:root {
  --bg-base: #05070b;
  --bg-deep: #020408;
  --bg-navy: #071221;
  --surface-1: rgba(9, 15, 25, 0.94);
  --surface-2: rgba(13, 23, 38, 0.88);
  --surface-3: rgba(16, 30, 49, 0.72);

  --gold-1: #8f5b00;
  --gold-2: #d99200;
  --gold-3: #ffb800;
  --gold-4: #ffd75e;
  --gold-5: #fff0ad;

  --blue-1: #006cae;
  --blue-2: #009cff;
  --blue-3: #2ac7ff;
  --blue-4: #86e7ff;

  --text-main: #f8fafc;
  --text-soft: #b8c4d6;
  --text-muted: #7f8ba0;
  --border-soft: rgba(255, 190, 36, 0.24);
  --border-blue: rgba(42, 199, 255, 0.3);

  --shadow-gold: 0 0 24px rgba(255, 184, 0, 0.22);
  --shadow-blue: 0 0 22px rgba(0, 156, 255, 0.18);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --content-width: 1200px;

  --text: var(--text-main);
  --muted: var(--text-muted);
  --line: var(--border-soft);
  --surface: var(--surface-1);
  --surface-soft: var(--surface-2);
  --surface-blue: rgba(0, 156, 255, 0.12);
  --accent: var(--gold-3);
  --accent-strong: var(--gold-4);
  --ink: var(--text-main);
  --danger: #ff5c74;
  --shadow: 0 18px 52px rgba(0, 0, 0, 0.46);
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  background: var(--bg-deep);
}

body {
  position: relative;
  overflow-x: hidden;
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 14% 12%, rgba(255, 184, 0, 0.14), transparent 34rem),
    radial-gradient(circle at 88% 8%, rgba(0, 156, 255, 0.18), transparent 30rem),
    radial-gradient(circle at 50% 95%, rgba(143, 91, 0, 0.16), transparent 34rem),
    linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-base) 44%, var(--bg-navy) 100%);
  color: var(--text-main);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.58;
}

body::before,
body::after {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  content: "";
}

body::before {
  opacity: 0.34;
  background:
    linear-gradient(rgba(42, 199, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 184, 0, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, #000 0%, transparent 78%);
}

body::after {
  opacity: 0.28;
  background:
    repeating-linear-gradient(120deg, transparent 0 24px, rgba(42, 199, 255, 0.08) 25px, transparent 26px),
    linear-gradient(90deg, transparent, rgba(255, 215, 94, 0.08), transparent);
}

body.no-scroll {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--blue-3);
  outline-offset: 3px;
}

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

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) auto auto;
  gap: 20px;
  align-items: center;
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--gold-3), var(--blue-3), transparent) 1;
  background:
    linear-gradient(90deg, rgba(255, 184, 0, 0.08), transparent 24%, rgba(0, 156, 255, 0.08)),
    rgba(3, 7, 14, 0.9);
  padding: 16px 32px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(16px);
}

.site-header::before {
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 215, 94, 0.9), rgba(42, 199, 255, 0.75), transparent);
  content: "";
  pointer-events: none;
}

.site-header > * {
  min-width: 0;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  min-width: 210px;
  color: var(--gold-5);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: 0 0 16px rgba(255, 184, 0, 0.34);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border-soft);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  font-size: 12px;
  line-height: 1;
}

.brand-logo {
  border: 1px solid rgba(255, 215, 94, 0.58);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  object-fit: contain;
  background:
    radial-gradient(circle, rgba(255, 240, 173, 0.18), rgba(0, 156, 255, 0.08)),
    var(--bg-deep);
  box-shadow: var(--shadow-gold), inset 0 0 18px rgba(255, 215, 94, 0.14);
}

.search input {
  border: 1px solid rgba(42, 199, 255, 0.22);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, rgba(7, 18, 33, 0.92), rgba(3, 7, 14, 0.86)),
    var(--bg-navy);
  padding: 12px 14px;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  color: var(--text-main);
  box-shadow: inset 0 0 18px rgba(0, 156, 255, 0.07);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.search input::placeholder {
  color: rgba(184, 196, 214, 0.62);
}

