:root {
  --navy: #09111f;
  --navy-2: #111d31;
  --navy-3: #182942;
  --cream: #f4f0e8;
  --paper: #fffdf8;
  --ink: #101722;
  --muted: #687180;
  --orange: #ff5c35;
  --orange-2: #ff815f;
  --mint: #78e4bd;
  --blue: #4075ff;
  --yellow: #f9d65c;
  --lavender: #cbbef6;
  --line-dark: rgba(255, 255, 255, 0.14);
  --line-light: rgba(16, 23, 34, 0.12);
  --max: 1240px;
  --side: max(24px, calc((100vw - var(--max)) / 2));
  --shadow: 0 30px 80px rgba(3, 11, 23, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--navy);
  color: var(--cream);
  font-family: "DM Sans", "Noto Sans KR", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.lang-zh { font-family: "DM Sans", "Noto Sans SC", "Noto Sans KR", sans-serif; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { background: var(--orange); color: #fff; }

.grain {
  position: fixed;
  z-index: 100;
  inset: 0;
  pointer-events: none;
  opacity: 0.026;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 0;
  left: 20px;
  padding: 12px 16px;
  background: #fff;
  color: var(--ink);
  transform: translateY(-120%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  width: min(calc(100% - 48px), var(--max));
  min-height: 94px;
  margin-inline: auto;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line-dark);
}
.brand { display: inline-flex; align-items: center; gap: 12px; justify-self: start; }
.brand-symbol {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: #fff;
  font: 600 1.08rem "Noto Sans SC", sans-serif;
  backdrop-filter: blur(14px);
}
.brand-text { font-size: .74rem; font-weight: 700; letter-spacing: .2em; }
.main-nav { display: flex; gap: 34px; font-size: .76rem; font-weight: 600; }
.main-nav a { position: relative; padding: 10px 0; color: rgba(255,255,255,.72); }
.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--orange);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}
.main-nav a:hover { color: #fff; }
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.language-switcher {
  display: inline-flex;
  gap: 3px;
  justify-self: end;
  padding: 4px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(16px);
}
.lang-button {
  min-width: 40px;
  height: 32px;
  padding: 0 9px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(255,255,255,.58);
  cursor: pointer;
  font-size: .67rem;
  font-weight: 700;
}
.lang-button.is-active { background: #fff; color: var(--navy); }
.lang-button:focus-visible, a:focus-visible { outline: 2px solid var(--orange); outline-offset: 4px; }

main > section { width: 100%; }

.hero {
  position: relative;
  display: grid;
  min-height: 920px;
  padding: 178px var(--side) 104px;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, .72fr);
  gap: clamp(60px, 9vw, 140px);
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 26%, rgba(64,117,255,.26), transparent 24%),
    radial-gradient(circle at 12% 76%, rgba(255,92,53,.18), transparent 28%),
    linear-gradient(145deg, #07101d 0%, #0d1930 58%, #09111f 100%);
}
.hero::before {
  position: absolute;
  top: 95px;
  right: -8vw;
  width: 46vw;
  height: 46vw;
  border: 1px solid rgba(255,255,255,.075);
  border-radius: 50%;
  box-shadow: 0 0 0 8vw rgba(255,255,255,.016), 0 0 0 16vw rgba(255,255,255,.012);
  content: "";
}
.hero::after {
  position: absolute;
  right: var(--side);
  bottom: 36px;
  color: rgba(255,255,255,.045);
  content: "GLOBAL / SEO / CHINA / AI";
  font-size: clamp(2.2rem, 5vw, 5.6rem);
  font-weight: 700;
  letter-spacing: -.04em;
  white-space: nowrap;
}
.hero-copy, .hero-card { position: relative; z-index: 2; min-width: 0; }
.eyebrow {
  margin: 0;
  color: var(--orange-2);
  font-size: .69rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 11px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 6px rgba(255,92,53,.13), 0 0 22px rgba(255,92,53,.5);
}
h1 { margin: 34px 0 38px; letter-spacing: -.07em; line-height: .84; }
.display-name {
  display: block;
  color: #fff;
  font: 600 clamp(6rem, 11vw, 10.8rem) "Noto Sans SC", sans-serif;
  text-shadow: 0 14px 50px rgba(0,0,0,.2);
}
.latin-name {
  display: block;
  margin-top: 24px;
  color: var(--mint);
  font-size: clamp(1.05rem, 1.8vw, 1.55rem);
  font-weight: 700;
  letter-spacing: .34em;
}
.hero-statement {
  max-width: 810px;
  margin: 0 0 25px;
  color: #fff;
  font-size: clamp(2rem, 3.8vw, 3.55rem);
  font-weight: 600;
  letter-spacing: -.055em;
  line-height: 1.13;
}
.hero-intro {
  max-width: 720px;
  margin: 0;
  color: rgba(255,255,255,.62);
  font-size: .97rem;
  line-height: 1.95;
  word-break: keep-all;
}
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 40px; }
.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.button:hover { transform: translateY(-3px); }
.button-dark { background: var(--orange); color: #fff; box-shadow: 0 18px 42px rgba(255,92,53,.28); }
.button-dark:hover { background: #ff704d; }
.text-link { padding-bottom: 6px; border-bottom: 1px solid rgba(255,255,255,.44); color: rgba(255,255,255,.8); font-size: .79rem; font-weight: 600; }

