:root{
  --rgk-primary:#c8261d;
  --rgk-primary-dark:#8e1812;
  --rgk-ink:#0e1116;
  --rgk-ink-soft:#1a1f27;
  --rgk-muted:#6b7280;
  --rgk-bg:#f7f6f3;
  --rgk-cream:#efece4;
  --rgk-gold:#c9a55a;
  --shadow-soft:0 10px 30px rgba(14,17,22,.08);
  --shadow-strong:0 25px 60px rgba(14,17,22,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--rgk-ink);
  background:var(--rgk-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.display-font{font-family:'Playfair Display',serif;letter-spacing:-.01em}

/* NAV */
.navbar-rgk{
  background:rgba(14,17,22,.85);
  backdrop-filter:blur(14px);
  padding:.85rem 0;
  transition:all .3s ease;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.navbar-rgk.scrolled{background:rgba(14,17,22,.97);padding:.55rem 0;box-shadow:0 4px 24px rgba(0,0,0,.25)}
.navbar-rgk .brand-mark{
  font-family:'Playfair Display',serif;
  font-weight:700;
  font-size:1.6rem;color:#fff;
  letter-spacing:.04em;
}
.navbar-rgk .brand-sub{
  display:block;font-size:.65rem;letter-spacing:.32em;
  color:var(--rgk-gold);text-transform:uppercase;margin-top:-4px;
}
.navbar-rgk .nav-link{
  color:rgba(255,255,255,.78);font-weight:500;font-size:.92rem;
  padding:.5rem 1rem!important;position:relative;
}
.navbar-rgk .nav-link:hover,.navbar-rgk .nav-link.active{color:#fff}
.navbar-rgk .nav-link.active::after{
  content:"";position:absolute;left:1rem;right:1rem;bottom:.2rem;
  height:2px;background:var(--rgk-gold);
}
.navbar-toggler{border:none;color:#fff}
.navbar-toggler-icon{filter:invert(1)}

/* BUTTONS */
.btn-rgk-primary{
  background:var(--rgk-primary);color:#fff;border:none;
  padding:.7rem 1.6rem;border-radius:2px;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;font-size:.82rem;
  transition:all .25s ease;
}
.btn-rgk-primary:hover{background:var(--rgk-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(200,38,29,.35)}
.btn-rgk-outline{
  background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4);
  padding:.7rem 1.6rem;border-radius:2px;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;font-size:.82rem;
  transition:all .25s ease;
}
.btn-rgk-outline:hover{background:#fff;color:var(--rgk-ink);border-color:#fff}

/* HERO */
.hero{
  position:relative;min-height:100vh;
  background:linear-gradient(135deg,#0e1116 0%,#1a1f27 60%,#2a1410 100%);
  color:#fff;display:flex;align-items:center;overflow:hidden;
  padding-top:90px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 80% 20%,rgba(200,38,29,.25),transparent 50%),
    radial-gradient(circle at 10% 90%,rgba(201,165,90,.15),transparent 45%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:60px 60px;
}
.hero .container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.5rem 1rem;border:1px solid rgba(201,165,90,.4);
  border-radius:50px;color:var(--rgk-gold);
  font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600;
}
.hero h1{
  font-size:clamp(2.4rem,5.5vw,4.6rem);
  line-height:1.05;font-weight:700;margin:1.5rem 0;
}
.hero h1 .accent{color:var(--rgk-gold);font-style:italic}
.hero p.lead{
  font-size:1.1rem;color:rgba(255,255,255,.72);
  max-width:560px;margin-bottom:2rem;font-weight:400;
}
.hero-meta{display:flex;gap:2.5rem;margin-top:3rem;flex-wrap:wrap}
.hero-meta .num{font-family:'Playfair Display',serif;font-size:2.6rem;color:var(--rgk-gold);font-weight:700;line-height:1}
.hero-meta .lbl{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-top:.25rem}
.hero-visual{
  position:relative;aspect-ratio:1;max-width:520px;margin:auto;
  background:linear-gradient(135deg,#2a1410,#0e1116);
  border:1px solid rgba(201,165,90,.25);
  border-radius:8px;overflow:hidden;
  box-shadow:var(--shadow-strong);
}
.hero-visual::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 50%,rgba(200,38,29,.4),transparent 70%);
  animation:pulse 4s ease-in-out infinite;
}
.hero-visual .badge-est{
  position:absolute;top:24px;right:24px;
  background:rgba(0,0,0,.5);backdrop-filter:blur(10px);
  padding:.6rem 1rem;border:1px solid rgba(201,165,90,.3);
  font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--rgk-gold);
}
.hero-visual .center-mark{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:'Playfair Display',serif;font-size:7rem;color:rgba(201,165,90,.85);font-weight:700;
}
@keyframes pulse{0%,100%{opacity:.6}50%{opacity:1}}

/* SECTIONS */
section{padding:6rem 0}
.section-eyebrow{
  display:inline-block;font-size:.75rem;letter-spacing:.3em;
  text-transform:uppercase;color:var(--rgk-primary);font-weight:600;margin-bottom:1rem;
}
.section-title{font-size:clamp(1.9rem,3.5vw,3rem);font-weight:700;margin-bottom:1rem;line-height:1.15}
.section-sub{color:var(--rgk-muted);font-size:1.05rem;max-width:680px}

