@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/be-vietnam-pro-vietnamese-400-normal.woff2) format('woff2');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';font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-ext-400-normal.woff2) format('woff2');unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-400-normal.woff2) format('woff2');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+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:500;font-display:swap;src:url(assets/fonts/be-vietnam-pro-vietnamese-500-normal.woff2) format('woff2');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';font-style:normal;font-weight:500;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-ext-500-normal.woff2) format('woff2');unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:500;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-500-normal.woff2) format('woff2');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+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:600;font-display:swap;src:url(assets/fonts/be-vietnam-pro-vietnamese-600-normal.woff2) format('woff2');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';font-style:normal;font-weight:600;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-ext-600-normal.woff2) format('woff2');unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:600;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-600-normal.woff2) format('woff2');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+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:700;font-display:swap;src:url(assets/fonts/be-vietnam-pro-vietnamese-700-normal.woff2) format('woff2');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';font-style:normal;font-weight:700;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-ext-700-normal.woff2) format('woff2');unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:700;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-700-normal.woff2) format('woff2');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+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:800;font-display:swap;src:url(assets/fonts/be-vietnam-pro-vietnamese-800-normal.woff2) format('woff2');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';font-style:normal;font-weight:800;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-ext-800-normal.woff2) format('woff2');unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:800;font-display:swap;src:url(assets/fonts/be-vietnam-pro-latin-800-normal.woff2) format('woff2');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+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/* Visa Định Cư Hoa Kỳ — giao diện 2026-10
   Bố cục: header → giới thiệu (tiêu đề + 3 cam kết) → 3 thẻ công cụ → form + ô kết quả xanh nhạt → lưu ý → liên hệ → footer */
:root{
 --bg:#F4F7FA;--surface:#FFFFFF;--surface-2:#EEF2F6;--line:#E1E7ED;--line-strong:#CCD6E0;
 --ink:#173649;--ink-2:#384C5D;--muted:#56656F;--title-2:#4C7591;
 --btn:#2F5D82;--btn-hover:#264E6E;--on-btn:#FFFFFF;
 --accent:#A8322D;--gold:#B98A2F;
 --res-bg:#EAF2F9;--res-line:#CCDDEB;--res-track:#D3E2EE;--res-chip:#FFFFFF;--res-muted:#4D6072;
 --ok:#1C7049;--ok-bg:#E3F3EB;--warn:#8C5A00;--warn-bg:#FBF0DC;--bad:#A9362F;--bad-bg:#FBE7E5;
 --hatch-a:rgba(47,93,130,.42);--hatch-b:rgba(47,93,130,.14);
 --zalo:#0068FF;--focus:rgba(47,93,130,.35);
 --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
 color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;line-height:1.25;text-wrap:balance}
p{margin:0}
a{color:var(--btn);text-underline-offset:3px}
a:hover{color:var(--accent)}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
button,input,select,textarea{font:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:20px;min-height:76px;padding-block:8px}
.brand-logo{flex:0 0 auto;display:block}
.brand-logo img{display:block;width:200px;height:auto;mix-blend-mode:multiply}
.main-nav{display:flex;gap:2px;margin-left:8px}
.main-nav a{padding:10px 12px;border-radius:8px;font-size:15px;font-weight:500;color:var(--ink);text-decoration:none}
.main-nav a:hover{background:var(--surface-2);color:var(--ink)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.language-picker{display:flex;background:var(--surface-2);border-radius:999px;padding:3px}
.lang-button{border:0;background:transparent;color:var(--muted);font-size:13px;font-weight:600;padding:0 13px;min-height:36px;border-radius:999px}
.lang-button[aria-pressed=true]{background:var(--surface);color:var(--ink);font-weight:700;box-shadow:0 1px 2px rgba(23,54,73,.15)}
.header-phone{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;font-size:15px;padding:8px 4px;white-space:nowrap}
