:root {
  /* Uyumlu koyu renk paleti */
  --primary-navy: #0a0e1a;
  --secondary-navy: #1a1f2e;
  --accent-navy: #2a3441;
  --light-navy: #3a4553;
  --darker-navy: #050812;
  --white: #ffffff;
  --light-gray: #f0f2f5;
  --medium-gray: #9ca3af;
  --dark-gray: #6b7280;
  --success: #10b981;
  --warning: #f59e0b;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background: var(--primary-navy);
  color: var(--white);
  overflow-x: hidden;
  padding-top: var(--header-height);
}

/* Ana Sayfa Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-navy) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: all 0.8s ease;
}

.loading-screen.fade-out {
  opacity: 0;
  transform: scale(1.1);
}

/* Loading Logo Animation */
.loading-logo {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  animation: logoEntrance 1.5s ease-out;
}

@keyframes logoEntrance {
  0% {
    opacity: 0;
    transform: translateY(-50px) scale(0.8);
  }

  50% {
    opacity: 1;
    transform: translateY(0) scale(1.1);
  }

  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.loading-logo-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
  animation: logoIconPulse 1.5s ease-in-out infinite;
}

.loading-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@keyframes logoIconPulse {

  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
  }

  50% {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.3);
  }
}

.loading-logo-text h1 {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  animation: textGlow 1.5s ease-in-out infinite alternate;
}

@keyframes textGlow {
  0% {
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.3));
  }

  100% {
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.6));
  }
}

.loading-logo-text p {
  font-size: 1.2rem;
  color: var(--medium-gray);
  margin: 0;
  text-align: center;
  opacity: 0;
  animation: subtextAppear 0.8s ease-out 0.8s forwards;
}

@keyframes subtextAppear {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Loading Progress - 2 SANİYE İÇİN DÜZELTİLMİŞ */
.loading-progress {
  width: 300px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 2rem;
}

.loading-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--white) 0%, var(--light-gray) 100%);
  border-radius: 2px;
  animation: loadingProgressFast 2s ease-out forwards;
}

@keyframes loadingProgressFast {
  0% {
    width: 0%;
  }

  25% {
    width: 40%;
  }

  50% {
    width: 70%;
  }

  75% {
    width: 90%;
  }

  100% {
    width: 100%;
  }
}

/* Loading Text */
.loading-text {
  margin-top: 1rem;
  color: var(--light-gray);
  font-size: 0.9rem;
  opacity: 0;
  animation: loadingTextAppear 0.5s ease-out 1.2s forwards;
}

@keyframes loadingTextAppear {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Farewell Animation */
.loading-screen.farewell {
  animation: farewellAnimation 0.6s ease-in-out forwards;
}

@keyframes farewellAnimation {
  0% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.02);
  }

  100% {
    opacity: 0;
    transform: scale(1.1);
  }
}

/* Basit Loading Screen (Diğer Sayfalar İçin) */
.simple-loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--primary-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: all 0.3s ease;
}

.simple-loading-screen.fade-out {
  opacity: 0;
}

.simple-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.simple-logo {
  animation: simplePulse 1s ease-in-out infinite;
}

.simple-logo-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: var(--primary-navy);
  font-size: 2rem;
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

@keyframes simplePulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }
}

.simple-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--white);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* Header - DÜZELTİLMİŞ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 1000;
  transition: all 0.3s ease;
  /* Başlangıçta görünür yap, sadece transform ile gizle */
  opacity: 1;
  transform: translateY(-100%);
}

/* Ana sayfa için header animasyonu - 2 SANİYE */
.header.home-page {
  animation: headerSlideIn 0.8s ease-out 2s forwards;
}

/* Diğer sayfalar için header animasyonu */
.header.other-page {
  animation: headerSlideInFast 0.5s ease-out 1s forwards;
}

@keyframes headerSlideIn {
  0% {
    opacity: 1;
    transform: translateY(-100%);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes headerSlideInFast {
  0% {
    opacity: 1;
    transform: translateY(-100%);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.header.scrolled {
  background: rgba(5, 8, 18, 0.98);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

/* Logo güncellemeleri */
.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 1001;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.logo-text p {
  font-size: 0.7rem;
  color: var(--medium-gray);
  margin: 0;
}

/* Navigation */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
  margin: 0;
  padding: 0;
  flex: 1;
  justify-content: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: block;
  font-size: 1rem;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.06) 100%);
  transition: left 0.3s ease;
  z-index: -1;
  border-radius: 25px;
}

