:root {
  color-scheme: light;
  --surface: #fbfaf6;
  --surface-soft: #f2efe8;
  --surface-muted: #ece7de;
  --ink: #171411;
  --ink-soft: #615b53;
  --signal: #b41f16;
  --signal-soft: #d83a2c;
  --line-soft: rgba(23, 20, 17, 0.12);
  --container: min(1200px, calc(100% - 48px));
  --header-height: 72px;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --section-space: clamp(5.5rem, 10vw, 7.5rem);
  --shadow-soft: 0 20px 60px rgba(23, 20, 17, 0.06);
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(216, 58, 44, 0.08), transparent 32%),
    linear-gradient(180deg, #fffdf9 0%, var(--surface) 100%);
  line-height: 1.7;
}

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

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

button,
a {
  transition: color 160ms ease, background-color 160ms ease, transform 160ms ease, opacity 160ms ease;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 30;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: #fff;
  transform: translateY(-180%);
}

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

.container {
  width: var(--container);
  max-width: 1200px;
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(251, 250, 246, 0.86);
  box-shadow: 0 8px 24px rgba(23, 20, 17, 0.04);
}

.site-header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  min-height: 40px;
  flex-shrink: 0;
}

.site-logo__mark {
  width: 56px;
  height: 56px;
}

.site-logo__text {
  display: grid;
  gap: 0.1rem;
  text-align: left;
}

.site-logo__text strong {
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.site-logo__text span {
  color: var(--ink-soft);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.nav-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-4);
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--ink);
}

.nav-link--admin {
  background: var(--ink);
  color: #fff;
  padding-inline: var(--space-5);
}

.nav-link--admin:hover {
  background: var(--signal);
  color: #fff;
}

main {
  padding-top: calc(var(--header-height) + var(--space-12));
}

section {
  scroll-margin-top: calc(var(--header-height) + var(--space-8));
  padding: var(--section-space) 0;
}

.hero-section {
  padding-top: var(--space-12);
}

.hero-container,
.section-grid,
.footer-container {
  display: grid;
  gap: var(--space-10);
}

.hero-container {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.95fr);
  align-items: center;
}

.hero-copy {
  max-width: 36rem;
}

.hero-eyebrow,
.section-kicker {
  margin: 0 0 var(--space-4);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero-title,
.section-title {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5.4rem);
  max-width: 12ch;
}

.hero-desc,
.about-text,
.contact-desc,
.service-desc,
.contact-value,
.record-text,
.footer-brand__sub {
  color: var(--ink-soft);
}

.hero-desc {
  margin: var(--space-6) 0 0;
  font-size: 1.05rem;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-6);
  font-size: 0.92rem;
}

.button--primary {
  background: linear-gradient(135deg, var(--ink), #2d2823);
  color: #fff;
}

.button--primary:hover {
  background: linear-gradient(135deg, var(--signal), var(--signal-soft));
  transform: translateY(-1px);
}

.button--secondary {
  color: var(--ink);
  background: transparent;
  box-shadow: inset 0 -2px 0 rgba(23, 20, 17, 0.22);
}

.button--secondary:hover {
  color: var(--signal);
  box-shadow: inset 0 -2px 0 var(--signal);
}

.hero-media {
  display: grid;
  gap: var(--space-5);
}

.hero-image {
  width: 100%;
  min-height: 32rem;
  object-fit: cover;
  background: var(--surface-soft);
  box-shadow: var(--shadow-soft);
}

.keyword-item {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 var(--space-4);
  background: rgba(23, 20, 17, 0.06);
  color: var(--ink);
}

.section-grid {
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
  align-items: start;
}

.section-body {
  display: grid;
  gap: var(--space-8);
}

.about-section,
.contact-section {
  background: rgba(255, 255, 255, 0.52);
}

.about-text {
  margin: 0;
  max-width: 46rem;
  font-size: 1.02rem;
}

.keyword-list {
  list-style: none;
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

.services-section {
  background: linear-gradient(180deg, transparent 0%, rgba(236, 231, 222, 0.38) 100%);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.service-card {
  min-height: 100%;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.service-card:hover {
  transform: translateY(-4px);
}

.service-title {
  margin: 0 0 var(--space-4);
  font-size: 1.15rem;
}

.service-desc {
  margin: 0;
}

.contact-list {
  display: grid;
  gap: var(--space-4);
}

.contact-item {
  display: grid;
  grid-template-columns: minmax(110px, 150px) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-4) 0;
  box-shadow: inset 0 -2px 0 var(--line-soft);
}

.contact-label {
  color: var(--ink);
  font-weight: 600;
}

.contact-link {
  text-decoration: underline;
  text-decoration-color: rgba(23, 20, 17, 0.22);
  text-underline-offset: 0.28em;
}

.contact-link:hover,
.footer-links a:hover,
.record-link:hover {
  color: var(--signal);
}

.site-footer {
  padding: var(--space-12) 0 var(--space-16);
}

.footer-container {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr) minmax(0, 0.9fr);
  align-items: start;
  padding-top: var(--space-8);
  box-shadow: inset 0 2px 0 var(--line-soft);
}

.footer-brand__name {
  margin: 0;
  font-weight: 700;
}

.footer-brand__sub {
  margin: var(--space-2) 0 0;
}

.footer-links,
.footer-records {
  display: grid;
  gap: var(--space-3);
}

.footer-links a,
.record-link,
.record-text {
  font-size: 0.95rem;
}

@media (max-width: 430px) {
  :root {
    --container: min(100% - 28px, 1200px);
    --header-height: 88px;
  }

  .site-header__inner,
  .site-nav {
    justify-content: flex-start;
  }

  .site-logo__mark {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 390px) {
  .site-nav {
    gap: 0;
  }

  .nav-link {
    padding-inline: 0.75rem;
    font-size: 0.72rem;
  }

  .hero-title {
    font-size: clamp(2.4rem, 11vw, 3.2rem);
  }

  .button {
    width: 100%;
  }
}

@media (max-width: 360px) {
  .contact-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .footer-container {
    gap: var(--space-6);
  }

  .record-link,
  .record-text,
  .footer-links a {
    word-break: break-all;
  }
}

@media (max-width: 980px) {
  .hero-container,
  .section-grid,
  .footer-container {
    grid-template-columns: 1fr;
  }

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

  .hero-image {
    min-height: 24rem;
  }
}