/* ====================================================== */
/* FOOTER STYLES
/* ====================================================== */
.main-footer {
	background-color: #5e7783;
	color: #fff;
	padding: 50px 0 0 0;
}

.main-footer p, .main-footer a {
	color: #fff;
	font-size: 0.9rem;
}

.footer-grid {
	display: grid;
	grid-template-columns: 1fr 1.5fr;
	gap: 40px;
	padding-bottom: 50px;
}

.footer-row-1 {
	display: flex;
	align-items: center;
	gap: 20px;
	margin-bottom: 20px;
	justify-content: flex-end;
}

.footer-row-1 img.footer-logo{
	width:120px;
	height:auto;
}

p.company-info{
	font-size: .9rem;
}

.social-icons{
	display: flex;
}

.social-icons a {
	width:22px;
	height:22px;
	display: block;
	margin: 0 10px;
	font-size: 1.2rem;
}

.social-icons a img.hover{
	display: none;
}

.social-icons a img.unhover{
	display: block;
}


.social-icons a:hover img.hover{
	display: block;
}

.social-icons a:hover img.unhover{
	display: none;
}

.social-icons a[aria-label="line"]{
	margin:0;
}

.footer-right {
	display: flex;
	justify-content: space-between;
}

.footer-nav-column.borderLine{
	border-left: 1px solid #dddddd;
	padding-left:1rem;
}

.footer-nav-column h4 {
	margin-bottom: 15px;
	font-size: .9rem;
}

.footer-nav-column a {
	display: block;
	margin-bottom: 8px;
	font-size: .8rem;
	opacity: 0.8;
}

.footer-nav-column a:hover {
	opacity: 1;
}

.footer-mobile-buttons {
	display: none;
}

.footer-row-2 img.companyName{
	width:73%;
	margin-bottom:1rem;
}


/* --- 社群按鈕網格 (social-grid) --- */
.social-grid {
	display: flex;
	justify-content: center; /* 橫式排列並置中 */
	align-items: center;
	gap: 15px;               /* 圖標之間的間距 */
	margin:0;          /* 上下留點邊距 */
	margin-bottom:2rem;
}

/* --- a 連結設定：嚴格執行 40px x 40px --- */
.social-grid a {
	display: flex;
	justify-content: center;
	align-items: center;
	
	width: 30px;            /* 指定寬度 40px */
	height: 30px;           /* 指定高度 40px */

	transition: all 0.3s ease;
}

/* --- 圖片設定 --- */
.social-grid a img {

	object-fit: contain;    /* 保持比例不變形 */
}

/* --- 懸停效果 (Hover) --- */
.social-grid a:hover {
	/* background-color: #0056b3;  */
	transform: translateY(-3px);
	box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}


/* ====================================================== */
/* FOOTER RWD STYLES
/* ====================================================== */
@media (max-width: 992px) {
	.footer-grid {
		grid-template-columns: 1fr;
		text-align: center;
	}
	.footer-row-1 {
		flex-direction: column;
	}
	.footer-right {
		display: block;
	}
}

@media (max-width: 767px) {
	
	.social-grid {
		gap:20px;
		margin-bottom:1rem;
	}
	
	.social-grid a {
		width: 30px;            /* 指定寬度 40px */
		height: 30px;           /* 指定高度 40px */
	}
	
	.social-grid a img{
		width:100%;
		height:auto;
	}

	
	.main-footer { 
		padding:40px 0 20px 0; 
	}
	
	.footer-grid { 
		gap:0;
		padding: 30px 0; 
		padding-bottom:60px;
	}

	.footer-mobile-buttons {
		display: flex;
		width:100%;
		position: fixed;
		bottom:0;
		z-index: 9;
	}
	.btn-mobile-footer {
		flex: 1;
		padding: 15px;
		text-align: center;
		font-weight: bold;
	}
	
	.footer-row-1 img.footer-logo{
		width:120px;
		height:auto;
	}
	
	.footer-row-2 img.companyName{
		width:94%;
		margin:0 auto;
		margin-bottom:1rem;
	}
	
	.main-footer a.footer-btn-contact {
		background-color: var(--light-gray-color);
		color: rgb(var(--primary-color-rgb)); 
	}
	
	.main-footer p, .main-footer a {
		font-size: .8rem;
	}
	
	.footer-btn-contact .fa-solid { color: rgb(var(--primary-color-rgb));  }
	.footer-btn-phone {
		background-color: rgb(var(--primary-color-rgb)); 
		color: var(--white-color);
	}
	.footer-btn-phone .fa-solid { color: var(--white-color); }
}