/* NÓI ĐI ENGLISH — Epilogue + Work Sans, mực #0B1F3A, xanh trời #0A84FF, vàng highlight #FFC300 (CTA), bút đỏ #E0245E (chỉ cho nét chấm bài) */
:root{
  --ink:#0B1F3A;--ink-2:#44546B;--ink-3:#6B7A90;--line:#DDE4EE;--line-2:#C9D3E1;
  --paper:#FFFFFF;--mist:#F3F6FB;--sky:#EAF3FF;
  --blue:#0A84FF;--blue-ink:#0063CC;--hl:#FFC300;--hl-2:#FFE27A;--pen:#E0245E;--ok:#15803D;
  --r-btn:12px;--r-card:16px;--r-in:10px;
  --sh:4px 4px 0 var(--ink);--sh-s:0 10px 30px rgba(11,31,58,.08);
  --f-h:'Epilogue',system-ui,sans-serif;--f-b:'Work Sans',system-ui,sans-serif;--f-pen:'Patrick Hand','Comic Sans MS',cursive;
  --wrap:1240px;--px:clamp(16px,3.5vw,40px);--ease:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:90px}
body{margin:0;font-family:var(--f-b);font-size:16.5px;line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-ink);text-decoration-thickness:1px;text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--f-h);font-weight:800;letter-spacing:-.025em;line-height:1.12;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(34px,5vw,56px)}h2{font-size:clamp(26px,3.2vw,38px)}h3{font-size:19px;letter-spacing:-.01em;line-height:1.25}
p{margin:0 0 1em}
.i{width:1em;height:1em;fill:currentColor;flex:none;vertical-align:-.125em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--px)}
[hidden]{display:none!important}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--hl);color:var(--ink);padding:10px 16px;border-radius:8px;z-index:200;font-weight:700}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.small{font-size:14px;color:var(--ink-3)}
.note{font-size:14px;color:var(--ink-3);display:flex;gap:8px;align-items:flex-start;margin-top:18px}
.note .i{margin-top:4px}
.pen{font-family:var(--f-pen);color:var(--pen);font-weight:400;letter-spacing:0}
.pen-u{background:linear-gradient(transparent 62%,var(--hl-2) 62%,var(--hl-2) 92%,transparent 92%);padding:0 2px}

/* ---------- nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:var(--r-btn);border:2px solid transparent;font-weight:700;font-size:15.5px;text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .15s,box-shadow .15s,background .2s,color .2s;line-height:1.2}
.btn:active{transform:translate(2px,2px)}
.btn-hl{background:var(--hl);color:var(--ink);border-color:var(--ink);box-shadow:var(--sh)}
.btn-hl:hover{background:#FFCF2E;box-shadow:6px 6px 0 var(--ink);transform:translate(-2px,-2px)}
.btn-hl:active{box-shadow:1px 1px 0 var(--ink);transform:translate(3px,3px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#15315A}
.btn-line{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--sky)}
.btn-lg{min-height:56px;padding:0 28px;font-size:17px}
.btn-sm{min-height:40px;padding:0 16px;font-size:14.5px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.more{display:inline-flex;align-items:center;gap:8px;font-weight:700;text-decoration:none;color:var(--blue-ink)}
.more:hover .i{transform:translateX(3px)}.more .i{transition:transform .2s}
.icon-btn{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.hdr.sc{box-shadow:0 6px 24px rgba(11,31,58,.07)}
.hdr-in{display:flex;align-items:center;gap:28px;height:76px;transition:height .25s var(--ease)}
.hdr.sc .hdr-in{height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.lg-mark{width:40px;height:40px}
.lg-t{font-family:var(--f-h);font-weight:800;font-size:21px;letter-spacing:-.03em;line-height:1;display:flex;flex-direction:column}
.lg-n{white-space:nowrap}
.lg-t em{font-style:normal;color:var(--ink);background:linear-gradient(transparent 10%,var(--hl) 10%,var(--hl) 90%,transparent 90%);padding:0 3px;margin-left:1px}
.logo-l .lg-t em{color:var(--ink)}
.logo-l .lg-mark rect{fill:rgba(255,255,255,.14)}
.lg-t small{font-family:var(--f-b);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-top:3px}
.nav{display:flex;align-items:center;gap:4px;margin-right:auto}
.nav>a,.dd-btn{display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 13px;border-radius:10px;font-weight:600;font-size:15.5px;color:var(--ink);text-decoration:none;background:none;border:0;cursor:pointer}
.nav>a:hover,.dd-btn:hover{background:var(--mist)}
.nav>a.active,.dd-btn.active{background:var(--sky);color:var(--blue-ink)}
.chev{font-size:11px;transition:transform .2s}
.dd{position:relative}
.dd-btn[aria-expanded=true] .chev{transform:rotate(180deg)}
.dd-panel{position:absolute;left:-20px;top:calc(100% + 10px);width:min(760px,90vw);background:#fff;border:2px solid var(--ink);border-radius:var(--r-card);box-shadow:var(--sh);padding:22px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s var(--ease)}
.dd.open .dd-panel{opacity:1;visibility:visible;transform:none}
.mm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mm-h{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);margin:0 0 8px}
.mm-col a{display:block;padding:8px 10px;margin:0 -10px;border-radius:10px;text-decoration:none;color:var(--ink)}
.mm-col a:hover,.mm-col a[aria-current]{background:var(--mist)}
.mm-col a b{display:block;font-size:15px}
.mm-col a small{color:var(--ink-3);font-size:13px}
.mm-foot{display:flex;justify-content:space-between;gap:16px;border-top:1px dashed var(--line-2);margin-top:16px;padding-top:14px}
.mm-foot a{display:inline-flex;gap:8px;align-items:center;font-weight:700;text-decoration:none;font-size:14.5px}
.hdr-r{display:flex;align-items:center;gap:14px}
.hdr-tel{display:inline-flex;align-items:center;gap:8px;font-weight:700;text-decoration:none;color:var(--ink);font-size:15px}
.hdr-tel .i{color:var(--blue)}
.hdr-cta{min-height:44px}
.menu-btn{display:none;width:44px;height:44px;border-radius:10px;border:2px solid var(--ink);background:#fff;cursor:pointer;place-items:center;font-size:18px}

