/* =====================================================================
   AL RAYYAN GENERAL TRADING AFZ - Site stylesheet
   ===================================================================== */

:root {
  /* Minimal, low-saturation palette: near-black ink for authority,
     a single muted bronze accent used sparingly, neutral grays for
     everything else. Variable names kept as --navy/--orange for
     backward compatibility across the stylesheet. */
  --navy: #1c2430;
  --navy-dark: #12161d;
  --navy-light: #2c3542;
  --orange: #a06a35;
  --orange-dark: #855428;
  --bg: #ffffff;
  --bg-alt: #f6f6f7;
  --text: #20242c;
  --text-muted: #6b7280;
  --border: #e4e4e7;
  --radius: 8px;
  --shadow: 0 2px 14px rgba(17, 17, 21, 0.06);
  --shadow-lg: 0 10px 28px rgba(17, 17, 21, 0.1);
  --transition: 0.25s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4, h5 { margin: 0 0 0.5em; line-height: 1.25; color: var(--navy-dark); }
p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }

.section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  color: var(--orange);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(1.6rem, 2.4vw, 2.2rem); }
.section-head p { color: var(--text-muted); }

/* ---------------------------------------------------------------- */
/* Buttons */
/* ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; border-color: var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; }

/* ---------------------------------------------------------------- */
/* Header / Nav */
/* ---------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 100px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo { height: 68px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-weight: 700; color: var(--navy); font-size: 1.2rem; letter-spacing: 0.01em; }
.brand-tagline { font-size: 0.74rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-top: 2px; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav > ul { display: flex; list-style: none; gap: 26px; margin: 0; padding: 0; }
.site-nav > ul > li > a {
  font-weight: 600;
  color: var(--text);
  padding: 8px 2px;
  position: relative;
  transition: color var(--transition);
}
.site-nav > ul > li > a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width var(--transition);
}
.site-nav > ul > li > a:hover,
.site-nav > ul > li > a.active { color: var(--navy); }
.site-nav > ul > li > a:hover::after,
.site-nav > ul > li > a.active::after { width: 100%; }

.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: 100%; left: -14px;
  min-width: 260px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  list-style: none;
  margin: 12px 0 0;
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a { display: block; padding: 10px 12px; border-radius: 6px; font-size: 0.9rem; font-weight: 500; }
.dropdown li a:hover { background: var(--bg-alt); color: var(--navy); }

.nav-quote-link { position: relative; }
.cart-badge {
  position: absolute;
  top: -8px; right: -10px;
  background: var(--orange);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  border-radius: 999px;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 26px; height: 2px; background: var(--navy); border-radius: 2px; transition: var(--transition); }

/* ---------------------------------------------------------------- */
/* Hero / Slider */
/* ---------------------------------------------------------------- */
.hero-slider {
  position: relative;
  height: min(78vh, 620px);
  min-height: 460px;
  overflow: hidden;
  background: var(--navy-dark);
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.4s ease, visibility 0s linear 1.4s;
}
.hero-slide.active { opacity: 1; visibility: visible; z-index: 1; transition: opacity 1.4s ease; }
.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.1);
  transition: transform 8s linear;
  will-change: transform;
}
.hero-slide.active .hero-slide-bg { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(16, 20, 26, 0.90) 0%, rgba(16, 20, 26, 0.68) 45%, rgba(16, 20, 26, 0.28) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 640px;
  color: #fff;
  padding: 0 20px;
  margin: 0 auto;
  max-width: 1200px;
}
.hero-content .inner { max-width: 620px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(160, 106, 53, 0.16);
  border: 1px solid rgba(160, 106, 53, 0.5);
  color: #c99a6c;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-content h1 { color: #fff; font-size: clamp(2rem, 4.2vw, 3.2rem); margin-bottom: 18px; }
.hero-content p { color: rgba(255,255,255,0.85); font-size: 1.08rem; max-width: 540px; }
.hero-actions { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }

.hero-dots {
  position: absolute;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 10px;
}
.hero-dots button {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: var(--transition);
}
.hero-dots button.active { background: var(--orange); border-color: var(--orange); width: 26px; border-radius: 6px; }

.hero-arrow {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 3;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
}
.hero-arrow:hover { background: var(--orange); border-color: var(--orange); }
.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }

/* ---------------------------------------------------------------- */
/* Company profile PDF viewer */
/* ---------------------------------------------------------------- */
.profile-viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.profile-viewer-toolbar h2 { margin: 0; font-size: 1.3rem; }
.profile-viewer-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 85vh;
  min-height: 600px;
  background: var(--bg-alt);
}
.profile-viewer-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------------------------------------------------------------- */
/* Value props / feature cards */
/* ---------------------------------------------------------------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.value-icon {
  width: 60px; height: 60px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  transition: var(--transition);
}
.value-card:hover .value-icon { border-color: var(--orange); color: var(--orange); }
.value-card h3 { font-size: 1.1rem; }
.value-card p { color: var(--text-muted); margin: 0; font-size: 0.94rem; }

