/* NumLocate — base.css
   Design tokens + components from the approved bento 2026 mockup.
   Rule: no colour literals outside :root. Change a token, the whole site follows. */

:root{
  /* surfaces */
  --ground:#fafaf7; --panel:#ffffff; --panel-2:#f3f4f9;
  --ink:#0d1220; --ink-soft:#3d465c; --muted:#656e87; --line:#e9e9f1;
  /* brand. --brand is for fills; --brand-ink is the same hue darkened enough
     to pass 4.5:1 as small text on every surface (see check.mjs CONTRAST). */
  --brand:#5a63ff; --brand-d:#454ee6; --brand-2:#7a5cff; --brand-ink:#4a53f0; --on-brand:#ffffff;
  --warn:#a34e08; --warn-bg:#fff4e8;
  --mint-ink:#077a58; --us-bg:#f3f4ff; --us-bg-head:#f0f1ff;
  --mint:#12c790; --lav:#b6a6ff; --peach:#ffb49a; --sky:#6fd0ff;
  --brand-wash:#ebecff;
  /* geometry */
  --radius:22px; --radius-sm:14px; --maxw:1180px; --maxw-doc:820px; --maxw-read:700px; --gap:16px; --sect:92px;
  --shadow:0 26px 60px -34px rgba(30,34,90,.34);
  --shadow-soft:0 8px 22px -16px rgba(30,34,90,.5);
  /* type */
  --serif:ui-serif,"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Mono",Menlo,Consolas,monospace;
}

@media(prefers-color-scheme:dark){:root{
  --ground:#090b14; --panel:#12141f; --panel-2:#171a28;
  --ink:#eef0f8; --ink-soft:#b9c0d6; --muted:#8590aa; --line:#232838;
  --brand:#7d84ff; --brand-d:#6169ff; --brand-2:#9a7cff; --brand-ink:#7d84ff; --on-brand:#0d1220;
  --warn:#ffb066; --warn-bg:#241a10;
  --mint-ink:#12c790; --us-bg:#191c2e; --us-bg-head:#1d2038; --brand-wash:#1e213a;
  --shadow:0 26px 60px -34px rgba(0,0,0,.72);
  --shadow-soft:0 8px 22px -16px rgba(0,0,0,.6);
}}
:root[data-theme="dark"]{
  --ground:#090b14;--panel:#12141f;--panel-2:#171a28;--ink:#eef0f8;--ink-soft:#b9c0d6;
  --muted:#8590aa;--line:#232838;--brand:#7d84ff;--brand-d:#6169ff;--brand-2:#9a7cff;--brand-ink:#7d84ff;--on-brand:#0d1220;--warn:#ffb066;--warn-bg:#241a10;--mint-ink:#12c790;--us-bg:#191c2e;--us-bg-head:#1d2038;--brand-wash:#1e213a;
  --shadow:0 26px 60px -34px rgba(0,0,0,.72);--shadow-soft:0 8px 22px -16px rgba(0,0,0,.6)
}
:root[data-theme="light"]{
  --ground:#fafaf7;--panel:#ffffff;--panel-2:#f3f4f9;--ink:#0d1220;--ink-soft:#3d465c;
  --muted:#656e87;--line:#e9e9f1;--brand:#5a63ff;--brand-d:#454ee6;--brand-2:#7a5cff;--brand-ink:#4a53f0;--on-brand:#ffffff;--warn:#a34e08;--warn-bg:#fff4e8;--mint-ink:#077a58;--us-bg:#f3f4ff;--us-bg-head:#f0f1ff;--brand-wash:#ebecff;
  --shadow:0 26px 60px -34px rgba(30,34,90,.34);--shadow-soft:0 8px 22px -16px rgba(30,34,90,.5)
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ground);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:4px}

/* CJK: no negative tracking, safer wrapping, native font stack */
html[lang^="zh"] body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans CJK SC",var(--sans);line-height:1.75}
html[lang^="zh"] h1,html[lang^="zh"] h2,html[lang^="zh"] h3{letter-spacing:0;line-height:1.25}
html[lang^="zh"] .h1{line-height:1.2}
html[lang^="zh"] .eyebrow{letter-spacing:.1em}
/* italic + serif on CJK is a Latin idiom that renders badly — keep the gradient, drop the slant */
html[lang^="zh"] em,html[lang^="zh"] .em{font-family:inherit;font-style:normal;font-weight:800}
html[lang^="zh"]{line-break:strict;word-break:normal;overflow-wrap:break-word}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:var(--on-brand);font-family:inherit;font-weight:700;font-size:1rem;border:none;border-radius:var(--radius-sm);padding:14px 24px;cursor:pointer;transition:transform .14s,box-shadow .14s,background .14s;box-shadow:0 14px 30px -14px var(--brand);white-space:nowrap;text-align:center}
.btn:hover{transform:translateY(-2px);background:var(--brand-d)}
.btn:disabled{opacity:.75;cursor:default;transform:none}
.btn.sm{padding:9px 16px;font-size:.9rem;border-radius:11px}
@media(prefers-reduced-motion:reduce){.btn:hover{transform:none}}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:color-mix(in srgb,var(--ground) 82%,transparent);border-bottom:1px solid var(--line)}
/* padding NGANG phải nhắc lại 22px: .nav đứng sau .wrap trong file và cùng độ ưu tiên,
   nên `padding:8px 0` xoá mất `padding:0 22px` của .wrap — header mất lề, trên điện
   thoại logo dính sát mép trái còn nút ☰ dính mép phải. */
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px;padding:8px 22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.22rem;letter-spacing:-.02em;color:var(--ink)}
.logo .pin{width:30px;height:30px;border-radius:10px;background:conic-gradient(from 140deg,var(--brand),var(--sky),var(--mint),var(--brand));display:grid;place-items:center;color:var(--on-brand);flex:none}
.nav-r{display:flex;align-items:center;gap:16px}
.nav-r a{color:var(--muted);font-size:.92rem;font-weight:600}
.nav-r a:hover{color:var(--ink)}
.nav-r a.btn{color:var(--on-brand)}
.nav a.home{color:var(--muted);font-size:.9rem;font-weight:600}
/* mobile menu — <details>/<summary>, no JS: the four feature links are otherwise
   unreachable below 820px, where .hide-sm removes them from the bar. The sheet is
   absolutely positioned against <header> (sticky ⇒ it is the containing block), so
   nothing between it and the header may be positioned. */
/* Reset bắt buộc: base.css có luật `details{...}` TOÀN CỤC cho accordion FAQ (border,
   nền, padding 2px 20px, margin, max-width). Không gỡ thì nút ☰ đội thêm một hộp
   trắng 81px. Mọi <details> mới thêm sau này đều phải reset như vầy. */
.menu{display:none;border:0;border-radius:0;background:none;padding:0;margin:0;max-width:none}
.menu summary{display:grid;place-items:center;width:40px;height:40px;padding:0;border-radius:11px;border:1px solid var(--line);background:var(--panel);cursor:pointer;list-style:none}
.menu summary::-webkit-details-marker{display:none}
.menu summary::marker{content:""}
/* the FAQ accordions add a +/− glyph to every summary — the ☰ button must not inherit it */
.menu summary::after,.menu[open] summary::after{content:none}
.bars{display:block;width:17px;height:12px;position:relative}
.bars i{position:absolute;left:0;right:0;height:2px;border-radius:2px;background:var(--ink);transition:transform .18s,opacity .18s}
.bars i:nth-child(1){top:0}.bars i:nth-child(2){top:5px}.bars i:nth-child(3){top:10px}
.menu[open] .bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.menu[open] .bars i:nth-child(2){opacity:0}
.menu[open] .bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.sheet{position:absolute;left:0;right:0;top:100%;display:flex;flex-direction:column;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:2px 22px 10px}
.sheet a{display:flex;align-items:center;justify-content:space-between;min-height:46px;font-size:.98rem;font-weight:600;color:var(--ink-soft);border-bottom:1px solid var(--line)}
.sheet a:last-child{border-bottom:none}
.sheet a:hover{color:var(--ink)}
.sheet a::after{content:"→";color:var(--muted);font-size:.85rem}
@media(prefers-reduced-motion:reduce){.bars i{transition:none}}
/* Khoảng cách phải bóp lại ở mobile, nếu không logo + CTA + nút ☰ vượt khỏi 360px
   (đo được +6px tràn ngang trên bản EN trước khi bóp). */
@media(max-width:820px){.nav-r .hide-sm{display:none}.menu{display:block}.nav{gap:10px}.nav-r{gap:8px}}
/* Ở 320px (iPhone SE đời đầu, màn ngoài máy gập) chỉ bóp gap là chưa đủ — logo + CTA
   + ☰ vẫn tràn 8–12px tuỳ ngôn ngữ. Bóp logo và nút CTA, GIỮ nút ☰ ở 40px để không
   tụt xuống dưới ngưỡng chạm. */
@media(max-width:360px){
  .logo{font-size:1.06rem}
  .logo .pin{width:26px;height:26px}
  .nav-r .btn.sm{padding:9px 12px;font-size:.86rem}
}

