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

body{
    font-family:'Poppins',sans-serif;
    background:#f4fbff;
    color:#1e293b;
    overflow-x:hidden;
}

/* =========================
   HEADER
========================= */

header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    z-index:999;
    background:rgba(125, 211, 252, 0.95);
    backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(255,255,255,0.2);
    box-shadow:0 8px 25px rgba(14, 165, 233, 0.25);
}

.navbar{
    max-width:1400px;
    margin:auto;
    padding:18px 40px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}

.logo{
    display:flex;
    align-items:center;
}

.logo img{
    height:55px;
    width:auto;
    object-fit:contain;
}

/* HAMBURGER MENU */
.hamburger{
    display:none;
    background:none;
    border:none;
    cursor:pointer;
    font-size:28px;
    color:#fff;
    transition:0.3s;
}

.hamburger:hover{
    color:#38bdf8;
}

.nav-menu{
    display:flex;
    gap:30px;
    align-items:center;
    transition:0.4s ease;
}

.nav-menu a{
    text-decoration:none;
    color:#fff;
    font-weight:500;
    transition:0.3s;
}

.nav-menu a:hover{
    color:#38bdf8;
}

.language-switch{
    display:flex;
    gap:10px;
}

.lang-btn{
    border:none;
    padding:8px 14px;
    border-radius:30px;
    cursor:pointer;
    background:#fff;
    font-weight:600;
    transition:0.3s;
    color:#1e293b;
}

.lang-btn:hover{
    background:#38bdf8;
    color:#fff;
}

.lang-btn.active{
    background:#0284c7;
    color:#fff;
    box-shadow:0 2px 8px rgba(2,132,199,0.4);
}

/* =========================
   HERO (dengan slider produk)
========================= */

.hero{
    position:relative;
    width:100%;
    height:100vh;
    overflow:hidden;
}

.hero video{
    position:absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
}

.hero-overlay{
    position:absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    
    width:100%;
    height:100%;
   /* background:rgba(0,0,0,0.55); */
}
/* SLIDER PRODUK */
.product-slider-container{
    position:absolute;
    bottom:15px;
    left:0;
    right:0;
    z-index:20;
    padding:0 20px;
}

.slider-wrapper{
    max-width:1200px;
    margin:0 auto;
    position:relative;
}

.slider-title{
    text-align:center;
    margin-bottom:12px;
    color:#fff;
    font-size:12px;
    font-weight:500;
    text-shadow:1px 1px 3px rgba(0,0,0,0.3);
    letter-spacing:1px;
}

.slider-title i{
    margin-right:8px;
}

.product-slider{
    position:relative;
    overflow:hidden;
    border-radius:20px;
}

.slider-track{
    display:flex;
    transition:transform 0.5s ease;
    gap:20px;
}

.slide-group{
    flex:0 0 100%;
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:20px;
    padding:0 10px;
}

.product-card-slide{
    background:rgba(255,255,255,0.95);
    border-radius:16px;
    overflow:hidden;
    box-shadow:0 10px 25px rgba(0,0,0,0.2);
    transition:0.3s;
    backdrop-filter:blur(5px);
}

.product-card-slide:hover{
    transform:translateY(-5px);
    box-shadow:0 15px 35px rgba(0,0,0,0.3);
}

.product-card-slide img{
    width:100%;
    height:140px;
    object-fit:cover;
}

.product-card-slide .product-info{
    padding:13px;
    text-align:center;
}

.product-card-slide .product-info h4{
    font-size:13px;
    color:#1e293b;
    margin-bottom:5px;
    font-weight:600;
}

.product-card-slide .product-info p{
    font-size:10px;
    color:#64748b;
}

/* SLIDER BUTTONS */
.slider-btn{
    position:absolute;
    top:40%;
    transform:translateY(-50%);
    width:30px;
    height:30px;
    background:rgba(255,255,255,0.9);
    border:none;
    border-radius:50%;
    cursor:pointer;
    font-size:12px;
    color:#0284c7;
    transition:0.3s;
    z-index:10;
    display:flex;
    align-items:center;
    justify-content:center;
}

.slider-btn:hover{
    background:#0284c7;
    color:#fff;
}

.slider-btn-prev{
    left:-8px;
}

.slider-btn-next{
    right:-8px;
}

/* SLIDER DOTS */
.slider-dots{
    display:flex;
    justify-content:center;
    gap:12px;
    margin-top:12px;
}

.dot{
    width:8px;
    height:8px;
    border-radius:50%;
    background:rgba(255,255,255,0.5);
    cursor:pointer;
    transition:0.3s;
}

.dot.active{
    background:#fff;
    width:20px;
    border-radius:10px;
}

.hero-content{
    position:relative;
    z-index:15;
    height:100%;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
    color:#fff;
    padding:20px;
}

.hero-content h1{
    font-size:58px;
    margin-bottom:20px;
    font-weight:700;
}

.hero-content p{
    max-width:850px;
    font-size:20px;
    line-height:1.8;
}

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

section{
    padding:100px 8%;
}

.section-title{
    text-align:center;
    margin-bottom:60px;
}

.section-title h2{
    font-size:42px;
    color:#0f172a;
    margin-bottom:15px;
}

.section-title p{
    color:#475569;
}

/* =========================
   ABOUT
========================= */

.about-container{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    gap:40px;
    align-items:center;
}

.about-image img{
    width:100%;
    border-radius:25px;
    box-shadow:0 15px 40px rgba(0,0,0,0.15);
}

.about-text{
    font-size:17px;
    line-height:1.9;
}

/* =========================
   VISION SECTION
========================= */

#vision{
    background:linear-gradient(to bottom,#eef8ff,#f8fcff);
}

.card-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(360px,1fr));
    gap:40px;
}

