.product-page {
    margin-top: 60px;
}
.product-hero {
    position: sticky;
    top: 60px;
    height: calc(100vh - 60px);
}
/* .product-hero h3 {
    font-size: 44px;
    line-height: 1;
} */
.product-hero-content {
    padding-top: 100px;
}
.product-model {
    font-size: 44px;
    font-weight: 500;
    color: #7A7A7A;
    margin-bottom: 20px;
    text-transform: uppercase;
    line-height: 50px;
}
.product-specifications {
    list-style: none;
    margin-top: 10px;
    font-size: 18px;
    padding-left: 0;
}
.product-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 100px;
    align-items: center;
}
/* === Section 2 === */
.product-kasica {
    position: relative;
    width: 100%;
    height: auto;
    text-align: center;
    background-color: #f0efef;
    z-index: 1;
    padding-bottom: 80px;
}
.kasica-prasica-image {
    width: 100%;
    height: auto;
}
.product-kasica h2{
    margin-top: 20px;
}
.product-center-text {
    width: 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    margin-top: 28px;
}
.product-center-text p {
    max-width: 520px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
    /* line-height: 1.2; */
}
/* === Section 3 === */
.product-section-simple {
    position: relative;
    background-color: var(--white);
    padding: 60px 20px 60px 20px;
    z-index: 2;
}
.product-section-simple h2 {
    margin-top: 25px;
    padding: 0 0 0 12px;
}
.product-section-simple p {
    margin-top: 25px;
    padding: 0 0 0 12px;
}
/* === Section 4 === */
.product-section-wbg {
    position: relative;
    width: 100%;
    height: 100vh;
    text-align: center;
    z-index: 1;    
    display: flex;    
    align-items: flex-start;
    padding: 50px 0;
}
.product-section-6th {
    align-items: flex-start;
}

.product-hot-cold h2,
.product-hot-cold h3 {
    color: var(--white);
    margin: 0;
}
.product-hot-cold h3 {    
    margin-top: 100px;
    font-size: 25px;
    line-height: 29px;
    font-weight: 700;
}

.product-hot-cold h2 {
    font-size: 78px;
    line-height: 60px;
    margin-top: 16px;
}

.hot-cold-cards {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-top: 50px;
    gap: 20px;
    flex-wrap: nowrap;
    flex-direction: row;
}
.hot-cold-card {
    display: flex;
    flex-direction: column;
    align-items: center;    
    flex: 1 1 calc(50% - 30px);
    max-width: 380px;
    min-width: 120px;
    padding: 40px 24px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,0.3) 0%, rgba(153,153,153,0.3) 100%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    box-shadow: 0 4px 24px 0 rgba(0,0,0,0.07);
    margin-bottom: 20px;
}
.hot-cold-card-icon {
    margin-right: 0;
    margin-bottom: 15px;
}
.hot-cold-card-icon img {
    display: block;
    width: 46px;
    height: auto;
}
.hot-cold-card-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}
.hot-cold-card-title {
    font-weight: 400;
    font-size: 18px;
    line-height: 28px;
    letter-spacing: -0.02em;
    text-align: center;
    color: #fff;
    margin-bottom: 6px;
}
.hot-cold-card-subtitle {
    font-weight: 500;
    font-size: 26px;
    line-height: 26px;
    letter-spacing: -0.02em;
    text-align: center;
    color: #111;
    margin-top: 10px;
}
/* === Section 5 === */
.product-night-mode {
    height: 110vh;
    background: url('../assets/img/product/nocni-rezim-mob.jpg') center/cover no-repeat;
}
.product-night-mode h2 {
    color: var(--white);
    margin-top: 38vh;
    padding: 0 40px;
}
.product-night-mode p {
    color: var(--white);
}
.product-section-image {
    width: 100%;
}
.product-section-simple-5th {
    padding: 60px 20px 60px 20px;
}

/* === RESPONSIVE BREAKPOINTS === */
/* XS - default: <576px — ne treba poseban media query */
/* SM - ≥576px */
@media (min-width: 390px) {
    .product-kasica {
        height: auto;
    }
    .product-kasica h2 {
        margin-top: 20px;
    }
    .product-section-wbg {
        height: 100vh;
    }
    .product-section-6th {
        height: 90vh;
    }
}
@media (min-width: 540px) {
    .product-section-wbg {
        height: 140vh;
    }
    .hot-cold-cards {
        flex-direction: column;        
        align-items: center;        
    }
}

/* MD - ≥768px */
@media (min-width: 768px) {
    .product-kasica {
        background-attachment: scroll;
        -webkit-background-size: cover;
        background-size: cover;
    }
    .product-section-wbg {
        height: 120vh;
    }
    .product-hot-cold h3 {
        margin-top: 150px;
        font-size: 29px;
        
