:root{
  --navy:#07175b;--navy2:#0d2b78;--blue:#087af1;--blue2:#20b8f5;--cyan:#dff5ff;
  --ink:#13203c;--muted:#5b6781;--line:#d8e6f3;--bg:#f7fbff;--white:#fff;
  --green:#0fb878;--orange:#f49b24;--red:#d9364d;--shadow:0 18px 50px rgba(7,23,91,.12);
  --radius:24px;--radius-sm:16px;--max:1240px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#fff 0,#f8fbff 70%,#fff 100%);line-height:1.5}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.container{width:min(var(--max),calc(100% - 32px));margin-inline:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:12px;z-index:9999}
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(216,230,243,.9)}.nav{height:82px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:14px;min-width:225px}.brand img{width:180px;height:auto}.brand small{font-weight:800;color:var(--navy);font-size:.68rem;line-height:1.2;letter-spacing:.13em;border-left:1px solid var(--line);padding-left:14px}.navlinks{display:flex;align-items:center;gap:7px;flex:1;justify-content:center}.navlinks a{padding:10px 11px;border-radius:12px;font-size:.9rem;font-weight:700;color:#203059;transition:.2s}.navlinks a:hover,.navlinks a.active{color:var(--blue);background:#eef7ff}.navcta{display:flex;align-items:center;gap:10px}.menu-btn{display:none;background:none;border:0;color:var(--navy);font-size:1.5rem;padding:10px}.btn{border:0;border-radius:14px;padding:13px 18px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:9px;transition:transform .2s,box-shadow .2s,filter .2s}.btn svg{width:19px;height:19px}.btn-primary{background:linear-gradient(135deg,var(--blue),#0b5ee5);color:#fff;box-shadow:0 12px 26px rgba(8,122,241,.23)}.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 18px 32px rgba(8,122,241,.3)}.btn-outline{border:1px solid #9fcef9;background:#fff;color:var(--blue)}.btn-dark{background:var(--navy);color:#fff}.icon{width:22px;height:22px;flex:0 0 auto}.eyebrow{color:var(--blue);font-size:.82rem;letter-spacing:.17em;font-weight:900;text-transform:uppercase}.kicker{color:var(--navy);font-weight:800}.section{padding:80px 0}.section.tight{padding:52px 0}.section-title{font-size:clamp(2rem,4vw,3.6rem);line-height:1.02;color:var(--navy);margin:8px 0 18px;letter-spacing:-.04em}.section-sub{font-size:1.08rem;color:var(--muted);max-width:800px;margin:0 0 28px}.underline{width:54px;height:6px;border-radius:10px;background:var(--blue);margin:14px 0 20px}.card{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 34px rgba(10,50,100,.07);overflow:hidden}.card-pad{padding:26px}.card h3{color:var(--navy);margin:0 0 8px;font-size:1.25rem}.card p{color:var(--muted);margin:.25rem 0}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}
.hero{position:relative;overflow:hidden;padding:46px 0 34px;background:linear-gradient(135deg,#fff 0,#f4fbff 55%,#eaf7ff 100%)}.hero:before,.page-hero:before{content:"";position:absolute;right:-120px;top:-180px;width:520px;height:520px;background:linear-gradient(135deg,rgba(10,130,245,.08),rgba(32,184,245,.2));transform:rotate(45deg);border-radius:70px}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:38px;position:relative;z-index:1}.hero h1{font-size:clamp(2.7rem,5.4vw,5.1rem);line-height:.94;letter-spacing:-.055em;color:var(--navy);margin:12px 0 18px}.hero h1 span{color:var(--blue)}.hero p{font-size:1.17rem;color:#344368;max-width:690px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 24px}.hero-badges{display:flex;flex-wrap:wrap;gap:12px}.pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #d9e8f5;border-radius:999px;padding:9px 12px;font-size:.87rem;color:#26395f;font-weight:700}.pill svg{color:var(--blue);width:19px;height:19px}.hero-photo{position:relative;min-height:500px}.hero-photo{background:linear-gradient(135deg,#e8f7ff,#f7fbff);border-radius:36px;box-shadow:var(--shadow)}.hero-photo