:root {
  --ink: #18202e;
  --muted: #5b6475;
  --navy: #1f2a44;
  --accent: #6b8cc7;
  --paper: #f7f5f1;
  --card: #ffffff;
  --line: #e4e0d8;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --max: 1100px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

html[data-lang="de"] [lang="en"],
html[data-lang="en"] [lang="de"] { display: none; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem max(var(--gutter), calc((100% - var(--max)) / 2 + var(--gutter)));
  background: rgba(247, 245, 241, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--navy);
}

.topbar nav { display: flex; gap: 1.5rem; margin-left: auto; }
.topbar nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--muted);
}
.topbar nav a:hover { color: var(--ink); }

.lang-switch {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px;
}
.lang-switch button {
  border: 0;
  background: transparent;
  font: 600 0.75rem var(--sans);
  letter-spacing: 0.05em;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
}
.lang-switch button[aria-pressed="true"] { background: var(--navy); color: #fff; }

main { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 1rem;
}

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin: 0 0 1.5rem;
}

.lead { font-size: 1.15rem; color: var(--muted); max-width: 34rem; margin: 0 0 2rem; }

.cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  font-weight: 500;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--navy); color: #fff; }
.btn.primary:hover { background: #2b3a5e; }
.btn.ghost { border: 1px solid var(--navy); color: var(--navy); }

.portrait { margin: 0; position: relative; }
.portrait::before {
  content: "";
  position: absolute;
  inset: 1.25rem -1.25rem -1.25rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: 24px;
}
.portrait img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 24px;
  box-shadow: 0 30px 60px -30px rgba(24, 32, 46, 0.45);
}

.section { padding: clamp(3rem, 6vw, 4.5rem) 0; border-top: 1px solid var(--line); }

h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  color: var(--navy);
  margin: 0 0 2rem;
}

h3 { font-size: 1.08rem; font-weight: 600; margin: 0 0 0.2rem; }

.about-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 3rem; align-items: start; }
.about-grid > p { font-size: 1.08rem; margin: 0; }

.facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.facts li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.facts strong {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.9rem;
  color: var(--navy);
  min-width: 3.5rem;
}

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline > li {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px dashed var(--line);
}
.timeline > li:last-child { border-bottom: 0; }
.timeline time, .card time {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.org { margin: 0 0 0.6rem; color: var(--muted); font-weight: 500; }
.timeline ul { margin: 0; padding-left: 1.1rem; color: var(--muted); }
.timeline ul li { margin: 0.2rem 0; }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.75rem;
}
.card h3 { margin-top: 0.5rem; }
.card p { margin: 0.2rem 0; color: var(--muted); }
.card .degree { margin-top: 1rem; color: var(--ink); font-weight: 500; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }

.languages { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.languages li {
  display: grid;
  grid-template-columns: 1fr auto;
  row-gap: 0.45rem;
}
.lang-name { font-weight: 600; }
.level { color: var(--muted); font-size: 0.9rem; }
.bar {
  grid-column: 1 / -1;
  height: 6px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.bar i { display: block; height: 100%; width: var(--w); background: var(--navy); border-radius: inherit; }

.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chips li {
  padding: 0.5rem 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.92rem;
}

.contact {
  margin: 2rem 0 4rem;
  padding: clamp(2.5rem, 6vw, 4rem);
  background: var(--navy);
  color: #fff;
  border-radius: 28px;
  border-top: 0;
}
.contact h2 { color: #fff; margin-bottom: 0.75rem; }
.contact-lead { color: rgba(255, 255, 255, 0.75); margin: 0 0 2rem; }
.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 2rem;
}
.contact-list li { display: flex; flex-direction: column; gap: 0.2rem; }
.contact-list .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
}
.contact-list a { text-decoration: none; font-size: 1.1rem; border-bottom: 1px solid transparent; width: fit-content; }
.contact-list a:hover { border-bottom-color: #fff; }
.contact-list li > span:not(.label) { font-size: 1.1rem; }

.footer { text-align: center; padding: 0 0 2.5rem; color: var(--muted); font-size: 0.85rem; }

@media (max-width: 820px) {
  .topbar nav { display: none; }
  .lang-switch { margin-left: auto; }
  .hero { grid-template-columns: 1fr; }
  .portrait { order: -1; max-width: 320px; }
  .about-grid, .split, .cards, .contact-list { grid-template-columns: 1fr; }
  .split { gap: 3rem; }
  .timeline > li { grid-template-columns: 1fr; gap: 0.4rem; }
}