/* Landing v2 — "Học cùng Tako" (khách ở "/"). Chỉ dùng token --tk-* của tako.css; mọi lớp có tiền tố lp- (hook test cũ tks-* giữ nguyên).
   Mobile-first. Không url() ra ngoài, không @import. Chuyển động chỉ bằng transform/opacity (không gây layout shift) và tắt hẳn khi
   prefers-reduced-motion. Lớp html.lp-js do /landing.js đặt: không có JS thì mọi nội dung hiện ngay. */

/* ---------- nền & khung ---------- */
.lp { --lp-ink: var(--tk-indigo); --lp-r: 28px; --lp-shadow: 0 30px 60px -30px rgba(35,26,82,.38); --lp-line: #F1E3D3;
  background: var(--tk-beige); color: var(--tk-charcoal); overflow-x: clip; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
.lp *, .lp *::before, .lp *::after { box-sizing: border-box; }
.lp img, .lp video, .lp svg { max-width: 100%; }
.lp-wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.lp-hero-in > *, .lp-video-grid > *, .lp-row > *, .lp-exam-in > *, .lp-faq-wrap > *, .lp-final-in > *, .lp-panel > * { min-width: 0; }
.lp h1, .lp h2, .lp h3 { color: var(--lp-ink); letter-spacing: -.02em; overflow-wrap: break-word; margin: 0; text-wrap: balance; }
.lp p { margin: 0; }
.lp a { color: var(--tk-indigo-600); }
.lp .sr-only { position: absolute; left: 0; top: 0; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.lp-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--tk-coral-700); margin: 0 0 10px !important; }
.lp-eyebrow-ic img { width: 30px; height: 30px; }
.lp-eyebrow-light { color: var(--tk-mikan); }
.lp :focus-visible { outline: 3px solid var(--tk-indigo-600); outline-offset: 3px; border-radius: 10px; }

/* ---------- nút ---------- */
.lp .tks-btn { gap: 10px; }
.lp .tks-btn svg { transition: transform .2s; }
.lp .tks-btn:hover svg { transform: translateX(3px); }
.lp-btn-main { box-shadow: 0 6px 0 -2px var(--tk-coral-800), 0 18px 30px -12px rgba(214,61,39,.55); }
.lp-btn-play { display: inline-flex; align-items: center; gap: 12px; min-height: 54px; padding: 6px 20px 6px 6px; border-radius: 999px; background: #fff; color: var(--tk-indigo) !important;
  font-weight: 800; text-decoration: none; border: 2px solid var(--tk-indigo-100); box-shadow: 0 4px 0 -2px var(--tk-indigo-100); transition: transform .15s; }
.lp-btn-play:hover { transform: translateY(-1px); }
.lp-btn-play small { font-weight: 600; color: var(--tk-slate); font-size: 13px; }
.lp-play-ic { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--tk-indigo); color: #fff; position: relative; }
.lp-play-ic::after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 2px solid var(--tk-indigo-100); animation: lp-ping 2.4s ease-out infinite; }
.lp-btn-light { background: #fff; color: var(--tk-indigo) !important; border-color: #fff; box-shadow: 0 6px 0 -2px rgba(35,26,82,.35); }
.lp-link-light { color: #fff !important; font-weight: 750; align-self: center; text-decoration: underline; text-underline-offset: 4px; }
.lp-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 26px; }

/* ---------- thanh trên ---------- */
.lp-top { position: sticky; top: 0; z-index: 40; transition: background .25s, box-shadow .25s; background: rgba(255,247,237,.0); }
.lp-top.is-stuck { background: rgba(255,247,237,.86); -webkit-backdrop-filter: saturate(1.4) blur(12px); backdrop-filter: saturate(1.4) blur(12px); box-shadow: 0 1px 0 var(--lp-line), 0 10px 30px -20px rgba(35,26,82,.3); }
.lp-top-in { display: flex; align-items: center; gap: 10px; min-height: 64px; }
.lp-top .tks-logo img { width: 92px; height: auto; display: block; }
.lp-top-login, .lp-top-cta { white-space: nowrap; }
.lp-nav { display: none; gap: 2px; margin-left: auto; }
.lp-nav a { padding: 8px 12px; border-radius: 10px; color: var(--tk-charcoal) !important; text-decoration: none; font-weight: 650; font-size: 15px; }
.lp-nav a:hover { background: var(--tk-indigo-50); color: var(--tk-indigo) !important; }
.lp-top-login { margin-left: auto; font-weight: 750; color: var(--tk-indigo) !important; text-decoration: none; padding: 8px 6px; border-radius: 10px; font-size: 14px; }
.lp-top-login:hover { background: var(--tk-indigo-50); }
.lp .lp-top-cta { font-size: 14px; padding: 8px 14px; min-height: 40px; box-shadow: 0 4px 0 -2px var(--tk-coral-800); }
@media (max-width: 359px) { .lp-top-login { display: none; } .lp-top-cta { margin-left: auto; } }
@media (min-width: 980px) { .lp-nav { display: flex; } .lp-top-login { margin-left: 8px; padding: 8px 12px; font-size: 15px; } .lp-top .tks-logo img { width: 136px; } .lp .lp-top-cta { font-size: 15px; padding: 8px 18px; } }

