/* =========================================================
   IQ-Plus Digital – Haupt-Stylesheet
   Design-Tokens, Basis, Header, Footer, wiederverwendbare
   Komponenten. Bootstrap 5 wird per CDN eingebunden und hier
   überschrieben/ergänzt.
   ========================================================= */

:root {
  /* Farben */
  --iq-primary: #3F8DEF;
  --iq-primary-dark: #2C6FC6;
  --iq-primary-light: #8FC0FF;
  --iq-navy: #0F1E3D;
  --iq-navy-soft: #16274B;
  --iq-accent: #FF9640;
  --iq-accent-dark: #E67B23;
  --iq-bg: #FFFFFF;
  --iq-bg-alt: #F2F7FF;
  --iq-bg-chip: #E7F1FF;
  --iq-text: #16213C;
  --iq-text-muted: #5B6A85;
  --iq-border: #DCE6F5;

  /* Typografie */
  --iq-font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --iq-font-body: "Inter", "Segoe UI", sans-serif;
  --iq-font-mono: "JetBrains Mono", "Courier New", monospace;

  /* Sonstiges */
  --iq-radius: 14px;
  --iq-radius-sm: 8px;
  --iq-header-h: 76px;
  --iq-shadow: 0 10px 30px -12px rgba(15, 30, 61, 0.18);
  --iq-shadow-sm: 0 4px 14px -6px rgba(15, 30, 61, 0.14);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--iq-header-h) + 16px);
}

body {
  font-family: var(--iq-font-body);
  color: var(--iq-text);
  background: var(--iq-bg);
  padding-top: var(--iq-header-h);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.iq-main {
  flex: 1 0 auto;
}

.iq-footer {
  flex-shrink: 0;
}

h1, h2, h3, h4, h5, h6,
.font-display {
  font-family: var(--iq-font-display);
  font-weight: 600;
  color: var(--iq-navy);
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--iq-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iq-primary);
  font-weight: 600;
}

a { color: var(--iq-primary); }
a:hover { color: var(--iq-primary-dark); }

.text-muted-iq { color: var(--iq-text-muted); }
.bg-alt { background: var(--iq-bg-alt); }
.bg-chip { background: var(--iq-bg-chip); }
.bg-navy { background: var(--iq-navy); }

::selection { background: var(--iq-primary); color: #fff; }

/* Fokus-Sichtbarkeit (Barrierefreiheit) */
a:focus-visible, button:focus-visible, .btn:focus-visible,
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--iq-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* =========================================================
   Header – fest / sticky
   ========================================================= */
.iq-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--iq-header-h);
  z-index: 1030;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--iq-border);
  transition: box-shadow .25s ease, background .25s ease;
}
.iq-header.is-scrolled {
  box-shadow: var(--iq-shadow-sm);
}
.iq-header .navbar-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.iq-header .navbar-brand img {
  height: 48px;
  width: auto;
  display: block;
}
.iq-header .nav-link {
  font-weight: 500;
  color: var(--iq-text);
  padding: .5rem 1rem !important;
  position: relative;
}
.iq-header .nav-link.active,
.iq-header .nav-link:hover {
  color: var(--iq-primary);
}
.iq-header .nav-link.active::after {
  content: "";
  position: absolute;
  left: 1rem; right: 1rem; bottom: .2rem;
  height: 2px;
  background: var(--iq-primary);
  border-radius: 2px;
}
.iq-header .btn-cta {
  white-space: nowrap;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn-iq-primary {
  background: var(--iq-primary);
  border-color: var(--iq-primary);
  color: #fff;
  font-weight: 600;
  border-radius: 999px;
  padding: .65rem 1.5rem;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  box-shadow: 0 8px 20px -8px rgba(63, 141, 239, 0.55);
}
.btn-iq-primary:hover {
  background: var(--iq-primary-dark);
  border-color: var(--iq-primary-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn-iq-outline {
  background: transparent;
  border: 1.5px solid var(--iq-navy);
  color: var(--iq-navy);
  font-weight: 600;
  border-radius: 999px;
  padding: .65rem 1.5rem;
  transition: all .15s ease;
}
.btn-iq-outline:hover {
  background: var(--iq-navy);
  color: #fff;
}
.btn-iq-accent {
  background: var(--iq-accent);
  border-color: var(--iq-accent);
  color: var(--iq-navy);
  font-weight: 700;
  border-radius: 999px;
  padding: .65rem 1.5rem;
  box-shadow: 0 8px 20px -8px rgba(255, 150, 64, 0.55);
}
.btn-iq-accent:hover {
  background: var(--iq-accent-dark);
  border-color: var(--iq-accent-dark);
  color: var(--iq-navy);
}

