:root {
  --green: #14472f;
  --green-deep: #0b2f22;
  --green-dark: #08261b;
  --cream: #fbf3e8;
  --surface: #f1e8da;
  --gold: #c9a961;
  --ink: #13251c;
  --muted: #526159;
  --cream-muted: #d8d0c3;
  --line: rgba(20, 71, 47, 0.18);
  --line-light: rgba(251, 243, 232, 0.18);
  --shell: min(1240px, calc(100vw - 64px));
  --display: "Noto Sans TC", sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--display);
  font-size: 16px;
  line-height: 1.7;
  line-break: strict;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
}

button {
  border: 0;
}

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

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

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

p,
li,
dd {
  text-wrap: pretty;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(2.35rem, 4.2vw, 4.7rem);
  font-weight: 800;
}

h3 {
  font-size: 1.2rem;
}

::selection {
  background: var(--gold);
  color: var(--green-deep);
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.shell,
.nav-shell,
.hero-shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding-block: clamp(96px, 11vw, 152px);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--green-deep);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 180ms var(--ease);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 243, 232, 0.94);
  backdrop-filter: blur(14px);
}

.nav-shell {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  column-gap: clamp(22px, 3vw, 48px);
  min-height: 76px;
}

.brand {
  justify-self: start;
}

.brand img {
  width: 72px;
  height: 58px;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  gap: clamp(16px, 2vw, 28px);
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.desktop-nav a,
.nav-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
}

.desktop-nav a {
  position: relative;
  color: var(--muted);
  white-space: nowrap;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--green);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 240ms var(--ease);
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  justify-self: end;
  padding: 10px 19px;
  border: 1px solid var(--green);
  border-radius: 999px;
  color: var(--green);
  transition: color 180ms var(--ease), background-color 180ms var(--ease), transform 180ms var(--ease);
}

.nav-cta:hover {
  background: var(--green);
  color: var(--cream);
}

.nav-cta:active,
.button:active,
.route-switch button:active {
  transform: scale(0.98);
}

.hero {
  min-height: calc(100svh - 77px);
  display: grid;
  align-items: center;
  padding-block: clamp(44px, 6vw, 84px);
  background: var(--green-deep);
  color: var(--cream);
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.98fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}

.section-marker {
  margin-bottom: 24px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.hero h1 {
  max-width: 790px;
  margin-bottom: 28px;
  color: var(--cream);
  font-size: clamp(3.3rem, 5.4vw, 5.85rem);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.hero h1 span {
  color: var(--gold);
}

.hero-lede {
  max-width: 650px;
  margin-bottom: 34px;
  color: var(--cream-muted);
  font-size: clamp(1.05rem, 1.4vw, 1.28rem);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 44px;
}

.hero-actions p {
  max-width: 230px;
  margin-bottom: 0;
  color: var(--cream-muted);
  font-size: 0.82rem;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 180ms var(--ease), background-color 180ms var(--ease), color 180ms var(--ease), opacity 180ms var(--ease);
}

.button--primary {
  background: var(--gold);
  color: var(--green-deep);
}

.button--primary:hover:not(:disabled) {
  background: var(--cream);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.button--primary:disabled {
  background: #bba66f;
  color: var(--green-deep);
}

.proof-strip {
  border-top: 1px solid rgba(201, 169, 97, 0.42);
  border-bottom: 1px solid rgba(201, 169, 97, 0.28);
  background: var(--green);
  color: var(--cream);
}

.proof-strip p {
  display: grid;
  grid-template-columns: 0.9fr minmax(320px, 1.5fr) 0.9fr;
  align-items: center;
  margin: 0;
  font-size: 0.82rem;
}

.proof-strip p > * {
  display: flex;
  min-height: 88px;
  align-items: center;
  padding-block: 20px;
}

.proof-strip strong {
  padding-inline: 30px;
  border-right: 1px solid rgba(201, 169, 97, 0.28);
  border-left: 1px solid rgba(201, 169, 97, 0.28);
  color: var(--gold);
  font-size: 1.02rem;
  line-height: 1.55;
}

.proof-strip span {
  color: var(--cream-muted);
}

.proof-strip span:last-child {
  text-align: right;
}

.hero-photo {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--surface);
}

.hero-photo img {
  width: 100%;
  height: clamp(390px, 40vw, 510px);
  object-fit: cover;
  object-position: 50% 50%;
  transition: transform 850ms var(--ease);
}

