:root {
    --primary-color: #4361ee;
    --primary-hover: #3a56d4;
    --secondary-color: #7209b7;
    --secondary-hover: #56078c;
    --download-color: #f72585;
    --download-hover: #d91c73;
    --text-color: #ffffff;
    --text-muted: #e0e0e0;
    --glass-bg: rgba(25, 25, 35, 0.65);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
    overflow-x: hidden;
}

.background-blur {
    position: fixed;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background-image: url('assets/gedung.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    filter: blur(8px) brightness(0.6);
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeIn 1s ease-out;
}

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

/* Glassmorphism Classes */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
}

/* Header / Kop Styles */
.header-kop {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    padding: 1.5rem 2rem;
}

.logo {
    width: 90px;
    height: auto;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.header-text h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    background: linear-gradient(to right, #fff, #dcdcdc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-text h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ffd166;
}

.header-text p {
    font-size: 1rem;
    color: var(--text-muted);
}

/* Content Styles */
.content-card {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.section {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.section-icon {
    font-size: 2.5rem;
    color: #4cc9f0;
    margin-bottom: 0.5rem;
}

.section p {
    font-size: 1.1rem;
    max-width: 700px;
}

.divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--glass-border), transparent);
    width: 100%;
}

.warning-section {
    background: rgba(255, 209, 102, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 209, 102, 0.3);
}

.warning-icon {
    font-size: 2rem;
    color: #ffd166;
}

.info-section {
    background: rgba(76, 201, 240, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(76, 201, 240, 0.3);
    text-align: left;
    align-items: flex-start;
}

.info-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #4cc9f0;
    margin-bottom: 0.5rem;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    color: white;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn:hover::after {
    opacity: 1;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #2196f3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #9c27b0);
}

.btn-download {
    background: linear-gradient(135deg, var(--download-color), #ff5252);
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

/* Footer Styles */
.footer-card {
    text-align: center;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-link {
    color: #4cc9f0;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-link:hover {
    color: #ffffff;
}

.separator {
    margin: 0 1rem;
    color: var(--glass-border);
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-kop {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .logo {
        width: 80px;
    }
    
    .header-text h1 {
        font-size: 1.5rem;
    }
    
    .header-text h2 {
        font-size: 1.2rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn-download {
        width: 100%;
    }
    
    footer p {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .separator {
        display: none;
    }
}