/* ============================================================
   LITENZA — shared stylesheet
   Brand colors sampled directly from Litenza_logo.avif
   ============================================================ */

:root{
  --navy: #30364E;
  --navy-deep: #1E2233;
  --navy-mid: #40476A;
  --orange: #F27318;
  --orange-deep: #C2540D;
  --orange-tint: #FDE6D4;
  --bg: #F4F5F8;
  --panel: #FFFFFF;
  --line: #E3E5EC;
  --text: #23273A;
  --muted: #656B7C;
  --muted-2: #9AA0AD;
  --radius: 3px;
  --shadow: 0 20px 45px -28px rgba(30,34,51,0.35);
  --container: 1200px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  line-height:1.55;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Oswald',sans-serif;
  text-transform:uppercase;
  letter-spacing:0.02em;
  font-weight:600;
  color:var(--navy-deep);
  line-height:1.15;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;}
.mono{font-family:'IBM Plex Mono',monospace;}
.wrap{max-width:var(--container);margin:0 auto;padding:0 28px;}
.hide-mobile{display:block;}
.hide-desktop{display:none;}

/* ---------- eyebrow / tag ---------- */
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--orange-deep);
  display:flex;align-items:center;gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--orange);display:block;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;
  font-family:'Oswald',sans-serif;
  font-size:14px;font-weight:600;letter-spacing:0.05em;
  text-transform:uppercase;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:all .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-deep);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--navy-deep);border-color:var(--navy-deep);}
.btn-ghost:hover{background:var(--navy-deep);color:#fff;}
.btn-light{background:#fff;color:var(--navy-deep);}
.btn-light:hover{background:var(--orange);color:#fff;}
.btn-block{width:100%;justify-content:center;}

/* ---------- header / nav ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(244,245,248,0.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
nav{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--container);margin:0 auto;padding:14px 28px;
}
.logo img{height:32px;width:auto;}
.navlinks{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:500;}
.navlinks a{color:var(--muted);transition:color .2s;}
.navlinks a:hover, .navlinks a.active{color:var(--navy-deep);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-cta{display:flex;}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px;}
.burger span{display:block;width:22px;height:2px;background:var(--navy-deep);margin:5px 0;}

/* ---------- mobile nav drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:300;
  background:var(--navy-deep);
  display:flex;flex-direction:column;
  padding:24px 28px;
  transform:translateX(100%);
  transition:transform .3s ease;
}
.mobile-drawer.open{transform:translateX(0);}
.mobile-drawer .close-btn{align-self:flex-end;background:none;border:0;color:#fff;font-size:28px;cursor:pointer;}
.mobile-drawer a{display:block;color:#fff;font-family:'Oswald',sans-serif;font-size:22px;text-transform:uppercase;padding:16px 0;border-bottom:1px solid rgba(255,255,255,0.1);}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  padding:110px 0 0;
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;color:var(--muted-2);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--orange-deep);}

/* ---------- hero (home) ---------- */
.hero{
  padding:150px 0 90px;
  background:
    radial-gradient(circle at 85% 15%, rgba(242,115,24,0.10), transparent 45%),
    linear-gradient(180deg, #EDEFF4 0%, var(--bg) 100%);
  position:relative;
}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:60px;align-items:center;}
.hero h1{font-size:clamp(34px,4.6vw,58px);margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--orange);}
.hero p.lead{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px;}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap;}
.hero-stats b{display:block;font-family:'Oswald',sans-serif;font-size:26px;color:var(--navy-deep);}
.hero-stats span{font-size:11px;letter-spacing:0.08em;color:var(--muted-2);text-transform:uppercase;}
.hero-photo-wrap{
  background:var(--navy-deep);
  border-radius:var(--radius);
  padding:30px;position:relative;
  box-shadow:var(--shadow);
}
.hero-photo-wrap img{margin:0 auto;}
.hero-photo-tag{
  position:absolute;bottom:-16px;left:30px;
  background:var(--orange);color:#fff;
  padding:8px 16px;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.06em;
}

/* ---------- section basics ---------- */
section{padding:90px 0;}
.section-head{max-width:640px;margin-bottom:50px;}
.section-head h2{font-size:clamp(26px,3vw,38px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:15.5px;}
.section-alt{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-dark{background:var(--navy-deep);color:#fff;}
.section-dark h2, .section-dark h3{color:#fff;}
.section-dark p{color:rgba(255,255,255,0.65);}

