:root{
  --navy:#16284F; --navy-deep:#0A1730; --ink:#070C16;
  --teal:#11857F; --teal-bright:#16B6AD; --aqua:#5FE6DA;
  --red:#E23B2E; --paper:#F3F6F8; --paper-2:#E7EEF2;
  --white:#fff; --muted:#5E6B7E;
  --line:rgba(22,40,79,.12);
  --shadow:0 40px 80px -30px rgba(10,23,48,.45);
  --display:'Sora',sans-serif; --body:'Inter',sans-serif; --mono:'Space Mono',monospace;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--teal);color:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--teal);font-weight:700;display:inline-flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:30px;height:2px;background:currentColor;display:inline-block}
.eyebrow.center{justify-content:center}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.04;letter-spacing:-.025em;color:var(--navy)}
.section{padding:140px 0;position:relative}

/* kinetic words */
.kin{display:inline-block;overflow:hidden;vertical-align:top}
.kin>span{display:inline-block;transform:translateY(110%);transition:transform 1s var(--ease)}
.kin.in>span{transform:translateY(0)}
.kin.d1>span{transition-delay:.05s}.kin.d2>span{transition-delay:.13s}.kin.d3>span{transition-delay:.21s}
.kin.d4>span{transition-delay:.29s}.kin.d5>span{transition-delay:.37s}.kin.d6>span{transition-delay:.45s}

/* reveal */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}
.reveal.d4{transition-delay:.4s}.reveal.d5{transition-delay:.5s}
.fade{opacity:0;transition:opacity 1.1s var(--ease)} .fade.in{opacity:1}

/* ---------- loader ---------- */
#loader{position:fixed;inset:0;z-index:1000;background:var(--ink);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:26px;transition:opacity .8s var(--ease),visibility .8s}
#loader.done{opacity:0;visibility:hidden}
#loader img{width:min(280px,60vw);filter:brightness(0) invert(1);opacity:0;animation:logoIn 1.1s var(--ease) .15s forwards}
#loader.tealize img{filter:none}
@keyframes logoIn{0%{opacity:0;transform:translateY(18px) scale(.96)}100%{opacity:1;transform:none}}
.load-bar{width:min(220px,50vw);height:2px;background:rgba(255,255,255,.14);overflow:hidden;border-radius:2px}
.load-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--aqua));animation:loadFill 1.4s var(--ease) .2s forwards}
@keyframes loadFill{to{width:100%}}

