/* ===================== ROCKFACE DIAMOND TOOLS — DESIGN SYSTEM ===================== */
:root{
  --blue:#243E90;
  --blue-dark:#152a68;
  --blue-light:#3a58bd;
  --steel:#5b6472;
  --steel-light:#8b93a0;
  --silver:#c9ced6;
  --silver-light:#eef0f3;
  --white:#ffffff;
  --off-white:#f5f6f8;
  --ink:#12151c;
  --line:#e1e4e9;
  --shadow:0 20px 50px -18px rgba(18,21,28,0.25);
  --shadow-sm:0 8px 24px -10px rgba(18,21,28,0.18);
  --radius:6px;
  --font-head:'Barlow Condensed', 'Oswald', sans-serif;
  --font-body:'Inter', sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:700;letter-spacing:.2px;color:var(--blue-dark);text-transform:uppercase;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
.container{max-width:1320px;margin:0 auto;padding:0 32px;}
@media(max-width:768px){.container{padding:0 18px;}}
section{padding:90px 0;position:relative;}
@media(max-width:768px){section{padding:56px 0;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-head);font-weight:600;font-size:13px;
  letter-spacing:3px;text-transform:uppercase;color:var(--blue);
  margin-bottom:14px;
}
.eyebrow::before{content:'';width:32px;height:3px;background:var(--blue);display:block;}
.section-head{max-width:680px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.8rem);line-height:1.1;}
.section-head p{margin-top:16px;font-size:1.02rem;line-height:1.7;color:var(--steel);font-family:var(--font-body);text-transform:none;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border-radius:3px;font-family:var(--font-head);
  font-weight:600;font-size:15px;letter-spacing:1.2px;text-transform:uppercase;
  transition:.25s;
}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-outline{border:2px solid var(--blue);color:var(--blue);}
.btn-outline:hover{background:var(--blue);color:#fff;}
.btn-white{background:#fff;color:var(--blue-dark);}
.btn-white:hover{background:var(--silver-light);}

/* ============ TOP BAR ============ */
.topbar{background:var(--blue-dark);color:#dbe1ee;font-size:13px;border-bottom:1px solid rgba(255,255,255,.08);}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:42px;}
.topbar-left{display:flex;align-items:center;gap:28px;}
.topbar-left a, .topbar-left span{display:flex;align-items:center;gap:8px;color:#aebadb;font-weight:500;letter-spacing:.2px;transition:color .2s;}
.topbar-left a:hover{color:#fff;}
.topbar-left svg{width:14px;height:14px;flex-shrink:0;stroke:#7d8ec2;transition:stroke .2s;}
.topbar-left a:hover svg{stroke:#fff;}
.topbar-right{display:flex;align-items:center;gap:20px;}
.social-icons{display:flex;gap:10px;}
.social-icons a{width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;transition:.2s;}
.social-icons a svg{width:13px;height:13px;stroke:#dbe1ee;fill:none;transition:.2s;}
.social-icons a:hover{background:var(--blue-light);transform:translateY(-1px);}
.social-icons a:hover svg{stroke:#fff;}
.topbar .btn-quote{background:var(--blue-light);color:#fff;padding:8px 18px;font-size:11.5px;letter-spacing:1.2px;font-weight:700;text-transform:uppercase;border-radius:3px;transition:.2s;}
.topbar .btn-quote:hover{background:#4d6bd6;}
@media(max-width:900px){.topbar-left span.hide-mobile{display:none;}}
@media(max-width:700px){.topbar{display:none;}}

/* ============ HEADER / NAV ============ */
header.main-header{
  position:sticky;top:0;z-index:1000;background:#fff;
  box-shadow:0 2px 18px rgba(18,21,28,0.08);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:86px;}
.logo img{height:58px;width:auto;}
nav.main-nav{display:flex;align-items:center;gap:2px;}
nav.main-nav > ul{display:flex;align-items:center;gap:6px;}
nav.main-nav > ul > li{position:relative;}
nav.main-nav > ul > li > a{
  display:flex;align-items:center;gap:5px;
  padding:32px 16px;font-family:var(--font-head);font-weight:600;
  font-size:15px;letter-spacing:.6px;text-transform:uppercase;color:var(--ink);
  transition:.2s;
}
nav.main-nav > ul > li > a:hover, nav.main-nav > ul > li.active > a{color:var(--blue);}
nav.main-nav > ul > li > a svg{width:10px;transition:.2s;}
nav.main-nav > ul > li:hover > a svg{transform:rotate(180deg);}

