/* Trang landing tuyển sinh — phong cách biên tập (editorial).
   Nền trắng, chữ xanh mực, vàng logo dùng như bút dạ quang, đỏ chỉ dành cho nút hành động. */
:root {
  --paper: #FFFFFF;
  --paper-2: #F1F3F7;
  --sun: #FFF4BF;
  --ink: #0F1B3D;
  --ink-2: #3A4361;
  --muted: #6C7189;
  --rule: #E1E4EC;
  --blue: #21409A;
  --navy: #0D1D4A;
  --yellow: #FFE600;
  --red: #DF2A23;
  --red-2: #B91F19;
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wrap: min(1200px, 100% - 48px);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body.lp { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
:where(.lp) img { display: block; max-width: 100%; }
:where(.lp) a { color: inherit; }
:where(.lp) :where(h1, h2, h3) { margin: 0; color: var(--ink); }
:where(.lp) p { margin: 0; }
.lp mark { color: inherit; background: linear-gradient(transparent 55%, var(--yellow) 55%, var(--yellow) 90%, transparent 90%) no-repeat 0 0 / 100% 100%; padding: 0 .06em; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

/* Nhãn mục kiểu báo */
.lp-label { display: flex; align-items: center; gap: 12px; font-size: 12.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--blue); }
.lp-label::before { content: ''; width: 28px; height: 2px; background: currentColor; }

/* Nút hành động */
.lp-cta { position: relative; overflow: hidden; isolation: isolate; display: inline-flex; align-items: center; justify-content: center; gap: 12px; background: var(--red); color: #fff !important; text-decoration: none; font: 700 16px/1.2 var(--sans); padding: 17px 26px; border: 0; border-radius: 4px; cursor: pointer; transition: background .2s, transform .2s; }
.lp-cta svg { width: 20px; height: 20px; transition: transform .2s; }
.lp-cta:hover { background: var(--red-2); }
.lp-cta:hover svg { transform: translateX(4px); }
.lp-cta[disabled] { opacity: .65; cursor: wait; }
.lp-ghost { display: inline-flex; align-items: center; padding: 15px 22px; border: 1.5px solid var(--ink); border-radius: 4px; font-weight: 700; text-decoration: none; }
.lp-ghost:hover { background: var(--ink); color: #fff; }

/* Thanh trên cùng */
.lp-top { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 28px; height: 66px; padding: 0 max(24px, calc((100% - 1200px) / 2)); background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.lp-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.lp-brand img { height: 40px; width: auto; }
.lp-brand span { display: flex; flex-direction: column; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); line-height: 1.2; }
.lp-brand b { font-family: var(--serif); font-size: 21px; letter-spacing: 0; text-transform: none; color: var(--red); }
.lp-nav { display: flex; gap: 26px; margin-left: auto; }
.lp-nav a { text-decoration: none; font-size: 14.5px; font-weight: 600; color: var(--ink-2); position: relative; }
.lp-nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--blue); transform: scaleX(0); transition: transform .2s; }
.lp-nav a:hover { color: var(--blue); }
.lp-nav a:hover::after { transform: scaleX(1); }
.lp-deal-btn { position: relative; display: inline-flex; align-items: center; gap: 7px; margin-left: 24px; padding: 8px 15px 8px 12px; border-radius: 999px; background: var(--red); color: #fff !important; font-size: 14px; font-weight: 800; text-decoration: none; white-space: nowrap; animation: lp-glow 2s ease-out infinite; }
.lp-deal-btn svg { width: 18px; height: 18px; animation: lp-gift 2.4s ease-in-out infinite; }
.lp-deal-btn:hover { background: var(--red-2); }
.lp-tel { margin-left: 22px; display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 800; color: var(--blue) !important; padding-left: 26px; border-left: 1px solid var(--rule); }
.lp-tel svg, .lp-sticky-tel svg, .lp-bigtel svg { width: 20px; height: 20px; }

