/* DLONG DỊCH THUẬT — giao diện v4 "4 bước SaaS" (Odin-B 27/10/2026, theo yêu cầu Sếp: Stripe/Linear/DeepL Pro).
   Nền slate-50 + lưới mờ ở hero, màu chính gradient indigo-600 → violet-600, thanh toán/thành công emerald-600,
   bo góc 16px, bóng mềm phân tầng. Phông tự host (OFL): Be Vietnam Pro 400/700. Không script ngoài (trừ Turnstile).
   Luật chung: skill dlong-ui. Lớp API/JS xử lý đơn giữ nguyên trong shop.html. */
@font-face{font-family:'Be Vietnam Pro';src:url('/static/fonts/be-vietnam-pro-vietnamese-400.woff2') format('woff2');font-weight:400;font-display:swap;unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Be Vietnam Pro';src:url('/static/fonts/be-vietnam-pro-latin-400.woff2') format('woff2');font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Be Vietnam Pro';src:url('/static/fonts/be-vietnam-pro-vietnamese-700.woff2') format('woff2');font-weight:600 800;font-display:swap;unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Be Vietnam Pro';src:url('/static/fonts/be-vietnam-pro-latin-700.woff2') format('woff2');font-weight:600 800;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --bg:#F8FAFC; --surface:#FFFFFF; --surface-2:#F1F5F9;
  --ink:#0F172A; --ink-2:#475569; --ink-3:#64748B; --line:#E2E8F0; --line-2:#CBD5E1;
  --primary:#4F46E5; --primary-2:#4338CA; --violet:#7C3AED; --primary-tint:#EEF2FF; --violet-tint:#F5F3FF;
  --grad:linear-gradient(135deg,#4F46E5 0%,#7C3AED 100%);
  --ok:#059669; --ok-2:#047857; --ok-tint:#ECFDF5; --ok-line:#A7F3D0;
  --warn:#B45309; --warn-tint:#FFFBEB; --warn-line:#FDE68A; --danger:#DC2626; --danger-tint:#FEF2F2;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --r:16px; --r-sm:10px; --r-lg:24px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 12px 24px -8px rgba(79,70,229,.08);
  --shadow-xl:0 1px 2px rgba(15,23,42,.04),0 20px 25px -5px rgba(79,70,229,.06),0 8px 10px -6px rgba(79,70,229,.05);
  --ease:cubic-bezier(.23,1,.32,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6}
h1,h2,h3{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
a{color:var(--primary);font-weight:600;text-underline-offset:3px}
a:hover{color:var(--primary-2)}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px}
.muted{color:var(--ink-2);font-weight:400}
.small{font-size:14px}
svg{display:inline-block}

/* ===== đầu trang: kính mờ, dính ===== */
.top{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(226,232,240,.9)}
.top-in{max-width:76rem;margin:0 auto;padding:8px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{display:flex;align-items:center;gap:10px;min-height:44px;color:var(--ink);text-decoration:none;font-weight:700}
.logo svg{width:40px;height:40px;flex:0 0 auto;filter:drop-shadow(0 4px 8px rgba(79,70,229,.25))}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.03em;white-space:nowrap;color:var(--ink)}
.brand-name b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-tag{margin-top:3px;font-size:12.5px;font-weight:400;color:var(--ink-3)}
@media (min-width:560px){.logo svg{width:44px;height:44px}.brand-name{font-size:19px}.brand-tag{font-size:13px}}
.top nav{display:flex;align-items:center;gap:2px}
.top nav a{display:flex;align-items:center;min-height:44px;padding:0 12px;color:var(--ink-2);font-weight:500;font-size:15px;text-decoration:none;border-radius:var(--r-sm)}
.top nav a:hover{color:var(--ink);background:var(--surface-2)}
.top nav .nav-cta{margin-left:6px;padding:0 18px;min-height:40px;color:#fff;font-weight:600;background:var(--grad);border-radius:99px;box-shadow:0 6px 16px -6px rgba(79,70,229,.6)}
.top nav .nav-cta:hover{color:#fff;filter:brightness(1.06)}
.top nav .nav-cta{white-space:nowrap}
@media (max-width:719px){.top nav a:not(.nav-cta){display:none}}
@media (max-width:479px){.brand-tag{display:none}.hero{padding-top:36px}.eyebrow{font-size:12.5px;padding:5px 12px}.top-in{padding:8px 12px;gap:8px}.brand-name{font-size:16px}.top nav .nav-cta{margin-left:0;padding:0 14px;min-height:38px;font-size:14.5px}}

