/* หน้าแรก — โหลดเฉพาะหน้าแรก (_header.php)
   section_info_banner.php : บริการของเรา + จุดเด่น 3 ข้อ / section_4.php : ข้อมูลถัง IBC / widget-btn-contact.php : ปุ่มติดต่อ */
:root {
	--hm-blue: #1B96CF;
	--hm-blue-light: #39C0FF;
	--hm-blue-mid: #127DB0;
	--hm-blue-dark: #0B5E86;
	--hm-ink: #1d2733;
	--hm-muted: #5d6b78;
	--hm-line: #e3eef4;
	--hm-shadow: 0 10px 30px rgba(16, 90, 130, .08);
}

.home-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 6px 14px;
	border-radius: 999px;
	background: #e6f5fc;
	color: var(--hm-blue-dark);
	font-size: 14px;
	font-weight: 600;
}

/* ---------- บริการของเรา ---------- */
.home-services {
	padding: 60px 0 60px;
	background: linear-gradient(180deg, #f3fafe 0%, #FFF 100%);
}

.home-services-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 360px;
	gap: 30px;
	align-items: start;
}

/* H1 ของหน้าแรก = ชื่อเว็บจากหน้าแก้ไขข้อมูลระบบ (ให้ Google/AI รู้ว่าหน้านี้เกี่ยวกับอะไร) */
.home-h1 {
	font-size: 26px !important;
	line-height: 1.5 !important;
	font-weight: 700 !important;
	color: var(--hm-ink);
	margin: 14px 0 22px !important;
}

.home-gallery-card {
	padding: 10px;
	margin-bottom: 20px;
	border-radius: 22px;
	background: #FFF;
	border: 1px solid var(--hm-line);
	box-shadow: var(--hm-shadow);
}

/* ---------- ปุ่มติดต่อ (widget-btn-contact.php และปุ่มโทรในส่วนถัง IBC) ---------- */
/* ปุ่มที่เหลือในแถวสุดท้ายยืดเต็มความกว้าง */
.home-contact-btns {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.home-contact-btns .home-cbtn { flex: 1 1 190px; }

.home-cbtn {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px 18px;
	border-radius: 16px;
	color: #FFF !important;
	text-decoration: none !important;
	transition: transform .2s ease, box-shadow .2s ease;
}

.home-cbtn i { flex: none; font-size: 22px; }
.home-cbtn span { display: flex; flex-direction: column; min-width: 0; font-size: 16px; font-weight: 700; line-height: 1.3; }
.home-cbtn small { font-size: 12px; font-weight: 500; opacity: .85; }
.home-cbtn:hover { transform: translateY(-2px); }
.home-cbtn:focus-visible { outline: 3px solid #ffb400; outline-offset: 3px; }

.home-cbtn-tel { background: linear-gradient(135deg, var(--hm-blue-mid) 0%, var(--hm-blue-dark) 100%); box-shadow: 0 10px 22px rgba(18, 125, 176, .28); }
.home-cbtn-msg { background: linear-gradient(135deg, #0099FF 0%, #A033FF 100%); box-shadow: 0 10px 22px rgba(80, 90, 255, .25); }
.home-cbtn-line { background: #06C755; box-shadow: 0 10px 22px rgba(6, 199, 85, .25); }
.home-cbtn-line i { font-size: 26px; }

/* ---------- การ์ดเพจ Facebook ---------- */
.home-fb-card {
	border-radius: 22px;
	background: #FFF;
	border: 1px solid var(--hm-line);
	box-shadow: var(--hm-shadow);
	overflow: hidden;
}

.home-fb-head {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 14px 18px;
	background: #1877F2;
	color: #FFF;
	font-size: 16px;
	font-weight: 600;
}

.home-fb-head i { font-size: 20px; }

.home-fb-body {
	display: flex;
	justify-content: center;
	min-height: 120px;
	padding: 10px;
}

/* ก่อนยินยอมคุกกี้ Facebook (หรือโหลดไม่สำเร็จ) จะเห็นลิงก์ไปเพจแทน */
.home-fb-body blockquote {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 10px;
	min-height: 140px;
	margin: 0;
	padding: 14px 10px;
	border: 0;
	text-align: center;
}

.home-fb-body blockquote > a {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 20px;
	font-weight: 700;
	color: var(--hm-ink);
}

.home-fb-body blockquote > a i { color: #1877F2; font-size: 26px; }

.home-fb-note {
	max-width: 280px;
	font-size: 14px;
	line-height: 1.6;
	color: var(--hm-muted);
}

.home-fb-note a { color: var(--hm-blue-dark); text-decoration: underline; }

.home-fb-link {
	display: block;
	padding: 12px;
	text-align: center;
	border-top: 1px solid #eef2f6;
	color: #1877F2 !important;
	font-weight: 600;
}

