/* ========== GOOGLE FONTS ========== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Plus+Jakarta+Sans:wght@700;800&display=swap');

/* ========== CSS VARIABLES & THEME TOKENS ========== */
:root {
    /* Base Colors - Merah Putih Theme */
    --primary: #DC2626;      /* Red 600 */
    --primary-dark: #991B1B; /* Red 800 */
    --primary-light: #FCA5A5;/* Red 300 */
    --secondary: #F59E0B;    /* Amber 500 */
    --accent: #E11D48;       /* Rose 600 */
    
    /* Backgrounds & Surfaces (Light Mode) */
    --bg-primary: #FFFFFF;
    --bg-secondary: #FEF2F2; /* Red 50 */
    --bg-card: #FFFFFF;
    --surface: #FFF1F2;      /* Rose 50 */
    
    /* Text Colors (Light Mode) */
    --text-primary: #1E293B; /* Slate 800 */
    --text-secondary: #64748B;/* Slate 500 */
    --text-inverse: #FFFFFF;
    
    /* Borders & Shadows */
    --border-color: #E2E8F0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Layout & Utilities */
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 80px;
}

/* Dark Mode Tokens */
[data-theme="dark"] {
    --primary: #EF4444;      /* Lighter red for dark mode */
    --primary-dark: #DC2626;
    --bg-primary: #0F172A;   /* Slate 900 */
    --bg-secondary: #1E293B; /* Slate 800 */
    --bg-card: #1E293B;
    --surface: #334155;      /* Slate 700 */
    --text-primary: #F1F5F9; /* Slate 100 */
    --text-secondary: #94A3B8;/* Slate 400 */
    --border-color: #334155;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-primary);
    line-height: 1.2;
    font-weight: 700;
}

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

a:hover {
    color: var(--primary-dark);
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Plus Jakarta Sans', sans-serif;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-inverse);
    box-shadow: 0 4px 14px 0 rgba(220, 38, 38, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--text-inverse);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--text-inverse);
}

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

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

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.9);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    height: 70px;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-logo {
    height: 40px;
    width: auto;
}

.navbar-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ========== HERO SECTION ========== */
.hero {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 6rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--surface) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-image: url('../img/hero-bg.png');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    mask-image: linear-gradient(to left, rgba(0,0,0,1), rgba(0,0,0,0));
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1), rgba(0,0,0,0));
}

[data-theme="dark"] .hero::before {
    opacity: 0.3;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 10;
}

.hero-tagline {
    display: inline-block;
    padding: 0.25rem 1rem;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

[data-theme="dark"] .hero-tagline {
    background-color: rgba(220, 38, 38, 0.2);
    color: var(--primary-light);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-title span {
    color: var(--primary);
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

/* ========== SECTIONS ========== */
.section-padding {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-inline: auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* ========== CARDS ========== */
.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background-color: var(--surface);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.card:hover .card-icon {
    background-color: var(--primary);
    color: var(--text-inverse);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.card-desc {
    color: var(--text-secondary);
    flex-grow: 1;
}

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

.product-card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-img-wrapper {
    overflow: hidden;
    position: relative;
}

.product-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-content {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* ========== FOOTER ========== */
.footer {
    background-color: var(--bg-secondary);
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-desc {
    color: var(--text-secondary);
    margin: 1.5rem 0;
}

.footer-title {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.footer-contact-item i {
    color: var(--primary);
    margin-top: 5px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.social-link:hover {
    background-color: var(--primary);
    color: var(--text-inverse);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ========== FLOATING WHATSAPP ========== */
.wa-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.wa-float:hover {
    transform: scale(1.1);
    color: #FFF;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
}

/* ========== ANIMATIONS ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    .nav-links, .nav-actions .btn {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-btns {
        flex-direction: column;
    }
    
    .wa-float {
        bottom: 20px;
        right: 20px;
    }
}