/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 6rem auto 4rem;
    padding: 2rem;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 400px;
}

.guest-login {
    display: flex;
    gap: 0.5rem;
}

.guest-login input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.guest-login input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Chat Preview */
.hero-image {
    flex: 1;
    max-width: 500px;
}

.chat-preview {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    display: flex;
    margin: 0.5rem 0;
}

.chat-message.received {
    justify-content: flex-start;
}

.chat-message.sent {
    justify-content: flex-end;
}

.message-text {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    max-width: 80%;
}

.received .message-text {
    background: var(--background-light);
    color: var(--text-color);
}

.sent .message-text {
    background: var(--primary-color);
    color: var(--white);
}

/* Features Section */
.features {
    background: var(--background-light);
    padding: 4rem 2rem;
    text-align: center;
}

.features h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        margin-top: 5rem;
    }

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

    .hero-buttons {
        margin: 0 auto;
    }

    .hero-image {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 1rem;
        margin-top: 4rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .guest-login {
        flex-direction: column;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}