:root {
  --canvas: #f7f9fa;
  --canvas-clean: #ffffff;
  --surface-frost: #eef3f5;
  --surface-steel: #d8e0e5;
  --ink: #151a1e;
  --body: #46515a;
  --muted: #7a8790;
  --hairline: #dfe6ea;
  --hairline-strong: #c6d0d6;
  --primary: #176bff;
  --primary-hover: #0f57d6;
  --primary-soft: #e8f0ff;
  --energy: #18a957;
  --energy-soft: #e8f7ef;
  --warmth: #fff4de;
  --dark: #101417;
  --on-dark: #f7f9fa;
  --shadow-soft: 0 12px 40px rgba(16, 20, 23, 0.08);
  --shadow-product: 0 28px 80px rgba(16, 20, 23, 0.16);
  --radius: 8px;
  --max: 1200px;
  --wide: 1440px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

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

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

figure {
  margin: 0;
}

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-160%);
  background: var(--dark);
  color: var(--on-dark);
  padding: 10px 14px;
  border-radius: 5px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--hairline);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(var(--wide), calc(100% - 40px));
  min-height: 64px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-weight: 700;
  color: var(--ink);
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
}

.brand span {
  display: block;
  font-size: 16px;
  line-height: 1.1;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.nav-links a,
.nav-actions a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border-radius: 9999px;
  padding: 0 13px;
  color: var(--body);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-actions a:hover,
.nav-actions a:focus-visible {
  background: var(--surface-frost);
  color: var(--ink);
  outline: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-actions .button-primary {
  color: var(--canvas-clean);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--canvas-clean);
  color: var(--ink);
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 9999px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:active {
  transform: scale(0.97);
}

.button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.button-primary {
  background: var(--primary);
  color: var(--canvas-clean);
}

.button-primary:hover {
  background: var(--primary-hover);
}

.button-secondary {
  background: var(--canvas-clean);
  color: var(--ink);
  border-color: var(--hairline);
}

.button-secondary:hover {
  border-color: var(--hairline-strong);
  background: var(--surface-frost);
}

.button-dark {
  background: var(--dark);
  color: var(--on-dark);
}

.button-quiet {
  background: transparent;
  color: var(--body);
  border-color: var(--hairline);
}

.section {
  padding: 88px 20px;
}

.section-tight {
  padding: 56px 20px;
}

.container {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.wide-container {
  width: min(var(--wide), 100%);
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--energy);
}

.section-head {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
.display-xl {
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: 0;
}

h2,
.display-lg {
  font-size: clamp(32px, 4.2vw, 44px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: 0;
}

h3 {
  font-size: 24px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0;
}

p {
  color: var(--body);
}

.lead {
  font-size: 19px;
  line-height: 1.58;
  color: var(--body);
}

.hero {
  position: relative;
  min-height: calc(100svh - 65px);
  padding: 112px 20px 76px;
  overflow: hidden;
  background: #101417;
  color: #ffffff;
  display: flex;
  align-items: center;
}

.hero-grid {
  position: relative;
  z-index: 3;
  width: min(var(--wide), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(0, 1fr);
  column-gap: 64px;
  row-gap: 18px;
  align-items: center;
}

.hero-copy {
  max-width: 760px;
  min-width: 0;
}

.hero-copy h1 {
  margin: 14px 0 18px;
  color: #ffffff;
  text-shadow: 0 18px 60px rgba(0, 0, 0, 0.38);
}

.hero-copy .lead {
  max-width: 660px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.86);
  text-shadow: 0 10px 34px rgba(0, 0, 0, 0.36);
}

.hero .eyebrow {
  color: #ffffff;
  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.42);
}

.hero .eyebrow::before {
  background: #25d06f;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero .button-secondary {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(14px);
}

.hero .button-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.64);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 680px;
}

.proof-item {
  min-height: 86px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(16, 20, 23, 0.5);
  backdrop-filter: blur(14px);
}

.proof-item strong {
  display: block;
  color: #ffffff;
  font-size: 18px;
  line-height: 1.2;
}

.proof-item span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.35;
}

.scene-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 0;
  background: #0a1018 url("video/hero-real-preview.jpg") center / cover no-repeat;
  box-shadow: none;
  border: 0;
}

.scene-video video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-video::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(5, 8, 10, 0.84) 0%, rgba(5, 8, 10, 0.58) 34%, rgba(5, 8, 10, 0.18) 68%, rgba(5, 8, 10, 0.48) 100%),
    linear-gradient(180deg, rgba(5, 8, 10, 0.54) 0%, rgba(5, 8, 10, 0.08) 44%, rgba(5, 8, 10, 0.66) 100%);
  pointer-events: none;
}