/* ---------- hero + bento ---------- */
.hero{position:relative;overflow:hidden;padding:52px 0 68px}
.hero::before{content:"";position:absolute;inset:-20% -10% auto -10%;height:720px;z-index:0;pointer-events:none;
  background:
    radial-gradient(38% 46% at 18% 22%, color-mix(in srgb,var(--lav) 60%,transparent), transparent 70%),
    radial-gradient(40% 48% at 82% 12%, color-mix(in srgb,var(--sky) 55%,transparent), transparent 70%),
    radial-gradient(46% 54% at 62% 78%, color-mix(in srgb,var(--mint) 42%,transparent), transparent 72%),
    radial-gradient(40% 50% at 30% 90%, color-mix(in srgb,var(--peach) 44%,transparent), transparent 74%);
  filter:blur(30px);opacity:.9}
.hero .wrap{position:relative;z-index:1}
.heronote{display:inline-flex;align-items:center;gap:9px;font-size:.82rem;font-weight:600;color:var(--ink-soft);background:var(--panel);border:1px solid var(--line);padding:6px 14px;border-radius:999px;margin-bottom:22px;box-shadow:var(--shadow-soft)}
.ck{color:var(--mint-ink);font-weight:800}
/* Sàn 1.75rem, không phải 2.4rem: dưới 600px bề rộng thì 6.4vw luôn nhỏ hơn sàn, nên
   sàn CHÍNH LÀ cỡ chữ mobile. Từ 31·08·2026 H1 mang cả cụm keyword (SPEC 2G-bis) nên
   sàn cũ đẩy ô nhập số xuống dưới màn hình đầu ở 6/9 ngôn ngữ. Độ dốc + trần giữ nguyên
   ⇒ tablet rộng và desktop không đổi. Đổi sàn thì đo lại số dòng H1 ở 360px cả 9 bản. */
h1{font-size:clamp(1.75rem,6.4vw,4.6rem);line-height:.98;font-weight:850;letter-spacing:-.038em;text-wrap:balance}
h1 em,.em{font-family:var(--serif);font-style:italic;font-weight:600;background:linear-gradient(100deg,var(--brand),var(--mint));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{color:var(--ink-soft);font-size:1.2rem;margin:22px 0 0;max-width:560px}
/* Màn hình đầu của điện thoại chỉ còn ~600px sau thanh địa chỉ. Khoảng thở của hero
   viết cho desktop đẩy ô nhập số (CTA chính) xuống dưới mốc đó ở bản FR và TR — hai
   ngôn ngữ có H1 dài nhất. Bóp lại ở ≤600px để cả 9 ngôn ngữ thấy ô nhập số ngay. */
@media(max-width:600px){
  .hero{padding:30px 0 46px}
  .heronote{margin-bottom:16px}
  .hero .sub{font-size:1.06rem;margin-top:16px}
}

.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-top:40px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;overflow:hidden;opacity:0;transform:translateY(14px);animation:rise .6s cubic-bezier(.2,.7,.2,1) forwards}
.tile:nth-child(2){animation-delay:.06s}.tile:nth-child(3){animation-delay:.12s}
.tile:nth-child(4){animation-delay:.18s}.tile:nth-child(5){animation-delay:.24s}
@keyframes rise{to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.tile{animation:none;opacity:1;transform:none}}

.t-main{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.t-main .lead{font-weight:700;font-size:1.05rem;margin-bottom:12px}
.locate{display:flex;gap:8px;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px}
.locate .cc{display:flex;align-items:center;gap:6px;padding:0 12px;color:var(--ink-soft);font-weight:700;border-inline-end:1px solid var(--line);white-space:nowrap}
.locate input{flex:1;background:transparent;border:none;outline:none;color:var(--ink);font-family:inherit;font-size:1.04rem;padding:12px 4px;min-width:0}
.locate input::placeholder{color:var(--muted)}
.locate input:focus-visible{outline-offset:-2px}
@media(max-width:520px){.locate{flex-wrap:wrap}.locate .btn{width:100%}}
.microc{color:var(--muted);font-size:.82rem;margin-top:12px;display:flex;gap:7px;align-items:flex-start}
.quickrow{display:flex;gap:20px;flex-wrap:wrap;color:var(--ink-soft);font-size:.86rem;font-weight:600}
.quickrow span{display:flex;align-items:center;gap:7px}