.hero-card {
  max-width: 455px;
  padding: 14px;
  justify-self: end;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 34px;
  background: linear-gradient(150deg, rgba(255,255,255,.16), rgba(255,255,255,.055));
  box-shadow: 0 42px 100px rgba(0,0,0,.34);
  backdrop-filter: blur(24px);
  transform: rotate(1.25deg);
}
.profile-photo {
  position: relative;
  height: 445px;
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  background: #cfe2fb;
}
.profile-photo::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}
.profile-photo img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.profile-photo figcaption {
  position: absolute;
  right: 13px;
  bottom: 13px;
  padding: 8px 11px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  background: rgba(9,17,31,.8);
  color: #fff;
  font: 600 .52rem ui-monospace, monospace;
  letter-spacing: .12em;
  backdrop-filter: blur(10px);
}
.hero-skill-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 6px; margin: 8px 0 0; }
.hero-skill-strip span {
  padding: 10px 8px;
  border-radius: 10px;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.82);
  font: 700 .53rem ui-monospace, monospace;
  letter-spacing: .06em;
  text-align: center;
}
.hero-skill-strip span:first-child { background: var(--orange); color: #fff; }
.hero-skill-strip span:nth-child(2) { background: var(--mint); color: var(--navy); }
.quick-profile { margin: 15px 8px 4px; }
.quick-profile div { display: grid; grid-template-columns: 78px 1fr; gap: 12px; padding: 11px 0; border-top: 1px solid rgba(255,255,255,.12); }
.quick-profile dt { color: rgba(255,255,255,.42); font-size: .66rem; }
.quick-profile dd { margin: 0; color: #fff; font-size: .74rem; font-weight: 600; text-align: right; }

.ticker {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px var(--side);
  overflow: hidden;
  background: var(--orange);
  color: #fff;
  font-size: clamp(.72rem, 1.35vw, .91rem);
  font-weight: 700;
  letter-spacing: .1em;
  white-space: nowrap;
}
.ticker i { color: var(--navy); font-size: .5rem; }

.section { padding: 132px var(--side); }
.section-heading { display: grid; grid-template-columns: 105px minmax(0,1fr); gap: 26px; margin-bottom: 78px; }
.section-number { margin: 4px 0 0; color: var(--orange); font: 700 .69rem ui-monospace, monospace; }
.section-heading h2 {
  max-width: 900px;
  margin: 15px 0 0;
  font-size: clamp(2.6rem, 5.4vw, 5.25rem);
  letter-spacing: -.065em;
  line-height: 1.02;
}

