:root {
  --ink: #151719;
  --muted: #626a70;
  --line: #dcdedb;
  --paper: #f7f7f2;
  --white: #ffffff;
  --forest: #0d554f;
  --forest-dark: #073633;
  --coral: #ff7f57;
  --sky: #b9e3ff;
  --lime: #d9ff68;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.14);
  --radius: 8px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.announcement {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 5vw, 56px);
  min-height: 38px;
  padding: 8px 20px;
  background: var(--ink);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 72px;
  padding: 0 clamp(18px, 5vw, 56px);
  background: rgba(247, 247, 242, 0.86);
  border-bottom: 1px solid rgba(21, 23, 25, 0.1);
  backdrop-filter: blur(16px);
}

.site-header.is-scrolled {
  box-shadow: 0 12px 30px rgba(17, 24, 39, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-size: 1.06rem;
  font-weight: 850;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--lime);
  background: var(--forest-dark);
  border-radius: 50%;
}

.brand-mark svg {
  width: 18px;
  height: 18px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  font-size: 0.94rem;
  font-weight: 750;
}

.desktop-nav a {
  padding: 25px 0;
  color: rgba(21, 23, 25, 0.72);
}

.desktop-nav a:hover {
  color: var(--ink);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.icon-button,
.cart-button {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(21, 23, 25, 0.16);
  border-radius: 50%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
}

.icon-button svg,
.cart-button svg,
.primary-button svg,
.text-link svg,
.add-button svg {
  width: 18px;
  height: 18px;
}

.cart-button {
  position: relative;
}

.cart-button span {
  position: absolute;
  right: -4px;
  top: -4px;
  display: grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  color: var(--white);
  background: var(--coral);
  font-size: 0.7rem;
  font-weight: 850;
}

.mobile-menu-button,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: min(690px, calc(100svh - 116px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 480px);
  align-items: center;
  gap: clamp(24px, 5vw, 72px);
  overflow: hidden;
  padding: clamp(58px, 8vw, 96px) clamp(20px, 6vw, 76px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(7, 21, 25, 0.82), rgba(7, 21, 25, 0.48) 42%, rgba(7, 21, 25, 0.08)),
    url("https://images.unsplash.com/photo-1504826260979-242151ee45b7?auto=format&fit=crop&w=1800&q=82") center / cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.32), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100%, 650px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--forest);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--lime);
}

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

h1 {
  max-width: 11ch;
  margin-bottom: 18px;
  font-size: clamp(3.3rem, 8.5vw, 7.7rem);
  line-height: 0.88;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 580px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.55;
}

.hero-actions,
.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-button,
.secondary-button,
.store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 10px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 850;
  line-height: 1;
}

.primary-button {
  color: var(--ink);
  background: var(--lime);
}

.secondary-button {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.secondary-button.light {
  color: var(--ink);
  background: var(--white);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
  color: rgba(255, 255, 255, 0.78);
}

.hero-proof span {
  display: inline-flex;
  flex-direction: column;
  min-width: 92px;
  font-size: 0.9rem;
}

.hero-proof strong {
  color: var(--white);
  font-size: 1.35rem;
}

.hero-device {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: min(100%, 430px);
  aspect-ratio: 1;
  justify-self: center;
}

.collar-strap {
  position: absolute;
  width: 82%;
  height: 82%;
  border: 28px solid #0a2f2b;
  border-top-color: #156f65;
  border-left-color: #0d4d49;
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    var(--shadow);
}

.tracker-face {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 152px;
  height: 152px;
  border: 10px solid rgba(255, 255, 255, 0.16);
  border-radius: 36px;
  color: var(--white);
  background:
    radial-gradient(circle at 70% 20%, rgba(217, 255, 104, 0.28), transparent 28%),
    linear-gradient(145deg, #172023, #06090a);
  box-shadow:
    inset 0 1px 12px rgba(255, 255, 255, 0.12),
    0 30px 70px rgba(0, 0, 0, 0.36);
}

