/* ==========================================================================
   Nanco Sales — production stylesheet
   Design direction: Clean & trustworthy (white/light, navy + blue accents)
   Single shared stylesheet for all pages. Derived from approved mockup v1.
   ========================================================================== */

:root{
  --navy:#1B3A5C;
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --ink:#1E293B;
  --slate:#64748B;
  --slate-light:#94A3B8;
  --line:#E2E8F0;
  --bg:#FFFFFF;
  --bg-soft:#F6F9FC;
  --accent:#0EA5E9;
  --whatsapp:#0B7A3B;      /* AA-accessible: white text = 5.44:1 */
  --whatsapp-dark:#095F2E;
  --whatsapp-bright:#25D366; /* decorative only — never behind white text */
  --maxw:1120px;
  --radius:12px;
  --shadow-sm:0 6px 18px rgba(27,58,92,.08);
  --shadow-md:0 14px 30px rgba(27,58,92,.12);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Segoe UI',system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--blue)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* Skip link for keyboard/screen-reader users */
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}

/* Focus visibility for accessibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--accent);outline-offset:2px;border-radius:4px;
}

/* --------------------------------------------------------------- Top bar */
.topbar{background:var(--navy);color:#CBD5E1;font-size:13px;padding:6px 0}
.topbar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.topbar a{color:#fff;text-decoration:none}
.topbar a:hover{text-decoration:underline}

/* ------------------------------------------------------------------- Nav */
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}
nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-mark{width:44px;height:44px;border-radius:10px;flex-shrink:0;display:block}
.logo-text{line-height:1.15}
.logo-text b{font-size:19px;color:var(--navy);letter-spacing:.2px}
.logo-text span{display:block;font-size:11px;color:var(--slate);text-transform:uppercase;letter-spacing:1.4px}
.nav-links{display:flex;gap:26px;list-style:none;align-items:center}
.nav-links a{text-decoration:none;color:var(--ink);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--blue)}
.nav-links a[aria-current="page"]{color:var(--blue);font-weight:700}

/* Mobile menu toggle */
.nav-toggle{display:none;background:none;border:1.5px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;color:var(--navy)}
.nav-toggle svg{display:block}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 22px;border-radius:8px;font-weight:600;font-size:15px;line-height:1;white-space:nowrap;text-decoration:none;transition:.2s;cursor:pointer;border:none;font-family:inherit}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-wa{background:var(--whatsapp);color:#fff}
.btn-wa:hover{background:var(--whatsapp-dark)}
.btn-outline{border:1.5px solid var(--navy);color:var(--navy);background:#fff}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-lg{padding:14px 30px;font-size:16.5px}

/* ------------------------------------------------------------------ Hero */
.hero{background:linear-gradient(180deg,var(--bg-soft) 0%,#fff 100%);padding:72px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;background:#E0EDFF;color:var(--blue-dark);font-size:12.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:5px 14px;border-radius:100px;margin-bottom:18px}
h1{font-size:44px;line-height:1.15;color:var(--navy);font-weight:800;letter-spacing:-.5px}
h1 .hl{color:var(--blue)}
.hero p.lead{font-size:18px;color:var(--slate);margin:18px 0 30px;max-width:520px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.trust-row{display:flex;gap:28px;margin-top:36px;flex-wrap:wrap}
.trust-item b{display:block;font-size:26px;color:var(--navy)}
.trust-item span{font-size:13px;color:var(--slate)}

/* Hero visual — abrasive pad stack, pure CSS */
.hero-visual{position:relative;height:360px}
.pad{position:absolute;width:230px;height:150px;border-radius:10px;box-shadow:0 12px 28px rgba(27,58,92,.18)}
.pad::after{content:"";position:absolute;inset:0;border-radius:10px;background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1.4px);background-size:5px 5px;opacity:.7}
.pad-maroon{background:#7A2E3C;top:20px;left:40px;transform:rotate(-8deg)}
.pad-green{background:#2F6B4F;top:90px;left:130px;transform:rotate(4deg)}
.pad-grey{background:#5B6670;top:170px;left:60px;transform:rotate(-3deg)}
.pad-label{position:absolute;bottom:10px;left:14px;color:rgba(255,255,255,.92);font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;z-index:2}
.visual-caption{position:absolute;bottom:-6px;right:0;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 18px;font-size:13px;color:var(--slate);box-shadow:var(--shadow-sm)}
.visual-caption b{color:var(--navy)}