.nav-link:hover::before,
.nav-link.active::before {
  left: 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: calc(100% + 15px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(26, 31, 46, 0.98);
  backdrop-filter: blur(25px);
  border-radius: 15px;
  padding: 1.5rem;
  min-width: 500px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.mega-menu-item {
  padding: 1rem;
  border-radius: 10px;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
}

.mega-menu-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.12);
}

.mega-menu-item h4 {
  color: var(--white);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.mega-menu-item p {
  color: var(--medium-gray);
  font-size: 0.85rem;
  margin: 0;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-toggle span {
  width: 25px;
  height: 3px;
  background: var(--white);
  margin: 3px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile Navigation */
.nav-menu.mobile-active {
  display: flex;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(26, 31, 46, 0.98);
  backdrop-filter: blur(25px);
  flex-direction: column;
  padding: 2rem;
  gap: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

/* Hero Section */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-navy) 50%, var(--accent-navy) 100%);
  margin-top: calc(-1 * var(--header-height));
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 14, 26, 0.8) 0%, rgba(26, 31, 46, 0.6) 50%, rgba(42, 52, 65, 0.4) 100%);
  z-index: 1;
}

/* Hero Content Animasyonunu da 2 saniyeye uyarla */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 2rem;
  opacity: 0;
  transform: translateY(50px);
  animation: heroContentAppear 1s ease-out 2.5s forwards;
}

@keyframes heroContentAppear {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.2rem;
  color: var(--light-gray);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  color: var(--primary-navy);
  padding: 1rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
}

/* Scroll Indicator'ı da düzelt */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--white);
  text-align: center;
  opacity: 0;
  animation: scrollIndicatorAppear 1s ease-out 3s forwards, bounce 2s 3s infinite;
}

@keyframes scrollIndicatorAppear {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }

  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-10px);
  }

  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Page Hero for internal pages */
.page-hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-navy) 50%, var(--accent-navy) 100%);
  text-align: center;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 14, 26, 0.8) 0%, rgba(26, 31, 46, 0.6) 50%, rgba(42, 52, 65, 0.4) 100%);
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--white);
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero p {
  font-size: 1.2rem;
  color: var(--light-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* Section Genel Stilleri */
section {
  padding: 5rem 0;
}

/* Statistics Section */
.stats-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--secondary-navy) 0%, var(--accent-navy) 50%, var(--light-navy) 100%);
  position: relative;
}

.stats-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.4s ease;
}

.stat-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 0.5rem;
  display: block;
}

.stat-static {
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 0.5rem;
  display: block;
}


.stat-number.stat-plus::before {
  content: "+";
  margin-right: 4px;
}

.stat-label {
  font-size: 1.1rem;
  color: var(--light-gray);
  font-weight: 500;
}

/* Services Section */
.services-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--darker-navy) 100%);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--white);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--light-gray);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: linear-gradient(135deg, var(--secondary-navy) 0%, var(--accent-navy) 100%);
  border-radius: 20px;
  padding: 2.5rem;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.04) 100%);
  transition: left 0.5s ease;
  z-index: 1;
}

.service-card:hover::before {
  left: 0;
}

.service-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.service-icon {
  width: 75px;
  height: 75px;
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary-navy);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

.service-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--white);
  position: relative;
  z-index: 2;
}

.service-card p {
  color: var(--light-gray);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.service-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.service-link:hover {
  transform: translateX(8px);
}

/* Portfolio Section */
.portfolio-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--accent-navy) 0%, var(--light-navy) 50%, var(--secondary-navy) 100%);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  color: var(--light-gray);
  border: 2px solid rgba(255, 255, 255, 0.2);
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 0.95rem;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--white);
  color: var(--primary-navy);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  transition: all 0.4s ease;
  min-height: 300px;
  /* sabit yükseklik yerine alt sınır */
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.portfolio-item:hover {
  transform: scale(1.03);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--secondary-navy) 0%, var(--primary-navy) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 2.8rem;
}

.portfolio-content {
  padding: 1.5rem;
}

.portfolio-content h4 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.portfolio-content p {
  color: var(--light-gray);
  font-size: 0.9rem;
  margin: 0;
}

/* Contact Section */
.contact-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-navy) 100%);
}

.contact-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  padding: 1rem;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--white);
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.8rem;
  padding: 1.2rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}

