/* black, cinematic, uppercase. */
:root {
  --bg: #000;
  --fg: #fff;
  --mute: #a3a3a3;
  --dim: #6e6e6e;
  --line: rgba(255, 255, 255, .16);
  --line-strong: rgba(255, 255, 255, .5);
  --font: "Barlow", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --gutter: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: #fff; color: #000; }
:focus-visible { outline: 1px solid #fff; outline-offset: 3px; }

#cosmos { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; display: block; }

.wrap { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 var(--gutter); }

/* inline links inside prose: thin underline that thickens */
.vision a, .life a, .crew-role a, .stage-role a, .row-v a, .svc-p a, .p-auth a {
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat;
  transition: background-size .25s;
}
.vision a:hover, .life a:hover, .crew-role a:hover, .stage-role a:hover, .row-v a:hover, .svc-p a:hover { background-size: 100% 2px; }

/* ===================== buttons ===================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 32px;
  border: 2px solid #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  overflow: hidden;
  isolation: isolate;
  transition: color .3s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: #fff;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .3s var(--ease);
}
.btn:hover { color: #000; }
.btn:hover::before { transform: scaleY(1); }
.btn i { font-style: normal; }

/* ===================== nav ===================== */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 40px;
  height: 88px;
  padding: 0 var(--gutter);
  transition: transform .4s var(--ease), background .3s, height .3s;
}
.nav.solid { background: rgba(3, 5, 16, .9); height: 68px; }
@media (min-width: 1101px) { .nav.solid { background: rgba(3, 5, 16, .55); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); } }
.nav.away { transform: translateY(-100%); }
.brand {
  flex: none;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .32em;
  text-transform: uppercase;
  white-space: nowrap;
}
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a {
  position: relative;
  padding: 6px 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .82);
  transition: color .2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: #fff;
  transform: scaleX(0);
  transition: transform .3s var(--ease);
}
.nav-links a:hover, .nav-links a.on { color: #fff; }
.nav-links a:hover::after, .nav-links a.on::after { transform: scaleX(1); }

.burger { display: none; width: 32px; height: 32px; margin-left: auto; position: relative; z-index: 2; }
.burger i {
  position: absolute;
  left: 4px; right: 4px;
  height: 2px;
  background: #fff;
  transition: transform .3s var(--ease), opacity .2s;
}
.burger i:nth-child(1) { top: 9px; }
.burger i:nth-child(2) { top: 15px; }
.burger i:nth-child(3) { top: 21px; }
.burger[aria-expanded="true"] i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1100px) {
  .burger { display: block; }
  .nav-links {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(380px, 100%);
    flex-direction: column;
    gap: 0;
    padding: 110px 40px 40px;
    background: #000;
    border-left: 1px solid var(--line);
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateX(100%);
    transition: transform .45s var(--ease);
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
  .nav-links a::after { display: none; }
}

/* ===================== hero ===================== */
#hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
#scene { position: absolute; inset: 0; width: 100%; height: 100%; display: block; -webkit-mask-image: linear-gradient(#000 72%, transparent); mask-image: linear-gradient(#000 72%, transparent); }
.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, .55) 0%, rgba(0, 0, 0, .15) 45%, transparent 70%);
  pointer-events: none;
}
.hero-ui { position: relative; padding-bottom: 12vh; }
.hero-line {
  font-size: clamp(13px, 1.3vw, 16px);
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .78);
  animation: rise 1s .15s var(--ease) both;
}
.hero-name {
  margin: 14px 0 36px;
  font-size: clamp(52px, 9.2vw, 136px);
  font-weight: 700;
  line-height: .92;
  letter-spacing: .01em;
  text-transform: uppercase;
  animation: rise 1s .3s var(--ease) both;
}
.hero-name span {
  display: block;
  margin-top: 18px;
  font-size: .2em;
  font-weight: 400;
  letter-spacing: .5em;
  color: rgba(255, 255, 255, .7);
}
.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 980px;
  animation: rise 1s .45s var(--ease) both;
}
.hero-links .btn { min-width: 120px; min-height: 46px; padding: 0 22px; font-size: 13px; }
#mailText { text-transform: none; letter-spacing: .04em; }
#mailBtn:not(.shown) #mailText { text-transform: uppercase; letter-spacing: .14em; }
.hint {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  padding: 10px;
  color: rgba(255, 255, 255, .7);
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes rise { from { opacity: 0; transform: translateY(28px); } }
@keyframes bob { 50% { transform: translate(-50%, 6px); } }

