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

body {
  font-family: Arial, sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 50px;
}

header {
  background-color: #2c3e50;
  padding: 15px 0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo {
  width: 200px;
  height: 80px;
  flex-shrink: 0;
  
}

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

.menu {
  flex: 1;
  display: flex;
  justify-content: center;
}

.menu ul {
  list-style: none;
  display: flex;
  gap: 40px;
  align-items: center;
}

.menu li {
  display: inline-block;
}

.menu a {
  text-decoration: none;
  color: white;
  font-weight: 500;
  font-size: 16px;
  padding: 10px 15px;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.menu a:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
}

.hero {
  width: 100%;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  position: relative;
  z-index: 1;
  background: url('resimler/building-3390318_1920.jpg') no-repeat center center fixed;
  background-size: cover;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s ease, transform 1s cubic-bezier(0.23, 1, 0.32, 1);
}

.show-hero .hero {
  opacity: 1;
  transform: translateY(0);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(44, 62, 80, 0.7);
  z-index: -1;
}

.hero-content {
  max-width: 700px;
  margin: auto;
  padding: 40px 20px;
  background: rgba(0,0,0,0.2);
  border-radius: 16px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.2);
}

.hero-title-box {
  background: #1a2a3a;
  color: #ffd600;
  padding: 16px 0;
  margin: 24px 0 12px 0;
  border-radius: 8px;
}

.hero-title-box h1 {
  font-size: 2.8rem;
  font-weight: bold;
  line-height: 1.1;
  letter-spacing: 1px;
}

.hero-subtitle-box {
  background: #ffd600;
  color: #1a2a3a;
  padding: 10px 0;
  margin-bottom: 12px;
  border-radius: 8px;
}

.hero-subtitle-box h3 {
  font-size: 1.2rem;
  font-weight: bold;
}

.hero-desc {
  margin: 10px auto 18px auto;
  font-size: 1rem;
  color: #fff;
  text-align: center;
  max-width: 600px;
}

.hero-list {
  text-align: left;
  margin: 0 auto 18px auto;
  max-width: 400px;
  font-size: 1.1rem;
  color: #fff;
  list-style: none;
}

.hero-list li {
  margin-bottom: 6px;
  font-weight: 500;
}

.hero-cta {
  background: #1a2a3a;
  color: #ffd600;
  padding: 14px 0;
  margin-top: 18px;
  border-radius: 8px;
  font-size: 1.15rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.hero-call-btn {
  display: inline-block;
  margin-top: 18px;
  padding: 12px 32px;
  background: #25d366;
  color: #fff;
  font-size: 1.15rem;
  font-weight: bold;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(44,62,80,0.10);
  transition: background 0.2s, transform 0.2s;
}

.hero-call-btn:hover {
  background: #128c7e;
  transform: scale(1.05);
}

.hakkimizda {
  width: 100%;
  background: #f8f9fa;
  padding: 60px 0;
}

.about-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.about-text {
  flex: 1 1 350px;
  min-width: 300px;
}

.about-text h2 {
  font-size: 2.2rem;
  color: #1a2a3a;
  margin-bottom: 18px;
  font-weight: bold;
  text-align: center;
  position: relative;
}

.about-title-underline {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #ffd600 0%, #1a2a3a 100%);
  border-radius: 2px;
  margin: 0 auto 24px auto;
  display: block;
}

.about-text p {
  font-size: 1.1rem;
  color: #333;
  margin-bottom: 18px;
  line-height: 1.6;
}

.about-text ul {
  list-style: disc inside;
  color: #1a2a3a;
  font-size: 1rem;
  margin-left: 0;
  padding-left: 0;
}

.about-text ul li {
  margin-bottom: 8px;
}

.about-img {
  flex: 1 1 300px;
  min-width: 250px;
  display: flex;
  justify-content: center;
}

.about-img img {
  max-width: 340px;
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(44,62,80,0.10);
  object-fit: cover;
}

.about-features {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.feature-box {
  background: #fff;
  border-radius: 28px;
  box-shadow: 0 8px 32px rgba(44,62,80,0.10);
  padding: 40px 28px 32px 28px;
  flex: 1 1 220px;
  min-width: 220px;
  max-width: 320px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feature-box h3 {
  color: #1a2a3a;
  font-size: 1.3rem;
  margin-bottom: 14px;
  font-weight: bold;
  letter-spacing: 0.5px;
}

