:root {
  --color-primary: #0b5fa8;
  --color-primary-dark: #073e6e;
  --color-accent: #12ab9e;
  --color-accent-dark: #0c8074;
  --color-bg: #f4f8fa;
  --color-surface: #ffffff;
  --color-text: #142530;
  --color-muted: #4d6572;
  --color-border: #dbe6ea;
  --color-warn-bg: #fff6e0;
  --color-warn-border: #e0ab33;
  --color-warn-text: #6b4b06;
  --color-danger: #b23a2e;
  --color-danger-bg: #fbeae7;
  --color-success: #1c7c53;
  --color-success-bg: #e7f5ee;
  --radius-sm: 6px;
  --radius-md: 8px;
  --shadow-card: 0 1px 3px rgba(20, 37, 48, 0.08), 0 1px 2px rgba(20, 37, 48, 0.06);
  --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
}

a { color: var(--color-primary); }

img { max-width: 100%; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Demo banner ------------------------------------------------------------ */
.demo-banner {
  background: #142530;
  color: #fff;
  font-size: 13.5px;
  text-align: center;
  padding: 8px 16px;
}
.demo-banner strong { color: #7fe0d3; }

/* Header ------------------------------------------------------------------ */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 20px;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.brand small {
  display: block;
  font-weight: 400;
  font-size: 11px;
  color: var(--color-muted);
}

.main-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.main-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-size: 14.5px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}
.main-nav a:hover { background: var(--color-bg); }
.main-nav a.active { color: var(--color-primary); font-weight: 600; }

.header-actions { display: flex; gap: 8px; align-items: center; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 40px; height: 40px;
  font-size: 18px;
  cursor: pointer;
}

/* Buttons ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 12px 22px;
  font-size: 15.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  line-height: 1.2;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); }
.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover:not(:disabled) { background: var(--color-accent-dark); }
.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #8f2e24; }
.btn-sm { padding: 8px 14px; font-size: 13.5px; }
.btn-block { width: 100%; }
.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  padding: 4px 0;
}

/* Hero ---------------------------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-dark) 65%, var(--color-accent) 100%);
  color: #fff;
  padding: 56px 0 64px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.hero h1 { font-size: 38px; margin: 0 0 14px; line-height: 1.2; }
.hero p.lead { font-size: 17px; color: #e7f3f1; margin: 0 0 26px; max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-actions .btn-primary { background: #fff; color: var(--color-primary-dark); }
.hero-actions .btn-primary:hover { background: #eef6f6; }
.hero-actions .btn-accent { background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.55); color: #fff; }
.hero-actions .btn-accent:hover { background: rgba(255,255,255,0.24); }
.hero-sub-link { margin-top: 14px; font-size: 14px; }
.hero-sub-link a { color: #fff; text-decoration: underline; }
.hero-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
  padding: 22px;
  backdrop-filter: blur(2px);
}
.hero-card h3 { margin-top: 0; font-size: 15px; text-transform: uppercase; letter-spacing: 0.04em; color: #d8f0ec; }
.hero-card ol { margin: 0; padding-left: 20px; }
.hero-card li { margin-bottom: 10px; font-size: 14.5px; }

/* Sections ------------------------------------------------------------------ */
.section { padding: 52px 0; }
.section h2 { font-size: 26px; margin: 0 0 8px; }
.section .section-intro { color: var(--color-muted); max-width: 65ch; margin: 0 0 30px; }
.section-alt { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.card h3 { margin: 10px 0 8px; font-size: 16.5px; }
.card p { margin: 0; color: var(--color-muted); font-size: 14.5px; }
.card-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
}

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 20px; }
.step { position: relative; padding-left: 46px; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 15.5px; }
.step p { margin: 0; color: var(--color-muted); font-size: 14px; }

/* Info / warning boxes -------------------------------------------------------- */
.notice {
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 14.5px;
  border: 1px solid var(--color-border);
}
.notice-warn { background: var(--color-warn-bg); border-color: var(--color-warn-border); color: var(--color-warn-text); }
.notice-info { background: #eaf3fb; border-color: #b9d7ef; color: #0d3a63; }
.notice-danger { background: var(--color-danger-bg); border-color: #e2a89f; color: var(--color-danger); }
.notice-success { background: var(--color-success-bg); border-color: #a9d9c1; color: var(--color-success); }
.notice h4 { margin: 0 0 6px; font-size: 14.5px; }
.notice ul { margin: 6px 0 0; padding-left: 18px; }

/* Forms ---------------------------------------------------------------------- */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
  max-width: 640px;
}
label { display: block; font-weight: 600; font-size: 14px; margin: 16px 0 6px; }
label.first { margin-top: 0; }
.hint { font-weight: 400; color: var(--color-muted); font-size: 12.5px; }
input[type="text"], input[type="date"], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14.5px;
  background: #fff;
  color: var(--color-text);
}
textarea { resize: vertical; min-height: 90px; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap: 8px; margin-top: 6px; }
.checkbox-item { display: flex; align-items: center; gap: 8px; font-weight: 400; font-size: 14px; }
.checkbox-item input { width: auto; }
.form-error { color: var(--color-danger); font-size: 13.5px; margin-top: 10px; display: none; }
.form-actions { margin-top: 22px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* Waiting room ----------------------------------------------------------------- */
.waitroom-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
}
.pulse-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
  animation: pulse 1.4s ease-in-out infinite;
  margin-right: 8px;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}
.status-icon { display: flex; justify-content: center; color: var(--color-primary); }
.status-line { font-size: 17px; font-weight: 600; margin: 14px 0 6px; }
.status-sub { color: var(--color-muted); font-size: 14px; }

