/* Módulo 05: tarjeta de gas y humo y escena de alarma */
.gas-demo{scroll-margin-top:76px;padding-block:clamp(86px,9vw,142px);background:linear-gradient(150deg,#f4faf9 0%,#e5f2f0 100%);color:#17363a}
.gas-demo[hidden]{display:none}
.gas-demo-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.72fr);align-items:end;gap:clamp(35px,6vw,90px);margin-bottom:42px}
.gas-demo-intro h2{max-width:750px;margin:25px 0 0;font-size:clamp(51px,5.8vw,84px);line-height:.98;letter-spacing:-.07em}
.gas-demo-intro h2 em{font-style:normal;color:#0b918c}
.gas-demo-intro-side p{max-width:490px;margin:0 0 24px;color:#587578;font-size:17px;line-height:1.65}
.gas-trigger,.gas-reset{display:inline-flex;align-items:center;justify-content:space-between;gap:20px;min-height:52px;padding:0 22px;border:1px solid #0b918c;border-radius:999px;background:#0b918c;color:#fff;font:800 13px var(--body);cursor:pointer;box-shadow:0 12px 27px rgba(7,125,120,.2);transition:transform .2s,box-shadow .2s,background .2s}
.gas-trigger:hover,.gas-reset:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(7,125,120,.24)}
.gas-trigger:focus-visible,.gas-reset:focus-visible{outline:3px solid #0b918c;outline-offset:3px}
.gas-trigger:disabled{cursor:wait;opacity:.7;transform:none}
.gas-reset{border-color:#be514d;background:#fff;color:#aa3f3b;box-shadow:none}
.gas-trigger[hidden],.gas-reset[hidden]{display:none}
.gas-demo-workspace{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.8fr);gap:clamp(24px,3.2vw,47px);align-items:stretch}
.gas-sensor-scene{min-width:0;overflow:hidden;border:1px solid #bedbd8;border-radius:23px;background:#fff;box-shadow:0 24px 65px rgba(22,87,87,.11)}
.gas-scene-top,.gas-scene-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:52px;padding:0 22px;color:#277f7d;font-size:10px;font-weight:800;letter-spacing:.12em}
.gas-scene-top strong{color:#409889;font-size:9px}
.gas-scene-photo{position:relative;width:100%;aspect-ratio:1.34;overflow:hidden;background:#f4f3ef}
.gas-scene-photo>img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.gas-scene-bottom{justify-content:flex-start;min-height:58px;color:#527578;font-size:12px;letter-spacing:0;line-height:1.4}
.gas-flow-dot{flex:none;width:8px;height:8px;border-radius:50%;background:#24b18f;box-shadow:0 0 0 5px rgba(36,177,143,.11)}
.gas-sensor-scene.is-alarm .gas-flow-dot{background:#d8413b;box-shadow:0 0 0 5px rgba(216,65,59,.12)}
.gas-fire{position:absolute;right:7%;bottom:7%;display:flex;align-items:center;flex-direction:column;width:100px;opacity:0;transform:translateY(14px) scale(.8);transition:opacity .45s,transform .6s;pointer-events:none}
.gas-sensor-scene.is-active .gas-fire{opacity:1;transform:translateY(0) scale(1)}
.gas-fire svg{position:relative;z-index:1;width:54px;height:70px;filter:drop-shadow(0 4px 9px rgba(213,82,15,.4));transform-origin:50% 85%}
.gas-sensor-scene.is-active .gas-fire svg{animation:gas-flame-dance .65s ease-in-out infinite alternate}
.gas-flame-outer{fill:#f05c24}.gas-flame-inner{fill:#ffcb52}
.gas-fire-glow{position:absolute;z-index:0;top:36px;left:11px;width:80px;height:50px;border-radius:50%;background:radial-gradient(circle,rgba(255,142,37,.55),transparent 70%);filter:blur(8px)}
.gas-fire-label{position:relative;z-index:1;margin-top:-3px;padding:5px 7px;border-radius:4px;background:rgba(26,38,40,.81);color:#fff;font-size:7px;font-weight:900;letter-spacing:.08em;white-space:nowrap}
