/* Marea — cuaderno de ingeniería hidráulica. Papel cálido, tinta marina, cobre de teja. */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500&family=Schibsted+Grotesk:wght@400;500;600;700&display=swap');

:root{
  --paper:#ece7dc;--paper-2:#e2dccd;--card:#f5f2ea;
  --ink:#0f3345;--ink-2:#1b4a60;--sea:#236d82;--foam:#b4d8cf;--clay:#b4532d;--clay-d:#8f3f20;
  --line:rgba(15,51,69,.22);--line-d:rgba(236,231,220,.24);--muted:#4a6270;
  --serif:'Instrument Serif',Georgia,serif;--sans:'Schibsted Grotesk',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;
  --pad:clamp(20px,5vw,72px);--maxw:1360px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-weight:400;margin:0}
p{margin:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;padding:10px 16px;z-index:100;font:500 13px var(--mono);text-decoration:none}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.mono,.eyebrow{font:500 11px/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase}
.eyebrow{color:var(--clay);display:flex;align-items:center;gap:12px}
.eyebrow:before{content:"";width:28px;height:1px;background:currentColor}
.serif{font-family:var(--serif)}
em{font-style:italic;color:var(--clay)}

/* ---------- Barra de instrumentos + cabecera ---------- */
.strip{background:var(--ink);color:var(--foam);font:400 11px/1 var(--mono);letter-spacing:.08em}
.strip .wrap{display:flex;justify-content:space-between;gap:20px;padding-block:9px;white-space:nowrap;overflow:hidden}
.strip span+span:before{content:"/";margin-right:20px;opacity:.4}
.strip .grp{display:flex;gap:20px}
header.site{position:sticky;top:0;z-index:50;background:rgba(236,231,220,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:400 30px/1 var(--serif);letter-spacing:-.01em}
.brand svg{width:22px;height:28px}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:6px}
nav.main a{display:block;text-decoration:none;font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:10px 12px;position:relative}
nav.main a:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1px;background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .3s}
nav.main a:hover:after,nav.main a[aria-current="page"]:after{transform:scaleX(1)}
nav.main a[aria-current="page"]{color:var(--clay-d)}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;text-decoration:none;border:1px solid var(--ink);padding:13px 20px;font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:background .25s,color .25s,transform .25s}
.btn:hover{background:var(--clay);border-color:var(--clay)}
.btn svg{width:14px;height:14px;transition:transform .25s}
.btn:hover svg{transform:translate(3px,-3px)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.link{font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:4px}
.link:hover{color:var(--clay)}
.menu-btn{display:none;background:none;border:1px solid var(--ink);padding:9px 14px;font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink);cursor:pointer}
header.site .btn{padding:10px 16px}

/* ---------- Tipografía editorial ---------- */
.h-xl{font:400 clamp(64px,10.5vw,168px)/.84 var(--serif);letter-spacing:-.03em}
.h-lg{font:400 clamp(44px,6.2vw,96px)/.92 var(--serif);letter-spacing:-.02em}
.h-md{font:400 clamp(30px,3.4vw,48px)/1 var(--serif);letter-spacing:-.01em}
.lead{font-size:clamp(17px,1.5vw,20px);line-height:1.55;max-width:46ch;color:var(--ink-2)}
section{padding-block:clamp(64px,9vw,128px)}
.rule{border-top:1px solid var(--line)}
.fig{font:400 11px/1.5 var(--mono);color:var(--muted);letter-spacing:.04em;margin-top:10px}
.fig b{color:var(--clay);font-weight:500}

/* ---------- Recortes de imagen (una sola foto, varias lecturas) ---------- */
.crop{position:relative;overflow:hidden;background:var(--paper-2)}
.crop img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform-origin:var(--ox,50%) var(--oy,50%);transform:scale(var(--z,1));object-position:var(--ox,50%) var(--oy,50%);transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.crop:hover img{transform:scale(calc(var(--z,1) * 1.04))}

