/* ============================================================
   INTERACTIVE MODULES — RIA + Configurator + Contact + About
   ============================================================ */
.demo-split{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.demo-copy h2{font-size:clamp(1.9rem,4.5vw,3.2rem);letter-spacing:-.035em;line-height:1.04}
.demo-copy p{margin-top:22px;color:var(--mist);max-width:46ch;font-size:1.05rem}
.demo-copy .demo-points{margin-top:30px;display:flex;flex-direction:column;gap:14px}
.demo-copy .demo-points li{list-style:none;display:flex;gap:14px;align-items:flex-start;font-size:.96rem;color:var(--mist)}
.demo-copy .demo-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cobalt);margin-top:8px;flex:none;box-shadow:0 0 10px var(--cobalt)}

.ria{background:var(--ink-soft);border:1px solid var(--line-strong);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;height:520px;box-shadow:0 40px 80px -30px rgba(0,0,0,.6)}
.ria-bar{display:flex;align-items:center;gap:14px;padding:16px 20px;border-bottom:1px solid var(--line)}
.ria-orb{width:34px;height:34px;border-radius:50%;position:relative;flex:none;background:radial-gradient(circle at 35% 30%,var(--cobalt-soft),var(--cobalt) 60%,#102a8a);box-shadow:0 0 0 0 rgba(43,91,255,.5);transition:box-shadow .4s var(--ease)}
.ria-orb::after{content:"";position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle at 65% 70%,rgba(255,77,46,.6),transparent 50%);opacity:0;transition:opacity .4s}
.ria-orb[data-state="thinking"]{animation:orbPulse 1.1s ease-in-out infinite}
.ria-orb[data-state="thinking"]::after{opacity:1}
@keyframes orbPulse{0%,100%{box-shadow:0 0 0 0 rgba(43,91,255,.5)}50%{box-shadow:0 0 0 10px rgba(43,91,255,0)}}
.ria-bar .ria-name{font-weight:600;font-size:.95rem}
.ria-bar .ria-name small{display:block;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--graphite);margin-top:2px}
.ria-bar .ria-live{margin-left:auto;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;color:var(--signal);display:flex;align-items:center;gap:7px}
.ria-bar .ria-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--signal);box-shadow:0 0 8px var(--signal);animation:pulse 2s infinite}
.ria-log{flex:1;overflow-y:auto;padding:22px 20px;display:flex;flex-direction:column;gap:14px}
.ria-log::-webkit-scrollbar{width:5px}
.ria-log::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:3px}
.ria-msg{display:flex}
.ria-msg.user{justify-content:flex-end}
.ria-bubble{max-width:80%;padding:12px 16px;border-radius:12px;font-size:.92rem;line-height:1.5}
.ria-msg.bot .ria-bubble{background:rgba(199,205,214,.06);border:1px solid var(--line);border-bottom-left-radius:3px}
.ria-msg.user .ria-bubble{background:var(--cobalt);color:#fff;border-bottom-right-radius:3px}
.ria-typing{display:inline-flex;gap:5px}
.ria-typing i{width:6px;height:6px;border-radius:50%;background:var(--mist);animation:typing 1.2s infinite}
.ria-typing i:nth-child(2){animation-delay:.2s}
.ria-typing i:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}
.ria-chips{display:flex;gap:8px;flex-wrap:wrap;padding:0 20px 12px}
.ria-chip{font-size:.74rem;padding:7px 13px;border:1px solid var(--line-strong);border-radius:20px;color:var(--mist);transition:all .3s var(--ease)}
.ria-chip:hover{border-color:var(--cobalt);color:var(--bone);background:rgba(43,91,255,.08)}
.ria-input{display:flex;gap:10px;padding:14px 16px;border-top:1px solid var(--line)}
.ria-input input{flex:1;background:rgba(199,205,214,.05);border:1px solid var(--line);border-radius:8px;padding:12px 14px;color:var(--bone);font-family:var(--display);font-size:16px;outline:none;transition:border-color .3s}
.ria-input input:focus{border-color:var(--cobalt)}
.ria-input button{width:46px;height:46px;border-radius:8px;background:var(--signal);color:var(--ink);display:grid;place-items:center;font-size:1.1rem;transition:transform .3s var(--ease)}
.ria-input button:hover{transform:translateY(-2px)}