.hero-photo:hover img {
  transform: scale(1.035);
}

.hero-photo figcaption {
  padding: 17px 16px 18px;
  border-top: 1px solid rgba(201, 169, 97, 0.42);
  background: var(--green-dark);
  color: var(--cream-muted);
}

.hero-photo figcaption ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-photo figcaption li {
  padding-inline: 8px;
  border-left: 1px solid rgba(201, 169, 97, 0.42);
  font-size: 0.72rem;
  line-height: 1.6;
  text-align: center;
}

.hero-photo figcaption li:first-child {
  border-left: 0;
}

.hero-photo figcaption p {
  margin: 14px 8px 0;
  padding-top: 12px;
  border-top: 1px solid rgba(251, 243, 232, 0.12);
  color: var(--cream-muted);
  font-size: 0.78rem;
}

.diagnosis-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(56px, 7vw, 100px);
  align-items: start;
}

.diagnosis-intro {
  position: sticky;
  top: 132px;
}

.diagnosis-intro h2 {
  font-size: clamp(2.45rem, 3.7vw, 4rem);
}

.diagnosis-intro > p:last-child {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.08rem;
}

.diagnosis-list {
  padding-top: 0;
}

.diagnosis-row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.diagnosis-row__signal {
  align-self: start;
  padding-top: 4px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.diagnosis-row h3 {
  margin-bottom: 12px;
  color: var(--green);
  font-size: 1.35rem;
}

.diagnosis-row p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
}

.diagnosis-close {
  position: relative;
  margin: 44px 0 0 94px;
  padding: 26px 30px;
  border-radius: 0;
  background: var(--green);
  color: var(--cream);
  font-weight: 700;
}

.diagnosis-close::before {
  display: none;
}

.services {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.services-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: clamp(48px, 9vw, 132px);
  align-items: end;
  margin-bottom: clamp(56px, 7vw, 88px);
}

.services-intro h2 {
  max-width: 760px;
  margin: 0;
  color: var(--green);
  font-size: clamp(3.15rem, 6vw, 6rem);
  letter-spacing: -0.04em;
}

.services-intro p {
  max-width: 560px;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 1.05rem;
}

.services-list {
  position: relative;
  border-top: 1px solid var(--green);
}

.services-list::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 44px;
  width: 1px;
  background: var(--line);
  content: "";
}

.services-list article {
  position: relative;
  display: grid;
  grid-template-columns: 106px minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(24px, 4vw, 58px);
  align-items: center;
  padding: clamp(26px, 3vw, 38px) 0;
  border-bottom: 1px solid var(--line);
}

.service-icon {
  display: grid;
  position: relative;
  width: 88px;
  height: 104px;
  place-items: center;
  background: var(--surface);
  color: var(--cream);
}

.service-icon svg {
  width: 88px;
  height: 104px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.5;
}

.service-icon__frame {
  fill: var(--green);
  stroke: var(--green);
  stroke-width: 1.25;
}

.service-icon__accent {
  stroke: var(--gold);
}

.service-icon circle.service-icon__accent {
  fill: var(--gold);
  stroke: var(--green);
  stroke-width: 1.5;
}

.services-list h3 {
  margin: 0;
  overflow: hidden;
  color: var(--green);
  font-size: clamp(1.65rem, 2.7vw, 3rem);
  letter-spacing: -0.035em;
}

.services-list h3 span {
  display: block;
}

.motion-ready .services-list article.is-visible h3 span {
  animation: service-title-in 720ms var(--ease) both;
  animation-delay: 70ms;
}

.motion-ready .services-list article.is-visible .service-icon svg {
  animation: service-mark-in 720ms var(--ease) both;
}

@keyframes service-title-in {
  from { opacity: 0; transform: translateY(70%); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes service-mark-in {
  from { opacity: 0; transform: translateY(12px) rotate(-5deg); }
  to { opacity: 1; transform: translateY(0) rotate(0); }
}

.services-list p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.services-list article::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  width: clamp(42px, 6vw, 78px);
  height: 1px;
  background: var(--gold);
  content: "";
  transform-origin: right;
}

.motion-ready .services-list article::after {
  transform: scaleX(0);
}

.motion-ready .services-list article.is-visible::after {
  transform: scaleX(1);
  transition: transform 720ms var(--ease);
}

.system-section {
  position: relative;
  overflow: hidden;
  padding-block: clamp(100px, 11vw, 150px);
  background: var(--green-deep);
  color: var(--cream);
}

