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

body {
    font-family: 'Poppins', sans-serif;
    background-color: #ffffff;
    color: #1e1e2f;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #eef2ff;
}

::-webkit-scrollbar-thumb {
    background: #1E88E5;
    border-radius: 10px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== NAVBAR (biru-putih modern) ========== */
.navbar {
    background-color: #ffffffdd;
    backdrop-filter: blur(12px);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(30, 136, 229, 0.3);
    transition: all 0.3s;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #0A2B4E, #1E88E5);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    white-space: nowrap;
}

@media (max-width: 680px) {
    .logo {
        font-size: 1.2rem;
        white-space: normal;
        text-align: center;
    }
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    color: #1e2a3a;
    text-decoration: none;
    font-weight: 600;
    transition: 0.2s;
    font-size: 1rem;
}

.nav-links a:hover {
    color: #1E88E5;
    text-shadow: 0 0 4px rgba(30, 136, 229, 0.3);
}

.btn-pesan-nav {
    background: #1E88E5;
    border: none;
    padding: 8px 24px;
    border-radius: 40px;
    font-weight: 700;
    color: white;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: 0.2s;
    box-shadow: 0 4px 10px rgba(30, 136, 229, 0.3);
}

.btn-pesan-nav:hover {
    background: #0b5e9e;
    transform: scale(1.02);
    box-shadow: 0 6px 14px rgba(30, 136, 229, 0.4);
}

/* HERO SECTION: GRADIENT BIRU PUTIH CERIA */
.hero {
    padding: 80px 0 100px;
    background: linear-gradient(135deg, #EFF6FF 0%, #D4E6FF 50%, #B8D9FF 100%);
    position: relative;
    border-radius: 0 0 40px 40px;
    margin-bottom: 20px;
}

.hero-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.3rem;
    font-weight: 800;
    line-height: 1.2;
    color: #023E8A;
    text-shadow: none;
    background: linear-gradient(135deg, #023E8A, #1E88E5, #48CAE4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 1.2rem;
    color: #1f3a5f;
    margin-bottom: 32px;
    max-width: 500px;
    font-weight: 500;
}

.btn-merah {
    background: #1E88E5;
    padding: 14px 36px;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: all 0.25s;
    box-shadow: 0 8px 20px rgba(30, 136, 229, 0.3);
}

.btn-merah:hover {
    background: #0a66b3;
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(30, 136, 229, 0.4);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 48px;
    box-shadow: 0 20px 35px rgba(0, 80, 150, 0.25);
    transition: 0.4s;
    border: 3px solid white;
}

.hero-image img:hover {
    transform: scale(1.02);
}

section {
    padding: 70px 0;
}

/* SECTION TITLE : HITAM TEBAL MODERN */
.section-title {
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 48px;
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
    color: #000000;
    letter-spacing: -0.3px;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: #1E88E5;
    margin: 12px auto 0;
    border-radius: 4px;
    box-shadow: 0 0 6px #1E88E5;
}

/* kategori filter (biru terang) */
.kategori-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.kategori-item {
    background: #f0f7ff;
    border-radius: 50px;
    padding: 10px 28px;
    font-weight: 600;
    color: #023E8A;
    border: 1px solid #cfe3ff;
    transition: 0.2s;
    cursor: pointer;
    backdrop-filter: blur(4px);
}

.kategori-item.active,
.kategori-item:hover {
    background: #1E88E5;
    color: white;
    border-color: #1E88E5;
    box-shadow: 0 4px 10px rgba(30, 136, 229, 0.3);
}

/* PRODUK GRID : CARD HITAM ELEGAN DENGAN TEKS PUTIH & HARGA BIRU */
.produk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 20px;
}

.card-produk {
    background: #1E88E5;
    border-radius: 28px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #262a33;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
}

.card-produk:hover {
    transform: translateY(-8px) scale(1.01);
    border-color: #1E88E5;
    box-shadow: 0 0 24px rgba(30, 136, 229, 0.5);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: 0.3s;
}

.card-produk:hover .card-img {
    transform: scale(1.02);
}

.card-body {
    padding: 22px;
}

.card-body h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
}

.harga {
    color: #1E88E5;
    font-size: 1.6rem;
    font-weight: 800;
    margin: 12px 0;
}

.btn-wa {
    background: #25D366;
    width: 100%;
    border: none;
    padding: 12px;
    border-radius: 40px;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: 0.2s;
    cursor: pointer;
}

.btn-wa:hover {
    background: #20b859;
    transform: scale(0.98);
    box-shadow: 0 0 8px #25D366;
}

/* keunggulan card (putih kebiruan) */
.keunggulan-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
}

.keunggulan-card {
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 32px;
    text-align: center;
    width: 220px;
    transition: 0.2s;
    border: 1px solid #e2eeff;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.03);
}

.keunggulan-card i {
    font-size: 2.8rem;
    color: #1E88E5;
    margin-bottom: 18px;
}

.keunggulan-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #0b2b44;
}

.keunggulan-card p {
    color: #2c3e50;
    font-size: 0.9rem;
}

.keunggulan-card:hover {
    border-color: #1E88E5;
    transform: translateY(-5px);
    box-shadow: 0 14px 28px rgba(30, 136, 229, 0.15);
}

/* testimoni */
.testimoni-slide {
    display: flex;
    overflow-x: auto;
    gap: 30px;
    padding: 20px 4px;
    scroll-snap-type: x mandatory;
}

.testimoni-card {
    min-width: 300px;
    background: #f9fbfe;
    border-radius: 28px;
    padding: 24px;
    scroll-snap-align: start;
    border-left: 4px solid #1E88E5;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    color: #1f2a40;
}

.testimoni-card p {
    font-style: italic;
    margin-bottom: 16px;
    color: #1e2f3e;
}

.nama-testi {
    font-weight: 800;
    color: #1E88E5;
}

/* kontak */
.kontak-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    background: #ffffff;
    border-radius: 40px;
    padding: 40px;
    border: 1px solid #d9eaff;
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.04);
}

.info-kontak {
    flex: 1;
}

.info-kontak i {
    margin-right: 12px;
    color: #1E88E5;
}

.info-kontak p {
    margin: 18px 0;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    color: #1f2a40;
}

.map-wrapper {
    flex: 1;
    border-radius: 28px;
    overflow: hidden;
    min-height: 280px;
}

iframe {
    width: 100%;
    height: 100%;
    min-height: 280px;
    border-radius: 24px;
    border: 0;
}

/* footer */
.footer {
    background: #000000;
    padding: 40px 0 20px;
    border-top: 1px solid #1E88E5;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.social-icons a {
    color: white;
    font-size: 1.6rem;
    margin-right: 18px;
    transition: 0.2s;
}

.social-icons a:hover {
    color: #1E88E5;
    text-shadow: 0 0 6px #1E88E5;
}

.copyright {
    text-align: center;
    margin-top: 40px;
    font-size: 0.8rem;
    color: #aaa;
}

@media (max-width: 800px) {
    .nav-container {
        flex-direction: column;
        gap: 16px;
    }

    .nav-links {
        justify-content: center;
        gap: 20px;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .kontak-wrapper {
        padding: 24px;
    }
}

@media (max-width: 550px) {
    .produk-grid {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        flex-direction: column;
    }
}

.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.appear {
    opacity: 1;
    transform: translateY(0);
}