/* --------------------------------------------------------- Page headers */
.page-head{background:linear-gradient(180deg,var(--bg-soft) 0%,#fff 100%);padding:52px 0 40px;border-bottom:1px solid var(--line)}
.page-head .eyebrow{margin-bottom:14px}
.page-head h1{font-size:38px}
.page-head p{color:var(--slate);font-size:17px;max-width:640px;margin-top:14px}
.breadcrumb{font-size:13px;color:var(--slate);margin-bottom:16px}
.breadcrumb a{color:var(--slate);text-decoration:none}
.breadcrumb a:hover{color:var(--blue)}

/* --------------------------------------------------------- Client strip */
.clients{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;padding:26px 0}
.clients .wrap{display:flex;align-items:center;gap:40px;flex-wrap:wrap;justify-content:center}
.clients .label{font-size:13px;color:var(--slate);text-transform:uppercase;letter-spacing:1.5px;font-weight:600}
.client-logo{height:60px;min-width:150px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;padding:10px 24px;background:#fff}
.client-logo img{max-height:38px;width:auto;object-fit:contain}
.client-wordmark{color:var(--navy);font-weight:800;font-size:16px;letter-spacing:.3px}
.client-note{width:100%;text-align:center;font-size:12px;color:var(--slate)}

/* -------------------------------------------------------------- Sections */
section{padding:64px 0}
.sec-head{text-align:center;max-width:660px;margin:0 auto 44px}
.sec-head h2{font-size:32px;color:var(--navy);font-weight:800;letter-spacing:-.3px}
.sec-head p{color:var(--slate);margin-top:10px;font-size:16.5px}

/* Abrasive pad grade cards */
.grades{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grade-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:.2s}
.grade-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.grade-swatch{height:120px;position:relative}
.grade-swatch::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.25) 1px,transparent 1.4px);background-size:5px 5px}
.sw-green{background:#2F6B4F}.sw-maroon{background:#7A2E3C}.sw-grey{background:#5B6670}.sw-white{background:#E8E5DE}
.grade-body{padding:18px}
.grade-body h3{font-size:17px;color:var(--navy)}
.grade-body .use{font-size:13.5px;color:var(--slate);margin:6px 0 12px}
.chip{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;padding:3px 10px;border-radius:100px;background:var(--bg-soft);color:var(--navy);border:1px solid var(--line)}

/* Divisions */
.divisions{background:var(--bg-soft)}
.div-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.div-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px}
.div-card .icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.icon-ind{background:#E0EDFF}
.icon-it{background:#E7F9EF}
.div-card h3{font-size:21px;color:var(--navy);margin-bottom:10px}
.div-card p{color:var(--slate);font-size:15px;margin-bottom:16px}
.div-card ul{list-style:none;margin-bottom:22px}
.div-card li{font-size:14.5px;padding:5px 0 5px 26px;position:relative;color:var(--ink)}
.div-card li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.badge-new{background:#DCFCE7;color:#166534;font-size:11px;font-weight:700;padding:3px 10px;border-radius:100px;letter-spacing:.8px;vertical-align:middle;margin-left:8px}

/* Why us */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-card{padding:24px;border:1px solid var(--line);border-radius:14px;background:#fff}
.why-card .n{font-size:13px;font-weight:800;color:var(--blue);letter-spacing:1px}
.why-card h4{font-size:16.5px;color:var(--navy);margin:8px 0 6px}
.why-card p{font-size:14px;color:var(--slate)}

/* -------------------------------------------------- Product catalog page */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:36px}
.filter-btn{min-height:44px;padding:8px 18px;border-radius:100px;border:1.5px solid var(--line);background:#fff;color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;transition:.15s;font-family:inherit}
.filter-btn:hover{border-color:var(--blue);color:var(--blue)}
.filter-btn.is-active{background:var(--navy);border-color:var(--navy);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:.2s;display:flex;flex-direction:column}
.product-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.product-thumb{height:170px;display:flex;align-items:center;justify-content:center;background:var(--bg-soft);position:relative;overflow:hidden}
.product-thumb .thumb-icon{font-size:44px;opacity:.85}
.product-thumb::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(27,58,92,.05) 1px,transparent 1.4px);background-size:6px 6px;pointer-events:none}
.product-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.product-body{padding:18px;display:flex;flex-direction:column;flex:1}
.product-body h3{font-size:16.5px;color:var(--navy);margin-bottom:6px}
.product-body .cat-tag{font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--slate);margin-bottom:8px}
.product-body .desc{font-size:13.5px;color:var(--slate);margin-bottom:14px;flex:1}
.product-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto}
.price{font-size:16px;font-weight:800;color:var(--navy)}
.price small{font-size:12px;font-weight:600;color:var(--slate)}
.price.contact{font-size:13.5px;font-weight:700;color:var(--blue)}
.link-wa{font-size:13px;font-weight:700;color:var(--whatsapp-dark);text-decoration:none;white-space:nowrap}
.link-wa:hover{text-decoration:underline}
.empty-note{grid-column:1/-1;text-align:center;color:var(--slate);padding:40px}

