:root {
  --red: #a91515;
  --red-dark: #851111;
  --ink: #121212;
  --charcoal: #1b1d1f;
  --muted: #615a55;
  --line: #e8ddd3;
  --paper: #f7f1eb;
  --cream: #fffaf5;
  --steel: #dbe1e5;
  --shadow: 0 22px 54px rgba(0, 0, 0, 0.14);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

section[id] {
  scroll-margin-top: 150px;
}

.topbar {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
}

.topbar__inner,
.section-inner {
  width: min(100% - 48px, 1160px);
  margin: 0 auto;
}

.topbar__inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand,
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img,
.footer-logo img {
  width: 48px;
  height: 48px;
}

.brand strong,
.footer-logo strong {
  display: block;
  color: var(--red);
  font-family: Anton, Impact, sans-serif;
  font-size: 2rem;
  letter-spacing: 0;
  line-height: 0.95;
}

.brand small,
.footer-logo small {
  display: block;
  font-size: 0.78rem;
  font-weight: 850;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.nav a {
  text-decoration: none;
}

.nav a[aria-current="page"],
.nav a:hover {
  color: var(--red);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  border: 0;
  border-radius: 6px;
  background: var(--red);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 950;
  text-decoration: none;
  text-transform: uppercase;
  box-shadow: 0 16px 30px rgba(169, 21, 21, 0.24);
}

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

.button--secondary {
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: #fff;
  color: var(--red);
  box-shadow: none;
}

/* ===== Shop hub design system ===== */

.button--ghost {
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  color: #fff;
  box-shadow: none;
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.button--ghost-light {
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  color: #fff;
  box-shadow: none;
}

.button--ghost-light:hover {
  background: rgba(255, 255, 255, 0.16);
}

.button--xl {
  min-height: 60px;
  padding: 0 28px;
  font-size: 1rem;
}

.inline-link {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  margin-top: 14px;
  color: var(--red);
  font-size: 0.86rem;
  font-weight: 950;
  text-transform: uppercase;
  text-decoration: none;
}

.inline-link:hover {
  text-decoration: underline;
}

/* Trust strip across the top */
.trust-strip {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.trust-strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 0;
}

.trust-strip span {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: #423a34;
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.trust-strip svg {
  flex-shrink: 0;
  width: 17px;
  height: 17px;
  color: var(--red);
}

/* Shop hero */
.shop-hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 20%, #1c1f22 0%, transparent 55%),
    linear-gradient(180deg, #111416 0%, #16191c 100%);
  color: #fff;
}

.shop-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 36px;
  align-items: center;
  min-height: 520px;
  padding: 64px 0 56px;
}

.shop-hero__copy {
  display: grid;
  gap: 18px;
  align-content: center;
}

.shop-hero .eyebrow {
  margin-bottom: 0;
  color: #ffcfbf;
}

.shop-hero h1 {
  max-width: 720px;
  margin: 0;
  font-family: Anton, Impact, sans-serif;
  font-size: clamp(2.6rem, 5.4vw, 4.6rem);
  letter-spacing: 0;
  line-height: 0.96;
  text-transform: uppercase;
}

.shop-hero__lede {
  max-width: 580px;
  margin: 0;
  color: #ece2da;
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.55;
}

.shop-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.shop-hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 18px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  list-style: none;
}

.shop-hero__metrics li {
  display: grid;
  gap: 4px;
}

.shop-hero__metrics strong {
  font-family: Anton, Impact, sans-serif;
  font-size: 1.7rem;
  letter-spacing: 0;
  line-height: 1;
  color: #fff;
}

.shop-hero__metrics span {
  color: #cfc4bb;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.3;
}

.shop-hero__media {
  position: relative;
  display: grid;
  margin: 0;
  min-height: 460px;
  place-items: center;
  border-radius: 12px;
  background:
    radial-gradient(circle at 50% 60%, rgba(169, 21, 21, 0.18), transparent 65%),
    #0b0d0f;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.shop-hero__media img {
  display: block;
  width: min(92%, 540px);
  height: auto;
  filter: drop-shadow(0 32px 36px rgba(0, 0, 0, 0.4));
}

