:root {
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-muted: #5c5c5c;
  --color-border: #e5e5e5;
  --color-accent: #2c4a7c;
  --color-accent-hover: #243d66;
  --color-logo: #1e3254;
  --color-accent-light: #f0f4f9;
  --color-accent-muted: #d4dce8;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --container: 1200px;
  --header-h: 72px;
  --color-dark-bg: #0f1a2e;
  --color-dark-card: #1a2740;
  --color-dark-border: #2a3d5c;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

.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;
}

.container {
  width: min(100% - 1.25rem, var(--container));
  margin-inline: auto;
}

.container-narrow {
  width: min(100% - 1.25rem, 720px);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  isolation: isolate;
}

.header-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.75rem 1rem;
  min-height: var(--header-h);
  width: min(100% - 1.25rem, var(--container));
  margin-inline: auto;
  padding-block: 0.65rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 1;
  min-width: 0;
  max-width: 160px;
}

.logo-image {
  display: block;
  width: auto;
  max-width: 100%;
  height: clamp(32px, 8vw, 44px);
  object-fit: contain;
  object-position: left center;
}

.logo-text {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-logo);
  line-height: 1;
}

.logo-line {
  display: block;
  width: 100%;
  height: 2px;
  margin-top: 4px;
  background: var(--color-logo);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color 0.2s ease;
}

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

.cart-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0.35rem;
}

.cart-label {
  display: none;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cart-icon-wrap {
  position: relative;
  color: var(--color-accent);
}

.cart-badge {
  position: absolute;
  right: -4px;
  bottom: -2px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
  color: #fff;
  background: var(--color-accent);
}

.nav-mobile {
  display: block;
}

.nav-mobile-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  padding: 0.35rem 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.nav-mobile-toggle::-webkit-details-marker {
  display: none;
}

.nav-mobile-toggle-text {
  display: none;
}

.nav-mobile-bars {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 20px;
}

.nav-mobile-bars span {
  display: block;
  height: 2px;
  background: var(--color-text);
  transition: background 0.2s ease;
}

.nav-mobile[open] .nav-mobile-toggle {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.nav-mobile[open] .nav-mobile-bars span {
  background: var(--color-accent);
}

.nav-mobile-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0;
  padding: 0.5rem 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.nav-mobile-panel a {
  display: block;
  padding: 0.9rem 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-mobile-panel a:last-child {
  border-bottom: none;
}

.nav-mobile-panel a:hover,
.nav-mobile-panel a:focus-visible {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.nav-mobile-cart {
  color: var(--color-accent);
  font-weight: 700;
}

/* Messages */
.messages {
  width: min(100% - 2rem, var(--container));
  margin: 1rem auto 0;
}

.message {
  margin: 0 0 0.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.message-success {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.message-error {
  border-color: #c0392b;
  background: #fdf2f2;
}

.message-warning {
  border-color: #d4a017;
  background: #fffbf0;
}

/* Hero */
.hero {
  position: relative;
  min-height: clamp(360px, 58vh, 520px);
  background-color: #0a1628;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
}

.hero--image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(10, 22, 40, 0.72) 0%,
    rgba(10, 22, 40, 0.35) 55%,
    rgba(10, 22, 40, 0.2) 100%
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100% - 1.25rem, var(--container));
  margin-inline: auto;
  padding-block: clamp(2rem, 6vw, 3rem);
}

.hero-card {
  width: min(100%, 400px);
  padding: clamp(1.25rem, 3vw, 1.5rem);
  background: var(--color-bg);
}

.hero-eyebrow {
  margin: 0 0 1rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-message {
  margin-bottom: 1.25rem;
  padding-left: 0.85rem;
  border-left: 3px solid var(--color-accent);
}

.hero-headline {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3.2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-logo);
}

.hero-subline {
  margin: 0;
  font-size: clamp(0.8rem, 2.2vw, 0.9rem);
  line-height: 1.55;
  color: var(--color-muted);
}

