@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600&display=swap');

:root {
  /* Ultra-Premium Brand Colors */
  --primary: #C0392B;
  --primary-hover: #A93226;
  --secondary: #8E8E8E;
  --secondary-light: #CCCCCC;
  --bg-light: #FBFBFB; /* Softer, richer white */
  --bg-white: #FFFFFF;
  --bg-dark: #0A0A0A; /* Ultra deep charcoal, better than harsh black */
  --bg-darker: #000000; /* Absolute black for navbar */
  --text-dark: #1D1D1F; /* Apple-style dark text */
  --text-muted: #6E6E73;
  --accent: #E53935;
  
  /* Bootstrap Core Overrides */
  --bs-primary: #C0392B;
  --bs-primary-rgb: 192, 57, 43;
  --bs-success: #0A0A0A; 
  --bs-success-rgb: 10, 10, 10;
  --bs-info: #8E8E8E;
  --bs-link-color: #C0392B;
  --bs-link-hover-color: #A93226;
  --bs-body-bg: var(--bg-light);
  --bs-body-color: var(--text-dark);

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Poppins', sans-serif;

  /* Premium Effects & Easing */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 30px 60px -15px rgba(192, 57, 43, 0.15);
  
  /* Exponential Out easing for high-end luxury feel */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.3s var(--ease-out-expo);
  --transition-smooth: all 0.6s var(--ease-out-expo);
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--bg-light);
  overflow-x: hidden;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.03em; /* Tighter tracking for headings = premium */
  line-height: 1.2;
  color: inherit;
}

p {
  letter-spacing: 0.01em;
  color: var(--text-muted);
}

/* -------------------------------------
   Navbar (Solid Black & Minimalist)
-------------------------------------- */
.navbar {
  transition: var(--transition-smooth);
  padding: 20px 0;
  background-color: var(--bg-darker) !important;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  z-index: 1030;
}
.navbar.scrolled {
  background-color: var(--bg-darker) !important;
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.navbar-brand img {
  height: 50px;
  object-fit: contain;
  transition: var(--transition-smooth);
}
.navbar.scrolled .navbar-brand img {
  height: 40px;
}
.nav-link {
  font-weight: 500;
  color: #ffffff !important;
  transition: var(--transition-fast);
  position: relative;
  margin: 0 15px;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
}
.nav-link:hover, .nav-link.active {
  color: #ffffff !important;
  opacity: 1;
}
.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -6px;
  left: 50%;
  background-color: var(--primary);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* -------------------------------------
   Premium Buttons
-------------------------------------- */
.btn-primary-custom {
  background-color: var(--primary);
  border: none;
  color: #fff !important;
  font-weight: 600;
  padding: 16px 40px;
  letter-spacing: 0.1em;
  border-radius: 4px;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  font-size: 0.85rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
  box-shadow: 0 10px 20px rgba(192, 57, 43, 0.2);
}
.btn-primary-custom::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-color: var(--bg-dark);
  transition: transform 0.6s var(--ease-out-expo);
  transform: scaleX(0);
  transform-origin: right;
  z-index: -1;
}
.btn-primary-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}
.btn-primary-custom:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

/* Detail Buttons (Replacing Green WhatsApp) */
.btn-whatsapp {
  background-color: var(--bg-dark);
  border: 1px solid rgba(255,255,255,0.05);
  color: #fff !important;
  font-weight: 600;
  padding: 16px 40px;
  letter-spacing: 0.1em;
  border-radius: 4px;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}
.btn-whatsapp i { 
  color: var(--primary); 
  transition: var(--transition-fast); 
  font-size: 1.3rem;
  margin-right: 12px;
}
.btn-whatsapp:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.btn-whatsapp:hover i { color: #fff; transform: scale(1.1); }

/* -------------------------------------
   Fixed Action Buttons (FABs) - Glassmorphism
-------------------------------------- */
.fab-container {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 9999;
}
.fab-btn {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(10, 10, 10, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  font-size: 20px;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  transition: var(--transition-smooth);
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
}
.fab-btn i {
  color: rgba(255,255,255,0.9);
  transition: var(--transition-fast);
}
.fab-btn:hover {
  transform: scale(1.15) translateY(-5px);
  background-color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 15px 35px rgba(192, 57, 43, 0.4);
}
.fab-btn:hover i {
  color: #fff;
  transform: scale(1.1);
}

