:root {
  color-scheme: light;
  --color-ink: #14211d;
  --color-text: #24332f;
  --color-muted: #65736e;
  --color-paper: #fbfbf7;
  --color-white: #ffffff;
  --color-mist: #edf5f2;
  --color-line: rgba(20, 33, 29, 0.13);
  --color-forest: #15523f;
  --color-leaf: #2f946b;
  --color-blue: #2d76a3;
  --color-coral: #d86e55;
  --color-gold: #d9a93f;
  --color-lilac: #7167c9;
  --shadow-soft: 0 24px 64px rgba(28, 48, 42, 0.13);
  --shadow-tight: 0 12px 30px rgba(28, 48, 42, 0.1);
  --radius-sm: 6px;
  --radius-md: 8px;
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 14px;
  --space-4: 18px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 44px;
  --space-8: 64px;
  --page-x: clamp(20px, 6vw, 88px);
  --ease-standard: cubic-bezier(0.2, 0.75, 0.25, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-text);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

body::selection {
  background: rgba(47, 148, 107, 0.22);
}

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

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

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

p {
  line-height: 1.72;
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-3) var(--page-x);
  border-bottom: 0;
  background: transparent;
  backdrop-filter: none;
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  flex: 0 0 auto;
  gap: var(--space-2);
  color: #000000;
  font-size: 1.0625rem;
  font-weight: 850;
  transition:
    color 180ms var(--ease-standard),
    transform 180ms var(--ease-standard);
}

.brand-mark {
  position: relative;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #000000;
  transition:
    background 180ms var(--ease-standard),
    transform 240ms var(--ease-standard);
}

.brand:hover,
.brand:focus-visible {
  transform: translateY(-1px);
}

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark {
  transform: rotate(-5deg) scale(1.04);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  position: absolute;
  content: "";
}

.brand-mark::before {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--color-leaf);
  transform: translate(-4px, 4px);
}

.brand-mark::after {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--color-gold);
  transform: translate(9px, -8px);
}

.brand-mark span {
  width: 10px;
  height: 24px;
  border-radius: 999px;
  background: var(--color-white);
  transform: rotate(35deg) translate(1px, 0);
}

.nav-links {
  gap: clamp(14px, 2.6vw, 32px);
  color: rgba(0, 0, 0, 0.7);
  font-size: 0.875rem;
  font-weight: 760;
}

.nav-links a,
.header-action,
.footer-links a {
  transition:
    color 180ms var(--ease-standard),
    background 180ms var(--ease-standard),
    border-color 180ms var(--ease-standard),
    box-shadow 180ms var(--ease-standard),
    transform 180ms var(--ease-standard);
}

.nav-links a,
.header-action {
  position: relative;
}

.nav-links a::after,
.header-action::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  background: currentColor;
  opacity: 0.72;
  transform: scaleX(0);
  transform-origin: left center;
  transition:
    opacity 180ms var(--ease-standard),
    transform 220ms var(--ease-standard);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-forest);
}

.site-header .nav-links a:hover,
.site-header .nav-links a:focus-visible,
.site-header .header-action:hover,
.site-header .header-action:focus-visible {
  color: #000000;
  transform: translateY(-2px);
}

.site-header .nav-links a:hover::after,
.site-header .nav-links a:focus-visible::after,
.site-header .header-action:hover::after,
.site-header .header-action:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-action {
  display: inline-flex;
  min-height: auto;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #000000;
  font-size: 0.875rem;
  font-weight: 850;
}

.header-action:hover,
.header-action:focus-visible {
  transform: translateY(-1px);
}

.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: calc(100svh - 28px);
  align-items: flex-start;
  overflow: hidden;
  padding: clamp(96px, 9vw, 128px) var(--page-x) var(--space-8);
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 84px;
  content: "";
  background: linear-gradient(180deg, rgba(251, 251, 247, 0), var(--color-paper) 84%);
  opacity: 0.9;
  pointer-events: none;
}

.hero-background {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center center;
}

