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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    background: #f8f9fa;
    color: #1d1d1f;
    line-height: 1.5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 20px;
    text-align: center;
}

h1 {
    font-size: 72px;
    font-weight: 400;
    margin-bottom: 24px;
    color: #1d1d1f;
    letter-spacing: -0.02em;
}

.word {
    display: inline-block;
    margin-right: 0.2em;
    filter: blur(8px);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.word.visible {
    filter: blur(0);
    opacity: 1;
    transform: translateY(0);
}

.word em {
    font-style: italic;
    color: #007aff;
}

.subtitle {
    font-size: 20px;
    color: #6e6e73;
    margin-bottom: 80px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.phone-hero {
    margin: 80px 0;
}

.hero-image {
    max-width: 100%;
    height: auto;
    max-height: 600px;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s ease, transform 1s ease;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.hero-image.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Recognition Badges */
.recognition-badges {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin: 60px 0;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    padding: 16px 24px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e5e7;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.badge.visible {
    opacity: 1;
    transform: translateY(0);
}

.badge-logo {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.badge span {
    font-size: 14px;
    font-weight: 500;
    color: #1d1d1f;
}

/* Video Section */
.video-section {
    margin: 100px 0;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.video-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.video-section h2 {
    font-size: 36px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 40px;
    letter-spacing: -0.01em;
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Features Section */
.features-section {
    margin: 100px 0;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.features-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.features-section h2 {
    font-size: 36px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 60px;
    letter-spacing: -0.01em;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.feature {
    background: white;
    padding: 32px 24px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e5e7;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.feature.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.feature h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 12px;
}

.feature p {
    font-size: 16px;
    color: #6e6e73;
    line-height: 1.4;
}

/* Technology Section */
.tech-section {
    margin: 100px 0 40px 0;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.tech-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.tech-section h2 {
    font-size: 36px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 40px;
    letter-spacing: -0.01em;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 24px;
    max-width: 600px;
    margin: 0 auto;
}

.tech-logo {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    opacity: 0;
    transform: scale(0.8) translateY(20px);
    transition: all 0.6s ease;
    justify-self: center;
    cursor: pointer;
}

.tech-logo.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.tech-logo:hover {
    transform: scale(1.1) translateY(-4px);
}

/* Download Button */
.download-btn {
    display: inline-block;
    background: #007aff;
    color: white;
    padding: 16px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.2s ease;
    margin-top: 60px;
    opacity: 0;
    transform: translateY(20px);
}

.download-btn.visible {
    opacity: 1;
    transform: translateY(0);
}

.download-btn:hover {
    background: #0056cc;
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 122, 255, 0.3);
}

/* Footer */
footer {
    background: white;
    padding: 60px 20px;
    text-align: center;
    border-top: 1px solid #e5e5e7;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

.footer-logo .logo-image {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.footer-logo span {
    font-size: 20px;
    font-weight: 600;
    color: #1d1d1f;
}

.developers {
    margin: 24px 0;
}

.developers p {
    font-size: 14px;
    color: #6e6e73;
    margin-bottom: 8px;
}

.disclaimer {
    font-size: 12px;
    color: #6e6e73;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 56px;
    }
    
    .subtitle {
        font-size: 18px;
        margin-bottom: 60px;
    }
    
    .container {
        padding: 60px 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .recognition-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    
    .tech-logo {
        width: 40px;
        height: 40px;
    }
    
    .video-section h2,
    .features-section h2,
    .tech-section h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 42px;
    }
    
    .subtitle {
        font-size: 16px;
    }
    
    .download-btn {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .badge {
        padding: 12px 20px;
    }
    
    .badge span {
        font-size: 12px;
    }
    
    .feature {
        padding: 24px 20px;
    }
    
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}