.t-map{grid-row:span 2;padding:0;min-height:240px}
.mapface{position:absolute;inset:0;background:
   radial-gradient(120% 90% at 30% 20%, color-mix(in srgb,var(--sky) 22%,transparent), transparent 60%),
   linear-gradient(160deg,var(--panel-2),var(--panel))}
.mapface::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:30px 30px;opacity:.7}
.mpin{position:absolute;top:40%;left:56%;width:18px;height:18px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 7px color-mix(in srgb,var(--mint) 26%,transparent);animation:pulse 2.2s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--mint) 55%,transparent)}100%{box-shadow:0 0 0 22px color-mix(in srgb,var(--mint) 0%,transparent)}}
@media(prefers-reduced-motion:reduce){.mpin{animation:none}}
.mchip{position:absolute;inset-inline:14px;bottom:14px;background:color-mix(in srgb,var(--panel) 90%,transparent);border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;gap:10px;align-items:center;backdrop-filter:blur(6px)}
.mchip .d{width:32px;height:32px;border-radius:9px;background:color-mix(in srgb,var(--mint) 16%,transparent);display:grid;place-items:center;color:var(--mint);flex:none}
.mchip b{font-size:.86rem;display:block}
.mchip span{color:var(--muted);font-size:.74rem}

.t-val{display:flex;flex-direction:column;justify-content:center}
.t-val .ico{width:44px;height:44px;border-radius:12px;background:color-mix(in srgb,var(--brand) 12%,transparent);display:grid;place-items:center;font-size:1.3rem;margin-bottom:14px}
.t-val h2{font-size:1.1rem;margin-bottom:4px;letter-spacing:-.01em;font-weight:750}
.t-val p{color:var(--muted);font-size:.9rem}

@media(max-width:860px){.bento{grid-template-columns:repeat(2,1fr)}.t-main{grid-column:span 2;grid-row:auto}.t-map{grid-row:auto;min-height:200px}}
@media(max-width:540px){.bento{grid-template-columns:1fr}.t-main{grid-column:auto}}

/* ---------- sections ---------- */
section{padding:78px 0}
.tinted{background:var(--panel-2);border-block:1px solid var(--line)}
.shead{max-width:680px;margin:0 auto 44px;text-align:center}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brand-ink);font-weight:700}
.shead h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-top:12px;letter-spacing:-.03em;font-weight:820;text-wrap:balance}
.shead h2 em{font-family:var(--serif);font-style:italic;font-weight:600}
.shead p{color:var(--muted);margin-top:12px;font-size:1.06rem}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.step .n{font-family:var(--mono);font-size:.78rem;font-weight:700;color:var(--brand-ink);letter-spacing:.1em}
.step h3{font-size:1.2rem;margin:12px 0 6px;letter-spacing:-.01em}
.step p{color:var(--muted);font-size:.95rem}

.explain{max-width:760px;margin:0 auto;text-align:center}
.explain h2{font-size:clamp(1.55rem,3.4vw,2.2rem);letter-spacing:-.02em;font-weight:820;margin:12px 0 16px;text-wrap:balance}
.explain p{font-size:1.12rem;color:var(--ink-soft)}
.explain p + p{margin-top:14px}
.explain b{color:var(--ink)}

.fbento{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
@media(max-width:900px){.fbento{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.fbento{grid-template-columns:1fr}}
.fcard{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .15s,box-shadow .15s,border-color .15s}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
@media(prefers-reduced-motion:reduce){.fcard:hover{transform:none}.fcard:hover h3 a[href]::after{translate:none}}
.fcard.wide{grid-column:span 2}
@media(max-width:520px){.fcard.wide{grid-column:auto}}
.fcard .ico{width:50px;height:50px;border-radius:var(--radius-sm);display:grid;place-items:center;font-size:1.4rem;margin-bottom:16px;background:color-mix(in srgb,var(--brand) 12%,transparent)}
.fcard.wide .ico{background:color-mix(in srgb,var(--mint) 16%,transparent)}
.fcard h3{font-size:1.12rem;margin-bottom:6px;letter-spacing:-.01em}
.fcard p{color:var(--muted);font-size:.93rem}
/* Cards whose heading carries an href are links to a feature page: the ::before
   stretches the click target over the whole card, the arrow marks it as a link. */
.fcard h3 a[href]::before{content:"";position:absolute;inset:0;border-radius:var(--radius)}
.fcard h3 a[href]::after{content:" →";color:var(--brand-ink);display:inline-block;transition:translate .15s}
.fcard:hover h3 a[href]::after{translate:4px 0}
.fcard:has(h3 a[href]):hover{border-color:var(--brand)}

.safety{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:42px}
@media(max-width:820px){.safety{grid-template-columns:1fr;padding:30px}}
.safety h2{font-size:1.8rem;margin-bottom:12px;letter-spacing:-.02em;text-wrap:balance}
.safety h2 em{font-family:var(--serif);font-style:italic;font-weight:600}
.safety p{color:var(--ink-soft);margin-bottom:14px}
.safety ul{list-style:none;display:grid;gap:12px}
.safety li{display:flex;gap:11px;color:var(--ink-soft);font-size:.96rem}
.safety li .ck{flex:none}
.shield{justify-self:center;width:172px;height:172px;border-radius:30px;display:grid;place-items:center;font-size:4.4rem;background:
   radial-gradient(circle at 30% 25%, color-mix(in srgb,var(--brand) 22%,transparent), transparent 60%),
   radial-gradient(circle at 75% 80%, color-mix(in srgb,var(--mint) 24%,transparent), transparent 60%),var(--panel-2);border:1px solid var(--line)}

details{border:1px solid var(--line);border-radius:var(--radius-sm);padding:2px 20px;margin-bottom:10px;background:var(--panel);max-width:780px;margin-inline:auto}
summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--muted);font-size:1.3rem;flex:none}
details[open] summary::after{content:"−"}
details p{color:var(--muted);padding-bottom:16px;font-size:.94rem}