.feature-box p {
  color: #333;
  font-size: 1.05rem;
  margin: 0;
}

.feature-box:hover {
  transform: translateY(-10px) scale(1.04);
  box-shadow: 0 16px 48px rgba(44,62,80,0.16);
}

@media (max-width: 900px) {
  .about-features {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }
  .feature-box {
    max-width: 90%;
    min-width: 200px;
  }
}

.urunlerimiz {
  width: 100%;
  padding: 0;
  margin: 0;
  background: #ffffff;
}

.urunlerimiz-image-row {
  display: flex;
  width: 100%;
  min-height: 380px;
}

.urun-image-box {
  flex: 1 1 50%;
  min-height: 380px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.urun-image-box:hover {
  transform: scale(1.06);
  z-index: 2;
}

.cesan-bg {
  background: url('resimler/CESAN-DEMIRI1.webp') center center/cover no-repeat;
}

.insaat-bg {
  background: url('resimler/nervurlu-insaat-demiri-fiyatı.webp') center center/cover no-repeat;
}

.urunlerimiz-title {
  text-align: center;
  font-size: 2.2rem;
  color: #7d98cc;
  font-weight: bold;
  margin-top: 0;
  margin-bottom: 0;
  letter-spacing: 1px;
}

.urunlerimiz-title-underline {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #666161 0%, #fff 100%);
  border-radius: 2px;
  margin: 0 auto 32px auto;
  display: block;
}

.urun-image-overlay {
  width: 100%;
  height: 100%;
  background: rgba(44,62,80,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
}

.urun-image-overlay h2 {
  color: #fffbe6;
  font-size: 2.5rem;
  font-weight: bold;
  text-shadow: 0 4px 24px #000, 0 2px 8px #fff2;
  letter-spacing: 2px;
  text-align: center;
  opacity: 1;
  transition: opacity 0.8s, transform 0.8s, color 0.3s;
}

.urun-fade {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1), transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.urun-fade.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .urunlerimiz-image-row {
    flex-direction: column;
    min-height: unset;
  }
  .urun-image-box {
    min-height: 200px;
    width: 100%;
  }
  .urun-image-overlay h2 {
    font-size: 1.5rem;
  }
}

.urunlerimiz h2 {
  text-align: center;
  font-size: 2.2rem;
  color: #1a2a3a;
  font-weight: bold;
  margin-bottom: 0;
}

.products-title-underline {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #ffd600 0%, #1a2a3a 100%);
  border-radius: 2px;
  margin: 0 auto 32px auto;
  display: block;
}

.products-list {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.product-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(44,62,80,0.10);
  padding: 32px 24px 24px 24px;
  flex: 1 1 220px;
  min-width: 220px;
  max-width: 300px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 2.5px solid #ffd600;
  margin-bottom: 24px;
}

.product-card h3 {
  color: #1a2a3a;
  font-size: 1.15rem;
  margin-bottom: 12px;
  font-weight: bold;
}

.product-card p {
  color: #333;
  font-size: 1rem;
  margin: 0;
}

.product-card:hover {
  transform: translateY(-8px) scale(1.04);
  box-shadow: 0 8px 32px rgba(44,62,80,0.16);
  border-color: #1a2a3a;
}

@media (max-width: 900px) {
  .products-list {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }
  .product-card {
    max-width: 90%;
    min-width: 200px;
  }
}

.hizmetler {
  width: 100%;
  background: #f8f9fa;
  padding: 0;
}

.hizmetler-container {
  display: flex;
  min-height: 380px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  box-shadow: 0 4px 24px rgba(44,62,80,0.08);
  border-radius: 24px;
  overflow: hidden;
}

.hizmetler-image {
  flex: 1 1 50%;
  background: url('resimler/cesan.jpg') center center/cover no-repeat;
  min-height: 280px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hizmetler-image-overlay {
  width: 100%;
  height: 100%;
  background: rgba(44,62,80,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hizmetler-image-overlay h2 {
  color: #ffd600;
  font-size: 2.5rem;
  font-weight: bold;
  text-shadow: 0 4px 24px rgba(0,0,0,0.18);
  letter-spacing: 2px;
  text-align: center;
}

.hizmetler-content {
  flex: 1 1 50%;
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hizmetler-content h3 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 18px;
  font-weight: bold;
}

