/* Layout: retail-style light page — thin translucent nav, statement hero with specialist links, category icon strip, horizontal card shelves (Technology, Equipment, Difference, Steps), FAQ, contact, dense footer. Single deliberate light theme. */
:root{
  --bg:#F5F5F7; --card:#FFFFFF; --ink:#1D1D1F; --gray:#6E6E73; --gray-2:#86868B; --line:#D2D2D7; --chip:#E8E8ED;
  --blue:#15599A; --blue-hover:#0F4679; --blue-link:#15599A; --navy:#0A3558; --green:#2E9A48;
  --dark:#101114;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","Segoe UI",Roboto,Arial,sans-serif;
  --maxw:1180px; --gut:clamp(16px,4vw,32px);
  --ease:cubic-bezier(.25,.1,.25,1);
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.47;letter-spacing:-.022em;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue-link);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.03em;line-height:1.08;text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.muted{color:var(--gray-2)}
.chev::after{content:" ›"}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:980px;font:500 .94rem var(--font);letter-spacing:-.01em;border:0;cursor:pointer;text-decoration:none!important;white-space:nowrap;transition:background-color .25s var(--ease),transform .2s var(--ease)}
.btn:active{transform:scale(.98)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-hover)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}
.btn-sm{min-height:30px;padding:0 14px;font-size:.8rem}

/* Nav */
.gnav{position:sticky;top:env(safe-area-inset-top,0px);z-index:60;background:rgba(251,251,253,.8);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}
.gnav .wrap{display:flex;align-items:center;gap:28px;height:52px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none!important;flex:none}
.logo img{width:34px;height:auto}
.logo b{font-size:.9rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--navy)}
.logo b small{font-size:.62rem;font-weight:700;letter-spacing:.2em;color:var(--green);margin-left:6px}
.gnav nav{display:flex;gap:26px;margin-left:auto}
.gnav nav a{font-size:.78rem;color:#1D1D1F;opacity:.82;text-decoration:none;transition:opacity .2s}
.gnav nav a:hover{opacity:1}
.burger{display:none;margin-left:auto;width:40px;height:40px;border:0;background:transparent;border-radius:8px;cursor:pointer;color:var(--ink);align-items:center;justify-content:center}
.burger svg{width:18px;height:18px}
.mnav{background:rgba(251,251,253,.98);border-bottom:1px solid rgba(0,0,0,.08)}
.mnav nav{display:grid;padding-block:8px 24px}
.mnav a{font-size:1.5rem;font-weight:600;color:var(--ink);padding:10px 0;text-decoration:none}
.mnav .btn{margin-top:14px;justify-self:start;font-size:1rem}
@media (max-width:860px){.gnav nav,.gnav .btn{display:none}.burger{display:inline-flex}}

/* Hero */
.hero{padding-block:clamp(40px,6vw,72px) clamp(28px,4vw,44px)}
.hero .wrap{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.hero h1{font-size:clamp(2.4rem,4.8vw,4rem);font-weight:600;max-width:13em;line-height:1.06;flex:1 1 560px}
.hero h1 span{color:var(--blue)}
.hero-aside{display:grid;gap:16px;padding-bottom:10px;max-width:280px}
.aside-row{display:flex;gap:12px;align-items:center}
.aside-row .av{width:40px;height:40px;border-radius:50%;background:var(--card);display:grid;place-items:center;flex:none;box-shadow:0 0 0 1px rgba(0,0,0,.06)}
.aside-row .av svg{width:20px;height:20px;color:var(--ink)}
.aside-row p{font-size:.84rem;line-height:1.35;color:var(--ink);font-weight:600}
.aside-row p a{font-weight:400}

/* Category strip */
.cats{display:flex;align-items:flex-start;gap:clamp(18px,3vw,36px);overflow-x:auto;scrollbar-width:none;padding-block:28px 8px;scroll-snap-type:x proximity}
.cats::-webkit-scrollbar{display:none}
.cat{flex:none;display:grid;justify-items:center;gap:12px;width:104px;text-align:center;color:var(--ink);font-size:.84rem;font-weight:600;text-decoration:none!important;scroll-snap-align:start}
.cat .tile{width:88px;height:72px;display:grid;place-items:center;transition:transform .35s var(--ease)}
.cat .tile svg{width:54px;height:54px;color:var(--ink);stroke-width:1.2}
.cat:hover .tile{transform:scale(1.07)}
.cat:hover span{color:var(--blue-link)}

