:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --light: #f8fafc;
    --dark: #1e293b;
    --success: #10b981;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--dark);
    line-height: 1.6;
    background-color: #f9fafb;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    transition: var(--transition);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
}

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

.logo i {
    margin-right: 10px;
    font-size: 1.3rem;
}

/* Desktop Navigation */
.desktop-nav {
    display: none;
}

.desktop-nav ul {
    display: flex;
    list-style: none;
}

.desktop-nav ul li {
    margin-left: 25px;
    position: relative;
}

.desktop-nav ul li a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 0;
}

.desktop-nav ul li a:hover {
    color: var(--primary);
}

.desktop-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

.desktop-nav ul li a:hover::after {
    width: 100%;
}

.auth-buttons {
    display: none;
}

.btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    border: none;
    outline: none;
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.2);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
    z-index: 1001;
}

.mobile-menu-btn:hover {
    color: var(--primary);
}

.mobile-menu-btn.active {
    color: var(--primary);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    width: 100%;
    text-align: center;
    padding: 20px 0;
    background-color: white;
    border-top: 1px solid var(--border);
    position: absolute;
    top: 100%;
    left: 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
    display: block;
    animation: slideDown 0.3s ease;
}

.mobile-menu ul {
    list-style: none;
    margin-bottom: 20px;
}

.mobile-menu ul li {
    margin-bottom: 15px;
}

.mobile-menu ul li a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 1.1rem;
    display: block;
    padding: 12px 0;
    transition: var(--transition);
    border-radius: 6px;
}

.mobile-menu ul li a:hover {
    color: var(--primary);
    background-color: rgba(37, 99, 235, 0.05);
}

.mobile-menu .auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
    padding: 0 20px;
}

.mobile-menu .auth-buttons a {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB2aWV3Qm94PSIwIDAgMTAwMCAxMDAwIiBwcmVzZXJ2ZUFzcGVjdFJhdGlvPSJub25lIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9IiMyNTYzZWIiLz48cGF0aCBkPSJNMCw1MDBMMTAwMCw1MDBMMTAwMCw3NTBMMCw3NTBaIiBmaWxsPSIjMWQ0ZWQ4Ii8+PC9zdmc+');
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1rem;
    max-width: 800px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* Features Section */
.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--dark);
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary);
}

.section-title p {
    color: var(--secondary);
    max-width: 700px;
    margin: 20px auto 0;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.feature-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background-color: var(--primary);
    transform: scale(1.1);
}

.feature-card:hover .feature-icon i {
    color: white;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--secondary);
    margin-bottom: 20px;
}

.feature-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.feature-link i {
    margin-left: 5px;
    transition: var(--transition);
}

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

.feature-link:hover i {
    transform: translateX(5px);
}

/* Why Choose Section */
.why-choose {
    background-color: white;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.why-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.why-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.why-item:hover .why-icon {
    transform: rotate(15deg) scale(1.1);
}

.why-content h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.why-content p {
    color: var(--secondary);
}

/* Testimonials Section */
.testimonials {
    background-color: #f1f5f9;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.testimonial-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--secondary);
    position: relative;
}

.testimonial-text::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary);
    position: absolute;
    top: -15px;
    left: -10px;
    opacity: 0.3;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--border);
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: bold;
    transition: var(--transition);
}

.testimonial-card:hover .author-avatar {
    background-color: var(--primary);
    color: white;
}

.author-info h4 {
    margin-bottom: 5px;
}

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

/* Payment Methods */
.payment-methods {
    text-align: center;
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.payment-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.payment-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.payment-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.payment-name {
    font-weight: 600;
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB2aWV3Qm94PSIwIDAgMTAwMCAxMDAwIiBwcmVzZXJ2ZUFzcGVjdFJhdGlvPSJub25lIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9IiMxZDRlZDgiLz48cGF0aCBkPSJNMCw1MDBMMTAwMCw1MDBMMTAwMCw3NTBMMCw3NTBaIiBmaWxsPSIjMjU2M2ViIi8+PC9zdmc+');
    opacity: 0.1;
    z-index: 1;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.cta p {
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 50px 0 25px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
    position: relative;
    display: inline-block;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary);
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 25px;
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Stats Counter */
.stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    display: block;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (min-width: 768px) {
    .desktop-nav {
        display: block;
    }
    
    .auth-buttons {
        display: flex;
        gap: 15px;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .mobile-menu {
        display: none !important;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .payment-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 767px) {
    .header-content {
        padding: 12px 0;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .cta {
        padding: 40px 0;
    }
    
    footer {
        padding: 40px 0 20px;
    }
}