.tracker-face svg {
  width: 44px;
  height: 44px;
  color: var(--lime);
}

.tracker-face span {
  margin-top: -18px;
  font-size: 0.72rem;
  font-weight: 900;
}

.tracker-light {
  position: absolute;
  right: 24px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 20px var(--lime);
}

.signal-ring {
  position: absolute;
  border: 1px solid rgba(217, 255, 104, 0.42);
  border-radius: 50%;
}

.ring-one {
  width: 72%;
  height: 72%;
}

.ring-two {
  width: 98%;
  height: 98%;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-strip div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 74px;
  padding: 14px;
  background: var(--white);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 800;
  text-align: center;
}

.trust-strip svg {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  color: var(--forest);
}

.section {
  padding: clamp(68px, 9vw, 116px) clamp(20px, 6vw, 76px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.feature-copy h2,
.review-summary h2,
.app-copy h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.row-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  max-width: none;
  gap: 24px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--forest);
  font-weight: 850;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  grid-template-rows: repeat(2, minmax(240px, 1fr));
  gap: 18px;
}

.story-panel {
  position: relative;
  min-height: 240px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--white);
}

.story-large {
  grid-row: span 2;
}

.story-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.64), transparent 62%);
}

.story-panel > div:not(.mini-map) {
  position: absolute;
  z-index: 1;
  inset: auto 22px 20px;
  color: var(--white);
}

.story-panel span {
  display: block;
  margin-bottom: 8px;
  color: var(--lime);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.story-panel h3 {
  max-width: 500px;
  margin: 0;
  font-size: clamp(1.28rem, 2.2vw, 2rem);
  line-height: 1.08;
}

.accent-panel {
  display: grid;
  align-items: end;
  min-height: 240px;
  background:
    linear-gradient(135deg, rgba(185, 227, 255, 0.95), rgba(217, 255, 104, 0.84)),
    var(--sky);
}

.accent-panel::after {
  display: none;
}

.accent-panel > div:not(.mini-map) {
  color: var(--ink);
}

.accent-panel span {
  color: var(--forest);
}

.mini-map {
  position: absolute;
  inset: 20px;
}

.mini-map span {
  position: absolute;
  display: block;
  border-radius: 999px;
  background: rgba(13, 85, 79, 0.28);
}

.mini-map span:nth-child(1) {
  left: 5%;
  top: 16%;
  width: 66%;
  height: 12px;
  transform: rotate(-12deg);
}

.mini-map span:nth-child(2) {
  right: 10%;
  top: 42%;
  width: 62%;
  height: 12px;
  transform: rotate(22deg);
}

.mini-map span:nth-child(3) {
  left: 16%;
  bottom: 20%;
  width: 58%;
  height: 12px;
  transform: rotate(-28deg);
}

.mini-map svg {
  position: absolute;
  right: 18%;
  top: 28%;
  width: 54px;
  height: 54px;
  padding: 13px;
  border-radius: 50%;
  color: var(--lime);
  background: var(--forest-dark);
  box-shadow: 0 18px 35px rgba(7, 54, 51, 0.22);
}

.product-section {
  background: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.product-media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 360px;
  aspect-ratio: 1 / 0.9;
  overflow: hidden;
}

.collar-midnight {
  background:
    radial-gradient(circle at 24% 20%, rgba(217, 255, 104, 0.42), transparent 22%),
    linear-gradient(145deg, #d9f3e9, #f3f4ed);
}

.tracker-sky {
  background:
    radial-gradient(circle at 72% 16%, rgba(255, 127, 87, 0.4), transparent 18%),
    linear-gradient(135deg, #e9f8ff, #f8f5f0);
}

.bundle-coral {
  background:
    radial-gradient(circle at 28% 74%, rgba(185, 227, 255, 0.75), transparent 26%),
    linear-gradient(135deg, #ffe3d5, #f7f7f2);
}

.badge {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 1;
  padding: 8px 11px;
  border-radius: 999px;
  color: var(--white);
  background: var(--forest-dark);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.badge.soft {
  color: var(--ink);
  background: var(--sky);
}

