/* =========================================================
   Wohnhaus Lengnau — Verkaufsdossier
   ========================================================= */

:root {
  --color-bg: #faf7f2;
  --color-bg-alt: #f2ede4;
  --color-text: #2b2621;
  --color-text-muted: #6b6259;
  --color-accent: #8a6d4f;
  --color-line: #ddd5c8;
  --color-dark: #211d19;

  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1180px;
  --gap: clamp(1.5rem, 4vw, 4rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

h1, h2 { font-family: var(--font-serif); font-weight: 500; line-height: 1.15; }

h2 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); margin-bottom: 1.1rem; }

section, header, footer { position: relative; }

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Shared bits ---------- */
.section-label {
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: .9rem;
}
.section-label--light { color: #cbb896; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 3.5rem; padding: 0 var(--gap); }
.section-head__text { color: var(--color-text-muted); margin-top: -.3rem; }

.btn {
  display: inline-block;
  padding: .9rem 2.1rem;
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  transition: background .3s ease, color .3s ease;
}
.btn--ghost { color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--color-dark); }
.btn--ghost-outline { color: #fff; border-color: rgba(255,255,255,.45); }
.btn--ghost-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--light { background: #fff; color: var(--color-dark); border-color: #fff; }
.btn--light:hover { background: transparent; color: #fff; }
.btn--outline {
  background: none;
  border-color: var(--color-line);
  color: var(--color-text);
  cursor: pointer;
}
.btn--outline:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.4rem 0;
  transition: background .4s ease, padding .4s ease, box-shadow .4s ease;
}
.nav.is-scrolled {
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(8px);
  padding: .9rem 0;
  box-shadow: 0 1px 0 var(--color-line);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  letter-spacing: .04em;
  color: #fff;
  transition: color .4s ease;
}
.nav.is-scrolled .nav__logo { color: var(--color-text); }
.nav__logo span { color: var(--color-accent); }

.nav__menu { display: flex; align-items: center; gap: 2.2rem; }
.nav__menu a {
  font-size: .82rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #fff;
  transition: color .4s ease, opacity .2s ease;
  opacity: .9;
}
.nav__menu a:hover { opacity: 1; color: var(--color-accent); }
.nav.is-scrolled .nav__menu a { color: var(--color-text); }
.nav__cta {
  border: 1px solid rgba(255,255,255,.6);
  padding: .55rem 1.2rem;
}
.nav.is-scrolled .nav__cta { border-color: var(--color-line); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px; height: 22px;
  background: none; border: none; cursor: pointer;
  z-index: 110;
}
.nav__toggle span {
  display: block; height: 2px; width: 100%;
  background: #fff;
  transition: background .3s ease, transform .3s ease, opacity .3s ease;
}
.nav.is-scrolled .nav__toggle span { background: var(--color-text); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  height: 100vh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url("../images/hero.jpg") center center / cover no-repeat;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,17,14,.35) 0%, rgba(20,17,14,.15) 40%, rgba(20,17,14,.55) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 1.5rem;
}
.eyebrow {
  font-size: .8rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  color: #e7dcc9;
}
.hero__title {
  font-size: clamp(1.9rem, 9vw, 5.2rem);
  margin-bottom: 1rem;
  overflow-wrap: break-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}
.hero__subtitle {
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: #f1ece3;
  margin-bottom: 1.6rem;
  font-weight: 300;
}
.hero__price {
  margin-bottom: 2.2rem;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  letter-spacing: .02em;
  color: #fff;
}
.hero__price span {
  display: block;
  font-family: var(--font-sans);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #cbb896;
  margin-bottom: .5rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .9rem;
  margin-top: .5rem;
}

.scroll-cue {
  position: absolute;
  bottom: 2.2rem; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px; height: 42px;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 20px;
}
.scroll-cue span {
  position: absolute; top: 7px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  background: #fff;
  border-radius: 2px;
  animation: scrollCue 1.8s ease infinite;
}
@keyframes scrollCue {
  0% { opacity: 1; transform: translateY(0); }
  70% { opacity: 0; transform: translateY(14px); }
  100% { opacity: 0; transform: translateY(14px); }
}