/* ===== hero: lưới mờ + quầng sáng ===== */
.hero{position:relative;isolation:isolate;overflow:hidden;text-align:center;padding:56px 16px 28px}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(to right,rgba(99,102,241,.09) 1px,transparent 1px),linear-gradient(to bottom,rgba(99,102,241,.09) 1px,transparent 1px);background-size:40px 40px;-webkit-mask-image:radial-gradient(ellipse 80% 90% at 50% 0,#000 20%,transparent 100%);mask-image:radial-gradient(ellipse 80% 90% at 50% 0,#000 20%,transparent 100%)}
.hero::after{content:"";position:absolute;z-index:-1;left:50%;top:-220px;width:720px;height:520px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(124,58,237,.18),rgba(79,70,229,.08) 55%,transparent 100%);filter:blur(10px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid #C7D2FE;border-radius:99px;background:rgba(255,255,255,.75);color:var(--primary);font-size:13.5px;font-weight:600;letter-spacing:.01em}
.eyebrow svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}
.hero h1{margin:18px auto 0;max-width:22ch;font-size:clamp(32px,5.2vw,54px);line-height:1.18;letter-spacing:-.025em;text-wrap:balance}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin:16px auto 0;max-width:42rem;font-size:17px;line-height:1.65;color:var(--ink-2);text-wrap:pretty}
.badges{list-style:none;margin:22px auto 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 10px}
.badges li{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:6px 14px;border:1px solid var(--line);border-radius:99px;background:rgba(255,255,255,.85);font-size:14px;color:var(--ink-2);box-shadow:0 1px 2px rgba(15,23,42,.04)}
.badges svg{width:18px;height:18px;flex:0 0 auto;fill:none;stroke:var(--ok);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.has-order .hero{padding-top:28px}.has-order .hero h1,.has-order .hero .lead,.has-order .badges{display:none}

