:root {
  --bg: #0b1220;
  --bg-soft: #111a2d;
  --text: #e6ebf7;
  --muted: #a8b3cc;
  --primary: #4f9cff;
  --primary-2: #76b3ff;
  --card: #131f36;
  --line: #223150;
  --success: #32d583;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #1b2b4e 0%, var(--bg) 45%);
  line-height: 1.6;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -48px;
  background: #ffffff;
  color: #0b1220;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-weight: 600;
  z-index: 100;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0.75rem;
}

.container {
  width: min(var(--max-width), calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #08101f;
  font-size: 0.9rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  transition: 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: #1b2a47;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #facc15;
  outline-offset: 2px;
}

.cta-btn,
.btn-primary,
.btn-secondary,
.shop-btn {
  border: none;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.cta-btn,
.btn-primary,
.shop-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #061022;
  padding: 0.65rem 1rem;
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  padding: 0.6rem 1rem;
  background: transparent;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.45rem;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
}

.hero {
  padding: 4.8rem 0 3rem;
}

.page-hero {
  padding-bottom: 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.4rem;
  align-items: center;
}

h1,
h2,
h3 {
  margin: 0 0 0.6rem;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  max-width: 14ch;
}

.hero-copy {
  color: var(--muted);
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.hero-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem;
  background: linear-gradient(180deg, #14213a, #101a2d);
}

.hero-card ul {
  margin: 0;
  padding-left: 1rem;
}

.section {
  padding: 3.6rem 0;
}

.section.alt {
  background: color-mix(in oklab, var(--bg-soft) 75%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  margin-bottom: 1.4rem;
}

.eyebrow {
  margin: 0 0 0.3rem;
  color: var(--success);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.1rem;
  background: var(--card);
}

.card p {
  color: var(--muted);
}

.card a {
  color: var(--primary-2);
  text-decoration: none;
  font-weight: 600;
}

.service-list {
  display: grid;
  gap: 1rem;
}

.service-list ul {
  margin: 0;
  padding-left: 1rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #0a111f;
  padding: 1.6rem 0;
}

.site-footer a {
  color: #b8d4ff;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .card-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    background: #0d1628;
    border-bottom: 1px solid var(--line);
    padding: 0.7rem 1rem 1rem;
  }

  .main-nav.open {
    display: flex;
  }

  .cta-btn {
    display: none;
  }
}

.narrow {
  max-width: 820px;
}

.split-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.text-link {
  color: var(--primary-2);
  font-weight: 700;
  text-decoration: none;
}

.category-card,
.product {
  min-height: 100%;
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 0.9rem;
  border-radius: 14px;
  background: #1b2a47;
  font-size: 1.35rem;
}

.badge {
  display: inline-flex;
  width: fit-content;
  margin: 0 0 0.75rem;
  padding: 0.25rem 0.55rem;
  border: 1px solid color-mix(in oklab, var(--success) 50%, var(--line));
  border-radius: 999px;
  color: var(--success) !important;
  font-size: 0.78rem;
  font-weight: 700;
}

.product strong {
  display: block;
  margin: 0.8rem 0 1rem;
  font-size: 1.1rem;
}

.product-grid .shop-btn {
  width: 100%;
  margin-top: auto;
}

.process-grid,
.contact-grid,
.catalog-layout {
  display: grid;
  gap: 1.4rem;
}

.process-grid {
  grid-template-columns: 0.8fr 1.2fr;
  align-items: start;
}

.steps {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  gap: 0.2rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}

.steps span {
  color: var(--muted);
}

.catalog-layout {
  grid-template-columns: 240px 1fr;
  align-items: start;
}

.filter-card {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}

.filter-card a,
.contact-card a {
  color: var(--primary-2);
  text-decoration: none;
  font-weight: 600;
}

.shop-section + .shop-section {
  margin-top: 2.4rem;
}

.contact-grid {
  grid-template-columns: 1fr 0.8fr;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 0.75rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
}

.contact-form label {
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  color: var(--text);
  background: #0d1628;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

@media (max-width: 900px) {
  .split-head,
  .footer-wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .process-grid,
  .contact-grid,
  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .filter-card {
    position: static;
  }
}

/* Professional header and storefront additions */
.top-bar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: #070d18;
  color: var(--muted);
  font-size: 0.85rem;
}

