/* FILTROTECH — layout: one calm column (max 1180px) over deep-water ground. Dark-first, light theme mirrors it. */
:root{
  --bg:#060e15; --bg2:#0a1620; --panel:#0e1c27; --panel2:#122331;
  --line:rgba(140,195,215,.14); --line2:rgba(140,195,215,.28);
  --fg:#e9f2f6; --muted:#90a7b3; --brand:#21b2d0; --brand-deep:#0a7f98; --brand-soft:rgba(33,178,208,.16);
  --glow:rgba(33,178,208,.38); --ripple:rgba(120,205,225,.85); --img-glow:rgba(33,178,208,.22); --glass:rgba(6,14,21,.62);
  --display:"Sora","Manrope",system-ui,sans-serif; --body:"Manrope","Sora",system-ui,sans-serif;
  color-scheme:dark;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  --bg:#f2f6f8; --bg2:#e7eef2; --panel:#ffffff; --panel2:#f6f9fb;
  --line:rgba(0,91,111,.14); --line2:rgba(0,91,111,.3);
  --fg:#0d2630; --muted:#56707a; --brand:#005b6f; --brand-deep:#004756; --brand-soft:rgba(0,91,111,.1);
  --glow:rgba(0,91,111,.22); --ripple:rgba(0,91,111,.55); --img-glow:rgba(0,91,111,.12); --glass:rgba(242,246,248,.7);
  color-scheme:light;
}}
:root[data-theme="light"]{
  --bg:#f2f6f8; --bg2:#e7eef2; --panel:#ffffff; --panel2:#f6f9fb;
  --line:rgba(0,91,111,.14); --line2:rgba(0,91,111,.3);
  --fg:#0d2630; --muted:#56707a; --brand:#005b6f; --brand-deep:#004756; --brand-soft:rgba(0,91,111,.1);
  --glow:rgba(0,91,111,.22); --ripple:rgba(0,91,111,.55); --img-glow:rgba(0,91,111,.12); --glass:rgba(242,246,248,.7);
  color-scheme:light;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:40;background:var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--display);font-weight:500;line-height:1.12;letter-spacing:-.015em;margin:0;text-wrap:balance}
h1{font-size:clamp(2.1rem,5.2vw,3.7rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem)}
h3{font-size:1.15rem;font-weight:600}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);font-weight:700}
.lead{color:var(--muted);font-size:1.08rem;max-width:62ch}
section{padding-block:clamp(64px,9vw,120px)}
.sec-head{display:grid;gap:14px;max-width:760px;margin-bottom:clamp(32px,5vw,56px)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
a.inline{color:var(--brand);border-bottom:1px solid var(--line2)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid var(--line2);background:transparent;color:var(--fg);cursor:pointer;transition:transform .25s,border-color .25s,background .25s,box-shadow .25s;font-family:var(--body);line-height:1.2}
.btn:hover{transform:translateY(-2px);border-color:var(--brand)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 30px -10px var(--glow)}
.btn.primary:hover{box-shadow:0 16px 40px -10px var(--glow)}
.btn svg{width:16px;height:16px}