.system-section::before {
  position: absolute;
  top: 9%;
  right: -9vw;
  width: 33vw;
  height: 33vw;
  border: 1px solid rgba(201, 169, 97, 0.1);
  border-radius: 50%;
  content: "";
}

.section-marker--gold {
  color: var(--gold);
}

.system-section__intro {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: end;
  margin-bottom: 70px;
}

.system-section__intro .section-marker {
  grid-column: 1 / -1;
}

.system-section__intro h2 {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--cream);
}

.system-section__intro > p:last-child {
  max-width: 440px;
  margin: 0 0 8px auto;
  color: var(--cream-muted);
}

.route-console {
  position: relative;
  z-index: 1;
  padding: clamp(28px, 4vw, 54px);
  border: 1px solid rgba(201, 169, 97, 0.32);
  border-radius: 2px;
  background: var(--green-dark);
}

.route-console__question {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line-light);
}

.route-console__question > p {
  margin: 0;
  font-weight: 800;
}

.route-switch {
  display: flex;
  gap: 0;
  padding: 0;
  border: 1px solid var(--line-light);
  border-radius: 2px;
  overflow: hidden;
}

.route-switch button {
  min-height: 44px;
  padding: 8px 16px;
  border-radius: 0;
  background: transparent;
  color: var(--cream-muted);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: color 180ms var(--ease), background-color 180ms var(--ease), transform 180ms var(--ease);
}

.route-switch button + button {
  border-left: 1px solid var(--line-light);
}

.route-switch button[aria-pressed="true"] {
  background: var(--gold);
  color: var(--green-dark);
}

.route-console__paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 88px minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
  padding-block: 34px;
}

.route-card {
  padding: clamp(26px, 3vw, 40px);
  border: 1px solid rgba(251, 243, 232, 0.18);
  border-radius: 0;
  background: rgba(251, 243, 232, 0.04);
  transition: opacity 260ms var(--ease), transform 260ms var(--ease), border-color 260ms var(--ease), background-color 260ms var(--ease);
}

.route-card__head {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 28px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.route-card__head span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
}

.route-card__head p {
  margin: 0;
}

.route-card h3 {
  max-width: 390px;
  margin-bottom: 28px;
  font-size: clamp(1.7rem, 2.2vw, 2.35rem);
}

.route-card ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  color: var(--cream-muted);
  list-style: none;
}

.route-card li {
  position: relative;
  padding-left: 20px;
}

.route-card li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  content: "";
}

.route-console__paths[data-route-state="a"] .route-card--b,
.route-console__paths[data-route-state="b"] .route-card--a {
  opacity: 0.68;
}

.route-console__paths[data-route-state="a"] .route-card--a,
.route-console__paths[data-route-state="b"] .route-card--b,
.route-console__paths[data-route-state="both"] .route-card {
  border-color: rgba(201, 169, 97, 0.55);
  background: rgba(251, 243, 232, 0.07);
}

.route-connector {
  display: grid;
  grid-template-rows: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  justify-items: center;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.route-connector span {
  width: 1px;
  height: 100%;
  background: rgba(201, 169, 97, 0.42);
}

.route-console__status {
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-light);
  color: var(--gold);
  text-align: center;
  font-size: 0.86rem;
}

.process {
  padding-top: clamp(100px, 11vw, 150px);
}

.process-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  align-items: end;
  margin-bottom: 66px;
}

.process-heading h2 {
  margin-bottom: 0;
  font-size: clamp(2.5rem, 4.4vw, 4.6rem);
}

.process-heading p {
  max-width: 430px;
  margin: 0 0 7px auto;
  color: var(--cream-muted);
  font-size: 0.88rem;
}

.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-track::before {
  position: absolute;
  top: 16px;
  right: 0;
  left: 0;
  height: 1px;
  background: rgba(201, 169, 97, 0.45);
  content: "";
}

.process-track li {
  position: relative;
  padding: 58px 24px 0 0;
}

.process-track li::before {
  position: absolute;
  top: 10px;
  left: 0;
  width: 13px;
  height: 13px;
  border: 4px solid var(--green-deep);
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
  content: "";
}

.process-track span {
  display: block;
  margin-bottom: 16px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.process-track h3 {
  min-height: 2.4em;
  margin-bottom: 12px;
  font-size: 1rem;
}

.process-track p {
  margin-bottom: 0;
  color: var(--cream-muted);
  font-size: 0.82rem;
  line-height: 1.75;
}