/* Shelves */
.shelf{padding-block:clamp(36px,5vw,56px)}
.shelf-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px}
.shelf-head h2{font-size:clamp(1.5rem,2.8vw,2rem);font-weight:600;line-height:1.15}
.shelf-head h2 span{color:var(--blue)}
.shelf-head a{font-size:.94rem;white-space:nowrap}
.scroller{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-block:12px 40px;
  padding-inline:max(var(--gut), calc((100% - var(--maxw))/2 + var(--gut)));
  scroll-padding-inline:max(var(--gut), calc((100% - var(--maxw))/2 + var(--gut)))}
.scroller::-webkit-scrollbar{display:none}
.card{position:relative;flex:none;scroll-snap-align:start;background:var(--card);border-radius:18px;overflow:hidden;box-shadow:2px 4px 12px rgba(0,0,0,.08);transition:transform .4s var(--ease),box-shadow .4s var(--ease);color:var(--ink);text-decoration:none!important;display:flex;flex-direction:column}
.card:hover{transform:scale(1.015);box-shadow:2px 8px 26px rgba(0,0,0,.14)}
.card.lg{width:clamp(290px,82vw,400px);height:500px}
.card .txt{padding:28px 28px 0;position:relative;z-index:1}
.card .eye{display:block;font-size:.74rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--gray)}
.card h3{font-size:1.65rem;font-weight:600;margin-top:8px;line-height:1.12}
.card .desc{font-size:.98rem;color:var(--ink);margin-top:10px;line-height:1.4}
.card .media{margin-top:auto;height:56%;overflow:hidden}
.card .media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .media img{transform:scale(1.04)}
.card.dark{background:var(--dark);color:#F5F5F7}
.card.dark .eye{color:#A1A1A6}
.card.dark .desc{color:#D2D2D7}
.card.img-full .media{position:absolute;inset:0;height:100%}
.card.img-full::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.72) 0%,rgba(0,0,0,.1) 45%,transparent 70%)}
.card.img-full .txt{color:#fff}
.card.img-full .eye{color:rgba(255,255,255,.75)}
.card.img-full .desc{color:rgba(255,255,255,.9)}
.card .glyph{margin-top:auto;padding:0 28px 30px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.card .glyph svg{width:88px;height:88px;color:var(--blue);stroke-width:1}
.card .glyph .go{width:36px;height:36px;border-radius:50%;background:var(--chip);display:grid;place-items:center;color:var(--ink);transition:background-color .25s}
.card .glyph .go svg{width:14px;height:14px;color:currentColor;stroke-width:2.4}
.card:hover .glyph .go{background:var(--blue);color:#fff}
.card.sm{width:clamp(260px,72vw,312px);padding:28px 26px 30px;min-height:230px}
.card.sm .ic{width:40px;height:40px;color:var(--blue)}
.card.sm .ic svg{width:40px;height:40px;stroke-width:1.4}
.card.sm h3{font-size:1.2rem;margin-top:18px;line-height:1.2}
.card.sm p{font-size:.94rem;color:var(--gray);margin-top:8px;line-height:1.42}
.card.sm .n{font-size:.8rem;font-weight:600;color:var(--blue)}
.card .cta-bottom{position:absolute;left:28px;bottom:28px;z-index:2}
.card.cta-card{background:var(--ink);color:#fff}
.card.cta-card p{color:#A1A1A6}
.card.cta-card .btn{margin-top:auto;align-self:flex-start}
.card.cta-card h3{color:#fff}
.shelf-ctrl{display:flex;justify-content:flex-end;gap:14px;margin-top:-18px}
.shelf-ctrl button{width:36px;height:36px;border-radius:50%;border:0;background:rgba(210,210,215,.64);color:rgba(0,0,0,.56);cursor:pointer;display:grid;place-items:center;transition:background-color .2s,color .2s,opacity .2s}
.shelf-ctrl button:hover{background:rgba(223,223,227,.9);color:rgba(0,0,0,.8)}
.shelf-ctrl button:disabled{opacity:.35;cursor:default}
.shelf-ctrl svg{width:16px;height:16px}
@media (max-width:700px){.shelf-ctrl{display:none}.card.lg{height:460px}}