/* Mở đầu */
.lp-hero { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); min-height: min(calc(100vh - 66px), 820px); border-bottom: 1px solid var(--rule); }
.lp-hero-photo { position: relative; margin: 0; background: var(--paper-2); overflow: hidden; }
.lp-hero-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.lp-hero-photo figcaption { position: absolute; left: 24px; bottom: 22px; font-size: 13px; color: #fff; letter-spacing: .04em; padding-left: 14px; border-left: 2px solid var(--yellow); text-shadow: 0 1px 8px rgba(0, 0, 0, .45); }
.lp-hero-copy { padding: 40px max(24px, calc((100vw - 1200px) / 2)) 36px 52px; display: flex; flex-direction: column; justify-content: center; }
.lp-kicker { font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.lp-kicker span { color: var(--red); padding: 0 4px; }
.lp-hero h1 { font-family: var(--serif); font-weight: 700; font-size: clamp(38px, 3.9vw, 60px); line-height: 1.1; letter-spacing: -.02em; margin: 14px 0 14px; }
.lp-lead { font-size: 17px; color: var(--ink-2); max-width: 540px; }
.lp-hero-form { margin-top: 22px; padding-top: 18px; border-top: 2px solid var(--ink); max-width: 540px; }
.lp-hero-form .lp-form { gap: 14px; }
.lp-hero-form .lp-form-fields { grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.lp-hero-form .lp-form-fields > .lp-f:nth-child(3) { grid-column: 1 / -1; }
.lp-urgent { margin-top: 14px; font-size: 14.5px; color: var(--ink-2); }
.lp-urgent::before { content: ''; display: inline-block; vertical-align: middle; width: 8px; height: 8px; margin: 0 10px 2px 2px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px rgba(223, 42, 35, .15); }
.lp-urgent b { color: var(--ink); }
.lp-alt { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; font-size: 14.5px; color: var(--muted); }
.lp-alt a { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-weight: 700; text-decoration: none; }
.lp-alt a:hover { text-decoration: underline; }
.lp-alt-ic { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; flex: none; }
.lp-alt-tel .lp-alt-ic { background: var(--red); color: #fff; }
.lp-alt-tel .lp-alt-ic svg { width: 16px; height: 16px; animation: lp-ring 2.8s ease-in-out infinite; }
.lp-alt-zalo .lp-alt-ic { background: #0068FF; color: #fff; font-size: 9.5px; font-weight: 800; letter-spacing: -.01em; animation: lp-bob 2.6s ease-in-out infinite; }

/* Form: ô gạch chân, không khung */
.lp-form { display: grid; gap: 18px; }
.lp-form-fields { display: grid; gap: 16px 22px; }
.lp-f { display: grid; gap: 4px; font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.lp-f i { font-style: normal; text-transform: none; letter-spacing: 0; font-weight: 500; }
.lp-f input, .lp-f select, .lp-f textarea { width: 100%; font: 500 18px/1.4 var(--sans); color: var(--ink); background: transparent; border: 0; border-bottom: 1.5px solid var(--ink-2); border-radius: 0; padding: 8px 0 10px; letter-spacing: 0; text-transform: none; -webkit-appearance: none; appearance: none; }
.lp-f select { background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 12px) 55%, calc(100% - 6px) 55%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 28px; cursor: pointer; }
.lp-f textarea { resize: vertical; min-height: 64px; font-size: 16px; }
.lp-f input::placeholder { color: #A8A79F; font-weight: 400; }
.lp-f input:focus, .lp-f select:focus, .lp-f textarea:focus { outline: none; border-bottom-color: var(--blue); box-shadow: 0 2px 0 var(--blue); }
.lp-f .invalid { border-bottom-color: var(--red); box-shadow: 0 2px 0 var(--red); }
.lp-form .lp-cta { width: 100%; }
.lp-msg { font-size: 14px; font-weight: 600; color: var(--red-2); min-height: 0; }
.lp-msg:empty { display: none; }
.lp-done { border-left: 4px solid var(--yellow); background: #fff; padding: 20px 22px; }
.lp-done b { display: block; font-family: var(--serif); font-size: 24px; margin-bottom: 4px; }
.lp-done p { color: var(--ink-2); font-size: 15px; }
.lp-done-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.lp-done .lp-cta { width: auto; }
.lp-form.is-done .lp-form-fields, .lp-form.is-done > .lp-cta, .lp-form.is-done .lp-msg { display: none; }

/* Con số */
.lp-facts { width: var(--wrap); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--rule); }
.lp-facts div { padding: 34px 24px 30px; border-left: 1px solid var(--rule); }
.lp-facts div:first-child { border-left: 0; padding-left: 0; }
.lp-facts b { display: block; font-family: var(--serif); font-size: clamp(40px, 4.4vw, 62px); font-weight: 700; line-height: 1; color: var(--navy); letter-spacing: -.02em; }
.lp-facts small { font-size: .42em; margin-left: 4px; letter-spacing: 0; }
.lp-facts div > span { display: block; margin-top: 10px; font-size: 14px; color: var(--muted); }
.lp-offer { position: relative; overflow: hidden; width: var(--wrap); margin: 30px auto 0; padding: 16px 22px; display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; font-size: 16.5px; color: var(--ink); background: var(--yellow); border: 2px solid var(--ink); box-shadow: 6px 6px 0 var(--ink); }
.lp-offer b { font-weight: 700; }
.lp-offer-tag { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; background: var(--red); color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.lp-offer-tag::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #fff; animation: lp-dot-w 1.6s ease-out infinite; }
.lp-offer a { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; font-weight: 800; color: var(--ink); text-decoration: none; border-bottom: 2px solid var(--ink); }
.lp-offer a svg { width: 18px; height: 18px; animation: lp-nudge 1.6s ease-in-out infinite; }
.lp-offer::after { content: ''; position: absolute; top: 0; bottom: 0; left: -40%; width: 30%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .7), transparent); transform: skewX(-20deg); animation: lp-shine 5s ease-in-out infinite; pointer-events: none; }

