:root{
  --ink:#0b0c10;
  --ink-2:#111319;
  --paper:#f5f3ee;
  --paper-2:#ece8df;
  --white:#fff;
  --muted:#6d6f73;
  --line:rgba(11,12,16,.12);
  --line-light:rgba(255,255,255,.12);
  --orange:#ff5a00;
  --orange-soft:#ff7a33;
  --blue:#3d8dff;
  --green:#28b67a;
  --purple:#8a6cff;
  --shadow:0 28px 80px rgba(20,18,15,.10);
  --max:1360px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;min-width:320px;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
button,input{font:inherit}
::selection{background:var(--orange);color:#fff}

.page-progress{position:fixed;left:0;top:0;z-index:999;width:0;height:3px;background:linear-gradient(90deg,var(--orange),#ff9f61);box-shadow:0 0 18px rgba(255,90,0,.4)}

.site-header{position:fixed;top:18px;left:50%;z-index:100;width:min(calc(100% - 32px),var(--max));min-height:66px;transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;gap:28px;padding:10px 14px 10px 20px;border:1px solid rgba(255,255,255,.11);border-radius:18px;background:rgba(11,12,16,.76);backdrop-filter:blur(22px) saturate(125%);box-shadow:0 18px 55px rgba(0,0,0,.18);transition:.25s ease}
.site-header.scrolled{top:8px;background:rgba(11,12,16,.94);border-color:rgba(255,255,255,.16)}
.brand{display:inline-flex;align-items:baseline;gap:13px;text-decoration:none;white-space:nowrap}
.brand-name{color:#fff;font-size:21px;font-weight:950;letter-spacing:-.045em}.brand-name span{color:var(--orange)}
.brand-sub{padding-left:13px;border-left:1px solid rgba(255,255,255,.18);color:#9ea1a8;font-size:10px;font-weight:750;letter-spacing:.1em;text-transform:uppercase}
.desktop-nav{display:flex;align-items:center;gap:5px}.desktop-nav a{position:relative;padding:10px 12px;border-radius:10px;color:#babdc4;text-decoration:none;font-size:12px;font-weight:750;transition:.2s ease}.desktop-nav a:hover,.desktop-nav a.active{color:#fff;background:rgba(255,255,255,.06)}.desktop-nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--orange)}
.menu-button{display:none;width:42px;height:42px;border:0;border-radius:11px;background:rgba(255,255,255,.07);cursor:pointer}.menu-button span{display:block;width:18px;height:1.5px;margin:5px auto;background:#fff;transition:.2s ease}.menu-button.open span:first-child{transform:translateY(3.3px) rotate(45deg)}.menu-button.open span:last-child{transform:translateY(-3.3px) rotate(-45deg)}
.mobile-menu{position:fixed;top:89px;left:16px;right:16px;z-index:99;display:none;padding:10px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(11,12,16,.97);box-shadow:0 20px 60px rgba(0,0,0,.28)}.mobile-menu.open{display:grid}.mobile-menu a{padding:15px;border-radius:11px;color:#d8d9dc;text-decoration:none;font-weight:750}.mobile-menu a:hover{background:rgba(255,255,255,.06);color:#fff}

.hero{position:relative;min-height:100vh;overflow:hidden;background:var(--ink);color:#fff}
.hero-noise{position:absolute;inset:0;opacity:.13;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E")}
.hero:before{content:"";position:absolute;width:720px;height:720px;right:-160px;top:-140px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,0,.20),rgba(255,90,0,.055) 35%,transparent 70%);filter:blur(10px)}
.hero:after{content:"";position:absolute;width:620px;height:620px;left:-230px;bottom:-300px;border-radius:50%;background:radial-gradient(circle,rgba(61,141,255,.16),transparent 68%)}
.hero-orbit{position:absolute;border:1px solid rgba(255,255,255,.055);border-radius:50%;pointer-events:none}.orbit-one{width:820px;height:820px;right:-200px;top:-160px}.orbit-two{width:1080px;height:1080px;right:-330px;top:-280px}