.drawer{position:fixed;inset:0;z-index:100;visibility:hidden}
.drawer.open{visibility:visible}
.drawer-ov{position:absolute;inset:0;background:rgba(11,31,58,.45);opacity:0;transition:opacity .25s}
.drawer.open .drawer-ov{opacity:1}
.drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(380px,90vw);background:#fff;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .3s var(--ease)}
.drawer.open .drawer-panel{transform:none}
.drawer-top{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.drawer-nav{flex:1;overflow:auto;padding:10px 12px}
.drawer-nav a{display:block;padding:12px;border-radius:10px;font-weight:600;text-decoration:none;color:var(--ink)}
.drawer-nav a.active{background:var(--sky);color:var(--blue-ink)}
.dr-group{border-top:1px solid var(--line);margin-top:8px;padding-top:8px}
.dr-label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-3);padding:6px 12px}
.drawer-foot{padding:16px 18px;border-top:1px solid var(--line);display:grid;gap:10px}

/* ---------- mục ---------- */
.sec{padding:clamp(56px,7vw,96px) 0}
.sec-mist{background:var(--mist)}
.sec-grid{background-color:#FBFCFE;background-image:linear-gradient(rgba(10,132,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(10,132,255,.07) 1px,transparent 1px);background-size:28px 28px}
.sh{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sh>div{max-width:680px}
.sh h2{margin-bottom:10px}
.sh p{color:var(--ink-2);margin:0;font-size:17px}
.sh .stars{margin-right:4px}
.stars{display:inline-flex;gap:2px;color:#F5A300}
.ticks{list-style:none;padding:0;margin:0 0 1em;display:grid;gap:9px}
.ticks li{display:flex;gap:10px;align-items:flex-start}
.ticks .i{color:var(--ok);margin-top:5px}
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.chips li{font-size:13px;padding:3px 10px;border-radius:999px;background:var(--mist);border:1px solid var(--line);font-weight:500}

/* ---------- hero ---------- */
.hero{background-color:#FBFCFE;background-image:linear-gradient(rgba(10,132,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(10,132,255,.08) 1px,transparent 1px);background-size:32px 32px;border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px,5vw,72px);align-items:center;padding-top:clamp(40px,6vw,76px);padding-bottom:clamp(36px,5vw,60px)}
.hero-k{font-weight:600;color:var(--ink-2);font-size:15px;margin-bottom:18px}
.hero h1{font-size:clamp(44px,6.6vw,86px);line-height:1.02;letter-spacing:-.045em;margin-bottom:22px}
.strike{position:relative;color:var(--ink-3);white-space:nowrap}
.strike::after{content:"";position:absolute;left:-4%;right:-4%;top:52%;height:.09em;background:var(--pen);border-radius:4px;transform:rotate(-5deg) scaleX(0);transform-origin:left;animation:pen .5s .5s var(--ease) forwards}
.fix{font-family:var(--f-pen);color:var(--pen);font-weight:400;letter-spacing:0;font-size:1.08em;display:inline-block;transform:rotate(-6deg) translateY(-.08em);margin:0 .12em 0 .2em;opacity:0;animation:fix .45s 1s var(--ease) forwards}
@keyframes pen{to{transform:rotate(-5deg) scaleX(1)}}
@keyframes fix{from{opacity:0;transform:rotate(-6deg) translateY(.2em)}to{opacity:1;transform:rotate(-6deg) translateY(-.08em)}}
.hero-sub{font-size:clamp(17px,1.5vw,20px);color:var(--ink-2);max-width:540px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}

/* thang CEFR */
.ladder{background:#fff;border:2px solid var(--ink);border-radius:var(--r-card);box-shadow:6px 6px 0 var(--ink);padding:22px 22px 18px}
.ld-q{font-family:var(--f-h);font-weight:800;font-size:19px;margin:0 0 14px}
.ld-steps{list-style:none;margin:0 0 16px;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;align-items:end;height:170px;border-bottom:2px solid var(--ink)}
.ld-steps li{height:100%;display:flex;align-items:flex-end}
.st{width:100%;height:var(--h);border:2px solid var(--ink);border-bottom:0;border-radius:10px 10px 0 0;background:var(--sky);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:10px 4px 0;transition:background .2s,transform .2s var(--ease)}
.st b{font-family:var(--f-h);font-weight:800;font-size:20px;line-height:1}
.st span{font-size:11.5px;font-weight:600;line-height:1.2;margin-top:4px;color:var(--ink-2);text-align:center}
.st:hover{background:var(--hl-2)}
.st[aria-pressed=true]{background:var(--hl);transform:translateY(-4px)}
.ld-card p.ld-lv{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;font-weight:700;margin:0 0 10px}
.ld-lv b{font-family:var(--f-h);font-size:24px}
.ld-lv span{font-size:13.5px;font-weight:600;color:var(--blue-ink);background:var(--sky);padding:2px 10px;border-radius:999px}
.ld-card .ticks{gap:6px;font-size:15px}
.ld-next{font-size:14.5px;color:var(--ink-2);border-top:1px dashed var(--line-2);padding-top:10px;margin:10px 0 0}
.ld-test{display:flex;align-items:center;gap:8px;justify-content:center;margin-top:14px;font-weight:700;text-decoration:none;font-size:15px}

