/* ==========================================================================
   iSUN theme – v1.0
   Tokens lấy từ logo: vàng #F5D849 · xanh #1538D0 · xanh đậm #0C22A2 · navy #05127B
   ========================================================================== */
:root {
	--isun-yellow: #F5D849;
	--isun-yellow-600: #E8C421;
	--isun-yellow-50: #FFF9E0;
	--isun-blue: #1538D0;
	--isun-blue-700: #1230B5;
	--isun-blue-800: #0C22A2;
	--isun-navy: #05127B;
	--isun-blue-50: #EEF2FF;
	--isun-blue-100: #DCE3FF;
	--ink: #0F172A;
	--ink-2: #334155;
	--muted: #64748B;
	--line: #E2E8F0;
	--surface: #FFFFFF;
	--surface-2: #F8FAFC;

	--font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--radius: 16px;
	--radius-sm: 10px;
	--shadow: 0 10px 30px rgba(12, 34, 162, .08);
	--shadow-lg: 0 24px 60px rgba(5, 18, 123, .18);
	--container: 1200px;
	--gutter: clamp(16px, 4vw, 32px);
	--section: clamp(56px, 8vw, 96px);
	--header-h: 72px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.65; color: var(--ink); background: var(--surface); -webkit-font-smoothing: antialiased; }
@media (min-width: 1024px) { body { font-size: 17px; } }
img, svg, iframe, video { max-width: 100%; height: auto; display: block; }
a { color: var(--isun-blue); text-decoration: none; }
a:hover { color: var(--isun-blue-800); }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.2; font-weight: 800; color: var(--isun-navy); letter-spacing: -.01em; text-wrap: balance; }
h1 { font-size: clamp(30px, 5vw, 56px); }
h2, .h2 { font-size: clamp(26px, 3.4vw, 40px); }
h3, .h3 { font-size: clamp(19px, 1.8vw, 23px); }
.h4 { font-size: 18px; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link:focus { position: fixed !important; top: 8px; left: 8px; width: auto; height: auto; clip: auto; z-index: 999; background: var(--isun-yellow); color: var(--isun-navy); padding: 8px 16px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--isun-yellow); outline-offset: 2px; border-radius: 6px; }
.container { width: min(100% - 2 * var(--gutter), var(--container)); margin-inline: auto; }
.narrow { max-width: 820px; }
.center { text-align: center; justify-content: center; }
.icon { flex: none; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 24px; border-radius: 999px; border: 2px solid transparent; font: 700 16px/1 var(--font); cursor: pointer; transition: transform .15s, background .2s, color .2s, box-shadow .2s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn-sm { min-height: 40px; padding: 0 18px; font-size: 15px; }
.btn-lg { min-height: 56px; padding: 0 30px; font-size: 17px; }
.btn-block { width: 100%; }
.btn-yellow { background: var(--isun-yellow); color: var(--isun-navy); box-shadow: 0 8px 20px rgba(245, 216, 73, .35); }
.btn-yellow:hover { background: var(--isun-yellow-600); color: var(--isun-navy); }
.btn-primary { background: var(--isun-blue); color: #fff; }
.btn-primary:hover { background: var(--isun-blue-800); color: #fff; }
.btn-outline { border-color: var(--isun-blue); color: var(--isun-blue); background: #fff; }
.btn-outline:hover { background: var(--isun-blue-50); color: var(--isun-blue-800); }
.btn-ghost { border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--isun-blue); }
.link-arrow .icon { transition: transform .2s; }
.link-arrow:hover .icon { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: transparent; border-bottom: 1px solid transparent; transition: box-shadow .2s, border-color .2s; }
/* Nền mờ đặt ở lớp giả: backdrop-filter trên chính header sẽ làm menu mobile (position: fixed) bị giới hạn trong header */
.site-header::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(255, 255, 255, .92); -webkit-backdrop-filter: saturate(160%) blur(12px); backdrop-filter: saturate(160%) blur(12px); }
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }
@media (max-width: 600px) { .admin-bar .site-header { top: 0; } }
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 6px 24px rgba(15, 23, 42, .06); }
.header-inner { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.brand img { height: 44px; width: auto; }
.main-nav { margin-left: auto; }
.main-nav .menu { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.main-nav .menu > li { position: relative; }
.main-nav .menu a { display: block; padding: 10px 14px; border-radius: 999px; font-weight: 600; font-size: 15px; color: var(--ink); text-transform: none; }
.main-nav .menu a:hover, .main-nav .current-menu-item > a, .main-nav .current-menu-ancestor > a { color: var(--isun-blue); background: var(--isun-blue-50); }
.main-nav .sub-menu { position: absolute; top: 100%; left: 0; min-width: 240px; list-style: none; margin: 8px 0 0; padding: 8px; background: #fff; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(6px); transition: .18s; }
.main-nav li:hover > .sub-menu, .main-nav li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.main-nav .sub-menu a { border-radius: 8px; }
.main-nav .menu-item-has-children > a::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 8px; border: solid currentColor; border-width: 0 2px 2px 0; transform: rotate(45deg) translateY(-3px); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-phone { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--isun-navy); }
.nav-toggle { display: none; background: none; border: 0; color: var(--isun-navy); padding: 6px; cursor: pointer; }
.nav-toggle .icon-close { display: none; }
.nav-cta-mobile { display: none; }

