* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title i {
    color: #E4405F;
    margin-right: 15px;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: #667eea;
}

.btn-secondary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

/* Phone Mockup */
.phone-mockup {
    width: 280px;
    height: 560px;
    background: #333;
    border-radius: 30px;
    padding: 20px;
    position: relative;
    margin: 0 auto;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #405de6, #5851db, #833ab4, #c13584, #e1306c, #fd1d1d);
    border-radius: 20px;
    padding: 40px 20px 20px;
    position: relative;
}

.phone-screen::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.demo-content {
    text-align: center;
    color: white;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.demo-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: bold;
}

.demo-stats {
    display: flex;
    justify-content: space-around;
    margin: 20px 0;
}

.stat {
    text-align: center;
}

.stat .number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
}

.stat .label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.demo-result {
    background: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 600;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #2d3748;
}

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

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2d3748;
}

.feature-card p {
    color: #718096;
    line-height: 1.8;
}

/* Installation Section */
.installation {
    padding: 100px 0;
    background: white;
}

.browser-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    color: #4a5568;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.tab-btn:hover {
    background: #e2e8f0;
    transform: translateY(-2px);
}

.tab-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.tab-btn i {
    font-size: 1.2rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.browser-info {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 20px;
}

.browser-info h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.browser-info i {
    font-size: 2rem;
}

.browser-info p {
    opacity: 0.9;
    font-size: 1.1rem;
}

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

.method {
    background: #f8fafc;
    padding: 40px;
    border-radius: 20px;
    border-left: 5px solid #667eea;
}

.method-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.method-header i {
    font-size: 1.5rem;
    color: #667eea;
}

.method-header h4 {
    font-size: 1.3rem;
    color: #2d3748;
    margin: 0;
}

.installation-steps {
    list-style: none;
    counter-reset: step-counter;
}

.installation-steps li {
    counter-increment: step-counter;
    margin-bottom: 15px;
    padding-left: 40px;
    position: relative;
    color: #4a5568;
    line-height: 1.8;
}

.installation-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 25px;
    height: 25px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

.installation-steps a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.installation-steps a:hover {
    text-decoration: underline;
}

.browser-options {
    list-style: none;
    margin: 10px 0 0 0;
    padding: 15px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    border-left: 3px solid #667eea;
    counter-reset: none;
}

.browser-options li {
    margin-bottom: 8px;
    padding: 0;
    position: relative;
    font-size: 0.95rem;
    color: #4a5568;
    counter-increment: none;
}

.browser-options li::before {
    display: none !important;
    content: none !important;
}

.browser-options li:last-child {
    margin-bottom: 0;
}

.browser-options code {
    background: #2d3748;
    color: #e2e8f0;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    margin-left: 5px;
}

.code-block {
    background: #2d3748;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    position: relative;
    font-family: 'Courier New', monospace;
}

.copy-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Privacy Section */
.privacy {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
}

.privacy-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.privacy-text h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.privacy-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.privacy-list {
    list-style: none;
    margin-bottom: 40px;
}

.privacy-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.privacy-list i {
    color: #48bb78;
    font-size: 1.2rem;
}

.privacy-link {
    color: #90cdf4;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.privacy-link:hover {
    border-color: #90cdf4;
}

.privacy-visual {
    text-align: center;
}

.privacy-icon {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.privacy-icon i {
    font-size: 5rem;
    color: #90cdf4;
}

/* Support Section */
.support {
    padding: 100px 0;
    background: #f8fafc;
    text-align: center;
}

.support-text {
    font-size: 1.2rem;
    color: #718096;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.support-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.support-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: white;
    color: #4a5568;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.support-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

/* Footer */
footer {
    background: #2d3748;
    color: #a0aec0;
    text-align: center;
    padding: 40px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .installation-methods {
        grid-template-columns: 1fr;
    }
    
    .browser-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 250px;
        justify-content: center;
    }
    
    .privacy-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .support-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}