/* dải khai giảng */
.wk{border-top:1px solid var(--line);background:#fff}
.wk-in{display:flex;align-items:center;gap:18px;padding-top:12px;padding-bottom:12px}
.wk-h{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px;margin:0;white-space:nowrap}
.wk-h .i{color:var(--blue)}
.wk-list{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;flex:1;padding:4px 2px;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 92%,transparent)}
.wk-list::-webkit-scrollbar{display:none}
.wk-it{scroll-snap-align:start;flex:none;display:flex;align-items:center;gap:10px;padding:7px 12px;border:1px solid var(--line-2);border-radius:10px;text-decoration:none;color:var(--ink);font-size:14px;background:#fff}
.wk-it:hover{border-color:var(--ink)}
.wk-it b{font-family:var(--f-h);font-size:15px}
.wk-it em{font-style:normal;font-family:var(--f-pen);color:var(--pen);font-size:17px}
.wk-all{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;text-decoration:none;white-space:nowrap}

/* ---------- nhóm học viên ---------- */
.groups{display:grid;gap:28px}
.gb{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(18px,2.5vw,28px);border:1px solid var(--line);border-radius:22px;background:#fff}
.gb-r .gb-img{order:2}
.gb-img img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card)}
.gb-k{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-weight:700;color:var(--blue-ink);font-size:14.5px;margin-bottom:10px}
.gb-k span{color:var(--ink-3);font-weight:600}
.gb h3{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.03em}
.gb-t>p{color:var(--ink-2)}
.gb-links{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.gb-links a{display:flex;flex-direction:column;padding:10px 14px;border:2px solid var(--ink);border-radius:var(--r-btn);text-decoration:none;color:var(--ink);font-weight:700;font-size:15px;line-height:1.3;transition:background .2s,box-shadow .2s,transform .2s}
.gb-links a small{font-weight:500;color:var(--ink-3);font-size:13px}
.gb-links a:hover{background:var(--hl-2);box-shadow:var(--sh);transform:translate(-2px,-2px)}
.gb-p{display:flex;align-items:baseline;gap:8px;margin:0}
.gb-p small{color:var(--ink-3)}
.gb-p b{font-family:var(--f-h);font-size:22px}
.gb-p span{color:var(--ink-3);font-size:14px}

/* ---------- quiz ---------- */
.mini-in{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(24px,5vw,64px);align-items:start}
.mini-t p{color:var(--ink-2);font-size:17px}
.mini-img img{border-radius:var(--r-card);aspect-ratio:4/3;object-fit:cover;margin-top:10px;border:1px solid var(--line)}
.qz{background:#fff;border:2px solid var(--ink);border-radius:var(--r-card);box-shadow:6px 6px 0 var(--ink);padding:clamp(18px,3vw,30px)}
.qz-top{display:flex;align-items:center;gap:14px;margin-bottom:20px;font-weight:700;font-size:14.5px}
.qz-bar{flex:1;height:8px;border-radius:99px;background:var(--mist);overflow:hidden;border:1px solid var(--line)}
.qz-bar i{display:block;height:100%;width:0;background:var(--blue);transition:width .35s var(--ease)}
.qz-time{font-variant-numeric:tabular-nums;color:var(--ink-2)}
.qz-lv{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--blue-ink);background:var(--sky);padding:2px 10px;border-radius:99px;margin-bottom:10px}
.qz-q{font-family:var(--f-h);font-weight:700;font-size:clamp(20px,2.2vw,26px);letter-spacing:-.02em;line-height:1.3;margin:0 0 18px}
.qz-play{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.qz-opts{display:grid;gap:10px;margin:0 0 18px}
.qz-o{display:flex;align-items:center;gap:12px;width:100%;text-align:left;min-height:52px;padding:10px 16px;border:2px solid var(--line-2);border-radius:var(--r-btn);background:#fff;cursor:pointer;font-weight:500;font-size:16px;transition:border-color .15s,background .15s}
.qz-o:hover{border-color:var(--ink)}
.qz-o .key{flex:none;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:var(--mist);font-weight:700;font-size:14px}
.qz-o[aria-pressed=true]{border-color:var(--ink);background:var(--hl-2)}
.qz-o[aria-pressed=true] .key{background:var(--ink);color:#fff}
.qz-nav{display:flex;justify-content:space-between;gap:12px}
.qz-mini .qz-res{text-align:left}
.qz-res h3{font-size:24px}
.qz-res .pen{font-size:34px}
/* phiếu bài đã chấm */
.sheet{position:relative;background:#fff repeating-linear-gradient(transparent,transparent 31px,#DCE8F7 31px,#DCE8F7 32px);border:1px solid var(--line-2);border-radius:6px;padding:26px 26px 22px 60px;box-shadow:var(--sh-s)}
.sheet::before{content:"";position:absolute;left:44px;top:0;bottom:0;width:2px;background:#F4A3B8}
.sh-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:10px}
.sh-top h3{font-size:22px;margin:0}
.sh-code{font-family:ui-monospace,Menlo,monospace;font-size:13px;color:var(--ink-3)}
.score{position:relative;display:grid;place-items:center;width:120px;height:120px;flex:none;font-family:var(--f-pen);color:var(--pen);line-height:1;transform:rotate(-8deg)}
.score::before{content:"";position:absolute;inset:6px;border:3px solid var(--pen);border-radius:50% 46% 52% 48%/48% 52% 46% 50%}
.score b{font-weight:400;font-size:44px}
.score small{display:block;font-size:18px;text-align:center}
.sh-lv{display:flex;flex-wrap:wrap;gap:10px 24px;margin:6px 0 14px}
.sh-lv div{display:flex;flex-direction:column}
.sh-lv dt{font-size:13px;color:var(--ink-3)}
.sh-lv dd{margin:0;font-family:var(--f-h);font-weight:800;font-size:24px}
.sh-marks{list-style:none;padding:0;margin:0 0 16px;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:4px 14px;font-size:14.5px}
.sh-marks li{display:flex;gap:8px;align-items:center}
.sh-marks .mk{font-family:var(--f-pen);font-size:20px;color:var(--pen);width:18px}
.sh-marks .ok .mk{color:var(--ok)}
.sh-note{font-family:var(--f-pen);color:var(--pen);font-size:20px;line-height:1.35;margin:0 0 16px}
.sh-rec{border-top:1px dashed var(--line-2);padding-top:14px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.sh-rec p{flex:1 1 260px;margin:0}