.hero-copy {
  max-width: 620px;
  color: #000000;
}

h1 {
  max-width: 760px;
  margin-bottom: var(--space-3);
  color: #000000;
  font-size: 6rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 0.98;
}

.hero-value {
  max-width: 520px;
  margin-bottom: 0;
  color: #000000;
  font-size: 2rem;
  font-weight: 720;
  line-height: 1.35;
}

.hero-feature-bridge {
  position: absolute;
  bottom: var(--space-6);
  left: var(--page-x);
  display: inline-grid;
  grid-template-columns: auto 104px;
  gap: var(--space-3);
  align-items: center;
  color: #000000;
  font-size: 0.875rem;
  font-weight: 850;
  transition: transform 220ms var(--ease-standard);
}

.hero-feature-bridge::before,
.hero-feature-bridge::after {
  display: block;
  content: "";
}

.hero-feature-bridge::before {
  position: absolute;
  right: 0;
  width: 104px;
  height: 2px;
  background: rgba(0, 0, 0, 0.36);
  transform-origin: left center;
  transition:
    background 220ms var(--ease-standard),
    transform 260ms var(--ease-standard);
}

.hero-feature-bridge::after {
  width: 12px;
  aspect-ratio: 1;
  border-radius: 999px;
  background: var(--color-coral);
  box-shadow: 0 0 0 8px rgba(216, 110, 85, 0.16);
  transition: transform 260ms var(--ease-standard);
}

.hero-feature-bridge:hover,
.hero-feature-bridge:focus-visible {
  transform: translateX(4px);
}

.hero-feature-bridge:hover::before,
.hero-feature-bridge:focus-visible::before {
  background: rgba(0, 0, 0, 0.62);
  transform: scaleX(1.12);
}

.hero-feature-bridge:hover::after,
.hero-feature-bridge:focus-visible::after {
  transform: translateX(10px);
}

.feature-band,
.device-section,
.steps-section,
.trust-section,
.faq-section {
  padding: var(--space-8) var(--page-x);
}

.section-heading {
  display: grid;
  max-width: 1120px;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.section-heading.narrow {
  max-width: 760px;
}

.section-kicker {
  margin-bottom: 0;
  color: var(--color-coral);
  font-size: 0.875rem;
  font-weight: 900;
  line-height: 1.2;
}

h2 {
  max-width: 900px;
  margin-bottom: 0;
  color: var(--color-ink);
  font-size: 3.25rem;
  font-weight: 880;
  letter-spacing: 0;
  line-height: 1.06;
}

h3 {
  color: var(--color-ink);
  letter-spacing: 0;
}

.feature-band {
  position: relative;
  overflow: hidden;
  scroll-margin-top: 24px;
  background: linear-gradient(180deg, var(--color-paper), #f5f9f7 54%, var(--color-paper));
}

.feature-band::before {
  position: absolute;
  top: 0;
  right: var(--page-x);
  left: var(--page-x);
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(20, 33, 29, 0.22), transparent);
  opacity: 0.52;
}

.feature-reveal-target {
  --reveal-index: 0;
}

.is-motion-ready .feature-reveal-target {
  opacity: 0;
  transform: translateY(52px);
  transition:
    opacity 760ms var(--ease-standard),
    transform 860ms var(--ease-standard),
    clip-path 860ms var(--ease-standard),
    filter 760ms var(--ease-standard);
  transition-delay: calc(var(--reveal-index) * 90ms);
  clip-path: inset(0 0 18% 0);
  filter: blur(8px);
}

.is-motion-ready .feature-stage.feature-reveal-target {
  transform: translateY(68px) scale(0.985);
}

.is-motion-ready .feature-reveal-target.is-visible {
  opacity: 1;
  transform: translateY(0);
  clip-path: inset(0 0 0 0);
  filter: blur(0);
}

.is-motion-ready .feature-stage.feature-reveal-target.is-visible {
  transform: translateY(0) scale(1);
}