/* ---------- product grid (home) ---------- */
.product-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--line);border:1px solid var(--line);
}
.pcard{background:var(--panel);padding:0;display:flex;flex-direction:column;transition:box-shadow .2s ease;}
.pcard:hover{box-shadow:var(--shadow);position:relative;z-index:2;}
.pcard-img-wrap{background:#EEF0F5;padding:12px;height:260px;display:flex;align-items:center;justify-content:center;}
.pcard-img-wrap img{max-height:100%;max-width:100%;width:auto;object-fit:contain;}
.pcard-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1;}
.pcard-id{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--orange-deep);letter-spacing:0.08em;margin-bottom:6px;}
.pcard h3{font-size:19px;margin-bottom:10px;}
.pcard p{font-size:14px;color:var(--muted);margin-bottom:18px;flex:1;}
.pcard-link{
  font-family:'Oswald',sans-serif;font-size:13px;font-weight:600;letter-spacing:0.05em;
  text-transform:uppercase;color:var(--navy-deep);
  display:inline-flex;align-items:center;gap:8px;
  padding-top:16px;border-top:1px solid var(--line);
}
.pcard-link:hover{color:var(--orange-deep);}

/* ---------- why / features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.feature-item{background:var(--panel);padding:34px 28px;}
.feature-item .num{font-family:'IBM Plex Mono',monospace;color:var(--orange);font-size:13px;margin-bottom:16px;}
.feature-item h3{font-size:17px;margin-bottom:10px;}
.feature-item p{font-size:13.5px;color:var(--muted);}

/* ---------- applications ---------- */
.app-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.app-card{background:var(--panel);padding:30px 32px;}
.app-card h3{font-size:16px;margin-bottom:8px;}
.app-card p{font-size:13.5px;color:var(--muted);}

.app-grid-img{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.app-img-card{background:var(--panel);display:flex;flex-direction:column;border:1px solid var(--line);box-shadow:0 1px 3px rgba(30,34,51,0.06);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s ease;}
.app-img-card:hover{box-shadow:var(--shadow);}
.app-img-card .img-wrap{height:170px;overflow:hidden;position:relative;}
.app-img-card .img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.app-img-card:hover .img-wrap img{transform:scale(1.06);}
.app-img-card .img-tag{
  position:absolute;top:12px;left:12px;background:rgba(30,34,51,0.85);color:#fff;
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.06em;text-transform:uppercase;
  padding:5px 10px;
}
.app-img-card .txt{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;}
.app-img-card h3{font-size:15px;margin-bottom:8px;}
.app-img-card p{font-size:13px;color:var(--muted);flex:1;}

.app-img-card .icon-wrap{height:170px;position:relative;background:linear-gradient(135deg, var(--navy-deep), var(--navy-mid));display:flex;align-items:center;justify-content:center;}
.app-img-card .icon-wrap .aico-circle{width:62px;height:62px;border-radius:50%;background:rgba(242,115,24,0.14);display:flex;align-items:center;justify-content:center;transition:background .2s ease, transform .2s ease;}
.app-img-card:hover .icon-wrap .aico-circle{background:rgba(242,115,24,0.22);transform:scale(1.06);}
.app-img-card .icon-wrap svg{width:28px;height:28px;color:var(--orange);}

/* ---------- applications: icon + accordion grid ---------- */
.app-cell-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.app-cell{
  background:var(--panel);padding:26px 22px;
  display:flex;flex-direction:column;justify-content:space-between;
  transition:background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.app-cell:hover{background:var(--bg);transform:translateY(-3px);box-shadow:var(--shadow);z-index:2;}
.app-cell .aico-wrap{
  width:44px;height:44px;border-radius:50%;
  background:rgba(242,115,24,0.10);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease, transform .2s ease;
}
.app-cell:hover .aico-wrap{background:rgba(242,115,24,0.18);transform:scale(1.07);}
.app-cell .aico{width:22px;height:22px;color:var(--orange);}
.app-cell h4{font-size:13.5px;margin-top:16px;line-height:1.3;}
.app-cell .app-desc{font-size:12.5px;color:var(--muted);line-height:1.5;margin-top:14px;}
.app-cell .app-expand, .app-img-card .app-expand{
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--muted);
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  border-top:1px solid var(--line);padding-top:14px;margin-top:16px;cursor:pointer;
  background:none;border-left:0;border-right:0;border-bottom:0;width:100%;text-align:left;
}
.app-cell .app-expand .arrow, .app-img-card .app-expand .arrow{transition:transform .25s;}
.app-cell.open .app-expand .arrow, .app-img-card.open .app-expand .arrow{transform:rotate(180deg);}
.app-detail{
  max-height:0;overflow:hidden;transition:max-height .35s ease, margin-top .35s ease;
  font-size:12.5px;color:var(--muted);line-height:1.55;
}
.app-cell.open .app-detail, .app-img-card.open .app-detail{margin-top:14px;}
.app-products{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;}
.app-products a{
  font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--orange-deep);
  border:1px solid var(--orange-tint);padding:5px 9px;display:inline-block;text-decoration:none;
}
.app-products a:hover{background:rgba(242,115,24,0.10);}
@media(max-width:900px){.app-cell-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:520px){.app-cell-grid{grid-template-columns:1fr;}}

