/* Custom CSS Properties */
:root {
    --primary-blue: #007bff; /* Warna biru utama */
    --secondary-blue: #0056b3; /* Biru lebih gelap untuk hover/active */
    --white: #ffffff;
    --light-grey: #f8f9fa; /* Abu-abu terang */
    --dark-grey: #343a40; /* Abu-abu gelap (untuk teks/background footer) */
    --text-color: #495057; /* Warna teks umum */
    --border-color: #dee2e6; /* Warna border */
    --success-green: #28a745; /* Warna hijau untuk tombol reseller */
    --whatsapp-green: #25D366; /* Warna hijau WhatsApp */
    --whatsapp-dark-green: #1DA851; /* Warna hijau WhatsApp lebih gelap */
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden; /* Mencegah scroll horizontal */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-blue);
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark-grey);
    margin-bottom: 20px;
}

h1 { font-size: 3.5em; font-weight: 700; line-height: 1.2; }
h2 { font-size: 2.5em; font-weight: 600; margin-bottom: 30px; }
h3 { font-size: 1.8em; font-weight: 600; }
h4 { font-size: 1.4em; font-weight: 600; }

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    padding-bottom: 10px;
}
.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: 5px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 45px; /* Ditingkatkan menjadi 45px untuk ruang yang lebih lega */
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    border: 2px solid var(--primary-blue);
}

.btn-primary:hover {
    background-color: var(--secondary-blue);
    border-color: var(--secondary-blue);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-reseller {
    background-color: var(--success-green);
    color: var(--white);
    border: 2px solid var(--success-green);
    margin-top: 20px;
}

.btn-reseller:hover {
    background-color: #218838; /* Darker green */
    border-color: #218838;
}

.btn-submit-whatsapp {
    background-color: var(--whatsapp-green);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn-submit-whatsapp:hover {
    background-color: var(--whatsapp-dark-green);
    transform: translateY(-2px);
}

.btn-submit-whatsapp i {
    margin-right: 10px;
}

/* ======================================= */
/* HEADER & NAVIGATION                     */
/* ======================================= */
.header {
    background-color: var(--white);
    padding: 15px 0; /* Padding vertikal header (desktop) */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: padding 0.3s ease; /* Hanya transisi padding */
}

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

.header .logo img {
    height: 40px; /* Ukuran logo default (desktop) */
    width: auto; /* Mempertahankan rasio aspek */
    transition: transform 0.3s ease; /* Efek membesar saat hover */
    vertical-align: middle;
}

.header .logo img:hover {
    transform: scale(1.05); /* Efek membesar saat hover */
}

/* Desktop Navigation */
.nav {
    display: flex; /* Flexbox untuk navigasi utama */
    align-items: center; /* Sejajarkan item di tengah vertikal */
}

.nav ul.nav-links {
    list-style: none;
    display: flex; /* Item navigasi horizontal */
    margin: 0;
    padding: 0;
}

.nav ul.nav-links li {
    margin-left: 30px;
    position: relative;
}

.nav ul.nav-links li a {
    color: var(--dark-grey);
    font-weight: 600;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
    white-space: nowrap; /* Mencegah teks melompat baris */
}

.nav ul.nav-links li a::after {
    content: '';
    position: absolute;
    left: 50%; /* Mengubah posisi agar di tengah */
    bottom: -5px;
    width: 0;
    height: 2px;
    background-color: var(--primary-blue);
    transition: width 0.3s ease, left 0.3s ease, transform 0.3s ease;
    transform: translateX(-50%); /* Memusatkan garis */
}

.nav ul.nav-links li a:hover::after {
    width: 100%;
    left: 0; /* Mengisi dari kiri ke kanan */
    transform: translateX(0); /* Menghilangkan transform saat hover */
}


/* Dropdown Desktop */
.nav ul.nav-links li.dropdown .dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--white);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    min-width: 200px;
    z-index: 1;
    padding: 10px 0;
    border-radius: 5px;
    top: 100%;
    left: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.nav ul.nav-links li.dropdown:hover .dropdown-content {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav ul.nav-links li.dropdown i {
    font-size: 0.8em;
    margin-left: 5px;
}

