:root{
  --paper:#EFE8D4;
  --paper-2:#F6F1E2;
  --card:#FBF8EF;
  --line:#DCD3BA;
  --ink:#2B2B24;
  --ink-dim:#5E5B4E;
  --ink-faint:#8E8873;
  --green:#238246;
  --green-dark:#3E5C52;
  --green-deep:#2A4239;
  --green-tint:rgba(35,130,70,.10);
  --red:#BF1725;
  --red-tint:rgba(191,23,37,.10);
  --orange:#E0621E;
  --blue:#2F87C9;
  --head:'Poppins',system-ui,sans-serif;
  --sans:'Inter',system-ui,sans-serif;
  --lcd:'Share Tech Mono',ui-monospace,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);overflow:hidden}

/* papel reciclado: grão + fibras + manchas suaves */
.paper{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .36 0 0 0 0 .30 0 0 0 0 .18 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.38'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.012 .09' numOctaves='2' seed='7'/%3E%3CfeColorMatrix values='0 0 0 0 .42 0 0 0 0 .36 0 0 0 0 .22 0 0 0 .9 -.35'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23f)' opacity='.22'/%3E%3C/svg%3E"),
    radial-gradient(ellipse at 15% 10%,#fbf7ea 0,transparent 55%),
    radial-gradient(ellipse at 85% 90%,#e4dbc0 0,transparent 60%);
}
header,main,footer,dialog{position:relative;z-index:1}

/* ── header ── */
header{height:78px;display:flex;align-items:center;gap:22px;padding:10px 4vw;border-bottom:1px solid var(--line)}
.brand img{height:54px;display:block;mix-blend-mode:multiply}
.back{font:600 12px var(--sans);color:var(--green-dark);text-decoration:none;padding:7px 12px;border-radius:8px;background:var(--green-tint)}
.back:hover{background:rgba(35,130,70,.18)}
.toplabel{margin-left:auto;font:600 10px var(--sans);letter-spacing:3px;color:var(--ink-faint)}
.toplabel span{padding:0 14px;color:var(--green)}

button{font-family:inherit;color:var(--green-dark);background:transparent;border:1px solid var(--line);border-radius:8px;padding:11px 18px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s}
button:hover{border-color:var(--green);background:var(--green-tint)}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--green);outline-offset:4px}
button:disabled{opacity:.35;cursor:default}
button.icon{padding:8px 12px;font-size:15px}
.primary{background:var(--green);color:#fff;border:0;padding:15px 24px;box-shadow:0 6px 18px rgba(35,130,70,.28)}
.primary:hover{background:#1d6e3a;color:#fff}
.danger{background:var(--red);color:#fff;border:0}
.danger:hover{background:#9c111d;color:#fff}
.ghost{background:var(--card)}
.textbutton{border:0;text-decoration:underline;text-underline-offset:4px;color:var(--ink-dim);padding:8px 6px}
.textbutton:hover{background:none;color:var(--green)}

/* ── slides ── */
.slide{display:none;height:calc(100dvh - 78px - 64px);padding:4vh 6vw;overflow:auto}
.slide.active{display:block;animation:enter .5s ease}
.slide.hero.active,.slide.split.active{display:flex;align-items:center;gap:5vw}
@keyframes enter{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.eyebrow{font:600 11px var(--sans);color:var(--green);letter-spacing:3px;margin:0 0 18px}
h1,h2,h3,h4{font-family:var(--head);color:var(--green-deep)}
h1{font-size:clamp(36px,4vw,68px);font-weight:600;line-height:1.08;letter-spacing:-2px;margin:0 0 24px}
h2{font-size:clamp(28px,3.1vw,52px);font-weight:600;line-height:1.12;letter-spacing:-1.5px;margin:0 0 26px}
h2.compact{font-size:clamp(22px,2vw,32px);margin:0;letter-spacing:-.8px}
em{font-style:normal;color:var(--green)}
.lead{font-size:clamp(15px,1.2vw,19px);line-height:1.7;color:var(--ink-dim);max-width:620px}
.statement{font-size:clamp(17px,1.5vw,24px);color:var(--ink-dim);margin-top:34px}
.statement strong{color:var(--green-deep)}
.fine{display:block;margin-top:20px;color:var(--ink-faint);font-size:12px}