.hero-inner{position:relative;z-index:2;width:min(calc(100% - 48px),var(--max));min-height:calc(100vh - 72px);margin:auto;display:grid;grid-template-columns:1.02fr .98fr;gap:80px;align-items:center;padding:150px 0 100px}
.overline{margin:0;color:#ff8c52;font-size:11px;font-weight:850;letter-spacing:.17em;text-transform:uppercase}.overline.dark{color:#8a8075}.orange-text{color:var(--orange)!important}
.hero h1{max-width:790px;margin:19px 0 23px;font-size:clamp(58px,6.2vw,94px);line-height:.92;letter-spacing:-.07em;font-weight:800}.hero h1 span{color:var(--orange)}
.hero-intro{max-width:760px;margin:0;color:#b6b7bc;font-size:18px;line-height:1.72}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:12px;text-decoration:none;font-size:12px;font-weight:850;letter-spacing:.02em}.button-primary{background:var(--orange);color:#fff;box-shadow:0 12px 28px rgba(255,90,0,.22)}.button-primary:hover{background:#ff6b19}.button-ghost{border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.035);color:#e9e9eb}.button-ghost:hover{background:rgba(255,255,255,.08)}
.hero-proof{display:grid;grid-template-columns:repeat(3,max-content);gap:34px;margin-top:45px}.hero-proof>div{display:flex;align-items:center;gap:11px}.hero-proof strong{color:#fff;font-size:28px;letter-spacing:-.05em}.hero-proof span{color:#7f8289;font-size:10px;font-weight:800;line-height:1.35;text-transform:uppercase;letter-spacing:.06em}
.hero-system{position:relative;height:650px;min-width:0}.system-label{position:absolute;left:50%;top:22px;transform:translateX(-50%);color:#666970;font-size:10px;font-weight:850;letter-spacing:.18em}
.system-core{position:absolute;left:50%;top:50%;width:310px;height:310px;transform:translate(-50%,-50%);display:grid;place-items:center}.core-ring{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.09)}.ring-a{inset:0;animation:spin 22s linear infinite}.ring-a:before,.ring-a:after,.ring-b:before,.ring-c:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 18px var(--orange)}.ring-a:before{left:35px;top:46px}.ring-a:after{right:4px;top:142px;background:var(--blue);box-shadow:0 0 18px var(--blue)}.ring-b{inset:36px;animation:spinReverse 15s linear infinite}.ring-b:before{left:18px;bottom:32px;background:var(--green);box-shadow:0 0 18px var(--green)}.ring-c{inset:72px}.ring-c:before{right:18px;top:25px;background:var(--purple);box-shadow:0 0 18px var(--purple)}
.core-center{width:150px;height:150px;display:grid;place-content:center;text-align:center;border:1px solid rgba(255,90,0,.28);border-radius:50%;background:radial-gradient(circle,rgba(255,90,0,.12),rgba(255,255,255,.02));box-shadow:0 0 70px rgba(255,90,0,.07),inset 0 0 40px rgba(255,90,0,.035)}.core-center span{color:#72757b;font-size:8px;font-weight:900;letter-spacing:.18em}.core-center strong{margin-top:5px;font-size:17px;letter-spacing:.02em}.core-center small{margin-top:3px;color:#8a8d93;font-size:10px}
.system-node{position:absolute;min-width:150px;padding:15px 17px;border:1px solid rgba(255,255,255,.10);border-radius:15px;background:rgba(255,255,255,.035);backdrop-filter:blur(14px);box-shadow:0 20px 50px rgba(0,0,0,.16)}.system-node i{position:absolute;width:7px;height:7px;border-radius:50%}.system-node span{display:block;color:#777a81;font-size:9px;font-weight:850;letter-spacing:.11em;text-transform:uppercase}.system-node strong{display:block;margin-top:4px;font-size:15px}.node-data{left:0;top:154px}.node-data i{right:14px;top:17px;background:var(--purple);box-shadow:0 0 15px var(--purple)}.node-forecast{right:0;top:145px}.node-forecast i{left:14px;top:17px;background:var(--blue);box-shadow:0 0 15px var(--blue)}.node-order{right:20px;bottom:130px}.node-order i{left:14px;top:17px;background:var(--orange);box-shadow:0 0 15px var(--orange)}.node-stock{left:18px;bottom:118px}.node-stock i{right:14px;top:17px;background:var(--green);box-shadow:0 0 15px var(--green)}
