/* =========================================================================
   Online-Exposé – Wohnhaus August-Bebel-Straße 152, 21029 Hamburg
   Gesamtes Design in dieser Datei. Schlicht in Blau / Weiß / Grau.
   Mobile-first, responsive (Smartphone / Tablet / Laptop).
   Keine Cookies, kein Tracking.
   ========================================================================= */

/* ---- Farb- und Design-Variablen ---------------------------------------- */
:root {
  --blau-900: #0b3d66;
  --blau-700: #145a9e;
  --blau-500: #1f74c4;
  --blau-100: #e8f1fa;

  --grau-900: #22272b;
  --grau-700: #444b52;
  --grau-500: #6b737b;
  --grau-300: #c7ccd1;
  --grau-100: #eef1f4;

  --weiss: #ffffff;

  --farbe-text: var(--grau-900);
  --farbe-text-leise: var(--grau-500);
  --farbe-primaer: var(--blau-700);
  --farbe-primaer-hover: var(--blau-900);
  --farbe-flaeche: var(--weiss);
  --farbe-flaeche-alt: var(--grau-100);
  --farbe-linie: var(--grau-300);

  --breite-inhalt: 1120px;
  --radius: 10px;
  --schatten: 0 2px 8px rgba(11, 61, 102, 0.08);
  --schatten-hover: 0 6px 18px rgba(11, 61, 102, 0.14);
  --abstand: 1rem;
  --fokus: 3px solid var(--blau-500);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--farbe-text);
  background: var(--farbe-flaeche-alt);
  -webkit-text-size-adjust: 100%;
}

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

a {
  color: var(--farbe-primaer);
}

a:hover {
  color: var(--farbe-primaer-hover);
}

h1,
h2,
h3 {
  line-height: 1.25;
  color: var(--blau-900);
  margin: 0 0 0.5em;
}

p {
  margin: 0 0 1em;
}

/* Sichtbarer Fokus für Tastaturbedienung (Barrierefreiheit) */
a:focus-visible,
button:focus-visible,
:focus-visible {
  outline: var(--fokus);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Skip-Link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blau-900);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 200;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
}

/* Nur für Screenreader */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Layout-Container --------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--breite-inhalt);
  margin: 0 auto;
  padding: 0 1rem;
}

main {
  display: block;
  padding: 2rem 0 3rem;
}

.section {
  margin-bottom: 2.5rem;
}

/* ---- Kopfzeile / Navigation -------------------------------------------- */
.site-header {
  background: var(--weiss);
  border-bottom: 1px solid var(--farbe-linie);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--breite-inhalt);
  margin: 0 auto;
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--blau-900);
  line-height: 1.15;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-sub {
  font-size: 0.8rem;
  color: var(--farbe-text-leise);
}

/* Hamburger-Button (nur mobil sichtbar) */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--farbe-linie);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--blau-900);
  border-radius: 2px;
}

.primary-nav {
  width: 100%;
}

/* Mobil: Navigation eingeklappt, per JS aufklappbar */
.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: 0.75rem;
}

.primary-nav.is-open .nav-list {
  display: flex;
}

.nav-list a,
.dropdown-toggle {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.75rem;
  text-decoration: none;
  color: var(--grau-900);
  background: transparent;
  border: none;
  border-radius: var(--radius);
  font: inherit;
  cursor: pointer;
}

.nav-list a:hover,
.dropdown-toggle:hover {
  background: var(--blau-100);
  color: var(--blau-900);
}

.nav-list a[aria-current="page"] {
  background: var(--blau-100);
  color: var(--blau-900);
  font-weight: 700;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dropdown-toggle::after {
  content: "";
  width: 0.55em;
  height: 0.55em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-left: 0.5em;
  transition: transform 0.15s ease;
}

.dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.dropdown-menu {
  list-style: none;
  margin: 0.2rem 0 0.2rem 0.5rem;
  padding: 0 0 0 0.5rem;
  border-left: 2px solid var(--farbe-linie);
  display: none;
}

.has-dropdown.is-open > .dropdown-menu {
  display: block;
}

/* ---- Hero / Seitenkopf -------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, var(--blau-700), var(--blau-900));
  color: #fff;
}

.hero-inner {
  max-width: var(--breite-inhalt);
  margin: 0 auto;
  padding: 2.5rem 1rem;
}

.hero h1 {
  color: #fff;
  margin-bottom: 0.4rem;
}

.hero p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  max-width: 60ch;
}

.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: #fff;
}

/* ---- Vollbreites Objektbild -------------------------------------------- */
.hero-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--farbe-linie);
  box-shadow: var(--schatten);
  background: var(--grau-100);
}

/* ---- Akkordeon (einklappbare Themenblöcke) ----------------------------- */
.accordion {
  display: grid;
  gap: 0.75rem;
}

.acc {
  background: var(--farbe-flaeche);
  border: 1px solid var(--farbe-linie);
  border-radius: var(--radius);
  box-shadow: var(--schatten);
  overflow: hidden;
}

