/* ELRU — shared design system (2026-07-05) — premium dark, indigo/cyan */
:root{
  --bg:#080b12; --bg2:#0c1119; --card:#121826; --card2:#161d2e;
  --ink:#eaf0fa; --mut:#8c9ab2; --line:#1e2842; --line2:#2a3860;
  --a1:#6d7bff; --a2:#22d3ee; --a-soft:rgba(109,123,255,.14); --glow:rgba(109,123,255,.35);
  --ok:#34d399;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.grad{background:linear-gradient(100deg,var(--a1),var(--a2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.center{text-align:center}
.mut{color:var(--mut)}

.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 24px;border-radius:12px;font-weight:650;font-size:.98rem;transition:.22s;cursor:pointer;border:0;font-family:inherit}
.btn-p{background:linear-gradient(100deg,var(--a1),var(--a2));color:#06101c;box-shadow:0 8px 30px -8px var(--glow)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px var(--glow)}
.btn-g{background:transparent;color:var(--ink);border:1px solid var(--line2)}
.btn-g:hover{border-color:var(--a1);background:var(--a-soft)}
.btn-sm{padding:9px 18px;font-size:.92rem}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(8,11,18,.72);backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em;font-size:1.28rem}
.mark{width:30px;height:30px;flex:0 0 30px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{color:var(--mut);font-size:.94rem;font-weight:550;transition:.18s}
.nav-links a:hover{color:var(--ink)}
/* nav CTA — readable on dark (subtle fill + border at rest, gradient on hover) */
.nav-links a.btn-p{background:var(--a-soft);border:1px solid var(--a1);color:#eef2ff;box-shadow:none;font-weight:650}
.nav-links a.btn-p:hover{background:linear-gradient(100deg,var(--a1),var(--a2));border-color:transparent;color:#06101c;transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:1px solid var(--line2);border-radius:9px;padding:8px 10px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:3px 0}
@media(max-width:780px){
  .nav-toggle{display:block}
  .nav-links{position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg2);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s}
  .nav-links.open{max-height:340px}
  .nav-links a{width:100%;padding:15px 24px;border-top:1px solid var(--line)}
  .nav-links a.btn{margin:14px 24px;width:auto;justify-content:center;border-top:0}
}

/* hero */
.hero{position:relative;padding:96px 0 70px;text-align:center}
.hero::before{content:"";position:absolute;top:-140px;left:50%;transform:translateX(-50%);width:780px;height:520px;max-width:120vw;background:radial-gradient(ellipse at center,var(--a-soft),transparent 68%);pointer-events:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border:1px solid var(--line2);border-radius:999px;font-size:.82rem;color:var(--mut);margin-bottom:26px;position:relative}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}
h1{font-size:clamp(2.2rem,5.6vw,3.9rem);line-height:1.05;letter-spacing:-.02em;font-weight:800;max-width:17ch;margin:0 auto 22px;position:relative}
.lede{font-size:clamp(1.05rem,2.4vw,1.26rem);color:var(--mut);max-width:58ch;margin:0 auto 36px;position:relative}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}
.hero-note{margin-top:16px;font-size:.86rem;color:var(--mut);position:relative}

/* trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.trust-in{display:flex;flex-wrap:wrap;gap:14px 34px;justify-content:center;align-items:center;padding:22px 24px}
.trust-in span{color:var(--mut);font-size:.9rem;font-weight:600;display:flex;align-items:center;gap:9px}

/* sections */
section{padding:84px 0}
.kicker{color:var(--a2);font-weight:700;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.center .kicker{text-align:center}
h2{font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.12;letter-spacing:-.02em;font-weight:780}
.center h2{margin-left:auto;margin-right:auto;max-width:22ch}
.sub{color:var(--mut);max-width:60ch;margin:16px auto 0;font-size:1.04rem}

