/* ==========================================================================
   İZDUŞ - Mimari Duşakabin & Banyo Çözümleri
   Tasarım Sistemi & Stiller
   ========================================================================== */

:root {
  /* Renk Paleti */
  --color-bg: #F7F4EE;
  --color-bg-card: #FFFFFF;
  --color-bg-muted: #EFEBE3;
  --color-bg-subtle: #F3EFE8;
  --color-charcoal: #252525;
  --color-charcoal-deep: #1A1A1A;
  --color-brass: #A68A56;
  --color-brass-dark: #8F7442;
  --color-brass-light: #C5AF83;
  --color-brass-subtle: #F4EFE6;
  --color-text-primary: #252525;
  --color-text-secondary: #636058;
  --color-text-muted: #8C877D;
  --color-border: #E5E0D5;
  --color-border-dark: #CFC7B8;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1EBE5D;

  /* Tipografi */
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Ölçüler & Boşluklar */
  --container-max: 1240px;
  --header-height: 84px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 9999px;

  /* Gölgeler & Geçişler */
  --shadow-sm: 0 2px 8px rgba(37, 37, 37, 0.04);
  --shadow-md: 0 8px 24px rgba(37, 37, 37, 0.06);
  --shadow-lg: 0 16px 36px rgba(37, 37, 37, 0.08);
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   Reset & Temel Ayarlar
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding-bottom: 0;
}

/* Mobilde alt çubuğun içeriği kapatmaması için */
@media (max-width: 768px) {
  body {
    padding-bottom: 86px;
  }
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   Konteyner & Izgara
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (max-width: 480px) {
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   Tipografi
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-charcoal);
  line-height: 1.2;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.section-subtitle {
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  color: var(--color-text-secondary);
  max-width: 680px;
  line-height: 1.55;
}

.text-center {
  text-align: center;
}

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.tag-pill {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-brass-subtle);
  color: var(--color-brass-dark);
  margin-bottom: 0.75rem;
}

.tag-pill-light {
  background-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   Butonlar
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-sm {
  padding: 0.6rem 1.15rem;
  font-size: 0.85rem;
}

.btn-brass {
  background-color: var(--color-brass);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(166, 138, 86, 0.25);
}

.btn-brass:hover {
  background-color: var(--color-brass-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(166, 138, 86, 0.35);
}

.btn-phone {
  background-color: var(--color-brass);
  color: #FFFFFF;
  padding: 0.65rem 1.35rem;
  font-size: 0.88rem;
  box-shadow: 0 3px 12px rgba(166, 138, 86, 0.2);
}

.btn-phone:hover {
  background-color: var(--color-brass-dark);
  transform: translateY(-1px);
}

.btn-outline-card {
  background-color: var(--color-bg-card);
  color: var(--color-charcoal);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-outline-card:hover {
  border-color: var(--color-brass);
  color: var(--color-brass-dark);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-charcoal);
  border: 1px solid var(--color-border-dark);
}

.btn-outline-dark:hover {
  background-color: var(--color-charcoal);
  color: #FFFFFF;
}

.btn-outline-brass {
  background-color: transparent;
  color: var(--color-brass-dark);
  border: 1px solid var(--color-brass-light);
  width: 100%;
}

.btn-outline-brass:hover {
  background-color: var(--color-brass);
  border-color: var(--color-brass);
  color: #FFFFFF;
}

.btn-whatsapp-submit {
  background-color: var(--color-charcoal);
  color: #FFFFFF;
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  border-radius: var(--radius-pill);
}

.btn-whatsapp-submit:hover {
  background-color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-arrow {
  transition: transform 0.2s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.whatsapp-color {
  color: var(--color-whatsapp-dark);
}

/* --------------------------------------------------------------------------
   Üst Menü (Site Header) & Logo
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(247, 244, 238, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Marka Logo (Official Folder 54 Logo) */
.brand-logo {
  display: flex;
  align-items: center;
}

.brand-logo-img {
  width: auto;
  height: 48px;
  object-fit: contain;
}

.footer-logo-img {
  width: auto;
  height: 44px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.drawer-logo-img {
  width: auto;
  height: 42px;
  object-fit: contain;
}

/* Masaüstü Navigasyon */
.nav-desktop {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-charcoal);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-brass);
  transition: width 0.25s ease;
}

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

.header-action-desktop {
  display: flex;
  align-items: center;
}

/* Hamburger Menü Butonu */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 26px;
  background: transparent;
  padding: 2px;
  z-index: 105;
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-charcoal);
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 1024px) {
  .nav-desktop,
  .header-action-desktop {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   Mobil Çekmece Menü (Mobile Drawer)
   -------------------------------------------------------------------------- */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(37, 37, 37, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 82%;
  max-width: 320px;
  height: 100%;
  background-color: var(--color-bg);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
  z-index: 210;
  display: flex;
  flex-direction: column;
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-drawer.active {
  transform: translateX(-320px);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.drawer-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-bg-muted);
  color: var(--color-charcoal);
}