/* Mục chung */
.lp-sec { width: var(--wrap); margin: 0 auto; padding: 96px 0; }
.lp-sec-head { max-width: 900px; margin-bottom: 52px; }
.lp-sec-head h2, .lp-steps h2 { font-family: var(--serif); font-weight: 700; font-size: clamp(32px, 4vw, 54px); line-height: 1.14; letter-spacing: -.015em; margin-top: 16px; }
.lp-sec-sub { margin-top: 16px; font-size: 18px; color: var(--ink-2); max-width: 680px; }

/* 01 · Ba mẹ */
.lp-parents-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: start; }
.lp-parents-media { position: sticky; top: 96px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.lp-parents-media figure { margin: 0; position: relative; overflow: hidden; background: var(--paper-2); }
.lp-parents-media img { width: 100%; height: 100%; object-fit: cover; }
.lp-ph-a { grid-column: 1 / 3; aspect-ratio: 4 / 3; }
.lp-ph-b, .lp-ph-c { aspect-ratio: 1; }
.lp-ph-c { transform: translateY(28px); }
.lp-parents-media figcaption { position: absolute; left: 10px; bottom: 8px; font-size: 12px; color: #fff; text-shadow: 0 1px 6px rgba(0, 0, 0, .5); }
.lp-reasons { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.lp-reasons li { display: grid; grid-template-columns: 76px 1fr; gap: 8px; padding: 24px 0 24px; border-bottom: 1px solid var(--rule); }
.lp-no { font-family: var(--serif); font-style: italic; font-size: 34px; line-height: 1; color: var(--red); }
.lp-reasons h3 { font-size: 21px; font-weight: 800; letter-spacing: -.01em; margin-bottom: 6px; }
.lp-reasons p { color: var(--ink-2); font-size: 16px; }

.lp-people { margin-top: 110px; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 20px 56px; align-items: end; }
.lp-people-copy h3 { font-family: var(--serif); font-size: clamp(28px, 3vw, 40px); line-height: 1.1; margin: 14px 0 22px; }
.lp-ach { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.lp-ach li { display: grid; grid-template-columns: 54px 1fr; gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--rule); font-size: 14.5px; font-weight: 600; }
.lp-ach span { color: var(--red); font-variant-numeric: tabular-nums; }
.lp-team { margin: 0; position: relative; }
.lp-team img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.lp-team figcaption, .lp-leader figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }
.lp-leaders { grid-column: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.lp-leader { margin: 0; }
.lp-leader img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.lp-leader b { display: block; color: var(--ink); font-size: 15px; }

/* Lời mời giữa trang */
.lp-break { background: var(--navy); color: #fff; }
.lp-break { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 40px; padding: 40px max(24px, calc((100% - 1200px) / 2)); }
.lp-break-ph { margin: 0; flex: none; width: 210px; padding: 7px; background: #fff; transform: rotate(-3deg); box-shadow: 6px 6px 0 var(--yellow); }
.lp-break-ph img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.lp-break p { font-family: var(--serif); font-size: clamp(24px, 2.6vw, 34px); line-height: 1.2; }

/* 02 · Học sinh */
.lp-kids { width: 100%; max-width: none; padding-left: max(24px, calc((100% - 1200px) / 2)); padding-right: max(24px, calc((100% - 1200px) / 2)); background: var(--sun); }
/* 5 hoạt động hiện cùng lúc, không cần cuộn ngang */
.lp-acts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.lp-act { margin: 0; }
.lp-act img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; background: var(--paper-2); }
.lp-act figcaption { margin-top: 12px; font-size: 14.5px; color: var(--ink-2); }
.lp-act b { display: block; font-size: 18px; color: var(--ink); }
.lp-pledge { margin-top: 64px; max-width: 1200px; }
.lp-pledge-head { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 48px; align-items: center; }
.lp-pledge-ph { margin: 0; padding: 10px; background: #fff; box-shadow: 8px 8px 0 var(--ink); transform: rotate(2deg); transition: transform .3s; }
.lp-pledge-ph:hover { transform: rotate(0) scale(1.02); }
.lp-pledge-ph img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.lp-pledge-big { font-family: var(--serif); font-weight: 700; font-size: clamp(32px, 4.4vw, 60px); line-height: 1.12; letter-spacing: -.02em; }
.lp-pledge ul { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.lp-pledge li { padding: 20px 22px 6px 0; font-size: 15.5px; color: var(--ink-2); }
.lp-pledge li b { display: block; font-size: 18px; color: var(--ink); margin-bottom: 4px; }