/* offers grid */
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px}
@media(max-width:860px){.offers{grid-template-columns:1fr}}
.offer{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 26px;display:flex;flex-direction:column;transition:.25s}
.offer:hover{transform:translateY(-4px);border-color:var(--line2);box-shadow:0 20px 50px -22px #000}
.offer.lead{background:linear-gradient(180deg,var(--card2),var(--card));border-color:var(--line2)}
.oicon{width:46px;height:46px;border-radius:12px;background:var(--a-soft);border:1px solid var(--line2);display:grid;place-items:center;margin-bottom:20px}
.tag{align-self:flex-start;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--a2);background:var(--a-soft);border:1px solid var(--line2);padding:3px 9px;border-radius:6px;margin-bottom:14px}
.offer h3{font-size:1.22rem;margin-bottom:10px;letter-spacing:-.01em}
.offer p{color:var(--mut);font-size:.96rem;margin-bottom:16px}
.ck{list-style:none;margin:0 0 22px;padding:0}
.ck li{color:var(--ink);opacity:.9;font-size:.92rem;padding-left:24px;position:relative;margin:8px 0}
.ck li::before{content:"";position:absolute;left:0;top:8px;width:14px;height:9px;border-left:2px solid var(--a2);border-bottom:2px solid var(--a2);transform:rotate(-45deg)}
.price{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-weight:700;color:var(--ink)}
.price small{display:block;color:var(--mut);font-weight:500;font-size:.8rem;margin-top:3px}
.offer .btn{margin-top:18px}
.offer .tag{margin:12px 0 8px}
.offer-head{display:flex;align-items:center;gap:13px;margin-bottom:20px}
.offer-head .oicon{margin-bottom:0}
.offer-head .tag{margin:0}
.ck-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--a2);font-weight:700;margin:2px 0 9px}
.price-from{font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--mut);font-weight:700}
.price-num{font-size:1.55rem;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.price-unit{font-size:.9rem;color:var(--mut);font-weight:600}

/* how it works — premium numbered nodes */
.steps-line .step{transition:.25s}
.steps-line .step:hover{transform:translateY(-3px);border-color:var(--line2)}
.step-num{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:1.15rem;margin-bottom:18px;color:#06101c;background:linear-gradient(135deg,var(--a1),var(--a2));box-shadow:0 8px 22px -8px var(--glow)}
.steps-line .step::before{content:none}

/* founder — elevated */
.avatar-wrap{position:relative;width:84px;height:84px;margin-bottom:22px}
.avatar-wrap::before{content:"";position:absolute;inset:-7px;border-radius:24px;background:linear-gradient(135deg,var(--a1),var(--a2));opacity:.35;filter:blur(12px)}
.founder-card .avatar{position:relative;width:84px;height:84px;border-radius:20px;font-size:1.9rem;margin:0}
.founder-name{font-weight:800;font-size:1.3rem;letter-spacing:-.01em}
.founder-role{color:var(--mut);font-size:.94rem;margin-top:3px}
.cred-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:11px}
.cred-list li{position:relative;padding-left:26px;color:var(--ink);opacity:.92;font-size:.94rem}
.cred-list li::before{content:"";position:absolute;left:0;top:6px;width:15px;height:9px;border-left:2px solid var(--a2);border-bottom:2px solid var(--a2);transform:rotate(-45deg)}
.founder-meta{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);color:var(--mut);font-size:.82rem;line-height:1.55}
.founder-quote{border-left:2px solid var(--a1);padding:6px 0 6px 18px;margin:22px 0;color:var(--ink);font-size:1.05rem;font-style:italic;opacity:.92}

/* service packages */
.pkg-head{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--a2);font-weight:700;margin:0 0 16px}
.packages{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:860px){.packages{grid-template-columns:1fr}}
.pkg{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px 22px;display:flex;flex-direction:column}
.pkg.feature{background:linear-gradient(180deg,var(--card2),var(--card));border-color:var(--a1)}
.pkg-name{font-weight:700;font-size:1.08rem}
.pkg-price{margin:10px 0 16px;color:var(--ink)}
.pkg-price b{font-size:1.35rem;font-weight:800}
.pkg-price span{color:var(--mut);font-size:.85rem;font-weight:600}
.pkg ul{list-style:none;padding:0;margin:0 0 20px}
.pkg li{position:relative;padding-left:22px;color:var(--mut);font-size:.9rem;margin:8px 0;line-height:1.45}
.pkg li::before{content:"";position:absolute;left:0;top:6px;width:12px;height:8px;border-left:2px solid var(--a2);border-bottom:2px solid var(--a2);transform:rotate(-45deg)}
.pkg .btn{margin-top:auto}

/* request / brief */
.mic-btn{display:inline-flex;align-items:center;gap:8px;background:var(--a-soft);border:1px solid var(--line2);color:var(--a2);border-radius:10px;padding:9px 14px;cursor:pointer;font:inherit;font-size:.88rem;font-weight:650}
.mic-btn:hover{border-color:var(--a1)}
.mic-btn.rec{background:rgba(239,68,68,.14);border-color:#ef4444;color:#fca5a5}
.mic-btn.rec .mic-ico{animation:micpulse 1s infinite}
@keyframes micpulse{0%,100%{opacity:1}50%{opacity:.35}}
.field-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.mic-hint{font-size:.8rem;color:var(--mut);margin-top:7px}
.brief-result{background:var(--card);border:1px solid var(--line2);border-radius:16px;padding:28px}
.brief-box{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:20px 22px;white-space:pre-wrap;font-size:.95rem;line-height:1.65;color:var(--ink);margin:18px 0}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--mut)}
.consent input{width:auto;margin-top:3px}
label .req{color:var(--a2)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px;counter-reset:s}
@media(max-width:860px){.steps{grid-template-columns:1fr}}
.step{background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:28px 24px}
.step::before{counter-increment:s;content:"0" counter(s);font-weight:800;font-size:1.5rem;background:linear-gradient(100deg,var(--a1),var(--a2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:block;margin-bottom:12px}
.step h4{font-size:1.1rem;margin-bottom:8px}
.step p{color:var(--mut);font-size:.94rem}

