/* ==========================================================================
   MARBELLA DOĞAL TAŞ & MERMER - LUXURY NATURAL STONE & MARBLE STYLESHEET
   Palette:
   - #050907 : Siyaha yakın derin bazalt/obsidyen
   - #08130E : Koyu Haki / Orman tabanı
   - #102219 : Koyu Doğal Yeşil / Verde Alpi
   - #B99A5A : Şampanya Altın (Champagne Gold)
   - #E8E4D8 : Kırık Beyaz (Soft Alabaster)
   ========================================================================== */

:root {
  --color-black-stone: #050907;
  --color-khaki-deep: #08130e;
  --color-green-natural: #102219;
  --color-gold-champagne: #b99a5a;
  --color-gold-light: #d6bc83;
  --color-white-soft: #e8e4d8;
  --color-card-bg: rgba(14, 25, 20, 0.75);
  --color-card-border: rgba(185, 154, 90, 0.25);
  --color-card-hover: rgba(22, 38, 30, 0.9);
  
  --font-serif: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-black-stone);
  color: var(--color-white-soft);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle Natural Marble Atmosphere for Body */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.28;
  background: 
    radial-gradient(ellipse 90% 70% at 10% 20%, rgba(16, 34, 25, 0.5) 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 85% 75%, rgba(8, 19, 14, 0.6) 0%, transparent 60%),
    radial-gradient(circle at 50% 50%, rgba(185, 154, 90, 0.03) 0%, transparent 70%);
}

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

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: linear-gradient(180deg, rgba(5, 9, 7, 0.9) 0%, rgba(5, 9, 7, 0) 100%);
  border-bottom: 1px solid rgba(185, 154, 90, 0.15);
  transition: var(--transition);
}

.site-header.scrolled {
  position: fixed;
  background: rgba(5, 9, 7, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(185, 154, 90, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo .logo-icon {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-gold-champagne);
  line-height: 1;
}

.brand-logo .logo-title {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 2.5px;
  font-weight: 600;
  color: var(--color-white-soft);
  line-height: 1.1;
}

.brand-logo .logo-sub {
  font-size: 8px;
  letter-spacing: 1.8px;
  color: var(--color-gold-champagne);
  display: block;
  opacity: 0.9;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.main-nav a {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  font-weight: 500;
  color: #c2c7c5;
  padding: 6px 0;
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-gold-champagne);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-gold-champagne);
}

/* NAVIGATION DROPDOWN */
.main-nav li {
  position: relative;
}

.main-nav .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 190px;
  background: #090f0c;
  border: 1px solid rgba(185, 154, 90, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.85);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}

.main-nav li:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-nav .dropdown-menu a {
  padding: 10px 18px;
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #c4cdc8;
  white-space: nowrap;
  transition: all 0.2s;
  border-bottom: 1px solid rgba(185, 154, 90, 0.08);
}

.main-nav .dropdown-menu a:last-child {
  border-bottom: none;
}

.main-nav .dropdown-menu a:hover,
.main-nav .dropdown-menu a.active {
  background: rgba(185, 154, 90, 0.12);
  color: var(--color-gold-champagne);
  padding-left: 22px;
}

.main-nav .dropdown-menu a::after {
  display: none !important;
}

/* Mobile Drawer Submenu */
.mobile-submenu {
  list-style: none;
  padding-left: 18px;
  margin: 6px 0 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 2px solid rgba(185, 154, 90, 0.3);
}

.mobile-submenu a {
  font-size: 12px !important;
  color: #a2aba5 !important;
  padding: 4px 0 !important;
}

.mobile-submenu a:hover {
  color: var(--color-gold-champagne) !important;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.5px;
  color: #c9cecc;
}

.header-phone svg {
  color: var(--color-gold-champagne);
}

.btn-gold {
  background: linear-gradient(135deg, #c7aa6c 0%, #b99a5a 50%, #9e7f3e 100%);
  color: #050907;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 11px 22px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(185, 154, 90, 0.2);
  transition: var(--transition);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(185, 154, 90, 0.35);
  background: linear-gradient(135deg, #d6bc83 0%, #c7aa6c 100%);
}