/* ---------- hero ---------- */
.lp-hero { position: relative; padding: 8px 0 44px; isolation: isolate; }
.lp-hero-bg { position: absolute; inset: -80px 0 0; z-index: -1; overflow: hidden; pointer-events: none;
  background: radial-gradient(80% 60% at 85% 10%, #FFE6DE 0%, rgba(255,230,222,0) 60%), radial-gradient(70% 50% at 0% 30%, #EFEDF8 0%, rgba(239,237,248,0) 70%); }
.lp-hero-bg::after { content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: radial-gradient(circle at 50% 100%, transparent 18px, #F3DCC6 19px, #F3DCC6 20px, transparent 21px), radial-gradient(circle at 0 50%, transparent 18px, #F3DCC6 19px, #F3DCC6 20px, transparent 21px);
  background-size: 42px 21px; -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.5), transparent 70%); mask-image: linear-gradient(180deg, rgba(0,0,0,.5), transparent 70%); }
.lp-blob { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .7; animation: lp-drift 14s ease-in-out infinite alternate; }
.lp-blob-a { width: 340px; height: 340px; background: var(--tk-sakura-50); left: -120px; top: 260px; }
.lp-blob-b { width: 260px; height: 260px; background: var(--tk-sky-50); right: -80px; top: 40px; animation-delay: -5s; }
.lp-blob-c { width: 200px; height: 200px; background: var(--tk-mikan-50); right: 30%; bottom: -60px; animation-delay: -9s; }
.lp-hero-in { display: grid; gap: 30px; align-items: center; grid-template-areas: "copy" "stage" "more"; }
.lp-hero-copy { grid-area: copy; } .lp-hero-stage { grid-area: stage; } .lp-hero-more { grid-area: more; }
.lp-hero-more .lp-stores { margin-top: 0; }
.lp-pill { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 10px; border-radius: 999px; background: #fff; border: 1px solid var(--lp-line);
  font-size: 13.5px; font-weight: 750; color: var(--tk-indigo); box-shadow: 0 8px 20px -14px rgba(35,26,82,.4); margin-bottom: 18px !important; }
.lp-pill-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--tk-matcha); box-shadow: 0 0 0 4px var(--tk-matcha-50); }
.lp-hero h1 { font-size: clamp(31px, 8.6vw, 64px); line-height: 1.08; font-weight: 900; }
.lp-mark { position: relative; white-space: nowrap; color: var(--tk-coral-600); z-index: 0; }
.lp-mark::after { content: ""; position: absolute; left: -2%; right: -2%; bottom: .06em; height: .32em; background: var(--tk-mikan); opacity: .45; border-radius: 6px; z-index: -1;
  transform-origin: 0 50%; animation: lp-swipe .9s .35s cubic-bezier(.22,1,.36,1) both; }
.lp-lead { font-size: clamp(17px, 2.2vw, 19.5px); color: var(--tk-slate); margin-top: 18px !important; max-width: 560px; line-height: 1.6; }
.lp-login-hint { margin-top: 14px !important; font-size: 14.5px; color: var(--tk-slate); }
.lp-login-hint a { font-weight: 750; }
.lp-stores { margin-top: 18px; }
@media (max-width: 520px) { .lp .lp-stores { gap: 8px; } .lp .lp-stores .tks-store { min-height: 46px; padding: 6px 12px; gap: 8px; border-radius: 12px; } .lp .lp-stores .tks-store span { font-size: 14px; } .lp .lp-stores .tks-store small { font-size: 10.5px; } .lp .lp-stores svg { width: 18px; height: 18px; } }
.lp-trust { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14.5px; font-weight: 700; color: var(--tk-indigo); }
.lp-trust li { display: inline-flex; align-items: center; gap: 6px; }
.lp-trust svg { color: var(--tk-matcha-700); }
.lp-hero-stage { position: relative; }
.lp-hero-stage::before { content: ""; position: absolute; inset: 8% -6% -4% 6%; border-radius: 40px; background: linear-gradient(135deg, var(--tk-coral-100), var(--tk-indigo-100)); transform: rotate(3deg); z-index: -1; opacity: .7; }
.lp-stage { position: relative; aspect-ratio: 16 / 9; border-radius: var(--lp-r); overflow: hidden; background: #EAF4FF; border: 6px solid #fff;
  box-shadow: 0 40px 80px -36px rgba(35,26,82,.5), 0 0 0 1px rgba(48,36,109,.06); transform: rotate(-1deg); }
.lp-stage-poster, .lp-stage-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.lp-stage-video { opacity: 0; transition: opacity .6s; }
.lp-stage.is-playing .lp-stage-video, .lp-teaser.is-playing .lp-teaser-video { opacity: 1; }
.lp-stage-cap { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 14px !important; font-size: 13px; font-weight: 700; color: var(--tk-slate); text-align: center; }
.lp-live { width: 8px; height: 8px; border-radius: 50%; background: var(--tk-coral); box-shadow: 0 0 0 0 rgba(255,101,79,.6); animation: lp-live 1.8s infinite; flex: none; }
@media (min-width: 960px) {
  .lp-hero { padding: 24px 0 72px; }
  .lp-hero-in { grid-template-columns: .96fr 1.1fr; gap: 22px 56px; grid-template-areas: "copy stage" "more stage"; align-items: start; }
  .lp-hero-copy { align-self: end; } .lp-hero-stage { align-self: center; }
}

