/* ==========================================================================
   Bally Dental — main.css
   Font: dùng system-font stack đọc hiện đại; có thể self-host "Be Vietnam Pro"
   sau này (xem CHANGELOG mục gợi ý cải tiến) — không phụ thuộc CDN ngoài.
   ========================================================================== */

:root {
	/* Màu sắc thương hiệu */
	--color-primary-light: #F8BBD0;
	--color-primary-lighter: #FADADD;
	--color-bg-soft: #FFF4F7;
	--color-white: #FFFFFF;
	--color-accent: #D94F8A;
	--color-accent-dark: #C83F7C;
	--color-text: #2E2E38;
	--color-bg-alt: #FFF8FA;
	--color-bg-alt2: #FFF1F5;
	--color-muted: #7A7A88;
	--color-border: #F1DCE3;

	/* Bo góc / bóng đổ */
	--radius-card: 24px;
	--radius-pill: 999px;
	--radius-sm: 12px;
	--shadow-soft: 0 10px 30px rgba(217, 79, 138, 0.10);
	--shadow-hover: 0 16px 40px rgba(217, 79, 138, 0.18);

	/* Khoảng cách */
	--space-section: 88px;
	--container-width: 1200px;

	/* Font: stack hệ thống hiện đại, không cần webfont CDN.
	   Gợi ý: self-host "Be Vietnam Pro" (woff2) trong assets/fonts/ và
	   khai báo @font-face phía trên nếu muốn đồng bộ 100% với thiết kế gốc. */
	--font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Be Vietnam Pro", Roboto, Helvetica, Arial, sans-serif;
}

/* ==========================================================================
   Reset / Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--font-base);
	color: var(--color-text);
	background: var(--color-white);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 16px; line-height: 1.25; font-weight: 700; }
p { margin: 0 0 16px; color: var(--color-text); }
button { font-family: inherit; cursor: pointer; }

.container {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 24px;
}

.section-title {
	font-size: clamp(26px, 3vw, 36px);
	text-align: center;
	margin-bottom: 8px;
}
.section-subtitle {
	text-align: center;
	color: var(--color-muted);
	max-width: 640px;
	margin: 0 auto 40px;
}

section { padding: var(--space-section) 0; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 28px;
	border-radius: var(--radius-pill);
	font-weight: 600;
	font-size: 16px;
	border: none;
	min-height: 48px;
	transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.btn-primary {
	background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
	color: var(--color-white);
	box-shadow: var(--shadow-soft);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-secondary {
	background: transparent;
	color: var(--color-accent-dark);
	border: 2px solid var(--color-primary-light);
}
.btn-secondary:hover { background: var(--color-bg-alt2); }
.btn-white {
	background: var(--color-white);
	color: var(--color-accent-dark);
}
.btn-white:hover { transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; min-height: 40px; font-size: 14px; }
.btn-topbar {
	background: var(--color-white);
	color: var(--color-accent-dark);
	padding: 8px 18px;
	min-height: 36px;
	font-size: 14px;
}

/* ==========================================================================
   Top bar
   ========================================================================== */
.topbar {
	background: var(--color-accent-dark);
	color: var(--color-white);
	font-size: 14px;
}
.topbar__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 8px 24px;
	gap: 12px;
	flex-wrap: wrap;
}
.topbar__info { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.topbar__phone { display: flex; align-items: center; gap: 6px; font-weight: 600; }
.topbar__phone svg { width: 16px; height: 16px; }
.topbar__hours { opacity: 0.9; }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--color-white);
	border-bottom: 1px solid var(--color-border);
	transition: box-shadow 0.2s ease;
}
.site-header.is-scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 24px;
	gap: 24px;
}
.site-logo__text {
	font-size: 28px;
	font-weight: 800;
	color: var(--color-accent-dark);
}
.site-logo__dot { color: var(--color-accent); }
.site-logo__text--footer { color: var(--color-white); }

.main-nav__list {
	display: flex;
	align-items: center;
	gap: 28px;
}
.main-nav__list > li { position: relative; }
.main-nav__list > li > a {
	font-weight: 600;
	padding: 10px 0;
	display: inline-block;
}
.main-nav__list > li > a:hover { color: var(--color-accent-dark); }

