:root {
    --bg-dark: #0b0f19;
    --bg-navbar: rgba(11, 15, 25, 0.7);
    --bg-footer: #060911;
    --bg-card: rgba(17, 24, 39, 0.6);
    --bg-card-hover: rgba(245, 158, 11, 0.05);
    --border-glass: rgba(255, 255, 255, 0.06);
    --border-glass-hover: rgba(245, 158, 11, 0.3);
    --bg-modal: #0f172a;
    --bg-drawer: #0f172a;
    
    --primary: #f59e0b;
    --primary-hover: #d97706;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --white: #ffffff;
    --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.5);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-navbar: rgba(255, 255, 255, 0.8);
    --bg-footer: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(217, 119, 6, 0.05);
    --border-glass: rgba(15, 23, 42, 0.08);
    --border-glass-hover: rgba(217, 119, 6, 0.4);
    --bg-modal: #ffffff;
    --bg-drawer: #ffffff;
    
    --primary: #d97706; /* Emas agak gelap untuk kontras di layar terang */
    --primary-hover: #b45309;
    --text-main: #0f172a;
    --text-muted: #475569;
    --white: #0f172a; /* Balik teks putih menjadi gelap */
    --shadow-premium: 0 10px 30px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.02);
}

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

body {
    font-family: 'Outfit', 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Glassmorphism utility */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition);
}

.glass-panel:hover {
    border-color: var(--border-glass-hover);
    box-shadow: 0 20px 45px rgba(245, 158, 11, 0.08);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #d97706 100%);
    color: #0b0f19;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(245, 158, 11, 0.5);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: rgba(245, 158, 11, 0.1);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
    border-radius: 8px;
}

/* Theme Switcher Button */
.theme-toggle {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-glass);
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.15rem;
    transition: var(--transition);
    user-select: none;
    margin-left: 1.5rem;
}

.theme-toggle:hover {
    background: var(--primary);
    color: #0b0f19;
    border-color: var(--primary);
    transform: rotate(360deg) scale(1.08);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--bg-navbar);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    z-index: 1000;
    transition: var(--transition);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.navbar-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--white);
    font-weight: 800;
    font-size: 1.3rem;
    gap: 0.8rem;
}

.logo-img {
    height: 42px;
    width: 42px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

/* Hamburger menu for mobile */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    transition: var(--transition);
}

/* Main Content Padding */
.main-content {
    padding-top: 80px;
}

/* Footer */
.footer {
    background: var(--bg-footer);
    border-top: 1px solid var(--border-glass);
    padding: 5rem 2rem 2rem;
    margin-top: 5rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1.5rem;
    font-size: 0.95rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--primary);
    color: #0b0f19;
    transform: translateY(-3px);
}

.footer-links h3, .footer-contact h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

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

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-contact p {
    color: var(--text-muted);
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.footer-contact i {
    color: var(--primary);
    margin-right: 0.5rem;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    margin-top: 4rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Mobile Nav Styles */
@media screen and (max-width: 960px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(11, 15, 25, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}