.scene-video::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: radial-gradient(circle at 72% 44%, transparent 0%, rgba(0, 0, 0, 0.14) 54%, rgba(0, 0, 0, 0.56) 100%);
  pointer-events: none;
}

.video-ui {
  position: absolute;
  left: auto;
  right: 32px;
  bottom: 32px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--on-dark);
}

.video-label {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(16, 20, 23, 0.66);
  backdrop-filter: blur(12px);
}

.play-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--primary);
}

.play-dot::before {
  content: "";
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid #fff;
  margin-left: 2px;
}

.video-label strong {
  display: block;
  font-size: 13px;
  line-height: 1.1;
}

.video-label span {
  display: block;
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.video-meter {
  display: grid;
  grid-template-columns: repeat(4, 32px);
  gap: 5px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(16, 20, 23, 0.58);
  backdrop-filter: blur(12px);
}

.video-meter span {
  height: 5px;
  border-radius: 9999px;
  background: var(--primary);
  animation: meterDance 1.6s ease-in-out infinite;
}

.video-meter span:nth-child(2) {
  background: #00c8ff;
  animation-delay: 160ms;
}

.video-meter span:nth-child(3) {
  background: #ff4ec2;
  animation-delay: 320ms;
}

.video-meter span:nth-child(4) {
  background: #ffbd5c;
  animation-delay: 480ms;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  min-height: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--canvas-clean);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.product-card:hover,
.product-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--hairline-strong);
  box-shadow: var(--shadow-soft);
}

.product-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(238, 243, 245, 0.9)),
    linear-gradient(90deg, rgba(23, 107, 255, 0.08), rgba(24, 169, 87, 0.06));
}

.product-visual::before,
.product-visual::after {
  content: "";
  position: absolute;
  border-radius: 9999px;
}

.product-visual::before {
  width: 54%;
  height: 10px;
  left: 23%;
  top: 53%;
  background: linear-gradient(90deg, #176bff, #00c8ff, #ff4ec2, #ffbd5c);
  box-shadow: 0 0 28px rgba(23, 107, 255, 0.28);
}

.product-visual::after {
  width: 28%;
  height: 48%;
  left: 36%;
  top: 22%;
  border: 3px solid rgba(21, 26, 30, 0.82);
  border-top-width: 10px;
  border-bottom-width: 10px;
  background: rgba(255, 255, 255, 0.52);
}

.product-visual[data-type="TV & Gaming Lights"]::after {
  width: 56%;
  height: 36%;
  left: 22%;
  top: 24%;
  border-radius: 5px;
}

.product-visual[data-type="Outdoor Lights"]::before {
  top: 32%;
  width: 70%;
  left: 15%;
  height: 4px;
  background: repeating-linear-gradient(90deg, #ffbd5c 0 10px, #18a957 10px 20px, #176bff 20px 30px);
}

.product-visual[data-type="Outdoor Lights"]::after {
  width: 10px;
  height: 42%;
  left: 48%;
  top: 36%;
  border: 0;
  border-radius: 3px;
  background: #293137;
}

.product-visual[data-type="Smart Lamps"]::before {
  width: 12px;
  height: 58%;
  left: 49%;
  top: 18%;
  background: linear-gradient(180deg, #00c8ff, #ff4ec2, #ffbd5c);
}

.product-visual[data-type="Smart Lamps"]::after {
  width: 42%;
  height: 7px;
  left: 29%;
  top: 77%;
  border: 0;
  background: #151a1e;
}

.product-visual[data-type="Ceiling & Cabinet Lights"]::before {
  width: 64%;
  height: 8px;
  left: 18%;
  top: 28%;
  background: linear-gradient(90deg, #fff4de, #ffffff, #d7f0ff);
}

.product-visual[data-type="Ceiling & Cabinet Lights"]::after {
  width: 62%;
  height: 32%;
  left: 19%;
  top: 42%;
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.64);
}

.product-visual[data-type="Controls & Accessories"]::before {
  width: 32%;
  height: 32%;
  left: 34%;
  top: 28%;
  background: var(--primary-soft);
  border: 1px solid rgba(23, 107, 255, 0.2);
}

.product-visual[data-type="Controls & Accessories"]::after {
  width: 14%;
  height: 14%;
  left: 43%;
  top: 37%;
  border: 0;
  border-radius: 50%;
  background: var(--primary);
}