.evidence {
  background: var(--cream);
}

.evidence-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 56px;
}

.evidence-head .section-marker {
  margin-bottom: 12px;
}

.evidence-head h2 {
  max-width: 760px;
  margin: 0;
}

.evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 26px;
  margin-bottom: 28px;
}

.evidence-number {
  display: flex;
  min-height: 0;
  flex-direction: column;
  justify-content: flex-start;
  padding: clamp(32px, 5vw, 64px);
  border-radius: 2px;
  background: var(--green);
  color: var(--cream);
}

.evidence-number > p:first-child {
  display: flex;
  align-items: flex-start;
  margin-bottom: 32px;
  color: var(--gold);
  line-height: 0.8;
}

.evidence-number strong {
  font-size: clamp(7rem, 14vw, 12rem);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.evidence-number > p:first-child span {
  margin: 10px 0 0 6px;
  font-family: var(--mono);
  font-size: 2rem;
}

.evidence-number h3 {
  margin-bottom: 16px;
  font-size: clamp(1.65rem, 3vw, 2.8rem);
}

.evidence-number > p:last-child {
  max-width: 480px;
  margin-bottom: 0;
  color: var(--cream-muted);
}

.fit-panel {
  display: grid;
  gap: 26px;
}

.fit-panel article {
  display: grid;
  grid-template-columns: 145px 1fr;
  align-content: center;
  padding: clamp(30px, 4vw, 54px);
  border: 1px solid var(--line);
  border-radius: 0;
}

.fit-panel article:last-child {
  background: var(--surface);
}

.fit-panel span {
  grid-row: 1 / 3;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.fit-panel h3 {
  margin-bottom: 12px;
  color: var(--green);
  font-size: clamp(1.45rem, 2vw, 2.1rem);
}

.fit-panel p {
  margin: 0;
  color: var(--muted);
}

.product-showcase {
  margin-top: clamp(76px, 10vw, 144px);
  border-top: 1px solid var(--line);
}

.product-showcase__intro {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: end;
  padding-block: clamp(42px, 6vw, 76px);
}

.product-showcase__intro h3 {
  max-width: 680px;
  margin: 0;
  color: var(--green);
  font-size: clamp(2.35rem, 4vw, 4.25rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.product-showcase__intro p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
}

.product-showcase__link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 24px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--green);
  color: var(--green);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.product-showcase__link:hover {
  border-color: var(--gold);
  color: var(--muted);
}

.product-showcase__collection {
  display: grid;
  grid-template-columns: minmax(140px, 0.34fr) minmax(0, 1.66fr);
  gap: clamp(24px, 4vw, 60px);
  padding-block: clamp(30px, 4vw, 52px);
  border-top: 1px solid var(--line);
}

.product-showcase__collection:last-child {
  border-bottom: 1px solid var(--line);
}

.product-showcase__label span {
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.product-showcase__label h4 {
  margin: 0;
  color: var(--green);
  font-size: clamp(1.55rem, 2.5vw, 2.5rem);
}

.product-showcase__photos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--line);
}

.product-showcase figure {
  position: relative;
  aspect-ratio: 3 / 2;
  margin: 0;
  overflow: hidden;
  background: var(--green);
}

.product-showcase img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.product-showcase figure:hover img {
  transform: scale(1.025);
}

.product-showcase figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 14px 16px;
  background: rgba(11, 47, 34, 0.92);
  color: var(--cream);
  font-size: 0.9rem;
  font-weight: 600;
}

.product-hero {
  padding-block: clamp(64px, 8vw, 116px) clamp(80px, 10vw, 144px);
  background: var(--green-deep);
  color: var(--cream);
}

.product-hero__copy {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: clamp(48px, 8vw, 118px);
  align-items: end;
}

.back-link {
  display: inline-block;
  margin-bottom: 46px;
  color: var(--cream-muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.back-link::before {
  content: "← ";
}

.back-link:hover {
  color: var(--gold);
}

.product-hero h1 {
  max-width: 940px;
  margin: 0;
  font-size: clamp(3.25rem, 6.6vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.product-hero__copy > p {
  margin: 0 0 4px;
  color: var(--cream-muted);
}

.product-hero__strip {
  display: grid;
  grid-template-columns: 1.5fr 0.75fr 0.75fr;
  gap: 3px;
  margin-top: clamp(54px, 8vw, 106px);
  background: rgba(251, 243, 232, 0.2);
}