/* ---------- Inicio: héroe ---------- */
.hero{padding-block:clamp(36px,5vw,72px) 0}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:0 24px;align-items:start}
.hero-copy{grid-column:1/8;grid-row:1;padding-top:clamp(8px,3vw,40px);position:relative;z-index:2}
.hero h1{margin:26px 0 30px;font-size:clamp(60px,7.4vw,120px)}
.hero h1 .l2{display:block;margin-left:.9em}
.hero .actions{display:flex;align-items:center;gap:28px;margin-top:36px;flex-wrap:wrap}
.hero-media{grid-column:7/13;grid-row:1;position:relative}
.hero-media .crop{aspect-ratio:4/5.1;--z:1.5;--ox:78%;--oy:62%}
.plate{position:absolute;left:-56px;bottom:46px;background:var(--card);border:1px solid var(--ink);padding:16px 18px;width:min(250px,60%);box-shadow:8px 8px 0 var(--ink)}
.plate b{display:block;font:400 44px/1 var(--serif);margin:6px 0 2px;color:var(--ink)}
.plate small{font:400 11px/1.4 var(--mono);color:var(--muted)}
.hero-foot{margin-top:clamp(44px,6vw,80px);border-top:1px solid var(--ink);display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:22px 24px 26px 0;border-right:1px solid var(--line)}
.metric+.metric{padding-left:24px}
.metric:last-child{border-right:0}
.metric .n{font:400 clamp(40px,4.6vw,68px)/1 var(--serif);letter-spacing:-.02em;display:flex;align-items:baseline;gap:6px}
.metric .n small{font:500 12px var(--mono);color:var(--clay);letter-spacing:.06em}
.metric p{font-size:13px;line-height:1.45;color:var(--muted);margin-top:8px;max-width:26ch}

/* ---------- Ciclo (sticky) ---------- */
.cycle{background:var(--ink);color:var(--paper)}
.cycle .eyebrow{color:var(--foam)}
.cycle em{color:#e6935f}
.cycle-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,96px)}
.cycle-media{position:sticky;top:110px;align-self:start}
.cycle-media .crop{aspect-ratio:4/5;--z:2.3;--ox:92%;--oy:48%}
.cycle .fig{color:var(--foam);opacity:.8}
.steps{list-style:none;margin:36px 0 0;padding:0;counter-reset:s}
.steps li{display:grid;grid-template-columns:90px 1fr;gap:18px;padding:30px 0;border-top:1px solid var(--line-d);counter-increment:s}
.steps li:before{content:counter(s,decimal-leading-zero);font:400 64px/.9 var(--serif);color:#e6935f}
.steps h3{font:400 32px/1.05 var(--serif);margin-bottom:10px}
.steps p{color:#c6d6d3;max-width:52ch;font-size:15px}
.steps .spec{font:400 11px var(--mono);letter-spacing:.06em;color:var(--foam);margin-top:14px;display:flex;flex-wrap:wrap;gap:6px 18px}

/* ---------- Principios ---------- */
.principles{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,96px);align-items:start}
.pr-list{display:grid;gap:0}
.pr{display:grid;grid-template-columns:1fr 1.2fr;gap:30px;padding:28px 0;border-top:1px solid var(--ink)}
.pr:last-child{border-bottom:1px solid var(--ink)}
.pr h3{font:400 30px/1.05 var(--serif)}
.pr p{font-size:15px;color:var(--ink-2)}
.pr .mono{color:var(--clay);display:block;margin-bottom:10px}

/* ---------- Casos (teaser y página) ---------- */
.cases-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:48px;flex-wrap:wrap}
.cases-tease{display:grid;grid-template-columns:8fr 4fr;gap:24px}
.case-card{display:block;text-decoration:none;position:relative}
.case-card .crop{aspect-ratio:16/10}
.case-card.tall .crop{aspect-ratio:3/4}
.case-card h3{font:400 30px/1.05 var(--serif);margin:16px 0 6px}
.case-card:hover h3{color:var(--clay)}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{font:500 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--ink);padding:3px 8px}

