:root {
  --ink: #10100f;
  --paper: #f4efe5;
  --muted: #746b5f;
  --line: rgba(16, 16, 15, 0.14);
  --hot: #ff4d24;
  --acid: #d8ff3e;
  --blue: #2038ff;
  --shadow: 0 30px 80px rgba(16, 16, 15, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 77, 36, 0.28), transparent 34rem),
    linear-gradient(135deg, rgba(32, 56, 255, 0.10), transparent 30rem),
    var(--paper);
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(244, 239, 229, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: grid;
  place-items: center;
  width: 3rem;
  aspect-ratio: 1;
  border: 2px solid var(--ink);
  border-radius: 50%;
  font-weight: 900;
}

nav { display: flex; gap: clamp(1rem, 3vw, 2.5rem); font-weight: 750; }
nav a:hover { color: var(--hot); }

main { overflow: hidden; }
.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: center;
  padding: clamp(4rem, 8vw, 8rem) clamp(1rem, 4vw, 4rem);
}

.eyebrow, .mono {
  font-family: "SFMono-Regular", Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--muted);
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 11ch;
  margin-bottom: 1.5rem;
  font-size: clamp(4.2rem, 12vw, 11.5rem);
  line-height: 0.78;
  letter-spacing: -0.09em;
}

h2 { font-size: clamp(2.4rem, 6vw, 6.5rem); line-height: 0.9; letter-spacing: -0.07em; }
h3 { font-size: clamp(1.5rem, 3vw, 2.7rem); line-height: 0.95; letter-spacing: -0.05em; }
.lede { max-width: 42rem; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.45rem); line-height: 1.5; }

.actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 3.2rem;
  padding: 0 1.25rem;
  border: 2px solid var(--ink);
  border-radius: 999px;
  font-weight: 850;
  box-shadow: 5px 5px 0 var(--ink);
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.button:hover { transform: translate(4px, 4px); box-shadow: 1px 1px 0 var(--ink); }
.primary { background: var(--hot); color: white; }
.secondary { background: var(--acid); }
.tertiary { background: var(--ink); color: var(--paper); }

.hero-card {
  transform: rotate(3deg);
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 2px solid var(--ink);
  border-radius: 2rem;
  background: #fffaf0;
  box-shadow: var(--shadow), 10px 10px 0 var(--ink);
}
.hero-card strong { display: block; margin: 2rem 0; font-size: clamp(2rem, 4vw, 4rem); line-height: 0.92; letter-spacing: -0.06em; }
.meter { height: 1rem; border: 2px solid var(--ink); border-radius: 999px; overflow: hidden; background: white; }
.meter span { display: block; width: 71%; height: 100%; background: var(--blue); }
.hero-card p { margin: 1rem 0 0; color: var(--muted); }

.work, .approach, .pdf-section { padding: clamp(4rem, 8vw, 8rem) clamp(1rem, 4vw, 4rem); }
.section-heading { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: 2rem; }
.section-heading h2 { max-width: 9ch; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.tile {
  min-height: 19rem;
  padding: 1.3rem;
  border: 2px solid var(--ink);
  border-radius: 1.5rem;
  background: rgba(255,255,255,0.58);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.tile span { font-weight: 950; }
.tile p { color: var(--muted); line-height: 1.5; }
.tile.tall { grid-row: span 2; background: var(--ink); color: var(--paper); }
.tile.tall p { color: rgba(244,239,229,0.72); }
.tile.accent { background: var(--acid); }
.tile.wide { grid-column: span 2; background: var(--hot); color: white; }
.tile.wide p { color: rgba(255,255,255,0.78); }

.approach { border-block: 1px solid var(--line); background: rgba(255, 250, 240, 0.55); }
.approach h2 { max-width: 12ch; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding: 0; margin: 2rem 0 0; list-style: none; }
.steps li { padding: 1.25rem; border-left: 0.35rem solid var(--hot); background: rgba(255,255,255,0.62); }
.steps strong, .steps span { display: block; }
.steps span { margin-top: 0.75rem; color: var(--muted); line-height: 1.45; }

.pdf-section { display: grid; gap: 1.5rem; }
iframe { width: 100%; height: min(78vh, 56rem); border: 2px solid var(--ink); border-radius: 1.5rem; background: white; box-shadow: var(--shadow); }

footer { display: flex; justify-content: space-between; gap: 1rem; padding: 2rem clamp(1rem, 4vw, 4rem); border-top: 1px solid var(--line); color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 0.85rem; }
.footer-divider { width: 2px; height: 1.35rem; background: var(--line); }
.social-link { display: inline-flex; align-items: center; gap: 0.4rem; }
.social-icon { width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor; stroke-width: 2; }
footer a { font-weight: 800; color: var(--ink); }

@media (max-width: 850px) {
  .hero, .grid, .steps { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-card { transform: none; }
  .section-heading { display: block; }
  .tile.tall, .tile.wide { grid-column: auto; grid-row: auto; }
  nav { font-size: 0.9rem; }
}