.btn-outline {
  background: rgba(8, 19, 14, 0.4);
  color: var(--color-white-soft);
  border: 1px solid rgba(185, 154, 90, 0.35);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 10px 20px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: var(--color-gold-champagne);
  color: var(--color-gold-champagne);
  background: rgba(185, 154, 90, 0.08);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background-color: var(--color-black-stone);
  overflow: hidden;
  padding-top: 84px;
}

.hero-slider-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 7s ease-out;
  transform: scale(1.06);
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  z-index: 2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(90deg, rgba(5, 9, 7, 0.92) 0%, rgba(8, 19, 14, 0.65) 50%, rgba(5, 9, 7, 0.8) 100%),
    linear-gradient(0deg, var(--color-black-stone) 0%, transparent 35%);
}

.hero-left-ribbon {
  position: absolute;
  left: 20px;
  top: 55%;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: center center;
  z-index: 10;
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-gold-champagne);
  white-space: nowrap;
  opacity: 0.85;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 600px;
  padding: 40px 0;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 4.8vw, 58px);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: 2px;
  color: #fff;
  margin-bottom: 20px;
}

.hero-title span {
  font-weight: 600;
  color: var(--color-gold-champagne);
  background: linear-gradient(135deg, #ffffff 20%, var(--color-gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 14px;
  font-weight: 300;
  color: var(--color-white-soft);
  margin-bottom: 30px;
  max-width: 440px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-controls {
  position: absolute;
  right: 40px;
  bottom: 35px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 18px;
}

.hero-counter {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 2px;
  color: #8c9298;
}

.hero-counter .curr {
  color: #fff;
  font-weight: 600;
}

.hero-nav-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(185, 154, 90, 0.25);
  background: rgba(5, 9, 7, 0.6);
  color: var(--color-white-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.hero-nav-btn:hover {
  border-color: var(--color-gold-champagne);
  color: var(--color-gold-champagne);
}

/* ==========================================================================
   SECTIONS GENERAL
   ========================================================================== */
.section {
  padding: 75px 0;
  position: relative;
}

.section-tag {
  font-size: 10px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-gold-champagne);
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--color-white-soft);
  line-height: 1.25;
}

.section-header {
  margin-bottom: 35px;
}

.section-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 35px;
}

/* ==========================================================================
   UYGULAMALAR SECTION - Natural Deep Khaki & Marble Vein Texture
   ========================================================================== */
#uygulamalar {
  background: 
    linear-gradient(135deg, rgba(8, 19, 14, 0.85) 0%, rgba(5, 9, 7, 0.95) 100%),
    radial-gradient(circle at 20% 40%, rgba(16, 34, 25, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(185, 154, 90, 0.04) 0%, transparent 60%);
  border-bottom: 1px solid rgba(185, 154, 90, 0.15);
}

#uygulamalar::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: 
    repeating-linear-gradient(
      -35deg,
      transparent,
      transparent 180px,
      rgba(232, 228, 216, 0.012) 181px,
      transparent 184px,
      transparent 360px,
      rgba(185, 154, 90, 0.015) 361px,
      transparent 363px
    );
  opacity: 0.9;
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.app-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 2px;
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  border-color: var(--color-gold-champagne);
  background: var(--color-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.app-card-img {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: #050907;
}

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

.app-card:hover .app-card-img img {
  transform: scale(1.05);
}

.app-card-body {
  padding: 12px 10px;
  background: rgba(8, 19, 14, 0.6);
}

.app-card-icon {
  width: 16px;
  height: 16px;
  color: var(--color-gold-champagne);
  margin-bottom: 6px;
}

.app-card-title {
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--color-white-soft);
  font-weight: 500;
  line-height: 1.2;
}

.app-card-link {
  font-size: 10px;
  letter-spacing: 0.5px;
  color: var(--color-gold-light);
  display: inline-block;
  margin-top: 4px;
}

/* ==========================================================================
   1. TAŞ KOLEKSİYONLARI - High-end Marble Texture (#102219 Green & Gold Fumes)
   ========================================================================== */
.stone-section {
  position: relative;
  background-color: var(--color-black-stone);
  border-top: 1px solid rgba(185, 154, 90, 0.18);
  border-bottom: 1px solid rgba(185, 154, 90, 0.18);
  padding: 80px 0;
  overflow: hidden;
}