.drawer-nav {
  padding: 1.5rem;
  flex: 1;
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.drawer-link {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-charcoal);
}

.drawer-link:hover {
  color: var(--color-brass);
}

.drawer-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.drawer-contact-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.btn-full {
  width: 100%;
}

.drawer-social-link {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   1. Hero Bölümü
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  color: var(--color-brass-dark);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.5rem, 4.4vw, 4.2rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--color-charcoal);
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.hero-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background-color: rgba(37, 37, 37, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-brass-light);
}

@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-section {
    padding-top: 2rem;
    padding-bottom: 2.5rem;
  }
}

/* --------------------------------------------------------------------------
   2. Highlights / Öne Çıkan Değerler Çubuğu
   -------------------------------------------------------------------------- */
.highlights-section {
  padding: 1.5rem 0 3rem;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  background-color: var(--color-bg-card);
  padding: 1.75rem 2.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.highlight-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-brass-subtle);
  color: var(--color-brass-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.highlight-title {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 0.15rem;
}

.highlight-desc {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

@media (max-width: 900px) {
  .highlights-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   Bölüm Düzeni Genel (Section Standard)
   -------------------------------------------------------------------------- */
.section {
  padding: 4.5rem 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.75rem;
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-brass-dark);
  white-space: nowrap;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-brass-light);
}

.section-link:hover {
  color: var(--color-charcoal);
  border-color: var(--color-charcoal);
}

@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
  }
}

/* --------------------------------------------------------------------------
   3. Model Kategorileri
   -------------------------------------------------------------------------- */
.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.model-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.model-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-dark);
}

.card-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--color-bg-muted);
  overflow: hidden;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.card-image.contain-img,
.gallery-img.contain-img {
  object-fit: contain;
  padding: 12px;
  background-color: #F0ECE4;
}

.model-card:hover .card-image {
  transform: scale(1.03);
}

.card-badge {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  background-color: rgba(37, 37, 37, 0.82);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
}

.card-body {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 600;
}

.card-arrow-icon {
  font-size: 1.25rem;
  color: var(--color-brass-dark);
  transition: transform 0.2s ease;
}

.model-card:hover .card-arrow-icon {
  transform: translateX(4px);
}

.card-description {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex: 1;
}

.card-footer {
  margin-top: auto;
}

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

@media (max-width: 640px) {
  .models-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   4. Uygulama Desteği & Usta Montajı Bölümü (Folder 54 Montaj Ustası)
   -------------------------------------------------------------------------- */
.craftsmanship-section {
  padding-top: 1rem;
}

.craft-box {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.craft-visual {
  position: relative;
  background-color: var(--color-bg-muted);
  min-height: 400px;
}

.craft-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.craft-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background-color: rgba(37, 37, 37, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.craft-content {
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.craft-lead {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 0.85rem;
  line-height: 1.4;
}

.craft-desc {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.craft-points {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.craft-point {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  padding-left: 1rem;
  border-left: 2px solid var(--color-brass);
  line-height: 1.5;
}

.craft-point strong {
  color: var(--color-charcoal);
}

@media (max-width: 900px) {
  .craft-box {
    grid-template-columns: 1fr;
  }
  .craft-visual {
    min-height: 280px;
  }
  .craft-content {
    padding: 2rem 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   5. Kişiye Özel Model Seçimi & WhatsApp Yapılandırıcı
   -------------------------------------------------------------------------- */
.configurator-section {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.configurator-wrapper {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
}

.configurator-intro {
  margin-bottom: 2.5rem;
  max-width: 780px;
}

.configurator-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-brass-dark);
  background-color: var(--color-brass-subtle);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-top: 1.25rem;
}

.config-group {
  margin-bottom: 2rem;
  border: none;
}

.config-subnote {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  margin-top: 0.85rem;
}

.config-subnote strong {
  color: var(--color-charcoal);
}

.config-legend {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 0.85rem;
  display: block;
}

.options-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.pill-option {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.pill-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pill-option:hover {
  border-color: var(--color-brass);
  color: var(--color-charcoal);
}

.pill-option.active {
  background-color: var(--color-charcoal);
  border-color: var(--color-charcoal);
  color: #FFFFFF;
}

/* Renk Noktaları */
.color-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.15);
  display: inline-block;
}