.band{position:relative;overflow:hidden;border-radius:26px;padding:60px 40px;text-align:center;color:var(--on-brand);background:linear-gradient(130deg,var(--brand),var(--brand-2) 55%,var(--mint))}
.band::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 82% 0%,color-mix(in srgb,var(--on-brand) 22%,transparent),transparent 60%)}
.band>*{position:relative}
.band h2{font-size:clamp(1.8rem,4vw,2.7rem);letter-spacing:-.03em;font-weight:850;text-wrap:balance}
.band p{opacity:.94;margin:14px 0 28px;font-size:1.1rem}
.band .btn{background:var(--panel);color:var(--brand-ink)}
.band .btn:hover{background:var(--panel)}
/* Đáy trang chủ mang luôn ô nhập số, thay vì nút bắn ngược 7.000px lên hero (đo trên
   máy thật: 949ms cuộn + còn phải chạm thêm lần nữa mới gõ được). Ô nhập nền trắng
   trên nền gradient lặp lại đúng thủ pháp thẻ-trắng-trên-nền-màu của hero. */
.band .locate{background:var(--panel);border-color:transparent;margin:0 auto;max-width:520px;box-shadow:var(--shadow)}
.band .locate .cc{color:var(--ink)}
.band .locate .btn{background:var(--brand);color:var(--on-brand)}
.band .locate .btn:hover{background:var(--brand-d)}
/* padding 40px hai bên của .band ăn hết chỗ của ô nhập ở màn 360px — số điện thoại
   bị cắt cụt. Bóp lại từ 640px trở xuống. */
@media(max-width:640px){.band{padding:44px 20px}}

/* ---------- document pages (about / privacy / terms) ---------- */
.doc{padding:44px 0 90px}
.doc .wrap{max-width:var(--maxw-doc)}
.doc h1{font-size:clamp(1.9rem,4.4vw,2.6rem);letter-spacing:-.03em;font-weight:820;margin:10px 0 6px;line-height:1.12;text-wrap:balance}
.doc .updated{color:var(--muted);font-size:.85rem;font-family:var(--mono);margin-bottom:26px}
.doc h2{font-size:1.25rem;letter-spacing:-.01em;margin:30px 0 8px;font-weight:750}
.doc h3{font-size:1.05rem;margin:20px 0 6px;font-weight:700}
.doc p{color:var(--ink-soft);margin:.6em 0;line-height:1.68}
.doc ul{color:var(--ink-soft);margin:.5em 0;padding-inline-start:22px}
.doc li{margin:6px 0}
.doc strong{color:var(--ink)}
.doc a{color:var(--brand-ink)}
.doc a:hover{text-decoration:underline}
.about-hero{background:var(--panel-2);border:1px solid var(--line);border-radius:20px;padding:32px;margin-bottom:8px}
.about-hero p{font-size:1.12rem;color:var(--ink-soft)}
.ccard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px;max-width:420px}
.doc-cta{margin-top:26px}
.doc-cta .btn{color:var(--on-brand)}
.ccard .ic{font-size:1.5rem;margin-bottom:8px}
.ccard h3{font-size:1.05rem;margin:0 0 4px}
.ccard p{margin:0;font-size:.93rem}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:46px 0;background:var(--panel-2)}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
.flinks{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:.88rem}
.flinks a:hover{color:var(--ink)}
.langs{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.langs h2{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:10px}
.langs ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;padding:0}
.langs a{color:var(--muted);font-size:.86rem}
.langs a:hover{color:var(--ink)}
.langs a[aria-current="true"]{color:var(--ink);font-weight:700}
.disc{color:var(--muted);font-size:.76rem;margin-top:24px;padding-top:18px;border-top:1px solid var(--line);line-height:1.55}

/* ══════════ FEATURE PAGES (EPIC 2B → nội dung dày v6, EPIC 2C) ══════════
   Ba trang ba archetype: /track so sánh · /find-someone phân loại · /verify-caller tra cứu.
   Nhịp chung duy nhất là hero đồ hoạ + "1 module / 1 section" — phần ruột của mỗi
   section chỉ xuất hiện ở đúng một trang, nên ba trang không phải một template. */

.feat section{padding:var(--sect) 0}
.feat .shead{max-width:640px;margin:0 auto 44px;text-align:center}
.feat .shead h2{font-size:clamp(1.5rem,3.1vw,2.05rem);letter-spacing:-.025em;font-weight:830;margin-top:12px;text-wrap:balance}
.feat .shead p{color:var(--ink-soft);font-size:1.02rem;margin-top:14px}
.feat .shead.start{margin-inline:0;text-align:start}
.narrow{max-width:var(--maxw-read);margin:0 auto}
.prose p{font-size:1.06rem;color:var(--ink-soft)}
.prose p + p{margin-top:16px}
.prose b{color:var(--ink)}
.sibs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:26px}
.sibs a{font-size:.9rem;font-weight:700;color:var(--brand-ink);border:1px solid color-mix(in srgb,var(--brand) 30%,var(--line));border-radius:999px;padding:9px 17px}
.sibs a:hover{background:color-mix(in srgb,var(--brand) 8%,transparent)}

