/* ==== FLEET THEME STANDARD — sizing tokens (from WordPress Design & Development Core)
   docs/elementor-pro/13-global-layout-foundation.md · 15-global-content-spacing-policy.md ·
   docs/quy-chuan-layout-va-tuong-tac.md. Paste this block verbatim at the top of the theme CSS.
   Change only colours/fonts/radius below the block, never the sizing values. ==== */
:root{
  /* Content width = OUTER container max-width (padding sits inside it) */
  --container-max:1440px;
  --container-pad:clamp(48px,5vw,96px);
  /* Section Spacing (band padding-block) */
  --section-y:120px; --section-y-compact:80px;
  /* Content Spacing (gap of content stacks) — sm <= md <= lg */
  --content-gap-sm:12px; --content-gap-md:24px; --content-gap-lg:48px;
  /* Grid / card collection gap */
  --grid-gap:32px;
  /* Component padding (inside cards/surfaces) */
  --card-pad:32px;
  /* Interaction */
  --touch:44px;
}
/* Laptop 1025–1366 */
@media (max-width:1366px){:root{--container-max:1366px;--container-pad:clamp(40px,4.5vw,72px);--section-y:104px;--section-y-compact:72px;--content-gap-md:20px;--content-gap-lg:40px;--grid-gap:28px;--card-pad:28px}}
/* Tablet 769–1024 */
@media (max-width:1024px){:root{--container-max:1024px;--container-pad:clamp(24px,4vw,48px);--section-y:80px;--section-y-compact:64px;--content-gap-sm:10px;--content-gap-md:20px;--content-gap-lg:32px;--grid-gap:24px;--card-pad:24px}}
/* Mobile <=768 */
@media (max-width:768px){:root{--container-max:768px;--container-pad:clamp(16px,5vw,24px);--section-y:64px;--section-y-compact:48px;--content-gap-sm:8px;--content-gap-md:16px;--content-gap-lg:28px;--grid-gap:16px;--card-pad:20px}}

/* Band -> Inner. Header, main and footer inners all use .container */
.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-pad);box-sizing:border-box}
.band{padding-block:var(--section-y)}
.band.compact{padding-block:var(--section-y-compact)}
/* Content stacks: sibling spacing ONLY via parent gap */
.stack{display:flex;flex-direction:column;gap:var(--content-gap-md)}
.stack-sm{display:flex;flex-direction:column;gap:var(--content-gap-sm)}
.stack-lg{display:flex;flex-direction:column;gap:var(--content-gap-lg)}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
/* Reset default UA margins so nothing spaces siblings by accident */
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote,dl,dd{margin:0}
/* Prose exception (rich text inside ONE article body) */
.prose p,.prose ul,.prose ol,.prose blockquote,.prose figure{margin-block:0 1em}
.prose h2,.prose h3{margin-block:1.6em .5em}
[hidden]{display:none!important}
/* Accessibility baseline */
:focus-visible{outline:3px solid currentColor;outline-offset:3px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
/* ==== END FLEET THEME STANDARD ==== */

