/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(18, 19, 33, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

[data-theme="light"] .header {
    background: rgba(248, 250, 252, 0.9);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.header.scrolled {
    background: rgba(18, 19, 33, 0.95);
    box-shadow: 0 5px 20px var(--shadow-color);
}

[data-theme="light"] .header.scrolled {
    background: rgba(248, 250, 252, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.beta-badge {
    background: var(--secondary-gradient);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    position: absolute;
    top: -5px;
    right: -30px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

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

/* Theme Toggle Switch */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--card-bg);
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow);
}

.toggle-track {
    width: 50px;
    height: 26px;
    background: var(--bg-tertiary);
    border-radius: 25px;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid var(--glass-border);
}

[data-theme="light"] .toggle-track {
    background: var(--primary-gradient);
}

.toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .toggle-thumb {
    left: calc(100% - 24px);
    background: white;
}

.toggle-thumb i {
    font-size: 0.7rem;
    position: absolute;
    transition: all 0.3s ease;
}

.toggle-thumb .fa-moon {
    color: #667eea;
    opacity: 1;
}

.toggle-thumb .fa-sun {
    color: #f59e0b;
    opacity: 0;
    transform: scale(0);
}

[data-theme="light"] .toggle-thumb .fa-moon {
    opacity: 0;
    transform: scale(0);
}

[data-theme="light"] .toggle-thumb .fa-sun {
    opacity: 1;
    transform: scale(1);
}

.toggle-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: color 0.3s ease;
    white-space: nowrap;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-glow {
    animation: glow 2s ease-in-out infinite alternate;
}

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

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--primary-gradient);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-badge {
    background: var(--secondary-gradient);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 2rem;
    animation: bounce 2s infinite;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-gradient {
    background: linear-gradient(135deg, var(--text-primary) 0%, #a8a6ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

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

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.stat-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.2rem;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Card Styles */
.card-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.card-container {
    position: relative;
    height: 250px;
    width: 400px;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.card-container.flipped {
    transform: rotateY(180deg);
}

.card {
    position: absolute;
    height: 100%;
    width: 100%;
    background: var(--card-bg);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 25px;
    backface-visibility: hidden;
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    color: var(--text-primary);
}

[data-theme="light"] .card {
    box-shadow: 
        0 8px 32px var(--shadow-color),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.card-glare {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    transition: var(--transition);
}

.card:hover .card-glare {
    animation: glare 2s ease-in-out;
}

.front-face .logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-glow {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.front-face header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.chip-container {
    position: relative;
}

.chip-glow {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 8px;
    filter: blur(10px);
    opacity: 0.5;
    animation: pulse 2s infinite;
}

.chip {
    width: 50px;
    position: relative;
    z-index: 1;
}

.front-face .card-details {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.card h5 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.card h6 {
    font-size: 10px;
    font-weight: 400;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

h5.number {
    font-size: 18px;
    letter-spacing: 2px;
    margin: 5px 0 15px;
    font-weight: 600;
}

h5.name {
    font-size: 16px;
    font-weight: 500;
}

.card.back-face {
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card.back-face h6 {
    font-size: 8px;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.magnetic-strip {
    height: 40px;
    width: 100%;
    background: linear-gradient(90deg, #000, #333, #000);
    margin: 1rem 0;
}

.signature {
    height: 30px;
    background: repeating-linear-gradient(#fff, #fff 3px, #efefef 0px, #efefef 9px);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 10px;
    margin: 1rem 0;
}

.signature i {
    color: #000;
    font-size: 10px;
    font-weight: 600;
}

.security-note {
    font-size: 6px;
    color: var(--text-tertiary);
    text-align: center;
    margin-top: 1rem;
}

.card-controls {
    display: flex;
    gap: 1rem;
}

.control-btn {
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
}

.control-btn:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-2px);
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    color: var(--text-primary);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: var(--transition);
}

.feature-card:hover::before {
    left: 100%;
}

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

[data-theme="light"] .feature-card {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.icon-glow {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: var(--neon-glow);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.feature-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--glass-bg);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 3px;
    transition: width 1s ease-in-out;
}

.security-badge {
    background: var(--accent-gradient);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: white;
}