/* header */
header{position:sticky;isolation:isolate;top:env(safe-area-inset-top,0px);z-index:30;backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);background:var(--glass);border-bottom:1px solid var(--line);transition:background .3s}
.logo{display:flex;align-items:center;height:28px}
.logo svg{height:28px;width:auto;display:block;overflow:visible}
.logo .ring{fill:none;stroke:var(--brand);stroke-width:7}
.brand{fill:var(--brand)}
.nav .logo{justify-self:start}
.nav .shop{padding:9px 18px;font-size:.88rem}
.nav-right{display:flex;align-items:center;gap:10px;justify-self:end}
.langsw{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--line2);background:transparent;color:var(--fg);font:inherit;font-size:.82rem;font-weight:700;letter-spacing:.06em;cursor:pointer}
.lang-btn svg{width:16px;height:16px;color:var(--muted)}
.lang-btn:hover{border-color:var(--brand)}
.lang-list{position:absolute;right:0;top:calc(100% + 8px);min-width:170px;max-height:min(70vh,420px);overflow:auto;background:var(--panel);border:1px solid var(--line2);border-radius:14px;padding:6px;margin:0;list-style:none;display:none;box-shadow:0 20px 50px -20px rgba(0,0,0,.6);z-index:31}
.langsw.open .lang-list{display:block}
.lang-list a{display:block;padding:8px 12px;border-radius:8px;font-size:.9rem;color:var(--muted)}
.lang-list a:hover{background:var(--brand-soft);color:var(--fg)}
.lang-list a[aria-current]{color:var(--brand);font-weight:700}
[dir="rtl"] .lang-list{right:auto;left:0}
[dir="rtl"] .steps{border-left:0;border-right:1px solid var(--line);padding-left:0;padding-right:26px}
[dir="rtl"] .step::before{left:auto;right:-31px}
[dir="rtl"] .ticks li{padding-left:0;padding-right:26px}
[dir="rtl"] .ticks li::before{left:auto;right:0}
.nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:58px;gap:16px}
.menu{display:flex;gap:6px;align-items:center;list-style:none;margin:0;padding:0;font-family:var(--display);font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;justify-self:center}
.menu>li{position:relative}
.menu>li>a{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;color:var(--muted);transition:color .2s,background .2s;white-space:nowrap}
.menu>li>a:hover,.menu>li.on>a,.menu>li>a.cur{color:var(--fg)}
.menu>li>a.home{padding:8px 12px}
.menu>li>a.home svg{width:18px;height:18px;display:block}
.menu .mchev{width:12px;height:12px;transition:transform .25s}
.menu .has-sub:hover .mchev,.menu .has-sub:focus-within .mchev{transform:rotate(180deg)}
.sub{position:absolute;left:50%;top:calc(100% + 6px);transform:translate(-50%,8px);min-width:200px;margin:0;padding:8px;list-style:none;background:var(--panel);border:1px solid var(--line2);border-radius:14px;box-shadow:0 24px 50px -22px rgba(0,0,0,.7);opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s cubic-bezier(.2,.7,.2,1),visibility 0s .25s;text-transform:none;letter-spacing:0;font-family:var(--body);font-weight:500;font-size:.92rem}
.sub::before{content:"";position:absolute;left:0;right:0;top:-8px;height:8px}
.has-sub:hover .sub,.has-sub:focus-within .sub,.has-sub.open .sub{opacity:1;visibility:visible;transform:translate(-50%,0);transition:opacity .25s ease,transform .25s cubic-bezier(.2,.7,.2,1),visibility 0s}
.sub a{display:block;padding:10px 14px;border-radius:9px;color:var(--muted);transition:background .2s,color .2s}
.sub a:hover,.sub a.cur{background:var(--brand-soft);color:var(--fg)}
.burger{display:none;background:none;border:0;color:var(--fg);width:44px;height:44px;cursor:pointer;border-radius:10px}
.burger span{display:block;width:22px;height:2px;background:currentColor;margin:5px auto;border-radius:2px;transition:transform .3s,opacity .3s}
@media (max-width:1000px){
  .nav{grid-template-columns:auto 1fr}
  .menu{position:absolute;top:100%;left:0;right:0;height:calc(100vh - 58px - env(safe-area-inset-top,0px));background:var(--bg);flex-direction:column;align-items:stretch;padding:18px max(20px,env(safe-area-inset-left,0px)) 40px;gap:4px;transform:translateX(100%);visibility:hidden;transition:transform .35s cubic-bezier(.4,0,.2,1),visibility 0s .35s;overflow:auto;z-index:29;justify-self:stretch}
  [dir="rtl"] .menu{transform:translateX(-100%)}
  .menu.open{transform:none;visibility:visible;transition:transform .35s cubic-bezier(.4,0,.2,1),visibility 0s}
  .menu>li>a{font-size:1rem;padding:14px 12px;border-radius:12px}
  .menu>li>a.home{display:none}
  .menu .mchev{display:none}
  .sub{position:static;transform:none;opacity:1;visibility:visible;min-width:0;background:transparent;border:0;box-shadow:none;padding:0 0 10px 12px;font-size:1.05rem}
  .sub a{padding:10px 12px}
  .burger{display:block}
  .burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav .shop{padding:8px 12px;font-size:.8rem;gap:6px}
  .nav .shop svg{display:none}
  .nav-right{gap:8px}
  .lang-btn span{display:none}
  .lang-btn{padding:0 10px}
}

