/* modern.css - Premium aesthetic overhaul for EPS Topik Practice */

:root {
    --primary: #4F46E5;
    --primary-dark: #3730A3;
    --primary-light: #EEF2FF;
    --secondary: #06B6D4;
    --accent: #F59E0B;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --bg-main: #F1F5F9;
    --bg-card: #FFFFFF;
    --glass: rgba(255, 255, 255, 0.85);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.08);
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --transition-smooth: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Top Utility Bar */
.top-utility-bar {
    background: #0F172A;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.utility-contacts {
    display: flex;
    gap: 20px;
}

.utility-contacts a {
    color: #94A3B8;
    font-size: 13px;
    text-decoration: none !important;
    transition: color 0.3s;
    font-weight: 500;
}

.utility-contacts a i {
    color: var(--primary);
    margin-right: 5px;
}

.utility-contacts a:hover {
    color: white;
}

.utility-social {
    display: flex;
    gap: 15px;
}

.utility-social a {
    color: #94A3B8;
    font-size: 14px;
    transition: all 0.3s;
}

.utility-social a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

/* Entrance Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-main);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .mu-logo {
    font-family: 'Outfit', sans-serif;
}

/* Premium Navbar */
.navbar-premium {
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    padding: 0 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    height: 80px;
}

.navbar-premium.scrolled {
    height: 70px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-dark);
    text-decoration: none !important;
    letter-spacing: -1px;
}

.nav-logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none !important;
    transition: all 0.3s;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-select {
    border-radius: 10px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.8);
    border: 1px solid rgba(0,0,0,0.05);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.nav-cta-btn {
    background: var(--primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none !important;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.nav-cta-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
}

.mu-menu-btn {
    display: none; /* Hidden on desktop */
}

/* Hero Section */
#mu-header {
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.mu-header-overlay {
    background: radial-gradient(circle at 20% 30%, rgba(79, 70, 229, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
                linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    padding: 100px 0 140px;
}

.mu-logo {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(to right, #FFFFFF, #CBD5E1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 60px !important;
}

.welcome-text {
    font-size: 14px;
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-family: 'Outfit', sans-serif;
}

.mu-header-featured-content {
    margin-top: 40px !important;
    text-align: left !important;
}

.mu-header-featured-content h1 {
    font-size: 64px !important;
    font-weight: 900 !important;
    line-height: 1 !important;
    letter-spacing: -2px !important;
    margin-bottom: 32px !important;
}

.mu-header-featured-content h1 span {
    background: linear-gradient(to right, #38BDF8, #818CF8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mu-header-featured-content p {
    font-size: 20px !important;
    color: #94A3B8 !important;
    line-height: 1.6 !important;
    max-width: 540px;
    margin-bottom: 48px !important;
}

.mu-app-download-area h4 {
    text-align: left;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 2px;
    color: #64748B;
    margin-bottom: 24px;
}

.mu-google-btn, .mu-apple-btn {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    backdrop-filter: blur(10px);
    border-radius: 16px !important;
    padding: 14px 28px !important;
    margin: 0 16px 16px 0 !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.mu-google-btn:hover, .mu-apple-btn:hover {
    background: white !important;
    color: var(--primary) !important;
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.mu-header-featured-img img {
    filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(2deg); }
}

/* Feature Cards */
.mu-title-area {
    margin-bottom: 60px;
}

.mu-title {
    font-size: 48px !important;
    font-weight: 800;
    color: var(--text-dark);
}

.mu-title-dot {
    height: 6px;
    width: 60px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.mu-feature-content-right .media {
    background: white;
    border: 1px solid rgba(0,0,0,0.05) !important;
    padding: 32px !important;
    border-radius: var(--radius-lg);
    margin-bottom: 24px !important;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.mu-feature-content-right .media::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity 0.3s;
}

.mu-feature-content-right .media:hover {
    transform: translateX(10px) translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: transparent !important;
}

.mu-feature-content-right .media:hover::after {
    opacity: 1;
}

.mu-feature-btn {
    width: 56px;
    height: 56px;
    border-radius: 14px !important;
    background: var(--primary-light) !important;
    color: var(--primary) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px !important;
    transition: all 0.3s;
}

.media:hover .mu-feature-btn {
    background: var(--primary) !important;
    color: white !important;
    transform: rotate(12deg);
}

/* News Section Cards */
#mu-news {
    background: #F1F5F9;
    padding: 100px 0;
}

.news-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    border: 1px solid rgba(0,0,0,0.03);
}