.search input:focus {
  outline: 2px solid rgba(42, 199, 255, 0.32);
  outline-offset: 2px;
  border-color: var(--blue-3);
  background: rgba(5, 14, 26, 0.98);
  box-shadow: var(--shadow-blue), inset 0 0 22px rgba(0, 156, 255, 0.1);
}

.header-nav,
.header-actions,
.site-footer nav {
  display: flex;
  gap: 18px;
  align-items: center;
}

.header-nav a,
.site-footer a {
  position: relative;
  color: var(--text-soft);
  font-size: 14px;
  transition: color 180ms ease, text-shadow 180ms ease;
}

.header-nav a::after,
.site-footer a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--gold-4), var(--blue-3));
  box-shadow: 0 0 12px rgba(42, 199, 255, 0.5);
  content: "";
  transition: transform 180ms ease;
}

.header-nav a:hover,
.site-footer a:hover {
  color: var(--gold-5);
  text-shadow: 0 0 14px rgba(255, 184, 0, 0.28);
}

.header-nav a:hover::after,
.site-footer a:hover::after {
  transform: scaleX(1);
}

.icon-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border: 1px solid rgba(255, 215, 94, 0.36);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, rgba(255, 184, 0, 0.13), rgba(0, 156, 255, 0.08)),
    rgba(4, 9, 17, 0.82);
  padding: 10px 13px;
  min-height: 42px;
  color: var(--text-main);
  font-weight: 700;
  box-shadow: inset 0 0 18px rgba(255, 184, 0, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.icon-button:hover {
  transform: translateY(-1px);
  border-color: var(--blue-3);
  color: var(--blue-4);
  box-shadow: var(--shadow-blue), inset 0 0 18px rgba(0, 156, 255, 0.1);
}

main {
  margin: 0 auto;
  padding: 28px 32px 64px;
  max-width: min(1480px, calc(100vw - 24px));
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  margin: 0 auto 24px;
  max-width: var(--content-width);
  color: var(--text-muted);
  font-size: 13px;
}

.breadcrumbs a {
  color: var(--blue-4);
}

.breadcrumbs a:hover {
  color: var(--gold-5);
  text-decoration: underline;
  text-decoration-color: var(--gold-3);
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
  gap: 38px;
  align-items: start;
  margin: 0 auto;
  max-width: var(--content-width);
}

.gallery {
  min-width: 0;
}

.gallery-main {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 215, 94, 0.32);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 50% 26%, rgba(255, 184, 0, 0.12), transparent 38%),
    radial-gradient(circle at 72% 62%, rgba(0, 156, 255, 0.16), transparent 42%),
    linear-gradient(145deg, rgba(12, 24, 42, 0.96), rgba(2, 4, 8, 0.98));
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow), var(--shadow-blue), inset 0 0 42px rgba(255, 184, 0, 0.08);
}

.gallery-main::before,
.gallery-main::after,
.product-panel::before,
.article-box::before,
.review-list figure::before {
  position: absolute;
  content: "";
  pointer-events: none;
}

.gallery-main::before {
  inset: 14px;
  border: 1px solid rgba(42, 199, 255, 0.28);
  background:
    linear-gradient(135deg, rgba(255, 215, 94, 0.32) 0 18px, transparent 18px) top left / 76px 76px no-repeat,
    linear-gradient(315deg, rgba(42, 199, 255, 0.32) 0 18px, transparent 18px) bottom right / 76px 76px no-repeat;
  clip-path: polygon(0 18px, 18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.gallery-main::after {
  inset: 0;
  opacity: 0.24;
  background:
    linear-gradient(110deg, transparent 0 44%, rgba(255, 240, 173, 0.16) 49%, transparent 54%),
    repeating-linear-gradient(0deg, transparent 0 11px, rgba(42, 199, 255, 0.08) 12px, transparent 13px);
}

.gallery-main img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: clamp(14px, 2.4vw, 30px);
  user-select: none;
  filter: drop-shadow(0 20px 42px rgba(0, 0, 0, 0.52));
}

.gallery-nav {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  border: 1px solid rgba(255, 215, 94, 0.45);
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(255, 215, 94, 0.22), rgba(0, 156, 255, 0.16)),
    rgba(2, 4, 8, 0.82);
  width: 44px;
  height: 44px;
  color: var(--gold-5);
  font-size: 34px;
  line-height: 1;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.38), var(--shadow-gold);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.gallery-nav:hover {
  transform: translateY(calc(-50% - 1px));
  border-color: var(--blue-3);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.42), var(--shadow-blue);
}