.header-btn {
    margin-left: 30px; /* Jarak antara navigasi dan tombol CTA */
}

/* Burger Menu (Hidden by default on Desktop) */
.burger-menu {
    display: none; /* Sembunyikan di desktop */
    cursor: pointer;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    z-index: 1100; /* Di atas navigasi mobile */
}

.burger-menu div {
    width: 100%;
    height: 3px;
    background-color: var(--dark-grey); /* Warna default (hitam) */
    border-radius: 5px;
    transition: all 0.3s ease;
}

/* ======================================= */
/* Hero Section                            */
/* ======================================= */
.hero-section {
    position: relative;
    height: 100vh; /* Default 100vh untuk desktop */
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    background-image: url('images/hero_background.jpg'); /* Ganti dengan path gambar hero Anda */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding-top: 90px; /* Memberi sedikit ruang lebih */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.3));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-content h1 {
    color: var(--white);
    margin-bottom: 15px;
}

.hero-content h2 {
    color: var(--light-grey);
    font-size: 1.8em;
    margin-bottom: 40px;
}

.free-sample {
    margin-top: 20px;
    font-weight: 600;
    font-size: 1.1em;
    color: var(--light-grey);
}

/* ======================================= */
/* Animations (Basic)                      */
/* ======================================= */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.animate-fade-in {
    transition: opacity 1s ease-out;
}

.animate-slide-up {
    transition: transform 1s ease-out, opacity 1s ease-out;
}

.delay-1 { /* Handled by JS */ }
.delay-2 { /* Handled by JS */ }
.delay-3 { /* Handled by JS */ }
.delay-4 { /* Handled by JS */ }
.delay-5 { /* Handled by JS */ }


/* ======================================= */
/* Products Section                        */
/* ======================================= */
.products-section {
    padding: 100px 0;
    background-color: var(--light-grey);
}

.product-card {
    display: flex; /* Jadikan product-card flex container */
    align-items: center; /* Sejajarkan item di tengah vertikal */
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 80px;
    overflow: hidden;
    transition: transform 0.3s ease;
    padding: 30px; /* Padding card secara keseluruhan */
}

.product-card:hover {
    transform: translateY(-5px);
}

/* Desktop: product-card (product-info kiri, product-image kanan) */
/* product-card default adalah flex-direction: row (product-info kiri, product-image kanan) */
.product-card.reverse {
    flex-direction: row-reverse; /* Mengubah urutan gambar-teks di desktop */
}

/* Styling untuk elemen-elemen di dalam product-card (Desktop) */
.product-info { /* Konten info (h3, p, features-list, btn) */
    flex: 1; /* Mengambil 1 bagian di desktop */
    padding: 20px; /* Padding untuk konten info */
}
.product-card .product-image {
    flex: 1; /* Gambar mengambil 1 bagian di desktop */
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Jarak elemen di dalam product-info */
.product-info h3 {
    margin-bottom: 15px;
}

.product-info p {
    margin-bottom: 20px;
}

.product-info .features-list {
    margin-top: 20px;
    margin-bottom: 30px;
}

.product-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.shade-levels, .color-options {
    display: none; /* Disembunyikan karena tidak lagi relevan dengan produk baru */
    gap: 15px;
    margin-top: 15px;
    margin-bottom: 25px;
}

.shade-box {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 0.9em;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.shade-box:hover {
    background-color: var(--secondary-blue);
}

.color-item {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--border-color);
    cursor: pointer;
    transition: border-color 0.3s ease, transform 0.3s ease;
    position: relative;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.color-item:hover {
    border-color: var(--primary-blue);
    transform: scale(1.08);
}


.features-list {
    margin-top: 20px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.feature-item i {
    color: var(--primary-blue);
    margin-right: 10px;
    font-size: 1.3em;
}

/* ======================================= */
/* Why Choose Section                      */
/* ======================================= */
.why-choose-section {
    padding: 100px 0;
    background-color: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Disesuaikan untuk 4 kolom di desktop */
    gap: 40px;
    margin-top: 40px;
}

.advantage-item {
    text-align: center;
    padding: 30px;
    background-color: var(--light-grey);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.advantage-item .icon-large {
    font-size: 3em;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