.hero-bottom-line{position:absolute;z-index:4;left:50%;bottom:22px;width:min(calc(100% - 48px),var(--max));transform:translateX(-50%);display:flex;align-items:center;gap:16px;padding-top:18px;border-top:1px solid rgba(255,255,255,.09)}.hero-bottom-line span{color:var(--orange);font-size:9px;font-weight:900;letter-spacing:.16em}.hero-bottom-line strong{color:#9fa1a7;font-size:11px;letter-spacing:.04em}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes spinReverse{to{transform:rotate(-360deg)}}

.business-strip{width:min(calc(100% - 48px),var(--max));margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid var(--line);border-bottom:1px solid var(--line)}.business-strip article{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:35px 28px;border-right:1px solid var(--line);border-top:1px solid var(--line)}.business-strip b{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#e8e4dc;font-size:18px}.business-strip strong{display:block;font-size:14px}.business-strip span{display:block;margin-top:5px;color:var(--muted);font-size:12px;line-height:1.5}

.story-section,.module-shell,.closing-shell{width:min(calc(100% - 48px),var(--max));margin:0 auto}.story-section{padding:130px 0}.story-heading{display:grid;grid-template-columns:.8fr 1.4fr;column-gap:80px;align-items:start}.story-heading .overline{padding-top:12px}.story-heading h2{margin:0;font-size:clamp(45px,5vw,74px);line-height:.98;letter-spacing:-.055em}.story-heading h2 span{color:#898076}.story-heading>p:last-child{grid-column:2;max-width:820px;margin:24px 0 0;color:#626267;font-size:16px;line-height:1.8}
.flow-rail{position:relative;margin-top:72px;border-top:1px solid var(--line)}.flow-rail:before{content:"";position:absolute;left:93px;top:0;bottom:0;width:1px;background:linear-gradient(var(--line),rgba(255,90,0,.32),var(--line))}.flow-step{position:relative;display:grid;grid-template-columns:60px 72px 1fr 210px;gap:22px;align-items:center;min-height:185px;padding:26px 0;border-bottom:1px solid var(--line)}.flow-index{color:#9a9288;font-size:12px;font-weight:850}.flow-icon{position:relative;z-index:2;display:grid;place-items:center;width:56px;height:56px;border:7px solid var(--paper);border-radius:50%;background:#ded9cf}.flow-icon span{font-size:11px;font-weight:900}.data-icon{color:var(--purple)}.forecast-icon{color:var(--blue)}.rotar-icon{background:#ffd9c3;color:var(--orange)}.inventory-icon{color:var(--green)}.flow-kicker{margin:0 0 7px;color:#9a9288;font-size:9px;font-weight:900;letter-spacing:.15em}.flow-copy h3{margin:0;font-size:25px;letter-spacing:-.035em}.flow-copy>p:last-child{max-width:760px;margin:8px 0 0;color:#6b6b70;font-size:13px;line-height:1.7}.flow-answer{padding-left:20px;border-left:1px solid var(--line)}.flow-answer span{display:block;color:#aaa29a;font-size:9px;font-weight:900;letter-spacing:.12em}.flow-answer strong{display:block;margin-top:7px;font-size:14px;line-height:1.35}.highlight-step:after{content:"";position:absolute;left:-20px;right:-20px;inset-block:10px;z-index:-1;border-radius:20px;background:linear-gradient(90deg,rgba(255,90,0,.05),transparent)}