/* -------------------------------------
   Hero Section
-------------------------------------- */
.hero-swiper {
  height: 100vh;
  width: 100%;
}
.hero-slide {
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
}
.hero-slide::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(10,10,10,0.9) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 900px;
  margin: 0 auto;
}
.hero-content h1 {
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  text-shadow: 0 10px 30px rgba(0,0,0,0.5);
  margin-bottom: 20px;
}
.hero-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1.2rem;
  font-weight: 300;
}

/* -------------------------------------
   Premium Checklist (Services)
-------------------------------------- */
.premium-checklist {
  position: relative;
  z-index: 2;
}
.premium-checklist .check-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-left: 4px solid var(--primary);
  padding: 22px 30px;
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  border-radius: 6px;
  transition: var(--transition-smooth);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}
.premium-checklist .check-item i {
  color: var(--primary);
  font-size: 1.5rem;
  margin-right: 20px;
  transition: var(--transition-fast);
}
.premium-checklist .check-item:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.15);
  transform: translateX(15px);
  color: #fff;
  box-shadow: 0 15px 35px rgba(0,0,0,0.6);
  border-left-color: var(--primary-hover);
}
.premium-checklist .check-item:hover i {
  transform: scale(1.2);
}

/* -------------------------------------
   Cards & Icon Boxes (Ultra Modern)
-------------------------------------- */
.product-card {
  border: 1px solid rgba(0,0,0,0.03);
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  border-radius: 12px;
  overflow: hidden;
  height: 100%;
}
.product-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-lg);
}
.product-img {
  height: 320px;
  object-fit: cover;
  width: 100%;
  transition: transform 0.8s var(--ease-out-expo);
}
.product-card:hover .product-img {
  transform: scale(1.06);
}
.product-card .card-body {
  padding: 40px 30px;
}

/* Service / Feature Cards */
.icon-box, .service-card {
  text-align: left;
  padding: 50px 40px;
  border-radius: 12px;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
  border: 1px solid rgba(0,0,0,0.02) !important;
}
.icon-box::after, .service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 4px; height: 0%;
  background-color: var(--primary);
  transition: var(--transition-smooth);
}
.icon-box:hover, .service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}
.icon-box:hover::after, .service-card:hover::after {
  height: 100%;
}

/* Premium Icon Glow */
.icon-wrapper {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(192, 57, 43, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  transition: var(--transition-smooth);
}
.icon-box:hover .icon-wrapper, .service-card:hover .icon-wrapper {
  background: var(--primary);
}
.icon-wrapper i {
  font-size: 1.8rem;
  color: var(--primary);
  transition: var(--transition-fast);
}
.icon-box:hover .icon-wrapper i, .service-card:hover .icon-wrapper i {
  color: #fff;
  transform: scale(1.1);
}

/* -------------------------------------
   Dynamic Filter Buttons (Premium)
-------------------------------------- */
.filter-btn {
  background-color: transparent;
  border: 1px solid var(--secondary-light);
  color: var(--text-dark);
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 500;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  outline: none;
}
.filter-btn:hover {
  border-color: var(--bg-dark);
  color: var(--bg-dark);
  background-color: rgba(0,0,0,0.03);
  transform: translateY(-2px);
}
.filter-btn.active {
  background-color: var(--bg-dark);
  border-color: var(--bg-dark);
  color: #ffffff !important;
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.product-item {
  transition: opacity 0.4s var(--ease-out-expo), transform 0.4s var(--ease-out-expo);
}

/* -------------------------------------
   Ultra-Premium Section Spacing (Ferahlık)
-------------------------------------- */
.section-spacing {
  padding-top: 140px;
  padding-bottom: 140px;
}

@media (max-width: 991px) {
  .section-spacing {
    padding-top: 80px;
    padding-bottom: 80px;
  }
}

/* -------------------------------------
   Footer
-------------------------------------- */
footer {
  background-color: var(--bg-dark);
  color: var(--secondary-light);
  padding: 100px 0 40px;
  font-size: 0.95rem;
}
footer h5 {
  color: #fff;
  font-weight: 600;
  margin-bottom: 30px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 1rem;
}
footer a {
  color: var(--secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}
footer a:hover {
  color: #fff;
  padding-left: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 30px;
  margin-top: 60px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}