/*
  Modern Fancy Theme (Mobile-Menü Fix)
  - Farbverläufe + Transparenzen
  - Dezente Hover-/Focus-Effekte
  - Sticky Header + Overlay-Navigation für Mobile
*/

/* Design-Tokens */
:root {
  --accent-1: #7c3aed;   /* Violet */
  --accent-2: #06b6d4;   /* Cyan */
  --accent-3: #22d3ee;   /* Lighter Cyan */

  --bg-deep-1: #0b1220;
  --bg-deep-2: #0e1628;

  --text-on-dark: #f8fafc;
  --muted-on-dark: #cbd5e1;
  --text-on-light: #0f172a;

  --surface-alpha: rgba(255, 255, 255, 0.08);
  --card-alpha: rgba(255, 255, 255, 0.10);
  --border-alpha: rgba(255, 255, 255, 0.18);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.25);
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.28);

  --brand-gradient: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  --bg-gradient:
    radial-gradient(1200px 800px at -10% -20%, rgba(124, 58, 237, 0.35), transparent 60%),
    radial-gradient(1000px 700px at 110% 10%, rgba(6, 182, 212, 0.28), transparent 55%),
    linear-gradient(180deg, var(--bg-deep-1) 0%, var(--bg-deep-2) 100%);

  /* Header-Höhe für Mobile-Menü-Overlay */
  --header-h: clamp(56px, 9vw, 72px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  color: var(--text-on-dark);
  background: var(--bg-gradient) fixed;
  display: flex;
  flex-direction: column;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Medien */
.responsive-img {
  width: min(100%, 900px);
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

/* Cookie-Banner (Glassmorphism) */
#cookie-banner {
  position: sticky;
  bottom: 0;
  margin: 0;
  padding: 16px 20px;
  text-align: center;
  z-index: 2000;
  display: none; /* Wird per JS auf block gesetzt */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.85);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.18);
}

#cookie-banner p {
  margin: 0 0 10px 0;
  font-size: 0.95em;
  color: #0a0a0a !important;
}

/* Buttons (modern + dezent) */
#cookie-banner button {
  background: linear-gradient(180deg, #ffffff, #f7f7f7);
  color: #0a0a0a;
  border: 1px solid rgba(0,0,0,0.22);
  border-radius: var(--radius-pill);
  padding: 10px 16px;
  font-size: 0.95em;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

#cookie-banner button:hover,
#cookie-banner button:focus-visible {
  background: linear-gradient(180deg, #ffffff, #f2f2f2);
  border-color: rgba(0,0,0,0.28);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  outline: none;
  transform: translateY(-1px);
}

#cookie-banner button:active {
  transform: translateY(0);
  background-color: #ededed;
}

/* Google Maps Placeholder */
#google-maps {
  display: none;
}

/* Header (sticky + translucent) */
header {
  position: sticky;
  top: 0;
  z-index: 1100;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.55), rgba(15, 23, 42, 0.35));
  color: var(--text-on-dark);
  padding: 10px 0;
  min-height: var(--header-h);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-alpha);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 22px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-container a {
  color: var(--text-on-dark);
  text-decoration: none;
}

.header-container a:hover {
  text-decoration: none;
}

header h1 {
  font-size: clamp(1.25rem, 1.2rem + 0.5vw, 1.6rem);
  margin: 0;
  color: var(--text-on-dark);
  letter-spacing: 0.2px;
}

/* Call-Button (Pill, dezent) */
.call-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-on-dark);
  text-decoration: none;
  padding: 10px 16px;
  font-size: 1em;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.28);
  transition: background-color 0.18s ease, color 0.18s ease, box-shadow 0.2s ease, transform 0.15s ease, border-color 0.2s ease;
}

.call-button:hover,
.call-button:focus-visible {
  background: linear-gradient(90deg, rgba(124,58,237,0.16), rgba(6,182,212,0.16));
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.18), inset 0 0 0 1px rgba(255,255,255,0.25);
  color: #fff;
  outline: none;
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.35);
}

.call-button:active {
  transform: translateY(0);
}

.call-button i {
  font-size: 1.25em;
  color: currentColor;
}

/* Navigation (Desktop Defaults) */
nav {
  background: transparent;
  color: var(--text-on-dark);
  display: flex;
  justify-content: center;
  padding: 8px 0 12px;
  flex-wrap: wrap;
  transition: max-height 0.3s ease-out, background-color 0.2s ease, opacity 0.25s ease, transform 0.25s ease;
  gap: 6px 10px;
  border-bottom: 1px solid transparent;
}

nav a {
  color: var(--text-on-dark);
  margin: 0;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  transition: background-color 0.18s ease, color 0.18s ease, box-shadow 0.2s ease;
}

nav a:hover,
nav a:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  outline: none;
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.18);
}

nav a:active {
  transform: translateY(0);
}

/* Main Container (Card-Design) */
.container {
  flex: 1;
  margin: clamp(16px, 3.5vw, 28px) auto;
  margin-left: clamp(16px, 8vw, 10%) !important;
  margin-right: clamp(16px, 8vw, 10%) !important;
  padding: clamp(16px, 3vw, 28px);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-on-dark);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-alpha);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Typografie im Container */
.container h1, .container h2, .container h3, .container h4 {
  color: #ffffff;
  margin-top: 0;
}
.container p, .container li {
  color: var(--muted-on-dark);
}

/* Footer (Gradient + dezente Trennung) */
footer {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.75), rgba(6, 12, 24, 0.9));
  color: var(--text-on-dark);
  padding: 28px 0;
  font-size: 0.95em;
  border-top: 1px solid var(--border-alpha);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
}