.product-collar {
  position: relative;
  display: grid;
  place-items: center;
  width: min(76%, 300px);
  aspect-ratio: 1;
}

.strap {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 25px solid var(--forest-dark);
  border-radius: 50%;
  box-shadow: 0 24px 60px rgba(7, 54, 51, 0.2);
}

.strap-dark {
  border-top-color: #1e7770;
  border-right-color: #0d554f;
}

.tracker,
.clip-tracker,
.small-device {
  display: grid;
  place-items: center;
  border-radius: 28px;
  box-shadow:
    inset 0 1px 10px rgba(255, 255, 255, 0.18),
    0 24px 50px rgba(17, 24, 39, 0.22);
}

.tracker {
  position: relative;
  z-index: 1;
  width: 112px;
  height: 112px;
}

.tracker svg,
.clip-tracker svg,
.small-device svg {
  width: 38px;
  height: 38px;
}

.tracker-green {
  color: var(--lime);
  background: linear-gradient(145deg, #172023, #070a0b);
}

.clip-tracker {
  position: relative;
  width: min(56%, 220px);
  aspect-ratio: 1;
  color: #063e5d;
  background: linear-gradient(145deg, #ffffff, #b9e3ff);
}

.clip-tracker div {
  position: absolute;
  top: 24px;
  width: 42%;
  height: 16px;
  border-radius: 999px;
  background: rgba(6, 62, 93, 0.13);
}

.bundle-stack {
  position: relative;
  width: 260px;
  height: 260px;
}

.small-device {
  position: absolute;
  left: 20px;
  top: 58px;
  width: 148px;
  height: 148px;
  color: var(--lime);
  background: linear-gradient(145deg, #123f3b, #071414);
}

.small-device.second {
  left: 112px;
  top: 92px;
  color: var(--forest-dark);
  background: linear-gradient(145deg, #ffffff, #ffad8f);
}

.product-info {
  display: grid;
  gap: 20px;
  min-height: 250px;
  padding: 22px;
}

.product-info h3 {
  margin-bottom: 8px;
  font-size: 1.35rem;
}

.product-info p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.swatches {
  display: flex;
  gap: 8px;
}

.swatch {
  width: 24px;
  height: 24px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--swatch);
  box-shadow: 0 0 0 1px rgba(21, 23, 25, 0.18);
}

.swatch.active {
  box-shadow:
    0 0 0 2px var(--white),
    0 0 0 4px var(--ink);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.product-footer strong {
  font-size: 1.35rem;
}

.add-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 94px;
  min-height: 42px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  color: var(--white);
  background: var(--ink);
  font-weight: 850;
}

.feature-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 620px;
  background: var(--forest-dark);
  color: var(--white);
}

.feature-image {
  min-height: 420px;
}

.feature-copy {
  align-self: center;
  padding: clamp(48px, 7vw, 88px);
}

.feature-copy .eyebrow {
  color: var(--lime);
}

.feature-copy h2 {
  max-width: 650px;
  margin-bottom: 34px;
}

.feature-list {
  display: grid;
  gap: 13px;
}

.feature-list div {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.86);
  font-weight: 750;
}

.feature-list svg {
  flex: 0 0 auto;
  color: var(--lime);
}

.compare-section {
  background: #eef7f8;
}

.compare-table {
  overflow: hidden;
  border: 1px solid rgba(21, 23, 25, 0.14);
  border-radius: var(--radius);
  background: var(--white);
}

.compare-row {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr 1fr 0.85fr 0.9fr;
  border-top: 1px solid var(--line);
}

.compare-row:first-child {
  border-top: 0;
}

.compare-row > div {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 16px;
  color: var(--muted);
  line-height: 1.35;
}