/* hero slider */
.hero{position:relative;padding-block:clamp(28px,5vw,64px) clamp(40px,6vw,72px);overflow:hidden}
#water{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.9}
.hero .wrap{position:relative}
.hs-track{display:grid}
.hs-slide{grid-area:1/1;opacity:0;visibility:hidden;transform:translateX(36px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1),visibility 0s .9s;pointer-events:none}
.hs-slide.on{opacity:1;visibility:visible;transform:none;transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1),visibility 0s;pointer-events:auto}
.hs-slide.out{transform:translateX(-36px)}
.hero-grid{display:grid;gap:clamp(24px,4vw,48px);align-items:center;grid-template-columns:1.05fr .95fr;min-height:420px}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;min-height:0}}
.hero-copy{display:grid;gap:22px}
.hero-copy .lead{font-size:1.12rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
.facts{display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:10px;font-size:.86rem;color:var(--muted)}
.facts b{color:var(--fg);font-weight:600;font-family:var(--display)}
.hs-ctrl{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:28px}
.hs-btn,.ctrl button{width:46px;height:46px;border-radius:50%;border:1px solid var(--line2);background:var(--panel);color:var(--fg);cursor:pointer;display:grid;place-items:center;transition:border-color .2s,transform .2s;padding:0}
.hs-btn:hover,.ctrl button:hover{border-color:var(--brand);transform:scale(1.06)}
.hs-btn svg,.ctrl svg{width:18px;height:18px}
.dots{display:flex;gap:8px;align-items:center}
.dots button{width:8px;height:8px;padding:0;border-radius:50%;border:0;background:var(--line2);transition:width .3s,background .3s;cursor:pointer;position:relative;overflow:hidden}
.dots button.on{width:34px;border-radius:4px;background:var(--line2)}
.dots button.on::after{content:"";position:absolute;inset:0;background:var(--brand);transform-origin:left;transform:scaleX(var(--p,0));transition:transform var(--d,0ms) linear}

/* intro animation (Entwurf 2) */
.intro{position:relative;width:100%;max-width:100%;aspect-ratio:1535.59/863.5;max-height:420px;margin:0 auto}
.intro svg{position:absolute;inset:0;width:100%;height:100%;display:block;overflow:visible}
.ringarc{fill:none;stroke:var(--brand);stroke-width:2}
.ripple{fill:none;stroke:var(--ripple);transform-box:view-box;transform-origin:40.22px 285.06px;transform:scale(0);opacity:0}
#dolphin{transform-box:view-box;transform-origin:213.6px 204.21px;transform:rotate(-116deg)}
#wash{transform-box:view-box;transform-origin:40.22px 285.06px;transform:scale(0)}
#sheen{opacity:0}
#cam{transform-box:view-box;transform-origin:40.22px 285.06px;transform:translate(597.57px,-86.63px) scale(2)}
.play #dolphin{animation:rise 3s cubic-bezier(.45,.05,.2,1) .4s forwards}
.play #cam{animation:cam 2.9s cubic-bezier(.4,.05,.2,1) 1s forwards}
.play #arcA{animation:draw 2s cubic-bezier(.45,.05,.2,1) 2s forwards}
.play #arcB{animation:draw 1.2s cubic-bezier(.3,.1,.2,1) 2.2s forwards}
.play #wash{animation:wash 3.5s cubic-bezier(.4,.1,.25,1) 1s forwards}
.play .r1{animation:ripple 2.8s cubic-bezier(.2,.5,.3,1) .8s forwards}
.play .r2{animation:ripple 2.9s cubic-bezier(.2,.5,.3,1) 1.4s forwards}
.play .r3{animation:ripple 3s cubic-bezier(.2,.5,.3,1) 2.2s forwards}
.play #sheen{animation:sheen 1.8s ease-in-out 4.1s forwards}
.done #dolphin{transform:none} .done #cam{transform:none} .done #wash{transform:scale(1)} .done #arcA,.done #arcB{stroke-dashoffset:0!important}
@keyframes rise{to{transform:rotate(0deg)}}
@keyframes cam{to{transform:translate(0,0) scale(1)}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes wash{to{transform:scale(1)}}
@keyframes ripple{0%{opacity:.95;transform:scale(0)}100%{opacity:0;transform:scale(1)}}
@keyframes sheen{0%{opacity:1;transform:translateX(-700px)}100%{opacity:1;transform:translateX(1500px)}}

