/* =========================================
   CSS Reset & Variables
   ========================================= */
:root {
    /* Color Palette */
    --clr-navy: #0f172a;
    --clr-navy-light: #1e293b;
    --clr-white: #ffffff;
    --clr-gray-light: #f8fafc;
    --clr-gray-medium: #cbd5e1;
    --clr-gray-dark: #475569;
    --clr-orange: #f97316;
    --clr-orange-hover: #ea580c;
    
    /* Dark Mode specific */
    --bg-main: var(--clr-white);
    --bg-alt: var(--clr-gray-light);
    --text-main: var(--clr-navy);
    --text-alt: var(--clr-gray-dark);
    --card-bg: var(--clr-white);
    --border-clr: #e2e8f0;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Effects */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-hover: 0 20px 25px -5px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.2);
}

/* Dark Mode Variables */
html.dark {
    --bg-main: #0b1120;
    --bg-alt: #111827;
    --text-main: #f1f5f9;
    --text-alt: #94a3b8;
    --card-bg: #1e293b;
    --border-clr: #334155;
    --glass-bg: rgba(15, 23, 42, 0.85);
    --glass-border: rgba(255, 255, 255, 0.05);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

.bg-light {
    background-color: var(--bg-alt);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title .line {
    width: 80px;
    height: 4px;
    background-color: var(--clr-orange);
    margin: 0 auto 1.5rem;
    border-radius: 2px;
}

.section-title p {
    color: var(--text-alt);
    max-width: 600px;
    margin: 0 auto;
}

/* =========================================
   Buttons
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 500;
    cursor: pointer;
    border: none;
    gap: 0.5rem;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--clr-orange);
    color: var(--clr-white);
}

.btn-primary:hover {
    background-color: var(--clr-orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--clr-white);
    color: var(--clr-white);
}

.btn-outline:hover {
    background-color: var(--clr-white);
    color: var(--clr-navy);
}

.btn-whatsapp-lg {
    background-color: #25D366;
    color: white;
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
}

.btn-whatsapp-lg:hover {
    background-color: #128C7E;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

/* =========================================
   Navbar
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 1.5rem 0;
    background: transparent;
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--clr-orange);
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 800;
    font-family: 'Poppins', sans-serif;
    color: var(--text-main);
    letter-spacing: 0.5px;
    white-space: nowrap;
    text-transform: uppercase;
}

.navbar.scrolled .logo-img {
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

html.light .navbar.scrolled .logo-img {
    filter: brightness(0) drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.navbar.scrolled .logo {
    color: var(--text-main);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    position: relative;
}

.navbar.scrolled .nav-links a {
    color: var(--text-main);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-orange);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--clr-white);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.navbar.scrolled .theme-toggle {
    color: var(--text-main);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    color: var(--clr-white);
    cursor: pointer;
}

.navbar.scrolled .hamburger {
    color: var(--text-main);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    background-image: url('https://images.unsplash.com/photo-1581094288338-2314dddb7ece?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--clr-white);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* =========================================
   Tentang Kami
   ========================================= */
.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.about-cards .card {
    background-color: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-clr);
}

.about-cards .card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--clr-orange);
}

.about-cards .card i {
    font-size: 3rem;
    color: var(--clr-orange);
    margin-bottom: 1.5rem;
}

.about-cards .card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.about-cards .card p {
    color: var(--text-alt);
    font-size: 0.95rem;
}

/* =========================================
   Kategori Produk
   ========================================= */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.category-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-clr);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 3rem 2rem;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--clr-orange);
}

.category-card i {
    font-size: 3.5rem;
    color: var(--clr-navy-light);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

html.dark .category-card i {
    color: var(--clr-white);
}

.category-card:hover i {
    color: var(--clr-orange);
}

.category-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.category-card p {
    color: var(--text-alt);
    font-size: 0.9rem;
}

/* =========================================
   Produk Unggulan
   ========================================= */
.product-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.search-bar {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.search-bar input {
    width: 100%;
    padding: 1rem 1.5rem;
    padding-right: 3rem;
    border-radius: 50px;
    border: 1px solid var(--border-clr);
    background-color: var(--card-bg);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.search-bar input:focus {
    border-color: var(--clr-orange);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.search-bar i {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-alt);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    border: 1px solid var(--border-clr);
    background-color: var(--card-bg);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--clr-navy);
    color: var(--clr-white);
    border-color: var(--clr-navy);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-clr);
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.product-img {
    width: 100%;
    height: 200px;
    background-color: var(--border-clr);
    position: relative;
    overflow: hidden;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.product-card:hover .product-img img {
    transform: scale(1.1);
}