.info-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
}

.info-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-navy);
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

.info-content h4 {
  color: var(--white);
  margin-bottom: 0.3rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.info-content p {
  color: var(--light-gray);
  font-size: 0.95rem;
  margin: 0;
}

.contact-form {
  background: linear-gradient(135deg, var(--secondary-navy) 0%, var(--accent-navy) 100%);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.contact-form h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--white);
}

.contact-form p {
  color: var(--light-gray);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.8rem;
}

.form-group label {
  display: block;
  color: var(--white);
  font-weight: 500;
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.form-control::placeholder {
  color: var(--medium-gray);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

select.form-control {
  cursor: pointer;
}

/* Sosyal Medya İkonları - MÜKEMMEL ORTALAMA */
.social-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.social-links a {
  width: 45px;
  height: 45px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  font-size: 18px;
  transition: all 0.3s ease;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin: 0;
  position: relative;
  overflow: hidden;
  display: block;
}

.social-links a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.social-links a i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  transition: color 0.3s ease;
  width: auto;
  height: auto;
  line-height: 1;
  font-style: normal;
  margin: 0;
  padding: 0;
  display: block;
}

.social-links a:hover::before {
  opacity: 1;
}

.social-links a:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.social-links a:hover i {
  color: var(--primary-navy);
}

/* Özel sosyal medya renkleri */
.social-links a.facebook:hover::before {
  background: #1877f2;
}

.social-links a.facebook:hover i {
  color: white;
}

.social-links a.instagram:hover::before {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-links a.instagram:hover i {
  color: white;
}

.social-links a.whatsapp:hover::before {
  background: #25d366;
}

.social-links a.whatsapp:hover i {
  color: white;
}

.social-links a.linkedin:hover::before {
  background: #0077b5;
}

.social-links a.linkedin:hover i {
  color: white;
}

.social-links a.twitter:hover::before {
  background: #1da1f2;
}

.social-links a.twitter:hover i {
  color: white;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--secondary-navy) 0%, var(--primary-navy) 100%);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: auto;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}

.footer-section {
  display: flex;
  flex-direction: column;
}

.footer-section h4 {
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-section p {
  color: var(--light-gray);
  line-height: 1.7;
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
}

.footer-section a {
  color: var(--light-gray);
  text-decoration: none;
  line-height: 1.8;
  margin-bottom: 0.8rem;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  display: block;
}

.footer-section p a {
  display: inline;
  margin-left: 0.5rem;
  /* ikon ile yazı arasına mesafe için */
}

.footer-section a:hover {
  color: var(--white);
  transform: translateX(5px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
  color: var(--medium-gray);
  font-size: 0.9rem;
}

.footer-bottom a {
  color: var(--medium-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Utility Classes */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

.hidden {
  display: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.mt-4 {
  margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  body {
    padding-top: var(--header-height);
  }

  .nav-container {
    padding: 0 1rem;
  }

  .nav-menu {
    display: none;
    justify-content: flex-start;
  }

  .nav-menu.mobile-active {
    display: flex;
  }

  .mobile-toggle {
    display: flex;
  }

  .mega-menu {
    display: none;
  }

  .hero {
    margin-top: calc(-1 * var(--header-height));
    padding-top: var(--header-height);
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .page-hero {
    padding: 6rem 0 3rem;
  }

  .page-hero h1 {
    font-size: 2.2rem;
  }

  .page-hero p {
    font-size: 1rem;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .loading-logo {
    flex-direction: column;
    text-align: center;
  }

  .loading-logo-text h1 {
    font-size: 2.5rem;
  }

  .loading-progress {
    width: 250px;
  }

  .logo-icon {
    width: 35px;
    height: 35px;
  }

  .loading-logo-icon {
    width: 60px;
    height: 60px;
  }

  .social-links {
    gap: 0.8rem;
  }

  .social-links a {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .simple-logo-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }

  .simple-spinner {
    width: 35px;
    height: 35px;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 0.5rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
  }

  .contact-form,
  .contact-info {
    padding: 1.5rem;
  }

  .social-links {
    gap: 0.6rem;
  }

  .social-links a {
    width: 38px;
    height: 38px;
    font-size: 15px;
  }

  .loading-logo-text h1 {
    font-size: 2rem;
  }

  .loading-logo-icon {
    width: 60px;
    height: 60px;
  }

  .loading-progress {
    width: 200px;
  }
}


/* Ürünler Sayfası Stilleri */

/* Product Categories Section */
.product-categories-section {
  padding: 4rem 0 3rem;
  background: var(--secondary-navy);
}