/* ==== SENTINEL theme — colours, type, components ==== */
:root{
  --bg:#05080B; --bg-2:#0A1015; --panel:#0E161C; --panel-2:#121D25; --line:#1D2B35; --line-2:#29404D;
  --text:#D5E1E7; --muted:#8FA3AE; --dim:#6A808C;
  --teal:#2EE6C5; --teal-d:#17B59B; --teal-glow:rgba(46,230,197,.18); --amber:#F4B942; --red:#FF6B78;
  --display:"Chakra Petch",system-ui,sans-serif; --sans:"IBM Plex Sans",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,monospace;
  --r:4px; --r-lg:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font:400 16.5px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:300;background:repeating-linear-gradient(0deg,rgba(255,255,255,.018) 0 1px,transparent 1px 3px)}
main{overflow-x:clip;display:block}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
::selection{background:var(--teal);color:var(--bg)}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.08;letter-spacing:-.01em;color:#F2F8FA}
h1{font-size:clamp(42px,5.6vw,84px);text-transform:uppercase;letter-spacing:-.015em}
h2{font-size:clamp(32px,3.6vw,54px)}
h3{font-size:clamp(21px,1.7vw,26px)}
h4{font-size:18px}
h1 em,h2 em{font-style:normal;color:var(--teal)}
.lead{font-size:clamp(17px,1.3vw,19.5px);color:var(--muted);max-width:60ch}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
.eyebrow{font:500 12.5px/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--teal);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"//"; color:var(--dim)}
.center{text-align:center;align-items:center}
.center .lead{text-align:center}
.narrow{max-width:64ch}
.bg-2{background:var(--bg-2);border-block:1px solid var(--line)}
.grid-bg{background-color:var(--bg-2);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;background-position:center;border-block:1px solid var(--line)}
.skip{position:absolute;left:12px;top:-60px;z-index:400;background:var(--teal);color:var(--bg);padding:12px 16px;font-weight:600}
.skip:focus{top:12px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:var(--touch);padding:12px 22px;border-radius:var(--r);border:1px solid var(--teal);background:var(--teal);color:#03100D;font:600 15px/1.2 var(--display);letter-spacing:.06em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:background-color .2s,color .2s,box-shadow .2s,border-color .2s}
.btn:hover{background:#6FF3DB;box-shadow:0 0 0 4px var(--teal-glow)}
.btn.ghost{background:transparent;color:var(--teal)}
.btn.ghost:hover{background:var(--teal-glow)}
.btn svg{width:16px;height:16px}
.tlink{white-space:nowrap;color:var(--teal);font:500 14px/1.4 var(--mono);text-decoration:none;display:inline-flex;align-items:center;gap:8px;min-height:var(--touch)}
.tlink:hover{text-decoration:underline;text-underline-offset:4px}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(5,8,11,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;gap:28px;min-height:76px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;font:700 21px/1 var(--display);letter-spacing:.16em;text-decoration:none;color:#F2F8FA;white-space:nowrap;min-height:var(--touch)}
.logo svg{width:28px;height:28px;color:var(--teal)}
.logo .cur{color:var(--teal);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.nav{display:flex;align-items:center;gap:4px}
.nav a{display:inline-flex;align-items:center;min-height:var(--touch);padding:0 12px;font:500 13.5px/1 var(--mono);color:var(--muted);text-decoration:none;border-radius:var(--r);transition:color .2s,background-color .2s}
.nav a:hover{color:var(--text);background:var(--panel)}
.nav a[aria-current=page]{color:var(--teal)}
.nav a[aria-current=page]::before{content:">";margin-inline-end:6px}
.burger{display:none;width:var(--touch);height:var(--touch);align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r);color:var(--text);cursor:pointer}
.burger svg{width:22px;height:22px}
@media (max-width:1366px){.nav a{padding:0 9px;font-size:13px}.site-header .container{gap:18px}}
@media (max-width:1024px){
  .burger{display:inline-flex}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:12px var(--container-pad) 20px;background:var(--bg-2);border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:0 14px;font-size:15px}
}
@media (max-width:480px){.hbtn{display:none}}

/* status ticker under header */
.ticker{background:var(--bg-2);border-bottom:1px solid var(--line);font:500 12.5px/1 var(--mono);color:var(--muted)}
.ticker .container{display:flex;align-items:center;gap:24px;min-height:36px;white-space:nowrap;overflow:hidden}
.ticker b{color:var(--teal);font-weight:500}
.ticker .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal);flex:none;animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35}}
@media (max-width:768px){.ticker .hide-m{display:none}}

/* hero */
.hero{position:relative;background:var(--bg);border-bottom:1px solid var(--line);isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-1}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.22}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--bg) 18%,rgba(5,8,11,.6) 60%,rgba(5,8,11,.85)),linear-gradient(0deg,var(--bg),transparent 40%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--content-gap-lg);align-items:center}
.hero h1 .line{display:block}
@media (max-width:1024px){.hero-grid{grid-template-columns:1fr}}

/* terminal */
.term{background:#071014;border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:0 0 0 1px rgba(46,230,197,.06),0 30px 80px -30px rgba(46,230,197,.25);overflow:hidden;font:400 13.5px/1.75 var(--mono);color:#BFD3DB}
.term-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--panel);border-bottom:1px solid var(--line)}
.term-bar i{width:11px;height:11px;border-radius:50%;background:var(--line-2)}
.term-bar i:first-child{background:var(--red)}
.term-bar i:nth-child(2){background:var(--amber)}
.term-bar i:nth-child(3){background:var(--teal)}
.term-bar span{color:var(--dim);font-size:12px}
.term-body{background:#071014;padding:18px 20px;min-height:330px;display:flex;flex-direction:column;gap:2px}
.term-body p{white-space:pre-wrap;word-break:break-word}
.t-ok{color:var(--teal)}.t-warn{color:var(--amber)}.t-bad{color:var(--red)}.t-dim{color:var(--dim)}.t-cmd{color:#F2F8FA}
.caret{display:inline-block;width:9px;height:1.1em;background:var(--teal);vertical-align:text-bottom;animation:blink 1s steps(1) infinite}
@media (max-width:768px){.term{font-size:12px}.term-body{min-height:280px;padding:14px}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--grid-gap)}
.stat{border-left:2px solid var(--teal);padding:4px 0 4px 18px;display:flex;flex-direction:column;gap:4px;background:linear-gradient(90deg,var(--teal-glow),transparent 70%)}
.stat b{font:600 clamp(30px,3vw,44px)/1 var(--display);color:#F2F8FA}
.stat span{font:400 13px/1.4 var(--mono);color:var(--muted)}
@media (max-width:1024px){.stats{grid-template-columns:repeat(2,1fr)}}

