/* vastobau.de — Hauptmarke. Farben/Logo aus dem bisherigen Projekt (siehe tokens.css). */

/* -- Header --------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(38, 38, 38, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.phone-link {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--text);
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--text-soft);
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--marke); }

@media (max-width: 900px) {
  .nav-link { display: none; }
}
@media (max-width: 640px) {
  .phone-link { display: none; }
}

/* -- Hero ------------------------------------------------------------------ */

.hero {
  padding-block: var(--space-6) var(--space-5);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}

.hero__headline {
  font-size: clamp(3rem, 7vw, 5.75rem);
  margin-block: 0.5rem 1.5rem;
}

.hero__lead {
  max-width: 34ch;
  font-size: 1.1875rem;
  color: var(--text-soft);
  margin-bottom: var(--space-3);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn--lg {
  padding: 1.1rem 2.3rem;
  font-size: 1rem;
}

.hero__visual { position: relative; }

.hero-frame {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3.4;
  animation: hero-reveal 0.9s cubic-bezier(.16,1,.3,1) both;
}

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes hero-reveal {
  from { clip-path: inset(0 0 100% 0); }
  to { clip-path: inset(0 0 0 0); }
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 26rem; margin-inline: auto; }
}

.hero__stats {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(38,38,38,0.12);
}

.hero__stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--marke);
  line-height: 1;
}

.hero__stats span {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-soft);
  max-width: 16ch;
  margin-top: 0.4rem;
}

@media (max-width: 560px) {
  .hero__stats { flex-direction: column; gap: 1rem; }
}

.section__intro {
  max-width: 62ch;
  font-size: 1.0625rem;
  color: var(--text-soft);
  margin-bottom: var(--space-4);
}

/* -- Sections --------------------------------------------------------------- */

.section {
  padding-block: var(--space-5);
}

.section--dark {
  background: var(--anthrazit);
  color: var(--weiss);
}

.section--dark .eyebrow,
.section--dark .chalk-divider .label { color: var(--marke-hell); }

.section--dark .chalk-divider { color: #7d7f82; }

.section__title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  margin-bottom: var(--space-3);
  max-width: 16ch;
}

/* -- Leistungen-Grid --------------------------------------------------------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: var(--space-3);
}

.service-tile {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  display: block;
}

.service-tile img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}

.service-tile::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.08) 55%, transparent 75%);
}

.service-tile:hover img { transform: scale(1.06); }

.service-tile__label {
  position: absolute;
  left: 1.1rem; right: 1.1rem; bottom: 1rem;
  z-index: 1;
  color: var(--weiss);
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.service-tile__ext {
  display: block;
  font-family: var(--font-mono);
  text-transform: none;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--marke-hell);
  margin-top: 0.2rem;
}

@media (max-width: 900px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .service-grid { grid-template-columns: 1fr; }
}

/* -- Referenz-Layout ---------------------------------------------------------- */

.ref-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-4);
  align-items: center;
}

.ref-layout--reverse { direction: rtl; }
.ref-layout--reverse > * { direction: ltr; }

.ref-layout__body {
  font-size: 1.0625rem;
  max-width: 40ch;
  opacity: 0.9;
}

.ref-layout__gallery { overflow: hidden; border-radius: var(--radius); }

.carousel-track {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--marke) transparent;
}

.carousel-track img {
  scroll-snap-align: start;
  flex: 0 0 78%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius);
}

@media (max-width: 900px) {
  .ref-layout, .ref-layout--reverse { grid-template-columns: 1fr; direction: ltr; }
  .carousel-track img { flex-basis: 88%; }
}

/* -- Mosaic (weitere Projekte) ------------------------------------------------ */

.mosaic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: var(--space-3);
}

.mosaic__item {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: var(--radius);
  text-decoration: none;
  display: block;
}

.mosaic__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.mosaic__item:hover img { transform: scale(1.06); }

.mosaic__item span {
  position: absolute; left: 1rem; bottom: 1rem;
  color: var(--weiss);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-shadow: 0 1px 6px rgba(0,0,0,0.5);
}

@media (max-width: 720px) {
  .mosaic { grid-template-columns: 1fr 1fr; }
}

/* -- Markenfamilie ------------------------------------------------------------- */

.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: var(--space-3);
}

.brand-card {
  border: 1.5px solid rgba(38,38,38,0.14);
  border-radius: var(--radius);
  padding: var(--space-3);
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 0.25s ease, transform 0.2s ease;
  border-top: 3px solid var(--marke);
}

.brand-card:hover { transform: translateY(-4px); border-color: var(--marke); }

.brand-card h3 { font-family: var(--font-display); text-transform: uppercase; font-size: 1.4rem; }
.brand-card p { margin: 0; font-size: 0.9375rem; color: var(--text-soft); }

@media (max-width: 720px) {
  .brand-grid { grid-template-columns: 1fr; }
}

/* -- Kontakt -------------------------------------------------------------------- */

