/* ============================================================
   Knickel Group — shared landing-page stylesheet
   Brand: teal #00a190 · red #e41e2b · near-black #0c0c0c
   Fonts: Oswald (display) · Inter (body)
   Dark by default; light theme via html[data-theme="light"]
   (shares the homepage's localStorage key "knickel-theme")
   ============================================================ */

:root{
  --bg:#0c0c0c; --bg2:#0f0f0f; --panel:#141414; --line:rgba(255,255,255,0.08);
  --teal:#00a190; --teal-dim:rgba(0,161,144,0.14); --red:#e41e2b;
  --t1:#ffffff; --t2:rgba(255,255,255,0.62); --t3:rgba(255,255,255,0.40); --t4:rgba(255,255,255,0.22);
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--t1);
  font-family:'Inter',system-ui,sans-serif; line-height:1.6;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  transition:background .3s ease, color .3s ease;
}
a{color:inherit}
img,svg{display:block; max-width:100%}
::selection{background:var(--teal); color:#fff}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:#222;border-radius:6px}

.wrap{max-width:var(--maxw); margin:0 auto; padding:0 32px}
.skip{position:absolute;left:-9999px;top:0;background:var(--teal);color:#fff;padding:10px 16px;z-index:2000}
.skip:focus{left:8px;top:8px}
.eyebrow{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.35em;color:var(--teal)}
.divider{width:42px;height:2px;background:var(--red);margin:22px 0}
.font-display{font-family:'Oswald',sans-serif}

/* ── NAV ─────────────────────────────────────────── */
.nav{
  position:sticky; top:0; z-index:1000;
  display:flex; align-items:center; justify-content:space-between;
  height:70px; padding:0 32px;
  background:rgba(12,12,12,0.88); backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease, border-color .3s ease;
}
.nav .logo{display:flex;align-items:center;text-decoration:none}
.nav .logo img{height:40px;width:auto}
.nav-right{display:flex;gap:18px;align-items:center}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{
  font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.16em;
  color:var(--t3);text-decoration:none;transition:color .2s
}
.nav-links a:hover{color:var(--t1)}
.nav-call{
  padding:9px 20px;background:var(--teal);color:#fff;text-decoration:none;
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.16em;
  border-radius:2px;transition:background .2s,transform .2s;white-space:nowrap
}
.nav-call:hover{background:#00b8a4;transform:translateY(-1px);color:#fff}
@media(max-width:820px){
  .nav-links a:not(.nav-call){display:none}
}

/* ── Theme toggle ── */
.theme-toggle{
  width:38px;height:38px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(255,255,255,0.18);border-radius:50%;
  cursor:pointer;color:var(--t3);transition:border-color .2s,color .2s;
}
.theme-toggle:hover{border-color:var(--teal);color:var(--teal)}
.theme-toggle #icon-moon{display:none}

/* ── BREADCRUMB ──────────────────────────────────── */
.crumb{padding:20px 0 0}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px;color:var(--t4)}
.crumb a{color:var(--t3);text-decoration:none}
.crumb a:hover{color:var(--teal)}
.crumb li+li::before{content:"/";margin-right:8px;color:var(--t4)}
.crumb [aria-current]{color:var(--t2)}

/* ── HERO ────────────────────────────────────────── */
.hero{position:relative;padding:60px 0 68px;border-bottom:1px solid var(--line);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;opacity:0.025;pointer-events:none;
  background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.25fr 0.75fr;gap:48px;align-items:center}
.hero h1{
  font-family:'Oswald',sans-serif;font-weight:800;text-transform:uppercase;
  font-size:clamp(34px,5.2vw,62px);line-height:0.98;margin:18px 0 0;letter-spacing:-0.01em
}
.hero h1 .accent{color:var(--teal)}
.hero .lede{font-size:clamp(15px,1.7vw,18px);color:var(--t2);max-width:560px;margin-top:22px;line-height:1.75}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:2px;
  font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;text-decoration:none;
  transition:transform .2s,background .2s,border-color .2s,color .2s
}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:#00b8a4;transform:translateY(-2px);color:#fff}
.btn-ghost{background:transparent;color:var(--t1);border:1px solid rgba(255,255,255,0.22)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.hero-art{display:flex;justify-content:center;align-items:center}
.hero-art svg{width:100%;max-width:300px;height:auto;filter:drop-shadow(0 0 24px rgba(0,161,144,0.18))}