.compare-row > div:first-child {
  color: var(--ink);
  font-weight: 850;
}

.compare-head {
  background: var(--ink);
}

.compare-head > div,
.compare-head > div:first-child {
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.reviews-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(24px, 5vw, 68px);
  padding: clamp(68px, 9vw, 116px) clamp(20px, 6vw, 76px);
  color: var(--white);
  background:
    linear-gradient(rgba(12, 20, 22, 0.74), rgba(12, 20, 22, 0.74)),
    url("https://images.unsplash.com/photo-1517849845537-4d257902454a?auto=format&fit=crop&w=1800&q=82") center / cover;
}

.review-summary .eyebrow {
  color: var(--lime);
}

.review-summary h2 {
  margin-bottom: 26px;
}

.review-grid {
  display: grid;
  gap: 14px;
}

.review-card {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.stars {
  margin-bottom: 14px;
  color: var(--lime);
  letter-spacing: 0;
}

.review-card p {
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.04rem;
  line-height: 1.55;
}

.review-card span {
  color: rgba(255, 255, 255, 0.66);
  font-weight: 800;
}

.app-section {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 660px);
  align-items: center;
  justify-content: center;
  gap: clamp(34px, 8vw, 96px);
  background: var(--paper);
}

.phone-shell {
  position: relative;
  width: min(100%, 360px);
  aspect-ratio: 0.52;
  overflow: hidden;
  border: 12px solid #0f1113;
  border-radius: 38px;
  background: #d9e7df;
  box-shadow: var(--shadow);
}

.phone-top {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 10px;
  width: 100px;
  height: 24px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #0f1113;
}

.app-map {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(13, 85, 79, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(13, 85, 79, 0.1) 1px, transparent 1px),
    linear-gradient(135deg, #e8f7fb, #f8f5ed);
  background-size: 58px 58px;
}

.route {
  position: absolute;
  display: block;
  height: 12px;
  border-radius: 999px;
  background: var(--coral);
}

.route-a {
  left: 20%;
  top: 34%;
  width: 58%;
  transform: rotate(-22deg);
}

.route-b {
  left: 32%;
  top: 48%;
  width: 44%;
  transform: rotate(28deg);
  background: var(--forest);
}

.pet-pin {
  position: absolute;
  left: 56%;
  top: 38%;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  color: var(--forest-dark);
  background: var(--lime);
  box-shadow: 0 16px 30px rgba(7, 54, 51, 0.18);
}

.app-card {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 18px;
  display: grid;
  gap: 6px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 38px rgba(17, 24, 39, 0.16);
}

.app-card span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 750;
}

.app-card strong {
  font-size: 1.35rem;
}

.app-copy p:not(.eyebrow) {
  max-width: 580px;
  margin: 22px 0 28px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.store-button {
  color: var(--ink);
  border-color: rgba(21, 23, 25, 0.16);
  background: var(--white);
}

.faq-section {
  padding: clamp(68px, 9vw, 116px) clamp(20px, 6vw, 76px);
  background: var(--white);
}

.faq-list {
  display: grid;
  gap: 10px;
  max-width: 920px;
}

.faq-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 18px;
  width: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  text-align: left;
}

.faq-item span {
  font-weight: 850;
}

.faq-item svg {
  transition: transform 180ms ease;
}

.faq-item p {
  display: none;
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.faq-item[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.faq-item[aria-expanded="true"] p {
  display: block;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto minmax(260px, 360px);
  gap: 34px;
  align-items: start;
  padding: 48px clamp(20px, 6vw, 76px);
  color: var(--white);
  background: #101214;
}

.footer-brand .brand-mark {
  color: var(--forest-dark);
  background: var(--lime);
}

.site-footer p {
  max-width: 330px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.5;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 12px 34px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 750;
}

.newsletter {
  display: grid;
  gap: 12px;
}

.newsletter label {
  font-weight: 850;
}

.newsletter div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.newsletter input {
  min-width: 0;
  height: 46px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.newsletter input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.icon-button.dark {
  color: var(--ink);
  background: var(--lime);
}

@media (max-width: 980px) {
  .announcement span:nth-child(2) {
    display: none;
  }