/* Header option A: nền navy, logo vàng, chữ trắng */
.site-header::before { background: linear-gradient(90deg, var(--isun-navy) 0%, var(--isun-blue-800) 100%); -webkit-backdrop-filter: none; backdrop-filter: none; }
.site-header.is-scrolled { border-color: rgba(255, 255, 255, .08); box-shadow: 0 8px 28px rgba(5, 18, 123, .28); }
.main-nav .menu a { color: rgba(255, 255, 255, .9); }
.main-nav .menu a:hover, .main-nav .current-menu-item > a, .main-nav .current-menu-ancestor > a { color: var(--isun-yellow); background: rgba(255, 255, 255, .08); }
.main-nav .sub-menu a { color: var(--ink); }
.main-nav .sub-menu a:hover, .main-nav .sub-menu .current-menu-item > a { color: var(--isun-blue); background: var(--isun-blue-50); }
.header-phone { color: #fff; }
.header-phone .icon { color: var(--isun-yellow); }
.header-phone:hover { color: var(--isun-yellow); }
.nav-toggle { color: #fff; }
.site-header a:focus-visible, .nav-toggle:focus-visible { outline: 2px solid var(--isun-yellow); outline-offset: 2px; }

@media (max-width: 1100px) {
	.header-phone span { display: none; }
}
@media (max-width: 960px) {
	:root { --header-h: 64px; }
	.brand img { height: 38px; }
	.nav-toggle { display: inline-flex; }
	.header-actions { margin-left: auto; }
	.header-actions .btn { display: none; }
	.main-nav { position: fixed; left: 0; right: 0; bottom: 0; top: calc(var(--header-h) + var(--wp-admin--admin-bar--height, 0px)); z-index: 60; background: #fff; padding: 16px var(--gutter) 32px; overflow-y: auto; overscroll-behavior: contain; transform: translateX(100%); visibility: hidden; transition: transform .25s ease, visibility 0s linear .25s; }
	.nav-open .main-nav { visibility: visible; transition: transform .25s ease; }
	.nav-open .floating-contact { display: none; }
	.nav-open .main-nav { transform: none; }
	.nav-open .nav-toggle .icon-menu { display: none; }
	.nav-open .nav-toggle .icon-close { display: block; }
	.main-nav .menu { flex-direction: column; }
	.main-nav .menu a { padding: 14px 8px; font-size: 18px; border-radius: 8px; border-bottom: 1px solid var(--line); }
	.main-nav .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; margin: 0 0 0 12px; padding: 0; }
	.main-nav .sub-menu a { font-size: 16px; font-weight: 500; }
	.nav-cta-mobile { display: grid; gap: 12px; margin-top: 24px; }
	body.nav-open { overflow: hidden; }
	/* Menu mobile cùng tông navy với header */
	.main-nav { background: var(--isun-navy); }
	.main-nav .sub-menu { background: transparent; border-radius: 0; }
	.main-nav .menu a, .main-nav .sub-menu a { color: rgba(255, 255, 255, .92); border-bottom-color: rgba(255, 255, 255, .1); }
	.main-nav .menu a:hover, .main-nav .current-menu-item > a, .main-nav .current-menu-ancestor > a,
	.main-nav .sub-menu a:hover, .main-nav .sub-menu .current-menu-item > a { color: var(--isun-yellow); background: rgba(255, 255, 255, .06); }
	.nav-cta-mobile .btn-outline { color: #fff; background: transparent; border-color: rgba(255, 255, 255, .4); }
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; color: #fff; background: radial-gradient(120% 120% at 15% 10%, var(--isun-blue) 0%, var(--isun-blue-800) 45%, var(--isun-navy) 100%); padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 9vw, 112px); }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.bokeh { position: absolute; border-radius: 50%; background: radial-gradient(circle, rgba(120, 150, 255, .55), rgba(120, 150, 255, 0) 70%); filter: blur(2px); }
.b1 { width: 340px; height: 340px; top: -80px; right: 8%; }
.b2 { width: 220px; height: 220px; bottom: -40px; left: 4%; opacity: .7; }
.b3 { width: 160px; height: 160px; top: 40%; right: 42%; opacity: .5; }
