/* ==========================================================================
   style.css — Layout & Seitenspezifische Stile
   Raumausstatter Köln
   ========================================================================== */

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: 1.25rem 0;
  transition: background-color var(--transition-base),
              box-shadow var(--transition-base),
              padding var(--transition-base);
}

.site-nav.scrolled {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-nav);
  padding: 0.875rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-lg);
  color: var(--color-text);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-logo:hover {
  color: var(--color-accent-2);
  transition: color var(--transition-base);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent-2);
  transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: none;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }

  .nav-cta {
    display: inline-flex;
  }
}

/* Hamburger */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .nav-hamburger {
    display: none;
  }
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-surface);
  z-index: calc(var(--z-nav) - 1);
  padding-top: 5rem;
  padding-inline: 1.5rem;
  flex-direction: column;
  gap: 0;
}

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

.mobile-menu a {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-2xl);
  color: var(--color-text);
  padding-block: 1rem;
  border-bottom: 1px solid var(--color-hover);
}

.mobile-menu .mobile-cta {
  margin-top: 2rem;
  align-self: flex-start;
}

/* ==========================================================================
   HERO — INDEX
   ========================================================================== */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-image: url('https://images.unsplash.com/photo-1600210492493-0946911123ea?w=1600&q=85');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero-card {
  position: relative;
  z-index: 2;
  background: rgba(247, 243, 238, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 2.5rem;
  max-width: 100%;
}

.hero-card h1 {
  font-size: var(--text-hero);
  font-weight: 300;
  line-height: 1;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.hero-card .hero-sub {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 36ch;
}

.hero-trust {
  margin-top: 1.5rem;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

@media (min-width: 768px) {
  .hero-card {
    padding: 4rem;
    max-width: 60%;
  }
}

/* ==========================================================================
   HERO — Interne Seiten (klein)
   ========================================================================== */

.page-hero {
  background: var(--color-surface);
  padding-top: 140px;
  padding-bottom: 4rem;
}

.page-hero .breadcrumb {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.page-hero .breadcrumb a {
  color: var(--color-accent-2);
}

.page-hero h1 {
  font-size: var(--text-3xl);
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: var(--text-lg);
  max-width: 56ch;
  color: var(--color-text-muted);
}

/* ==========================================================================
   INTRO SECTION
   ========================================================================== */

.intro-section {
  text-align: center;
  background: var(--color-surface);
}

.intro-section .container {
  max-width: var(--max-width-text);
}

.intro-quote {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-2xl);
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 1.5rem;
}

.intro-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 2.5rem;
}

.intro-divider {
  width: 60px;
  height: 1px;
  background: var(--color-accent-1);
  margin-inline: auto;
}

/* ==========================================================================
   LEISTUNGEN — CARDS (Teaser & Vollseite)
   ========================================================================== */

.leistungen-section {
  background: var(--color-bg);
}

.leistungen-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .leistungen-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   PORTFOLIO TEASER
   ========================================================================== */

.portfolio-teaser {
  background: var(--color-surface);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
  }

  .portfolio-grid figure:nth-child(1) { grid-row: span 2; }
  .portfolio-grid figure:nth-child(4) { grid-row: span 2; }
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */

.testimonials-section {
  background: var(--color-bg);
}

.testimonials-grid {
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.cta-section {
  background: var(--color-hover);
  text-align: center;
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: var(--text-base);
  max-width: 50ch;
  margin-inline: auto;
  margin-bottom: 2rem;
}

/* ==========================================================================
   LEISTUNGEN SEITE — 2-Spalten-Blöcke
   ========================================================================== */

.leistung-block {
  display: grid;
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
}

.leistung-block:last-of-type {
  margin-bottom: 0;
}

@media (min-width: 1024px) {
  .leistung-block {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }

  .leistung-block.reverse .leistung-img {
    order: -1;
  }
}

.leistung-img {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.leistung-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.leistung-text .label {
  display: block;
  margin-bottom: 1rem;
}

.leistung-text h2 {
  margin-bottom: 1.25rem;
}

.leistung-text p {
  margin-bottom: 1rem;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */

.faq-section {
  background: var(--color-surface);
}

.faq-list {
  margin-top: 3rem;
  border-top: 1px solid var(--color-accent-1);
}

.faq-item {
  border-bottom: 1px solid var(--color-accent-1);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 1.5rem 0;
  text-align: left;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-text);
  cursor: pointer;
  gap: 1rem;
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform var(--transition-base);
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-accent-2);
  border-radius: 1px;
}

.faq-question .faq-icon::before {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
  transition: opacity var(--transition-base);
}