.gallery-nav.previous {
  left: 18px;
}

.gallery-nav.next {
  right: 18px;
}

.thumbnail-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(72px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.thumbnail {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(42, 199, 255, 0.22);
  border-radius: var(--radius-sm);
  background: rgba(7, 18, 33, 0.76);
  padding: 0;
  aspect-ratio: 1 / 1;
  box-shadow: inset 0 0 22px rgba(0, 156, 255, 0.06);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.thumbnail::after {
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 215, 94, 0.8) 51%);
  content: "";
  pointer-events: none;
}

.thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.78;
  transition: opacity 180ms ease, transform 180ms ease;
}

.thumbnail:hover {
  transform: translateY(-2px);
  border-color: var(--blue-3);
  box-shadow: var(--shadow-blue);
}

.thumbnail:hover img,
.thumbnail.is-active img {
  opacity: 1;
}

.thumbnail.is-active {
  border-color: var(--gold-4);
  box-shadow: 0 0 0 2px rgba(255, 184, 0, 0.16), var(--shadow-gold);
}

.product-panel {
  position: sticky;
  top: 96px;
  overflow: hidden;
  border: 1px solid rgba(255, 215, 94, 0.32);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 184, 0, 0.08), transparent 28%),
    linear-gradient(315deg, rgba(0, 156, 255, 0.1), transparent 34%),
    var(--surface-1);
  padding: 26px;
  box-shadow: var(--shadow), var(--shadow-gold);
}

.product-panel::before {
  top: 0;
  right: 0;
  width: 78px;
  height: 78px;
  border-top: 2px solid rgba(255, 215, 94, 0.78);
  border-right: 2px solid rgba(42, 199, 255, 0.62);
  background: linear-gradient(225deg, rgba(255, 215, 94, 0.14), transparent 58%);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.seller-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.seller-avatar {
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 215, 94, 0.5);
  border-radius: 50%;
  background:
    linear-gradient(135deg, var(--gold-5), var(--gold-3) 44%, var(--gold-1));
  width: 42px;
  height: 42px;
  color: var(--bg-deep);
  font-weight: 900;
  box-shadow: var(--shadow-gold);
}

.muted {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
}

.seller-name {
  margin: 0;
  color: var(--text-main);
  font-weight: 800;
}

.product-eyebrow,
.article-box-kicker {
  margin: 0 0 6px;
  color: var(--gold-4);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-shadow: 0 0 14px rgba(255, 184, 0, 0.28);
}

h1 {
  margin: 0;
  color: var(--text-main);
  font-size: clamp(2rem, 3.2vw, 3.35rem);
  line-height: 1.06;
  letter-spacing: 0;
  text-shadow: 0 0 24px rgba(0, 156, 255, 0.14);
}

.product-panel h1 {
  background: linear-gradient(98deg, var(--text-main) 0%, var(--gold-5) 42%, var(--gold-3) 66%, var(--blue-4) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.product-subtitle {
  margin: 12px 0 22px;
  color: var(--text-soft);
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.price {
  color: var(--gold-5);
  font-size: clamp(1.35rem, 2vw, 1.65rem);
  font-weight: 900;
  letter-spacing: 0;
  text-shadow: 0 0 18px rgba(255, 184, 0, 0.22);
}

.badge {
  border: 1px solid rgba(42, 199, 255, 0.48);
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(0, 156, 255, 0.24), rgba(255, 184, 0, 0.1)),
    rgba(4, 9, 17, 0.78);
  padding: 6px 11px;
  color: var(--blue-4);
  font-size: 12px;
  font-weight: 800;
  box-shadow: var(--shadow-blue);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 24px;
}

.spec-grid div {
  border-top: 1px solid rgba(255, 215, 94, 0.2);
  background: linear-gradient(90deg, rgba(255, 184, 0, 0.06), transparent);
  padding: 12px 10px 0 0;
}

.spec-grid dt {
  color: var(--text-muted);
  font-size: 13px;
}

.spec-grid dd {
  margin: 4px 0 0;
  color: var(--text-main);
  font-weight: 800;
}