/* logos */
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--grid-gap);align-items:center}
.logos span{font:600 17px/1.2 var(--display);letter-spacing:.12em;color:var(--dim);text-align:center;text-transform:uppercase}
@media (max-width:1024px){.logos{grid-template-columns:repeat(3,1fr)}}
@media (max-width:768px){.logos{grid-template-columns:repeat(2,1fr)}.logos span{font-size:14px}}

/* section head */
.shead{display:flex;flex-direction:column;gap:var(--content-gap-sm);max-width:760px}
.shead.center{margin-inline:auto}
.shead-row{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--content-gap-md);flex-wrap:wrap}

/* cards with corner brackets (signature hover) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gap)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1024px){.cards,.cards.c4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){.cards,.cards.c2,.cards.c4{grid-template-columns:1fr}}
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:var(--card-pad);display:flex;flex-direction:column;gap:var(--content-gap-sm);transition:border-color .25s,background-color .25s}
.card::before,.card::after{content:"";position:absolute;width:18px;height:18px;border:2px solid var(--teal);opacity:0;transition:opacity .25s,inset .25s;pointer-events:none}
.card::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.card::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.card:hover,.card:focus-within{border-color:var(--line-2);background:var(--panel-2)}
.card:hover::before,.card:hover::after,.card:focus-within::before,.card:focus-within::after{opacity:1}
.card .ico{width:44px;height:44px;border:1px solid var(--line-2);border-radius:var(--r);display:grid;place-items:center;color:var(--teal);background:var(--bg)}
.card .ico svg{width:22px;height:22px}
.card .tag{font:500 12px/1.3 var(--mono);color:var(--teal);letter-spacing:.06em}
.card p{color:var(--muted)}
.card .grow{flex:1}
.card ul{padding-left:18px;color:var(--muted);display:flex;flex-direction:column;gap:6px}
.card h3 a{text-decoration:none}
.card h3 a::after{content:"";position:absolute;inset:0}
.card .tlink{position:relative;z-index:1}

/* media cards */
.mcard{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:border-color .25s}
.mcard:hover,.mcard:focus-within{border-color:var(--teal-d)}
.mcard .pic{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.mcard .pic img{width:100%;height:100%;object-fit:cover;filter:saturate(.75) contrast(1.05);transition:transform .5s,filter .5s}
.mcard:hover .pic img{transform:scale(1.04);filter:none}
.mcard .body{background:var(--panel);padding:var(--card-pad);display:flex;flex-direction:column;gap:var(--content-gap-sm);flex:1}
.mcard .body p{color:var(--muted)}
.mcard h3 a{text-decoration:none}
.mcard h3 a::after{content:"";position:absolute;inset:0}
.meta{font:400 12.5px/1.4 var(--mono);color:var(--dim);display:flex;gap:14px;flex-wrap:wrap}
.meta b{color:var(--teal);font-weight:500}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--content-gap-lg);align-items:center}
.split.wide{grid-template-columns:1.2fr .8fr}
.frame{position:relative;border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden;background:var(--bg-2)}
.frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.frame.tall img{aspect-ratio:4/5}
.frame .hud{position:absolute;left:16px;bottom:16px;right:16px;background:rgba(5,8,11,.85);border:1px solid var(--line-2);border-radius:var(--r);padding:12px 14px;font:400 12.5px/1.6 var(--mono);color:var(--text);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.frame .hud b{color:var(--teal);font-weight:500}
@media (max-width:1024px){.split,.split.wide{grid-template-columns:1fr}}

