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

body {
    font-family: Arial, Helvetica, sans-serif;
    min-height: 100vh;
    padding-bottom: 80px;
    padding-top: 84px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    will-change: opacity, transform;
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    z-index: 1000;
}

.app-header-container {
    width: 80%;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: #0033A0;
    padding: 20px 0px;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background-color: #0033A0;
    object-fit: cover;
}

.logo-title {
    display: block;
    font-size: 16px;
    font-weight: 700;
}

.logo-subtitle {
    display: block;
    font-size: 12px;
    color: #0033A0;
}

.search-form {
    display: flex;
    align-items: stretch;
    width: min(100%, 420px);
    border-radius: 20px;
    overflow: hidden;
    flex-shrink: 0;
}

.search-input {
    background: #0033A0;
    flex: 1;
    border: none;
    padding: 15px;
    font-size: 14px;
    color: white;
    min-width: 0;
}

.search-input:focus {
    outline: none;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.8);
    opacity: 1;
}

.search-button {
    background: #0033A0;
    border: none;
    color: white;
    padding: 0 18px;
    min-width: 52px;

    display: flex;
    align-items: center;
    justify-content: center;

    cursor: pointer;
    transition: background 0.2s ease;
}

.page-content {
    width: 80%;
    height: 400px;
    margin: auto;
    margin-top: 10px;

    background-image: url("../img/banner.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    border-radius: 20px;

    position: relative;
    overflow: hidden;

    display: flex;
    justify-content: center;
    align-items: center;
}

.page-content::before {
    content: "";
    position: absolute;
    inset: 0;

    background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0.416) 0%,
            rgba(0, 0, 0, 0.416) 50%,
            rgb(0, 0, 0) 100%);

    z-index: 1;
}

.hero {
    position: relative;
    z-index: 2;

    max-width: 760px;
    text-align: center;

    color: #fff;
    animation: fadeInUp 0.8s ease both;
}

.hero h1 {
    font-size: 38px;
    margin-bottom: 12px;
    color: #fff;
}

.hero p {
    font-size: 18px;
    line-height: 1.6;
    color: #f1f1f1;
    opacity: 0.95;
    animation: floatIn 0.95s ease both;
    animation-delay: 0.1s;
}

.about-brand {
    width: 60%;
    margin: auto;
    text-align: center;
    margin-top: 50px;
}

.about-brand h2 {
    font-size: 28px;
    color: #0033A0;
    margin-bottom: 16px;
}

.about-brand p {
    font-size: 16px;
    line-height: 1.6;
    color: #4a4a4a;
}

.product-section {
    width: 80%;
    margin: auto;
    padding: 28px 0px;
    background: #ffffff;
    border-radius: 24px;
}

.product-detail-page {
    width: 80%;
    margin: 32px auto 24px;
}

.product-detail-card {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 32px;
    background: #ffffff;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 51, 160, 0.1);
}

.detail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.detail-info {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.color-options {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 18px 0;
}

.color-btn {
    padding: 10px 18px;
    border: 2px solid #1e3a8a;
    background: white;
    color: #1e3a8a;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.color-btn:hover {
    background: #1e3a8a;
    color: white;
}

.color-btn.active {
    background: #1e3a8a;
    color: white;
}

.detail-info h1 {
    font-size: 34px;
    color: #0033A0;
}

.detail-info h3 {
    font-size: 15px;
    margin-bottom: -25px;
    margin-top: 20px;
}

.detail-subtitle {
    color: #4a4a4a;
    font-size: 16px;
}

.detail-price {
    display: inline-block;
    font-size: 28px;
    font-weight: 800;
    color: #0033A0;
}

.detail-features {
    list-style: none;
    padding-left: 0;
    display: grid;
    gap: 10px;
}

.detail-features li {
    padding-left: 22px;
    position: relative;
    color: #444;
    line-height: 1.7;
}

.detail-features li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    color: #0033A0;
}

.buy-button {
    width: fit-content;
    padding: 14px 26px;
    border-radius: 999px;
    background: #0033A0;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    transition: background 0.2s ease, transform 0.2s ease;
}