/* "Which one do I need" recommend cards */
.shop-recommend {
  padding: 56px 0 28px;
  background: #fff;
}

.shop-recommend__head {
  display: grid;
  gap: 6px;
  max-width: 720px;
  margin: 0 auto 26px;
  text-align: center;
}

.shop-recommend__head .eyebrow {
  margin: 0;
}

.shop-recommend__head h2 {
  margin: 0;
  font-family: Anton, Impact, sans-serif;
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.recommend-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.recommend-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 26px 24px 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--cream);
  color: #1f1a16;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.recommend-card:hover {
  border-color: var(--red);
  transform: translateY(-2px);
}

.recommend-card--primary {
  background: #fff;
  border-color: rgba(169, 21, 21, 0.32);
  box-shadow: 0 18px 38px rgba(169, 21, 21, 0.08);
}

.recommend-card__tag {
  display: inline-flex;
  align-self: start;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.recommend-card__tag--alt {
  background: var(--charcoal);
}

.recommend-card h3 {
  margin: 0;
  font-family: Anton, Impact, sans-serif;
  font-size: 1.7rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.recommend-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 660;
  line-height: 1.5;
}

.recommend-card__cta {
  margin-top: 4px;
  color: var(--red);
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Product cards section */
.shop-products {
  padding: 36px 0 64px;
  background: #fff;
}

.shop-products__head {
  display: grid;
  gap: 6px;
  max-width: 720px;
  margin: 0 auto 26px;
  text-align: center;
}

.shop-products__head .eyebrow {
  margin: 0;
}

.shop-products__head h2 {
  margin: 0;
  font-family: Anton, Impact, sans-serif;
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.shop-products__head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 680;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.shop-card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(24, 20, 17, 0.08);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.shop-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 52px rgba(24, 20, 17, 0.14);
}

.shop-card--primary {
  border-color: rgba(169, 21, 21, 0.36);
  box-shadow: 0 22px 50px rgba(169, 21, 21, 0.12);
}

.shop-card__ribbon {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.shop-card__ribbon--alt {
  background: var(--charcoal);
}

.shop-card__media {
  display: grid;
  overflow: hidden;
  min-height: 320px;
  height: 100%;
  padding: 18px;
  place-items: center;
  background:
    radial-gradient(circle at 50% 55%, rgba(255, 255, 255, 0.08), transparent 65%),
    #0b0d0f;
  text-decoration: none;
  box-sizing: border-box;
}

.shop-card__media img {
  display: block;
  width: auto;
  max-width: 82%;
  max-height: 300px;
  object-fit: contain;
  filter: drop-shadow(0 24px 28px rgba(0, 0, 0, 0.32));
}

.shop-card__media--kit img {
  max-width: 92%;
  max-height: 260px;
}

.shop-card__copy {
  display: grid;
  align-content: start;
  padding: 26px 26px 24px;
}

.shop-card__copy .eyebrow {
  margin: 0 0 8px;
}

.shop-card__copy h3 {
  margin: 0;
  color: #1f1a16;
  font-size: 1.32rem;
  font-weight: 950;
  line-height: 1.16;
}

.shop-card__copy h3 a {
  text-decoration: none;
}

.shop-card__copy > p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 680;
  line-height: 1.48;
}

.shop-card .price-row {
  margin-top: 18px;
}

.shop-card .price-row strong {
  font-size: 2.1rem;
}

.mini-list {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.mini-list li {
  position: relative;
  padding-left: 26px;
  color: #312a25;
  font-size: 0.9rem;
  font-weight: 720;
  line-height: 1.4;
}

.mini-list li::before {
  position: absolute;
  top: 0.36em;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #1b9d57;
  content: "";
}

