/* aetherosint.com — deep navy and slate, cyan signal accent; Playfair Display headings, Inter text (both SIL OFL). */
@font-face{font-family:"Playfair Display";font-weight:600;font-display:swap;src:url(fonts/playfair-display-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Playfair Display";font-weight:700;font-display:swap;src:url(fonts/playfair-display-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(fonts/inter-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:700;font-display:swap;src:url(fonts/inter-latin-700-normal.woff2) format("woff2")}
:root{--navy:#0b1626;--slate:#16243a;--ink:#1b2433;--muted:#5b6678;--line:#dfe4ea;--paper:#f6f7f9;--white:#fff;
--cyan:#22d3ee;--teal:#0e7490;--red:#be123c;--serif:"Playfair Display",Georgia,"Times New Roman",serif;
--sans:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;accent-color:#0e7490}
body{margin:0;font:16px/1.65 var(--sans);color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}
a{color:var(--teal)}a:hover{color:var(--navy)}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:9}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}
h1,h2,h3{font-family:var(--serif);line-height:1.2;color:var(--navy);margin:0 0 .5em}
h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:700}h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700}
h3{font-size:1.15rem;font-weight:600}
.kicker{font:600 .78rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin:0 0 14px}
.sub{color:var(--muted);max-width:720px;margin:-4px 0 28px}.small{font-size:.86rem;color:var(--muted)}
.btn{display:inline-block;background:var(--cyan);color:var(--navy);font-weight:700;text-decoration:none;border:0;
padding:13px 22px;border-radius:6px;cursor:pointer;font-size:1rem;font-family:var(--sans)}
.btn:hover{background:#67e8f9;color:var(--navy)}.btn.small{padding:8px 14px;font-size:.9rem}
.btn.ghost{background:transparent;color:var(--navy);box-shadow:inset 0 0 0 2px var(--navy)}
.btn.ghost.light{color:#fff;box-shadow:inset 0 0 0 2px rgba(255,255,255,.6)}.btn.ghost:hover{background:rgba(34,211,238,.12)}
.btn[disabled]{opacity:.6;cursor:wait}
header.top{background:var(--navy);position:sticky;top:0;z-index:5;border-bottom:1px solid rgba(255,255,255,.08)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.mark{font:700 1.3rem/1 var(--serif);color:#fff;text-decoration:none;letter-spacing:.01em}.mark span{color:var(--cyan)}
header nav{display:flex;align-items:center;gap:22px}header nav a{color:#cbd5e1;text-decoration:none;font-size:.95rem}
header nav a:hover{color:#fff}header nav a.btn{color:var(--navy)}
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(34,211,238,.18),transparent 60%),
linear-gradient(180deg,var(--navy),var(--slate));color:#e2e8f0;padding:84px 0 72px}
.hero h1{color:#fff}.hero h1 em{color:var(--cyan);font-style:italic}.hero .kicker{color:var(--cyan)}
.lede{font-size:1.15rem;max-width:760px;color:#cbd5e1}.page .lede{color:var(--muted)}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 36px}
.facts{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
background:rgba(255,255,255,.1);border-radius:8px;overflow:hidden}
.facts li{background:rgba(11,22,38,.6);padding:16px 18px;color:#94a3b8;font-size:.92rem}.facts b{display:block;color:#fff;font-size:1.15rem}
.band{padding:76px 0}.band.alt{background:var(--paper)}
.sections{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:18px 36px}
.sections li{counter-increment:s;position:relative;padding:4px 0 4px 54px;border-top:1px solid var(--line);padding-top:18px}
.sections li::before{content:counter(s);position:absolute;left:0;top:16px;font:700 1.6rem/1 var(--serif);color:var(--teal)}
.sections h3{margin-bottom:.3em}.sections p{margin:0;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.steps>div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px}
.steps span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);
color:var(--cyan);font-weight:700;margin-bottom:12px}.steps p{margin:0;color:var(--muted);font-size:.95rem}
.more{margin-top:26px}
.never{list-style:none;padding:0;margin:0}.never li{position:relative;padding:12px 0 12px 34px;border-bottom:1px solid var(--line)}
.never li::before{content:"";position:absolute;left:4px;top:21px;width:14px;height:2px;background:var(--red);
box-shadow:0 0 0 0 var(--red)}
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.price{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px;display:flex;flex-direction:column}
.price.featured{border:2px solid var(--navy);box-shadow:0 10px 30px rgba(11,22,38,.08)}
.amount{font:700 2.2rem/1 var(--serif);color:var(--navy);margin:6px 0}.turn{color:var(--teal);font-weight:600;margin:0 0 12px;font-size:.92rem}
.price p:not(.amount):not(.turn){color:var(--muted);flex:1}.price .btn{align-self:flex-start}
.buyers{columns:2;gap:36px;padding-left:18px;margin:0}.buyers li{margin:0 0 10px;break-inside:avoid}
form.request{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px}
fieldset{border:0;padding:0;margin:0 0 22px}legend{font:600 1.05rem var(--serif);color:var(--navy);margin-bottom:10px}
form label{display:block;font-weight:600;font-size:.92rem;margin:0 0 14px}
form input:not([type=checkbox]):not([type=radio]),form textarea{display:block;width:100%;margin-top:6px;padding:11px 12px;
font:inherit;font-weight:400;border:1px solid #c7ced8;border-radius:6px;background:#fff;color:var(--ink)}
form input:focus,form textarea:focus{outline:2px solid var(--cyan);outline-offset:1px;border-color:var(--teal)}
.opt{font-weight:400;color:var(--muted);font-size:.84rem;margin-left:4px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
label.tier,label.check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
label.tier input,label.check input{margin-top:5px}
.hp{position:absolute!important;left:-9999px!important}
.notice{padding:14px 16px;border-radius:8px;margin:0 0 18px}.notice.ok{background:#ecfeff;border:1px solid #a5f3fc;color:#155e75}
.notice.err{background:#fff1f2;border:1px solid #fecdd3;color:#9f1239}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}.faq summary{cursor:pointer;font-weight:600;color:var(--navy)}
.faq p{color:var(--muted);margin:10px 0 0}
.page{padding:64px 0 80px}.page h2{margin-top:2em}
.table{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.94rem;margin:12px 0}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
thead th{background:var(--paper);font-weight:600;color:var(--navy)}tbody th{font-weight:600;color:var(--navy)}
footer.site{background:var(--navy);color:#94a3b8;padding:36px 0;font-size:.9rem}
footer.site a{color:#cbd5e1}footer.site strong{color:#fff}
footer nav{display:flex;flex-wrap:wrap;gap:18px;margin-top:12px}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}.prices{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}}
@media (max-width:640px){header nav a:not(.btn){display:none}.sections{grid-template-columns:1fr}.steps{grid-template-columns:1fr}
.two{grid-template-columns:1fr}.buyers{columns:1}.hero{padding:56px 0 48px}.band{padding:56px 0}form.request{padding:20px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}