/* Diagnostic theme. One accent (electric blue #0A66FF), dark/light alternating sections.
   Contrast: white on --accent 4.8:1; text on light uses --accent-ink (7:1+); accent on dark is used only for icons/large graphics (3:1+). */
:root{--accent:#0A66FF;--accent-hover:#0850cc;--accent-ink:#0850cc;--ink:#0d1117;--ink-2:#151b24;--line-dark:#2a3445;--text-dark:#e8edf4;--muted-dark:#b8c2d1;--paper:#f3f5f8;--line:#d5dbe4;--muted:#3a4658;--ok:#22c55e;--warn:#facc15;--bad:#ef4444;--w:68rem;--head:"Avenir Next","Montserrat","Century Gothic","Trebuchet MS",system-ui,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:1.0625rem;overflow-x:hidden;padding-bottom:4.5rem}
h1,h2,h3{font-family:var(--head);line-height:1.2;margin:0 0 .75rem;color:var(--ink)}
h1{font-size:clamp(2rem,7vw,3.4rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,4.5vw,2.25rem);letter-spacing:-.01em}
h3{font-size:1.15rem}
p{margin:0 0 1rem}
a{color:var(--accent-ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.dark :focus-visible,header :focus-visible,footer :focus-visible{outline-color:#fff}
.wrap{max-width:var(--w);margin:0 auto;padding:0 1.25rem;position:relative;z-index:1}
.skip{position:absolute;left:.5rem;top:-4rem;background:var(--ink);color:#fff;padding:.6rem 1rem;border-radius:6px;z-index:100}
.skip:focus{top:.5rem}

/* sections: alternate dark / light */
.section{padding:5rem 0;position:relative;content-visibility:auto;contain-intrinsic-size:auto 40rem}
@media(min-width:880px){.section{padding:7rem 0}}
.section.light{background:var(--paper)}
.section.dark,.hero,.final{background:var(--ink);color:var(--text-dark)}
.dark h2,.dark h3,.hero h1,.final h2,.final h3{color:#fff}
.dark p,.dark li{color:var(--text-dark)}
.dark .small,.dark .card p{color:var(--muted-dark)}
.dark a:not(.btn),.final a:not(.btn),footer a{color:#fff}
/* faint grid texture, in the bottom padding of dark sections only (never behind text) */
.dark::after,.hero::after,.final::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3rem;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}

/* buttons: filled accent, white text */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:3rem;padding:.7rem 1.4rem;border-radius:10px;font-weight:700;text-decoration:none;border:2px solid var(--accent);background:var(--accent);color:#fff;text-align:center;cursor:pointer;transition:background .15s,transform .15s,box-shadow .15s}
.btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 14px rgba(10,102,255,.45)}
.btn:active{transform:translateY(1px);box-shadow:none;background:#063fa3;border-color:#063fa3}
.btn:focus-visible{outline:3px solid #fff;outline-offset:2px;box-shadow:0 0 0 6px var(--accent)}
.light .btn:focus-visible{outline-color:var(--ink);box-shadow:none}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.5rem 0 1rem}
.actions .btn{flex:1 1 14rem}

/* header */
header{position:sticky;top:0;z-index:50;background:var(--ink);border-bottom:1px solid var(--line-dark)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:.75rem;min-height:4rem;padding-block:.5rem}
.logo{text-decoration:none;color:#fff;display:block;line-height:1.2;min-width:0;font-family:var(--head)}
.logo strong{display:block;font-size:1.1rem}
.logo small{display:none;font-size:.78rem;color:var(--muted-dark)}
.mainnav{display:none}
.mainnav a{color:#fff;text-decoration:none;font-weight:600;margin-right:1.1rem;font-size:.95rem}
.mainnav a:hover{text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:3px;text-underline-offset:6px}
.bar .btn{min-height:2.75rem;padding:.4rem 1rem;flex:none}
.bar .long{display:none}
@media(min-width:480px){.logo small{display:block}}
@media(min-width:1000px){.mainnav{display:block;margin-left:auto;margin-right:1rem}.mainnav a:last-child{margin-right:0}.bar .long{display:inline}body{padding-bottom:0}}