.footer-column {
  flex: 1;
  min-width: 220px;
}

.footer-column h3 {
  margin-bottom: 10px;
  font-size: 1.1em;
  color: #fff;
  letter-spacing: 0.3px;
}

.footer-column p,
.footer-column ul,
.footer-column li {
  color: var(--muted-on-dark);
  font-size: 0.95em;
  line-height: 1.7;
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column ul li {
  margin: 6px 0;
}

/* Footer-Links weiß + zarter Hover */
.footer-column a {
  color: #fff;
  text-decoration: none;
  text-decoration-color: rgba(255, 255, 255, 0.55);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.18s ease, text-underline-offset 0.18s ease, color 0.18s ease, box-shadow 0.2s ease;
}

.footer-column a:visited,
.footer-column a:active {
  color: #fff;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.8);
  text-underline-offset: 3px;
  outline: none;
  box-shadow: 0 6px 18px rgba(6, 182, 212, 0.14);
}

/* Hamburger-Menü Button */
.hamburger {
  display: none;
  position: relative;
  z-index: 1300; /* über dem Overlay-Menü */
  flex-direction: column;
  cursor: pointer;
  padding: 10px;
  border-radius: var(--radius-sm);
  transition: background-color 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.08);
}

.hamburger div {
  width: 26px;
  height: 3px;
  background: #ffffff;
  margin: 4px 0;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* „X“-Animation für aktive Hamburger-States */
.hamburger.active div:nth-child(1),
.hamburger[aria-expanded="true"] div:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active div:nth-child(2),
.hamburger[aria-expanded="true"] div:nth-child(2) {
  opacity: 0;
}
.hamburger.active div:nth-child(3),
.hamburger[aria-expanded="true"] div:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Ansicht */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  /* Overlay-Menü: unter dem Sticky-Header, ohne display:none */
  nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 1200;
    display: block;             /* nicht ausblenden, wir steuern mit Opacity */
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    background: linear-gradient(180deg, rgba(15,23,42,0.85), rgba(6,12,24,0.95));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-alpha);
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
    max-height: calc(100vh - var(--header-h));
    overflow: auto;
    padding: 10px 8px 16px;
    gap: 0; /* Links werden block angezeigt */
  }

  nav.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  nav a {
    display: block;
    margin: 6px 10px;
    padding: 14px 16px;
    text-align: left;
    font-size: 1.05em;
    border-radius: var(--radius-md);
  }

  /* Damit Desktop-Layouteffekte im Overlay nicht stören */
  nav a:hover,
  nav a:focus-visible {
    background: rgba(255,255,255,0.10);
    box-shadow: none;
  }
}

/* Fokus-States global (Accessiblity) */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid transparent;
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.45);
  border-radius: 8px;
}

/* Motion-Preferences */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

/* Fix: Kanten/Ansatz am unteren Browserrand beim Laden */
html {
  /* Unterlage entspricht dem letzten Farbton des Gradients */
  background-color: var(--bg-deep-2);
}

/* Desktop darf den festen Hintergrund behalten */
body {
  background: var(--bg-gradient) fixed;
}

/* Mobile: kein background-attachment: fixed, um Artefakte zu vermeiden */
@media (hover: none), (pointer: coarse) {
  body {
    background: var(--bg-gradient);
    background-attachment: scroll;
    background-position: top center;
    background-size: auto;
  }
}

/* Viewport-Höhe stabilisieren (gegen Adressleisten-Shrink/Expand) */
@supports (height: 100svh) {
  body { min-height: 100svh; }
}
@supports (height: 100dvh) {
  body { min-height: 100dvh; } /* bevorzugt, wenn verfügbar */
}

/* Touch-Geräte: keine Hover-Effekte „kleben lassen“ */
@media (hover: none), (pointer: coarse) {
  nav a:hover { 
    background: transparent !important;
    box-shadow: none !important;
  }
  .hamburger:hover {
    background: transparent !important;
  }
}

/* Desktop/Trackpad: normale Hover-Optik beibehalten */
@media (hover: hover) and (pointer: fine) {
  nav a:hover,
  nav a:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.18);
  }
}

/* Tap-Highlight entfernen (iOS/Android) */
a, button, .hamburger {
  -webkit-tap-highlight-color: transparent;
}

/* Optional: „aktive“ Press-Optik nur sehr dezent */
nav a:active {
  transform: translateY(0); /* kein klebender Versatz */
}

/* Touch: Hover/Fokus vom Call-Button neutralisieren, kein klebender Zustand */
@media (hover: none), (pointer: coarse) {
  .call-button {
    -webkit-tap-highlight-color: transparent;
  }
  .call-button:hover,
  .call-button:focus,
  .call-button:focus-visible {
    background: transparent !important;
    box-shadow: none !important;
    border-color: rgba(255, 255, 255, 0.28) !important;
    outline: none !important;
  }
  /* Optional: ganz dezentes Tap-Feedback nur während des Taps */
  .call-button:active {
    background: rgba(255, 255, 255, 0.08);
    transform: none;            /* kein „klebender“ Versatz */
    transition-duration: 80ms;  /* sehr kurze Rückkehr */
  }
}

/* Desktop/Trackpad: Hover-/Focus-visible normal beibehalten */
@media (hover: hover) and (pointer: fine) {
  .call-button:hover,
  .call-button:focus-visible {
    background: linear-gradient(90deg, rgba(124,58,237,0.16), rgba(6,182,212,0.16));
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.18), inset 0 0 0 1px rgba(255,255,255,0.25);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.35);
  }
  .call-button:active { transform: translateY(0); }
}