/* ---------- dải số liệu ---------- */
.lp-stats { background: linear-gradient(120deg, var(--tk-indigo-800), var(--tk-indigo) 55%, #4A3C96); color: #fff; padding: 30px 0; position: relative; overflow: hidden; }
.lp-stats::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; right: -120px; top: -220px; background: radial-gradient(circle, rgba(255,101,79,.35), transparent 65%); }
.lp-stats-in { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 16px; position: relative; }
.lp-stat { display: flex; flex-direction: column; gap: 2px; }
.lp-stat b { font-size: clamp(34px, 8vw, 52px); font-weight: 900; line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; color: #fff; }
.lp-stat:nth-child(1) b { color: #A9EBD7; } .lp-stat:nth-child(2) b { color: #FFC9BE; } .lp-stat:nth-child(3) b { color: #BFE3FB; } .lp-stat:nth-child(4) b { color: #FFE0AE; }
.lp-stat > span { font-size: 14.5px; color: #DEDAF2; font-weight: 600; }
@media (min-width: 760px) { .lp-stats { padding: 38px 0; } .lp-stats-in { grid-template-columns: repeat(4, minmax(0, 1fr)); } .lp-stat { padding-left: 18px; border-left: 2px solid rgba(255,255,255,.14); } }

/* ---------- section chung ---------- */
.lp-sec { padding: 64px 0 8px; }
.lp-head { text-align: center; max-width: 800px; margin: 0 auto 30px; }
.lp-head h2 { font-size: clamp(28px, 6.4vw, 44px); line-height: 1.12; font-weight: 900; }
.lp-head > p:last-of-type:not(.lp-eyebrow) { margin-top: 12px; color: var(--tk-slate); font-size: 17px; }
.lp-head-left { text-align: left; margin: 0 0 22px; }
@media (min-width: 960px) { .lp-sec { padding: 96px 0 12px; } .lp-head { margin-bottom: 44px; } }