/* ======================================= */
/* Usage Applications Section              */
/* ======================================= */
.usage-applications-section {
    padding: 100px 0;
    background-color: var(--light-grey);
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Disesuaikan untuk 3 kolom di desktop (karena ada 3 item setelah dihapus 1) */
    gap: 40px;
    margin-top: 40px;
}

.application-item {
    text-align: center;
    padding: 30px;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.application-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.application-item .icon-large-alt {
    font-size: 3.5em;
    color: var(--primary-blue);
    margin-bottom: 25px;
}

.application-item h3 {
    color: var(--dark-grey);
    margin-bottom: 15px;
}


/* ======================================= */
/* Reseller Section                        */
/* ======================================= */
.reseller-section {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    margin-bottom: 100px;
}

.reseller-section h2 {
    color: var(--white);
    font-size: 2.8em;
    margin-bottom: 20px;
}

.reseller-section p {
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.free-sample-reseller {
    margin-top: 20px;
    font-weight: 600;
    font-size: 1.1em;
}

/* ======================================= */
/* Contact Form Section                    */
/* ======================================= */
.contact-form-section {
    padding: 100px 0;
    background-color: var(--light-grey);
}

.contact-form-section .section-title {
    color: var(--dark-grey);
}

.consultation-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-grey);
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ======================================= */
/* WhatsApp Float Button                   */
/* ======================================= */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: var(--whatsapp-green);
    color: var(--white);
    border-radius: 50px;
    text-align: center;
    font-size: 2em;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
    opacity: 0;
    transform: scale(0.8);
}

.whatsapp-float.show {
    opacity: 1;
    transform: scale(1);
}

.whatsapp-float:hover {
    background-color: var(--whatsapp-dark-green);
    transform: scale(1.05);
}

/* ======================================= */
/* Footer                                  */
/* ======================================= */
.footer {
    background-color: var(--dark-grey);
    color: var(--white);
    padding: 60px 0 20px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.footer-logo img {
    height: 50px; /* Logo di footer */
}

.footer-content h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.footer-contact p,
.footer-social a {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    color: var(--light-grey);
    transition: color 0.3s ease;
}

.footer-contact p i,
.footer-social a i {
    margin-right: 10px;
    color: var(--white);
}

.footer-contact p a:hover,
.footer-social a:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    position: relative;
}

/* Gaya untuk SEO Keywords (samar) */
.seo-keywords {
    margin-top: 15px; /* Jarak dari copyright */
}

.seo-keywords p {
    font-size: 0.75em; /* Ukuran font lebih kecil */
    color: rgba(255, 255, 255, 0.3); /* Warna samar (putih transparan di atas dark-grey) */
    line-height: 1.4; /* Line height agar tidak terlalu padat */
    margin-bottom: 0; /* Hapus margin bawah default p */
    word-spacing: 2px; /* Memberi sedikit jarak antar kata */
    letter-spacing: 0.5px; /* Memberi sedikit jarak antar huruf */
}

/* ======================================= */
/* RESPONSIVITAS & MOBILE OPTIMASI         */
/* ======================================= */

/* Media Query untuk Desktop/Large Screens (min-width: 993px) */
@media (min-width: 993px) {
    .nav {
        display: flex; /* Main navigation visible on desktop */
    }
    .burger-menu {
        display: none; /* Burger menu hidden on desktop */
    }

    /* Desktop Product Card Specifics (product-card adalah flex container) */
    .product-info { /* Konten info (h3, p, features-list, btn) */
        flex: 1; /* Mengambil 1 bagian di desktop */
        padding: 20px; /* Padding untuk konten info */
    }
    .product-card .product-image {
        flex: 1; /* Gambar mengambil 1 bagian di desktop */
        padding: 20px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    /* Untuk .product-card.reverse (gambar kiri, konten teks kanan) */
    .product-card.reverse {
        flex-direction: row-reverse; /* Mengubah urutan gambar-teks di desktop */
    }

    /* Jarak elemen di dalam product-info untuk desktop */
    .product-info h3 {
        margin-bottom: 15px;
    }
    .product-info p {
        margin-bottom: 20px;
    }
    .product-info .features-list {
        margin-top: 20px;
        margin-bottom: 30px;
    }

