/* =========================================================
   VOYLYNX — Public Site Stylesheet
   Design concept: an international trade corridor.
   A navy/steel palette (trust, industry) with a single warm
   amber accent (energy, solar, equatorial sun) and a
   recurring "route line" motif tying China/India/GCC to
   Tanzania throughout the page.
   ========================================================= */

:root {
  --color-navy: #10233F;
  --color-navy-mid: #1B3A63;
  --color-navy-soft: #23406B;
  --color-steel: #5B6B7F;
  --color-steel-light: #D5DCE3;
  --color-bg: #F4F6F8;
  --color-white: #FFFFFF;
  --color-amber: #D9A441;
  --color-amber-dark: #B9852A;
  --color-ink: #1A2027;
  --color-success: #2F8F5B;
  --color-danger: #C0463A;

  --font-head: 'Archivo', Helvetica, Arial, sans-serif;
  --font-body: 'IBM Plex Sans', Helvetica, Arial, sans-serif;

  --max-width: 1180px;
  --radius: 4px;
  --transition: 180ms ease;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--color-navy);
}
h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; max-width: 62ch; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-navy);
  color: #fff;
  padding: 10px 16px;
  z-index: 999;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 3px solid var(--color-amber);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.btn-amber { background: var(--color-amber); color: var(--color-navy); }
.btn-amber:hover { background: var(--color-amber-dark); transform: translateY(-1px); }
.btn-navy { background: var(--color-navy); color: #fff; }
.btn-navy:hover { background: var(--color-navy-mid); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.5); }
.btn-outline:hover { border-color: #fff; }
.btn-outline-navy { background: transparent; color: var(--color-navy); border-color: var(--color-steel-light); }
.btn-outline-navy:hover { border-color: var(--color-navy); }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-block { display: block; width: 100%; text-align: center; }

/* ---------------------------------------------------------
   Header / Navigation
   --------------------------------------------------------- */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-steel-light);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-text {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-navy);
  letter-spacing: 0.01em;
}
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav > ul { display: flex; gap: 26px; }
.main-nav > ul > li { position: relative; padding: 10px 0; }
.main-nav > ul > li > a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-navy);
}
.main-nav > ul > li > a:hover { color: var(--color-amber-dark); }

.has-dropdown .dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-white);
  border: 1px solid var(--color-steel-light);
  border-radius: var(--radius);
  min-width: 210px;
  box-shadow: 0 8px 24px rgba(16, 35, 63, 0.1);
  padding: 8px 0;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown { display: block; }
.dropdown li a { display: block; padding: 9px 18px; font-size: 0.9rem; color: var(--color-ink); }
.dropdown li a:hover { background: var(--color-bg); color: var(--color-navy); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--color-navy); display: block; }

.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
  z-index: 200;
  transition: transform var(--transition);
}
.whatsapp-fab:hover { transform: scale(1.06); }

/* ---------------------------------------------------------
   Hero / Slider
   --------------------------------------------------------- */
.hero-slider { position: relative; overflow: hidden; background: var(--color-navy); }
.hero-slide {
  display: none;
  min-height: 560px;
  align-items: center;
  background-size: cover;
  background-position: center;
  position: relative;
}
.hero-slide.is-active { display: flex; }
.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(16,35,63,0.94) 0%, rgba(16,35,63,0.78) 42%, rgba(16,35,63,0.35) 100%);
}
.hero-slide-inner {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 640px;
}
.hero-slide-inner h1 { color: #fff; }
.hero-slide-inner p { color: #DCE3EC; font-size: 1.1rem; }
.hero-actions { display: flex; gap: 14px; margin-top: 24px; flex-wrap: wrap; }

.hero-dots { position: absolute; bottom: 22px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; z-index: 3; }
.hero-dots button {
  width: 9px; height: 9px; border-radius: 50%; border: none; background: rgba(255,255,255,0.4); cursor: pointer; padding: 0;
}
.hero-dots button.is-active { background: var(--color-amber); }

/* Corridor / route line motif -------------------------------------------- */
.route-diagram { width: 100%; height: auto; }
.route-diagram .route-line { stroke: var(--color-amber); stroke-width: 2; fill: none; stroke-dasharray: 6 6; }
.route-diagram .route-node circle { fill: var(--color-navy); }
.route-diagram .route-node.origin circle { fill: var(--color-amber); }
.route-diagram text { font-family: var(--font-body); fill: var(--color-navy); font-size: 13px; font-weight: 600; }

