:root {
  --rins-bg: #050607;
  --rins-bg-alt: #0b0d10;
  --rins-surface: #111317;
  --rins-surface-2: #171b21;
  --rins-border: rgba(255, 255, 255, 0.08);
  --rins-border-strong: rgba(255, 255, 255, 0.16);
  --rins-text: #e5edf6;
  --rins-muted: #94a3b8;
  --rins-accent: #d97706;
  --rins-accent-2: #f59e0b;
  --rins-accent-soft: rgba(217, 119, 6, 0.14);
  --rins-success: #10b981;
  --rins-danger: #ef4444;
  --rins-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --rins-radius: 1rem;
  --rins-radius-sm: 0.75rem;
  --rins-transition: 180ms ease;
}

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(circle at top, rgba(247, 148, 29, 0.08), transparent 28%),
    linear-gradient(180deg, #0a0b0d 0%, var(--rins-bg) 40%, #030303 100%);
  color: var(--rins-text);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  transition: color var(--rins-transition), opacity var(--rins-transition), transform var(--rins-transition);
}

a:hover {
  color: var(--rins-accent-2);
}

::selection {
  background: rgba(217, 119, 6, 0.35);
  color: #fff;
}

.text-muted,
.text-body-secondary,
.text-secondary {
  color: var(--rins-muted) !important;
}

.bg-dark,
.bg-black,
.navbar,
.dropdown-menu,
.modal-content,
.card,
.offcanvas,
.list-group-item,
.table,
.accordion-item {
  background-color: var(--rins-surface) !important;
  color: var(--rins-text);
}

.border,
.border-top,
.border-end,
.border-bottom,
.border-start,
.card,
.modal-content,
.dropdown-menu,
.accordion-item,
.table,
.list-group-item {
  border-color: var(--rins-border) !important;
}

.navbar {
  backdrop-filter: blur(14px);
  background: rgba(5, 6, 7, 0.92) !important;
  border-bottom: 1px solid var(--rins-border);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18);
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.site-logo,
.footer-logo {
  display: block;
  background: #050607;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  object-fit: contain;
}

.site-logo {
  width: 142px;
  height: 52px;
  padding: 0.3rem 0.55rem;
  border-radius: 0.8rem;
}

.footer-logo {
  width: 180px;
  height: 72px;
  padding: 0.45rem 0.75rem;
  border-radius: 1rem;
}

.navbar .nav-link {
  color: rgba(229, 237, 246, 0.86);
  font-weight: 600;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-link.active {
  color: #fff;
}

.dropdown-menu {
  border-radius: var(--rins-radius-sm);
  box-shadow: var(--rins-shadow);
}

.dropdown-item {
  color: var(--rins-text);
}

.dropdown-item:hover,
.dropdown-item:focus,
.dropdown-item.active {
  background: var(--rins-accent-soft);
  color: #fff;
}

.btn {
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform var(--rins-transition), box-shadow var(--rins-transition), background-color var(--rins-transition), border-color var(--rins-transition), color var(--rins-transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible,
.nav-link:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.btn-check:focus + .btn {
  box-shadow: 0 0 0 0.2rem rgba(217, 119, 6, 0.22);
}

.btn-primary,
.btn-warning {
  background: linear-gradient(135deg, var(--rins-accent) 0%, var(--rins-accent-2) 100%);
  border-color: transparent;
  color: #111;
}

.btn-primary:hover,
.btn-warning:hover {
  background: linear-gradient(135deg, #ea8600 0%, #fbbf24 100%);
  color: #111;
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--rins-text);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.34);
  color: #fff;
}

.btn-outline-warning,
.filter-btn {
  border-color: rgba(245, 158, 11, 0.28);
  color: #fbbf24;
}

.btn-outline-warning:hover,
.filter-btn:hover,
.filter-btn.active {
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.5);
  color: #fff;
}

.btn-close {
  filter: invert(1) grayscale(100%);
  opacity: 0.9;
}

.form-control,
.form-select {
  background-color: var(--rins-bg-alt);
  border-color: var(--rins-border);
  color: var(--rins-text);
  border-radius: 0.9rem;
}

.form-control::placeholder {
  color: rgba(148, 163, 184, 0.75);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--rins-surface);
  border-color: rgba(245, 158, 11, 0.6);
  color: var(--rins-text);
}

.card {
  border-radius: var(--rins-radius);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22);
}