/* simple dropdown (About) */
.dropdown{
  position:absolute;top:100%;left:0;background:#fff;min-width:280px;
  box-shadow:var(--shadow);border-radius:0 0 6px 6px;padding:12px 0;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;
  border-top:3px solid var(--blue);
}
@media(min-width:1081px){
  nav.main-nav > ul > li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
}
.dropdown a{display:block;padding:11px 26px;font-size:14.5px;color:var(--ink);font-weight:500;}
.dropdown a:hover{background:var(--off-white);color:var(--blue);padding-left:32px;}

/* mega menu (Products) */
nav.main-nav > ul > li.has-mega{position:static;}
.mega{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);
  width:min(1180px,calc(100vw - 40px));max-width:calc(100vw - 40px);
  margin-inline:auto;
  background:#fff;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transition:.22s;padding:36px;border-radius:0 0 8px 8px;
  border-top:3px solid var(--blue);
  box-sizing:border-box;
}
@media(min-width:1081px){
  nav.main-nav > ul > li:hover .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
}
.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
@media(max-width:1240px){.mega-grid{grid-template-columns:repeat(2,1fr);}}
.mega-col h4{
  font-size:13px;letter-spacing:1px;color:var(--blue);border-bottom:2px solid var(--silver-light);
  padding-bottom:10px;margin-bottom:12px;display:flex;align-items:center;gap:8px;
}
.mega-col h4 .ic{width:22px;height:22px;flex-shrink:0;display:inline-flex;}
.mega-col h4 .ic svg{width:100%;height:100%;stroke:var(--blue);}
.mega-col ul li a{
  display:block;padding:6px 0;font-size:13.5px;color:var(--steel);font-weight:500;
  text-transform:none;font-family:var(--font-body);border-bottom:1px dashed transparent;
}
.mega-col ul li a:hover{color:var(--blue);padding-left:6px;border-bottom-color:var(--silver);}
.mega-banner{
  border-radius:8px;overflow:hidden;position:relative;height:100%;min-height:280px;
  background:linear-gradient(160deg,var(--blue),var(--blue-dark));
  display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff;
}
.mega-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35;z-index:0;}
.mega-banner *{position:relative;z-index:1;}
.mega-banner h4{color:#fff;border:none;font-size:19px;text-transform:none;font-family:var(--font-head);margin-bottom:8px;}
.mega-banner p{font-size:13px;font-family:var(--font-body);text-transform:none;color:#dbe1ee;margin-bottom:16px;line-height:1.5;}

.nav-cta{display:flex;align-items:center;gap:14px;}
.icon-btn{width:42px;height:42px;border-radius:50%;background:var(--off-white);display:flex;align-items:center;justify-content:center;transition:.2s;}
.icon-btn:hover{background:var(--silver-light);}
.burger{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  position:relative;z-index:1201;border-radius:50%;transition:background .2s;}
.burger:hover{background:var(--off-white);}
.burger span{width:22px;height:2px;background:var(--ink);display:block;border-radius:2px;
  transition:transform .28s ease, opacity .2s ease;}
.burger.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-active span:nth-child(2){opacity:0;}
.burger.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* dark backdrop behind the mobile drawer */
.nav-overlay{
  position:fixed;inset:0;background:rgba(10,14,26,.55);backdrop-filter:blur(2px);
  z-index:1099;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}


@media(max-width:1080px){
  body.nav-open{overflow:hidden;}

  nav.main-nav{
    position:fixed;top:0;right:0;height:100vh;height:100dvh;width:min(380px,88vw);
    background:#fff;flex-direction:column;align-items:stretch;
    padding:90px 0 24px;overflow-y:auto;-webkit-overflow-scrolling:touch;
    transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);
    box-shadow:-10px 0 45px rgba(0,0,0,.25);z-index:1100;gap:0;
  }
  nav.main-nav.open{transform:translateX(0);}

  nav.main-nav > ul{flex-direction:column;align-items:stretch;width:100%;gap:0;}
  nav.main-nav > ul > li{width:100%;position:static;border-bottom:1px solid var(--line);}
  nav.main-nav > ul > li:last-child{border-bottom:none;}

  nav.main-nav > ul > li > a{padding:17px 24px;width:100%;justify-content:space-between;font-size:15.5px;}
  nav.main-nav > ul > li > a svg{transition:transform .25s ease;}
  nav.main-nav > ul > li.open > a svg{transform:rotate(180deg);}