/* ---------------------------------------------------------
   Generic section spacing
   --------------------------------------------------------- */
.section { padding: 76px 0; }
.section-tight { padding: 48px 0; }
.section-navy { background: var(--color-navy); color: #EDF1F6; }
.section-navy h2, .section-navy h3 { color: #fff; }
.section-navy p { color: #C7D3E0; }
.section-alt { background: var(--color-white); }
.section-head { max-width: 680px; margin-bottom: 40px; }
.section-head p { color: var(--color-steel); }
.rule { border: none; border-top: 1px solid var(--color-steel-light); margin: 0; }

/* ---------------------------------------------------------
   Intro / feature grid (Why Choose VOYLYNX)
   --------------------------------------------------------- */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 40px; }
.feature-item { border-left: 2px solid var(--color-amber); padding-left: 18px; }
.feature-item h3 { margin-bottom: 6px; }
.feature-item p { color: var(--color-steel); margin: 0; }

/* ---------------------------------------------------------
   Category grid
   --------------------------------------------------------- */
.category-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-steel-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.category-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(16,35,63,0.12); }
.category-card img { width: 100%; height: 130px; object-fit: cover; background: var(--color-steel-light); }
.category-card .category-card-body { padding: 16px; }
.category-card h3 { font-size: 1rem; margin-bottom: 4px; }
.category-card p { font-size: 0.85rem; color: var(--color-steel); margin: 0; }

/* ---------------------------------------------------------
   Business hubs
   --------------------------------------------------------- */
.hub-list { display: flex; flex-direction: column; gap: 0; }
.hub-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--color-steel-light);
}
.hub-row:last-child { border-bottom: none; }
.hub-row .hub-visual {
  background: var(--color-navy);
  border-radius: var(--radius);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.hub-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-amber-dark);
  margin-bottom: 10px;
}

/* ---------------------------------------------------------
   Products
   --------------------------------------------------------- */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.search-form { display: flex; gap: 8px; }
.search-form input[type="text"] {
  padding: 10px 14px;
  border: 1px solid var(--color-steel-light);
  border-radius: var(--radius);
  min-width: 240px;
  font-family: var(--font-body);
}
.category-filters { display: flex; gap: 10px; flex-wrap: wrap; }
.category-filters a {
  padding: 7px 14px;
  border: 1px solid var(--color-steel-light);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--color-navy);
}
.category-filters a.is-active,
.category-filters a:hover { background: var(--color-navy); color: #fff; border-color: var(--color-navy); }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-steel-light);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.product-card:hover { box-shadow: 0 10px 26px rgba(16,35,63,0.12); transform: translateY(-2px); }
.product-card img { width: 100%; height: 190px; object-fit: cover; background: var(--color-steel-light); }
.product-card-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card-cat { font-size: 0.78rem; color: var(--color-steel); text-transform: none; }
.product-card h3 { font-size: 1.05rem; margin: 0; }
.product-card h3 a { color: var(--color-navy); }
.product-card p { font-size: 0.88rem; color: var(--color-steel); margin: 0; flex: 1; }
.product-card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.badge { font-size: 0.72rem; padding: 3px 9px; border-radius: 999px; background: var(--color-bg); color: var(--color-steel); }
.badge-featured { background: rgba(217,164,65,0.18); color: var(--color-amber-dark); }

.pagination { display: flex; gap: 8px; margin-top: 36px; justify-content: center; }
.pagination a, .pagination span {
  padding: 8px 14px;
  border: 1px solid var(--color-steel-light);
  border-radius: var(--radius);
  font-size: 0.9rem;
}
.pagination .is-current { background: var(--color-navy); color: #fff; border-color: var(--color-navy); }

/* Product detail */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.product-gallery-main { border: 1px solid var(--color-steel-light); border-radius: var(--radius); overflow: hidden; margin-bottom: 12px; }
.product-gallery-main img { width: 100%; height: 380px; object-fit: cover; }
.product-thumbs { display: flex; gap: 10px; flex-wrap: wrap; }
.product-thumbs img { width: 72px; height: 72px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--color-steel-light); cursor: pointer; }
.product-meta-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.product-meta-table td { padding: 9px 0; border-bottom: 1px solid var(--color-steel-light); font-size: 0.92rem; }
.product-meta-table td:first-child { color: var(--color-steel); width: 40%; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table td { padding: 8px 0; border-bottom: 1px solid var(--color-steel-light); font-size: 0.9rem; }
.spec-table td:first-child { color: var(--color-steel); width: 45%; }
.product-actions { display: flex; gap: 12px; margin: 22px 0; flex-wrap: wrap; }

