/* Mobil Ekranlar: 0 - 599px */
@media (max-width: 599px) {
  .fs-60 { font-size: 36px; line-height: 48px; }
  .fs-54 { font-size: 32px; line-height: 44px; }
  .fs-48 { font-size: 28px; line-height: 38px; }
  .fs-43 { font-size: 26px; line-height: 34px; }
  .fs-36 { font-size: 22px; line-height: 30px; }
  .fs-30 { font-size: 20px; line-height: 28px; }
  .fs-24 { font-size: 18px; line-height: 26px; }
  .fs-20 { font-size: 16px; line-height: 24px; }
  .fs-18 { font-size: 14px; line-height: 22px; }
  .fs-16 { font-size: 13px; line-height: 20px; }
  .fs-14 { font-size: 12px; line-height: 18px; }

  .main-slider{width: 100%;height: 400px;}
  .main-slider img, .main-slider .slider-video {height: 400px;}
  .slider-overlay{height: 400px;}
  .slider-text-box{top: 20%;width: 90%;}
  .corporate-img{height: 350px;}
  .corporate-box{padding: 50px;}
  .about-text-area{padding: 0px 10px;}
  .parallax-container {height: 540px;}
  .co2-text{width: 100%;}
  .ampul{width: 115%;left: -70%;}
  .newsletter{height: 675px; margin-bottom: 50px;}
  .newsletter img{margin-top: 0px;width: 100%;}
}

/* Küçük Tablet: 600px - 899px */
@media (min-width: 600px) and (max-width: 899px) {
  .fs-60 { font-size: 42px; line-height: 56px; }
  .fs-54 { font-size: 38px; line-height: 52px; }
  .fs-48 { font-size: 34px; line-height: 46px; }
  .fs-43 { font-size: 30px; line-height: 42px; }
  .fs-36 { font-size: 26px; line-height: 36px; }
  .fs-30 { font-size: 24px; line-height: 34px; }
  .fs-24 { font-size: 20px; line-height: 30px; }
  .fs-20 { font-size: 18px; line-height: 26px; }
  .fs-18 { font-size: 16px; line-height: 24px; }
  .fs-16 { font-size: 15px; line-height: 22px; }
  .fs-14 { font-size: 13px; line-height: 20px; }

  .main-slider{width: 100%;height: 600px;}
  .main-slider img, .main-slider .slider-video {height: 600px;}
  .slider-overlay{height: 600px;}
  .slider-text-box{top: 20%;width: 50%;}
  .corporate-img{height: 350px;}
  .corporate-box{padding: 75px; height: 350px;}
  .about-text-area{padding: 0px 10px;}
  .parallax-container {height: 740px;}
  .co2-text{width: 100%;}
  .ampul{width: 65%;left: -25%;}
  .newsletter{height: 675px; margin-bottom: 50px;}
  .newsletter img{margin-top: 0px;width: 50%; display: block; margin: auto;}
}

/* Büyük Tablet: 900px - 1199px */
@media (min-width: 900px) and (max-width: 1199px) {
  .fs-60 { font-size: 50px; line-height: 66px; }
  .fs-54 { font-size: 46px; line-height: 60px; }
  .fs-48 { font-size: 40px; line-height: 52px; }
  .fs-43 { font-size: 36px; line-height: 48px; }
  .fs-36 { font-size: 32px; line-height: 42px; }
  .fs-30 { font-size: 28px; line-height: 40px; }
  .fs-24 { font-size: 22px; line-height: 32px; }
  .fs-20 { font-size: 18px; line-height: 28px; }
  .fs-18 { font-size: 16px; line-height: 26px; }
  .fs-16 { font-size: 15px; line-height: 22px; }
  .fs-14 { font-size: 13px; line-height: 18px; }

  .main-slider{width: 100%;height: 600px;}
  .main-slider img, .main-slider .slider-video {height: 600px;}
  .slider-overlay{height: 600px;}
  .slider-text-box{top: 20%;width: 50%;}
  .corporate-img{height: 370px;}
  .corporate-box{padding: 30px;height: 370px;}
  .about-text-area{padding: 0px 30px;}
  .parallax-container {height: 740px;}
  .co2-text{width: 100%;}
  .ampul{width: 80%;left: -37%;}
}

/* Küçük Masaüstü: 1200px - 1439px */
@media (min-width: 1200px) and (max-width: 1439px) {
  .fs-60 { font-size: 56px; line-height: 72px; }
  .fs-54 { font-size: 50px; line-height: 66px; }
  .fs-48 { font-size: 44px; line-height: 58px; }
  .fs-43 { font-size: 40px; line-height: 52px; }
  .fs-36 { font-size: 34px; line-height: 44px; }
  .fs-30 { font-size: 28px; line-height: 38px; }
  .fs-24 { font-size: 24px; line-height: 34px; }
  .fs-20 { font-size: 20px; line-height: 30px; }
  .fs-18 { font-size: 18px; line-height: 28px; }
  .fs-16 { font-size: 16px; line-height: 24px; }
  .fs-14 { font-size: 14px; line-height: 20px; }
  .logo{ width: 200px; }
  .nav-item {padding: 0 20px;}
  .main-slider{width: 100%;height: 700px;}
  .main-slider img, .main-slider .slider-video {height: 700px;}
  .slider-overlay{height: 700px;}
  .slider-text-box{top: 20%;width: 100%;}
  .corporate-img{height: 350px;}
  .corporate-box{padding: 50px;height: 350px;}
  .about-text-area{padding: 0px 30px;}
}

/* Büyük Masaüstü: 1440px - 1799px */
@media (min-width: 1440px) and (max-width: 1799px) {
  .nav-item {padding: 0 20px;}
  .main-slider{width: 100%;height: 700px;}
  .main-slider img, .main-slider .slider-video {height: 700px;}
  .slider-overlay{height: 700px;}
  .slider-text-box{top: 20%;width: 100%;}
  .corporate-img{height: 350px;}
  .corporate-box{padding: 50px;height: 350px;}
  .about-text-area{padding: 0px 30px;}
  .ampul{width: 105%;left: -70%;}
}

/* 4K Ekranlar: 2560px ve üzeri */
@media (min-width: 2560px) {
  .fs-60 { font-size: 72px; line-height: 94px; }
  .fs-54 { font-size: 66px; line-height: 88px; }
  .fs-48 { font-size: 60px; line-height: 78px; }
  .fs-43 { font-size: 54px; line-height: 72px; }
  .fs-36 { font-size: 46px; line-height: 62px; }
  .fs-30 { font-size: 40px; line-height: 56px; }
  .fs-24 { font-size: 32px; line-height: 46px; }
  .fs-20 { font-size: 28px; line-height: 40px; }
  .fs-18 { font-size: 24px; line-height: 36px; }
  .fs-16 { font-size: 22px; line-height: 32px; }
  .fs-14 { font-size: 20px; line-height: 28px; }

}