/* ---------------------------------------------------------------- */
/* Sector / category grid */
/* ---------------------------------------------------------------- */
.sector-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.sector-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.sector-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--orange); }
.sector-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
  transition: var(--transition);
}
.sector-card:hover .sector-icon { background: var(--orange); color: #fff; }
.sector-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.sector-card p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 14px; }
.sector-card .link-arrow { color: var(--orange); font-weight: 700; font-size: 0.86rem; }

/* Sector cards with a real cover photo */
.sector-card.has-photo { padding: 0; }
.sector-photo { aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-alt); }
.sector-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.sector-card.has-photo:hover .sector-photo img { transform: scale(1.08); }
.sector-card.has-photo .sector-body { padding: 0 22px 26px; }
.sector-card.has-photo .sector-icon {
  margin-top: -26px;
  margin-bottom: 14px;
  background: #fff;
  border: 3px solid #fff;
  box-shadow: var(--shadow);
}
.sector-card.has-photo:hover .sector-icon { background: var(--orange); color: #fff; }

/* ---------------------------------------------------------------- */
/* Product cards / grid */
/* ---------------------------------------------------------------- */
.products-layout { display: grid; grid-template-columns: 260px 1fr; gap: 32px; align-items: start; }
.filter-sidebar {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 22px;
  position: sticky;
  top: 118px;
}
.filter-sidebar h4 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--navy); }
.filter-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.filter-list a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 12px; border-radius: 8px; font-size: 0.92rem; font-weight: 500; color: var(--text);
  transition: var(--transition);
}
.filter-list a:hover, .filter-list a.active { background: var(--navy); color: #fff; }
.filter-list .count { font-size: 0.76rem; opacity: 0.7; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.product-thumb { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-alt); }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.product-card:hover .product-thumb img { transform: scale(1.06); }
.product-card-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-category-tag { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--orange); font-weight: 700; }
.product-card h3 { font-size: 1rem; margin-bottom: 2px; }
.product-card h3 a { color: var(--navy-dark); }
.product-card p.desc { font-size: 0.86rem; color: var(--text-muted); flex: 1; }
.product-price { font-weight: 700; color: var(--navy); }
.product-card-actions { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.qty-input {
  width: 68px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 8px;
  font-size: 0.9rem;
}
.line-subtotal { font-size: 0.8rem; color: var(--text-muted); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }

/* ---------------------------------------------------------------- */
/* Product detail page */
/* ---------------------------------------------------------------- */
.pd-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: start; }
.pd-gallery-main { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); aspect-ratio: 4/3; background: var(--bg-alt); }
.pd-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.pd-gallery-thumbs img { width: 74px; height: 74px; object-fit: cover; border-radius: 8px; border: 2px solid transparent; cursor: pointer; }
.pd-gallery-thumbs img.active { border-color: var(--orange); }
.pd-info .breadcrumb { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 14px; }
.pd-info .breadcrumb a { color: var(--navy); font-weight: 600; }
.pd-info h1 { font-size: 1.7rem; }
.pd-price { font-size: 1.5rem; font-weight: 800; color: var(--navy); margin: 12px 0; }
.pd-specs { list-style: none; margin: 20px 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; }
.pd-specs li { font-size: 0.9rem; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.pd-specs li strong { display: block; color: var(--navy); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 3px; }
.pd-order-box { background: var(--bg-alt); border-radius: var(--radius); padding: 22px; margin-top: 24px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.pd-order-box .qty-group { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; background: #fff; }
.pd-order-box .qty-group button { width: 38px; height: 38px; border: none; background: none; font-size: 1.1rem; cursor: pointer; color: var(--navy); }
.pd-order-box .qty-group input { width: 54px; border: none; text-align: center; font-weight: 700; }
.pd-subtotal { font-weight: 700; color: var(--navy); }

/* ---------------------------------------------------------------- */
/* Quote / cart page */
/* ---------------------------------------------------------------- */
.quote-table { width: 100%; border-collapse: collapse; background: #fff; }
.quote-table th, .quote-table td { padding: 16px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
.quote-table th { background: var(--bg-alt); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--navy); }
.quote-product { display: flex; align-items: center; gap: 14px; }
.quote-product img { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; }
.quote-remove { color: #c0392b; font-weight: 600; font-size: 0.85rem; cursor: pointer; background: none; border: none; }
.quote-summary { display: flex; justify-content: flex-end; margin-top: 20px; }
.quote-summary-box { width: 320px; background: var(--bg-alt); border-radius: var(--radius); padding: 22px; }
.quote-summary-box .row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 0.95rem; }
.quote-summary-box .grand { font-size: 1.2rem; font-weight: 800; color: var(--navy); border-top: 1px solid var(--border); padding-top: 12px; margin-top: 10px; }
.table-wrap { overflow-x: auto; }

