/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Logo-Blau: #22577E – alle Töne daraus abgeleitet */
  --blue-900:  #0f2d40;
  --blue-800:  #1a4260;
  --blue-700:  #22577e;
  --blue-600:  #2d6f9f;
  --blue-400:  #5a9abf;
  --blue-200:  #a8cce0;
  --blue-100:  #d6eaf5;
  --blue-50:   #edf5fb;

  --color-bg:       #ffffff;
  --color-bg-alt:   #f4f7fa;
  --color-surface:  #ffffff;
  --color-border:   #d0dce5;
  --color-primary:  var(--blue-700);
  --color-primary-h:var(--blue-800);
  --color-text:     #0f2030;
  --color-muted:    #4a6a80;

  --transition: 0.2s ease;
  --max-w: 1160px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ── Utilities ────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin-inline: auto; padding-inline: 1.5rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.01em;
}
.btn-primary { background: transparent; color: var(--blue-700); border-color: var(--blue-700); }
.btn-primary:hover { background: var(--blue-700); color: #fff; border-color: var(--blue-700); }
.btn-ghost { background: transparent; color: var(--color-muted); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--blue-50); color: var(--blue-700); border-color: var(--blue-700); }
.btn-full { width: 100%; justify-content: center; }

/* ── Header ───────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 2px solid var(--blue-700);
}

.nav {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  height: 68px;
  gap: 2rem;
}

.logo { text-decoration: none; display: inline-flex; align-items: stretch; align-self: stretch; }
.logo-img { height: 100%; width: auto; display: block; object-fit: cover; }
.logo-img--footer { height: 36px; width: auto; display: block; }

.nav-links { display: flex; list-style: none; gap: 0; align-items: center; }

.nav-links a {
  color: var(--color-muted);
  text-decoration: none;
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  display: block;
}
.nav-links a:hover { color: var(--blue-700); border-bottom-color: var(--blue-700); }

.btn-nav {
  background: transparent !important;
  color: var(--blue-700) !important;
  border: 2px solid var(--blue-700) !important;
  padding: 0.45rem 1.1rem !important;
  margin-left: 0.5rem;
}
.btn-nav:hover { background: var(--blue-700) !important; color: #fff !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--color-text); transition: all var(--transition); }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 6rem 0 5rem;
  min-height: 86vh;
  display: flex;
  align-items: center;
  background: linear-gradient(110deg, var(--blue-50) 0%, #ffffff 60%);
  border-bottom: 1px solid var(--color-border);
}

.hero-content { position: relative; z-index: 1; max-width: 680px; }

.hero-label {
  display: inline-block;
  color: var(--blue-700);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  padding: 0.3rem 0.75rem;
  border: 1.5px solid var(--blue-200);
  background: var(--blue-50);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -1px;
  color: var(--blue-900);
  margin-bottom: 1.5rem;
}

.hero-sub {
  color: var(--color-muted);
  font-size: 1.1rem;
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-bg-shape {
  position: absolute;
  right: 8%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, transparent, var(--blue-200), transparent);
  pointer-events: none;
}

/* ── Sections ─────────────────────────────────────────────── */
.section { padding: 5rem 0; }
.section-alt { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

.section-header { text-align: center; max-width: 560px; margin: 0 auto 3.5rem; }

.section-label {
  display: inline-block;
  color: var(--blue-700);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--blue-900);
  margin-bottom: 0.75rem;
}

.section-sub { color: var(--color-muted); font-size: 1rem; }

/* ── Cards ────────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }

.card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-border);
  padding: 2rem;
  transition: border-top-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-top-color: var(--blue-700); box-shadow: 0 4px 20px rgba(34,87,126,0.09); }

.card-highlight { border-top: 3px solid var(--blue-700); background: var(--blue-50); }
.card-highlight:hover { box-shadow: 0 4px 24px rgba(34,87,126,0.14); }

.card-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--blue-700);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
}

.card-icon {
  width: 44px;
  height: 44px;
  background: var(--blue-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--blue-700);
}
.card-icon svg { width: 20px; height: 20px; }

.card h3 { font-size: 1.1rem; font-weight: 700; color: var(--blue-900); margin-bottom: 0.6rem; }
.card p { color: var(--color-muted); font-size: 0.92rem; line-height: 1.7; margin-bottom: 1.25rem; }

.card-list { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.card-list li { font-size: 0.88rem; color: var(--color-muted); padding-left: 1rem; position: relative; }
.card-list li::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 4px; background: var(--blue-400); }

/* ── Pillars ──────────────────────────────────────────────── */
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; }

.pillar { border-left: 3px solid var(--blue-200); padding-left: 1.5rem; transition: border-color var(--transition); }
.pillar:hover { border-left-color: var(--blue-700); }

.pillar-number { display: block; font-size: 0.75rem; font-weight: 700; color: var(--blue-400); letter-spacing: 0.12em; margin-bottom: 0.5rem; }
.pillar h4 { font-size: 1rem; font-weight: 700; color: var(--blue-900); margin-bottom: 0.4rem; }
.pillar p { color: var(--color-muted); font-size: 0.9rem; line-height: 1.65; }

/* ── Contact ──────────────────────────────────────────────── */
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-top: 3px solid var(--blue-700);
  padding: 3rem;
}

.contact-text .section-label { margin-bottom: 0.5rem; }
.contact-text h2 { font-size: clamp(1.6rem, 3.5vw, 2.1rem); font-weight: 700; color: var(--blue-900); letter-spacing: -0.5px; margin-bottom: 0.75rem; }
.contact-text p { color: var(--color-muted); font-size: 0.95rem; margin-bottom: 1.5rem; }

.contact-details { display: flex; flex-direction: column; gap: 0.5rem; }

.contact-email,
.contact-phone {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue-700);
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
  transition: border-color var(--transition);
}
.contact-email:hover,
.contact-phone:hover { border-bottom-color: var(--blue-700); }

.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--blue-800); }

.form-group input,
.form-group textarea {
  background: #fff;
  border: 1.5px solid var(--color-border);
  padding: 0.7rem 1rem;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.92rem;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--blue-700); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: #aabbc8; }

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--blue-900);
  border-top: 3px solid var(--blue-700);
  padding: 2.5rem 0 1.5rem;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-address { color: var(--blue-200); font-size: 0.88rem; line-height: 1.7; }
.footer-address a { color: var(--blue-200); text-decoration: none; transition: color var(--transition); }
.footer-address a:hover { color: #fff; }

.footer-bottom { text-align: center; }
.footer-copy { color: var(--blue-400); font-size: 0.82rem; }

.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--blue-200); font-size: 0.85rem; text-decoration: none; transition: color var(--transition); }
.footer-links a:hover { color: #fff; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 2px solid var(--blue-700);
    padding: 1rem 1.5rem;
    gap: 0;
  }
  .hamburger { display: flex; }
  .hero { padding: 4rem 0; min-height: auto; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .contact-box { grid-template-columns: 1fr; gap: 2.5rem; padding: 2rem; }
  .footer-top { flex-direction: column; text-align: center; align-items: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .cards { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
}