/* ===== sân khấu 4 bước ===== */
.stage{max-width:76rem;margin:0 auto;padding:8px 16px 48px}
.stepper{list-style:none;margin:0 auto 22px;padding:0;max-width:60rem;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.stepper li{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:4px 0}
.stepper li+li::before{content:"";position:absolute;top:21px;right:calc(50% + 24px);left:calc(-50% + 24px);height:2px;border-radius:2px;background:var(--line)}
.stepper .dot{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--line-2);color:var(--ink-3);font-weight:700;font-size:15px;transition:all .3s var(--ease)}
.stepper .st{display:flex;flex-direction:column;line-height:1.3}
.stepper .st b{font-size:14px;font-weight:600;color:var(--ink-3)}
.stepper .st small{font-size:12px;color:var(--ink-3)}
.stepper .is-current .dot{border-color:transparent;background:var(--grad);color:#fff;box-shadow:0 0 0 6px rgba(99,102,241,.18)}
.stepper .is-current .st b{color:var(--ink)}
.stepper .is-done .dot{border-color:transparent;background:var(--ok);color:#fff;font-size:0}
.stepper .is-done .dot::after{content:"";width:9px;height:14px;margin-top:-3px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.stepper .is-done .st b{color:var(--ok-2)}
.stepper .is-done+li::before{background:var(--ok)}
.stepper .is-current+li::before,.stepper li.is-current::before{background:var(--line)}
@media (max-width:559px){.stepper{gap:2px}.stepper .st small{display:none}.stepper .st b{font-size:12px}.stepper .dot{width:32px;height:32px;font-size:14px}.stepper li+li::before{top:19px;right:calc(50% + 20px);left:calc(-50% + 20px)}}
.panel{animation:rise .4s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ===== thẻ ===== */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow-xl)}
@media (min-width:560px){.card{padding:28px}}
.card>h2,.card-head h2{font-size:22px;margin-bottom:4px}
.card-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px;margin-bottom:14px}
.pill{display:inline-flex;align-items:center;min-height:30px;padding:3px 12px;border-radius:99px;background:var(--primary-tint);color:var(--primary-2);font-weight:600;font-size:13.5px}
.alert{margin:0 0 16px;padding:14px 18px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);font-size:15px}
.resume{display:flex;align-items:center;gap:8px;margin:12px auto 0;max-width:1120px;padding:12px 16px;border:1px solid var(--primary);border-radius:var(--r-sm);background:var(--surface);font-size:15px}
.resume a{flex:1;color:var(--primary);font-weight:600}
.resume-x{border:0;background:none;font-size:20px;line-height:1;cursor:pointer;color:var(--ink-3)}
.pair-note{margin:-4px 0 12px}
.pv-real{position:relative;font-size:12px;line-height:1.5;color:var(--ink);padding-top:6px}
.pv-real p{margin:0 0 4px;overflow-wrap:anywhere}
.pv-real p:nth-child(n+5){filter:blur(3px);user-select:none}
.pv-scan{color:var(--ink-3);font-style:italic}
.doc-page{position:relative}
.wm{position:absolute;inset:40% 0 auto;transform:rotate(-18deg);text-align:center;font-weight:800;letter-spacing:.2em;font-size:20px;color:rgba(79,70,229,.12);pointer-events:none}
.pv-stats{margin:10px 0 0;font-size:14px;font-weight:600;color:var(--ink)}
.notify{margin:14px 0 0}
.b2b{margin:14px 0 0;padding:12px 14px;border:1px solid var(--primary);border-radius:var(--r-sm);background:var(--surface);font-size:14px}
.fab-zalo{position:fixed;right:16px;bottom:16px;z-index:40;display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:999px;background:var(--primary);color:#fff;font-weight:700;text-decoration:none;box-shadow:0 6px 20px rgba(0,0,0,.18)}
.fab-zalo svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2}
@media print{.fab-zalo,.resume{display:none}}
.alert.warn{border-color:var(--warn-line);background:var(--warn-tint);color:var(--ink)}

/* ===== bước 1 ===== */
.step-card{display:grid;gap:24px;position:relative}
@media (min-width:960px){.step-card{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;padding:32px}}
.step-left h2{margin-bottom:4px}
.step-left>.muted{margin-bottom:16px}
.drop{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:240px;padding:28px 16px;border:2px dashed var(--line-2);border-radius:var(--r);background:linear-gradient(180deg,#fff,#F8FAFC);text-align:center;cursor:pointer;transition:border-color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease)}
@media (min-width:960px){.drop{min-height:320px}}
.drop input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.drop:hover,.drop.is-over{border-color:var(--primary);background:var(--primary-tint);box-shadow:0 0 0 6px rgba(99,102,241,.1)}
.drop:focus-within{outline:3px solid var(--primary);outline-offset:2px}
.drop-ico{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;margin-bottom:6px;border-radius:18px;background:var(--grad);color:#fff;box-shadow:0 12px 24px -8px rgba(79,70,229,.6)}
.drop-ico svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.drop-title{font-weight:700;font-size:17px;overflow-wrap:anywhere}
.drop-hint{font-size:14px;color:var(--ink-2)}
.formats{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:10px}
.formats i{font-style:normal;font-size:12px;font-weight:600;letter-spacing:.04em;padding:3px 9px;border-radius:6px;background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line)}
.drop.has-file{border-style:solid;border-color:var(--ok);background:var(--ok-tint)}
.drop.has-file .drop-ico{background:var(--ok);box-shadow:0 12px 24px -8px rgba(5,150,105,.5)}
.drop.has-file .formats{display:none}
.step-left .small{margin-top:12px}

