:root {
  --ink: #101010;
  --muted: #5e5e58;
  --paper: #f4f0e6;
  --cream: #fffaf0;
  --line: #1b1b1b;
  --red: #d63f2f;
  --blue: #174ea6;
  --acid: #d7ff4f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 78px; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(16,16,16,.035) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--paper);
  font-family: Georgia, "Times New Roman", serif;
}
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-decoration-color: var(--red); text-underline-offset: .18em; }
nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .7rem;
  padding: .8rem clamp(.8rem, 4vw, 3rem);
  border-bottom: 2px solid var(--line);
  background: rgba(244,240,230,.92);
  backdrop-filter: blur(12px);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .72rem;
  font-weight: 900;
  flex-wrap: wrap;
}
nav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: .55rem .75rem;
  border: 1px solid var(--line);
  background: var(--cream);
  text-decoration: none;
}
nav .brand {
  margin-right: auto;
  background: var(--line);
  color: var(--cream);
}
nav .brand:hover { color: var(--cream); }
nav a:first-child::before { content: none; }
.hero {
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  overflow: hidden;
}
.hero-grid {
  min-height: calc(100vh - 46px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: stretch;
  padding: clamp(1.2rem, 4vw, 3rem);
}
.hero-grid section {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 2px solid var(--line);
  background: var(--cream);
  padding: clamp(1.2rem, 4vw, 3rem);
}
.eyebrow {
  margin: 0 0 1rem;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--red);
  font-size: .72rem;
  font-weight: 900;
}
h1 {
  max-width: 9ch;
  margin: 0;
  font-size: clamp(3.7rem, 11vw, 10rem);
  line-height: .82;
  letter-spacing: 0;
  font-weight: 900;
}
.intro {
  max-width: 760px;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.65;
}
.motion-board {
  position: relative;
  min-height: 580px;
  border: 2px solid var(--line);
  background:
    radial-gradient(circle at 72% 22%, var(--acid) 0 14%, transparent 15%),
    linear-gradient(135deg, var(--blue), #111 58%);
  overflow: hidden;
}
.motion-board::before {
  content: "FRAME 06";
  position: absolute;
  left: 1.4rem;
  bottom: 1.2rem;
  color: white;
  font: 900 clamp(2rem, 6vw, 5rem)/.9 Inter, sans-serif;
}
.motion-board span {
  position: absolute;
  border: 2px solid #fff;
  border-radius: 0;
  animation: drift 9s infinite alternate ease-in-out;
}
.motion-board span:nth-child(1) { width: 45%; height: 22%; left: 13%; top: 13%; background: var(--red); }
.motion-board span:nth-child(2) { width: 28%; height: 38%; right: 13%; top: 24%; background: #fff; animation-delay: -2s; }
.motion-board span:nth-child(3) { width: 52%; height: 16%; left: 18%; bottom: 24%; background: var(--acid); animation-delay: -4s; }
.motion-board span:nth-child(4) { width: 17%; height: 17%; right: 22%; bottom: 12%; background: transparent; animation-delay: -6s; }
@keyframes drift { to { transform: translate(24px, -18px) rotate(-6deg); } }
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem clamp(1rem, 4vw, 3rem);
}
.section-head {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  align-items: end;
  padding-bottom: 1rem;
  border-bottom: 4px solid var(--line);
}
h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 5.6rem);
  line-height: .9;
  letter-spacing: 0;
}
.ranking {
  counter-reset: item;
}
.rank-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: 1.35rem;
  border: 2px solid var(--line);
  background: var(--cream);
  margin: 1rem 0;
}
.rank {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 2px solid var(--line);
  background: var(--acid);
  font: 900 2.1rem/.9 Inter, ui-sans-serif, system-ui, sans-serif;
  color: var(--blue);
  margin-bottom: .65rem;
}
.rank-card h3 {
  margin: 0 0 .4rem;
  font-size: clamp(1.5rem, 3vw, 2.6rem);
  line-height: 1;
}
.rank-card h3 a { text-decoration: none; }
.rank-card h3 a:hover { text-decoration: underline; text-decoration-color: var(--red); }
.rank-card p {
  max-width: 850px;
  margin: .25rem 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.72;
}
.tag {
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: .9rem !important;
  font-weight: 900;
  color: var(--ink) !important;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.method, .notes {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  margin-top: 4rem;
  padding-top: 1.8rem;
  border-top: 4px solid var(--line);
}
.method p, .notes p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}
code { background: #e6ddc8; padding: .12rem .35rem; }
@media (max-width: 820px) {
  nav { position: static; justify-content: flex-start; }
  nav .brand { margin-right: 0; flex-basis: 100%; }
  nav a { flex: 1 1 auto; justify-content: center; min-width: min(100%, 140px); }
  .hero-grid, .section-head, .method, .notes { grid-template-columns: 1fr; }
  .motion-board { min-height: 340px; }
  h1 { font-size: clamp(3rem, 16vw, 4.2rem); }
  .rank-card { grid-template-columns: 64px 1fr; }
}
@media (max-width: 520px) {
  main { padding-inline: .85rem; }
  .rank-card { grid-template-columns: 1fr; gap: .5rem; }
}