.stone-section::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: 
    radial-gradient(ellipse 70% 50% at 15% 30%, rgba(16, 34, 25, 0.45) 0%, transparent 70%),
    radial-gradient(ellipse 60% 60% at 85% 65%, rgba(8, 19, 14, 0.6) 0%, transparent 60%),
    linear-gradient(115deg, transparent 40%, rgba(232, 228, 216, 0.02) 41%, rgba(185, 154, 90, 0.025) 41.5%, transparent 43%),
    linear-gradient(-65deg, transparent 60%, rgba(232, 228, 216, 0.015) 60.8%, transparent 62%),
    repeating-linear-gradient(45deg, transparent 0, transparent 240px, rgba(185, 154, 90, 0.01) 241px, transparent 243px);
  z-index: 1;
}

.stone-carousel-wrap {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.stone-left-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stone-left-info .section-desc {
  font-size: 13px;
  color: #a2aba6;
  line-height: 1.6;
  margin: 14px 0 24px;
}

.stones-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.stone-card {
  background: rgba(14, 25, 20, 0.65);
  border: 1px solid var(--color-card-border);
  border-radius: 2px;
  overflow: hidden;
  text-align: center;
  backdrop-filter: blur(6px);
  transition: var(--transition);
}

.stone-card:hover {
  border-color: var(--color-gold-champagne);
  background: rgba(20, 36, 28, 0.85);
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.65);
}

.stone-slab-wrap {
  aspect-ratio: 4 / 5;
  background: #08130e;
  overflow: hidden;
}

.stone-slab-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.stone-card:hover .stone-slab-wrap img {
  transform: scale(1.06);
}

.stone-info {
  padding: 10px 6px;
  background: rgba(8, 19, 14, 0.7);
}

.stone-title {
  font-family: var(--font-serif);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-white-soft);
  margin-bottom: 2px;
}

.stone-type {
  font-size: 9px;
  color: #929d97;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   KALİTE / AVANTAJLAR (IKON BAR)
   ========================================================================== */
.features-bar {
  background: 
    linear-gradient(90deg, #050907 0%, #08130e 50%, #050907 100%);
  border-bottom: 1px solid rgba(185, 154, 90, 0.15);
  padding: 38px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.feature-icon {
  width: 36px;
  height: 36px;
  color: var(--color-gold-champagne);
  flex-shrink: 0;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-white-soft);
  margin-bottom: 2px;
}

.feature-desc {
  font-size: 11px;
  color: #959e99;
  line-height: 1.4;
}

/* ==========================================================================
   2. PROJELER SECTION - Deep Basalt & Soft Smoked Marble Backdrop
   ========================================================================== */
#projeler {
  position: relative;
  background-color: var(--color-black-stone);
  overflow: hidden;
  padding: 80px 0;
}

#projeler::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: 
    radial-gradient(ellipse at 80% 20%, rgba(16, 34, 25, 0.35) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(8, 19, 14, 0.45) 0%, transparent 60%),
    linear-gradient(130deg, transparent 48%, rgba(232, 228, 216, 0.015) 48.5%, rgba(185, 154, 90, 0.02) 49%, transparent 50%),
    linear-gradient(-45deg, transparent 72%, rgba(232, 228, 216, 0.018) 72.4%, transparent 73.2%);
  z-index: 1;
}

.projects-container-grid {
  display: grid;
  grid-template-columns: 260px 1.4fr 1.6fr;
  gap: 16px;
  align-items: stretch;
  position: relative;
  z-index: 2;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  background: #08130e;
}

.project-card.featured {
  grid-column: span 1;
  grid-row: span 2;
  aspect-ratio: auto;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover img {
  transform: scale(1.06);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5, 9, 7, 0.95) 0%, rgba(8, 19, 14, 0.4) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
}

.project-title {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-white-soft);
}

.project-sub {
  font-size: 11px;
  color: var(--color-gold-champagne);
  margin-top: 2px;
}