/* ---------- blog ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.blog-card{background:var(--panel);padding:28px 26px;display:flex;flex-direction:column;}
.blog-card:hover{background:var(--bg);}
.blog-meta{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--muted-2);letter-spacing:0.04em;margin-bottom:14px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.blog-meta .dot2{width:4px;height:4px;border-radius:50%;background:var(--muted-2);}
.blog-card h3{font-size:16.5px;line-height:1.32;margin-bottom:12px;}
.blog-card a.blog-title-link:hover h3{color:var(--orange-deep);}
.blog-card p{font-size:13.5px;color:var(--muted);line-height:1.55;flex:1;margin-bottom:18px;}
.blog-card .readmore{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--orange-deep);display:flex;align-items:center;gap:6px;}
@media(max-width:1000px){.blog-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.blog-grid{grid-template-columns:1fr;}}

.article{max-width:760px;margin:0 auto;}
.article h2{font-size:22px;margin:36px 0 14px;}
.article p{font-size:15.5px;color:var(--text);line-height:1.75;margin-bottom:16px;}
.article ul{margin:0 0 20px;}
.article ul li{padding-left:22px;position:relative;font-size:15px;color:var(--text);line-height:1.6;margin-bottom:8px;}
.article ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;background:var(--orange);}
.article-lead{font-size:17.5px;color:var(--muted);line-height:1.65;margin-bottom:24px;}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0;}
.article-tags a{
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--orange-deep);
  border:1px solid var(--orange-tint);padding:6px 11px;text-decoration:none;
}
.article-tags a:hover{background:rgba(242,115,24,0.10);}

/* ---------- FAQ ---------- */
.faq-block{margin:36px 0 8px;}
.faq-block h2{font-size:22px;margin:0 0 16px;}
.faq-item{border-bottom:1px solid var(--line);padding:16px 0;}
.faq-item summary{
  font-family:'Inter',sans-serif;font-weight:600;font-size:15.5px;color:var(--navy-deep);
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-family:'Oswald',sans-serif;font-size:20px;color:var(--orange);flex-shrink:0;}
.faq-item[open] summary::after{content:"\2212";}
.faq-item p{font-size:14.5px;color:var(--text);line-height:1.7;margin:12px 0 0;}

/* ---------- OEM / sourcing strip ---------- */
.strip{
  background:var(--navy-deep);color:#fff;padding:54px 0;
}
.strip-grid{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.strip h3{color:#fff;font-size:22px;max-width:520px;}
.strip p{color:rgba(255,255,255,0.6);font-size:14px;max-width:480px;margin-top:10px;}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;}
.contact-info h2{font-size:30px;margin-bottom:16px;}
.contact-info p{color:var(--muted);margin-bottom:28px;}
.contact-detail{display:flex;gap:14px;margin-bottom:20px;font-size:14.5px;}
.contact-detail b{display:block;font-family:'Oswald',sans-serif;font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--navy-deep);margin-bottom:2px;}
.contact-detail span{color:var(--muted);}
form.quote-form{background:var(--panel);border:1px solid var(--line);padding:36px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--navy-deep);margin-bottom:7px;}
.form-field input, .form-field select, .form-field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:'Inter',sans-serif;font-size:14px;background:#fbfbfd;
}
.form-field textarea{min-height:100px;resize:vertical;}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{outline:2px solid var(--orange);outline-offset:1px;border-color:var(--orange);}
.form-note{font-size:12.5px;color:var(--muted-2);margin-top:14px;}