.feature-stage {
  --stage-accent: var(--color-blue);
  --stage-accent-deep: var(--color-forest);
  --stage-accent-soft: rgba(45, 118, 163, 0.12);

  position: relative;
  isolation: isolate;
  max-width: 1180px;
  margin: 0 auto;
  overflow: hidden;
  padding: var(--space-6);
  border: 1px solid rgba(20, 33, 29, 0.12);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(245, 250, 247, 0.9)),
    var(--color-white);
  box-shadow: var(--shadow-soft);
}

.feature-stage::before {
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  left: 0;
  height: 5px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--stage-accent), transparent);
  opacity: 0.68;
}

.feature-stage::after {
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  bottom: 0;
  width: 42%;
  content: "";
  background:
    linear-gradient(115deg, transparent, rgba(255, 255, 255, 0.54) 52%, transparent),
    linear-gradient(180deg, transparent, var(--stage-accent-soft));
  opacity: 0.66;
}

.feature-stage-location {
  --stage-accent: var(--color-blue);
  --stage-accent-deep: var(--color-forest);
  --stage-accent-soft: rgba(45, 118, 163, 0.12);
}

.feature-stage-care {
  --stage-accent: var(--color-coral);
  --stage-accent-deep: #8c4635;
  --stage-accent-soft: rgba(216, 110, 85, 0.12);
}

.feature-stage-head {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) auto;
  gap: var(--space-5);
  align-items: end;
  margin-bottom: var(--space-6);
}

.feature-number {
  display: inline-flex;
  margin-bottom: var(--space-3);
  color: var(--stage-accent);
  font-size: 0.875rem;
  font-weight: 900;
}

.feature-stage-title {
  margin-bottom: var(--space-3);
  font-size: 2.25rem;
  line-height: 1.1;
}

.feature-stage-head p,
.feature-copy p,
.device-copy p,
.device-list,
.steps-grid p,
.trust-points p,
.faq-list p,
.site-footer p {
  color: var(--color-muted);
  font-size: 1rem;
}

.feature-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  justify-content: flex-end;
  padding: var(--space-1);
  border: 1px solid rgba(20, 33, 29, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 10px 28px rgba(28, 48, 42, 0.08);
}

.feature-tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.feature-tab-label {
  position: relative;
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  overflow: hidden;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 850;
  transition:
    background 220ms var(--ease-standard),
    box-shadow 220ms var(--ease-standard),
    color 180ms var(--ease-standard),
    transform 180ms var(--ease-standard);
}

.feature-tab-label::after {
  position: absolute;
  right: var(--space-2);
  bottom: 6px;
  left: var(--space-2);
  height: 2px;
  content: "";
  border-radius: 999px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  transition:
    opacity 180ms var(--ease-standard),
    transform 220ms var(--ease-standard);
}

.feature-tab-label span {
  color: inherit;
  font-size: 0.6875rem;
  font-weight: 900;
  opacity: 0.62;
}

.feature-tab-label:hover,
.feature-tab-label:focus-visible {
  color: var(--stage-accent-deep);
  transform: translateY(-1px);
}

.feature-tab-input:focus-visible ~ .feature-stage-head .feature-tabs {
  outline: 3px solid rgba(45, 118, 163, 0.24);
  outline-offset: 3px;
}

#location-safe-zone:focus-visible ~ .feature-stage-head label[for="location-safe-zone"],
#location-route:focus-visible ~ .feature-stage-head label[for="location-route"],
#location-frequency:focus-visible ~ .feature-stage-head label[for="location-frequency"],
#care-health:focus-visible ~ .feature-stage-head label[for="care-health"],
#care-record:focus-visible ~ .feature-stage-head label[for="care-record"],
#care-knowledge:focus-visible ~ .feature-stage-head label[for="care-knowledge"] {
  outline: 2px solid var(--stage-accent);
  outline-offset: 3px;
}