.cta-group {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.button {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 215, 94, 0.52);
  border-radius: var(--radius-sm);
  padding: 13px 18px;
  min-height: 48px;
  color: var(--text-main);
  font-weight: 900;
  text-align: center;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background-position 180ms ease, color 180ms ease;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.button::before {
  position: absolute;
  inset: 0;
  transform: translateX(-120%);
  background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.3), transparent 62%);
  content: "";
  transition: transform 260ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:hover::before {
  transform: translateX(120%);
}

.button:active {
  transform: translateY(0);
}

.button.primary {
  border-color: var(--gold-5);
  background:
    linear-gradient(110deg, var(--gold-1) 0%, var(--gold-3) 36%, var(--gold-5) 50%, var(--gold-2) 66%, var(--gold-4) 100%);
  background-size: 180% 100%;
  color: #101010;
  box-shadow: var(--shadow-gold), inset 0 1px 0 rgba(255, 255, 255, 0.48);
}

.button.primary:hover {
  background-position: 100% 0;
  box-shadow: 0 0 30px rgba(255, 184, 0, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.button.secondary,
.button.ghost {
  background:
    linear-gradient(135deg, rgba(0, 156, 255, 0.16), rgba(255, 184, 0, 0.06)),
    rgba(5, 12, 23, 0.86);
}

.button.secondary {
  border-color: rgba(42, 199, 255, 0.58);
  color: var(--blue-4);
}

.button.secondary:hover,
.button.ghost:hover {
  border-color: var(--blue-3);
  color: var(--text-main);
  box-shadow: var(--shadow-blue);
}

.button.ghost {
  border-color: rgba(255, 215, 94, 0.3);
  color: var(--text-soft);
}

.button.ghost.is-saved {
  border-color: var(--gold-4);
  background:
    linear-gradient(135deg, rgba(255, 184, 0, 0.22), rgba(0, 156, 255, 0.14)),
    rgba(5, 12, 23, 0.9);
  color: var(--gold-5);
  box-shadow: var(--shadow-gold);
}

.service-note {
  margin: 0 0 22px;
  color: var(--text-soft);
  font-size: 14px;
}

.accordion {
  border-top: 1px solid rgba(42, 199, 255, 0.2);
}

.accordion-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 0;
  border-bottom: 1px solid rgba(255, 215, 94, 0.18);
  background: transparent;
  padding: 16px 0;
  width: 100%;
  color: var(--text-main);
  font-weight: 800;
  text-align: left;
  transition: color 180ms ease;
}

.accordion-trigger:hover,
.accordion-trigger[aria-expanded="true"] {
  color: var(--gold-5);
}

.accordion-trigger span {
  display: grid;
  place-items: center;
  border: 1px solid rgba(42, 199, 255, 0.3);
  width: 24px;
  height: 24px;
  color: var(--blue-4);
  box-shadow: inset 0 0 12px rgba(0, 156, 255, 0.08);
}

.accordion-trigger span::before {
  content: "+";
}

.accordion-trigger[aria-expanded="true"] span::before {
  content: "-";
}

.accordion-panel {
  border-bottom: 1px solid rgba(42, 199, 255, 0.16);
  padding: 0 0 16px;
  color: var(--text-soft);
  font-size: 14px;
}

.accordion-panel p {
  margin: 0;
}

.article-box {
  position: relative;
  overflow: hidden;
  margin: 42px auto 0;
  border: 1px solid rgba(42, 199, 255, 0.24);
  border-radius: var(--radius-md);
  background:
    linear-gradient(155deg, rgba(255, 184, 0, 0.08), transparent 22%),
    linear-gradient(25deg, rgba(0, 156, 255, 0.11), transparent 36%),
    var(--surface-1);
  padding: 26px;
  max-width: min(980px, 100%);
  box-shadow: var(--shadow), var(--shadow-blue);
}

.article-box::before {
  top: 0;
  left: 0;
  width: 124px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-4), var(--blue-3), transparent);
  box-shadow: var(--shadow-gold);
}

.article-box-header {
  border-bottom: 1px solid rgba(255, 215, 94, 0.2);
  padding-bottom: 16px;
  margin-bottom: 18px;
}

.article-box h2 {
  margin: 0;
  color: var(--text-main);
  font-size: clamp(1.45rem, 2.4vw, 2.15rem);
  line-height: 1.18;
}