img{width:100%;height:500px;object-fit:contain;border-radius:36px;object-position:center}.hero-note{position:absolute;right:18px;bottom:18px;width:min(330px,75%);background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border:1px solid #d7e8f8;border-radius:20px;padding:18px;box-shadow:0 14px 38px rgba(6,38,89,.16)}.hero-note strong{display:block;font-size:1.3rem;color:var(--navy)}.hero-note b{color:var(--blue);font-size:1.7rem}.tool-strip{margin-top:28px;display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.tool-mini{padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px;transition:.22s;min-height:155px}.tool-mini:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(7,23,91,.1);border-color:#acd8ff}.tool-mini .tool-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:#eaf6ff;color:var(--blue);margin-bottom:12px}.tool-mini h3{font-size:1rem;margin:0 0 6px;color:var(--navy)}.tool-mini p{font-size:.82rem;color:var(--muted);margin:0}.product-card img{width:100%;height:220px;object-fit:contain;background:linear-gradient(135deg,#fafdff,#eaf7ff);padding:10px}.product-card .body{padding:20px}.product-card .meta{font-size:.78rem;color:var(--blue);font-weight:900;text-transform:uppercase;letter-spacing:.08em}.product-card h3{font-size:1.35rem}.product-card a.more{color:var(--blue);font-weight:800;display:inline-flex;align-items:center;gap:6px;margin-top:12px}.product-card a.more:hover{gap:10px}.band{background:linear-gradient(135deg,var(--navy),#0b66e7);color:#fff;padding:30px;border-radius:28px;display:flex;align-items:center;justify-content:space-between;gap:28px}.band h2{margin:0;font-size:2rem}.band p{margin:6px 0 0;color:#dcecff}.band .btn{background:#fff;color:var(--navy);white-space:nowrap}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}.stat strong{display:block;color:var(--navy);font-size:1.25rem}.stat span{color:var(--muted);font-size:.9rem}.update-box{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:20px;background:linear-gradient(135deg,#07175b,#087af1);color:#fff;border-radius:30px;overflow:hidden}.update-box .copy{padding:34px}.update-box .copy p{color:#e8f4ff}.update-box img{width:100%;height:320px;object-fit:cover}.update-date{display:inline-flex;padding:6px 10px;border:1px solid rgba(255,255,255,.35);border-radius:999px;font-size:.8rem}.logo-wall{display:flex;flex-wrap:wrap;gap:10px}.application{display:flex;align-items:center;gap:10px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:16px;color:var(--navy);font-weight:800}.application svg{color:var(--blue)}
.page-hero{position:relative;overflow:hidden;padding:58px 0;background:linear-gradient(135deg,#f9fcff,#edf8ff)}.page-hero .inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:34px}.page-hero h1{font-size:clamp(2.6rem,5vw,4.8rem);line-height:.98;color:var(--navy);letter-spacing:-.05em;margin:10px 0 16px}.page-hero img{height:360px;width:100%;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}.breadcrumb{font-size:.86rem;color:var(--muted)}.breadcrumb a{color:var(--blue)}
.tool-layout{display:grid;grid-template-columns:320px 1fr;gap:24px}.tool-nav{position:sticky;top:105px;align-self:start;padding:14px}.tool-nav a{display:flex;gap:10px;align-items:center;padding:13px 14px;border-radius:13px;font-weight:800;color:#39496c}.tool-nav a:hover{background:#edf7ff;color:var(--blue)}.tool-panel{padding:28px;scroll-margin-top:105px}.tool-panel h2{font-size:2rem;color:var(--navy);margin:0 0 7px}.steps{display:flex;gap:8px;margin:20px 0}.stepdot{width:32px;height:32px;border-radius:999px;border:1px solid #b9dafa;display:grid;place-items:center;font-weight:900;color:#558}.stepdot.active{background:var(--blue);color:#fff;border-color:var(--blue)}.option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.option{border:1px solid #cfe2f3;background:#fff;border-radius:14px;padding:15px;text-align:left;font-weight:800;color:#25375d;transition:.18s}.option:hover{border-color:var(--blue);transform:translateY(-2px)}.option.selected{background:#eaf6ff;border-color:var(--blue);color:var(--blue)}.result{margin-top:18px;border-radius:18px;padding:20px;background:#eefcf6;border:1px solid #bdebd6;color:#0b6546}.result h3{color:#0b6546}.result .combo{font-size:1.2rem;font-weight:900;color:#074d38}.result.warning{background:#fff8e7;border-color:#f5d68c;color:#7b5a11}.sim-visual{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:18px 0}.tube-card{border:2px solid #d8e6f3;border-radius:18px;padding:22px;text-align:center;background:#fff}.tube-card.active{border-color:var(--blue);box-shadow:0 0 0 4px rgba(8,122,241,.08)}.tube{margin:0 auto 10px;width:90px;height:90px;border-radius:50%;background:radial-gradient(circle at center,#8d5a24 0 22%,#f7f7f7 23% 64%,#ddd 65% 70%,transparent 71%);filter:drop-shadow(0 8px 14px rgba(0,0,0,.12))}.tube.big{background:radial-gradient(circle at center,#8d5a24 0 36%,#f7f7f7 37% 64%,#ddd 65% 70%,transparent 71%)}.ribbon-tabs{display:flex;gap:8px;flex-wrap:wrap}.ribbon-tabs button{flex:1;min-width:120px}.meter{display:grid;grid-template-columns:140px 1fr auto;align-items:center;gap:12px;margin:12px 0}.bar{height:10px;background:#e6edf5;border-radius:999px;overflow:hidden}.bar i{display:block;height:100%;width:20%;background:linear-gradient(90deg,var(--blue),var(--blue2));border-radius:999px;transition:width .4s}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-size:.82rem;font-weight:900;color:#334668;margin-bottom:6px}.field input,.field select{width:100%;padding:13px 14px;border-radius:12px;border:1px solid #c9dcec;background:#fff;outline:none}.field input:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(8,122,241,.1)}.calc-result{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}.calc-chip{padding:15px;border-radius:14px;background:#edf7ff;border:1px solid #cfe7fb}.calc-chip b{display:block;color:var(--navy);font-size:1.35rem}.calc-chip span{font-size:.8rem;color:#567}.winding-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}.wind{border:1px solid #cfdfed;background:#fff;border-radius:16px;padding:12px;text-align:center;transition:.18s}.wind:hover{transform:translateY(-3px);border-color:var(--blue)}.wind.selected{border:2px solid var(--blue);background:#eef7ff}.wind .roll-icon{width:86px;height:70px;margin:auto;position:relative}.wind .roll-icon:before{content:"";position:absolute;inset:9px 20px 9px 10px;border-radius:50%;border:8px solid #9ecfff;background:#fff;box-shadow:inset 0 0 0 3px #5e411f}.wind .arrow{font-size:1.6rem;color:var(--blue);font-weight:900}.summary-box{position:sticky;bottom:16px;z-index:50;margin-top:24px;background:rgba(7,23,91,.94);backdrop-filter:blur(14px);color:#fff;border-radius:20px;padding:16px 18px;display:flex;align-items:center;gap:12px;box-shadow:0 16px 40px rgba(7,23,91,.22)}.summary-box .sumtext{flex:1;font-size:.86rem;color:#e8f0ff}.summary-box strong{display:block;color:#fff;font-size:1rem}.summary-box .btn{background:#fff;color:var(--navy)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}.table{width:100%;border-collapse:collapse;min-width:560px}.table th{background:linear-gradient(135deg,var(--blue),#0b65e6);color:#fff;text-align:left;padding:13px 14px}.table td{padding:12px 14px;border-bottom:1px solid #e7eef5}.table tr:nth-child(even) td{background:#f6fbff}.material-card{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:center}.material-card img{width:220px;height:170px;object-fit:contain;border-radius:18px;background:linear-gradient(135deg,#fafdff,#edf8ff);padding:8px}.specs{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.spec{padding:7px 