.category-filters {
  max-width: 500px;
  margin: 2rem auto 0;
  /* ortaya al */
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* Ürün Filtreleme Butonları */
.product-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.category-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  color: var(--light-gray);
  border: 2px solid rgba(255, 255, 255, 0.2);
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.95rem;
  text-align: center;
  transition: all 0.3s ease;
}

.category-btn i {
    font-size: 0.95rem;
}

.category-btn.active,
.category-btn:hover {
  background: var(--white);
  color: var(--primary-navy);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

/* Products Section */
.products-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--darker-navy) 100%);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.product-card {
  background: linear-gradient(135deg, var(--secondary-navy) 0%, var(--accent-navy) 100%);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.15);
}

.product-image {
  position: relative;
  height: 280px;
  /* çok az büyütülmüş */
  background: linear-gradient(135deg, var(--accent-navy) 0%, var(--light-navy) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Görselin kart içindeki davranışı */
.product-image img {
  height: 100%;
  /* yükseklik alanı tamamen doldursun */
  width: auto;
  /* en boy oranını bozma */
  max-width: 100%;
  /* kart dışına taşmasın */
  object-fit: cover;
}

.product-icon {
  font-size: 4rem;
  opacity: 0.8;
  transition: all 0.3s ease;
}

.product-card:hover .product-icon {
  transform: scale(1.1);
  opacity: 1;
}

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--white);
  color: var(--primary-navy);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
}

.product-badge.new {
  background: var(--success);
  color: white;
}

.product-badge.eco {
  background: #22c55e;
  color: white;
}

.product-badge.smart {
  background: #3b82f6;
  color: white;
}

.product-content {
  padding: 2rem;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-content h3 {
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 640;
  margin-bottom: 0.6rem;
}

.product-description {
  color: var(--light-gray);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 1.1rem;
  max-width: 46rem;
  text-align: left;
}

.product-specs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.spec {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  padding: 0.3rem 0.8rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.product-price {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.price-label {
  color: var(--medium-gray);
  font-size: 0.9rem;
}

.price {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
}

.btn-product {
  width: 100%;
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  color: var(--primary-navy);
  padding: 0.8rem 1.5rem;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  margin-top: auto;
}

.btn-product:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

/* Product Features Section */
.product-features-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--secondary-navy) 0%, var(--accent-navy) 50%, var(--light-navy) 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-card h3 {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--light-gray);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  padding: 4rem 0;
  background: var(--primary-navy);
  text-align: center;
}

.cta-content h2 {
  color: var(--white);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-content p {
  color: var(--light-gray);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive Design für Products */
@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .category-filters {
    gap: 0.5rem;
  }

  .category-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-content h2 {
    font-size: 2rem;
  }

  .product-content {
    padding: 1.5rem;
  }
}

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

  .product-image {
    height: 150px;
  }

  .product-icon {
    font-size: 3rem;
  }

  .cta-content h2 {
    font-size: 1.8rem;
  }

  .spec {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
  }
}

.coming-soon-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.coming-soon-card {
  flex: 1 1 300px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  color: var(--white);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(20px);
}

.coming-soon-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}


.contact-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
}

.contact-info,
.contact-form-container {
  flex: 1 1 380px;
  min-width: 320px;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  gap: 15px;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.contact-icon {
  font-size: 1.5rem;
}

.contact-details h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--white);
}

.contact-details p,
.contact-details a {
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: var(--light-gray);
  text-decoration: none;
}

.contact-details a:hover {
  color: var(--white);
}

.portfolio-section .section-header {
  max-width: 700px;
  margin: 0 auto 3rem;
}

/* İLETİŞİM – TEKLİF FORMU GELİŞMİŞ TASARIM */

.contact-form-container {
  position: relative;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.7));
  border-radius: 24px;
  padding: 32px 32px 26px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.75);
  overflow: hidden;
}

/* Köşede hafif glow */
.contact-form-container::before {
  content: '';
  position: absolute;
  top: -25%;
  right: -25%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.22), transparent 65%);
  opacity: 0.45;
  pointer-events: none;
}

/* Alt kısımda koyu degrade */
.contact-form-container::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -20%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(0, 0, 0, 0.55), transparent 70%);
  opacity: 0.7;
  pointer-events: none;
}

