:root {
  --ink: #0d0d0d;
  --paper: #f7f7f2;
  --signal: #10a37f;
  --line: rgba(13, 13, 13, 0.2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Geist", Arial, sans-serif; }
a { color: inherit; }
main { min-height: 100vh; padding: 0 2.25rem; display: flex; flex-direction: column; }
.nav { height: 5.5rem; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.045em; text-decoration: none; }
.profile-link { font-family: "Geist Mono", monospace; font-size: 0.75rem; text-decoration: none; transition: opacity 180ms ease; }
.profile-link:hover { opacity: 0.55; }
.hero { flex: 1; padding: clamp(3rem, 7vw, 7.5rem) 0 4rem; }
.eyebrow { display: flex; align-items: center; gap: 0.6rem; margin-bottom: clamp(2.5rem, 5vw, 5rem); font-family: "Geist Mono", monospace; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }
.pulse { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 rgba(16, 163, 127, 0.45); animation: ping 2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(16, 163, 127, 0.4); } 70% { box-shadow: 0 0 0 0.6rem rgba(16, 163, 127, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 163, 127, 0); } }
h1 { max-width: 1400px; margin: 0; font-size: clamp(3rem, 8.8vw, 9.5rem); font-weight: 400; line-height: 0.9; letter-spacing: -0.075em; }
h1 em { color: var(--signal); font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -0.06em; }
.portrait-row { display: grid; grid-template-columns: minmax(150px, 19rem) minmax(220px, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: end; width: min(760px, 100%); margin: clamp(3rem, 7vw, 7rem) 0 0 auto; }
.portrait-wrap { margin: 0; aspect-ratio: 1; overflow: hidden; background: #deded8; }
.portrait { width: 100%; height: 100%; display: block; object-fit: cover; filter: grayscale(100%); transition: filter 250ms ease, transform 500ms ease; }
.portrait-wrap:hover .portrait { filter: grayscale(0%); transform: scale(1.025); }
.answer { min-height: 9rem; padding-top: 1rem; display: flex; flex-direction: column; justify-content: space-between; border-top: 1px solid var(--ink); }
.answer-label, .answer-note { font-family: "Geist Mono", monospace; font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.07em; }
.answer strong { font-size: clamp(2rem, 5vw, 4.75rem); line-height: 1; font-weight: 500; letter-spacing: -0.07em; }
.answer-note { color: rgba(13, 13, 13, 0.52); }
footer { padding: 1.25rem 0 1.5rem; display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); font-family: "Geist Mono", monospace; font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.05em; }
footer p { margin: 0; }

@media (max-width: 700px) {
  main { padding: 0 1.15rem; }
  .nav { height: 4.5rem; }
  .hero { padding-top: 2.75rem; }
  h1 { font-size: clamp(3rem, 15vw, 5.5rem); line-height: 0.92; }
  .portrait-row { grid-template-columns: 42% 1fr; margin-top: 4rem; }
  .answer { min-height: 100%; }
  footer { flex-direction: column; line-height: 1.45; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .pulse { animation: none; }
  .portrait { transition: none; }
}
