/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --color-primary:    #4e4e4e;
  --color-dark:       #303030;
  --color-accent:     #107ACA;
  --color-light-bg:   #f6f6f6;
  --color-white:      #ffffff;
  --color-text:       #777777;
  --color-text-muted: #777777;
  --color-border:     #dddddd;

  --font-main:        'Raleway', sans-serif;
  --font-body:        'Roboto', sans-serif;

  --header-height:    90px;
  --transition:       0.3s ease;
  --max-width:        1200px;

  --spacing-xs:       0.5rem;
  --spacing-sm:       1rem;
  --spacing-md:       2rem;
  --spacing-lg:       4rem;
  --spacing-xl:       6rem;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

*:focus {
  outline: none;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

/* ============================================================
   UTILITY
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-pad {
  padding: var(--spacing-xl) 0;
}

.section-label {
  font-family: var(--font-main);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.section-divider {
  height: 1px;
  width: 22px;
  background-color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.text-muted {
  color: var(--color-text-muted);
  font-size: inherit;
  line-height: 1.8;
  margin-top: var(--spacing-sm);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: none;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   LOGO
   ============================================================ */
.logo-wrap {
  display: flex;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-main);
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--color-dark);
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color var(--transition);
}

.logo-img {
  height: 48px;
  width: auto;
  display: block;
  transition: filter var(--transition);
}

.logo-link strong { font-weight: 700; }
.logo-name-thin   { font-weight: 300; }

/* ============================================================
   NAV-LINKS
   ============================================================ */
.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
}

.main-nav a {
  font-family: var(--font-main);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #aaaaaa;
  transition: color var(--transition), border-bottom-color var(--transition);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
}

.main-nav a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.main-nav a.nav-active {
  color: var(--color-dark);
  border-bottom-color: var(--color-dark);
}

/* ============================================================
   MOBILE MENU BUTTON
   ============================================================ */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1100;
  outline: none;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--color-dark);
  transition: all var(--transition);
  transform-origin: center;
}

.mobile-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO — Desktop
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/background.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

/* ============================================================
   MOBILE INFO-BOX
   ============================================================ */
.hero-mobile-info {
  display: none;
  background: var(--color-white);
  color: var(--color-text);
  padding: var(--spacing-md);
  font-size: 0.9rem;
  line-height: 1.8;
  border-top: 1px solid var(--color-border);
}

.hero-mobile-info p {
  margin-bottom: var(--spacing-sm);
}

.hero-mobile-info p:last-child {
  margin-bottom: 0;
}

.hero-mobile-info strong {
  font-family: var(--font-main);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: 4px;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--color-white);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.about-text {
  font-size: 0.95rem;
  color: var(--color-text);
  text-align: justify;
}

.about-text p        { margin-bottom: var(--spacing-sm); }
.about-text strong   { color: var(--color-primary); }

.about-images {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.about-images img {
  flex: 1 1 calc(33% - 8px);
  min-width: 100px;
  height: 200px;
  object-fit: cover;
  object-position: center top;
  border-radius: 2px;
  transition: transform var(--transition);
}

.about-images img:hover {
  transform: scale(1.02);
}

/* ── Bild-Wrapper mit Caption ───────────────────────────────
   .about-img-wrap umschließt aerztin.jpg / t_kaeffling.jpg + Caption
   ─────────────────────────────────────────────────────────── */
.about-img-wrap {
  flex: 1 1 calc(33% - 8px);
  min-width: 100px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ── Desktop-Bild (aerztin.jpg) ─────────────────────────── */
.about-img-wrap .about-img-desktop-img {
  flex: unset;
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center 60%;
  border-radius: 2px;
  transition: transform var(--transition);
}

.about-img-wrap .about-img-desktop-img:hover {
  transform: scale(1.02);
}

/* ── Mobile/Tablet-Bild (t_kaeffling.jpg) ───────────────────
   Gleiche Maße wie .about-img-desktop-img und die anderen
   Bilder in .about-images (height: 200px)
   ─────────────────────────────────────────────────────────── */
.about-img-wrap .about-img-mobile-img {
  flex: unset;
  width: 100%;
  height: 500px;               /* ← identisch mit den Nachbar-Bildern */
  object-fit: cover;
  object-position: center top;
  border-radius: 2px;
  transition: transform var(--transition);
}

.about-img-wrap .about-img-mobile-img:hover {
  transform: scale(1.02);
}

.about-img-caption {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-primary);
  line-height: 1.5;
  text-align: center;
}

.about-img-caption span {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ── Bild-Sichtbarkeit je Breakpoint ───────────────────────
   Desktop (> 1024px): aerztin.jpg sichtbar, t_kaeffling.jpg versteckt
   iPad & Mobile (≤ 1024px): t_kaeffling.jpg sichtbar, aerztin.jpg versteckt
   ─────────────────────────────────────────────────────────── */
.about-img-desktop { display: flex; }  /* Standard: sichtbar  */
.about-img-mobile  { display: none; }  /* Standard: versteckt */