    }
    .product-hot-cold h2 {
        font-size: 58px;
        line-height: 1;
    } 
    .product-section-simple {
        padding: 80px 0px 80px 0px;       
    }
    .product-section-simple .col-sm-6,
    .product-section-simple-5th .col-sm-6 {
        align-self: center;
    }
    .product-section-simple h2 {
        margin-top: 0;
    }
    .product-section-simple-5th {
        padding: 60px 0 60px 0;
    }
    .hot-cold-cards {
        flex-direction: row;        
        gap: 32px;    
    }
    .hot-cold-card {
        min-width: 300px;
    }
    .product-night-mode h2 {
        margin-top: 25vh;
    }
    .product-night-mode {
        background: url('../assets/img/product/nocni-rezim.webp') center/cover no-repeat;
    }
    .product-center-text p {
        padding: 0;
    }
    .custom-col-p-50 {
        padding-right: 50px;
    }
}

/* LG - ≥992px */
@media (min-width: 992px) {
    .product-hot-cold h2 {
        font-size: 72px;
    }
    .product-hot-cold h3 {
        margin-top: 180px;
        font-size: 48px;
        line-height: 48px;
    }
    .hot-cold-card-title {
        font-size: 29px;
        line-height: 28px;
        letter-spacing: 0;
    }
    .hot-cold-card-subtitle {
        font-size: 38px;
        line-height: 26px;
        letter-spacing: 0;
    }
    .product-kasica {
        height: 100vh;
        padding-bottom: 0;
        background: url('../assets/img/product/kasica-prasica.webp') center/cover no-repeat;
    }
    .product-kasica h2 {
        margin-top: 120px;
    }
    /* .product-hot-cold {
        background: url('../assets/img/product/toplo-hladno-mob.jpg') center/cover no-repeat;
        background-position: center;   
        background-position: 50% -70px;
    } */

    .sticky-hot-cold-bg {
        display: none;
    }
    .kasica-prasica-image {
        display: none;
    }
    .hot-cold-cards {
        flex-direction: row;
        gap: 64px;
    }
    .product-night-mode h2 {
        margin-top: 30vh;
    }
    .product-hot-cold {
        background: url('../assets/img/product/toplo-hladno.webp') center/cover no-repeat;
    }
    .product-section-simple-5th {
        padding: 0px 0px 60px 0;
    }
    .hot-cold-card-icon img {
        width: 60px;
    }
}

/* XL - ≥1200px */
@media (min-width: 1200px) {
    .product-kasica h2 {
        margin-top: 80px;
        /* font-size: 50px;
        line-height: 50px; */
    }
    .product-hot-cold h2 {
        font-size: 80px;
    }
    .product-hot-cold h3 {
        margin-top: 250px;
        font-size: 50px;
        line-height: 50px;
    }
    .hot-cold-cards {
        margin-top: 50px;
    }
    .product-kasica {
        height: 140vh;
    }
    .product-section-simple,
    .product-section-simple-5th {
        padding: 135px 0;
    }
    .product-section-wbg {
        height: 175vh;
        /* align-items: center; */
    }
    .product-hot-cold {
        background-position: center;
    }
    .hot-cold-card {
        min-width: 360px;
    }
    .product-night-mode h2 {
        margin-top: 40vh;
    }
    .product-section-wbg {   
        align-items: flex-start;
    }
}

/* XXL - ≥1400px */
@media (min-width: 1400px) {
    .product-kasica h2 {
        margin-top: 15vh;
        /* font-size: 60px;
        line-height: 60px; */
    }
    .product-kasica {
        height: 125vh;
    }
    .product-hot-cold h2 {
        font-size: 86px;
        margin-top:8px;
    }
    .product-hot-cold h3 {
        margin-top: 30vh;
    }
    .product-section-wbg {
        height: 125vh;
    }
    .product-section-6th {
        height: 140vh;
    }
    .hot-cold-cards {
        flex-direction: row;
        gap: 64px;
    }
   .product-night-mode h2 {
        margin-top: 30vh;
    }
    .product-center-text p {
        max-width: 700px;
    }

}
@media (min-width: 1920px) {
    .hot-cold-cards {
        margin-top: 100px;
    }
    .product-kasica {
        height: 100vh;
    }
    .product-kasica h2 {
        font-size: 72px;
        line-height: 72px;
    }
    .product-night-mode h2 {
        margin-top: 40vh;
    }
}

/* === Budzenje toplo hladno sekcije === */
@media (max-width: 991.98px) {
  .sticky-hot-cold-bg {
    position: sticky;
    top: 60px;
    width: 100%;
    height: 100vh;
    background: url('../assets/img/product/toplo-hladno-mob.webp') center/cover no-repeat;
    /* background-position: 50% -70px; */
    z-index: 1;
  }

  .product-hot-cold {
    position: relative;
    z-index: 2;
  }

  .product-hot-cold-container {
    position: relative;
    z-index: 3;
  }
}
/* === SAFARI & IPHONE OPTIMIZATIONS === */
/* Safari backdrop-filter fix */
@supports not (backdrop-filter: blur(4px)) {
    .hot-cold-card {
        background: rgba(255, 255, 255, 0.85);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
}