.mega-menu {
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translate(-50%, 8px);
	background: var(--color-white);
	border-radius: var(--radius-sm);
	box-shadow: var(--shadow-soft);
	padding: 20px 0;
	min-width: 320px;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
	z-index: 50;
}
.menu-item-has-children:hover .mega-menu,
.menu-item-has-children:focus-within .mega-menu {
	opacity: 1;
	visibility: visible;
	transform: translate(-50%, 0);
}
.mega-menu__col { padding: 0 4px; }
.mega-menu__hub {
	display: block;
	margin: 0 20px 8px;
	padding-bottom: 10px;
	font-weight: 700;
	color: var(--color-accent-dark);
	border-bottom: 1px solid var(--color-border);
}
.mega-menu ul li a {
	display: block;
	padding: 10px 20px;
	font-weight: 500;
	white-space: nowrap;
}
.mega-menu ul li a:hover { background: var(--color-bg-alt2); color: var(--color-accent-dark); }

/* Mobile menu — accordion cho submenu cụm bài viết (selector cụ thể hơn để
   thắng các quy tắc chung .mobile-menu__list li a khai báo phía dưới) */
.mobile-menu__list li.has-submenu { border-bottom: none; }
.mobile-menu__list .mobile-menu__row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	border-bottom: 1px solid var(--color-border);
}
.mobile-menu__list .mobile-menu__row a {
	flex: 1;
	border-bottom: none;
	padding: 16px 0;
}
.submenu-toggle {
	background: var(--color-bg-alt2);
	border: none;
	width: 44px;
	height: 44px;
	border-radius: 50%;
	font-size: 20px;
	line-height: 1;
	color: var(--color-accent-dark);
	flex-shrink: 0;
	transition: transform 0.2s ease, background 0.2s ease;
}
.has-submenu.is-open .submenu-toggle {
	transform: rotate(45deg);
	background: var(--color-accent);
	color: var(--color-white);
}
.mobile-submenu {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.25s ease;
	list-style: none;
}
.has-submenu.is-open .mobile-submenu { max-height: 600px; }
.mobile-menu__list .mobile-submenu li a {
	padding: 12px 0 12px 16px;
	font-size: 15px;
	font-weight: 500;
	color: var(--color-muted);
	border-bottom: 1px dashed var(--color-border);
}

.site-header__actions { display: flex; align-items: center; gap: 16px; }
.btn-header-cta { display: inline-flex; }

.hamburger {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
	background: none;
	border: none;
	padding: 8px;
	min-width: 44px;
	min-height: 44px;
}
.hamburger span {
	width: 24px;
	height: 2px;
	background: var(--color-text);
	transition: transform 0.2s ease, opacity 0.2s ease;
}
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
	position: fixed;
	inset: 0;
	top: 0;
	background: var(--color-white);
	z-index: 200;
	transform: translateX(100%);
	transition: transform 0.3s ease;
	overflow-y: auto;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu__inner { padding: 100px 24px 40px; }
.mobile-menu__list li a {
	display: block;
	padding: 16px 0;
	font-size: 18px;
	font-weight: 600;
	border-bottom: 1px solid var(--color-border);
}
.mobile-menu__cta { width: 100%; margin-top: 24px; }

.breadcrumb-wrap { background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border); }
.breadcrumb__list { display: flex; flex-wrap: wrap; gap: 6px; padding: 14px 0; font-size: 14px; color: var(--color-muted); }
.breadcrumb__item:not(:last-child)::after { content: '/'; margin-left: 6px; }
.breadcrumb__item a:hover { color: var(--color-accent-dark); }
.breadcrumb__item.is-current { color: var(--color-text); font-weight: 600; }

/* ==========================================================================
   Placeholder blocks (thay cho ảnh thật)
   ========================================================================== */
.placeholder-block {
	background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-primary-light));
	border-radius: var(--radius-card);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--color-accent-dark);
	font-weight: 600;
	text-align: center;
	min-height: 260px;
	aspect-ratio: 16 / 9;
}
.placeholder-block--hero { min-height: 380px; aspect-ratio: 16 / 9; }
.placeholder-block--square { aspect-ratio: 1 / 1; min-height: 320px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { background: linear-gradient(180deg, var(--color-bg-soft), var(--color-white)); padding-top: 64px; }
.hero__inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero__title { font-size: clamp(32px, 4.2vw, 52px); }
.hero__subtitle { font-size: 18px; color: var(--color-muted); max-width: 520px; }
.hero__actions { display: flex; gap: 16px; margin: 24px 0 40px; flex-wrap: wrap; }
.hero__badges { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.trust-badge {
	display: flex;
	align-items: center;
	gap: 10px;
	background: var(--color-white);
	border-radius: var(--radius-sm);
	padding: 12px 14px;
	box-shadow: var(--shadow-soft);
	font-size: 14px;
	font-weight: 600;
}
.trust-badge svg { width: 24px; height: 24px; color: var(--color-accent); flex-shrink: 0; }