/* ===================== sections ===================== */
.sec { position: relative; padding: clamp(96px, 14vh, 168px) 0; }
.title {
  margin: 0 0 clamp(40px, 6vh, 72px);
  font-size: clamp(38px, 5.4vw, 76px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .01em;
  text-transform: uppercase;
}
.title-row { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px 32px; margin-bottom: clamp(40px, 6vh, 72px); }
.title-row .title { margin: 0; }
.legend { font-size: 13px; letter-spacing: .08em; color: var(--dim); }
.title-link {
  margin-left: auto;
  padding-bottom: 4px;
  border-bottom: 2px solid #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: opacity .2s;
}
.title-link::after { content: " →"; }
.title-link:hover { opacity: .7; }
.sub {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mute);
}

/* reveal */
.rv { opacity: 0; transform: translateY(32px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.rv.in { opacity: 1; transform: none; }

/* ===================== mission ===================== */
.crew { display: flex; align-items: center; gap: 22px; margin-bottom: clamp(40px, 7vh, 80px); }
.avatar { width: 88px; height: 88px; object-fit: cover; filter: grayscale(1) contrast(1.05); border: 1px solid var(--line-strong); }
.crew-name { font-size: 20px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.crew-name span { font-weight: 400; letter-spacing: .2em; color: var(--mute); margin-left: 8px; }
.crew-role { margin-top: 4px; color: var(--mute); }
.crew-role a { color: #fff; }
.vision {
  max-width: 1120px;
  margin: 0 0 clamp(64px, 10vh, 112px);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 300;
  line-height: 1.3;
  color: var(--dim);
}
.vision strong { font-weight: 500; color: #fff; }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 48px; }
.pillar { border-top: 2px solid #fff; padding-top: 22px; }
.pillar-n { font-size: 13px; font-weight: 600; letter-spacing: .2em; color: var(--dim); }
.pillar h3 { margin: 6px 0 20px; font-size: 26px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.pillar li { padding: 12px 0; border-top: 1px solid var(--line); color: var(--mute); font-size: 15px; }
.pillar li b { display: block; font-weight: 600; color: #fff; letter-spacing: .02em; }
.life { max-width: 760px; margin: clamp(56px, 8vh, 96px) 0 0; color: var(--mute); }
.life a { color: #fff; }