.feedback-loop{display:grid;grid-template-columns:62px 1fr;gap:18px;align-items:center;margin-top:32px;padding:25px 28px;border:1px solid rgba(40,182,122,.18);border-radius:18px;background:rgba(40,182,122,.055)}.loop-symbol{display:grid;place-items:center;width:50px;height:50px;border-radius:50%;background:rgba(40,182,122,.11);color:var(--green);font-size:27px}.feedback-loop strong{font-size:17px}.feedback-loop p{margin:5px 0 0;color:#676b69;font-size:13px;line-height:1.55}

.module{position:relative;padding:130px 0}.module-shell.wide{width:min(calc(100% - 48px),1480px)}.module-forecast{background:#fff}.module-rotar,.module-api{background:var(--ink);color:#fff}.module-inventory{background:#edf2ee}.module-intro{display:grid;grid-template-columns:.72fr 1.55fr;gap:72px;align-items:start}.module-intro .module-tag{grid-column:1}.module-intro h2{grid-column:2;margin:0;font-size:clamp(45px,5vw,72px);line-height:.98;letter-spacing:-.055em}.module-intro h2 em{font-style:normal;color:#8f8a83}.module-intro>p{grid-column:2;max-width:850px;margin:20px 0 0;color:#68686d;font-size:16px;line-height:1.75}.module-intro.light>p{color:#a7a9ae}.module-intro.light h2 em{color:#74777e}.module-tag{display:inline-flex;align-items:center;gap:10px;width:max-content;color:var(--blue);font-size:10px;font-weight:900;letter-spacing:.12em}.module-tag span{display:grid;place-items:center;width:30px;height:30px;border:1px solid currentColor;border-radius:50%;font-size:10px}.module-tag.orange{color:var(--orange)}.module-tag.green{color:var(--green)}.module-tag.purple{color:var(--purple)}

.forecast-stage{display:grid;grid-template-columns:1.35fr .65fr;gap:16px;margin-top:60px}.forecast-chart-wrap,.forecast-output-card{border:1px solid #e9e7e2;border-radius:24px;background:#fbfaf7}.forecast-chart-wrap{padding:25px 25px 18px}.chart-header{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:15px}.chart-header span{display:block;color:#96918b;font-size:9px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.chart-header strong{display:block;margin-top:4px;font-size:16px}.chart-legend{display:flex;align-items:center;gap:7px;color:#858585;font-size:10px}.chart-legend i{width:18px;height:2px}.legend-history{background:var(--blue)}.legend-forecast{border-top:2px dashed var(--orange)}.forecast-chart{display:block;width:100%;height:auto}.grid-lines line{stroke:#dedbd4;stroke-width:1}.history-line,.forecast-line{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.history-line{stroke:var(--blue)}.forecast-line{stroke:var(--orange);stroke-dasharray:8 8}.history-points circle{fill:#fff;stroke:var(--blue);stroke-width:3}.forecast-points circle{fill:#fff;stroke:var(--orange);stroke-width:3}.x-labels text{fill:#a3a09b;font-size:10px;text-anchor:middle;font-weight:700}
.forecast-output-card{padding:27px}.card-label{display:block;color:#99948e;font-size:9px;font-weight:900;letter-spacing:.14em}.forecast-meta{display:flex;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px solid #e6e3dc;font-size:12px}.forecast-meta span{color:#8b8882}.forecast-meta strong{font-size:12px}.forecast-days{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:18px 0}.forecast-days>div{padding:16px 8px;text-align:center;border-radius:14px;background:#f0ede6}.forecast-days span{display:block;color:#98938c;font-size:9px;font-weight:900}.forecast-days strong{font-size:27px;letter-spacing:-.04em}.forecast-days small{display:block;color:#a39f99;font-size:9px}.forecast-total{display:flex;justify-content:space-between;align-items:center;padding:17px;border-radius:14px;background:var(--ink);color:#fff}.forecast-total span{font-size:11px}.forecast-total strong{font-size:23px}.forecast-total small{color:#92959b;font-size:10px}.forecast-output-card>p{margin:14px 0 0;color:#8b8882;font-size:11px;line-height:1.55}
