:root {
  --color-black: #141414;
  --color-red: #e2231a;
  --color-white: #ffffff;
  --color-gray-light: #f5f5f5;
  --color-gray-mid: #dedede;
  --color-text-muted: #5a5a5a;
  --font-sans: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 10px;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.5;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
h2 { font-size: 1.8rem; text-align: center; margin-bottom: 1.5rem; }
p { margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.muted { color: var(--color-text-muted); }
.center { text-align: center; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-mid);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 16px;
}

.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--color-black);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--color-red); }
.site-nav a.active { color: var(--color-red); }

/* Each section fills the screen; JS animates one full section per scroll gesture */
html {
  scroll-behavior: smooth;
}
.tab-content {
  min-height: 100vh;
  scroll-margin-top: var(--header-h, 70px);
  display: flex;
  align-items: center;
}
.tab-content > .container {
  width: 100%;
}

/* Hero */
.hero {
  text-align: center;
  padding: 72px 0 56px;
  background: var(--color-gray-light);
}
.hero-logo {
  display: block;
  margin: 0 auto 20px;
  width: 180px;
  height: auto;
}
@media (min-width: 701px) {
  .hero-logo {
    width: 280px;
  }
}
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}
.hero .accent { color: var(--color-red); }
.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 1.5rem;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}
.btn-primary {
  background: var(--color-red);
  color: var(--color-white);
}
.btn-primary:hover { background: #c31d15; }

.btn-secondary {
  background: var(--color-white);
  color: var(--color-red);
  border-color: var(--color-red);
}
.btn-secondary:hover { background: var(--color-red); color: var(--color-white); }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--color-gray-light); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 1.5rem;
}
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-mid);
  border-radius: var(--radius);
  padding: 24px;
}
.card h3 {
  color: var(--color-red);
  font-size: 1.15rem;
}

.intro {
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto 2rem;
}

.founder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  max-width: 560px;
  margin: 0 auto;
}
.founder-card {
  text-align: center;
  background: var(--color-white);
  border: 1px solid var(--color-gray-mid);
  border-radius: var(--radius);
  padding: 28px 20px;
}
.founder-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-red);
  color: var(--color-white);
  font-weight: 900;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}
.founder-card h3 {
  color: var(--color-black);
  font-size: 1.1rem;
}
.founder-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Inquiry form */
.inquiry-form {
  max-width: 560px;
  margin: 0 auto;
}
.inquiry-form label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 14px;
}
.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--color-gray-mid);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}

.response-note {
  margin-top: 24px;
}

.field-hint {
  display: block;
  margin-top: 6px;
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.form-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.form-note a { color: var(--color-red); }

#kontakt a { color: var(--color-red); }

/* Footer */
.site-footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 24px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.9rem;
}
.social-links a {
  color: var(--color-white);
  text-decoration: none;
  margin-left: 16px;
  font-weight: 600;
}
.social-links a:hover { color: var(--color-red); }