.field{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.label{font-weight:600;font-size:14.5px}
select,input[type=text],input[type=tel]{font:inherit;font-size:16px;width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);transition:border-color .15s,box-shadow .15s}
select{appearance:none;-webkit-appearance:none;padding-right:36px;background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%2364748B' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 14px center}
select:hover,input[type=text]:hover,input[type=tel]:hover{border-color:var(--ink-3)}
select:focus,input[type=text]:focus,input[type=tel]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(99,102,241,.15)}
input::placeholder{color:#94A3B8}
.lang{position:relative}
.lang .code{position:absolute;left:10px;top:50%;transform:translateY(-50%);z-index:1;display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:24px;padding:0 6px;border-radius:6px;background:var(--grad);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.06em;pointer-events:none}
.lang select{padding-left:50px}
.pair{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px;align-items:end;margin-top:0}
.swap{display:inline-flex;align-items:center;justify-content:center;width:44px;height:48px;padding:0;border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--surface);color:var(--ink-2);cursor:pointer;transition:transform .35s var(--ease),color .15s,border-color .15s}
.swap:hover{color:var(--primary);border-color:var(--primary)}
.swap.flip{transform:rotate(180deg)}
.swap svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.kinds{border:0;margin:18px 0 0;padding:0;min-width:0;display:flex;flex-direction:column;gap:8px}
.kinds legend{padding:0;margin-bottom:8px;font-weight:600;font-size:14.5px}
.kind{display:flex;gap:12px;align-items:flex-start;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-sm);cursor:pointer;transition:border-color .15s var(--ease),background-color .15s var(--ease),box-shadow .15s}
.kind:hover{border-color:var(--line-2);background:var(--surface-2)}
.kind:has(input:checked){border-color:#A5B4FC;background:var(--primary-tint);box-shadow:0 0 0 1px #A5B4FC inset}
.kind input{width:20px;height:20px;margin:2px 0 0;flex:0 0 auto;accent-color:var(--primary)}
.kind b{display:block;font-weight:600;line-height:1.4;font-size:15px}
.kind small{display:block;font-size:13.5px;line-height:1.5;color:var(--ink-2);margin-top:2px}
.kind .tag{display:inline-block;margin-left:6px;padding:0 8px;border-radius:99px;background:var(--violet-tint);border:1px solid #DDD6FE;font-size:12.5px;font-weight:600;color:var(--violet);vertical-align:1px}
.two{display:grid;gap:0 14px}
@media (min-width:560px){.two{grid-template-columns:1fr 1fr}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 22px;border:0;border-radius:12px;font:inherit;font-weight:600;font-size:16px;text-decoration:none;cursor:pointer;transition:background-color .15s var(--ease),transform .15s var(--ease),box-shadow .15s var(--ease),filter .15s}
.btn svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn:active{transform:scale(.985)}
.btn:disabled{opacity:.65;cursor:progress;transform:none}
.btn-grad{width:100%;margin-top:22px;color:#fff;background:var(--grad);box-shadow:0 12px 24px -8px rgba(79,70,229,.6)}
.btn-grad:hover{color:#fff;filter:brightness(1.06);box-shadow:0 16px 28px -8px rgba(79,70,229,.7)}
.btn-ok{width:100%;margin-top:18px;color:#fff;background:var(--ok);box-shadow:0 12px 24px -8px rgba(5,150,105,.55)}
.btn-ok:hover{color:#fff;background:var(--ok-2)}
.btn-ghost{color:var(--ink);background:var(--surface);border:1px solid var(--line-2)}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-tint)}
.btn-dl{min-height:44px;padding:8px 16px;color:#fff;background:var(--primary);font-size:15px}
.btn-dl:hover{color:#fff;background:var(--primary-2)}
.linkbtn{display:inline-flex;align-items:center;min-height:44px;margin-top:6px;padding:0;border:0;background:none;color:var(--ink-2);font:inherit;font-size:14px;font-weight:500;cursor:pointer}
.linkbtn:hover{color:var(--primary)}
.form-foot{margin-top:12px;font-size:13.5px;color:var(--ink-2)}
.error{color:var(--danger);font-weight:600;margin-top:10px;line-height:1.5}
.error a{color:inherit;text-decoration:underline}
.cf-turnstile{margin-top:16px}

