:root{
  --bg:#0f1115;
  --bg2:#121621;
  --panel:#151a25;
  --panel2:#11151c;
  --text:#e6e6e6;
  --muted:#b7bcc6;
  --line:rgba(255,255,255,0.08);
  --accent:#ff7a18;
  --accent2:#ff5f00;
}

*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;}
body{background:var(--bg);color:var(--text);}

/* ---------- HEADER (same visual system as index.html) ---------- */

.header{
  display:grid;
  grid-template-columns:1fr auto auto;
  align-items:center;
  gap:18px;
  padding:18px 60px;
  background:linear-gradient(90deg,#0f1115,#151a25);
  border-bottom:1px solid var(--line);
}

.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:26px;height:26px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-radius:6px;transform:rotate(45deg);
  box-shadow:0 0 0 2px rgba(255,122,24,0.15);
}
.logo-text{font-weight:800;letter-spacing:0.6px;font-size:20px;}

/* ---------- NAV ---------- */

.nav{display:flex;align-items:center;gap:22px;}
.nav a{
  text-decoration:none;color:#ddd;font-weight:600;font-size:14px;
  opacity:0.9;padding:6px 2px;position:relative;white-space:nowrap;
}
.nav a:hover{color:var(--accent);opacity:1;}
.nav a.active{color:var(--accent);}
.nav a.active::after{
  content:"";position:absolute;left:0;bottom:-8px;width:100%;height:2px;
  background:var(--accent);opacity:0.85;
}

/* ---------- BUTTONS ---------- */

.btn{
  background:var(--accent);
  color:#fff !important;
  padding:10px 18px;
  border-radius:4px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border:1px solid rgba(255,122,24,0.35);
  box-shadow:0 8px 18px rgba(0,0,0,0.35);
  transition:transform 0.12s ease,box-shadow 0.12s ease;
  text-decoration:none;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,0.42);}
.btn-small{padding:9px 14px;font-size:14px;}

.btn-cta{
  min-width:180px;
  padding:12px 22px;
  font-weight:800;
  letter-spacing:0.2px;
}

/* ---------- LANGUAGE SWITCH ---------- */

.lang-switch{display:inline-flex;gap:6px;}
.lang-switch button{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.12);
  color:#d6d9e0;
  padding:6px 8px;border-radius:4px;cursor:pointer;
  font-weight:700;font-size:12px;
}
.lang-switch button:hover{border-color:rgba(255,122,24,0.6);color:var(--accent);}
.lang-switch button.is-active{
  border-color:rgba(255,122,24,0.85);
  color:var(--accent);
  box-shadow:0 0 0 2px rgba(255,122,24,0.10) inset;
}

/* ---------- MOBILE NAV ---------- */

.nav-toggle{
  display:none;
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.12);
  color:#d6d9e0;
  padding:8px 10px;border-radius:6px;cursor:pointer;
  font-weight:900;line-height:1;
}

@media (max-width:700px){
  .nav-toggle{display:inline-flex;}
  .nav{
    display:none;
    grid-column:1 / -1;
    width:100%;
    margin-top:10px;
    padding:12px;
    background:rgba(17,21,28,0.92);
    border:1px solid rgba(255,255,255,0.10);
    border-radius:10px;
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
  }
  .header.nav-open .nav{display:flex;}
  .nav a{width:100%;padding:10px 10px;text-align:left;}
  .nav a.btn{justify-content:flex-start;}
  .nav a.active::after{bottom:-6px;}
}

/* ---------- PAGE LAYOUT ---------- */

.section{
  padding:56px 80px;
  background:var(--bg2);
  border-top:1px solid var(--line);
}
.section-qms{
  background:linear-gradient(180deg, rgba(18,22,33,1), rgba(15,17,21,1));
}
.section-certs{background:var(--bg2);}

.section-title{
  font-size:28px;
  font-weight:900;
  letter-spacing:0.2px;
  text-align:center;
  margin-bottom:16px;
}

.section-text{
  max-width:920px;
  margin:0 auto;
  color:rgba(230,230,230,0.88);
  line-height:1.7;
  font-size:15px;
  text-align:center;
}

