/* IoT e industria */
.iot{position:relative;isolation:isolate;overflow:hidden;background:var(--deeper);color:var(--plat);padding:clamp(90px,15vh,170px) 0;--accent:var(--sig);--fg:var(--plat);--fg2:#BACBC7;--rule:rgba(237,242,240,.2);--bg:var(--deeper);--bg2:#0B2A26}
.iot-bg{position:absolute;inset:-8% 0;z-index:-2;margin:0}
.iot-bg img{width:100%;height:100%;object-fit:cover;opacity:.3;transition:opacity 1.2s ease}
.iot::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(5,24,21,.95) 28%,rgba(5,24,21,.62))}
.iot h2{color:var(--plat)}
.iot-lead{max-width:56ch;color:var(--fg2);margin:18px 0 clamp(36px,6vh,60px)}
.iot-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(24px,4vw,64px);align-items:stretch}
.iot-uses{display:flex;flex-direction:column}
.iot-uses button{display:flex;justify-content:space-between;gap:14px;width:100%;padding:clamp(13px,1.6vh,18px) 0;background:none;border:0;border-top:1px solid var(--rule);color:var(--fg2);font:300 clamp(17px,1.5vw,21px)/1.25 var(--disp);text-align:left;cursor:pointer;transition:color .4s,padding .7s var(--out)}
.iot-uses button::after{content:"";width:7px;height:7px;margin-top:.55em;flex:none;border-radius:50%;background:var(--sig);opacity:0;transition:opacity .4s}
.iot-uses button:hover,.iot-uses button[aria-pressed="true"]{color:var(--plat);padding-left:10px}
.iot-uses button[aria-pressed="true"]::after{opacity:1}
.iot-panel{min-width:0;padding:clamp(18px,2.2vw,30px);border:1px solid var(--rule);border-radius:8px;background:rgba(5,24,21,.68);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.iot-top{display:flex;justify-content:space-between;gap:14px;align-items:baseline;flex-wrap:wrap}
.iot-top strong{font:300 clamp(19px,1.9vw,27px) var(--disp)}
.iot-state{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--sig)}
.iot-state i{width:7px;height:7px;border-radius:50%;background:currentColor;animation:pulse 2.4s ease-out infinite}
.iot-state.alert{color:#F1B66B}
#iotDesc{margin:8px 0 12px;color:var(--fg2);font-size:15px;min-height:3em;max-width:60ch}
#iotWave{display:block;width:100%;height:clamp(110px,18vh,170px)}
#iotWave .g{stroke:var(--rule);stroke-width:1;vector-effect:non-scaling-stroke}
#iotWave .lim{stroke:#F1B66B;stroke-dasharray:4 5;stroke-width:1;vector-effect:non-scaling-stroke;opacity:.8}
#iotLine{fill:none;stroke:var(--sig);stroke-width:1.6;vector-effect:non-scaling-stroke;transition:stroke .4s}
.iot-note{display:block;margin:6px 0 20px;font-size:12px;color:var(--fg2)}
.chain{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:0;list-style:none;margin:0;padding:0}
.chain::before{content:"";position:absolute;left:10%;right:10%;top:17px;height:1px;background:var(--rule)}
.chain::after{content:"";position:absolute;left:10%;top:15px;width:5px;height:5px;border-radius:50%;background:var(--sig);box-shadow:0 0 12px var(--sig);animation:chainRun 4.5s var(--io) infinite}
@keyframes chainRun{from{left:10%;opacity:0}8%{opacity:1}92%{opacity:1}to{left:90%;opacity:0}}
.chain button{position:relative;z-index:1;display:block;width:100%;padding:0 3px;background:none;border:0;color:var(--fg2);font:400 clamp(11.5px,1vw,13.5px)/1.25 var(--body);text-align:center;cursor:pointer;transition:color .4s}
.chain b{display:grid;place-items:center;width:34px;height:34px;margin:0 auto 9px;background:var(--deeper);border:1px solid var(--rule);border-radius:50%;font:400 11px var(--disp);transition:background-color .4s,color .4s,border-color .4s}
.chain button:hover,.chain button[aria-pressed="true"]{color:var(--plat)}
.chain button[aria-pressed="true"] b{background:var(--sig);border-color:var(--sig);color:var(--deeper)}
#chainDesc{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--rule);font-size:14.5px;color:var(--fg2);min-height:3.2em}
@media(max-width:900px){.iot-grid{grid-template-columns:1fr}.iot-uses{flex-direction:row;overflow-x:auto;gap:7px;scrollbar-width:none;margin:0 calc(var(--gut)*-1);padding:0 var(--gut)}.iot-uses button{width:auto;flex:none;padding:9px 14px!important;border:1px solid var(--rule);border-radius:20px;font-size:14px}.iot-uses button::after{display:none}.iot-uses button[aria-pressed="true"]{background:var(--sig);border-color:var(--sig);color:var(--deeper)}.chain b{width:30px;height:30px}}
@media(prefers-reduced-motion:reduce){.chain::after,.iot-state i{animation:none;opacity:0}}