/* hero */
.hero-copy{width:52%}
.tags{margin-top:32px;color:var(--ink-faint);font-size:12px;letter-spacing:.5px}
.tags b{color:var(--green);margin:0 10px}
.hero-art{width:44%;height:480px;position:relative;display:grid;place-items:center}
.ring{position:absolute;border:1px solid rgba(62,92,82,.28);border-radius:50%}
.r1{width:420px;height:420px;border-style:dashed;animation:spin 50s linear infinite}
.r2{width:360px;height:360px;transform:rotateX(60deg) rotate(-25deg);border-color:rgba(35,130,70,.35)}
.r3{width:300px;height:300px;transform:rotateY(60deg)}
@keyframes spin{to{transform:rotate(360deg)}}
#machine{z-index:1;width:300px}
#machine img{width:100%;max-width:440px;max-height:370px;object-fit:contain;filter:drop-shadow(0 18px 24px rgba(42,66,57,.25))}
.hero-gauge svg{width:100%;filter:drop-shadow(0 22px 28px rgba(42,66,57,.28))}
.floating{position:absolute;padding:14px 18px;background:rgba(251,248,239,.9);border:1px solid var(--line);border-radius:12px;font-size:10px;letter-spacing:2px;color:var(--ink-faint);box-shadow:0 10px 24px rgba(60,50,20,.08);z-index:2}
.floating strong{display:inline-block;margin-top:6px;font:600 16px var(--head);letter-spacing:0;color:var(--green-deep)}
.floating i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--green-tint);margin-right:6px}
.f1{top:30px;left:0}.f2{bottom:60px;right:0}
.upload{position:absolute;bottom:0;left:0;font-size:12px;color:var(--ink-dim);cursor:pointer;border-bottom:1px dashed var(--ink-faint)}
.upload input{display:none}

/* princípio */
.flow,.three{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.flow article,.three article{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;box-shadow:0 2px 0 rgba(0,0,0,.02)}
.flow span{font:600 12px var(--sans);color:var(--green);letter-spacing:2px}
.flow h3,.three h3{margin:12px 0 8px;font-size:20px}
.flow p,.three p{color:var(--ink-dim);line-height:1.6;margin:0}
.wave{font-size:42px;color:var(--green);margin-top:16px}

/* ── dashboard ── */
.dash-slide{padding:2.4vh 3vw}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.dash-slide .section-head{margin-bottom:14px}
.dash-slide .eyebrow{margin-bottom:6px}
.controls{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.ctl-buttons{display:flex;gap:8px;flex-wrap:wrap}
.ctl-buttons button{padding:9px 14px;font-size:12px}
.live{font:600 10px var(--sans);letter-spacing:2px;color:var(--ink-faint)}
.live i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:6px;animation:pulse 1.4s infinite}
.alarm .live i{background:var(--red)}
@keyframes pulse{50%{opacity:.3}}
#status{font:700 12px var(--sans);color:var(--green);background:var(--green-tint);padding:8px 12px;border-radius:999px}
.alarm #status{color:var(--red);background:var(--red-tint)}

.board{background:linear-gradient(#ECE5CF,#E7DFC6);border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:inset 0 1px 0 #fff8,0 14px 30px rgba(70,60,30,.10)}
.board-bar{display:flex;align-items:center;gap:14px;padding:0 8px 8px;font-size:13px;color:var(--ink-dim)}
.board-bar img{height:28px;mix-blend-mode:multiply}
.board-bar b{color:var(--green-deep)}
.board-bar .textbutton{margin-left:auto;font-size:12px}
.row{display:grid;gap:10px;margin-bottom:10px}
.row:last-child{margin-bottom:0}
.r-top{grid-template-columns:repeat(3,.78fr) repeat(3,1.3fr)}
.r-mid{grid-template-columns:1fr 1fr 1.4fr 1.4fr}
.r-bot{grid-template-columns:1.4fr 1fr 1fr}
.card{background:var(--card);border:1px solid #E2DAC2;border-radius:10px;padding:12px 14px;box-shadow:0 1px 0 #fff inset,0 3px 10px rgba(80,65,30,.07);min-width:0;position:relative}
.card h4{margin:0 0 6px;font:600 14px var(--head);color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card h4 small{display:block;font:400 11px var(--sans);color:var(--ink-faint);margin-top:2px}
.therm .t-svg svg,.dial svg{display:block;width:100%;height:auto}
.dial{padding:6px}
.dial svg{max-height:min(200px,22vh)}
.therm svg{max-height:min(185px,20vh)}