/* ── hero đồ hoạ: nền bản đồ dựng hoàn toàn bằng CSS (CSP chặn asset ngoài) ── */
.fhero{position:relative;overflow:hidden;padding:78px 0 86px;border-bottom:1px solid var(--line)}
.mapbg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.mapbg::before{content:"";position:absolute;inset:-10%;
  background:
    repeating-linear-gradient(0deg,transparent 0 54px,color-mix(in srgb,var(--brand) 13%,transparent) 54px 55px),
    repeating-linear-gradient(90deg,transparent 0 72px,color-mix(in srgb,var(--brand) 13%,transparent) 72px 73px);
  -webkit-mask-image:radial-gradient(115% 95% at 72% 42%,#000 22%,transparent 74%);
  mask-image:radial-gradient(115% 95% at 72% 42%,#000 22%,transparent 74%)}
.mapbg::after{content:"";position:absolute;inset:0;
  background:
    linear-gradient(74deg,transparent calc(58% - 13px),color-mix(in srgb,var(--brand) 15%,transparent) calc(58% - 13px) calc(58% + 13px),transparent calc(58% + 13px)),
    linear-gradient(168deg,transparent calc(76% - 9px),color-mix(in srgb,var(--sky) 26%,transparent) calc(76% - 9px) calc(76% + 9px),transparent calc(76% + 9px)),
    radial-gradient(circle at 84% 74%,color-mix(in srgb,var(--mint) 20%,transparent) 0 82px,transparent 83px);
  -webkit-mask-image:radial-gradient(110% 92% at 74% 44%,#000 18%,transparent 72%);
  mask-image:radial-gradient(110% 92% at 74% 44%,#000 18%,transparent 72%)}
.mkr{position:absolute;left:var(--x);top:var(--y);width:15px;height:15px;border-radius:50%;
  background:var(--c,var(--brand));box-shadow:0 0 0 5px color-mix(in srgb,var(--c,var(--brand)) 20%,transparent)}
.mkr::after{content:"";position:absolute;inset:-19px;border-radius:50%;
  border:1.5px solid color-mix(in srgb,var(--c,var(--brand)) 42%,transparent);animation:ping 3.6s cubic-bezier(.2,.6,.3,1) infinite}
.mkr.slow::after{animation-delay:1.2s}
.mkr.slower::after{animation-delay:2.4s}
.mkr.q{background:transparent;box-shadow:none;border:2px dashed color-mix(in srgb,var(--muted) 60%,transparent);width:74px;height:74px}
.mkr.q::after{animation:none;inset:-1px;border:none}
@keyframes ping{0%{transform:scale(.55);opacity:.9}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}
@media(prefers-reduced-motion:reduce){.mkr::after{animation:none;opacity:.5}}
/* lớp phủ giữ tương phản chữ trên nền bản đồ */
.heroveil{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(100deg,var(--ground) 0 34%,color-mix(in srgb,var(--ground) 62%,transparent) 62%,transparent 100%)}
.fhero .wrap{position:relative;z-index:2}
.fhero h1{font-size:clamp(2rem,4.4vw,3.15rem);line-height:1.05;font-weight:850;letter-spacing:-.035em;text-wrap:balance;max-width:17ch;margin-top:16px}
.fhero .lead{color:var(--ink-soft);font-size:1.08rem;margin-top:16px;max-width:50ch}
.crumb{font-size:.82rem;font-weight:600;color:var(--muted);margin-bottom:14px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.crumb li:not(:last-child)::after{content:"\203A ";margin-left:8px}
.crumb a{color:var(--brand-ink);text-decoration:underline;text-underline-offset:2px}
.fhero .locate{max-width:490px;background:var(--panel);box-shadow:var(--shadow-soft);margin-top:26px}
/* home's .microc is a flex row (lock icon + line); a feature page runs a
   sentence with a link through it, so it goes back to normal text flow */
.feat .microc{display:block}
.fhero .microc{max-width:490px}
.microc .tolink{color:var(--brand-ink);text-decoration:underline;text-underline-offset:2px}
.cond{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-top:30px}
.cond + .locate{margin-top:10px}
.trust{display:flex;flex-wrap:wrap;gap:0;margin-top:38px;border-top:1px solid var(--line);padding-top:18px;max-width:660px}
.trust div{padding-inline-end:26px;margin-inline-end:26px;border-inline-end:1px solid var(--line)}
.trust div:last-child{border-inline-end:none;margin-inline-end:0;padding-inline-end:0}
.trust .k{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.trust .v{font-size:.98rem;font-weight:750;margin-top:2px}

/* ── /track — trang so sánh: hai bảng đối chiếu là xương sống ── */
.matrix{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.matrix table{border-collapse:collapse;width:100%;min-width:760px;font-size:.93rem;font-variant-numeric:tabular-nums}
.matrix th,.matrix td{text-align:start;padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.matrix thead th{font-size:1rem;font-weight:800;letter-spacing:-.01em;background:var(--panel-2);border-bottom:2px solid var(--line)}
.matrix thead th small{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-top:3px}
.matrix tbody th{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;width:20%;background:var(--panel-2)}
.matrix td{color:var(--ink-soft)}
.matrix col.us{background:var(--us-bg)}
.matrix thead th.us{color:var(--brand-ink);background:var(--us-bg-head)}
.matrix tr:last-child th,.matrix tr:last-child td{border-bottom:none}
.mk{font-weight:800}
.mk.y{color:var(--mint-ink)}
.mk.n{color:var(--warn)}
.mk.p{color:var(--muted)}
.switch{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
@media(max-width:980px){.switch{grid-template-columns:1fr}}
.sw{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.sw .from{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.sw h3{font-size:1.1rem;margin:10px 0;letter-spacing:-.01em}
.sw p{color:var(--ink-soft);font-size:.96rem}
.sw p + p{margin-top:10px}
.verdicts{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
@media(max-width:980px){.verdicts{grid-template-columns:1fr}}
.vc{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:13px}
.vc.us{border-color:color-mix(in srgb,var(--brand) 46%,var(--line));background:var(--us-bg)}
.vc .case{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;min-height:2.6em}
.vc .use{font-size:1.14rem;font-weight:830;letter-spacing:-.015em;line-height:1.25}
.vc.us .use{color:var(--brand-ink)}
.vc.no .use{color:var(--warn)}
.vc p{color:var(--ink-soft);font-size:.95rem;margin-top:auto}
.vc .stamp{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800;border:1px solid var(--line);border-radius:999px;padding:4px 11px;width:fit-content;color:var(--muted)}
.vc.us .stamp{color:var(--brand-ink);border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}
.vc.no .stamp{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 40%,var(--line))}
.qa{display:grid;max-width:var(--maxw-read);margin:0 auto;border-top:1px solid var(--line)}
.qa > div{display:grid;grid-template-columns:1fr 1.35fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
@media(max-width:700px){.qa > div{grid-template-columns:1fr;gap:6px}}
.qa dt{font-weight:750;font-size:.98rem}
.qa dd{color:var(--muted);font-size:.95rem;margin:0}
.closer{display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px 36px}
.closer h2{font-size:1.4rem;letter-spacing:-.02em;margin-bottom:6px}
.closer p{color:var(--muted);font-size:.95rem}
.closer .locate{margin-top:0;background:var(--panel-2)}