/* founder */
.founder{background:linear-gradient(180deg,var(--bg2),var(--bg));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.founder-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:46px;align-items:center}
@media(max-width:820px){.founder-grid{grid-template-columns:1fr;gap:30px}}
.founder-card{background:var(--card);border:1px solid var(--line2);border-radius:20px;padding:34px}
.avatar{width:70px;height:70px;border-radius:16px;background:linear-gradient(135deg,var(--a1),var(--a2));display:grid;place-items:center;font-weight:800;font-size:1.6rem;color:#06101c;margin-bottom:20px}
.creds{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.creds span{font-size:.82rem;color:var(--mut);border:1px solid var(--line2);border-radius:8px;padding:6px 11px}

/* detail page blocks */
.page-head{padding:70px 0 30px;border-bottom:1px solid var(--line);background:rgba(12,17,25,.55);position:relative}
.page-head .kicker{text-align:left}
.crumb{color:var(--mut);font-size:.85rem;margin-bottom:16px}
.crumb a:hover{color:var(--ink)}
.svc{padding:70px 0;border-bottom:1px solid var(--line)}
.svc-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:start}
@media(max-width:860px){.svc-grid{grid-template-columns:1fr;gap:26px}}
.panel{background:var(--card);border:1px solid var(--line2);border-radius:18px;padding:30px}
.panel h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--a2);margin-bottom:16px}
.pill{display:inline-block;font-size:.78rem;color:var(--mut);border:1px solid var(--line2);border-radius:999px;padding:5px 12px;margin:0 6px 8px 0}
.big-price{font-size:1.5rem;font-weight:800}
.big-price small{display:block;font-size:.85rem;color:var(--mut);font-weight:500;margin-top:4px}

/* form */
form{margin-top:26px;display:grid;gap:16px;max-width:560px}
label{font-size:.9rem;color:var(--mut);display:block;margin-bottom:6px}
input,textarea,select{width:100%;background:var(--bg2);border:1px solid var(--line2);border-radius:11px;padding:13px 15px;color:var(--ink);font:inherit;font-size:.96rem}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--a1);box-shadow:0 0 0 3px var(--a-soft)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.row2{grid-template-columns:1fr}}

/* cta band */
.band{text-align:center;padding:90px 0}
.band-in{background:linear-gradient(120deg,var(--card2),var(--card));border:1px solid var(--line2);border-radius:24px;padding:56px 32px;position:relative;overflow:hidden}
.band-in::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,var(--a-soft),transparent 60%)}
.band-in>*{position:relative}
.band p{color:var(--mut);max-width:52ch;margin:16px auto 30px}
.band-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* footer */
footer{border-top:1px solid var(--line);padding:44px 0;color:var(--mut);font-size:.88rem}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot a:hover{color:var(--ink)}
.foot-links a{margin-left:16px}
@media(max-width:620px){.foot{flex-direction:column}.foot-links a{margin:0 16px 0 0}}
.foot-legal{margin-top:6px}
.foot-legal a{margin-left:14px}
@media(max-width:620px){.foot-legal a{margin:0 14px 0 0}}

/* AI hero core — animated neural network */
.hero{overflow:hidden}
/* full-page animated neural brain — fixed background behind all content */
html{background:var(--bg)}
body{background:transparent}
#ai-core{position:fixed;inset:0;width:100vw;height:100vh;z-index:-1;pointer-events:none;opacity:.5}
.hero .wrap{position:relative;z-index:1}
/* let the brain glow through the solid bands (cards stay opaque for readability) */
.trust{background:rgba(12,17,25,.6)}
.founder{background:linear-gradient(180deg,rgba(15,23,42,.6),rgba(10,14,23,.74))}
.band-section-soft{background:rgba(15,23,42,.55)!important}