/* =========================================================
   Circuit-Signatur – Motiv aus dem Logo abgeleitet
   ========================================================= */
.iq-circuit-line {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.iq-circuit-line svg { width: 100%; height: 100%; }
.iq-node { fill: var(--iq-primary); }
.iq-node-accent { fill: var(--iq-accent); }
.iq-path { fill: none; stroke: var(--iq-primary-light); stroke-width: 2; stroke-dasharray: 4 7; stroke-linecap: round; opacity: .55; }

/* =========================================================
   Hero
   ========================================================= */
.iq-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--iq-bg-alt) 0%, #ffffff 72%);
}
.iq-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--iq-bg-chip);
  color: var(--iq-primary-dark);
  border-radius: 999px;
  padding: .4rem .9rem;
  font-family: var(--iq-font-mono);
  font-size: .8rem;
  font-weight: 600;
}
.iq-hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.08;
}
.iq-hero .lead {
  color: var(--iq-text-muted);
  font-size: 1.15rem;
}

/* Mock-Browser Illustration im Hero */
.iq-browser-mock {
  border-radius: var(--iq-radius);
  background: #fff;
  border: 1px solid var(--iq-border);
  box-shadow: var(--iq-shadow);
  overflow: hidden;
}
.iq-browser-mock .iq-browser-bar {
  display: flex;
  align-items: center;
  gap: .35rem;
  padding: .6rem .8rem;
  background: var(--iq-navy);
}
.iq-browser-mock .iq-browser-bar span {
  width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.35);
}
.iq-browser-mock .iq-browser-body {
  padding: 1.4rem;
}

/* =========================================================
   Sections / Cards
   ========================================================= */
.iq-section { padding: 5rem 0; }
@media (max-width: 767.98px) { .iq-section { padding: 3.25rem 0; } }

.iq-card {
  background: #fff;
  border: 1px solid var(--iq-border);
  border-radius: var(--iq-radius);
  padding: 1.9rem;
  height: 100%;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.iq-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--iq-shadow);
  border-color: transparent;
}
.iq-card .iq-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--iq-bg-chip);
  display: flex; align-items: center; justify-content: center;
  color: var(--iq-primary);
  margin-bottom: 1.1rem;
}

/* Muster- / Fibel-Karten mit Browser-Vorschau */
.iq-preview-card {
  background: #fff;
  border: 1px solid var(--iq-border);
  border-radius: var(--iq-radius);
  overflow: hidden;
  height: 100%;
  transition: transform .2s ease, box-shadow .2s ease;
}
.iq-preview-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--iq-shadow);
}
.iq-preview-thumb {
  aspect-ratio: 16/10;
  position: relative;
  overflow: hidden;
}
.iq-preview-thumb .iq-browser-bar { position: relative; z-index: 2; }
.iq-thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.iq-preview-body { padding: 1.4rem 1.5rem 1.6rem; }
.iq-tag {
  display: inline-block;
  font-family: var(--iq-font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  background: var(--iq-bg-chip);
  color: var(--iq-primary-dark);
  border-radius: 6px;
  padding: .2rem .55rem;
  margin: 0 .3rem .3rem 0;
}

/* Foto-Platzhalter (Hochformat) für "Über mich" */
.iq-photo-placeholder {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--iq-radius);
  border: 2px dashed var(--iq-primary-light);
  background: var(--iq-bg-chip);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  color: var(--iq-primary-dark);
  text-align: center;
  padding: 1rem;
}
.iq-photo-placeholder i { font-size: 3rem; opacity: .7; }
.iq-photo-placeholder span { font-family: var(--iq-font-mono); font-size: .78rem; line-height: 1.4; }

/* Foto-Slider (Bootstrap Carousel, Hochformat 3 Bilder) */
.iq-photo-carousel {
  width: 100%;
  max-width: 260px;
  border-radius: var(--iq-radius);
  overflow: hidden;
  box-shadow: var(--iq-shadow-sm);
}
.iq-photo-carousel .carousel-inner,
.iq-photo-carousel .carousel-item {
  aspect-ratio: 3 / 4;
}
.iq-photo-carousel .carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.iq-carousel-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.iq-photo-carousel .carousel-control-prev,
.iq-photo-carousel .carousel-control-next {
  width: 34px;
  height: 34px;
  top: 50%;
  bottom: auto;
  transform: translateY(-50%);
  background: var(--iq-primary);
  border-radius: 50%;
  opacity: .85;
  transition: opacity .15s ease, background .15s ease;
}
.iq-photo-carousel .carousel-control-prev { left: 10px; }
.iq-photo-carousel .carousel-control-next { right: 10px; }
.iq-photo-carousel .carousel-control-prev:hover,
.iq-photo-carousel .carousel-control-next:hover { opacity: 1; background: var(--iq-primary-dark); }
.iq-photo-carousel .carousel-control-prev-icon,
.iq-photo-carousel .carousel-control-next-icon {
  width: 14px;
  height: 14px;
}
.iq-photo-carousel .carousel-indicators {
  margin-bottom: .6rem;
}
.iq-photo-carousel .carousel-indicators [data-bs-target] {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background-color: var(--iq-primary-light);
  box-shadow: 0 0 0 1px rgba(15, 30, 61, 0.15);
  opacity: 1;
}
.iq-photo-carousel .carousel-indicators .active {
  background-color: var(--iq-primary);
}