/* ---------- một buổi học ---------- */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;counter-reset:f}
.flow::before{content:"";position:absolute;left:0;right:0;top:calc(150px + 26px);border-top:2px dashed var(--line-2)}
.flow li{position:relative}
.fl-img img{width:100%;height:150px;object-fit:cover;border-radius:12px}
.fl-m{position:relative;z-index:1;display:inline-block;margin:10px 0 8px;font-family:var(--f-pen);color:var(--pen);font-size:30px;background:#fff;padding:0 10px 0 0;line-height:1}
.flow h3{font-size:17.5px;margin-bottom:6px}
.flow p{font-size:15px;color:var(--ink-2);margin:0}

/* ---------- kết quả ---------- */
.rs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rs-grid-3{grid-template-columns:repeat(3,1fr)}
.rs{background:#fff repeating-linear-gradient(transparent,transparent 27px,#E3ECF8 27px,#E3ECF8 28px);border:1px solid var(--line-2);border-radius:8px;padding:18px 18px 16px;display:flex;flex-direction:column}
.rs header b{display:block;font-family:var(--f-h);font-size:18px}
.rs header small{color:var(--ink-3);font-size:13.5px}
.rs-k{margin:12px 0 0;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--blue-ink)}
.rs-sc{display:flex;align-items:center;gap:10px;margin:4px 0 8px;font-family:var(--f-h);font-weight:800;font-size:30px}
.rs-sc s{color:var(--ink-3);text-decoration-color:var(--pen);text-decoration-thickness:3px}
.rs-ar{color:var(--ink-3);font-size:16px}
.rs-sc .pen{font-size:40px;transform:rotate(-4deg);display:inline-block}
.rs-n{font-size:15px;color:var(--ink-2);flex:1}
.rs footer{font-size:13.5px;color:var(--ink-3);display:flex;align-items:center;gap:6px;flex-wrap:wrap;border-top:1px dashed var(--line-2);padding-top:10px}
.stats{list-style:none;margin:0 0 36px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stats li{border-left:4px solid var(--hl);padding:6px 0 6px 16px}
.stats b{display:block;font-family:var(--f-h);font-size:clamp(28px,3vw,40px);letter-spacing:-.03em;line-height:1.1}
.stats span{color:var(--ink-2);font-size:15px}

/* ---------- giáo viên ---------- */
.tc-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tc{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.tc-img{position:relative}
.tc-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.tc-cap{position:absolute;left:10px;bottom:10px;font-size:12px;background:rgba(255,255,255,.92);padding:3px 8px;border-radius:6px;color:var(--ink-2)}
.tc-b{padding:16px 18px 18px}
.tc h3{margin-bottom:2px}
.tc-r{font-weight:700;color:var(--blue-ink);font-size:14.5px;margin-bottom:6px}
.tc-c{font-size:14px;color:var(--ink-2);background:var(--mist);padding:6px 10px;border-radius:8px}
.tc-b>p:not([class]){font-size:15px;color:var(--ink-2)}

/* ---------- zalo ---------- */
.sec-zalo{background:#EDF3FB}
.chats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.chat{background:#fff;border-radius:18px;border:1px solid var(--line);overflow:hidden}
.chat header{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}
.av{width:40px;height:40px;border-radius:50%;background:var(--sky);color:var(--blue-ink);display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}
.chat header b{display:block;font-size:15px}
.chat header small{color:var(--ink-3);font-size:13px}
.chat time{margin-left:auto;font-size:12.5px;color:var(--ink-3)}
.bubs{padding:16px;display:grid;gap:8px;background:#F4F7FB}
.bub{max-width:88%;margin:0;padding:10px 14px;border-radius:4px 16px 16px 16px;background:#fff;border:1px solid var(--line);font-size:15px;line-height:1.5}
.bub.me{justify-self:end;background:#DDEBFF;border-color:#C6DCFB;border-radius:16px 4px 16px 16px}
.bub.me small{display:block;font-size:12px;color:var(--ink-3);margin-top:4px;text-align:right}

/* ---------- faq ---------- */
.faq-in{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(24px,5vw,64px);align-items:start}
.faq-t p{color:var(--ink-2)}
.faq-img img{border-radius:var(--r-card);margin-top:24px;aspect-ratio:1/1;object-fit:cover}
.faq{display:grid;gap:10px;align-items:start}
.fq{border:1px solid var(--line);border-radius:12px;background:#fff}
.fq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 18px;font-weight:700;font-size:16.5px}
.fq summary::-webkit-details-marker{display:none}
.fq summary .i{transition:transform .2s;color:var(--blue)}
.fq[open] summary .i{transform:rotate(45deg)}
.fq p{padding:0 18px 16px;margin:0;color:var(--ink-2)}

/* ---------- dải học thử ---------- */
.trial-band{background:var(--hl);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.tb-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,4vw,48px);align-items:center;padding-top:44px;padding-bottom:44px}
.tb-t h2{margin-bottom:8px}
.tb-t .pen-u{background:linear-gradient(transparent 62%,#fff 62%,#fff 92%,transparent 92%)}
.tb-t p{margin:0;max-width:520px}
.tb-form{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tb-form input{height:52px;border:2px solid var(--ink);border-radius:var(--r-in);padding:0 14px;background:#fff}
.tb-form button{grid-column:1/-1;min-height:54px}