/* ==========================================================================
   Intro
   ========================================================================== */
.intro__inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; }
.intro__list { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.intro__list li { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.intro__list svg { width: 26px; height: 26px; color: var(--color-accent); flex-shrink: 0; }

/* ==========================================================================
   Services
   ========================================================================== */
.services { background: var(--color-bg-alt); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
	background: var(--color-white);
	border-radius: var(--radius-card);
	padding: 32px 24px;
	box-shadow: var(--shadow-soft);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.service-card__icon {
	width: 56px;
	height: 56px;
	border-radius: 16px;
	background: var(--color-bg-alt2);
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 20px;
}
.service-card__icon svg { width: 30px; height: 30px; color: var(--color-accent-dark); }
.service-card__title { font-size: 18px; margin-bottom: 8px; }
.service-card__desc { color: var(--color-muted); font-size: 14px; }
.service-card__link { color: var(--color-accent-dark); font-weight: 600; font-size: 14px; }
.service-card__link:hover { text-decoration: underline; }

/* ==========================================================================
   Pricing tabs
   ========================================================================== */
.pricing-tabs__nav { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.pricing-tabs__btn {
	background: var(--color-bg-alt2);
	border: none;
	padding: 12px 22px;
	border-radius: var(--radius-pill);
	font-weight: 600;
	color: var(--color-text);
}
.pricing-tabs__btn.is-active { background: var(--color-accent); color: var(--color-white); }
.pricing-tabs__panel { display: none; }
.pricing-tabs__panel.is-active { display: block; }
.pricing-table { width: 100%; border-collapse: collapse; background: var(--color-white); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-soft); }
.pricing-table th, .pricing-table td { text-align: left; padding: 16px 20px; border-bottom: 1px solid var(--color-border); }
.pricing-table th { background: var(--color-bg-alt2); font-size: 14px; text-transform: uppercase; letter-spacing: 0.03em; }
.pricing-table tr:last-child td { border-bottom: none; }

/* ==========================================================================
   Timeline (quy trình)
   ========================================================================== */
.timeline {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 20px;
	counter-reset: step;
	position: relative;
}
.timeline__step {
	background: var(--color-white);
	border-radius: var(--radius-card);
	padding: 28px 20px;
	text-align: center;
	box-shadow: var(--shadow-soft);
	position: relative;
}
.timeline__num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border-radius: 50%;
	background: var(--color-accent);
	color: var(--color-white);
	font-weight: 700;
	margin-bottom: 12px;
}
.timeline__step svg { width: 36px; height: 36px; color: var(--color-accent-dark); display: block; margin: 0 auto 12px; }
.timeline__step h3 { font-size: 16px; margin-bottom: 8px; }
.timeline__step p { font-size: 14px; color: var(--color-muted); margin: 0; }

/* ==========================================================================
   Commitments
   ========================================================================== */
.commitments { background: var(--color-bg-alt); }
.commitment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.commitment-card {
	background: var(--color-white);
	border-radius: var(--radius-card);
	padding: 28px 24px;
	text-align: center;
	box-shadow: var(--shadow-soft);
}
.commitment-card svg { width: 40px; height: 40px; color: var(--color-accent); margin: 0 auto 16px; }
.commitment-card h3 { font-size: 17px; }
.commitment-card p { font-size: 14px; color: var(--color-muted); margin: 0; }

/* ==========================================================================
   Doctors
   ========================================================================== */
.doctor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.doctor-card {
	background: var(--color-white);
	border-radius: var(--radius-card);
	padding: 28px;
	text-align: center;
	box-shadow: var(--shadow-soft);
}
.doctor-card__avatar {
	width: 120px;
	height: 120px;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-primary-light));
	margin: 0 auto 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--color-accent-dark);
	font-weight: 600;
	font-size: 13px;
	overflow: hidden;
}
.doctor-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.doctor-card__name { font-size: 18px; margin-bottom: 6px; }
.doctor-card__meta { font-size: 14px; color: var(--color-muted); margin-bottom: 18px; }

