/* --- MINERIUM DETAIL PAGE: INDUSTRIAL PREMIUM STYLE --- */

/* 1. RESET & GLOBAL STYLES */
body.detail-page {
    background: #3b0202;
    /* Hitam pekat */
    color: #fff;
    margin: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.1;
    overflow-x: hidden;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0px;
    overflow: hidden;
}

/* 2. NAVIGATION: BACK BUTTON */
.back-btn {
    position: fixed;
    top: 100px;
    left: 40px;
    z-index: 990;
    color: #fff;
    text-decoration: none;
    font-weight: 800;
    font-size: 11px;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 15px;
    backdrop-filter: blur(5px);
    transition: 0.3s;
}

.back-btn:hover {
    color: #d7cdcd;
    padding-left: 20px;
}

/* 3. HERO SECTION */
.detail-hero {
    position: relative;
    height: 65vh;
    width: 100%;
    overflow: hidden;
    /* Beri ruang agar tidak tertimpa navbar fixed */
    margin-top: 0;
}

.detail-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-hero .overlay-dark {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, #3b0202 5%, oklch(25.112% 0.10127 28.837 / 0.4) 50%, transparent 100%);
}

.hero-text {
    position: absolute;
    bottom: 60px;
    left: 7.5%;
    z-index: 10;
}

.category-tag {
    color: #e6e4dd;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.hero-text h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    margin-top: 10px;
    line-height: 1.1;
    text-transform: uppercase;
}

/* 4. CONTENT: OVERVIEW GRID */
.detail-content {
    padding: 50px 0;
}

.info-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 100px;
}

h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: auto;
    text-transform: uppercase;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100px;
    height: 1px;
    background: #ededec;
}

.main-desc p {
    font-size: 16px;
    color: #ccc;
    margin-top: 18px;
    margin-bottom: auto;
    text-align: justify;
}

/* 5. SPLIT FEATURE (TEXT LEFT, IMAGE RIGHT) */
.split-feature {
    padding: 100px 0;
    background: #3b0202;
    /* Kontras sedikit dengan background utama */
    margin-bottom: 80px;
}

.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.split-text .sub-title {
    color: #ededec;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 3px;
    display: block;
    margin-bottom: auto;
}

.split-text p {
    font-size: 16px;
    color: #aaa;
    line-height: 1.3;
    margin-top: 1px;
    text-align: justify;
}

.split-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-left: 10px solid #ededec;
    /* Aksen Industrial */
    box-shadow: 20px 20px 0px rgba(255, 205, 0, 0.05);
}

/* 6. TECHNICAL SPECS CARD */
.tech-specs {
    background: #784747;
    padding: 35px;
    border-top: 4px solid #ededec;
    height: 350px;
}

.tech-specs h3 {
    margin-bottom: auto;
    font-size: 16px;
    letter-spacing: 2px;
    color: #ededec;
    text-transform: uppercase;
}

.tech-specs ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-specs li {
    padding: 15px 0;
    border-bottom: 1px solid #e1dbdb;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    font-weight: 600;
}

.tech-specs li span {
    color: #dcd2d2;
    font-weight: 400;
}

/* 7. GALLERY SECTION */
.detail-gallery {
    padding-bottom: 10px;
    width: auto;
    height: auto;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.gallery-grid img {
    width: 100%;
    height: 100%;
    max-height: 250px;
    object-fit: cover;
    filter: grayscale(100%);
    transition: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.gallery-grid img:hover {
    filter: grayscale(0%);
    transform: scale(1);
    z-index: 2;
}

/* 8. SCROLL POPUP CTA */
.scroll-popup {
    position: fixed;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 600px;
    background: rgba(15, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 205, 0, 0.3);
    border-radius: 12px;
    padding: 20px 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
    z-index: 1000;
    transition: bottom 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s;
    opacity: 0;
}

.scroll-popup.show {
    bottom: 30px;
    opacity: 1;
}

.scroll-popup .popup-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
}

.scroll-popup p {
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    color: #ddd;
    flex: 1;
    line-height: 1.4;
}