.product-hero__strip figure {
  aspect-ratio: 1 / 1;
  margin: 0;
  overflow: hidden;
  background: var(--green-dark);
}

.product-hero__strip .product-hero__feature {
  aspect-ratio: 3 / 2;
}

.product-hero__strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.catalog-section {
  border-bottom: 1px solid var(--line);
}

.catalog-section--dark {
  border-color: var(--line-light);
  background: var(--green);
  color: var(--cream);
}

.catalog-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.45fr) minmax(0, 1.55fr);
  gap: clamp(48px, 8vw, 118px);
  align-items: start;
}

.catalog-heading {
  position: sticky;
  top: 118px;
}

.catalog-heading h2 {
  margin-bottom: 28px;
  color: var(--green);
  font-size: clamp(2.6rem, 4vw, 4.5rem);
}

.catalog-heading > p:last-child {
  max-width: 340px;
  margin: 0;
  color: var(--muted);
}

.catalog-section--dark .catalog-heading h2 {
  color: var(--gold);
}

.catalog-section--dark .catalog-heading > p:last-child {
  color: var(--cream-muted);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: clamp(280px, 26vw, 380px);
  gap: 3px;
  background: var(--line);
}

.catalog-section--dark .catalog-grid {
  background: rgba(251, 243, 232, 0.18);
}

.catalog-grid figure {
  position: relative;
  grid-column: span 5;
  margin: 0;
  overflow: hidden;
  background: var(--surface);
}

.catalog-grid figure:nth-child(4n + 1),
.catalog-grid figure:nth-child(4n + 4) {
  grid-column: span 7;
}

.catalog-grid--reverse figure:nth-child(4n + 1),
.catalog-grid--reverse figure:nth-child(4n + 4) {
  grid-column: span 5;
}

.catalog-grid--reverse figure:nth-child(4n + 2),
.catalog-grid--reverse figure:nth-child(4n + 3) {
  grid-column: span 7;
}

.catalog-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}

.catalog-grid figure:hover img {
  transform: scale(1.025);
}

.catalog-grid figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 15px 18px;
  background: rgba(8, 38, 27, 0.92);
  color: var(--cream);
  font-size: 0.88rem;
  font-weight: 600;
}

.catalog-grid figcaption span {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.product-note {
  padding-block: 24px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.product-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.product-closing {
  background: var(--green-deep);
  color: var(--cream);
}

.product-closing__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: clamp(48px, 9vw, 136px);
  align-items: end;
}

.product-closing h2 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.75rem, 5vw, 5.5rem);
}

.product-closing__action {
  padding: 30px;
  border: 1px solid rgba(251, 243, 232, 0.24);
  background: rgba(8, 38, 27, 0.36);
}

.product-closing__action p {
  margin-bottom: 22px;
  color: var(--cream-muted);
}

.product-closing__action .button {
  width: 100%;
  text-decoration: none;
}

.product-closing__action a.button {
  background: var(--gold);
  color: var(--green-deep);
}

.product-closing__action a.button:hover {
  background: var(--cream);
}

.product-closing__action .button + .button {
  margin-top: 10px;
}

.motion-ready .product-hero [data-reveal] {
  opacity: 1;
  transform: none;
}

.commitments {
  padding-top: 24px;
}

.commitments-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.83fr) minmax(0, 1.17fr);
  gap: clamp(60px, 10vw, 150px);
  padding-top: clamp(90px, 9vw, 130px);
  border-top: 1px solid var(--line);
}

.commitments-heading {
  position: sticky;
  top: 132px;
  align-self: start;
}

.commitments-heading h2 {
  font-size: clamp(2.4rem, 4vw, 4.25rem);
}

.commitment-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.commitment-list li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 20px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.commitment-list > li > span {
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.commitment-list h3 {
  margin-bottom: 10px;
  color: var(--green);
  font-size: 1.35rem;
}

.commitment-list p {
  margin: 0;
  color: var(--muted);
}

.faq {
  background: var(--surface);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(60px, 10vw, 150px);
}

.faq h2 {
  font-size: clamp(2.5rem, 4.2vw, 4.4rem);
}

.faq-list details {
  border-bottom: 1px solid rgba(20, 71, 47, 0.22);
}

.faq-list summary {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--green);
  font-size: 1.08rem;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  font-family: var(--mono);
  font-size: 1.3rem;
  font-weight: 400;
  transition: transform 220ms var(--ease);
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 660px;
  margin: -4px 0 28px;
  color: var(--muted);
}