.home-fb-link i { font-size: 13px; margin-left: 4px; }

/* ---------- เกี่ยวกับเรา + ภาพงานบริการ (พื้นภาพ + ฟ้าเข้ม) ---------- */
.home-about {
	position: relative;
	padding: 80px 0 70px;
	/* ฟ้าเข้มทับภาพพื้นหลัง ให้ตัวอักษรขาวอ่านง่าย */
	background:
		linear-gradient(135deg, rgba(11, 94, 134, .95) 0%, rgba(18, 125, 176, .9) 55%, rgba(27, 150, 207, .86) 100%),
		url("../img-content/bg1.jpg") center / cover no-repeat;
	color: #FFF;
	overflow: hidden;
}

/* วงแสงตกแต่ง */
.home-about::before {
	content: "";
	position: absolute;
	top: -180px;
	right: -140px;
	width: 460px;
	height: 460px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(57, 192, 255, .35) 0%, rgba(57, 192, 255, 0) 70%);
	pointer-events: none;
}

.home-about .container { position: relative; }

.home-about-head {
	max-width: 820px;
	margin: 0 auto 34px;
	text-align: center;
}

.home-about-logo {
	display: block;
	width: 110px;
	height: 110px;
	margin: 0 auto 18px;
	padding: 6px;
	border-radius: 50%;
	background: #FFF;
	box-shadow: 0 12px 30px rgba(0, 0, 0, .2);
}

.home-eyebrow.home-eyebrow-light {
	background: rgba(255, 255, 255, .16);
	border: 1px solid rgba(255, 255, 255, .28);
	color: #FFF;
}

.home-about h2 {
	font-size: 32px;
	line-height: 1.35;
	font-weight: 700;
	color: #FFF;
	margin: 14px 0 12px;
}

.home-about-head p {
	font-size: 18px;
	line-height: 1.8;
	color: rgba(255, 255, 255, .92);
	margin-bottom: 22px;
}

.home-about-points {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.home-about-points li {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 8px 16px;
	border-radius: 999px;
	background: rgba(255, 255, 255, .12);
	border: 1px solid rgba(255, 255, 255, .22);
	font-size: 15px;
	font-weight: 600;
}

.home-about-points i { color: #9fe3ff; }

/* แกลเลอรีในกรอบกระจก */
.home-about-gallery {
	padding: 12px;
	border-radius: 24px;
	background: rgba(255, 255, 255, .1);
	border: 1px solid rgba(255, 255, 255, .22);
	box-shadow: 0 20px 50px rgba(0, 0, 0, .18);
	-webkit-backdrop-filter: blur(6px);
	backdrop-filter: blur(6px);
}

/* ---------- จุดเด่น 3 ข้อ ---------- */
.home-features {
	padding: 70px 0;
	background: #f3fafe;
}

.home-features-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 24px;
}

.home-feature {
	display: flex;
	flex-direction: column;
	border-radius: 22px;
	background: #FFF;
	border: 1px solid var(--hm-line);
	box-shadow: var(--hm-shadow);
	overflow: hidden;
	transition: transform .25s ease, box-shadow .25s ease;
}

.home-feature:hover {
	transform: translateY(-5px);
	box-shadow: 0 20px 40px rgba(16, 90, 130, .14);
}

/* ภาพจุดเด่นเป็นภาพสี่เหลี่ยมจัตุรัสที่มีข้อความในภาพ จึงแสดงเต็มภาพ ไม่ครอป */
.home-feature-img {
	aspect-ratio: 1 / 1;
	overflow: hidden;
	background: #e9f3f8;
}

.home-feature-img img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform .5s ease;
}

.home-feature:hover .home-feature-img img { transform: scale(1.05); }

.home-feature-body {
	position: relative;
	display: flex;
	flex: 1;
	flex-direction: column;
	padding: 0 24px 24px;
}

/* ไอคอนลอยทับขอบภาพ */
.home-feature-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 56px;
	height: 56px;
	margin: -28px 0 14px;
	border-radius: 18px;
	background: linear-gradient(135deg, var(--hm-blue-light) 0%, var(--hm-blue-mid) 100%);
	border: 4px solid #FFF;
	color: #FFF;
	font-size: 21px;
	box-shadow: 0 8px 18px rgba(18, 125, 176, .3);
}

.home-feature h3 {
	font-size: 21px;
	line-height: 1.45;
	font-weight: 700;
	color: var(--hm-ink);
	margin-bottom: 8px;
}

.home-feature p {
	flex: 1;
	font-size: 15.5px;
	line-height: 1.75;
	color: var(--hm-muted);
	margin-bottom: 18px;
}