    /* Keunggulan: 4 kolom sejajar di desktop */
    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Disesuaikan untuk 4 kolom di desktop */
        gap: 40px;
    }

    /* Penggunaan: 3 kolom sejajar di desktop */
    .application-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Disesuaikan untuk 3 kolom di desktop */
        gap: 40px;
    }

}


/* Media Query for Tablet and Mobile (max-width: 992px) */
@media (max-width: 992px) {
    /* Header mobile */
    .header {
        padding: 10px 0; /* Padding vertikal header di mobile */
    }
    .header .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 0 15px; /* Padding horizontal container mobile */
    }

    /* LOGO MOBILE: Ukuran yang wajar */
    .header .logo img {
        height: 60px; /* Ukuran tinggi yang lebih kecil dan wajar di mobile */
        width: auto; /* Penting untuk menjaga rasio aspek */
        max-width: 100%; /* Pastikan tidak melebihi lebar elemen parent-nya */
        flex-shrink: 0;   /* Mencegah logo mengecil paksa oleh Flexbox */
        flex-basis: auto; /* Mengatur ukuran dasar item flex */
        min-width: 50px;  /* Memberikan lebar minimum agar tidak terlalu kecil */
    }

    /* Burger Menu: Warna Putih Saat Navigasi Aktif */
    .burger-menu.toggle .line1,
    .burger-menu.toggle .line2,
    .burger-menu.toggle .line3 {
        background-color: var(--white); /* Warna putih saat menu aktif */
    }

    /* Sembunyikan navigasi desktop dan tombol CTA */
    .nav {
        display: flex; /* Diatur ke flex untuk transisi mobile */
        position: fixed;
        top: 0;
        right: 0;
        width: 70%; /* Lebar menu samping */
        height: 100%;
        background-color: var(--dark-grey); /* Latar belakang menu burger */
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 80px; /* Ruang dari atas agar tidak menutupi header */
        transform: translateX(100%); /* Sembunyikan di luar layar */
        transition: transform 0.3s ease-in-out;
        z-index: 999;
        overflow-y: auto; /* Memungkinkan scrolling jika menu panjang */
    }

    .nav.nav-active {
        transform: translateX(0%); /* Tampilkan menu */
    }

    .nav ul.nav-links {
        flex-direction: column;
        width: 100%;
        text-align: center;
        margin-left: 0;
    }

    .nav ul.nav-links li {
        margin: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav ul.nav-links li:last-child {
        border-bottom: none;
    }

    .nav ul.nav-links li a {
        color: var(--white);
        padding: 15px 0;
        display: block;
        font-size: 1.2em;
        line-height: 1.2; /* Mengurangi line-height untuk menghemat ruang vertikal */
    }

    .nav ul.nav-links li a:hover {
        background-color: var(--secondary-blue);
    }

    .nav ul.nav-links li a::after {
        display: none; /* Hapus underline hover di mobile */
    }

    /* Mobile Dropdown Styling */
    .nav ul.nav-links li.dropdown .dropdown-content {
        position: static; /* Dropdown menjadi inline dalam alur dokumen */
        box-shadow: none;
        width: 100%;
        text-align: center;
        background-color: rgba(0, 0, 0, 0.2);
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        padding: 0;
        max-height: 0; /* Awalnya tersembunyi dengan max-height */
        overflow: hidden;
        transition: max-height 0.3s ease-in-out;
    }

    .nav ul.nav-links li.dropdown.active .dropdown-content {
        max-height: 200px; /* Tinggi maksimum saat aktif (sesuaikan jika konten lebih banyak) */
    }

    .nav ul.nav-links li.dropdown .dropdown-content a {
        padding: 10px 0;
        font-size: 1em;
        color: var(--light-grey);
    }

    .header-btn {
        display: block; /* Tampilkan tombol CTA di dalam menu mobile */
        margin: 20px auto;
        width: fit-content;
    }