.hizmetler-content p {
  color: #fff;
  font-size: 1.1rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .hizmetler-container {
    flex-direction: column;
    min-height: unset;
  }
  .hizmetler-image, .hizmetler-content {
    flex: unset;
    min-height: 180px;
    width: 100%;
  }
  .hizmetler-content {
    padding: 32px 16px;
  }
}

/* İletişim bölümü */
.iletisim {
  background: #1a2a3a;
  color: #fff;
  padding: 48px 0 36px 0;
  text-align: center;
}

.iletisim h2 {
  font-size: 2rem;
  margin-bottom: 16px;
  color: #ffd600;
}

.iletisim-tel {
  color: #25d366;
  font-weight: bold;
  font-size: 1.2rem;
  text-decoration: none;
}

.iletisim-tel:hover {
  color: #2c3e50;
}

.iletisim-email {
  color: #25d366;
  text-decoration: none;
  font-weight: bold;
}

.iletisim-email:hover {
  color: #128c7e;
  text-decoration: underline;
}

/* WhatsApp sabit ikon */
.whatsapp-float {
  position: fixed;
  width: 68px;
  height: 68px;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  background: #25d366;
  border-radius: 50%;
  box-shadow: 0 6px 32px rgba(44,62,80,0.22);
  border: 2.5px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.whatsapp-float img {
  width: 38px;
  height: 38px;
  display: block;
  filter: drop-shadow(0 2px 8px #0002);
}

.whatsapp-float:hover {
  background: #128c7e;
  transform: scale(1.12);
  box-shadow: 0 12px 48px rgba(44,62,80,0.28);
  border-color: #25d366;
}

html {
  scroll-behavior: smooth;
}

@media (max-width: 900px) {
  .menu {
    position: fixed;
    top: 0;
    right: -100vw;
    width: 70vw;
    max-width: 320px;
    height: 100vh;
    background: #1a2a3a;
    box-shadow: -2px 0 24px rgba(44,62,80,0.12);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px 32px 32px 32px;
    transition: right 0.35s cubic-bezier(0.23, 1, 0.32, 1);
    z-index: 1001;
  }
  .menu ul {
    flex-direction: column;
    gap: 24px;
    width: 100%;
  }
  .menu li {
    width: 100%;
  }
  .menu a {
    color: #fff;
    font-size: 1.2rem;
    width: 100%;
    display: block;
    padding: 12px 0;
  }
  .menu.menu-open {
    right: 0;
  }
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
    position: absolute;
    top: 18px;
    right: 18px;
  }
  .hamburger span {
    display: block;
    width: 28px;
    height: 4px;
    margin: 4px 0;
    background: #ffd600;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  }
  .hamburger.is-active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .hamburger.is-active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.is-active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  .container {
    flex-direction: row;
  }
}

@media (max-width: 900px) {
  .menu {
    display: none;
  }
  .menu.menu-open {
    display: flex;
  }
}

@media (min-width: 901px) {
  .hamburger {
    display: none !important;
  }
  .menu {
    position: static !important;
    height: auto !important;
    width: auto !important;
    background: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-end !important;
  }
  .menu ul {
    flex-direction: row !important;
    gap: 40px !important;
  }
}

.harita {
  width: 100%;
  background: #fff;
  padding: 60px 0;
}

.harita-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.harita h2 {
  color: #2c3e50;
  font-size: 2.5rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
}

.map-wrapper {
  width: 100%;
  max-width: 1000px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.map-wrapper iframe {
  display: block;
  width: 100%;
  height: 450px;
}

.map-info {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  max-width: 600px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.map-info p {
  margin-bottom: 15px;
  font-size: 1.1rem;
  color: #2c3e50;
}

.map-info p:last-child {
  margin-bottom: 0;
}

.map-info a {
  color: #25d366;
  text-decoration: none;
  font-weight: bold;
}

.map-info a:hover {
  color: #128c7e;
}

@media (max-width: 900px) {
  .harita {
    padding: 40px 0;
  }
  
  .harita h2 {
    font-size: 2rem;
  }
  
  .map-wrapper iframe {
    height: 350px;
  }
  
  .map-info {
    padding: 20px;
    margin: 0 20px;
  }
  
  .map-info p {
    font-size: 1rem;
  }
}