.mini-list li::after {
  position: absolute;
  top: 0.55em;
  left: 3px;
  width: 8px;
  height: 4px;
  border-bottom: 2px solid #fff;
  border-left: 2px solid #fff;
  transform: rotate(-45deg);
  content: "";
}

.shop-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.shop-card__actions .button--secondary {
  border-color: var(--red);
}

.shop-card__assurance {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

/* Bundle band */
.shop-bundle {
  padding: 64px 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.shop-bundle__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  gap: 40px;
  align-items: center;
}

.shop-bundle__copy {
  display: grid;
  gap: 14px;
  align-content: center;
}

.shop-bundle__copy .eyebrow {
  margin: 0;
}

.shop-bundle__copy h2 {
  margin: 0;
  max-width: 560px;
  font-family: Anton, Impact, sans-serif;
  font-size: clamp(2rem, 3.8vw, 3rem);
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.shop-bundle__copy > p {
  margin: 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 660;
  line-height: 1.5;
}

.bundle-list {
  display: grid;
  gap: 0;
  margin: 12px 0 6px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  list-style: none;
}

.bundle-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

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

.bundle-list li strong {
  color: #1f1a16;
  font-size: 0.96rem;
  font-weight: 900;
}

.bundle-list li span {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 800;
}

.bundle-list__total {
  background: var(--cream);
}

.bundle-list__total strong {
  font-family: Anton, Impact, sans-serif;
  font-size: 1.4rem !important;
  font-weight: 400 !important;
  letter-spacing: 0;
  text-transform: uppercase;
}

.bundle-list__total span {
  color: var(--red) !important;
  font-family: Anton, Impact, sans-serif !important;
  font-size: 1.4rem !important;
  font-weight: 400 !important;
}

.shop-bundle__note {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 720;
}

.shop-bundle__media {
  display: grid;
  margin: 0;
  min-height: 320px;
  place-items: center;
  border-radius: 12px;
  background:
    radial-gradient(circle at 50% 55%, rgba(255, 255, 255, 0.05), transparent 65%),
    #0b0d0f;
}

.shop-bundle__stack {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px;
}

.shop-bundle__stack img {
  display: block;
  height: auto;
  max-height: 260px;
  filter: drop-shadow(0 22px 26px rgba(0, 0, 0, 0.36));
}

.shop-bundle__stack img:first-of-type {
  width: min(60%, 280px);
}

.shop-bundle__stack img:last-of-type {
  width: min(28%, 130px);
}

.shop-bundle__plus {
  color: #fff;
  font-family: Anton, Impact, sans-serif;
  font-size: 2.4rem;
  font-weight: 400;
  line-height: 1;
  opacity: 0.6;
}

/* Assurance band */
.shop-assurance {
  padding: 64px 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.shop-assurance__head {
  display: grid;
  gap: 6px;
  max-width: 720px;
  margin: 0 auto 30px;
  text-align: center;
}

.shop-assurance__head .eyebrow {
  margin: 0;
}

.shop-assurance__head h2 {
  margin: 0;
  font-family: Anton, Impact, sans-serif;
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

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

.assurance-grid article {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--cream);
}

.assurance-grid svg {
  width: 28px;
  height: 28px;
  color: var(--red);
}

.assurance-grid strong {
  font-size: 1rem;
  font-weight: 950;
  color: #1f1a16;
}

.assurance-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 660;
  line-height: 1.45;
}

.assurance-payments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 28px;
}

.payment-pill {
  display: inline-flex;
  overflow: hidden;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 32px;
  border: 1px solid #d8cec3;
  border-radius: 6px;
  background: #fff;
}

.payment-pill--mc {
  width: 46px;
}

.payment-pill--amex,
.payment-pill--apple {
  border-color: transparent;
}

.payment-pill svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* Shop FAQ */
.shop-faq {
  padding: 64px 0;
  background: var(--paper);
}

.shop-faq__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
  gap: 38px;
  align-items: start;
}