/* Safari sticky positioning fix */
@supports (-webkit-touch-callout: none) {
    .product-hero {
        position: -webkit-sticky;
        position: sticky;
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
    
    .product-section-wbg {
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        will-change: auto;
    }
    
    .sticky-hot-cold-bg {
        position: -webkit-sticky;
        position: sticky;
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
}

/* iOS Safari background image fix */
@supports (-webkit-touch-callout: none) {
    .product-kasica {
        background-attachment: scroll;
        -webkit-background-size: cover;
        background-size: cover;
    }
    
    .product-hot-cold {
        background-attachment: scroll;
        -webkit-background-size: cover;
        background-size: cover;
    }
    
    .product-night-mode {
        background-attachment: scroll;
        -webkit-background-size: cover;
        background-size: cover;
    }
    
    .sticky-hot-cold-bg {
        background-attachment: scroll;
        -webkit-background-size: cover;
        background-size: cover;
    }
}

/* iPhone specific fixes - iOS Safari only */
@supports (-webkit-touch-callout: none) and (pointer: coarse) {
    .product-section-wbg {
        height: auto;
        min-height: 100svh; /* Koristi small viewport height */
        min-height: 100vh; /* Fallback za starije browsere */
        -webkit-overflow-scrolling: touch;
        padding-bottom: 40px; /* Dodaje padding za sigurnost */
    }
    
    .product-kasica {
        height: auto;
        min-height: 100svh; /* Koristi small viewport height */
        min-height: 100vh; /* Fallback za starije browsere */
        padding-bottom: 60px;
    }
    
    .hot-cold-card {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(255, 255, 255, 0.9);
        border: 1px solid rgba(255, 255, 255, 0.3);
    }
}

/* Alternativno rešenje za starije iOS verzije */
@media screen and (max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2) {
    .product-section-wbg {
        height: auto !important;
        min-height: calc(100vh - 120px) !important; /* Oduzima prostor za UI elemente */
        padding: 40px 0 60px 0 !important;
    }
    
    .product-kasica {
        height: auto !important;
        min-height: calc(100vh - 80px) !important;
    }
    
    /* Posebno za iPhone X/11/12/13/14/15 series sa notch */
    @supports (padding: max(0px)) {
        .product-section-wbg {
            min-height: calc(100vh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 60px) !important;
            padding-top: calc(40px + env(safe-area-inset-top));
            padding-bottom: calc(60px + env(safe-area-inset-bottom));
        }
    }
}

/* Dodatno rešenje za landscape orijentaciju na iPhone */
@media screen and (max-device-height: 480px) and (orientation: landscape) {
    .product-section-wbg,
    .product-kasica {
        min-height: auto !important;
        height: auto !important;
        padding: 20px 0 40px 0 !important;
    }
}

/* === ADDITIONAL SAFARI PERFORMANCE OPTIMIZATIONS === */
/* Force hardware acceleration on problematic elements - Safari/iOS only */
@supports (-webkit-touch-callout: none) {
    .hot-cold-card {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        will-change: transform;
    }
}

/* Safari-specific scroll improvements - iOS Safari only */
@supports (-webkit-touch-callout: none) and (pointer: coarse) {
    .product-page {
        -webkit-overflow-scrolling: touch;
    }
}

/* === END OF RESPONSIVE BREAKPOINTS === */

















.circle {
    position: absolute;
    border-radius: 50%;
    background: rgb(0, 212, 233);
    pointer-events: none;
    z-index: 2;
    overflow: visible;
}
.circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(0, 212, 233, 0.7);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    animation: pulse-animation 2s infinite;
    z-index: -1;
}

@keyframes pulse-animation {
    0% {
        transform: translate(-50%, -50%) scale(0.9);
        opacity: 0.7;
    }
    75% {
        transform: translate(-50%, -50%) scale(3);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(0.9);
        opacity: 0;
    }
}
/* Veličine i pozicije za svaki krug */
.circle-1 { width: 15px; height: 15px; top: 80%; left: 7%; }
.circle-2 { width: 15px; height: 15px; top: 84%; left: 29%; }
.circle-3 { width: 15px; height: 15px; top: 6%; left: 35%; }
.circle-4 { width: 15px; height: 15px; top: 74%; left: 50%; }
.circle-5 { width: 15px; height: 15px; top: 60%; left: 62%; }
.circle-6 { width: 15px; height: 15px; top: 76%; left: 76.5%; }
/* MD - ≥768px */
@media (min-width: 768px) {
    .circle-1 { top: 75%; left: 22%; }
    .circle-3 { top: 6%; left: 15%; }
}
/* LG - ≥992px */
@media (min-width: 992px) {
    .circle-3 { top: 69.3%; left: 42%;}
    .circle-6 { display: block; }
}
.circle-1,
.circle-2,
.circle-3,
.circle-4,
.circle-5,
.circle-6 { 
    display: none;
}