.checks{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.checks li{display:flex;gap:12px;align-items:flex-start;color:var(--text)}
.checks li::before{content:"[+]";font:500 13px/1.75 var(--mono);color:var(--teal);flex:none}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--grid-gap);counter-reset:s}
.step{border-top:1px solid var(--line-2);padding-top:20px;display:flex;flex-direction:column;gap:10px;counter-increment:s}
.step::before{content:"0" counter(s);font:500 13px/1 var(--mono);color:var(--teal)}
.step p{color:var(--muted)}
@media (max-width:1024px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* tiers */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gap);align-items:stretch}
.tier{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:var(--card-pad);display:flex;flex-direction:column;gap:var(--content-gap-md);position:relative}
.tier.hot{border-color:var(--teal);box-shadow:0 0 0 1px var(--teal),0 30px 70px -40px var(--teal)}
.tier .badge{position:absolute;top:-12px;right:20px;background:var(--teal);color:#03100D;font:600 11.5px/1 var(--mono);letter-spacing:.08em;padding:6px 10px;border-radius:2px;text-transform:uppercase}
.tier .price{font:600 clamp(36px,3.4vw,50px)/1 var(--display);color:#F2F8FA;display:flex;align-items:baseline;gap:8px}
.tier .price small{font:400 14px/1 var(--mono);color:var(--muted)}
.tier ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;flex:1}
.tier li{display:flex;gap:10px;color:var(--muted);font-size:15.5px}
.tier li::before{content:"›";color:var(--teal);font-family:var(--mono)}
.tier li.off{color:var(--dim);text-decoration:line-through}
.tier li.off::before{content:"×";color:var(--dim)}
.tier .btn{width:100%}
@media (max-width:1024px){.tiers{grid-template-columns:1fr;max-width:620px;margin-inline:auto}}
.toggle{display:inline-flex;border:1px solid var(--line-2);border-radius:var(--r);padding:4px;gap:4px;background:var(--panel)}
.toggle button{min-height:var(--touch);padding:0 18px;border:0;border-radius:2px;background:transparent;color:var(--muted);font:500 13.5px/1 var(--mono);cursor:pointer;transition:background-color .2s,color .2s}
.toggle button[aria-pressed=true]{background:var(--teal);color:#03100D}
.toggle button:hover{color:var(--text)}
.toggle button[aria-pressed=true]:hover{color:#03100D}

/* table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
thead th{font:500 12.5px/1.3 var(--mono);color:var(--teal);text-transform:uppercase;letter-spacing:.08em;background:var(--panel)}
tbody th{font-weight:500;color:var(--text)}
td{color:var(--muted)}
td.y{color:var(--teal);font-family:var(--mono)}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}

/* quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gap)}
.quote{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:var(--card-pad);display:flex;flex-direction:column;gap:var(--content-gap-md)}
.quote blockquote{font-size:17px;line-height:1.65;color:var(--text)}
.quote blockquote::before{content:"> ";color:var(--teal);font-family:var(--mono)}
.quote cite{font:400 13px/1.5 var(--mono);color:var(--muted);font-style:normal}
.quote cite b{color:#F2F8FA;font-weight:500;display:block}
@media (max-width:1024px){.quotes{grid-template-columns:1fr}}

/* team */
.team{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--grid-gap)}
.member{display:flex;flex-direction:column;gap:12px}
.member .ph{aspect-ratio:4/5;overflow:hidden;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-2)}
.member img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:filter .4s}
.member:hover img{filter:grayscale(0)}
.member .role{font:400 12.5px/1.5 var(--mono);color:var(--teal)}
.member p{color:var(--muted);font-size:14.5px}
@media (max-width:1366px){.team{grid-template-columns:repeat(5,1fr)}}
@media (max-width:1024px){.team{grid-template-columns:repeat(3,1fr)}}
@media (max-width:768px){.team{grid-template-columns:repeat(2,1fr)}}

/* timeline */
.tline{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--grid-gap)}
.tline div{border-top:2px solid var(--teal);padding-top:16px;display:flex;flex-direction:column;gap:8px}
.tline b{font:600 26px/1 var(--display);color:#F2F8FA}
.tline p{color:var(--muted);font-size:15px}
@media (max-width:1024px){.tline{grid-template-columns:repeat(3,1fr)}}
@media (max-width:768px){.tline{grid-template-columns:1fr 1fr}}

/* certs */
.certs{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--grid-gap)}
.certs span{border:1px solid var(--line-2);border-radius:var(--r);padding:16px;text-align:center;font:500 13px/1.3 var(--mono);color:var(--text);background:var(--panel)}
@media (max-width:1024px){.certs{grid-template-columns:repeat(3,1fr)}}
@media (max-width:768px){.certs{grid-template-columns:repeat(2,1fr)}}