/* ---------- Estimador ---------- */
.est{background:var(--paper-2);border-block:1px solid var(--line)}
.est-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,96px);align-items:center}
.est-card{background:var(--card);border:1px solid var(--ink);padding:clamp(22px,3vw,40px)}
.field{display:grid;gap:7px;margin-bottom:18px}
.field label,.field legend{font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:0}
.field input,.field select,.field textarea{width:100%;height:50px;border:1px solid var(--ink);border-radius:0;background:#fff;padding:0 14px;font:400 16px var(--sans);color:var(--ink)}
.field textarea{height:96px;padding:12px 14px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--clay);outline-offset:0}
.field .err{display:none;color:var(--clay-d);font:500 12px var(--mono)}
.field.bad input,.field.bad select,.field.bad textarea{border-color:var(--clay);background:#fbeee7}
.field.bad .err{display:block}
fieldset.field{border:0;margin:0 0 18px;padding:0}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{font:400 14px var(--sans);letter-spacing:0;text-transform:none;display:flex;align-items:center;gap:8px;border:1px solid var(--ink);background:#fff;padding:9px 14px;cursor:pointer}
.checks input{width:auto;height:auto;accent-color:var(--clay)}
.checks label:has(input:checked){background:var(--ink);color:#fff}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.out{margin-top:22px;border-top:1px dashed var(--ink);padding-top:20px}
.out .big{font:400 clamp(48px,6vw,84px)/1 var(--serif);letter-spacing:-.02em}
.out .big small{font:500 13px var(--mono);color:var(--clay);margin-left:8px;letter-spacing:.06em}
.out p{color:var(--ink-2);font-size:15px;margin-top:8px}

/* ---------- Cierre / CTA ---------- */
.cta{background:var(--clay);color:#fff;padding-block:clamp(56px,7vw,96px)}
.cta .wrap{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:end}
.cta em{color:#ffd9c2}
.cta .btn{background:#fff;color:var(--ink);border-color:#fff}
.cta .btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- Pie ---------- */
footer.site{background:var(--ink);color:var(--paper);padding-block:64px 28px}
.f-grid{display:grid;grid-template-columns:5fr 2fr 2fr 3fr;gap:40px;padding-bottom:48px;border-bottom:1px solid var(--line-d)}
.f-grid .brand{font-size:44px;color:#fff;margin-bottom:14px}
.f-grid p{color:#aac2c3;font-size:14px;max-width:34ch}
.f-grid h4{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--foam);margin-bottom:14px}
.f-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:14px}
.f-grid a{text-decoration:none;color:var(--paper)}
.f-grid a:hover{color:#e6935f}
.f-base{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font:400 11px var(--mono);color:#aac2c3;letter-spacing:.04em}
.f-base a{color:#aac2c3;opacity:.8}

/* ---------- Encabezado de páginas interiores ---------- */
.phead{padding-block:clamp(48px,6vw,96px) clamp(36px,5vw,64px);border-bottom:1px solid var(--ink)}
.phead .grid{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:end}
.phead h1{margin-top:22px}
.phead .lead{margin-bottom:8px}
.crumbs{font:400 11px var(--mono);letter-spacing:.08em;color:var(--muted);margin-bottom:34px;text-transform:uppercase}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--clay)}

