:root { color-scheme: light; --paper: #f5f5f0; --ink: #232b28; --muted: #515e57; --accent: #275c46; --line: #cbd2ca; }
* { box-sizing: border-box; }
html { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--paper); color: var(--ink); }
body { margin: 0; }
a { color: inherit; text-underline-offset: .25em; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; border-radius: 2px; }
.skip-link { position: absolute; left: 1rem; top: -5rem; padding: .75rem; background: white; z-index: 1; }
.skip-link:focus { top: 1rem; }
.page { max-width: 1180px; margin: auto; padding: 0 48px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.identity { display: inline-flex; align-items: center; gap: 16px; text-decoration: none; font-weight: 600; font-size: .95rem; }
.identity img { display: block; width: 64px; height: 64px; }
.header-contact { font-size: .9rem; }
main { padding: 72px 0 64px; }
.eyebrow { font-size: .75rem; text-transform: uppercase; letter-spacing: .14em; color: var(--accent); font-weight: 650; margin: 0 0 32px; }
h1 { font-size: clamp(1.1rem, 2vw, 1.4rem); line-height: 1.25; font-weight: 500; letter-spacing: -.02em; margin: 0; }
h1 > span { display: block; font-size: clamp(3rem, 7.5vw, 6rem); line-height: 1.03; font-weight: 650; letter-spacing: -.055em; margin-top: 16px; }
.introduction { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 48px; }
.lead { font-size: clamp(1.4rem, 2.5vw, 1.85rem); line-height: 1.4; letter-spacing: -.025em; margin: 0; max-width: 23ch; }
.detail { color: var(--muted); font-size: 1rem; line-height: 1.8; max-width: 55ch; }
.detail p { margin: 0 0 16px; }
.contact { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.contact p { margin: 0; font-size: 1.1rem; }
.contact nav { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; }
.contact a { display: inline-flex; gap: 8px; align-items: center; min-height: 44px; font-size: .95rem; }
.social-icon { flex-shrink: 0; fill: currentColor; }
.email { font-weight: 650; color: var(--accent); }
footer { padding: 24px 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; font-size: .75rem; line-height: 1.6; color: var(--muted); }
@media (max-width: 680px) {
  .page { padding: 0 24px; }
  .site-header { padding: 20px 0; gap: 16px; }
  .identity { gap: 10px; font-size: .8rem; }
  .identity img { width: 48px; height: 48px; }
  .header-contact { font-size: .8rem; }
  main { padding: 48px 0; }
  .eyebrow { font-size: .65rem; letter-spacing: .1em; margin-bottom: 28px; }
  .introduction { grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }
  .lead { max-width: 28ch; }
  .contact { align-items: flex-start; flex-direction: column; gap: 12px; margin-top: 24px; }
  .contact nav { gap: 24px; }
  footer { flex-direction: column; gap: 4px; }
}
@media (prefers-reduced-motion: no-preference) { a { transition: color .15s ease; } }