.header-phone svg{color:var(--accent)}
.btn-zalo{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--zalo);color:#fff;text-decoration:none;font-weight:700;font-size:15px;padding:0 18px;min-height:44px;border-radius:10px;white-space:nowrap}
.btn-zalo:hover{color:#fff;filter:brightness(1.08)}

/* ---------- giới thiệu ---------- */
.intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:20px 48px;align-items:center;padding-block:36px 24px}
.intro h1{font-size:clamp(28px,3.6vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.15}
.h1-line{display:block}
.h1-line.accent{color:var(--title-2)}
.lead{margin-top:10px;font-size:17px;color:var(--muted);max-width:60ch}
.trust{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.trust li{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:11px 16px;font-size:15px;font-weight:500}
.trust-ic{flex:none;width:32px;height:32px;border-radius:8px;background:var(--res-bg);color:var(--btn);display:grid;place-items:center}

/* ---------- thẻ công cụ ---------- */
.tool-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:22px;scroll-margin-top:90px}
.tool-tabs [role=tab]{display:flex;align-items:center;gap:16px;min-height:86px;padding:16px 20px;border-radius:16px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-align:left;transition:border-color .15s,box-shadow .15s}
.tool-tabs [role=tab]:hover{border-color:var(--line-strong)}
.tab-ic{flex:none;width:44px;height:44px;border-radius:12px;background:var(--surface-2);display:grid;place-items:center}
.tab-text{display:flex;flex-direction:column;min-width:0}
.tab-text b{font-size:17px}
.tab-text small{font-size:14px;color:var(--muted);line-height:1.45;margin-top:2px}
.tool-tabs [aria-selected=true]{background:var(--btn);border-color:var(--btn);color:var(--on-btn);box-shadow:0 8px 20px rgba(47,93,130,.22)}
.tool-tabs [aria-selected=true] .tab-ic{background:rgba(255,255,255,.15)}
.tool-tabs [aria-selected=true] small{color:rgba(255,255,255,.82)}
[role=tabpanel]{scroll-margin-top:90px}

/* ---------- thẻ & form ---------- */
.workspace{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;align-items:start}
.workspace>*{min-width:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.card h2{font-size:20px;font-weight:700}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
fieldset{border:0;margin:20px 0 0;padding:0;min-width:0}
legend{display:flex;align-items:center;gap:10px;padding:0;margin-bottom:2px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
legend .n{width:24px;height:24px;border-radius:999px;background:var(--btn);color:var(--on-btn);display:grid;place-items:center;font-size:12px;letter-spacing:0}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}
.grid>*{min-width:0}
label{display:block;font-size:14px;font-weight:600;margin:16px 0 7px}
input,select{width:100%;min-width:0;min-height:48px;padding:10px 14px;border:1px solid var(--line-strong);border-radius:10px;background:var(--surface);color:var(--ink);font-size:16px;font-variant-numeric:tabular-nums}
input:focus,select:focus{outline:none;border-color:var(--btn);box-shadow:0 0 0 3px var(--focus)}
input::placeholder{color:var(--muted);opacity:.8}
select{appearance:none;-webkit-appearance:none;padding-right:40px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2356656F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;cursor:pointer}
.hint{font-size:14px;color:var(--muted);line-height:1.5;margin-top:7px}
.choice{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}
.choice label{display:flex;align-items:center;gap:10px;margin:0;border:1px solid var(--line-strong);background:var(--surface);border-radius:12px;padding:12px 14px;font-weight:600;cursor:pointer;min-height:52px;line-height:1.35}
.choice label:has(input:checked){border:2px solid var(--btn);background:var(--surface-2);padding:11px 13px}
.choice input{flex:none;width:18px;height:18px;min-height:0;margin:0;accent-color:var(--btn)}
.checkline{display:flex;gap:12px;align-items:flex-start;margin-top:22px}
.checkline input{flex:0 0 20px;width:20px;height:20px;min-height:0;margin:2px 0 0;accent-color:var(--btn)}
.checkline label{margin:0;font-weight:400;color:var(--ink-2);font-size:15px}
.form-error{color:var(--bad);font-size:14px;font-weight:600;margin-top:14px}
.form-error:empty{display:none}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.btn-primary{flex:1 1 220px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;background:var(--btn);color:var(--on-btn);font-size:16px;font-weight:700;min-height:52px;padding:0 20px;border-radius:12px}
