:root {
  --bg: #121212;
  --text: #ffffff;
  --muted: #848484;
  --line: #2a2a2a;
  --chip: #262626;
  --pad: 40px;
  --max: 1200px;
  --radius: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Geist", system-ui, -apple-system, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
strong, .semi { font-weight: 600; }
.muted { color: var(--muted); }

.wrap {
  width: 100%;
  max-width: calc(var(--max) + var(--pad) * 2);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  margin-top: 40px;
}
.logo img { width: 74px; height: 40px; }
.nav { display: flex; gap: 32px; font-size: 14px; font-weight: 600; }
.nav a { color: var(--muted); transition: color .2s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

/* Home hero */
.hero { padding: 120px 0 40px; }
.bio { max-width: 720px; font-size: 20px; line-height: 30px; }
.bio p + p { margin-top: 30px; }
.bio a { font-weight: 600; color: var(--text); }
.bio a:hover { text-decoration: underline; }
.scroll-down { display: inline-block; margin-top: 134px; color: var(--text); }

/* Home project list */
.projects { padding-top: 80px; display: grid; gap: 88px; }
.project-card { display: block; }
.project-card .thumb {
  width: 100%;
  aspect-ratio: 1200 / 520;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform .4s ease;
}
.project-card .thumb-wrap { border-radius: var(--radius); overflow: hidden; }
a.project-card:hover .thumb { transform: scale(1.02); }
.project-meta {
  display: grid;
  grid-template-columns: 124px 1fr;
  gap: 16px;
  margin-top: 24px;
}
.project-meta h2 { font-size: 16px; font-weight: 600; line-height: 24px; margin-bottom: 8px; }
.project-meta p { font-size: 16px; line-height: 24px; }

/* Contact + footer */
.contact { border-top: 1px solid var(--line); margin-top: 120px; padding: 120px 0 120px; }
.contact p { font-size: 20px; line-height: 30px; max-width: 400px; color: var(--muted); }
.contact a { display: inline-block; margin-top: 40px; font-size: 20px; line-height: 30px; }
.contact a:hover { text-decoration: underline; }
.site-footer {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--muted);
  padding-bottom: 32px;
}

/* Project detail */
.case-head { padding-top: 120px; }
.case-label { display: inline-flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 600; color: var(--muted); }
a.case-label:hover { color: var(--text); }
.case-title { font-size: 40px; line-height: 1.25; font-weight: 400; max-width: 1000px; margin-top: 16px; }
.case-hero { margin-top: 40px; width: 100%; aspect-ratio: 1200 / 513; object-fit: cover; border-radius: var(--radius); }
.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.facts h3 { font-size: 16px; font-weight: 400; color: var(--muted); margin-bottom: 8px; }
.facts p { font-size: 16px; line-height: 24px; }
.gallery { display: grid; gap: 24px; margin-top: 120px; }
.gallery img { width: 100%; height: auto; border-radius: var(--radius); }
.pager { display: flex; justify-content: space-between; margin-top: 80px; font-weight: 600; color: var(--muted); }
.pager a:hover { color: var(--text); }

/* Info page */
.intro { padding-top: 120px; }
.avatar { width: 48px; height: 48px; border-radius: 50%; }
.intro-text { font-size: 24px; line-height: 1.4; max-width: 1060px; margin-top: 24px; }
.focus { display: grid; grid-template-columns: 1fr 1fr; gap: 48px 80px; margin-top: 80px; }
.focus h2, .entries h3 { font-size: 16px; font-weight: 600; line-height: 24px; }
.focus p { max-width: 560px; }
.section { border-top: 1px solid var(--line); margin-top: 80px; padding-top: 80px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 48px 80px; }
.label { font-size: 14px; color: var(--muted); margin-bottom: 24px; }
.entries { display: grid; gap: 24px; }
.entries h3 span { font-weight: 400; color: var(--muted); }
.chips-group + .chips-group { margin-top: 48px; }
.chips { display: flex; flex-wrap: wrap; gap: 12px; list-style: none; }
.chips li { background: var(--chip); border-radius: 999px; padding: 10px 16px; font-size: 16px; line-height: 24px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Tablet */
@media (max-width: 1023px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .case-title { font-size: 32px; }
}

/* Mobile */
@media (max-width: 767px) {
  :root { --pad: 20px; --radius: 14px; }
  .site-header { margin-top: 16px; }
  .nav { gap: 20px; }
  .hero { padding-top: 64px; }
  .bio { font-size: 18px; line-height: 28px; }
  .scroll-down { margin-top: 64px; }
  .projects { gap: 64px; padding-top: 48px; }
  .project-card .thumb { aspect-ratio: 4 / 3; }
  .project-meta { grid-template-columns: 1fr; gap: 4px; margin-top: 16px; }
  .contact { margin-top: 80px; padding: 64px 0; }
  .contact p, .contact a { font-size: 18px; }
  .site-footer { flex-direction: column; gap: 4px; }
  .case-head, .intro { padding-top: 64px; }
  .case-title { font-size: 26px; }
  .case-hero { aspect-ratio: 4 / 3; }
  .facts { grid-template-columns: 1fr 1fr; gap: 24px 16px; }
  .gallery { margin-top: 64px; gap: 16px; }
  .intro-text { font-size: 20px; }
  .focus, .cols { grid-template-columns: 1fr; gap: 40px; }
  .section { margin-top: 56px; padding-top: 56px; }
}

/* Case story */
.story { display: grid; grid-template-columns: 1fr 1fr; gap: 48px 80px; margin-top: 120px; }
.story h2 { font-size: 16px; font-weight: 600; line-height: 24px; margin-bottom: 8px; }
.story p { max-width: 560px; }
@media (max-width: 767px) {
  .story { grid-template-columns: 1fr; gap: 32px; margin-top: 64px; }
}