:root {
  --ink: #182019;
  --paper: #f5f3ec;
  --accent: #e96442;
  --line: #cfcfc5;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", Arial, sans-serif;
}

.page { max-width: 1080px; min-height: 100vh; margin: auto; padding: 28px 48px 22px; }

.nav { display: flex; align-items: center; justify-content: space-between; }
.brand, .contact-link { color: inherit; text-decoration: none; }
.brand { font: 500 18px/1 Consolas, monospace; letter-spacing: .05em; }
.brand span, h1 span { color: var(--accent); }
.contact-link { font: 500 12px/1 Consolas, monospace; letter-spacing: .08em; border-bottom: 1px solid var(--ink); padding-bottom: 4px; }

.hero { padding: clamp(90px, 16vw, 176px) 0 clamp(75px, 12vw, 130px); }
.eyebrow, .label, footer { font: 500 11px/1.45 Consolas, monospace; letter-spacing: .09em; }
.eyebrow, .label { margin: 0; color: #5a625b; }
h1 { margin: 20px 0 22px; font-size: clamp(62px, 11vw, 124px); line-height: .92; letter-spacing: -.085em; }
.intro { margin: 0; font-size: clamp(21px, 3vw, 30px); font-weight: 500; letter-spacing: -.045em; }
.affiliation { margin: 17px 0 0; color: #576057; font-size: 15px; }

.details { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.detail-card { min-height: 205px; padding: 24px 0; }
.detail-card + .detail-card { border-left: 1px solid var(--line); padding-left: 32px; }
.value { margin: 24px 0 0; font-size: 22px; font-weight: 500; line-height: 1.5; letter-spacing: -.035em; }
.class-name { max-width: 230px; }

.contact { padding: 27px 0 44px; border-top: 1px solid var(--line); }
.email, .github { display: block; width: fit-content; color: inherit; font-size: clamp(19px, 2.6vw, 27px); font-weight: 500; letter-spacing: -.045em; text-decoration: none; }
.email { margin-top: 23px; }
.github { margin-top: 8px; }
.email span, .github span { color: var(--accent); font-family: Arial, sans-serif; font-size: .8em; }
.email:hover, .github:hover { color: var(--accent); }
footer { border-top: 1px solid var(--line); padding-top: 18px; color: #687068; font-size: 10px; }

@media (max-width: 600px) {
  .page { padding: 23px 23px 18px; }
  .hero { padding-top: 100px; }
  .details { grid-template-columns: 1fr; }
  .detail-card { min-height: auto; padding: 24px 0 30px; }
  .detail-card + .detail-card { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .value { margin-top: 15px; }
}