/* ============================================================
   PARALLAX QUOTE
   ============================================================ */
.parallax-quote {
  position: relative;
  overflow: hidden;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.parallax-bg,
.parallax-bg-2 {
  position: absolute;
  inset: -60px 0;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.parallax-bg   { background-image: url('../assets/hg.png'); }
.parallax-bg-2 { background-image: url('../assets/hg.png'); }

.parallax-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.78);
  z-index: 1;
}

.parallax-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--spacing-md);
  max-width: 800px;
}

.parallax-content p {
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 300;
  letter-spacing: 1px;
  color: var(--color-primary);
  line-height: 1.9;
}

.parallax-content p strong {
  font-weight: 700;
  letter-spacing: 3px;
}

/* ============================================================
   PARALLAX CONTACT
   ============================================================ */
.parallax-contact {
  position: relative;
  overflow: hidden;
  padding: var(--spacing-lg) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  text-align: center;
  position: relative;
  z-index: 2;
}

.contact-grid--3 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 780px;
  margin: 0 auto;
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.contact-item i {
  font-size: 2rem;
  color: var(--color-primary);
}

.contact-item p {
  font-size: 0.88rem;
  color: var(--color-primary);
  line-height: 1.6;
}

.contact-item a {
  color: var(--color-primary);
  transition: color var(--transition);
}

.contact-item a:hover {
  color: var(--color-accent);
}

/* ============================================================
   MAP — ein-/ausklappbar
   ============================================================ */
.map-section {
  background: var(--color-light-bg);
}

.map-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 22px var(--spacing-md);
  background: var(--color-light-bg);
  border: none;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-main);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  cursor: pointer;
  outline: none;
  transition: background var(--transition), color var(--transition);
}

.map-toggle-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.map-toggle-btn i {
  font-size: 1rem;
}

.map-chevron {
  transition: transform var(--transition);
}

.map-toggle-btn[aria-expanded="true"] .map-chevron {
  transform: rotate(180deg);
}

.map-wrapper {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}

.map-wrapper.open {
  max-height: 420px;
}

.map-wrapper iframe {
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-white);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer-logo-text {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.footer-logo-text strong { font-weight: 700; }

.footer-copy {
  font-size: 0.78rem;
  color: #aaa;
  letter-spacing: 1px;
}

/* ============================================================
   FOOTER LEGAL
   ============================================================ */
.footer-legal {
  margin-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  text-align: left;
}

.legal-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.legal-heading {
  font-family: var(--font-main);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #aaa;
  margin-bottom: 10px;
}

.legal-subheading {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  color: #aaa;
  margin-top: 10px;
  text-transform: none;
  letter-spacing: 0;
}

.footer-legal p,
.footer-legal a {
  font-size: 10px;
  color: #aaa;
  line-height: 1.7;
}

.footer-legal a:hover {
  color: var(--color-accent);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 42px;
  height: 42px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), background var(--transition), transform var(--transition);
  z-index: 500;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

/* ============================================================
   FADE-IN ANIMATION
   ============================================================ */
.fade-in-init {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE — TABLET (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .contact-grid--3 {
    grid-template-columns: repeat(3, 1fr);
    max-width: 680px;
  }

  /* iPad & Tablet: Desktop-Wrapper ausblenden, Mobile-Wrapper einblenden */
  .about-img-desktop { display: none; }
  .about-img-mobile  { display: flex; }
}

/* ============================================================
   RESPONSIVE — MOBILE (max 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 70px;
    --spacing-xl: 3.5rem;
    --spacing-lg: 2.5rem;
  }

  .mobile-menu-btn { display: flex; }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-white);
    padding: calc(var(--header-height) + 20px) var(--spacing-md) var(--spacing-md);
    box-shadow: -4px 0 20px rgba(0,0,0,0.12);
    transition: right var(--transition);
    z-index: 1050;
  }

  .main-nav.open { right: 0; }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav a,
  .main-nav a.nav-active {
    display: block;
    font-size: 0.85rem;
    letter-spacing: 2px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-dark) !important;
  }

  .main-nav a.nav-active {
    color: var(--color-accent) !important;
  }

  .hero {
    height: calc(240px + var(--header-height));
    min-height: unset;
    padding-top: var(--header-height);
    margin-top: 0;
  }

  .hero-bg {
    background-image: url('../assets/background_ipad.jpg');
  }

  .hero-mobile-info {
    display: block;
  }

  /* Mobile: Mobile-Wrapper bleibt sichtbar (bereits durch 1024px-Query gesetzt) */
  .about-img-desktop { display: none; }
  .about-img-mobile  { display: flex; }

  .about-images { flex-direction: column; }

  .about-images img {
    width: 100%;
    height: 200px;
  }

  .contact-grid,
  .contact-grid--3 {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    max-width: 100%;
  }

  .logo-img { height: 36px; }

  .parallax-bg,
  .parallax-bg-2 {
    background-attachment: scroll;
    inset: 0;
  }

  .parallax-quote {
    height: auto;
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .footer-legal {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .map-wrapper.open {
    max-height: 300px;
  }

  .map-wrapper iframe {
    height: 300px;
  }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (max 480px)
   ============================================================ */
@media (max-width: 480px) {
  .contact-grid,
  .contact-grid--3 {
    grid-template-columns: 1fr;
  }
}