/* 03 · Lộ trình */
.lp-line { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr 1.3fr; border-top: 2px solid var(--ink); }
.lp-line li { position: relative; padding: 30px 32px 0 0; }
.lp-line-ph { margin: 0 0 18px; }
.lp-line-ph img { width: 100%; height: 220px; object-fit: cover; background: var(--paper-2); }
.lp-line li::before { content: ''; position: absolute; top: -8px; left: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--paper); border: 2px solid var(--ink); }
.lp-line li.lp-fork::before { background: var(--yellow); }
.lp-line span { font-size: 12.5px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--red); }
.lp-line h3 { font-family: var(--serif); font-size: 26px; margin: 8px 0 6px; }
.lp-line p { color: var(--ink-2); font-size: 15.5px; margin-bottom: 14px; }
.lp-partners { margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--rule); }
.lp-partner-grid { list-style: none; margin: 20px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.lp-partner-grid a, .lp-partner-grid li > div { height: 100%; display: flex; flex-direction: column; gap: 10px; text-decoration: none; }
.lp-pn { font-size: 13px; font-weight: 700; line-height: 1.3; color: var(--ink-2); min-height: 2.6em; }
.lp-pl { display: grid; place-items: center; height: 84px; padding: 12px 14px; background: #fff; border: 1px solid var(--rule); transition: transform .25s, box-shadow .25s, border-color .25s; }
.lp-pl img { max-width: 100%; max-height: 56px; width: auto; height: auto; object-fit: contain; }
.lp-pl.is-text b { font-family: var(--serif); font-size: 15px; line-height: 1.2; text-align: center; color: var(--navy); }
.lp-partner-grid a:hover .lp-pl { transform: translateY(-4px); border-color: var(--ink); box-shadow: 4px 4px 0 var(--yellow); }

/* 04 · Học phí */
.lp-fee { border-top: 1px solid var(--rule); }
.lp-fee-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: stretch; }
/* Thẻ học phí: cùng phong cách và cùng chiều cao với phiếu ưu đãi */
.lp-fee-card { display: flex; flex-direction: column; background: #fff; border: 2px solid var(--ink); box-shadow: 10px 10px 0 var(--yellow); }
.lp-fee-top { position: relative; overflow: hidden; isolation: isolate; background: var(--navy); color: #fff; padding: 28px 30px 24px; }
.lp-fee-top::before { content: 'đ'; position: absolute; right: -6px; top: -96px; z-index: -1; font-family: var(--serif); font-weight: 800; font-size: 300px; line-height: 1; color: rgba(255, 255, 255, .07); }
.lp-fee-tag { display: inline-block; padding: 6px 12px; background: var(--yellow); color: var(--ink); font-size: 12.5px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; transform: rotate(-2deg); }
.lp-fee-top h3 { font-family: var(--serif); font-size: clamp(30px, 3vw, 40px); line-height: 1.1; color: #fff; margin: 14px 0 6px; }
.lp-fee-top p:last-child { font-size: 15.5px; color: #C9D2EE; }
.lp-fee-body { flex: 1; display: flex; padding: 4px 30px 0; }
.lp-fee-card .lp-table { height: 100%; border-top: 0; }
.lp-fee-card .lp-table tbody tr:last-child th, .lp-fee-card .lp-table tbody tr:last-child td { border-bottom: 0; }
.lp-fee-foot { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 18px 30px; border-top: 2px dashed rgba(15, 27, 61, .35); color: var(--red) !important; font-weight: 800; font-size: 15.5px; text-decoration: none; }
.lp-fee-foot svg { width: 18px; height: 18px; animation: lp-nudge 1.6s ease-in-out infinite; }
.lp-fee-foot:hover { background: var(--sun); }
.lp-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; border-top: 2px solid var(--ink); }
.lp-table th, .lp-table td { padding: 14px 6px; text-align: right; border-bottom: 1px solid var(--rule); font-size: 16px; }
.lp-table thead th { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.lp-table th:first-child, .lp-table td:first-child { text-align: left; padding-left: 0; }
.lp-table tbody th { font-weight: 700; font-size: 17px; }
.lp-table .lp-sum { font-family: var(--serif); font-weight: 700; color: var(--navy); font-size: 24px; letter-spacing: -.01em; }
.lp-table .lp-sum small { font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--muted); margin-left: 3px; }
.lp-table tbody tr:hover { background: rgba(255, 230, 0, .18); }