/* ---------- footer ---------- */
.ft{background:var(--ink);color:#C9D4E3;padding:56px 0 24px;font-size:15px}
.ft a{color:#fff;text-decoration:none}
.ft a:hover{text-decoration:underline}
.ft-grid{display:grid;grid-template-columns:1.3fr .9fr .9fr 1.1fr;gap:36px}
.ft h3{color:#fff;font-size:16px;margin-bottom:14px}
.ft ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.logo-l{color:#fff}
.logo-l .lg-t small{color:#9FB0C6}
.ft-slogan{font-family:var(--f-pen);font-size:24px;color:var(--hl);margin:14px 0 8px}
.ft-contact{margin-top:14px!important}
.ft-contact li{display:flex;gap:10px;align-items:center}
.ft-contact .i{color:var(--hl)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;font-size:17px}
.social a.zl{width:auto;padding:0 12px;font-weight:700;font-size:14px}
.ft-tt table{width:100%;border-collapse:collapse;font-size:14px}
.ft-tt th,.ft-tt td{text-align:left;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.15);font-weight:500}
.ft-tt th{color:#fff}
.ft-map{display:inline-flex;gap:8px;align-items:center;margin-top:14px;font-weight:700;color:var(--hl)!important}
.ft-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;font-size:13.5px;color:#9FB0C6}

.mbar{display:none}

/* ---------- đầu trang con ---------- */
.ph{background:var(--mist);padding:26px 0 clamp(36px,5vw,56px);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:20px}
.crumb a{color:var(--ink-2);text-decoration:none}
.crumb a:hover{text-decoration:underline}
.crumb .i{font-size:10px}
.ph-in{display:flex;justify-content:space-between;gap:36px;align-items:center}
.ph-t{max-width:760px}
.ph .lead{font-size:18.5px;color:var(--ink-2);margin:0}
.ph-img{margin:0;flex:0 0 min(360px,36%)}
.ph-img img{border-radius:var(--r-card);aspect-ratio:4/3;object-fit:cover;border:2px solid var(--ink);box-shadow:var(--sh)}
.lead{font-size:18px;color:var(--ink-2)}

/* ---------- khoá học ---------- */
.filters{display:grid;gap:12px;margin-bottom:18px}
.fl-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.fl-row>span{font-weight:700;font-size:14.5px;width:140px}
.chip{min-height:40px;padding:0 16px;border-radius:999px;border:1.5px solid var(--line-2);background:#fff;font-weight:600;font-size:14.5px;cursor:pointer}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.fl-test{font-weight:700;font-size:14.5px;margin-left:6px}
.fl-count{font-weight:600;color:var(--ink-3);margin:0 0 18px}
.cc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cw{display:flex}
.cc{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;width:100%;transition:border-color .2s,box-shadow .2s,transform .2s var(--ease)}
.cc:hover{border-color:var(--ink);box-shadow:var(--sh);transform:translate(-2px,-2px)}
.cc-img img{width:100%;aspect-ratio:16/10;object-fit:cover}
.cc-b{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.cc-lv{font-weight:700;color:var(--blue-ink);font-size:14px;margin:0 0 6px}
.cc h3{font-size:21px}
.cc h3 a{color:var(--ink);text-decoration:none}
.cc-b>p:not(.cc-lv){color:var(--ink-2);font-size:15px}
.cc-meta{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:6px;font-size:14px;color:var(--ink-2)}
.cc-meta li{display:flex;gap:8px;align-items:center}
.cc-meta .i{color:var(--blue)}
.cc-f{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px dashed var(--line-2);padding-top:14px}
.cc-f p{margin:0;line-height:1.2}
.cc-f small{display:block;color:var(--ink-3);font-size:13px}
.cc-f b{font-family:var(--f-h);font-size:20px}
.empty{text-align:center;padding:40px;border:2px dashed var(--line-2);border-radius:var(--r-card)}
.corp{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,60px);align-items:center}
.corp-img img{border-radius:var(--r-card);aspect-ratio:4/3;object-fit:cover}

/* chi tiết khoá */
.ph-c{padding-bottom:clamp(36px,5vw,64px)}
.pc-in{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(24px,5vw,60px);align-items:center}
.pc-lv{display:inline-block;font-size:.5em;vertical-align:middle;background:var(--hl);border:2px solid var(--ink);padding:2px 12px;border-radius:10px;letter-spacing:-.01em}
.pc-facts{list-style:none;padding:0;margin:20px 0;display:flex;flex-wrap:wrap;gap:10px}
.pc-facts li{background:#fff;border:1px solid var(--line-2);border-radius:12px;padding:8px 16px;font-size:14px;color:var(--ink-2);display:flex;flex-direction:column;line-height:1.2}
.pc-facts b{font-family:var(--f-h);font-size:24px;color:var(--ink)}
.commit{display:flex;gap:12px;align-items:flex-start;background:#fff;border-left:4px solid var(--pen);padding:12px 16px;border-radius:0 12px 12px 0;margin:0}
.commit .i{color:var(--pen);margin-top:4px}
.pc-img{margin:0}
.pc-img img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);border:2px solid var(--ink);box-shadow:6px 6px 0 var(--ink)}
.cd-in{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:start}
.cd-main h2{font-size:26px;margin-top:40px}
.cd-main h2:first-child{margin-top:0}
.ticks-2{grid-template-columns:1fr 1fr}
.wplan{list-style:none;padding:0;margin:0;display:grid;gap:0;border-left:2px solid var(--ink);margin-left:8px}
.wplan li{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:0 0 22px 24px;position:relative}
.wplan li::before{content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--hl);border:2px solid var(--ink)}
.wp-w{font-family:var(--f-pen);color:var(--pen);font-size:21px;margin:0;line-height:1.2}
.wplan h3{margin-bottom:4px}
.wplan p{margin:0;color:var(--ink-2)}
.cd-buy{position:sticky;top:90px}
.buy-box{border:2px solid var(--ink);border-radius:var(--r-card);box-shadow:6px 6px 0 var(--ink);padding:22px;background:#fff;display:grid;gap:12px}
.bb-lv{margin:0;font-weight:700;color:var(--blue-ink)}
.bb-fee{margin:0;display:flex;flex-direction:column}
.bb-fee b{font-family:var(--f-h);font-size:34px;letter-spacing:-.03em}
.bb-fee small{color:var(--ink-3)}
.bb-l{list-style:none;padding:0;margin:0 0 4px;display:grid;gap:8px;font-size:15px}
.bb-l li{display:flex;gap:8px;align-items:flex-start}.bb-l .i{color:var(--ok);margin-top:4px}
.bb-z{margin:0;text-align:center}
.bb-z a{display:inline-flex;gap:8px;align-items:center;font-weight:700;text-decoration:none}
.empty-s{background:var(--mist);padding:16px;border-radius:12px}

