/* ===== Dynasthetics shared styles. Edit colors here, once, for the whole site. ===== */
:root{
  --orange:#f8951d; --orange-deep:#d97a05;
  --blue:#0075b6;   --blue-deep:#004f7a; --blue-tint:#e5f2f9;
  --orange-tint:#fff1df; --green:#53b848;  --green-deep:#2b7a30; --green-tint:#eaf6e8;
  --ink:#16222e; --muted:#51606e; --bg:#fff; --surface:#f5f7f9; --line:#dce3ea; --link:#0075b6;
  --max:1120px;
}
@media (prefers-color-scheme:dark){
  :root{--ink:#eaf0f5;--muted:#a9b7c4;--bg:#0e1620;--surface:#15212d;--line:#263647;--blue-tint:#12283a;--green-tint:#13291a;--orange-tint:#2e2112;--link:#5db3e6}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Figtree,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:1.0625rem}
img{max-width:100%;height:auto;display:block}
a{color:var(--link)}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
h1,h2,h3{line-height:1.15;letter-spacing:-.01em}

/* Header + nav */
.site-header{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:4px solid var(--orange)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:68px}
.logo img{height:42px;width:auto}
nav ul{list-style:none;margin:0;padding:0}
.menu-btn{display:none;background:none;border:2px solid var(--line);border-radius:8px;padding:.5rem .9rem;font:inherit;font-weight:700;color:var(--ink);min-height:44px}
.top{display:flex;align-items:center;gap:.25rem}
.top>li{position:relative}
.top>li>a{display:block;padding:.85rem .8rem;text-decoration:none;color:var(--ink);font-weight:700}
.top>li>a:hover{color:var(--link)}
.sub{display:none;position:absolute;left:0;top:100%;min-width:230px;background:var(--bg);border:1px solid var(--line);border-top:4px solid var(--green);border-radius:0 0 8px 8px;box-shadow:0 10px 24px rgba(0,60,100,.18);padding:.4rem 0}
.top>li:hover .sub,.top>li:focus-within .sub{display:block}
.sub a{display:block;padding:.5rem 1rem;text-decoration:none;color:var(--ink);font-weight:500}
.sub a:hover{background:var(--blue-tint)}
.top .buy a{background:var(--orange);color:var(--ink);border-radius:8px;padding:.6rem 1.1rem;margin-left:.5rem}
.top .buy a,.top .buy a:hover,.top .buy a:focus-visible{color:#16222e}
.top .buy a:hover{background:var(--orange-deep)}
/* current-section marker, driven by <body data-section="..."> */
body[data-section="sovant"] .nav-sovant>a{box-shadow:inset 0 -4px var(--blue)}
body[data-section="vapor"] .nav-vapor>a{box-shadow:inset 0 -4px var(--orange)}
body[data-section="about"] .nav-about>a{box-shadow:inset 0 -4px var(--green)}
body[data-section="vapor"] .site-header{border-bottom-color:var(--blue)}

/* Buttons */
.links{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.5rem}
.btn{display:inline-block;padding:.7rem 1.2rem;border-radius:8px;font-weight:700;text-decoration:none;border:2px solid transparent;min-height:44px}
.btn.primary{background:var(--orange);color:#16222e}
.btn.primary:hover{background:var(--orange-deep);color:#16222e}
.btn.ghost{border-color:currentColor;background:transparent;color:inherit}

/* Home hero */
.hero{padding-block:3.5rem 2.5rem}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);margin:0 0 1rem;max-width:28ch;font-weight:800}
.hero p{max-width:56ch;color:var(--muted);font-size:1.2rem;margin:0}

/* Product panels (home) */
.products{display:grid;grid-template-columns:1fr 1fr;gap:3rem;padding-bottom:3.5rem}
.panel{border-radius:14px;padding:2rem;display:flex;flex-direction:column;gap:.9rem;border:1px solid var(--line)}
.panel.sovant{background:var(--blue-tint);border-top:6px solid var(--blue)}
.panel.vapor{background:var(--orange-tint);border-top:6px solid var(--orange)}
.panel h2{margin:0;font-size:1.9rem}
.panel .lead{font-size:1.15rem;font-weight:700;margin:0}
.panel p{margin:0}
.panel img{border-radius:10px;margin:.4rem auto 0;background:#fff;width:75%;height:auto;aspect-ratio:9/10;object-fit:cover;display:block}
.panel.sovant img{object-position:50% 40%}
.panel.vapor img{object-position:25% 50%}
.panel .links{margin-top:auto;padding-top:.4rem}

