.sh-tnf {
    --tnf-black: #000000;
    --tnf-deep: #0a0a0a;
    --tnf-red: #E30613;
    --tnf-white: #ffffff;
    --tnf-gray: #f4f4f4;
    --tnf-border: #eeeeee;

    font-family: 'Open Sans', sans-serif;
    background-color: var(--tnf-white);
    color: var(--tnf-black);
    overflow-x: hidden;
}

/* LOGO */
.sh-tnf .sh-tnf-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    width: 120px;
}


/* ACTION */
.sh-tnf .sh-tnf-action {
    padding: 60px 5%;
    text-align: center;
}

.sh-tnf .sh-tnf-action-main-btn {
    display: inline-block;
    background: var(--tnf-black);
    color: var(--tnf-white);
    padding: 18px 60px;
    font-weight: 800;
    letter-spacing: 3px;
    font-size: 0.9rem;
    text-transform: uppercase;
    margin-bottom: 60px;
    text-decoration: none;
}

.sh-tnf .sh-tnf-action-main-btn:hover {
    background: var(--tnf-red);
}

.sh-tnf .sh-tnf-product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1600px;
    margin: 0 auto;
}

.sh-tnf .sh-tnf-product-card {
    text-decoration: none;
    color: var(--tnf-black);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sh-tnf .sh-tnf-img-wrap {
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--tnf-gray);
    margin-bottom: 15px;
}

.sh-tnf .sh-tnf-product-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.sh-tnf .sh-tnf-product-card:hover img {
    transform: scale(1.02);
}

.sh-tnf .sh-tnf-product-title {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 15px;
    text-align: center;
    min-height: 2.6em;
    display: flex;
    align-items: center;
}

.sh-tnf .sh-tnf-product-btn {
    background: var(--tnf-black);
    color: var(--tnf-white);
    padding: 10px 20px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.sh-tnf .sh-tnf-product-card:hover .sh-tnf-product-btn {
    background: var(--tnf-red);
}

/* TECH */
/* ================= TECH SECTION (matches your HTML exactly) ================= */

.sh-tnf-tech{
  padding: 100px 5%;
  border-bottom: 1px solid #eaeaea;
  background: #fff;
}

.sh-tnf-tech-layout{
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 60px;
  align-items: start;
}

.sh-tnf-tech-info h2{
  margin: 0;
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  color: #000;
  position: sticky;
  top: 80px;
}

.sh-tnf-tech-line{
  width: 50px;
  height: 5px;
  background: #E30613;
  margin-top: 20px;
}

.sh-tnf-tech-list{
  display: flex;
  flex-direction: column;
  gap: 30px;
}

/* Card */
.sh-tnf-tech-card{
  position: relative;
  min-height: 350px;
  display: flex;
  align-items: center;
  overflow: hidden;
  text-decoration: none;
  background: #0f0f0f;
  border: 1px solid rgba(0,0,0,.10);
  color: #fff;
}

/* readability overlay */
.sh-tnf-tech-card::before{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.70) 0%, rgba(0,0,0,.15) 60%, rgba(0,0,0,.05) 100%);
  z-index: 1;
  pointer-events: none;
}

.sh-tnf-tech-bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  opacity: .45;
  filter: grayscale(100%);
  transform: scale(1);
  transition: opacity .6s ease, filter .6s ease, transform .6s ease;
}

.sh-tnf-tech-content{
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.sh-tnf-tech-text{
  max-width: 62%;
}

.sh-tnf-tech-text h3{
  margin: 0 0 10px;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.05;
  color: #fff;
}

.sh-tnf-tech-text p{
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.6;
  color: rgba(255,255,255,.90);
}

.sh-tnf-tech-link{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  padding: 14px 42px;
  font-size: .85rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: #fff;
  background: rgba(0,0,0,.20);
  transition: background .25s ease, color .25s ease, transform .25s ease;
  white-space: nowrap;
}
.sh-tnf-tech-card:hover .sh-tnf-tech-bg{
  opacity: .85;
  filter: grayscale(0%);
  transform: scale(1.02);
}

.sh-tnf-tech-card:hover .sh-tnf-tech-link{
  background: #fff;
  color: #000;
  transform: translateY(-1px);
}

/* Utility */
.none-display-1{ display: none !important; }

/* Responsive */
@media (max-width: 1024px){
  .sh-tnf-tech-layout{
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .sh-tnf .sh-tnf-product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sh-tnf-tech-info h2{
    position: static;
  }

  .sh-tnf-tech-content{
    padding: 26px 30px;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

  .sh-tnf-tech-text{
    max-width: 100%;
  }
}

@media (max-width: 768px){
  .sh-tnf-tech{
    padding: 70px 5%;
  }
.sh-tnf .sh-tnf-product-grid {
    grid-template-columns: 1fr;
  }

  .sh-tnf-tech-card{
    min-height: 320px;
  }

  .sh-tnf-tech-text h3{
    font-size: 2rem;
  }

  .sh-tnf-tech-link{
    width: 100%;
  }
}
 
.sh-tnf .sh-tnf-usage-item {
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--tnf-gray);
}

