/* OP-Berichte KI — Landing & Legal pages
   Sachlich, klinisch, ruhig. System-Fonts, ein Akzent (deep medical blue),
   große Typo-Hierarchie, viel Weißraum.
*/

:root {
  --bg: #fbfbfd;
  --surface: #ffffff;
  --surface-2: #f3f5f9;
  --fg: #0e1726;
  --fg-soft: #2a3447;
  --fg-muted: #5b6577;
  --border: #e4e8ef;
  --border-strong: #cdd3df;
  --accent: #0b4d8f;
  --accent-hover: #093d72;
  --accent-soft: #e8f0fa;
  --teal: #0f8a7c;
  --maxw: 1040px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(14, 23, 38, 0.04);
  --shadow-md: 0 4px 16px rgba(14, 23, 38, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

/* ==================== Top-Navigation ==================== */

.nav {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  position: sticky; top: 0; z-index: 10;
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0.95rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: flex; align-items: center; gap: 0.65rem;
  font-weight: 600; color: var(--fg); font-size: 1.02rem; letter-spacing: -0.005em;
}
.brand-mark {
  width: 28px; height: 28px; border-radius: 6px;
  background: linear-gradient(135deg, var(--accent) 0%, #1f7fd1 100%);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 0.78rem;
  letter-spacing: 0.02em;
  box-shadow: 0 1px 3px rgba(11, 77, 143, 0.4);
}
.nav-links { display: flex; gap: 1.4rem; align-items: center; }
.nav-links a {
  color: var(--fg-soft); font-size: 0.93rem; font-weight: 500;
}
.nav-links a:hover { color: var(--accent); text-decoration: none; }
.nav-cta {
  background: var(--accent); color: #fff !important;
  padding: 0.45rem 0.95rem; border-radius: 6px;
  font-size: 0.9rem !important; font-weight: 500;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--accent-hover); text-decoration: none !important; }

/* ==================== Hero ==================== */

.hero {
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 80% 60% at 80% 0%,
                    rgba(31, 127, 209, 0.06) 0%,
                    transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 100%,
                    rgba(15, 138, 124, 0.04) 0%,
                    transparent 70%),
    var(--surface);
}
.hero-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 5rem 1.5rem 4.5rem;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.82rem; font-weight: 600;
  color: var(--accent); letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--accent-soft);
  padding: 0.35rem 0.75rem; border-radius: 999px;
  margin-bottom: 1.5rem;
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(1.25); }
}
h1.hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.022em;
  color: var(--fg);
  margin: 0 0 1.25rem;
  max-width: 18ch;
}
.hero-lede {
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--fg-soft);
  max-width: 58ch;
  margin: 0 0 2rem;
}
.hero-ctas { display: flex; gap: 0.85rem; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 7px; font-weight: 500; font-size: 0.97rem;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 1px 3px rgba(11, 77, 143, 0.25);
}
.btn-primary:hover {
  background: var(--accent-hover); text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(11, 77, 143, 0.3);
}
.btn-secondary {
  color: var(--fg-soft);
  border-color: var(--border-strong);
  background: var(--surface);
}
.btn-secondary:hover { border-color: var(--fg-muted); color: var(--fg); text-decoration: none; }

/* ==================== Sections ==================== */

section.block {
  max-width: var(--maxw); margin: 0 auto;
  padding: 4.5rem 1.5rem;
}
section.block.alt { background: var(--surface-2); max-width: none; }
section.block.alt > .block-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem;
}
.section-head {
  margin-bottom: 2.5rem;
}
.section-eyebrow {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 0.7rem;
}
h2 {
  font-size: 1.7rem; font-weight: 650; letter-spacing: -0.018em;
  line-height: 1.25; margin: 0 0 0.75rem; color: var(--fg);
}
.section-lede { color: var(--fg-muted); font-size: 1.02rem; max-width: 58ch; margin: 0; }

/* ==================== Feature-Grid ==================== */

.features {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 760px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.feature:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.feature-icon {
  width: 40px; height: 40px; border-radius: 9px;
  background: var(--accent-soft); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}
.feature-icon > svg {
  width: 20px !important; height: 20px !important;
  display: block;
}
.btn > svg {
  width: 14px !important; height: 14px !important;
  display: inline-block; flex-shrink: 0;
}
.feature h3 {
  font-size: 1.02rem; font-weight: 600; margin: 0 0 0.45rem; color: var(--fg);
}
.feature p { font-size: 0.94rem; color: var(--fg-muted); margin: 0; line-height: 1.55; }

/* ==================== Two-Column "What we do / don't" ==================== */

.dual {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 760px) { .dual { grid-template-columns: 1fr; } }
.dual-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.75rem;
}
.dual-card h3 {
  display: flex; align-items: center; gap: 0.55rem;
  font-size: 1.05rem; font-weight: 600; margin: 0 0 1rem;
}
.tick, .cross {
  width: 22px; height: 22px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-weight: 700; font-size: 0.8rem;
}
.tick { background: rgba(15, 138, 124, 0.12); color: var(--teal); }
.cross { background: rgba(193, 65, 65, 0.1); color: #c14141; }
.dual-list { list-style: none; padding: 0; margin: 0; }
.dual-list li {
  display: flex; gap: 0.7rem; align-items: flex-start;
  padding: 0.55rem 0; font-size: 0.95rem; color: var(--fg-soft);
  border-bottom: 1px solid var(--border);
}
.dual-list li:last-child { border-bottom: none; }
.dual-list .icon-inline { margin-top: 0.1rem; }

/* ==================== Trust strip ==================== */

.trust {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
@media (max-width: 760px) { .trust { grid-template-columns: repeat(2, 1fr); } }
.trust-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.2rem;
}
.trust-label {
  font-size: 0.78rem; color: var(--fg-muted); font-weight: 500;
  letter-spacing: 0.02em; margin-bottom: 0.3rem;
}
.trust-value { font-size: 0.98rem; font-weight: 600; color: var(--fg); }

/* ==================== Footer ==================== */

footer.site {
  border-top: 1px solid var(--border);
  background: var(--surface);
  margin-top: 2rem;
}
.foot-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex; flex-wrap: wrap; gap: 1.25rem;
  align-items: center; justify-content: space-between;
  font-size: 0.88rem; color: var(--fg-muted);
}
.foot-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.foot-links a { color: var(--fg-muted); }
.foot-links a:hover { color: var(--fg); }

/* ==================== Legal pages (Impressum, Datenschutz) ==================== */

main.legal {
  max-width: 760px; margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}
main.legal h1 {
  font-size: 2rem; letter-spacing: -0.02em; margin: 0 0 0.4rem;
}
main.legal .muted { color: var(--fg-muted); font-size: 0.95rem; }
main.legal h2 {
  font-size: 1.18rem; margin: 2.25rem 0 0.6rem; font-weight: 600;
}
main.legal h3 { font-size: 1.02rem; margin: 1.4rem 0 0.4rem; font-weight: 600; }
main.legal p { margin: 0.7rem 0; color: var(--fg-soft); }
main.legal ul { padding-left: 1.4rem; color: var(--fg-soft); }
main.legal li { margin: 0.3rem 0; }
main.legal dl.kv { margin: 0.6rem 0; }
main.legal .kv dt { font-weight: 600; display: inline; color: var(--fg); }
main.legal .kv dd { display: inline; margin: 0 0 0 0.4rem; color: var(--fg-soft); }
main.legal .note {
  background: var(--surface); border: 1px solid var(--border);
  padding: 1rem 1.2rem; border-radius: var(--radius);
  margin: 1.25rem 0;
  font-size: 0.95rem; color: var(--fg-soft);
}