/* Configurator */
.cfg-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;margin-bottom:40px}
.cfg-num{display:block;margin-bottom:18px;color:var(--graphite)}
.cfg-opts{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cfg-card{text-align:left;padding:20px;border:1px solid var(--line-strong);border-radius:4px;display:flex;flex-direction:column;gap:6px;transition:all .3s var(--ease);position:relative;overflow:hidden}
.cfg-card strong{font-size:1rem;font-weight:600}
.cfg-card span{font-size:.82rem;color:var(--graphite);line-height:1.45}
.cfg-card::after{content:"";position:absolute;top:14px;right:14px;width:16px;height:16px;border:1px solid var(--line-strong);border-radius:50%;transition:all .3s var(--ease)}
.cfg-card.on{border-color:var(--cobalt);background:rgba(43,91,255,.06)}
.cfg-card.on::after{background:var(--signal);border-color:var(--signal);box-shadow:0 0 12px var(--signal)}
.cfg-scale,.cfg-extras{display:flex;flex-direction:column;gap:10px}
.cfg-pill{text-align:left;padding:13px 16px;border:1px solid var(--line-strong);border-radius:4px;font-size:.9rem;transition:all .3s var(--ease);display:flex;justify-content:space-between;align-items:center}
.cfg-pill:hover{border-color:var(--mist)}
.cfg-pill.on{border-color:var(--cobalt);background:rgba(43,91,255,.08);color:var(--bone)}
.cfg-result{border:1px solid var(--line-strong);border-radius:6px;padding:30px;display:flex;flex-direction:column;gap:14px;background:var(--ink-soft)}
.cfg-r-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.cfg-amount{font-size:clamp(2.4rem,6vw,3.6rem);font-weight:600;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.cfg-cur{color:var(--signal);margin-left:4px}
.cfg-note{color:var(--graphite);font-size:.84rem;max-width:50ch}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:start}
.contact-info h2{font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.05}
.contact-info p{margin-top:20px;color:var(--mist);max-width:42ch}
.contact-lines{margin-top:34px;display:flex;flex-direction:column;gap:18px}
.contact-lines .cl{display:flex;gap:16px;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:16px}
.contact-lines .cl .k{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--graphite);min-width:90px}
.contact-lines .cl a{color:var(--bone);transition:color .3s}
.contact-lines .cl a:hover{color:var(--signal)}
.contact-form{background:var(--ink-soft);border:1px solid var(--line-strong);border-radius:6px;padding:34px;display:flex;flex-direction:column;gap:18px}
.contact-form label{display:flex;flex-direction:column;gap:8px;font-size:.84rem;color:var(--mist)}
.contact-form input,.contact-form textarea{background:rgba(199,205,214,.05);border:1px solid var(--line);border-radius:6px;padding:13px 15px;color:var(--bone);font-family:var(--display);font-size:16px;outline:none;transition:border-color .3s;resize:vertical}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--cobalt)}
.form-status{font-size:.86rem;color:var(--cobalt-soft);min-height:1.2em}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* About */
.about-hero{padding:180px 0 90px;border-bottom:1px solid var(--line)}
.about-hero h1{font-size:clamp(2.4rem,6.5vw,5rem);letter-spacing:-.04em;line-height:.98;max-width:18ch}
.about-hero .lead{margin-top:30px;max-width:56ch;color:var(--mist);font-size:clamp(1.05rem,1.8vw,1.3rem);line-height:1.65}
.about-cols{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.about-cols h2{font-size:clamp(1.6rem,3.5vw,2.4rem);line-height:1.08}
.about-cols .body p{color:var(--mist);line-height:1.75;margin-bottom:18px;font-size:1rem}
.about-facts{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:40px}
.fact{background:var(--ink);padding:26px 24px}
.fact .f-k{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--graphite);margin-bottom:10px;display:block}
.fact .f-v{font-size:1.05rem;font-weight:600}
.fact .f-v.gold{color:var(--gold)}

@media(max-width:900px){
  .demo-split,.cfg-grid,.contact-grid,.about-cols{grid-template-columns:1fr;gap:40px}
}
@media(max-width:560px){
  .cfg-opts{grid-template-columns:1fr}
  .ria{height:460px}
  .contact-form{padding:24px}
  .about-facts{grid-template-columns:1fr}
}