/* ---------- HERO (screenshot-like) ---------- */

.quality-hero{
  position:relative;
  min-height:62vh;
  height:72vh;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  padding:0 80px;
  background:
    url("../assets/images/quality-man.jpg") center / cover no-repeat;
  border-bottom:1px solid var(--line);
}
.quality-hero-overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(1000px 500px at 65% 40%, rgba(0,0,0,0.15), rgba(0,0,0,0.65)),
    linear-gradient(90deg, rgba(0,0,0,0.55), rgba(0,0,0,0.18));
}
.quality-hero-content{
  position:relative;
  max-width:720px;
  padding-top:24px;
}
.quality-hero h1{
  font-size:56px;
  color:#fff;
  text-shadow:0 0 10px rgba(0,0,0,0.85);
  margin-bottom:14px;
}
.quality-hero-sub{
  font-size:18px;
  color:#fff;
  opacity:0.92;
  text-shadow:0 0 8px rgba(0,0,0,0.85);
  margin-bottom:22px;
}

/* ---------- CERT CARDS ---------- */

.cert-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:18px;
  max-width:1120px;
  margin:30px auto 18px;
}
.cert-card{
  background:rgba(255,255,255,0.02);
  border:1px solid rgba(255,255,255,0.10);
  border-radius:10px;
  padding:18px 14px;
  text-align:center;
  box-shadow:0 12px 26px rgba(0,0,0,0.35);
  transition:transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}
.cert-card:hover{
  transform:translateY(-3px);
  border-color:rgba(255,122,24,0.25);
  box-shadow:0 14px 30px rgba(0,0,0,0.45);
}
.cert-badge{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(255,122,24,0.35);
  background:rgba(255,122,24,0.10);
  color:#fff;
  font-weight:900;
  letter-spacing:0.5px;
  margin-bottom:10px;
}
.cert-name{
  font-size:28px;
  font-weight:900;
  letter-spacing:0.6px;
  color:#fff;
  margin-bottom:8px;
}
.cert-desc{
  font-size:13px;
  color:rgba(230,230,230,0.80);
  line-height:1.35;
  min-height:36px;
}

.cert-note{
  max-width:980px;
  margin:18px auto 0;
  text-align:center;
  color:rgba(230,230,230,0.82);
  font-size:14px;
  line-height:1.65;
}

/* ---------- FINAL CTA ---------- */

.final-cta{
  margin:28px auto 0;
  text-align:center;
  padding-top:20px;
}
.final-line{
  font-size:20px;
  font-weight:800;
  margin-bottom:14px;
  color:#fff;
  text-shadow:0 0 8px rgba(0,0,0,0.6);
}

/* ---------- FOOTER (same visual system as index.html) ---------- */

.footer{
  background:#0b0d12;
  border-top:1px solid var(--line);
  padding:22px 60px;
}

.footer-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
}

.footer-small{font-size:13px;color:rgba(230,230,230,0.72);}
.footer-brand{font-size:22px;font-weight:900;letter-spacing:1px;}
.footer-tagline{
  font-size:18px;
  font-weight:600;
  margin-top:8px;
  margin-bottom:18px;
  color:#ffffff;
  letter-spacing:0.3px;
}

.btn-footer{
  padding:12px 26px;
  font-size:15px;
  font-weight:700;
  letter-spacing:0.3px;
}
.btn-footer:hover{box-shadow:0 12px 26px rgba(255,122,24,0.35);}

/* ---------- RESPONSIVE ---------- */

@media (max-width:1100px){
  .header{padding:16px 24px;}
  .quality-hero{padding:0 24px;}
  .section{padding:46px 24px;}
  .cert-grid{grid-template-columns:repeat(2, 1fr);max-width:760px;}
}

@media (max-width:768px){
  .quality-hero{height:auto;min-height:520px;padding:54px 24px;}
  .quality-hero h1{font-size:40px;}
  .quality-hero-sub{font-size:16px;}
}

@media (max-width:420px){
  .quality-hero h1{font-size:34px;}
  .btn-cta{min-width:0;width:100%;}
  .cert-grid{grid-template-columns:1fr;}
}