.btn-primary:hover{background:var(--btn-hover)}
.btn-soft{border:0;background:var(--surface-2);color:var(--ink);font-size:15px;font-weight:600;min-height:52px;padding:0 20px;border-radius:12px}
.btn-soft:hover{background:var(--line)}
.btn-outline{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);font-size:14px;font-weight:600;min-height:40px;padding:0 14px;border-radius:10px}
.btn-outline:hover{background:var(--surface-2)}
details.help{background:var(--surface-2);border-radius:12px;padding:12px 16px;margin-top:14px}
details.help summary{cursor:pointer;font-size:14px;font-weight:600}
details.help ul{margin:8px 0;padding-left:18px;font-size:14px;color:var(--ink-2);display:grid;gap:4px}
details.help a{font-size:14px}
.input-suffix{position:relative}
.input-suffix input{padding-right:58px}
.input-suffix span{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-weight:600;font-size:14px}

/* ---------- ô kết quả ---------- */
.result{position:sticky;top:96px;background:var(--res-bg);border-color:var(--res-line);overflow-wrap:anywhere;scroll-margin-top:96px}
.result-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.result-head h2{font-size:20px}
.result .hint{color:var(--res-muted)}
.age-placeholder{font-size:72px;font-weight:800;line-height:1.1;color:var(--title-2);margin:10px 0 18px;letter-spacing:-.03em}
.age-placeholder span{font-size:17px;font-weight:500;color:var(--res-muted);letter-spacing:0}
.empty h3{font-size:18px;margin-bottom:6px}
.empty p{color:var(--res-muted);font-size:15px}
.formula{border-top:1px solid var(--res-line);margin-top:22px;padding-top:16px;line-height:2;font-size:15px}
.formula span{color:var(--res-muted)}
.formula strong{color:var(--ok)}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.02em;padding:7px 12px;border-radius:999px;background:var(--res-chip);border:1px solid var(--res-line)}
.pill.good{color:var(--ok)}.pill.warn{color:var(--warn)}.pill.bad{color:var(--bad)}
.res-label{font-size:14px;color:var(--res-muted);margin-top:14px}
.age-big{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px;margin:4px 0 2px;font-variant-numeric:tabular-nums}
.age-big>span{white-space:nowrap;font-size:20px;font-weight:600}
.age-big>span:first-child{font-size:56px;font-weight:800;letter-spacing:-.03em;line-height:1.05}
.age-big small{font-size:17px;font-weight:500;letter-spacing:0}
.amount{font-size:clamp(40px,5vw,56px);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-top:2px;font-variant-numeric:tabular-nums}
.amount-unit{font-size:15px;color:var(--res-muted)}
.age-bar{margin:30px 0 4px}
.track{position:relative;height:14px;background:var(--res-track);border-radius:999px}
.fill{position:absolute;left:0;top:0;bottom:0;border-radius:999px;background:var(--ok)}
.fill.bad{background:var(--bad)}.fill.warn{background:var(--warn)}
.minus{position:absolute;top:0;bottom:0;background:repeating-linear-gradient(135deg,var(--hatch-a) 0 4px,var(--hatch-b) 4px 8px);border-radius:0 999px 999px 0}
.mark{position:absolute;top:-22px;bottom:-6px;border-left:2px dashed var(--accent)}
.mark b{position:absolute;top:-6px;left:0;transform:translateX(-50%);background:var(--res-bg);padding:0 4px;font-size:12px;color:var(--accent);white-space:nowrap}
.scale{display:flex;justify-content:space-between;margin-top:6px;font-size:12px;color:var(--res-muted)}
.res-dl{margin:18px 0 0;border-top:1px solid var(--res-line);padding-top:6px}
.res-dl>div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid var(--res-line);font-size:15px}
.res-dl dt{color:var(--res-muted);display:flex;align-items:center;gap:8px;white-space:nowrap}
.res-dl dd{margin:0;font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.res-dl .total dt{color:var(--ink);font-weight:700}
.res-dl .total dd{font-weight:800}
.sw{flex:none;width:12px;height:12px;border-radius:3px}
.sw.hatch{background:repeating-linear-gradient(135deg,var(--hatch-a) 0 3px,var(--hatch-b) 3px 6px)}
.milestone{background:var(--res-chip);border:1px solid var(--res-line);border-radius:14px;padding:16px;margin-top:18px}
.milestone .ms-label{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--res-muted)}
.milestone strong{display:block;font-size:28px;font-weight:800;letter-spacing:-.01em;margin:2px 0 4px;font-variant-numeric:tabular-nums}
.milestone p{font-size:14px;color:var(--ink-2);margin-top:4px}
.notice{border-left:3px solid var(--gold);background:rgba(255,255,255,.55);border-radius:0 10px 10px 0;padding:10px 14px;margin-top:16px;font-size:14px;color:var(--ink-2)}
.notice strong{color:var(--ink)}
.result .plain{font-size:14px;color:var(--ink-2);margin-top:12px}