/* ===== bước 2: xem trước mờ + bảng kê ===== */
.quote-grid{display:grid;gap:20px;align-items:start}
@media (min-width:960px){.quote-grid{grid-template-columns:minmax(0,1fr) 25rem;gap:24px}}
.doc-preview{position:relative;overflow:hidden;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);padding:18px}
.doc-page{position:relative;margin:0 auto;max-width:34rem;min-height:440px;padding:26px 28px;background:#fff;border:1px solid var(--line);border-radius:4px;box-shadow:0 1px 2px rgba(15,23,42,.05),0 12px 28px -10px rgba(15,23,42,.18);font-size:12px;color:var(--ink-2)}
.doc-top{display:flex;justify-content:space-between;gap:10px;padding-bottom:6px;margin-bottom:12px;border-bottom:1px solid var(--line);font-size:11px}
.doc-top span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.doc-h{text-align:center;font-weight:700;font-size:12.5px;letter-spacing:.04em;color:var(--ink);margin-bottom:12px}
.doc-lines{display:grid;gap:7px;margin:10px 0}
.doc-lines i{display:block;height:7px;border-radius:4px;background:#E2E8F0}
.doc-table{width:100%;border-collapse:collapse;margin:12px 0;font-size:11.5px}
.doc-table th,.doc-table td{border:1px solid #CBD5E1;padding:5px 7px;text-align:left}
.doc-table th{background:#F1F5F9;font-weight:600;color:var(--ink)}
.doc-table td:nth-child(n+2),.doc-table th:nth-child(n+2){text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.doc-table td i{display:block;height:7px;border-radius:4px;background:#E2E8F0}
.lock-veil{position:absolute;left:0;right:0;bottom:0;top:34%;display:flex;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);background:linear-gradient(180deg,rgba(248,250,252,.25),rgba(248,250,252,.9) 40%)}
.lock-box{display:flex;flex-direction:column;align-items:center;gap:6px;max-width:22rem;padding:20px 22px;text-align:center;background:rgba(255,255,255,.92);border:1px solid rgba(199,210,254,.9);border-radius:var(--r);box-shadow:var(--shadow-xl)}
.lock-ico{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--grad);color:#fff}
.lock-ico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lock-box b{font-size:15px;line-height:1.4;color:var(--ink)}
.lock-box small{font-size:13px;color:var(--ink-2)}
.pre-note{margin-top:12px;padding:10px 14px;border-radius:var(--r-sm);background:var(--primary-tint);color:var(--primary-2);font-size:14px;font-weight:500}
.preview-card .small{margin-top:12px}
.invoice{position:sticky;top:84px}
.invoice h2{margin-bottom:12px}
.kv{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:8px 14px;margin:0;font-size:14.5px}
.kv dt{color:var(--ink-3)}
.kv dd{margin:0;font-weight:600;overflow-wrap:anywhere}
table.price{width:100%;border-collapse:collapse;margin:16px 0 4px;font-size:14.5px;border-top:1px solid var(--line)}
table.price td{padding:9px 0;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
table.price td:last-child{text-align:right;white-space:nowrap;padding-left:12px;font-variant-numeric:tabular-nums;color:var(--ink);font-weight:600}
.total-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:8px 0 14px;font-weight:600}
.total{font-size:28px;font-weight:800;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.coupon-row{padding:12px;border:1px dashed var(--line-2);border-radius:var(--r-sm);background:var(--surface-2)}
.coupon-in{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-top:6px}
.coupon-in .btn{min-height:48px;padding:0 16px;font-size:15px}
.invoice .small{margin-top:12px}