/* ===================== trajectory ===================== */
.track { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 48px; position: relative; }
.track::before {
  content: "";
  position: absolute;
  top: 7px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), #fff);
}
.stage { position: relative; padding-top: 48px; }
.stage::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 15px; height: 15px;
  border: 1px solid #fff;
  border-radius: 50%;
  background: #000;
}
.stage.now::before { background: #fff; box-shadow: 0 0 0 6px rgba(255, 255, 255, .12), 0 0 24px rgba(255, 255, 255, .5); }
.stage-year { font-size: clamp(30px, 3.2vw, 46px); font-weight: 600; line-height: 1; letter-spacing: .01em; }
.stage-org { margin: 18px 0 6px; font-size: 15px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.stage-role { color: var(--mute); }
.stage-role a { color: #fff; }
.stage-note {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ===================== stats ===================== */
#stats { overflow: hidden; }
#stats .wrap { position: relative; }
.figures { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 32px; }
.figure { display: block; padding: 22px 0 8px; border-top: 1px solid var(--line-strong); transition: border-color .3s; }
.figure:hover { border-color: #fff; }
.figure b { display: block; font-size: clamp(44px, 6vw, 92px); font-weight: 600; line-height: 1; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.figure span { display: block; margin-top: 14px; font-size: 13px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--mute); }
.gh { margin-top: clamp(56px, 9vh, 104px); }
.gh-head { display: inline-block; margin-bottom: 18px; font-size: 13px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--mute); }
.gh-head::after { content: " →"; }
.gh-head:hover { color: #fff; }
.heat-wrap { overflow-x: auto; scrollbar-width: none; }
.heat-wrap::-webkit-scrollbar { display: none; }
.heat { display: grid; grid-template-rows: repeat(7, 11px); grid-auto-flow: column; grid-auto-columns: 11px; gap: 4px; width: max-content; }
.heat i { background: rgba(255, 255, 255, .07); }
.heat i[data-l="1"] { background: rgba(255, 255, 255, .25); }
.heat i[data-l="2"] { background: rgba(255, 255, 255, .45); }
.heat i[data-l="3"] { background: rgba(255, 255, 255, .7); }
.heat i[data-l="4"] { background: #fff; }

/* ===================== papers ===================== */
.pyear { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 32px; border-top: 1px solid var(--line-strong); }
.pyear-n { position: sticky; top: 88px; align-self: start; padding-top: 22px; font-size: clamp(36px, 4vw, 56px); font-weight: 600; line-height: 1; color: var(--dim); }
.pyear:hover .pyear-n { color: #fff; }
.paper { padding: 24px 0 26px; border-bottom: 1px solid var(--line); scroll-margin-top: 100px; }
.paper:last-child { border-bottom: 0; }
.p-venue { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }
.paper.first .p-venue::before { content: ""; width: 7px; height: 7px; background: #fff; }
.p-award { padding: 3px 9px; border: 1px solid #fff; color: #fff; }
.p-title { margin: 10px 0 8px; font-size: clamp(18px, 1.7vw, 22px); font-weight: 600; line-height: 1.35; }
.p-auth { font-size: 15px; color: var(--dim); }
.p-auth .author-me { color: #fff; font-weight: 600; }
.p-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.p-tags a, .p-info {
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: background .2s, color .2s, border-color .2s;
}
.p-tags a:hover { background: #fff; color: #000; border-color: #fff; }
.p-info { border-style: dashed; color: var(--mute); }

/* ===================== code ===================== */
.repos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 32px; }
.repo { display: flex; flex-direction: column; gap: 12px; padding: 24px 0 28px; border-top: 1px solid var(--line-strong); transition: border-color .3s; }
.repo:hover { border-color: #fff; }
.repo-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.repo-name { font-size: 17px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; overflow-wrap: anywhere; }
.repo-star { flex: none; font-size: 28px; font-weight: 600; line-height: 1; font-variant-numeric: tabular-nums; }
.repo-desc { flex: 1; color: var(--mute); font-size: 15px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.repo-foot { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.repo-bar { position: relative; flex: 1; max-width: 120px; height: 2px; align-self: center; background: var(--line); }
.repo-bar i { position: absolute; inset: 0 auto 0 0; background: #fff; }
.more { margin-top: 48px; text-align: center; }
.more .btn[hidden] { display: none; }