.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.kontakt-address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-block: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.kontakt-address a { text-decoration: none; color: var(--marke-hell); }

.termin-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14);
  background: var(--weiss);
}

.termin-frame iframe {
  width: 100%;
  height: 640px;
  border: 0;
  display: block;
}

@media (max-width: 900px) {
  .kontakt-grid { grid-template-columns: 1fr; }
}

/* -- Footer ----------------------------------------------------------------------- */

.site-footer {
  background: var(--anthrazit);
  color: #9a9c9f;
  padding-block: var(--space-4);
}

.site-footer .brand-logo { filter: brightness(0) invert(1); opacity: 0.92; }

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-footer__legal { display: flex; gap: 1.5rem; }
.site-footer__legal a { text-decoration: none; color: #9a9c9f; font-family: var(--font-mono); font-size: 0.875rem; }
.site-footer__legal a:hover { color: var(--marke-hell); }

.site-footer__copy { font-family: var(--font-mono); font-size: 0.8125rem; margin: 0; width: 100%; opacity: 0.6; }

/* -- Legal (Impressum/Datenschutz) --------------------------------------------------- */

.legal {
  background: var(--bg-soft);
  padding-block: var(--space-5);
  scroll-margin-top: 5rem;
}

.legal--alt { background: var(--bg); }

.legal__inner { max-width: 72ch; }

.legal__title {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.legal h3 { font-family: var(--font-body); text-transform: none; font-size: 1.125rem; font-weight: 600; margin-top: var(--space-3); }
.legal h4 { font-family: var(--font-body); text-transform: none; font-size: 1rem; font-weight: 600; margin-top: 1.25rem; }
.legal p { color: var(--text-soft); }

/* -- Reveal-on-scroll --------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* -- Leistungs-Säulen (Pillars) ------------------------------------------------ */

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.pillar {
  border: 1px solid rgba(38,38,38,0.1);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pillar__media { aspect-ratio: 16/10; overflow: hidden; }
.pillar__media img { width: 100%; height: 100%; object-fit: cover; }

.pillar h3 {
  font-size: 1.6rem;
  padding: 1.25rem 1.5rem 0;
}

.pillar > p {
  padding: 0.75rem 1.5rem 0;
  color: var(--text-soft);
  font-size: 0.9375rem;
  flex: 1;
}

.pillar__list {
  list-style: none;
  margin: 1.25rem 1.5rem 1.5rem;
  padding: 1rem 0 0;
  border-top: 1px dashed rgba(38,38,38,0.15);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.pillar__list li::before {
  content: '— ';
  color: var(--marke);
}

@media (max-width: 900px) {
  .pillar-grid { grid-template-columns: 1fr; }
}

/* -- Weitere Leistungen (sekundär) ---------------------------------------------- */

.secondary-services {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(38,38,38,0.1);
}

.secondary-services__label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-soft);
  margin-bottom: 1.25rem;
}

.secondary-services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.secondary-service {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  display: block;
}

.secondary-service img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.3); transition: filter 0.3s ease, transform 0.5s ease; }
.secondary-service:hover img { filter: grayscale(0); transform: scale(1.05); }

.secondary-service::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.75) 0%, transparent 65%);
}

.secondary-service span {
  position: absolute; left: 0.85rem; bottom: 0.75rem; z-index: 1;
  color: var(--weiss);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: flex; flex-direction: column;
}

.secondary-service em {
  font-style: normal;
  font-size: 0.7rem;
  color: var(--marke-hell);
  margin-top: 0.15rem;
}

@media (max-width: 800px) {
  .secondary-services__grid { grid-template-columns: repeat(2, 1fr); }
}

/* -- Ablauf/Prozess (nummeriert — echte Reihenfolge) ---------------------------- */

.process {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  counter-reset: step;
}

.process__step {
  position: relative;
  padding-top: 2rem;
  border-top: 2px solid rgba(255,255,255,0.15);
}

.process__num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--marke-hell);
  display: block;
  margin-bottom: 0.75rem;
}

.process__step h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--weiss);
}

.process__step p {
  font-size: 0.9375rem;
  color: #b7b8ba;
  margin: 0;
}

@media (max-width: 900px) {
  .process { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .process { grid-template-columns: 1fr; }
}

/* -- Warum VastoBau (Werte) ------------------------------------------------------ */

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.value h3 {
  font-size: 1.15rem;
  text-transform: none;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.value p {
  font-size: 0.9375rem;
  color: var(--text-soft);
  margin: 0;
}

@media (max-width: 900px) {
  .value-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .value-grid { grid-template-columns: 1fr; }
}

/* -- FAQ --------------------------------------------------------------------------- */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 72ch;
}

.faq-item {
  border: 1px solid rgba(38,38,38,0.12);
  border-radius: var(--radius);
  padding: 1.1rem 1.4rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  color: var(--marke);
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p {
  margin: 0.85rem 0 0;
  color: var(--text-soft);
  font-size: 0.9375rem;
}