:root {
  color-scheme: dark;
  --ink: #f1f1ee;
  --muted: #9ea9aa;
  --cyan: #78dce3;
  --line: rgba(120, 220, 227, .17);
  --surface: #0b1113;
}

* { box-sizing: border-box; }
html { background: #071012; scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 6%, rgba(40, 142, 151, .18), transparent 30rem),
    linear-gradient(160deg, #111719 0%, #081012 55%, #101617 100%);
  font-family: Inter, "Noto Sans TC", "PingFang TC", system-ui, sans-serif;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .2;
  background-image: linear-gradient(rgba(120,220,227,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(120,220,227,.04) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}
a { color: inherit; }
img { max-width: 100%; }
#app { position: relative; width: min(100%, 72rem); margin: 0 auto; overflow: hidden; }
.loading { padding: 4rem 1.25rem; color: var(--muted); }
.hero { min-height: 44rem; position: relative; display: flex; align-items: flex-end; padding: 2rem 1.25rem 4.2rem; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -3; background: url("/assets/hero-studio.png") center / cover no-repeat; filter: saturate(.5) contrast(1.04); opacity: .54; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to bottom, rgba(5,9,10,.08), rgba(6,11,12,.4) 42%, #091012 91%); }
.brand-mark { position: absolute; top: 1.4rem; left: 1.25rem; width: 8.5rem; height: 3.4rem; object-fit: contain; object-position: left center; mix-blend-mode: screen; }
.portrait { position: absolute; z-index: -2; top: 7rem; right: -3.5rem; width: min(92vw, 31rem); height: 30rem; object-fit: cover; object-position: 45% center; filter: grayscale(.2) saturate(.8); mask-image: linear-gradient(to bottom, black 60%, transparent 96%); opacity: .84; }
.identity { max-width: 35rem; text-shadow: 0 2px 18px rgba(0,0,0,.7); }
.eyebrow, .section-label { margin: 0 0 1rem; color: var(--cyan); font-size: .68rem; letter-spacing: .22em; }
h1 { margin: 0; font: 600 clamp(3.8rem, 18vw, 7rem)/.95 "Noto Serif TC", serif; letter-spacing: .04em; }
.company { margin: 1.4rem 0 .45rem; font-weight: 700; letter-spacing: .06em; }
.title { margin: 0; color: #cfdbdc; font-size: .92rem; line-height: 1.7; }
.positioning { margin: 1.5rem 0 0; font: 500 1.18rem/1.7 "Noto Serif TC", serif; }
.identity-modes, .contact { padding: 4.5rem 1.25rem; background: radial-gradient(circle at 105% 35%, rgba(60,159,167,.11), transparent 25rem); }
.mode-list { border-top: 1px solid var(--line); }
.mode { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.55rem 0; border-bottom: 1px solid var(--line); }
.mode-number { color: var(--cyan); font-size: .72rem; letter-spacing: .15em; padding-top: .3rem; }
.mode h2 { margin: 0; font: 500 1.38rem/1.35 "Noto Serif TC", serif; }
.mode p { margin: .55rem 0 0; color: var(--muted); font-size: .88rem; line-height: 1.65; }
.contact { padding-top: 3.5rem; background: linear-gradient(180deg, rgba(13,22,24,.55), rgba(6,13,15,.92)); }
.section-title { margin: 0 0 2rem; font: 500 2rem/1.25 "Noto Serif TC", serif; }
.channel-list { display: grid; gap: .65rem; }
.channel { min-width: 0; display: grid; grid-template-columns: 2.7rem minmax(0,1fr) 1.5rem; align-items: center; gap: .85rem; padding: 1rem 0; text-decoration: none; border-bottom: 1px solid var(--line); }
.channel:focus-visible, .save-contact:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
.channel-icon { display: grid; place-items: center; width: 2.65rem; height: 2.65rem; border: 1px solid rgba(120,220,227,.34); border-radius: 50%; color: var(--cyan); font-weight: 700; }
.channel-copy { min-width: 0; display: grid; gap: .2rem; }
.channel-copy strong { font-size: .95rem; }
.channel-copy small { color: var(--muted); white-space: normal; overflow-wrap: anywhere; line-height: 1.45; }
.channel-arrow { color: var(--cyan); }
.save-contact { display: inline-flex; margin-top: 2.5rem; padding: .9rem 1.2rem; border: 1px solid rgba(120,220,227,.42); text-decoration: none; font-size: .86rem; letter-spacing: .04em; }
footer { display: flex; flex-direction: column; gap: .5rem; padding: 2.5rem 1.25rem 3.2rem; color: #6f7f81; font-size: .58rem; letter-spacing: .16em; border-top: 1px solid rgba(120,220,227,.1); }

@media (min-width: 760px) {
  .hero { min-height: 48rem; padding: 3rem 4rem 5rem; }
  .brand-mark { top: 2.2rem; left: 4rem; width: 11rem; }
  .portrait { right: 3rem; width: 34rem; height: 39rem; }
  .identity-modes, .contact { padding: 6rem 4rem; }
  .mode-list { display: grid; grid-template-columns: repeat(2, 1fr); }
  .mode:nth-child(odd) { padding-right: 2rem; border-right: 1px solid var(--line); }
  .mode:nth-child(even) { padding-left: 2rem; }
  .channel-list { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2.5rem; }
  footer { flex-direction: row; justify-content: space-between; padding-inline: 4rem; }
}

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