/* ===== bước 3: QR + tia quét ===== */
.pay-grid{display:grid;gap:24px;align-items:start}
@media (min-width:860px){.pay-grid{grid-template-columns:19rem minmax(0,1fr);gap:36px}}
.qr-side{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}
.qr-frame{position:relative;padding:12px;border-radius:20px;background:var(--grad);box-shadow:0 20px 40px -14px rgba(79,70,229,.55)}
.qr-frame::before{content:"";position:absolute;inset:4px;border-radius:17px;background:#fff}
.qr-frame img{position:relative;display:block;width:240px;height:240px;border-radius:12px;background:#fff}
.laser{position:absolute;left:10%;right:10%;top:6%;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,#34D399 20%,#10B981 50%,#34D399 80%,transparent);box-shadow:0 0 12px 3px rgba(16,185,129,.55);animation:laser 2.6s ease-in-out infinite;pointer-events:none}
@keyframes laser{0%{top:6%}50%{top:92%}100%{top:6%}}
.qr-cap{font-size:14px;color:var(--ink-2);max-width:18rem}
.listen{display:inline-flex;align-items:flex-start;gap:10px;padding:10px 14px;border-radius:var(--r-sm);background:var(--ok-tint);border:1px solid var(--ok-line);color:var(--ok-2);font-size:13.5px;font-weight:500;text-align:left}
.spin{flex:0 0 auto;width:16px;height:16px;margin-top:2px;border-radius:50%;border:2px solid rgba(5,150,105,.25);border-top-color:var(--ok);animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.countdown{font-size:14px;font-weight:600;color:var(--ink-2);font-variant-numeric:tabular-nums}
.copy-list{list-style:none;margin:8px 0 0;padding:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.copy-list li{display:grid;grid-template-columns:8.5rem minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 14px;border-top:1px solid var(--line);font-size:15px}
.copy-list li:first-child{border-top:0}
.copy-list .k{color:var(--ink-3);font-size:14px}
.copy-list .v{font-weight:600;overflow-wrap:anywhere}
.copy-list .v.strong{font-size:17px;color:var(--primary-2);letter-spacing:.02em}
.copy{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line-2);border-radius:10px;background:#fff;color:var(--ink-2);cursor:pointer;transition:all .15s}
.copy:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-tint)}
.copy svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:479px){.copy-list li{grid-template-columns:minmax(0,1fr) auto}.copy-list .k{grid-column:1/-1;margin-bottom:-6px}}
.pay-note{margin-top:12px;font-size:14px;color:var(--ink-2)}
.pre-box{margin-top:14px}
.order-link{margin-top:16px;font-size:13.5px;color:var(--ink-2);overflow-wrap:anywhere}
.badge{display:inline-block;border-radius:99px;padding:4px 12px;font-weight:600;font-size:14px;line-height:1.4;color:var(--warn);background:var(--warn-tint);border:1px solid var(--warn-line)}
.badge.ok{color:var(--ok-2);background:var(--ok-tint);border-color:var(--ok-line)}
progress{width:100%;height:10px;appearance:none;-webkit-appearance:none;border:0;border-radius:99px;background:var(--line);overflow:hidden}
progress::-webkit-progress-bar{background:var(--line);border-radius:99px}
progress::-webkit-progress-value{background:var(--grad);border-radius:99px;transition:width .4s var(--ease)}
progress::-moz-progress-bar{background:var(--primary);border-radius:99px}
#stage,#preStage{margin-top:6px;font-size:14.5px}