/* ---------- cấp độ ---------- */
.lp-tone-matcha { --lv: var(--tk-matcha-700); --lv2: var(--tk-matcha); --lvs: var(--tk-matcha-50); }
.lp-tone-coral { --lv: var(--tk-coral-700); --lv2: var(--tk-coral); --lvs: var(--tk-coral-50); }
.lp-tone-sky { --lv: var(--tk-sky-700); --lv2: var(--tk-sky); --lvs: var(--tk-sky-50); }
.lp-tone-violet { --lv: var(--tk-violet-700); --lv2: var(--tk-violet); --lvs: var(--tk-violet-50); }
.lp-tone-mikan { --lv: var(--tk-mikan-700); --lv2: var(--tk-mikan); --lvs: var(--tk-mikan-50); }
.lp-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 6px 4px 14px; margin: 0 -20px; padding-inline: 20px; scroll-snap-type: x mandatory; scrollbar-width: none; position: relative; }
.lp-tabs::-webkit-scrollbar { display: none; }
.lp-tabs-line { display: none; }
.lp-tab { flex: 1 0 auto; min-width: 104px; scroll-snap-align: center; display: flex; flex-direction: column; align-items: flex-start; gap: 0; padding: 10px 16px; border-radius: 18px; cursor: pointer;
  background: #fff; border: 2px solid var(--lvs); color: var(--lv); font: inherit; text-align: left; transition: transform .18s, box-shadow .18s, background .18s; }
.lp-tab b { font-size: 24px; font-weight: 900; line-height: 1.1; }
.lp-tab span { font-size: 13px; font-weight: 700; color: var(--tk-slate); }
.lp-tab:hover { transform: translateY(-2px); }
.lp-tab[aria-selected="true"] { background: linear-gradient(135deg, var(--lv2), var(--lv)); color: #fff; border-color: transparent; box-shadow: 0 16px 30px -16px var(--lv); }
.lp-tab[aria-selected="true"] span { color: rgba(255,255,255,.9); }
.lp-panel { display: grid; gap: 0; background: #fff; border-radius: var(--lp-r); overflow: hidden; border: 2px solid var(--lvs); box-shadow: var(--lp-shadow); margin-bottom: 16px; }
.lp-js .lp-panel[hidden] { display: none; }
.lp-panel.is-enter { animation: lp-panel .45s cubic-bezier(.22,1,.36,1); }
.lp-panel-art { position: relative; aspect-ratio: 16 / 9; background: var(--lvs); }
.lp-panel-art img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lp-panel-badge { position: absolute; left: 14px; top: 14px; padding: 6px 14px; border-radius: 999px; background: #fff; color: var(--lv); font-weight: 900; font-size: 15px; box-shadow: 0 8px 18px -10px rgba(0,0,0,.35); }
.lp-panel-body { padding: 22px 20px 24px; }
.lp-panel-body .lp-eyebrow { color: var(--lv); }
.lp-panel-body h3 { font-size: clamp(20px, 4.4vw, 26px); line-height: 1.3; font-weight: 850; }
.lp-panel-body > p:not(.lp-eyebrow):not(.lp-parts) { color: var(--tk-slate); margin-top: 8px; }
.lp-chips { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.lp-chips li { padding: 6px 12px; border-radius: 999px; background: var(--lvs); color: var(--lv); font-weight: 750; font-size: 14px; }
.lp-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 18px 0 0; }
.lp-facts div { background: var(--tk-beige); border-radius: 16px; padding: 10px 12px; }
.lp-facts dt { font-size: 12.5px; color: var(--tk-slate); font-weight: 700; }
.lp-facts dd { margin: 2px 0 0; font-size: clamp(15px, 3.8vw, 20px); white-space: nowrap; font-weight: 900; color: var(--tk-indigo); font-variant-numeric: tabular-nums; }
.lp-parts { margin-top: 12px !important; font-size: 13px; color: var(--tk-slate); }
@media (min-width: 860px) {
  .lp-tabs { margin: 0 0 18px; padding: 6px; background: #fff; border-radius: 22px; border: 1px solid var(--lp-line); overflow: visible; }
  .lp-tab { flex: 1 1 0; border-color: transparent; }
  .lp-panel { grid-template-columns: 1.1fr 1fr; }
  .lp-panel-art { aspect-ratio: auto; min-height: 100%; }
  .lp-panel-body { padding: 34px 34px 32px; align-self: center; }
}