/* ---------------------------------------------------------
   Forms
   --------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group.full { grid-column: 1 / -1; }
label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--color-navy); }
input[type="text"], input[type="email"], input[type="tel"], input[type="date"], input[type="file"], select, textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--color-steel-light);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-white);
  color: var(--color-ink);
}
textarea { resize: vertical; min-height: 110px; }
input:focus, select:focus, textarea:focus { border-color: var(--color-navy); }
.help-text { font-size: 0.8rem; color: var(--color-steel); margin-top: 4px; }
.alert { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 24px; font-size: 0.92rem; }
.alert-success { background: rgba(47,143,91,0.12); color: var(--color-success); border: 1px solid rgba(47,143,91,0.3); }
.alert-error { background: rgba(192,70,58,0.1); color: var(--color-danger); border: 1px solid rgba(192,70,58,0.3); }

/* Quote cart */
.quote-cart-list { border: 1px solid var(--color-steel-light); border-radius: var(--radius); overflow: hidden; margin-bottom: 30px; }
.quote-cart-item { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-bottom: 1px solid var(--color-steel-light); }
.quote-cart-item:last-child { border-bottom: none; }
.quote-cart-item img { width: 56px; height: 56px; object-fit: cover; border-radius: var(--radius); }
.quote-cart-item .qty-input { width: 100px; }
.quote-cart-empty { padding: 30px; text-align: center; color: var(--color-steel); }
.remove-link { color: var(--color-danger); font-size: 0.85rem; }

/* ---------------------------------------------------------
   FAQ accordion
   --------------------------------------------------------- */
.faq-item { border-bottom: 1px solid var(--color-steel-light); }
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--transition); }
.faq-item.is-open .faq-answer { max-height: 400px; padding-bottom: 20px; }
.faq-icon { flex-shrink: 0; transition: transform var(--transition); }
.faq-item.is-open .faq-icon { transform: rotate(45deg); }

/* ---------------------------------------------------------
   Gallery
   --------------------------------------------------------- */
.gallery-tabs { display: flex; gap: 10px; margin-bottom: 30px; }
.gallery-tabs button {
  padding: 9px 18px; border-radius: 999px; border: 1px solid var(--color-steel-light); background: #fff; cursor: pointer; font-family: var(--font-body); font-weight: 600; font-size: 0.9rem;
}
.gallery-tabs button.is-active { background: var(--color-navy); color: #fff; border-color: var(--color-navy); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-grid img { width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius); }
.gallery-panel { display: none; }
.gallery-panel.is-active { display: grid; }
.video-card { position: relative; }
.video-card iframe { width: 100%; height: 180px; border-radius: var(--radius); border: none; }

/* ---------------------------------------------------------
   How We Work (steps)
   --------------------------------------------------------- */
.steps-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.step-item { position: relative; padding-top: 18px; border-top: 3px solid var(--color-amber); }
.step-item h3 { font-size: 1.05rem; }
.step-item p { color: var(--color-steel); font-size: 0.9rem; }

/* ---------------------------------------------------------
   CTA band
   --------------------------------------------------------- */
.cta-band {
  background: var(--color-navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 6px; }
.cta-band p { color: #C7D3E0; margin: 0; }

/* ---------------------------------------------------------
   Contact page
   --------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; }
.contact-info-item { display: flex; gap: 14px; margin-bottom: 22px; }
.contact-info-item .icon { width: 40px; height: 40px; border-radius: 50%; background: rgba(217,164,65,0.15); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--color-amber-dark); }

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.site-footer { background: var(--color-navy); color: #C7D3E0; padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-logo { color: #fff; margin-bottom: 10px; }
.site-footer h3 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; }
.site-footer a:hover { color: var(--color-amber); }
.footer-col ul li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-address { font-size: 0.9rem; color: #9FB0C4; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
}
.footer-legal { display: flex; gap: 18px; }

/* ---------------------------------------------------------
   Misc pages
   --------------------------------------------------------- */
.page-header { background: var(--color-navy); color: #fff; padding: 56px 0; }
.page-header h1 { color: #fff; margin-bottom: 8px; }
.page-header p { color: #C7D3E0; margin: 0; }
.breadcrumb { font-size: 0.85rem; color: #9FB0C4; margin-bottom: 10px; }
.breadcrumb a { color: #C7D3E0; }
.prose { max-width: 760px; }
.prose p { color: var(--color-ink); }

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */
@media (max-width: 980px) {
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .hub-row { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .steps-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-steel-light);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
  }
  .main-nav.is-open { display: flex; }
  .main-nav > ul { flex-direction: column; gap: 0; }
  .main-nav > ul > li { padding: 12px 0; border-bottom: 1px solid var(--color-steel-light); }
  .has-dropdown .dropdown { position: static; box-shadow: none; border: none; display: none; padding-left: 12px; }
  .has-dropdown.is-open .dropdown { display: block; }
  .nav-cta { margin-top: 16px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .hero-slide { min-height: 480px; }
}