.acc > summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blau-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.acc > summary::-webkit-details-marker {
  display: none;
}

.acc > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 0.7em;
  height: 0.7em;
  border-right: 2px solid var(--blau-500);
  border-bottom: 2px solid var(--blau-500);
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}

.acc[open] > summary::after {
  transform: rotate(-135deg);
}

.acc > summary:hover {
  background: var(--blau-100);
}

.acc-body {
  padding: 0 1.1rem 1.25rem;
  border-top: 1px solid var(--farbe-linie);
}

.acc-body > :first-child {
  margin-top: 1rem;
}

/* ---- Karten (Wohnungsübersicht) ---------------------------------------- */.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.card {
  background: var(--farbe-flaeche);
  border: 1px solid var(--farbe-linie);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--schatten);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card:hover,
.card:focus-within {
  box-shadow: var(--schatten-hover);
  transform: translateY(-2px);
}

.card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
  background: var(--grau-100);
}

.card-body {
  padding: 1rem 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.card-body h3 {
  margin: 0;
}

.card-meta {
  color: var(--farbe-text-leise);
  font-size: 0.9rem;
  margin: 0;
}

/* Statusfähnchen */
.badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--blau-100);
  color: var(--blau-900);
  align-self: flex-start;
}

.badge--frei {
  background: #e2f3e8;
  color: #1c6b3a;
}

.badge--vermietet {
  background: var(--grau-100);
  color: var(--grau-700);
}

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--farbe-primaer);
  color: #fff;
}

.btn--primary:hover {
  background: var(--farbe-primaer-hover);
  color: #fff;
}

.btn--outline {
  background: transparent;
  border-color: var(--farbe-primaer);
  color: var(--farbe-primaer);
}

.btn--outline:hover {
  background: var(--blau-100);
}

.actions {
  margin-top: auto;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* ---- Inhaltsblöcke / Panels -------------------------------------------- */
.panel {
  background: var(--farbe-flaeche);
  border: 1px solid var(--farbe-linie);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem;
  box-shadow: var(--schatten);
}

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* Eckdaten-Liste */
.facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem 1rem;
}

.facts li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--farbe-linie);
}

.facts .label {
  color: var(--farbe-text-leise);
}

.facts .value {
  font-weight: 600;
  text-align: right;
}

/* Ausstattungsliste */
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}

.feature-list li {
  padding-left: 1.6rem;
  position: relative;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.55rem;
  height: 0.9rem;
  border-right: 2px solid var(--blau-500);
  border-bottom: 2px solid var(--blau-500);
  transform: rotate(45deg);
}

/* Galerie-Platzhalter */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.gallery img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--grau-100);
}

/* ---- Downloadbereich ---------------------------------------------------- */
.download-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.download-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.1rem;
  background: var(--farbe-flaeche);
  border: 1px solid var(--farbe-linie);
  border-radius: var(--radius);
  box-shadow: var(--schatten);
  flex-wrap: wrap;
}

.download-item .file-info {
  flex: 1;
  min-width: 12rem;
}

.download-item .file-name {
  font-weight: 700;
  color: var(--blau-900);
}

.download-item .file-meta {
  font-size: 0.85rem;
  color: var(--farbe-text-leise);
}

.file-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--blau-100);
  color: var(--blau-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}

/* ---- Kontaktbox --------------------------------------------------------- */
.contact-box {
  background: var(--blau-100);
  border: 1px solid var(--blau-500);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.contact-box h2 {
  margin-top: 0;
}

/* ---- Fußzeile ----------------------------------------------------------- */
.site-footer {
  background: var(--grau-900);
  color: #d7dce1;
  margin-top: 2rem;
}

.footer-inner {
  max-width: var(--breite-inhalt);
  margin: 0 auto;
  padding: 2rem 1rem 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.site-footer a {
  color: #fff;
}

.site-footer strong {
  color: #fff;
}

.footer-copy {
  max-width: var(--breite-inhalt);
  margin: 0 auto;
  padding: 0.75rem 1rem 1.5rem;
  font-size: 0.82rem;
  color: #aab2ba;
  border-top: 1px solid #3a4147;
}

/* ---- Responsive: Tablet ------------------------------------------------- */
@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .facts {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Responsive: Laptop / Desktop -------------------------------------- */
@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }

  .primary-nav {
    width: auto;
  }

  .nav-list {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    padding-top: 0;
  }

  .nav-list a,
  .dropdown-toggle {
    width: auto;
  }

  /* Dropdown als Flyout auf großen Bildschirmen */
  .has-dropdown {
    position: relative;
  }

  .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 12rem;
    margin: 0;
    padding: 0.35rem;
    background: var(--weiss);
    border: 1px solid var(--farbe-linie);
    border-radius: var(--radius);
    box-shadow: var(--schatten-hover);
    z-index: 120;
  }

  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .split {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }

  .split--wide-left {
    grid-template-columns: 1fr 1.2fr;
  }
}

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