#location-safe-zone:checked ~ .feature-stage-head label[for="location-safe-zone"],
#location-route:checked ~ .feature-stage-head label[for="location-route"],
#location-frequency:checked ~ .feature-stage-head label[for="location-frequency"],
#care-health:checked ~ .feature-stage-head label[for="care-health"],
#care-record:checked ~ .feature-stage-head label[for="care-record"],
#care-knowledge:checked ~ .feature-stage-head label[for="care-knowledge"] {
  background: var(--stage-accent);
  color: var(--color-white);
  box-shadow: 0 10px 22px var(--stage-accent-soft);
}

#location-safe-zone:checked ~ .feature-stage-head label[for="location-safe-zone"]::after,
#location-route:checked ~ .feature-stage-head label[for="location-route"]::after,
#location-frequency:checked ~ .feature-stage-head label[for="location-frequency"]::after,
#care-health:checked ~ .feature-stage-head label[for="care-health"]::after,
#care-record:checked ~ .feature-stage-head label[for="care-record"]::after,
#care-knowledge:checked ~ .feature-stage-head label[for="care-knowledge"]::after {
  opacity: 0.66;
  transform: scaleX(1);
}

.feature-panel-stack {
  display: grid;
  position: relative;
  z-index: 1;
  min-height: 430px;
}

.feature-panel {
  display: grid;
  grid-area: 1 / 1;
  grid-template-columns: minmax(0, 0.78fr) minmax(340px, 0.92fr);
  gap: var(--space-6);
  align-items: stretch;
  padding: var(--space-6);
  border: 1px solid rgba(20, 33, 29, 0.1);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(237, 245, 242, 0.74)),
    var(--color-white);
  box-shadow: var(--shadow-tight);
  opacity: 0;
  pointer-events: none;
  transform: translateY(18px) scale(0.985);
  transition:
    opacity 260ms var(--ease-standard),
    transform 360ms var(--ease-standard),
    visibility 260ms var(--ease-standard);
  visibility: hidden;
}

#location-safe-zone:checked ~ .feature-panel-stack .feature-panel-safe-zone,
#location-route:checked ~ .feature-panel-stack .feature-panel-route,
#location-frequency:checked ~ .feature-panel-stack .feature-panel-frequency,
#care-health:checked ~ .feature-panel-stack .feature-panel-health,
#care-record:checked ~ .feature-panel-stack .feature-panel-record,
#care-knowledge:checked ~ .feature-panel-stack .feature-panel-knowledge {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  visibility: visible;
  animation: panel-glide-in 620ms var(--ease-standard) both;
}

#location-safe-zone:checked ~ .feature-panel-stack .feature-panel-safe-zone .feature-copy,
#location-route:checked ~ .feature-panel-stack .feature-panel-route .feature-copy,
#location-frequency:checked ~ .feature-panel-stack .feature-panel-frequency .feature-copy,
#care-health:checked ~ .feature-panel-stack .feature-panel-health .feature-copy,
#care-record:checked ~ .feature-panel-stack .feature-panel-record .feature-copy,
#care-knowledge:checked ~ .feature-panel-stack .feature-panel-knowledge .feature-copy {
  animation: panel-content-rise 560ms var(--ease-standard) both;
}

#location-safe-zone:checked ~ .feature-panel-stack .feature-panel-safe-zone .location-visual,
#location-route:checked ~ .feature-panel-stack .feature-panel-route .location-visual,
#location-frequency:checked ~ .feature-panel-stack .feature-panel-frequency .location-visual,
#care-health:checked ~ .feature-panel-stack .feature-panel-health .care-visual,
#care-record:checked ~ .feature-panel-stack .feature-panel-record .care-visual,
#care-knowledge:checked ~ .feature-panel-stack .feature-panel-knowledge .care-visual {
  animation: panel-visual-pop 680ms var(--ease-standard) both;
}

.feature-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.feature-panel-index {
  display: inline-flex;
  margin-bottom: var(--space-4);
  color: var(--stage-accent);
  font-size: 0.8125rem;
  font-weight: 900;
}

.feature-copy h4 {
  max-width: 560px;
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
  font-size: 2rem;
  font-weight: 880;
  letter-spacing: 0;
  line-height: 1.12;
}