.switch-box{margin:10px auto 4px;max-width:230px;background:linear-gradient(#E9E5D8,#DCD7C7);border:1px solid #BDB6A0;border-radius:6px;padding:10px 12px 12px;text-align:center;box-shadow:inset 0 1px 0 #fff9,0 2px 4px rgba(0,0,0,.08)}
.switch-title{font:500 22px var(--head);color:var(--ink);margin-bottom:8px}
.seg{display:flex;gap:8px;justify-content:center}
.seg span{flex:1;padding:6px 4px;border:1px solid #B9B29C;border-radius:5px;background:linear-gradient(#F7F4EA,#E6E1D2);font:600 13px var(--sans);color:var(--ink);transition:.3s}
.seg span.on.red{background:linear-gradient(#EE9B9B,#D86F6F);border-color:#B65353;color:#3a0b0b}
.seg span.on.green{background:linear-gradient(#8FD0A5,#5DAE79);border-color:#3F8A59;color:#0d2a17}
.seg span.on.alert{background:linear-gradient(#F07070,#C92A2A);border-color:#951818;color:#fff;animation:pulse 1s infinite}

.bpm .label{text-align:center;font:500 14px var(--sans);margin:8px 0 4px}
.bpm svg{display:block;width:100%;max-width:340px;margin:0 auto}

.events table{width:100%;border-collapse:collapse;font-size:12px}
.events th{text-align:left;font-weight:600;color:var(--ink-dim);padding:8px 6px;border-bottom:1px solid var(--line)}
.events td{padding:8px 6px;border-bottom:1px solid #EEE7D3}
.events tr.empty td{text-align:center;color:var(--ink-dim);padding:18px 0;font-size:13px}
.events .sev{display:inline-block;padding:2px 8px;border-radius:999px;font-weight:700;font-size:11px}
.sev.crit{background:var(--red-tint);color:var(--red)}
.sev.warn{background:rgba(224,98,30,.13);color:#B34C12}
.events tbody tr:not(.empty){animation:enter .4s ease}

.delay h4 .ico{color:var(--green-dark)}
.delay .big{text-align:center;color:var(--green);font:600 24px var(--head);margin:6px 0 2px}
.delay .big b{font-size:44px;font-weight:600;line-height:1;margin-right:6px}
.spark{width:100%;height:44px;display:block}
.upd{margin:4px 0 0;font-size:11px;color:var(--ink-faint)}

/* celular */
.phone-copy{width:50%}
.steps p{display:flex;gap:14px;align-items:center;color:var(--ink-dim);margin:12px 0}
.steps b{font:600 12px var(--sans);color:var(--green);border:1px solid var(--line);border-radius:999px;padding:5px 9px;background:var(--card)}
.steps{margin:24px 0 30px}
.phone{width:310px;height:600px;border-radius:44px;background:#1F2A26;padding:16px;position:relative;box-shadow:0 30px 60px rgba(42,66,57,.35),inset 0 0 0 2px #3a4a44;flex-shrink:0;color:#F2F0E4;display:flex;flex-direction:column}
.notch{width:110px;height:24px;background:#111;border-radius:0 0 16px 16px;position:absolute;top:0;left:50%;transform:translateX(-50%)}
.phone-time{text-align:center;font:600 12px var(--sans);margin-top:6px;opacity:.8}
.phone-app{font:600 10px var(--sans);letter-spacing:2px;opacity:.6;margin:18px 4px 10px}
.notification{background:var(--paper-2);color:var(--ink);border-radius:20px;padding:18px;flex:1;display:flex;flex-direction:column;gap:6px}
.alert-icon{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:700;background:var(--green-tint);color:var(--green)}
.alarm .alert-icon{background:var(--red-tint);color:var(--red)}
.notification small{font-size:9px;letter-spacing:2px;color:var(--ink-faint)}
.notification h3{margin:2px 0;font-size:19px}
.notification p{font-size:13px;line-height:1.5;color:var(--ink-dim);margin:0}
.phone-metric{display:flex;align-items:center;gap:12px;margin:auto 0 10px;padding:12px;border-radius:12px;background:var(--card);border:1px solid var(--line)}
.phone-metric strong{font:600 38px var(--head);color:var(--green)}
.alarm .phone-metric strong{color:var(--red)}
.phone-metric span{font-size:11px;color:var(--ink-faint)}
#ackText{font-size:12px;color:var(--green)}
.phone-disclaimer{text-align:center;font-size:10px;opacity:.55;margin-top:10px}