/* =========================================================
   FAKTEN
   ========================================================= */
.facts {
  background: var(--color-dark);
  color: #fff;
  padding: clamp(2.5rem, 5vw, 4rem) var(--gap);
}
.facts__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
}
.fact {
  padding: 1rem 0.5rem;
  border-right: 1px solid rgba(255,255,255,.12);
}
.fact:last-child { border-right: none; }
.fact__value {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: #f1ece3;
}
.fact__value small { font-size: .55em; margin-left: .15em; color: #cbb896; }
.fact__label {
  display: block;
  margin-top: .4rem;
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #b6ab9c;
}

/* =========================================================
   INTRO / DAS HAUS
   ========================================================= */
.intro {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 7rem) var(--gap);
}
.intro__top {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--gap);
  align-items: start;
}
.intro__text p { color: var(--color-text-muted); margin-bottom: 1.6rem; max-width: 50ch; }
.intro__image {
  position: relative;
}
.intro__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/5;
}
.intro__highlights-block {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: clamp(2.5rem, 5vw, 3rem);
  border-top: 1px solid var(--color-line);
}
.intro__highlights-block h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.3rem;
  margin-bottom: 1.4rem;
}
.intro__highlights-list {
  column-count: 2;
  column-gap: 3rem;
  list-style: none;
}
.intro__highlights-list li {
  break-inside: avoid;
  padding: .6rem 0;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-text-muted);
  font-size: .92rem;
  line-height: 1.5;
}

/* =========================================================
   GALERIE
   ========================================================= */
.gallery { padding: clamp(3rem, 7vw, 5rem) var(--gap) clamp(4rem, 8vw, 6rem); background: var(--color-bg-alt); }
.gallery__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 260px;
  grid-auto-flow: dense;
  gap: 1rem;
}
.gallery__item--extra {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease;
}
.gallery__item--extra.is-visible { opacity: 1; transform: translateY(0); }
.gallery__more { text-align: center; margin-top: 2.5rem; }
.gallery__item {
  position: relative;
  overflow: hidden;
  border: none;
  padding: 0;
  cursor: pointer;
  background: none;
}
.gallery__item--wide { grid-column: span 2; }
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.gallery__item:hover img { transform: scale(1.05); }
.gallery__item::after {
  content: "";
  position: absolute; inset: 0;
  background: rgba(33,29,25,0);
  transition: background .3s ease;
}
.gallery__item:hover::after { background: rgba(33,29,25,.08); }

.stage-toggle {
  position: absolute;
  z-index: 3;
  bottom: .7rem;
  left: 50%;
  transform: translateX(-50%);
  padding: .45rem 1.1rem;
  font-family: var(--font-sans);
  font-size: .68rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  white-space: nowrap;
  background: rgba(20,17,14,.72);
  color: #fff;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s ease;
}
.stage-toggle:hover { background: rgba(20,17,14,.92); }

/* =========================================================
   3D-RUNDGANG
   ========================================================= */
.tour { padding: clamp(4.5rem, 9vw, 7rem) var(--gap); }
.tour__frame {
  max-width: var(--container);
  margin: 0 auto;
  border: 1px solid var(--color-line);
  padding: clamp(1rem, 3vw, 2rem);
}
.tour__frame iframe {
  display: block;
  width: 100%;
  aspect-ratio: 853 / 480;
  border: none;
}

/* =========================================================
   GRUNDRISS
   ========================================================= */
.floorplan { padding: clamp(4.5rem, 9vw, 7rem) var(--gap); }
.floorplan__tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .75rem;
  margin-bottom: 2.5rem;
}
.floorplan__tab {
  background: none;
  border: 1px solid var(--color-line);
  padding: .65rem 1.5rem;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all .25s ease;
}
.floorplan__tab.is-active,
.floorplan__tab:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
  background: var(--color-bg-alt);
}
.floorplan__frame {
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--color-line);
  padding: clamp(1rem, 3vw, 2rem);
}
.floorplan__frame img { width: 100%; }