/* STATS STRIP */
.stats-strip{
  background:var(--rgk-ink);color:#fff;padding:3rem 0;
}
.stat-item{text-align:center;padding:1rem}
.stat-item .num{font-family:'Playfair Display',serif;font-size:3rem;font-weight:700;color:var(--rgk-gold)}
.stat-item .lbl{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-top:.5rem}

/* CARDS */
.feature-card{
  background:#fff;padding:2.2rem;border-radius:6px;height:100%;
  border:1px solid rgba(0,0,0,.04);transition:all .3s ease;position:relative;overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:0;
  background:var(--rgk-primary);transition:height .35s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-soft)}
.feature-card:hover::before{height:100%}
.feature-card .icon{
  width:54px;height:54px;border-radius:4px;
  background:rgba(200,38,29,.08);color:var(--rgk-primary);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:1.2rem;
}
.feature-card h5{font-family:'Inter',sans-serif;font-weight:700;font-size:1.05rem;margin-bottom:.6rem}
.feature-card p{color:var(--rgk-muted);font-size:.92rem;margin:0;line-height:1.6}

/* PRODUCT CARDS */
.product-card{
  background:#fff;border-radius:6px;overflow:hidden;height:100%;
  border:1px solid rgba(0,0,0,.05);transition:all .3s ease;
}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-strong)}
.product-card .thumb{
  aspect-ratio:4/3;
  background:linear-gradient(135deg,#1a1f27,#2a1410);
  display:flex;align-items:center;justify-content:center;
  color:var(--rgk-gold);font-family:'Playfair Display',serif;font-size:3rem;
  position:relative;overflow:hidden;
}
.product-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 30%,rgba(200,38,29,.3),transparent 60%);
}
.product-card .body{padding:1.4rem}
.product-card h6{font-weight:700;margin-bottom:.4rem;font-size:1rem}
.product-card p{color:var(--rgk-muted);font-size:.88rem;margin:0}

/* ABOUT */
.about-img{
  background:linear-gradient(135deg,#1a1f27,#0e1116);
  aspect-ratio:4/5;border-radius:6px;position:relative;overflow:hidden;
  border:1px solid rgba(201,165,90,.2);
}
.about-img::before{
  content:"EST. 1979";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:'Playfair Display',serif;font-size:2.4rem;color:rgba(201,165,90,.4);letter-spacing:.1em;
}
.about-floating{
  position:absolute;bottom:-30px;right:-30px;
  background:var(--rgk-primary);color:#fff;padding:1.5rem 2rem;border-radius:4px;
  box-shadow:var(--shadow-soft);
}
.about-floating .num{font-family:'Playfair Display',serif;font-size:2.4rem;font-weight:700;line-height:1}
.about-floating .lbl{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;opacity:.85;margin-top:.3rem}

/* CTA */
.cta-band{
  background:linear-gradient(135deg,var(--rgk-primary) 0%,var(--rgk-primary-dark) 100%);
  color:#fff;padding:5rem 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 50%,rgba(255,255,255,.1),transparent 50%);
}
.cta-band h2{font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:1rem}

/* FOOTER */
.footer-rgk{background:var(--rgk-ink);color:rgba(255,255,255,.7);padding:4rem 0 2rem}
.footer-rgk .brand-mark{font-family:'Playfair Display',serif;font-size:1.8rem;color:#fff}
.footer-title{color:#fff;font-weight:700;font-size:.85rem;letter-spacing:.15em;text-transform:uppercase;margin-bottom:1.2rem}
.footer-links li{margin-bottom:.5rem}
.footer-links a{color:rgba(255,255,255,.65);text-decoration:none;font-size:.92rem;transition:color .2s}
.footer-links a:hover{color:var(--rgk-gold)}
.text-light-50{color:rgba(255,255,255,.65)}

/* PAGE HEADER */
.page-header{
  background:linear-gradient(135deg,#0e1116,#1a1f27);
  color:#fff;padding:9rem 0 5rem;position:relative;overflow:hidden;
}
.page-header::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 70% 30%,rgba(200,38,29,.2),transparent 55%);
}
.page-header .container{position:relative;z-index:2}
.page-header h1{font-size:clamp(2.2rem,4.5vw,3.6rem);margin-bottom:.8rem}
.page-header .crumb{color:var(--rgk-gold);font-size:.78rem;letter-spacing:.25em;text-transform:uppercase}

