/* AF Digital Security — theme: matte black, electric blue, white, wide-tracked Montserrat */
:root{
  --bg:#06080b;
  --bg-2:#0b0f14;
  --panel:#0d1218;
  --line:#1a232e;
  --line-2:#243241;
  --text:#f2f5f9;
  --text-dim:#8f9bab;
  --blue:#0a8cff;
  --blue-2:#3da5ff;
  --blue-glow:rgba(10,140,255,.18);
  --high:#ff5d6c;
  --med:#ffb020;
  --low:#3ddc97;
  --font:'Montserrat',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  background-image:radial-gradient(1200px 600px at 85% -10%,rgba(10,140,255,.10),transparent 60%),radial-gradient(800px 500px at -10% 110%,rgba(10,140,255,.06),transparent 60%);
  color:var(--text);
  font-family:var(--font);
  font-weight:400;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono)}
.shell{max-width:1180px;margin:0 auto;padding:0 28px;position:relative}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(6,8,11,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:13px;letter-spacing:.28em;white-space:nowrap}
.brand-mark{width:26px;height:22px;display:inline-block;background:linear-gradient(135deg,#fff 0 48%,var(--blue) 52% 100%);clip-path:polygon(0 100%,38% 0,52% 0,32% 100%,48% 100%,68% 28%,100% 100%,82% 100%,68% 62%,64% 100%);}
.navlinks{display:flex;gap:34px}
.navlinks a{font-size:11.5px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--text-dim);transition:color .2s;padding:6px 0;border-bottom:1px solid transparent}
.navlinks a:hover{color:var(--text);border-color:var(--blue)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-cta{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;padding:11px 20px;border:1px solid var(--blue);color:var(--blue-2);transition:all .2s}
.nav-cta:hover{background:var(--blue);color:#fff;box-shadow:0 0 24px var(--blue-glow)}
.menu-btn{display:none;background:none;border:0;width:36px;height:36px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.menu-btn span{display:block;width:22px;height:1.5px;background:var(--text);transition:transform .25s,opacity .2s}
.menu-btn.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--bg)}
.mobile-menu.open{display:block}
.mobile-menu-inner{display:flex;flex-direction:column;padding:12px 28px 24px}
.mobile-menu-inner a{padding:14px 0;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--text-dim)}

/* Decorative spine */
.spine{position:fixed;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,transparent,var(--blue) 30%,var(--blue) 70%,transparent);opacity:.55;z-index:5;pointer-events:none}
.tick{position:absolute;left:-28px;width:28px;height:1px;background:var(--blue);opacity:.5}

main{padding-bottom:40px}
section{position:relative;padding:96px 0 40px}
.page-header{padding-top:72px}

/* Type */
h1{font-weight:300;font-size:clamp(2.2rem,5vw,3.8rem);line-height:1.12;letter-spacing:.01em}
h1,h2{max-width:20ch}
.page-header h1{max-width:24ch}
h2{font-weight:400;letter-spacing:.02em;line-height:1.25;font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-weight:600;font-size:15px;letter-spacing:.06em}
.label{font-size:11px;font-weight:500;letter-spacing:.34em;text-transform:uppercase;color:var(--blue)}
.sub{margin-top:22px;max-width:62ch;color:var(--text-dim);font-size:16px;line-height:1.75;font-weight:400}
.breadcrumb{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim);display:flex;gap:10px}
.breadcrumb a:hover{color:var(--blue-2)}
.breadcrumb span{opacity:.7}

/* Buttons */
.hero-actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-block;font-family:var(--font);font-size:11.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;padding:16px 30px;border:1px solid var(--blue);cursor:pointer;transition:all .2s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-2);box-shadow:0 0 30px var(--blue-glow)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-2)}

/* Hero */
.hero{padding-top:84px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.readout{border:1px solid var(--line-2);background:linear-gradient(180deg,var(--panel),var(--bg-2));padding:22px;position:relative;overflow:hidden}
.readout::after{content:"";position:absolute;right:-90px;bottom:-90px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(10,140,255,.25);box-shadow:0 0 0 30px rgba(10,140,255,.04),0 0 0 62px rgba(10,140,255,.03)}
.readout-head{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;color:var(--text-dim);letter-spacing:.06em}
.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--blue);margin-right:9px;box-shadow:0 0 10px var(--blue);animation:pulse 1.8s infinite}
@keyframes pulse{50%{opacity:.3}}
.waveform{width:100%;height:56px;margin:22px 0}
.readout-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;position:relative;z-index:1}
.rstat .num{font-size:1.9rem;font-weight:300;color:var(--text)}
.rstat .cap{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);line-height:1.4}