/* Payment options */
.payment-section {
  background: var(--color-dark-bg);
  color: #fff;
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.payment-section-inner {
  text-align: center;
}

.payment-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
}

.payment-lead {
  margin: 0 auto 2.5rem;
  max-width: 640px;
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
}

.payment-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 960px;
  margin-inline: auto;
}

.payment-grid--two {
  max-width: 640px;
}

@media (min-width: 540px) {
  .payment-grid--two {
    grid-template-columns: repeat(2, 1fr);
  }
}

.payment-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.75rem 1.25rem;
  background: var(--color-dark-card);
  border: 1px solid var(--color-dark-border);
  border-radius: 10px;
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.payment-card:hover {
  border-color: var(--color-accent-muted);
  transform: translateY(-2px);
}

.payment-icon {
  display: block;
  margin-bottom: 1rem;
}

.payment-icon svg {
  display: block;
}

.payment-card-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
}

.payment-card-desc {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

/* Trust bar */
.trust-bar {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.trust-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  width: min(100% - 1.25rem, var(--container));
  margin-inline: auto;
  padding: clamp(1.75rem, 5vw, 2.5rem) 0;
}

.trust-item {
  text-align: center;
}

.trust-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  color: var(--color-text);
}

.trust-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.trust-text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* Sections */
.section {
  padding: clamp(2rem, 6vw, 3rem) 0;
}

.page-header {
  padding: 2.5rem 0 0;
}

.page-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-subtitle {
  margin: 0;
  color: var(--color-muted);
}

.section-title {
  margin: 0 0 2rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
}

.section-cta {
  margin-top: 2rem;
  text-align: center;
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.product-card {
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease;
}

.product-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.product-card-image-link {
  display: block;
  aspect-ratio: 1;
  background: #f7f7f7;
  overflow: hidden;
}

.product-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.5rem;
}

.product-card-category {
  margin: 0 0 0.35rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.product-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.product-card-desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
  flex: 1;
}

.product-card-price {
  margin: 0;
  font-weight: 700;
  font-size: 1.1rem;
}

.product-card-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.75rem;
  width: 100%;
}

.product-card-form {
  margin: 0;
  padding: 0;
  width: 100%;
}

.product-card-buttons .btn-card {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  box-sizing: border-box;
  font-size: 0.85rem;
  line-height: 1.2;
  border-width: 2px;
  border-style: solid;
}

.product-card-buttons .btn-outline.btn-card {
  color: var(--color-accent);
  background: #fff;
  border-color: var(--color-accent);
}

.product-card-buttons .btn-primary.btn-card {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.product-card-buttons .btn-primary.btn-card:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.product-card-buttons .btn-disabled {
  color: var(--color-muted);
  background: #f0f0f0;
  border-color: var(--color-border);
  cursor: not-allowed;
  pointer-events: none;
}

/* Product page */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-sep {
  opacity: 0.4;
}

.product-page-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 3rem;
}

.product-gallery-main {
  position: relative;
  aspect-ratio: 1;
  background: linear-gradient(145deg, #f8fafc 0%, #eff6ff 100%);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.product-gallery-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 2rem;
}

.product-image-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.35rem 0.65rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--color-border);
}

.product-gallery-hint {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.product-gallery-hint code {
  font-size: 0.7rem;
  word-break: break-all;
}

.product-sku {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.product-category {
  margin: 0 0 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.product-page-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.1;
}

.product-page-price {
  margin: 0 0 1rem;
  font-size: 1.75rem;
  font-weight: 700;
}

.stock-badge {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stock-badge--in {
  color: var(--color-accent);
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent);
}

.stock-badge--out {
  color: #c0392b;
  background: #fdf2f2;
  border: 1px solid #c0392b;
}

.product-page-lead {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.product-purchase-box {
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
  background: #fafafa;
}

.product-purchase-panel .add-to-cart-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 0;
}

.form-group--inline .qty-input {
  width: 5rem;
}

.product-trust-mini {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.product-trust-mini li {
  padding: 0.35rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.product-trust-mini li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.product-content-blocks {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