.floorplan__rooms {
  max-width: var(--container);
  margin: 3.5rem auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}
.floorplan__note {
  text-align: center;
  margin-top: 2rem;
  font-size: .85rem;
  color: var(--color-text-muted);
}
.rooms__col h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.15rem;
  margin-bottom: 1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--color-line);
}
.rooms__col ul { display: flex; flex-direction: column; }
.rooms__col li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .55rem 0;
  border-bottom: 1px solid var(--color-line);
  font-size: .92rem;
  color: var(--color-text-muted);
}
.rooms__col li:last-child { border-bottom: none; }
.rooms__col li span { color: var(--color-text); }

/* =========================================================
   LAGE
   ========================================================= */
.location {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 7rem) var(--gap);
}
.location__text {
  column-count: 2;
  column-gap: var(--gap);
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.location__intro {
  color: var(--color-text-muted);
  margin-bottom: 1.2rem;
}
.location__bottom {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: var(--gap);
  align-items: stretch;
}
.location__list {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}
.location__list li {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-text-muted);
  font-size: .95rem;
}
.location__list li:last-child { border-bottom: none; }
.location__list li span { color: var(--color-text); font-weight: 400; }
.location__map { position: relative; height: 100%; display: flex; flex-direction: column; }
.location__map iframe {
  width: 100%;
  flex: 1;
  min-height: 0;
  border: 1px solid var(--color-line);
  filter: saturate(0.9);
}
.location__map-link {
  display: inline-block;
  margin-top: .8rem;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.location__map-link:hover { border-color: var(--color-accent); }

/* =========================================================
   DATEN IM ÜBERBLICK
   ========================================================= */
.overview { padding: clamp(4.5rem, 9vw, 7rem) var(--gap); background: var(--color-bg-alt); }
.overview__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}
.overview__group + .overview__group { margin-top: 2.8rem; }
.overview__group h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.15rem;
  margin-bottom: 1.2rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--color-line);
}
.overview__row {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 1rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--color-line);
}
.overview__row:last-child { border-bottom: none; }
.overview__row dt {
  font-weight: 500;
  color: var(--color-text);
  font-size: .92rem;
}
.overview__row dd {
  margin: 0;
  color: var(--color-text-muted);
  font-size: .92rem;
  line-height: 1.5;
}
.overview__grid--legal { margin-top: 3.5rem; }
.overview__group p {
  color: var(--color-text-muted);
  font-size: .9rem;
  line-height: 1.6;
  margin-bottom: .8rem;
}
.overview__group p strong { color: var(--color-text); }
.overview__group p:last-child { margin-bottom: 0; }
.overview__group p a,
.overview__hint a { color: var(--color-accent); text-decoration: underline; text-decoration-color: var(--color-line); }
.overview__group p a:hover,
.overview__hint a:hover { text-decoration-color: var(--color-accent); }
.overview__hint { margin-top: .5rem; font-size: .82rem; line-height: 1.5; color: var(--color-text-muted); }
.overview__hint strong { color: var(--color-text); }
.overview__disclaimer {
  max-width: var(--container);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line);
  font-size: .78rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* =========================================================
   VERKAUF / BIETERVERFAHREN
   ========================================================= */
.process { padding: clamp(4.5rem, 9vw, 7rem) var(--gap); background: var(--color-bg); }
.process__top {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--gap);
  align-items: center;
}
.process__text p { color: var(--color-text-muted); margin-bottom: 1.4rem; max-width: 50ch; }
.process__text p:last-child { margin-bottom: 0; }
.process__steps {
  max-width: var(--container);
  margin: 3.5rem auto 0;
  padding-top: clamp(2.5rem, 5vw, 3rem);
  border-top: 1px solid var(--color-line);
}
.process__steps h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: 2.5rem;
}
.process__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  text-align: center;
  list-style: none;
}
.process__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  margin: 0 auto 1.1rem;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent);
}
.process__list h4 { font-family: var(--font-serif); font-weight: 500; font-size: 1.05rem; margin-bottom: .6rem; }
.process__list p { color: var(--color-text-muted); font-size: .88rem; line-height: 1.6; }
.process__note {
  padding: 1.6rem 1.8rem;
  border: 1px solid var(--color-line);
  background: var(--color-bg-alt);
  font-size: .92rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}
.process__note strong { color: var(--color-text); }
.process__cta { max-width: 640px; margin: 3.5rem auto 0; text-align: center; }
.process__cta h3 { font-family: var(--font-serif); font-weight: 500; font-size: 1.3rem; margin-bottom: .8rem; }
.process__cta p { color: var(--color-text-muted); font-size: .95rem; }
.process__disclaimer {
  max-width: var(--container);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line);
  font-size: .78rem;
  color: var(--color-text-muted);
  text-align: center;
}
.process__pdf {
  max-width: 640px;
  margin: 3rem auto 0;
  padding: 2rem 1.5rem;
  border: 1px solid var(--color-line);
  background: var(--color-bg-alt);
  text-align: center;
}
.process__pdf p { color: var(--color-text); font-size: 1rem; margin-bottom: 1.3rem; }

