:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --text: #161a1d;
  --muted: #5d666d;
  --line: #dde1e3;
  --accent: #24384a;
  --accent-2: #7a8b99;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: auto;
}
.skip-link:focus {
  left: 16px; top: 16px; z-index: 100; padding: 10px 14px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
}

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
}
.nav {
  min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { text-decoration: none; font-weight: 760; letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover, .nav-links a:focus { color: var(--text); }
.lang { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }

.hero { padding: 92px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 68px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: .82rem; }
h1 { margin: 0; font-size: clamp(3rem, 8vw, 6.4rem); line-height: .98; letter-spacing: -0.06em; max-width: 9ch; }
.lead { font-size: clamp(1.16rem, 2vw, 1.45rem); color: var(--muted); max-width: 720px; margin: 26px 0 0; }
.meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 26px 0 0; }
.pill { padding: 8px 12px; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; color: #38434a; font-size: .92rem; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 17px; border-radius: 10px; border: 1px solid var(--text); text-decoration: none; font-weight: 700; }
.button.primary { background: var(--text); color: white; }
.button.secondary { background: transparent; }
.portrait-wrap { position: relative; }
.portrait-wrap::before {
  content: ""; position: absolute; inset: -18px 18px 18px -18px; border-radius: 26px; border: 1px solid var(--line); z-index: -1;
}
.portrait { width: 100%; max-height: 620px; object-fit: cover; object-position: center 24%; border-radius: 22px; box-shadow: 0 22px 60px rgba(26, 35, 42, .12); }

.section { padding: 76px 0; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: 0.4fr 1fr; gap: 48px; margin-bottom: 40px; }
.section h2 { margin: 0; font-size: clamp(1.85rem, 3vw, 2.7rem); letter-spacing: -0.035em; }
.section-intro { margin: 0; color: var(--muted); max-width: 760px; }

.profile-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.card h3 { margin: 0 0 8px; font-size: 1.03rem; }
.card p { margin: 0; color: var(--muted); }

.timeline { display: grid; gap: 0; }
.item { display: grid; grid-template-columns: 170px 1fr; gap: 30px; padding: 28px 0; border-top: 1px solid var(--line); }
.item:first-child { border-top: 0; padding-top: 0; }
.item time { font-weight: 750; color: var(--accent); }
.item h3 { margin: 0; font-size: 1.18rem; }
.item .org { margin: 4px 0 10px; font-weight: 650; color: #3e4a52; }
.item p, .item ul { color: var(--muted); margin-bottom: 0; }
.item ul { padding-left: 1.1rem; }

.skill-list { display: flex; gap: 10px; flex-wrap: wrap; }
.skill { border: 1px solid var(--line); background: var(--surface); padding: 9px 12px; border-radius: 10px; }

.highlight { padding: 28px; background: var(--accent); color: white; border-radius: 18px; }
.highlight p { color: rgba(255,255,255,.78); margin-bottom: 0; }

.footer { padding: 40px 0 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: .94rem; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.note { max-width: 760px; }

@media (max-width: 900px) {
  .hero { padding-top: 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  h1 { max-width: none; }
  .portrait { max-height: 720px; }
  .profile-grid { grid-template-columns: repeat(2, 1fr); }
  .section-head { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, var(--max)); }
  .nav-links a:not(.lang) { display: none; }
  .hero { padding: 50px 0 54px; }
  .profile-grid { grid-template-columns: 1fr; }
  .item { grid-template-columns: 1fr; gap: 8px; }
  .section { padding: 58px 0; }
}