* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #efefef;
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
}

/* ========================
   TOP LINE
======================== */
.top-line {
    width: 100%;
    height: 28px;
    background: #4f6683;
    border-bottom: 10px solid #a4b0be;
}

/* ========================
   HEADER / NAVBAR
======================== */
header {
    width: 100%;
    padding: 0 20px;
}

.navbar {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: -12px;
}

.menu-area {
    display: flex;
    gap: 150px;
    margin-left: 80px;
}

.nav-btn {
    width: 146px;
    height: 42px;
    background: #002f68;
    color: white;
    text-decoration: none;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    transition: 0.3s;
    position: relative;
    cursor: pointer;
    border: none;
}

.nav-btn:hover {
    background: #0a4b9c;
}

.active::after {
    content: '';
    width: 110px;
    height: 2px;
    background: red;
    position: absolute;
    bottom: 9px;
    left: 18px;
}

/* ========================
   LOGO BOX
======================== */
.logo-box {
    width: 330px;
    height: 74px;
    background: white;
    border: 4px solid #002f68;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    margin-right: 170px;
    margin-top: -2px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.logo-box:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.logo-img-new {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ========================
   HERO SECTION
======================== */
.hero-wrapper {
    width: 100%;
    padding: 0 16px;
    margin-top: 8px;
}

.hero-container {
    width: 1725px;
    height: 645px;
    margin: auto;
    background: #002f68;
    position: relative;
    overflow: hidden;
    padding: 24px 42px;
}

.hero-container::before {
    content: '';
    position: absolute;
    inset: 24px 42px;
    background: linear-gradient(rgba(0, 47, 104, 0.55), rgba(0, 47, 104, 0.55)), url('../media/foto1.webp');
    background-size: cover;
    background-position: center;
}

.hero-left {
    position: relative;
    z-index: 2;
    width: 760px;
    margin-top: 35px;
    margin-left: 85px;
}

.hero-left h1 {
    color: white;
    font-size: 62px;
    line-height: 1.2;
    font-weight: 700;
    width: 760px;
}

.brochure-box {
    width: 720px;
    background: white;
    margin-top: 28px;
    padding: 22px 28px;
}

.brochure-box p {
    font-size: 24px;
    line-height: 1.6;
    color: black;
    font-family: Georgia, serif;
}

.brochure-box span {
    background: #002f68;
    color: white;
    padding: 4px 10px;
}

.brochure-box strong {
    font-size: 30px;
    font-weight: 700;
}

.product-btn {
    margin-top: 40px;
    width: 220px;
    height: 52px;
    border: none;
    background: white;
    color: #2680d9;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.product-btn:hover {
    background: #2680d9;
    color: white;
    transform: translateY(-3px);
}

.product-btn span {
    margin-left: 10px;
}

.hero-right {
    position: absolute;
    right: 155px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}

.video-frame {
    width: 480px;
    height: 380px;
    background: rgba(0, 0, 0, 0.3);
    padding: 20px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.25);
    border-radius: 12px;
}

.video-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.wa-box {
    position: absolute;
    right: 78px;
    bottom: 44px;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 8px;
    background: white;
    padding: 7px 12px 7px 18px;
    border-radius: 30px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.wa-box:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.wa-box span {
    font-size: 18px;
    color: #555;
    font-weight: 600;
}

.wa-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 22px;
    color: white;
    cursor: pointer;
}

/* ========================
   PRODUCT SECTION - 3 CARD PRODUK DI KIRI
======================== */
.product-section {
    width: 100%;
    padding: 60px 0;
    background: #efefef;
}

.product-container {
    width: 1725px;
    height: 675px;
    background: #002f68;
    margin: auto;
    display: flex;
    gap: 50px;
    padding: 30px 50px;
    position: relative;
}

/* LEFT SIDE - 3 CARD PRODUK */
.product-left {
    width: 45%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-card-item {
    width: 100%;
    height: 180px;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.product-card-item.active {
    border-color: #d4a13e;
    transform: scale(1.02);
}

.product-card-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 47, 104, 0.9), transparent);
    padding: 12px;
    text-align: center;
}

.product-card-overlay span {
    color: white;
    font-size: 14px;
    font-weight: 600;
}

/* RIGHT SIDE - DETAIL PRODUK */
.product-right {
    width: 55%;
    background: #f3f3f3;
    padding: 20px 30px;
    border-radius: 16px;
    overflow-y: auto;
}

.product-right h1 {
    font-size: 42px;
    color: #002f68;
    font-weight: 800;
    margin-bottom: 20px;
    border-bottom: 3px solid #d4a13e;
    display: inline-block;
    padding-bottom: 8px;
}