/* ---------- nav ---------- */
header.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:20px 0;transition:background .5s var(--ease),padding .5s var(--ease),box-shadow .5s}
header.nav.scrolled{background:rgba(243,246,248,.78);backdrop-filter:blur(16px) saturate(1.2);padding:13px 0;box-shadow:0 1px 0 var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:13px}
.brand img{height:38px;width:auto}
.brand .txt{font-family:var(--display);font-weight:800;font-size:18px;letter-spacing:.01em;color:var(--navy);line-height:1}
.brand .txt span{display:block;font-family:var(--mono);font-weight:400;font-size:9px;letter-spacing:.4em;color:var(--teal);margin-top:3px}
nav.links{display:flex;gap:36px;align-items:center}
nav.links a{font-size:14.5px;font-weight:500;color:var(--navy);opacity:.8;position:relative;transition:opacity .3s;cursor:pointer}
nav.links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--teal);transition:width .4s var(--ease)}
nav.links a:hover{opacity:1}nav.links a:hover::after{width:100%}
.nav-cta{background:var(--navy);color:#fff!important;padding:11px 24px;border-radius:100px;font-weight:600;opacity:1!important;transition:transform .35s var(--ease),box-shadow .35s}
.nav-cta::after{display:none}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px -10px rgba(10,23,48,.5)}
.menu-btn{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.menu-btn span{width:24px;height:2px;background:var(--navy);display:block;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;background:radial-gradient(120% 90% at 75% 10%,#16335f 0%,#0E1F40 45%,#070C16 100%);color:#fff;overflow:hidden;display:flex;align-items:center}
#airflow{position:absolute;inset:0;width:100%;height:100%;opacity:.6;pointer-events:none}
.hero-glow{position:absolute;width:820px;height:820px;border-radius:50%;background:radial-gradient(circle,rgba(23,182,174,.30),transparent 60%);top:-220px;right:-180px;filter:blur(18px);pointer-events:none;animation:floatGlow 16s ease-in-out infinite alternate}
@keyframes floatGlow{to{transform:translate(-70px,90px) scale(1.14)}}
.hero .wrap{position:relative;z-index:3;display:grid;grid-template-columns:1.02fr .98fr;gap:30px;align-items:center;width:100%;padding-top:90px}
.hero-eyebrow{color:var(--aqua)}
.hero h1{color:#fff;font-size:clamp(42px,6vw,84px);font-weight:800;margin:26px 0 26px;letter-spacing:-.035em}
.hero h1 .accent{color:var(--aqua)}
.hero p.lead{font-size:clamp(16px,1.35vw,19px);color:rgba(255,255,255,.82);max-width:480px;margin-bottom:38px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;padding:16px 30px;border-radius:100px;cursor:pointer;border:none;transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .3s;font-family:var(--body)}
.btn-primary{background:var(--teal-bright);color:#04221e}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 40px -14px rgba(23,182,174,.6)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:#fff;transform:translateY(-3px)}
.btn .arr{transition:transform .4s var(--ease)}.btn:hover .arr{transform:translateX(5px)}
.hero-stats{display:flex;gap:42px;margin-top:54px;flex-wrap:wrap}
.hstat .num{font-family:var(--display);font-weight:800;font-size:34px;color:#fff;line-height:1}
.hstat .lab{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-top:8px}
.hero-unit{position:relative;display:flex;justify-content:center;will-change:transform}
.hero-unit .ring{position:absolute;inset:2% -6%;border:1px dashed rgba(95,230,218,.28);border-radius:50%;animation:spin 50s linear infinite}
.hero-unit .ring2{position:absolute;inset:14% 6%;border:1px solid rgba(95,230,218,.12);border-radius:50%;animation:spin 70s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-unit img{position:relative;z-index:2;filter:drop-shadow(0 50px 60px rgba(0,0,0,.55));opacity:0;animation:unitIn 1.4s var(--ease) .5s forwards}
@keyframes unitIn{0%{opacity:0;transform:translateY(50px) scale(.92)}100%{opacity:1;transform:none}}
.scroll-hint{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:4;font-family:var(--mono);font-size:10px;letter-spacing:.26em;color:rgba(255,255,255,.5);text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:10px}
.scroll-hint .bar{width:1px;height:40px;background:linear-gradient(rgba(95,230,218,.9),transparent);animation:drop 1.9s ease-in-out infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- marquee ---------- */
.marquee{background:var(--navy);color:#fff;padding:22px 0;overflow:hidden;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.marquee-track{display:flex;gap:50px;width:max-content;animation:scrollX 26s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{font-family:var(--display);font-weight:700;font-size:clamp(20px,2.4vw,30px);letter-spacing:-.01em;display:inline-flex;align-items:center;gap:50px;color:rgba(255,255,255,.92)}
.marquee span::after{content:"";width:9px;height:9px;border-radius:50%;background:var(--teal-bright)}
@keyframes scrollX{to{transform:translateX(-50%)}}

/* ---------- story ---------- */
.story{background:var(--paper);overflow:hidden}
.story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}
.story h2{font-size:clamp(32px,4vw,52px);margin:20px 0 28px}
.story p{color:var(--muted);font-size:16.5px;margin-bottom:20px;max-width:520px}
.story p strong{color:var(--navy);font-weight:600}
.heritage{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.heritage img{width:100%;height:100%;object-fit:cover;transform:scale(1.05);transition:transform 1.4s var(--ease)}
.heritage.in img{transform:scale(1)}
.heritage::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,23,48,.1),rgba(10,23,48,.66))}
.heritage .badge{position:absolute;left:28px;bottom:26px;z-index:2;color:#fff}
.heritage .badge .y{font-family:var(--display);font-weight:800;font-size:54px;line-height:1}
.heritage .badge .t{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--aqua)}
.timeline{margin-top:34px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.tl-item{padding:20px 22px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:transform .5s var(--ease),box-shadow .5s,border-color .4s}
.tl-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.tl-item .yr{font-family:var(--mono);font-weight:700;color:var(--teal);font-size:13px;letter-spacing:.06em}
.tl-item h4{font-family:var(--display);font-weight:600;font-size:17px;color:var(--navy);margin:6px 0 5px}
.tl-item p{font-size:13.5px;margin:0;color:var(--muted)}

