:root {
  color-scheme: light;
  font-family: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: #18201c;
  background: #f2f1eb;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  padding: clamp(5.5rem, 9vh, 8rem) clamp(1.5rem, 6vw, 6rem) clamp(2rem, 5vh, 4rem);
  background:
    radial-gradient(circle at 8% 15%, rgba(255, 255, 255, .95), transparent 28rem),
    radial-gradient(circle at 92% 85%, rgba(119, 161, 139, .18), transparent 30rem),
    #f2f1eb;
}

.language {
  position: fixed;
  z-index: 2;
  top: 1.5rem;
  right: 1.75rem;
  padding: .7rem 1rem;
  border: 1px solid rgba(24, 32, 28, .28);
  border-radius: 999px;
  color: inherit;
  background: rgba(242, 241, 235, .78);
  backdrop-filter: blur(12px);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}

.language:hover,
.language:focus-visible {
  color: #f8f7f2;
  background: #18201c;
}

.shell {
  width: min(1120px, 100%);
  margin: 0 auto;
}

h1 {
  max-width: 1050px;
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", STSong, Georgia, serif;
  font-size: clamp(2.6rem, 5vw, 5rem);
  font-weight: 500;
  letter-spacing: -.035em;
  line-height: 1.2;
  text-wrap: balance;
}

.intro {
  max-width: 1000px;
  margin: 1.5rem 0 0;
  color: #4f5d56;
  font-size: clamp(1.3rem, 2.2vw, 2rem);
  line-height: 1.5;
  text-wrap: pretty;
}

.english-page .intro {
  font-size: clamp(1.2rem, 1.8vw, 1.65rem);
}

.choices {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(.8rem, 1.5vw, 1.35rem);
  margin-top: clamp(3.2rem, 7vh, 6rem);
}

.choice {
  position: relative;
  display: flex;
  aspect-ratio: 1.35;
  min-width: 0;
  min-height: 250px;
  padding: clamp(1.35rem, 2.3vw, 2.15rem);
  border: 1px solid rgba(24, 32, 28, .16);
  border-radius: 1rem;
  color: #18201c;
  background: rgba(255, 255, 255, .5);
  overflow: hidden;
  text-decoration: none;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.choice::before {
  content: "";
  position: absolute;
  width: 70%;
  aspect-ratio: 1;
  right: -25%;
  bottom: -28%;
  border-radius: 50%;
  background: var(--accent);
  opacity: .52;
  transition: transform .3s ease, opacity .3s ease;
}

.choice:hover,
.choice:focus-visible {
  transform: translateY(-7px);
  border-color: rgba(24, 32, 28, .32);
  box-shadow: 0 24px 55px rgba(31, 44, 36, .14);
}

.choice:hover::before,
.choice:focus-visible::before {
  transform: scale(1.18);
  opacity: .72;
}

.choice-cv { --accent: #c8dbce; }
.choice-home { --accent: #e5cf9e; }
.choice-sky { --accent: #b9dce4; }
.choice-profile { --accent: #d9c6df; }

.number {
  position: relative;
  z-index: 1;
  color: #65736b;
  font: 700 .72rem/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .08em;
}

.choice-copy {
  position: absolute;
  z-index: 1;
  left: clamp(1.35rem, 2.3vw, 2.15rem);
  right: clamp(1.35rem, 2.3vw, 2.15rem);
  bottom: clamp(1.35rem, 2.3vw, 2.15rem);
}

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

.choice strong {
  font-family: "Noto Serif SC", "Songti SC", STSong, Georgia, serif;
  font-size: clamp(1.45rem, 2.5vw, 2.35rem);
  font-weight: 600;
  line-height: 1.18;
}

.choice small {
  max-width: 90%;
  margin-top: .65rem;
  color: #4f5d56;
  font-size: clamp(.78rem, 1vw, .92rem);
  line-height: 1.5;
}

.arrow {
  position: absolute;
  z-index: 1;
  top: clamp(1.2rem, 2vw, 1.8rem);
  right: clamp(1.2rem, 2vw, 1.8rem);
  font-size: 1.25rem;
}

.mobile-page body {
  padding: 5.5rem 1.15rem 2.5rem;
}

.mobile-page h1 {
  font-size: clamp(2.2rem, 9vw, 3rem);
}

.mobile-page .intro {
  margin-top: 1.25rem;
  font-size: clamp(1.1rem, 4.8vw, 1.4rem);
}

.mobile-page.english-page .intro {
  font-size: clamp(1rem, 4.3vw, 1.2rem);
}

.mobile-page .choices {
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2.75rem;
}

.mobile-page .choice {
  width: 100%;
  aspect-ratio: 1.3;
  padding: 1.45rem;
}

.mobile-page .choice-copy {
  left: 1.45rem;
  right: 1.45rem;
  bottom: 1.45rem;
}

.mobile-page .choice strong {
  font-size: clamp(1.7rem, 8vw, 2.6rem);
}

.mobile-page .choice small { font-size: .9rem; }

@media (max-width: 1280px) {
  .choices { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .choice { aspect-ratio: 1.6; }
}

@media (max-width: 760px) {
  body { padding: 5.5rem 1.15rem 2.5rem; }
  .language { top: 1rem; right: 1rem; }
  .choices { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before { transition: none !important; }
}