.news-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
}

.news-image {
    height: 220px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

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

.news-body {
    padding: 24px;
}

.news-date {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    display: block;
}

.news-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.news-excerpt {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more-btn {
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s;
}

.read-more-btn:hover {
    gap: 12px;
    color: var(--primary-dark);
}

/* App Screenshot Section */
.mu-apps-screenshot-area {
    padding: 100px 0;
    background: white;
}

.mu-apps-screenshot-slider img {
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    margin: 20px 10px;
    border: 8px solid #F1F5F9;
    transition: transform 0.5s;
}

.mu-apps-screenshot-slider .slick-center img {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    border-color: white;
}

/* Registration Forms */
.mu-contact-area {
    background: white;
    border-radius: var(--radius-xl);
    padding: 80px 60px !important;
    box-shadow: var(--shadow-xl);
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-control {
    background: #F8FAFC !important;
    border: 1px solid #E2E8F0 !important;
    border-radius: 14px !important;
    height: 56px !important;
    padding: 12px 20px !important;
    font-size: 16px !important;
    transition: all 0.3s !important;
}

.form-control:focus {
    background: white !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1) !important;
    transform: translateY(-2px);
}

.mu-send-msg-btn {
    background: var(--primary) !important;
    border-radius: 16px !important;
    height: 60px;
    padding: 0 48px !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2) !important;
    transition: all 0.3s !important;
}

.mu-send-msg-btn:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(79, 70, 229, 0.3) !important;
}

/* Footer Modernization */
#mu-footer {
    background: #0F172A;
    color: #94A3B8;
    padding: 100px 0 40px;
}

#mu-footer h3, #mu-footer h4 {
    color: white;
    margin-bottom: 24px;
}

.mu-footer-social a {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 12px;
    transition: all 0.3s;
}

.mu-footer-social a:hover {
    background: var(--primary);
    transform: translateY(-5px);
}

.footer-app-btn img {
    height: 40px;
    margin-bottom: 12px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-app-btn:hover img {
    opacity: 1;
}

/* Statistics Section */
.mu-stats-section {
    padding: 100px 0;
    background: var(--gradient-brand);
    color: white;
    text-align: center;
}

.stat-item {
    padding: 30px;
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    display: block;
    margin-bottom: 10px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

/* Testimonials */
#mu-testimonials {
    padding: 120px 0;
    background: white;
}

.testimonial-card {
    background: var(--bg-main);
    padding: 50px;
    border-radius: var(--radius-xl);
    margin: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

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

.testimonial-text {
    font-size: 20px;
    font-style: italic;
    line-height: 1.8;
    color: var(--text-main);
    margin-bottom: 32px;
}

.testimonial-author {
    font-weight: 800;
    color: var(--primary);
    display: block;
    font-size: 18px;
}

/* Floating Action Button */
.fab-container {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.fab-item {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-size: 24px;
}

.fab-item:hover {
    transform: scale(1.15) translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.fab-whatsapp { background: #25D366; animation: pulse-green 2s infinite; }
.fab-phone { background: var(--primary); }

@keyframes pulse-green {
	0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
	70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
	100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Mobile Device Frame for Screenshots */
.device-frame {
    position: relative;
    max-width: 280px;
    margin: 40px auto;
    border: 12px solid #0F172A;
    border-radius: 44px;
    box-shadow: 0 50px 100px -20px rgba(0,0,0,0.25);
    overflow: hidden;
    background: #0F172A;
}

.device-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 28px;
    background: #0F172A;
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
    z-index: 10;
}

/* Mobile Adjustments */
@media (max-width: 991px) {
    .mu-header-featured-content {
        text-align: center !important;
    }
    .mu-header-featured-content p {
        margin: 0 auto 40px auto !important;
    }
    .mu-header-featured-img {
        width: 100% !important;
        margin-bottom: 60px;
    }
    .mu-header-featured-content h1 {
        font-size: 48px !important;
    }
}

@media (max-width: 768px) {
    .mu-title {
        font-size: 36px !important;
    }
    .mu-contact-area {
        padding: 40px 20px !important;
    }
    .mu-header-featured-content h1 {
        font-size: 40px !important;
    }
    
    .nav-links {
        display: none; /* Hide on mobile */
    }
    
    .mu-menu-btn {
        display: block; /* Show hamburger on mobile */
    }
    
    .nav-cta-btn {
        display: none; /* Hide CTA text on small mobile if needed or keep it small */
    }
}