:root {
  --color-primary: #0f766e;
  --color-on-primary: #ffffff;
  --color-secondary: #14b8a6;
  --color-accent: #0369a1;
  --color-background: #f6fbfa;
  --color-foreground: #123b3a;
  --color-muted: #e8f0f3;
  --color-border: rgba(15, 118, 110, 0.24);
  --color-stone: #e7ded0;
  --color-ink: #122326;
  --color-gold: #b08d57;
  --shadow-soft: 0 24px 70px rgba(18, 35, 38, 0.14);
  --shadow-card: 0 18px 45px rgba(18, 35, 38, 0.16);
  --header-height: 76px;
  --radius-card: 8px;
  font-family: "Josefin Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--color-foreground);
  background: var(--color-background);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(15, 118, 110, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 118, 110, 0.04) 1px, transparent 1px),
    var(--color-background);
  background-size: 44px 44px;
  color: var(--color-foreground);
  font-size: 16px;
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 999;
  transform: translateY(-140%);
  border-radius: 4px;
  background: var(--color-ink);
  color: #ffffff;
  padding: 10px 14px;
  transition: transform 180ms ease;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 14px 24px;
  transition: background 220ms ease, box-shadow 220ms ease, padding 220ms ease;
}

.site-header.is-scrolled {
  padding-block: 10px;
  background: rgba(246, 251, 250, 0.86);
  box-shadow: 0 12px 36px rgba(18, 35, 38, 0.12);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(1200px, 100%);
  height: var(--header-height);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 12px 45px rgba(18, 35, 38, 0.12);
  backdrop-filter: blur(22px);
  padding: 0 18px;
  border-radius: 8px;
}

.brand,
.footer-brand {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--color-ink);
}

.brand strong,
.footer-brand strong {
  display: block;
  font-family: "Cinzel", "Songti SC", serif;
  font-size: 1.05rem;
  line-height: 1.1;
}

.brand small,
.footer-brand small {
  display: block;
  margin-top: 2px;
  color: rgba(18, 35, 38, 0.66);
  font-size: 0.78rem;
  line-height: 1.1;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background: var(--color-ink);
  color: #ffffff;
  font-family: "Cinzel", serif;
  font-weight: 700;
  border-radius: 6px;
}

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

.nav-menu a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 4px;
  padding: 0 14px;
  color: rgba(18, 35, 38, 0.78);
  font-weight: 600;
  transition: background 180ms ease, color 180ms ease;
}

.nav-menu a:hover {
  background: rgba(15, 118, 110, 0.09);
  color: var(--color-primary);
}

.nav-cta,
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  border-radius: 6px;
  padding: 0 18px;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.1;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.nav-cta {
  background: var(--color-ink);
  color: #ffffff;
  box-shadow: 0 10px 26px rgba(18, 35, 38, 0.24);
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.nav-cta svg,
.button svg,
.text-link svg,
.contact-methods svg,
.proof-list svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(18, 35, 38, 0.15);
  background: rgba(255, 255, 255, 0.72);
  color: var(--color-ink);
  border-radius: 6px;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 86dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--color-ink);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(18, 35, 38, 0.72), rgba(18, 35, 38, 0.28) 58%, rgba(18, 35, 38, 0.1));
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 148px 0 78px;
  color: #ffffff;
}

.eyebrow,
.section-kicker,
.label {
  margin: 0 0 12px;
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-family: "Cinzel", "Songti SC", serif;
  font-size: 5.4rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button.primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: 0 14px 28px rgba(15, 118, 110, 0.34);
}

.button.primary:hover {
  background: #0d665f;
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  backdrop-filter: blur(16px);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.23);
}

.trust-strip {
  position: relative;
  z-index: 2;
  width: min(1200px, calc(100% - 48px));
  margin: -34px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px);
  border-radius: 8px;
  overflow: hidden;
}

.trust-item {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-right: 1px solid rgba(15, 118, 110, 0.14);
}

.trust-item:last-child {
  border-right: 0;
}

.trust-item strong {
  color: var(--color-ink);
  font-family: "Cinzel", serif;
  font-size: 2rem;
  line-height: 1;
}

.trust-item span {
  margin-top: 8px;
  color: rgba(18, 35, 38, 0.68);
  font-weight: 600;
}

.section {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 92px 0;
}

.split-layout,
.section-heading,
.contact,
.proof {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

h2,
h3,
p {
  overflow-wrap: anywhere;
}

h2,
h3 {
  margin: 0;
  color: var(--color-ink);
}

h2 {
  font-family: "Cinzel", "Songti SC", serif;
  font-size: 3.1rem;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  font-size: 1.28rem;
  line-height: 1.25;
}

.intro-copy p,
.proof-copy p,
.contact-copy p {
  margin: 0;
  color: rgba(18, 35, 38, 0.76);
  font-size: 1.06rem;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  color: var(--color-ink);
  font-weight: 600;
}

