:root { color-scheme: light; --ink: #173454; --muted: #465a71; --paper: #f4f8fc; --white: #fff; --line: #cad8e5; --accent: #9e3d12; }
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.65 "Segoe UI", Arial, sans-serif; }
a { color: inherit; text-underline-offset: .25em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.shell { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip { position: absolute; left: 1rem; top: -100px; padding: .5rem 1rem; background: var(--white); z-index: 2; }
.skip:focus { top: 1rem; }
.header { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .45rem; font-size: 1.75rem; font-weight: 750; letter-spacing: -.07em; text-decoration: none; }
.brand-dot { width: .45rem; height: .45rem; background: var(--accent); border-radius: 50%; margin-top: .7rem; }
nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
nav a { font-size: .95rem; }
.hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(270px, 1fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; padding-block: 4rem 5rem; }
.project-name { margin: 0 0 1.25rem; color: var(--accent); font-weight: 650; }
h1 { margin: 0; font: 500 clamp(2.5rem, 5vw, 4.5rem)/1.08 Georgia, "Times New Roman", serif; letter-spacing: -.055em; }
.lead { max-width: 60ch; margin: 1.75rem 0 2rem; color: var(--muted); font-size: 1.1rem; }
.button { display: inline-block; padding: .85rem 1.4rem; background: var(--ink); color: var(--white); border-radius: .35rem; text-decoration: none; font-weight: 600; }
.button:hover { background: #244c74; }
.conversation { background: var(--white); padding: 2rem; border-radius: 1.5rem .4rem 1.5rem 1.5rem; border: 1px solid var(--line); }
.conversation-title { margin-bottom: 1.75rem; font-weight: 650; }
.channel { display: flex; gap: 1rem; align-items: center; }
.channel-mark { width: 2.9rem; height: 2.9rem; display: grid; place-items: center; flex: 0 0 auto; background: #dfecf7; border-radius: 50%; font-weight: 700; font-size: 1.25rem; }
.channel-mark.mail { background: #f8e8dd; color: var(--accent); }
.channel p { margin: .1rem 0 0; color: var(--muted); font-size: .95rem; }
.connection { width: 2px; height: 2.25rem; margin: .5rem 0 .5rem 1.4rem; background: var(--line); }
.conversation-note { margin: 1.75rem 0 0; color: var(--muted); font-size: .9rem; }
.section { border-top: 1px solid var(--line); padding-block: 2.5rem; }
h2 { margin: 0 0 1.5rem; font-size: 1.65rem; font-weight: 650; letter-spacing: -.035em; }
h3 { margin: 0 0 .6rem; font-size: 1.1rem; }
.detail-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; }
.detail-list p, .contact p { margin: 0; color: var(--muted); }
.contact { display: flex; gap: 2rem; align-items: center; justify-content: space-between; }
.email { font-size: clamp(1rem, 2vw, 1.3rem); overflow-wrap: anywhere; }
.footer { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; padding-block: 1.75rem 2.5rem; color: var(--muted); border-top: 1px solid var(--line); font-size: .9rem; }
.document { max-width: 760px; padding-block: 2rem 4rem; }
.document h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin-bottom: 1rem; }
.document h2 { font-size: 1.3rem; margin: 2rem 0 .7rem; }
.document p, .document li { color: var(--muted); }
.document ul { padding-left: 1.25rem; }
.date { font-size: .9rem; }
@media (max-width: 760px) {
  .shell { width: calc(100% - 40px); }
  .header { padding-block: 1.25rem; gap: 1rem; }
  nav { gap: .85rem; }
  .hero { grid-template-columns: 1fr; padding-block: 2.5rem 3rem; gap: 2rem; }
  .conversation { max-width: 440px; }
  .detail-list { grid-template-columns: 1fr; gap: 1.5rem; }
  .contact, .footer { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 390px) { .header { align-items: flex-start; flex-direction: column; } }