/* ── TRUST BAND ──────────────────────────────────── */
.trust{border-bottom:1px solid var(--line);background:var(--bg2);transition:background .3s ease}
.trust .wrap{padding-top:34px;padding-bottom:34px}
.trust-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-stats div{display:flex;flex-direction:column;gap:4px}
.trust-stats strong{font-family:'Oswald',sans-serif;font-weight:700;font-size:clamp(18px,2vw,24px);color:var(--teal);letter-spacing:0.02em}
.trust-stats span{font-size:12px;color:var(--t3);text-transform:uppercase;letter-spacing:0.08em}
.trust-industries{margin-top:22px;font-size:13.5px;color:var(--t3);border-top:1px solid var(--line);padding-top:18px}

/* ── SECTIONS ────────────────────────────────────── */
.section{padding:72px 0;border-bottom:1px solid var(--line)}
.section h2{
  font-family:'Oswald',sans-serif;font-weight:700;text-transform:uppercase;
  font-size:clamp(24px,3vw,36px);line-height:1.05;letter-spacing:0.01em
}
.section .intro{max-width:760px;color:var(--t2);font-size:16px;line-height:1.85;margin-top:18px}
.section .intro p+p{margin-top:16px}

/* ── PRODUCT CARDS ───────────────────────────────── */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:38px}
.card{
  background:var(--teal-dim);border:1px solid rgba(0,161,144,0.22);border-radius:4px;
  padding:24px;display:flex;flex-direction:column;gap:12px;transition:border-color .2s,transform .2s
}
.card:hover{border-color:var(--teal);transform:translateY(-2px)}
.card .ico{width:30px;height:30px;color:var(--teal);flex-shrink:0}
.card h3{font-size:15px;font-weight:700;letter-spacing:0.02em;color:var(--t1)}
.card p{font-size:13.5px;color:var(--t3);line-height:1.7}

/* ── BRANDS ──────────────────────────────────────── */
.brands{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px}
.brand{border:1px solid var(--line);border-radius:4px;padding:24px;background:var(--bg2)}
.brand .name{font-family:'Oswald',sans-serif;font-weight:700;font-size:20px;color:var(--teal);letter-spacing:0.04em}
.brand p{font-size:13.5px;color:var(--t3);margin-top:10px;line-height:1.7}

/* ── SPEC TABLE ──────────────────────────────────── */
.tablewrap{margin-top:34px;overflow-x:auto;border:1px solid var(--line);border-radius:4px}
table.spec{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
table.spec caption{text-align:left;padding:16px 18px;color:var(--t3);font-size:13px;border-bottom:1px solid var(--line)}
table.spec th,table.spec td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.spec thead th{background:var(--panel);color:var(--t2);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:0.08em}
table.spec tbody tr:last-child td{border-bottom:none}
table.spec td:first-child{color:var(--teal);font-weight:700;font-family:'Oswald',sans-serif;letter-spacing:0.03em}
table.spec tbody tr:hover{background:rgba(0,161,144,0.04)}

/* ── APPLICATIONS ────────────────────────────────── */
.apps{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.apps span{
  border:1px solid var(--line);border-radius:40px;padding:9px 18px;
  font-size:13px;color:var(--t2);background:var(--bg2)
}
.apps span::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--teal);margin-right:9px;vertical-align:middle}

/* ── RELATED ─────────────────────────────────────── */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px}
.related a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border:1px solid var(--line);border-radius:4px;padding:20px;text-decoration:none;
  background:var(--bg2);transition:border-color .2s,background .2s
}
.related a:hover{border-color:var(--teal)}
.related .label{font-family:'Oswald',sans-serif;font-weight:600;text-transform:uppercase;font-size:14px;letter-spacing:0.04em;color:var(--t1)}
.related .arrow{color:var(--teal);font-size:18px}