/* hero */
.hero{padding:2.5rem 0 5rem;position:relative}
.eyebrow{color:#fff;font-weight:700;font-size:.9rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:.75rem}
.lede{font-size:1.15rem;max-width:44rem;color:var(--muted-dark)}
.herophone{font-size:1.25rem;font-weight:700;margin-bottom:1rem}
.herogrid{display:grid;gap:1.75rem}
.legend{display:flex;flex-wrap:wrap;gap:1rem;list-style:none;margin:0 0 1rem;padding:0;font-size:.85rem;font-weight:700;color:var(--muted-dark)}
.legend li{display:flex;align-items:center;gap:.4rem}
.small{font-size:.95rem;color:var(--muted)}
.hero .small{color:var(--muted-dark)}

/* headings */
h2::after{content:"";display:block;width:3.5rem;height:4px;border-radius:2px;background:var(--accent);margin-top:.6rem}
h2+p{margin-top:1rem}

/* status dots */
.dot{display:inline-block;width:.8rem;height:.8rem;border-radius:50%;flex:none}
.dot.ok{background:var(--ok)}.dot.warn{background:var(--warn)}.dot.bad{background:var(--bad)}

/* cards */
.grid{display:grid;gap:1rem;margin-top:1.5rem}
@media(min-width:700px){.grid.three{grid-template-columns:repeat(3,1fr)}.grid.services{grid-template-columns:repeat(2,1fr)}.grid.four{grid-template-columns:repeat(2,1fr)}.grid.checks{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.grid.services{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.grid.checks{grid-template-columns:repeat(4,1fr)}}
.card,.steps li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.4rem;box-shadow:0 1px 3px rgba(13,17,23,.06)}
.card p,.steps li p{margin:0;color:var(--muted)}
.card h3{border-left:4px solid var(--accent);padding-left:.7rem}
.dark .card{background:var(--ink-2);border-color:var(--line-dark);box-shadow:none}
.dark .card h3{color:#fff}
.icon{width:2.5rem;height:2.5rem;color:var(--accent);display:block;margin-bottom:.6rem;fill:none;stroke:currentColor;stroke-width:1.8}
.limits{margin-top:1.5rem;padding:1.1rem 1.25rem;border-left:4px solid var(--accent);background:#fff;border-radius:0 8px 8px 0}
.limits p{margin:0;color:var(--ink)}
.checks .card h3{border-left:0;padding-left:0;margin-bottom:.4rem}

/* steps */
.steps{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:1rem}
@media(min-width:700px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li h3{border-left:4px solid var(--accent);padding-left:.7rem}
.dark .steps li{background:var(--ink-2);border-color:var(--line-dark);box-shadow:none}
.dark .steps li p{color:var(--muted-dark)}

/* pricing, payment, savings */
#pricing ul{padding-left:1.2rem;margin:.5rem 0 1rem}#pricing li{margin:.4rem 0}
.pay{margin-top:1.5rem;padding:1.1rem 1.25rem;border:1px solid var(--line-dark);border-left:4px solid var(--accent);border-radius:0 10px 10px 0;background:var(--ink-2)}
.pay h3{margin:0 0 .25rem}.pay p{margin:0;font-weight:600}
.costs{list-style:none;margin:1.5rem 0;padding:0;display:grid;gap:.6rem;max-width:40rem}
.costs li{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:8px;padding:.8rem 1rem}
.costs strong{font-family:var(--head);white-space:nowrap}
.note{font-size:.9rem;color:var(--muted)}
.cando{display:grid;gap:1rem;margin-top:1.5rem}
@media(min-width:800px){.cando{grid-template-columns:1fr 1fr}}
.cando .card p{color:var(--muted-dark)}