.product-block {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
}

.product-block--note {
  background: #fafafa;
  border-color: var(--color-border);
}

.product-block-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-block-body {
  margin: 0;
  color: var(--color-text);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table th,
.specs-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.specs-table th {
  width: 40%;
  font-weight: 600;
  color: var(--color-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
  border-bottom: none;
}

.product-back-link {
  margin: 0;
}

/* Home sections */
.home-section {
  padding: 4rem 0;
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.home-about,
.home-contact {
  background: #fafafa;
}

.home-section-eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.home-section-title {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.home-about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}

.home-about-stat {
  padding: 0.85rem 0.75rem;
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
}

.home-about-stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.home-about-stat-label {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.home-about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

.home-about-media-wrap {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 48px rgba(15, 26, 46, 0.08);
}

.home-about-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  padding: 0.4rem 0.75rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
}

.home-about-figure {
  margin: 0;
  position: relative;
}

.home-about-image {
  display: block;
  width: 100%;
  height: auto;
  min-height: clamp(220px, 42vw, 380px);
  object-fit: cover;
  object-position: center;
}

.home-about-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  margin: 0;
  padding: 2.5rem 1.25rem 1.1rem;
  font-size: 0.85rem;
  line-height: 1.45;
  color: #fff;
  background: linear-gradient(180deg, transparent 0%, rgba(15, 26, 46, 0.82) 72%);
}

.home-about-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.25rem 0;
}

.home-about-disclaimer {
  margin: 1.25rem 0 0;
  padding: 1rem 1.15rem;
  font-size: 0.95rem;
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
}

.home-about-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--color-muted);
}

.home-about-list li {
  position: relative;
  margin-bottom: 0.65rem;
  padding-left: 1.6rem;
  font-size: 0.95rem;
}

.home-about-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--color-accent);
  transform: rotate(45deg);
}

.faq-list {
  max-width: 720px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-bottom: none;
  background: var(--color-bg);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  padding: 1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-item[open] .faq-question {
  color: var(--color-accent);
}

.faq-answer {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.telegram-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 640px;
  padding: 2rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.telegram-card--page {
  margin-top: 1.5rem;
}

.telegram-card-icon {
  color: #229ed9;
}

.telegram-card-lead {
  margin: 0 0 1rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.telegram-card-handle {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-logo);
}

.telegram-card-note {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.section-featured {
  border-bottom: 1px solid var(--color-border);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  color: #fff;
  background: var(--color-accent);
}

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

.btn-outline {
  color: var(--color-accent);
  background: transparent;
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  color: #fff;
  background: var(--color-accent);
}

.btn-text {
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  color: var(--color-muted);
  background: none;
  border: none;
  text-decoration: underline;
  cursor: pointer;
}

.btn-text:hover {
  color: var(--color-accent);
}

.btn-sm {
  padding: 0.625rem 1rem;
  font-size: 0.85rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Forms */
.form-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.qty-input {
  width: 100%;
  max-width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.form-input:focus,
.qty-input:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 0;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group {
  margin-bottom: 1.25rem;
}

.field-error {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: #c0392b;
}

.qty-input {
  width: 4rem;
}

/* Cart */
.cart-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.cart-table th,
.cart-table td {
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.cart-table th {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cart-product-name {
  font-weight: 600;
}

.cart-product-name:hover {
  color: var(--color-accent);
}

.cart-actions {
  margin-bottom: 2rem;
}

.cart-summary {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  background: #fafafa;
}

.cart-total-label {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

.inline-form {
  display: inline;
}

/* Checkout */
.checkout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.checkout-summary {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  background: #fafafa;
}

.summary-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.summary-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.summary-total {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.summary-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.order-confirmation-box {
  margin: 1.5rem 0;
  padding: 1.5rem;
  border: 1px solid var(--color-accent);
  background: var(--color-accent-light);
}

.order-payment-box {
  margin: 1.5rem 0;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  background: #fafafa;
}

