/* ==========================================================================
   VAHALIKRA LTD — Clean White Design with Dark Navy Accents
   Official Stylesheet (styles.css)
   ========================================================================== */

:root {
  --color-primary: #0f172a;       /* Dark Navy */
  --color-primary-hover: #1e293b;
  --color-primary-light: #334155;
  --color-accent: #0284c7;        /* Subtle crisp blue for interactive focus/highlights */
  --color-accent-soft: #f0f9ff;
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-hover: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-subtle: #cbd5e1;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-subtle: #64748b;
  --color-danger: #dc2626;
  --color-success: #15803d;
  --color-success-bg: #f0fdf4;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --max-w-content: 1140px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-w-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.top-bar {
  background-color: var(--color-primary);
  color: #e2e8f0;
  font-size: 0.8125rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.top-bar-link {
  color: #f1f5f9;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.top-bar-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo-mark {
  width: 2.25rem;
  height: 2.25rem;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  line-height: 1.15;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.02em;
}

.main-nav {
  display: none;
}

@media (min-width: 860px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
  }
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
}

.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-primary);
}

@media (min-width: 860px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Mobile Nav Drawer */
.mobile-nav-menu {
  display: none;
  background-color: #ffffff;
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem 1.75rem;
}

.mobile-nav-menu.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-nav-link {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.625rem 0.5rem;
  border-radius: var(--radius-sm);
}

.mobile-nav-link.active {
  background-color: var(--color-surface);
  color: var(--color-primary);
  font-weight: 600;
}

/* ==========================================================================
   Buttons & Links
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover {
  background-color: var(--color-surface);
}

/* ==========================================================================
   Page Headers & Hero Sections
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-hero {
  padding: 3.5rem 0 2.5rem;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.kicker {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-bottom: 0.75rem;
  display: block;
}

.hero-title {
  font-size: 2.25rem;
  line-height: 1.2;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  max-width: 820px;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 2.875rem;
  }
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 720px;
  margin-bottom: 2rem;
}

.hero-meta-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-subtle);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   Sections & Layout
   ========================================================================== */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.section-description {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 680px;
}

/* Category Grid */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.category-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-subtle);
}

.category-icon-wrap {
  width: 3.25rem;
  height: 3.25rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.category-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.category-description {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex: 1 0 auto;
}

.category-items-list {
  list-style: none;
  font-size: 0.875rem;
  color: var(--color-text-subtle);
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.category-items-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.category-items-list li::before {
  content: "—";
  color: var(--color-accent);
}

/* Target Markets Banner */
.markets-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .markets-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.market-item {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.market-flag-code {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-subtle);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.market-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.market-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Company Facts / Spec Box
   ========================================================================== */
.company-details-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.company-details-header {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 1.25rem 1.75rem;
}

.company-details-header h3 {
  font-size: 1.125rem;
  font-weight: 700;
}

.company-details-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.company-details-table tr {
  border-bottom: 1px solid var(--color-border);
}

.company-details-table tr:last-child {
  border-bottom: none;
}

.company-details-table th {
  text-align: left;
  padding: 1rem 1.75rem;
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  font-weight: 600;
  width: 35%;
}

.company-details-table td {
  padding: 1rem 1.75rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* ==========================================================================
   Forms & Validation
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: 1.4fr 1fr;
  }
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  font-family: inherit;
  font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  background-color: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

.form-input.is-invalid, .form-textarea.is-invalid {
  border-color: var(--color-danger);
}

.form-error {
  display: none;
  font-size: 0.8125rem;
  color: var(--color-danger);
  margin-top: 0.35rem;
}

.form-error.visible {
  display: block;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.form-check input[type="checkbox"] {
  margin-top: 0.25rem;
  accent-color: var(--color-primary);
}

.form-check-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.form-feedback {
  display: none;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

.form-feedback.success {
  display: block;
  background-color: var(--color-success-bg);
  border: 1px solid #bbf7d0;
  color: var(--color-success);
}

/* ==========================================================================
   Article & Legal Content
   ========================================================================== */
.legal-content {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  padding: 3rem 0;
}

.legal-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
}

.legal-content p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  font-size: 1rem;
  line-height: 1.7;
}

.legal-content ul {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--color-text-muted);
}

.legal-content li {
  margin-bottom: 0.5rem;
}

.legal-meta {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
  color: var(--color-text-subtle);
  font-size: 0.875rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary);
  color: #94a3b8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4rem 0 2rem;
  font-size: 0.9375rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  }
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #94a3b8;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
}

.footer-bottom a {
  color: #94a3b8;
}
.footer-bottom a:hover {
  color: #ffffff;
}

/* ==========================================================================
   Product Showcase Grid & Cards
   ========================================================================== */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card-item {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.product-card-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-subtle);
}

.product-card-visual {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 140px;
}

.product-card-sku {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-family: monospace;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-subtle);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
}

.product-card-markets {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-subtle);
}

.product-card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-top: 0.5rem;
}

.product-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1 0 auto;
}

.product-card-category {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  margin-bottom: 0.25rem;
}

.product-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.product-card-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1 0 auto;
}

.product-card-specs {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  margin-bottom: 1.25rem;
}

.product-card-specs div {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.product-card-specs div:last-child {
  margin-bottom: 0;
}

.product-card-specs strong {
  color: var(--color-primary);
  font-weight: 600;
}