/* lịch */
.sched{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff}
.sched-t{width:100%;border-collapse:collapse}
.sched-t th{text-align:left;font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);padding:12px 16px;background:var(--mist);border-bottom:1px solid var(--line)}
.sched-t td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
.sched-t tr:last-child td{border-bottom:0}
.sched-t tr[hidden]{display:none}
.sc-d b{display:block;font-family:var(--f-h);font-size:20px}
.sc-d small,.sc-c small{display:block;color:var(--ink-3);font-size:13px}
.sc-c a{font-weight:700;color:var(--ink);text-decoration:none}
.sc-c a:hover{text-decoration:underline}
.seat{font-weight:600;font-size:14px}
.seat.low{font-family:var(--f-pen);color:var(--pen);font-size:19px;font-weight:400}
.sc-a{text-align:right}
.sfilter{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;margin-bottom:20px}
.sfilter label{display:grid;gap:6px;font-weight:600;font-size:14px}
.sfilter p{margin:0 0 10px auto;font-weight:600;color:var(--ink-3)}
select,input:not([type=radio]):not([type=checkbox]),textarea{width:100%;min-height:48px;border:1.5px solid var(--line-2);border-radius:var(--r-in);padding:10px 14px;background:#fff;font-size:16px}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 7l5 5 5-5' fill='none' stroke='%230B1F3A' stroke-width='2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:38px}
.sfilter select{min-width:180px}
input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:3px solid rgba(10,132,255,.2);outline-offset:0}
label{font-weight:600;font-size:15px}
label>input,label>select,label>textarea{margin-top:6px;font-weight:400}
.err{display:none;color:var(--pen);font-size:13.5px;font-weight:500;margin-top:4px}
.invalid .err{display:block}
.invalid input,.invalid textarea{border-color:var(--pen)}
.chk{display:flex;gap:10px;align-items:flex-start;font-weight:500;margin:12px 0}
.chk input{width:20px;height:20px;margin-top:3px;accent-color:var(--ink)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.seg{display:flex;flex-wrap:wrap;gap:8px;border:0;padding:0;margin:0 0 14px;min-width:0}
.seg legend{font-weight:600;font-size:15px;margin-bottom:8px;padding:0}
.seg label{position:relative}
.seg input{position:absolute;opacity:0}
.seg span{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1.5px solid var(--line-2);border-radius:999px;cursor:pointer;font-weight:600;font-size:14.5px;background:#fff}
.seg input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.seg input:focus-visible+span{outline:3px solid var(--blue);outline-offset:2px}

/* modal */
.modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:16px;visibility:hidden}
.modal.open{visibility:visible}
.modal-ov{position:absolute;inset:0;background:rgba(11,31,58,.5);opacity:0;transition:opacity .2s}
.modal.open .modal-ov{opacity:1}
.modal-box{position:relative;background:#fff;border:2px solid var(--ink);border-radius:var(--r-card);box-shadow:6px 6px 0 var(--ink);width:min(460px,100%);padding:26px;max-height:90vh;overflow:auto;transform:translateY(12px);opacity:0;transition:.25s var(--ease)}
.modal.open .modal-box{transform:none;opacity:1}
.m-x{position:absolute;right:12px;top:12px}
.hold-f{display:grid;gap:12px}
.hold-f h2{font-size:24px;margin:0;padding-right:40px}
.hold-ok{text-align:center}
.ok-code{font-family:ui-monospace,Menlo,monospace;font-weight:700;font-size:18px;background:var(--hl);display:inline-block;padding:4px 12px;border:2px solid var(--ink);border-radius:8px}

/* test page */
.test-in{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}
.goal{margin-bottom:20px}
.goal-h{font-weight:700;margin-bottom:10px}
.goal-h small{font-weight:500;color:var(--ink-3);margin-left:6px}
.test-side figure{margin:0 0 20px}
.test-side img{border-radius:var(--r-card);aspect-ratio:4/3;object-fit:cover}
.test-side h2{font-size:22px}
.test-side .ticks{font-size:15px}

/* trial */
.tr-in{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:44px;align-items:start}
.trf{display:grid;gap:18px}
.trf fieldset{border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px 12px;margin:0;min-width:0}
.trf legend{font-family:var(--f-h);font-weight:800;font-size:18px;padding:0 8px;margin-left:-8px}
.lbl{font-weight:600;margin:14px 0 8px}
.days,.slots{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 10px;scroll-snap-type:x mandatory}
.day,.slot{flex:none;scroll-snap-align:start;border:1.5px solid var(--line-2);border-radius:12px;background:#fff;cursor:pointer;min-height:48px;padding:6px 14px;font-weight:600;font-size:14.5px;line-height:1.25}
.day small{display:block;font-weight:500;color:var(--ink-3);font-size:12.5px}
.day[aria-pressed=true],.slot[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.day[aria-pressed=true] small{color:#C9D4E3}
.slot[disabled]{opacity:.4;text-decoration:line-through;cursor:not-allowed}
.tr-side{position:sticky;top:90px;display:grid;gap:20px}
.tr-info figure{margin:0 0 16px}
.tr-info img{border-radius:var(--r-card);aspect-ratio:4/3;object-fit:cover}
.tr-steps{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.tr-steps li{display:flex;gap:12px;align-items:baseline;border-bottom:1px dashed var(--line-2);padding-bottom:10px}
.tr-steps b{font-family:var(--f-pen);color:var(--pen);font-size:22px;font-weight:400;min-width:84px}
.ticket{border:2px solid var(--ink);border-radius:var(--r-card);box-shadow:6px 6px 0 var(--ink);background:#fff;overflow:hidden}
.tk-top{background:var(--hl);padding:16px 20px;border-bottom:2px dashed var(--ink)}
.tk-top p{margin:0;font-weight:700}
.tk-top h3{font-size:24px;margin:4px 0 0}
.tk-b{padding:16px 20px}
.tk-b dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0 0 12px;font-size:15px}
.tk-b dt{color:var(--ink-3)}.tk-b dd{margin:0;font-weight:600}