9px;border-radius:999px;background:#edf7ff;color:#175197;font-size:.78rem;font-weight:800}.catalog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.catalog-page img{width:100%;border-radius:20px;border:1px solid var(--line);box-shadow:0 16px 34px rgba(7,23,91,.08)}.catalog-page figcaption{padding-top:10px;color:var(--muted);font-size:.86rem}.maintenance-hero{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.maintenance-hero img{height:420px;width:100%;object-fit:cover;border-radius:30px}.service-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.service{padding:20px;border-radius:18px;border:1px solid var(--line);background:#fff}.service svg{width:34px;height:34px;color:var(--blue);margin-bottom:10px}.notice{padding:16px 18px;border-radius:16px;background:#fff9e9;border:1px solid #f4d78a;color:#77590d}.security-note{padding:16px 18px;background:#edf7ff;border-left:4px solid var(--blue);border-radius:10px;color:#345}.footer{margin-top:70px;border-top:1px solid var(--line);background:#fff}.footer-main{padding:44px 0 28px;display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:30px}.footer .logo{width:190px}.footer h4{color:var(--navy);margin:0 0 12px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:8px 0;color:#52617b}.footer a:hover{color:var(--blue)}.footer-bottom{border-top:1px solid #e7eef5;padding:18px 0;font-size:.84rem;color:#66748d;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.floating-wa{position:fixed;right:20px;bottom:20px;z-index:900;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#14b866;color:#fff;box-shadow:0 12px 28px rgba(20,184,102,.32);transition:.2s}.floating-wa:hover{transform:translateY(-4px) scale(1.04)}.floating-wa svg{width:28px;height:28px}.cookie{position:fixed;left:18px;right:18px;bottom:18px;z-index:2000;max-width:820px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);display:none;align-items:center;gap:14px}.cookie.show{display:flex}.cookie p{margin:0;flex:1;font-size:.86rem;color:#4d5d79}
@media (hover:hover){.card.hover:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(7,23,91,.12)}}
@media (max-width:1100px){.navlinks{position:fixed;inset:82px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);padding:16px;display:none;flex-direction:column;align-items:stretch}.navlinks.open{display:flex}.navlinks a{text-align:center}.menu-btn{display:block}.navcta .btn-outline{display:none}.hero-grid,.page-hero .inner,.maintenance-hero{grid-template-columns:1fr}.hero-photo{min-height:380px}.hero-photo img{height:420px}.tool-strip{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-5{grid-template-columns:repeat(3,1fr)}.tool-layout{grid-template-columns:1fr}.tool-nav{position:relative;top:auto;display:flex;overflow:auto;white-space:nowrap}.tool-nav a{flex:0 0 auto}.footer-main{grid-template-columns:1.2fr 1fr 1fr}.footer-main>div:last-child{grid-column:1/-1}.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.container{width:min(100% - 22px,680px)}.nav{height:70px;gap:10px}.brand{min-width:0;flex:1}.brand img{width:150px}.brand small{display:none}.navlinks{inset:70px 0 auto}.navcta .btn-primary{padding:10px 12px;font-size:.82rem}.hero{padding-top:26px}.hero h1{font-size:3rem}.hero p{font-size:1rem}.hero-photo img{height:330px;border-radius:24px}.hero-photo{min-height:330px}.hero-note{position:relative;right:auto;bottom:auto;margin:-40px 16px 0;width:auto}.tool-strip{grid-template-columns:1fr 1fr}.section{padding:58px 0}.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}.band{flex-direction:column;align-items:flex-start}.update-box{grid-template-columns:1fr}.update-box img{height:220px}.stats{grid-template-columns:1fr 1fr}.page-hero{padding:36px 0}.page-hero img{height:280px}.page-hero h1{font-size:3rem}.option-grid,.form-grid,.sim-visual{grid-template-columns:1fr}.calc-result{grid-template-columns:1fr 1fr}.winding-grid{grid-template-columns:repeat(2,1fr)}.material-card{grid-template-columns:1fr}.material-card img{width:100%;height:240px}.catalog-grid{grid-template-columns:1fr}.service-list{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr 1fr}.footer-main>div:first-child,.footer-main>div:last-child{grid-column:1/-1}.summary-box{flex-wrap:wrap}.summary-box .btn{width:100%}}