/* ---------- tính năng (hàng xen kẽ + điện thoại) ---------- */
.lp-row { display: grid; gap: 26px; align-items: center; padding: 18px 0 38px; }
.lp-row-media { position: relative; display: flex; justify-content: center; min-height: 200px; }
.lp-row-glow { position: absolute; z-index: 0; width: 82%; aspect-ratio: 1; max-width: 420px; border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.lp-glow-0 { background: radial-gradient(circle, var(--tk-matcha-50) 0%, rgba(227,246,240,0) 70%); }
.lp-glow-1 { background: radial-gradient(circle, var(--tk-sky-50) 0%, rgba(230,244,254,0) 70%); }
.lp-glow-2 { background: radial-gradient(circle, var(--tk-coral-50) 0%, rgba(255,240,236,0) 70%); }
.lp-row-copy h3 { font-size: clamp(24px, 5.6vw, 36px); line-height: 1.16; font-weight: 900; }
.lp-row-copy > p:not(.lp-eyebrow) { margin-top: 12px; color: var(--tk-slate); font-size: 17px; max-width: 520px; }
.lp-ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.lp-ticks li { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--tk-charcoal); }
.lp-ticks svg { flex: none; width: 26px; height: 26px; padding: 5px; border-radius: 50%; background: var(--tk-matcha-50); color: var(--tk-matcha-700); }
.lp-phone { position: relative; z-index: 1; margin: 0; width: min(64vw, 270px); padding: 9px; border-radius: 42px; background: linear-gradient(145deg, #2E3445, #141821);
  box-shadow: 0 40px 70px -30px rgba(35,26,82,.55), inset 0 0 0 2px rgba(255,255,255,.06); }
.lp-phone::before { content: ""; position: absolute; z-index: 2; left: 50%; top: 18px; width: 30%; height: 18px; transform: translateX(-50%); border-radius: 99px; background: #0E1118; }
.lp-phone-screen { position: relative; border-radius: 34px; overflow: hidden; background: #FFF7ED; aspect-ratio: 390 / 844; }
.lp-shot { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; }
.lp-phone-screen::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(255,255,255,.16), rgba(255,255,255,0) 35%); pointer-events: none; }
@media (min-width: 900px) {
  .lp-row { grid-template-columns: 1fr 1fr; gap: 64px; padding: 26px 0 56px; }
  .lp-row.is-flip .lp-row-media { order: 2; }
  .lp-phone { width: 290px; }
  .lp-row-media .lp-phone { transform: rotate(-3deg); }
  .lp-row.is-flip .lp-row-media .lp-phone { transform: rotate(3deg); }
}
/* thẻ nhớ minh hoạ */
.lp-srs { position: relative; width: min(100%, 420px); aspect-ratio: 1 / 1.02; }
.lp-card3d { position: absolute; width: 54%; aspect-ratio: 1.6; perspective: 900px; }
.lp-card3d > div { position: absolute; inset: 0; border-radius: 22px; display: flex; flex-direction: column; align-items: center; justify-content: center; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  box-shadow: 0 24px 40px -22px rgba(35,26,82,.5); transition: transform .8s cubic-bezier(.22,1,.36,1); }
.lp-card-f { background: #fff; border: 3px solid var(--tk-indigo-100); }
.lp-card-f b { font-size: clamp(34px, 9vw, 52px); font-weight: 800; color: var(--tk-indigo); line-height: 1.1; }
.lp-card-f small { color: var(--tk-slate); font-weight: 700; font-size: 14px; }
.lp-card-b { transform: rotateY(180deg); color: #fff; font-weight: 900; font-size: clamp(24px, 6vw, 32px); }
.lp-card-1 { left: 0; top: 0; transform: rotate(-6deg); } .lp-card-1 .lp-card-b { background: linear-gradient(135deg, var(--tk-matcha), var(--tk-matcha-700)); }
.lp-card-2 { right: 0; top: 20%; transform: rotate(5deg); } .lp-card-2 .lp-card-b { background: linear-gradient(135deg, var(--tk-sky), var(--tk-sky-700)); }
.lp-card-3 { left: 14%; top: 42%; transform: rotate(-2deg); } .lp-card-3 .lp-card-b { background: linear-gradient(135deg, #4A3C96, var(--tk-indigo)); }
.lp-srs.is-in .lp-card-f { animation: lp-flip-f 7.5s cubic-bezier(.22,1,.36,1) infinite; }
.lp-srs.is-in .lp-card-b { animation: lp-flip-b 7.5s cubic-bezier(.22,1,.36,1) infinite; }
.lp-srs.is-in .lp-card-2 > div { animation-delay: 1.2s; } .lp-srs.is-in .lp-card-3 > div { animation-delay: 2.4s; }
.lp-curve { position: absolute; left: 4%; right: 4%; bottom: 2%; width: 92%; height: 22%; overflow: visible; }
.lp-curve path { fill: none; stroke: var(--tk-coral); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 900; stroke-dashoffset: 0; }
.lp-js .lp-srs .lp-curve path { stroke-dashoffset: 900; }
.lp-js .lp-srs.is-in .lp-curve path { transition: stroke-dashoffset 2.4s .3s ease; stroke-dashoffset: 0; }

