/* ===========================
PRODUCT HERO
=========================== */

#productHero{

    position:relative;

    min-height: 100vh;
    height: 100svh;

    display:flex;
    align-items:center;

    overflow:hidden;

    /* background:url("../../assets/images/banners/img1.jpg") center/cover; */

}

#productHero::before{

    content:"";

    position:absolute;
    inset:0;

    background:linear-gradient(
        rgba(0,20,60,.72),
        rgba(0,20,60,.72)
    );

}

#productHero .hero-content{

    position:relative;

    z-index:2;

    color:#fff;

}

.sub-heading{

    display:inline-block;

    letter-spacing:3px;

    color:#9EDBFF;

    margin-bottom:20px;

    font-weight:600;

}

#productHero .heading{

    color:#fff;

    margin-bottom:25px;

    font-size:clamp(60px,8vw,130px);

}

#productHero p{

    max-width:620px;

    font-size:20px;

    opacity:.9;

}


/* ===========================
INTRO
=========================== */

#productIntro{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:80px;

    padding:120px 0;

}

#productIntro h2{

    font-size:56px;

    line-height:1.05;

    color:var(--primary-color);

    font-family:var(--heading-font);

    text-transform:uppercase;

}

#productIntro p{

    font-size:18px;

    line-height:1.9;

    opacity:.8;

}


/*=================================
CATEGORY NAVIGATION
=================================*/

#productCategories{

    position:sticky;

    top:85px;

    z-index:50;

    background:#E0FCFF;

    border-bottom:1px solid rgba(0,0,0,.08);

}

.category-nav{

    display:flex;

    justify-content:center;

    gap:18px;

    padding:18px 0;

    flex-wrap:wrap;

}

.category-nav a{

    color:var(--primary-color);

    padding:12px 26px;

    border-radius:40px;

    border:2px solid var(--primary-color);

    font-weight:600;

    transition:.35s;

}

.category-nav a:hover,
.category-nav a.active{

    background:var(--primary-color);

    color:#fff;

}


/*=================================
CATEGORY SECTION
=================================*/

.product-category{

    padding:120px 0;

}

.section-header{

    max-width:700px;

    margin-bottom:70px;

}

.product-category .heading{

    font-size:clamp(42px,5vw,80px);

    margin:12px 0;

}

.section-header p{

    font-size:18px;

    opacity:.75;

}


/*=================================
PRODUCT GRID
=================================*/

.product-grid{

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:35px;

}

.product-card{

    background:#fff;

    padding:35px;

    text-align:center;

    transition:.35s;

    border:1px solid rgba(0,0,0,.05);

    box-sizing: border-box;

}

.product-card img{

    max-height:280px;

    width:100%;

    height:auto;

    max-width:100%;

    object-fit:contain;

    margin:0 auto;

    display:block;

    transition:.45s;

    filter:drop-shadow(0 20px 20px rgba(0,0,0,.18));

}

.product-card h3{

    margin-top:25px;

    color:var(--primary-color);

    font-size:24px;

}

.product-card span{

    display:block;

    margin:12px 0 25px;

    color:#666;

}

.product-card a{

    color:var(--secondary-color);

    font-weight:700;

}

.product-card:hover{

    transform:translateY(-12px);

    box-shadow:0 30px 60px rgba(0,0,0,.12);

}

.product-card:hover img{

    transform:scale(1.05);

}

.product-card{

    overflow:hidden;

}

.product-card::before{

    content:"";

    position:absolute;

    top:0;
    left:-100%;

    width:60%;
    height:100%;

    background:linear-gradient(

        90deg,

        transparent,

        rgba(255,255,255,.45),

        transparent

    );

    transform:skewX(-20deg);

    transition:.8s;

}

.product-card:hover::before{

    left:160%;

}

.product-card{

    position:relative;

}

/*==========================
MODAL
==========================*/

#productModal{

    position:fixed;

    inset:0;

    display:flex;

    justify-content:center;

    align-items:center;

    background:rgba(0,18,45,.75);

    backdrop-filter:blur(12px);

    opacity:0;

    visibility:hidden;

    transition:.35s;

    z-index:99999;