/* ── CTA BAND ────────────────────────────────────── */
.cta{padding:64px 0;background:linear-gradient(180deg,#0f0f0f,#0c0c0c)}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta h2{font-family:'Oswald',sans-serif;font-weight:800;text-transform:uppercase;font-size:clamp(24px,3.4vw,40px);line-height:1.02}
.cta p{color:var(--t3);font-size:14px;margin-top:10px;max-width:420px}
.cta .actions{display:flex;flex-direction:column;gap:8px;text-align:right}
.cta .phone{font-family:'Oswald',sans-serif;font-weight:700;font-size:30px;color:var(--teal);text-decoration:none;letter-spacing:0.02em}
.cta .addr{font-size:13px;color:var(--t3);line-height:1.7}

/* ── FOOTER ──────────────────────────────────────── */
.foot{background:var(--bg);padding:72px 0 36px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--line)}
.foot-grid img{height:30px;width:auto;margin-bottom:18px}
.foot-grid .blurb{font-size:13px;color:var(--t4);line-height:1.8;max-width:260px}
.foot h4{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:0.28em;color:var(--t4);margin-bottom:20px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot a,.foot li{font-size:13.5px;color:var(--t3);text-decoration:none;line-height:1.7}
.foot a:hover{color:var(--teal)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:28px;flex-wrap:wrap;gap:10px}
.foot-bottom p{font-size:11px;color:var(--t4);text-transform:uppercase;letter-spacing:0.22em}

/* ── RESPONSIVE ──────────────────────────────────── */
@media(max-width:920px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:767px){
  .wrap{padding:0 20px}
  .nav{padding:0 20px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-art{order:-1;max-width:220px;margin:0 auto}
  .trust-stats{grid-template-columns:1fr 1fr;gap:18px}
  .cards,.brands,.related{grid-template-columns:1fr}
  .section{padding:54px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta .actions{text-align:left}
  .foot-grid{grid-template-columns:1fr;gap:30px}
}

/* ============================================================
   LIGHT MODE  (html[data-theme="light"])
   Mostly re-maps the CSS variables; a few hard-coded spots fixed.
   Palette matches the homepage light theme.
   ============================================================ */
html[data-theme="light"]{
  --bg:#f4f4f0; --bg2:#ededea; --panel:#e6e6e1; --line:rgba(0,0,0,0.10);
  --teal-dim:rgba(0,161,144,0.08);
  --t1:#111111; --t2:rgba(0,0,0,0.66); --t3:rgba(0,0,0,0.50); --t4:rgba(0,0,0,0.34);
}
html[data-theme="light"] ::-webkit-scrollbar-track{background:var(--bg)}
html[data-theme="light"] ::-webkit-scrollbar-thumb{background:#cfcfca}
html[data-theme="light"] .nav{background:rgba(244,244,240,0.9);border-bottom-color:rgba(0,0,0,0.08)}
html[data-theme="light"] .theme-toggle{border-color:rgba(0,0,0,0.18);color:rgba(0,0,0,0.5)}
html[data-theme="light"] .theme-toggle #icon-sun{display:none}
html[data-theme="light"] .theme-toggle #icon-moon{display:block}
html[data-theme="light"] .hero::before{background-image:linear-gradient(#000 1px,transparent 1px),linear-gradient(90deg,#000 1px,transparent 1px)}
html[data-theme="light"] .btn-ghost{border-color:rgba(0,0,0,0.2);color:#111}
html[data-theme="light"] .btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
html[data-theme="light"] table.spec tbody tr:hover{background:rgba(0,161,144,0.05)}
html[data-theme="light"] .cta{background:linear-gradient(180deg,#ededea,#f4f4f0)}
html[data-theme="light"] .related a:hover{background:#fff}
html[data-theme="light"] .card:hover{box-shadow:0 8px 26px rgba(0,0,0,0.06)}

/* ── FAQ accordion ── */
.faq{margin-top:34px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 44px 20px 0;position:relative;
  font-size:15px;font-weight:600;color:var(--t1);transition:color .2s
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:18px;
  font-size:22px;font-weight:300;line-height:1;color:var(--teal)
}
.faq-item[open] summary::after{content:"\2013"}
.faq-item summary:hover{color:var(--teal)}
.faq-a{padding:0 44px 22px 0}
.faq-a p{color:var(--t2);font-size:14.5px;line-height:1.8;max-width:760px}