/* Phiếu ưu đãi + form giữ suất */
.lp-promo { position: relative; background: #fff; border: 2px solid var(--ink); box-shadow: 10px 10px 0 var(--yellow); }
.lp-promo-top { position: relative; overflow: hidden; isolation: isolate; background: var(--red); color: #fff; padding: 28px 30px 26px; }
.lp-promo-top::before { content: '%'; position: absolute; right: -18px; top: -86px; z-index: -1; font-family: var(--serif); font-weight: 800; font-size: 300px; line-height: 1; color: rgba(255, 255, 255, .09); }
.lp-promo-top::after { content: ''; position: absolute; top: 0; bottom: 0; left: -40%; width: 30%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .22), transparent); transform: skewX(-20deg); animation: lp-shine 5s ease-in-out infinite; pointer-events: none; }
.lp-promo-tag { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; background: var(--yellow); color: var(--ink); font-size: 12.5px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; transform: rotate(-2deg); animation: lp-wiggle 3.2s ease-in-out infinite; }
.lp-promo-tag svg { width: 17px; height: 17px; }
.lp-promo-top h3 { font-family: var(--serif); font-size: clamp(34px, 3.6vw, 48px); line-height: 1.1; color: #fff; margin: 14px 0 6px; }
.lp-promo-top em { font-style: normal; color: var(--yellow); display: inline-block; animation: lp-beat 2.4s ease-in-out infinite; }
.lp-promo-save { font-size: 16px; color: rgba(255, 255, 255, .92); }
.lp-promo-save b { color: var(--yellow); font-size: 18px; }
.lp-promo-deals { list-style: none; margin: 20px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.lp-promo-deals li { display: flex; flex-direction: column; gap: 4px; padding: 12px 10px; border: 1.5px dashed rgba(255, 255, 255, .55); background: rgba(255, 255, 255, .08); font-size: 13px; line-height: 1.3; font-weight: 600; transition: background .2s, transform .2s; }
.lp-promo-deals li:hover { background: rgba(255, 255, 255, .18); transform: translateY(-3px); }
.lp-promo-deals b { font-family: var(--serif); font-size: 28px; line-height: 1; color: var(--yellow); }
.lp-promo-cut { position: relative; height: 0; border-top: 2px dashed rgba(15, 27, 61, .35); }
.lp-promo-cut::before, .lp-promo-cut::after { content: ''; position: absolute; top: -15px; width: 28px; height: 28px; border-radius: 50%; background: var(--paper); border: 2px solid var(--ink); }
.lp-promo-cut::before { left: -16px; clip-path: inset(0 0 0 50%); }
.lp-promo-cut::after { right: -16px; clip-path: inset(0 50% 0 0); }
.lp-promo-form { padding: 24px 30px 28px; }
.lp-promo-h { font-family: var(--serif); font-size: 26px; font-weight: 700; line-height: 1.2; }
.lp-promo-s { margin-top: 4px; font-size: 15px; color: var(--ink-2); }
.lp-promo-form .lp-form { margin-top: 16px; gap: 16px; }
.lp-promo-form .lp-form-fields { grid-template-columns: 1fr 1fr 1fr; gap: 12px 20px; align-items: end; }

/* 05 · Nhập học + hỏi đáp */
.lp-faq { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; border-top: 1px solid var(--rule); }
.lp-steps ol { list-style: none; margin: 32px 0 0; padding: 0; counter-reset: st; }
.lp-steps li { counter-increment: st; display: grid; grid-template-columns: 64px 1fr; padding: 16px 0; border-top: 1px solid var(--rule); color: var(--ink-2); font-size: 15.5px; }
.lp-steps li::before { content: counter(st); grid-row: span 2; font-family: var(--serif); font-size: 44px; line-height: 1; color: var(--blue); }
.lp-steps li b { display: block; color: var(--ink); font-size: 18px; }
.lp-qa .lp-label { margin-bottom: 18px; }
.lp-qa details { border-top: 1px solid var(--rule); }
.lp-qa details:last-child { border-bottom: 1px solid var(--rule); }
.lp-qa summary { list-style: none; cursor: pointer; padding: 20px 44px 20px 0; position: relative; font-size: 18px; font-weight: 700; }
.lp-qa summary::-webkit-details-marker { display: none; }
.lp-qa summary::after { content: '+'; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 26px; font-weight: 400; color: var(--blue); transition: transform .2s; }
.lp-qa details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.lp-qa details > div { padding: 0 44px 22px 0; color: var(--ink-2); font-size: 16px; }

/* Đăng ký */
.lp-final { background: var(--navy); color: #D5DBEE; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 64px; padding: 96px max(24px, calc((100% - 1200px) / 2)); align-items: center; }
.lp-final .lp-label { color: var(--yellow); }
.lp-final h2 { font-family: var(--serif); color: #fff; font-size: clamp(32px, 3.6vw, 50px); line-height: 1.24; letter-spacing: -.015em; margin: 16px 0 18px; }
.lp-final mark { color: var(--navy); background: linear-gradient(transparent 14%, var(--yellow) 14%, var(--yellow) 96%, transparent 96%) no-repeat 0 0 / 100% 100%; padding: 0 .14em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.lp-final-copy > p { font-size: 17px; max-width: 520px; }
.lp-bigtel { display: inline-flex; align-items: center; gap: 12px; margin-top: 30px; font-family: var(--serif); font-size: clamp(32px, 3.6vw, 48px); font-weight: 700; color: var(--yellow) !important; text-decoration: none; }
.lp-bigtel svg { width: 32px; height: 32px; }
.lp-addr { margin-top: 10px; font-size: 14.5px; color: #A9B3D4; }
.lp-addr a { color: #fff; }
.lp-final-form { background: var(--paper); color: var(--ink); padding: 36px 34px; }
.lp-final-form .lp-form-fields { grid-template-columns: 1fr 1fr; }
.lp-f-wide { grid-column: 1 / -1; }

.lp-foot { text-align: center; font-size: 13.5px; color: var(--muted); padding: 22px 24px 26px; }
.lp-foot a { color: var(--blue); }

/* Thanh đăng ký cố định (máy tính) */
.lp-sticky { position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; display: flex; align-items: center; gap: 22px; padding: 12px max(24px, calc((100% - 1200px) / 2)); background: var(--ink); color: #D5DBEE; transform: translateY(110%); transition: transform .3s ease; }
.lp-sticky.show { transform: none; }
.lp-sticky p { font-size: 15px; margin-right: auto; }
.lp-sticky b { color: #fff; }
.lp-sticky-tel { display: inline-flex; align-items: center; gap: 8px; color: #fff !important; text-decoration: none; font-weight: 700; }
.lp-sticky .lp-cta { padding: 13px 22px; }
.lp-bar { display: none; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

