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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #121212;
    color: #FFFFFF;
    line-height: 1.6;
}

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

/* Navigation */
.navbar {
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.logo-icon {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-image {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #B3B3B3;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-links a:hover {
    color: #4CAF50;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #FFFFFF, #B3B3B3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #B3B3B3;
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #E0E0E0;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(76, 175, 80, 0.3);
}

.btn-large {
    padding: 1.125rem 2rem;
    font-size: 1.125rem;
}

/* Phone Mockup */
.phone-mockup {
    background: linear-gradient(135deg, #1E1E1E, #2A2A2A);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    max-width: 350px;
    margin: 0 auto;
}

.hero-screenshot {
    width: 100%;
    height: auto;
    border-radius: 30px;
    display: block;
}

.phone-screen {
    background: #121212;
    border-radius: 30px;
    overflow: hidden;
    aspect-ratio: 9/19.5;
}

.app-preview {
    padding: 2rem 1.5rem;
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.preview-logo {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
}

.preview-logo img {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: contain;
}

.preview-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.preview-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.preview-card {
    background: #1E1E1E;
    height: 80px;
    border-radius: 12px;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: linear-gradient(180deg, #121212, #1A1A1A);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: #B3B3B3;
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #1E1E1E;
    padding: 2rem;
    border-radius: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(76, 175, 80, 0.1);
    border-color: rgba(76, 175, 80, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #FFFFFF;
}

.feature-card p {
    color: #B3B3B3;
    line-height: 1.6;
}

/* Technical Specs */
.specs {
    padding: 80px 0;
    background: #121212;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.spec-item {
    background: #1E1E1E;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.spec-item h4 {
    color: #4CAF50;
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.spec-item p {
    color: #B3B3B3;
}

/* Screenshots - 3D Carousel */
.screenshots {
    padding: 120px 0;
    background: linear-gradient(180deg, #1A1A1A, #121212);
    overflow: hidden;
}

.screenshot-slider {
    position: relative;
    height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
    perspective: 1500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-track {
    position: relative;
    width: 350px;
    height: 600px;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.screenshot-item {
    position: absolute;
    width: 300px;
    height: 550px;
    left: 50%;
    top: 50%;
    transform-style: preserve-3d;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.screenshot-item img {
    width: 100%;
    height: 100%;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    border: 3px solid rgba(76, 175, 80, 0.3);
    transition: all 0.5s ease;
    backface-visibility: hidden;
}

.screenshot-item:hover img {
    border-color: rgba(76, 175, 80, 0.8);
    box-shadow: 0 30px 80px rgba(76, 175, 80, 0.3);
}

.screenshot-caption {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #B3B3B3;
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.5s ease;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.screenshot-item.active .screenshot-caption {
    opacity: 1;
    color: #4CAF50;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(76, 175, 80, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(76, 175, 80, 0.4);
    color: #4CAF50;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.prev-btn {
    left: 10%;
}

.next-btn {
    right: 10%;
}

.slider-btn:hover {
    background: rgba(76, 175, 80, 0.3);
    border-color: #4CAF50;
    transform: translateY(-50%) scale(1.15);
    box-shadow: 0 10px 30px rgba(76, 175, 80, 0.4);
}

.slider-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.slider-dots {
    display: none !important;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.2);
}

.dot.active {
    background: #4CAF50;
    width: 40px;
    border-radius: 6px;
    border-color: rgba(76, 175, 80, 0.5);
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.6);
}

@media (max-width: 1024px) {
    .screenshot-slider {
        height: 600px;
    }
    
    .slider-track {
        width: 300px;
        height: 500px;
    }
    
    .screenshot-item {
        width: 250px;
        height: 450px;
    }
    
    .prev-btn,
    .next-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .prev-btn {
        left: 5%;
    }
    
    .next-btn {
        right: 5%;
    }
}

@media (max-width: 768px) {
    .screenshot-slider {
        height: 500px;
    }
    
    .slider-track {
        width: 250px;
        height: 400px;
    }
    
    .screenshot-item {
        width: 200px;
        height: 380px;
    }
    
    .slider-btn {
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }
    
    .prev-btn {
        left: 2%;
    }
    
    .next-btn {
        right: 2%;
    }
}

/* Download Section */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, #1E1E1E, #2A2A2A);
}

.download-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download-content p {
    color: #B3B3B3;
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.download-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: #808080;
}

/* Support Section */
.support {
    padding: 80px 0;
    background: #121212;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.support-card {
    background: #1E1E1E;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.support-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.support-card p {
    color: #B3B3B3;
    margin-bottom: 1.5rem;
}

.support-card a {
    color: #4CAF50;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.support-card a:hover {
    color: #45a049;
}

/* Disclaimer */
.disclaimer {
    padding: 60px 0;
    background: rgba(255, 193, 7, 0.05);
    border-top: 2px solid rgba(255, 193, 7, 0.3);
    border-bottom: 2px solid rgba(255, 193, 7, 0.3);
}

.disclaimer-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.disclaimer-content h3 {
    color: #FFC107;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.disclaimer-content p {
    color: #E0E0E0;
    line-height: 1.8;
}

/* Footer */
.footer {
    background: #0A0A0A;
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section h4 {
    color: #4CAF50;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section p {
    color: #B3B3B3;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: #B3B3B3;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #4CAF50;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #808080;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .features-grid,
    .specs-grid,
    .support-grid {
        grid-template-columns: 1fr;
    }
}