.product-photo::before,
.product-photo::after,
.product-photo-large::before,
.product-photo-large::after {
  display: none;
}

.product-photo img,
.product-photo-large img {
  width: 100%;
  height: 100%;
  display: block;
}

.product-photo img {
  object-fit: cover;
  transition: transform 220ms ease;
}

.product-card:hover .product-photo img,
.product-card:focus-within .product-photo img {
  transform: scale(1.035);
}

.product-photo[data-fit="contain"],
.product-photo-large[data-fit="contain"] {
  background: linear-gradient(160deg, #ffffff, #eef3f5);
}

.product-photo[data-fit="contain"] img {
  object-fit: contain;
  padding: 18px;
}

.product-photo-large[data-fit="contain"] img {
  object-fit: contain;
  padding: 32px;
}

.product-card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-meta {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}

.product-card h3 {
  margin: 8px 0 8px;
  font-size: 20px;
}

.product-card p {
  margin-bottom: 16px;
  font-size: 14px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.tag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border-radius: 9999px;
  padding: 0 10px;
  background: var(--surface-frost);
  color: var(--body);
  font-size: 12px;
  font-weight: 700;
}

.product-link {
  margin-top: 16px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.split-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.control-panel {
  border-radius: var(--radius);
  background: var(--dark);
  color: var(--on-dark);
  padding: 24px;
  overflow: hidden;
  position: relative;
  min-height: 390px;
}

.control-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(23, 107, 255, 0.18), transparent 40%),
    linear-gradient(315deg, rgba(24, 169, 87, 0.12), transparent 46%);
}

.control-panel > * {
  position: relative;
  z-index: 1;
}

.control-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 22px;
}

.control-header h3 {
  margin-bottom: 4px;
}

.control-header p {
  color: rgba(247, 249, 250, 0.68);
  margin-bottom: 0;
}

.status-pill {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  gap: 8px;
  border-radius: 9999px;
  padding: 0 12px;
  background: rgba(24, 169, 87, 0.16);
  color: #a9f4c9;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #32d679;
  box-shadow: 0 0 18px rgba(50, 214, 121, 0.8);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  min-height: 110px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.metric span {
  color: rgba(247, 249, 250, 0.62);
  font-size: 12px;
  font-weight: 700;
}

.metric strong {
  display: block;
  margin-top: 10px;
  color: #ffffff;
  font-size: 28px;
  line-height: 1.1;
}

.metric small {
  display: block;
  margin-top: 6px;
  color: rgba(247, 249, 250, 0.58);
}

.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.category-tabs button {
  min-height: 40px;
  border-radius: 9999px;
  border: 1px solid var(--hairline);
  background: var(--canvas-clean);
  color: var(--body);
  padding: 0 14px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.category-tabs button.active,
.category-tabs button:hover,
.category-tabs button:focus-visible {
  outline: none;
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}

.collection-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.collection-item {
  min-height: 92px;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  background: var(--canvas-clean);
  padding: 16px;
}

.collection-item strong {
  display: block;
  line-height: 1.25;
}

.collection-item span {
  color: var(--muted);
  font-size: 13px;
}

.contact-band {
  background: var(--dark);
  color: var(--on-dark);
}

.contact-band p {
  color: rgba(247, 249, 250, 0.7);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  align-items: start;
}

.contact-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 24px;
  background: rgba(255, 255, 255, 0.06);
}

.contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list strong {
  display: block;
  color: #ffffff;
}

.contact-list span {
  color: rgba(247, 249, 250, 0.68);
}

.site-footer {
  padding: 32px 20px;
  background: #0b0f12;
  color: rgba(247, 249, 250, 0.72);
}

.footer-row {
  width: min(var(--wide), 100%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-row strong {
  color: #ffffff;
}

.breadcrumbs {
  padding: 24px 20px 0;
}

.breadcrumbs .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

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

.product-hero {
  padding: 48px 20px 72px;
}

.product-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 42px;
  align-items: center;
}

.detail-visual {
  min-width: 0;
  min-height: 520px;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(238, 243, 245, 0.9)),
    linear-gradient(90deg, rgba(23, 107, 255, 0.12), rgba(24, 169, 87, 0.08));
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.product-photo-large img {
  position: absolute;
  inset: 0;
  object-fit: cover;
}

.product-photo-large figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 2;
  width: fit-content;
  max-width: calc(100% - 32px);
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  border-radius: 9999px;
  padding: 0 12px;
  background: rgba(16, 20, 23, 0.7);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  backdrop-filter: blur(12px);
}