.activation {
  background: var(--cream);
}

.activation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(64px, 10vw, 150px);
  border-top: 1px solid var(--green);
  padding-top: clamp(44px, 6vw, 78px);
}

.activation-lead h2 {
  max-width: 560px;
  margin-bottom: 18px;
  color: var(--green);
  font-size: clamp(2rem, 3.5vw, 3.6rem);
}

.activation-price {
  margin: 0 0 24px;
  color: var(--green);
  font-family: var(--mono);
  font-size: clamp(3.8rem, 7vw, 6rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.activation-thesis {
  margin-bottom: 20px;
  color: var(--ink);
  font-size: clamp(1.25rem, 1.8vw, 1.7rem);
  font-weight: 700;
}

.activation-credit {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
}

.activation-scope h3 {
  margin: 5px 0 22px;
  color: var(--green);
  font-size: 1.25rem;
}

.activation-scope ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.activation-scope li {
  padding: 17px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-weight: 600;
}

.activation-scope li:last-child {
  border-bottom: 1px solid var(--line);
}

.activation-boundary {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 88px);
  margin-top: clamp(50px, 7vw, 90px);
  padding-top: 26px;
  border-top: 1px solid var(--gold);
}

.activation-boundary strong {
  color: var(--green);
}

.activation-boundary p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
}

.booking {
  position: relative;
  overflow: hidden;
  padding-block: clamp(100px, 12vw, 165px);
  background: var(--green);
  color: var(--cream);
}

.booking__orbit,
.booking__orbit span {
  position: absolute;
  border: 1px solid rgba(201, 169, 97, 0.21);
  border-radius: 50%;
}

.booking__orbit {
  top: 50%;
  right: -110px;
  width: 520px;
  height: 520px;
  transform: translateY(-50%);
}

.booking__orbit span:nth-child(1) {
  inset: 70px;
}

.booking__orbit span:nth-child(2) {
  inset: 150px;
}

.booking__orbit span:nth-child(3) {
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  border: 0;
  background: var(--gold);
  transform: translate(-50%, -50%);
}

.booking-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(310px, 0.7fr);
  gap: clamp(54px, 7vw, 100px);
  align-items: end;
}

.booking h2 {
  max-width: 790px;
  margin-bottom: 0;
  font-size: clamp(2.5rem, 3.8vw, 3.85rem);
}

.booking-action {
  padding: 30px;
  border: 1px solid rgba(251, 243, 232, 0.26);
  border-radius: 0;
  background: rgba(8, 38, 27, 0.34);
}

.booking-action > p {
  color: var(--cream-muted);
}

.button--cream {
  width: 100%;
  margin: 12px 0 14px;
  background: var(--cream);
  color: var(--green);
}

.button--cream:disabled {
  background: #e3dacd;
}

.booking-action > span {
  display: block;
  color: var(--cream-muted);
  font-size: 0.75rem;
}

.site-footer {
  padding-block: 42px;
  background: var(--green-dark);
  color: var(--cream-muted);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 38px;
  font-size: 0.76rem;
}

.footer-layout strong {
  color: var(--cream);
}

.footer-layout p {
  margin-bottom: 3px;
}

.footer-layout > div:last-child {
  text-align: right;
}

.footer-layout a {
  color: var(--gold);
}

.motion-ready [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
}

.motion-ready .hero [data-reveal] {
  opacity: 1;
  transform: none;
}

.motion-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 720ms var(--ease), transform 720ms var(--ease);
}

@media (max-width: 1020px) {
  :root {
    --shell: min(100% - 40px, 920px);
  }

  .desktop-nav {
    display: none;
  }

  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .hero {
    min-height: auto;
    padding-block: 68px 90px;
  }

  .hero-shell {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 790px;
  }

  .diagnosis-layout,
  .commitments-layout {
    grid-template-columns: 1fr;
  }

  .diagnosis-intro,
  .commitments-heading {
    position: static;
  }

  .diagnosis-list {
    padding-top: 0;
  }

  .services-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .services-intro p {
    margin-bottom: 0;
  }

  .system-section__intro,
  .process-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .system-section__intro > p:last-child,
  .process-heading p {
    margin-left: 0;
  }

  .route-console__question {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-switch {
    width: 100%;
  }