.feature-copy p {
  max-width: 560px;
  margin-bottom: var(--space-6);
}

.feature-facts {
  display: grid;
  max-width: 480px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: auto 0 0;
}

.feature-facts div {
  padding-top: var(--space-3);
  border-top: 1px solid var(--stage-accent-soft);
}

.feature-facts dt {
  margin-bottom: var(--space-1);
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 900;
}

.feature-facts dd {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.location-visual,
.care-visual {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--stage-accent-soft);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.52);
}

.location-visual {
  background:
    linear-gradient(90deg, rgba(45, 118, 163, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(45, 118, 163, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, rgba(47, 148, 107, 0.18), rgba(45, 118, 163, 0.11) 52%, rgba(217, 169, 63, 0.14));
  background-size:
    38px 38px,
    38px 38px,
    100% 100%;
}

.care-visual {
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 255, 255, 0.94), transparent 20%),
    linear-gradient(135deg, rgba(255, 238, 216, 0.8), rgba(238, 247, 241, 0.88));
}

.location-visual > span,
.care-visual > span,
.dog-pin {
  position: absolute;
  display: block;
}

.map-grid {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.72;
}

.map-lake {
  right: -42px;
  bottom: -34px;
  width: 48%;
  aspect-ratio: 1.5 / 1;
  border-radius: 46% 54% 42% 58%;
  background: rgba(45, 118, 163, 0.16);
}

.zone-shape {
  top: 62px;
  right: 66px;
  width: 210px;
  height: 180px;
  clip-path: polygon(28% 8%, 78% 18%, 92% 64%, 48% 94%, 10% 58%);
  background: rgba(45, 118, 163, 0.18);
  outline: 2px solid rgba(45, 118, 163, 0.62);
}

.zone-point {
  width: 16px;
  aspect-ratio: 1;
  border: 4px solid var(--color-white);
  border-radius: 999px;
  background: var(--color-blue);
  box-shadow: 0 8px 18px rgba(45, 118, 163, 0.22);
}

.zone-point-one {
  top: 60px;
  right: 202px;
}

.zone-point-two {
  top: 80px;
  right: 96px;
}

.zone-point-three {
  top: 172px;
  right: 80px;
}

.zone-point-four {
  top: 224px;
  right: 172px;
}

.dog-pin {
  left: 28%;
  bottom: 28%;
  width: 24px;
  aspect-ratio: 1;
  border: 5px solid var(--color-white);
  border-radius: 999px;
  background: var(--color-coral);
  box-shadow: 0 0 0 10px rgba(216, 110, 85, 0.18);
}

.route-path {
  border-radius: 999px;
}

.route-path-main {
  top: 86px;
  left: 58px;
  width: 72%;
  height: 180px;
  border-bottom: 10px solid rgba(216, 110, 85, 0.54);
  border-left: 10px solid rgba(47, 148, 107, 0.36);
  transform: rotate(-8deg);
}

.route-path-shadow {
  right: 56px;
  bottom: 88px;
  width: 48%;
  height: 80px;
  border-top: 8px dashed rgba(45, 118, 163, 0.32);
  transform: rotate(6deg);
}

.route-stop {
  width: 18px;
  aspect-ratio: 1;
  border: 4px solid var(--color-white);
  border-radius: 999px;
  background: var(--color-leaf);
  box-shadow: 0 8px 16px rgba(47, 148, 107, 0.18);
}

.route-stop-one {
  top: 102px;
  left: 88px;
}

.route-stop-two {
  top: 196px;
  left: 48%;
  background: var(--color-gold);
}

.route-stop-three {
  right: 70px;
  bottom: 84px;
  background: var(--color-coral);
}

.route-playhead {
  top: 160px;
  left: 38%;
  width: 28px;
  aspect-ratio: 1;
  border: 6px solid rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  background: var(--color-coral);
  box-shadow: 0 0 0 14px rgba(216, 110, 85, 0.14);
}