.sun { position: absolute; width: 120px; height: 120px; top: 36px; left: calc(50% - 60px); border-radius: 50%; background: var(--isun-yellow); opacity: .12; box-shadow: 0 0 0 30px rgba(245, 216, 73, .06), 0 0 0 60px rgba(245, 216, 73, .04); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero h1 { color: #fff; }
.hero h1::first-line { color: var(--isun-yellow); }
.hero .lead { color: rgba(255, 255, 255, .86); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 20px; }
.hero-phone { display: inline-flex; align-items: center; gap: 8px; color: var(--isun-yellow); font-weight: 700; }
.hero-phone:hover { color: #fff; }
.hero-media { position: relative; }
.hero-img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow-lg); border: 6px solid rgba(255, 255, 255, .12); }
.hero-media::before { content: ""; position: absolute; inset: auto -18px -18px auto; width: 45%; height: 45%; border-radius: 28px; background: var(--isun-yellow); z-index: -1; }
.hero-media { z-index: 0; }
.eyebrow { margin: 0 0 10px; font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--isun-blue); }
.eyebrow-light { color: var(--isun-yellow); }
@media (max-width: 860px) {
	.hero-grid { grid-template-columns: 1fr; }
	.hero-media { max-width: 420px; }
	.hero-media::before { display: none; }
	.hero-actions .btn { flex: 1 1 100%; }
}

/* ---------- Stats ---------- */
.stats { margin-top: -48px; position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 8px; }
.stat { padding: 20px 16px; text-align: center; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat strong { display: block; font-size: clamp(24px, 3vw, 36px); font-weight: 800; color: var(--isun-blue); line-height: 1.1; }
.stat span { font-size: 14px; color: var(--muted); }
@media (max-width: 720px) {
	.stats-grid { grid-template-columns: repeat(2, 1fr); }
	.stat:nth-child(3) { border-left: 0; }
	.stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- Sections ---------- */
.section { padding: var(--section) 0; }
.section-tight { padding: clamp(32px, 5vw, 56px) 0 var(--section); }
.section-tint { background: var(--surface-2); }
.section-navy { background: var(--isun-navy); color: #fff; }
.section-navy h2 { color: #fff; }
.section-navy .eyebrow { color: var(--isun-yellow); }
.section-navy .link-arrow { color: var(--isun-yellow); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: clamp(24px, 4vw, 40px); flex-wrap: wrap; }
.section-head h2 { margin: 0; max-width: 720px; }

/* ---------- Cards ---------- */
.card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: clamp(16px, 2.5vw, 28px); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .card-grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .card-grid-3 { grid-template-columns: 1fr; } }
.card-media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--isun-blue-50); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.card:hover .card-media img { transform: scale(1.04); }
.thumb-placeholder { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, var(--isun-blue-50), var(--isun-yellow-50)); }
.card-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; }
.card-title { font-size: 19px; margin: 0; }
.card-title a { color: var(--isun-navy); }
.card-title a:hover { color: var(--isun-blue); }
.card-meta { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); margin: 0; }
.card-excerpt { color: var(--ink-2); font-size: 15px; margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.tag { align-self: flex-start; display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; background: var(--isun-yellow-50); color: #7A5D00; }
.tag-blue { background: var(--isun-blue-50); color: var(--isun-blue-800); }