/* Grids / cards */
.areas-grid,.values-grid,.perks-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px}
.area,.value,.perk{background:var(--bg);padding:34px 32px;transition:background .25s;position:relative}
.area:hover,.value:hover,.perk:hover{background:var(--panel)}
.area::before,.value::before,.perk::before{content:"";position:absolute;left:0;top:0;width:2px;height:0;background:var(--blue);transition:height .3s}
.area:hover::before,.value:hover::before,.perk:hover::before{height:100%}
.area h3,.value h3,.perk h3{margin-bottom:12px;font-size:14px;text-transform:uppercase;letter-spacing:.14em}
.area p,.value p,.perk p{color:var(--text-dim);font-size:14.5px;line-height:1.75}
.more{display:inline-block;margin-top:18px;font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--blue-2)}
.more:hover{color:#fff}
.values-grid,.perks-grid{grid-template-columns:repeat(3,1fr)}

/* Method */
.method-list{margin-top:44px;border-top:1px solid var(--line)}
.method-item{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:30px 0;border-bottom:1px solid var(--line)}
.method-index{font-family:var(--mono);color:var(--blue);font-size:14px;letter-spacing:.1em}
.method-item h3{margin-bottom:8px;text-transform:uppercase;letter-spacing:.14em;font-size:14px}
.method-item p{color:var(--text-dim);max-width:70ch;font-size:15px}

/* Advisories */
.adv-list{margin-top:44px;border-top:1px solid var(--line)}
.adv{display:grid;grid-template-columns:130px 1fr 170px 90px;gap:20px;align-items:start;padding:24px 0;border-bottom:1px solid var(--line);transition:background .2s,padding .2s}
.adv:hover{background:linear-gradient(90deg,var(--blue-glow),transparent);padding-left:12px}
.adv-id{font-family:var(--mono);font-size:12px;color:var(--blue-2);letter-spacing:.06em;padding-top:3px}
.adv-title{font-weight:500;font-size:15.5px;line-height:1.45;display:block}
.adv-summary{color:var(--text-dim);font-size:14px;margin-top:8px;line-height:1.7}
.adv-sev{font-family:var(--mono);font-size:11px;letter-spacing:.08em;padding-top:4px;white-space:nowrap}
.sev-high{color:var(--high)}.sev-med{color:var(--med)}.sev-low{color:var(--low)}
.adv-date{font-family:var(--mono);font-size:12px;color:var(--text-dim);text-align:right;padding-top:3px}
.adv-filters{display:flex;gap:10px;margin-top:36px;flex-wrap:wrap}
.adv-filter{font-family:var(--font);background:transparent;border:1px solid var(--line-2);color:var(--text-dim);font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;padding:10px 20px;cursor:pointer;transition:all .2s}
.adv-filter:hover{color:var(--text);border-color:var(--blue)}
.adv-filter.active{background:var(--blue);border-color:var(--blue);color:#fff}
.adv.hidden{display:none}

/* Stats */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:36px}
.stat{background:var(--bg);padding:38px 28px}
.stat .num{font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:300;color:var(--blue-2);letter-spacing:.02em}
.stat .cap{margin-top:8px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);line-height:1.6}

/* CTA */
.cta-block{display:flex;justify-content:space-between;align-items:center;gap:40px;padding:56px 48px;border:1px solid var(--line-2);background:linear-gradient(120deg,var(--panel),var(--bg-2));position:relative;overflow:hidden}
.cta-block::after{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;border:1px solid rgba(10,140,255,.25);box-shadow:0 0 0 36px rgba(10,140,255,.04)}
.cta-block>*{position:relative;z-index:1}
.cta-block h2{max-width:24ch}
.contact-line{display:inline-block;margin-top:20px;font-family:var(--mono);color:var(--blue-2);font-size:14px;border-bottom:1px solid var(--line-2)}
.contact-line:hover{border-color:var(--blue)}

