/* SteLink subpage — structural styles (self-contained since styles.css v3 rewrite) */
.aurora{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(42% 32% at 18% 8%,rgba(6,182,212,.13),transparent 70%),
             radial-gradient(42% 32% at 82% 16%,rgba(139,92,246,.13),transparent 70%),
             radial-gradient(36% 28% at 55% 90%,rgba(236,72,153,.09),transparent 70%)}
.aurora .blob,.aurora .grain{display:none}
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;
  max-width:1180px;margin:0 auto;padding:150px 4vw 80px;text-align:left}
.hero h1{font-family:var(--display);font-weight:700;font-size:clamp(38px,5.4vw,64px);
  line-height:1.04;letter-spacing:-.015em;margin:18px 0}
.lede{color:var(--muted);font-size:16.5px;max-width:540px}
.pill{display:inline-block;font-size:12.5px;padding:7px 14px;border:1px solid;border-radius:999px}
.hero-cta{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.btn-sm{padding:8px 16px;font-size:13.5px;border:1px solid var(--border-2);border-radius:12px}
.hero-trust{display:flex;gap:18px;margin-top:22px;color:var(--faint);font-size:13px;flex-wrap:wrap}
.brand-mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-weight:800;font-size:12px;color:#fff}
.brand-mark.sm{width:22px;height:22px;font-size:10px;border-radius:7px}
.brand-name{font-family:var(--display);font-weight:700;letter-spacing:.12em}
.glass{background:var(--panel);border:1px solid var(--border);border-radius:20px;backdrop-filter:blur(12px)}
.section{max-width:1180px;margin:0 auto;padding:70px 4vw}
.sec-head{max-width:660px;margin-bottom:40px}
.sec-head h2{font-family:var(--display);font-weight:700;font-size:clamp(30px,4.4vw,52px);
  letter-spacing:-.015em;margin:10px 0 12px}
.sec-head p{color:var(--muted)}
.kicker{font-family:var(--display);font-size:12.5px;letter-spacing:.3em;color:var(--faint);text-transform:uppercase}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card,.feat{padding:24px 22px}
.card .icon{width:42px;height:42px;border-radius:12px;background:var(--g);display:grid;place-items:center;font-size:19px;margin-bottom:14px}
.card h3,.feat h3{font-family:var(--display);font-size:17px;margin-bottom:8px}
.card p,.feat p{color:var(--muted);font-size:14px}
.feat-no{color:#a78bfa;margin-bottom:8px}
.cta-wrap{display:flex;justify-content:center;margin-top:30px}
.cta{padding:44px 48px;text-align:center;max-width:640px}
.cta h2{font-family:var(--display);font-size:clamp(26px,3.6vw,40px);margin-bottom:10px}
.cta p{color:var(--muted);margin-bottom:6px}
.footer{max-width:1180px;margin:40px auto 0;padding:30px 4vw 50px;border-top:1px solid var(--border);
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.foot-brand{display:flex;align-items:center;gap:9px;font-weight:700;font-family:var(--display)}
.foot-links{display:flex;gap:18px;margin-left:auto}
.foot-copy{width:100%;color:var(--faint);font-size:12.5px}
@media(max-width:980px){.hero{grid-template-columns:1fr;padding-top:120px}.grid{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}}
@media(max-width:600px){.grid{grid-template-columns:1fr}}

/* chat mockup extras */
.mock{padding:14px;border-radius:22px;border-color:var(--border-2);
  display:grid;grid-template-columns:56px 150px 1fr;gap:0;overflow:hidden;height:360px;
  box-shadow:0 30px 70px rgba(0,0,0,.55)}
.mock-rail{display:flex;flex-direction:column;align-items:center;gap:10px;padding:8px 0;border-right:1px solid var(--border)}
.md-dot{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:13px;color:#fff;
  background:rgba(255,255,255,.08);border:1px solid var(--border)}
.md-dot.add{color:#2bff88;border-style:dashed}
.mock-list{padding:12px 8px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:3px}
.mock-ch{font-size:13.5px;color:var(--muted);padding:7px 10px;border-radius:8px}
.mock-ch.on{background:rgba(255,255,255,.08);color:#fff}
.mock-chat{display:flex;flex-direction:column;justify-content:flex-end;gap:10px;padding:16px}
.mock-msg{font-size:13.5px;line-height:1.45}
.mock-msg b{color:#fff;font-weight:700;margin-right:6px}
.mock-msg span{color:var(--muted)}
.mock-msg.you b{color:#a78bfa}
.mock-msg.ai{background:rgba(88,101,242,.1);border:1px solid rgba(88,101,242,.25);padding:9px 12px;border-radius:12px}
.mock-msg.ai b{color:#7dd3fc}
.mock-input{margin-top:8px;display:flex;align-items:center;justify-content:space-between;
  background:rgba(255,255,255,.05);border:1px solid var(--border-2);border-radius:12px;padding:11px 14px;color:var(--faint);font-size:13.5px}
.mock-input i{font-style:normal;font-size:18px;color:var(--muted)}
@media(max-width:900px){.mock{height:320px;grid-template-columns:50px 130px 1fr}}
@media(max-width:560px){.mock{grid-template-columns:1fr;height:auto}.mock-rail{flex-direction:row;border-right:none;border-bottom:1px solid var(--border)}.mock-list{display:none}}