/* Video call --------------------------------------------------------------------- */
.call-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; align-items: start; }
.video-stage {
  background: #0d1b22;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/10;
}
.video-stage video { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-stage .remote-video { width: 100%; height: 100%; }
.video-stage .local-video {
  position: absolute; right: 14px; bottom: 14px;
  width: 26%; max-width: 190px;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255,255,255,0.6);
  background: #000;
}
.video-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: #cfe3e6; font-size: 14.5px; text-align: center; padding: 20px;
}
.call-controls {
  display: flex; gap: 10px; justify-content: center; margin-top: 14px;
}
.icon-btn {
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.icon-btn.active-off { background: var(--color-danger-bg); border-color: #e2a89f; }
.icon-btn.end-call { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }

.side-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px;
}
.side-panel h3 { margin-top: 0; font-size: 15px; }
.side-panel dl { margin: 0; }
.side-panel dt { font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-muted); margin-top: 12px; }
.side-panel dd { margin: 3px 0 0; font-size: 14.5px; }

/* Document (Muster-Krankschreibung) ------------------------------------------------ */
.document-sheet {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  box-shadow: var(--shadow-card);
}
.document-letterhead {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}
.document-letterhead .doc-logo {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.document-letterhead .doc-logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.document-letterhead .practice-name { font-weight: 700; font-size: 14.5px; }
.document-letterhead .practice-address { font-size: 12px; color: var(--color-muted); }

.document-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; flex-wrap: wrap; border-bottom: 2px solid var(--color-text); padding-bottom: 12px; margin-bottom: 16px; }
.document-header .doc-title { font-weight: 800; font-size: 17px; line-height: 1.25; word-break: break-word; }
.document-sheet dl { display: grid; grid-template-columns: 160px 1fr; row-gap: 8px; column-gap: 12px; font-size: 14.5px; }
.document-sheet dt { color: var(--color-muted); }
.document-sheet dd { margin: 0; font-weight: 600; }

.document-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}
.document-signature-block { flex: 1; }
.document-signature {
  font-family: 'Segoe Script', 'Brush Script MT', cursive;
  font-size: 24px;
  color: var(--color-text);
  margin-bottom: 2px;
}
.document-signature-line {
  border-top: 1px solid var(--color-text);
  padding-top: 4px;
  font-size: 11px;
  color: var(--color-muted);
  max-width: 220px;
}
.document-stamp {
  width: 88px; height: 88px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 8.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.3;
  transform: rotate(-9deg);
  opacity: 0.8;
  padding: 6px;
  flex-shrink: 0;
  margin-left: 16px;
}
.document-finePrint {
  font-size: 11px;
  color: var(--color-muted);
  margin-top: 16px;
  text-align: center;
}

/* Table (slots) ------------------------------------------------------------------- */
.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap: 10px; margin-top: 10px; }
.slot-btn {
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 13.5px;
  cursor: pointer;
  text-align: center;
}
.slot-btn:hover { border-color: var(--color-primary); }
.slot-btn.selected { border-color: var(--color-primary); background: #eaf3fb; font-weight: 700; }

/* Queue list (Arzt-Dashboard) -------------------------------------------------------- */
.queue-list { display: flex; flex-direction: column; gap: 12px; }
.queue-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.queue-item .tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}
.tag-krankschreibung { background: #eaf3fb; color: var(--color-primary-dark); }
.tag-sprechstunde { background: #e7f5ee; color: var(--color-success); }
.queue-item p { margin: 4px 0 0; color: var(--color-muted); font-size: 13.5px; max-width: 50ch; }
.queue-empty { text-align: center; color: var(--color-muted); padding: 40px 20px; }

/* Footer -------------------------------------------------------------------------- */
.site-footer {
  background: #142530;
  color: #b9ccd3;
  padding: 40px 0 24px;
  margin-top: 40px;
  font-size: 13.5px;
}
.site-footer a { color: #dff2ef; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 24px; }
.footer-grid h4 { color: #fff; font-size: 13.5px; margin: 0 0 10px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 28px; padding-top: 16px; color: #7f97a0; }

/* Utility -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.small { font-size: 13px; color: var(--color-muted); }
.badge {
  display: inline-block;
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-border);
  color: var(--color-warn-text);
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.page-header { padding: 36px 0 8px; }
.page-header h1 { font-size: 28px; margin: 0 0 8px; }
.page-header p { color: var(--color-muted); max-width: 65ch; }

@media (max-width: 800px) {
  .hero .container { grid-template-columns: 1fr; }
  .call-layout { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 2px;
    order: 3;
  }
  .main-nav.open { display: flex; }
  .site-header .container { padding-bottom: 10px; }
}