.smt-demo { scroll-margin-top: 100px; }
.segment-hero__cta .btn-outline { color: #18322f; }
.smt-demo > h2 { max-width: 850px; font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.15; }
.smt-demo > p { max-width: 850px; line-height: 1.7; }
.smt-demo__mission { padding: 18px 22px; border-left: 4px solid #a76b25; background: #f8f0e2; color: #42321d; border-radius: 0 12px 12px 0; }
.smt-demo { padding-bottom: 100px; }
.smt-demo__shell { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, 1fr); border: 1px solid #b9ccca; border-radius: 24px; overflow: hidden; margin-top: 28px; background: #f4f8f7; color: #18322f; box-shadow: 0 24px 70px #13202812; }
.smt-demo__chat { padding: 24px; min-width: 0; }
.smt-demo__status { font-size: .72rem; letter-spacing: .1em; font-weight: 700; }
.smt-demo__log { height: 340px; overflow-y: auto; overscroll-behavior: contain; padding: 12px 8px 12px 0; }
.smt-demo__message { padding: 18px; margin: 0 28px 16px 0; border-radius: 4px 18px 18px; background: white; border: 1px solid #d8e3df; line-height: 1.65; }
.smt-demo__message--user { margin-left: 45px; margin-right: 0; background: #183e37; color: white; border-radius: 18px 4px 18px 18px; }
.smt-demo__message p { margin: 8px 0; }
.smt-demo__message small { display: block; border-top: 1px solid #d8e3df; padding-top: 10px; color: #48635d; }
.smt-demo__choices { display: flex; flex-wrap: wrap; gap: 8px; padding: 18px 0; }
.smt-demo__choices .btn { white-space: normal; text-align: left; font-size: .8rem; min-height: 44px; color: #18322f; border-color: #95afa7; }
.smt-demo__choices button[aria-pressed=true] { background: #d3e9df; }
.smt-demo__panel { padding: 28px; background: #102d28; color: #eef7f1; display: flex; flex-direction: column; gap: 18px; }
.smt-demo__panel h3 { margin: 0 0 8px; font-size: 1.4rem; }
.smt-demo__metric { border: 1px solid #52736a; border-radius: 14px; padding: 16px; transition: background .2s, border-color .2s; }
.smt-demo__metric span, .smt-demo__metric strong { display: block; }
.smt-demo__metric strong { font-size: 2rem; margin-top: 8px; }
.smt-demo__metric.is-selected { border-color: #a2efb9; background: #254c3e; }
.smt-demo__evidence, .smt-demo__panel small { font-size: .85rem; line-height: 1.65; color: #c3d7ce; }
.smt-demo button:focus-visible, .smt-demo a:focus-visible { outline: 3px solid #bf771f; outline-offset: 4px; }
@media (max-width: 760px) { .smt-demo__shell { grid-template-columns: 1fr; } .smt-demo__chat, .smt-demo__panel { padding: 18px; } .smt-demo__message { margin-right: 12px; } .smt-demo__message--user { margin-left: 22px; margin-right: 0; } }
@media (prefers-reduced-motion: reduce) { .smt-demo__metric { transition: none; } }