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:50px;background:#e8e4dc;border:1px solid #e8e4dc}.method-card{min-height:225px;padding:27px;background:#fff}.method-card>span{color:var(--blue);font-size:10px;font-weight:900}.method-card h3{margin:38px 0 9px;font-size:18px}.method-card p{margin:0;color:#727277;font-size:12px;line-height:1.7}

.rotar-equation{margin-top:60px;border:1px solid rgba(255,255,255,.11);border-radius:26px;overflow:hidden;background:#111218}.equation-head{display:flex;justify-content:space-between;align-items:center;padding:19px 24px;border-bottom:1px solid rgba(255,255,255,.09)}.equation-head span{color:var(--orange);font-size:9px;font-weight:900;letter-spacing:.14em}.equation-head strong{color:#b0b2b7;font-size:12px}.equation-grid{display:grid;grid-template-columns:1fr 38px 1fr 38px 1fr 38px 1fr;align-items:stretch}.equation-part{padding:28px 24px}.equation-part small{color:#70737a;font-size:8px;font-weight:900;letter-spacing:.15em}.equation-part strong{display:block;margin-top:10px;font-size:18px;line-height:1.2}.equation-part p{margin:8px 0 0;color:#8d9096;font-size:11px;line-height:1.6}.equation-part.accent{background:rgba(255,90,0,.07)}.equation-part.result{background:var(--orange)}.equation-part.result small,.equation-part.result p{color:#ffd6bf}.equation-part.result strong{font-size:21px}.equation-sign{display:grid;place-items:center;color:#656970;font-size:20px}
.rotar-logic-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:18px}.logic-card{position:relative;min-height:245px;padding:22px;border:1px solid rgba(255,255,255,.095);border-radius:18px;background:#101116}.logic-number{color:#55585f;font-size:9px;font-weight:900}.logic-icon{display:grid;place-items:center;width:40px;height:40px;margin-top:30px;border-radius:12px;background:rgba(255,90,0,.1);color:var(--orange);font-size:14px;font-weight:900}.logic-card h3{margin:18px 0 7px;font-size:15px}.logic-card p{margin:0;color:#7f8288;font-size:11px;line-height:1.6}
.worked-example{display:grid;grid-template-columns:1fr .72fr;gap:70px;align-items:center;margin-top:80px;padding:56px;border:1px solid rgba(255,90,0,.24);border-radius:28px;background:radial-gradient(circle at 10% 20%,rgba(255,90,0,.11),transparent 40%),#101116}.example-intro h3{margin:12px 0 16px;font-size:38px;line-height:1.04;letter-spacing:-.045em}.example-intro p{max-width:540px;margin:0;color:#97999f;font-size:14px;line-height:1.7}.example-calc{padding:25px;border:1px solid rgba(255,255,255,.1);border-radius:18px;background:#090a0d}.calc-row{display:flex;justify-content:space-between;gap:20px;padding:13px 2px;color:#9a9da3;font-size:12px}.calc-row strong{color:#fff;font-size:15px}.calc-row.plus span{color:#f7ba99}.calc-row.minus span{color:#9db6d8}.calc-divider{height:1px;margin:5px 0;background:rgba(255,255,255,.09)}.calc-row.subtotal{color:#fff;font-weight:800}.calc-result{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding:18px 18px;border-radius:14px;background:var(--orange)}.calc-result span{font-size:9px;font-weight:900;letter-spacing:.14em}.calc-result strong{font-size:31px;letter-spacing:-.04em}.calc-result small{font-size:11px}