.gas-smoke i{position:absolute;z-index:2;left:81%;top:75%;width:26px;height:26px;border-radius:50%;background:rgba(84,91,94,.6);filter:blur(7px);opacity:0;pointer-events:none}
.gas-smoke i:nth-child(2){width:35px;height:35px;--delay:.38s}.gas-smoke i:nth-child(3){width:29px;height:29px;--delay:.75s}.gas-smoke i:nth-child(4){width:41px;height:41px;--delay:1.1s}.gas-smoke i:nth-child(5){width:24px;height:24px;--delay:1.45s}.gas-smoke i:nth-child(6){width:34px;height:34px;--delay:1.8s}.gas-smoke i:nth-child(7){width:23px;height:23px;--delay:2.15s}
.gas-sensor-scene.is-active .gas-smoke i{animation:gas-smoke-drift 2.7s ease-in-out infinite;animation-delay:var(--delay,0s)}
.gas-sensor-target{position:absolute;z-index:3;left:62%;top:41%;width:33px;height:33px;border:2px solid rgba(220,72,66,.8);border-radius:50%;opacity:0;transform:scale(.55);pointer-events:none}
.gas-sensor-scene.is-alarm .gas-sensor-target{animation:gas-sensor-signal 1.7s ease-out infinite}
@keyframes gas-flame-dance{from{transform:rotate(-5deg) scale(.96)}to{transform:rotate(5deg) scale(1.06)}}
@keyframes gas-smoke-drift{0%{left:81%;top:75%;opacity:0;transform:scale(.65)}18%{opacity:.68}68%{opacity:.62}100%{left:64%;top:42%;opacity:0;transform:scale(1.35)}}
@keyframes gas-sensor-signal{0%{opacity:.75;transform:scale(.55)}100%{opacity:0;transform:scale(3)}}
.gas-card-side{display:flex;align-items:stretch;flex-direction:column;min-width:0;padding:23px;border:1px solid #c8dfdd;border-radius:23px;background:radial-gradient(circle at 50% 20%,#effaf6,#fff 70%);box-shadow:0 24px 65px rgba(22,87,87,.09)}
.gas-card-side .demo-view-top{display:flex;justify-content:space-between;gap:15px;color:#5a9290;font-size:9px}
.gas-app-card{display:flex;flex-direction:column;width:min(100%,385px);min-height:254px;margin:auto auto 24px;overflow:hidden;border:2px solid rgba(0,150,136,.42);border-radius:15px;background:#fff;box-shadow:0 6px 19px rgba(17,92,89,.12);transition:border-color .35s,background .35s,box-shadow .35s}
.gas-card-head{display:flex;align-items:center;gap:9px;min-height:48px;padding:5px 11px;background:#e9f8f6;transition:background .35s}
.gas-card-icon{display:grid;flex:none;place-items:center;width:27px;height:27px;border-radius:7px;background:#00a99b;color:#fff}
.gas-card-icon svg{width:18px;height:18px}
.gas-card-identity{display:flex;flex:1;flex-direction:column;min-width:0;gap:2px}
.gas-card-identity strong{overflow:hidden;color:#23333b;font-size:12px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}
.gas-card-identity small{overflow:hidden;color:#758b90;font-size:9px;text-overflow:ellipsis;white-space:nowrap}
.gas-card-live{display:flex;align-items:center;flex-direction:column;gap:3px;color:#07978a;font-size:9px;font-weight:800}
.gas-card-live i{width:9px;height:9px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px rgba(0,153,136,.11)}
.gas-card-reading{display:flex;align-items:baseline;justify-content:center;gap:7px;margin:26px 0 8px;color:#2e7d32}
.gas-card-reading output{font-family:var(--body);font-size:clamp(70px,7.2vw,104px);font-weight:900;line-height:.95;letter-spacing:-.065em;font-variant-numeric:tabular-nums;transition:color .35s}
.gas-card-reading>span:last-child{font-size:18px;font-weight:800;opacity:.62}
.gas-card-warning{align-self:center;display:grid;place-items:center;width:27px;height:27px;border-radius:6px;background:#d32f2f;color:#fff;font-size:20px;font-weight:900}