.projects-left-desc {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.projects-big-card {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  height: 100%;
  min-height: 280px;
}

.projects-big-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.projects-big-card:hover img {
  transform: scale(1.05);
}

.projects-small-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 12px;
}

.project-thumb-card {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--color-card-border);
}

.project-thumb-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-thumb-card:hover img {
  transform: scale(1.06);
}

.project-caption-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5, 9, 7, 0.95) 0%, rgba(8, 19, 14, 0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px 14px;
}

.project-caption-overlay h4 {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-white-soft);
}

.project-caption-overlay span {
  font-size: 9px;
  color: var(--color-gold-champagne);
}

/* ==========================================================================
   3. CTA / TEKLİF AL - Rich Deep Green Marble & Champagne Gold Veins
   ========================================================================== */
.cta-banner {
  position: relative;
  background-color: var(--color-khaki-deep);
  border-top: 1px solid rgba(185, 154, 90, 0.35);
  border-bottom: 1px solid rgba(185, 154, 90, 0.35);
  padding: 55px 0;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: 
    radial-gradient(ellipse at 30% 50%, rgba(16, 34, 25, 0.85) 0%, transparent 70%),
    radial-gradient(ellipse at 75% 50%, rgba(8, 19, 14, 0.9) 0%, transparent 70%),
    linear-gradient(65deg, transparent 44%, rgba(185, 154, 90, 0.07) 44.8%, rgba(232, 228, 216, 0.04) 45.2%, transparent 46%),
    linear-gradient(-35deg, transparent 52%, rgba(232, 228, 216, 0.04) 52.6%, transparent 53.5%),
    repeating-linear-gradient(-60deg, transparent 0, transparent 180px, rgba(185, 154, 90, 0.02) 181px, transparent 183px);
  z-index: 1;
}

.cta-overlay-tint {
  position: absolute;
  inset: 0;
  background: rgba(5, 9, 7, 0.45);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 23px;
  color: var(--color-gold-champagne);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  line-height: 1.3;
  margin-bottom: 6px;
}

.cta-desc {
  font-size: 13px;
  color: var(--color-white-soft);
  opacity: 0.85;
  margin-bottom: 20px;
}

.cta-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-whatsapp {
  background: #128c7e;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 10px 20px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-whatsapp:hover {
  background: #0e6e63;
  transform: translateY(-2px);
}

.cta-features {
  display: flex;
  align-items: center;
  gap: 28px;
}

.cta-feature {
  text-align: center;
  max-width: 120px;
}

.cta-feature-icon {
  width: 28px;
  height: 28px;
  margin: 0 auto 6px;
  color: var(--color-gold-champagne);
}

.cta-feature-title {
  font-family: var(--font-serif);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-white-soft);
  margin-bottom: 2px;
}

.cta-feature-sub {
  font-size: 9px;
  color: #92a29b;
}

/* ==========================================================================
   4. FOOTER - Luxury Smoked Quartz & Basalt Texture
   ========================================================================== */
.site-footer {
  position: relative;
  background-color: var(--color-black-stone);
  padding: 65px 0 25px;
  border-top: 1px solid rgba(185, 154, 90, 0.18);
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: 
    radial-gradient(circle at 10% 90%, rgba(16, 34, 25, 0.4) 0%, transparent 60%),
    radial-gradient(circle at 90% 10%, rgba(8, 19, 14, 0.5) 0%, transparent 60%),
    linear-gradient(75deg, transparent 40%, rgba(232, 228, 216, 0.012) 40.8%, rgba(185, 154, 90, 0.015) 41.2%, transparent 42%);
  z-index: 1;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr 1.4fr;
  gap: 30px;
  margin-bottom: 40px;
  position: relative;
  z-index: 2;
}

.footer-brand p {
  color: #a0a8a4;
  font-size: 12px;
  margin: 14px 0 18px;
  max-width: 260px;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(185, 154, 90, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #959e9a;
  transition: var(--transition);
}

.social-link:hover {
  border-color: var(--color-gold-champagne);
  color: var(--color-gold-champagne);
  background: rgba(185, 154, 90, 0.08);
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-white-soft);
  margin-bottom: 18px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 18px;
  height: 1px;
  background: var(--color-gold-champagne);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  font-size: 11px;
  color: #a0a8a4;
}