.sh-tnf .sh-tnf-usage-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.sh-tnf .sh-tnf-usage-item:hover img {
    transform: scale(1.02);
}

/* SEO */
.sh-tnf .sh-tnf-seo{
    padding: 80px 8%;
    border-top: 1px solid var(--tnf-border);
    text-align: center;
}

.sh-tnf .sh-tnf-seo-content{
    max-width: 1000px;
    margin: 0 auto;
    line-height: 1.8;
    font-size: 0.9rem;
    max-height: 150px;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

/* JS "open" class'ı bunu açacak */
.sh-tnf .sh-tnf-seo-content.open{
    max-height: 5000px;
}

.sh-tnf .sh-tnf-seo-btn{
    margin-top: 20px;
    border: 1px solid #ccc;
    padding: 10px 25px;
    font-weight: 700;
    letter-spacing: 2px;
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
}

.sh-tnf .sh-tnf-seo-btn:hover{
    background: var(--tnf-red);
    color: var(--tnf-white);
    border-color: var(--tnf-red);
}
.displaynone{
display: none !important;
}

.sh-tnf .sh-tnf-usage{
  padding: 60px 5%;
  background: #fff;
}

.sh-tnf .sh-tnf-discount-btn{
     display: inline-block;
            text-decoration: none;
            background: transparent;
            color: var(--tnf-black);
            border: 2px solid var(--tnf-black);
            padding: 18px 60px;
            font-weight: 800;
            letter-spacing: 3px;
            font-size: 0.9rem;
            text-transform: uppercase;
            margin-top: 40px;
            margin-bottom: 60px;
            transition: 0.3s;
}

.sh-tnf .sh-tnf-discount-btn:hover{
  background: #000;
  color: #fff;
}

.sh-tnf .sh-tnf-usage-grid{
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.sh-tnf .sh-tnf-usage-item{
  display: block;
  position: relative;
  overflow: hidden;
  background: #f4f4f4;
  border: 1px solid #eee;
  text-decoration: none;
}

.sh-tnf .sh-tnf-usage-item img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform .45s ease;
  display: block;
}

.sh-tnf .sh-tnf-usage-item:hover img{
  transform: scale(1.05);
}

/* Responsive */
@media (max-width: 1024px){
  .sh-tnf .sh-tnf-usage-grid{
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px){
  .sh-tnf .sh-tnf-usage{
    padding: 45px 5%;
  }
  .sh-tnf .sh-tnf-usage-grid{
    grid-template-columns: 1fr;
  }
  .sh-tnf .sh-tnf-discount-btn{
    font-size: .78rem;
    padding: 16px 18px;
    letter-spacing: 1.5px;
  }
}

  .sh-cdnhero{
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    background: #000; /* fallback */
  }

  /* Poster: Desktop */
  .sh-cdnhero{
    background-image: url("https://sporthink.sm.mncdn.com/sporthink/frontend/ozel-marka-sayfalari/tnf/frame-1.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }

  /* Poster: Mobile */
  @media (max-width: 992px){
    .sh-cdnhero{
      background-image: url("https://sporthink.sm.mncdn.com/sporthink/frontend/ozel-marka-sayfalari/tnf/frame-1.webp");
    }
  }

  /* Video: cover */
  .sh-cdnhero__video{
    width: 100vw;
    height: 56.25vw;
    min-height: 100vh;
    min-width: 177.77vh;

    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    object-fit: cover;
    pointer-events: none;

    opacity: 0;                 /* poster görünsün */
    transition: opacity .6s ease;
  }

  /* Video hazır olunca aç */
  .sh-cdnhero.is-video-ready .sh-cdnhero__video{
    opacity: 1;
  }

  /* Overlay */
  .sh-cdnhero__overlay{
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(90deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.25) 45%, transparent 100%);
  }

  /* Content */
  .sh-cdnhero__content{
    position: relative;
    z-index: 3;
    padding-left: 8%;
    max-width: 820px;
    text-transform: uppercase;
    color: #fff;
  }

  .sh-cdnhero__kicker{
    display: block;
    color: #e30613;
    font-weight: 700;
    letter-spacing: 5px;
    font-size: 0.9rem;
    margin-bottom: 15px;
  }

  .sh-cdnhero__title{
    margin: 0;
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 1.05;
  }

  .sh-cdnhero__desc{
    text-transform: none;
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 25px 0 35px;
    color: rgba(255,255,255,0.88);
    max-width: 560px;
  }

  .sh-cdnhero__btns{
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
  }

  .sh-cdnhero__btn{
    text-decoration: none;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.95);
    padding: 12px 40px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    transition: 0.3s;
  }

  .sh-cdnhero__btn:hover{
    background: #e30613;
    border-color: #e30613;
  }

  /* Mobile content align */
  @media (max-width: 992px){
    .sh-cdnhero{
      height: 90vh;
    }
    .sh-cdnhero__content{
      padding-left: 5%;
      padding-right: 5%;
      text-align: center;
      margin: 0 auto;
    }
    .sh-cdnhero__btns{
      justify-content: center;
    }
    .sh-cdnhero__btn{
      width: 100%;
      max-width: 320px;
      text-align: center;
      padding: 14px 0;
    }
  }