:root {
    --primary-red: #ff4444;
    --hover-red: #e03838;
    --text-light: rgba(255, 255, 255, 0.9);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f8f9fa;
}

.top-header {
    background: linear-gradient(135deg, var(--primary-red) 0%, #ff6b6b 100%);
    color: white;
    padding: 8px 0;
    box-shadow: 0 2px 10px rgba(255, 68, 68, 0.3);
    position: relative;
    overflow: hidden;
}

.top-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
    color: white;
    transition: transform 0.3s ease;
}

.logo:hover {
    color: white;
    transform: scale(1.05);
}

.logo i {
    background: white;
    color: var(--primary-red);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    font-size: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.tagline {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 400;
    letter-spacing: 0.5px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.cart-icon {
    color: white;
    font-size: 1.1rem;
    text-decoration: none;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.cart-icon:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.auth-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.auth-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.0rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.auth-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-get-started {
    background: white;
    color: var(--primary-red);
    border: none;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn-get-started:hover {
    color: var(--primary-red);
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.divider {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.3);
    margin: 0 5px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .top-header {
        padding: 12px 0;
    }

    .tagline {
        font-size: 0.8rem;
        margin-top: 2px;
    }

    .header-actions {
        gap: 10px;
    }

    .auth-links {
        gap: 8px;
    }

    .auth-link {
        font-size: 1.1rem;
        padding: 5px 8px;
    }

    .btn-get-started {
        padding: 6px 16px;
        font-size: 0.8rem;
    }

    .divider {
        display: none;
    }
}

@media (max-width: 576px) {
    .logo {
        font-size: 1.1rem;
    }

    .logo i {
        width: 28px;
        height: 28px;
        margin-right: 8px;
        font-size: 14px;
    }

    .tagline {
        font-size: 0.75rem;
    }

    .header-actions {
        gap: 8px;
    }

    .auth-link {
        font-size: 1.1rem;
        padding: 4px 6px;
    }

    .btn-get-started {
        padding: 5px 12px;
        font-size: 0.75rem;
    }

    .cart-icon {
        font-size: 1rem;
        padding: 6px;
    }
}

@media (max-width: 480px) {
    .container-fluid {
        padding: 0 10px;
    }

    .tagline {
        display: none;
    }

    .auth-links {
        flex-direction: column;
        gap: 4px;
    }

    .auth-link {
        font-size: 1.1rem;
        padding: 3px 5px;
    }

    .btn-get-started {
        padding: 4px 10px;
        font-size: 0.7rem;
    }
}

/* Content section for demo */
.content-section {
    padding: 60px 0;
    text-align: center;
}

.content-section h1 {
    color: #333;
    margin-bottom: 20px;
    font-weight: 700;
}

.content-section p {
    color: #666;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}