.order-payment-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.order-payment-details {
  margin: 1rem 0;
  padding: 1rem;
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  background: #fff;
  border: 1px solid var(--color-border);
}

.order-payment-steps {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.order-payment-note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
}

.success-lead {
  font-size: 1.125rem;
}

.success-note {
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.empty-state {
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.out-of-stock {
  color: #c0392b;
  font-weight: 600;
}

.text-link {
  text-decoration: underline;
  color: var(--color-accent);
}

.text-link:hover {
  color: var(--color-accent-hover);
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 2rem;
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
}

.footer-inner {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
  text-align: center;
}

.footer-brand {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-logo);
}

.footer-logo-link {
  display: inline-block;
  margin-bottom: 0.75rem;
}

.footer-logo {
  display: block;
  width: auto;
  max-width: 140px;
  height: auto;
  max-height: 40px;
  margin-inline: auto;
  object-fit: contain;
}

.footer-note {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-nav a {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-nav a:hover {
  color: var(--color-accent);
}

/* Mobile-first polish */
@media (max-width: 639px) {
  .nav-desktop {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .logo {
    max-width: 130px;
  }

  .cart-label {
    display: none;
  }

  .product-purchase-box .btn-block {
    min-height: 48px;
  }

  .btn {
    min-height: 44px;
    padding: 0.75rem 1.25rem;
  }

  .cart-table thead {
    display: none;
  }

  .cart-table,
  .cart-table tbody,
  .cart-table tr,
  .cart-table td {
    display: block;
    width: 100%;
  }

  .cart-table tr {
    margin-bottom: 1rem;
    padding: 1rem;
    border: 1px solid var(--color-border);
    background: #fafafa;
  }

  .cart-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0;
    border-bottom: none;
    text-align: right;
  }

  .cart-table td::before {
    content: attr(data-label);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-muted);
    text-align: left;
    flex-shrink: 0;
  }

  .cart-table td:first-child {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 0.75rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
  }

  .cart-table td:first-child::before {
    display: none;
  }

  .cart-product-name {
    font-size: 1rem;
  }

  .cart-actions .btn {
    width: 100%;
  }

  .cart-summary .btn {
    width: 100%;
  }

  .checkout-grid {
    gap: 1.5rem;
  }

  .home-section {
    padding: clamp(2.5rem, 8vw, 4rem) 0;
  }

  .telegram-card {
    padding: 1.25rem;
  }

  .telegram-card .btn {
    width: 100%;
  }

  .product-gallery-hint {
    font-size: 0.7rem;
  }

  .breadcrumb {
    font-size: 0.7rem;
    margin-bottom: 1.25rem;
  }

  .page-title {
    font-size: clamp(1.35rem, 6vw, 1.75rem);
  }

  .messages {
    width: min(100% - 1.25rem, var(--container));
  }
}

@media (min-width: 480px) and (max-width: 899px) {
  .nav-mobile-toggle-text {
    display: inline;
  }

  .logo {
    max-width: 180px;
  }
}

/* Responsive */
@media (min-width: 640px) {
  .trust-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .payment-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

@media (min-width: 900px) {
  .header-inner {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 1.5rem;
    width: min(100% - 2rem, var(--container));
    padding-block: 0.75rem;
  }

  .logo {
    max-width: 200px;
  }

  .nav-desktop {
    display: flex;
    flex: 1;
    justify-content: center;
    gap: 1.25rem;
  }

  .nav-mobile {
    display: none;
  }

  .header-actions {
    gap: 1rem;
  }

  .cart-label {
    display: inline;
  }

  .nav-mobile-panel {
    display: none;
  }

  .trust-inner {
    grid-template-columns: repeat(4, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-page-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .home-about-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3rem;
  }

  .home-about-stats {
    gap: 1rem;
    margin-bottom: 2.5rem;
  }

  .home-about-stat {
    padding: 1rem 1.25rem;
  }

  .home-about-image {
    min-height: 380px;
  }

  .telegram-card {
    grid-template-columns: auto 1fr;
    align-items: start;
    max-width: 720px;
  }

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

@media (min-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}