/* About */
.timeline{margin-top:44px;border-left:1px solid var(--line-2);margin-left:6px}
.tl-item{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:0 0 34px 28px;position:relative}
.tl-item::before{content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;background:var(--blue);box-shadow:0 0 12px var(--blue)}
.tl-year{font-family:var(--mono);color:var(--blue-2);font-size:14px}
.tl-item h3{margin-bottom:6px;text-transform:uppercase;letter-spacing:.14em;font-size:14px}
.tl-item p{color:var(--text-dim);font-size:15px;max-width:64ch}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px}
.person{background:var(--bg);padding:30px 28px;border-top:2px solid transparent;transition:background .25s,border-color .25s}
.person:hover{background:var(--panel);border-top-color:var(--blue)}
.avatar{aspect-ratio:4/3;background:repeating-linear-gradient(135deg,#0a0f15 0 12px,#0d141c 12px 24px);border:1px solid var(--line);display:grid;place-items:center;font-family:var(--mono);font-size:10px;letter-spacing:.3em;color:var(--text-dim);margin-bottom:18px}
.person h3{font-size:14px}
.person .role{font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--blue);margin:0 0 12px}
.person p{color:var(--text-dim);font-size:14px}

/* Careers */
.role-list{margin-top:36px;border-top:1px solid var(--line)}
.role-list .role{display:grid;grid-template-columns:1fr 120px 120px 110px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.role-title{font-weight:500;font-size:15.5px}
.role-loc,.role-type{font-family:var(--mono);font-size:12px;color:var(--text-dim)}
.role-apply{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--blue-2);text-align:right}
.role-apply:hover{color:#fff}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;margin-top:20px}
.form-field{margin-bottom:22px}
.form-field label{display:block;font-size:10.5px;font-weight:500;letter-spacing:.24em;text-transform:uppercase;color:var(--text-dim);margin-bottom:8px}
input,select,textarea{width:100%;background:var(--panel);border:1px solid var(--line-2);color:var(--text);font-family:var(--font);font-size:15px;padding:14px 16px;outline:none;transition:border-color .2s,box-shadow .2s;border-radius:0}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-glow)}
textarea{min-height:150px;resize:vertical}
select option{background:var(--panel)}
.form-note{margin-top:16px;font-size:12.5px;color:var(--text-dim)}
.contact-detail{padding:24px 0;border-top:1px solid var(--line)}
.contact-detail h3{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--blue);margin-bottom:8px}
.contact-detail p{color:var(--text-dim);font-size:14.5px}
.contact-detail a{color:var(--text);border-bottom:1px solid var(--line-2)}
.contact-detail a:hover{border-color:var(--blue)}

/* Footer */
footer{border-top:1px solid var(--line);margin-top:60px;padding:34px 0;background:var(--bg)}
.foot-row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center;font-size:12px;color:var(--text-dim);letter-spacing:.06em}
.foot-links{display:flex;gap:26px;flex-wrap:wrap}
.foot-links a{font-size:11px;letter-spacing:.2em;text-transform:uppercase}
.foot-links a:hover{color:var(--blue-2)}

/* Responsive */
@media(max-width:980px){
  .navlinks,.nav-cta{display:none}
  .menu-btn{display:flex}
  .hero-grid,.contact-grid{grid-template-columns:1fr;gap:44px}
  .values-grid,.perks-grid,.team-grid{grid-template-columns:repeat(2,1fr)}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .tick{display:none}
}
@media(max-width:720px){
  .shell{padding:0 20px}
  section{padding-top:64px}
  .areas-grid,.values-grid,.perks-grid,.team-grid{grid-template-columns:1fr}
  .adv{grid-template-columns:1fr;gap:6px}
  .adv-date{text-align:left}
  .role-list .role{grid-template-columns:1fr 1fr;gap:8px 16px}
  .role-title{grid-column:1/-1}
  .role-apply{text-align:left}
  .method-item,.tl-item{grid-template-columns:1fr;gap:6px}
  .cta-block{flex-direction:column;align-items:flex-start;padding:36px 26px}
  .readout-stats{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:720px){.brand{font-size:11px;letter-spacing:.18em}}

/* Form validation + thank-you */
.form-error{margin:0 0 18px;padding:14px 16px;border:1px solid var(--high);background:rgba(255,93,108,.08);color:#ff9aa4;font-size:13.5px}
.form-error[hidden]{display:none}
.form-field.invalid input,.form-field.invalid select,.form-field.invalid textarea{border-color:var(--high);box-shadow:0 0 0 3px rgba(255,93,108,.12)}
.field-msg{display:none;margin-top:6px;font-size:12px;color:var(--high)}
.form-field.invalid .field-msg{display:block}
.btn[disabled]{opacity:.6;cursor:wait}
.check{width:64px;height:64px;border:1px solid var(--blue);display:grid;place-items:center;color:var(--blue-2);box-shadow:0 0 30px var(--blue-glow)}
.thanks{min-height:62vh}