/* ==========================================================================
   Reviews
   ========================================================================== */
.reviews { background: var(--color-bg-alt); }
.review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.review-card {
	background: var(--color-white);
	border-radius: var(--radius-card);
	padding: 24px;
	box-shadow: var(--shadow-soft);
	position: relative;
}
.review-card__tag {
	display: inline-block;
	background: var(--color-bg-alt2);
	color: var(--color-accent-dark);
	font-size: 12px;
	font-weight: 700;
	padding: 4px 12px;
	border-radius: var(--radius-pill);
	margin-bottom: 16px;
}
.review-card__avatar {
	width: 44px;
	height: 44px;
	border-radius: 50%;
	background: var(--color-primary-light);
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	color: var(--color-accent-dark);
	margin-bottom: 12px;
}
.review-card__quote { font-size: 14px; font-style: italic; }
.review-card__name { font-size: 13px; color: var(--color-muted); margin: 0; }
.review-card__disclaimer { display: block; font-size: 11px; color: var(--color-muted); font-style: italic; margin-top: 2px; }

/* ==========================================================================
   Press
   ========================================================================== */
.press-logos { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.press-logo {
	font-size: 20px;
	font-weight: 700;
	color: var(--color-muted);
	opacity: 0.7;
	letter-spacing: 0.02em;
	display: inline-flex;
	align-items: center;
}
.press-logo img { max-height: 28px; width: auto; }

/* ==========================================================================
   Gallery (Thư viện ảnh)
   ========================================================================== */
.gallery-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 16px;
}
.gallery-grid__item {
	margin: 0;
	border-radius: var(--radius-card);
	overflow: hidden;
	background: var(--color-bg-alt2);
}
.gallery-grid__item img {
	display: block;
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
}
.gallery-grid__item figcaption {
	padding: 10px 14px;
	font-size: 13px;
	color: var(--color-muted);
}

/* ==========================================================================
   Knowledge / posts grid
   ========================================================================== */
.knowledge { background: var(--color-bg-alt); }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card {
	background: var(--color-white);
	border-radius: var(--radius-card);
	overflow: hidden;
	box-shadow: var(--shadow-soft);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.post-card__thumb, .post-card__thumb--placeholder {
	display: block;
	width: 100%;
	aspect-ratio: 16/10;
	background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-primary-light));
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--color-accent-dark);
	font-weight: 600;
	font-size: 14px;
}
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card__body { padding: 22px; }
.post-card__pill {
	display: inline-block;
	background: var(--color-bg-alt2);
	color: var(--color-accent-dark);
	font-size: 12px;
	font-weight: 700;
	padding: 4px 12px;
	border-radius: var(--radius-pill);
	margin-bottom: 12px;
}
.post-card__title { font-size: 17px; margin-bottom: 8px; }
.post-card__title a:hover { color: var(--color-accent-dark); }
.post-card__excerpt { font-size: 14px; color: var(--color-muted); margin-bottom: 10px; }
.post-card__date { font-size: 12px; color: var(--color-muted); }

/* ==========================================================================
   FAQ accordion
   ========================================================================== */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.faq-item__question {
	width: 100%;
	background: none;
	border: none;
	padding: 18px 22px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-weight: 600;
	font-size: 16px;
	text-align: left;
}
.faq-item__icon { font-size: 22px; color: var(--color-accent); transition: transform 0.2s ease; }
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 22px; }
.faq-item.is-open .faq-item__answer { max-height: 400px; padding: 0 22px 20px; }
.faq-item__answer p { margin: 0; color: var(--color-muted); font-size: 15px; }

/* ==========================================================================
   Final CTA
   ========================================================================== */
.final-cta {
	background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
	color: var(--color-white);
	text-align: center;
}
.final-cta__inner h2 { font-size: clamp(26px, 3.2vw, 38px); color: var(--color-white); }
.final-cta__inner p { color: rgba(255,255,255,0.9); margin-bottom: 28px; }
.final-cta--inline { border-radius: var(--radius-card); padding: 48px 24px; margin: 48px 0; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: #2A1520; color: rgba(255,255,255,0.85); padding-top: 64px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; padding-bottom: 40px; }
.footer__desc { font-size: 14px; color: rgba(255,255,255,0.65); margin-top: 16px; }
.footer__title { color: var(--color-white); font-size: 16px; margin-bottom: 16px; }
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col ul li a { font-size: 14px; color: rgba(255,255,255,0.7); }
.footer__col ul li a:hover { color: var(--color-primary-light); }
.footer__contact li { font-size: 14px; color: rgba(255,255,255,0.7); display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.footer__contact svg { width: 16px; height: 16px; color: var(--color-primary-light); }
.footer__disclaimer { border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 24px; }
.footer__disclaimer p { font-size: 12px; color: rgba(255,255,255,0.5); margin: 0; text-align: center; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 16px 0; }
.footer__bottom p { font-size: 13px; text-align: center; margin: 0; color: rgba(255,255,255,0.5); }