/* Máy tính bảng */
@media (max-width: 1024px) {
  .lp-nav { display: none; }
  .lp-break { grid-template-columns: auto minmax(0, 1fr); gap: 24px 32px; }
  .lp-break .lp-cta { grid-column: 2; justify-self: start; }
  .lp-deal-btn { margin-left: auto; }
  .lp-promo-deals { grid-template-columns: repeat(3, 1fr); }
  .lp-hero { grid-template-columns: 1fr; min-height: 0; }
  .lp-hero-photo { aspect-ratio: 16 / 10; max-height: 56vh; }
  .lp-hero-copy { padding: 36px 24px 44px; }
  .lp-hero-form, .lp-lead { max-width: none; }
  .lp-facts { grid-template-columns: 1fr 1fr; }
  .lp-facts div:nth-child(3) { border-left: 0; padding-left: 0; }
  .lp-facts div:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .lp-parents-grid, .lp-people, .lp-fee-grid, .lp-faq, .lp-final { grid-template-columns: 1fr; gap: 40px; }
  .lp-parents-media { position: static; }
  .lp-leaders { grid-column: auto; }
  .lp-pledge ul { grid-template-columns: 1fr 1fr; }
  .lp-pledge-head { grid-template-columns: 1fr; gap: 28px; }
  .lp-pledge-ph { max-width: 460px; }
  .lp-acts { grid-template-columns: repeat(3, 1fr); }
  .lp-act:first-child { grid-column: span 2; }
  .lp-act:first-child img { aspect-ratio: 5 / 3; }
  .lp-line { grid-template-columns: 1fr 1fr; }
  .lp-line li.lp-fork { grid-column: 1 / -1; padding-top: 40px; }
  .lp-sticky { display: none; }
  body.lp { padding-bottom: 68px; }
  .lp-bar { display: grid; grid-template-columns: 1fr 1fr 1.6fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; background: var(--paper); border-top: 1px solid var(--rule); padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); gap: 8px; }
  .lp-bar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; text-decoration: none; font-size: 12.5px; font-weight: 700; color: var(--ink); }
  .lp-bar svg { width: 22px; height: 22px; color: var(--red); }
  .lp-bar .lp-zalo { display: grid; place-items: center; height: 22px; padding: 0 6px; background: #0068FF; color: #fff; font-size: 11px; border-radius: 3px; }
  .lp-bar .lp-bar-cta { background: var(--red); color: #fff; font-size: 15.5px; border-radius: 4px; }
}

/* Điện thoại */
@media (max-width: 640px) {
  :root { --wrap: calc(100% - 32px); }
  body.lp { font-size: 16px; }
  .lp-top { height: 58px; gap: 12px; padding: 0 16px; }
  .lp-brand img { height: 34px; }
  .lp-brand { gap: 8px; }
  .lp-brand span { font-size: 9px; letter-spacing: .06em; white-space: nowrap; }
  .lp-brand b { font-size: 18px; }
  .lp-tel { margin-left: 10px; padding-left: 10px; font-size: 14px; }
  .lp-tel span { display: none; }
  .lp-tel svg { width: 22px; height: 22px; }
  .lp-deal-btn { font-size: 13.5px; padding: 7px 12px 7px 10px; }
  .lp-promo { box-shadow: 6px 6px 0 var(--yellow); }
  .lp-promo-top { padding: 24px 18px 22px; }
  .lp-promo-deals { grid-template-columns: 1fr 1fr; }
  .lp-promo-deals li:last-child { grid-column: 1 / -1; }
  .lp-promo-form { padding: 22px 18px 24px; }
  .lp-fee-card { box-shadow: 6px 6px 0 var(--yellow); }
  .lp-fee-top { padding: 24px 18px 20px; }
  .lp-fee-body { padding: 0 18px; }
  .lp-fee-foot { padding: 16px 18px; }
  .lp-promo-h { font-size: 23px; }
  .lp-promo-form .lp-form-fields { grid-template-columns: 1fr; }
  .lp-hero-photo { aspect-ratio: 4 / 3; max-height: none; }
  .lp-hero-photo figcaption { left: 16px; bottom: 14px; }
  .lp-hero-copy { padding: 28px 16px 36px; }
  .lp-hero h1 { font-size: 38px; }
  .lp-lead { font-size: 16.5px; }
  .lp-facts div { padding: 22px 12px 20px; }
  .lp-facts div:nth-child(even) { padding-right: 0; }
  .lp-facts b { font-size: 40px; }
  .lp-offer { padding: 14px 16px; font-size: 15px; box-shadow: 4px 4px 0 var(--ink); margin-top: 22px; }
  .lp-offer a { margin-left: 0; }
  .lp-partner-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .lp-sec { padding: 60px 0; }
  .lp-sec-head { margin-bottom: 34px; }
  .lp-sec-head h2, .lp-steps h2 { font-size: 32px; }
  .lp-sec-sub { font-size: 16.5px; }
  .lp-parents-grid { gap: 48px; }
  .lp-reasons li { grid-template-columns: 52px 1fr; padding: 20px 0; }
  .lp-no { font-size: 28px; }
  .lp-reasons h3 { font-size: 18.5px; }
  .lp-reasons p { font-size: 15px; }
  .lp-people { margin-top: 72px; }
  .lp-team img { aspect-ratio: 3 / 2; }
  .lp-leaders { gap: 8px; }
  .lp-leader b { font-size: 12.5px; }
  .lp-leader figcaption { font-size: 11.5px; }
  .lp-break { grid-template-columns: 1fr; gap: 24px; padding: 36px 16px; }
  .lp-break .lp-cta { width: 100%; grid-column: auto; }
  .lp-break-ph { width: 100%; max-width: 300px; }
  .lp-kids { padding-left: 16px; padding-right: 16px; }
  .lp-acts { grid-template-columns: 1fr 1fr; gap: 18px 12px; }
  .lp-act figcaption { font-size: 13.5px; margin-top: 8px; }
  .lp-act b { font-size: 16px; }
  .lp-line-ph img { height: auto; aspect-ratio: 16 / 9; }
  .lp-pledge { margin-top: 56px; }
  .lp-pledge-big { font-size: 30px; }
  .lp-pledge ul { grid-template-columns: 1fr; }
  .lp-pledge li { padding: 16px 0 4px; border-top: 1px solid var(--rule); }
  .lp-pledge li:first-child { border-top: 0; }
  .lp-line { grid-template-columns: 1fr; border-top: 0; border-left: 2px solid var(--ink); padding-left: 22px; }
  .lp-line li, .lp-line li.lp-fork { padding: 0 0 18px; }
  .lp-line li::before { top: 2px; left: -31px; }
  .lp-line h3 { font-size: 23px; }
  .lp-table th, .lp-table td { padding: 12px 6px; font-size: 14px; }
  .lp-table thead th { font-size: 10.5px; letter-spacing: .04em; }
  .lp-table .lp-sum { font-size: 21px; }
  .lp-qa summary { font-size: 16.5px; }
  .lp-final { padding: 60px 16px; }
  .lp-final-form { padding: 26px 18px; }
  .lp-final-form .lp-form-fields, .lp-hero-form .lp-form-fields { grid-template-columns: 1fr; }
}