.scroll-popup .btn-outline-yellow {
    padding: 10px 20px;
    font-size: 11px;
}

.scroll-popup .close-popup {
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    opacity: 0.5;
    transition: 0.3s;
    line-height: 1;
    padding: 0 5px;
}

.scroll-popup .close-popup:hover {
    opacity: 1;
    color: #ffcd00;
}

.btn-outline-yellow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: clamp(14px, 3vh, 18px) clamp(30px, 5vw, 45px);
    border: 2px solid #e2e1dd;
    color: #dad7cd;
    text-decoration: none;
    font-weight: 900;
    font-size: clamp(12px, 2vw, 14px);
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: 0.3s;
}

.btn-outline-yellow:hover {
    background: #e4e2dc;
    color: #390000;
    transform: translateY(-5px);
}

/* 9. RESPONSIVE DESIGN */
@media (max-width: 992px) {

    .info-grid,
    .split-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .split-image img {
        height: 400px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Tech-specs tidak perlu fixed height di tablet */
    .tech-specs {
        height: auto;
    }
}

@media (max-width: 768px) {

    /* ============================================
       FIX UTAMA: Hero tidak lagi tertimpa navbar.
       Navbar fixed ~70px tinggi + sedikit ruang.
    ============================================ */
    .detail-hero {
        height: 55vh;
        min-height: 320px;
        /* Geser hero ke bawah navbar */
        margin-top: 70px;
    }

    /* Back-btn lebih kecil dan tidak menabrak konten */
    .back-btn {
        top: 75px;
        left: 15px;
        font-size: 10px;
        padding: 8px 12px;
        gap: 7px;
        z-index: 990;
    }

    /* Teks hero turun sedikit agar tidak terpotong */
    .hero-text {
        bottom: 30px;
        left: 5%;
        right: 5%;
    }

    .hero-text h1 {
        font-size: 28px;
        line-height: 1.15;
    }

    /* ============================================
       FIX: split-feature padding normal kembali.
       Tidak perlu padding-top besar karena
       back-btn sudah diperkecil dan margin hero
       sudah diatur.
    ============================================ */
    .split-feature {
        padding: 60px 0;
        margin-bottom: 0;
    }

    /* Kecilkan judul h2 di split-text */
    .split-text h2 {
        font-size: 19px;
        line-height: 1;
        word-break: break-word;
    }

    .split-text .sub-title {
        font-size: 11px;
    }

    /* Tech-specs tidak perlu fixed height di mobile */
    .tech-specs {
        height: auto;
        padding: 25px;
    }

    /* Sembunyikan Grid Foto agar hemat ruang */
    .gallery-grid {
        display: none !important;
    }

    /* Galeri lebih ringkas */
    .detail-gallery {
        padding-bottom: 40px;
    }

    /* Penyesuaian Scroll Popup untuk Mobile */
    .scroll-popup {
        width: 95%;
        padding: 15px;
    }
    .scroll-popup.show {
        bottom: 20px;
    }
    .scroll-popup .popup-content {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    .scroll-popup p {
        padding: 0 10px;
    }
    .scroll-popup .close-popup {
        position: absolute;
        top: 5px;
        right: 15px;
        font-size: 24px;
    }
    .scroll-popup .btn-outline-yellow {
        width: 100%;
        background: #ffcd00;
        color: #000;
        border: none;
    }

    /* Hindari Tabrakan dengan Tombol WhatsApp */
    .whatsapp-float {
        bottom: 20px !important;
        right: 20px !important;
        transform: scale(0.9);
    }
}

@media (max-width: 600px) {
    .container {
        width: 90%;
        overflow: hidden;
    }

    .detail-hero {
        margin-top: 65px;
        height: 50vh;
    }

    .hero-text h1 {
        font-size: 24px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .split-feature {
        padding: 50px 0;
    }

    .info-grid {
        margin-bottom: 50px;
    }
}