.supplier-story{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start;margin-top:100px}.supplier-copy h3{margin:12px 0 16px;font-size:39px;line-height:1.04;letter-spacing:-.045em}.supplier-copy h3 span{color:var(--orange)}.supplier-copy>p:last-child{color:#9a9ca1;font-size:14px;line-height:1.75}.supplier-timeline{padding:28px;border:1px solid rgba(255,255,255,.10);border-radius:22px;background:#101116}.timeline-header{display:flex;justify-content:space-between}.timeline-header span{color:#696c72;font-size:9px;font-weight:900;letter-spacing:.13em}.timeline-header strong{font-size:13px}.timeline-days{position:relative;display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-top:33px}.timeline-days:before{content:"";position:absolute;left:7%;right:7%;top:26px;height:1px;background:#34363c}.day{position:relative;z-index:2;text-align:center}.day span{display:block;color:#6d7077;font-size:9px;font-weight:900}.day i{display:block;width:12px;height:12px;margin:13px auto 10px;border:3px solid #101116;border-radius:50%;background:#5a5d63;box-shadow:0 0 0 1px #35383e}.day small{display:block;color:#65686e;font-size:8px;line-height:1.3}.day.active i{background:var(--orange);box-shadow:0 0 0 1px var(--orange),0 0 18px rgba(255,90,0,.28)}.day.active small{color:#ff9460}.day.delivery i{background:var(--blue);box-shadow:0 0 0 1px var(--blue)}.day.delivery small{color:#74a9f6}.day.cover i{background:var(--green);box-shadow:0 0 0 1px var(--green)}.day.cover small{color:#65cba0}.supplier-timeline>p{margin:26px 0 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);color:#888b91;font-size:11px;line-height:1.65}
.supplier-parameters{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:22px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.09)}.param-card{min-height:190px;padding:24px;background:var(--ink)}.param-card span{color:var(--orange);font-size:9px;font-weight:900}.param-card strong{display:block;margin-top:32px;font-size:16px}.param-card p{margin:8px 0 0;color:#7d8086;font-size:11px;line-height:1.6}

.inventory-map{margin-top:60px;padding:26px;border:1px solid rgba(27,82,54,.13);border-radius:24px;background:rgba(255,255,255,.66)}.inventory-map-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.inventory-map-head span{color:#6f8077;font-size:9px;font-weight:900;letter-spacing:.13em}.inventory-map-head strong{font-size:14px}.inventory-chain{display:grid;grid-template-columns:1fr 30px 1fr 30px 1fr 30px 1fr 30px 1fr;gap:6px;align-items:center;margin-top:22px}.inventory-chain>div{padding:18px;border-radius:15px;background:#fff}.inventory-chain>div span{display:block;color:#83a291;font-size:8px;font-weight:900}.inventory-chain>div strong{display:block;margin-top:8px;font-size:15px}.inventory-chain>div small{color:#8b9690;font-size:9px}.inventory-chain>i{color:#a9b6af;text-align:center;font-style:normal}.inventory-chain .abc-node{background:#173a2a;color:#fff}.inventory-chain .abc-node small{color:#91b8a3}
.inventory-workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}.inventory-stage{min-height:215px;padding:23px;border:1px solid rgba(27,82,54,.10);border-radius:18px;background:rgba(255,255,255,.70)}.inventory-stage>span{display:grid;place-items:center;width:30px;height:30px;border:1px solid #9fc2ad;border-radius:50%;color:#4c8d69;font-size:9px;font-weight:900}.inventory-stage h3{margin:30px 0 8px;font-size:16px}.inventory-stage p{margin:0;color:#708078;font-size:11px;line-height:1.65}.inventory-stage.final{background:#183c2b;color:#fff}.inventory-stage.final>span{border-color:#6aa486;color:#83c9a2}.inventory-stage.final p{color:#8eb5a1}