/* Hobby-Karte neben/unter der Timeline */
.iq-hobby-card {
  background: #fff;
  border: 1px solid var(--iq-border);
  border-radius: var(--iq-radius);
  padding: 1.4rem 1.6rem;
}

/* Timeline (31 Jahre Erfahrung) */
.iq-timeline { position: relative; padding-left: 2.4rem; }
.iq-timeline::before {
  content: "";
  position: absolute; left: 9px; top: 6px; bottom: 6px;
  width: 2px;
  background: repeating-linear-gradient(180deg, var(--iq-primary-light) 0 6px, transparent 6px 11px);
}
.iq-timeline-item { position: relative; padding-bottom: 1.9rem; }
.iq-timeline-item:last-child { padding-bottom: 0; }
.iq-timeline-item::before {
  content: "";
  position: absolute; left: -2.4rem; top: .2rem;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 3px solid var(--iq-primary);
}
.iq-timeline-item h3 { font-size: 1.05rem; margin-bottom: .25rem; }

/* =========================================================
   Formular (Kontakt)
   ========================================================= */
.iq-form .form-label { font-weight: 600; color: var(--iq-navy); }
.iq-form .form-control,
.iq-form .form-select {
  border-radius: var(--iq-radius-sm);
  border: 1.5px solid var(--iq-border);
  padding: .7rem .9rem;
}
.iq-form .form-control:focus,
.iq-form .form-select:focus {
  border-color: var(--iq-primary);
  box-shadow: 0 0 0 .2rem rgba(63,141,239,.18);
}
.iq-form .form-check-input:checked {
  background-color: var(--iq-primary);
  border-color: var(--iq-primary);
}

/* =========================================================
   Footer
   ========================================================= */
.iq-footer {
  background: var(--iq-navy);
  color: rgba(255,255,255,.78);
  position: relative;
  overflow: hidden;
}
.iq-footer a { color: rgba(255,255,255,.78); text-decoration: none; }
.iq-footer a:hover { color: #fff; text-decoration: underline; }
.iq-footer h5 {
  color: #fff;
  font-size: .92rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-family: var(--iq-font-mono);
  margin-bottom: 1.1rem;
}
.iq-footer-logo-badge {
  display: inline-flex;
  background: #fff;
  border-radius: var(--iq-radius-sm);
  padding: .55rem .9rem;
}
.iq-footer-logo-badge img { height: 42px; width: auto; display: block; }
.iq-footer hr { border-color: rgba(255,255,255,.14); }
.iq-footer .small-print { font-size: .85rem; color: rgba(255,255,255,.55); }
.iq-social-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08);
  color: #fff;
  transition: background .15s ease;
}
.iq-social-btn:hover { background: var(--iq-primary); color: #fff; }

/* =========================================================
   Scroll-to-top
   ========================================================= */
.iq-scrolltop {
  position: fixed;
  right: 1.4rem; bottom: 1.4rem;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--iq-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--iq-shadow);
  border: none;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all .25s ease;
  z-index: 1040;
}
.iq-scrolltop.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.iq-scrolltop:hover { background: var(--iq-primary-dark); }

/* =========================================================
   Rechtsseiten (AGB / Datenschutz / Impressum)
   ========================================================= */
.iq-legal h2 {
  font-size: 1.3rem;
  margin-top: 2.2rem;
  padding-top: .4rem;
}
.iq-legal h2:first-of-type { margin-top: 0; }
.iq-legal p, .iq-legal li { color: var(--iq-text-muted); }
.iq-legal .iq-legal-toc {
  background: var(--iq-bg-alt);
  border-radius: var(--iq-radius);
  padding: 1.4rem 1.6rem;
}
.iq-legal .iq-legal-toc a { display: block; padding: .2rem 0; }
.placeholder-fill {
  background: #FFF4E5;
  color: #9A5B00;
  padding: .05rem .35rem;
  border-radius: 4px;
  font-family: var(--iq-font-mono);
  font-size: .88em;
}

/* Seitentitel-Bereich für Unterseiten */
.iq-page-hero {
  background: var(--iq-bg-alt);
  padding: 3.4rem 0 2.6rem;
  position: relative;
  overflow: hidden;
}
.iq-breadcrumb-mono {
  font-family: var(--iq-font-mono);
  font-size: .8rem;
  color: var(--iq-primary-dark);
}