/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: white;
}

.nav-logo i {
    font-size: 2rem;
}

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

.nav-link {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #fbbf24;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 3px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: 0.3s;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: white;
    color: #6366f1;
    border: 2px solid #6366f1;
}

.btn-secondary:hover {
    background: #f8fafc;
    color: #4f46e5;
    border-color: #4f46e5;
}

/* Hero section specific button styling */
.hero .btn-primary {
    background: white;
    color: #2563eb;
    border: 2px solid white;
}

.hero .btn-primary:hover {
    background: #f8fafc;
    color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

.hero .btn-secondary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    border: 2px solid #2563eb;
}

.hero .btn-secondary:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    color: white;
    border-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/panel-background.png.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    opacity: 0.6;
    filter: brightness(1.2) contrast(1.4) saturate(1.2) blur(0px) hue-rotate(0deg);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    transform: translateZ(0);
    will-change: transform;
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

.hero-pattern {
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, white 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, white 2px, transparent 2px);
    background-size: 50px 50px;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2rem;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.gradient-text {
    background: linear-gradient(45deg, #fbbf24, #f59e0b, #f97316);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(251, 191, 36, 0.3);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.hero-description {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
    line-height: 1.6;
    letter-spacing: 0.3px;
    text-rendering: optimizeLegibility;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 0.75rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-item i {
    font-size: 1.25rem;
    color: #fbbf24;
}

.feature-item span {
    font-weight: 600;
    font-size: 0.95rem;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.section-description {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Overview Section */
.services-overview {
    padding: 6rem 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid #f0f0f0;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #6366f1;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.service-card p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.service-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: #059669;
    background: #ecfdf5;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    display: inline-block;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: #f9fafb;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Demo Section */
.demo {
    padding: 6rem 0;
    background: white;
}

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

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

.demo-image {
    margin-bottom: 1.5rem;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.demo-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.demo-image img:hover {
    transform: scale(1.05);
}

.demo-placeholder {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.demo-placeholder i {
    font-size: 3rem;
}

.demo-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.demo-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.demo-item p {
    color: #6b7280;
}

/* FAQ Section */
.faq {
    padding: 6rem 0;
    background: #f9fafb;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e5e7eb;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
}

.faq-question i {
    color: #6366f1;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: #6b7280;
    line-height: 1.6;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: #6366f1;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 2rem;
}

.footer-section p {
    color: #d1d5db;
    margin-bottom: 1.5rem;
}

.footer-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #6366f1;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #6366f1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #d1d5db;
}

.contact-item i {
    color: #6366f1;
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #6366f1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.demo-item,
.faq-item {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scroll to top button */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: #6366f1;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-top:hover {
    background: #4f46e5;
    transform: translateY(-2px);
}

/* Payment Modal */
.payment-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: white;
    max-width: 500px;
    margin: 5% auto;
    border-radius: 1rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    animation: slideUp 0.3s ease;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #6b7280;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: #f3f4f6;
    color: #1f2937;
}

.modal-body {
    padding: 2rem;
}

.price-section {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 0.75rem;
    color: white;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.price-desc {
    font-size: 1rem;
    opacity: 0.9;
}

.payment-methods h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.payment-options {
    display: grid;
    gap: 1rem;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.payment-option:hover {
    border-color: #6366f1;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
    transform: translateY(-2px);
}

.payment-option i {
    font-size: 2rem;
    color: #6366f1;
    width: 40px;
    text-align: center;
}

.payment-option span {
    font-weight: 600;
    color: #1f2937;
    font-size: 1.1rem;
}

.payment-desc {
    font-size: 0.9rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

.contact-support {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
    text-align: center;
}

.contact-support p {
    color: #6b7280;
    margin: 0;
}

.contact-support a {
    color: #6366f1;
    text-decoration: none;
    font-weight: 600;
}

.contact-support a:hover {
    text-decoration: underline;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* QR Payment Modal Specific Styles */
.qr-modal {
    max-width: 600px;
}

.qr-payment-section {
    text-align: center;
}

.payment-amount {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
}

.payment-amount h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.qr-code-container {
    margin: 2rem 0;
    padding: 2rem;
    border: 2px dashed #d1d5db;
    border-radius: 0.75rem;
    background: #f9fafb;
}

.qr-placeholder {
    color: #6b7280;
}

.qr-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #9ca3af;
}

.qr-placeholder p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.qr-placeholder small {
    font-size: 0.9rem;
    color: #9ca3af;
}

.qr-image {
    max-width: 250px;
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.payment-instructions {
    text-align: left;
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f0f9ff;
    border-radius: 0.75rem;
    border-left: 4px solid #0ea5e9;
}

.payment-instructions h4 {
    color: #1f2937;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.payment-instructions ol {
    color: #374151;
    line-height: 1.6;
}

.payment-instructions li {
    margin-bottom: 0.5rem;
}

.utr-verification {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
}

.utr-verification h4 {
    color: #1f2937;
    margin-bottom: 1rem;
    text-align: left;
}

.utr-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 1rem;
    margin-bottom: 1rem;
    transition: border-color 0.3s ease;
}

.utr-input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.verify-btn {
    width: 100%;
    padding: 0.875rem;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #059669, #047857);
    border: none;
}

.verify-btn:hover {
    background: linear-gradient(135deg, #047857, #065f46);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(5, 150, 105, 0.3);
}

.payment-note {
    margin-top: 2rem;
    padding: 1rem;
    background: #fef3c7;
    border-radius: 0.5rem;
    border-left: 4px solid #f59e0b;
    text-align: left;
}

.payment-note p {
    margin-bottom: 0.5rem;
    color: #92400e;
    font-size: 0.9rem;
}

.payment-note a {
    color: #6366f1;
    text-decoration: none;
    font-weight: 600;
}

.payment-note a:hover {
    text-decoration: underline;
}