/* Aeternus Intelligence. Tokens and rules: DESIGN.md (sleek monochrome, one signal color). */
:root{
  --bg:#FFFFFF;--bg-2:#F6F6F4;--ink:#0B0C0E;--ink-2:#4B4F57;--ink-3:#676C75;
  --line:#E6E6E2;--line-2:#CFCFCA;--signal:#E5532A;--signal-ink:#C2410C;--on-ink:#FFFFFF;--ok:#1F7A4D;
  --head:'Inter Tight','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --max:1120px;--read:720px;--r:6px;--r-lg:12px;
  --sec:96px;--gl:max(20px,env(safe-area-inset-left,0px));--gr:max(20px,env(safe-area-inset-right,0px));
  --t:150ms ease;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0B0C0E;--bg-2:#131417;--ink:#F2F2F0;--ink-2:#A9ADB5;--ink-3:#868B94;
  --line:#24262B;--line-2:#3A3D44;--signal:#FF7A4D;--signal-ink:#FF7A4D;--on-ink:#0B0C0E;--ok:#5FCB92;color-scheme:dark}}
@media (min-width:900px){:root{--gl:32px;--gr:32px}}
@media (max-width:640px){:root{--sec:64px}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;font-feature-settings:"cv11","ss01"}
body.menu-open{overflow:hidden}
a{color:var(--ink)}
p,ul,ol,h1,h2,h3,h4,dl,dd,dt,figure{margin:0}
h1,h2,h3{font-family:var(--head);font-weight:600;letter-spacing:-.03em;color:var(--ink);text-wrap:balance}
h1{font-size:clamp(2.5rem,6vw,4rem);line-height:1.03}
h2{font-size:clamp(1.75rem,3.4vw,2.25rem);line-height:1.1}
h3{font-size:1.375rem;line-height:1.3;letter-spacing:-.02em}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--bg);padding:8px 12px;z-index:50}
.skip:focus{left:12px}

.wrap{max-width:calc(var(--max) + var(--gl) + var(--gr));margin:0 auto;padding-left:var(--gl);padding-right:var(--gr)}
.narrow{max-width:calc(var(--read) + var(--gl) + var(--gr))}
.band{padding-block:var(--sec)}
.surface{background:var(--bg-2)}
.stack{display:grid;gap:16px}
.lede{font-size:1.125rem;line-height:1.55;color:var(--ink-2);max-width:60ch}
.muted{color:var(--ink-2)}
.fine{font-size:14px;color:var(--ink-3);line-height:1.5}
.label{font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.more{color:var(--ink);font-weight:500;text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:4px;text-decoration-thickness:1px;display:inline-flex;align-items:center;gap:6px;min-height:44px;transition:text-decoration-color var(--t)}
.more::after{content:"→";text-decoration:none;display:inline-block}
.more:hover{text-decoration-color:var(--ink)}
.prose a{text-underline-offset:4px}

/* header */
.top{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;min-height:64px}
.brand{display:inline-flex;align-items:baseline;gap:7px;color:var(--ink);text-decoration:none;white-space:nowrap;font-family:var(--head);letter-spacing:-.02em}
.brand .mark{width:8px;height:8px;border-radius:50%;background:var(--signal);align-self:center;margin-right:2px}
.brand .wm{font-weight:600;font-size:18px}
.brand .wm2{font-weight:500;font-size:18px;color:var(--ink-3)}
.nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.nav a{color:var(--ink-2);font-size:14.5px;font-weight:500;text-decoration:none;padding:10px 12px;transition:color var(--t)}
.nav a:hover{color:var(--ink)}
.nav a[aria-current=page]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--signal);text-decoration-thickness:2px;text-underline-offset:8px}
.nav .btn{margin-left:12px;color:var(--on-ink);text-decoration:none}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:0;background:transparent;color:var(--ink);place-items:center;cursor:pointer;border-radius:var(--r)}
.menu-btn svg{width:22px;height:22px}
.menu-btn .x{display:none}
body.menu-open .menu-btn .x{display:block}
body.menu-open .menu-btn .bars{display:none}
@media (max-width:880px){
  .menu-btn{display:grid}
  .nav{display:none;position:fixed;inset:64px 0 0 0;background:var(--bg);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gr) 32px var(--gl);overflow-y:auto;margin:0}
  body.menu-open .nav{display:flex}
  .nav a{font-family:var(--head);font-weight:600;letter-spacing:-.02em;font-size:1.625rem;color:var(--ink);padding:18px 0;border-bottom:1px solid var(--line)}
  .nav a[aria-current=page]{text-decoration:none;color:var(--ink)}
  .nav a[aria-current=page]::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--signal);margin-right:12px;vertical-align:middle}
  .nav .btn,.nav .btn.small{margin:28px 0 0;min-height:52px;font-family:var(--sans);font-size:16px;font-weight:600;letter-spacing:0;border:0;justify-content:center}
  .nav .nav-contact{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
  .nav .nav-contact a{font-family:var(--sans);font-size:16px;font-weight:600;letter-spacing:0;padding:0;border:1px solid var(--line-2);min-height:52px;border-radius:var(--r);justify-content:center;color:var(--ink)}
  .nav .nav-num{text-align:center;font-size:14px;color:var(--ink-3);padding-top:12px}
}
@media (min-width:881px){.nav .nav-contact,.nav .nav-num{display:none}}
@media (max-width:370px){.brand .wm,.brand .wm2{font-size:16px}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:var(--r);font:600 15.5px/1 var(--sans);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:opacity var(--t),border-color var(--t),background var(--t)}
.btn.primary{background:var(--ink);color:var(--on-ink)}
.btn.primary:hover{opacity:.85}
.btn.secondary{background:transparent;border-color:var(--line-2);color:var(--ink)}
.btn.secondary:hover{border-color:var(--ink)}
.btn.small{min-height:40px;padding:0 16px;font-size:14.5px}
.btn.light{background:#FFFFFF;color:#0B0C0E}
.btn.light:hover{opacity:.9}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.actions{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center}
@media (max-width:560px){.actions .btn{width:100%}}