/* ── /find-someone — công cụ phân loại: hai nhánh tiễn người dùng đi chỗ khác ── */
.picks{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
@media(max-width:860px){.picks{grid-template-columns:1fr}}
.pick{text-align:start;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;cursor:pointer;font-family:inherit;color:inherit;transition:border-color .14s,transform .14s;display:block;width:100%}
.pick:hover{transform:translateY(-3px)}
@media(prefers-reduced-motion:reduce){.pick:hover{transform:none}}
.pick .n{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.pick .t{display:block;font-size:1.1rem;font-weight:750;margin:10px 0 6px;letter-spacing:-.01em}
.pick .d{display:block;color:var(--muted);font-size:.92rem}
.answer.away{background:var(--warn-bg);border-block:1px solid var(--line)}
.answer.other{background:var(--ground);border-block:1px solid var(--line)}
.answer.mine{background:var(--panel-2);border-block:1px solid var(--line)}
.vtag{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700}
.answer.away .vtag,.answer.other .vtag{color:var(--warn)}
.answer.mine .vtag{color:var(--brand-ink)}
.sub{max-width:var(--maxw-read);margin:0 auto}
.sub + .sub{margin-top:64px}
.sub h3{font-size:1.22rem;letter-spacing:-.015em;margin-bottom:18px;font-weight:800}
.sub > p{color:var(--ink-soft);font-size:1.02rem}
.sub.mid{text-align:center}
.sub.mid .locate{margin-inline:auto;max-width:490px;background:var(--panel)}
.sub.mid .microc{justify-content:center}
.enums{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media(max-width:700px){.enums{grid-template-columns:repeat(2,1fr)}}
.enum{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;text-align:center}
.enum .d{font-family:var(--mono);font-size:1.55rem;font-weight:800;letter-spacing:-.02em;color:var(--warn)}
.enum .r{font-size:.8rem;color:var(--muted);font-weight:600;margin-top:2px}
.ready{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:10px;padding:0}
.ready li{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:15px 16px}
.ready .lbl{display:block;font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:5px}
.ready .v{font-size:.94rem;color:var(--ink-soft)}
.states{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
@media(max-width:760px){.states{grid-template-columns:1fr}}
.st{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px}
.st .sig{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;font-weight:800}
.st.on .sig{color:var(--mint-ink)}
.st.off .sig{color:var(--muted)}
.st h4{font-size:1rem;margin:7px 0 6px}
.st p{font-size:.93rem;color:var(--ink-soft)}
.note{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;background:var(--panel);border:1px solid var(--line);border-inline-start:3px solid var(--warn);border-radius:var(--radius-sm);padding:17px 20px;margin-top:20px}
.note .t{font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--warn);font-weight:800;white-space:nowrap;padding-top:3px}
.note p{font-size:.94rem;color:var(--ink-soft)}
.flow{list-style:none;counter-reset:s;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel);padding:0}
.flow li{counter-increment:s;display:grid;grid-template-columns:46px 1fr;gap:16px;padding:15px 18px;border-bottom:1px solid var(--line);align-items:center}
.flow li:last-child{border-bottom:none}
.flow li::before{content:counter(s);font-family:var(--mono);font-size:.8rem;font-weight:800;color:var(--brand-ink);background:var(--brand-wash);border-radius:9px;width:32px;height:32px;display:grid;place-items:center}
.flow .who{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;display:block;margin-bottom:2px}
.flow p{font-size:.95rem;color:var(--ink-soft)}
.maybe{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media(max-width:760px){.maybe{grid-template-columns:1fr}}
.maybe div{background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius-sm);padding:15px 16px;font-size:.93rem;color:var(--ink-soft)}
.maybe b{color:var(--ink)}
.nots{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media(max-width:860px){.nots{grid-template-columns:repeat(2,1fr)}}
.nots div{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;text-align:center}
.nots .x{font-family:var(--mono);font-size:.9rem;font-weight:800;color:var(--mint-ink)}
.nots .w{display:block;font-size:.88rem;color:var(--ink-soft);margin-top:4px}
.refuse{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
@media(max-width:860px){.refuse{grid-template-columns:1fr}}
.rf{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px}
.rf .mark{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--warn)}
.rf h3{font-size:1.04rem;margin:9px 0 7px}
.rf p{font-size:.94rem;color:var(--ink-soft)}

/* ── /reverse-number — panel readout của tool đọc số (numread.js) ── */
.reader{display:flex;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px;max-width:520px;box-shadow:var(--shadow-soft);margin-top:26px}
.reader input{flex:1;background:transparent;border:none;outline:none;color:var(--ink);font-family:var(--mono);font-size:1.04rem;padding:12px 14px;min-width:0;letter-spacing:.02em}
.reader input::placeholder{color:var(--muted);letter-spacing:0;font-family:var(--sans)}
.reader input:focus-visible{outline-offset:-2px}
@media(max-width:520px){.reader{flex-wrap:wrap}.reader .btn{width:100%}}
.readout{max-width:760px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.ro-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:18px 24px;border-bottom:1px solid var(--line);background:var(--panel-2)}
.ro-num{font-family:var(--mono);font-size:1.24rem;font-weight:700;letter-spacing:.04em;font-variant-numeric:tabular-nums}
.ro-badge{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;padding:5px 11px;border-radius:999px;background:color-mix(in srgb,var(--mint) 16%,transparent);color:var(--mint-ink);white-space:nowrap}
.ro-badge.bad{background:var(--warn-bg);color:var(--warn)}
.ro-row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:15px 24px;border-bottom:1px solid var(--line);align-items:baseline}
.ro-row:last-child{border-bottom:none}
@media(max-width:560px){.ro-row{grid-template-columns:1fr;gap:3px}}
.ro-k{font-family:var(--mono);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);font-weight:700}
.ro-v{font-weight:650;font-size:1rem;font-variant-numeric:tabular-nums}
.ro-v small{display:block;color:var(--muted);font-size:.82rem;font-weight:500;margin-top:2px;letter-spacing:0}
.ro-foot{padding:24px;border-top:1px solid var(--line);background:var(--panel-2)}
.ro-foot > p:first-child{color:var(--ink-soft);font-size:.92rem}
.ro-foot .cond{margin-top:18px}
.ro-foot .locate{background:var(--panel);max-width:490px}
.samples{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;align-items:center;margin-top:22px}
.samples .lbl{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.chip{font-family:var(--mono);font-size:.84rem;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:7px 15px;cursor:pointer;color:var(--ink-soft);font-weight:600;transition:border-color .14s,color .14s}
.chip:hover{border-color:var(--brand);color:var(--brand-ink)}
/* bảng độ tin cậy từng trường */
.tblwrap{max-width:900px;margin:0 auto;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.tblwrap table{border-collapse:collapse;width:100%;min-width:660px}
.tblwrap th,.tblwrap td{text-align:start;padding:16px 20px;border-bottom:1px solid var(--line);vertical-align:top}
.tblwrap thead th{font-family:var(--mono);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);font-weight:700;background:var(--panel-2)}
.tblwrap tbody tr:last-child td{border-bottom:none}
.tblwrap td:first-child{font-weight:750;white-space:nowrap}
.tblwrap td p{color:var(--ink-soft);font-size:.94rem}
.verdict{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;padding:5px 10px;border-radius:8px;white-space:nowrap;display:inline-block}
.verdict.y{background:color-mix(in srgb,var(--mint) 16%,transparent);color:var(--mint-ink)}
.verdict.p{background:var(--brand-wash);color:var(--brand-ink)}
.verdict.n{background:var(--warn-bg);color:var(--warn)}
/* ba thẻ "phần khó nghe" */
.rcards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);max-width:1060px;margin:0 auto}
@media(max-width:900px){.rcards{grid-template-columns:1fr}}
.rcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px}
.rcard h3{font-size:1.12rem;margin-bottom:10px;letter-spacing:-.015em}
.rcard p{color:var(--ink-soft);font-size:.95rem}
.rcard p + p{margin-top:11px}
.rcard .tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);font-weight:700;display:block;margin-bottom:14px}
.rcard.own{border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}
.rcard.own .tag{color:var(--brand-ink)}
/* luồng consent — đánh số vì đây là trình tự thật */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);max-width:1060px;margin:0 auto}
@media(max-width:900px){.flow{grid-template-columns:1fr}}
.fstep{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px}
.fstep .n{font-family:var(--mono);font-size:.74rem;font-weight:700;color:var(--brand-ink);letter-spacing:.12em}
.fstep h3{font-size:1.1rem;margin:12px 0 8px;letter-spacing:-.015em}
.fstep p{color:var(--ink-soft);font-size:.94rem}
.aside{max-width:1060px;margin:26px auto 0;background:var(--panel);border:1px solid var(--line);border-inline-start:3px solid var(--warn);border-radius:var(--radius-sm);padding:20px 24px}
.aside b{color:var(--warn)}
.aside p{color:var(--ink-soft);font-size:.95rem}