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

  .desktop-nav {
    display: none;
  }

  .mobile-menu-button {
    display: inline-grid;
  }

  .mobile-nav {
    position: fixed;
    z-index: 25;
    inset: 110px 14px auto;
    display: none;
    padding: 12px;
    border: 1px solid rgba(21, 23, 25, 0.12);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
  }

  .mobile-nav.is-open {
    display: grid;
  }

  .mobile-nav a {
    padding: 16px;
    border-radius: var(--radius);
    font-weight: 850;
  }

  .mobile-nav a:hover {
    background: var(--paper);
  }

  .hero {
    display: block;
    min-height: min(660px, calc(100svh - 138px));
    padding-top: 56px;
    padding-bottom: 34px;
  }

  h1 {
    max-width: 9ch;
  }

  .hero-device {
    position: absolute;
    right: -72px;
    bottom: 26px;
    width: min(44vw, 210px);
    opacity: 0.86;
  }

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

  .intro-grid,
  .feature-band,
  .reviews-section,
  .app-section,
  .site-footer {
    grid-template-columns: 1fr;
  }

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

  .product-card {
    display: grid;
    grid-template-columns: 0.9fr 1fr;
  }

  .product-media {
    min-height: 300px;
  }

  .feature-image {
    min-height: 360px;
  }

  .review-grid {
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .site-footer {
    gap: 28px;
  }
}

@media (max-width: 720px) {
  .announcement {
    justify-content: flex-start;
    overflow-x: auto;
    white-space: nowrap;
  }

  .site-header {
    min-height: 66px;
    padding-inline: 16px;
  }

  .brand {
    font-size: 1rem;
  }

  .header-actions {
    gap: 6px;
  }

  .header-actions .icon-button:not(.mobile-menu-button) {
    display: none;
  }

  .hero {
    padding-inline: 18px;
    background-position: 61% center;
  }

  h1 {
    font-size: clamp(2.9rem, 15vw, 4.1rem);
  }

  .hero-content {
    max-width: 370px;
  }

  .hero-proof {
    gap: 12px;
    margin-top: 24px;
  }

  .hero-proof span {
    min-width: 86px;
  }

  .section,
  .reviews-section,
  .faq-section {
    padding-inline: 18px;
  }

  .section-heading h2,
  .feature-copy h2,
  .review-summary h2,
  .app-copy h2 {
    font-size: clamp(2rem, 11vw, 3.1rem);
  }

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

  .intro-grid {
    grid-template-rows: auto;
  }

  .story-large {
    grid-row: auto;
  }

  .story-panel {
    min-height: 310px;
  }

  .accent-panel {
    min-height: 280px;
  }

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

  .product-media {
    min-height: 315px;
  }

  .feature-band {
    min-height: auto;
  }

  .feature-copy {
    padding: 48px 18px;
  }

  .compare-table {
    display: grid;
    gap: 12px;
    border: 0;
    background: transparent;
  }

  .compare-row,
  .compare-head {
    display: grid;
    grid-template-columns: 1fr;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
  }

  .compare-head {
    display: none;
  }

  .compare-row > div {
    min-height: auto;
    padding: 12px 16px;
    border-top: 1px solid var(--line);
  }

  .compare-row > div:first-child {
    border-top: 0;
    background: var(--ink);
    color: var(--white);
  }

  .phone-shell {
    justify-self: center;
    width: min(82vw, 330px);
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 460px) {
  .trust-strip {
    grid-template-columns: 1fr;
  }

  .trust-strip div {
    justify-content: flex-start;
  }

  .hero-device {
    right: -68px;
    bottom: 22px;
    width: min(50vw, 190px);
  }

  .collar-strap {
    border-width: 22px;
  }

  .tracker-face {
    width: 126px;
    height: 126px;
    border-radius: 30px;
  }

  .product-info {
    min-height: 230px;
  }

  .newsletter div {
    grid-template-columns: 1fr;
  }

  .newsletter .icon-button {
    width: 100%;
    border-radius: 999px;
  }
}