.route-timeline {
  right: 44px;
  bottom: 34px;
  left: 44px;
  height: 8px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--color-coral) 42%, rgba(255, 255, 255, 0.7) 42%),
    rgba(255, 255, 255, 0.7);
}

.frequency-ring {
  top: 50%;
  left: 50%;
  border-radius: 999px;
  transform: translate(-50%, -50%);
}

.frequency-ring-outer {
  width: 260px;
  aspect-ratio: 1;
  border: 1px solid rgba(45, 118, 163, 0.28);
}

.frequency-ring-inner {
  width: 150px;
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 48px rgba(28, 48, 42, 0.12);
}

.frequency-node {
  display: inline-flex;
  min-width: 72px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(20, 33, 29, 0.08);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 900;
  box-shadow: 0 14px 28px rgba(28, 48, 42, 0.1);
}

.frequency-node-calm {
  top: 64px;
  left: 72px;
}

.frequency-node-walk {
  top: 44%;
  right: 58px;
  background: var(--color-blue);
  color: var(--color-white);
}

.frequency-node-alert {
  bottom: 72px;
  left: 38%;
  background: var(--color-coral);
  color: var(--color-white);
}

.frequency-signal {
  top: 50%;
  left: 50%;
  border: 2px solid rgba(45, 118, 163, 0.22);
  border-radius: 999px;
  transform: translate(-50%, -50%);
}

.frequency-signal-one {
  width: 130px;
  aspect-ratio: 1;
}

.frequency-signal-two {
  width: 220px;
  aspect-ratio: 1;
}

.care-divider {
  position: relative;
  display: grid;
  max-width: 1180px;
  grid-template-columns: minmax(32px, 1fr) auto auto auto minmax(32px, 1fr);
  gap: var(--space-3);
  align-items: center;
  margin: var(--space-7) auto;
  color: var(--color-ink);
}

.care-divider::before,
.care-divider::after {
  position: absolute;
  left: 50%;
  width: 1px;
  height: var(--space-6);
  content: "";
  background: linear-gradient(180deg, transparent, rgba(216, 110, 85, 0.42), transparent);
}

.care-divider::before {
  bottom: calc(100% + var(--space-2));
}

.care-divider::after {
  top: calc(100% + var(--space-2));
}

.care-divider-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(20, 33, 29, 0.2), transparent);
}

.care-divider strong {
  font-size: 1.25rem;
  font-weight: 900;
  white-space: nowrap;
}

.health-orbit {
  inset: 56px 66px;
  border: 1px solid rgba(216, 110, 85, 0.18);
  border-radius: 999px;
  transform: rotate(-8deg);
}

.health-chart {
  bottom: 70px;
  width: 54px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: linear-gradient(180deg, var(--color-coral), rgba(216, 110, 85, 0.28));
  transform-origin: bottom center;
}

.health-chart-one {
  left: 82px;
  height: 118px;
}

.health-chart-two {
  left: 160px;
  height: 172px;
  background: linear-gradient(180deg, var(--color-leaf), rgba(47, 148, 107, 0.26));
}

.health-chart-three {
  left: 238px;
  height: 142px;
  background: linear-gradient(180deg, var(--color-blue), rgba(45, 118, 163, 0.24));
}

.health-pulse {
  right: 74px;
  top: 90px;
  width: 116px;
  height: 72px;
  border-top: 6px solid rgba(216, 110, 85, 0.62);
  border-right: 6px solid rgba(216, 110, 85, 0.4);
  border-radius: 42px;
  transform: rotate(10deg);
}

.health-score {
  right: 92px;
  bottom: 78px;
  display: inline-flex;
  width: 92px;
  aspect-ratio: 1;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-coral);
  font-size: 2rem;
  font-weight: 900;
  box-shadow: 0 18px 46px rgba(216, 110, 85, 0.18);
}

.record-line {
  top: 58px;
  bottom: 58px;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(20, 33, 29, 0.18), transparent);
}

.record-item {
  display: inline-flex;
  min-width: 116px;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(20, 33, 29, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  color: var(--color-ink);
  font-size: 0.9375rem;
  font-weight: 900;
  box-shadow: 0 14px 28px rgba(28, 48, 42, 0.1);
}