/* ── /verify-caller — trang cảnh báo cuộc gọi lạ ── */
.facts{display:grid;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;max-width:880px;margin:0 auto}
.fact{display:grid;grid-template-columns:110px 1fr;gap:20px;background:var(--panel);padding:21px 26px;align-items:start}
@media(max-width:640px){.fact{grid-template-columns:1fr;gap:8px}}
.fact .verdict2{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;font-weight:800;padding:4px 0}
.fact.y .verdict2{color:var(--mint-ink)}
.fact.m .verdict2{color:var(--warn)}
.fact.n .verdict2{color:var(--muted)}
.fact h3{font-size:1.04rem;margin-bottom:4px}
.fact p{color:var(--ink-soft);font-size:.95rem}
.fact.n{background:repeating-linear-gradient(135deg,var(--panel),var(--panel) 10px,var(--panel-2) 10px,var(--panel-2) 20px)}
.traps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
@media(max-width:860px){.traps{grid-template-columns:1fr}}
.trap{background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--warn);border-radius:0 0 var(--radius-sm) var(--radius-sm);padding:22px}
.trap h3{font-size:1rem;margin-bottom:7px}
.trap p{font-size:.93rem;color:var(--ink-soft)}
.pats{display:grid;gap:12px;max-width:880px;margin:0 auto}
.pat{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:21px 26px}
@media(max-width:760px){.pat{grid-template-columns:1fr;gap:10px}}
.pat .tick{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--warn);font-weight:700;max-width:15ch}
.pat h3{font-size:1.02rem;margin-bottom:3px}
.pat p{color:var(--muted);font-size:.93rem}
.pat .act{font-size:.9rem;color:var(--ink-soft);max-width:26ch;border-inline-start:2px solid var(--warn);padding-inline-start:14px}
.pat .act b{color:var(--ink)}
.dodont{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);max-width:880px;margin:0 auto}
@media(max-width:820px){.dodont{grid-template-columns:1fr}}
.dd{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--panel)}
.dd .hd{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800;margin-bottom:16px}
.dd.yes .hd{color:var(--mint-ink)}
.dd.no .hd{color:var(--warn)}
.dd ul{list-style:none;display:grid;gap:14px;padding:0}
.dd li{display:grid;grid-template-columns:auto 1fr;gap:11px;font-size:.94rem;color:var(--ink-soft)}
.dd .b{font-weight:800;line-height:1.4}
.dd.yes .b{color:var(--mint-ink)}
.dd.no .b{color:var(--warn)}
.dd li b{color:var(--ink)}

/* ══════════ EPIC 2E — ô nhập số có validate + overlay dò tìm (assets/phone-form.js) ══════════
   .nlf-* = picker + trạng thái trong form .locate / .reader (mockup 6c8e992b, duyệt 2026-08-29)
   .pfo*  = overlay: map Leaflet (tile OSM tự host) + card + Continue (mockup 3fab4b99, duyệt 2026-08-30)
   100% màu từ token :root; --map-tint là filter (không phải màu). leaflet.css là file vendor riêng. */
.nlf{position:relative;transition:border-color .16s,box-shadow .16s}
.nlf:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-wash)}
.nlf.is-bad{border-color:var(--warn)}
.nlf.is-ok{border-color:var(--mint)}
.nlf-cc{display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:700;color:var(--ink);background:none;border:0;padding:0 13px 0 8px;margin-inline-end:8px;cursor:pointer;border-inline-end:1px solid var(--line);white-space:nowrap;transition:color .15s}
.nlf-cc:hover:not(:disabled){color:var(--brand-ink)}
.nlf-cc:disabled{cursor:default}
.nlf-cc:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.nlf-cc .dial{font-family:var(--mono);font-size:.97rem;font-variant-numeric:tabular-nums}
.nlf-cc .chev{width:13px;height:13px;color:var(--muted);transition:transform .18s;flex:0 0 auto}
.nlf-cc[aria-expanded="true"] .chev{transform:rotate(180deg)}
.nlf-flag{display:inline-flex;width:21px;height:15px;border-radius:2.5px;flex:0 0 auto;overflow:hidden;background:var(--line);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--ink) 16%,transparent);align-items:center;justify-content:center}
.nlf-flag img{display:block;width:100%;height:100%;object-fit:cover}
.nlf-flag.iso{font-family:var(--mono);font-size:.58rem;font-weight:700;color:var(--muted);background:var(--panel)}
.nlf input[type="tel"]{font-family:var(--mono);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.nlf input[type="tel"]::placeholder{font-family:var(--sans);letter-spacing:0}
.nlf-note{margin:10px 0 0;font-size:.84rem;min-height:1.4em;color:var(--muted)}
.nlf-note.bad{color:var(--warn)}
.nlf-note.ok{color:var(--mint-ink);font-family:var(--mono);font-size:.8rem;font-variant-numeric:tabular-nums}
.nlf-note:empty{margin:0;min-height:0}
.nlf-menu{position:absolute;z-index:30;top:calc(100% + 8px);inset-inline-start:0;width:min(370px,100%);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);overflow:hidden;text-align:start}
.nlf-search{display:flex;align-items:center;gap:9px;padding:11px 14px;border-bottom:1px solid var(--line);background:var(--panel-2)}
.nlf-search input{flex:1;min-width:0;background:none;border:0;outline:none;font:inherit;font-size:.92rem;color:var(--ink)}
.nlf-list{max-height:268px;overflow-y:auto;padding:6px}
.nlf-opt{display:flex;width:100%;align-items:center;gap:10px;padding:9px 11px;border:0;border-radius:9px;background:none;font:inherit;font-size:.9rem;color:var(--ink);text-align:start;cursor:pointer}
.nlf-opt:hover,.nlf-opt.on{background:var(--brand-wash)}
.nlf-opt:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.nlf-opt .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nlf-opt .dl{font-family:var(--mono);font-size:.84rem;color:var(--muted);font-variant-numeric:tabular-nums}
.nlf-empty{padding:16px 14px;color:var(--muted);font-size:.88rem}