.color-black { background-color: #1A1A1A; }
.color-chrome { background: linear-gradient(135deg, #FFF, #A0AAB2); }
.color-gold { background: linear-gradient(135deg, #F2D28D, #9E7E45); }
.color-bronze { background: linear-gradient(135deg, #B58A63, #6B4E36); }
.color-white { background-color: #FFFFFF; border-color: #CCC; }

.config-textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: var(--color-charcoal);
  resize: vertical;
  transition: border-color 0.2s ease;
}

.config-textarea:focus {
  border-color: var(--color-brass);
  background-color: #FFFFFF;
}

/* Özet Kutusu */
.config-summary-card {
  margin-top: 2.5rem;
  padding: 1.75rem;
  background-color: var(--color-bg-muted);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.summary-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-charcoal);
}

.summary-badge {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.65rem;
  background-color: #FFFFFF;
  border-radius: var(--radius-pill);
  color: var(--color-brass-dark);
}

.summary-content {
  font-family: monospace, sans-serif;
  font-size: 0.88rem;
  background-color: #FFFFFF;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--color-charcoal);
}

@media (max-width: 768px) {
  .configurator-wrapper {
    padding: 1.75rem 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   6. İZDUŞ Showroom Estetiği (Folder 54 Showroom Görseli)
   -------------------------------------------------------------------------- */
.showroom-section {
  padding-bottom: 2rem;
}

.showroom-wrapper {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.showroom-visual {
  position: relative;
  background-color: var(--color-bg-muted);
  min-height: 420px;
}

.showroom-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showroom-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background-color: rgba(37, 37, 37, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.showroom-info {
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.showroom-text {
  font-size: 0.94rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.showroom-features {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1rem;
}

.s-feature {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  padding-left: 1rem;
  border-left: 2px solid var(--color-brass);
}

.s-feature strong {
  color: var(--color-charcoal);
}

@media (max-width: 900px) {
  .showroom-wrapper {
    grid-template-columns: 1fr;
  }
  .showroom-visual {
    min-height: 280px;
  }
  .showroom-info {
    padding: 2rem 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   7. Uygulama Galerisi & Lightbox (Yalnızca Klasör 54)
   -------------------------------------------------------------------------- */
.gallery-filters {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.55rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-brass);
  color: var(--color-charcoal);
}

.filter-btn.active {
  background-color: var(--color-brass);
  border-color: var(--color-brass);
  color: #FFFFFF;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition);
}

.gallery-item.hide {
  display: none;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery-thumb-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-bg-muted);
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(37,37,37,0.85) 0%, rgba(37,37,37,0.2) 60%, transparent 100%);
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  color: #FFFFFF;
  transition: opacity 0.25s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-zoom-icon {
  margin-bottom: 0.4rem;
}

.gallery-caption-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
}

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

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* Instagram Topluluk Kartı */
.instagram-banner {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: var(--shadow-sm);
}

.instagram-text h3 {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.instagram-text p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
}

@media (max-width: 768px) {
  .instagram-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem;
  }
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-modal[hidden] {
  display: none;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(20, 20, 20, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox-content {
  position: relative;
  z-index: 510;
  width: 90%;
  max-width: 860px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 520;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: rgba(37,37,37,0.7);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-close:hover {
  background-color: #000000;
}

.lightbox-image-wrap {
  position: relative;
  width: 100%;
  max-height: 70vh;
  background-color: #1A1A1A;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lightbox-img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(37,37,37,0.7);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 520;
}

.lightbox-nav:hover {
  background-color: #000000;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

.lightbox-footer {
  padding: 1.25rem 1.75rem;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.lightbox-title {
  font-size: 1.3rem;
  font-weight: 600;
}

.lightbox-hint {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

@media (max-width: 600px) {
  .lightbox-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
  }
  .lightbox-footer .btn {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   8. Mimari Bilgilendirme Rehberi
   -------------------------------------------------------------------------- */
.guide-section {
  background-color: var(--color-bg);
}

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

.guide-card {
  background-color: var(--color-bg-card);
  padding: 2.25rem 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.guide-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-brass-light);
}

.guide-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--color-brass);
  line-height: 1;
  margin-bottom: 1rem;
}

.guide-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.guide-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 960px) {
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .guide-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   9. Sıkça Sorulan Sorular (FAQ)
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.faq-container {
  max-width: 860px;
}

.faq-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item[open] {
  border-color: var(--color-brass-light);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  padding: 1.35rem 1.75rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-charcoal);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
  user-select: none;
}

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

.faq-icon {
  color: var(--color-brass);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.75rem 1.5rem;
  color: var(--color-text-secondary);
  font-size: 0.94rem;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   10. İletişim Bölümü
   -------------------------------------------------------------------------- */
.contact-box {
  background-color: var(--color-charcoal);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 4rem;
  box-shadow: var(--shadow-lg);
}