/* =========================================================
   KONTAKT
   ========================================================= */
.contact {
  background: var(--color-dark);
  color: #fff;
  text-align: center;
  padding: clamp(5rem, 10vw, 8rem) var(--gap);
}
.contact h2 { color: #fff; margin-bottom: 2.2rem; }
.contact .btn--light { margin-bottom: 1rem; }
.contact__phone { color: #b6ab9c; letter-spacing: .04em; }
.contact__phone a:hover { color: #fff; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  text-align: center;
  padding: 2.4rem var(--gap);
  font-size: .8rem;
  color: var(--color-text-muted);
}
.footer p + p { margin-top: .3rem; }

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lightbox {
  position: fixed; inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15,13,11,.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__img {
  max-width: 88vw;
  max-height: 84vh;
  object-fit: contain;
}
.lightbox__close, .lightbox__nav {
  position: absolute;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 2.2rem;
  line-height: 1;
  opacity: .8;
  transition: opacity .2s ease;
}
.lightbox__close:hover, .lightbox__nav:hover { opacity: 1; }
.lightbox__close { top: 1.6rem; right: 2rem; }
.lightbox__prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .intro__top { grid-template-columns: 1fr; }
  .process__top { grid-template-columns: 1fr; }
  .intro__image { order: -1; }
  .intro__highlights-list { column-count: 1; }
  .location__text { column-count: 1; }
  .location__bottom { grid-template-columns: 1fr; }
  .location__map { margin-top: 1rem; }
  .facts__grid { grid-template-columns: repeat(3, 1fr); row-gap: 1.5rem; }
  .fact:nth-child(3n) { border-right: none; }
  .floorplan__rooms { grid-template-columns: 1fr 1fr; row-gap: 2rem; }
  .overview__grid { grid-template-columns: 1fr; }
  .overview__row { grid-template-columns: 10rem 1fr; }
  .process__list { grid-template-columns: 1fr 1fr; row-gap: 2.5rem; }
}

@media (max-width: 768px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.6rem;
    padding: 0 2.5rem;
    transform: translateX(100%);
    transition: transform .4s ease;
  }
  .nav__menu.is-open { transform: translateX(0); }
  .nav__menu a { color: var(--color-text); }
  .nav__cta { border-color: var(--color-line); }

  .gallery__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .gallery__item--wide { grid-column: span 2; }
}

@media (max-width: 560px) {
  .facts__grid { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(2n) { border-right: none; }
  .floorplan__rooms { grid-template-columns: 1fr; }
  .overview__row { grid-template-columns: 1fr; gap: .25rem; }
  .process__list { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .gallery__item--wide { grid-column: span 1; }
  .lightbox__prev { left: .5rem; }
  .lightbox__next { right: .5rem; }
}