.detail-visual::before {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  top: 45%;
  height: 14px;
  border-radius: 9999px;
  background: linear-gradient(90deg, #176bff, #00c8ff, #ff4ec2, #ffbd5c);
  box-shadow: 0 0 80px rgba(23, 107, 255, 0.35);
  animation: detailGlow 5s ease-in-out infinite alternate;
}

.detail-visual::after {
  content: "";
  position: absolute;
  width: 44%;
  height: 46%;
  left: 28%;
  top: 24%;
  border: 5px solid rgba(21, 26, 30, 0.84);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.52);
}

.detail-kicker {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  border-radius: 9999px;
  padding: 0 12px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
}

.detail-copy h1 {
  margin: 16px 0 16px;
}

.detail-copy {
  min-width: 0;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.detail-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.detail-metrics div {
  min-height: 76px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--canvas-clean);
  padding: 13px;
}

.detail-metrics strong {
  display: block;
  font-size: 15px;
  line-height: 1.2;
}

.detail-metrics span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.detail-section {
  padding: 64px 20px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.feature-list,
.spec-list,
.faq-list,
.included-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.feature-list li,
.included-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--body);
}

.feature-list li::before,
.included-list li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--energy);
}

.spec-list li {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
}

.spec-list strong {
  color: var(--ink);
}

.spec-list span {
  color: var(--body);
}

.faq-item {
  border-bottom: 1px solid var(--hairline);
  padding: 16px 0;
}

.faq-item strong {
  display: block;
  margin-bottom: 6px;
}

.faq-item p {
  margin-bottom: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quote-form {
  display: grid;
  gap: 12px;
}

.quote-form label {
  display: grid;
  gap: 6px;
  color: rgba(247, 249, 250, 0.76);
  font-size: 13px;
  font-weight: 700;
}

.quote-form input,
.quote-form textarea {
  width: 100%;
  min-height: 44px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  padding: 10px 12px;
}

.quote-form textarea {
  min-height: 104px;
  resize: vertical;
}

@keyframes ambientShift {
  0% {
    opacity: 0.42;
    filter: hue-rotate(0deg) saturate(1);
  }
  50% {
    opacity: 0.72;
    filter: hue-rotate(16deg) saturate(1.18);
  }
  100% {
    opacity: 0.5;
    filter: hue-rotate(-14deg) saturate(1.05);
  }
}

@keyframes meterDance {
  0%,
  100% {
    transform: scaleX(0.45);
    opacity: 0.62;
  }
  50% {
    transform: scaleX(1);
    opacity: 1;
  }
}

@keyframes detailGlow {
  0% {
    transform: translateY(-8px) scaleX(0.86);
    filter: hue-rotate(0deg);
  }
  100% {
    transform: translateY(10px) scaleX(1.04);
    filter: hue-rotate(24deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 1180px) {
  .hero-grid,
  .product-hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .scene-video {
    grid-row: auto;
    min-height: auto;
  }

  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .nav {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-button {
    display: block;
  }

  .nav-links,
  .nav-actions {
    position: fixed;
    left: 20px;
    right: 20px;
    background: var(--canvas-clean);
    border: 1px solid var(--hairline);
    box-shadow: var(--shadow-soft);
    transform: translateY(-140%);
    opacity: 0;
    pointer-events: none;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .nav-links {
    top: 74px;
    display: grid;
    justify-content: stretch;
    gap: 4px;
    padding: 12px;
    border-radius: 8px 8px 0 0;
  }

  .nav-actions {
    top: 294px;
    display: grid;
    padding: 12px;
    border-top: 0;
    border-radius: 0 0 8px 8px;
  }

  body.menu-open .nav-links,
  body.menu-open .nav-actions {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a,
  .nav-actions a {
    width: 100%;
    justify-content: center;
  }

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

  .split-band,
  .contact-grid,
  .detail-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 64px 16px;
  }

  .section-tight,
  .detail-section {
    padding: 48px 16px;
  }

  .hero {
    padding: 56px 16px 40px;
  }

  .nav {
    width: calc(100% - 32px);
  }

  .hero-grid,
  .product-hero-grid {
    gap: 28px;
  }

  .proof-grid,
  .detail-metrics,
  .metric-grid,
  .product-grid,
  .collection-list,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .video-ui {
    align-items: stretch;
    flex-direction: column;
  }

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

  .scene-video {
    aspect-ratio: 4 / 3;
  }

  .detail-visual {
    min-height: 340px;
  }

  .spec-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-row {
    align-items: start;
    flex-direction: column;
  }
}