:root {
  color-scheme: dark;
  --background: #080808;
  --surface: #111111;
  --text: #f5f3ef;
  --muted: #a7a39d;
  --line: #2a2927;
  --accent: #ff6a2a;
}

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

html {
  min-width: 320px;
  background: var(--background);
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 15%, rgba(255, 106, 42, 0.09), transparent 32rem),
    var(--background);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
}

.page-shell {
  width: min(100% - 40px, 1120px);
  min-height: 100vh;
  min-height: 100svh;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-decoration: none;
}

.header-label {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.hero {
  width: min(100%, 760px);
  padding: clamp(72px, 13vh, 144px) 0 80px;
  align-self: center;
}

.eyebrow {
  margin: 0 0 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 32px;
  height: 2px;
  background: var(--accent);
}

h1 {
  margin: 0;
  line-height: 1;
}

.hero-brand,
.hero-title {
  display: block;
}

.hero-brand {
  font-size: clamp(3.3rem, 14vw, 8.5rem);
  font-weight: 850;
  letter-spacing: -0.065em;
}

.hero-title {
  margin-top: 18px;
  font-size: clamp(1.65rem, 5.5vw, 3.25rem);
  font-weight: 620;
  letter-spacing: 0.08em;
}

.accent-line {
  width: 48px;
  height: 4px;
  margin: 38px 0;
  background: var(--accent);
}

.intro,
.note {
  max-width: 640px;
  margin: 0;
  font-size: clamp(1rem, 2.5vw, 1.16rem);
  line-height: 1.9;
}

.note {
  margin-top: 10px;
  color: var(--muted);
}

.service-list {
  margin: 36px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.service-list li {
  padding: 9px 13px;
  color: #d6d2cb;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.site-footer {
  min-height: 88px;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.76rem;
}

.site-footer a {
  text-underline-offset: 4px;
  text-decoration-color: #55514c;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

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

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 32px, 1120px);
  }

  .site-header {
    min-height: 72px;
  }

  .header-label {
    display: none;
  }

  .hero {
    padding: 64px 0 72px;
  }

  .hero-brand {
    font-size: clamp(3rem, 17vw, 5.2rem);
  }

  .site-footer {
    min-height: 96px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
