:root {
  --ink: #223039;
  --muted: #5d6870;
  --paper: #fffdf9;
  --soft: #f3f7f5;
  --red: #ef2330;
  --green: #18b84f;
  --blue: #0b84d8;
  --yellow: #f4a000;
  --radius: 22px;
  --shadow: 0 18px 45px rgba(34, 48, 57, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 120px; }
main#top { scroll-margin-top: 120px; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

a { color: inherit; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  position: sticky;
  top: 0;
  background: rgba(255, 253, 249, 0.94);
  backdrop-filter: blur(10px);
  z-index: 10;
  border-bottom: 1px solid rgba(34,48,57,0.08);
}

.brand img { width: min(260px, 48vw); height: auto; display: block; }
nav { display: flex; flex-wrap: wrap; gap: 0.9rem; font-weight: 700; font-size: 0.95rem; }
nav a { text-decoration: none; color: var(--muted); }
nav a:hover { color: var(--ink); }

.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}
.burger span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--ink);
  border-radius: 3px;
  margin: 5px 0;
  transition: .2s;
}

.section { padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 6vw, 6rem); }
.hero { min-height: 72vh; display: grid; align-items: center; background:
    radial-gradient(circle at 80% 10%, rgba(24,184,79,.13), transparent 35%),
    radial-gradient(circle at 15% 20%, rgba(239,35,46,.10), transparent 32%),
    radial-gradient(circle at 75% 80%, rgba(11,132,216,.10), transparent 30%),
    linear-gradient(rgba(255,253,249,0.85) 0%, rgba(255,253,249,0.65) 50%, rgba(255,253,249,0.85) 100%),
    url('assets/hero-szene.webp');
  background-size: cover;
  background-position: center 30%; }
.hero-copy { max-width: 880px; }
.eyebrow { color: var(--green); font-weight: 900; letter-spacing: .08em; text-transform: uppercase; font-size: .85rem; }
h1, h2, h3 { line-height: 1.08; margin: 0 0 1rem; }
h1 { font-size: clamp(2.6rem, 7vw, 6rem); letter-spacing: -0.05em; }
h2 { font-size: clamp(2rem, 4.5vw, 3.8rem); letter-spacing: -0.04em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.7rem); }
.lead { font-size: clamp(1.25rem, 2.4vw, 1.8rem); color: var(--muted); max-width: 820px; }
.claim { font-weight: 900; font-size: clamp(1.25rem, 2.5vw, 2rem); letter-spacing: .02em; color: var(--ink); }

.cta-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.button { display: inline-block; padding: .9rem 1.2rem; border-radius: 999px; background: var(--ink); color: white; text-decoration: none; font-weight: 800; box-shadow: var(--shadow); }
.button.secondary { background: white; color: var(--ink); border: 2px solid rgba(34,48,57,.12); }

.section-intro { max-width: 860px; margin-bottom: 2rem; }
.card-grid, .format-grid { display: grid; gap: 1.2rem; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.format-grid { grid-template-columns: 1.2fr 1fr 1fr; }
.format-image {
  grid-row: span 2;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.format-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card, .format-grid article, .note, .muted, .contact { border-radius: var(--radius); padding: clamp(1.2rem, 2.5vw, 2rem); box-shadow: var(--shadow); background: white; }
.card.red { border-top: 10px solid var(--red); }
.card.green { border-top: 10px solid var(--green); }
.card.blue { border-top: 10px solid var(--blue); }
.format-grid article { border-left: 8px solid var(--blue); }
.format-grid article:nth-child(1) { border-left-color: var(--red); }
.format-grid article:nth-child(2) { border-left-color: var(--green); }
.format-grid article:nth-child(3) { border-left-color: var(--blue); }
.format-grid article:nth-child(4) { border-left-color: var(--yellow); }
.note { margin-top: 1.2rem; background: var(--soft); }
.section-cta { margin-top: 1.4rem; display: flex; justify-content: flex-start; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
.check-list { margin: 0; padding: 0; list-style: none; display: grid; gap: .7rem; }
.check-list li { background: white; border-radius: 999px; padding: .8rem 1rem; box-shadow: 0 8px 25px rgba(34,48,57,.08); }
.check-list li::before { content: "✓"; color: var(--green); font-weight: 900; margin-right: .55rem; }
.muted { background: var(--soft); box-shadow: none; }
.bio { max-width: 900px; font-size: 1.1rem; }
.portrait-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  align-items: start;
  max-width: 100%;
}
.portrait-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.bio-text {
  max-width: 900px;
  font-size: 1.1rem;
}
.split-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  object-position: center 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.format-img {
  width: calc(100% + 2.4rem);
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
  margin: -1.2rem -1.2rem 1rem -1.2rem;
  display: block;
}
.contact { background: var(--ink); color: white; }
.contact .eyebrow { color: #7ee19d; }
.mail { font-size: clamp(1.5rem, 5vw, 3rem); font-weight: 900; letter-spacing: -0.03em; }
.mail span { color: #7ee19d; margin: 0 .15em; }
.small { opacity: .75; }

.site-footer { display: grid; grid-template-columns: 1fr 2fr; gap: 2rem; padding: 3rem clamp(1rem, 6vw, 6rem); background: #172229; color: white; }
.site-footer h2 { font-size: 1.2rem; }
.site-footer p { color: rgba(255,255,255,.75); }

@media (max-width: 900px) {
  section[id] { scroll-margin-top: 24px; }
  main#top { scroll-margin-top: 24px; }
  .site-header { position: static; flex-wrap: wrap; }
  .burger { display: block; order: 1; margin-left: auto; }
  nav { display: none; width: 100%; order: 2; flex-direction: column; gap: 0.4rem; padding: 1rem 0 0; }
  nav.nav-open { display: flex; }
  .card-grid.three, .format-grid, .split, .site-footer { grid-template-columns: 1fr; }
  .format-image { grid-row: span 1; }
  .portrait-layout { grid-template-columns: 1fr; }
  .split-img { height: 250px; }
}