  .route-switch button {
    flex: 1;
  }

  .route-console__paths {
    grid-template-columns: 1fr;
  }

  .route-connector {
    grid-template: 1fr / 1fr auto 1fr;
  }

  .route-connector span {
    width: 100%;
    height: 1px;
  }

  .process-track {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 54px;
  }

  .process-track::before {
    display: none;
  }

  .process-track li {
    padding-top: 46px;
  }

  .process-track li::after {
    position: absolute;
    top: 16px;
    right: 24px;
    left: 13px;
    height: 1px;
    background: rgba(201, 169, 97, 0.35);
    content: "";
  }

  .evidence-head {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

  .faq-layout,
  .booking-layout,
  .activation-layout {
    grid-template-columns: 1fr;
  }

  .activation-layout {
    gap: 48px;
  }

  .booking-action {
    max-width: 620px;
  }
}

@media (max-width: 700px) {
  :root {
    --shell: calc(100% - 32px);
  }

  html {
    scroll-padding-top: 72px;
  }

  body {
    font-size: 15px;
  }

  h2 {
    font-size: clamp(2.15rem, 10.5vw, 3.2rem);
  }

  .section {
    padding-block: 82px;
  }

  .activation-price {
    font-size: clamp(3.55rem, 16vw, 5rem);
  }

  .activation-boundary {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .site-header {
    backdrop-filter: blur(10px);
  }

  .nav-shell {
    min-height: 68px;
  }

  .brand img {
    width: 56px;
    height: 46px;
  }

  .nav-cta {
    padding: 8px 13px;
    font-size: 0.76rem;
  }

  .hero {
    padding-block: 52px 76px;
  }

  .hero-shell {
    gap: 50px;
  }

  .section-marker {
    margin-bottom: 18px;
    font-size: 0.75rem;
  }

  .hero h1 {
    margin-bottom: 22px;
    font-size: clamp(2.65rem, 13.2vw, 4rem);
    line-height: 1.15;
  }

  .hero-lede {
    margin-bottom: 28px;
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    margin-bottom: 34px;
  }

  .hero-actions p {
    max-width: none;
  }

  .button {
    width: 100%;
  }

  .proof-strip p {
    grid-template-columns: 1fr;
    padding-block: 12px;
  }

  .proof-strip span,
  .proof-strip span:last-child {
    text-align: left;
  }

  .proof-strip p > * {
    min-height: auto;
    padding-block: 8px;
  }

  .proof-strip strong {
    order: -1;
    padding: 8px 0 14px;
    border-right: 0;
    border-bottom: 1px solid rgba(201, 169, 97, 0.28);
    border-left: 0;
    font-size: 1rem;
  }

  .hero-photo img {
    height: clamp(340px, 72vw, 500px);
  }

  .diagnosis-layout {
    gap: 34px;
  }

  .diagnosis-intro h2 {
    font-size: clamp(2.2rem, 10.6vw, 3.3rem);
  }

  .diagnosis-row {
    grid-template-columns: 52px 1fr;
    gap: 14px;
    padding: 26px 0;
  }

  .diagnosis-row h3 {
    font-size: 1.16rem;
  }

  .diagnosis-close {
    margin: 32px 0 0 66px;
    padding: 22px;
  }

  .services-intro {
    margin-bottom: 46px;
  }

  .services-intro h2 {
    font-size: clamp(2.75rem, 13vw, 4rem);
  }

  .services-intro p {
    font-size: 1rem;
  }

  .services-list article {
    grid-template-columns: 64px minmax(0, 1fr);
    column-gap: 18px;
    row-gap: 0;
    padding-block: 24px;
  }

  .services-list::before {
    left: 31px;
  }

  .service-icon {
    width: 62px;
    height: 74px;
    grid-row: 1 / span 2;
    align-self: start;
  }

  .service-icon svg {
    width: 62px;
    height: 74px;
  }

  .services-list h3 {
    grid-column: 2;
    font-size: clamp(1.45rem, 6.7vw, 1.85rem);
    line-height: 1.3;
  }

  .services-list p {
    grid-column: 2;
    padding-top: 7px;
    font-size: 0.95rem;
  }

  .system-section {
    padding-block: 82px;
  }

  .system-section__intro {
    margin-bottom: 48px;
  }

  .route-console {
    width: 100%;
    padding: 22px 16px;
    border-radius: 2px;
  }

  .route-switch {
    display: grid;
    border-radius: 2px;
  }

  .route-switch button {
    width: 100%;
  }

  .route-switch button + button {
    border-top: 1px solid var(--line-light);
    border-left: 0;
  }