/* học phí */
.calc-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,48px);align-items:start}
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.calc h2{font-size:26px}
.calc small a{font-weight:600}
.calc-out{background:#fff;border:2px solid var(--ink);border-radius:var(--r-card);box-shadow:6px 6px 0 var(--ink);padding:24px}
.co-h{font-weight:700;margin-bottom:10px}
.co-path{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:8px}
.co-path li{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;background:var(--mist);border-radius:10px;font-size:15px}
.co-path li b{font-weight:700}
.co-path li span{white-space:nowrap}
.co-sum{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin:0 0 16px}
.co-sum dt{font-size:13.5px;color:var(--ink-3)}
.co-sum dd{margin:0;font-weight:700;font-size:17px}
.co-total{display:flex;flex-direction:column;border-top:1px dashed var(--line-2);padding-top:14px;margin:0 0 16px}
.co-total small{color:var(--ink-3)}
.co-total b{font-size:44px;line-height:1.1}
.co-total span{font-size:14.5px;color:var(--ink-2)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card)}
.fee-t,.cred-t{width:100%;border-collapse:collapse;min-width:640px}
.fee-t th,.fee-t td,.cred-t th,.cred-t td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
.fee-t thead th,.cred-t thead th{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);background:var(--mist)}
.fee-t tbody th a{color:var(--ink);font-weight:700;text-decoration:none}
.fee-t tbody th small,.cred-t small{display:block;font-weight:500;color:var(--ink-3);font-size:13px}
.fee-t .pr{font-family:var(--f-h);font-weight:800;font-size:18px}
.fee-more{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}
.disc{border:1px solid var(--line);border-radius:var(--r-card);padding:20px}
.disc ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.disc li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line-2);padding-bottom:10px}
.disc li b{color:var(--pen);font-family:var(--f-pen);font-size:21px;font-weight:400}
.disc li b .i{color:var(--ok)}

/* hire, about */
.hire{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:center}
.hire figure{margin:0}.hire img{border-radius:var(--r-card)}
.hire-l{list-style:none;padding:0;margin:0;display:grid;gap:14px;counter-reset:h}
.hire-l li{counter-increment:h;display:grid;grid-template-columns:44px 1fr;gap:4px 14px;color:var(--ink-2)}
.hire-l li::before{content:counter(h);grid-row:span 2;width:40px;height:40px;border-radius:10px;background:var(--hl);border:2px solid var(--ink);display:grid;place-items:center;font-family:var(--f-h);font-weight:800;color:var(--ink)}
.hire-l b{color:var(--ink)}
.ab-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,60px);align-items:center}
.ab-img{margin:0}.ab-img img{border-radius:var(--r-card);border:2px solid var(--ink);box-shadow:6px 6px 0 var(--ink)}
.rules{padding-left:22px;display:grid;gap:12px;color:var(--ink-2)}
.rules b{color:var(--ink)}
.ab-br{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.ab-br li{border-left:4px solid var(--hl);padding-left:12px;display:flex;flex-direction:column;font-size:14px;color:var(--ink-3)}
.ab-br b{color:var(--ink);font-size:16px}
.tl{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.tl li figure{margin:0 0 14px}
.tl img{border-radius:12px;aspect-ratio:16/10;object-fit:cover}
.tl-y{font-family:var(--f-pen);color:var(--pen);font-size:28px;margin:0;line-height:1}
.tl p{color:var(--ink-2);font-size:15.5px}

/* blog */
.ar-lead{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:36px;align-items:center;margin-bottom:44px}
.ar-img img{border-radius:var(--r-card);aspect-ratio:16/10;object-fit:cover;width:100%}
.ar-m{font-size:14px;font-weight:600;color:var(--blue-ink);margin:0 0 8px}
.ar-lead h2 a,.ar h3 a{color:var(--ink);text-decoration:none}
.ar-lead h2 a:hover,.ar h3 a:hover{text-decoration:underline}
.ar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ar .ar-img{display:block;margin-bottom:14px}
.ar p:not(.ar-m){color:var(--ink-2);font-size:15.5px}
.post{padding:28px 0 72px}
.post-in{max-width:800px}
.post h1{font-size:clamp(30px,4.2vw,46px)}
.post-img{margin:24px 0 32px}.post-img img{border-radius:var(--r-card)}
.post-b h2{font-size:25px;margin-top:34px}
.post-b p{font-size:17.5px;line-height:1.75;color:#22334D}
.post-cta{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:var(--mist);border-left:4px solid var(--hl);padding:18px 20px;border-radius:0 12px 12px 0;margin:36px 0}
.post-cta p{margin:0}
.post-more ul{padding-left:20px;display:grid;gap:8px}

/* gallery */
.chips-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.gal{columns:4 240px;column-gap:14px}
.gi{display:block;break-inside:avoid;margin-bottom:14px;border-radius:12px;overflow:hidden}
.gi img{width:100%;transition:transform .5s var(--ease)}
.gi:hover img{transform:scale(1.04)}
.gi[hidden]{display:none}
.lb{position:fixed;inset:0;z-index:150;background:rgba(6,16,32,.92);display:grid;place-items:center;visibility:hidden;opacity:0;transition:.2s}
.lb.open{visibility:visible;opacity:1}
.lb figure{margin:0;max-width:min(1100px,92vw);text-align:center}
.lb img{max-height:80vh;width:auto;margin:0 auto;border-radius:8px}
.lb figcaption{color:#fff;margin-top:12px}
.lb-x,.lb-nav{position:absolute;width:48px;height:48px;border-radius:12px;border:0;background:rgba(255,255,255,.12);color:#fff;display:grid;place-items:center;cursor:pointer;font-size:18px}
.lb-x{top:16px;right:16px}.lb-prev{left:16px;top:50%}.lb-next{right:16px;top:50%}