/* sample report card */
.report{max-width:34rem;margin:1.5rem 0 0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(13,17,23,.12)}
.report header{position:static;background:var(--ink);color:#fff;padding:1rem 1.25rem;border:0}
.report header h3{color:#fff;margin:0}
.report header span{font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-dark)}
.report ul{list-style:none;margin:0;padding:0}
.report li{display:flex;gap:.8rem;align-items:flex-start;padding:.85rem 1.25rem;border-bottom:1px solid var(--line);color:var(--ink)}
.report li .dot{margin-top:.45rem}
.report li strong{display:block}
.report li span.t{color:var(--muted);font-size:.95rem}
.report footer{padding:.9rem 1.25rem;background:var(--paper);color:var(--ink);font-weight:600;border:0;font-size:1rem}

/* faq */
details{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:10px;margin-bottom:.75rem}
summary{cursor:pointer;font-weight:700;padding:1rem 1.25rem;list-style:none;display:flex;justify-content:space-between;gap:1rem;color:#fff}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:#fff;font-size:1.4rem;line-height:1}
details[open] summary::after{content:"\2212"}
details p{padding:0 1.25rem;margin:0 0 1.1rem;color:var(--muted-dark)}
details summary:hover{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
details[open]{border-color:var(--accent)}
details[open] p{animation:fq .25s ease}
@keyframes fq{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* final / form */
.final{border-top:4px solid var(--accent)}
.final .phone{font-size:1.5rem;font-weight:700;margin-top:1rem}
.final .phone a{text-decoration:none}
.lead{background:#fff;color:var(--ink);border-radius:14px;padding:1.5rem;margin:2rem 0 1.5rem;max-width:44rem}
.lead h3{color:var(--ink)}
.lead .small{color:var(--muted)}
.fields{display:grid;gap:.9rem;margin-bottom:1.1rem}
@media(min-width:700px){.fields{grid-template-columns:1fr 1fr}.fields .wide{grid-column:1/-1}}
.lead label{display:block;font-weight:600;font-size:.95rem;color:var(--ink)}
.lead input,.lead textarea{display:block;width:100%;margin-top:.3rem;padding:.7rem .8rem;font:inherit;border:1px solid #6b7a90;border-radius:8px;background:#fff;color:var(--ink)}
.lead .btn{width:100%;font-size:1.05rem}
.lead .formmsg{margin:.8rem 0 0}
.hp,.hidden{display:none !important}

/* footer */
footer.site{padding:2rem 0;background:var(--ink);border-top:1px solid var(--line-dark);font-size:.95rem;color:var(--muted-dark)}
footer.site p{margin:0 0 .35rem}
footer.site strong{color:#fff}
footer.site a{font-weight:700}

/* sticky mobile bar */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:.6rem;padding:.6rem 1rem calc(.6rem + env(safe-area-inset-bottom));background:var(--ink);border-top:1px solid var(--line-dark)}
.mbar .btn{flex:1;min-height:3.4rem;font-size:1.2rem}
@media(min-width:1000px){.mbar{display:none}}

/* reveal on scroll (hero excluded for LCP) */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}.btn{transition:none}}

/* polish layer: depth, glow, motion. Visual only, no content changes. */
:root{--accent-2:#4da3ff;--glow:rgba(10,102,255,.28)}
header{background:rgba(13,17,23,.88);-webkit-backdrop-filter:saturate(160%) blur(12px);backdrop-filter:saturate(160%) blur(12px)}
.logo strong{letter-spacing:-.01em}
.mainnav a{transition:color .15s}
.mainnav a:hover{color:var(--accent-2)}