.article-box-body {
  display: grid;
  gap: 24px;
}

.article-box-body p {
  margin: 0;
  color: var(--text-soft);
}

.article-box-body section {
  display: grid;
  gap: 12px;
}

.article-box-body h3 {
  margin: 0;
  color: var(--gold-5);
  font-size: clamp(1.12rem, 1.8vw, 1.38rem);
  line-height: 1.28;
  text-shadow: 0 0 16px rgba(255, 184, 0, 0.16);
}

.article-box-body ul,
.article-box-body ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--text-soft);
}

.article-box-body li::marker {
  color: var(--gold-4);
}

.article-box-body li strong {
  color: var(--text-main);
}

.faq-list details {
  border-top: 1px solid rgba(42, 199, 255, 0.18);
  background: linear-gradient(90deg, rgba(0, 156, 255, 0.06), transparent 72%);
  padding: 13px 0;
}

.faq-list details:last-child {
  border-bottom: 1px solid rgba(255, 215, 94, 0.18);
}

.faq-list summary {
  color: var(--text-main);
  font-weight: 800;
  cursor: pointer;
  transition: color 180ms ease;
}

.faq-list summary:hover {
  color: var(--blue-4);
}

.faq-list details[open] summary {
  color: var(--gold-5);
}

.faq-list details p {
  margin-top: 8px;
}

.review-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.review-list h3 {
  grid-column: 1 / -1;
}

.review-list figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid rgba(255, 215, 94, 0.2);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 184, 0, 0.08), transparent 46%),
    rgba(7, 18, 33, 0.7);
  padding: 16px;
  box-shadow: inset 0 0 26px rgba(0, 156, 255, 0.05);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.review-list figure::before {
  top: 0;
  right: 0;
  width: 34px;
  height: 34px;
  background: linear-gradient(225deg, rgba(42, 199, 255, 0.56), transparent 58%);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.review-list figure:hover {
  transform: translateY(-2px);
  border-color: rgba(42, 199, 255, 0.42);
  box-shadow: var(--shadow-blue), inset 0 0 26px rgba(0, 156, 255, 0.07);
}

.review-list blockquote {
  margin: 0;
  color: var(--text-main);
}

.review-list figcaption {
  margin-top: 10px;
  color: var(--gold-4);
  font-size: 13px;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  border-top: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--blue-3), var(--gold-3), transparent) 1;
  background:
    linear-gradient(90deg, rgba(255, 184, 0, 0.06), transparent 50%, rgba(0, 156, 255, 0.08)),
    rgba(2, 4, 8, 0.96);
  padding: 26px 32px;
  color: var(--text-muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
  color: var(--text-soft);
  font-weight: 700;
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .search {
    grid-column: 1 / -1;
    order: 3;
  }

  .header-nav {
    display: none;
  }

  .product-layout {
    grid-template-columns: 1fr;
  }

  .product-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  body::before {
    opacity: 0.2;
    background-size: 42px 42px;
  }

  body::after {
    opacity: 0.16;
  }

  .site-header {
    padding: 14px 16px;
  }

  .site-header::before {
    left: 16px;
    right: 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand span:last-child {
    display: none;
  }

  .header-actions {
    gap: 6px;
  }

  .icon-button {
    padding: 9px 10px;
  }

  main {
    padding: 18px 16px 42px;
    max-width: 100%;
  }

  .breadcrumbs {
    margin-bottom: 18px;
  }

  .product-layout {
    gap: 22px;
  }

  .gallery-main::before {
    inset: 10px;
  }

  .gallery-nav {
    width: 38px;
    height: 38px;
    font-size: 28px;
  }

  .gallery-nav.previous {
    left: 10px;
  }

  .gallery-nav.next {
    right: 10px;
  }

  .thumbnail-strip {
    grid-template-columns: repeat(4, minmax(58px, 1fr));
  }

  .product-panel,
  .article-box {
    padding: 20px;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .review-list {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 16px;
  }
}

@media (max-width: 600px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .search {
    grid-column: auto;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .thumbnail-strip {
    grid-template-columns: repeat(2, minmax(96px, 1fr));
  }

  .button {
    padding-inline: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
    transition-delay: 0ms;
  }
}