.warn-list{margin:14px 0 0;padding-left:20px;font-size:14px;color:var(--ink-2);display:grid;gap:6px}
.tips{margin-top:18px;border-top:1px solid var(--res-line);padding-top:14px}
.tips h3{font-size:15px;margin-bottom:6px}
.tips p{font-size:14px;color:var(--ink-2)}
.result-foot{border-top:1px solid var(--res-line);margin-top:16px;padding-top:10px}
.result-foot .hint{margin-top:6px;font-size:13px}
.stale:empty{display:none}
.stale{color:var(--warn)!important;font-weight:600}

/* ---------- lịch visa ---------- */
.vb-summary{font-size:15px;color:var(--res-muted);margin-bottom:12px}
.vb-summary b{color:var(--ink)}
.vb-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:12px;margin-bottom:16px}
.vb-card{background:var(--res-chip);border:1px solid var(--res-line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:6px;min-width:0}
.vb-card h3{font-size:14px;color:var(--res-muted);font-weight:700}
.vb-date{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums}
.vb-st{display:flex;align-items:flex-start;gap:6px;font-size:15px;font-weight:700;line-height:1.4}
.vb-st svg{flex:none;margin-top:3px}
.vb-st.ok{color:var(--ok)}.vb-st.no{color:var(--warn)}
.vb-note{font-size:13px;color:var(--res-muted);line-height:1.5}
.table-scroll{overflow-x:auto;background:var(--surface);border:1px solid var(--res-line);border-radius:14px}
.vb-table{border-collapse:collapse;width:100%;font-size:14px}
.vb-table th,.vb-table td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.vb-table thead th{font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);background:var(--surface-2)}
.vb-table tbody tr:last-child>*{border-bottom:0}
.vb-table tbody th{font-weight:500}
.vb-table td{white-space:nowrap;font-variant-numeric:tabular-nums}
.vb-table tr.hl>*{background:var(--ok-bg)}
.vb-table tr.hl th{box-shadow:inset 4px 0 0 var(--ok);font-weight:700}
.chip-c{display:inline-block;font-size:12px;font-weight:700;color:var(--ok);background:var(--ok-bg);padding:2px 8px;border-radius:999px}
.chip-u{display:inline-block;font-size:12px;font-weight:700;color:var(--bad);background:var(--bad-bg);padding:2px 8px;border-radius:999px}

/* ---------- lưu ý ---------- */
.notes{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:40px;padding-block:48px 8px}
.notes-lead h2{font-size:26px;font-weight:800;letter-spacing:-.02em}
.h2-line{display:inline}
.notes-lead>p:last-child{margin-top:12px;color:var(--ink-2);max-width:52ch}
.accordion{display:flex;flex-direction:column;gap:10px}
.accordion details{background:var(--surface);border:1px solid var(--line);border-radius:14px}
.accordion summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 18px;font-weight:600;min-height:56px}
.accordion summary::-webkit-details-marker{display:none}
.pm{flex:none;position:relative;width:30px;height:30px;border-radius:999px;background:var(--surface-2);transition:transform .2s}
.pm:before,.pm:after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:var(--ink);transform:translate(-50%,-50%)}
.pm:after{transform:translate(-50%,-50%) rotate(90deg)}
.accordion details[open] .pm{transform:rotate(45deg)}
.acc-body{padding:0 18px 18px;font-size:15px;color:var(--ink-2);display:grid;gap:10px}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips a{display:inline-block;font-size:13px;font-weight:600;text-decoration:none;border:1px solid var(--line-strong);background:var(--surface);padding:7px 12px;border-radius:999px;color:var(--ink)}
.chips a:hover{border-color:var(--ink)}
.notes-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 18px;padding-block:20px 0}
.notes-row .hint{margin:0}

/* ---------- liên hệ & footer ---------- */
.contact-box{margin:44px 0 48px;background:var(--res-bg);border:1px solid var(--res-line);border-radius:22px;padding:30px;display:flex;justify-content:space-between;align-items:center;gap:20px 28px;flex-wrap:wrap}
.contact-box h2{font-size:22px;font-weight:800;letter-spacing:-.01em}
.contact-box p{margin-top:6px;color:var(--res-muted);max-width:58ch}
.contact-actions{display:flex;gap:10px;flex-wrap:wrap}
.contact-actions .btn-zalo{min-height:50px;padding:0 22px;font-size:16px}
.phone-pill{display:inline-flex;align-items:center;min-height:50px;padding:0 18px;border-radius:12px;background:var(--surface);border:1px solid var(--res-line);color:var(--ink);font-weight:700;text-decoration:none;font-variant-numeric:tabular-nums}
.site-footer{background:var(--surface);border-top:1px solid var(--line)}
.footer-row{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px 24px;padding-block:26px;font-size:14px}
.footer-brand{display:flex;flex-direction:column;gap:4px}