.faq-question .faq-icon::after {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.faq-item.open .faq-question .faq-icon::before {
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.faq-answer p {
  padding-bottom: 1.5rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* ==========================================================================
   PROJEKTE — FILTER & GALERIE
   ========================================================================== */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.5rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-accent-1);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent-2);
  border-color: var(--color-accent-2);
  color: #fff;
}

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

@media (min-width: 768px) {
  .masonry-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 240px;
  }

  .masonry-grid figure:nth-child(3n+1) { grid-row: span 2; }
  .masonry-grid figure:nth-child(3n+2) { grid-row: span 1; }
  .masonry-grid figure:nth-child(3n)   { grid-row: span 1; }
}

.masonry-grid figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
}

@media (max-width: 767px) {
  .masonry-grid figure {
    height: 280px;
  }
}

.masonry-grid figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease-out;
}

.masonry-grid figure:hover img {
  transform: scale(1.04);
}

.masonry-grid figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(247, 243, 238, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 1rem 1.25rem;
  transform: translateY(100%);
  transition: transform 0.35s ease-out;
}

.masonry-grid figure:hover figcaption {
  transform: translateY(0);
}

.masonry-grid figcaption .proj-name {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-base);
  color: var(--color-text);
}

.masonry-grid figcaption .proj-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.masonry-grid figure.hidden {
  display: none;
}

/* ==========================================================================
   ÜBER UNS
   ========================================================================== */

.geschichte-section {
  background: var(--color-surface);
}

.geschichte-grid {
  display: grid;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .geschichte-grid {
    grid-template-columns: 3fr 2fr;
    gap: 5rem;
  }
}

.geschichte-text h2 {
  margin-bottom: 2rem;
}

.geschichte-text p {
  margin-bottom: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.geschichte-img {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.geschichte-img img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.werte-section {
  background: var(--color-bg);
}

.werte-grid {
  display: grid;
  gap: 3rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .werte-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.wert-item h3 {
  font-size: var(--text-xl);
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.wert-item p {
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* ==========================================================================
   RATGEBER
   ========================================================================== */

.artikel-section {
  background: var(--color-surface);
}

.artikel-content {
  max-width: 720px;
}

.artikel-content h2 {
  font-size: var(--text-2xl);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.artikel-content h3 {
  font-size: var(--text-xl);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.artikel-content p {
  margin-bottom: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.artikel-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.artikel-content ul li {
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
}

.teaser-cards-section {
  background: var(--color-bg);
}

.teaser-cards-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .teaser-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.teaser-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.teaser-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.teaser-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(247, 243, 238, 0.90);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.teaser-card-overlay .coming-soon {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-1);
  margin-bottom: 0.75rem;
}

.teaser-card-overlay h3 {
  font-size: var(--text-lg);
  color: var(--color-text);
}

/* ==========================================================================
   KONTAKT
   ========================================================================== */

.kontakt-grid {
  display: grid;
  gap: 4rem;
  margin-top: 3rem;
}

@media (min-width: 1024px) {
  .kontakt-grid {
    grid-template-columns: 3fr 2fr;
  }
}

.kontakt-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-accent-1);
  border-radius: var(--border-radius);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-2);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.kontakt-info h3 {
  font-size: var(--text-xl);
  margin-bottom: 1.5rem;
}

.kontakt-info p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.85;
}

.kontakt-info strong {
  color: var(--color-text);
  font-weight: 600;
}

.showroom-img {
  margin-top: 4rem;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.showroom-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-hover);
  padding-block: 4rem 2rem;
}

.footer-grid {
  display: grid;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 2fr;
  }
}

.footer-logo {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--text-xl);
  color: var(--color-hover);
  margin-bottom: 0.75rem;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-accent-1);
  line-height: 1.6;
}

.footer-nav h4,
.footer-contact h4 {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-1);
  margin-bottom: 1.25rem;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav a {
  font-size: var(--text-sm);
  color: var(--color-hover);
  transition: color var(--transition-base);
}

.footer-nav a:hover {
  color: var(--color-accent-2);
}

.footer-contact p {
  font-size: var(--text-sm);
  color: var(--color-hover);
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.footer-contact a {
  color: var(--color-accent-1);
  transition: color var(--transition-base);
}

.footer-contact a:hover {
  color: var(--color-accent-2);
}

.footer-bottom {
  border-top: 1px solid rgba(200, 184, 154, 0.2);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--color-accent-1);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: var(--text-xs);
  color: var(--color-accent-1);
  transition: color var(--transition-base);
}

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

/* ==========================================================================
   SECTION HEADER (gemeinsam)
   ========================================================================== */

.section-header {
  margin-bottom: 1rem;
}

.section-header.centered {
  text-align: center;
}

.section-header h2 {
  margin-top: 0.5rem;
}