/* Age cards */
.age-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.5vw, 28px); }
.age-card { position: relative; display: flex; flex-direction: column; gap: 10px; padding: 28px; border-radius: 22px; color: var(--ink); background: #fff; border: 1px solid var(--line); transition: transform .2s, box-shadow .2s, border-color .2s; overflow: hidden; }
.age-card::after { content: ""; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%; background: var(--isun-yellow-50); }
.age-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; color: var(--ink); }
.age-card h3 { margin: 0; }
.age-card p { margin: 0; color: var(--ink-2); }
.age-icon { position: relative; z-index: 1; width: 60px; height: 60px; display: grid; place-items: center; border-radius: 18px; background: var(--isun-blue); color: var(--isun-yellow); }
.age-1 .age-icon { background: var(--isun-yellow); color: var(--isun-navy); }
.age-2 .age-icon { background: var(--isun-navy); color: var(--isun-yellow); }
.age-range { font-weight: 800; color: var(--isun-blue); }
.age-card .link-arrow { margin-top: auto; padding-top: 8px; }
@media (max-width: 860px) { .age-grid { grid-template-columns: 1fr; } }

/* Why */
.why-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.why-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.why-list li { display: flex; gap: 16px; padding: 22px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.why-list .icon { color: var(--isun-blue); background: var(--isun-yellow-50); border-radius: 12px; padding: 8px; width: 48px; height: 48px; }
.why-list h3 { font-size: 18px; margin-bottom: 4px; }
.why-list p { margin: 0; font-size: 15px; color: var(--ink-2); }
@media (max-width: 960px) { .why-grid { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .why-list { grid-template-columns: 1fr; } }

/* Moments scroller */
.scroller { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 30%); gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; scrollbar-width: thin; scrollbar-color: var(--isun-yellow) transparent; }
.moment { position: relative; scroll-snap-align: start; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; color: #fff; }
.moment img, .moment .thumb-placeholder { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.moment:hover img { transform: scale(1.05); }
.moment::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(5, 18, 123, .92)); }
.moment-title { position: absolute; z-index: 1; left: 18px; right: 18px; bottom: 16px; font-weight: 700; line-height: 1.35; }
.moment:hover { color: var(--isun-yellow); }
@media (max-width: 600px) { .scroller { grid-auto-columns: 78%; } }

.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 12px; }
.gallery img:first-child { grid-column: span 2; grid-row: span 2; }
@media (max-width: 720px) { .gallery { grid-template-columns: repeat(2, 1fr); } }

/* Branches */
.branch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 1024px) { .branch-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .branch-grid { grid-template-columns: 1fr; } }
.branch-card { position: relative; padding: 26px 24px 22px; display: flex; flex-direction: column; gap: 10px; }
.branch-card h3 { font-size: 18px; margin: 0; padding-right: 40px; }
.branch-card p { display: flex; align-items: flex-start; gap: 8px; margin: 0; color: var(--ink-2); font-size: 15px; }
.branch-card p .icon { color: var(--isun-blue); margin-top: 3px; }
.branch-card .link-arrow { margin-top: auto; }
.branch-no { position: absolute; top: 18px; right: 18px; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--isun-yellow); color: var(--isun-navy); font-weight: 800; }
.branch-map { width: 100%; aspect-ratio: 4 / 3; border: 0; border-radius: 12px; margin-top: 6px; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(135deg, var(--isun-blue-800), var(--isun-navy)); color: #fff; padding: var(--section) 0; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; width: 420px; height: 420px; right: -120px; top: -160px; border-radius: 50%; background: radial-gradient(circle, rgba(245, 216, 73, .25), transparent 70%); }
.cta-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.cta-band h2 { color: #fff; }
.checks { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 32px; }
.checks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%; background: var(--isun-yellow) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2305127B' stroke-width='3'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/14px no-repeat; }
.cta-phone { display: inline-flex; align-items: center; gap: 10px; font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: var(--isun-yellow); }
.cta-phone:hover { color: #fff; }
.cta-form { padding: clamp(22px, 3vw, 36px); color: var(--ink); }
@media (max-width: 860px) { .cta-grid { grid-template-columns: 1fr; } }