/* análise */
.metric{text-align:right}
.metric strong{font:600 54px var(--head);color:var(--green)}
.alarm .metric strong{color:var(--red)}
.metric span{display:block;font:600 10px var(--sans);letter-spacing:2px;color:var(--ink-faint)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.panel-title{font:600 11px var(--sans);letter-spacing:2px;color:var(--green-dark)}
.panel-title span{color:var(--ink-faint);margin-left:12px}
.chart-panel canvas{width:100%;height:min(38vh,340px);display:block;margin-top:10px}
.legend{display:flex;gap:22px;font-size:12px;color:var(--ink-dim);margin-top:8px;flex-wrap:wrap}
.legend .g{color:var(--green)}.legend .r{color:var(--red)}

/* OEE */
.oee{display:flex;gap:50px;align-items:center;margin-bottom:28px;flex-wrap:wrap}
.oee-num strong{display:block;font:600 clamp(56px,6vw,96px) var(--head);color:var(--green);line-height:1}
.oee-num span{font:600 11px var(--sans);letter-spacing:2px;color:var(--ink-faint)}
.oee-controls label{display:block;font-weight:600;color:var(--green-deep)}
.oee-controls output{color:var(--green);margin-left:8px}
.oee-controls input{display:block;width:min(380px,80vw);margin-top:10px;accent-color:var(--green)}
.oee-controls p{color:var(--ink-dim)}
.oee-controls small{color:var(--ink-faint)}

/* arquitetura */
.architecture{display:flex;align-items:stretch;gap:12px;flex-wrap:wrap}
.architecture>div{flex:1;min-width:170px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;border-top:4px solid var(--green)}
.architecture>div:nth-child(odd){border-top-color:var(--green-dark)}
.architecture .n{font:600 12px var(--sans);color:var(--green);letter-spacing:2px}
.architecture h3{margin:8px 0}
.architecture p{color:var(--ink-dim);line-height:1.6;margin:0}
.architecture>b{align-self:center;color:var(--green);font-size:24px}
.ml{margin-top:26px;background:var(--green-dark);color:#F2F0E4;border-radius:14px;padding:26px 30px}
.ml span{font:600 11px var(--sans);letter-spacing:2px;color:#a8c4bb}
.ml h3{color:#F2F0E4;margin:8px 0}
.ml p{color:#d7e2dc;line-height:1.6;margin:0;max-width:900px}

/* encerramento */
.closing{text-align:center}
.closing.active{display:flex!important;flex-direction:column;align-items:center;justify-content:center}
.closing h2{font-size:clamp(40px,5vw,84px)}
.closing .lead{margin:0 auto 26px}
.closing-tags{font:600 12px var(--sans);letter-spacing:3px;color:var(--green-dark);margin-bottom:30px}
.closing-tags span{color:var(--green);margin:0 10px}
.contact{margin-top:22px;color:var(--green);font-weight:600;text-decoration:none}

/* footer */
footer{height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 4vw;border-top:1px solid var(--line)}
#chapter{font:600 11px var(--sans);letter-spacing:2px;color:var(--green-dark);min-width:180px}
#dots{display:flex;gap:8px}
#dots button{width:9px;height:9px;padding:0;border-radius:50%;background:#CFC6AA;border:0}
#dots button.selected{background:var(--green);width:26px;border-radius:5px}
.nav{display:flex;align-items:center;gap:12px;font:600 12px var(--sans);color:var(--ink-dim)}

dialog{border:0;border-radius:14px;padding:16px;max-width:92vw;background:var(--card);box-shadow:0 30px 80px rgba(0,0,0,.35)}
dialog::backdrop{background:rgba(30,40,35,.55)}
dialog img{max-width:88vw;max-height:76vh;display:block;margin-top:10px;border-radius:8px}
dialog p{font-size:12px;color:var(--ink-faint);margin:8px 0 0}

/* responsivo */
@media (max-width:1300px){
  .r-top{grid-template-columns:repeat(3,1fr)}
  .r-mid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  body{overflow:auto}
  .toplabel{display:none}
  .slide{height:auto;min-height:calc(100dvh - 142px);padding:24px 16px}
  .slide.hero.active,.slide.split.active{flex-direction:column}
  .hero-copy,.hero-art,.phone-copy{width:100%}
  .hero-art{height:380px}
  .r1{width:320px;height:320px}.r2{width:280px;height:280px}.r3{width:240px;height:240px}
  #machine{width:240px}
  .flow,.three,.r-bot{grid-template-columns:1fr}
  .r-top,.r-mid{grid-template-columns:1fr 1fr}
  .architecture>b{display:none}
  #chapter{display:none}
  .events{overflow-x:auto}
}