/* ---------------------------------------------------------------- */
/* Forms */
/* ---------------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-weight: 600; font-size: 0.9rem; color: var(--navy-dark); }
.form-group input, .form-group select, .form-group textarea {
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px;
  font-family: inherit; font-size: 0.95rem; background: #fff; color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(28, 36, 48, 0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.honeypot-field { position: absolute; left: -9999px; opacity: 0; height: 0; }
.form-alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-size: 0.92rem; }
.form-alert.success { background: #e5f7ec; color: #1a7a41; border: 1px solid #b6e6c8; }
.form-alert.error { background: #fdecea; color: #b3261e; border: 1px solid #f6c6c2; }

/* ---------------------------------------------------------------- */
/* Contact page */
/* ---------------------------------------------------------------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info-card { background: var(--bg-alt); border-radius: var(--radius); padding: 28px; margin-bottom: 20px; }
.contact-info-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.contact-info-card li { display: flex; gap: 14px; align-items: flex-start; font-size: 0.95rem; }
.contact-info-card .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.map-embed { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); height: 260px; }
.map-embed iframe { width: 100%; height: 100%; border: 0; }

/* ---------------------------------------------------------------- */
/* Testimonials / partners strip */
/* ---------------------------------------------------------------- */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.testimonial-card p.quote { font-style: italic; color: var(--text-muted); }
.testimonial-author { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.testimonial-author strong { display: block; font-size: 0.92rem; color: var(--navy-dark); }
.testimonial-author span { font-size: 0.8rem; color: var(--text-muted); }

.partners-strip { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; }
.partner-chip {
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 999px;
  padding: 10px 22px; font-weight: 600; font-size: 0.85rem; color: var(--navy);
}

/* ---------------------------------------------------------------- */
/* CTA band */
/* ---------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy), var(--navy-light));
  color: #fff; text-align: center; border-radius: var(--radius);
  padding: 56px 30px; margin: 0 auto; max-width: 1200px;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 24px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------------------------------------------------------------- */
/* Footer */
/* ---------------------------------------------------------------- */
.site-footer { background: var(--navy-dark); color: rgba(255,255,255,0.82); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer-logo { height: 42px; margin-bottom: 14px; }
.footer-name { font-weight: 800; color: #fff; margin-bottom: 2px; }
.footer-tagline { color: var(--orange); font-size: 0.82rem; font-weight: 600; margin-bottom: 12px; }
.footer-about { font-size: 0.85rem; color: rgba(255,255,255,0.65); }
.footer-col h4 { color: #fff; font-size: 0.92rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.88rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--orange); }
.footer-contact li { font-size: 0.88rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0; margin-top: 10px; }
.footer-bottom-inner { display: flex; justify-content: space-between; font-size: 0.8rem; color: rgba(255,255,255,0.55); }

/* ---------------------------------------------------------------- */
/* WhatsApp FAB */
/* ---------------------------------------------------------------- */
.whatsapp-fab {
  position: fixed; bottom: 26px; right: 26px; z-index: 300;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 22px rgba(0,0,0,0.25);
  transition: transform var(--transition);
}
.whatsapp-fab:hover { transform: scale(1.08); }

/* ---------------------------------------------------------------- */
/* Page header (inner pages) */
/* ---------------------------------------------------------------- */
.page-hero {
  background: linear-gradient(120deg, var(--navy-dark), var(--navy));
  color: #fff; padding: 64px 0 48px; text-align: center;
}
.page-hero h1 { color: #fff; margin-bottom: 8px; }
.page-hero p { color: rgba(255,255,255,0.75); max-width: 560px; margin: 0 auto; }
.breadcrumb-nav { font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-bottom: 12px; }
.breadcrumb-nav a { color: #fff; font-weight: 600; }

/* ---------------------------------------------------------------- */
/* Utilities */
/* ---------------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------------------------------------------------------------- */
/* Responsive */
/* ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: 1fr; }
  .pd-layout { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .products-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; }
}

@media (max-width: 768px) {
  /* backdrop-filter on an ancestor makes it the containing block for any
     position:fixed descendant (like the full-screen menu below), which
     traps the menu inside the ~100px header bar instead of covering the
     viewport. Disable the blur on mobile so position:fixed works normally. */
  .site-header { backdrop-filter: none; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed; top: 100px; left: 0; right: 0; bottom: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 24px 20px; gap: 20px; overflow-y: auto;
    transform: translateX(100%); transition: transform 0.3s ease;
    z-index: 199;
  }
  .site-nav.open { transform: translateX(0); }
  .site-nav > ul { flex-direction: column; gap: 4px; }
  .site-nav > ul > li > a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--border); }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; display: none; margin: 0; }
  .has-dropdown.open .dropdown { display: block; }
  .hero-arrow { width: 36px; height: 36px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  section { padding: 52px 0; }
  .product-grid { grid-template-columns: 1fr; }
  .sector-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; gap: 6px; text-align: center; }
  .pd-specs { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .profile-viewer-toolbar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .profile-viewer-frame { height: 70vh; min-height: 420px; }
}