/* ---------- footer ---------- */
footer{background:var(--navy-deep);color:rgba(255,255,255,0.65);padding:70px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px;}
.footer-col h4{color:#fff;font-size:13px;letter-spacing:0.08em;margin-bottom:18px;}
.footer-col a, .footer-col p{display:block;font-size:14px;color:rgba(255,255,255,0.6);margin-bottom:10px;}
.footer-col a:hover{color:var(--orange);}
.footer-logo img{height:28px;margin-bottom:16px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;display:flex;justify-content:space-between;font-size:12.5px;flex-wrap:wrap;gap:10px;}

/* ============================================================
   PRODUCT PAGES
   ============================================================ */
.p-hero{padding:40px 0 60px;}
.p-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.p-hero-media{background:var(--navy-deep);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);}
.p-hero-media img{margin:0 auto;max-height:480px;width:100%;object-fit:contain;}
.p-hero-copy .pid-tag{
  font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--orange-deep);
  letter-spacing:0.1em;margin-bottom:12px;display:block;
}
.p-hero-copy h1{font-size:clamp(28px,4vw,42px);margin-bottom:16px;}
.p-hero-copy p.tagline{font-size:16px;color:var(--muted);margin-bottom:26px;}
.quick-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:28px;}
.quick-specs div{background:var(--panel);padding:16px 18px;}
.quick-specs b{display:block;font-family:'Oswald',sans-serif;font-size:18px;color:var(--navy-deep);}
.quick-specs span{font-size:11px;text-transform:uppercase;letter-spacing:0.06em;color:var(--muted-2);}
.p-hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

.p-section-title{font-size:24px;margin-bottom:24px;}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 32px;}
.feature-list li{
  padding-left:26px;position:relative;font-size:14.5px;color:var(--text);line-height:1.5;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:7px;width:9px;height:9px;background:var(--orange);
}

.spec-table{width:100%;border-collapse:collapse;font-size:14px;background:var(--panel);}
.spec-table th, .spec-table td{text-align:left;padding:13px 18px;border-bottom:1px solid var(--line);}
.spec-table th{
  font-family:'Oswald',sans-serif;font-size:12px;letter-spacing:0.06em;text-transform:uppercase;
  color:#fff;background:var(--navy-deep);
}
.spec-table tr:nth-child(even) td{background:#FAFAFC;}
.spec-table td.k{color:var(--muted);width:38%;}
.spec-table-wrap{overflow-x:auto;border:1px solid var(--line);}

.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.gallery img{border-radius:var(--radius);width:100%;height:260px;object-fit:cover;box-shadow:var(--shadow);}

.kit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.kit-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);text-align:center;padding:24px 18px;}
.kit-item .kit-img-wrap{height:150px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.kit-item .kit-img-wrap img{max-height:100%;max-width:100%;object-fit:contain;}
.kit-item .kit-qty{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--orange-deep);margin-bottom:6px;}
.kit-item h4{font-size:14px;}
@media(max-width:720px){.kit-grid{grid-template-columns:1fr 1fr;}}

.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.related-card{background:var(--panel);padding:20px;text-align:center;}
.related-card img{height:90px;object-fit:contain;margin:0 auto 14px;}
.related-card .pid-tag{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--orange-deep);}
.related-card h4{font-size:13.5px;margin-top:4px;}

.cta-band{background:var(--orange);padding:56px 0;text-align:center;}
.cta-band h2{color:#fff;margin-bottom:18px;font-size:26px;}
.cta-band .btn-light{margin:0 auto;}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero-grid, .p-hero-grid, .contact-grid{grid-template-columns:1fr;}
  .p-hero-media{order:-1;}
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .app-grid{grid-template-columns:1fr;}
  .app-grid-img{grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .gallery{grid-template-columns:1fr;}
}
@media(max-width:720px){
  .navlinks, .nav-actions .nav-cta{display:none;}
  .burger{display:block;}
  .hide-mobile{display:none;}
  .hide-desktop{display:block;}
  .product-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .app-grid-img{grid-template-columns:1fr;}
  .feature-list{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .quick-specs{grid-template-columns:1fr;}
  .strip-grid{flex-direction:column;align-items:flex-start;}
  section{padding:60px 0;}
  .hero{padding-top:130px;}
}