/* hero: layered glow behind the copy */
.hero{background:radial-gradient(60rem 28rem at 85% -10%,rgba(10,102,255,.35),transparent 60%),radial-gradient(40rem 24rem at -10% 110%,rgba(77,163,255,.14),transparent 60%),var(--ink);overflow:hidden}
.hero h1{background:linear-gradient(180deg,#fff 40%,#c6d6ee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#fff}
.eyebrow{display:inline-block;padding:.35rem .8rem;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.06);font-size:.8rem}
.legend{display:inline-flex;padding:.45rem .9rem;border:1px solid var(--line-dark);border-radius:999px;background:rgba(255,255,255,.04)}
.herophone a{text-decoration-color:var(--accent);text-underline-offset:5px;text-decoration-thickness:2px}

/* buttons */
.btn{background:linear-gradient(180deg,#2a7bff,var(--accent));box-shadow:0 4px 14px rgba(10,102,255,.3)}
.btn:hover{background:linear-gradient(180deg,#1d70f5,var(--accent-hover))}
.btn.ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.55);color:#fff;box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;box-shadow:none}

/* sections: soft dark depth, gentler light bands */
.section.dark{background:linear-gradient(180deg,var(--ink),#101722)}
.section.light{background:linear-gradient(180deg,#f7f9fc,var(--paper))}
h2::after{width:3rem;background:linear-gradient(90deg,var(--accent),var(--accent-2))}

/* cards: lift + glow on hover */
.card,.steps li,.costs li{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover,.steps li:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(13,17,23,.14);border-color:rgba(10,102,255,.5)}
.dark .card:hover,.dark .steps li:hover{box-shadow:0 14px 34px var(--glow);border-color:var(--accent)}
.icon{padding:.45rem;width:3rem;height:3rem;border-radius:12px;background:rgba(10,102,255,.12);color:var(--accent-2)}
.light .icon{color:var(--accent-ink);background:rgba(10,102,255,.09)}
.costs li:hover{transform:translateX(4px);box-shadow:0 6px 16px rgba(13,17,23,.1)}
.limits{box-shadow:0 1px 3px rgba(13,17,23,.06)}

/* numbered steps */
.steps{counter-reset:s}
.steps li{position:relative;counter-increment:s;padding-top:1.9rem}
.steps li::before{content:counter(s);position:absolute;top:-1rem;left:1.2rem;width:2.1rem;height:2.1rem;border-radius:50%;display:grid;place-items:center;font:700 1rem var(--head);color:#fff;background:linear-gradient(135deg,#2a7bff,var(--accent-hover));box-shadow:0 4px 12px var(--glow)}
.steps{margin-top:2.25rem}

/* pricing + payment emphasis */
.pay{background:linear-gradient(135deg,rgba(10,102,255,.18),var(--ink-2))}

/* sample report */
.report{transition:transform .25s ease,box-shadow .25s ease}
.report:hover{transform:translateY(-3px) rotate(-.3deg);box-shadow:0 16px 36px rgba(13,17,23,.2)}
.dot{box-shadow:0 0 0 3px rgba(255,255,255,.08),0 0 10px currentColor}
.dot.ok{color:var(--ok)}.dot.warn{color:var(--warn)}.dot.bad{color:var(--bad)}
.report .dot{box-shadow:0 0 0 3px rgba(13,17,23,.06)}

/* faq */
details{transition:border-color .2s,background .2s}
details:hover{border-color:#41506a}
details[open]{background:linear-gradient(180deg,#18212e,var(--ink-2))}
summary::after{display:grid;place-items:center;width:1.75rem;height:1.75rem;border-radius:50%;background:rgba(255,255,255,.08);flex:none}

/* final CTA + form */
.final{background:radial-gradient(50rem 24rem at 50% -15%,rgba(10,102,255,.4),transparent 65%),var(--ink)}
.lead{box-shadow:0 20px 50px rgba(0,0,0,.4)}
.lead input,.lead textarea{transition:border-color .15s,box-shadow .15s}
.lead input:focus,.lead textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(10,102,255,.25)}

/* mobile bar */
.mbar{background:rgba(13,17,23,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}

@media (prefers-reduced-motion:reduce){.card,.steps li,.costs li,.report{transition:none}.card:hover,.steps li:hover,.costs li:hover,.report:hover{transform:none}}