/* USP effects */
.lathe canvas{width:min(440px,100%);height:auto;aspect-ratio:1/1;max-width:100%;display:block}
.fx{display:grid;place-items:center;width:100%;max-width:100%}
.fx svg{width:min(420px,100%);height:auto;max-width:100%;aspect-ratio:1}
.chip .traces{opacity:.9}
.chip .pulses path{stroke-dasharray:14 140;stroke-dashoffset:154;animation:pulse 2.8s linear infinite;filter:drop-shadow(0 0 4px var(--brand))}
.chip .p2{animation-delay:-.6s}.chip .p3{animation-delay:-1.2s}.chip .p4{animation-delay:-1.8s}.chip .p5{animation-delay:-.3s}.chip .p6{animation-delay:-2.2s}
@keyframes pulse{to{stroke-dashoffset:0}}
.chip .core{animation:core 2.8s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
@keyframes core{0%,100%{opacity:.5;transform:scale(.85)}50%{opacity:1;transform:scale(1.1)}}
.chip .dot{animation:dotp 1.4s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
@keyframes dotp{50%{transform:scale(1.5)}}
.float img{width:min(440px,100%);filter:drop-shadow(0 30px 40px rgba(0,0,0,.45)) drop-shadow(0 0 40px var(--img-glow));animation:floaty 6s ease-in-out infinite}
@keyframes floaty{50%{transform:translateY(-12px) rotate(-1deg)}}

/* values */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:820px){.values{grid-template-columns:1fr}}
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:30px 28px;display:grid;gap:14px;transform-style:preserve-3d;transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .35s;will-change:transform}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),var(--brand-soft),transparent 60%);opacity:0;transition:opacity .35s;pointer-events:none}
.card:hover{border-color:var(--line2)} .card:hover::before{opacity:1}
.card .ico{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);display:grid;place-items:center;color:var(--brand)}
.card .ico svg{width:24px;height:24px}
.card p{color:var(--muted);font-size:.96rem}

/* product coverflow */
.products{background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 50%,var(--bg) 100%);position:relative;overflow:hidden}
.stage{position:relative;height:460px;perspective:1400px;perspective-origin:50% 40%;touch-action:pan-y;user-select:none;max-width:100%}
.slide{position:absolute;left:50%;top:0;width:min(340px,78vw);height:430px;margin-left:calc(min(340px,78vw) / -2);border-radius:22px;background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(0,0,0,.6);transition:transform .7s cubic-bezier(.2,.7,.2,1),opacity .7s,filter .7s;display:grid;grid-template-rows:1fr auto;padding:24px;cursor:pointer;backface-visibility:hidden;overflow:hidden}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.07) 50%,transparent 70%);transform:translateX(-120%);transition:transform 1s;pointer-events:none}
.slide.active::after{transform:translateX(120%)}
.slide .art{display:grid;place-items:center;min-height:0}
.slide .art img{max-height:200px;width:auto;filter:drop-shadow(0 16px 24px rgba(0,0,0,.45)) drop-shadow(0 0 24px var(--img-glow))}
.slide .meta{display:grid;gap:6px}
.slide .meta small{color:var(--muted);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700}
.slide .meta h3{font-size:1.3rem}
.slide .meta p{color:var(--muted);font-size:.9rem;line-height:1.45}
.ctrl{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:22px}
.ctrl .dots button.on{width:26px;background:var(--brand)}

/* know-how teaser */
.know{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:900px){.know{grid-template-columns:1fr}}
.steps{display:grid;border-left:1px solid var(--line);padding-left:26px;position:relative}
.step{position:relative;padding:14px 0 14px 8px}
.step::before{content:"";position:absolute;left:-31px;top:24px;width:9px;height:9px;border-radius:50%;background:var(--bg);border:2px solid var(--brand);box-shadow:0 0 0 4px var(--bg)}
.step b{display:block;font-family:var(--display);font-weight:600;margin-bottom:4px}
.step span{color:var(--muted);font-size:.95rem}
.glass{position:relative;border-radius:24px;border:1px solid var(--line);background:linear-gradient(180deg,var(--panel2),var(--panel));padding:26px 30px 30px;overflow:hidden;display:grid;grid-template-rows:auto auto auto;gap:8px}
.flow{width:100%;height:auto;display:block;max-width:100%;cursor:crosshair;touch-action:pan-y}
.glass .big{font-family:var(--display);font-size:clamp(2.2rem,5vw,3.2rem);font-weight:500;letter-spacing:-.03em;line-height:1;position:relative}
.glass .big small{font-size:.4em;color:var(--muted);letter-spacing:0}
.glass p{position:relative;color:var(--muted);max-width:34ch}