.inventory-comparison{display:grid;grid-template-columns:1fr .55fr 1fr;gap:12px;align-items:stretch;margin-top:65px}.comparison-side,.comparison-center{padding:34px;border-radius:23px}.comparison-side{border:1px solid rgba(27,82,54,.11);background:rgba(255,255,255,.72)}.comparison-side>span,.comparison-center>span{color:#7b8a82;font-size:9px;font-weight:900;letter-spacing:.13em}.comparison-side h3{margin:14px 0 27px;font-size:24px}.comparison-side>strong{font-size:57px;letter-spacing:-.06em}.comparison-side>strong small{font-size:13px}.comparison-side p{margin:18px 0 0;color:#75827b;font-size:11px;line-height:1.6}.comparison-side.real{background:#173b2a;color:#fff}.comparison-side.real>span{color:#7fba99}.comparison-side.real p{color:#91b5a2}.comparison-center{display:flex;flex-direction:column;justify-content:center;text-align:center;border:1px dashed #aebcb4}.scanner-line{height:1px;margin:22px 0;background:linear-gradient(90deg,transparent,var(--green),transparent);box-shadow:0 0 14px rgba(40,182,122,.3)}.comparison-center strong{font-size:14px;line-height:1.45}.comparison-center b{color:var(--green);font-size:22px}
.inventory-message{margin-top:20px;padding:30px;border-left:4px solid var(--green);background:rgba(255,255,255,.66)}.inventory-message>span{color:#4a8464;font-size:9px;font-weight:900;letter-spacing:.13em}.inventory-message h3{max-width:1050px;margin:10px 0 8px;font-size:27px;line-height:1.2;letter-spacing:-.03em}.inventory-message p{max-width:980px;margin:0;color:#6d7872;font-size:13px;line-height:1.65}

.api-architecture{display:grid;grid-template-columns:1fr 80px 1fr 80px 1fr 80px 1fr;align-items:center;margin-top:70px}.api-layer{min-height:190px;padding:24px;border:1px solid rgba(255,255,255,.10);border-radius:20px;background:#101116}.api-layer span{display:block;color:#65686f;font-size:8px;font-weight:900;letter-spacing:.14em}.api-layer strong{display:block;margin-top:43px;font-size:22px}.api-layer small{display:block;margin-top:6px;color:#777a80;font-size:10px}.source-layer{box-shadow:inset 0 3px 0 var(--purple)}.protocol-layer{box-shadow:inset 0 3px 0 #5a8dff}.normalize-layer{box-shadow:inset 0 3px 0 #27b985}.consume-layer{box-shadow:inset 0 3px 0 var(--orange)}.api-connector{text-align:center}.api-connector i{display:block;height:1px;background:linear-gradient(90deg,transparent,#42454b,transparent)}.api-connector span{display:block;margin-top:8px;color:#55585e;font-size:8px;font-weight:900;letter-spacing:.12em}
.api-data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:42px}.api-data-card{min-height:230px;padding:25px;border:1px solid rgba(255,255,255,.09);border-radius:18px;background:#101116}.api-data-card>span{color:var(--purple);font-size:9px;font-weight:900;letter-spacing:.13em}.api-data-card h3{margin:37px 0 10px;font-size:18px}.api-data-card p{margin:0;color:#7d8086;font-size:11px;line-height:1.65}.api-principles{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:16px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.09)}.api-principles>div{min-height:140px;padding:22px;background:var(--ink)}.api-principles strong{display:block;font-size:13px}.api-principles span{display:block;margin-top:8px;color:#787b81;font-size:10px;line-height:1.55}

.closing-section{padding:130px 0;background:#fff}.closing-shell{padding:70px 58px;border-radius:32px;background:var(--ink);color:#fff;box-shadow:0 36px 100px rgba(15,14,12,.18);text-align:center}.closing-shell h2{margin:16px auto 18px;font-size:clamp(48px,6vw,82px);line-height:.94;letter-spacing:-.06em}.closing-shell h2 span{color:var(--orange)}.closing-copy{max-width:860px;margin:0 auto;color:#9b9da3;font-size:16px;line-height:1.75}.closing-formula{display:grid;grid-template-columns:1fr 28px 1fr 28px 1fr 28px 1fr 28px 1.25fr;gap:5px;align-items:stretch;margin-top:48px}.closing-formula>div{padding:20px 12px;border:1px solid