.top-bar-wrap,
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.top-bar a,
.header-link {
  color: #cfe2ff;
  text-decoration: none;
  font-weight: 700;
}

.brand-copy {
  display: grid;
  line-height: 1.1;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.mega-menu {
  position: absolute;
  top: calc(100% + 0.8rem);
  left: 50%;
  width: min(620px, calc(100vw - 2rem));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(13, 22, 40, 0.98);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: 0.2s ease;
}

.nav-dropdown:hover .mega-menu,
.nav-dropdown:focus-within .mega-menu,
.nav-dropdown.open .mega-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.mega-menu a {
  display: grid;
  gap: 0.25rem;
  min-height: 112px;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  text-decoration: none;
  background: linear-gradient(180deg, #14213a, #0f192b);
}

.mega-menu span {
  color: var(--muted);
  font-size: 0.9rem;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #101a2d;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
}

.product-image {
  min-height: 178px;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: var(--product-bg, linear-gradient(135deg, #1f3b68, #14213a));
}

.product-image img {
  width: min(150px, 80%);
  aspect-ratio: 1;
  object-fit: contain;
  filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.35));
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1rem;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.product-price {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 1.18rem;
  font-weight: 900;
}

.filter-card .filter-btn {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  color: var(--text);
  background: #0d1628;
  font: inherit;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.filter-card .filter-btn:hover,
.filter-card .filter-btn.active {
  border-color: color-mix(in oklab, var(--primary) 70%, var(--line));
  background: #1b2a47;
}

.filter-help {
  margin-top: 0.5rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}

.product-count {
  color: var(--muted);
  font-weight: 800;
}

.site-footer {
  padding: 0;
  background: linear-gradient(180deg, #0a111f, #060a12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2rem;
  padding: 3rem 0;
}

.footer-brand p,
.site-footer p {
  color: var(--muted);
}

.footer-links {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 1rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-bottom a {
  text-decoration: none;
  font-weight: 800;
}

@media (max-width: 1040px) {
  .shop-grid,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .top-bar {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .nav-dropdown,
  .dropdown-toggle {
    width: 100%;
  }

  .mega-menu {
    position: static;
    width: 100%;
    grid-template-columns: 1fr;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
  }
}

@media (max-width: 640px) {
  .shop-grid,
  .footer-grid,
  .top-bar-wrap,
  .footer-bottom {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    flex-direction: column;
  }
}

/* Trust, inquiry, and support content */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.trust-card strong {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 0.8rem;
  border-radius: 999px;
  color: #061022;
  background: var(--success);
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
  padding: 1.4rem;
  border: 1px solid color-mix(in oklab, var(--primary) 45%, var(--line));
  border-radius: 22px;
  background: linear-gradient(135deg, #14213a, #0d1628);
}

.cta-panel p {
  color: var(--muted);
  margin-bottom: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.form-grid label {
  display: grid;
  gap: 0.35rem;
}

.optional {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  background: var(--card);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.shop-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

@media (max-width: 900px) {
  .trust-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* Catalog search, product detail metadata, and selected inquiry states */
.catalog-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem 0.9rem;
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in oklab, var(--card) 82%, transparent);
}

.catalog-tools label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.catalog-tools input,
.catalog-tools select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  color: var(--text);
  background: #0d1628;
  font: inherit;
}

.product-details {
  display: grid;
  gap: 0.45rem;
  margin: 1rem 0 0;
}

.product-details div {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 0.35rem;
}

.product-details dt {
  color: var(--muted);
  font-weight: 700;
}

.product-details dd {
  margin: 0;
  text-align: right;
  font-weight: 800;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 2rem;
  border: 1px dashed var(--line);
  border-radius: 18px;
  text-align: center;
  background: rgba(19, 31, 54, 0.55);
}

.form-note,
.selected-product {
  margin: 0;
  padding: 0.85rem 1rem;
  border-radius: 14px;
}

.form-note {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
}

.selected-product {
  border: 1px solid color-mix(in oklab, var(--success) 45%, var(--line));
  color: var(--success);
  font-weight: 800;
  background: rgba(50, 213, 131, 0.08);
}

@media (max-width: 640px) {
  .catalog-tools {
    grid-template-columns: 1fr;
  }
}