/* home hero */
.hero{padding-block:clamp(48px,8vw,104px) 0}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:64px;align-items:end}
.hero-copy{display:grid;gap:22px;justify-items:start}
.hero-copy h1{max-width:21ch}
.hero-copy h1 .nb{display:block}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px}}

.flow{background:var(--bg-2);border-radius:var(--r-lg);padding:24px}
.flow ol{list-style:none;padding:0;margin-top:14px;display:grid;position:relative}
.flow li{display:grid;grid-template-columns:56px 14px 1fr;column-gap:14px;align-items:start;padding:10px 0}
.flow .t{font-size:13px;font-variant-numeric:tabular-nums;color:var(--ink-3);padding-top:2px}
.flow .dot{width:9px;height:9px;border-radius:50%;border:1.5px solid var(--ink-3);background:var(--bg-2);margin-top:6px;position:relative;z-index:1}
.flow li:last-child .dot{background:var(--signal);border-color:var(--signal)}
.flow ol::before{content:"";position:absolute;left:calc(56px + 14px + 4px);top:22px;bottom:22px;width:1px;background:var(--line-2)}
.flow b{display:block;font-weight:600;font-size:15.5px}
.flow .d{display:block;font-size:14px;color:var(--ink-2)}

.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);margin-top:clamp(48px,7vw,88px)}
.facts>div{padding:24px 24px 24px 0;display:grid;gap:4px}
.facts>div+div{padding-left:24px;border-left:1px solid var(--line)}
.facts dt{font-family:var(--head);font-weight:600;letter-spacing:-.02em;font-size:1.25rem;line-height:1.25}
.facts dd{font-size:15px;color:var(--ink-2);line-height:1.5}
@media (max-width:760px){.facts{grid-template-columns:1fr}.facts>div,.facts>div+div{padding:18px 0;border-left:0}.facts>div+div{border-top:1px solid var(--line)}}

/* numbered rows */
.sec-head{display:grid;gap:12px;margin-bottom:32px;max-width:var(--read)}
.rows{display:grid;grid-template-columns:1fr 1fr;column-gap:56px;counter-reset:r;border-top:1px solid var(--line)}
.rows.one{grid-template-columns:1fr}
.row{counter-increment:r;display:grid;grid-template-columns:40px 1fr auto;gap:4px 12px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.row::before{content:counter(r,decimal-leading-zero);font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--signal-ink)}
.row-b{display:grid;gap:4px}
.row-t{font-weight:600;font-size:17px;letter-spacing:-.01em}
.row-d{font-size:15px;line-height:1.5;color:var(--ink-2)}
.row .chev::after{content:"→";color:var(--ink-3);transition:transform var(--t),color var(--t);display:inline-block}
.row:hover .chev::after{transform:translateX(3px);color:var(--ink)}
.row:hover .row-t{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
@media (max-width:760px){.rows{grid-template-columns:1fr}}

/* steps */
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;counter-reset:s;border-top:1px solid var(--line);padding-top:24px}
.steps li{counter-increment:s;display:grid;gap:6px;align-content:start}
.steps li::before{content:counter(s,decimal-leading-zero);font-size:13px;font-weight:600;color:var(--signal-ink);font-variant-numeric:tabular-nums}
.steps b{font-weight:600;font-size:17px}
.steps span{font-size:15px;color:var(--ink-2);line-height:1.5}
@media (max-width:880px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr;gap:20px}}