.check-list svg {
  width: 20px;
  height: 20px;
  margin-top: 4px;
  color: var(--color-primary);
}

.section-heading {
  grid-template-columns: 1fr auto;
  align-items: end;
  margin-bottom: 34px;
}

.segmented-control {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  gap: 4px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: rgba(255, 255, 255, 0.62);
  padding: 4px;
  border-radius: 8px;
}

.filter-button {
  min-width: 72px;
  min-height: 44px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: rgba(18, 35, 38, 0.7);
  cursor: pointer;
  font-weight: 700;
  transition: background 180ms ease, color 180ms ease;
}

.filter-button.is-active,
.filter-button:hover {
  background: var(--color-primary);
  color: #ffffff;
}

.listing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.glass-card {
  border: 1px solid rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.56);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-card);
}

.listing-card {
  min-height: 520px;
  display: grid;
  grid-template-rows: 250px 1fr;
  overflow: hidden;
  transform: translateY(0);
  transition: transform 220ms ease, box-shadow 220ms ease, opacity 180ms ease;
}

.listing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 60px rgba(18, 35, 38, 0.2);
}

.listing-card.is-hidden {
  display: none;
}

.listing-card img {
  width: 100%;
  height: 250px;
}

.listing-content {
  display: grid;
  align-content: space-between;
  gap: 20px;
  padding: 22px;
}

.listing-content p {
  margin: 0;
  color: rgba(18, 35, 38, 0.72);
}

.spec-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-row span {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: rgba(255, 255, 255, 0.56);
  color: var(--color-primary);
  padding: 5px 9px;
  border-radius: 4px;
  font-size: 0.86rem;
  font-weight: 700;
}

.tour-section {
  width: 100%;
  max-width: none;
  padding-left: max(24px, calc((100% - 1200px) / 2));
  padding-right: max(24px, calc((100% - 1200px) / 2));
  background: #102a2d;
  color: #ffffff;
}

.tour-section h2,
.tour-section h3 {
  color: #ffffff;
}

.tour-section .section-heading {
  width: min(1200px, 100%);
}

.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #ffffff;
  font-weight: 700;
}

.tour-panel {
  position: relative;
  width: 100%;
  min-height: 600px;
  overflow: hidden;
  border-radius: 8px;
  isolation: isolate;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.tour-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.tour-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(16, 42, 45, 0.26);
  z-index: 1;
  pointer-events: none;
}

.tour-info {
  position: absolute;
  left: 34px;
  bottom: 34px;
  z-index: 2;
  max-width: 420px;
  padding: 26px;
  color: #ffffff;
}

.tour-info p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.82);
}

.tour-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 22px;
}

.tour-stats span {
  display: grid;
  min-height: 72px;
  align-content: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  padding: 12px;
  border-radius: 6px;
}

.tour-stats strong {
  display: block;
  color: #ffffff;
  font-family: "Cinzel", serif;
  font-size: 1.5rem;
  line-height: 1.1;
}

.hotspot {
  position: absolute;
  z-index: 3;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  cursor: pointer;
  backdrop-filter: blur(12px);
}

.hotspot span {
  width: 14px;
  height: 14px;
  display: block;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.2);
}

.hotspot-one {
  left: 58%;
  top: 62%;
}

.hotspot-two {
  left: 74%;
  top: 34%;
}

.hotspot-note {
  position: absolute;
  right: 32px;
  bottom: 34px;
  z-index: 3;
  max-width: 320px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(16, 42, 45, 0.72);
  color: #ffffff;
  padding: 14px 16px;
  border-radius: 6px;
  backdrop-filter: blur(16px);
  font-weight: 700;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(15, 118, 110, 0.18);
  border: 1px solid rgba(15, 118, 110, 0.18);
}

.process-grid article {
  min-height: 250px;
  display: grid;
  align-content: end;
  gap: 14px;
  background: rgba(255, 255, 255, 0.78);
  padding: 26px;
}

.process-grid span {
  color: var(--color-gold);
  font-family: "Cinzel", serif;
  font-size: 2rem;
  font-weight: 700;
}

.process-grid p {
  margin: 0;
  color: rgba(18, 35, 38, 0.72);
}

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

.expert-card {
  min-height: 480px;
  display: grid;
  grid-template-rows: 310px 1fr;
  overflow: hidden;
  border: 1px solid rgba(15, 118, 110, 0.14);
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(18, 35, 38, 0.1);
  border-radius: 8px;
}

.expert-card img {
  width: 100%;
  height: 310px;
}

.expert-card div {
  padding: 22px;
}

.expert-card p {
  margin: 12px 0 0;
  color: rgba(18, 35, 38, 0.72);
}

.proof {
  width: 100%;
  max-width: none;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  align-items: stretch;
  background: #e7ded0;
  padding: 0;
}