.product-right h1 span {
    color: #d4a13e;
}

.product-content {
    margin-top: 20px;
}

.product-item {
    display: none;
}

.product-item.active-item {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.product-item h2 {
    color: #125d97;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.product-item h2 span {
    text-decoration: underline;
}

.product-grid {
    display: flex;
    gap: 60px;
    margin-top: 10px;
}

.product-grid p,
.product-size,
.hex-grid p {
    color: #125d97;
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 8px;
}

.hex-grid {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-top: 10px;
}

/* BONUS PRODUCT */
.product-bonus {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px dashed #ccc;
}

.product-bonus h3 {
    font-size: 18px;
    font-weight: 700;
    color: #002f68;
    margin-bottom: 8px;
}

.product-bonus p {
    font-size: 16px;
    color: #125d97;
}

/* ========================
   RESPONSIVE
======================== */
@media (max-width: 1800px) {
    .hero-container {
        width: 95%;
    }
    .menu-area {
        gap: 60px;
    }
    .logo-box {
        margin-right: 40px;
    }
    .product-container {
        width: 95%;
        padding: 30px;
    }
}

@media (max-width: 1400px) {
    .hero-left {
        width: 600px;
        margin-left: 40px;
    }
    .hero-left h1 {
        font-size: 48px;
        width: 100%;
    }
    .brochure-box {
        width: 550px;
    }
    .brochure-box p {
        font-size: 18px;
    }
    .hero-right {
        right: 80px;
    }
    .video-frame {
        width: 400px;
        height: 320px;
    }
    .product-left {
        width: 42%;
    }
    .product-right {
        width: 58%;
    }
    .product-right h1 {
        font-size: 36px;
    }
    .product-item h2 {
        font-size: 20px;
    }
    .product-grid p,
    .product-size,
    .hex-grid p {
        font-size: 16px;
    }
    .product-card-item {
        height: 160px;
    }
}

@media (max-width: 1200px) {
    .hero-left {
        width: 500px;
        margin-left: 30px;
    }
    .hero-left h1 {
        font-size: 38px;
    }
    .brochure-box {
        width: 450px;
    }
    .hero-right {
        right: 50px;
    }
    .video-frame {
        width: 340px;
        height: 270px;
    }
    .menu-area {
        gap: 30px;
        margin-left: 20px;
    }
    .nav-btn {
        width: 110px;
        font-size: 12px;
    }
    .logo-box {
        margin-right: 20px;
        width: 280px;
        height: 65px;
    }
    .product-container {
        flex-direction: column;
        height: auto;
        gap: 30px;
    }
    .product-left {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    .product-card-item {
        width: calc(33.33% - 14px);
        height: 180px;
    }
    .product-right {
        width: 100%;
    }
}

@media (max-width: 992px) {
    .hero-container {
        height: auto;
        min-height: 645px;
    }
    .hero-left {
        width: 100%;
        margin-left: 0;
    }
    .hero-left h1 {
        font-size: 32px;
        width: 100%;
    }
    .brochure-box {
        width: 100%;
    }
    .hero-right {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        margin-top: 30px;
        display: flex;
        justify-content: center;
    }
    .video-frame {
        width: 100%;
        max-width: 500px;
        height: auto;
        aspect-ratio: 16/9;
    }
    .menu-area {
        flex-wrap: wrap;
        gap: 15px;
        margin-left: 0;
    }
    .navbar {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .logo-box {
        margin-right: 0;
    }
    .hero-container::before {
        inset: 0;
    }
    .hero-container {
        padding: 24px 20px;
    }
    .wa-box {
        position: relative;
        right: auto;
        bottom: auto;
        margin-top: 30px;
        display: inline-flex;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .product-section {
        padding: 40px 0;
    }
    .product-container {
        padding: 20px;
    }
    .product-right h1 {
        font-size: 28px;
    }
    .product-item h2 {
        font-size: 18px;
    }
    .product-grid {
        flex-direction: column;
        gap: 10px;
    }
    .product-grid p,
    .product-size,
    .hex-grid p {
        font-size: 14px;
    }
    .hex-grid {
        flex-wrap: wrap;
    }
    .product-card-item {
        height: 140px;
    }
    .product-card-overlay span {
        font-size: 11px;
    }
}

@media (max-width: 576px) {
    .hero-left h1 {
        font-size: 26px;
    }
    .brochure-box p {
        font-size: 13px;
    }
    .product-btn {
        width: 160px;
        height: 42px;
        font-size: 14px;
    }
    .wa-box span {
        font-size: 14px;
    }
    .wa-circle {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
    .logo-box {
        width: 220px;
        height: 55px;
    }
    .product-card-item {
        height: 100px;
    }
    .product-right {
        padding: 15px;
    }
    .product-right h1 {
        font-size: 24px;
    }
    .product-bonus h3 {
        font-size: 15px;
    }
    .product-bonus p {
        font-size: 13px;
    }
}