/* ---------- horizontal showcase ---------- */
.showcase{background:var(--ink);color:#fff;position:relative}
.showcase-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center}
.showcase-track{display:flex;height:100%;will-change:transform}
.panel{flex:0 0 100vw;height:100%;display:flex;align-items:center;padding:0 7vw;position:relative}
.panel-title{flex-direction:column;justify-content:center;text-align:left}
.panel-title .eyebrow{color:var(--aqua)}
.panel-title h2{color:#fff;font-size:clamp(40px,7vw,104px);font-weight:800;letter-spacing:-.04em;margin:22px 0 22px;max-width:14ch}
.panel-title p{color:rgba(255,255,255,.7);font-size:18px;max-width:440px}
.panel-prod{display:grid;grid-template-columns:1fr 1fr;gap:5vw;align-items:center;width:100%}
.panel-prod .ptxt .idx{font-family:var(--mono);font-size:13px;color:var(--aqua);letter-spacing:.12em}
.panel-prod .ptxt h3{color:#fff;font-size:clamp(30px,4vw,56px);font-weight:800;letter-spacing:-.03em;margin:14px 0 18px}
.panel-prod .ptxt p{color:rgba(255,255,255,.72);font-size:16.5px;max-width:420px;margin-bottom:24px}
.panel-prod .specsmini{display:flex;gap:26px;flex-wrap:wrap}
.panel-prod .specsmini div .v{font-family:var(--display);font-weight:700;font-size:24px;color:var(--aqua)}
.panel-prod .specsmini div .k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-top:4px}
.panel-prod .pimg{position:relative;display:flex;justify-content:center;align-items:center}
.panel-prod .pimg::before{content:"";position:absolute;width:78%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(23,182,174,.26),transparent 62%);filter:blur(10px)}
.panel-prod .pimg img{position:relative;max-height:62vh;filter:drop-shadow(0 40px 50px rgba(0,0,0,.6))}
.showcase-rail{position:absolute;left:7vw;right:7vw;bottom:5vh;height:2px;background:rgba(255,255,255,.12);z-index:5}
.showcase-rail i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--aqua))}
.showcase-count{position:absolute;right:7vw;bottom:calc(5vh + 14px);font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.55);z-index:5}

/* vertical fallback for mobile showcase */
.showcase.stacked .showcase-sticky{position:relative;height:auto;display:block;overflow:visible}
.showcase.stacked .showcase-track{flex-direction:column;height:auto;transform:none!important}
.showcase.stacked .panel{flex:none;width:100%;min-height:auto;padding:64px 7vw}
.showcase.stacked .showcase-rail,.showcase.stacked .showcase-count{display:none}

/* ---------- anatomy ---------- */
.anatomy{background:linear-gradient(180deg,#070C16,#0A1730)}
.anatomy .sec-head h2,.anatomy .sec-head{color:#fff}
.anatomy .eyebrow{color:var(--aqua)}
.ana-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;margin-top:50px}
.ana-img{position:relative;border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.ana-img img{width:100%;transform:scale(1.06);transition:transform 1.4s var(--ease)}
.ana-img.in img{transform:scale(1)}
.ana-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ana-chip{padding:14px 16px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.03);transition:transform .5s var(--ease),background .4s,border-color .4s}
.ana-chip:hover{background:rgba(23,182,174,.1);border-color:var(--teal-bright);transform:translateY(-4px)}
.ana-chip .n{font-family:var(--mono);font-size:10px;color:var(--aqua);letter-spacing:.1em}
.ana-chip .t{font-family:var(--display);font-weight:600;font-size:15px;color:#fff;margin-top:3px}

/* ---------- section heads ---------- */
.sec-head{text-align:center;max-width:720px;margin:0 auto 64px}
.sec-head h2{font-size:clamp(32px,4.4vw,56px);margin:18px 0 18px}
.sec-head p{color:var(--muted);font-size:17px}

/* ---------- products categories ---------- */
.cats{background:linear-gradient(180deg,#fff,var(--paper-2))}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px 28px;position:relative;overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s,border-color .4s}
.cat-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--teal),var(--teal-bright));transition:width .5s var(--ease)}
.cat-card:hover{transform:translateY(-9px);box-shadow:var(--shadow);border-color:transparent}
.cat-card:hover::before{width:100%}
.cat-ico{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--navy),#21407a);display:flex;align-items:center;justify-content:center;margin-bottom:24px;transition:transform .5s var(--ease)}
.cat-card:hover .cat-ico{transform:rotate(-7deg) scale(1.07)}
.cat-ico svg{width:28px;height:28px;stroke:var(--aqua);fill:none;stroke-width:1.7}
.cat-card h3{font-size:19px;margin-bottom:10px}
.cat-card p{font-size:14px;color:var(--muted)}
.cat-card .idx{position:absolute;right:24px;top:22px;font-family:var(--mono);font-size:12px;color:var(--line);font-weight:700}