.proof-media {
  min-height: 560px;
}

.proof-media img {
  width: 100%;
  height: 100%;
}

.proof-copy {
  display: grid;
  align-content: center;
  padding: 72px max(24px, calc((100vw - 1200px) / 2)) 72px 56px;
}

.proof-copy p {
  margin-top: 22px;
}

.proof-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.proof-list span {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(18, 35, 38, 0.14);
  background: rgba(255, 255, 255, 0.44);
  padding: 8px 12px;
  border-radius: 4px;
  color: var(--color-ink);
  font-weight: 700;
}

.contact {
  align-items: center;
}

.contact-methods {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.contact-methods a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-ink);
  font-weight: 700;
}

.contact-methods svg {
  color: var(--color-primary);
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 28px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--color-ink);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 50px;
  border: 1px solid rgba(18, 35, 38, 0.15);
  background: rgba(255, 255, 255, 0.78);
  color: var(--color-ink);
  border-radius: 6px;
  padding: 12px 14px;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

textarea {
  resize: vertical;
  min-height: 132px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.16);
  background: #ffffff;
  outline: 0;
}

.form-submit {
  width: 100%;
}

.form-status {
  min-height: 28px;
  margin: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.site-footer {
  min-height: 120px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  border-top: 1px solid rgba(15, 118, 110, 0.18);
  color: rgba(18, 35, 38, 0.72);
}

.site-footer p {
  margin: 0;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 14px;
  font-weight: 700;
}

.footer-links a {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 1100px) {
  .listing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 860px) {
  .site-header {
    padding: 10px 16px;
  }

  .nav-shell {
    width: 100%;
    max-width: none;
    grid-template-columns: minmax(0, 1fr) 48px;
    gap: 12px;
    height: 66px;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    justify-self: end;
    border-color: rgba(18, 35, 38, 0.18);
    background: var(--color-ink);
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(18, 35, 38, 0.22);
  }

  .nav-cta {
    display: none;
  }

  .nav-menu {
    position: fixed;
    top: 92px;
    left: 16px;
    right: 16px;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    border: 1px solid rgba(255, 255, 255, 0.38);
    background: rgba(246, 251, 250, 0.94);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(20px);
    border-radius: 8px;
    padding: 8px;
  }

  body.menu-open .nav-menu {
    display: grid;
  }

  .nav-menu a {
    justify-content: center;
  }

  .hero {
    min-height: 82dvh;
  }

  .hero-scrim {
    background: rgba(18, 35, 38, 0.62);
  }

  .hero-inner {
    width: min(720px, calc(100% - 32px));
    padding: 128px 0 58px;
  }

  .hero h1 {
    font-size: 3.9rem;
  }

  .hero-copy {
    font-size: 1rem;
    max-width: 21rem;
  }

  .trust-strip {
    width: calc(100% - 32px);
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-item {
    min-height: 100px;
    border-bottom: 1px solid rgba(15, 118, 110, 0.14);
  }

  .trust-item:nth-child(2) {
    border-right: 0;
  }

  .trust-item:nth-child(n + 3) {
    border-bottom: 0;
  }

  .section {
    width: min(720px, calc(100% - 32px));
    padding: 72px 0;
  }

  .split-layout,
  .section-heading,
  .contact,
  .proof {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  h2 {
    font-size: 2.35rem;
  }

  .section-heading {
    align-items: start;
  }

  .segmented-control {
    width: 100%;
  }

  .filter-button {
    flex: 1;
  }

  .tour-section {
    width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }

  .tour-section .section-heading {
    width: 100%;
  }

  .tour-panel {
    min-height: 640px;
  }

  .tour-info {
    left: 16px;
    right: 16px;
    bottom: 86px;
    max-width: none;
  }

  .hotspot-note {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
  }

  .proof {
    width: 100%;
  }

  .proof-copy {
    padding: 48px 16px;
  }

  .proof-media {
    min-height: 360px;
  }

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

  .expert-card {
    min-height: auto;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .site-footer {
    width: min(100% - 32px, 720px);
    grid-template-columns: 1fr;
    justify-items: start;
    padding: 28px 0;
  }

  .site-footer p {
    text-align: left;
  }
}

@media (max-width: 620px) {
  .brand small {
    display: none;
  }

  .hero h1 {
    font-size: 3.05rem;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }

  .trust-item,
  .trust-item:nth-child(2),
  .trust-item:nth-child(n + 3) {
    border-right: 0;
    border-bottom: 1px solid rgba(15, 118, 110, 0.14);
  }

  .trust-item:last-child {
    border-bottom: 0;
  }

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

  .listing-card {
    min-height: auto;
  }

  .tour-stats,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .hotspot-one {
    left: 54%;
    top: 48%;
  }

  .hotspot-two {
    left: 70%;
    top: 22%;
  }
}

@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;
  }
}