/* CONTACT FORM */
.contact-card{background:#fff;border-radius:6px;padding:2.5rem;box-shadow:var(--shadow-soft)}
.form-control,.form-select{
  border:1px solid #e5e7eb;border-radius:3px;padding:.8rem 1rem;
  font-size:.95rem;transition:all .2s;
}
.form-control:focus,.form-select:focus{border-color:var(--rgk-primary);box-shadow:0 0 0 3px rgba(200,38,29,.1)}
.form-label{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--rgk-ink);margin-bottom:.4rem}
.contact-info-card{
  background:var(--rgk-ink);color:#fff;padding:2.5rem;border-radius:6px;height:100%;
}
.contact-info-card .item{display:flex;gap:1rem;margin-bottom:1.8rem}
.contact-info-card .item i{
  width:42px;height:42px;border-radius:4px;background:rgba(201,165,90,.15);
  color:var(--rgk-gold);display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.contact-info-card .item h6{font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--rgk-gold);margin-bottom:.3rem}
.contact-info-card .item p{margin:0;color:rgba(255,255,255,.8);font-size:.95rem}

/* ALERT */
.form-alert{padding:1rem;border-radius:4px;margin-bottom:1.2rem;display:none;font-size:.92rem}
.form-alert.success{background:#e8f5e9;color:#1b5e20;border-left:3px solid #2e7d32;display:block}
.form-alert.error{background:#fdecea;color:#7f1d1d;border-left:3px solid #c8261d;display:block}

/* ANIM */
.fade-up{opacity:0;transform:translateY(30px);transition:all .8s ease}
.fade-up.in{opacity:1;transform:none}

@media (max-width:991px){
  section{padding:4rem 0}
  .hero{min-height:auto;padding:8rem 0 4rem}
  .hero-meta{gap:1.5rem;margin-top:2rem}
  .hero-meta .num{font-size:2rem}
}

/* DROPDOWN */
.dropdown-rgk{
  background:rgba(14,17,22,.97);backdrop-filter:blur(14px);
  border:1px solid rgba(201,165,90,.2);border-radius:4px;margin-top:.5rem;padding:.4rem 0;
}
.dropdown-rgk .dropdown-item{
  color:rgba(255,255,255,.78);font-size:.9rem;padding:.55rem 1.2rem;
  font-weight:500;transition:all .2s;
}
.dropdown-rgk .dropdown-item:hover{background:rgba(200,38,29,.15);color:#fff}

/* SPEC LIST */
.spec-list{list-style:none;padding:0;margin:0}
.spec-list li{
  padding:.85rem 0 .85rem 2.2rem;border-bottom:1px solid rgba(0,0,0,.06);
  position:relative;color:#374151;font-size:.95rem;
}
.spec-list li::before{
  content:counter(spec,decimal-leading-zero);counter-increment:spec;
  position:absolute;left:0;top:.85rem;font-family:'Playfair Display',serif;
  font-weight:700;color:var(--rgk-primary);font-size:.95rem;
}
.spec-list{counter-reset:spec}

/* TABLE */
.table-rgk{
  width:100%;background:#fff;border-radius:4px;overflow:hidden;
  box-shadow:var(--shadow-soft);
}
.table-rgk th{
  background:var(--rgk-ink);color:var(--rgk-gold);
  font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;
  padding:1rem 1.2rem;font-weight:600;
}
.table-rgk td{padding:.95rem 1.2rem;border-top:1px solid rgba(0,0,0,.05);font-size:.95rem}
.table-rgk tbody tr:hover{background:var(--rgk-cream)}

/* CERT BADGE */
.cert-badge{
  background:#fff;padding:1.8rem;border-radius:6px;text-align:center;
  height:100%;border:1px solid rgba(0,0,0,.05);transition:all .3s;
}
.cert-badge:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.cert-badge .ring{
  width:80px;height:80px;border-radius:50%;margin:0 auto 1rem;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--rgk-gold),#9c7a35);
  color:#fff;font-size:1.6rem;
}
.cert-badge h6{font-weight:700;margin-bottom:.3rem}
.cert-badge p{color:var(--rgk-muted);font-size:.85rem;margin:0}

/* GALLERY */
.gallery-tile{
  aspect-ratio:4/3;border-radius:6px;overflow:hidden;position:relative;
  background:linear-gradient(135deg,#1a1f27,#0e1116);
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(201,165,90,.15);transition:transform .35s;
}
.gallery-tile:hover{transform:scale(1.02)}
.gallery-tile span{
  font-family:'Playfair Display',serif;color:rgba(201,165,90,.8);
  font-size:1.1rem;text-align:center;padding:1rem;z-index:2;
}
.gallery-tile::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 30%,rgba(200,38,29,.25),transparent 60%);
}

/* CONTACT OFFICE CARD */
.office-card{
  background:#fff;padding:2rem;border-radius:6px;height:100%;
  border-top:3px solid var(--rgk-primary);box-shadow:var(--shadow-soft);
}
.office-card h5{font-family:'Playfair Display',serif;margin-bottom:.8rem;font-size:1.2rem}
.office-card .meta{font-size:.9rem;color:var(--rgk-muted);margin-bottom:.4rem}
.office-card .meta i{color:var(--rgk-primary);width:18px}

/* INDUSTRY CHIP */
.chip-row{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.5rem}
.chip-row .chip{
  padding:.5rem 1rem;border:1px solid rgba(0,0,0,.1);border-radius:50px;
  font-size:.82rem;font-weight:500;color:#374151;background:#fff;
}