.card-header,
.card-footer {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--rins-border) !important;
}

.card-hover {
  transition: transform var(--rins-transition), box-shadow var(--rins-transition), border-color var(--rins-transition);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--rins-shadow);
  border-color: rgba(245, 158, 11, 0.25) !important;
}

.hero-panel,
.industrial-panel,
.catalogue-shell {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.09), transparent 32%),
    var(--rins-surface);
  border: 1px solid var(--rins-border);
  border-radius: calc(var(--rins-radius) + 0.25rem);
  box-shadow: var(--rins-shadow);
}

.section-kicker {
  color: #fbbf24;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 800;
}

.display-hero {
  letter-spacing: -0.04em;
  line-height: 0.96;
}

.metal-line {
  width: 4.5rem;
  height: 0.25rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--rins-accent), rgba(245, 158, 11, 0.25));
}

.badge {
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.badge-soft {
  background: rgba(245, 158, 11, 0.14);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.22);
}

.info-line {
  padding: 1rem 1.1rem;
  border-radius: var(--rins-radius-sm);
  border: 1px solid var(--rins-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--rins-muted);
}

.info-line strong {
  color: #fff;
}

.catalogue-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

[data-filter-group] {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.catalogue-item {
  transition: opacity var(--rins-transition), transform var(--rins-transition), max-height var(--rins-transition);
}

.catalogue-item.is-hidden {
  opacity: 0;
  transform: scale(0.98);
  pointer-events: none;
}

.catalogue-empty {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
  color: var(--rins-muted);
}

.catalogue-empty.is-visible {
  display: block;
}

.product-card {
  overflow: hidden;
  position: relative;
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.22) 100%);
  opacity: 0;
  transition: opacity var(--rins-transition);
  pointer-events: none;
}

.product-card:hover::before {
  opacity: 1;
}

.product-media {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border-bottom: 1px solid var(--rins-border);
}

.product-media img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.product-price {
  color: #fbbf24;
  font-weight: 800;
}

.product-meta {
  color: var(--rins-muted);
  font-size: 0.92rem;
}

.modal-content {
  border-radius: calc(var(--rins-radius) + 0.25rem);
  box-shadow: var(--rins-shadow);
}

.modal-header,
.modal-footer {
  border-color: var(--rins-border) !important;
}

.modal-backdrop.show {
  opacity: 0.78;
}

.modal-product-figure {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--rins-border);
  border-radius: var(--rins-radius-sm);
  overflow: hidden;
}

.modal-product-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-spec-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--rins-border);
}

.product-spec-list li:last-child {
  border-bottom: 0;
}

.product-spec-list .spec-label {
  color: var(--rins-muted);
}

.product-spec-list .spec-value {
  font-weight: 700;
}

.product-links a {
  text-decoration: none;
}

.table {
  color: var(--rins-text);
}

.table thead th {
  color: #fff;
  border-color: var(--rins-border) !important;
  background: rgba(255, 255, 255, 0.03);
}

.table td,
.table th {
  border-color: var(--rins-border) !important;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: rgba(255, 255, 255, 0.025);
  color: var(--rins-text);
}

.accordion-button {
  background: var(--rins-surface);
  color: var(--rins-text);
}

.accordion-button:not(.collapsed) {
  background: var(--rins-surface-2);
  color: #fff;
  box-shadow: none;
}

.accordion-button::after {
  filter: invert(1) grayscale(100%);
}

.shadow-soft {
  box-shadow: var(--rins-shadow) !important;
}

.ratio-industrial {
  background: #090c10;
}

.sticky-top {
  z-index: 1030;
}

.site-underline {
  position: relative;
}

.site-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--rins-accent), transparent);
}

.reveal-on-load {
  animation: rinsFadeUp 520ms ease both;
}

@keyframes rinsFadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    padding: 1rem 0 0.5rem;
  }

  .navbar .nav-link {
    padding: 0.9rem 0.15rem;
  }

  .catalogue-toolbar {
    align-items: stretch;
  }

  [data-filter-group] {
    width: 100%;
  }

  .filter-btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (max-width: 575.98px) {
  .display-hero {
    line-height: 1.02;
  }

  .hero-panel,
  .industrial-panel,
  .catalogue-shell,
  .card,
  .modal-content {
    border-radius: 0.9rem;
  }

  .btn {
    width: 100%;
  }

  .btn-group .btn,
  .catalogue-toolbar .btn {
    width: auto;
  }
}