  /* submenu: no hover — JS-driven .open class, smooth accordion.
     max-height animation used (not grid-rows) so nested grid content
     never gets squashed mid-transition. */
  .mega,.dropdown{
    position:static;width:100%;max-width:100%;transform:none;
    opacity:1;visibility:visible;box-shadow:none;border-top:none;
    background:var(--off-white);overflow:hidden;
    max-height:0;transition:max-height .35s ease;padding:0;margin:0;
  }
  nav.main-nav > ul > li.open .mega,
  nav.main-nav > ul > li.open .dropdown{max-height:1200px;}
  .dropdown{padding-left:8px;}
  .dropdown a{padding:12px 24px 12px 34px;font-size:14px;}

  .mega-grid{display:block;padding:6px 24px 14px 34px;}
  .mega-col{margin-bottom:14px;}
  .mega-col h4{margin-top:0;}
  .mega-banner{display:none;}

  .burger{display:flex;}
  .nav-cta{gap:8px;}
  .nav-cta .btn-outline{display:none;}
}

@media(max-width:420px){
  nav.main-nav{width:100vw;}
}

/* ============ HERO / BREADCRUMB (inner pages) ============ */
.page-hero{
  position:relative;background:linear-gradient(120deg,var(--blue-dark),var(--blue) 70%);
  padding:100px 0 70px;color:#fff;overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><path d="M0 60L60 0" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
  opacity:.5;
}
.page-hero .container{position:relative;z-index:1;}
.page-hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.4rem);}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-top:18px;font-size:14px;color:#b9c4e0;font-weight:500;}
.breadcrumb a{color:#dbe1ee;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.6;}

/* ============ FOOTER ============ */
footer{background:var(--blue-dark);color:#c6cfe6;padding-top:80px;position:relative;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-col h5{color:#fff;font-family:var(--font-head);letter-spacing:1px;font-size:16px;margin-bottom:20px;text-transform:uppercase;}
.footer-col p, .footer-col a{font-size:14px;line-height:1.9;color:#aebadb;}
.footer-col ul li a{transition:color .2s;}
.footer-col ul li a:hover{color:#fff;}
.footer-logo img{height:52px;margin-bottom:18px;filter:brightness(0) invert(1);}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:.2s;}
.footer-social a svg{width:16px;height:16px;stroke:#dbe1ee;fill:none;transition:.2s;}
.footer-social a:hover{background:var(--blue-light);transform:translateY(-2px);}
.footer-social a:hover svg{stroke:#fff;}
.footer-col .newsletter-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.footer-col .newsletter-form input{flex:1;min-width:160px;padding:12px 15px;border-radius:4px;border:1.5px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);color:#fff;font-size:13.5px;font-family:var(--font-body);}
.footer-col .newsletter-form input::placeholder{color:#8f9dc4;}
.footer-col .newsletter-form input:focus{outline:none;border-color:var(--blue-light);}
.footer-col .newsletter-form button{background:var(--blue-light);color:#fff;padding:12px 20px;border-radius:4px;font-family:var(--font-head);font-weight:600;font-size:13px;letter-spacing:1px;text-transform:uppercase;transition:.2s;}
.footer-col .newsletter-form button:hover{background:#4d6bd6;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:26px 0;font-size:13px;color:#8f9dc4;}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}.footer-bottom{flex-direction:column;gap:10px;text-align:center;}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* ============ FLOATING BUTTONS ============ */
.floating-btns{position:fixed;right:24px;bottom:24px;z-index:900;display:flex;flex-direction:column;gap:12px;}
.fab{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);color:#fff;transition:.25s;}
.fab svg{width:26px;height:26px;fill:none;stroke:#fff;}
.fab-top svg{width:20px;height:20px;stroke-width:2.5;}
.fab-whatsapp{background:#25D366;}
.fab-whatsapp svg{fill:#fff;stroke:none;}
.fab-top{background:var(--blue);opacity:0;pointer-events:none;transform:translateY(10px);}
.fab-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.fab:hover{transform:scale(1.08);}

/* ============ GENERIC COMPONENTS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
@media(max-width:980px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.grid-3,.grid-4{grid-template-columns:1fr;}}

