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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
    overflow-x: hidden;
    position: relative;
}

.decorative-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.circle-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(255, 165, 2, 0.1) 100%);
    top: -100px;
    right: -100px;
}

.circle-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(255, 165, 2, 0.08) 0%, rgba(255, 107, 107, 0.08) 100%);
    bottom: 200px;
    left: -150px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa502 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-download.ios {
    background: #000;
    color: #fff;
}

.btn-download.ios:hover {
    background: #333;
}

.btn-download.android {
    background: #fff;
    color: #000;
    border: 1px solid #ddd;
}

.btn-download.android:hover {
    background: #f5f5f5;
    border-color: #ccc;
}

.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10rem 2rem 6rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa502 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2rem;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa502 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.5);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #000;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding: 1rem;
}

.chat-preview {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.message-bubble {
    max-width: 70%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    font-size: 0.9rem;
}

.message-bubble.left {
    background: #f0f0f0;
    color: #333;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message-bubble.right {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa502 100%);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.features {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    position: relative;
    z-index: 1;
}

.feature-item {
    text-align: center;
}

.feature-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.feature-image:hover {
    transform: scale(1.02);
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.feature-item p {
    color: #666;
    font-size: 1rem;
}

.cta {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa502 100%);
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

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

.cta-buttons .btn-download.android {
    background: #fff;
    color: #000;
}

.cta-buttons .btn-download.android:hover {
    background: #f0f0f0;
}

.footer {
    text-align: center;
    padding: 2rem;
    color: #999;
    font-size: 0.9rem;
}

.icp-info {
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

.icp-link {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-link:hover {
    color: #ff6b6b;
}

.separator {
    margin: 0 0.75rem;
    color: #ddd;
}

@media (max-width: 768px) {
    .nav {
        padding: 1rem;
    }

    .download-buttons {
        display: none;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 8rem 1rem 4rem;
        text-align: center;
        gap: 3rem;
    }

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

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

    .features {
        grid-template-columns: 1fr;
        padding: 4rem 1rem;
    }

    .cta {
        padding: 4rem 1rem;
    }

    .cta h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}