}

#productModal.show{

    opacity:1;

    visibility:visible;

}

.modal-box{

    width:min(1150px,92%);

    max-height:90vh;

    background:#fff;

    display:grid;

    grid-template-columns:1fr 1fr;

    overflow:hidden;

    position:relative;

}

.modal-left{

    display:flex;

    justify-content:center;

    align-items:center;

    padding:60px;

    background:#F4FCFF;

    overflow:hidden;

}

.modal-left img{

    max-height:min(480px, 70vh);

    height:auto;

    width:auto;

    max-width:100%;

    object-fit:contain;

    filter:drop-shadow(0 35px 35px rgba(0,0,0,.18));

}

.modal-right{

    padding:70px;

    overflow-y:auto;

    max-height:90vh;

    -webkit-overflow-scrolling:touch;

}

.modal-right h2{

    font-size:56px;

    color:var(--primary-color);

    margin:15px 0;

}

.modal-right p{

    line-height:1.9;

    opacity:.8;

}

.product-specs{

    margin:40px 0;

}

.product-specs div{

    display:flex;

    justify-content:space-between;

    padding:16px 0;

    border-bottom:1px solid rgba(0,0,0,.08);

}

.modal-buttons{

    display:flex;

    gap:20px;

    margin-top:45px;

}

.downloadBtn{

    background:#00135F;

}

.quoteBtn{

    background:#E12428;

}

.closeModal{

    position:absolute;

    top:20px;

    right:20px;

    width:48px;

    height:48px;

    border:none;

    border-radius:50%;

    font-size:34px;

    cursor:pointer;

    background:#fff;

    box-shadow:0 15px 30px rgba(0,0,0,.15);

}


.product-card{

    cursor:pointer;

}

.product-card img{

    transition:.5s;

}

.product-card:hover img{

    transform:translateY(-8px) scale(1.04);

}

.product-card:hover{

    border-color:#00135F;

}








@media(max-width:1200px){

.product-grid{

    grid-template-columns:repeat(2,1fr);

}

}

@media(max-width:768px){

.product-grid{

    grid-template-columns:1fr;

}

.product-category{

    padding:80px 0;

}

.category-nav{

    gap:10px;

}

.category-nav a{

    padding:10px 18px;

    font-size:14px;

}

}

@media(max-width:991px){

.modal-box{

    grid-template-columns:1fr;

    max-height:92vh;

    overflow-y:auto;

}

.modal-left{

    padding:40px;

}

.modal-left img{

    max-height:280px;

    height:auto;

}

.modal-right{

    padding:40px;

    max-height:none;

    overflow-y:visible;

}

.modal-right h2{

    font-size:38px;

}

.modal-buttons{

    flex-direction:column;

}

}




/*============================

PRODUCT HERO

=============================*/

#productDetailsHero{

    position:relative;

    min-height:100vh;

    display:flex;

    align-items:center;

    overflow:hidden;

    background:#E0FCFF;

}

#productDetailsHero::before{

    content:"";

    position:absolute;

    inset:0;

    background:

    radial-gradient(circle at right,
    rgba(0,40,120,.08),
    transparent 60%);

}

.hero-content{

    position:relative;

    z-index:2;

}

.breadcrumb{

    margin-bottom:60px;

    display:flex;

    gap:15px;

    align-items:center;

    font-size:15px;

}

.breadcrumb a{

    color:#666;

}

.product-layout{

    display:grid;

    grid-template-columns:1fr 1fr;

    align-items:center;

    gap:100px;

}

.product-image{

    text-align:center;

}

.product-image img{

    width:100%;

    max-width:420px;

    filter:drop-shadow(0 35px 45px rgba(0,0,0,.18));

}

.category{

    display:inline-block;

    color:#1E4ED8;

    font-weight:700;

    letter-spacing:2px;

    margin-bottom:15px;

}

.product-info h1{

    font-size:72px;

    margin-bottom:25px;

    color:var(--primary-color);

}

.product-info p{

    font-size:20px;

    line-height:1.9;

    max-width:600px;

    margin-bottom:40px;