/* ---------- Forms (Contact Form 7) ---------- */
.wpcf7 form p { margin: 0 0 14px; }
.wpcf7 label { display: block; font-weight: 600; font-size: 15px; color: var(--ink); }
.wpcf7 input:not([type=submit]):not([type=checkbox]):not([type=radio]), .wpcf7 select, .wpcf7 textarea, .search-form input {
	width: 100%; margin-top: 6px; min-height: 50px; padding: 12px 16px; border: 1.5px solid var(--line); border-radius: 12px; font: 400 16px var(--font); color: var(--ink); background: #fff; transition: border-color .2s, box-shadow .2s;
}
.wpcf7 textarea { min-height: 110px; resize: vertical; }
.wpcf7 input:focus, .wpcf7 select:focus, .wpcf7 textarea:focus, .search-form input:focus { outline: 0; border-color: var(--isun-blue); box-shadow: 0 0 0 4px var(--isun-blue-50); }
.wpcf7 input[type=submit] { width: 100%; min-height: 54px; border: 0; border-radius: 999px; background: var(--isun-yellow); color: var(--isun-navy); font: 800 17px var(--font); cursor: pointer; box-shadow: 0 8px 20px rgba(245, 216, 73, .35); }
.wpcf7 input[type=submit]:hover { background: var(--isun-yellow-600); }
.wpcf7-not-valid-tip { font-size: 13px; color: #DC2626; margin-top: 4px; }
.wpcf7 form .wpcf7-response-output { margin: 12px 0 0; border-radius: 10px; padding: 10px 14px; font-size: 15px; }
.wpcf7-spinner { display: block; margin: 8px auto 0; }
.search-form { display: flex; gap: 10px; max-width: 560px; margin: 0 auto 32px; }
.search-form input { margin: 0; }
.search-form .btn { min-height: 50px; padding: 0 18px; }

/* ---------- Page hero / breadcrumbs ---------- */
.page-hero { background: linear-gradient(135deg, var(--isun-blue-800), var(--isun-navy)); color: #fff; padding: clamp(32px, 6vw, 64px) 0; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 4.2vw, 46px); margin: 8px 0 0; max-width: 900px; }
.page-hero .lead { color: rgba(255, 255, 255, .85); margin: 12px 0 0; max-width: 720px; }
.breadcrumbs { font-size: 14px; color: rgba(255, 255, 255, .75); }
.breadcrumbs a { color: var(--isun-yellow); }
.breadcrumbs .breadcrumb_last { color: rgba(255, 255, 255, .9); }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.chip { padding: 8px 16px; border-radius: 999px; border: 1.5px solid var(--line); font-weight: 600; font-size: 15px; color: var(--ink-2); background: #fff; }
.chip:hover { border-color: var(--isun-blue); color: var(--isun-blue); }
.chip.is-active { background: var(--isun-blue); border-color: var(--isun-blue); color: #fff; }

/* Pagination */
.pagination { margin-top: 40px; }
.pagination .nav-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.pagination .page-numbers { min-width: 44px; height: 44px; display: grid; place-items: center; padding: 0 12px; border-radius: 12px; background: #fff; border: 1.5px solid var(--line); font-weight: 700; color: var(--ink-2); }
.pagination .page-numbers.current { background: var(--isun-blue); border-color: var(--isun-blue); color: #fff; }
.pagination a.page-numbers:hover { border-color: var(--isun-blue); color: var(--isun-blue); }
.empty { text-align: center; color: var(--muted); padding: 48px 0; }