.rewards-display {
    display: flex;
    gap: 1rem;
}

.reward-item {
    background: var(--secondary-gradient);
    padding: 8px 15px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    color: white;
}

/* Product Cards */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--card-bg);
    border-radius: 25px;
    padding: 3rem 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    text-align: center;
    position: relative;
    color: var(--text-primary);
}

.product-card.featured {
    transform: scale(1.05);
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.15), 
        rgba(118, 75, 162, 0.15));
    border: 1px solid var(--primary-gradient);
    box-shadow: var(--neon-glow);
}

[data-theme="light"] .product-card.featured {
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.08), 
        rgba(118, 75, 162, 0.08));
}

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

.product-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.product-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-gradient);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    box-shadow: var(--neon-glow);
}

.product-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.product-price {
    margin-bottom: 2rem;
}

.product-price .currency {
    font-size: 1.5rem;
    vertical-align: top;
    font-weight: 600;
    color: var(--text-primary);
}

.product-price .amount {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), #a8a6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.product-price .period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.product-features {
    list-style: none;
    margin-bottom: 2.5rem;
    text-align: left;
}

.product-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.product-features i {
    color: #4facfe;
    font-size: 0.9rem;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary), #a8a6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-text p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.about-stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.about-stat p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.achievement-showcase {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.achievement-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    color: var(--text-primary);
}

.achievement-card:hover {
    transform: translateX(10px);
    box-shadow: var(--glass-shadow);
}

.achievement-icon {
    width: 50px;
    height: 50px;
    background: var(--secondary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.achievement-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.achievement-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.contact-card h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 10px;
    transition: var(--transition);
}

.contact-method:hover {
    background: var(--glass-bg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
}

.gamified-form {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gradient);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
    background: var(--bg-tertiary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

/* Footer */
.footer {
    background: rgba(10, 15, 25, 0.9);
    padding: 60px 0 20px;
    border-top: 1px solid var(--glass-border);
}

[data-theme="light"] .footer {
    background: rgba(241, 245, 249, 0.9);
    border-top: 1px solid rgba(226, 232, 240, 0.8);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-tertiary);
}

.footer-bottom span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: var(--bg-secondary);
        width: 80%;
        height: calc(100vh - 70px);
        padding: 2rem;
        transition: var(--transition);
        backdrop-filter: blur(20px);
        border-left: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
        flex-direction: column;
        cursor: pointer;
        z-index: 1001;
    }
    
    .hamburger span {
        width: 25px;
        height: 3px;
        background: var(--text-primary);
        margin: 3px 0;
        transition: var(--transition);
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .card-container {
        transform: scale(0.85);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card.featured {
        transform: scale(1);
    }
    
    .theme-toggle {
        padding: 0.4rem 0.8rem;
    }
    
    .toggle-label {
        display: none;
    }
}
/* Enhanced Interactions */
.btn.loading {
    position: relative;
    color: transparent !important;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--primary-gradient);
    z-index: 10000;
    transition: width 0.1s ease;
}

/* Enhanced card hover effects */
.feature-card,
.product-card,
.achievement-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover,
.product-card:hover,
.achievement-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 80px rgba(102, 126, 234, 0.1);
}

/* Enhanced button animations */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Enhanced Form Validation Styles */
.form-group.success .input-with-icon i {
    color: #2ed573 !important;
}

.form-group.error .input-with-icon i {
    color: #ff4757 !important;
}

.form-group.success input,
.form-group.success textarea {
    border-color: #2ed573 !important;
    box-shadow: 0 0 0 2px rgba(46, 213, 115, 0.1) !important;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ff4757 !important;
    box-shadow: 0 0 0 2px rgba(255, 71, 87, 0.1) !important;
    animation: shake 0.5s ease-in-out;
}

/* Enhanced loading states */
.btn.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Toast notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    z-index: 10001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    max-width: 400px;
    box-shadow: var(--glass-shadow);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.toast-content i {
    font-size: 1.2rem;
}

.toast-success {
    border-left: 4px solid #2ed573;
}

.toast-error {
    border-left: 4px solid #ff4757;
}

.toast-info {
    border-left: 4px solid #4facfe;
}

.toast-warning {
    border-left: 4px solid #ffa502;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}