}

.buttons{

    display:flex;

    gap:20px;

}

.btn-outline{

    background:#fff;

    border:2px solid var(--primary-color);

    color:var(--primary-color);

}

@media(max-width:991px){

.product-layout{

    grid-template-columns:1fr;

    gap:60px;

}

.product-info{

    text-align:center;

}

.buttons{

    justify-content:center;

}

.product-info h1{

    font-size:48px;

}

}

/*=============================
PRODUCT FEATURES
=============================*/

#productFeatures{

    padding:120px 0;

}

.features-grid{

    display:grid;

    grid-template-columns:2fr 1fr;

    gap:80px;

    align-items:start;

}

.feature-list{

    margin-top:40px;

}

.feature-item{

    display:flex;

    gap:20px;

    margin-bottom:35px;

}

.icon{

    width:60px;
    height:60px;

    border-radius:50%;

    background:var(--primary-color);

    color:#fff;

    display:flex;

    align-items:center;

    justify-content:center;

    font-size:22px;

    flex-shrink:0;

}

.feature-item h4{

    margin-bottom:8px;

    font-size:24px;

}

.feature-item p{

    color:#666;

    line-height:1.8;

}

.sizes-card{

    background:#fff;

    padding:40px;

    box-shadow:0 20px 50px rgba(0,0,0,.08);

}

.sizes{

    display:flex;

    flex-wrap:wrap;

    gap:15px;

    margin-top:30px;

}

.sizes span{

    padding:12px 22px;

    border:2px solid var(--primary-color);

    border-radius:40px;

    font-weight:700;

    color:var(--primary-color);

}

/*=============================
APPLICATIONS
=============================*/

#applications{

    padding:120px 0;

    background:#F8FCFD;

}

.application-grid{

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:30px;

    margin-top:60px;

}

.application-card{

    background:#fff;

    padding:50px 30px;

    text-align:center;

    transition:.35s;

    box-shadow:0 15px 40px rgba(0,0,0,.05);

}

.app-icon{

    font-size:55px;

    margin-bottom:20px;

}

.application-card:hover{

    transform:translateY(-10px);

    box-shadow:0 25px 50px rgba(0,0,0,.12);

}

@media(max-width:991px){

.features-grid{

    grid-template-columns:1fr;

}

.application-grid{

    grid-template-columns:repeat(2,1fr);

}

}

@media(max-width:600px){

.application-grid{

    grid-template-columns:1fr;

}

}

/*==================================

PRODUCT SPECIFICATIONS

==================================*/

#productSpecifications{

    padding:120px 0;

}

.specifications-grid{

    display:grid;

    grid-template-columns:1.6fr 1fr;

    gap:60px;

    margin-top:70px;

}

.spec-table{

    background:#fff;

    box-shadow:0 20px 45px rgba(0,0,0,.08);

    overflow:hidden;

}

.spec-row{

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:22px 35px;

    border-bottom:1px solid rgba(0,0,0,.08);

}

.spec-row:last-child{

    border-bottom:none;

}

.spec-row span{

    color:#666;

    font-size:16px;

}

.spec-row strong{

    color:var(--primary-color);

    font-size:18px;

}

.quality-card{

    background:linear-gradient(135deg,#001B64,#133D96);

    color:#fff;

    padding:45px;

}

.quality-card h3{

    margin:20px 0;

    font-size:34px;

    color:#fff;

}

.quality-card p{

    opacity:.9;

    line-height:1.8;

}

.quality-card ul{

    list-style:none;

    margin-top:30px;

    padding:0;

}

.quality-card li{

    padding:14px 0;

    border-bottom:1px solid rgba(255,255,255,.15);

}

.quality-card li:last-child{

    border-bottom:none;

}

@media(max-width:991px){

.specifications-grid{

    grid-template-columns:1fr;

}

.spec-row{

    flex-direction:column;

    align-items:flex-start;

    gap:8px;

}

}

/*=============================
HOW TO USE
=============================*/

#howToUse{

    padding:120px 0;

}

.steps{

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:35px;

    margin-top:70px;

