/**
 * Button Components
 * Reusable button styles for NUNEXX Climatização
 */

/* Base Button */
.btn-base {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-base::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn-base:hover::before {
    left: 100%;
}

/* Primary Button */
.btn-primary-custom {
    /* Base button styles */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    
    /* Primary specific styles */
    background: var(--gradient-action);
    color: var(--white);
    padding: 18px 40px;
    font-size: var(--font-size-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-medium);
}

.btn-primary-custom:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(133, 153, 176, 0.3);
    color: var(--white);
}

/* WhatsApp Button */
.whatsapp-btn {
    /* Base button styles */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    
    /* WhatsApp specific styles */
    background: var(--gradient-success);
    color: white;
    padding: 12px 24px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    border: 1px solid rgba(37, 211, 102, 0.2);
}

.whatsapp-btn:hover {
    background: linear-gradient(135deg, var(--action-green-dark) 0%, #075A25 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    color: white;
}

/* Submit Button */
.btn-submit {
    /* Base button styles */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    
    /* Submit specific styles */
    background: var(--gradient-action);
    color: var(--white);
    padding: 18px 50px;
    font-size: 1.2rem;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-medium);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(133, 153, 176, 0.4);
}

/* Floating Action Buttons */
.floating-btn {
    /* Base button styles */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    overflow: hidden;
    
    /* Floating specific styles */
    position: fixed;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    z-index: 1000;
    box-shadow: var(--shadow-heavy);
    opacity: 0;
    transform: translateX(100px);
    transition: all var(--transition-base);
}

.floating-btn.visible {
    opacity: 1;
    transform: translateX(0);
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-accent);
}

.btn-base:focus-visible,
.btn-primary-custom:focus-visible,
.whatsapp-btn:focus-visible,
.btn-submit:focus-visible,
.floating-btn:focus-visible {
    outline: 3px solid var(--focus-color);
    outline-offset: 3px;
    box-shadow: 0 0 0 2px var(--brand-dark);
}