:root {
  --primary-color: #24383d;
  --secondary-color: #1f3135;
  --gold-color: #ffb200;
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --dark-gray: #343a40;
  --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.3);
  --transition: all 0.4s ease;
}

/* Reset ve Temel Stiller */
html,
body {
  overflow-x: hidden;
  width: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Lato", sans-serif;
  padding-top: 7rem; /* Navbar yüksekliği kadar padding ekledik */
}

/* Container ve Grid Yapısı */
.container,
.contaniner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  box-sizing: border-box;
}

.row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin: 0 -2rem;
}

.flex {
  flex: 0 0 50%;
  max-width: 50%;
  padding: 0 2rem;
  box-sizing: border-box;
}

/* About Us bölümü için özel hizalama */
.about-us .flex {
  text-align: center;
}

.about-us .flex:first-child {
  flex: 0 0 58%;
  max-width: 58%;
}

.about-us .flex:last-child {
  flex: 0 0 42%;
  max-width: 42%;
}

/* Hakkımızda Bölümü */
.about-us {
  padding: 6rem 0; /* Üst padding azaltıldı */
}

.about-us h2 {
  font-size: 4.5rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-align: center;
  position: relative;
}

.about-us h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--gold-color);
}

.about-us h3 {
  font-size: 2.2rem;
  color: #888;
  margin-bottom: 0.8rem;
}

.about-us p {
  font-size: 1.9rem;
  line-height: 1.7;
  color: #333;
  margin-bottom: 2rem;
  text-align: center;
}

.about-us img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  object-fit: cover;
}

.about-us img:hover {
  transform: scale(1.02);
}

/* Sosyal Medya Linkleri */
.social-links {
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-links a {
  display: inline-flex;
  width: 4rem;
  height: 4rem;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 50%;
  color: var(--gold-color);
  background-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.social-links a:hover {
  transform: translateY(-3px);
  background-color: var(--gold-color);
  color: var(--primary-color);
}

/* Buton Stili */
.btrn {
  color: var(--gold-color);
  padding: 1rem 2rem;
  font-size: 18px;
  text-transform: uppercase;
  border-radius: 5px;
  background-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  margin: 0 auto;
  display: inline-block;
  text-decoration: none;
}

.btrn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background-color: var(--secondary-color);
}

/* İletişim Bölümü */
.contactMethod {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 4rem 2rem;
  margin-bottom: 5rem;
  width: 100%;
}

.method {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem;
  border-radius: 16px;
  background: var(--primary-color);
  width: 100%;
  max-width: 300px;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 178, 0, 0.3);
}

.method:hover {
  transform: translateY(-8px);
  background: var(--secondary-color);
  box-shadow: var(--shadow-md);
}

.contactIcon {
  font-size: 2.8rem;
  color: var(--gold-color);
  margin-bottom: 1.5rem;
  padding: 1.2rem;
  background: rgba(31, 49, 53, 0.7);
  border-radius: 100%;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.method:hover .contactIcon {
  background: var(--gold-color);
  color: var(--primary-color);
  transform: rotateY(360deg);
}

.method .sub-heading {
  font-size: 1.8rem;
  color: var(--gold-color);
  margin-bottom: 1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 0.5rem;
  text-align: center;
}

.method .sub-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: var(--gold-color);
  transition: width 0.3s ease;
}

.method:hover .sub-heading::after {
  width: 80px;
}

.method .para {
  font-size: 1.5rem;
  color: var(--white);
  line-height: 1.6;
  text-align: center;
  margin: 0;
}

/* Logo Strip */
.logo-strip-section {
  padding: 50px 0;
  background-color: var(--white);
  overflow: hidden;
}

.logo-strip-container {
  width: 100%;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.logo-strip-track {
  display: flex;
  gap: 40px;
  animation: scroll 60s linear infinite;
  padding: 20px 0;
}

.logo-item {
  flex: 0 0 150px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--transition);
}

.logo-item:hover {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.05);
}

.logo-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  /* Performans optimizasyonları */
  will-change: transform;
  backface-visibility: hidden;
  transform: translateZ(0);
  /* Resim yükleme optimizasyonu */
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* 3M logosu orantılama */
.logo-item img[alt*="3M"],
.logo-item img[src*="3m.png"] {
  max-height: 36px;
  width: auto;
}

.logo-item img[alt*="Sintaş"],
.logo-item img[alt*="sintas"],
.logo-item img[src*="sintas.png"] {
  max-height: 32px;
  width: auto;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-150px * 9 - 40px * 9));
  }
}

/* Hero Section */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url("img/hero-bg.jpg");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

.hero-content {
  max-width: 800px;
  padding: 0 2rem;
}

.hero h1 {
  font-size: 4.8rem;
  margin-bottom: 2rem;
  animation: fadeInDown 1s ease forwards;
}

