, 35, 0.035) 1px, transparent 1px) 0 0 / 42px 42px,
    var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
}

button,
input {
  font: inherit;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px clamp(20px, 5vw, 64px);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 2px solid var(--ink);
  background:
    linear-gradient(135deg, transparent 48%, var(--ink) 49% 53%, transparent 54%),
    var(--accent);
  box-shadow: 6px 6px 0 var(--line);
}

.topbar strong,
.topbar span {
  display: block;
}

.topbar strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.topbar span {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  margin-top: 2px;
}

.layout {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: clamp(28px, 5vw, 72px);
  align-items: end;
  min-height: 58vh;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  width: fit-content;
  margin: 0 0 22px;
  padding: 7px 11px 6px;
  border: 1px solid var(--line);
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3.6rem, 9vw, 8rem);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: 0;
}

.hero-copy > p:last-child {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.55;
}

.control-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 22px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.panel-header strong {
  color: var(--signal);
  font-weight: 700;
}

.panel-header strong.is-ready {
  color: var(--accent);
}

.facts {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
}

.facts div {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.facts dt {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 52px;
}

.content-grid article {
  min-height: 210px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.58);
  padding: 20px;
}

.card-number {
  display: block;
  color: var(--signal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

h2 {
  margin: 28px 0 12px;
  font-size: 1.35rem;
  font-weight: 600;
}

.content-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

@media (max-width: 860px) {
  .hero,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  h1 {
    max-width: 9ch;
    font-size: clamp(3.2rem, 16vw, 5.4rem);
  }

  .control-panel {
    align-self: stretch;
  }
}

@media (max-width: 520px) {
  .layout {
    width: min(100% - 28px, 1180px);
    padding-top: 18px;
  }

  .topbar {
    padding: 18px 14px;
  }

  .facts div {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}