/* Product page band (Sovant = blue, Vapor-Clean = green) */
.band{color:#fff;padding:3.5rem 0 3rem;border-bottom:6px solid var(--orange)}
.band.sovant{background:var(--blue)} .band.vapor{background:var(--orange);color:#fff;border-bottom-color:var(--blue)} .band.about{background:var(--green);color:#fff;border-bottom-color:var(--blue)}
.band.sovant h1,.band.sovant p,.band.vapor h1,.band.vapor p,.band.about h1,.band.about p{text-shadow:0 1px 3px rgba(0,0,0,.35)}
.band h1{margin:0 0 .6rem;font-size:clamp(2.2rem,6vw,3.6rem);font-weight:800}
.band p{margin:0;max-width:52ch;font-size:1.25rem}
.band .btn.ghost{color:#fff}
.band.vapor .btn.primary{background:var(--blue-deep);color:#fff}
.band.vapor .btn.primary:hover{background:var(--blue)}
.band.vapor .btn.ghost,.band.about .btn.ghost{color:#fff}

.note.draft{border-left:6px solid var(--orange);margin:0 0 1.5rem}

/* Facts, sections, lists */
.facts{background:var(--surface);padding:2.5rem 0;border-bottom:1px solid var(--line)}
.facts ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.facts.two ul{grid-template-columns:repeat(2,1fr)}
.facts li{border-left:5px solid var(--orange);padding-left:1rem}
.facts li.b{border-left-color:var(--blue)}
.facts b{display:block;font-size:1.6rem;line-height:1.2}
.facts span{color:var(--muted)}
.section{padding-block:3.5rem}
.section h2{font-size:clamp(1.6rem,3.5vw,2.2rem);margin:0 0 1rem}
.section p{max-width:65ch}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
.list{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.list a{display:block;padding:.9rem 1.1rem;border:1px solid var(--line);border-left:5px solid var(--blue);border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600}
.list a:hover{background:var(--blue-tint)}
.list.o a{border-left-color:var(--orange)} .list.o a:hover{background:var(--orange-tint)}
.list small{display:block;font-weight:400;color:var(--muted)}
.note{margin-top:1.5rem;padding:1rem 1.2rem;border-radius:8px;background:var(--surface);border:1px solid var(--line)}
.feature{padding:1.4rem 0;border-top:1px solid var(--line)}
.feature h3{margin:0 0 .3rem;font-size:1.4rem}
.feature p{margin:0}
.feature.b{border-left:6px solid var(--blue);padding-left:1.2rem}
.feature.g{border-left:6px solid var(--green);padding-left:1.2rem}
.feature.o{border-left:6px solid var(--orange);padding-left:1.2rem}

/* Call to action band */
.cta{background:var(--blue-deep);color:#fff;padding:3.5rem 0;text-align:center;border-top:6px solid var(--orange)}
.cta h2{margin:0 0 .75rem;font-size:clamp(1.6rem,4vw,2.3rem)}
.cta p{margin:0 auto 1.5rem;max-width:56ch;color:#dcecf6}
.cta .btn.ghost{color:#fff;margin-left:.4rem}

/* Footer */
.site-footer{background:var(--surface);padding:2.5rem 0;font-size:.95rem;border-top:4px solid var(--green)}
.site-footer .cols{grid-template-columns:repeat(3,1fr);gap:1.5rem}
.site-footer h3{margin:0 0 .4rem;font-size:1rem}
.site-footer p{margin:0 0 .4rem}
.site-footer img{height:36px;width:auto;margin-bottom:.6rem}
.copy{margin-top:1.5rem;color:var(--muted)}


/* Content pages (studies, FAQ, videos) */
.prose{max-width:75ch}
.prose.wide{max-width:none}
.prose h2{font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.25;margin:0 0 1rem}
.prose h3{font-size:1.1rem;margin:1.6rem 0 .4rem}
.prose p,.prose li{line-height:1.65}
.prose a{color:var(--blue-deep)}
.prose img{max-width:100%;height:auto;border-radius:6px}
.prose blockquote{margin:1.25rem 0;padding:.25rem 1.25rem;border-left:5px solid var(--orange);background:var(--orange-tint);color:var(--ink)}
.prose .source{margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--line,#d9e0e6);font-weight:600}
.lead{font-size:1.2rem}
.backlink{margin:0 0 1.25rem;font-size:.95rem}
.backlink a::before{content:"\2190\00a0"}
.refs{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.refs li{padding:.75rem 1rem;border-left:4px solid var(--orange);background:var(--surface)}
.refs li p{margin:0}
.faq h3{margin-top:1.4rem;color:var(--blue-deep)}
.faq p{margin:.3rem 0 0}
.video{position:relative;aspect-ratio:16/9;max-width:960px;background:#000;border-radius:8px;overflow:hidden}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.cards{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem}
.card{display:block;height:100%;background:var(--surface);border-top:5px solid var(--orange);border-radius:8px;overflow:hidden;color:inherit;text-decoration:none}
.card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.card-body{display:block;padding:1rem 1.1rem 1.2rem}
.card-body strong{display:block;margin-bottom:.35rem;color:var(--blue-deep)}
.card:hover,.card:focus-visible{box-shadow:0 4px 14px rgba(0,0,0,.18)}