/* hero — wider & animated */
.hero{padding:114px 0 86px}
.hero h1{max-width:22ch;font-size:clamp(2.4rem,6.2vw,4.5rem)}
.hero .lede{max-width:62ch}
@keyframes heroRise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes gradShift{to{background-position:200% center}}
@keyframes glowDrift{0%,100%{transform:translateX(-50%) scale(1);opacity:.95}50%{transform:translateX(-50%) scale(1.14);opacity:.72}}
@media (prefers-reduced-motion: no-preference){
  .hero .eyebrow{animation:heroRise .7s .05s both cubic-bezier(.2,.7,.2,1)}
  .hero h1{animation:heroRise .85s .16s both cubic-bezier(.2,.7,.2,1)}
  .hero .lede{animation:heroRise .85s .34s both cubic-bezier(.2,.7,.2,1)}
  .hero .hero-cta{animation:heroRise .85s .5s both cubic-bezier(.2,.7,.2,1)}
  .hero .hero-note{animation:heroRise .85s .64s both cubic-bezier(.2,.7,.2,1)}
  .hero h1 .grad{background:linear-gradient(100deg,#8b97ff,#22d3ee,#8b97ff,#22d3ee);background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:gradShift 5.5s linear infinite}
  .hero::before{animation:glowDrift 9s ease-in-out infinite}
}

/* cookie banner */
#cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:200;max-width:600px;margin:0 auto;
  background:var(--card2);border:1px solid var(--line2);border-radius:14px;padding:15px 18px;
  box-shadow:0 24px 60px -22px #000;display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:.9rem;color:var(--mut)}
#cookie-banner a{color:var(--a2)}
#cookie-banner .cb-actions{margin-left:auto}
#cookie-banner button{cursor:pointer;border:0;border-radius:9px;padding:9px 18px;font-weight:650;font-size:.85rem;font-family:inherit;background:linear-gradient(100deg,var(--a1),var(--a2));color:#06101c}

/* legal / prose pages */
.legal{max-width:820px;margin:0 auto;padding:56px 24px 20px}
.legal h2{text-align:left;font-size:1.45rem;margin:38px 0 12px;max-width:none}
.legal h3{font-size:1.05rem;margin:24px 0 8px;color:var(--a2)}
.legal p,.legal li{color:var(--mut);margin:10px 0;font-size:.98rem;line-height:1.7}
.legal ul{padding-left:20px;margin:8px 0}
.legal strong{color:var(--ink)}
.legal .updated{opacity:.75;font-size:.85rem}
.legal a{color:var(--a2)}
.callout{background:var(--card);border:1px solid var(--line2);border-left:3px solid var(--a1);border-radius:10px;padding:16px 18px;margin:18px 0;color:var(--ink);font-size:.94rem}

/* ELRU chat assistant */
#elru-chat-btn{position:fixed;right:20px;bottom:20px;z-index:210;display:flex;align-items:center;gap:9px;padding:12px 18px;border:0;border-radius:999px;cursor:pointer;font-family:inherit;font-weight:700;font-size:.95rem;color:#06101c;background:linear-gradient(100deg,var(--a1),var(--a2));box-shadow:0 12px 34px -8px var(--glow);transition:.2s}
#elru-chat-btn:hover{transform:translateY(-2px)}
#elru-chat-btn.hide{opacity:0;pointer-events:none;transform:scale(.9)}
#elru-chat{position:fixed;right:20px;bottom:20px;z-index:211;width:min(380px,calc(100vw - 32px));height:min(560px,calc(100vh - 100px));background:var(--card);border:1px solid var(--line2);border-radius:18px;box-shadow:0 30px 70px -20px #000;display:flex;flex-direction:column;overflow:hidden;opacity:0;pointer-events:none;transform:translateY(12px) scale(.98);transition:.22s}
#elru-chat.open{opacity:1;pointer-events:auto;transform:none}
.ec-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);background:var(--card2)}
.ec-title{font-weight:700;font-size:.98rem;display:flex;align-items:center;gap:9px}
.ec-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}
.ec-close{background:none;border:0;color:var(--mut);font-size:1.5rem;line-height:1;cursor:pointer;padding:0 4px}
.ec-close:hover{color:var(--ink)}
.ec-msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.ec-msg{max-width:85%;padding:10px 13px;border-radius:13px;font-size:.92rem;line-height:1.5;word-wrap:break-word;overflow-wrap:anywhere}
.ec-bot{align-self:flex-start;background:var(--bg2);border:1px solid var(--line);color:var(--ink)}
.ec-user{align-self:flex-end;background:linear-gradient(100deg,var(--a1),var(--a2));color:#06101c;font-weight:500}
.ec-typing{opacity:.6;letter-spacing:2px}
.ec-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.ec-form input{flex:1;background:var(--bg2);border:1px solid var(--line2);border-radius:11px;padding:11px 13px;color:var(--ink);font:inherit;font-size:.92rem}
.ec-form input:focus{outline:0;border-color:var(--a1);box-shadow:0 0 0 3px var(--a-soft)}
.ec-form button{border:0;border-radius:11px;width:42px;background:linear-gradient(100deg,var(--a1),var(--a2));color:#06101c;font-size:1.2rem;font-weight:800;cursor:pointer}
.ec-foot{padding:0 14px 12px;font-size:.72rem;color:var(--mut);text-align:center}
.ec-foot a{color:var(--a2)}