.about {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 5%, rgba(255,92,53,.09), transparent 24%),
    var(--cream);
  color: var(--ink);
}
.about::after {
  position: absolute;
  top: 120px;
  right: -90px;
  width: 290px;
  height: 290px;
  border: 1px solid rgba(16,23,34,.09);
  border-radius: 50%;
  content: "";
}
.about .eyebrow { color: var(--orange); }
.about-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(280px,.72fr) minmax(0,1.28fr);
  gap: clamp(54px,8vw,120px);
  margin-left: 131px;
}
.about-lead { margin: 0; font-size: clamp(1.5rem,2.7vw,2.35rem); font-weight: 600; letter-spacing: -.045em; line-height: 1.48; word-break: keep-all; }
.about-details > p { margin: 0 0 44px; color: var(--muted); font-size: .97rem; line-height: 2; word-break: keep-all; }
.strength-list { border-bottom: 1px solid var(--line-light); }
.strength-list article { display: grid; grid-template-columns: 44px minmax(145px,.62fr) 1fr; gap: 18px; padding: 23px 0; border-top: 1px solid var(--line-light); align-items: baseline; }
.strength-list span { color: var(--orange); font: 700 .65rem ui-monospace, monospace; }
.strength-list h3 { margin: 0; font-size: .98rem; }
.strength-list p { margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.7; }
.career-note {
  position: relative;
  margin-top: 30px;
  padding: 29px;
  overflow: hidden;
  border-radius: 24px;
  background: var(--navy);
  color: #fff;
  box-shadow: 0 20px 50px rgba(9,17,31,.13);
}
.career-note::after { position: absolute; right: -36px; bottom: -64px; width: 150px; height: 150px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; content: ""; }
.career-note > p:first-child { margin: 0 0 15px; color: var(--orange-2); font: 700 .59rem ui-monospace, monospace; letter-spacing: .15em; }
.career-note h3 { position: relative; z-index: 1; margin: 0 0 13px; font-size: 1.28rem; letter-spacing: -.035em; }
.career-note > p:last-child { position: relative; z-index: 1; margin: 0; color: rgba(255,255,255,.64); font-size: .82rem; line-height: 1.85; }
.ai-note { margin-top: 14px; background: linear-gradient(140deg,#176249,#248363); }
.ai-note > p:first-child { color: #b8f5d7; }

.journey {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 14px;
  margin: 86px 0 0 131px;
}
.journey article {
  min-height: 260px;
  padding: 27px;
  border: 1px solid var(--line-light);
  border-radius: 24px;
  background: rgba(255,255,255,.56);
  box-shadow: 0 12px 38px rgba(16,23,34,.045);
}
.journey article:nth-child(2) { background: var(--orange); color: #fff; transform: translateY(-18px); }
.journey article:nth-child(3) { background: var(--yellow); }
.journey span { color: var(--orange); font: 700 .6rem ui-monospace, monospace; letter-spacing: .12em; }
.journey article:nth-child(2) span { color: #ffe0d7; }
.journey article:nth-child(3) span { color: #6c5700; }
.journey h3 { margin: 44px 0 15px; font-size: 1.42rem; letter-spacing: -.04em; }
.journey p { margin: 0; color: var(--muted); font-size: .84rem; line-height: 1.8; word-break: keep-all; }
.journey article:nth-child(2) p { color: rgba(255,255,255,.76); }
.journey article:nth-child(3) p { color: rgba(16,23,34,.66); }