.pfo{position:fixed;inset:0;z-index:100;background:color-mix(in srgb,var(--ground) 94%,transparent);display:none;align-items:center;justify-content:center;padding:18px}
.pfo.open{display:flex}
.pfo__inner{width:min(560px,100%);max-height:100%;overflow-y:auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);animation:pfo-in .34s cubic-bezier(.2,.8,.2,1)}
@keyframes pfo-in{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
.pfo__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 16px 12px 20px;border-bottom:1px solid var(--line)}
.pfo__brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-weight:600;font-size:.95rem;letter-spacing:-.01em}
.pfo__dot{width:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));flex:0 0 auto;box-shadow:0 8px 18px -10px var(--brand)}
.pfo__x{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:var(--panel-2);color:var(--ink);font:inherit;font-size:1.1rem;cursor:pointer;display:grid;place-items:center}
.pfo__x:hover{border-color:var(--brand)}
.pfo__x:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.pfo__map{position:relative;height:clamp(220px,38vh,300px);overflow:hidden;background:var(--panel-2);border-bottom:1px solid var(--line)}
.pfo__lmap{position:absolute;inset:0;background:var(--panel-2);z-index:1}
.pfo__lmap.leaflet-container{background:var(--panel-2)} /* vendor leaflet.css nạp sau đè bg xám sáng — dark mode lộ chỗ tile chưa phủ */
.pfo__lmap.off{display:none}
.pfo__lmap .leaflet-tile-pane{filter:var(--map-tint)}
.pfo__lmap .leaflet-tile{border:0}
.pfo__grid{position:absolute;inset:0;z-index:500;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(5,1fr);pointer-events:none}
.pfo__grid i{background:var(--panel-2);border:1px solid var(--panel);opacity:1;transition:opacity .9s ease}
.pfo.go .pfo__grid i{opacity:0}
.pfo__pin{position:absolute;z-index:600;left:50%;top:50%;width:14px;height:14px;margin:-7px 0 0 -7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px var(--panel),0 6px 14px -4px var(--brand);opacity:0;transform:scale(.4);transition:opacity .4s,transform .4s cubic-bezier(.2,.9,.3,1.4)}
.pfo__pin::before{content:"";position:absolute;inset:-14px;border-radius:50%;border:2px solid var(--brand);opacity:0;animation:pfo-pulse 1.8s ease-out infinite}
.pfo__pin.on{opacity:1;transform:scale(1)}
@keyframes pfo-pulse{0%{transform:scale(.35);opacity:.9}100%{transform:scale(1.25);opacity:0}}
.pfo__status{position:absolute;z-index:700;left:12px;bottom:12px;right:12px;display:flex;align-items:center;gap:9px;font-size:.8rem;font-weight:600;color:var(--ink);background:color-mix(in srgb,var(--panel) 88%,transparent);border:1px solid var(--line);border-radius:10px;padding:7px 11px}
.pfo__live{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:0 0 auto;animation:pfo-blink 1s infinite}
.pfo__status.done .pfo__live{background:var(--mint);animation:none}
@keyframes pfo-blink{50%{opacity:.25}}
.pfo__st{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pfo__e164{color:var(--muted);font-weight:500;margin-inline-start:auto;font-family:var(--mono);font-size:.72rem;flex:0 0 auto}
.pfo__credit{position:absolute;z-index:700;right:6px;top:4px;font-size:.55rem;color:var(--muted);letter-spacing:.03em;opacity:.5} /* ODbL bắt buộc hiện — chỉ được làm kín đáo, đừng ẩn hẳn */
.pfo__credit a{color:inherit;text-decoration:underline;text-underline-offset:1px} /* hướng dẫn attribution của OSM đòi link về trang copyright */
.pfo__card{padding:16px 22px 6px}
.pfo__num{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.pfo__num .lbl{font-size:.7rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.pfo__num .num{font-family:var(--mono);font-size:1.16rem;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.pfo__row{display:flex;align-items:baseline;gap:8px;padding:9px 0;font-size:.89rem;opacity:0;transform:translateY(6px);transition:opacity .45s,transform .45s}
.pfo__row.show{opacity:1;transform:none}
.pfo__row .k{color:var(--muted);flex:0 0 auto}
.pfo__row .lead{flex:1;border-bottom:1px dotted var(--line);min-width:14px;transform:translateY(-3px)}
.pfo__row .v{font-family:var(--mono);font-size:.86rem;text-align:end;font-variant-numeric:tabular-nums}
.pfo__row .v.hid{filter:blur(4.2px);user-select:none;color:var(--muted)}
.pfo__row.tease .k{color:var(--warn)}
.pfo__row.wait .v{color:var(--mint-ink);font-family:var(--sans);font-weight:600}
.pfo__foot{padding:14px 22px 20px;border-top:1px solid var(--line);background:var(--panel-2)}
.pfo__foot .btn{width:100%;position:relative;overflow:hidden}
.pfo__cont .fill{position:absolute;inset:0;width:0;background:color-mix(in srgb,var(--on-brand) 22%,transparent);pointer-events:none}
.pfo__cont.filling .fill{animation:pfo-fill 10s linear forwards}
@keyframes pfo-fill{to{width:100%}}
.pfo__cont .tx{position:relative}
.pfo__hint{margin:11px 0 0;font-size:.78rem;color:var(--muted);text-align:center}
@media(max-width:620px){
  .pfo{padding:0}
  .pfo__inner{width:100%;max-height:100%;border-radius:0;border:0}
  .pfo__card{padding:14px 16px 4px}
  .pfo__foot{padding:12px 16px 16px}
}
@media(max-width:380px){.pfo__row{font-size:.82rem;padding:7px 0}}
@media(prefers-reduced-motion:reduce){
  .pfo__inner,.pfo__pin::before,.pfo__live,.pfo__cont.filling .fill{animation:none}
  .pfo__grid{display:none}
  .pfo__row{transition:none}
  .pfo__cont.filling .fill{width:100%}
}

/* tint tile OSM trong overlay (guide §9.1) — filter, không phải màu; áp ở .leaflet-tile-pane. Sáng: tím như numlocation · tối: đảo màu tile */
:root{--map-tint:grayscale(.85) saturate(1.1) hue-rotate(215deg) brightness(1.06)}
@media(prefers-color-scheme:dark){:root{--map-tint:invert(1) hue-rotate(195deg) grayscale(.55) brightness(.82) contrast(.92)}}