/* ---------- thi thử (section tối) ---------- */
.lp-exam { position: relative; margin-top: 56px; padding: 64px 0 72px; color: #EFEDF8; background: var(--tk-indigo-800); overflow: hidden; isolation: isolate; }
.lp-exam-bg { position: absolute; inset: 0; z-index: -1; background:
  radial-gradient(50% 60% at 90% 10%, rgba(255,101,79,.28) 0%, transparent 70%), radial-gradient(40% 50% at 0% 100%, rgba(99,187,245,.22) 0%, transparent 70%),
  linear-gradient(160deg, #231A52, #30246D 60%, #2A1F63); }
.lp-exam-bg::after { content: ""; position: absolute; inset: 0; opacity: .08;
  background-image: radial-gradient(circle at 50% 100%, transparent 18px, #fff 19px, #fff 20px, transparent 21px), radial-gradient(circle at 0 50%, transparent 18px, #fff 19px, #fff 20px, transparent 21px); background-size: 42px 21px; }
.lp-exam-in { display: grid; gap: 40px; align-items: center; }
.lp-exam h2 { color: #fff; font-size: clamp(28px, 6.4vw, 44px); line-height: 1.12; font-weight: 900; }
.lp-exam-copy > p:not(.lp-eyebrow) { margin-top: 14px; color: #DEDAF2; font-size: 17px; }
.lp-exam-list { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; gap: 14px; }
.lp-exam-list li { display: grid; grid-template-columns: 44px 1fr; column-gap: 12px; color: #C9C3EA; font-size: 15px; }
.lp-exam-list li span { grid-row: span 2; width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: rgba(255,255,255,.1); color: var(--tk-mikan); }
.lp-exam-list b { color: #fff; font-size: 16.5px; }
.lp-exam-demo { position: relative; display: grid; justify-items: center; }
.lp-quiz { position: relative; z-index: 2; width: min(100%, 440px); background: #fff; color: var(--tk-charcoal); border-radius: var(--lp-r); padding: 20px; box-shadow: 0 40px 80px -30px rgba(0,0,0,.55); }
.lp-quiz-top { display: flex; justify-content: space-between; align-items: center; }
.lp-quiz-lv { font-weight: 850; font-size: 13.5px; color: var(--tk-matcha-700); background: var(--tk-matcha-50); padding: 4px 12px; border-radius: 999px; }
.lp-quiz-timer { display: inline-flex; align-items: center; gap: 6px; font-weight: 900; color: var(--tk-indigo); background: var(--tk-indigo-50); padding: 5px 12px; border-radius: 999px; font-variant-numeric: tabular-nums; }
.lp-quiz-q { margin-top: 16px !important; font-size: 14.5px; color: var(--tk-slate); font-weight: 650; }
.lp-quiz-jp { margin-top: 6px !important; font-size: clamp(19px, 5.2vw, 24px); word-break: keep-all; line-break: strict; font-weight: 700; color: var(--tk-indigo); }
.lp-quiz-jp u { text-decoration-color: var(--tk-coral); text-decoration-thickness: 3px; text-underline-offset: 6px; }
.lp-quiz-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.lp-opt { display: flex; align-items: center; gap: 10px; min-height: 52px; padding: 8px 12px; border-radius: 16px; border: 2px solid var(--tk-indigo-100); background: #fff; cursor: pointer;
  font: inherit; font-size: 19px; font-weight: 700; color: var(--tk-indigo); transition: transform .12s, border-color .15s, background .15s; text-align: left; }
.lp-opt > span:first-child { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-size: 14px; font-weight: 850; background: var(--tk-indigo-50); flex: none; }
.lp-opt:hover:not(:disabled) { transform: translateY(-2px); border-color: var(--tk-indigo-600); }
.lp-opt.is-right { border-color: var(--tk-matcha-700); background: var(--tk-matcha-50); color: var(--tk-matcha-800); animation: lp-pop .4s; }
.lp-opt.is-right > span:first-child { background: var(--tk-matcha-700); color: #fff; }
.lp-opt.is-wrong { border-color: var(--tk-coral-600); background: var(--tk-coral-50); color: var(--tk-coral-700); animation: lp-shake .4s; }
.lp-opt:disabled { cursor: default; }
.lp-quiz-fb { margin-top: 14px !important; min-height: 48px; font-size: 15px; color: var(--tk-slate); font-weight: 650; }
.lp-quiz-fb b { color: var(--tk-matcha-700); }
.lp-quiz-score { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--tk-slate); font-weight: 700; }
.lp-quiz-bar { position: relative; flex: 1; height: 12px; border-radius: 99px; background: var(--tk-indigo-50); overflow: hidden; }
.lp-quiz-bar i { position: absolute; left: 0; top: 0; bottom: 0; width: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--tk-matcha), var(--tk-matcha-700)); transform-origin: 0 50%; transform: scaleX(.12); transition: transform 1.1s cubic-bezier(.22,1,.36,1); }
.lp-quiz-bar em { position: absolute; left: 44.4%; top: -2px; bottom: -2px; width: 3px; background: var(--tk-coral-600); }
.lp-exam-phones { position: relative; width: 100%; max-width: 440px; height: 210px; margin-top: -40px; }
.lp-phone-sm { position: absolute; width: 150px; padding: 6px; border-radius: 28px; }
.lp-phone-sm::before { top: 12px; height: 10px; }
.lp-phone-sm .lp-phone-screen { border-radius: 23px; aspect-ratio: 390 / 560; }
.lp-phone-back { left: 4%; top: 0; transform: rotate(-8deg); opacity: .9; }
.lp-phone-front { right: 4%; top: 18px; transform: rotate(7deg); }
@media (min-width: 960px) {
  .lp-exam { padding: 100px 0 110px; margin-top: 90px; }
  .lp-exam-in { grid-template-columns: 1fr 1fr; gap: 64px; }
  .lp-exam-demo { min-height: 560px; align-content: center; }
  .lp-exam-phones { position: absolute; inset: 0; max-width: none; height: auto; margin: 0; z-index: 1; }
  .lp-phone-sm { width: 200px; }
  .lp-phone-back { left: -30px; top: auto; bottom: -40px; }
  .lp-phone-front { right: -40px; top: -30px; }
  .lp-quiz { padding: 26px; }
}