.footer-brand .brand{font-size:17px;font-weight:700;color:var(--ink);text-decoration:none}
.footer-brand span,.footer-row small{color:var(--muted);font-size:14px}
.mobile-bar{display:none}

/* ---------- màn hình nhỏ ---------- */
@media (max-width:1020px){.main-nav{display:none}}
@media (max-width:900px){
 .intro{grid-template-columns:1fr;padding-block:26px 18px}
 .workspace{grid-template-columns:1fr}
 .result{position:static}
 .notes{grid-template-columns:1fr;gap:20px;padding-top:36px}
}
@media (max-width:720px){
 .header-phone{display:none}
 .tool-tabs{gap:8px}
 .tool-tabs [role=tab]{flex-direction:column;justify-content:center;gap:6px;min-height:76px;padding:10px 6px;text-align:center}
 .tab-ic{width:34px;height:34px;border-radius:10px}
 .tab-text b{font-size:14px;line-height:1.3}
 .tab-text small{display:none}
}
@media (max-width:600px){
 .wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
 .header-row{min-height:64px;gap:10px}
 .brand-logo img{width:150px}
 .header-zalo{display:none}
 .card{padding:20px 16px;border-radius:16px}
 .grid{grid-template-columns:1fr}
 .choice{grid-template-columns:1fr}
 .trust li{font-size:14px;padding:9px 12px}
 .age-placeholder{font-size:56px}
 .age-big>span:first-child{font-size:46px}
 .contact-box{padding:22px 18px;margin:32px 0}
 .contact-actions{width:100%}.contact-actions>*{flex:1 1 auto;justify-content:center}
 .mobile-bar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(23,54,73,.08);padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
 .mobile-call{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;border-radius:12px;border:1px solid var(--line-strong);color:var(--ink);font-weight:700;text-decoration:none}
 .mobile-call svg{color:var(--accent)}
 .mobile-bar .btn-zalo{min-height:48px}
 body{padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}
 .vb-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
 .vb-table,.vb-table tbody,.vb-table tr,.vb-table th,.vb-table td{display:block;width:100%}
 .vb-table tr{border-bottom:1px solid var(--line);padding:6px 12px}
 .vb-table tbody tr:last-child{border-bottom:0}
 .vb-table th,.vb-table td{border:0;padding:6px 0}
 .vb-table td{display:flex;justify-content:space-between;gap:12px;white-space:normal}
 .vb-table td:before{content:attr(data-label);color:var(--muted)}
 .vb-table tr.hl{background:var(--ok-bg);box-shadow:inset 4px 0 0 var(--ok)}
 .vb-table tr.hl th{box-shadow:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.site-header,.form-card,.intro,.tool-tabs,.notes,.contact-box,.site-footer,.mobile-bar{display:none}.workspace{display:block}.result{position:static;background:#fff}}
.bulletin .notes,#financial-support .notes{padding-top:40px}
.support-sources{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px}
.support-sources .hint{margin:0}
.notes{scroll-margin-top:90px}
/* icon lịch trong ô ngày + căn thẳng hàng nhãn / ô / ghi chú giữa hai cột */
input[placeholder="dd/mm/yyyy"]{padding-right:44px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2356656F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2'/%3E%3Cpath d='M16 2v4M8 2v4M3 10h18'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
@media (min-width:601px){
 .grid>div{display:contents}
 .grid>div>label{grid-row:1;align-self:end}
 .grid>div>input,.grid>div>select{grid-row:2}
 .grid>div>.hint{grid-row:3}
}
@media (min-width:601px){.half{max-width:calc(50% - 8px)}}
/* ô kết quả CSPA theo demo */
.result .tag{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--res-muted);background:var(--res-chip);border:1px solid var(--res-line);padding:5px 12px;border-radius:999px}
.age-big{align-items:baseline;gap:4px 12px;margin:2px 0 12px}
.age-big small{font-size:22px;font-weight:600;color:var(--ink)}
.age-big .rest{font-size:22px;font-weight:600;color:var(--ink-2)}
.pill svg{flex:none}
.result .pill{font-size:15px;letter-spacing:0;padding:9px 16px}
.res-dl dd{color:var(--ink)}
.checks{border-top:1px solid var(--res-line);margin:18px -28px -28px;padding:20px 28px 24px;background:rgba(255,255,255,.35);border-radius:0 0 20px 20px}
.checks h3{font-size:17px;margin-bottom:10px}
.checks ul{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:10px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.5;color:var(--ink)}
.checks li>svg{flex:none;margin-top:2px}
.checks li.ok>svg{color:var(--ok)}.checks li.bad>svg{color:var(--bad)}.checks li.warn>svg{color:var(--warn)}.checks li.info>svg{color:var(--title-2)}
.checks a{font-weight:600;color:var(--ink)}
@media (max-width:600px){.checks{margin:18px -16px -20px;padding:18px 16px 20px;border-radius:0 0 16px 16px}.age-big small,.age-big .rest{font-size:18px}}