.shop-faq__head .eyebrow {
  margin: 0;
}

.shop-faq__head h2 {
  margin: 6px 0 0;
  font-family: Anton, Impact, sans-serif;
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.shop-faq__head p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 680;
  line-height: 1.5;
}

.shop-faq__grid {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--line);
}

.shop-faq__grid article {
  padding: 22px 24px;
  background: #fff;
}

.shop-faq__grid h3 {
  margin: 0;
  color: #1f1a16;
  font-size: 1rem;
  font-weight: 950;
  line-height: 1.3;
}

.shop-faq__grid p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 660;
  line-height: 1.5;
}

.shop-faq__grid a {
  color: var(--red);
  font-weight: 850;
}

/* Final CTA band */
.shop-final-cta {
  padding: 64px 0;
  background:
    radial-gradient(circle at 80% 30%, #c01a1a 0%, transparent 60%),
    linear-gradient(180deg, var(--red) 0%, var(--red-dark) 100%);
  color: #fff;
}

.shop-final-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 38px;
  align-items: center;
}

.shop-final-cta__copy .eyebrow {
  margin: 0;
  color: #ffd8c8;
}

.shop-final-cta__copy h2 {
  margin: 8px 0 0;
  max-width: 560px;
  font-family: Anton, Impact, sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.shop-final-cta__copy p {
  margin: 16px 0 0;
  max-width: 540px;
  color: #ffe7df;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.shop-final-cta__actions {
  display: grid;
  gap: 12px;
}

.shop-final-cta__actions .button {
  background: #0e0e0e;
  color: #fff;
  box-shadow: 0 22px 38px rgba(0, 0, 0, 0.28);
}

.shop-final-cta__actions .button--ghost-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.78);
}

.shop-final-cta__reassure {
  margin: 4px 0 0;
  color: #ffe7df;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.hero {
  overflow: hidden;
  background:
    linear-gradient(180deg, #111416 0%, #1b1d20 100%);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 32px;
  align-items: center;
  min-height: calc(100vh - 78px);
  padding: 48px 0 36px;
}

.hero__copy {
  color: #fff;
}

.eyebrow,
.section-title span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffcfbf;
}

.hero h1,
.shop-hero h1,
.section-title h2,
.cta-band h2 {
  margin: 0;
  font-family: Anton, Impact, sans-serif;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(3.3rem, 7.2vw, 7.2rem);
  line-height: 0.91;
}

.hero p {
  max-width: 610px;
  margin: 22px 0 0;
  color: #f0e5dc;
  font-size: 1.08rem;
  font-weight: 720;
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero__media {
  margin: 0;
  align-self: stretch;
  display: grid;
  min-height: 520px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: #050607;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.hero__media img {
  display: block;
  width: min(94%, 720px);
  height: auto;
  filter: drop-shadow(0 30px 36px rgba(0, 0, 0, 0.22));
}

.sensor-detail-hero .hero__media {
  padding: clamp(24px, 4vw, 56px);
  place-items: center;
  box-sizing: border-box;
}

.sensor-detail-hero .hero__media img {
  width: auto;
  max-width: min(72%, 520px);
  max-height: min(780px, 78vh);
  object-fit: contain;
}

.sensor-detail-hero h1 {
  font-size: clamp(2.5rem, 4.2vw, 4.2rem);
  line-height: 0.94;
}

.quick-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}

.quick-specs span {
  min-height: 76px;
  padding: 18px;
  background: #fff;
  color: #332b26;
  font-size: 0.84rem;
  font-weight: 900;
  line-height: 1.28;
  text-transform: uppercase;
}

.anchor-nav {
  position: sticky;
  z-index: 8;
  top: 78px;
  display: flex;
  justify-content: center;
  gap: 4px;
  overflow-x: auto;
  padding: 10px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 245, 0.96);
  backdrop-filter: blur(12px);
}

.anchor-nav a {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 10px 14px;
  color: #3b332f;
  font-size: 0.78rem;
  font-weight: 900;
  text-decoration: none;
  text-transform: uppercase;
}