/* ---------- specs ---------- */
.specs{background:var(--navy-deep);color:#fff;overflow:hidden}
.specs .eyebrow{color:var(--aqua)}.specs .sec-head h2{color:#fff}.specs .sec-head p{color:rgba(255,255,255,.7)}
.spec-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:34px;flex-wrap:wrap}
.spec-tab{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.05em;padding:11px 22px;border-radius:100px;border:1px solid rgba(255,255,255,.18);background:transparent;color:rgba(255,255,255,.7);cursor:pointer;transition:.3s}
.spec-tab.active{background:var(--teal-bright);color:#04221e;border-color:var(--teal-bright)}
.spec-tab:hover:not(.active){border-color:var(--aqua);color:#fff}
.spec-table{max-width:940px;margin:0 auto;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.1)}
.spec-row{display:grid;grid-template-columns:1.4fr .7fr .7fr 2.6fr .9fr;align-items:center;padding:0 24px;min-height:54px;border-bottom:1px solid rgba(255,255,255,.07);transition:background .3s}
.spec-row.head{background:rgba(255,255,255,.05);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--aqua);min-height:48px}
.spec-row:not(.head):hover{background:rgba(23,182,174,.1)}
.spec-row .model{font-family:var(--display);font-weight:600;font-size:14.5px}
.spec-row .cell{font-family:var(--mono);font-size:13.5px;color:rgba(255,255,255,.82)}
.flow-cell{display:flex;align-items:center;gap:12px}
.flow-bar{flex:1;height:7px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden;position:relative}
.flow-bar i{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:6px;background:linear-gradient(90deg,var(--teal),var(--aqua));transition:width 1.1s var(--ease)}
.flow-val{font-family:var(--mono);font-weight:700;font-size:13.5px;color:#fff;min-width:52px;text-align:right}
.flow-unit{font-family:var(--mono);font-size:10px;color:rgba(255,255,255,.5)}
.spec-note{text-align:center;font-family:var(--mono);font-size:11.5px;color:rgba(255,255,255,.45);margin-top:22px;letter-spacing:.04em}

/* ---------- efficiency ---------- */
.energy{background:var(--paper)}
.energy-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.energy h2{font-size:clamp(28px,3.6vw,46px);margin:18px 0 22px}
.energy p{color:var(--muted);font-size:16.5px;margin-bottom:26px;max-width:480px}
.donut-wrap{display:flex;gap:36px;justify-content:center;flex-wrap:wrap}
.donut{text-align:center}
.donut svg{transform:rotate(-90deg)}
.donut .ring-bg{fill:none;stroke:var(--paper-2);stroke-width:18}
.donut .ring-fg{fill:none;stroke-width:18;stroke-linecap:round;stroke-dasharray:0 999;transition:stroke-dasharray 1.5s var(--ease)}
.donut .center-num{position:relative;margin-top:-118px;margin-bottom:84px;font-family:var(--display);font-weight:800;font-size:30px;color:var(--navy)}
.donut .center-num small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted);font-weight:400;margin-top:2px}
.donut .cap{font-weight:600;color:var(--navy);font-size:15px;margin-top:6px}
.donut .cap span{display:block;font-size:12.5px;color:var(--muted);font-weight:400}
.save-badge{display:inline-flex;align-items:center;gap:10px;background:rgba(17,133,127,.1);border:1px solid rgba(17,133,127,.25);color:var(--teal);font-weight:600;font-size:14px;padding:11px 20px;border-radius:100px}
.save-badge b{font-family:var(--display);font-size:17px}

/* ---------- industries ---------- */
.industries{background:linear-gradient(180deg,var(--paper-2),#fff)}
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ind-card{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:4/3;box-shadow:0 14px 30px -18px rgba(10,23,48,.4)}
.ind-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.ind-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,23,48,0) 30%,rgba(10,23,48,.82));transition:background .4s}
.ind-card .name{position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-family:var(--display);font-weight:600;font-size:15.5px;transform:translateY(0);transition:transform .4s var(--ease)}
.ind-card .name span{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--aqua);font-weight:400;margin-top:2px;opacity:0;transition:opacity .4s}
.ind-card:hover img{transform:scale(1.09)}
.ind-card:hover .name{transform:translateY(-2px)}
.ind-card:hover .name span{opacity:1}