/* page hero */
.phero{position:relative;isolation:isolate;border-bottom:1px solid var(--line);background:var(--bg)}
.phero .hero-media img{opacity:.18}
.crumb{font:400 13px/1.4 var(--mono);color:var(--dim);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a{color:var(--muted);text-decoration:none;display:inline-flex;align-items:center;min-height:var(--touch)}
.crumb a:hover{color:var(--teal)}

/* forms */
.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:var(--card-pad);display:flex;flex-direction:column;gap:var(--content-gap-md)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:var(--content-gap-md)}
.fields .full{grid-column:1/-1}
@media (max-width:768px){.fields{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:8px}
.field label,.legend{font:500 12.5px/1.3 var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
input,select,textarea{font:400 15.5px/1.4 var(--sans);color:var(--text);background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r);min-height:var(--touch);padding:10px 14px;width:100%;transition:border-color .2s,box-shadow .2s}
textarea{min-height:130px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-glow)}
input::placeholder,textarea::placeholder{color:var(--dim)}
fieldset{border:0;padding:0;margin:0;min-width:0;display:flex;flex-direction:column;gap:10px}
.chips{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media (max-width:768px){.chips{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.chips{grid-template-columns:1fr}}
.chip{position:relative;display:flex;align-items:center;gap:10px;min-height:var(--touch);padding:10px 14px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg);font:400 14px/1.3 var(--mono);color:var(--muted);cursor:pointer;transition:border-color .2s,color .2s,background-color .2s}
.chip input{position:absolute;inset:0;width:100%;height:100%;margin:0;padding:0;min-height:0;clip-path:inset(50%);cursor:pointer}
.chip::before{content:"[ ]";color:var(--dim);flex:none}
.chip:hover{border-color:var(--teal-d);color:var(--text)}
.chip:has(input:checked){border-color:var(--teal);color:var(--teal);background:rgba(46,230,197,.06)}
.chip:has(input:checked)::before{content:"[x]";color:var(--teal)}
.chip:has(input[type=radio])::before{content:"( )"}
.chip:has(input[type=radio]:checked)::before{content:"(•)"}
.chip:has(input:focus-visible){outline:3px solid var(--teal);outline-offset:2px}
.note{font:400 13px/1.5 var(--mono);color:var(--dim)}
.ok-msg{border:1px solid var(--teal);background:rgba(46,230,197,.07);color:var(--teal);padding:14px 16px;border-radius:var(--r);font:400 14px/1.5 var(--mono)}

/* threat check result */
.tc-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--content-gap-lg);align-items:start}
@media (max-width:1024px){.tc-grid{grid-template-columns:1fr}}
.score{display:grid;grid-template-columns:auto 1fr;gap:var(--content-gap-md);align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:var(--card-pad)}
.gauge{width:120px;height:120px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--gc,var(--amber)) calc(var(--v,0)*1%),var(--line) 0)}
.gauge span{width:94px;height:94px;border-radius:50%;background:var(--panel);display:grid;place-items:center;font:600 34px/1 var(--display);color:#F2F8FA}
.findings{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.findings li{display:grid;grid-template-columns:86px 1fr;gap:12px;align-items:start;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;font-size:15px;color:var(--muted)}
.findings li b{color:#F2F8FA;font-weight:500;display:block}
.sev{font:600 11.5px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:6px 8px;border-radius:2px;text-align:center}
.sev.high{background:rgba(255,107,120,.15);color:var(--red)}
.sev.med{background:rgba(244,185,66,.14);color:var(--amber)}
.sev.low{background:rgba(46,230,197,.12);color:var(--teal)}
@media (max-width:480px){.score{grid-template-columns:1fr;justify-items:start}.findings li{grid-template-columns:1fr}}

/* faq */
.faq{display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:var(--r)}
.faq summary{list-style:none;cursor:pointer;min-height:var(--touch);padding:16px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;font:600 17px/1.35 var(--display);color:#F2F8FA}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--teal);font-size:20px}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{color:var(--teal)}
.faq details p{padding:0 20px 18px;color:var(--muted)}