.anchor-nav a:hover {
  background: #fff;
  color: var(--red);
}

.product-detail,
.spec-section,
.faq-section {
  padding: 66px 0;
}

.expandable-system-section {
  padding: 64px 0;
  background: #07090b;
  color: #fff;
}

.expandable-system {
  display: grid;
  grid-template-columns: minmax(260px, 0.34fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.expandable-system__copy {
  min-width: 0;
}

.expandable-system__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: #030507;
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.28);
}

.expandable-system__media img {
  display: block;
  width: 100%;
  height: auto;
}

.product-demo-section {
  padding: 66px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #111416;
  color: #fff;
}

.product-demo-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.34fr) minmax(0, 1fr);
  gap: 34px;
  align-items: center;
}

.product-demo-copy {
  display: grid;
  gap: 22px;
  align-content: center;
}

.product-demo-copy .button--secondary {
  justify-self: start;
}

.product-demo-card {
  min-width: 0;
}

.product-demo-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: #050607;
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.28);
}

.product-demo-frame iframe {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.product-card {
  display: grid;
  grid-template-columns: 0.86fr minmax(0, 1fr);
  gap: 42px;
  align-items: center;
}

.product-card__image {
  display: grid;
  overflow: hidden;
  min-height: 530px;
  place-items: center;
  border: 1px solid #202326;
  border-radius: 8px;
  background: #050607;
  box-shadow: var(--shadow);
}

.product-card__image img {
  display: block;
  width: min(92%, 540px);
  height: auto;
  filter: drop-shadow(0 22px 26px rgba(0, 0, 0, 0.16));
}

.product-card__image--sensor img {
  width: auto;
  max-width: min(78%, 460px);
  max-height: 720px;
  object-fit: contain;
}

.product-card__copy {
  min-width: 0;
}

.section-title h2 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 0.98;
}

.section-title p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 680;
  line-height: 1.55;
}

.section-title--light h2,
.section-title--light p {
  color: #fff;
}

.section-title--light p {
  color: #e6dde0;
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: baseline;
  margin-top: 22px;
}

.price-row strong {
  color: var(--red);
  font-family: Anton, Impact, sans-serif;
  font-size: 2.4rem;
  line-height: 1;
}

.price-row span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 850;
}

.capability-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.capability-list div {
  display: grid;
  grid-template-columns: minmax(160px, 0.38fr) minmax(0, 1fr);
  gap: 16px;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--line);
}

.capability-list strong {
  color: #211b17;
  font-size: 0.95rem;
  font-weight: 950;
  line-height: 1.22;
}

.capability-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.45;
}

.sensor-section {
  padding: 66px 0;
  border-top: 1px solid var(--line);
  background: var(--cream);
}

.sensor-card {
  display: grid;
  grid-template-columns: minmax(360px, 0.72fr) minmax(0, 1fr);
  gap: 42px;
  align-items: center;
}

.sensor-card__media {
  display: grid;
  overflow: hidden;
  min-height: 520px;
  margin: 0;
  place-items: center;
  border: 1px solid #202326;
  border-radius: 8px;
  background: #050607;
  box-shadow: var(--shadow);
}

.sensor-card__media img {
  display: block;
  width: min(88%, 430px);
  height: auto;
  filter: drop-shadow(0 22px 26px rgba(0, 0, 0, 0.16));
}

.sensor-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.sensor-list li {
  position: relative;
  padding-left: 28px;
  color: #312a25;
  font-size: 0.95rem;
  font-weight: 760;
  line-height: 1.38;
}

.sensor-list li::before {
  position: absolute;
  top: 0.25em;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--red);
  content: "";
}

.sensor-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.sensor-card__actions .button--secondary {
  border-color: var(--red);
}

.usage-section {
  padding: 68px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.usage-section--dark {
  border-top: 0;
  background: #111416;
  color: #fff;
}

.usage-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(460px, 1fr);
  gap: 36px;
  align-items: center;
}