.contact-header {
  max-width: 720px;
  margin-bottom: 3rem;
}

.contact-title {
  color: #FFFFFF;
  font-size: clamp(2rem, 3.6vw, 3rem);
  margin-bottom: 1rem;
}

.contact-subtitle {
  color: #CFCBC3;
  font-size: 1.05rem;
  line-height: 1.6;
}

.contact-actions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.contact-card {
  background-color: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: var(--transition);
}

.contact-card:hover {
  background-color: rgba(255, 255, 255, 0.14);
  border-color: var(--color-brass-light);
  transform: translateY(-3px);
}

.contact-card-primary {
  background-color: var(--color-brass);
  border-color: var(--color-brass);
}

.contact-card-primary:hover {
  background-color: var(--color-brass-dark);
  border-color: var(--color-brass-dark);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #FFFFFF;
}

.contact-card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.contact-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: #FFFFFF;
}

.contact-arrow {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.75);
  transition: transform 0.2s ease;
}

.contact-card:hover .contact-arrow {
  transform: translateX(4px);
  color: #FFFFFF;
}

@media (max-width: 960px) {
  .contact-actions-grid {
    grid-template-columns: 1fr;
  }
  .contact-box {
    padding: 2.25rem 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #1F1F1F;
  color: #CFCBC3;
  padding-top: 4.5rem;
  border-top: 1px solid #333333;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
}

.footer-desc {
  font-size: 0.88rem;
  color: #A39E94;
  margin-top: 1rem;
  max-width: 320px;
  line-height: 1.6;
}

.footer-heading {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.footer-links,
.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a,
.footer-contact-link {
  font-size: 0.88rem;
  color: #A39E94;
}

.footer-links a:hover,
.footer-contact-link:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0;
  font-size: 0.82rem;
  color: #7A766E;
}

.footer-bottom-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom-container {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Showroom Adres Kartı & Markalar
   -------------------------------------------------------------------------- */
.showroom-address-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.s-addr-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-brass-subtle);
  color: var(--color-brass-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.s-addr-content {
  flex: 1;
  min-width: 240px;
}

.s-addr-content strong {
  display: block;
  font-size: 0.92rem;
  color: var(--color-charcoal);
  margin-bottom: 0.15rem;
}

.s-addr-content p {
  font-size: 0.86rem;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.s-addr-btn {
  margin-left: auto;
}

/* --------------------------------------------------------------------------
   Referanslar Bölümü (Lotus, Dora Park, Favorist, Topçuoğulları, Beyler)
   -------------------------------------------------------------------------- */
.references-section {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.reference-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.reference-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-brass);
  box-shadow: var(--shadow-md);
}

.ref-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--color-brass-subtle);
  color: var(--color-brass-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
}

.ref-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-charcoal);
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}

.ref-badge {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: 600;
}

@media (max-width: 960px) {
  .references-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .references-grid {
    grid-template-columns: 1fr;
  }
}

/* Çözüm Ortakları & Markalar Şeridi */
.partner-brands-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: var(--shadow-sm);
}

.p-brand-header h4 {
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.p-brand-header p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

.p-brand-items {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.p-brand-pill {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.pb-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.p-brand-pill strong {
  color: var(--color-brass-dark);
  letter-spacing: 0.05em;
}

@media (max-width: 900px) {
  .partner-brands-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem;
  }
}

/* 4 Sütunlu İletişim Izgarası */
.contact-actions-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1100px) {
  .contact-actions-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .contact-actions-grid-4 {
    grid-template-columns: 1fr;
  }
}

.footer-address {
  font-size: 0.86rem;
  color: #A39E94;
  margin-top: 0.85rem;
  line-height: 1.5;
}

.footer-address strong {
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   11. Mobil Sabit Alt Çubuk (Fixed Sticky Action Bar)
   -------------------------------------------------------------------------- */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(247, 244, 238, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  padding: 0.65rem 1rem;
  padding-bottom: calc(0.65rem + env(safe-area-inset-bottom, 0px));
  z-index: 99;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
}

.sticky-bar-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  max-width: 440px;
  margin: 0 auto;
}

.btn-sticky {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.btn-sticky-call {
  background-color: var(--color-brass);
  color: #FFFFFF;
}

.btn-sticky-wa {
  background-color: var(--color-whatsapp-dark);
  color: #FFFFFF;
}

@media (max-width: 768px) {
  .mobile-sticky-bar {
    display: block;
  }
}

/* --------------------------------------------------------------------------
   Erişilebilirlik (Focus Visible)
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-brass);
  outline-offset: 3px;
}