/* brands teaser */
.brands{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
@media (max-width:1000px){.brands{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.brands{grid-template-columns:repeat(2,1fr)}}
.brand-tile{border:1px solid var(--line);border-radius:16px;padding:22px 20px;display:grid;gap:14px;align-content:start;background:var(--panel);transition:border-color .3s,transform .3s}
.brand-tile:hover{border-color:var(--brand);transform:translateY(-3px)}
.brand-tile img{height:56px;width:auto;max-width:100%;object-fit:contain}
.brand-tile span{color:var(--muted);font-size:.88rem}

/* cta */
.cta{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta .wrap{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
@media (max-width:820px){.cta .wrap{grid-template-columns:1fr}}

/* sub pages */
.page-head{padding-block:clamp(40px,6vw,80px) clamp(24px,4vw,48px);background:radial-gradient(900px 400px at 80% 0%,var(--brand-soft),transparent 70%)}
.ph-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,56px);align-items:center}
@media (max-width:900px){.ph-grid{grid-template-columns:1fr}}
.ph-copy{display:grid;gap:18px}
.ph-img{width:min(420px,100%);justify-self:center;filter:drop-shadow(0 30px 40px rgba(0,0,0,.45)) drop-shadow(0 0 40px var(--img-glow))}
.strip-sec{padding-block:0 clamp(24px,4vw,48px)}
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:820px){.strip{grid-template-columns:1fr}}
.strip figure{margin:0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.strip img{width:100%;aspect-ratio:12/5;object-fit:cover;transition:transform .6s}
.strip figure:hover img{transform:scale(1.04)}
.strip figcaption{padding:12px 16px;font-size:.86rem;color:var(--muted)}
.feature-list{display:grid;gap:clamp(48px,7vw,96px)}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.feature.rev .f-img{order:2}
@media (max-width:900px){.feature{grid-template-columns:1fr}.feature.rev .f-img{order:0}}
.f-img{position:relative;display:grid;place-items:center;padding:24px}
.f-img::before{content:"";position:absolute;inset:10%;border-radius:50%;background:radial-gradient(closest-side,var(--img-glow),transparent);filter:blur(10px)}
.f-img img{position:relative;width:min(420px,100%);filter:drop-shadow(0 24px 32px rgba(0,0,0,.45))}
.f-copy{display:grid;gap:16px;min-width:0}
.f-copy p{color:var(--muted)}
.ticks{list-style:none;margin:4px 0 0;padding:0;display:grid;gap:8px;color:var(--fg);font-size:.95rem}
.ticks li{padding-left:26px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}
.spec-row{display:flex;flex-wrap:wrap;gap:24px 36px;margin-top:8px}
.spec-row div{display:grid;gap:2px}
.spec-row b{font-family:var(--display);font-weight:500;font-size:1.4rem;letter-spacing:-.02em}
.spec-row span{color:var(--muted);font-size:.84rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px)}
@media (max-width:820px){.two-col{grid-template-columns:1fr}}
.prose{display:grid;gap:16px;min-width:0}
.prose p{color:var(--muted);max-width:60ch}
.pv{background:var(--bg2)}
.pv-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(24px,5vw,64px);align-items:center}
@media (max-width:820px){.pv-grid{grid-template-columns:1fr}}
.pv-grid img{width:min(360px,100%);justify-self:center}
.pv-grid>div{display:grid;gap:16px}
.brand-list{display:grid;gap:18px}
.brand-row{display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px}
@media (max-width:700px){.brand-row{grid-template-columns:1fr;gap:16px}}
.b-logo{display:grid;place-items:center;height:110px}
.b-logo img{max-height:100px;width:auto;max-width:180px;object-fit:contain}
.brand-row h2{font-size:1.4rem;margin-bottom:8px}
.brand-row p{color:var(--muted)}
.stages{display:grid;gap:18px}
.stage-card.on{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand-soft),0 20px 50px -30px var(--glow)}
.stage-card{transition:border-color .4s,box-shadow .4s;display:grid;grid-template-columns:1fr;gap:0;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:30px;min-height:46vh;align-content:center}
@media (max-width:760px){.stage-card{grid-template-columns:1fr}}
.stage-card img{width:100%;max-height:220px;object-fit:contain;filter:drop-shadow(0 16px 24px rgba(0,0,0,.4))}
.stage-card>div{display:grid;gap:10px;min-width:0}
.stage-card h2{font-size:1.5rem}
.stage-card p{color:var(--muted)}
.faq-list{display:grid;gap:12px;max-width:820px}
.faq{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:0 24px;transition:border-color .3s}
.faq[open]{border-color:var(--line2)}
.faq summary{list-style:none;cursor:pointer;font-family:var(--display);font-weight:600;font-size:1.05rem;padding:20px 0;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.chev{width:10px;height:10px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform .3s;flex:none;margin-right:4px}
.faq[open] .chev{transform:rotate(-135deg)}
.faq p{color:var(--muted);padding:0 0 22px;max-width:65ch}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,5vw,64px);align-items:start}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.contact-cards{display:grid;gap:14px}
.ccard{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 24px;display:grid;gap:6px}
.ccard b{font-family:var(--display);font-weight:500;font-size:1.25rem;letter-spacing:-.01em}
.ccard span:not(.eyebrow){color:var(--muted);font-size:.92rem}
.sel{user-select:all}
.cform{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:30px;display:grid;gap:8px}
.cform h2{font-size:1.5rem;margin-bottom:12px}
.cform label{font-size:.82rem;color:var(--muted);margin-top:10px}
.cform input,.cform textarea{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line2);border-radius:10px;padding:12px 14px;width:100%;min-width:0;resize:vertical}
.cform input:focus,.cform textarea:focus{outline:2px solid var(--brand);outline-offset:0;border-color:transparent}
.cform .btn{justify-self:start;margin-top:14px}
.form-note{color:var(--brand);font-size:.92rem}