.record-item-one {
  top: 64px;
  left: 18%;
}

.record-item-two {
  top: 132px;
  right: 18%;
  color: var(--color-blue);
}

.record-item-three {
  bottom: 130px;
  left: 16%;
  color: var(--color-coral);
}

.record-item-four {
  right: 20%;
  bottom: 62px;
  color: var(--color-leaf);
}

.knowledge-card {
  display: flex;
  width: 210px;
  height: 138px;
  align-items: flex-end;
  padding: var(--space-4);
  border: 1px solid rgba(20, 33, 29, 0.08);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.82), rgba(255, 236, 210, 0.9)),
    var(--color-white);
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 900;
  box-shadow: 0 18px 42px rgba(28, 48, 42, 0.12);
}

.knowledge-card-front {
  top: 88px;
  left: 50%;
  z-index: 3;
  transform: translateX(-50%) rotate(-2deg);
}

.knowledge-card-middle {
  top: 128px;
  left: 25%;
  z-index: 2;
  background: linear-gradient(145deg, rgba(237, 245, 242, 0.95), rgba(255, 255, 255, 0.82));
  transform: rotate(7deg);
}

.knowledge-card-back {
  top: 72px;
  right: 20%;
  z-index: 1;
  background: linear-gradient(145deg, rgba(232, 239, 255, 0.9), rgba(255, 255, 255, 0.82));
  transform: rotate(-9deg);
}

.knowledge-spark {
  width: 18px;
  aspect-ratio: 1;
  border-radius: 999px;
  background: var(--color-gold);
}

.knowledge-spark-one {
  top: 76px;
  left: 18%;
}

.knowledge-spark-two {
  right: 18%;
  bottom: 86px;
  background: var(--color-coral);
}

.device-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 0.82fr);
  gap: clamp(36px, 7vw, 92px);
  align-items: center;
  background: var(--color-white);
}

.device-copy {
  max-width: 720px;
}

.device-copy h2 {
  margin-bottom: var(--space-5);
}

.device-list {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.device-list li {
  position: relative;
  padding-left: var(--space-5);
}

.device-list li::before {
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 8px;
  aspect-ratio: 1;
  border-radius: 999px;
  content: "";
  background: var(--color-leaf);
}

.device-visuals {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(170px, 0.48fr);
  gap: var(--space-4);
  align-items: center;
}

.collar-render,
.app-card {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  box-shadow: var(--shadow-soft);
}

.collar-render {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.app-card {
  align-self: end;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.steps-grid article {
  min-height: 280px;
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(237, 245, 242, 0.55), rgba(255, 255, 255, 0.96)),
    var(--color-white);
}

.steps-grid span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-7);
  border-radius: 999px;
  background: var(--color-ink);
  color: var(--color-white);
  font-weight: 900;
}

.steps-grid h3 {
  margin-bottom: var(--space-3);
  font-size: 1.5rem;
}

.trust-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: start;
  background: var(--color-ink);
  color: var(--color-white);
}

.trust-section h2,
.trust-section h3 {
  color: var(--color-white);
}

.trust-section .section-kicker {
  color: #f0c66a;
}

.trust-points {
  display: grid;
  gap: var(--space-4);
}

.trust-points article {
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.trust-points article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.trust-points h3 {
  margin-bottom: var(--space-2);
  font-size: 1.25rem;
}

.trust-points p {
  color: rgba(255, 255, 255, 0.72);
}

.faq-section {
  background: linear-gradient(180deg, var(--color-paper), #f0f6f5);
}

.faq-list {
  display: grid;
  max-width: 980px;
  gap: var(--space-3);
}

.faq-list details {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: 0 10px 24px rgba(28, 48, 42, 0.06);
}

.faq-list summary {
  cursor: pointer;
  padding: var(--space-5);
  color: var(--color-ink);
  font-size: 1.0625rem;
  font-weight: 850;
}