.footer-col a:hover {
  color: var(--color-gold-champagne);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 11px;
  color: #a0a8a4;
}

.footer-contact-item svg {
  width: 15px;
  height: 15px;
  color: var(--color-gold-champagne);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(185, 154, 90, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: #6d7571;
  position: relative;
  z-index: 2;
}

/* FLOATING WHATSAPP */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.floating-whatsapp:hover {
  transform: scale(1.08);
}

/* ==========================================================================
   İÇ SAYFALAR (TAŞ DETAY, UYGULAMALAR, PROJELER, KURUMSAL, İLETİŞİM)
   ========================================================================== */

/* TAŞ DETAY SAYFASI */
.stone-detail-header {
  padding: 130px 0 60px;
  background: 
    linear-gradient(180deg, rgba(8, 19, 14, 0.9) 0%, rgba(5, 9, 7, 0.98) 100%),
    radial-gradient(ellipse at 20% 30%, rgba(16, 34, 25, 0.5) 0%, transparent 60%);
  border-bottom: 1px solid rgba(185, 154, 90, 0.2);
  position: relative;
}

.stone-breadcrumbs {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #8c9590;
  margin-bottom: 25px;
}

.stone-breadcrumbs a {
  color: var(--color-gold-champagne);
}

.stone-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 50px;
  align-items: start;
}

.stone-main-display {
  background: rgba(14, 25, 20, 0.7);
  border: 1px solid var(--color-card-border);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
}

.stone-zoom-container {
  position: relative;
  overflow: hidden;
  cursor: crosshair;
}

.stone-zoom-container img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 0.25s ease-out;
}

.stone-specs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0 28px;
}

.stone-specs-table tr {
  border-bottom: 1px solid rgba(185, 154, 90, 0.15);
}

.stone-specs-table td {
  padding: 11px 0;
  font-size: 13px;
}

.stone-specs-table td.spec-label {
  color: #929d96;
  width: 40%;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 1.2px;
}

.stone-specs-table td.spec-val {
  color: var(--color-white-soft);
  font-weight: 600;
}

/* 10+ GALERİ BÖLÜMÜ */
.gallery-section {
  padding: 80px 0;
  background-color: var(--color-black-stone);
  position: relative;
}

.gallery-section::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 80% 40%, rgba(16, 34, 25, 0.4) 0%, transparent 60%);
}

.gallery-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.gallery-tab-btn {
  background: rgba(14, 25, 20, 0.7);
  border: 1px solid var(--color-card-border);
  color: #c0c6c2;
  padding: 7px 16px;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: var(--transition);
}

.gallery-tab-btn.active,
.gallery-tab-btn:hover {
  border-color: var(--color-gold-champagne);
  color: var(--color-gold-champagne);
  background: rgba(185, 154, 90, 0.1);
}

.gallery-masonry {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  background: #08130e;
}

.gallery-item.tall {
  grid-row: span 2;
  aspect-ratio: auto;
}

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

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5, 9, 7, 0.95) 0%, rgba(8, 19, 14, 0.4) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px;
  opacity: 0;
  transition: var(--transition);
}

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

.gallery-tag {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-gold-champagne);
}

.gallery-title {
  font-size: 12px;
  color: var(--color-white-soft);
  font-weight: 500;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
  .applications-grid, .stones-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .projects-container-grid, .projects-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
  .stone-detail-grid {
    grid-template-columns: 1fr;
  }
  .gallery-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   MOBILE HAMBURGER & DRAWER MENU
   ========================================================================== */
.mobile-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid rgba(185, 154, 90, 0.4);
  padding: 8px 10px;
  border-radius: 3px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.mobile-toggle-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-gold-champagne);
  transition: var(--transition);
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: #08110d;
  border-left: 1px solid rgba(185, 154, 90, 0.25);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 24px;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0,0,0,0.8);
}

.mobile-nav-drawer.active {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(185, 154, 90, 0.2);
}

.mobile-close-btn {
  background: transparent;
  border: none;
  color: var(--color-gold-champagne);
  font-size: 32px;
  line-height: 1;
  cursor: pointer;
}