/* ---------- Single / prose ---------- */
.layout-aside { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: clamp(28px, 4vw, 56px); align-items: start; }
@media (max-width: 1024px) { .layout-aside { grid-template-columns: 1fr; } }
.entry-cover { margin: 0 0 28px; }
.entry-cover img { width: 100%; border-radius: var(--radius); }
.facts { list-style: none; margin: 0 0 28px; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.facts li { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; padding: 14px 16px; border-radius: 12px; background: var(--isun-blue-50); }
.facts .icon { grid-row: span 2; color: var(--isun-blue); margin-top: 3px; }
.facts span { font-size: 13px; color: var(--muted); }
.facts strong { color: var(--isun-navy); }
.prose { font-size: 17px; color: var(--ink-2); overflow-wrap: anywhere; }
.prose > * + * { margin-top: 1em; }
.prose h2, .prose h3, .prose h4 { margin-top: 1.6em; color: var(--isun-navy); }
.prose h2 { font-size: clamp(22px, 2.4vw, 30px); }
.prose h3 { font-size: 21px; }
.prose img { border-radius: 12px; margin: 1.5em auto; height: auto; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: .4em; }
.prose blockquote { margin: 1.5em 0; padding: 16px 20px; border-left: 4px solid var(--isun-yellow); background: var(--isun-yellow-50); border-radius: 0 12px 12px 0; }
.prose table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.prose th { background: var(--isun-blue-50); color: var(--isun-navy); }
.prose iframe { width: 100%; aspect-ratio: 16 / 9; border-radius: 12px; }
.aside { display: grid; gap: 20px; }
.aside-card { padding: 24px; }
.aside-card.sticky { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 12px; border-top: 6px solid var(--isun-yellow); }
.aside-card h2 { margin: 0; }
.aside-fee { margin: 0; color: var(--ink-2); }
.mini-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.mini-list a { color: var(--ink); font-weight: 600; font-size: 15px; line-height: 1.4; }
.mini-list a:hover { color: var(--isun-blue); }
.share { display: flex; align-items: center; gap: 10px; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); }
.share a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--isun-blue-50); color: var(--isun-blue); }
.share a:hover { background: var(--isun-blue); color: #fff; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.contact-info, .contact-form { padding: clamp(22px, 3vw, 36px); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* 404 */
.big-404 { font-size: clamp(80px, 16vw, 160px); font-weight: 800; line-height: 1; margin: 0; background: linear-gradient(135deg, var(--isun-blue), var(--isun-navy)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.notfound .hero-actions { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--isun-navy); color: rgba(255, 255, 255, .8); padding: clamp(48px, 7vw, 80px) 0 0; font-size: 15px; }
.site-footer h3 { color: var(--isun-yellow); font-size: 16px; text-transform: uppercase; letter-spacing: .06em; }
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--isun-yellow); }
.footer-grid { display: grid; grid-template-columns: 1.1fr 1.3fr .7fr; gap: clamp(28px, 4vw, 56px); }
.footer-brand img { height: 50px; width: auto; margin-bottom: 16px; }
.footer-contact, .footer-branches ul, .footer-menu { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer-contact li, .footer-branches li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact .icon, .footer-branches .icon { color: var(--isun-yellow); margin-top: 3px; }
.footer-contact.dark li { color: var(--ink-2); }
.footer-contact.dark a { color: var(--isun-navy); font-weight: 700; }
.footer-contact.dark .icon { color: var(--isun-blue); }
.socials { display: flex; gap: 10px; margin-top: 20px; }
.socials a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: rgba(255, 255, 255, .1); }
.socials a:hover { background: var(--isun-yellow); color: var(--isun-navy); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 48px; padding: 20px 0 28px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: 14px; }
.footer-bottom p { margin: 0; }
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-branches { grid-column: 1 / -1; order: 3; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Floating contact ---------- */
.floating-contact { position: fixed; right: 18px; bottom: 18px; z-index: 40; display: grid; gap: 10px; }
.fc-item { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; color: #fff; box-shadow: var(--shadow-lg); position: relative; }
.fc-item span { display: none; }
.fc-phone { background: #16A34A; animation: isun-pulse 2.4s infinite; }
.fc-zalo { background: #0068FF; }
.fc-messenger { background: var(--isun-blue); }
.fc-register { background: var(--isun-yellow); color: var(--isun-navy); }
.fc-item:hover { color: #fff; transform: scale(1.06); }
.fc-register:hover { color: var(--isun-navy); }
@keyframes isun-pulse { 0% { box-shadow: 0 0 0 0 rgba(22, 163, 74, .5); } 70% { box-shadow: 0 0 0 14px rgba(22, 163, 74, 0); } 100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); } }
@media (max-width: 720px) {
	.floating-contact { left: 0; right: 0; bottom: 0; grid-template-columns: repeat(4, 1fr); gap: 0; background: #fff; box-shadow: 0 -6px 20px rgba(15, 23, 42, .08); padding-bottom: env(safe-area-inset-bottom); }
	.fc-item { width: auto; height: 60px; border-radius: 0; box-shadow: none; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 2px; font-size: 12px; font-weight: 700; background: #fff; animation: none; }
	.fc-item span { display: block; }
	.fc-phone { color: #16A34A; } .fc-zalo { color: #0068FF; } .fc-messenger { color: var(--isun-blue); }
	.fc-register { background: var(--isun-yellow); }
	.fc-item:hover { transform: none; }
	body { padding-bottom: 60px; }
}