.contact-form-container .section-header {
  position: relative;
  z-index: 2;
  text-align: left;
  margin-bottom: 22px;
}

/* Başlığın solunda ikonlu rozet */
.contact-form-container .section-title {
  font-size: 1.9rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.contact-form-container .section-title::before {
  content: '\f0e0';
  /* fa-paper-plane */
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 1.2rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--white), var(--light-gray));
  color: var(--primary-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.4);
}

.contact-form-container .section-subtitle {
  font-size: 0.95rem;
  max-width: 520px;
  color: var(--light-gray);
}

/* Form gövdesi */
.contact-form {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* İki sütunlu satırlar */
.contact-form .form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

/* Küçük ekranlarda tek sütun */
@media (max-width: 768px) {
  .contact-form-container {
    padding: 24px 20px 22px;
    border-radius: 20px;
  }

  .contact-form .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-container .section-title {
    font-size: 1.6rem;
  }
}

.contact-form .form-group {
  position: relative;
}

/* Label’lar */
.contact-form .form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--light-gray);
  letter-spacing: 0.02em;
}

/* Input & textarea & select */
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 10px 42px 10px 14px;
  /* sağda ikon için boşluk */
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(5, 8, 18, 0.92);
  color: var(--white);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.2s ease;
}

/* Mesaj alanı */
.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

/* Placeholder */
.contact-form ::placeholder {
  color: var(--dark-gray);
}

/* Focus efekti */
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.4);
  background: rgba(5, 8, 18, 0.98);
}


/* Gönder butonu – geniş, glow efektli */
.contact-form .btn-primary {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  font-size: 0.98rem;
  position: relative;
  overflow: hidden;
}

.contact-form .btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.4), transparent);
  opacity: 0;
  transform: skewX(-20deg);
  transition: all 0.35s ease;
}

.contact-form .btn-primary:hover::after {
  opacity: 1;
  left: 100%;
}


@media (max-width: 768px) {
    .category-filters {
        align-items: flex-start;
        margin-top: 1.5rem;
    }
}


/* Ürün kartı - modern tasarım */
.product-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 24px;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* Ürün kartı başlık */
.product-card h3 {
    color: var(--dark);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

/* Ürün açıklama */
.product-card .product-info p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
    text-align: left;
}

/* Ürün kartı içindeki bilgiler */
.product-specs {
    font-size: 0.9rem;
    color: var(--light-gray);
    margin-bottom: 16px;
}

/* Ürün kartı buton */
.btn-product {
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.3s ease;
}

.btn-product:hover {
    background: var(--primary-dark);
}

/* Ürün kartı ızgara (responsive) */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

/* ÜRÜNLER – KOYU TEMA PROFESYONEL KART TASARIMI */

.products-section {
    padding: 5rem 0;
    background: linear-gradient(
        135deg,
        var(--primary-navy) 0%,
        var(--darker-navy) 100%
    );
}

/* Kart gövdesi */
.product-card {
    background: linear-gradient(
        135deg,
        rgba(26, 31, 46, 0.98),
        rgba(42, 52, 65, 0.98)
    );
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.65);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.35s ease,
                box-shadow 0.35s ease,
                border-color 0.35s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.85);
    border-color: rgba(255, 255, 255, 0.18);
}

/* Üst görsel alan (mevcut yapıyı koruyarak sadece tonları iyileştirir) */
.product-image {
    position: relative;
    height: 260px;
    background: linear-gradient(
        135deg,
        var(--accent-navy),
        var(--light-navy)
    );
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: cover;
}

/* Kart içeriği */
.product-content,
.product-info {
    padding: 2rem;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-content h3 {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 640;
    margin-bottom: 0.7rem;
}

/* Ürün açıklaması */
.product-description {
    color: var(--light-gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    max-width: 42rem;
    text-align: left;
}

/* Teknik bilgi rozetleri */
.product-specs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
    flex-wrap: wrap;
}

.product-specs .spec {
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Fiyat satırı (varsa) */
.product-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

.product-price .price-label {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.product-price .price {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 700;
}

/* ÜRÜN KARTI – TEKLİF BUTONU (SADE) */
.btn-product {
    width: 100%;
    margin-top: auto;
    background: var(--white);          /* Tek renk beyaz arka plan */
    color: var(--primary-navy);        /* Lacivert yazı rengi */
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: transform 0.2s ease,
                box-shadow 0.2s ease,
                background-color 0.2s ease,
                color 0.2s ease;
}

