/* GuardUp site — shared styles. Brand language follows the Surgery Booklet:
   silver paper, black title bars, Oswald headings, grey product cards. */
:root{
  --paper:#f4f4f2; --card:#ffffff; --ink:#141414; --muted:#63635f;
  --line:#d6d6d3; --tile:#e1e2e6; --bar:#141414; --mark:#2cde2a;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font:16px/1.6 "Outfit","Helvetica Neue",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:"Oswald","Arial Narrow",sans-serif;font-weight:600;
  text-transform:uppercase;letter-spacing:.02em;line-height:1.05;margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:20px}
.eyebrow{font-size:12px;letter-spacing:.32em;text-transform:uppercase;color:var(--muted);font-weight:500}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:20;background:rgba(244,244,242,.92);
  backdrop-filter:saturate(1.4) blur(8px);border-bottom:1.5px solid var(--ink)}
.site-head .wrap{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo img{height:26px;width:auto}
.logo .wm{font-family:"Outfit",sans-serif;font-size:20px;letter-spacing:.06em;line-height:1}
.logo .wm b{font-weight:800}.logo .wm span{font-weight:300}
.nav{margin-left:auto;display:flex;gap:4px;align-items:center}
.nav a{text-decoration:none;font-size:14px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;
  padding:8px 12px;border-radius:2px}
.nav a:hover{background:var(--tile)}
.nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--ink)}
.nav a.cta{background:var(--ink);color:#fff}
.nav a.cta:hover{background:#333}
.menu-btn{display:none;margin-left:auto;background:none;border:1.5px solid var(--ink);
  font:600 13px "Outfit",sans-serif;letter-spacing:.1em;text-transform:uppercase;padding:7px 12px;cursor:pointer}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;
    background:var(--paper);border-bottom:1.5px solid var(--ink);padding:8px 20px 16px}
  .nav.open{display:flex}
  .nav a{padding:12px 4px}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;cursor:pointer;
  font:600 14px "Outfit",sans-serif;letter-spacing:.12em;text-transform:uppercase;
  padding:14px 22px;border:1.5px solid var(--ink);background:var(--ink);color:#fff;border-radius:2px}
.btn:hover{background:#333}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn .arrow{transition:transform .15s}.btn:hover .arrow{transform:translateX(3px)}

/* ---------- hero ---------- */
.hero{background:linear-gradient(135deg,#f7f7f5 0%,#dcdde0 55%,#c9cacd 100%);
  border-bottom:1.5px solid var(--ink);overflow:hidden;position:relative}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding-block:72px 64px}
.hero h1{font-size:clamp(44px,7vw,88px);margin:14px 0 18px}
.hero h1 em{font-style:normal;font-weight:400;color:#4b4b48}
.hero p.lead{font-size:19px;max-width:34ch;color:#333;margin:0 0 28px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.hero-grid img{aspect-ratio:4/3;object-fit:contain;width:100%;height:auto;filter:drop-shadow(0 10px 14px rgba(0,0,0,.18))}
.hero-grid img:nth-child(2){transform:translateY(22px)}
.hero-grid img:nth-child(5){transform:translateY(22px)}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;padding-block:48px}
  .hero-grid img:nth-child(n){transform:none}
}

/* ---------- sections ---------- */
section.band{padding-block:72px}
.bar{background:var(--bar);color:#fff;padding:14px 20px;display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.bar h2{font-size:22px}
.bar .eyebrow{color:#aaa}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:clamp(28px,4vw,40px);margin-top:8px}
.sec-head p{color:var(--muted);max-width:60ch;margin:12px 0 0}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1.5px solid var(--ink);background:var(--card)}
.step{padding:26px 22px;border-right:1px solid var(--line)}
.step:last-child{border-right:none}
.step .n{font-family:"Oswald",sans-serif;font-size:40px;font-weight:600;line-height:1}
.step h3{font-size:18px;margin:14px 0 8px}
.step p{margin:0;color:var(--muted);font-size:15px}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:none}
  .step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}.step{border-right:none;border-bottom:1px solid var(--line)}}

.range{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.range figure{margin:0}
.range figure img{aspect-ratio:4/3;object-fit:contain;width:100%;height:auto;filter:drop-shadow(0 12px 14px rgba(0,0,0,.16));transition:transform .2s}
.range figure:hover img{transform:translateY(-4px)}
.range figcaption{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  text-align:center;padding:4px 8px 14px}
@media (max-width:860px){.range{grid-template-columns:repeat(2,1fr)}}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}}