.faq-list p {
  margin: 0;
  padding: 0 var(--space-5) var(--space-5);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-6) var(--page-x);
  border-top: 1px solid var(--color-line);
  background: var(--color-white);
}

.footer-brand {
  display: inline-flex;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
  font-size: 1.125rem;
  font-weight: 900;
}

.site-footer p {
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-4);
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 760;
}

@keyframes soft-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}

@keyframes bridge-drift {
  0%,
  100% {
    opacity: 0.55;
    transform: translateX(0);
  }
  50% {
    opacity: 1;
    transform: translateX(24px);
  }
}

@keyframes hero-feature-wash {
  0%,
  100% {
    opacity: 0.58;
    transform: translateY(18px);
  }
  50% {
    opacity: 0.9;
    transform: translateY(0);
  }
}

@keyframes feature-drop-line {
  0%,
  100% {
    opacity: 0.36;
    transform: scaleY(0.72);
  }
  50% {
    opacity: 0.78;
    transform: scaleY(1);
  }
}

@keyframes panel-glide-in {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes panel-content-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes panel-visual-pop {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes route-flow {
  0%,
  100% {
    border-top-color: rgba(45, 118, 163, 0.22);
    transform: rotate(6deg) translateX(-4px);
  }
  50% {
    border-top-color: rgba(45, 118, 163, 0.44);
    transform: rotate(6deg) translateX(8px);
  }
}

@keyframes playhead-drift {
  0%,
  100% {
    transform: translate(-18px, -10px);
  }
  50% {
    transform: translate(28px, 16px);
  }
}

@keyframes signal-bloom {
  0% {
    opacity: 0.75;
    transform: translate(-50%, -50%) scale(0.82);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.28);
  }
}

@keyframes ring-pulse {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.08);
  }
}

@keyframes divider-pulse {
  0%,
  100% {
    opacity: 0.58;
    transform: scale(0.92);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@keyframes chart-breathe {
  0%,
  100% {
    transform: scaleY(0.82);
  }
  50% {
    transform: scaleY(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 1040px) {
  h1 {
    font-size: 3.75rem;
  }

  h2 {
    font-size: 2.75rem;
  }

  .nav-links {
    display: none;
  }

  .device-section,
  .trust-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: clamp(88px, 12vw, 118px);
  }

  .feature-stage-head,
  .feature-panel {
    grid-template-columns: 1fr;
  }

  .feature-tabs {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  :root {
    --page-x: 18px;
  }

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

  .header-action {
    display: none;
  }

  .hero {
    padding-top: 78px;
    padding-bottom: var(--space-5);
  }

  .hero-feature-bridge {
    bottom: var(--space-5);
    grid-template-columns: auto 74px;
  }

  .hero-feature-bridge::before {
    width: 74px;
  }

  h1 {
    font-size: 2.875rem;
    line-height: 1.04;
  }

  .hero-value {
    font-size: 1.35rem;
  }

  h2 {
    font-size: 2.125rem;
  }

  .feature-band,
  .device-section,
  .steps-section,
  .trust-section,
  .faq-section {
    padding-top: var(--space-7);
    padding-bottom: var(--space-7);
  }

  .steps-grid,
  .device-visuals {
    grid-template-columns: 1fr;
  }

  .feature-stage,
  .feature-panel,
  .steps-grid article {
    min-height: auto;
    padding: var(--space-5);
  }

  .feature-stage-head {
    gap: var(--space-4);
    margin-bottom: var(--space-4);
  }

  .feature-stage-title {
    font-size: 1.85rem;
  }

  .feature-tabs {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .feature-tab-label {
    min-height: 40px;
  }

  .feature-panel-stack {
    min-height: 0;
  }

  .feature-copy h4 {
    font-size: 1.55rem;
  }

  .feature-facts {
    grid-template-columns: 1fr;
  }

  .location-visual,
  .care-visual {
    min-height: 300px;
  }

  .device-list li {
    padding-left: var(--space-4);
  }

  .site-footer {
    display: grid;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 1.875rem;
  }
}