/* -------------------------------------------------------- Content blocks */
.prose{max-width:760px;margin:0 auto}
.prose h2{font-size:26px;color:var(--navy);margin:34px 0 12px}
.prose h3{font-size:19px;color:var(--navy);margin:24px 0 8px}
.prose p{color:var(--ink);margin-bottom:14px;font-size:16px}
.prose ul{margin:0 0 18px 0;list-style:none}
.prose ul li{position:relative;padding:5px 0 5px 26px;color:var(--ink)}
.prose ul li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.note-box{background:var(--bg-soft);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:10px;padding:18px 22px;margin:22px 0;font-size:14.5px;color:var(--slate)}

.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.feature-split .media{background:var(--bg-soft);border:1px solid var(--line);border-radius:16px;min-height:260px;display:flex;align-items:center;justify-content:center;font-size:64px}
.feature-photo{width:100%;max-height:440px;object-fit:contain;background:#ECECEA;border-radius:16px;border:1px solid var(--line);display:block}

/* IT services list */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service-card{border:1px solid var(--line);border-radius:14px;background:#fff;padding:28px}
.service-card .icon{width:48px;height:48px;border-radius:11px;background:#E7F9EF;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.service-card h3{font-size:18px;color:var(--navy);margin-bottom:8px}
.service-card p{font-size:14.5px;color:var(--slate)}

/* --------------------------------------------------------- Contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-card{border:1px solid var(--line);border-radius:14px;padding:26px;margin-bottom:18px;background:#fff}
.contact-card h3{font-size:15px;color:var(--slate);text-transform:uppercase;letter-spacing:1px;margin-bottom:10px}
.contact-card p,.contact-card a{font-size:16px;color:var(--ink);text-decoration:none}
.contact-card a:hover{color:var(--blue)}
.contact-card .big{font-size:20px;font-weight:700;color:var(--navy)}
.map-embed{border:0;width:100%;height:320px;border-radius:14px}

/* Enquiry form (optional; posts to WhatsApp via JS, no backend) */
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:6px}
.form-field input,.form-field textarea,.form-field select{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;color:var(--ink)}
.form-field textarea{min-height:110px;resize:vertical}
.form-hint{font-size:12.5px;color:var(--slate);margin-top:8px}

/* -------------------------------------------------------------- CTA band */
.cta-band{background:linear-gradient(120deg,var(--navy),var(--blue-dark));color:#fff;text-align:center}
.cta-band h2{font-size:30px;font-weight:800;margin-bottom:12px}
.cta-band p{color:#C7D8F0;margin-bottom:26px;font-size:16.5px}

/* --------------------------------------------------------------- Footer */
footer{background:var(--navy);color:#B9C7D8;padding:48px 0 24px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:34px}
footer h5{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.4px}
footer p{color:#B9C7D8}
footer a{color:#B9C7D8;text-decoration:none;display:block;padding:3px 0}
footer a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;color:#B9C7D8}
.foot-credit{text-align:center;margin-top:16px;font-size:13px;color:#B9C7D8;line-height:1.55}
.foot-credit strong{color:#fff;font-weight:600}
.foot-credit-org{display:inline-block;font-size:11.5px;text-transform:uppercase;letter-spacing:1px;color:#B9C7D8}
.foot-credit a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35)}
.foot-credit a:hover{border-bottom-color:#fff}

/* Floating WhatsApp button (mobile-friendly, always reachable) */
.wa-float{position:fixed;bottom:22px;right:22px;width:56px;height:56px;border-radius:50%;background:var(--whatsapp);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(37,211,102,.45);z-index:90;text-decoration:none;transition:.2s}
.wa-float:hover{background:var(--whatsapp-dark);transform:scale(1.06)}
.wa-float svg{width:30px;height:30px}

/* ---------------------------------------------------------- Responsive */
@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-visual{display:none}
  .grades{grid-template-columns:repeat(2,1fr)}
  .div-grid,.why-grid,.service-grid{grid-template-columns:1fr}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .feature-split,.contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  h1{font-size:34px}
  .page-head h1{font-size:30px}

  /* Mobile nav */
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 0;
    box-shadow:var(--shadow-md);display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-links li{width:100%}
  .nav-links li a{display:block;padding:13px 24px}
  .nav-links li a.btn{margin:8px 24px;text-align:center;justify-content:center}
}
@media(max-width:560px){
  .grades,.product-grid,.why-grid,.foot-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr 1fr}
  section{padding:48px 0}
  .topbar{font-size:11.5px}
  .topbar .wrap span:first-child{display:none}
}

/* Respect reduced-motion preferences */
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto !important;transition:none !important}
}