/* cta */
.cta{position:relative;isolation:isolate;border-block:1px solid var(--line);background:var(--bg)}
.cta .hero-media img{opacity:.25}
.cta .hero-media::after{background:radial-gradient(ellipse at center,rgba(5,8,11,.55),var(--bg) 75%)}
.hotline{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--content-gap-md);background:rgba(255,107,120,.07);border:1px solid rgba(255,107,120,.4);border-radius:var(--r);padding:var(--card-pad)}
.hotline b{color:var(--red);font:600 13px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.hotline .btn{background:var(--red);border-color:var(--red);color:#1A0306}
.hotline .btn:hover{background:#FF97A1;box-shadow:0 0 0 4px rgba(255,107,120,.2)}

/* blog */
.feature{display:grid;grid-template-columns:1.2fr 1fr;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;position:relative}
.feature .pic img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.feature .body{background:var(--panel);padding:var(--card-pad);display:flex;flex-direction:column;gap:var(--content-gap-md);justify-content:center}
.feature h2 a{text-decoration:none}
.feature h2 a::after{content:"";position:absolute;inset:0}
.feature:hover{border-color:var(--teal-d)}
@media (max-width:1024px){.feature{grid-template-columns:1fr}}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{min-height:var(--touch);padding:0 16px;background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r);color:var(--muted);font:500 13px/1 var(--mono);cursor:pointer;transition:border-color .2s,color .2s}
.filters button:hover{color:var(--text);border-color:var(--teal-d)}
.filters button[aria-pressed=true]{color:var(--teal);border-color:var(--teal)}

/* article */
.article-head{display:flex;flex-direction:column;gap:var(--content-gap-md);max-width:880px}
.article-img{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.article-img img{width:100%;aspect-ratio:21/9;object-fit:cover}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:var(--content-gap-lg);align-items:start}
@media (max-width:1024px){.article-grid{grid-template-columns:1fr}}
.prose{font-size:17.5px;line-height:1.8;color:#C3D2D9;max-width:72ch}
.prose h2{font-size:clamp(26px,2.4vw,34px)}
.prose h3{font-size:22px}
.prose a{color:var(--teal)}
.prose blockquote{border-left:2px solid var(--teal);padding:4px 0 4px 20px;color:#F2F8FA;font-size:19px}
.prose pre{background:#071014;border:1px solid var(--line-2);border-radius:var(--r);padding:18px;font:400 13.5px/1.7 var(--mono);color:var(--teal);overflow-x:auto;white-space:pre-wrap;margin-block:0 1em}
.prose code{font-family:var(--mono);font-size:.88em;color:var(--teal)}
.aside{position:sticky;top:100px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:var(--card-pad);display:flex;flex-direction:column;gap:var(--content-gap-sm)}
.aside p{color:var(--muted);font-size:15px}

/* contact */
.info{display:flex;flex-direction:column;gap:var(--content-gap-md)}
.info-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:4px}
.info-item span{font:500 12px/1.3 var(--mono);color:var(--teal);letter-spacing:.08em;text-transform:uppercase}
.info-item a,.info-item p{color:var(--text);text-decoration:none;font-size:16px}
.info-item a:hover{color:var(--teal)}

/* 404 */
.nf{min-height:62vh;display:grid;place-items:center}
.nf .code{font:700 clamp(96px,16vw,220px)/1 var(--display);color:transparent;-webkit-text-stroke:2px var(--teal);letter-spacing:.04em}

/* footer */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding-block:72px 32px}
.site-footer .container{display:flex;flex-direction:column;gap:48px}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:var(--grid-gap)}
.fcol{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.fcol h4{font:500 12.5px/1.3 var(--mono);color:var(--teal);letter-spacing:.12em;text-transform:uppercase}
.fcol a:not(.logo){color:var(--muted);text-decoration:none;min-height:36px;display:inline-flex;align-items:center;font-size:15px}
.fcol a:not(.logo):hover{color:var(--teal)}
.fcol p,.fcol span{color:var(--muted);font-size:15px}
.fnews{display:flex;gap:8px;width:100%}
.fnews input{flex:1;min-width:0}
.fnews .btn{padding:12px 16px}
.fbot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);padding-top:24px;font:400 12.5px/1.5 var(--mono);color:var(--dim)}
@media (max-width:1024px){.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:768px){.site-footer{padding-block:56px 28px}}
@media (max-width:480px){.fgrid{grid-template-columns:1fr}}
.split .certs{grid-template-columns:repeat(3,1fr)}
@media (max-width:768px){.split .certs{grid-template-columns:repeat(2,1fr)}}
.sr-only{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden;white-space:nowrap}
.split>*,.hero-grid>*,.tc-grid>*,.article-grid>*{min-width:0}
.tlink svg{width:16px;height:16px;flex:none}