:root {
  color-scheme: dark;
  --paper: #090909;
  --ink: #f7f1e5;
  --muted: #b8b0a4;
  --line: rgba(247, 241, 229, 0.18);
  --panel: rgba(18, 18, 17, 0.82);
  font-family: "Trebuchet MS", "Verdana", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 18px),
    linear-gradient(100deg, #160a0a 0%, #0b1012 42%, #17140a 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px) 0 0 / 96px 96px,
    linear-gradient(0deg, rgba(255,255,255,0.04) 1px, transparent 1px) 0 0 / 96px 96px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 84%);
}

.shell {
  position: relative;
  width: min(1210px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 34px 0 56px;
}

.mast {
  display: grid;
  min-height: 260px;
  align-content: end;
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 14px;
  color: #ff3b36;
  font: 900 12px/1 "Lucida Console", monospace;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

h1 {
  margin: 0;
  max-width: 980px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 112px;
  line-height: 0.88;
  letter-spacing: 0;
}

.brief {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.meter-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 20px 0;
  border: 1px solid var(--line);
}

.meter-strip div {
  min-height: 82px;
  padding: 16px;
  background: rgba(0,0,0,0.32);
  border-right: 1px solid var(--line);
}

.meter-strip div:last-child { border-right: 0; }
.meter-strip strong,
.meter-strip span { display: block; }
.meter-strip strong {
  font: 900 31px/1 Georgia, serif;
}
.meter-strip span {
  margin-top: 8px;
  color: var(--muted);
  font: 900 11px/1 "Lucida Console", monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.demo-card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 278px;
  padding: 18px;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  border: 1px solid color-mix(in srgb, var(--accent), var(--line) 68%);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent), transparent 88%), rgba(0,0,0,0.72)),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.028) 0 1px, transparent 1px 9px);
  animation: enter 460ms ease both;
  animation-delay: var(--delay);
}

.demo-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--pattern, linear-gradient(90deg, transparent, rgba(255,255,255,0.03)));
  opacity: 0.74;
  pointer-events: none;
}

.demo-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  transition: transform 160ms ease, border-color 160ms ease;
}

.mode {
  position: relative;
  z-index: 1;
  justify-self: start;
  padding: 6px 8px;
  color: #080808;
  background: var(--accent);
  font: 900 10px/1 "Lucida Console", monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.demo-card h2 {
  position: relative;
  z-index: 1;
  align-self: center;
  margin: 28px 0;
  max-width: 9ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
  line-height: 0.95;
}

.demo-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.corner {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 54px;
  height: 54px;
  border: 1px solid var(--accent);
  transform: rotate(45deg);
}

.demo-1 { --pattern: repeating-linear-gradient(0deg, transparent 0 12px, rgba(255,255,255,0.06) 12px 13px); }
.demo-2 { --pattern: linear-gradient(90deg, transparent 0 22%, rgba(66,242,180,0.12) 22% 24%, transparent 24% 100%); }
.demo-3 { --pattern: linear-gradient(45deg, transparent 0 45%, rgba(243,190,57,0.12) 45% 48%, transparent 48%); }
.demo-4 { --pattern: repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 18px); }
.demo-5 { --pattern: repeating-linear-gradient(135deg, transparent 0 18px, rgba(240,93,35,0.14) 18px 20px); }
.demo-6 { --pattern: radial-gradient(ellipse at center, transparent 0 42%, rgba(63,183,255,0.14) 43% 44%, transparent 45%); }
.demo-7 { --pattern: linear-gradient(0deg, rgba(233,255,87,0.08), transparent 38%); }
.demo-8 { --pattern: repeating-linear-gradient(90deg, transparent 0 16px, rgba(255,79,216,0.1) 16px 18px); }

@keyframes enter {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  h1 { font-size: 76px; }
  .demo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 20px, 1210px); padding-top: 20px; }
  .mast { min-height: 210px; }
  h1 { font-size: 50px; }
  .meter-strip { grid-template-columns: 1fr; }
  .meter-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .meter-strip div:last-child { border-bottom: 0; }
  .demo-grid { grid-template-columns: 1fr; }
  .demo-card p { max-width: calc(100% - 78px); }
  .corner { opacity: 0.72; }
}