rgba(255,255,255,.08);border-radius:14px;background:#111218}.closing-formula span{display:block;color:#676a70;font-size:8px;font-weight:900;letter-spacing:.12em}.closing-formula strong{display:block;margin-top:7px;font-size:14px}.closing-formula>i{display:grid;place-items:center;color:#5f6268;font-style:normal}.closing-formula .closing-result{border-color:rgba(255,90,0,.3);background:rgba(255,90,0,.10)}.closing-result span{color:#ff8950}.closing-goals{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:26px}.closing-goals span{padding:10px 13px;border:1px solid rgba(255,255,255,.09);border-radius:999px;color:#85888e;font-size:9px;font-weight:800}
.site-footer{width:min(calc(100% - 48px),var(--max));margin:0 auto;padding:28px 0 38px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#84817b;font-size:10px}.footer-brand .brand-name{color:var(--ink)}.footer-brand .brand-sub{border-color:var(--line);color:#8e8a84}.site-footer p{margin:0}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}.reveal.visible{opacity:1;transform:none}

@media(max-width:1180px){
  .hero-inner{grid-template-columns:1fr;gap:10px;padding-top:150px}.hero-copy{max-width:900px}.hero-system{height:560px;max-width:800px;width:100%;margin:auto}.business-strip{grid-template-columns:repeat(2,1fr)}
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  .rotar-logic-grid{grid-template-columns:repeat(3,1fr)}.supplier-story{grid-template-columns:1fr}.inventory-workflow{grid-template-columns:repeat(2,1fr)}.api-architecture{grid-template-columns:1fr}.api-connector{padding:12px}.api-connector i{width:1px;height:28px;margin:auto;background:#42454b}.api-data-grid,.api-principles{grid-template-columns:repeat(2,1fr)}.closing-formula{grid-template-columns:1fr}.closing-formula>i{min-height:20px}
}

@media(max-width:900px){
  .desktop-nav{display:none}.menu-button{display:block}.site-header{min-height:62px}.brand-sub{display:none}.hero-inner{width:min(calc(100% - 30px),var(--max));padding-top:125px}.hero h1{font-size:58px}.hero-system{height:500px}.system-core{width:260px;height:260px}.system-node{min-width:135px}.node-data{left:0}.node-forecast{right:0}.node-order{right:0}.node-stock{left:0}.hero-proof{gap:18px}.hero-bottom-line{width:calc(100% - 30px);bottom:16px}
  .business-strip,.story-section,.module-shell,.module-shell.wide,.closing-shell,.site-footer{width:min(calc(100% - 30px),var(--max))}.story-section,.module{padding:90px 0}.flow-step{grid-template-columns:42px 62px 1fr}.flow-answer{grid-column:3;padding:0;border:0}.flow-rail:before{left:73px}.forecast-stage,.worked-example,.inventory-comparison{grid-template-columns:1fr}.method-grid{grid-template-columns:repeat(2,1fr)}.equation-grid{grid-template-columns:1fr}.equation-sign{min-height:30px}.supplier-parameters{grid-template-columns:repeat(2,1fr)}.inventory-chain{grid-template-columns:1fr}.inventory-chain>i{transform:rotate(90deg)}.closing-shell{padding:55px 28px}
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@media(max-width:600px){
  .hero h1{font-size:48px}.hero-intro{font-size:15px}.hero-proof{grid-template-columns:1fr;gap:12px}.hero-system{height:430px}.system-core{width:220px;height:220px}.ring-b{inset:27px}.ring-c{inset:54px}.core-center{width:120px;height:120px}.system-node{min-width:115px;padding:11px 12px}.system-node strong{font-size:12px}.node-data{top:85px}.node-forecast{top:90px}.node-order{bottom:68px}.node-stock{bottom:68px}.hero-bottom-line strong{font-size:9px}
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}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.ring-a,.ring-b{animation:none}}