/* ---------- 3 bước ---------- */
.lp-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; position: relative; }
.lp-step { position: relative; background: #fff; border: 1px solid var(--lp-line); border-radius: var(--lp-r); padding: 22px 20px 22px; display: grid; grid-template-columns: 84px 1fr; column-gap: 14px; align-items: center; box-shadow: 0 1px 2px rgba(31,41,55,.04); }
.lp-step img { grid-row: span 2; width: 84px; height: 84px; }
.lp-step h3 { font-size: 19px; font-weight: 850; }
.lp-step p { color: var(--tk-slate); font-size: 15px; margin-top: 4px !important; }
.lp-step-n { position: absolute; left: 14px; top: 12px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--tk-coral-600); color: #fff; font-weight: 900; font-size: 15px; box-shadow: 0 0 0 4px #fff; }
@media (min-width: 860px) {
  .lp-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
  .lp-steps::before { content: ""; position: absolute; left: 16%; right: 16%; top: 76px; border-top: 3px dashed var(--tk-indigo-100); z-index: 0; }
  .lp-step { grid-template-columns: 1fr; text-align: center; justify-items: center; padding: 30px 26px 28px; z-index: 1; }
  .lp-step img { grid-row: auto; width: 128px; height: 128px; margin-bottom: 12px; }
  .lp-step-n { left: 50%; top: -15px; transform: translateX(-50%); }
}

/* ---------- video ---------- */
.lp-video-grid { display: grid; gap: 28px; align-items: start; }
.lp-player { position: relative; }
.lp-player-video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: var(--lp-r); background: #EAF4FF; box-shadow: 0 40px 80px -36px rgba(35,26,82,.5); border: 6px solid #fff; object-fit: cover; }
.lp-player-btn { position: absolute; left: 50%; top: calc((100% - 58px) / 2); transform: translate(-50%, -50%); width: 84px; height: 84px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--tk-coral-600); color: #fff; display: grid; place-items: center; box-shadow: 0 0 0 10px rgba(255,255,255,.6), 0 20px 40px -10px rgba(214,61,39,.7); transition: transform .2s; }
.lp-player-btn svg { width: 34px; height: 34px; margin-left: 4px; }
.lp-player-btn:hover { transform: translate(-50%, -50%) scale(1.06); }
.lp-player.is-started .lp-player-btn { display: none; }
.lp-chapters { list-style: none; padding: 0; margin: 14px 0 0; display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.lp-chapters::-webkit-scrollbar { display: none; }
.lp-chapters button { display: inline-flex; gap: 6px; align-items: center; white-space: nowrap; padding: 8px 12px; border-radius: 999px; border: 1px solid var(--lp-line); background: #fff; font: inherit; font-size: 14px; font-weight: 700; color: var(--tk-indigo); cursor: pointer; min-height: 40px; }
.lp-chapters button span { color: var(--tk-coral-700); font-variant-numeric: tabular-nums; }
.lp-chapters button:hover, .lp-chapters button.is-on { border-color: var(--tk-indigo-600); background: var(--tk-indigo-50); }
.lp-teaser { margin: 0; display: grid; justify-items: center; gap: 12px; }
.lp-phone-teaser { width: min(60vw, 250px); }
.lp-phone-teaser .lp-phone-screen { aspect-ratio: 9 / 16; }
.lp-teaser-poster, .lp-teaser-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.lp-teaser-video { opacity: 0; transition: opacity .6s; }
.lp-teaser figcaption { font-size: 14px; color: var(--tk-slate); font-weight: 650; }
@media (min-width: 960px) { .lp-video-grid { grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr); gap: 40px; } .lp-phone-teaser { width: 250px; } }

/* ---------- so sánh ---------- */
.lp-compare { position: relative; overflow-x: auto; border-radius: var(--lp-r); background: #fff; border: 1px solid var(--lp-line); box-shadow: var(--lp-shadow); }
.lp-compare table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 15px; }
.lp-compare th, .lp-compare td { padding: 14px 14px; text-align: center; border-bottom: 1px solid var(--lp-line); }
.lp-compare thead th { font-weight: 850; color: var(--tk-indigo); font-size: 15px; background: #FFFBF6; }
.lp-compare tbody th { text-align: left; font-weight: 700; color: var(--tk-charcoal); position: sticky; left: 0; background: #fff; }
.lp-compare tr:last-child > * { border-bottom: 0; }
.lp-compare .is-tako { background: var(--tk-indigo); color: #fff; }
.lp-compare thead .is-tako { display: table-cell; vertical-align: middle; }
.lp-compare .is-tako img { vertical-align: middle; margin-right: 8px; width: 28px; height: 28px; }
.lp-compare td:nth-child(2) { background: var(--tk-indigo-50); }
.lp-compare .is-yes svg { width: 30px; height: 30px; padding: 6px; border-radius: 50%; background: var(--tk-matcha-700); color: #fff; }
.lp-compare .is-no svg { color: #C0B6AA; }
.lp-compare .is-yes-t { font-weight: 900; color: var(--tk-matcha-700); }
.lp-compare td { color: var(--tk-slate); }
.lp-swipe-hint { text-align: right; font-size: 13px; color: var(--tk-slate); font-weight: 700; margin-top: 10px !important; }
@media (min-width: 640px) { .lp-swipe-hint { display: none; } }
@media (max-width: 639px) { .lp-compare th, .lp-compare td { padding: 12px 10px; font-size: 14px; } .lp-compare tbody th { min-width: 150px; box-shadow: 6px 0 10px -8px rgba(35,26,82,.25); } }

