/* Custom Data Co. — site v1. Original implementation; enterprise dark aesthetic. */
:root{
  --ink:#0b1310;          /* page canvas, near-black green */
  --ink-2:#101b17;        /* raised panels */
  --line:rgba(255,255,255,.09);
  --text:#eef4f1;
  --muted:#93a39c;
  --accent:#53d6a0;       /* CTA / eyebrow green */
  --accent-ink:#062117;
  --paper:#f5f7f6;        /* light sections */
  --paper-text:#101b17;
  --paper-muted:#54655e;
  --paper-line:#dde4e1;
  --radius:14px;
  --sans:"Inter","Helvetica Neue",Arial,ui-sans-serif,system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--text);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---------- nav ---------- */
header.site{position:sticky;top:0;z-index:50;background:rgba(11,19,16,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{font-weight:800;font-size:19px;letter-spacing:-.02em;white-space:nowrap}
.brand b{color:var(--accent)}
.nav .links{display:flex;gap:22px;font-size:15px;color:var(--muted)}
.nav .links a:hover{color:var(--text)}
.nav .spacer{flex:1}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:11px 22px;font-weight:600;font-size:15px;border:1px solid var(--line);transition:.15s}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.big{padding:15px 30px;font-size:16px}

/* ---------- hero ---------- */
.hero{position:relative;padding:110px 0 90px;text-align:center;overflow:hidden}
.hero .grid-lines{position:absolute;inset:0;background:
  repeating-linear-gradient(90deg,transparent 0 119px,rgba(255,255,255,.035) 119px 120px);
  mask-image:linear-gradient(180deg,transparent,black 30%,black 70%,transparent);pointer-events:none}
.eyebrow{font:600 12px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:22px;display:inline-block}
h1.display{font-size:clamp(2.6rem,6.2vw,4.6rem);line-height:1.04;letter-spacing:-.03em;font-weight:800;max-width:900px;margin:0 auto}
.hero .sub{color:var(--muted);font-size:clamp(1.05rem,1.6vw,1.3rem);max-width:640px;margin:26px auto 38px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero .fine{margin-top:26px;font:400 13px var(--mono);color:var(--muted)}

/* ---------- shared sections ---------- */
section{padding:88px 0}
section.paper{background:var(--paper);color:var(--paper-text)}
section.paper .eyebrow{color:#0d7d54}
h2.title{font-size:clamp(1.9rem,3.6vw,2.8rem);letter-spacing:-.025em;line-height:1.12;font-weight:800;max-width:760px}
.lede{max-width:640px;margin-top:18px;font-size:1.1rem}
section .lede{color:var(--muted)}
section.paper .lede{color:var(--paper-muted)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:48px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--ink-2)}
.card h3{font-size:1.1rem;margin-bottom:8px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:.95rem}
.card .k{font:600 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:14px}
section.paper .card{background:#fff;border-color:var(--paper-line)}
section.paper .card p{color:var(--paper-muted)}
section.paper .card .k{color:#0d7d54}

/* two-col rows */
.row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.row:first-of-type{border-top:0}
section.paper .row{border-color:var(--paper-line)}
.row h3{font-size:clamp(1.4rem,2.4vw,1.9rem);letter-spacing:-.02em;margin-bottom:12px}
.row p{color:var(--muted)}
section.paper .row p{color:var(--paper-muted)}
@media(max-width:820px){.row{grid-template-columns:1fr;gap:24px}}

/* steps */
.steps{counter-reset:s;display:grid;gap:0;margin-top:40px}
.step{display:grid;grid-template-columns:72px 1fr;gap:26px;padding:34px 0;border-top:1px solid var(--paper-line)}
.step::before{counter-increment:s;content:"0" counter(s);font:700 1.6rem var(--mono);color:#0d7d54}
.step h3{font-size:1.25rem;margin-bottom:6px}
.step p{color:var(--paper-muted);max-width:560px}

/* pricing table */
.pricing{margin-top:44px;border:1px solid var(--paper-line);border-radius:var(--radius);overflow:hidden;background:#fff}
.pricing .prow{display:grid;grid-template-columns:200px 1fr;border-top:1px solid var(--paper-line)}
.pricing .prow:first-child{border-top:0}
.pricing .prow>div{padding:24px 28px}
.pricing .prow>div:first-child{font-weight:700;background:#fafbfa;border-right:1px solid var(--paper-line)}
.pricing .prow .price{font:700 1.05rem var(--mono);color:#0d7d54;display:block;margin-bottom:4px}
@media(max-width:640px){.pricing .prow{grid-template-columns:1fr}.pricing .prow>div:first-child{border-right:0;border-bottom:1px solid var(--paper-line)}}