.industry-card{text-align:center;padding:32px 18px;border:1px solid var(--line);border-radius:8px;transition:.25s;}
.industry-card:hover{border-color:var(--blue);box-shadow:var(--shadow-sm);transform:translateY(-3px);}
.industry-card svg{width:36px;height:36px;stroke:var(--blue);margin:0 auto 16px;display:block;}
.industry-card h4{font-size:15px;text-transform:none;font-family:var(--font-head);}
.industry-card-accent{background:var(--blue);border-color:var(--blue);}
.industry-card-accent svg{stroke:#fff;}
.industry-card-accent h4{color:#fff;}
.industry-card-accent:hover{transform:translateY(-3px);box-shadow:var(--shadow);}

.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:.3s;border:1px solid var(--line);}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.card .card-body{padding:22px;}
.card .card-body h4{font-size:16px;margin-bottom:8px;text-transform:none;font-family:var(--font-head);letter-spacing:.3px;}
.card .card-body p{font-size:13.5px;color:var(--steel);line-height:1.6;text-transform:none;font-family:var(--font-body);margin-bottom:14px;}
.card .card-link{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.5px;text-transform:uppercase;display:inline-flex;align-items:center;gap:6px;}

.bg-off{background:var(--off-white);}
.bg-dark{background:var(--blue-dark);color:#fff;}
.bg-dark h2, .bg-dark .section-head h2{color:#fff;}
.bg-dark .section-head p{color:#b9c4e0;}

.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);border-radius:10px;overflow:hidden;box-shadow:var(--shadow);}
.stat{background:var(--blue);color:#fff;padding:38px 20px;text-align:center;border-right:1px solid rgba(255,255,255,.12);}
.stat:last-child{border-right:none;}
.stat .num{font-family:var(--font-head);font-size:2.6rem;font-weight:700;}
.stat .lbl{font-size:12.5px;letter-spacing:1.5px;text-transform:uppercase;color:#d5dcf0;margin-top:6px;}
@media(max-width:768px){.stat-strip{grid-template-columns:repeat(2,1fr);}}

.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{padding:7px 16px;border:1px solid var(--line);border-radius:30px;font-size:13px;font-weight:600;color:var(--steel);}

table.spec-table{width:100%;border-collapse:collapse;font-size:14px;}
table.spec-table th{background:var(--blue);color:#fff;padding:12px 14px;text-align:left;font-family:var(--font-head);letter-spacing:.5px;font-size:13px;text-transform:uppercase;}
table.spec-table td{padding:11px 14px;border-bottom:1px solid var(--line);color:var(--steel);}
table.spec-table tr:nth-child(even){background:var(--off-white);}

.faq-item{border-bottom:1px solid var(--line);padding:20px 0;}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:var(--font-head);font-weight:600;font-size:16px;color:var(--blue-dark);}
.faq-a{max-height:0;overflow:hidden;transition:.3s;font-size:14.5px;color:var(--steel);line-height:1.7;}
.faq-item.open .faq-a{max-height:300px;padding-top:14px;}
.faq-item.open .faq-q svg{transform:rotate(45deg);}
.faq-q svg{transition:.25s;}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-grid .full{grid-column:1/-1;}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--blue-dark);margin-bottom:7px;letter-spacing:.3px;text-transform:uppercase;font-family:var(--font-head);}
.form-field input, .form-field select, .form-field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:4px;font-family:var(--font-body);font-size:14.5px;transition:.2s;background:#fff;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{outline:none;border-color:var(--blue);}
@media(max-width:700px){.form-grid{grid-template-columns:1fr;}}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* sidebar (product pages) */
.layout-sidebar{display:grid;grid-template-columns:280px 1fr;gap:44px;align-items:start;}
.sidebar-box{background:var(--off-white);border-radius:8px;padding:26px;position:sticky;top:110px;}
.sidebar-box h5{font-size:14px;color:var(--blue-dark);margin-bottom:14px;letter-spacing:.5px;}
.sidebar-box ul li a{display:block;padding:10px 0;font-size:14px;color:var(--steel);border-bottom:1px solid var(--line);font-weight:500;}
.sidebar-box ul li a:hover, .sidebar-box ul li a.active{color:var(--blue);padding-left:6px;}
.sidebar-cta{margin-top:20px;background:var(--blue);color:#fff;border-radius:8px;padding:22px;text-align:center;}
.sidebar-cta h5{color:#fff;font-size:15px;margin-bottom:10px;}
.sidebar-cta p{font-size:12.5px;color:#dbe1ee;margin-bottom:16px;text-transform:none;font-family:var(--font-body);}
@media(max-width:900px){.layout-sidebar{grid-template-columns:1fr;}.sidebar-box{position:static;}}