.usage-layout--reversed {
  grid-template-columns: minmax(460px, 1fr) minmax(0, 0.78fr);
}

.usage-layout--reversed .usage-copy {
  order: 2;
}

.usage-layout--reversed .usage-media {
  order: 1;
}

.usage-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  background: #0b0d0f;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.2);
}

.usage-media--bright {
  border-color: var(--line);
  background: #fff;
}

.usage-media img {
  display: block;
  width: 100%;
  height: auto;
}

.detail-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
}

.detail-list div {
  padding: 0 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.detail-list dt {
  color: #fff;
  font-size: 0.96rem;
  font-weight: 950;
  text-transform: uppercase;
}

.detail-list dd {
  margin: 7px 0 0;
  color: #d9d4d0;
  font-size: 0.92rem;
  font-weight: 650;
  line-height: 1.45;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.control-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: var(--cream);
}

.control-grid strong {
  display: block;
  color: #1f1a16;
  font-size: 0.92rem;
  font-weight: 950;
  line-height: 1.2;
}

.control-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 660;
  line-height: 1.38;
}

.sound-mode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.sound-mode-row span,
.sound-mode-row strong {
  border-radius: 999px;
  padding: 9px 12px;
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.sound-mode-row span {
  background: var(--red);
  color: #fff;
}

.sound-mode-row strong {
  border: 1px solid var(--line);
  background: #fff;
}

.spec-section {
  background: var(--paper);
}

.spec-layout {
  display: grid;
  grid-template-columns: 0.56fr minmax(0, 1fr);
  gap: 42px;
  align-items: start;
}

.spec-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.spec-table article {
  min-height: 150px;
  padding: 20px;
  background: #fff;
}

.spec-table span {
  display: block;
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 950;
  text-transform: uppercase;
}

.spec-table strong {
  display: block;
  margin-top: 8px;
  color: #201b17;
  font-size: 1.02rem;
  font-weight: 950;
  line-height: 1.22;
}

.spec-table p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  line-height: 1.42;
}

.details-band {
  padding: 64px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.details-band__inner {
  display: grid;
  grid-template-columns: 0.78fr minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.included-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.included-list li {
  position: relative;
  padding-left: 28px;
  font-size: 0.96rem;
  font-weight: 820;
  line-height: 1.34;
}

.included-list li::before {
  position: absolute;
  top: 0.2em;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #1b9d57;
  content: "";
}

.placement-panel {
  border-radius: 8px;
  padding: 28px;
  background: var(--charcoal);
  color: #fff;
}

.placement-panel h3 {
  margin: 0;
  font-family: Anton, Impact, sans-serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.placement-panel p {
  margin: 14px 0 0;
  color: #e1d9d1;
  font-weight: 680;
  line-height: 1.55;
}

.placement-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 22px;
}

.placement-grid a {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
}

.placement-grid a:hover,
.placement-grid a:focus-visible {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.14);
}

.faq-section {
  background: var(--cream);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.48fr minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.faq-list article {
  padding: 20px;
  background: #fff;
}

.faq-list h3 {
  margin: 0;
  color: #201b17;
  font-size: 0.98rem;
  font-weight: 950;
}

.faq-list p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.45;
}

.reviews-section {
  padding: 64px 0;
  background: #fff;
}

.reviews-layout {
  display: grid;
  grid-template-columns: 0.48fr minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.review-list {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.review-card {
  padding: 20px;
  background: #fff;
}

.review-stars {
  font-size: 1rem;
  color: #f59e0b;
  letter-spacing: 1px;
}

.review-card blockquote {
  margin: 8px 0 12px;
  padding: 0;
  color: #201b17;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.55;
  font-style: italic;
}

.review-card footer {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 650;
}

.review-source {
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 0.78rem;
}

.cta-band {
  padding: 48px 0;
  background: var(--red);
  color: #fff;
}

.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-band h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