.price-big{font-family:var(--head);font-weight:600;font-size:clamp(3rem,7vw,4.5rem);line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:end}
@media (max-width:760px){.split{grid-template-columns:1fr;gap:20px}}

/* final call to action */
.cta{background:#0B0C0E;color:#F2F2F0}
@media (prefers-color-scheme:dark){.cta{background:#131417;border-top:1px solid var(--line)}}
.cta h2{color:#F2F2F0;max-width:20ch}
.cta p{color:#A9ADB5}
.cta a.more{color:#F2F2F0;text-decoration-color:#4B4F57}
.cta a.more:hover{text-decoration-color:#F2F2F0}
.cta .wrap{display:grid;gap:18px;justify-items:start}
.cta :focus-visible{outline-color:#FF7A4D}

/* inner page head */
.page-head{padding-block:clamp(40px,7vw,88px) clamp(24px,3vw,40px);display:grid;gap:18px;justify-items:start}
.page-head h1{font-size:clamp(2.25rem,5vw,3.5rem);max-width:18ch}
.crumb{font-size:14px;color:var(--ink-3)}
.crumb a{color:var(--ink-3);text-underline-offset:3px}

/* services index */
.group{display:grid;grid-template-columns:220px 1fr;gap:12px 56px;padding-block:32px;border-top:1px solid var(--line)}
.group h2{font-size:1.5rem}
.group .rows{grid-template-columns:1fr;border-top:0;counter-reset:none}
.group>.stack{align-content:start}
main{counter-reset:r}
.group .rows .row:first-child{padding-top:0}
@media (max-width:760px){.group{grid-template-columns:1fr}}

/* service page */
.answer{font-size:1.125rem;line-height:1.65;color:var(--ink);max-width:62ch}
.items{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;column-gap:56px;border-top:1px solid var(--line)}
.items li{padding:20px 0;border-bottom:1px solid var(--line);display:grid;gap:4px}
.items b{font-weight:600;font-size:16px}
.items span{font-size:15px;color:var(--ink-2);line-height:1.5}
@media (max-width:760px){.items{grid-template-columns:1fr}}
.note{padding:22px 24px;border-radius:var(--r-lg);background:var(--bg-2);display:grid;gap:8px}
.note b{font-weight:600}

/* how it works */
.ab{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ab>div{border-radius:var(--r-lg);padding:24px;background:var(--bg-2)}
.ab h3{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:1.15rem}
.pill{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;font-family:var(--head);font-weight:600;font-size:14px;letter-spacing:0;border:1.5px solid var(--ink-3);color:var(--ink-2)}
.pill.b{border-color:var(--signal);color:var(--signal-ink)}
.ab ul{list-style:none;padding:0}
.ab li{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.5;color:var(--ink-2)}
.ab .b li{color:var(--ink)}
.ab li:last-child{border-bottom:0}
@media (max-width:760px){.ab{grid-template-columns:1fr}}
.phases{list-style:none;padding:0;border-top:1px solid var(--line);counter-reset:p}
.phases li{counter-increment:p;display:grid;grid-template-columns:72px 1fr;gap:6px 24px;padding:24px 0;border-bottom:1px solid var(--line)}
.phases li::before{content:counter(p,decimal-leading-zero);font-size:13px;font-weight:600;color:var(--signal-ink);padding-top:6px;font-variant-numeric:tabular-nums}
.phases h3{grid-column:2;font-size:1.25rem}
.phases p{grid-column:2;color:var(--ink-2);font-size:15.5px}
@media (max-width:520px){.phases li{grid-template-columns:1fr}.phases h3,.phases p{grid-column:1}}
.checks{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 40px}
.checks li{position:relative;padding-left:24px;color:var(--ink-2);font-size:15px;line-height:1.5}
.checks li::before{content:"";position:absolute;left:2px;top:.5em;width:8px;height:4px;border-left:1.75px solid var(--ok);border-bottom:1.75px solid var(--ok);transform:rotate(-45deg)}
.checks.one{grid-template-columns:1fr}
@media (max-width:700px){.checks{grid-template-columns:1fr}}

/* results */
.cases{display:grid;grid-template-columns:1fr 1fr;column-gap:56px;border-top:1px solid var(--line)}
.case{padding:28px 0;border-bottom:1px solid var(--line);display:grid;gap:10px;align-content:start}
.case p{color:var(--ink-2);font-size:15.5px}
.case p.label{color:var(--signal-ink)}
@media (max-width:760px){.cases{grid-template-columns:1fr}}

