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

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

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

/* Navigation */
nav {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-social {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.social-nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.3s;
}

.social-nav-link:hover {
    transform: translateY(-2px);
}

.nav-social-icon {
    width: 24px;
    height: 24px;
    transition: all 0.3s;
}

.nav-social-icon.instagram {
    color: #E4405F;
}

.nav-social-icon.instagram:hover {
    color: #C13584;
}

.nav-social-icon.facebook {
    color: #1877f2;
}

.nav-social-icon.facebook:hover {
    color: #166fe5;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #2563eb;
}

.cta-button {
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

/* Language Bar */
.language-bar {
    background: linear-gradient(135deg, #f0f4ff 0%, #fafbff 100%);
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 0;
    position: sticky;
    top: 73px;
    z-index: 99;
}

.language-bar-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.language-label {
    font-size: 1rem;
    font-weight: 600;
    color: #2563eb;
    white-space: nowrap;
}

.language-flags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.flag-button {
    background: white;
    border: 2px solid #e5e7eb;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    min-width: 80px;
}

.flag-button:hover {
    border-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.flag-button.active {
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    border-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.flag-button .flag {
    font-size: 2rem;
    line-height: 1;
}

.flag-button .lang-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: #555;
}

.flag-button.active .lang-name {
    color: white;
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, #fafbff 0%, #f0f4ff 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.tagline {
    font-size: 1.5rem;
    color: #555;
    margin-bottom: 1rem;
    font-weight: 600;
}

.description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.share-highlight {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    box-shadow: 0 5px 20px rgba(37, 99, 235, 0.1);
}

.share-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.share-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    min-width: 120px;
}

.share-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, #f0f4ff, #e0e7ff);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #2563eb;
}

.share-step span {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2563eb;
    text-align: center;
}

.flow-arrow {
    font-size: 1.5rem;
    color: #2563eb;
    font-weight: bold;
}

.hero-buttons {
    display: flex;
    justify-content: flex-start;
}

.primary-button {
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.secondary-button {
    background: white;
    color: #2563eb;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid #2563eb;
    transition: all 0.3s;
    display: inline-block;
}

.secondary-button:hover {
    background: #2563eb;
    color: white;
}

/* Video Container */
.video-container {
    width: 280px;
    height: 600px;
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    border-radius: 40px;
    padding: 0;
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.3);
    margin: 0 auto;
    overflow: hidden;
}

.demo-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 40px;
    background: #000;
    display: block;
}

/* Phone Mockup (Fallback) */
.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.3);
    margin: 0 auto;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-preview {
    text-align: center;
}

.app-preview .icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.app-preview p {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2563eb;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: linear-gradient(135deg, #fafbff 0%, #f0f4ff 100%);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2563eb;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #e5e7eb;
}

.feature-card.featured {
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    color: white;
    transform: scale(1.05);
}

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

.feature-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.3);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2563eb;
}

.feature-card.featured h3 {
    color: white;
}

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

.feature-card.featured p {
    color: rgba(255, 255, 255, 0.9);
}

/* How It Works */
.how-it-works {
    padding: 5rem 0;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2563eb;
}

.workflow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.workflow-step {
    background: linear-gradient(135deg, #f0f4ff 0%, #fafbff 100%);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: 220px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.step-visual {
    position: relative;
    margin-bottom: 1rem;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0 auto 0.5rem;
    position: relative;
    z-index: 2;
}

.step-icon {
    font-size: 2rem;
    opacity: 0.7;
}

.workflow-step h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #2563eb;
}

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

.workflow-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #2563eb;
}

.arrow-line {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, #4a90e2, #2563eb);
    margin-bottom: 0.5rem;
}

.arrow-head {
    font-size: 1.5rem;
    font-weight: bold;
}

/* Voice Showcase */
.voice-showcase {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f0f4ff 0%, #fafbff 100%);
}

.voice-showcase h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2563eb;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
}

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

.voice-feature {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.voice-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.voice-feature h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #2563eb;
}

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

/* Share Integration */
.share-integration {
    padding: 5rem 0;
    background: white;
}

.share-integration h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2563eb;
}

.app-showcase {
    max-width: 900px;
    margin: 0 auto 4rem;
}

.app-category h3 {
    font-size: 1.5rem;
    color: #2563eb;
    margin-bottom: 1.5rem;
    text-align: center;
}

.app-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    justify-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.app-item {
    background: #fafbff;
    padding: 1.5rem 1rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid #e5e7eb;
    transition: transform 0.3s, box-shadow 0.3s;
    width: 100%;
    max-width: 120px;
}

.app-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
}

.app-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.app-item span {
    font-weight: 600;
    color: #2563eb;
    font-size: 0.9rem;
}

.share-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    background: linear-gradient(135deg, #f0f4ff 0%, #fafbff 100%);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid #e5e7eb;
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-item h4 {
    font-size: 1.3rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

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

/* Use Cases */
.use-cases {
    padding: 5rem 0;
    background: white;
}

.use-cases h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2563eb;
}

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

.use-case {
    background: #fafbff;
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid #e5e7eb;
    transition: transform 0.3s;
}

.use-case:hover {
    transform: translateY(-5px);
}

.use-case h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2563eb;
}

.use-case p {
    color: #666;
}

/* Download Section */
.download {
    padding: 5rem 0;
    background: linear-gradient(135deg, #4a90e2, #2563eb);
    color: white;
    text-align: center;
}

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

.download-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.store-button {
    background: white;
    color: #2563eb;
    padding: 1rem 2rem;
    border-radius: 15px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    min-width: 200px;
}

.store-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.store-icon {
    width: 40px;
    height: 40px;
}

.store-text {
    font-size: 0.8rem;
    text-align: left;
}

.store-name {
    font-size: 1.2rem;
    font-weight: bold;
    text-align: left;
}

.free-trial {
    font-size: 1rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    display: flex !important;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: 10px;
    transition: all 0.3s;
    margin-bottom: 0 !important;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.social-icon {
    width: 24px;
    height: 24px;
    transition: all 0.3s;
}

.social-icon.instagram {
    color: #E4405F;
}

.social-icon.facebook {
    color: #1877f2;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .share-flow {
        flex-direction: column;
        gap: 1.5rem;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .video-container {
        width: 250px;
        height: 500px;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a:not(.cta-button):not(.social-nav-link) {
        display: none;
    }

    .nav-social {
        gap: 0.5rem;
    }

    .nav-social-icon {
        width: 20px;
        height: 20px;
    }

    .workflow {
        flex-direction: column;
    }

    .workflow-arrow {
        transform: rotate(90deg);
    }

    .arrow-line {
        width: 30px;
        height: 2px;
        background: linear-gradient(to right, #4a90e2, #2563eb);
    }
    
    .app-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .app-item {
        padding: 1rem 0.5rem;
        max-width: none;
    }
    
    .app-icon {
        font-size: 2rem;
    }
    
    /* Language Bar Mobile */
    .language-bar {
        padding: 0.75rem 0;
    }
    
    .language-bar-content {
        gap: 0.75rem;
    }
    
    .language-label {
        font-size: 0.9rem;
        width: 100%;
        text-align: center;
    }
    
    .language-flags {
        gap: 0.5rem;
    }
    
    .flag-button {
        min-width: 70px;
        padding: 0.4rem 0.6rem;
    }
    
    .flag-button .flag {
        font-size: 1.5rem;
    }
    
    .flag-button .lang-name {
        font-size: 0.65rem;
    }
}