/* ---------- FAQ ---------- */
.lp-faq-wrap { display: grid; gap: 10px; }
.lp-faq-art { display: none; width: 150px; height: 150px; margin-top: 18px; }
.lp .lp-faq { border-radius: 20px; margin-bottom: 10px; transition: box-shadow .2s, border-color .2s; }
.lp .lp-faq[open] { border-color: var(--tk-indigo-100); box-shadow: 0 18px 34px -24px rgba(35,26,82,.4); }
.lp .lp-faq summary { padding: 18px 54px 18px 20px; font-size: 16.5px; }
.lp .lp-faq summary::after { right: 16px; top: 14px; width: 30px; height: 30px; border-radius: 50%; background: var(--tk-coral-50); display: grid; place-items: center; font-size: 20px; line-height: 1; transition: transform .25s; }
.lp .lp-faq[open] summary::after { transform: rotate(180deg); }
.lp .lp-faq p { padding: 0 20px 18px; color: var(--tk-slate); }
@media (min-width: 960px) { .lp-faq-wrap { grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; } .lp-head-left { position: sticky; top: 96px; } .lp-faq-art { display: block; width: 200px; height: 200px; } }

/* ---------- CTA cuối ---------- */
.lp-final { padding: 72px 0 0; }
.lp-final-in { position: relative; display: grid; gap: 10px; align-items: center; overflow: hidden; border-radius: 36px; padding: 38px 24px 0;
  background: radial-gradient(60% 80% at 100% 0%, rgba(255,101,79,.55) 0%, transparent 60%), linear-gradient(130deg, var(--tk-indigo-800), var(--tk-indigo) 50%, #4F3DB8); color: #fff; box-shadow: 0 40px 80px -40px rgba(35,26,82,.7); }
.lp-final h2 { color: #fff; font-size: clamp(28px, 6.6vw, 46px); line-height: 1.12; font-weight: 900; }
.lp-final-copy > p { margin-top: 12px; color: #DEDAF2; font-size: 17px; max-width: 520px; }
.lp-final .tks-store.is-soon { background: rgba(255,255,255,.08); color: #EFEDF8 !important; border-color: rgba(255,255,255,.3); }
.lp-final-art { width: 220px; height: 220px; justify-self: center; margin-bottom: -8px; filter: drop-shadow(0 20px 30px rgba(0,0,0,.25)); }
@media (min-width: 860px) { .lp-final { padding: 110px 0 0; } .lp-final-in { grid-template-columns: 1.4fr 1fr; padding: 56px 56px 0; } .lp-final-copy { padding-bottom: 56px; } .lp-final-art { width: 320px; height: 320px; align-self: end; } }
.lp + .tks-foot, .lp .tks-foot { margin-top: 72px; }

/* ---------- hiện dần khi cuộn ---------- */
.lp-js .lp-reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
.lp-js .lp-reveal.is-in { opacity: 1; transform: none; }
.lp-js .lp-steps .lp-step:nth-child(2), .lp-js .lp-stats .lp-stat:nth-child(2) { transition-delay: .08s; }
.lp-js .lp-steps .lp-step:nth-child(3), .lp-js .lp-stats .lp-stat:nth-child(3) { transition-delay: .16s; }
.lp-js .lp-stats .lp-stat:nth-child(4) { transition-delay: .24s; }

/* ---------- keyframes ---------- */
@keyframes lp-drift { to { transform: translate(30px, -24px) scale(1.06); } }
@keyframes lp-live { 0% { box-shadow: 0 0 0 0 rgba(255,101,79,.55); } 70%, 100% { box-shadow: 0 0 0 9px rgba(255,101,79,0); } }
@keyframes lp-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes lp-ping { 0% { transform: scale(.9); opacity: .9; } 80%, 100% { transform: scale(1.5); opacity: 0; } }
@keyframes lp-swipe { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes lp-panel { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes lp-pop { 0% { transform: scale(1); } 40% { transform: scale(1.06); } 100% { transform: scale(1); } }
@keyframes lp-shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
@keyframes lp-flip-f { 0%, 38% { transform: rotateY(0); } 48%, 88% { transform: rotateY(-180deg); } 98%, 100% { transform: rotateY(-360deg); } }
@keyframes lp-flip-b { 0%, 38% { transform: rotateY(180deg); } 48%, 88% { transform: rotateY(0); } 98%, 100% { transform: rotateY(-180deg); } }

@media (prefers-reduced-motion: reduce) {
  .lp *, .lp *::before, .lp *::after { animation: none !important; transition: none !important; }
  .lp-js .lp-reveal { opacity: 1; transform: none; }
  .lp-js .lp-srs .lp-curve path { stroke-dashoffset: 0; }
}
@media (display-mode: standalone) { .lp-stores { display: none; } }