/* pricing */
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:stretch}
.tier{border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;gap:14px;background:var(--bg)}
.tier .checks{margin-bottom:8px}
.tier .btn{width:100%;margin-top:auto}
.tier.featured{border-color:var(--ink)}
.flag{align-self:flex-start;font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--signal-ink)}
.price{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}
.price strong{font-family:var(--head);font-weight:600;font-size:2.5rem;line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.price span{font-size:14px;color:var(--ink-2)}
@media (max-width:900px){.tiers{grid-template-columns:1fr}.tier.featured{order:-1}}
.addons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:40px;border-top:1px solid var(--line)}
.addons>div{padding:20px 0;border-bottom:1px solid var(--line);display:grid;gap:4px;align-content:start}
.addons b{font-weight:600;font-size:16px}
.addons .p{font-size:14.5px;font-weight:500;font-variant-numeric:tabular-nums}
.addons span{font-size:14.5px;color:var(--ink-2);line-height:1.5}
@media (max-width:760px){.addons{grid-template-columns:1fr}}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:20px 0;font-weight:600;font-size:16.5px;list-style:none;display:grid;grid-template-columns:1fr 20px;gap:16px;align-items:center;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--ink-3);justify-self:center;line-height:1;transition:transform var(--t)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 0 22px;color:var(--ink-2);font-size:15.5px;line-height:1.65;max-width:62ch}

/* forms */
.card{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--bg);padding:clamp(20px,4vw,36px)}
.form{display:grid;gap:22px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:620px){.two{grid-template-columns:1fr}}
.field{display:grid;gap:6px;min-width:0}
.field label,.fs legend{font-weight:600;font-size:14.5px;color:var(--ink)}
.hint{font-size:14px;color:var(--ink-3);line-height:1.45}
input[type=text],input[type=email],input[type=tel],input[type=url],select,textarea{width:100%;font:400 16px/1.4 var(--sans);min-height:48px;padding:11px 12px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg);color:var(--ink);transition:border-color var(--t)}
textarea{min-height:112px;resize:vertical}
input:hover,select:hover,textarea:hover{border-color:var(--ink-3)}
input:focus-visible,select:focus-visible,textarea:focus-visible{border-color:var(--ink);outline:2px solid var(--signal);outline-offset:1px}
.fs{border:0;padding:0;margin:0;display:grid;gap:8px}
.checkgrid{display:grid;grid-template-columns:1fr 1fr;gap:2px 20px}
@media (max-width:620px){.checkgrid{grid-template-columns:1fr}}
.checkgrid label{display:grid;grid-template-columns:20px 1fr;gap:10px;align-items:start;font-size:15px;color:var(--ink-2);cursor:pointer;padding:9px 0}
.checkgrid input,.opts input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--ink)}
.step-label{font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--signal-ink)}
.form hr{border:0;border-top:1px solid var(--line);margin:6px 0}

/* quiz */
.q{padding:22px 0;border-bottom:1px solid var(--line);display:grid;gap:12px}
.q:first-child{padding-top:0}
.qt{font-weight:600;font-size:16px}
.opts{display:grid;gap:8px}
.opts label{display:grid;grid-template-columns:20px 1fr;gap:12px;align-items:start;font-size:15px;color:var(--ink-2);cursor:pointer;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r);transition:border-color var(--t)}
.opts label:hover{border-color:var(--line-2)}
.opts label:has(input:checked){border-color:var(--ink);color:var(--ink)}
.score{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;padding-bottom:22px;border-bottom:1px solid var(--line)}
.score-num{font-family:var(--head);font-weight:600;font-size:4rem;line-height:1;letter-spacing:-.04em}
.score-num small{display:block;font:500 13px/1 var(--sans);letter-spacing:0;color:var(--ink-3);margin-top:8px}
@media (max-width:520px){.score{grid-template-columns:1fr;gap:12px}}
.recs{padding-left:20px;display:grid;gap:8px;color:var(--ink-2)}
.recs b{color:var(--ink);font-weight:600}

/* footer */
.foot{border-top:1px solid var(--line);padding-block:48px 36px;font-size:14.5px;color:var(--ink-2)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.foot-grid>div{display:grid;gap:6px;align-content:start}
.foot a{color:var(--ink-2);text-decoration:none;padding:4px 0;justify-self:start}
.foot a:hover{color:var(--ink)}
.foot .brand{color:var(--ink);padding:0;margin-bottom:6px}
.foot-legal{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
@media (max-width:700px){.foot-grid{grid-template-columns:1fr 1fr;gap:24px}.foot-grid>div:first-child{grid-column:1/-1}}