/* ===== bước 4: thành công & tải về ===== */
.done-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 16px;align-items:center;padding:20px;border-radius:12px;background:var(--primary-tint);border:1px solid #C7D2FE}
.done-head .badge{grid-column:1/-1;justify-self:start}
@media (min-width:640px){.done-head{grid-template-columns:auto minmax(0,1fr) auto}.done-head .badge{grid-column:auto}}
.done-head.is-ready{background:linear-gradient(135deg,#ECFDF5,#F0FDF4 60%,#EEF2FF);border-color:var(--ok-line)}
.done-head.is-bad{background:var(--danger-tint);border-color:#FECACA}
.done-ico{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:var(--ok);color:#fff;box-shadow:0 10px 24px -8px rgba(5,150,105,.7)}
.done-head.is-ready .done-ico{animation:pop .6s var(--ease)}
.done-head.is-bad .done-ico{background:var(--danger)}
@keyframes pop{0%{transform:scale(.4);opacity:0}60%{transform:scale(1.12)}100%{transform:none;opacity:1}}
.done-ico svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.done-head h2{font-size:20px}
.file-row{display:flex;align-items:center;gap:10px;margin-top:16px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface-2);font-size:14.5px;color:var(--ink-2)}
.file-row svg{width:22px;height:22px;flex:0 0 auto;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
#progressBox{margin-top:16px}
ul.dl{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:8px}
ul.dl:empty{display:none}
ul.dl li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:#fff}
ul.dl li:first-child{border-color:var(--ok-line);background:var(--ok-tint)}
ul.dl li:first-child .btn-dl{background:var(--ok)}
ul.dl li:first-child .btn-dl:hover{background:var(--ok-2)}
.done-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.done-actions .btn{min-height:46px;font-size:15px}

/* ===== mục trang chủ ===== */
.sec{padding:56px 16px}
.sec.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-in{max-width:72rem;margin:0 auto}
.sec-in.narrow{max-width:48rem}
.sec .eyebrow{margin-bottom:14px}
.sec-title{font-size:clamp(24px,3.6vw,34px);letter-spacing:-.02em;max-width:30ch;text-wrap:balance}
.sec-lead{margin-top:10px;max-width:44rem;color:var(--ink-2)}
.tiers{display:grid;gap:16px;margin-top:28px}
@media (min-width:820px){.tiers{grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}}
.tier{position:relative;display:flex;flex-direction:column;gap:10px;padding:26px 24px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
.tier.is-main{border-color:#C7D2FE;box-shadow:0 24px 48px -16px rgba(79,70,229,.28)}
.tier.is-main::before{content:"Nhiều ngôn ngữ nhất";position:absolute;top:-13px;left:22px;padding:3px 12px;border-radius:99px;background:var(--grad);color:#fff;font-size:12.5px;font-weight:600}
.tier-name{font-weight:600;color:var(--ink-2);font-size:14.5px;line-height:1.45}
.tier-price{font-size:34px;font-weight:800;letter-spacing:-.03em;color:var(--ink)}
.tier-price small{font-size:14px;font-weight:500;color:var(--ink-3);margin-left:4px}
.tier ul{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:8px;font-size:14.5px;color:var(--ink-2)}
.tier li{display:flex;gap:9px;align-items:flex-start}
.tier li::before{content:"";flex:0 0 auto;width:9px;height:14px;margin:4px 6px 0 2px;border:solid var(--ok);border-width:0 2.2px 2.2px 0;transform:rotate(45deg)}
.price-notes{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:14.5px;color:var(--ink-2)}