.constr{list-style:none;padding:0;margin:0;border-top:1.5px solid var(--ink)}
.constr li{display:grid;grid-template-columns:56px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.constr b{font-family:"Oswald",sans-serif;font-size:22px}
.constr span{color:var(--muted);font-size:15px}
.constr strong{display:block;color:var(--ink);font-weight:600}

.callout{background:var(--ink);color:#fff;padding:44px}
.callout h2{font-size:clamp(26px,3.6vw,38px)}
.callout p{color:#cfcfcb;max-width:52ch}
.callout .btn{background:#fff;color:var(--ink);border-color:#fff}
.callout .btn:hover{background:var(--mark);border-color:var(--mark)}
.tick{display:inline-block;width:10px;height:10px;background:var(--mark);margin-right:10px}

/* ---------- downloads ---------- */
.doc{display:grid;grid-template-columns:260px 1fr;gap:40px;background:var(--card);border:1.5px solid var(--ink);padding:32px}
.doc img{box-shadow:0 10px 30px rgba(0,0,0,.18)}
.doc h2{font-size:32px;margin:8px 0 12px}
.doc dl{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:18px 0 26px;font-size:15px}
.doc dt{color:var(--muted)}.doc dd{margin:0}
@media (max-width:700px){.doc{grid-template-columns:1fr}.doc img{max-width:220px}}
.previews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.previews img{border:1px solid var(--line);background:#fff}

/* ---------- about / contact ---------- */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.fact{background:var(--card);border:1px solid var(--line);padding:24px}
.fact h3{font-size:17px;margin-bottom:8px}
.fact p{margin:0;color:var(--muted);font-size:15px}
@media (max-width:860px){.facts{grid-template-columns:1fr}}
.contact{display:grid;grid-template-columns:repeat(3,1fr);border:1.5px solid var(--ink);background:var(--card)}
.contact div{padding:24px;border-right:1px solid var(--line)}
.contact div:last-child{border-right:none}
.contact .eyebrow{display:block;margin-bottom:8px}
.contact a,.contact p{font-size:18px;margin:0;text-decoration:none;font-weight:500}
.contact a:hover{text-decoration:underline}
@media (max-width:760px){.contact{grid-template-columns:1fr}.contact div{border-right:none;border-bottom:1px solid var(--line)}}
details.faq{border-bottom:1px solid var(--line);padding:16px 0}
details.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px}
details.faq summary::after{content:"+";font-family:"Oswald",sans-serif;font-size:22px;line-height:1}
details.faq[open] summary::after{content:"–"}
details.faq p{color:var(--muted);margin:10px 0 0;max-width:70ch}

/* ---------- footer ---------- */
.site-foot{background:var(--bar);color:#bdbdb8;margin-top:72px;font-size:14px}
.site-foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-block:48px 28px}
.site-foot .logo{color:#fff}
.site-foot .logo img{filter:invert(1)}
.site-foot h4{color:#fff;font:600 12px "Outfit",sans-serif;letter-spacing:.24em;text-transform:uppercase;margin:0 0 12px}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.site-foot a{text-decoration:none}.site-foot a:hover{color:#fff}
.site-foot .legal{grid-column:1/-1;border-top:1px solid #333;padding-top:18px;font-size:12.5px;color:#8a8a85}
@media (max-width:760px){.site-foot .wrap{grid-template-columns:1fr}}
.doc img{height:auto;align-self:start}

/* ---------- legal text ---------- */
.legaltext h3{font-size:19px;margin:34px 0 10px}
.legaltext p,.legaltext li{color:#333;max-width:70ch}
.legaltext ul{padding-left:20px}
.legaltext a{text-decoration:underline}
.site-foot .legal a{color:inherit}

/* touch screens: bigger targets (phones and tablets) */
@media (pointer:coarse){
  .menu-btn{min-height:44px;padding:10px 14px}
  .nav a{padding-block:12px}
  .site-foot ul a{display:inline-block;padding:9px 0}
  .contact a{display:inline-block;padding:8px 0}
  .legaltext a{display:inline-block;padding:6px 0}
  .doc .btn,.btn{min-height:48px}
}