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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #264653;
    background-color: #fefefe;
}

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

/* Header */
.header {
    background: #ffffff;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(38, 70, 83, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-name {
    font-size: 24px;
    font-weight: 700;
    color: #264653;
    letter-spacing: -0.5px;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #fefefe 0%, #f8f9fa 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    color: #264653;
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 18px;
    color: #6c757d;
    margin-bottom: 32px;
    line-height: 1.6;
}

.cta-button {
    background: linear-gradient(135deg, #F4A261 0%, #E9C46A 100%);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(244, 162, 97, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(244, 162, 97, 0.4);
}

.hero-dashboard {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(38, 70, 83, 0.15);
    border: 1px solid #e9ecef;
}

.hero-image {
    text-align: center;
}

.secondary-button {
    background: #264653;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.secondary-button:hover {
    background: #1e3a44;
}

/* Image Placeholders */
.image-placeholder {
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    border: 2px dashed #adb5bd;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #6c757d;
    min-height: 300px;
}

.sdk-image, .dashboard-image, .retention-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(38, 70, 83, 0.1);
    background: white;
}

.dashboard-image {
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    border: 2px dashed #adb5bd;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #6c757d;
    min-height: 300px;
}

/* Features Section */
.features {
    padding: 100px 0;
    text-align: center;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    color: #264653;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: #6c757d;
    margin: 0;
}

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

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(38, 70, 83, 0.1);
    text-align: center;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: #264653;
    margin-bottom: 16px;
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* SDK Section */
.sdk-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #fefefe 0%, #f8f9fa 100%);
    text-align: center;
}

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

.sdk-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.sdk-text h2 {
    font-size: 36px;
    font-weight: 700;
    color: #264653;
    margin-bottom: 24px;
}

.sdk-text p {
    font-size: 18px;
    color: #6c757d;
    margin-bottom: 24px;
}

.sdk-text ul {
    list-style: none;
    margin-bottom: 32px;
}

.sdk-text li {
    padding: 8px 0;
    color: #6c757d;
    position: relative;
    padding-left: 24px;
}

.sdk-text li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #F4A261;
    font-weight: bold;
}

/* Dashboard Section */
.dashboard-section {
    padding: 100px 0;
    text-align: center;
}

.dashboard-preview {
    margin-bottom: 60px;
}

.dashboard-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.dashboard-feature {
    text-align: center;
    padding: 24px;
}

.dashboard-feature h4 {
    font-size: 20px;
    font-weight: 700;
    color: #264653;
    margin-bottom: 12px;
}

.dashboard-feature p {
    color: #6c757d;
}

/* Retention Section */
.retention-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    text-align: center;
}

.retention-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.retention-text h2 {
    font-size: 36px;
    font-weight: 700;
    color: #264653;
    margin-bottom: 24px;
}

.retention-text p {
    font-size: 18px;
    color: #6c757d;
    margin-bottom: 40px;
}

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

.stat {
    text-align: center;
    padding: 24px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(38, 70, 83, 0.1);
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: #F4A261;
    margin-bottom: 8px;
}

.stat-label {
    color: #6c757d;
    font-weight: 500;
}

/* Experiment Section */
.experiment-section {
    padding: 100px 0;
    text-align: center;
}

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

.experiment-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(38, 70, 83, 0.1);
    border-left: 4px solid #F4A261;
}

.experiment-card h4 {
    font-size: 22px;
    font-weight: 700;
    color: #264653;
    margin-bottom: 16px;
}

.experiment-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* Pricing Section */
.pricing-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #fefefe 0%, #f8f9fa 100%);
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.pricing-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(38, 70, 83, 0.1);
    text-align: center;
    position: relative;
}

.pricing-card.featured {
    border: 2px solid #F4A261;
    transform: scale(1.05);
}

.plan-badge {
    background: #F4A261;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
}

.plan-name {
    font-size: 24px;
    font-weight: 700;
    color: #264653;
    margin-bottom: 16px;
}

.plan-price {
    font-size: 48px;
    font-weight: 700;
    color: #F4A261;
    margin-bottom: 8px;
}

.plan-price span {
    font-size: 18px;
    color: #6c757d;
}

.plan-description {
    color: #6c757d;
    margin-bottom: 24px;
}

.plan-features {
    list-style: none;
    margin-bottom: 32px;
}

.plan-features li {
    padding: 8px 0;
    color: #6c757d;
    position: relative;
    padding-left: 24px;
}

.plan-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #F4A261;
    font-weight: bold;
}

.plan-button {
    width: 100%;
    background: #264653;
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.plan-button:hover {
    background: #1e3a44;
}

.featured .plan-button {
    background: linear-gradient(135deg, #F4A261 0%, #E9C46A 100%);
}

/* Testimonials Section */
.testimonials-section {
    padding: 100px 0;
    text-align: center;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.testimonial {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(38, 70, 83, 0.1);
}

.testimonial-content p {
    font-size: 18px;
    color: #264653;
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #F4A261 0%, #E9C46A 100%);
    border-radius: 50%;
}

.author-name {
    font-weight: 700;
    color: #264653;
    margin-bottom: 4px;
}

.author-title {
    color: #6c757d;
    font-size: 14px;
}

/* Contacts Section */
.contacts-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    text-align: center;
}

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

.contact-item {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(38, 70, 83, 0.1);
    text-align: center;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.contact-item h4 {
    font-size: 20px;
    font-weight: 700;
    color: #264653;
    margin-bottom: 12px;
}

.contact-item p {
    color: #6c757d;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #264653 0%, #1e3a44 100%);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #F4A261;
}

.footer .brand-name {
    color: white;
}

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

.footer-section li {
    margin-bottom: 12px;
}

.footer-section a {
    color: #adb5bd;
    text-decoration: none;
}

.footer-section a:hover {
    color: #F4A261;
}

.footer-section p {
    color: #adb5bd;
    line-height: 1.6;
    margin-top: 16px;
}

.footer-bottom {
    border-top: 1px solid #495057;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: #adb5bd;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 40px;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #adb5bd;
}

.close:hover {
    color: #264653;
}

.modal-content h2 {
    color: #264653;
    margin-bottom: 24px;
    font-size: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #264653;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #F4A261;
}

.submit-button {
    width: 100%;
    background: linear-gradient(135deg, #F4A261 0%, #E9C46A 100%);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(244, 162, 97, 0.4);
}

























/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .sdk-content,
    .retention-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .retention-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}