/* =========================================================
   Hiệu ứng thu hút: banner chuyển động, nút gọi rung, nút nhấn lóe sáng,
   nội dung trượt vào khi cuộn tới
   ========================================================= */
@keyframes lp-kb { from { transform: scale(1.02); } to { transform: scale(1.14) translate(-1.5%, -1%); } }
@keyframes lp-up { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@keyframes lp-mark { from { background-size: 0 100%; } to { background-size: 100% 100%; } }
@keyframes lp-ring { 0%, 55%, 100% { transform: rotate(0); } 60% { transform: rotate(-16deg); } 65% { transform: rotate(14deg); } 70% { transform: rotate(-12deg); } 75% { transform: rotate(9deg); } 80% { transform: rotate(-5deg); } 85% { transform: rotate(0); } }
@keyframes lp-wave { from { transform: scale(.85); opacity: .7; } to { transform: scale(2.1); opacity: 0; } }
@keyframes lp-nudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(5px); } }
@keyframes lp-shine { 0%, 65% { left: -40%; } 100% { left: 130%; } }
@keyframes lp-glow { 0% { box-shadow: 0 0 0 0 rgba(223, 42, 35, .55); } 70%, 100% { box-shadow: 0 0 0 14px rgba(223, 42, 35, 0); } }
@keyframes lp-dot { 0% { box-shadow: 0 0 0 0 rgba(223, 42, 35, .5); } 100% { box-shadow: 0 0 0 10px rgba(223, 42, 35, 0); } }
@keyframes lp-dot-w { 0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, .8); } 100% { box-shadow: 0 0 0 9px rgba(255, 255, 255, 0); } }
@keyframes lp-bob { 0%, 70%, 100% { transform: translateY(0); } 80% { transform: translateY(-4px); } 90% { transform: translateY(0); } 95% { transform: translateY(-2px); } }
@keyframes lp-gift { 0%, 70%, 100% { transform: rotate(0) scale(1); } 76% { transform: rotate(-14deg) scale(1.15); } 82% { transform: rotate(12deg) scale(1.15); } 88% { transform: rotate(-8deg); } 94% { transform: rotate(4deg); } }
@keyframes lp-beat { 0%, 60%, 100% { transform: scale(1); } 70% { transform: scale(1.12); } 80% { transform: scale(1); } 88% { transform: scale(1.08); } }
@keyframes lp-wiggle { 0%, 80%, 100% { transform: rotate(-3deg); } 85% { transform: rotate(3deg) scale(1.06); } 90% { transform: rotate(-5deg) scale(1.06); } 95% { transform: rotate(2deg); } }

