:root {
  color-scheme: light;
  --background: #f7f4ee;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #163532;
  --ink-soft: #536864;
  --accent: #b9492d;
  --accent-dark: #8f321e;
  --accent-soft: #f4d9cb;
  --line: #d8dfda;
  --shadow: 0 1.5rem 4rem rgba(35, 61, 56, 0.1);
  --radius-large: 2rem;
  --radius-medium: 1.25rem;
  --page-width: 70rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 20rem;
  background: var(--background);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:focus-visible {
  border-radius: 0.25rem;
  outline: 0.2rem solid var(--accent);
  outline-offset: 0.25rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  background: var(--ink);
  color: #ffffff;
  transform: translateY(-160%);
}

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

.container {
  width: min(calc(100% - 2rem), var(--page-width));
  margin-inline: auto;
}

.site-header {
  padding: 1.1rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 780;
  letter-spacing: -0.04em;
  text-decoration: none;
}

nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

nav a {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

nav a:hover {
  color: var(--accent-dark);
}

.hero {
  display: grid;
  align-items: center;
  gap: 2.5rem;
  min-height: 41rem;
  padding-block: 4.5rem 5.5rem;
}

.hero-copy {
  max-width: 39rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-name {
  letter-spacing: 0.08em;
  text-transform: none;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.18;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 11em;
  margin-bottom: 1.5rem;
  font-size: clamp(2.9rem, 12vw, 5.8rem);
  font-weight: 790;
}

h1 span {
  color: var(--accent);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 8vw, 3.6rem);
}

h3 {
  margin-bottom: 1rem;
  font-size: clamp(1.75rem, 6vw, 2.6rem);
}

.hero-description {
  max-width: 35rem;
  margin: 0 0 2rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 3vw, 1.2rem);
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.65rem 1.35rem;
  border: 0.125rem solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 720;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  transform: translateY(-0.1rem);
}

.hero-mark {
  position: relative;
  display: grid;
  width: min(78vw, 20rem);
  aspect-ratio: 1;
  place-items: center;
  justify-self: center;
  border: 0.1rem solid rgba(22, 53, 50, 0.12);
  border-radius: 42% 58% 55% 45% / 48% 45% 55% 52%;
  background: var(--accent-soft);
  box-shadow: var(--shadow);
  transform: rotate(4deg);
}

.hero-mark span {
  color: var(--accent-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(7rem, 34vw, 11rem);
  font-weight: 700;
  line-height: 1;
  transform: rotate(-4deg) translateY(-0.05em);
}

.mark-dot {
  position: absolute;
  display: block;
  border-radius: 50%;
  background: var(--ink);
}

.mark-dot-one {
  top: 9%;
  right: 8%;
  width: 1.15rem;
  height: 1.15rem;
}

.mark-dot-two {
  right: -4%;
  bottom: 27%;
  width: 0.65rem;
  height: 0.65rem;
  background: var(--accent);
}

.mark-dot-three {
  bottom: 5%;
  left: 10%;
  width: 0.9rem;
  height: 0.9rem;
  background: var(--accent);
}

.section {
  padding-block: 5rem;
}

.notes-section {
  padding-top: 1rem;
}

.notes-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}

.note-card {
  padding: 1.5rem;
  border: 0.1rem solid var(--line);
  border-radius: var(--radius-medium);
  background: var(--surface);
}

.note-card .note-number {
  margin: 0 0 2.5rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.note-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.45rem;
}

.note-card > p:last-child {
  margin: 0;
  color: var(--ink-soft);
}

.note-card strong {
  color: var(--ink);
}

.section-services {
  background: var(--ink);
  color: #ffffff;
}

.section-heading {
  max-width: 38rem;
}

.section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.section-services .eyebrow {
  color: #f4b79d;
}

.service-card {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 0.1rem solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-large);
  background: rgba(255, 255, 255, 0.07);
}

.service-card p {
  max-width: 38rem;
  margin-bottom: 0;
  color: #d7e1df;
}

.service-card .service-type {
  margin: 0 0 0.65rem;
  color: #f4b79d;
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-content: flex-end;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 0.55rem 0.9rem;
  border: 0.1rem solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 650;
}

.boundary-grid {
  display: grid;
  gap: 2.5rem;
}

.boundary-panel {
  padding: clamp(1.25rem, 5vw, 2.25rem);
  border: 0.1rem solid var(--line);
  border-radius: var(--radius-large);
  background: var(--surface);
}

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

.boundary-list li {
  display: grid;
  gap: 0.15rem;
  padding-block: 1rem;
  border-bottom: 0.1rem solid var(--line);
}

.boundary-list li:first-child {
  padding-top: 0;
}

.boundary-list strong {
  font-size: 1.05rem;
}

.boundary-list span,
.boundary-note {
  color: var(--ink-soft);
}

.boundary-note {
  margin: 1.25rem 0 0;
  font-size: 0.9rem;
}

.contact-section {
  padding-top: 1rem;
}

.contact-card {
  display: grid;
  gap: 2rem;
  padding: clamp(1.5rem, 6vw, 3.5rem);
  border-radius: var(--radius-large);
  background: var(--accent-soft);
}

.contact-card h2 {
  margin-bottom: 0.5rem;
}

.contact-card p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.contact-link {
  align-self: center;
  color: var(--accent-dark);
  font-size: clamp(1.05rem, 4.5vw, 1.45rem);
  font-weight: 750;
  overflow-wrap: anywhere;
}

.site-footer {
  padding: 3rem 0 2rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-align: center;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a:hover {
  color: var(--accent-dark);
}

.error-body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.error-main {
  display: grid;
  width: min(calc(100% - 2rem), 46rem);
  flex: 1;
  margin-inline: auto;
  padding-block: 3rem;
  place-items: center;
}

.error-card {
  position: relative;
  width: 100%;
  padding: clamp(2rem, 7vw, 4rem);
  overflow: hidden;
  border: 0.1rem solid var(--line);
  border-radius: var(--radius-large);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.error-card h1 {
  position: relative;
  max-width: none;
  margin-bottom: 1rem;
  font-size: clamp(2.4rem, 9vw, 4.5rem);
}

.error-card > p:not(.eyebrow, .error-code) {
  position: relative;
  max-width: 32rem;
  margin: 0 0 2rem;
  color: var(--ink-soft);
}

.error-code {
  position: absolute;
  top: -4.2rem;
  right: -1rem;
  margin: 0;
  color: var(--accent-soft);
  font-size: clamp(8rem, 31vw, 14rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.08em;
  user-select: none;
}

.error-card .button,
.error-card .eyebrow {
  position: relative;
}

@media (min-width: 48rem) {
  .container {
    width: min(calc(100% - 4rem), var(--page-width));
  }

  nav {
    display: flex;
  }

  .hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(17rem, 0.65fr);
    min-height: 45rem;
    padding-block: 5rem 7rem;
  }

  .hero-mark {
    width: min(29vw, 20rem);
  }

  .notes-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .service-card {
    grid-template-columns: minmax(0, 1.45fr) minmax(15rem, 0.55fr);
  }

  .boundary-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
    align-items: start;
  }

  .contact-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

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

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