/* ---------- Soluciones ---------- */
.sol{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,96px);padding-block:clamp(48px,6vw,88px);border-bottom:1px solid var(--line)}
.sol:nth-of-type(even) .sol-media{order:2}
.sol-media .crop{aspect-ratio:5/6}
.sol .num{font:400 clamp(80px,10vw,150px)/.8 var(--serif);color:var(--clay);display:block;margin-bottom:18px}
.sol h2{margin-bottom:20px}
.sol .lead{margin-bottom:28px}
table.spec{width:100%;border-collapse:collapse;font-size:14px;margin-top:6px}
table.spec th,table.spec td{text-align:left;padding:12px 0;border-top:1px solid var(--line);vertical-align:top}
table.spec th{font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;width:34%;color:var(--muted);padding-right:16px}
table.spec tr:last-child th,table.spec tr:last-child td{border-bottom:1px solid var(--line)}
.pump{background:var(--ink);color:var(--paper)}
.pump .eyebrow{color:var(--foam)}
.pump-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,96px);align-items:center}
.pump .est-card{background:#0b2736;border-color:var(--foam);color:var(--paper)}
.pump .field input[type=range]{height:auto;padding:0;background:none;border:0;accent-color:#e6935f}
.pump .field label{display:flex;justify-content:space-between}
.pump .field label output{color:#e6935f}
.gauge{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line-d)}
.gauge div{padding:22px;border-right:1px solid var(--line-d)}
.gauge div:last-child{border-right:0}
.gauge b{display:block;font:400 clamp(36px,4vw,60px)/1 var(--serif);color:#fff}
.gauge small{font:400 11px var(--mono);letter-spacing:.08em;color:var(--foam);text-transform:uppercase}
.gauge-note{font:400 12px/1.5 var(--mono);color:var(--foam);margin-top:14px;opacity:.85}
.curve{margin-top:26px;border:1px solid var(--line-d);padding:14px}
.curve svg{width:100%;height:auto;display:block}

/* ---------- Proceso / diagrama ---------- */
.diagram{background:var(--card);border:1px solid var(--ink);padding:clamp(10px,2vw,28px);margin-top:48px}
.diagram .tools{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.diagram svg{width:100%;height:auto;display:block;overflow:visible}
.diagram svg text{font-family:var(--mono);fill:var(--ink)}
.node{cursor:pointer;outline:none}
.node .hit{fill:transparent}
.node .bx{fill:var(--paper);stroke:var(--ink);stroke-width:1.5;transition:fill .25s}
.node:hover .bx,.node.on .bx{fill:var(--clay)}
.node .nm{font-size:11px;font-weight:500;letter-spacing:.06em;text-anchor:middle;transition:fill .2s}
.node:hover .nm,.node.on .nm{fill:#fff}
.node:focus-visible .bx{stroke:var(--clay);stroke-width:4}
.node.on .bx,.node:hover .bx{stroke:var(--clay-d)}
.pipe-base{fill:none;stroke-width:12;stroke-linecap:round}
.pipe-flow{fill:none;stroke:#fff;stroke-width:3;stroke-dasharray:2 14;stroke-linecap:round;animation:flow 1.2s linear infinite}
.diagram.paused .pipe-flow,.diagram.paused .drop{animation-play-state:paused}
@keyframes flow{to{stroke-dashoffset:-32}}
.drop{fill:var(--sea);animation:fall 1.6s ease-in infinite}
@keyframes fall{0%{transform:translateY(-14px);opacity:0}20%{opacity:1}100%{transform:translateY(46px);opacity:0}}
.detail{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,56px);margin-top:24px;padding-top:24px;border-top:1px dashed var(--ink)}
.detail h3{font:400 clamp(30px,3vw,44px)/1 var(--serif);margin:8px 0 12px}
.detail p{color:var(--ink-2);font-size:15px}
.dm{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--ink);align-self:start}
.dm div{padding:16px 18px;border-right:1px solid var(--line)}
.dm div:last-child{border-right:0}
.dm b{display:block;font:400 clamp(30px,3.4vw,48px)/1 var(--serif)}
.dm small{font:400 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.bars{display:grid;gap:18px;margin-top:40px}
.bar{display:grid;grid-template-columns:200px 1fr 70px;gap:18px;align-items:center;font-size:14px}
.bar .track{height:10px;background:var(--paper-2);border:1px solid var(--ink);position:relative;overflow:hidden}
.bar .track i{position:absolute;inset:0 auto 0 0;width:0;background:var(--clay);transition:width 1.4s cubic-bezier(.2,.7,.2,1)}
.bar.in .track i{width:var(--w)}
.bar b{font:500 13px var(--mono);text-align:right}
.two{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,96px);align-items:start}
.norm{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--ink)}
.norm div{padding:22px 24px 26px 0;border-bottom:1px solid var(--line)}
.norm div:nth-child(even){padding-left:24px;border-left:1px solid var(--line)}
.norm b{display:block;font:400 34px/1 var(--serif);margin-bottom:6px}
.norm p{font-size:14px;color:var(--ink-2)}