/* Banner: ảnh zoom chậm, chữ hiện lần lượt */
.lp-hero-photo img { transform-origin: 60% 40%; animation: lp-kb 20s ease-in-out infinite alternate; will-change: transform; }
.lp-hero-copy > * { animation: lp-up .8s cubic-bezier(.2, .7, .2, 1) both; }
.lp-hero-copy > :nth-child(2) { animation-delay: .1s; }
.lp-hero-copy > :nth-child(3) { animation-delay: .2s; }
.lp-hero-copy > :nth-child(4) { animation-delay: .3s; }
.lp-hero-copy > :nth-child(5) { animation-delay: .4s; }
.lp-hero-copy > :nth-child(6) { animation-delay: .45s; }
.lp-hero h1 mark { animation: lp-mark 1s .7s cubic-bezier(.6, 0, .2, 1) both; }
.lp-urgent::before { animation: lp-dot 1.6s ease-out infinite; }

/* Nút nhấn: vệt sáng lướt qua, mũi tên nhích */
.lp-cta::after { content: ''; position: absolute; top: 0; bottom: 0; left: -40%; width: 30%; z-index: -1; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .38), transparent); transform: skewX(-20deg); animation: lp-shine 4.2s ease-in-out infinite; pointer-events: none; }
.lp-cta svg { animation: lp-nudge 1.6s ease-in-out infinite; }
.lp-sticky .lp-cta, .lp-bar .lp-bar-cta { animation: lp-glow 2s ease-out infinite; }

/* Nút gọi: biểu tượng điện thoại rung, sóng lan */
.lp-tel svg, .lp-sticky-tel svg, .lp-ic svg { animation: lp-ring 2.8s ease-in-out infinite; transform-origin: 50% 50%; }
.lp-ic { position: relative; display: inline-grid; place-items: center; }
.lp-ic::before, .lp-ic::after { content: ''; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid currentColor; opacity: 0; animation: lp-wave 2.2s ease-out infinite; pointer-events: none; }
.lp-ic::after { animation-delay: 1.1s; }
.lp-bigtel .lp-ic { width: 54px; height: 54px; border-radius: 50%; background: rgba(255, 230, 0, .12); }
.lp-bar .lp-ic { color: var(--red); }
.lp-bar .lp-zalo { animation: lp-bob 2.6s ease-in-out infinite; }

/* Nội dung trượt vào khi cuộn tới (chỉ bật khi có JavaScript) */
body.lp > main { overflow-x: clip; }
.lp-js [data-rv] { opacity: 0; transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .9s cubic-bezier(.2, .7, .2, 1); transition-delay: var(--d, 0s); }
.lp-js [data-rv="up"] { transform: translateY(56px); }
.lp-js [data-rv="left"] { transform: translateX(-72px); }
.lp-js [data-rv="right"] { transform: translateX(72px); }
.lp-js [data-rv="zoom"] { transform: scale(.9); }
.lp-js [data-rv="pop"] { transform: scale(.6); transition-timing-function: cubic-bezier(.2, .7, .2, 1), cubic-bezier(.34, 1.6, .64, 1); }
.lp-js [data-rv].is-in { opacity: 1; transform: none; }
.lp-js [data-rv] mark { background-size: 0 100%; transition: background-size .9s cubic-bezier(.6, 0, .2, 1) .45s; }
.lp-js [data-rv].is-in mark { background-size: 100% 100%; }
/* Đường lộ trình tự vẽ */
@media (min-width: 641px) {
  .lp-js .lp-line[data-rv] { opacity: 1; transform: none; border-top-color: transparent; position: relative; }
  .lp-js .lp-line[data-rv]::after { content: ''; position: absolute; left: 0; right: 0; top: -2px; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform 1.4s cubic-bezier(.6, 0, .2, 1); }
  .lp-js .lp-line[data-rv].is-in::after { transform: scaleX(1); }
}

/* Con số dùng font Be Vietnam Pro cho dễ đọc */
.lp-facts b, .lp-no, .lp-table .lp-sum, .lp-promo-deals b, .lp-promo-top em, .lp-steps li::before, .lp-bigtel, .lp-fee .lp-sec-head mark { font-family: var(--sans); font-style: normal; font-variant-numeric: tabular-nums lining-nums; }
.lp-facts b { font-weight: 800; letter-spacing: -.03em; font-size: clamp(38px, 4vw, 56px); }
.lp-no { font-weight: 800; font-size: 26px; letter-spacing: -.02em; }
.lp-table .lp-sum { font-weight: 800; font-size: 21px; letter-spacing: -.01em; }
.lp-promo-deals b { font-weight: 800; font-size: 26px; letter-spacing: -.02em; }
.lp-promo-top em { font-weight: 800; letter-spacing: -.02em; }
.lp-steps li::before { font-weight: 800; font-size: 36px; }
.lp-bigtel { font-weight: 800; letter-spacing: -.01em; font-size: clamp(30px, 3.2vw, 42px); }
.lp-fee .lp-sec-head mark { font-weight: 800; letter-spacing: -.03em; }
@media (max-width: 640px) {
  .lp-facts b { font-size: 36px; }
  .lp-no { font-size: 22px; }
  .lp-table .lp-sum { font-size: 19px; }
}