  .route-card {
    padding: 26px 22px;
    border-radius: 0;
  }

  .route-card h3 {
    font-size: 1.75rem;
  }

  .route-console__status {
    text-align: left;
  }

  .process {
    padding-top: 92px;
  }

  .process-heading {
    margin-bottom: 46px;
  }

  .process-heading h2 {
    font-size: clamp(2.2rem, 10.2vw, 3.25rem);
  }

  .process-track {
    grid-template-columns: 1fr;
    row-gap: 0;
    padding-left: 12px;
  }

  .process-track::before {
    display: block;
    top: 8px;
    right: auto;
    bottom: 8px;
    left: 18px;
    width: 1px;
    height: auto;
  }

  .process-track li {
    min-height: 132px;
    padding: 0 0 36px 56px;
  }

  .process-track li::before {
    top: 5px;
    left: 0;
  }

  .process-track li::after {
    display: none;
  }

  .process-track h3 {
    min-height: auto;
  }

  .evidence-head {
    margin-bottom: 44px;
  }

  .evidence-number {
    min-height: 0;
    padding: 30px 26px;
    border-radius: 2px;
  }

  .evidence-number strong {
    font-size: clamp(7rem, 37vw, 10rem);
  }

  .fit-panel article {
    grid-template-columns: 1fr;
    padding: 30px 25px;
    border-radius: 0;
  }

  .fit-panel span {
    grid-row: auto;
    margin-bottom: 18px;
  }

  .product-showcase {
    margin-top: 72px;
  }

  .product-showcase__intro {
    gap: 20px;
    padding-block: 42px;
  }

  .product-showcase__intro h3 {
    max-width: 11em;
    font-size: clamp(2.15rem, 9vw, 2.7rem);
  }

  .product-showcase__collection {
    gap: 24px;
    padding-block: 34px;
  }

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

  .product-showcase figure {
    aspect-ratio: 4 / 3;
  }

  .commitments {
    padding-top: 0;
  }

  .commitments-layout {
    gap: 24px;
    padding-top: 80px;
  }

  .commitments-heading h2,
  .faq h2 {
    font-size: clamp(2.2rem, 10.4vw, 3.3rem);
  }

  .commitment-list li {
    grid-template-columns: 45px 1fr;
    gap: 10px;
    padding: 26px 0;
  }

  .faq-layout {
    gap: 28px;
  }

  .faq-list summary {
    min-height: 74px;
    font-size: 1rem;
  }

  .booking {
    padding-block: 86px;
  }

  .booking-layout {
    gap: 40px;
  }

  .booking h2 {
    font-size: clamp(2.25rem, 10.7vw, 3.45rem);
  }

  .booking-action {
    padding: 24px 20px;
    border-radius: 0;
  }

  .booking__orbit {
    right: -270px;
    width: 450px;
    height: 450px;
  }

  .footer-layout {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .footer-layout > div:last-child {
    text-align: left;
  }
}

@media (max-width: 1020px) {
  .product-hero__copy,
  .product-closing__layout {
    grid-template-columns: 1fr;
  }

  .product-hero__copy > p {
    max-width: 680px;
  }

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

  .catalog-heading {
    position: static;
  }

  .catalog-heading > p:last-child {
    max-width: 640px;
  }

  .product-closing__action {
    max-width: 640px;
  }
}

@media (max-width: 700px) {
  .product-hero {
    padding-block: 44px 78px;
  }

  .product-hero__copy {
    gap: 30px;
  }

  .back-link {
    margin-bottom: 32px;
  }

  .product-hero h1 {
    font-size: clamp(2.75rem, 12.8vw, 4.15rem);
    line-height: 1.08;
  }

  .product-hero__strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 52px;
  }

  .product-hero__strip .product-hero__feature {
    grid-column: 1 / -1;
  }

  .catalog-section {
    padding-block: 76px;
  }

  .catalog-layout {
    gap: 36px;
  }

  .catalog-heading h2 {
    font-size: clamp(2.5rem, 12vw, 3.6rem);
  }

  .catalog-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .catalog-grid figure,
  .catalog-grid figure:nth-child(n),
  .catalog-grid--reverse figure:nth-child(n) {
    grid-column: auto;
    aspect-ratio: 4 / 3;
  }

  .catalog-grid figcaption {
    padding: 13px 15px;
  }

  .product-closing h2 {
    font-size: clamp(2.55rem, 11.5vw, 3.6rem);
  }

  .product-closing__action {
    padding: 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .motion-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }

}