:root {
  --ink: #17251f;
  --paper: #f4f1e9;
  --accent: #e85730;
  --muted: #637069;
  --line: rgba(23, 37, 31, .19);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, "Noto Sans KR", sans-serif; }
a { color: inherit; }
.page { max-width: 1440px; margin: auto; overflow: hidden; }
.nav { height: 92px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(24px, 6vw, 88px); border-bottom: 1px solid var(--line); }
.wordmark { font-size: 21px; font-weight: 800; letter-spacing: -.08em; text-decoration: none; }
.wordmark span, .period { color: var(--accent); }
.nav-link, .scroll, .github { font-size: 11px; letter-spacing: .11em; font-weight: 700; text-decoration: none; }
.hero { min-height: 650px; padding: clamp(55px, 9vw, 130px) clamp(24px, 6vw, 88px) 42px; display: flex; flex-direction: column; border-bottom: 1px solid var(--line); }
.eyebrow, .section-number, .label { margin: 0; color: var(--muted); font-size: 11px; letter-spacing: .13em; font-weight: 700; }
h1 { margin: 18px 0 auto; font-size: clamp(72px, 13.7vw, 196px); line-height: .82; letter-spacing: -.095em; font-weight: 800; }
.intro { margin: 38px 0; font-family: Georgia, "Noto Serif KR", serif; font-size: clamp(20px, 2.15vw, 31px); letter-spacing: -.06em; }
.hero-bottom { display: flex; align-items: end; justify-content: space-between; font-size: 13px; line-height: 1.55; }
.scroll span { font-size: 19px; margin-left: 8px; color: var(--accent); }
.section, .footer { display: grid; grid-template-columns: minmax(145px, 24%) 1fr; padding: clamp(48px, 7.5vw, 110px) clamp(24px, 6vw, 88px); border-bottom: 1px solid var(--line); }
.section-content { min-width: 0; }
h2 { margin: 0; font-size: clamp(32px, 5vw, 68px); letter-spacing: -.075em; line-height: .98; }
.about-detail { display: grid; grid-template-columns: 1fr 1.55fr; gap: 35px; margin-top: clamp(48px, 8vw, 110px); font-size: 14px; line-height: 1.75; }
.about-detail p { margin: 0; }
.interest-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--ink); }
.interest-list li { display: grid; grid-template-columns: 13% 1fr auto; align-items: baseline; padding: 21px 0; border-bottom: 1px solid var(--line); font-size: clamp(25px, 3.5vw, 48px); letter-spacing: -.065em; font-weight: 700; }
.interest-list span { color: var(--accent); font-size: 11px; letter-spacing: 0; }
.interest-list em { color: var(--muted); font-style: normal; font-size: 11px; letter-spacing: .05em; font-weight: 400; }
.study { background: var(--ink); color: var(--paper); border-bottom: 0; }
.study .section-number, .study .label { color: #aeb8b1; }
.study-card { position: relative; padding: clamp(31px, 5vw, 64px); min-height: 350px; background: var(--accent); display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.study-card::after { content: "↗"; position: absolute; right: -18px; bottom: -58px; color: rgba(244,241,233,.25); font-size: 250px; font-weight: 400; }
.study-card h2, .study-card p { position: relative; z-index: 1; }
.study-card h2 { margin-top: 18px; font-size: clamp(38px, 5vw, 70px); }
.study-card > p:last-child { margin: 0; font-size: 14px; }
.footer { background: var(--ink); color: var(--paper); border-bottom: 0; padding-bottom: 33px; }
.footer .section-number { color: #aeb8b1; }
.footer-content > p { margin: 0 0 clamp(42px, 7vw, 100px); font-family: Georgia, "Noto Serif KR", serif; font-size: clamp(25px, 3.8vw, 54px); letter-spacing: -.065em; line-height: 1.08; }
.email { display: inline-block; font-size: clamp(19px, 3vw, 42px); letter-spacing: -.06em; text-decoration: none; border-bottom: 1px solid var(--paper); padding-bottom: 6px; }
.email span { color: var(--accent); }
.github { display: block; margin-top: 24px; color: #c7cfca; }
.copyright { grid-column: 2; margin: 70px 0 0; color: #aeb8b1; font-size: 10px; letter-spacing: .12em; }

@media (max-width: 620px) {
  .nav { height: 70px; }
  .hero { min-height: 540px; }
  .hero-bottom { align-items: start; flex-direction: column; gap: 25px; }
  .section, .footer { grid-template-columns: 1fr; gap: 30px; }
  .about-detail { grid-template-columns: 1fr; gap: 16px; }
  .interest-list li { grid-template-columns: 34px 1fr; gap: 4px; }
  .interest-list em { grid-column: 2; }
  .copyright { grid-column: auto; margin-top: 50px; }
}