.gas-card-warning[hidden]{display:none}
.gas-card-level{display:flex;justify-content:center}
.gas-level-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#edf6ed;color:#2e7d32;font-size:13px;font-weight:800;transition:background .35s,color .35s}
.gas-level-pill i{width:8px;height:8px;border-radius:50%;background:currentColor}
.gas-card-threshold{margin-top:auto;padding:17px 12px 19px;color:#819396;font-size:11px;text-align:center}
.gas-card-threshold strong{color:#5e7779}
.gas-app-card[data-level="trace"] .gas-card-reading,.gas-app-card[data-level="trace"] .gas-level-pill{color:#b7780c}
.gas-app-card[data-level="trace"] .gas-level-pill{background:#fff4df}
.gas-app-card[data-level="moderate"] .gas-card-reading,.gas-app-card[data-level="moderate"] .gas-level-pill{color:#d26a13}
.gas-app-card[data-level="moderate"] .gas-level-pill{background:#fff0df}
.gas-app-card.is-alarm{border-color:#d32f2f;background:#fff7f6;box-shadow:0 10px 30px rgba(211,47,47,.2),0 0 0 5px rgba(211,47,47,.08)}
.gas-app-card.is-alarm .gas-card-head{background:#ffe8e7}.gas-app-card.is-alarm .gas-card-icon{background:#d32f2f}.gas-app-card.is-alarm .gas-card-live,.gas-app-card.is-alarm .gas-card-reading,.gas-app-card.is-alarm .gas-level-pill{color:#d32f2f}.gas-app-card.is-alarm .gas-level-pill{background:#ffe5e4}
.gas-event{display:flex;align-items:flex-start;gap:11px;max-width:385px;width:100%;margin:0 auto;padding:15px 16px;border:1px solid #cce5df;border-radius:11px;background:#f4fbf8;color:#2d625a;transition:background .35s,border-color .35s,color .35s}
.gas-event-mark{display:grid;flex:none;place-items:center;width:22px;height:22px;border-radius:50%;background:#dcefe8;color:#228369;font-size:13px;font-weight:900}
.gas-event strong{font-size:13px}.gas-event p{margin:3px 0 0;color:#658582;font-size:11px;line-height:1.5}
.gas-event.is-alarm{border-color:#f0bbb6;background:#fff0ee;color:#a73732}.gas-event.is-alarm .gas-event-mark{background:#d32f2f;color:#fff}.gas-event.is-alarm p{color:#ad5c57}
.gas-demo-disclaimer{max-width:385px;margin:15px auto 0;color:#789391;font-size:11px;line-height:1.5}
.gas-demo-status{margin:22px 0 0;color:#537675;font-size:12px;font-weight:700;text-align:center}
@media(max-width:1050px){.gas-demo-intro,.gas-demo-workspace{grid-template-columns:1fr}.gas-demo-intro-side p{max-width:750px}.gas-card-side{min-height:390px}.gas-scene-photo{aspect-ratio:1.6}.gas-app-card{margin-block:25px}}
@media(max-width:600px){.gas-demo{padding-block:73px}.gas-demo-intro{gap:24px;margin-bottom:31px}.gas-demo-intro h2{font-size:clamp(48px,11vw,69px)}.gas-demo-intro-side p{font-size:15px}.gas-demo-workspace{gap:20px}.gas-scene-top,.gas-scene-bottom{padding-inline:14px;font-size:9px}.gas-scene-top strong{font-size:8px}.gas-scene-photo{aspect-ratio:1.05}.gas-fire{right:4%;bottom:5%;transform-origin:bottom right}.gas-card-side{min-height:0;padding:16px}.gas-card-side .demo-view-top{font-size:8px}.gas-app-card{min-height:255px;margin-block:22px}.gas-card-reading output{font-size:80px}.gas-demo-disclaimer{font-size:10px}}
@media(prefers-reduced-motion:reduce){.gas-sensor-scene.is-active .gas-fire svg,.gas-sensor-scene.is-active .gas-smoke i,.gas-sensor-scene.is-alarm .gas-sensor-target{animation:none}.gas-smoke i{opacity:0}.gas-sensor-scene.is-alarm .gas-sensor-target{opacity:.6;transform:scale(1)}.gas-trigger,.gas-reset,.gas-fire,.gas-app-card{transition:none}}