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

:root {
    --primary-color: #4f46e5;
    --primary-dark: #4338ca;
    --secondary-color: #64748b;
    --background: #ffffff;
    --surface: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --success: #22c55e;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
}

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

/* Header and Navigation */
.header {
    background-color: var(--background);
    box-shadow: 0 1px 3px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo:hover {
    opacity: 0.8;
}

.logo-img {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all 0.3s;
}

/* Buttons */
.btn {
    padding: 0.625rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-lg);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

.hero-image img {
    width: 100%;
    height: auto;
    animation: float 3s ease-in-out infinite;
}

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

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--surface);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

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

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

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background-color: var(--primary-color);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon img {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* About Section */
.about {
    padding: 5rem 0;
}

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

.about-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Pricing Section */
.pricing {
    padding: 5rem 0;
    background-color: var(--surface);
}

/* Pricing Toggle */
.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0 3rem;
}

.toggle-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.toggle-label.active {
    color: var(--primary-color);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--primary-color);
    border-radius: 30px;
    transition: 0.3s;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    border-radius: 50%;
    transition: 0.3s;
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(30px);
}

.save-badge {
    background-color: var(--success);
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--background);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px var(--shadow);
    position: relative;
    transition: transform 0.3s;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border: 3px solid var(--primary-color);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.plan-features li:last-child {
    border-bottom: none;
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background-color: var(--surface);
}

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

.faq-item {
    background-color: var(--background);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px var(--shadow);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
}

.faq-question:hover {
    background-color: var(--surface);
}

.faq-icon {
    font-size: 0.875rem;
    color: var(--primary-color);
    transition: transform 0.3s;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* CTA Section */
.cta {
    background: #1d6ff2;
    padding: 5rem 0;
    text-align: center;
}

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

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn-cta {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-cta:hover {
    background-color: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-logo:hover {
    opacity: 0.8;
}

.footer-logo .logo-img {
    width: 32px;
    height: 32px;
}

.footer-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
    color: white;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

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

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

.footer-bottom a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-bottom a:hover {
    opacity: 0.7;
    text-decoration: underline;
}

/* Legal Content Pages */
.legal-content {
    padding: 5rem 0;
    background-color: var(--background);
}

.legal-content .container {
    max-width: 900px;
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.legal-content .last-updated {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-style: italic;
}

.legal-content h2 {
    font-size: 1.75rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.legal-content h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.legal-content p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.legal-content ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.legal-content ul li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.legal-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.legal-content a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.legal-content .legal-note {
    margin-top: 3rem;
    padding: 1.5rem;
    background-color: var(--surface);
    border-left: 4px solid var(--primary-color);
    border-radius: 0.5rem;
}

.legal-content strong {
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-wrap: wrap;
    }

    .nav-menu,
    .nav-actions {
        display: none;
        width: 100%;
        flex-direction: column;
        background-color: var(--background);
        padding: 1rem 0;
    }

    .nav-menu.active,
    .nav-actions.active {
        display: flex;
    }

    .nav-menu {
        gap: 0;
        padding: 1rem 0 0;
    }

    .nav-menu li {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-actions {
        gap: 0.5rem;
        padding: 1rem 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-brand {
        max-width: 100%;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

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