.buy-button:hover {
    background: #002266;
    transform: translateY(-1px);
}

.section-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.section-top h2 {
    font-size: 28px;
    color: #0033A0;
    margin-bottom: 8px;
}

.section-top p {
    color: #4a4a4a;
    line-height: 1.7;
    max-width: 640px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.product-card {
    display: flex;
    flex-direction: column;
    background: #f7faff;
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(0, 51, 160, 0.12);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    text-decoration: none;
    color: inherit;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 26px 48px rgba(0, 51, 160, 0.16);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.product-card h3 {
    font-size: 20px;
    margin: 18px 20px 10px;
    color: #0033A0;
}

.product-card p {
    color: #4a4a4a;
    font-size: 14px;
    line-height: 1.75;
    margin: 0 20px 16px;
}

.product-price {
    display: inline-block;
    margin: 0 20px 18px;
    color: #0033A0;
    font-weight: 700;
}

.benefit-section {
    width: 80%;
    margin: auto;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.benefit-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 24px;
    border-radius: 20px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.benefit-card:nth-child(1) {
    animation-delay: 0.14s;
}

.benefit-card:nth-child(2) {
    animation-delay: 0.20s;
}

.benefit-card:nth-child(3) {
    animation-delay: 0.26s;
}

.benefit-card i {
    font-size: 40px;
    color: #0033A0;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 18px;
    color: #0033A0;
    margin-bottom: 8px;
    font-weight: 700;
}

.benefit-card p {
    color: #4a4a4a;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.cta-section {
    width: 80%;
    margin: 32px auto;
    padding: 40px;
    background: linear-gradient(135deg, #0033A0 0%, #002266 100%);
    border-radius: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.sponsor-section {
    width: 80%;
    margin: 24px auto 32px;
    padding: 32px;
    border-radius: 24px;
    text-align: center;
}

.sponsor-section h2 {
    font-size: 28px;
    color: #0033A0;
    margin-bottom: 24px;
}

.sponsor-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.sponsor-card {
    border-radius: 20px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.sponsor-card img {
    width: 100%;
    max-width: 200px;
    object-fit: contain;
}

.sponsor-card span {
    font-weight: 700;
    color: #0033A0;
}

.whatsapp-section {
    width: 80%;
    margin: 0 auto 32px;
}

.whatsapp-card {
    border-radius: 24px;
    padding: 28px 0px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;

    color: white;
}

.whatsapp-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.15);

    display: flex;
    align-items: center;
    justify-content: center;

    flex-shrink: 0;
}

.whatsapp-icon i {
    font-size: 36px;
}

.whatsapp-content {
    flex: 1;
}

.whatsapp-content h2 {
    font-size: 28px;
    margin-bottom: 8px;
}

.whatsapp-content p {
    font-size: 15px;
    line-height: 1.6;
    opacity: 0.95;
}

.whatsapp-button {
    background: white;
    color: #0033A0;
    text-decoration: none;

    padding: 14px 28px;
    border-radius: 999px;

    font-weight: 700;
    transition: transform 0.2s ease, background 0.2s ease;

    white-space: nowrap;
}

.whatsapp-button:hover {
    transform: translateY(-3px);
}

.whatsapp-button:hover {
    transform: translateY(-2px);
    background: #f5f5f5;
}

.no-results {
    width: 100%;
    padding: 18px 22px;
    margin-top: 24px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 18px;
    color: #0033A0;
    font-weight: 700;
    border: 1px solid rgba(0, 51, 160, 0.15);
    text-align: center;
}

.bottom-menu {
    background-color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 0;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.bottom-menu .container {
    display: flex;
    width: 40%;
    justify-content: space-around;
}

.menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #0033A0;
    font-size: 12px;
    transition: color 0.3s;
}

.menu-item .icon {
    font-size: 20px;
    margin-bottom: 5px;
}

.menu-item .label {
    font-size: 10px;
}

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

/* TABLET */
@media (max-width: 992px) {

    .app-header-container,
    .page-content,
    .product-section,
    .product-detail-page {
        width: 92%;
    }

    .search-form {
        width: 40%;
    }

    .page-content {
        height: 320px;
        padding: 20px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .hero p {
        font-size: 16px;
    }

