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

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

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

/* Header & Hero Section */
.hero {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
    color: white;
    height: 85vh;
    text-align: center;
    display: flex;
    align-items: center;
    position: relative;
}

.header-logo {
    position: absolute;
    top: 30px;
    left: 20px;
    z-index: 10;
}

.header-logo-img {
    height: 40px;
    filter: brightness(0) invert(1);
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}

.logo-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.logo {
    height: 200px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #fff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.extension-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
}

.extension-icon {
    width: 120px;
    height: 120px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.extension-icon:hover {
    transform: scale(1.05);
}

.install-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.chrome-icon {
    font-size: 1.2rem;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: #f8fafc;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #1e293b;
}

.section-description {
    text-align: center;
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #1e293b;
}

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

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.step p {
    color: #64748b;
    line-height: 1.6;
}

/* Settings Preview Section */
.settings-preview {
    padding: 100px 0;
    background-color: #f8fafc;
}

.settings-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #1e293b;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.setting-category {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.setting-category h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #1e293b;
}

.setting-category ul {
    list-style: none;
}

.setting-category li {
    padding: 8px 0;
    color: #64748b;
    position: relative;
    padding-left: 20px;
}

.setting-category li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Footer */
footer {
    background: #0f172a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 600;
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* 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);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 2% auto;
    padding: 0;
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 40px 20px;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 16px 16px 0 0;
}

.modal-header h2 {
    margin: 0;
    color: #1e293b;
    font-size: 1.8rem;
    font-weight: 700;
}

.close {
    color: #64748b;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
    padding: 5px;
}

.close:hover {
    color: #1e293b;
}

.modal-body {
    padding: 30px 40px 40px;
    line-height: 1.7;
    color: #374151;
}

.modal-body h3 {
    color: #1e293b;
    font-size: 1.3rem;
    margin: 30px 0 15px 0;
    font-weight: 600;
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body p {
    margin-bottom: 15px;
    color: #4b5563;
}

.modal-body ul {
    margin: 15px 0;
    padding-left: 20px;
}

.modal-body li {
    margin-bottom: 8px;
    color: #4b5563;
}

.modal-body strong {
    color: #1e293b;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    /* Modal responsive styles */
    .modal-content {
        width: 95%;
        margin: 5% auto;
        max-height: 85vh;
    }
    
    .modal-header {
        padding: 20px 25px 15px;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .modal-body {
        padding: 20px 25px 30px;
    }
    
    .modal-body h3 {
        font-size: 1.2rem;
        margin: 25px 0 12px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .features, .how-it-works, .settings-preview, .cta {
        padding: 60px 0;
    }
    
    .feature-card, .setting-category {
        padding: 25px 20px;
    }
    
    /* Modal mobile styles */
    .modal-content {
        width: 98%;
        margin: 2% auto;
        max-height: 90vh;
    }
    
    .modal-header {
        padding: 15px 20px 10px;
    }
    
    .modal-header h2 {
        font-size: 1.3rem;
    }
    
    .close {
        font-size: 1.5rem;
    }
    
    .modal-body {
        padding: 15px 20px 25px;
    }
    
    .modal-body h3 {
        font-size: 1.1rem;
        margin: 20px 0 10px 0;
    }
}