/* AI Architect additions. Shared header, typography and theme stay unchanged. */
.architect-hero-note{font-size:14px;color:var(--ink-soft);margin-top:18px}
.architect-page .profile-facts>div:last-child strong{font-size:27px;line-height:1.45}
.architect-page .topic .architect-result{font-size:14px;margin-top:18px;color:var(--ink)}
.architect-technical{border-bottom:1px solid var(--border);margin-top:32px}
.architect-technical>summary{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;cursor:pointer;list-style:none;font-size:17px;font-weight:600}
.architect-technical>summary::-webkit-details-marker{display:none}
.architect-technical>summary>span{font-size:26px;font-weight:400;color:var(--accent-dark);transition:transform .2s}
.architect-technical[open]>summary>span{transform:rotate(45deg)}
.architect-technical-body{padding:0 0 28px}
.architect-technical-body>.section-note{margin:0 0 24px;max-width:85ch}
.architect-stack{display:grid;grid-template-columns:1fr 1fr;gap:24px 48px}
.architect-stack dt{font-size:16px;font-weight:600;margin-bottom:8px}
.architect-stack dd{font-size:15px;color:var(--ink-soft);line-height:1.7}
.architect-principle{display:grid;grid-template-columns:1fr 2fr;gap:40px;padding-top:32px;margin-top:16px}.architect-principle h3{font-size:22px}.architect-principle p{color:var(--ink-soft);font-size:16px}
.architect-page .contact-methods{font-style:normal}
@media(min-width:1101px) and (max-width:1280px){.architect-page .header-inner{gap:14px}.architect-page .logo{font-size:16px}.architect-page .nav{gap:16px}.architect-page .header-cta{padding-inline:12px}}
@media(max-width:760px){.architect-stack{grid-template-columns:1fr;gap:24px}.architect-principle{grid-template-columns:1fr;gap:0}.architect-page .profile-facts>div:last-child strong{font-size:24px}}
@media(max-width:560px){.architect-technical>summary{font-size:16px}.architect-hero-note{font-size:13px}}
@media(prefers-reduced-motion:reduce){.architect-technical>summary>span{transition:none}}

/* A single system: input → orchestration → verified output. */
.architect-system{margin-top:48px;padding:36px;background:radial-gradient(ellipse at 50% 0%,rgba(22,140,131,.2),transparent 70%),var(--inverse-bg);color:var(--on-dark);border:1px solid var(--border);border-radius:20px;overflow:hidden}
.system-heading{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:end;margin-bottom:32px}
.system-heading .eyebrow{color:var(--inverse-accent);font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.system-heading h3{font-size:clamp(25px,2.8vw,34px);line-height:1.2;margin:0;letter-spacing:-.025em}
.system-heading>p{font-size:15px;line-height:1.7;color:var(--on-dark-muted);max-width:45ch}
.system-path{display:grid;grid-template-columns:1fr 1.18fr 1fr;gap:26px;align-items:stretch}
.system-node{min-width:0;position:relative;padding:24px;border:1px solid rgba(203,216,221,.24);border-radius:14px;background:rgba(252,251,248,.035)}
.system-node+.system-node::before{content:'→';position:absolute;left:-23px;top:calc(50% - 15px);font-size:21px;color:var(--inverse-accent)}
.system-node--core{border-color:var(--inverse-accent);background:rgba(22,140,131,.14)}
.system-icon{width:28px;height:28px;display:block;margin-bottom:24px;color:var(--inverse-accent)}
.system-label{display:block;color:var(--on-dark-muted);font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.system-node h4{font-size:20px;line-height:1.3;letter-spacing:-.015em;margin-bottom:12px;font-weight:600}
.system-node p{font-size:14px;line-height:1.7;color:var(--on-dark-muted)}
.system-detail{display:block;margin-top:24px;padding-top:16px;border-top:1px solid rgba(203,216,221,.24);font-size:12px;line-height:1.8;color:var(--inverse-accent)}
.system-components{display:flex;flex-wrap:wrap;gap:6px;margin-top:22px}
.system-components li{font-size:12px;line-height:1.5;padding:5px 8px;background:rgba(252,251,248,.07);border-radius:5px;color:var(--on-dark)}
.system-controls{margin-top:28px;padding-top:24px;border-top:1px solid rgba(203,216,221,.24);display:flex;gap:24px;align-items:baseline}
.system-controls>p{font-size:12px;white-space:nowrap;color:var(--inverse-accent);font-weight:600}
.system-controls ul{display:flex;flex-wrap:wrap;gap:12px 24px}
.system-controls li{font-size:12px;color:var(--on-dark-muted);display:flex;align-items:center;gap:8px}
.system-controls li::before{content:'';display:block;width:4px;height:4px;border-radius:50%;background:var(--inverse-accent);flex:none}
@media(max-width:900px){.architect-system{padding:28px}.system-heading{gap:24px}.system-path{gap:20px}.system-node{padding:20px 16px}.system-node+.system-node::before{left:-19px}.system-node h4{font-size:18px}.system-controls{flex-direction:column;gap:12px}}
@media(max-width:680px){.system-heading{grid-template-columns:1fr;gap:16px}.system-path{grid-template-columns:1fr;gap:28px}.system-node{padding:24px}.system-node+.system-node::before{content:'↓';left:calc(50% - 7px);top:-29px}.system-icon{margin-bottom:16px}.system-controls ul{display:grid;grid-template-columns:1fr 1fr;gap:12px}.system-controls li{align-items:flex-start}.system-controls li::before{margin-top:7px}}
@media(max-width:400px){.architect-system{padding:22px 18px;border-radius:14px}.system-node{padding:20px}.system-controls ul{grid-template-columns:1fr}}