    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-detail-card {
        grid-template-columns: 1fr;
    }

    .detail-image {
        height: 350px;
    }

    .detail-info {
        padding: 24px;
    }

    .detail-info h1 {
        font-size: 28px;
    }

    .section-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .benefit-section {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .cta-section {
        padding: 32px;
    }

    .bottom-menu .container {
        width: 70%;
    }
}

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

    .app-header-container,
    .page-content,
    .product-section,
    .product-detail-page,
    .about-brand {
        width: 94%;
    }

    .app-header-container {
        padding: 16px 0;
    }

    .logo-title {
        font-size: 14px;
    }

    .logo-subtitle {
        font-size: 11px;
    }

    .search-input {
        padding: 12px;
        font-size: 13px;
    }

    .search-button {
        padding: 0 14px;
    }

    .page-content {
        height: 260px;
        border-radius: 16px;
    }

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

    .hero p {
        font-size: 14px;
        line-height: 1.5;
    }

    .about-brand {
        width: 80%;
        text-align: center;
    }

    .about-brand h2 {
        font-size: 22px;
        margin-bottom: 12px;
    }

    .about-brand p {
        text-align: justify;
        font-size: 14px;
        line-height: 1.7;
    }

    .sponsor-section {
        width: 94%;
        padding: 20px 0;
    }

    .sponsor-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
        gap: 16px;
    }

    .benefit-section {
        width: 94%;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        margin-top: 10px;

    }

    .benefit-card {
        padding: 10px 6px;
        border-radius: 12px;
        min-height: 100px;
        justify-content: center;
    }

    .benefit-card i {
        font-size: 18px;
        margin-bottom: 6px;
    }

    .benefit-card h3 {
        font-size: 10px;
        line-height: 1.2;
        margin-bottom: 3px;
    }

    .benefit-card p {
        font-size: 8px;
        line-height: 1.3;
    }

    .section-top h2 {
        font-size: 22px;
    }

    .section-top p {
        font-size: 14px;
    }

    .product-card h3 {
        font-size: 18px;
    }

    .product-card p {
        font-size: 13px;
    }

    .product-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }

    .product-image {
        height: 220px;
    }

    .detail-image {
        height: auto;
    }

    .detail-info {
        padding: 20px;
        gap: 14px;
    }

    .detail-info h1 {
        font-size: 24px;
    }

    .detail-subtitle {
        font-size: 14px;
    }

    .detail-price {
        font-size: 24px;
    }

    .detail-features li {
        font-size: 14px;
    }

    .cta-section {
        width: 94%;
        margin: 24px auto;
        padding: 28px 20px;
    }

    .whatsapp-section {
        width: 94%;
        margin-bottom: 24px;
    }

    .whatsapp-card {
        flex-direction: column;
        text-align: center;
        padding: 22px 18px;
        border-radius: 20px;
        gap: 18px;
    }

    .whatsapp-icon {
        width: 58px;
        height: 58px;
        border-radius: 16px;
    }

    .whatsapp-icon i {
        font-size: 28px;
    }

    .whatsapp-content h2 {
        font-size: 20px;
    }

    .whatsapp-content p {
        font-size: 13px;
    }

    .whatsapp-button {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        font-size: 14px;
    }

    .buy-button {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .sponsor-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sponsor-card img {
        max-width: 100px;
    }

    .bottom-menu .container {
        width: 100%;
    }

    .menu-item .icon {
        font-size: 18px;
    }

    .menu-item .label {
        font-size: 9px;
    }
}

/* SMALL MOBILE */
@media (max-width: 480px) {

    .page-content {
        height: 220px;
    }

    .about-brand {
        margin-top: 24px;
    }

    .about-brand h2 {
        font-size: 20px;
    }

    .about-brand p {
        font-size: 13px;
        line-height: 1.6;
    }

    .hero h1 {
        font-size: 20px;
    }

    .hero p {
        font-size: 13px;
    }

    .logo-icon {
        width: 38px;
        height: 38px;
    }

    .detail-info h1 {
        font-size: 20px;
    }

    .detail-price {
        font-size: 20px;
    }

    .product-image {
        height: 190px;
    }
}