.hero p {
  font-size: 2rem;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

.hero-btn {
  display: inline-block;
  padding: 1.5rem 3rem;
  background: var(--gold-color);
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 5px;
  font-size: 1.8rem;
  font-weight: bold;
  transition: all 0.3s ease;
  animation: fadeInUp 1s ease forwards;
  animation-delay: 0.6s;
  opacity: 0;
}

.hero-btn:hover {
  background: white;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Features Section */
.features {
  padding: 8rem 0;
  background: white;
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.features-title {
  text-align: center;
  font-size: 3.6rem;
  color: var(--primary-color);
  margin-bottom: 4rem;
  position: relative;
  padding-bottom: 2rem;
}

.features-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--gold-color);
  border-radius: 2px;
}

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

.feature-card {
  text-align: center;
  padding: 3rem 2rem;
  background: white;
  border-radius: 1rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  font-size: 4rem;
  color: var(--gold-color);
  margin-bottom: 2rem;
}

.feature-title {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

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

/* Responsive Styles */
@media (max-width: 768px) {
  body {
    padding-top: 6rem; /* Mobilde navbar daha kısa */
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero p {
    font-size: 1.6rem;
  }

  .hero-btn {
    padding: 1rem 2rem;
    font-size: 1.6rem;
  }

  .features-title {
    font-size: 3rem;
  }

  /* Hakkımızda mobil düzen */
  .about-us .flex:first-child,
  .about-us .flex:last-child {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .about-us img {
    max-height: 300px;
    object-fit: cover;
  }

  .feature-card {
    padding: 3rem 2rem;
  }

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

  .feature-title {
    font-size: 2rem;
  }

  .feature-text {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  body {
    padding-top: 5.5rem; /* Küçük ekranlarda daha az */
  }

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

  .hero p {
    font-size: 1.4rem;
  }

  .hero-btn {
    padding: 0.8rem 1.5rem;
    font-size: 1.4rem;
  }

  .features-title {
    font-size: 2.5rem;
  }

  .feature-card {
    padding: 2rem 1.5rem;
  }

  .feature-icon {
    font-size: 2.5rem;
  }

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

  .feature-text {
    font-size: 1.3rem;
  }
}

/* 994px breakpoint için responsive ayar */
@media (max-width: 994px) {
  body {
    padding-top: 6rem; /* Navbar yüksekliği değişince güncelle */
  }
}

/* Sektörel Bilgiler Bölümü */
.industry-info {
  padding: 6rem 0;
}

.industry-info .section-title {
  text-align: center;
  font-size: 3.6rem;
  color: var(--primary-color);
  margin-bottom: 4rem;
  position: relative;
}

.industry-info .section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gold-color);
  border-radius: 2px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.info-card {
  background: white;
  padding: 3rem 2rem;
  border-radius: 20px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  border: 2px solid transparent;
  overflow: hidden;
}

.info-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 184, 0, 0.1),
    transparent
  );
  transition: left 0.6s ease;
}

.info-card:hover::before {
  left: 100%;
}

.info-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  border-color: var(--gold-color);
}

.info-icon {
  width: 85px;
  height: 85px;
  background: linear-gradient(135deg, var(--gold-color), #ffc107);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  transition: all 0.4s ease;
  position: relative;
  box-shadow: 0 6px 20px rgba(255, 184, 0, 0.3);
}

.info-icon::after {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: linear-gradient(135deg, var(--gold-color), var(--primary-color));
  border-radius: 50%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.info-card:hover .info-icon {
  transform: scale(1.15) rotate(8deg);
  box-shadow: 0 10px 30px rgba(255, 184, 0, 0.4);
}

.info-card:hover .info-icon::after {
  opacity: 1;
}

.info-icon i {
  font-size: 2.6rem;
  color: white;
  transition: transform 0.3s ease;
}

.info-card:hover .info-icon i {
  transform: scale(1.1);
}

.info-card h3 {
  font-size: 2.2rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.info-card:hover h3 {
  color: var(--secondary-color);
}

.info-card p {
  font-size: 1.6rem;
  line-height: 1.6;
  color: #666;
  margin-bottom: 2rem;
  transition: color 0.3s ease;
}

.info-card:hover p {
  color: #555;
}

/* Responsive */
@media (max-width: 768px) {
  .industry-info {
    padding: 4rem 0;
  }

  .industry-info .section-title {
    font-size: 3rem;
  }

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

  .info-card {
    padding: 2.5rem 1.5rem;
  }

  .info-card h3 {
    font-size: 2rem;
  }

  .info-card p {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .industry-info .section-title {
    font-size: 2.5rem;
  }

  .info-card {
    padding: 2rem 1rem;
  }

  .info-icon {
    width: 70px;
    height: 70px;
  }

  .info-icon i {
    font-size: 2.2rem;
  }
}