.mobile-nav-links {
  list-style: none;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  overflow-y: auto;
}

.mobile-nav-links a {
  font-size: 13px;
  letter-spacing: 1.5px;
  font-weight: 500;
  color: #d5dad7;
  display: block;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.mobile-nav-links a:hover {
  color: var(--color-gold-champagne);
  padding-left: 6px;
}

.mobile-drawer-footer {
  border-top: 1px solid rgba(185, 154, 90, 0.2);
  padding-top: 20px;
}

/* ==========================================================================
   COLOR & TEXTURE FILTER BAR
   ========================================================================== */
.filter-bar-wrap {
  background: rgba(14, 25, 20, 0.6);
  border: 1px solid var(--color-card-border);
  padding: 16px 20px;
  border-radius: 3px;
  margin-bottom: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-gold-champagne);
  font-weight: 600;
  margin-right: 4px;
}

.color-dot-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
}

.color-dot-btn:hover, .color-dot-btn.active {
  transform: scale(1.15);
  border-color: var(--color-gold-champagne);
}

/* ==========================================================================
   STONE COMPARISON TABLE STYLES
   ========================================================================== */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.compare-card {
  background: rgba(14, 25, 20, 0.7);
  border: 1px solid var(--color-card-border);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.compare-card.highlight {
  border-color: var(--color-gold-champagne);
  box-shadow: 0 10px 30px rgba(185, 154, 90, 0.15);
}

.compare-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(185, 154, 90, 0.1);
  font-size: 13px;
}

.compare-row .lbl {
  color: #929d96;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.compare-row .val {
  color: var(--color-white-soft);
  font-weight: 600;
  text-align: right;
}

/* RESPONSIVE UPDATES */
@media (max-width: 1100px) {
  .applications-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .projects-container-grid, .projects-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
  .stone-detail-grid {
    grid-template-columns: 1fr;
  }
  .gallery-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 990px) {
  .stone-carousel-wrap {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .stone-left-info {
    text-align: left;
    max-width: 100%;
  }

  .stones-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 16px;
    padding: 10px 4px 16px 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gold-champagne) rgba(14, 25, 20, 0.5);
    width: 100%;
  }

  .stone-card {
    flex: 0 0 190px;
    scroll-snap-align: start;
    border-radius: 4px;
  }

  .stone-slab-wrap {
    aspect-ratio: 3 / 4;
  }
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
  }
  .mobile-toggle-btn {
    display: flex;
  }
}

@media (max-width: 768px) {
  .header-phone {
    display: none;
  }
  
  .stone-card {
    flex: 0 0 175px;
  }

  /* LÜKS MOBİL HORIZONTAL SLIDER: UYGULAMALARIMIZ */
  .applications-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 14px;
    padding-bottom: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gold-champagne) rgba(14, 25, 20, 0.5);
  }

  .applications-grid::-webkit-scrollbar {
    height: 4px;
  }

  .applications-grid::-webkit-scrollbar-thumb {
    background: var(--color-gold-champagne);
    border-radius: 2px;
  }

  .app-card {
    flex: 0 0 170px;
    scroll-snap-align: start;
  }

  /* DİĞER MOBİL DÜZENLEMELER */
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .cta-buttons, .cta-features {
    justify-content: center;
    flex-wrap: wrap;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* DESKTOP & TABLET: ANKARA SEO & SSS BÖLÜMÜ (YAN YANA 2 SÜTUN) */
.seo-ankara-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: flex-start;
  width: 100%;
}

.seo-chips-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 20px;
}

.seo-faq-card {
  background: #09100c;
  border: 1px solid rgba(185, 154, 90, 0.25);
  border-radius: 3px;
  padding: 28px;
}

/* SADECE MOBİL TELEFONLAR (<= 600px): TEK SÜTUN */
@media (max-width: 600px) {
  .seo-ankara-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 28px !important;
  }

  .seo-chips-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
  }

  .seo-ankara-content .section-title {
    font-size: 22px !important;
    line-height: 1.3 !important;
  }

  .seo-faq-card {
    padding: 20px 16px !important;
  }
}