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

:root {
    --primary-color: #FF0000;
    --primary-dark: #CC0000;
    --primary-light: #FF3333;
    --secondary-color: #282828;
    --accent-color: #00D9FF;
    --success-color: #00C853;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --gradient-primary: linear-gradient(135deg, #FF0000 0%, #FF6B6B 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #282828 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
}

.logo i {
    font-size: 32px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-nav {
    background: var(--gradient-primary);
    color: var(--text-white) !important;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    z-index: 999;
    padding: 20px;
}

.mobile-menu.active {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 12px 16px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.mobile-menu a:hover {
    background: var(--bg-light);
}

.btn-mobile {
    background: var(--gradient-primary);
    color: var(--text-white) !important;
    text-align: center;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 0 100px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 0, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 30px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-white);
    padding: 8px 20px;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 32px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.hero-badge i {
    color: #FFD700;
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.hero-description {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

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

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-fade-in-delay-1 {
    animation: fadeIn 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.animate-fade-in-delay-3 {
    animation: fadeIn 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

.animate-fade-in-delay-4 {
    animation: fadeIn 0.8s ease-out 0.8s forwards;
    opacity: 0;
}

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

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-success {
    background: var(--success-color);
    color: var(--text-white);
}

.btn-success:hover {
    background: #00B848;
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-xlarge {
    padding: 22px 48px;
    font-size: 20px;
}

.btn-small {
    padding: 10px 20px;
    font-size: 14px;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

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

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.section-description {
    font-size: 20px;
    color: var(--text-light);
    line-height: 1.8;
}

/* What Is Section */
.what-is {
    background: var(--bg-white);
}

.what-is-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.step-card {
    position: relative;
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-8px);
}

.step-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.step-number {
    position: absolute;
    top: -20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--text-white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.step-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step-card p {
    color: var(--text-light);
    font-size: 14px;
}

.step-arrow {
    font-size: 32px;
    color: var(--primary-color);
    font-weight: 700;
}

.what-is-highlight {
    text-align: center;
    padding: 30px;
    background: var(--gradient-primary);
    border-radius: 12px;
    color: var(--text-white);
}

.what-is-highlight p {
    font-size: 24px;
    margin: 0;
}

/* Features Section */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.feature-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--text-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* Demo Section */
.demo {
    background: var(--bg-white);
}

.demo-container {
    max-width: 1000px;
    margin: 0 auto;
}

.demo-input-section {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
    margin-bottom: 40px;
}

.input-group {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.demo-input {
    flex: 1;
    min-width: 300px;
    padding: 18px 24px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.3s ease;
}

.demo-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.demo-hint {
    color: var(--text-light);
    font-size: 14px;
    text-align: center;
}

.demo-results {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 16px;
}

.results-header h3 {
    font-size: 24px;
    font-weight: 700;
}

.results-table-container {
    overflow-x: auto;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.results-table thead {
    background: var(--bg-light);
}

.results-table th,
.results-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.results-table th {
    font-weight: 700;
    color: var(--text-dark);
}

.results-table td {
    color: var(--text-light);
}

.results-table tr:hover {
    background: var(--bg-light);
}

.no-results {
    text-align: center;
    color: var(--text-light);
}

.demo-note {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #FFF3CD;
    padding: 16px;
    border-radius: 8px;
    color: #856404;
    font-size: 14px;
}

/* Who For Section */
.who-for {
    background: var(--bg-light);
}

.who-for-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.who-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
}

.who-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.who-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.who-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.who-for-cta {
    text-align: center;
    padding: 40px;
    background: var(--gradient-dark);
    border-radius: 12px;
}

.highlight-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
    margin: 0;
}

/* Use Cases Section */
.use-cases {
    background: var(--bg-white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.use-case-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.use-case-item:hover {
    background: var(--primary-light);
    color: var(--text-white);
}

.use-case-item i {
    font-size: 24px;
    color: var(--success-color);
}

.use-case-item:hover i {
    color: var(--text-white);
}

.use-case-item span {
    font-size: 16px;
    font-weight: 500;
}

.use-cases-footer {
    text-align: center;
    padding: 40px;
    background: var(--gradient-primary);
    border-radius: 12px;
}

/* Why Choose Section */
.why-choose {
    background: var(--bg-light);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.why-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.why-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.why-icon {
    width: 40px;
    height: 40px;
    background: var(--success-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.why-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
}

.why-cta {
    text-align: center;
    padding: 50px;
    background: var(--bg-white);
    border-radius: 12px;
}

.highlight-text-large {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    background: var(--bg-white);
}

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

.faq-item {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active {
    border-color: var(--primary-color);
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-light);
    line-height: 1.8;
}

/* Final CTA Section */
.final-cta {
    background: var(--gradient-dark);
    color: var(--text-white);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 24px;
    color: var(--text-white);
}

.cta-description {
    font-size: 20px;
    margin-bottom: 40px;
    line-height: 1.8;
    opacity: 0.9;
}

.cta-buttons {
    margin-bottom: 40px;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 500;
}

.cta-feature i {
    color: var(--success-color);
    font-size: 20px;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--text-white);
    padding: 60px 0 30px;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-logo i {
    font-size: 32px;
}

.footer-text {
    margin-bottom: 30px;
    opacity: 0.8;
}

.footer-text p {
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding: 140px 0 60px;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 24px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 36px;
    }

    .section-title {
        font-size: 36px;
    }

    .section-description {
        font-size: 16px;
    }

    .step-arrow {
        display: none;
    }

    .input-group {
        flex-direction: column;
    }

    .demo-input {
        min-width: 100%;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-title {
        font-size: 36px;
    }

    .cta-description {
        font-size: 16px;
    }

    .highlight-text-large {
        font-size: 20px;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .btn-xlarge {
        padding: 18px 32px;
        font-size: 16px;
    }

    .btn-large {
        padding: 14px 28px;
        font-size: 16px;
    }
}