/* ---------- Motion ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
	.reveal { opacity: 1; transform: none; }
}

/* ---------- Bảng học phí ---------- */
.fee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.fee-card { position: relative; display: flex; flex-direction: column; gap: 12px; padding: 22px 22px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: box-shadow .2s, border-color .2s, transform .2s; }
.fee-card::before { content: ""; position: absolute; left: 22px; right: 22px; top: -1px; height: 3px; border-radius: 0 0 3px 3px; background: var(--isun-yellow); }
.fee-card:hover { border-color: var(--isun-blue-100); box-shadow: var(--shadow); transform: translateY(-2px); }
.fee-top { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; min-height: 52px; justify-content: flex-end; }
.fee-top h3 { margin: 0; font-size: 17px; line-height: 1.35; color: var(--isun-navy); }
.fee-age { order: -1; flex: none; padding: 3px 10px; border-radius: 999px; background: var(--isun-blue-50); color: var(--isun-blue); font-size: 12.5px; font-weight: 700; white-space: nowrap; }
.fee-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px; margin: 2px 0 0; color: var(--isun-blue); }
.fee-price strong { font-size: 26px; line-height: 1.1; letter-spacing: -.01em; }
.fee-from { font-size: 14px; font-weight: 600; color: var(--muted); margin-right: 2px; }
.fee-unit { font-size: 14px; font-weight: 600; color: var(--muted); }
.fee-note { display: flex; gap: 6px; align-items: flex-start; margin: 0; font-size: 13.5px; color: var(--ink-2); }
.fee-note .icon { flex: none; margin-top: 3px; color: var(--isun-blue); }
.fee-levels { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: auto 0 0; padding: 14px 0 0; border-top: 1px dashed var(--line); }
.fee-levels li { padding: 4px 10px; border-radius: 8px; background: #F6F8FC; font-size: 13px; font-weight: 600; color: var(--ink); }
.fee-list { margin: auto 0 0; padding: 12px 0 0; border-top: 1px dashed var(--line); display: grid; gap: 6px; font-size: 13.5px; }
.fee-list div { display: flex; flex-wrap: wrap; justify-content: space-between; column-gap: 10px; padding-bottom: 6px; border-bottom: 1px solid #F1F4F9; }
.fee-list div:last-child { border-bottom: 0; padding-bottom: 0; }
.fee-list dt { flex: 1 1 auto; color: var(--ink); font-weight: 600; }
.fee-list dd { flex: none; margin: 0 0 0 auto; color: var(--isun-blue); font-weight: 700; white-space: nowrap; }
.fee-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; margin-top: 24px; }
.fee-footnote { display: flex; gap: 8px; align-items: flex-start; margin: 0; max-width: 640px; color: var(--ink-2); font-size: 14.5px; }
.fee-footnote .icon { color: var(--isun-blue); flex: none; margin-top: 2px; }
.fee-cta { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 1100px) { .fee-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .fee-grid { grid-template-columns: 1fr; gap: 14px; } .fee-top { min-height: 0; } .fee-levels, .fee-list { margin-top: 0; } .fee-price strong { font-size: 24px; } .fee-cta, .fee-cta .btn { width: 100%; } }
.why-copy .link-arrow { margin-top: 8px; }
.footer-legal { display: grid; gap: 4px; }
.footer-company { opacity: .75; font-size: 13px; }