/* ---------- inquiry ---------- */
.inquiry{background:radial-gradient(120% 100% at 20% 0%,#16335f,#0A1730 55%,#070C16);color:#fff;position:relative;overflow:hidden}
.inq-glow{position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(23,182,174,.26),transparent 62%);bottom:-240px;left:-160px;filter:blur(20px)}
.inq-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:start;position:relative;z-index:2}
.inq-left h2{color:#fff;font-size:clamp(32px,4vw,50px);margin:18px 0 22px}
.inq-left p{color:rgba(255,255,255,.78);font-size:16.5px;margin-bottom:36px;max-width:380px}
.inq-left .eyebrow{color:var(--aqua)}
.inq-contact{display:flex;flex-direction:column;gap:18px}
.inq-c-item{display:flex;gap:14px;align-items:flex-start}
.inq-c-item .ic{width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;flex:none}
.inq-c-item .ic svg{width:18px;height:18px;stroke:var(--aqua);fill:none;stroke-width:1.8}
.inq-c-item .lab{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.inq-c-item .val{font-size:15px;color:#fff;font-weight:500;line-height:1.45}
.inq-c-item a.val:hover{color:var(--aqua)}
.form-card{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:40px;backdrop-filter:blur(10px)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{position:relative;margin-bottom:20px}
.field label{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--aqua);display:block;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:14px 16px;color:#fff;font-family:var(--body);font-size:15px;transition:border-color .3s,background .3s,box-shadow .3s}
.field textarea{resize:vertical;min-height:98px}
.field select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235FE6DA' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.field select option{background:var(--navy)}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.35)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal-bright);background:rgba(23,182,174,.08);box-shadow:0 0 0 4px rgba(23,182,174,.12)}
.field.err input,.field.err select,.field.err textarea{border-color:var(--red);box-shadow:0 0 0 4px rgba(226,59,46,.14)}
.field .msg{font-family:var(--mono);font-size:10px;color:var(--red);margin-top:6px;display:none;letter-spacing:.04em}
.field.err .msg{display:block}
.form-card .btn-primary{width:100%;justify-content:center;margin-top:6px}
.form-note{font-family:var(--mono);font-size:11px;color:rgba(255,255,255,.45);text-align:center;margin-top:16px}
.form-success{text-align:center;padding:30px 0;display:none}
.form-success.show{display:block;animation:pop .6s var(--ease)}
@keyframes pop{0%{opacity:0;transform:scale(.92)}100%{opacity:1;transform:none}}
.form-success .check{width:68px;height:68px;margin:0 auto 20px;border-radius:50%;background:var(--teal-bright);display:flex;align-items:center;justify-content:center}
.form-success .check svg{width:32px;height:32px;stroke:#04221e;stroke-width:3;fill:none;stroke-dasharray:40;stroke-dashoffset:40;animation:draw .6s .2s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.form-success h3{color:#fff;font-size:23px;margin-bottom:8px}
.form-success p{color:rgba(255,255,255,.75);max-width:340px;margin:0 auto 18px}
.form-success .btn-ghost{margin:0 auto}

/* ---------- footer ---------- */
footer{background:var(--ink);color:rgba(255,255,255,.7);padding:70px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand img{height:40px;filter:brightness(0) invert(1);margin-bottom:18px}
.foot-brand p{font-size:14px;max-width:320px}
.foot-col h5{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--aqua);margin-bottom:16px}
.foot-col a{display:block;font-size:14.5px;margin-bottom:11px;transition:color .3s;cursor:pointer}
.foot-col a:hover{color:#fff}
.foot-bottom{padding-top:26px;display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45);flex-wrap:wrap;gap:10px}

.progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--teal),var(--aqua));width:0;z-index:200;transition:width .1s linear}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero .wrap{grid-template-columns:1fr;gap:48px;text-align:center}
  .hero-eyebrow,.hero-stats,.hero-actions{justify-content:center}
  .story-grid,.energy-grid,.inq-grid,.ana-grid{grid-template-columns:1fr;gap:48px}
  .cat-grid{grid-template-columns:1fr 1fr}
  .ind-grid{grid-template-columns:1fr 1fr}
  .panel-prod{grid-template-columns:1fr;text-align:center;gap:30px}
  .panel-prod .pimg{order:-1}
  .panel-prod .specsmini{justify-content:center}
  nav.links{display:none}
  .menu-btn{display:flex}
  nav.links.open{display:flex;position:absolute;top:62px;right:20px;flex-direction:column;background:#fff;padding:22px 26px;border-radius:16px;box-shadow:var(--shadow);gap:18px}
}
@media(max-width:620px){
  .section{padding:88px 0}
  .wrap{padding:0 22px}
  .cat-grid,.timeline{grid-template-columns:1fr}
  .ana-list{grid-template-columns:1fr 1fr}
  .frow{grid-template-columns:1fr}
  .form-card{padding:26px}
  .spec-row{grid-template-columns:1.3fr .6fr 2fr .8fr;font-size:12px}
  .spec-row .kw,.spec-row.head .kw{display:none}
  .donut-wrap{gap:18px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.001s!important}
  .reveal,.kin>span,.fade{opacity:1!important;transform:none!important}
  .showcase-track{transform:none!important}
}
/* ===== product / sub pages ===== */
.subhero{background:radial-gradient(120% 90% at 78% 12%,#16335f,#0E1F40 45%,#070C16 100%);color:#fff;padding:150px 0 90px;position:relative;overflow:hidden}
.subhero .hero-glow{top:-200px;right:-160px}
.subhero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.crumbs{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-bottom:22px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{color:var(--aqua)}.crumbs span{opacity:.5}
.subhero h1{color:#fff;font-size:clamp(36px,5vw,64px);font-weight:800;letter-spacing:-.03em;margin-bottom:22px}
.subhero p.lead{font-size:18px;color:rgba(255,255,255,.82);max-width:520px;margin-bottom:30px}
.subhero .pimg{position:relative;display:flex;justify-content:center}
.subhero .pimg::before{content:"";position:absolute;width:80%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(23,182,174,.26),transparent 62%);filter:blur(10px)}
.subhero .pimg img{position:relative;max-height:46vh;filter:drop-shadow(0 40px 50px rgba(0,0,0,.55))}
.subhero .keyfacts{display:flex;gap:34px;flex-wrap:wrap;margin-top:10px}
.subhero .keyfacts .v{font-family:var(--display);font-weight:800;font-size:28px;color:var(--aqua)}
.subhero .keyfacts .k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-top:5px}

.article{background:var(--paper);padding:100px 0}
.article .wrap{max-width:860px}
.article h2{font-size:clamp(26px,3vw,38px);margin:14px 0 18px}
.article h3{font-size:21px;color:var(--navy);margin:38px 0 12px}
.article p{color:var(--muted);font-size:16.5px;margin-bottom:16px}
.article p strong{color:var(--navy);font-weight:600}
.article ul{list-style:none;margin:8px 0 22px;padding:0}
.article ul li{position:relative;padding:8px 0 8px 30px;color:var(--muted);font-size:16px;border-bottom:1px solid var(--line)}
.article ul li::before{content:"";position:absolute;left:0;top:16px;width:13px;height:13px;border-radius:50%;border:3px solid var(--teal)}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0 8px}
.feat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .5s var(--ease),box-shadow .5s}
.feat:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feat .fi{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--navy),#21407a);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.feat .fi svg{width:24px;height:24px;stroke:var(--aqua);fill:none;stroke-width:1.7}
.feat h4{font-family:var(--display);font-size:17px;color:var(--navy);margin-bottom:6px}
.feat p{font-size:14px;margin:0}

.faq{background:linear-gradient(180deg,#fff,var(--paper-2));padding:100px 0}
.faq .wrap{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:24px 40px 24px 0;font-family:var(--display);font-weight:600;font-size:18px;color:var(--navy);position:relative}
.faq-q::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--teal);transition:transform .3s}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.faq-a p{color:var(--muted);font-size:15.5px;padding:0 0 22px}
.cta-band{background:var(--navy);color:#fff;padding:80px 0;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(28px,3.4vw,42px);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.78);margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto}
@media(max-width:980px){.subhero .wrap{grid-template-columns:1fr;text-align:center}.subhero .keyfacts,.crumbs{justify-content:center}.subhero .pimg{order:-1}.feat-grid{grid-template-columns:1fr}}