/* Quanturia GmbH — statische Website
   Marke: Blau #015EA7 (primär), Grün #96BF0D (Akzent)
   Keine externen Fonts/CDNs (DSGVO). Nur System-Fonts. */

:root {
  --blue: #015ea7;
  --blue-dark: #014a83;
  --green: #96bf0d;
  --ink: #1a2430;
  --ink-2: #58616d;
  --line: #e4e8ec;
  --fill: #f5f7f9;
  --bg: #ffffff;
  --maxw: 1080px;
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); font-weight: 700; }
h2 { font-size: clamp(1.55rem, 3vw, 2.05rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1.1em; }

/* Eyebrow / Kicker — mit grünem Marken-Quadrat */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55em;
  font-size: .8rem; font-weight: 600; letter-spacing: .09em;
  text-transform: uppercase; color: var(--ink-2); margin-bottom: 1rem;
}
.eyebrow::before {
  content: ""; width: 10px; height: 10px; background: var(--green);
  border-radius: 2px; display: inline-block;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px;
}
.site-header .logo img { height: 30px; width: auto; display: block; }
.nav { display: flex; gap: 28px; }
.nav a {
  color: var(--ink); font-size: .95rem; font-weight: 500;
  text-decoration: none;
}
.nav a:hover { color: var(--blue); }
.header-right { display: flex; align-items: center; gap: 28px; }
.lang { display: flex; align-items: center; gap: 7px; font-size: .9rem; white-space: nowrap; }
.lang a { color: var(--ink-2); text-decoration: none; }
.lang a:hover { color: var(--blue); }
.lang .active { color: var(--ink); font-weight: 600; }
.lang .sep { color: var(--line); }
@media (max-width: 680px) { .nav { display: none; } }

/* ---------- Sections ---------- */
section { padding: 84px 0; }
section.alt { background: var(--fill); }
.section-lead { max-width: 640px; color: var(--ink-2); font-size: 1.08rem; }

/* ---------- Hero ---------- */
.hero { padding: 100px 0 88px; position: relative; overflow: hidden; }
.hero .wrap { position: relative; z-index: 1; max-width: 820px; }
.hero h1 { margin-bottom: .35em; }
.hero .tagline {
  color: var(--blue); font-weight: 600; font-size: 1.05rem;
  letter-spacing: .02em; margin-bottom: 1.4rem;
}
.hero .lead { font-size: 1.22rem; color: var(--ink-2); max-width: 640px; }
/* dezentes Marken-Motiv oben rechts */
.hero::after {
  content: ""; position: absolute; top: -80px; right: -80px;
  width: 320px; height: 320px;
  background: url("icon-512.png") no-repeat center / contain;
  opacity: .06; z-index: 0; pointer-events: none;
}
@media (max-width: 680px) { .hero::after { width: 200px; height: 200px; top: -40px; right: -60px; } }

/* ---------- About / Portrait ---------- */
.about-grid {
  display: grid; grid-template-columns: 300px 1fr; gap: 56px; align-items: start;
}
.about-grid .portrait {
  width: 100%; max-width: 300px; aspect-ratio: 1/1;
  border-radius: var(--radius); object-fit: cover; display: block;
}
.about-grid .role { color: var(--ink-2); font-size: .98rem; margin-top: 14px; }
@media (max-width: 760px) {
  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-grid .portrait { max-width: 220px; }
}

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 8px; }
@media (max-width: 860px) { .cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 30px 26px;
}
section.alt .card { background: #fff; }
.card h3 { margin-bottom: .35em; }
.card .tag {
  display: inline-block; font-size: .74rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--blue);
  background: #eaf2f9; border-radius: 999px; padding: 4px 11px; margin-bottom: 14px;
}
.card p { margin-bottom: .6em; color: var(--ink); }
.card .muted { color: var(--ink-2); font-size: .95rem; }

/* ---------- Kontakt ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; gap: 18px; } }
.contact-item .label {
  font-size: .78rem; font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; color: var(--ink-2); margin-bottom: 6px;
}
.contact-item a, .contact-item span { font-size: 1.05rem; }

/* ---------- Info-Hinweis ---------- */
.note {
  border-left: 3px solid var(--green); background: var(--fill);
  padding: 18px 22px; border-radius: 0 10px 10px 0; color: var(--ink-2);
  font-size: .98rem; max-width: 720px;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line); padding: 40px 0;
  color: var(--ink-2); font-size: .92rem;
}
.site-footer .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
}
.site-footer .foot-brand { display: flex; align-items: center; gap: 12px; }
.site-footer .foot-brand img { height: 26px; width: auto; }
.site-footer nav { display: flex; gap: 22px; }
.site-footer a { color: var(--ink-2); }
.site-footer a:hover { color: var(--blue); }

/* ---------- Rechtsseiten (Impressum/Datenschutz) ---------- */
.legal { padding: 64px 0 80px; }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin-bottom: 1rem; }
.legal h2 { font-size: 1.25rem; margin-top: 2.2em; }
.legal p, .legal li { color: var(--ink); }
.legal .back { display: inline-block; margin-bottom: 2rem; font-size: .95rem; }
.legal address { font-style: normal; }
.legal .updated { color: var(--ink-2); font-size: .9rem; margin-top: 3rem; }