/* ==========================================================================
   Mobile bottom CTA bar
   ========================================================================== */
.mobile-cta-bar {
	display: none;
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	background: var(--color-white);
	box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
	z-index: 150;
	padding: 8px 12px;
	padding-bottom: max(8px, env(safe-area-inset-bottom));
}
.mobile-cta-bar__item {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 4px;
	font-size: 12px;
	font-weight: 600;
	color: var(--color-text);
	padding: 6px;
	min-height: 44px;
}
.mobile-cta-bar__item svg { width: 22px; height: 22px; color: var(--color-accent); }
.mobile-cta-bar__item--primary { color: var(--color-accent-dark); }
.mobile-cta-bar__item--primary svg { color: var(--color-accent-dark); }

/* ==========================================================================
   Single post / archive / page
   ========================================================================== */
.single-post__header { text-align: center; padding: 48px 24px 0; }
.single-post__header h1 { font-size: clamp(26px, 3.4vw, 38px); max-width: 780px; margin: 12px auto 8px; }
.single-post__meta { color: var(--color-muted); font-size: 14px; }
.single-post__layout { display: grid; grid-template-columns: 1fr 260px; gap: 48px; padding-top: 40px; align-items: start; }
.entry-content { font-size: 16px; }
.entry-content h2, .entry-content h3 { margin-top: 32px; }
.post-toc { background: var(--color-bg-alt2); border-radius: var(--radius-sm); padding: 20px 24px; margin-bottom: 32px; }
.post-toc__title { font-weight: 700; margin-bottom: 10px; }
.post-toc__list li { padding: 4px 0; font-size: 14px; }
.post-toc__list a:hover { color: var(--color-accent-dark); }
.post-toc__sub { padding-left: 16px; }
.sidebar-toc-sticky { position: sticky; top: 100px; }
.author-box { display: flex; gap: 16px; align-items: center; background: var(--color-bg-alt); border-radius: var(--radius-sm); padding: 20px; margin: 40px 0; }
.author-box__avatar {
	width: 56px; height: 56px; border-radius: 50%;
	background: var(--color-primary-light); flex-shrink: 0;
	display: flex; align-items: center; justify-content: center;
	font-size: 12px; color: var(--color-accent-dark); font-weight: 700;
}
.author-box__name { margin: 0 0 4px; font-weight: 700; }
.author-box__reviewer { margin: 0; font-size: 13px; color: var(--color-muted); }

/* Cảnh báo y khoa dưới bài viết */
.post-disclaimer {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	margin: 32px 0;
	padding: 18px 22px;
	background: var(--color-bg-alt2);
	border-left: 4px solid var(--color-accent);
	border-radius: 24px;
}
.post-disclaimer__icon { flex-shrink: 0; width: 22px; height: 22px; color: var(--color-accent-dark); margin-top: 2px; }
.post-disclaimer__icon svg { width: 100%; height: 100%; display: block; }
.post-disclaimer p { margin: 0; font-size: 13px; color: var(--color-muted); line-height: 1.6; }

.post-faq { margin: 40px 0; }
.related-posts { padding: 48px 0 80px; }

.archive-hero { background: var(--color-bg-soft); text-align: center; padding: 64px 24px; }
.archive-hero__desc { max-width: 640px; margin: 0 auto; color: var(--color-muted); }

/* Cluster sub-nav (pill links điều hướng giữa các hub kiến thức) */
.cluster-nav { background: var(--color-white); border-bottom: 1px solid var(--color-border); padding: 18px 0; }
.cluster-nav__list { display: flex; flex-wrap: wrap; gap: 10px; }
.cluster-nav__item {
	display: inline-flex;
	align-items: center;
	min-height: 40px;
	padding: 8px 18px;
	border-radius: var(--radius-pill);
	background: var(--color-bg-alt2);
	color: var(--color-accent-dark);
	font-size: 14px;
	font-weight: 600;
}
.cluster-nav__item:hover { background: var(--color-primary-light); }
.cluster-nav__item.is-active { background: var(--color-accent); color: var(--color-white); }