    /* Tampilkan Burger Menu */
    .burger-menu {
        display: flex;
    }

    /* Burger Menu Animation (X icon) */
    .burger-menu.toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .burger-menu.toggle .line2 {
        opacity: 0;
    }
    .burger-menu.toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    /* Section Spacing adjustments for mobile */
    .hero-section {
        padding-top: 100px; /* Memberi sedikit ruang lebih */
        height: 70vh;
    }
    .hero-content h1 {
        font-size: 2.2em;
    }
    .hero-content h2 {
        font-size: 1.2em;
    }

    .products-section, .why-choose-section, .usage-applications-section, .contact-form-section, .reseller-section {
        padding: 60px 0;
    }

    /* Product Card Mobile Display */
    .product-card {
        flex-direction: column; /* Tumpuk item secara vertikal di mobile */
        text-align: center; /* Teks default rata tengah */
        margin-bottom: 40px;
        padding: 15px; /* Kurangi padding card agar konten tidak terlalu jauh dari tepi */
    }

    /* Styling untuk elemen-elemen di dalam product-card (Mobile) */
    .product-info { /* Konten info (h3, p, features-list, btn) */
        padding: 0; /* Hapus padding default product-info di mobile */
        width: 100%; /* Pastikan mengambil lebar penuh */
        text-align: left; /* Rata kiri untuk seluruh blok info */
    }
    .product-card .product-image {
        margin-top: 20px;
        margin-bottom: 20px;
        padding: 0; /* Hapus padding default gambar di mobile */
        width: 100%; /* Pastikan mengambil lebar penuh */
    }

    /* Aturan spesifik untuk teks di dalam product-info (mobile) */
    .product-info h3 {
        margin-bottom: 10px;
        text-align: left; /* Pastikan h3 rata kiri */
    }
    .product-info p {
        margin-bottom: 15px;
        word-wrap: break-word; /* Pastikan kata panjang diputus */
        overflow-wrap: break-word; /* Versi modern dari word-wrap */
        text-align: left; /* Pastikan paragraf rata kiri */
    }
    .product-info .features-list {
        margin-top: 20px;
        margin-bottom: 30px;
        text-align: left; /* Pastikan list rata kiri */
    }
    .product-info .feature-item {
        justify-content: flex-start; /* Pastikan item fitur rata kiri */
    }
    .product-info .btn-primary { /* Tombol yang ada di dalam product-info */
        margin: 0 auto; /* Pusatkan tombol */
        display: block; /* Pastikan dia block agar margin auto bekerja */
        width: fit-content; /* Sesuaikan lebar dengan konten */
    }
}

/* Media Query for Small Mobile Screens (max-width: 576px) */
@media (max-width: 576px) {
    h1 { font-size: 2em; }
    h2 { font-size: 1.5em; }
    h3 { font-size: 1.5em; }
    /* HERO SECTION UNTUK LAYAR SANGAT KECIL */
    .hero-section {
        padding-top: 130px; /* Disesuaikan agar lebih besar dari tinggi header mobile */
        min-height: 450px; /* Tinggi minimum yang lebih fleksibel */
        height: auto; /* Biarkan tinggi menyesuaikan konten */
    }
    .hero-content h1 {
        font-size: 1.8em; /* Ukuran font lebih kecil untuk judul utama */
    }
    .hero-content h2 {
        font-size: 1em; /* Ukuran font lebih kecil untuk sub-judul */
        margin-bottom: 20px; /* Kurangi margin bawah */
    }
    .btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }
    .whatsapp-float {
        width: 45px;
        height: 45px;
        font-size: 1.6em;
        bottom: 20px;
        right: 20px;
    }
    .consultation-form {
        padding: 20px;
    }
    /* Logo di mobile kecil, lebih fokus ke width */
    .header .logo img {
        height: 50px; /* Ukuran lebih kecil untuk layar sangat sempit */
        width: auto; /* Pastikan width auto */
        max-width: 100%; /* Pastikan tidak melebihi lebar elemen parent-nya */
        flex-shrink: 0;
        flex-basis: auto;
        min-width: 40px; /* Min-width lebih kecil untuk layar sangat sempit */
    }
    .nav {
        width: 85%;
    }
    .nav ul.nav-links li a {
        font-size: 1.1em;
        line-height: 1.1; /* Sedikit lebih kecil line-height di layar sangat kecil */
    }
}