@media (max-width:480px){.hero h1,.page-hero h1{font-size:2.45rem}.tool-strip{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.calc-result{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr}.footer-main>div{grid-column:auto!important}.navcta .btn-primary span{display:none}.navcta .btn-primary{width:44px;height:44px;padding:0}.hero-actions .btn{width:100%}.meter{grid-template-columns:100px 1fr 34px}.cookie{flex-direction:column;align-items:stretch}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.text-navy{color:var(--navy)!important}.mt-20{margin-top:20px!important}.mt-22{margin-top:22px!important}.mt-24{margin-top:24px!important}.update-title{font-size:2.4rem;margin:14px 0 8px}.center-narrow{text-align:center;max-width:720px}.mx-auto{margin-inline:auto!important}.img-cover-250{height:250px;width:100%;object-fit:cover}.img-cover-420{height:420px;width:100%;object-fit:cover}.img-cover-520{width:100%;height:520px;object-fit:cover}
/* v2 — layout, accessibility and tool refinements */
html{scroll-behavior:smooth}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}
.brand{min-width:0;flex-shrink:0;gap:11px;max-width:390px}.brand img{width:168px;max-width:none}.brand small{white-space:nowrap;flex-shrink:0;font-size:.62rem;letter-spacing:.07em;line-height:1.26;padding-left:12px}
.nav{gap:14px}.navlinks{min-width:0;gap:2px}.navlinks a{white-space:nowrap;padding:10px 8px;font-size:.82rem}.navcta .btn{white-space:nowrap;font-size:.81rem}
.tool-mini svg{width:26px;height:26px;stroke:currentColor}.tool-mini:focus-visible,.btn:focus-visible,.option:focus-visible,.wind:focus-visible{outline:3px solid #0a83f6;outline-offset:3px}
.product-card img{padding:0;object-fit:cover;background:#f3faff}.material-card img{object-fit:cover}
.microcopy{color:#64738d;font-size:.85rem}.security-note{min-height:1.5em}.option{cursor:pointer;line-height:1.3}.option.selected{box-shadow:0 0 0 2px rgba(8,122,241,.12)}
.tube-card{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:315px;gap:10px}
.tube{width:66px;height:66px;flex-shrink:0;background:radial-gradient(circle at 45% 43%,#6d4a2d 0 19%,#ad8251 20% 26%,#e9edf5 27% 59%,#a4cbe2 60% 67%,transparent 68%);box-shadow:9px 11px 20px rgba(10,45,94,.18),inset 3px 2px 5px rgba(7,46,83,.12)}
.tube.big{width:198px;height:198px;background:radial-gradient(circle at 45% 43%,#6d4a2d 0 19%,#ad8251 20% 26%,#e9edf5 27% 59%,#a4cbe2 60% 67%,transparent 68%)}
.tube-card p{font-size:.83rem;max-width:300px}.tube-card b{color:#0a2462}
.winding-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.wind{padding:12px 10px;text-align:center;cursor:pointer;min-width:0}.wind svg.wind-drawing{width:100%;max-width:205px;height:auto;display:block;margin:0 auto 8px}.wind span{display:block;font-size:.72rem;color:#42597a;line-height:1.35;margin-top:5px}.wind b{color:#092563}.wind:hover{transform:translateY(-3px)}
.winding-legend{display:flex;gap:15px;flex-wrap:wrap;margin:12px 0;color:#48617e;font-size:.82rem}
.maint-dialog{border:1px solid #cfe5f8;border-radius:26px;box-shadow:0 26px 80px rgba(6,35,86,.28);padding:0;width:min(92vw,750px);max-height:90vh;overflow:auto;color:#0d2e62}.maint-dialog::backdrop{background:rgba(4,21,59,.64);backdrop-filter:blur(4px)}