/* contact */
.ct-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ct{display:flex;flex-direction:column;gap:4px;padding:22px;border:2px solid var(--ink);border-radius:var(--r-card);text-decoration:none;color:var(--ink);background:#fff;transition:box-shadow .2s,transform .2s}
.ct:hover{box-shadow:var(--sh);transform:translate(-2px,-2px)}
.ct .i{font-size:24px;color:var(--blue);margin-bottom:8px}
.ct b{font-family:var(--f-h);font-size:19px}
.ct span{font-weight:700;font-size:18px;color:var(--blue-ink)}
.ct small{color:var(--ink-3)}
.br-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.brc{display:grid;grid-template-columns:200px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:14px}
.brc figure{margin:0}.brc img{border-radius:12px;aspect-ratio:1/1;object-fit:cover;height:100%}
.brc p{display:flex;gap:8px;align-items:flex-start;font-size:15px;color:var(--ink-2);margin:0 0 6px}
.brc p .i{margin-top:5px;color:var(--blue)}
.ctf-in{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:center}
.ctf{display:grid;gap:14px}
.ctf-in figure{margin:0}.ctf-in figure img{border-radius:var(--r-card)}
.form-ok{background:#E8F7EE;border:1px solid #B7E4C7;color:var(--ok);padding:12px 14px;border-radius:10px;font-weight:600}

/* policy, credits */
.pol-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
.pol{margin-bottom:28px}
.pol h2{font-size:24px}
.cred-t img{border-radius:6px;object-fit:cover}

/* 404 */
.nf-in{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:center}
.nf-img img{border-radius:var(--r-card)}
.nf-code{font-family:var(--f-h);font-weight:800;font-size:64px;line-height:1;margin-bottom:10px}
.nf-code s{text-decoration-color:var(--pen);text-decoration-thickness:6px;color:var(--ink-3)}
.nf-code .pen{font-size:.7em;display:inline-block;transform:rotate(-8deg)}
.btns{display:flex;flex-wrap:wrap;gap:12px}

.toast{position:fixed;left:50%;bottom:24px;z-index:160;transform:translate(-50%,20px);opacity:0;visibility:hidden;background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;display:flex;gap:10px;align-items:center;font-weight:600;transition:.25s var(--ease)}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}
.toast .i{color:var(--hl)}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .hdr-tel span{display:none}
  .nav>a,.dd-btn{padding:0 10px;font-size:15px}
}
@media (max-width:1024px){
  .nav,.hdr-tel{display:none}
  .menu-btn{display:grid}
  .hdr-r{margin-left:auto}
  .hero-in{grid-template-columns:1fr}
  .ladder{max-width:560px}
  .flow{grid-template-columns:repeat(3,1fr)}
  .flow::before{display:none}
  .rs-grid{grid-template-columns:repeat(2,1fr)}
  .tc-row{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr}
  .cd-in,.test-in,.tr-in{grid-template-columns:1fr}
  .cd-buy,.tr-side{position:static}
  .cc-grid,.ar-grid,.tc-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .gb,.mini-in,.faq-in,.tb-in,.corp,.pc-in,.calc-in,.hire,.ab-in,.ar-lead,.ctf-in,.pol-in,.nf-in{grid-template-columns:1fr}
  .gb-r .gb-img{order:0}
  .faq-img{display:none}
  .ph-in{flex-direction:column;align-items:stretch}
  .ph-img{flex:none;max-width:420px}
  .chats{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .tl{grid-template-columns:repeat(2,1fr)}
  .br-grid,.ct-row{grid-template-columns:1fr}
  .rs-grid-3{grid-template-columns:repeat(2,1fr)}
  .fee-more{grid-template-columns:1fr}
  .ab-br{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
  body{font-size:16px;padding-bottom:64px}
  .hdr-cta{display:none}
  .hdr-in{height:64px}
  .hero h1{font-size:clamp(40px,11vw,56px)}
  .hero-cta .btn{flex:1 1 100%}
  .ld-steps{height:150px;gap:5px}
  .st b{font-size:17px}.st span{font-size:10px}
  .wk-in{flex-wrap:wrap;gap:10px}
  .wk-list{order:3;flex:1 1 100%}
  .flow{grid-template-columns:1fr 1fr}
  .rs-grid,.rs-grid-3,.tc-row,.cc-grid,.ar-grid,.tc-grid,.tl{grid-template-columns:1fr}
  .f2,.tb-form,.ticks-2{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr}
  .fl-row>span{width:100%}
  .wplan li{grid-template-columns:1fr;gap:2px}
  .sheet{padding:20px 16px 18px 40px}.sheet::before{left:28px}
  .score{width:92px;height:92px}.score b{font-size:34px}
  .sh-top{flex-direction:column-reverse}
  .sched-t thead{display:none}
  .sched-t,.sched-t tbody,.sched-t tr,.sched-t td{display:block;width:100%}
  .sched-t tr{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;padding:14px 16px;border-bottom:1px solid var(--line)}
  .sched-t tr[hidden]{display:none}
  .sched-t td{padding:0;border:0}
  .sc-d{grid-row:span 3}
  .sc-a{grid-column:1/-1;text-align:left;margin-top:8px}.sc-a .btn{width:100%}
  .brc{grid-template-columns:110px 1fr}
  .tc-img img{aspect-ratio:16/10}
  .gb-links a{font-size:14px;padding:8px 12px}
  .sfilter label{flex:1 1 100%}.sfilter select{min-width:0}
  .mbar{display:grid;grid-template-columns:1fr 1fr 2fr;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:2px solid var(--ink);height:62px}
  .mbar a{display:flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:700;font-size:14.5px;border-right:1px solid var(--line)}
  .mbar a.go{background:var(--hl);border-right:0}
  .toast{bottom:80px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;transition-duration:.01ms!important}
  .rv{opacity:1;transform:none}
}