/* Featured card (bài viết đầu tiên của trang danh mục) */
.archive-list { padding-top: 48px; }
.archive-featured {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
	align-items: center;
	background: var(--color-white);
	border-radius: var(--radius-card);
	box-shadow: var(--shadow-soft);
	overflow: hidden;
	margin-bottom: 40px;
}
.archive-featured__thumb { display: block; aspect-ratio: 16/10; overflow: hidden; }
.archive-featured__thumb img { width: 100%; height: 100%; object-fit: cover; }
.archive-featured__thumb .placeholder-block { border-radius: 0; height: 100%; }
.archive-featured__body { padding: 32px 40px 32px 0; }
.archive-featured__title { font-size: clamp(22px, 2.6vw, 30px); margin: 10px 0 12px; }
.archive-featured__title a:hover { color: var(--color-accent-dark); }
.archive-featured__excerpt { color: var(--color-muted); margin-bottom: 14px; }
.archive-featured .post-card__date { display: block; margin-bottom: 18px; }
.pagination { display: flex; justify-content: center; gap: 12px; margin-top: 32px; }
.pagination .page-numbers {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 40px; height: 40px; border-radius: 50%;
	background: var(--color-bg-alt2); font-weight: 600;
}
.pagination .page-numbers.current { background: var(--color-accent); color: var(--color-white); }

.page-content { padding: 56px 0; }
.page-content h1 { font-size: clamp(28px, 3.6vw, 40px); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
	.hero__inner, .intro__inner { grid-template-columns: 1fr; }
	.hero__media, .intro__media { order: -1; }
	.service-grid { grid-template-columns: repeat(2, 1fr); }
	.commitment-grid { grid-template-columns: repeat(2, 1fr); }
	.doctor-grid { grid-template-columns: repeat(3, 1fr); }
	.review-grid { grid-template-columns: repeat(2, 1fr); }
	.post-grid { grid-template-columns: repeat(2, 1fr); }
	.timeline { grid-template-columns: repeat(5, 1fr); }
	.single-post__layout { grid-template-columns: 1fr; }
	.single-post__sidebar { display: none; }
	.archive-featured { grid-template-columns: 1fr; }
	.archive-featured__body { padding: 24px 28px 32px; }
}

@media (max-width: 768px) {
	.main-nav { display: none; }
	.hamburger { display: flex; }
	.topbar__hours { display: none; }
	.hero__badges { grid-template-columns: 1fr; }
	.service-grid { grid-template-columns: 1fr; }
	.commitment-grid { grid-template-columns: 1fr; }
	.doctor-grid { grid-template-columns: 1fr; }
	.review-grid { grid-template-columns: 1fr; }
	.post-grid { grid-template-columns: 1fr; }
	.footer__inner { grid-template-columns: 1fr 1fr; }

	/* Timeline: dọc trên mobile */
	.timeline { grid-template-columns: 1fr; gap: 16px; }

	/* Bảng giá: dạng card trên mobile */
	.pricing-table, .pricing-table thead, .pricing-table tbody, .pricing-table th, .pricing-table td, .pricing-table tr {
		display: block;
	}
	.pricing-table thead { display: none; }
	.pricing-table tr {
		background: var(--color-white);
		border-radius: var(--radius-sm);
		margin-bottom: 12px;
		padding: 12px 16px;
		box-shadow: var(--shadow-soft);
	}
	.pricing-table td {
		border: none;
		padding: 6px 0;
		display: flex;
		justify-content: space-between;
		gap: 12px;
		font-size: 14px;
	}
	.pricing-table td:first-child { font-weight: 700; }

	.mobile-cta-bar { display: flex; }
	.site-footer { padding-bottom: 90px; }
	.final-cta { padding-bottom: 90px; }
	.btn-header-cta { display: none; }
	.btn-topbar { display: none; }

	.cluster-nav__list { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
	.cluster-nav__item { white-space: nowrap; }
}

@media (max-width: 480px) {
	.footer__inner { grid-template-columns: 1fr; }
}