.maint-modal-form{padding:26px}.modal-heading{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.modal-heading h2{margin:8px 0;font-size:1.8rem;line-height:1.1}.modal-close{font-size:2.1rem;border:0;background:#e9f5ff;color:#123b77;border-radius:12px;width:42px;height:42px;cursor:pointer}.maint-modal-form>.field{display:block;margin:16px 0}.field textarea{display:block;width:100%;padding:13px;border-radius:12px;border:1px solid #c9dcec;resize:vertical}
.defect-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:0;padding:0;gap:8px}.defect-options legend{font-weight:800;margin-bottom:10px}.defect-options label{padding:11px;border:1px solid #d4e8fa;border-radius:12px;font-size:.86rem;display:flex;align-items:center;gap:9px}.defect-options input{accent-color:#087af1}.modal-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap;margin-top:20px}
.hero .eyebrow{font-size:.75rem}.hero h1{overflow-wrap:normal;text-wrap:balance}
@media (max-width:1500px){.brand small{display:none}.brand img{width:155px}}
@media (max-width:1260px){.navlinks a{padding:8px 6px;font-size:.78rem}}
@media (max-width:1180px){.navlinks{position:fixed;inset:82px 0 auto 0;display:none;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);padding:16px}.navlinks.open{display:flex}.navlinks a{text-align:center;font-size:.98rem;padding:12px}.menu-btn{display:block}.navlinks{box-shadow:0 14px 24px #11336619}}
@media (max-width:760px){.navlinks{top:70px;inset:70px 0 auto}.tube-card{min-height:285px}.winding-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.defect-options{grid-template-columns:1fr}.maint-modal-form{padding:18px}.modal-actions .btn{flex:1}.hero h1{font-size:clamp(2.3rem,10vw,3.2rem)}}
@media (max-width:380px){.winding-grid{grid-template-columns:1fr 1fr}.brand img{width:138px}.modal-actions{flex-direction:column}}

.hero-photo img{object-fit:cover}

/* v3 • Fluid screens, photograph fit, cookie preferences */
:root{--max:3200px}
.container{width:min(92%,var(--max));margin-inline:auto}
.tool-layout{grid-template-columns:clamp(245px,18vw,310px) minmax(0,1fr)}
.tool-layout>.grid{min-width:0}
.grid>*{min-width:0}
.page-hero .inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.page-hero img{object-fit:cover;object-position:center;height:clamp(290px,28vw,480px)}
.material-card img{object-fit:cover}
.product-card img{object-fit:cover;padding:0}
.tube-photo-figure{margin:20px 0 12px;background:#eef7ff;border:1px solid #d9eafb;border-radius:22px;padding:8px;overflow:hidden}
.tube-comparison-photo{width:100%;height:auto;aspect-ratio:1672/941;object-fit:contain;border-radius:16px}
.tube-photo-figure figcaption{font-size:.78rem;color:#526a89;text-align:center;padding:5px 0}
.tube-card{min-height:0;padding:17px}.tube-card b{display:block;margin-bottom:5px}.tube-card p{margin:0 auto}
.winding-grid.winding-choices{grid-template-columns:repeat(3,minmax(0,1fr))}
.wind.winding-choice{display:flex;align-items:center;flex-direction:column;gap:10px;text-align:center;padding:14px 12px}
.wind.winding-choice img{width:100%;aspect-ratio:4/3;object-fit:contain;border-radius:12px;background:#f7fbff}
.wind.winding-choice b{font-size:.95rem;line-height:1.2}.wind.winding-choice span{font-size:.82rem;line-height:1.4;margin:0}
.winding-custom{margin:16px 0}.winding-custom[hidden]{display:none}.winding-custom label{display:block;font-weight:800;color:var(--navy)}.winding-custom textarea{width:100%;padding:12px;border:1px solid #bcd9f5;border-radius:12px;resize:vertical;margin-top:8px}
.footer-legals{display:inline-flex;gap:14px;flex-wrap:wrap;align-items:center}.footer-legals a,.footer-legals button{color:inherit;text-decoration:underline;text-underline-offset:3px}.footer-legals button{padding:0;border:0;background:none;font:inherit;cursor:pointer}
.cookie-notice[hidden]{display:none!important}.cookie-notice{position:fixed;z-index:2500;bottom:clamp(10px,2vw,24px);left:clamp(10px,2vw,24px);max-width:min(980px,calc(100vw - 20px));width:calc(100% - 48px);background:#fff;border:1px solid #c9e2fa;border-radius:20px;box-shadow:0 22px 70px rgba(5,30,87,.24);padding:20px;color:#1b3152}