.cta-band p {
  margin: 10px 0 0;
  color: #ffe9e1;
  font-weight: 720;
}

.cta-band .button {
  background: #111;
  box-shadow: none;
}

.footer {
  padding: 54px 0 28px;
  background: #090909;
  color: #fff;
}

.footer__inner {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1fr);
  gap: 42px;
}

.footer-brand p {
  max-width: 360px;
  margin: 16px 0 12px;
  color: #d8d2cc;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.45;
}

.footer-email {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 900;
  text-decoration: none;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.footer-nav div {
  display: grid;
  gap: 10px;
}

.footer-nav span {
  color: #fff;
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.footer-nav a {
  color: #d8d2cc;
  font-size: 0.9rem;
  font-weight: 680;
  text-decoration: none;
}

.footer-nav a:hover,
.footer-email:hover {
  color: #fff;
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: #a8a09a;
  font-size: 0.8rem;
  font-weight: 720;
}

@media (max-width: 980px) {
  .topbar__inner {
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero__inner,
  .shop-grid,
  .shop-hero__inner,
  .recommend-grid,
  .shop-bundle__inner,
  .shop-faq__inner,
  .shop-final-cta__inner,
  .product-card,
  .product-demo-layout,
  .expandable-system,
  .sensor-card,
  .usage-layout,
  .usage-layout--reversed,
  .spec-layout,
  .details-band__inner,
  .faq-layout,
  .reviews-layout,
  .footer__inner {
    grid-template-columns: 1fr;
  }

  .shop-hero__inner {
    min-height: auto;
    padding: 44px 0 32px;
  }

  .shop-hero__media {
    min-height: 340px;
  }

  .shop-hero__media img {
    max-width: 360px;
  }

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

  .shop-bundle__media {
    min-height: 260px;
  }

  .shop-faq__head {
    text-align: left;
  }

  .hero__inner {
    min-height: auto;
    padding: 44px 0 0;
  }

  .hero__media {
    min-height: 420px;
    place-items: end center;
  }

  .usage-layout--reversed .usage-copy,
  .usage-layout--reversed .usage-media {
    order: initial;
  }

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

  .footer-bottom {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  section[id] {
    scroll-margin-top: 230px;
  }

  .topbar__inner,
  .section-inner {
    width: min(100% - 28px, 1160px);
  }

  .topbar__inner > .button {
    width: 100%;
  }

  .hero h1 {
    font-size: 3.1rem;
  }

  .hero p {
    font-size: 0.98rem;
  }

  .hero__actions,
  .cta-band__inner {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero__media {
    min-height: 330px;
  }

  .shop-card {
    grid-template-rows: auto auto;
  }

  .shop-hero__metrics {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .shop-hero__metrics strong {
    font-size: 1.4rem;
  }

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

  .shop-bundle__stack img:first-of-type {
    width: 56%;
  }

  .shop-bundle__stack img:last-of-type {
    width: 28%;
  }

  .shop-final-cta__actions .button {
    width: 100%;
  }

  .trust-strip__inner {
    gap: 6px 18px;
  }

  .trust-strip span {
    font-size: 0.72rem;
  }

  .recommend-card {
    padding: 22px 20px;
  }

  .product-card__image {
    min-height: 430px;
  }

  .shop-card__media {
    min-height: 300px;
  }

  .sensor-detail-hero .hero__media {
    min-height: 430px;
    padding: 28px;
  }

  .sensor-detail-hero .hero__media img {
    max-width: 78%;
    max-height: 390px;
  }

  .sensor-card__media {
    min-height: 430px;
  }

  .quick-specs,
  .capability-list div,
  .control-grid,
  .spec-table,
  .placement-grid,
  .footer-nav {
    grid-template-columns: 1fr;
  }

  .anchor-nav {
    justify-content: flex-start;
  }

  .product-detail,
  .product-demo-section,
  .shop-section,
  .sensor-section,
  .usage-section,
  .spec-section,
  .details-band,
  .faq-section,
  .reviews-section {
    padding: 48px 0;
  }
}