/* ---------- Casos ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;padding-block:26px}
.filters button{background:transparent;border:1px solid var(--ink);padding:9px 16px;font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink);cursor:pointer}
.filters button[aria-pressed="true"],.filters button:hover{background:var(--ink);color:#fff}
.case{display:grid;grid-template-columns:7fr 5fr;gap:clamp(24px,5vw,72px);padding-block:clamp(36px,5vw,64px);border-top:1px solid var(--ink)}
.case:nth-child(even){grid-template-columns:5fr 7fr}
.case:nth-child(even) .case-media{order:2}
.case[hidden]{display:none}
.case-media .crop{aspect-ratio:16/11}
.case h2{margin:14px 0 14px}
.case .where{font:400 12px var(--mono);color:var(--muted);letter-spacing:.06em;margin-bottom:6px}
.case .res{display:grid;grid-template-columns:repeat(3,1fr);margin-top:24px;border-top:1px solid var(--ink)}
.case .res div{padding:14px 12px 4px 0}
.case .res b{display:block;font:400 clamp(30px,3vw,44px)/1 var(--serif)}
.case .res small{font:400 10px/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-top:4px}
.case dl{margin:22px 0 0;display:grid;grid-template-columns:110px 1fr;gap:8px 16px;font-size:14px}
.case dt{font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--clay);padding-top:3px}
.case dd{margin:0;color:var(--ink-2)}
.disclaimer{font:400 12px/1.6 var(--mono);color:var(--muted);border-left:2px solid var(--clay);padding-left:14px;max-width:70ch;margin-top:30px}

/* ---------- Diagnóstico ---------- */
.dx{display:grid;grid-template-columns:6fr 6fr;gap:clamp(28px,5vw,80px);align-items:start;padding-block:clamp(40px,5vw,72px)}
.dx h2{margin-bottom:22px}
.result{background:var(--ink);color:var(--paper);padding:clamp(22px,3vw,40px);position:sticky;top:96px}
.result .eyebrow{color:var(--foam)}
.result h3{font:400 clamp(30px,3.2vw,44px)/1 var(--serif);margin:14px 0 20px}
.result .empty{color:#aac2c3;font-size:15px;max-width:40ch}
.rgrid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line-d);margin-bottom:22px}
.rgrid div{padding:14px 16px;border-right:1px solid var(--line-d)}
.rgrid div:last-child{border-right:0}
.rgrid b{display:block;font:400 clamp(26px,2.6vw,38px)/1 var(--serif);color:#fff}
.rgrid small{font:400 10px/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--foam);display:block;margin-top:4px}
.train{list-style:none;margin:0;padding:0;counter-reset:t}
.train li{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:baseline;padding:11px 0;border-top:1px solid var(--line-d);font-size:15px;counter-increment:t}
.train li:before{content:counter(t);font:500 12px var(--mono);color:#e6935f}
.train li span{font:400 11px var(--mono);color:var(--foam)}
.result .note{font-size:14px;color:#c6d6d3;margin-top:18px}
.result .btn{margin-top:22px;background:#fff;color:var(--ink);border-color:#fff}
.result .btn:hover{background:var(--clay);color:#fff;border-color:var(--clay)}
.confirm{display:none;border:1px solid var(--ink);background:var(--card);padding:28px;margin-top:20px}
.confirm.show{display:block}
.confirm .folio{font:500 12px var(--mono);letter-spacing:.1em;color:var(--clay)}
.confirm h3{font:400 36px/1 var(--serif);margin:10px 0}
.visit{background:var(--paper-2);border-top:1px solid var(--line)}
.visit-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(28px,5vw,80px)}
.contact-list{list-style:none;margin:28px 0 0;padding:0;border-top:1px solid var(--ink)}
.contact-list li{padding:16px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:120px 1fr;gap:12px;font-size:15px}
.contact-list .mono{color:var(--clay);padding-top:3px}