.projects {
  position: relative;
  background:
    radial-gradient(circle at 15% 20%, rgba(64,117,255,.18), transparent 25%),
    linear-gradient(160deg,var(--navy) 0%,#0c1728 100%);
  color: #fff;
}
.projects .section-number { color: var(--mint); }
.projects .eyebrow { color: var(--mint); }
.project-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.project-card {
  display: grid;
  min-width: 0;
  min-height: 700px;
  padding: 18px;
  grid-template-rows: auto 320px auto;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 30px;
  background: rgba(255,255,255,.065);
  box-shadow: 0 22px 60px rgba(0,0,0,.14);
  backdrop-filter: blur(12px);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}
.project-card:hover { transform: translateY(-8px); border-color: rgba(255,255,255,.32); background: rgba(255,255,255,.09); }
.project-market { order: 1; }
.project-strategy { order: 2; }
.project-culture { order: 3; }
.project-rail { order: 4; }
.project-topline { display: flex; justify-content: space-between; padding: 8px 8px 18px; color: rgba(255,255,255,.46); font: 600 .62rem ui-monospace, monospace; letter-spacing: .1em; text-transform: uppercase; }
.project-visual { position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 20px; }
.project-copy { min-width: 0; padding: 29px 10px 10px; }
.project-copy h3 { margin: 0 0 16px; color: #fff; font-size: clamp(1.5rem,2.6vw,2.2rem); letter-spacing: -.045em; line-height: 1.2; }
.project-copy > p { margin: 0; color: rgba(255,255,255,.55); font-size: .87rem; line-height: 1.85; word-break: keep-all; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 24px 0 0; padding: 0; list-style: none; }
.tag-list li { padding: 7px 10px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; color: rgba(255,255,255,.72); font-size: .61rem; font-weight: 600; }
.rail-visual { gap: 11px; background: linear-gradient(135deg,#176249,#2b9975); }
.rail-visual::before { position: absolute; width: 70%; height: 8px; border-top: 2px solid #fff; border-bottom: 2px solid #fff; content: ""; }
.rail-visual span { z-index: 1; width: 48px; height: 48px; border: 2px solid #fff; border-radius: 50%; background: #237e60; }
.rail-visual span:nth-child(2) { width: 82px; height: 82px; }
.market-visual { flex-direction: column; gap: 8px; background: linear-gradient(145deg,#2859df,#1137a9); color: #fff; }
.market-visual::after { position: absolute; width: 260px; height: 260px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; right: -120px; top: -120px; content: ""; }
.market-visual b { font-size: clamp(5rem,9vw,8.8rem); letter-spacing: -.09em; line-height: .86; }
.market-visual span { width: 62%; padding-top: 7px; border-top: 1px solid rgba(255,255,255,.32); font: 600 .55rem ui-monospace, monospace; letter-spacing: .18em; }
.strategy-visual { gap: 14px; background: var(--yellow); color: var(--ink); }
.strategy-visual span { display: grid; width: 94px; height: 94px; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font: 700 .65rem ui-monospace, monospace; }
.strategy-visual i { width: 30px; height: 1px; background: var(--ink); }
.culture-visual { gap: 25px; background: linear-gradient(145deg,#d3c5ff,#a993ed); color: var(--ink); }
.culture-visual span { font: 600 clamp(3.5rem,6vw,6rem) "Noto Sans SC",sans-serif; }
.culture-visual i { font-style: normal; font-size: 2rem; }

.education {
  background:
    linear-gradient(90deg,rgba(255,255,255,.55),rgba(255,255,255,0)),
    var(--cream);
  color: var(--ink);
}
.education .eyebrow { color: var(--orange); }
.timeline { margin-left: 131px; border-top: 2px solid var(--ink); }
.timeline-item { display: grid; grid-template-columns: 190px minmax(0,1fr); gap: 35px; padding: 42px 0; border-bottom: 1px solid var(--line-light); }
.timeline-item time { color: var(--blue); font-size: 1.25rem; font-weight: 700; }
.degree { display: inline-block; margin-bottom: 12px; color: var(--orange); font-size: .65rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.timeline-item h3 { margin: 0 0 7px; font-size: clamp(1.7rem,3vw,2.65rem); letter-spacing: -.045em; }
.timeline-item p { margin: 0; color: var(--muted); }

