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

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #22c55e;
}

.nav-logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #22c55e;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
#hero {
    padding: 120px 150px 80px;
    display: flex;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(180deg, #9FE58C 0%, #3A9CAB 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #16a34a;
    color: white;
}

.btn-primary:hover {
    background: #15803d;
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

.playstore-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 20px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.playstore-notice i {
    font-size: 1.2rem;
    color: #4ade80;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

/* Features Section */
#features {
    padding: 80px 0;
    background: white;
}

#features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #f8fafc;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* How It Works Section */
#how-it-works {
    padding: 80px 0;
    background: #f8fafc;
}

#how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.steps {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.step p {
    color: #666;
    line-height: 1.6;
}

/* Installation Section */
#installation {
    padding: 80px 0;
    background: white;
}

#installation h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.installation-tabs {
    max-width: 800px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 30px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.tab-btn.active {
    color: #22c55e;
    border-bottom-color: #22c55e;
}

.tab-btn:hover {
    color: #22c55e;
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-pane h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: #333;
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.install-step h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.install-step h4 i {
    color: #22c55e;
}

.install-step p {
    color: #666;
    margin-bottom: 15px;
}

.code-block {
    position: relative;
    background: #1e293b;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 8px;
    font-family: 'Fira Code', 'Courier New', monospace;
    margin: 15px 0;
    overflow-x: auto;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #374151;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: #4b5563;
}

.playstore-coming-soon {
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    color: white;
    padding: 20px;
    border-radius: 8px;
    margin-top: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.playstore-coming-soon i {
    font-size: 1.5rem;
}

/* Usage Section */
#usage {
    padding: 80px 0;
    background: #f8fafc;
}

#usage h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.usage-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.usage-step {
    text-align: center;
}

.usage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.usage-icon i {
    font-size: 2rem;
    color: white;
}

.usage-step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.usage-step p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Download Section */
#download {
    padding: 80px 0;
    background: white;
}

#download h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #22c55e;
    margin-bottom: 15px;
}

.download-card {
    background: #f8fafc;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid #e2e8f0;
    text-decoration: none;
    color: inherit;
    position: relative;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: #22c55e;
}

.download-card.coming-soon {
    opacity: 0.7;
    cursor: not-allowed;
}

.download-card.coming-soon:hover {
    transform: none;
    border-color: #e2e8f0;
}

.download-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.download-icon i {
    font-size: 1.8rem;
    color: white;
}

.download-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.download-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.download-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #22c55e;
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.download-card.coming-soon .download-badge {
    background: #f59e0b;
}

/* Footer */
footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

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



.footer-logo i {
    font-size: 1.8rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

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

.footer-section ul li a:hover {
    color: #22c55e;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    #hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 0 60px;
    }
    
    .hero-image {
        margin-top: 40px;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .tab-buttons {
        flex-direction: column;
    }
    
    .tab-btn {
        border-bottom: 1px solid #e2e8f0;
        border-radius: 0;
    }
    
    .tab-btn.active {
        border-bottom-color: #22c55e;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .usage-steps {
        grid-template-columns: 1fr;
    }
    
    .download-options {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    #features h2,
    #how-it-works h2,
    #installation h2,
    #usage h2,
    #download h2 {
        font-size: 2rem;
    }
    
    .feature-card,
    .download-card {
        padding: 30px 20px;
    }
}