/* ---------- Revelado ---------- */
.rv{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.1s}.rv.d2{transition-delay:.2s}.rv.d3{transition-delay:.3s}

@media(max-width:1000px){
  .hero-copy{grid-column:1/-1;grid-row:auto}
  .hero-media{grid-column:1/-1;grid-row:auto;margin-top:36px}
  .hero-media .crop{aspect-ratio:4/4.4}
  .plate{left:12px;bottom:-24px}
  .hero-foot{grid-template-columns:1fr 1fr;margin-top:56px}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(3){padding-left:0;border-top:1px solid var(--line)}
  .metric:nth-child(4){border-top:1px solid var(--line)}
  .cycle-grid,.principles,.est-grid,.sol,.pump-grid,.two,.dx,.visit-grid,.phead .grid,.cta .wrap,.case,.case:nth-child(even),.detail{grid-template-columns:1fr}
  .cycle-media{position:static}
  .cycle-media .crop{aspect-ratio:16/10}
  .cases-tease{grid-template-columns:1fr}
  .sol:nth-of-type(even) .sol-media,.case:nth-child(even) .case-media{order:0}
  .result{position:static}
  .f-grid{grid-template-columns:1fr 1fr}
  .f-grid>div:first-child{grid-column:1/-1}
  .strip .grp:last-child{display:none}
}
@media(max-width:820px){
  .menu-btn{display:block}
  header.site .btn{display:none}
  nav.main{position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--ink);display:none}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;padding:12px var(--pad) 20px;gap:0}
  nav.main a{padding:14px 0;font-size:13px;border-bottom:1px solid var(--line)}
  nav.main a:after{display:none}
  .bar{grid-template-columns:1fr 60px}
  .bar .track{grid-column:1/-1;grid-row:2}
}
@media(max-width:560px){
  body{font-size:15px}
  .hero h1 .l2{margin-left:.4em}
  .plate{box-shadow:5px 5px 0 var(--ink);padding:12px 14px}
  .plate b{font-size:34px}
  .steps li{grid-template-columns:56px 1fr;gap:12px}
  .steps li:before{font-size:44px}
  .pr{grid-template-columns:1fr;gap:10px}
  .row2,.norm{grid-template-columns:1fr}
  .norm div:nth-child(even){padding-left:0;border-left:0}
  .case .res,.rgrid,.gauge,.dm{grid-template-columns:1fr}
  .case .res div{border-bottom:1px solid var(--line)}
  .rgrid div,.gauge div,.dm div{border-right:0;border-bottom:1px solid var(--line-d)}
  .dm div{border-bottom-color:var(--line)}
  .rgrid div:last-child,.gauge div:last-child,.dm div:last-child{border-bottom:0}
  .contact-list li{grid-template-columns:1fr;gap:2px}
  .f-grid{grid-template-columns:1fr}
  .train li{grid-template-columns:28px 1fr}
  .train li span{grid-column:2}
  .hero-foot{grid-template-columns:1fr}
  .metric,.metric+.metric{padding-left:0;border-right:0;border-top:1px solid var(--line)}
  .strip .grp:first-child span:nth-child(n+3){display:none}
  .diagram .svgscroll{overflow-x:auto}
  .diagram svg{min-width:820px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .pipe-flow,.drop{animation:none}
  .crop img{transition:none}
  .bar .track i{transition:none}
}