.compare{display:grid;gap:18px;margin-top:28px}
@media (min-width:860px){.compare{grid-template-columns:repeat(3,1fr);gap:22px}}
.doc-sheet{position:relative;margin:0;background:#fff;border:1px solid var(--line);border-radius:6px;padding:22px 16px 16px;box-shadow:0 1px 2px rgba(15,23,42,.04),0 12px 28px -12px rgba(15,23,42,.2)}
.doc-sheet.is-good{border-color:var(--ok-line);box-shadow:0 0 0 3px var(--ok-tint),0 14px 30px -12px rgba(5,150,105,.35)}
.doc-sheet.is-bad{border-color:#FECACA}
.doc-tag{position:absolute;top:-12px;left:12px;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:600;background:var(--ink);color:#fff}
.doc-sheet.is-good .doc-tag{background:var(--ok-2)}
.doc-sheet.is-bad .doc-tag{background:#B91C1C}
.doc-head{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--ink-2);border-bottom:1px solid var(--line);padding-bottom:6px;margin-bottom:10px}
.doc-title{font-weight:700;font-size:13px;letter-spacing:.02em;text-align:center;margin-bottom:8px}
.doc-sheet table{width:100%;border-collapse:collapse;font-size:12px;line-height:1.4}
.doc-sheet th,.doc-sheet td{border:1px solid #CBD5E1;padding:4px 6px;text-align:left;vertical-align:top}
.doc-sheet th{background:#F1F5F9;font-weight:600}
.doc-sheet td:nth-child(n+2),.doc-sheet th:nth-child(n+2){text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.doc-sheet .doc-lines i:nth-child(2){width:86%}.doc-sheet .doc-lines i:nth-child(3){width:64%}
.doc-mess{font-size:12px;line-height:1.5;color:var(--ink-2);text-decoration:underline wavy #FCA5A5;text-underline-offset:3px}
.doc-sheet.is-bad .doc-title{text-align:left;color:var(--ink-2)}
.doc-x,.doc-ok{display:inline-block;margin-top:12px;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600}
.doc-x{background:var(--danger-tint);color:#B91C1C}
.doc-ok{background:var(--ok-tint);color:var(--ok-2)}
.why-list{list-style:none;margin:32px 0 0;padding:0;display:grid;gap:14px}
@media (min-width:760px){.why-list{grid-template-columns:1fr 1fr;gap:16px 28px}}
.why-list li{display:grid;gap:4px;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.why-list b{font-size:16px}
.why-list span{color:var(--ink-2);font-size:14.5px}

.lookup .sec-title{font-size:24px}
.lookup .muted{margin-top:6px}
.lookup-form{display:grid;gap:10px;margin-top:16px}
@media (min-width:560px){.lookup-form{grid-template-columns:minmax(0,1fr) auto}.lookup-form .btn{margin-top:0;width:auto;padding:0 20px}}
.lookup-form .btn{margin-top:0}

.faq details{border-bottom:1px solid var(--line)}
.faq details:first-of-type{border-top:1px solid var(--line);margin-top:14px}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:56px;padding:12px 0;font-weight:600;font-size:16px;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--primary);flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 16px;color:var(--ink-2);max-width:48rem}

.foot{background:var(--ink);color:#CBD5E1;font-size:14px}
.foot-in{max-width:76rem;margin:0 auto;padding:24px 16px 32px;display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:space-between;align-items:center}
.foot a{display:inline-flex;align-items:center;min-height:44px;color:#fff}
.foot a:hover{color:#C7D2FE}
.toast{position:fixed;left:50%;bottom:24px;z-index:50;transform:translateX(-50%);padding:10px 18px;border-radius:99px;background:var(--ink);color:#fff;font-size:14px;font-weight:600;box-shadow:0 12px 24px -8px rgba(15,23,42,.5);animation:rise .3s var(--ease)}

/* ===== điều khoản (terms.html) ===== */
.doc{max-width:46rem;margin:0 auto;padding:24px 16px 56px}
.doc .card{line-height:1.7}
.doc h1{font-size:clamp(28px,5vw,36px);margin:4px 0 8px}
.doc h2{font-size:20px;margin:28px 0 8px}
.doc ul{padding-left:20px;display:flex;flex-direction:column;gap:6px}

/* ===== biên lai (chỉ khi in) ===== */
.receipt{display:none}
@media print{
  body>*{display:none!important}
  body>.receipt{display:block!important;font-family:var(--font);color:#000;padding:24px}
  .receipt h1{font-size:22px}.receipt table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
  .receipt th,.receipt td{border:1px solid #999;padding:6px 8px;text-align:left}.receipt th{width:36%;background:#f3f3f3}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}