/* ===================== photos ===================== */
.strip-nav { display: flex; gap: 8px; margin-left: auto; }
.strip-nav button { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--line-strong); transition: background .2s, color .2s; }
.strip-nav button:hover { background: #fff; color: #000; }
.strip-nav + .title-link { margin-left: 0; }
.strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: 0 var(--gutter);
  padding: 0 var(--gutter);
  scrollbar-width: none;
}
.strip::-webkit-scrollbar { display: none; }
@media (min-width: 1360px) { .strip { padding-left: calc((100vw - 1360px) / 2 + var(--gutter)); scroll-padding-left: calc((100vw - 1360px) / 2 + var(--gutter)); } }
.shot { flex: none; width: clamp(240px, 28vw, 400px); scroll-snap-align: start; }
.shot-frame { position: relative; aspect-ratio: 3 / 4; overflow: hidden; background: radial-gradient(120% 80% at 70% 100%, #1b2433, #050505); }
.shot-frame img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.06); transition: opacity 1s var(--ease), transform 1.6s var(--ease); }
.shot-frame img.ok { opacity: 1; transform: none; }
.shot:hover .shot-frame img.ok { transform: scale(1.04); }
.shot-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 60%, rgba(0, 0, 0, .55)); pointer-events: none; }
.shot-cap { margin-top: 14px; font-size: 15px; font-weight: 600; letter-spacing: .04em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shot-meta { margin-top: 2px; font-size: 12px; font-weight: 600; letter-spacing: .14em; color: var(--dim); }

/* ===================== honors / rows ===================== */
.rows { border-top: 1px solid var(--line-strong); }
.row, .rows > li { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.row-k, .rows time { font-size: 14px; font-weight: 600; letter-spacing: .12em; color: var(--mute); font-variant-numeric: tabular-nums; }
.row-v b { font-weight: 600; }
.rows > li > span:last-child { color: rgba(255, 255, 255, .86); }
.log { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; margin-top: clamp(64px, 9vh, 104px); }
.log .rows > li { grid-template-columns: 120px minmax(0, 1fr); }
.log .rows a { background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat; }

/* ===================== service ===================== */
.svc { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 64px; }
.spec { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; border-top: 1px solid var(--line-strong); }
.spec > div { display: flex; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.spec dt { font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.spec dd { color: var(--mute); font-variant-numeric: tabular-nums; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 44px; }
.tags span { padding: 8px 14px; border: 1px solid var(--line-strong); font-size: 13px; font-weight: 600; letter-spacing: .12em; }
.svc-p { margin: 0 0 44px; color: rgba(255, 255, 255, .86); }
.cfp { display: inline-block; margin-left: 6px; padding: 2px 8px; border: 1px solid #fff; font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; vertical-align: 2px; }

/* ===================== footer ===================== */
footer { padding: clamp(160px, 22vh, 260px) 0 48px; }
footer .wrap { text-shadow: 0 1px 12px rgba(0, 0, 0, .6); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; font-size: 12px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: rgba(255, 255, 255, .72); }

/* ===================== responsive ===================== */
@media (max-width: 900px) {
  .pillars, .track, .figures, .repos, .log, .svc { grid-template-columns: minmax(0, 1fr); }
  .pillar + .pillar { margin-top: 40px; }
  .track::before { top: 0; bottom: 0; left: 7px; right: auto; width: 1px; height: auto; background: linear-gradient(var(--line-strong), #fff); }
  .stage { padding: 0 0 44px 44px; }
  .stage:last-child { padding-bottom: 0; }
  .figures { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
  .figure { padding-bottom: 28px; }
  .pyear { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .pyear-n { position: static; padding: 22px 0 0; }
  .svc { gap: 56px; }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  .nav { height: 68px; }
  .brand { font-size: 15px; letter-spacing: .24em; }
  .hero-ui { padding-bottom: 6vh; }
  .hero-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .hero-links .btn { min-width: 0; padding: 0 8px; }
  #mailBtn { grid-column: 1 / -1; }
  .crew { align-items: flex-start; }
  .avatar { width: 64px; height: 64px; }
  .crew-name span { display: block; margin: 2px 0 0; }
  .row, .rows > li, .log .rows > li { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .spec { grid-template-columns: minmax(0, 1fr); }
  .title-row .title-link { margin-left: 0; }
  .strip-nav { display: none; }
  .shot { width: 74vw; }
  footer .wrap { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
}