.home-feature-tel {
	align-self: flex-start;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 9px 16px;
	border-radius: 999px;
	background: #eef7fc;
	color: var(--hm-blue-dark) !important;
	font-size: 15px;
	font-weight: 600;
	text-decoration: none !important;
	transition: background .15s ease, color .15s ease;
}

.home-feature-tel:hover { background: var(--hm-blue-dark); color: #FFF !important; }

/* ---------- ข้อมูลถัง IBC (section_4.php) ---------- */
.ibc-section {
	padding: 70px 0;
	background: #FFF;
}

.ibc-layout {
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
	gap: 44px;
	align-items: center;
}

.ibc-gallery {
	padding: 10px;
	border-radius: 24px;
	background: #f6fafc;
	border: 1px solid var(--hm-line);
}

.ibc-info h2 {
	font-size: 32px;
	line-height: 1.35;
	font-weight: 700;
	color: var(--hm-ink);
	margin: 14px 0 10px;
}

.ibc-lead {
	font-size: 16px;
	line-height: 1.8;
	color: var(--hm-muted);
	margin-bottom: 20px;
}

.ibc-price {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 22px;
}

.ibc-price > div {
	flex: 1 1 140px;
	padding: 14px 18px;
	border-radius: 16px;
	background: linear-gradient(135deg, #f0f9fe 0%, #e3f3fb 100%);
	border: 1px solid #d3ecf8;
}

.ibc-price small { display: block; font-size: 13px; color: var(--hm-muted); }
.ibc-price strong { font-size: 30px; line-height: 1.25; color: var(--hm-blue-dark); }
.ibc-price span { margin-left: 4px; font-size: 14px; color: var(--hm-muted); }

.ibc-price p {
	flex-basis: 100%;
	margin: 0;
	font-size: 13px;
	color: var(--hm-muted);
}

.ibc-specs {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
	padding: 0;
	margin: 0 0 20px;
	list-style: none;
}

.ibc-specs li {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px 14px;
	border-radius: 14px;
	background: #FFF;
	border: 1px solid var(--hm-line);
}

.ibc-spec-icon {
	flex: none;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border-radius: 12px;
	background: #e6f5fc;
	color: var(--hm-blue-mid);
	font-size: 16px;
}

.ibc-spec-text { display: flex; flex-direction: column; min-width: 0; }
.ibc-spec-text small { font-size: 12px; color: var(--hm-muted); }
.ibc-spec-text strong { font-size: 14.5px; line-height: 1.45; color: var(--hm-ink); }

.ibc-uses {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	margin-bottom: 24px;
}

.ibc-uses-label { font-weight: 700; color: var(--hm-ink); margin-right: 4px; }

.ibc-use {
	padding: 6px 12px;
	border-radius: 999px;
	background: #e8f7ee;
	color: #16803c;
	font-size: 14px;
	line-height: 1.4;
}

.ibc-cta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 14px 22px;
}

.ibc-more { color: var(--hm-blue-dark) !important; font-weight: 600; }
.ibc-more i { font-size: 13px; margin-left: 4px; transition: transform .15s ease; }
.ibc-more:hover i { transform: translateX(3px); }

@media (prefers-reduced-motion: reduce) {
	.home-cbtn, .home-feature, .home-feature-img img, .ibc-more i { transition: none; }
}

/* ---------- แท็บเล็ต ---------- */
@media (max-width: 991px) {
	.home-services-layout { grid-template-columns: 1fr; }
	.home-fb-card { width: 100%; max-width: 520px; margin: 0 auto; }
	.home-features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.ibc-layout { grid-template-columns: 1fr; gap: 30px; }
}

/* ---------- มือถือ ---------- */
@media (max-width: 767px) {
	.home-services { padding: 36px 0 40px; }
	.home-h1 { font-size: 21px !important; }
	.home-contact-btns .home-cbtn { flex-basis: 100%; }
	.home-features { padding: 46px 0; }
	.home-about { padding: 50px 0 46px; }
	.home-about h2 { font-size: 24px; }
	.home-about-head p { font-size: 16px; }
	.home-about-logo { width: 88px; height: 88px; }
	.home-about-gallery { padding: 8px; border-radius: 18px; }
	.home-features-grid { grid-template-columns: 1fr; gap: 18px; }
	.ibc-section { padding: 46px 0; }
	.ibc-info h2 { font-size: 26px; }
	.ibc-price strong { font-size: 24px; }
	.ibc-specs li { padding: 10px; gap: 10px; }
	.ibc-spec-icon { width: 32px; height: 32px; font-size: 14px; }
	.ibc-spec-text strong { font-size: 13.5px; }
	.ibc-cta .home-cbtn { flex: 1 1 100%; }
}