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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    /* Hapus padding-top dan background - biarkan setiap halaman atur sendiri */
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 25px rgba(40, 167, 69, 0.1);
    z-index: 1000;
    border-bottom: 1px solid rgba(40, 167, 69, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    width: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.8rem;
    font-weight: bold;
    color: #28a745;
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-logo:hover {
    color: #20c997;
    transform: scale(1.05);
}

.nav-logo i {
    background: linear-gradient(135deg, #28a745, #20c997);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heartbeat 2s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.1); }
    50% { transform: scale(1); }
    75% { transform: scale(1.05); }
}

.nav-menu {
    display: flex;
    gap: 2rem;
    margin-left: auto; /* Push menu ke kanan */
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    text-decoration: none;
    color: #666;
    transition: all 0.3s ease;
    padding: 0.75rem 1.25rem;
    border-radius: 15px;
    position: relative;
    font-weight: 500;
}

.nav-link:hover {
    color: #28a745;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(32, 201, 151, 0.1));
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.2);
}

.nav-link.active {
    color: #28a745;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.15), rgba(32, 201, 151, 0.15));
    box-shadow: 0 3px 10px rgba(40, 167, 69, 0.2);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #28a745, #20c997);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.4);
}

.nav-link i {
    font-size: 1.3rem;
    margin-bottom: 2px;
}

.nav-link span {
    font-size: 0.85rem;
    font-weight: 600;
}

/* User Display - Static display untuk user yang login */
.user-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 1.25rem;
    border-radius: 15px;
    position: relative;
    font-weight: 500;
    color: #28a745;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(32, 201, 151, 0.1));
    border: 1px solid rgba(40, 167, 69, 0.2);
    cursor: default; /* Not clickable */
}

.user-display i {
    font-size: 1.3rem;
    margin-bottom: 2px;
}

.user-display span {
    font-size: 0.85rem;
    font-weight: 600;
}

/* Logout Link - Special styling */
.logout-link {
    color: #dc3545 !important;
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.1), rgba(239, 68, 68, 0.1));
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.logout-link:hover {
    color: #dc3545 !important;
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.15), rgba(239, 68, 68, 0.15));
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(220, 53, 69, 0.3);
}

/* Sign In Link - Special styling */
.sign-in-link {
    color: #007bff;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1), rgba(0, 86, 179, 0.1));
    border: 1px solid rgba(0, 123, 255, 0.2);
}

.sign-in-link:hover {
    color: #007bff !important;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.15), rgba(0, 86, 179, 0.15));
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

/* Donate Button */
.nav-link.donate-btn {
    background: linear-gradient(135deg, #fd7e14, #e63946);
    color: white;
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(253, 126, 20, 0.3);
}

.nav-link.donate-btn:hover {
    background: linear-gradient(135deg, #e63946, #dc3545);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(253, 126, 20, 0.4);
}

.nav-link.donate-btn::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: linear-gradient(135deg, #28a745, #20c997);
    border-radius: 2px;
    transition: 0.3s;
}

.nav-toggle:hover span {
    background: linear-gradient(135deg, #20c997, #17a2b8);
}

/* Demo Content */
.demo-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    text-align: center;
}

.demo-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #28a745, #20c997);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
}

.demo-content p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.page-indicator {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    padding: 1.25rem 2.5rem;
    border-radius: 50px;
    margin: 2rem auto;
    display: inline-block;
    font-weight: bold;
    box-shadow: 0 5px 20px rgba(40, 167, 69, 0.3);
}

.feature-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-card i {
    font-size: 2.5rem;
    color: #28a745;
    margin-bottom: 1rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 75px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        box-shadow: 0 5px 30px rgba(40, 167, 69, 0.15);
        border-bottom: 1px solid rgba(40, 167, 69, 0.1);
        margin-left: 0; /* Reset margin-left di mobile */
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link,
    .user-display {
        flex-direction: row;
        justify-content: flex-start;
        width: 100%;
        padding: 1.25rem;
        gap: 1rem;
        border-radius: 15px;
        font-size: 1.1rem;
    }

    .nav-link span,
    .user-display span {
        font-size: 1rem;
    }

    .nav-link.active::after {
        display: none;
    }

    /* User display di mobile */
    .user-display {
        justify-content: center;
        background: linear-gradient(135deg, rgba(40, 167, 69, 0.15), rgba(32, 201, 151, 0.15));
        margin: 0.5rem 0;
    }

    /* Logout link di mobile */
    .logout-link {
        justify-content: center;
        margin-bottom: 1rem;
        background: linear-gradient(135deg, rgba(220, 53, 69, 0.15), rgba(239, 68, 68, 0.15)) !important;
    }

    /* Sign in link di mobile */
    .sign-in-link {
        justify-content: center;
        margin-bottom: 1rem;
        background: linear-gradient(135deg, rgba(0, 123, 255, 0.15), rgba(0, 86, 179, 0.15)) !important;
    }

    .nav-link.donate-btn {
        justify-content: center;
        margin-top: 1rem;
        border-radius: 25px;
    }

    .demo-content h1 {
        font-size: 2.2rem;
    }

    .demo-content p {
        font-size: 1rem;
    }

    .feature-highlight {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.8rem;
    }

    .nav-logo {
        font-size: 1.5rem;
    }

    .demo-content {
        padding: 2rem 1rem;
    }

    .demo-content h1 {
        font-size: 1.8rem;
    }
}