/* Sovant / About page types */
.figs{display:grid;gap:1.25rem;align-content:start}
.figs img{width:100%;height:auto;border-radius:8px}
.prose video.loopvid{max-width:100%;height:auto;border-radius:8px}
.product .sku{margin:0;color:var(--muted)}
.product .price{margin:.2rem 0 1rem;font-size:2rem;font-weight:800}
.cart{display:flex;flex-wrap:wrap;gap:.75rem;margin:0 0 1.25rem}
.cart input[type=image]{cursor:pointer;max-width:100%;height:auto}
.figs.small img{width:60%;margin-inline:auto}
.figs.small.s75 img{width:45%}
.figs.s70 img{width:70%;margin-inline:auto}
.vgrid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}
.vcard{background:var(--surface);border:1px solid var(--line);border-top:5px solid var(--orange);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
body[data-section="sovant"] .vcard{border-top-color:var(--blue)}
.vcard .video{max-width:none;border-radius:0}
.vcard-body{padding:1rem 1.15rem 1.3rem}
.vcard h3{margin:0 0 .35rem;font-size:1.1rem;line-height:1.3}
.vcard p{margin:0;color:var(--muted);font-size:.95rem}
.section.tight-after{padding-bottom:1.5rem}
.section.tight-before{padding-top:2.75rem}
.prose>img{display:block;margin:0 0 1.75rem}
.prose>img+h2{margin-top:0}
.prose>.video{margin-bottom:3rem}
.prose>.video+h2{margin-top:0}
.band .hero-video{margin:1.5rem 0 0;max-width:720px}
.intro-cards{margin-top:0}
.intro-cards .card{border-top-color:var(--blue)}
.refs.blue li{border-left-color:var(--blue)}
.req{color:#c0261c;font-weight:700}
.form{display:grid;gap:1rem;max-width:560px}
.form label{display:grid;gap:.3rem;font-weight:600}
.form input,.form textarea{font:inherit;padding:.65rem .75rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);min-height:44px;width:100%}
.form input:focus,.form textarea:focus{outline:3px solid var(--blue);outline-offset:1px}
.form-actions{display:flex;gap:.6rem;flex-wrap:wrap}
.form .btn{cursor:pointer;font:inherit;font-weight:700}
.calc{margin:1.5rem 0;padding:1.4rem;border:1px solid var(--line);border-top:5px solid var(--blue);border-radius:8px;background:var(--surface);display:grid;gap:1rem}
.calc h3{margin:0}
.calc label{display:grid;gap:.3rem;font-weight:600}
.calc input{font:inherit;padding:.65rem .75rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);min-height:44px}
.results{margin:0;display:grid;gap:.75rem}
.results div{padding:.75rem 1rem;border-left:5px solid var(--line);background:var(--bg)}
.results .hi{border-left-color:var(--green)}
.results dt{color:var(--muted)}
.results dd{margin:.15rem 0 0;font-size:1.6rem;font-weight:800}
.people{display:grid;gap:1.25rem;margin-top:1.5rem}
.person{padding:1.1rem 1.25rem;border-left:5px solid var(--green);background:var(--surface);border-radius:0 8px 8px 0}
.person h3{margin:0}
.person .role{margin:.1rem 0 .5rem;color:var(--green-deep);font-weight:700}
.person p:last-child{margin-bottom:0}
.news{list-style:none;margin:0;padding:0;display:grid;gap:1.1rem}
.news li{display:grid;grid-template-columns:150px 1fr;gap:1.25rem;align-items:center;padding:1rem 0;border-bottom:1px solid var(--line)}
.news .logo-link{display:block}
.news img{max-width:100%;height:auto;max-height:90px;margin-inline:auto;display:block}
.news p{margin:0 0 .3rem}
@media (max-width:600px){.news li{grid-template-columns:1fr}.news img{margin-inline:0}}
.band .video{max-width:720px}

@media (max-width:860px){
  .menu-btn{display:block}
  nav{position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:4px solid var(--orange);display:none;max-height:calc(100vh - 80px);overflow:auto}
  nav.open{display:block}
  .top{flex-direction:column;align-items:stretch;padding:.5rem 1.25rem 1rem}
  .sub{display:block;position:static;border:0;box-shadow:none;padding:0 0 .4rem 1rem;min-width:0}
  .top>li>a{padding:.7rem 0}
  .sub a{padding:.55rem 0}
  .top .buy a{margin:.6rem 0 0;text-align:center}
  .products,.cols,.site-footer .cols,.facts ul,.facts.two ul{grid-template-columns:1fr}
  .hero{padding-block:2.25rem 1.5rem}
  .panel{padding:1.4rem}
  .band{padding:2.25rem 0 2rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* long words/URLs must never force sideways scroll on phones */
.wrap{overflow-wrap:anywhere}
.cols>*,.products>*{min-width:0}
.figs img,.product img{max-width:100%;height:auto}