.cookie-content{display:grid;gap:15px}.cookie-head{display:flex;gap:14px;align-items:flex-start}.cookie-symbol{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;flex:0 0 auto;background:#e8f5ff;color:#087af1;font-size:1.5rem}.cookie-head strong{font-size:1.05rem;color:var(--navy)}.cookie-head p{font-size:.9rem;line-height:1.5;margin:5px 0 0}.cookie-head a,.cookie-dialog a,.privacy-content a{color:#0868d1;text-decoration:underline;text-underline-offset:2px}.cookie-actions{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}.cookie-actions .btn{font-size:.85rem;padding:11px 14px}
.cookie-dialog{color:#172c4d;border:1px solid #bddbf6;border-radius:23px;width:min(680px,calc(100vw - 24px));max-height:90dvh;overflow:auto;padding:0;box-shadow:0 30px 80px #05163850}.cookie-dialog::backdrop{background:#081833a6;backdrop-filter:blur(3px)}.cookie-dialog-inner{padding:28px}.cookie-dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.cookie-dialog-heading h2{color:var(--navy);font-size:1.7rem;margin:4px 0}.cookie-dialog-inner>p{color:#4d5b74}.cookie-close{font-size:2rem;line-height:1;min-width:42px;height:42px;border-radius:12px;border:0;background:#eaf5ff;color:#164c86}.cookie-setting-row{display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid #d5e5f3;border-radius:16px;padding:16px;margin:10px 0}.cookie-setting-row strong{color:#0c2b62}.cookie-setting-row p{margin:4px 0 0;color:#4d5c79;font-size:.86rem}.cookie-always{white-space:nowrap;color:#107e5e;background:#e9f8ee;border-radius:99px;padding:6px 10px;font-size:.75rem;font-weight:800}.cookie-switch{width:22px;height:22px;accent-color:#087af1;flex:0 0 auto}.cookie-dialog-actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap;margin-top:22px}.cookie-footnote{font-size:.83rem;margin-bottom:0}
.privacy-content{max-width:1000px;box-shadow:0 12px 38px #132b4a10}.privacy-content h2{color:var(--navy);margin:28px 0 8px;font-size:1.28rem}.privacy-content p{color:#465777;line-height:1.75;margin:10px 0}.privacy-content .privacy-updated{font-size:.85rem;color:#53789a}.privacy-table{display:grid;gap:8px;margin:18px 0}.privacy-table>div{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:14px;border:1px solid #d6e9f8;border-radius:12px}.privacy-table strong{color:var(--navy)}.inline-action{border:0;background:none;padding:0;color:var(--blue);text-decoration:underline;cursor:pointer;font-weight:700}
@media(min-width:2200px){.section{padding-block:95px}.hero h1{font-size:clamp(5.1rem,4.3vw,6.3rem)}.hero-photo,.hero-photo img{min-height:580px;height:580px}.tool-strip{gap:18px}.product-card img{height:290px}}
@media(max-width:1400px){.container{width:calc(100% - 44px)}}
@media(max-width:1180px){.tool-layout{grid-template-columns:minmax(215px,250px) minmax(0,1fr)}}
@media(max-width:900px){.tool-layout{grid-template-columns:1fr}.tool-nav{position:relative;top:auto;display:flex;gap:6px;overflow-x:auto;white-space:nowrap}.tool-nav a{flex:0 0 auto}.winding-grid.winding-choices{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.container{width:calc(100% - 26px)}.page-hero .inner{grid-template-columns:1fr}.page-hero img{height:auto;max-height:430px;aspect-ratio:3/2;object-fit:cover}.tube-card{min-height:0}.cookie-notice{width:calc(100% - 20px);left:10px;bottom:10px;padding:15px}.cookie-actions{justify-content:stretch}.cookie-actions .btn{flex:1 1 130px}.cookie-dialog-inner{padding:20px}.winding-grid.winding-choices{grid-template-columns:1fr}.wind.winding-choice img{max-height:210px}.privacy-table>div{grid-template-columns:1fr;gap:5px}.cookie-setting-row{padding:12px}.cookie-dialog-actions .btn{flex:1 1 145px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}