/* faq */
.faq{margin-top:44px;display:grid;gap:14px;max-width:820px}
.faq details{border:1px solid var(--paper-line);border-radius:var(--radius);background:#fff}
.faq summary{cursor:pointer;padding:20px 24px;font-weight:700;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font:700 1.2rem var(--mono);color:#0d7d54}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 24px 22px;color:var(--paper-muted)}

/* form */
.form-card{max-width:760px;margin:44px auto 0;background:#fff;border:1px solid var(--paper-line);border-radius:var(--radius);padding:38px}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.f-grid .full{grid-column:1/-1}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
label .req{color:#0d7d54}
.hint{font-size:.82rem;color:var(--paper-muted);margin-top:5px}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid #c9d2ce;border-radius:9px;font:15px var(--sans);background:#fff;color:var(--paper-text)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
textarea{min-height:120px;resize:vertical}
.hp{position:absolute;left:-6000px;top:auto}
@media(max-width:640px){.f-grid{grid-template-columns:1fr}}

/* stat band */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--ink-2)}
.band .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;padding:44px 24px}
.stat .n{font:700 1.7rem var(--mono);color:var(--accent);letter-spacing:-.02em}
.stat .l{color:var(--muted);font-size:.92rem;margin-top:4px}

/* footer */
footer.site{border-top:1px solid var(--line);padding:56px 0;color:var(--muted);font-size:.92rem}
footer .cols{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}
footer .legal{margin-top:28px;font:400 12px var(--mono)}
footer a:hover{color:var(--text)}

/* svg network motif */
.net{margin:56px auto 0;max-width:680px;opacity:.95}

/* --- v1.5 visual upgrade: gradient accents, glows, motion, graphics --- */
:root{--accent2:#4cc9f0}
.grad{background:linear-gradient(92deg,var(--accent) 5%,var(--accent2) 95%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero{isolation:isolate}
.hero .glow{position:absolute;left:50%;top:-140px;transform:translateX(-50%);width:940px;height:520px;border-radius:50%;background:radial-gradient(closest-side,rgba(83,214,160,.17),rgba(76,201,240,.08) 55%,transparent 78%);pointer-events:none;filter:blur(12px);z-index:-1}
.card{transition:.18s ease}
.card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 10px 30px -18px rgba(83,214,160,.45)}
a.card{display:block;color:inherit}
.btn.primary{background:linear-gradient(92deg,var(--accent),#43e0c2);border-color:transparent}
.stat .n{background:linear-gradient(92deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.flow path.anim,.net g[stroke] path{stroke-dasharray:7 7;animation:rpdash 1.5s linear infinite}
@keyframes rpdash{to{stroke-dashoffset:-28}}
@media (prefers-reduced-motion:reduce){.flow path.anim,.net g[stroke] path{animation:none}}
.viz{margin:64px auto 0;max-width:720px;opacity:.95}

/* --- modern nav: dropdowns + mobile --- */
.nav .links{align-items:center}
.dd{position:relative}
.dd>button{background:none;border:0;color:var(--muted);font:inherit;font-size:15px;cursor:pointer;display:flex;align-items:center;gap:5px;padding:8px 0}
.dd>button:hover{color:var(--text)}
.dd .car{font-size:10px;transition:.15s}
.dd.open .car{transform:rotate(180deg)}
.dd-panel{display:none;position:absolute;top:calc(100% + 10px);left:-16px;background:var(--ink-2);border:1px solid var(--line);border-radius:14px;padding:20px 22px;min-width:520px;grid-template-columns:1fr 1fr;gap:8px 34px;box-shadow:0 24px 60px -20px rgba(0,0,0,.6);z-index:60}
.dd-panel.one{min-width:260px;grid-template-columns:1fr}
.dd:hover .dd-panel,.dd.open .dd-panel,.dd:focus-within .dd-panel{display:grid}
.dd-panel a{display:block;padding:6px 0;font-size:14px;color:var(--muted);white-space:nowrap}
.dd-panel a:hover{color:var(--accent)}
.dd-h{display:block;font:600 10px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:4px 0 8px}
.dd-all{color:var(--text)!important;font-weight:600;margin-top:6px}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:10px;cursor:pointer;flex-direction:column;gap:4px}
.burger span{display:block;width:18px;height:2px;background:var(--text);transition:.2s}
body.nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .burger span:nth-child(2){opacity:0}
body.nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:920px){
 .nav .links{display:none}
 .burger{display:flex}
 .nav-cta{display:none}
 body.nav-open .nav .links{display:flex;flex-direction:column;align-items:flex-start;position:absolute;top:68px;left:0;right:0;background:var(--ink-2);border-bottom:1px solid var(--line);padding:18px 24px 26px;gap:2px;max-height:calc(100vh - 68px);overflow-y:auto}
 body.nav-open .dd-panel{position:static;min-width:0;box-shadow:none;border:0;padding:4px 0 4px 12px;background:none}
 body.nav-open .nav-cta{display:inline-flex;margin:14px 24px;position:absolute;top:calc(68px + 100%);}
}