.closing {
  position: relative;
  display: flex;
  min-height: 700px;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding: 110px var(--side);
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 85%,rgba(120,228,189,.18),transparent 24%),
    linear-gradient(145deg,#101d33,#07101d);
  text-align: center;
}
.closing::before { position: absolute; width: 480px; height: 480px; border: 1px solid rgba(255,255,255,.075); border-radius: 50%; content: ""; }
.closing > * { position: relative; z-index: 1; }
.closing h2 { max-width: 1080px; margin: 26px 0; color: #fff; font-size: clamp(3.1rem,7vw,7.2rem); letter-spacing: -.075em; line-height: .98; }
.closing > p:not(.eyebrow) { margin: 0 0 36px; color: rgba(255,255,255,.55); }
.button-light { border: 1px solid rgba(255,255,255,.18); background: #fff; color: var(--navy); box-shadow: 0 18px 50px rgba(0,0,0,.18); }

footer {
  display: grid;
  width: 100%;
  padding: 34px var(--side) 42px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-top: 1px solid var(--line-dark);
  background: #050c16;
  color: rgba(255,255,255,.38);
  font: 600 .61rem ui-monospace, monospace;
  letter-spacing: .09em;
  text-transform: uppercase;
}
footer p { margin: 0; }
footer p:nth-child(2) { justify-self: center; color: #fff; }
footer p:last-child { justify-self: end; }

.lang-zh .hero-intro,
.lang-zh .about-lead,
.lang-zh .about-details > p,
.lang-zh .project-copy h3,
.lang-zh .project-copy > p,
.lang-zh .journey p,
.lang-zh .career-note > p:last-child { word-break: break-all; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .main-nav { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 150px; }
  .hero-card { width: min(100%,540px); max-width: none; justify-self: start; transform: none; }
  .profile-photo { height: 520px; }
  .about-grid { grid-template-columns: 1fr; margin-left: 0; }
  .journey { margin-left: 0; }
  .project-list { grid-template-columns: 1fr; }
  .project-card { min-height: auto; grid-template-rows: auto 360px auto; }
  .timeline { margin-left: 0; }
}

@media (max-width: 680px) {
  :root { --side: 15px; }
  .site-header { width: calc(100% - 30px); min-height: 78px; }
  .brand-text { display: none; }
  .brand-symbol { width: 38px; height: 38px; }
  .language-switcher { gap: 1px; }
  .lang-button { min-width: 34px; height: 29px; padding: 0 6px; }
  .hero { padding-top: 126px; padding-bottom: 72px; gap: 56px; }
  .hero::before { width: 92vw; height: 92vw; right: -38vw; }
  .hero::after { display: none; }
  .display-name { font-size: clamp(5rem,26vw,7.2rem); }
  .latin-name { letter-spacing: .26em; }
  .hero-statement { font-size: clamp(2rem,10vw,3rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-card { padding: 10px; border-radius: 25px; }
  .profile-photo { height: 410px; border-radius: 18px; }
  .quick-profile { margin-inline: 5px; }
  .ticker { justify-content: flex-start; gap: 20px; padding-block: 20px; }
  .section { padding-top: 88px; padding-bottom: 88px; }
  .section-heading { grid-template-columns: 36px 1fr; gap: 10px; margin-bottom: 54px; }
  .section-heading h2 { font-size: clamp(2.5rem,12vw,3.8rem); }
  .strength-list article { grid-template-columns: 34px 1fr; }
  .strength-list p { grid-column: 2; }
  .career-note { padding: 24px; border-radius: 20px; }
  .journey { grid-template-columns: 1fr; gap: 10px; margin-top: 62px; }
  .journey article { min-height: 220px; }
  .journey article:nth-child(2) { transform: none; }
  .project-card { grid-template-rows: auto 240px auto; padding: 11px; border-radius: 22px; }
  .project-copy { padding: 25px 8px 12px; }
  .strategy-visual { gap: 7px; }
  .strategy-visual span { width: 70px; height: 70px; }
  .strategy-visual i { width: 14px; }
  .timeline-item { grid-template-columns: 1fr; gap: 18px; padding: 34px 0; }
  .closing { min-height: 620px; }
  .closing h2 { font-size: clamp(3rem,14vw,4.7rem); }
  footer { grid-template-columns: 1fr; gap: 8px; }
  footer p:nth-child(2), footer p:last-child { justify-self: start; }
}