.btn-product:hover {
    background: var(--light-gray);     /* Hafif gri hover tonu */
    color: var(--primary-navy);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45);
}

/* ÜRÜN KATEGORİLERİ BÖLÜMÜNÜ GİZLE */
.categories-section {
    display: none !important;
}

/* ÜRÜNLER BAŞLIĞINI BİRAZ YUKARI ÇEK */
.products-section {
    padding-top: 3rem;
}

/* ÜRÜNLER BAŞLIĞINI GİZLE */
.products-section .section-header {
    display: none !important;
}

/* Kartları biraz daha yukarı çek */
.products-section {
    padding-top: 2.5rem;  /* İstersen 2rem/3rem ile oynayabilirsin */
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}
.alert-success {
    background: rgba(16,185,129,0.1);
    border: 1px solid #10b981;
    color: #10b981;
}
.alert-error {
    background: rgba(239,68,68,0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}
.alert i {
    font-size: 1rem;
}

/* Logo linkinin alt çizgisini kaldır */
.logo,
.logo:link,
.logo:visited,
.logo:hover,
.logo:active {
    text-decoration: none;
}

/* ============================================
   İLETİŞİM SAYFASI – PROFESYONEL TASARIM
   ============================================ */

/* Contact Hero - Daha kompakt */
.contact-hero {
    padding: 5rem 0 3rem !important;
    min-height: auto !important;
}

.contact-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.contact-hero p {
    font-size: 1.1rem;
    max-width: 550px;
}

/* İletişim Grid Düzeni */
.contact-section {
    padding: 4rem 0 5rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
}

/* Bize Ulaşın Bölümü */
.contact-info {
    padding: 0;
}

.contact-info .section-header {
    text-align: left;
    margin-bottom: 2rem;
}

.contact-info .section-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.contact-info .section-subtitle {
    font-size: 1rem;
    line-height: 1.6;
}

/* İletişim Kartları - Profesyonel Tasarım */
.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-navy);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

.contact-details {
    flex: 1;
}

.contact-details h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin: 0 0 0.4rem 0;
}

.contact-details p {
    font-size: 0.9rem;
    color: var(--light-gray);
    margin: 0;
    line-height: 1.5;
}

.contact-details a {
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-details a:hover {
    color: var(--white);
}

/* Form Container - Premium Görünüm */
.contact-form-container {
    position: relative;
    background: linear-gradient(145deg,
        rgba(26, 31, 46, 0.95) 0%,
        rgba(42, 52, 65, 0.9) 100%);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.contact-form-container::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 60%);
    pointer-events: none;
}

.contact-form-container::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 50%;
    height: 80%;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.3), transparent 60%);
    pointer-events: none;
}

.contact-form-container .section-header {
    position: relative;
    z-index: 2;
    text-align: left;
    margin-bottom: 1.5rem;
}

.contact-form-container .section-title {
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.contact-form-container .section-title::before {
    content: '\f0e0';
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--white), var(--light-gray));
    color: var(--primary-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.contact-form-container .section-subtitle {
    font-size: 0.95rem;
    color: var(--medium-gray);
    max-width: 400px;
}

/* Form Stilleri */
.contact-form {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    background: transparent;
    padding: 0;
    border: none;
    box-shadow: none;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.contact-form .form-group {
    margin-bottom: 0;
}

.contact-form .form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--light-gray);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.3);
    color: var(--white);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.25s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--dark-gray);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.contact-form textarea {
    min-height: 110px;
    resize: vertical;
}

.contact-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Gönder Butonu */
.contact-form .btn-primary {
    width: 100%;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 0.5rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    color: var(--primary-navy);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}

.contact-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.25);
}

/* Alert Stilleri */
.contact-form-container .alert {
    margin-bottom: 1.25rem;
    padding: 1rem 1.25rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .contact-hero h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 2rem 1.5rem;
    }
    
    .contact-hero {
        padding: 4rem 0 2.5rem !important;
    }
    
    .contact-hero h1 {
        font-size: 1.9rem;
    }
    
    .contact-card {
        padding: 1rem 1.25rem;
    }
    
    .contact-icon {
        width: 42px;
        height: 42px;
        min-width: 42px;
        font-size: 1.1rem;
    }
}