/* know-how: vertical stage slider */
.kh-sec{padding-top:16px}
.vstage{position:relative;height:540px;perspective:1600px;perspective-origin:50% 50%;touch-action:pan-y;user-select:none;outline:none;max-width:100%;overflow:hidden}
.vcard{position:absolute;left:50%;top:50%;width:min(900px,88%);height:480px;transform:translate(-50%,-50%);margin:-240px 0 0 calc(min(900px,88%) / -2);left:50%;top:50%;transform-origin:center;border-radius:22px;background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(0,0,0,.6);display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:28px 32px;cursor:pointer;transition:transform .7s cubic-bezier(.2,.7,.2,1),opacity .7s,filter .7s,border-color .4s;backface-visibility:hidden;overflow:hidden}
.vcard.active{border-color:var(--line2);cursor:default}
.vanim{width:100%;height:100%;display:block;border-radius:14px;max-width:100%}
.vtext{display:grid;gap:12px;align-content:center;min-width:0}
.vtext .eyebrow i{font-style:normal;text-transform:none;letter-spacing:.02em;color:var(--muted);font-weight:600}
.vtext h2{font-size:clamp(1.4rem,2.6vw,2rem)}
.vtext p{color:var(--muted);font-size:.98rem}
.vctrl{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:8px;position:relative;z-index:12}
.vctrl>button{width:46px;height:46px;border-radius:50%;border:1px solid var(--line2);background:var(--panel);color:var(--fg);cursor:pointer;display:grid;place-items:center;transition:border-color .2s,transform .2s;padding:0}
.vctrl>button:hover{border-color:var(--brand);transform:scale(1.06)}
.vctrl>button svg{width:18px;height:18px}
.vctrl .dots button.on{width:26px;background:var(--brand)}
@media (max-width:860px){.vstage{height:640px}.vcard{width:88%;margin-left:-44%;height:580px;margin-top:-290px;grid-template-columns:1fr;grid-template-rows:230px 1fr;gap:16px;padding:18px 20px}.vtext p{font-size:.92rem}}

/* legal pages, honeypot */
.legal{max-width:760px;display:grid;gap:14px}
.legal h2{font-size:1.5rem;margin-top:18px}
.legal h3{font-size:1.05rem;margin-top:10px}
.legal p{color:var(--muted)}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

/* footer */
footer{padding-block:56px 40px;font-size:.92rem;color:var(--muted);border-top:1px solid var(--line)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
@media (max-width:820px){.foot{grid-template-columns:1fr}}
.foot b{color:var(--fg);font-family:var(--display);font-weight:600;display:block;margin-bottom:10px}
.foot a:hover{color:var(--brand)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot .addr{font-style:normal;line-height:1.7}
.copy{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:.82rem}
.lang{display:flex;flex-wrap:wrap;gap:6px 14px}
.lang a[aria-current]{color:var(--fg);font-weight:700}

/* reveal: visible at rest, slides in only when JS marks it */
.pre{opacity:0;transform:translateY(22px)}
.reveal{transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .pre{opacity:1;transform:none}
  .intro svg #dolphin,.intro svg #cam{transform:none} .intro svg #wash{transform:scale(1)}
  #water{display:none}
}