}

.step-card{

    background:#fff;

    padding:45px;

    text-align:center;

    transition:.35s;

    box-shadow:0 20px 40px rgba(0,0,0,.06);

}

.step-card:hover{

    transform:translateY(-10px);

}

.step-number{

    width:80px;
    height:80px;

    margin:auto;

    border-radius:50%;

    background:var(--primary-color);

    color:#fff;

    display:flex;

    justify-content:center;

    align-items:center;

    font-size:26px;

    font-weight:bold;

    margin-bottom:25px;

}

.step-card h3{

    margin-bottom:20px;

}

.step-card p{

    color:#666;

    line-height:1.8;

}


/*=============================
SAFETY
=============================*/

#productSafety{

    padding:120px 0;

    background:#F8FCFD;

}

.safety-grid{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:40px;

}

.safety-card,
.storage-card{

    padding:45px;

    color:#fff;

}

.safety-card{

    background:#E12428;

}

.storage-card{

    background:#001B64;

}

.safety-card h2,
.storage-card h2{

    margin:20px 0 30px;

    color:#fff;

}

.safety-card ul,
.storage-card ul{

    list-style:none;

    padding:0;

}

.safety-card li,
.storage-card li{

    padding:14px 0;

    border-bottom:1px solid rgba(255,255,255,.2);

}

.safety-card li:last-child,
.storage-card li:last-child{

    border-bottom:none;

}

@media(max-width:991px){

.steps{

    grid-template-columns:1fr;

}

.safety-grid{

    grid-template-columns:1fr;

}

}

/*=================================

RELATED PRODUCTS

==================================*/

#relatedProducts{

    padding:120px 0;

}

.relatedSwiper{

    margin-top:70px;

}

.related-card{

    background:#fff;

    text-align:center;

    padding:35px;

    box-shadow:0 20px 45px rgba(0,0,0,.08);

    transition:.35s;

}

.related-card:hover{

    transform:translateY(-10px);

}

.related-card img{

    width:170px;

    margin:auto;

    margin-bottom:25px;

}

.related-card h4{

    margin-bottom:12px;

}

.related-card p{

    color:#666;

    margin-bottom:25px;

}


/*=================================

OEM CTA

==================================*/

#oemCTA{

    padding:120px 0;

}

.cta-box{

    background:linear-gradient(135deg,#001B64,#0F4AB8);

    padding:80px;

    text-align:center;

    color:#fff;

}

.cta-box h2{

    color:#fff;

    margin:20px 0;

    font-size:52px;

}

.cta-box p{

    max-width:700px;

    margin:auto;

    line-height:1.9;

    opacity:.9;

}

.cta-buttons{

    margin-top:45px;

    display:flex;

    justify-content:center;

    gap:20px;

}

@media(max-width:768px){

.cta-box{

    padding:50px 25px;

}

.cta-box h2{

    font-size:34px;

}

.cta-buttons{

    flex-direction:column;

}

}
/* ========== MOBILE FIXES ========== */
@media (max-width: 991px) {
  #productIntro {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 60px 0;
  }
  #productIntro h2 {
    font-size: clamp(28px, 7vw, 40px);
  }
  #productIntro p {
    font-size: 15px;
  }
  #productHero {
    min-height: 70svh;
    height: auto;
    padding: 120px 0 60px;
  }
  #productHero .heading {
    font-size: clamp(40px, 12vw, 72px);
  }
  #productHero p {
    font-size: 16px;
  }
  .product-category {
    padding: 60px 0;
  }
  .section-header {
    margin-bottom: 36px;
  }
  .product-card img {
    max-height: 180px;
    height: auto;
  }
  .product-card h3 {
    font-size: 18px;
  }
  .product-card {
    padding: 24px 18px;
  }
}

@media (max-width: 560px) {
  .category-nav {
    gap: 8px;
    padding: 12px 0;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .category-nav::-webkit-scrollbar { display: none; }
  .category-nav a {
    padding: 8px 14px;
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .product-card img {
    max-height: 150px;
    height: auto;
  }
  .modal-right h2 {
    font-size: 28px;
  }
  .modal-left img {
    max-height: 220px;
    height: auto;
  }
}