:root {
  --ink: #17201d;
  --soft-ink: #51605b;
  --paper: #fbfcf7;
  --paper-deep: #eef3e7;
  --line: #dbe3d4;
  --forest: #17533d;
  --mint: #42b883;
  --citrus: #d6f36a;
  --coral: #f06d52;
  --night: #08110f;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(11, 28, 22, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui,
    sans-serif;
  line-height: 1.6;
}

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

.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;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 16px clamp(20px, 5vw, 72px);
  color: var(--white);
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(251, 252, 247, 0.94);
  box-shadow: 0 1px 0 rgba(23, 32, 29, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--night);
  background: var(--citrus);
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 8px;
  font-size: 1.25rem;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.brand small {
  color: currentColor;
  opacity: 0.7;
  font-size: 0.72rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  transition:
    background 160ms ease,
    color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--night);
  background: var(--citrus);
  outline: none;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  color: inherit;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 8px;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 88vh;
  overflow: hidden;
  color: var(--white);
  background: var(--night);
}

.hero-canvas,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-canvas {
  width: 100%;
  height: 100%;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(8, 17, 15, 0.96) 0%, rgba(8, 17, 15, 0.78) 44%, rgba(8, 17, 15, 0.28) 100%),
    radial-gradient(circle at 82% 26%, rgba(214, 243, 106, 0.22), transparent 28%),
    radial-gradient(circle at 28% 80%, rgba(240, 109, 82, 0.18), transparent 24%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  min-height: 88vh;
  margin: 0 auto;
  padding: 150px 0 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.7rem, 8vw, 6.8rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  font: inherit;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.button-primary {
  color: var(--night);
  background: var(--citrus);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #e4ff82;
}

.button-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  background: rgba(255, 255, 255, 0.16);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(760px, 100%);
  margin: 58px 0 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.12);
}

.hero-facts div {
  padding: 16px;
  background: rgba(8, 17, 15, 0.48);
}

dt {
  color: var(--soft-ink);
  font-size: 0.82rem;
}

.hero-facts dt {
  color: rgba(255, 255, 255, 0.58);
}

dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.section,
.section-band {
  padding: clamp(68px, 9vw, 116px) 0;
}

.section-band {
  background: var(--paper-deep);
}

.section-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.intro {
  padding-top: 54px;
  padding-bottom: 54px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(260px, 1.2fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.9rem);
  line-height: 1.1;
  letter-spacing: 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 240px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(23, 32, 29, 0.04);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(66, 184, 131, 0.55);
  box-shadow: var(--shadow);
}

.service-index {
  color: var(--forest);
  font-weight: 900;
}

.service-card h3 {
  margin: 32px 0 12px;
  font-size: 1.32rem;
}

.service-card p,
.split p,
.intro-grid p,
.profile-panel p,
.contact-grid p {
  color: var(--soft-ink);
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(320px, 1.15fr);
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline article {
  position: relative;
  padding: 24px 24px 24px 34px;
  border-left: 4px solid var(--mint);
  border-radius: 0 8px 8px 0;
  background: var(--white);
}

.timeline span {
  display: block;
  color: var(--forest);
  font-weight: 900;
}

.timeline p {
  margin: 8px 0 0;
  color: var(--soft-ink);
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(320px, 1.14fr);
  gap: 18px;
  align-items: stretch;
}

.profile-panel,
.info-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.profile-panel {
  padding: 30px;
}

.profile-panel h3 {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.2;
}

.muted {
  font-size: 0.92rem;
}

.info-list {
  margin: 0;
  overflow: hidden;
}

.info-list div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 18px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.info-list div:last-child {
  border-bottom: 0;
}

.info-list dd {
  overflow-wrap: anywhere;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 420px);
  gap: clamp(30px, 6vw, 86px);
  align-items: center;
}

.contact-panel {
  padding: 28px;
  color: var(--white);
  background: var(--forest);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.86);
}

.contact-label {
  margin-top: 0;
  color: var(--citrus) !important;
  font-weight: 900;
}

.contact-panel .button {
  margin-top: 14px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 26px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--night);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--citrus);
  outline: none;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% - 1px);
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 14px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(8, 17, 15, 0.98) 0%, rgba(8, 17, 15, 0.76) 68%, rgba(8, 17, 15, 0.42) 100%),
      radial-gradient(circle at 80% 18%, rgba(214, 243, 106, 0.18), transparent 30%);
  }

  .intro-grid,
  .split,
  .profile-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .site-header {
    min-height: 68px;
    padding: 12px 18px;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 92vh;
  }

  .hero-content {
    min-height: 92vh;
    padding-top: 112px;
    padding-bottom: 40px;
  }

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

  .hero-facts div {
    padding: 14px;
  }

  .section,
  .section-band {
    padding: 60px 0;
  }

  .section-heading {
    display: block;
  }

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

  .info-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}