body {
    margin: 0;
    font-family: Arial;
    background: #000;
    color: #fff;
}

/* GLOBAL PREMIUM SHADOW */
.section-shadow {
    box-shadow: 0 0 18px rgba(255, 0, 80, 0.25),
                0 0 28px rgba(255, 200, 0, 0.18);
    border-radius: 14px;
    margin: 25px auto;
    padding: 10px;
}

/* HEADER */
header {
    background: #0a0a0a;
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 999;
}

.header-container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 55px;
}

/* NAVBAR DESKTOP */
nav ul {
    display: flex;
    gap: 25px;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
}

/* HAMBURGER BUTTON */
.menu-btn {
    display: none;
    font-size: 28px;
    cursor: pointer;
    color: #ff8800;
}

/* HERO */
.hero {
    text-align: center;
    padding: 20px 20px;
    background: #220000;
    border-radius: 15px;
}

.hero h1 {
    font-size: 28px;
    margin: 0;
    color: #ff8800;
}

/* PRODUCT SECTION */
.product-section {
    max-width: 1200px;
    margin: auto;
    padding: 40px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    background: #1c0000;
    border-radius: 15px;
}

.product-image {
    text-align: center;
}

.product-image img {
    width: 100%;             /* auto responsive */
    max-width: 600px;        /* batas maksimal untuk desktop */
    height: auto;
    border-radius: 15px;
    filter: drop-shadow(0 0 2px #ffffff)
            drop-shadow(0 0 4px #ff0000)
            drop-shadow(0 0 8px #ff8800);
}

/* MOBILE (≤480px) */
@media (max-width: 480px) {
    .product-image img {
        max-width: 360px;    /* batas maksimal untuk mobile */
    }
}

/* CTA BARU DI BAWAH IMAGE */
.cta-under-image {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 18px;
}

.product-info {
    max-width: 500px;
}

.product-info h2 {
    font-size: 30px;
    margin-bottom: 20px;
    color: #ff8800;
}

.spec h3, .desc h3 {
    color: #ff8800;
    margin-bottom: 10px;
}

.spec ul {
    padding-left: 20px;
}

.spec li {
    margin-bottom: 6px;
}

.spec p {
    text-align: justify;
    text-justify: inter-word;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    font-size: 14px;
}

.spec-table th,
.spec-table td {
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: left;
}

.spec-table th {
    background: rgba(255, 255, 255, 0.1);
    font-weight: bold;
}

.spec-table tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.05);
}

.spec-table {
    color: #fff; /* sesuaikan dengan tema gelapmu */
}

/* PRICE BOX */
.price-box {
    margin: 20px 0;
    background: #330000;
    padding: 15px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 0 14px rgba(255, 0, 80, 0.35);
}

.price {
    font-size: 26px;
    font-weight: bold;
    color: #ffdd55;
}

.badge {
    background: #ff0000;
    padding: 5px 12px;
    border-radius: 5px;
    font-size: 12px;
}

/* BUTTONS */
.btn {
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    transition: 0.2s;
}

.btn:hover {
    transform: scale(1.06);
    filter: brightness(1.25);
}

.primary { background: #ff0000; }
.secondary { background: #ff8800; }

footer {
    text-align: center;
    padding: 20px;
    color: #bbb;
    margin-top: 40px;
    background: #0a0000;
    border-radius: 15px;
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {

    .menu-btn {
        display: block;
    }

    nav {
        position: absolute;
        top: 75px;
        right: 0;
        width: 180px;
        background: #220000cc;
        padding: 10px 0;
        border-left: 1px solid #222;
        border-bottom: 1px solid #222;
        display: none;
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        text-align: left;
        padding-left: 0;
    }

    nav li {
        padding: 12px 20px;
    }

    .product-section {
        text-align: center;
    }

    .cta-under-image {
        flex-direction: column;
    }
}

/* === FAQ SECTION === */
#faq {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    border-radius: 14px;
    background: #200000;
    box-shadow: 0 0 18px rgba(255, 0, 80, 0.25),
                0 0 28px rgba(255, 200, 0, 0.18);
}

#faq h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 25px;
    color: #ff8800;
    text-shadow: 0 0 6px rgba(255, 100, 150, 0.7);
}

/* FAQ LIST */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* FAQ ITEM */
.faq-item {
    background: #000;
    border-radius: 12px;
    padding: 18px 20px;
    cursor: pointer;

    /* premium glowing box */
    box-shadow: 0 0 10px rgba(255, 0, 80, 0.25),
                inset 0 0 12px rgba(255, 120, 160, 0.08);
    border: 1px solid rgba(255, 120, 150, 0.22);

    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 18px rgba(255, 0, 80, 0.35),
                inset 0 0 18px rgba(255, 150, 180, 0.15);
}

/* QUESTION */
.faq-question {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: #ff8800;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ICON (+) */
.faq-question::after {
    content: "+";
    font-size: 24px;
    color: #ff8800;
    text-shadow: 0 0 8px rgba(255, 120, 170, 0.5);
    transition: transform 0.3s ease;
}

/* ROTATE WHEN OPEN */
.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

/* ANSWER */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin-top: 0;
    color: #ffffff;
    font-size: 15px;
    line-height: 1.6;
    transition: all 0.35s ease;
}

/* SHOW ANSWER */
.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
    margin-top: 12px;
}

/* MOBILE */
@media (max-width: 600px) {
    #faq {
        padding: 15px;
    }
    .faq-item {
        padding: 16px;
    }
    .faq-question {
        font-size: 16px;
    }
}

/* Footer container */
footer.section-shadow {
    padding: 20px;
    text-align: center;
    color: #fff;
    background: #0e0e0e;
    border-radius: 14px;
}

.footer-glow {
    color: #ffffff !important;
    font-weight: bold;
    animation: glowBlink 1s infinite ease-in-out;
}

/* Animasi glow */
@keyframes glowBlink {
    0% {
        text-shadow:
            0 0 2px #dfeaff,
            0 0 4px #dfeaff,
            0 0 6px #ffffff,
            0 0 10px #d4b85a;
        color: #ffffff;
    }

    50% {
        text-shadow:
            0 0 3px #ffffff,
            0 0 6px #ffffff,
            0 0 10px #f5e6a2,
            0 0 14px #d4b85a;
        color: #fffbe6;
    }

    100% {
        text-shadow:
            0 0 2px #dfeaff,
            0 0 4px #dfeaff,
            0 0 6px #ffffff,
            0 0 10px #d4b85a;
        color: #ffffff;
    }
}

}