.product-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--clr-orange);
    color: var(--clr-white);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.product-info .btn {
    width: 100%;
    font-size: 0.9rem;
    padding: 0.75rem;
    background-color: #25D366;
    color: white;
}

.product-info .btn:hover {
    background-color: #128C7E;
}

/* =========================================
   Keunggulan
   ========================================= */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-clr);
}

.feature-item i {
    color: var(--clr-orange);
    font-size: 1.5rem;
}

.feature-item span {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
}

/* =========================================
   Statistik
   ========================================= */
.statistics {
    background: linear-gradient(to right, var(--clr-navy), var(--clr-navy-light));
    padding: 4rem 0;
    color: var(--clr-white);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    display: inline-block;
    color: var(--clr-white);
}

.stat-item span {
    font-size: 2rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--clr-orange);
}

.stat-item p {
    font-size: 1rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* =========================================
   Testimoni
   ========================================= */
.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testi-slide {
    display: none;
    text-align: center;
    padding: 2rem;
    animation: fadeSlide 0.5s ease;
}

@keyframes fadeSlide {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.testi-slide.active {
    display: block;
}

.testi-content {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: 2rem;
    color: var(--text-main);
    position: relative;
}

.testi-content::before {
    content: '\201C';
    font-size: 4rem;
    color: var(--clr-orange);
    opacity: 0.3;
    position: absolute;
    top: -2rem;
    left: -2rem;
    font-family: serif;
}

.testi-author h4 {
    color: var(--clr-orange);
    margin-bottom: 0.25rem;
}

.testi-author p {
    font-size: 0.9rem;
    color: var(--text-alt);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-clr);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--clr-orange);
    width: 24px;
    border-radius: 10px;
}

/* =========================================
   Brand Partner
   ========================================= */
.brand-slider-container {
    overflow: hidden;
    position: relative;
    width: 100%;
}

.brand-track {
    display: flex;
    align-items: center;
    gap: 4rem;
    width: max-content;
    animation: scrollBrands 30s linear infinite;
}

@keyframes scrollBrands {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 2rem)); }
}

.brand-logo {
    width: 150px;
    height: 80px;
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-alt);
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-clr);
    opacity: 0.6;
    transition: var(--transition);
}

.brand-logo:hover {
    opacity: 1;
    transform: scale(1.05);
    border-color: var(--clr-orange);
}

/* =========================================
   CTA Section
   ========================================= */
.cta {
    background: linear-gradient(135deg, var(--clr-navy) 0%, #1e3a8a 100%);
    text-align: center;
    color: var(--clr-white);
}

.cta h2 {
    font-size: 2.5rem;
    color: var(--clr-white);
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* =========================================
   Kontak Section
   ========================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-clr);
}

.contact-info {
    padding: 3rem;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-alt);
    margin-bottom: 2rem;
}

.contact-info ul {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-info i {
    font-size: 1.5rem;
    color: var(--clr-orange);
    margin-top: 0.25rem;
}

.contact-map {
    min-height: 400px;
}

/* =========================================
   Footer
   ========================================= */
.footer {
    background-color: #020617;
    color: #94a3b8;
    padding-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
    display: inline-flex;
}

.footer-brand p {
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.social-links a:hover {
    background-color: var(--clr-orange);
    transform: translateY(-3px);
}

.footer-links h3 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a:hover {
    color: var(--clr-orange);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* =========================================
   Back to Top
   ========================================= */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--clr-orange);
    color: white;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 99;
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    background-color: var(--clr-orange-hover);
    transform: translateY(-5px);
}

/* =========================================
   Animations (Scroll Reveal)
   ========================================= */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* =========================================
   Media Queries (Responsive)
   ========================================= */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.8rem; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hamburger { display: block; }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background-color: var(--bg-main);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.4s ease-in-out;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li { margin: 1rem 0; }
    
    .nav-links a { color: var(--text-main); font-size: 1.2rem; }
    
    .hero h1 { font-size: 2.2rem; }
    .hero-buttons { flex-direction: column; }
    .btn { width: 100%; }
    
    .footer-content { grid-template-columns: 1fr; gap: 2rem; }
    
    .section-padding { padding: 4rem 0; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.8rem; }
    .section-title h2 { font-size: 2rem; }
    .product-grid { grid-template-columns: 1fr; }
}

/* =========================================
   Floating WhatsApp
   ========================================= */
.floating-wa {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #25D366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: var(--shadow-lg);
    z-index: 99;
    transition: var(--transition);
    animation: bounceWA 2s infinite;
}

.floating-wa:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

@keyframes bounceWA {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}