.card{
    background:#fff;
    border-radius:32px;
    overflow:hidden;
    box-shadow:0 15px 45px rgba(0,0,0,0.08);
    transition:.4s;
}

.card:hover{
    transform:translateY(-10px);
    box-shadow:0 20px 55px rgba(14,165,233,0.18);
}

.vision-img{
    width:100%;
    height:260px;
    object-fit:cover;
    display:block;
}

.card-content{
    padding:38px;
}

.title-row{
    display:flex;
    align-items:center;
    gap:20px;
    margin-bottom:28px;
}

.icon-circle{
    width:72px;
    height:72px;
    border-radius:50%;
    background:#0b7cff;
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:34px;
    font-weight:bold;
    flex-shrink:0;
    box-shadow:0 10px 25px rgba(11,124,255,0.3);
}

.card-content h3{
    font-size:36px;
    color:#0f2b5b;
    margin-bottom:10px;
    font-weight:700;
}

.title-line{
    width:70px;
    height:5px;
    border-radius:20px;
    background:#0ea5e9;
}

.card-content p{
    font-size:18px;
    line-height:1.8;
    color:#475569;
}

.vision-list,
.quality-policy{
    padding-left:22px;
}

.vision-list li,
.quality-policy li{
    margin-bottom:18px;
    line-height:1.8;
    color:#475569;
    font-size:16px;
}

/* =========================
   SERVICE
========================= */

.service-item{
    margin-bottom:80px;
}

.service-item h3{
    font-size:32px;
    margin-bottom:30px;
    color:#0284c7;
}

.service-flex{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    gap:30px;
}

.service-box{
    background:#fff;
    border-radius:24px;
    overflow:hidden;
    box-shadow:0 10px 25px rgba(0,0,0,0.08);
}

.service-box img{
    width:100%;
    height:220px;
    object-fit:cover;
}

.service-box-content{
    padding:25px;
}

.service-box-content h4{
    margin-bottom:15px;
    color:#0f172a;
}

.service-box-content p{
    line-height:1.8;
    color:#475569;
}

/* =========================
   CERTIFICATE
========================= */

.certificate-gallery{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:30px;
}

.certificate-gallery img{
    width:100%;
    border-radius:20px;
    box-shadow:0 10px 25px rgba(0,0,0,0.12);
}

/* =========================
   CONTACT
========================= */

.contact-wrapper{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    gap:40px;
}

.contact-box{
    background:#fff;
    padding:40px;
    border-radius:24px;
    box-shadow:0 10px 30px rgba(0,0,0,0.08);
}

.contact-box h3{
    margin-bottom:20px;
    color:#0284c7;
}

.contact-box p{
    margin-bottom:12px;
    line-height:1.8;
}

iframe{
    width:100%;
    height:450px;
    border:none;
    border-radius:24px;
}

footer{
    background:#0f172a;
    color:#fff;
    text-align:center;
    padding:30px;
}

/* =========================
   RESPONSIVE
========================= */

@media(max-width:992px){
    .hamburger{
        display:block;
    }
    
    .nav-menu{
        position:fixed;
        top:80px;
        left:-100%;
        width:75%;
        max-width:350px;
        height:calc(100vh - 80px);
        background:rgba(2, 106, 162, 0.97);
        backdrop-filter:blur(15px);
        flex-direction:column;
        justify-content:flex-start;
        padding:40px 25px;
        gap:20px;
        transition:0.4s ease;
        border-radius:0 20px 20px 0;
        box-shadow:5px 0 30px rgba(0,0,0,0.25);
        z-index:1000;
    }
    
    .nav-menu.active{
        left:0;
    }
    
    .nav-menu a{
        font-size:18px;
        padding:12px 15px;
        width:100%;
        text-align:center;
        border-bottom:1px solid rgba(255,255,255,0.2);
        color:#fff;
    }
    
    .language-switch{
        margin-top:20px;
        justify-content:center;
    }
}

@media(max-width:768px){
    .navbar{
        padding:15px 20px;
    }
    
    .logo img{
        height:45px;
    }
    
    .hero-content h1{
        font-size:38px;
    }
    
    .hero-content p{
        font-size:16px;
    }
    
    .hero-content{
        padding-top:80px;
    }
    
    section{
        padding:80px 5%;
    }
    
    .section-title h2{
        font-size:32px;
    }
    
    .card-grid{
        grid-template-columns:1fr;
        gap:30px;
    }
    
    .card-content{
        padding:25px;
    }
    
    .title-row{
        flex-direction:column;
        text-align:center;
        gap:12px;
    }
    
    .icon-circle{
        width:60px;
        height:60px;
        font-size:28px;
    }
    
    .card-content h3{
        font-size:28px;
        text-align:center;
    }
    
    .title-line{
        margin:0 auto;
    }
    
    .service-item h3{
        font-size:28px;
    }
    
    .service-flex{
        grid-template-columns:1fr;
    }
    
    .contact-box{
        padding:25px;
    }
    
    iframe{
        height:350px;
    }
    
    /* Slider responsive */
    .slide-group{
        grid-template-columns:1fr;
        gap:15px;
    }
    
    .slider-btn{
        width:32px;
        height:32px;
        font-size:14px;
    }
    
    .slider-btn-prev{
        left:-5px;
    }
    
    .slider-btn-next{
        right:-5px;
    }
    
    .product-card-slide img{
        height:150px;
    }
}

@media(max-width:480px){
    .hero-content h1{
        font-size:28px;
    }
    
    .hero-content p{
        font-size:14px;
    }
    
    .section-title h2{
        font-size:26px;
    }
    
    .about-text{
        font-size:15px;
    }
    
    .nav-menu{
        width:85%;
    }
}