/* FAQ */
.faq-wrap{background:var(--card);border-radius:18px;padding:clamp(24px,4vw,52px);display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(24px,4vw,64px)}
.faq-wrap > *{min-width:0}
.faq-wrap h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.faq-wrap h2 span{color:var(--blue)}
.faq-wrap .intro p{margin-top:14px;color:var(--gray);font-size:.98rem}
.faq-wrap .intro a{display:inline-block;margin-top:14px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-size:1.05rem;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{width:16px;height:16px;flex:none;color:var(--gray);transition:transform .35s var(--ease)}
.faq details[open] summary svg{transform:rotate(180deg)}
.faq .ans{padding:0 32px 22px 0;color:var(--gray);font-size:.98rem;line-height:1.5}
@media (max-width:820px){.faq-wrap{grid-template-columns:1fr}}

/* Contact */
.contact{padding-block:clamp(48px,7vw,88px)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,4vw,56px);align-items:start}
.contact-grid > *{min-width:0}
.contact h2{font-size:clamp(2.2rem,4.6vw,3.5rem);line-height:1.06}
.contact h2 span{color:var(--blue)}
.contact .lead{margin-top:16px;color:var(--gray);font-size:1.05rem;max-width:26em}
.ways{margin-top:16px;display:grid;gap:12px}
.contact-photo{margin:24px 0 0;border-radius:18px;overflow:hidden;aspect-ratio:4/3}
.contact-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.way{display:flex;align-items:center;gap:14px;background:var(--card);border-radius:14px;padding:16px 18px}
.way .av{width:40px;height:40px;border-radius:50%;background:var(--bg);display:grid;place-items:center;flex:none}
.way .av svg{width:19px;height:19px;color:var(--ink)}
.way div{min-width:0;flex:1}
.way small{display:block;font-size:.76rem;color:var(--gray)}
.way a{font-weight:600;overflow-wrap:anywhere}
.copy{font:500 .76rem var(--font);color:var(--ink);background:var(--chip);border:0;border-radius:980px;padding:6px 12px;cursor:pointer;transition:background-color .2s}
.copy:hover{background:#DCDCE1}
form{background:var(--card);border-radius:18px;padding:clamp(22px,3vw,36px);display:grid;gap:14px}
form h3{font-size:1.3rem;margin-bottom:4px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{position:relative}
.fld input,.fld select,.fld textarea{width:100%;font:inherit;font-size:1rem;letter-spacing:-.01em;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 16px 8px;transition:border-color .2s,box-shadow .2s}
.fld select{padding-top:22px;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%236E6E73' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.fld textarea{min-height:130px;resize:vertical;padding-top:28px}
.fld label{position:absolute;left:17px;top:8px;font-size:.72rem;color:var(--gray);pointer-events:none}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(21,89,154,.18)}
.form-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:4px}
.form-foot small{color:var(--gray);font-size:.8rem}
.form-msg{font-size:.9rem;font-weight:500;color:#1E7A35}
@media (max-width:880px){.contact-grid{grid-template-columns:1fr}}
@media (max-width:520px){.row{grid-template-columns:1fr}.form-foot .btn{width:100%}}

/* Footer */
footer{background:var(--bg);border-top:1px solid var(--line);font-size:.75rem;color:var(--gray);line-height:1.4;letter-spacing:-.01em}
footer .wrap{padding-block:20px 24px}
.fnote{padding-bottom:14px;border-bottom:1px solid var(--line)}
.fcols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:22px}
.fcols h3{font-size:.75rem;font-weight:600;color:var(--ink);margin-bottom:10px;letter-spacing:-.01em}
.fcols ul{display:grid;gap:8px}
.fcols a{color:#424245}
.fcols a:hover{color:var(--ink)}
.flegal{padding-top:14px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
@media (max-width:760px){.fcols{grid-template-columns:1fr 1fr}}

/* Reveal */
.rv{transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.pre{opacity:.35;transform:translateY(24px)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}html{scroll-behavior:auto}.rv.pre{opacity:1;transform:none}}