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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.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;
    transition: all 0.3s ease;
    border-bottom: 1px solid 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;
    font-size: 1.5rem;
    font-weight: 700;
    color: #3B82F6;
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #3B82F6;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3B82F6;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.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 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: #EF4444;
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-primary:hover {
    background: #DC2626;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.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);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.hero-stats {
    display: flex;
    gap: 40px;
    animation: fadeInUp 1s ease 0.6s both;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

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

/* Phone Mockup */
.phone-mockup {
    display: flex;
    justify-content: center;
    animation: fadeInUp 1s ease 0.8s both;
}

.phone-screen {
    width: 280px;
    height: 560px;
    background: #000;
    border-radius: 40px;
    padding: 20px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.app-preview {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 25px;
    padding: 20px;
    color: white;
    position: relative;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.app-time {
    font-weight: 600;
}

.app-content h4 {
    opacity: 0.8;
    margin-bottom: 5px;
}

.app-content h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.quick-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.action-card {
    background: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.action-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3B82F6, #1D4ED8);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

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

.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 80px;
    right: 80px;
    height: 2px;
    background: linear-gradient(90deg, #3B82F6, #8B5CF6);
    z-index: 1;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
}

.step p {
    color: #6b7280;
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    color: white;
}

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

.download-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.download-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.download-features {
    margin-bottom: 40px;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.download-feature i {
    color: #10B981;
    font-size: 1.2rem;
}

.download-note {
    margin-top: 20px;
    font-size: 0.9rem;
    opacity: 0.7;
    display: flex;
    align-items: center;
    gap: 10px;
}

.download-preview {
    display: flex;
    justify-content: center;
}

.preview-phone {
    width: 200px;
    height: 400px;
    background: #000;
    border-radius: 30px;
    padding: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.preview-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 20px;
}

.preview-app {
    color: white;
}

.preview-header {
    text-align: center;
    font-weight: 600;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.preview-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.preview-stat {
    background: rgba(255, 255, 255, 0.2);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

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

/* Footer */
.footer {
    background: #1f2937;
    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 {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-logo i {
    margin-right: 10px;
    color: #3B82F6;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #3B82F6;
}

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

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #3B82F6;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #3B82F6;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    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: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

.modal-header {
    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
    color: white;
    padding: 30px;
    border-radius: 20px 20px 0 0;
    text-align: center;
}

.modal-header i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-body {
    padding: 30px;
}

.modal-body p {
    margin-bottom: 20px;
    color: #6b7280;
}

.download-info {
    margin-top: 30px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 10px;
}

.download-info h4 {
    margin-bottom: 15px;
    color: #1f2937;
}

.download-info ol {
    color: #6b7280;
    padding-left: 20px;
}

.download-info li {
    margin-bottom: 8px;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: white;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        flex-direction: column;
        gap: 30px;
    }
    
    .steps-container::before {
        display: none;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .download-text h2 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .btn-large {
        padding: 15px 25px;
        font-size: 1rem;
    }
}