/* Konjacase – Flight Case & Road Case Manufacturer
   Performance-first stylesheet: system fonts, no external requests, no frameworks */
:root{
  --ink:#14181d;
  --ink-2:#1e252e;
  --steel:#5b6675;
  --line:#e4e7ec;
  --bg:#f5f6f8;
  --accent:#f97316;
  --accent-dark:#c2570a;
  --white:#fff;
  --radius:10px;
  --maxw:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--white);line-height:1.65;font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em}
h1{font-size:2.4rem}
h2{font-size:1.8rem;margin-bottom:1rem}
h3{font-size:1.15rem;margin-bottom:.5rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 14px;z-index:99}
.skip-link:focus{left:8px;top:8px}

/* Header */
.site-header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.25rem;text-decoration:none}
.brand:hover{text-decoration:none}
.brand img{height:36px;width:auto;display:block;flex:none}
.brand small{display:block;font-size:.62rem;font-weight:400;color:#9aa5b1;letter-spacing:.08em;text-transform:uppercase}
.main-nav ul{display:flex;gap:26px;list-style:none;align-items:center}
.main-nav a{color:#dfe4ea;font-weight:500}
.main-nav a:hover{color:#fff;text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid #3a4450;color:#fff;border-radius:6px;padding:6px 10px;font-size:1rem;cursor:pointer}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:11px 22px;border-radius:8px;font-weight:600;border:none;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--accent-dark);text-decoration:none}
.btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}

/* Hero */
.hero{position:relative;color:#fff;background:var(--ink) center/cover no-repeat;min-height:520px;display:flex;align-items:center}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,16,20,.88) 0%,rgba(13,16,20,.62) 55%,rgba(13,16,20,.25) 100%)}
.hero .wrap{position:relative;padding-top:70px;padding-bottom:70px;max-width:var(--maxw)}
.hero .kicker{color:var(--accent);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.82rem;margin-bottom:14px}
.hero h1{max-width:640px;margin-bottom:16px}
.hero p{max-width:560px;color:#cfd6de;font-size:1.08rem;margin-bottom:28px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}

/* Trust bar */
.trust-bar{background:var(--ink-2);color:#cfd6de;padding:16px 0;font-size:.92rem}
.trust-bar .wrap{display:flex;gap:34px;flex-wrap:wrap;justify-content:center}
.trust-bar span b{color:#fff}

/* Sections */
section{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head .kicker{color:var(--accent-dark);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.8rem}
.sec-head p{color:var(--steel);margin-top:8px}
.bg-alt{background:var(--bg)}

/* Cards grid */
.grid{display:grid;gap:24px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(20,24,29,.09);text-decoration:none}
.card img{aspect-ratio:1/1;object-fit:cover;width:100%}
.card .body{padding:18px 20px 22px}
.card h3{color:var(--ink)}
.card p{color:var(--steel);font-size:.93rem}
.card .more{color:var(--accent-dark);font-weight:600;font-size:.9rem;display:inline-block;margin-top:8px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.feature .ico{width:44px;height:44px;border-radius:9px;background:#fff1e6;color:var(--accent-dark);display:grid;place-items:center;font-size:1.3rem;margin-bottom:14px}
.feature p{color:var(--steel);font-size:.95rem}

/* Applications */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.app{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;display:flex;gap:14px;align-items:flex-start}
.app .ico{flex:none;width:40px;height:40px;border-radius:8px;background:var(--ink);color:#fff;display:grid;place-items:center}

/* Split media */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split img{border-radius:var(--radius);aspect-ratio:3/2;object-fit:cover;width:100%}
.split h2{margin-top:4px}
.split p{color:var(--steel)}
.checklist{list-style:none;margin:18px 0}
.checklist li{padding-left:30px;position:relative;margin-bottom:10px}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:#fff1e6;color:var(--accent-dark);font-size:.8rem;display:grid;place-items:center;font-weight:700}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.step::before{counter-increment:step;content:"0" counter(step);display:inline-block;font-weight:800;font-size:1.5rem;color:var(--accent);margin-bottom:10px}
.step h3{font-size:1.05rem}
.step p{color:var(--steel);font-size:.92rem}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin-bottom:12px}
.faq summary{font-weight:600;cursor:pointer}
.faq p{color:var(--steel);margin-top:10px}

/* Table */
.spec-table{width:100%;border-collapse:collapse;font-size:.95rem;background:#fff;border-radius:var(--radius);overflow:hidden}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:12px 16px;text-align:left}
.spec-table th{background:var(--bg);width:32%}

/* CTA band */
.cta-band{background:var(--ink);color:#fff;text-align:center;padding:64px 0}
.cta-band h2{color:#fff}
.cta-band p{color:#b9c2cc;margin:10px auto 26px;max-width:560px}

/* Breadcrumb */
.crumbs{font-size:.85rem;color:var(--steel);padding:18px 0 0}
.crumbs a{color:var(--steel)}
.page-head{padding:44px 0 10px}
.page-head .kicker{color:var(--accent-dark);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.8rem}
.page-head p.lead{color:var(--steel);max-width:760px;margin-top:10px;font-size:1.05rem}

/* Article / content */
.content{max-width:800px}
.content h2{margin-top:42px}
.content h3{margin-top:26px}
.content p{margin-bottom:14px}
.content ul{margin:0 0 16px 20px}
.content img{border-radius:var(--radius);margin:22px 0}

/* Forms */
form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border:1px solid #cdd3db;border-radius:8px;font:inherit;font-size:.95rem}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.field.full{grid-column:1/-1}
.form-note{font-size:.82rem;color:var(--steel);margin-top:12px}
.btn-line{display:inline-block;background:#fff;color:var(--ink);border:1.5px solid #cdd3db;padding:10px 18px;border-radius:8px;font-weight:600;font-size:.95rem;cursor:pointer;line-height:1.2}
.btn-line:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.fallback-box{margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
.fallback-box p{font-size:.9rem;color:var(--steel);margin-bottom:0}
.fallback-box textarea{width:100%;margin-top:10px;padding:12px 14px;border:1px solid #cdd3db;border-radius:8px;background:#fff;font:inherit;font-size:.88rem;line-height:1.6;resize:vertical}
.fallback-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;align-items:center}

/* Contact info */
.contact-cols{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.info-box{background:var(--bg);border-radius:var(--radius);padding:26px}
.info-box h3{margin-bottom:14px}
.info-box p{color:var(--steel);margin-bottom:10px;font-size:.95rem}

/* Footer */
.site-footer{background:var(--ink);color:#9aa5b1;padding:52px 0 28px;font-size:.92rem}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:1rem}
.site-footer a{color:#9aa5b1}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:34px}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:9px}
.footer-bottom{border-top:1px solid #2a323c;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* 404 */
.err{padding:90px 0;text-align:center}
.err h1{font-size:3.4rem;color:var(--accent);margin-bottom:8px}

/* Responsive */
@media(max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .apps{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-cols{grid-template-columns:1fr}
}
@media(max-width:640px){
  h1{font-size:1.9rem}
  h2{font-size:1.45rem}
  .grid-4,.grid-3,.apps,.steps{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--ink);padding:18px 20px 24px;border-top:1px solid #2a323c}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:flex-start;gap:16px}
  .hero{min-height:440px}
  section{padding:48px 0}
}