:root {
  color-scheme: dark;
  --bg: #07090d;
  --bg-soft: #0d1118;
  --panel: rgba(19, 24, 32, 0.78);
  --panel-strong: rgba(24, 31, 42, 0.92);
  --ink: #edf0ec;
  --muted: #aeb7b4;
  --dim: #75807d;
  --line: rgba(226, 232, 226, 0.14);
  --line-warm: rgba(210, 175, 108, 0.22);
  --gold: #d8b56d;
  --blue: #83aebe;
  --green: #91a98d;
  --red: #a9665f;
  --max: 1160px;
  --radius: 26px;
  --shadow: 0 26px 90px rgba(0, 0, 0, 0.46);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(131, 174, 190, 0.18), transparent 30rem),
    radial-gradient(circle at 84% 8%, rgba(216, 181, 109, 0.13), transparent 28rem),
    radial-gradient(circle at 50% 80%, rgba(145, 169, 141, 0.08), transparent 36rem),
    linear-gradient(180deg, #05070a 0%, var(--bg) 42%, #050606 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  line-height: 1.62;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 92px 92px;
  opacity: .13;
  mask-image: linear-gradient(180deg, black, transparent 88%);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--gold); }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 8, 12, .72);
  backdrop-filter: blur(18px);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #f3f0e8;
}
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--line-warm);
  background:
    radial-gradient(circle at 44% 42%, rgba(216,181,109,.88) 0 3px, transparent 4px),
    radial-gradient(ellipse at 28% 48%, rgba(131,174,190,.45) 0 8px, transparent 9px),
    radial-gradient(ellipse at 70% 48%, rgba(216,181,109,.35) 0 8px, transparent 9px),
    rgba(255,255,255,.04);
  box-shadow: 0 0 28px rgba(216,181,109,.16);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}

.hero, .section, footer {
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: 22px;
}
main {
  position: relative;
  isolation: isolate;
}
main::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -220px;
  width: min(1600px, 150vw);
  height: 980px;
  z-index: -1;
  background: url("assets/constellation-map.svg") center / cover no-repeat;
  opacity: .28;
  filter: saturate(1.18) contrast(1.08);
  transform: translateX(-50%) rotate(90deg) scale(1.08);
  transform-origin: center;
  pointer-events: none;
}
.hero {
  min-height: 76vh;
  display: grid;
  align-items: center;
  padding-top: 84px;
  padding-bottom: 78px;
}
.eyebrow, .kicker, .status {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
  font-weight: 800;
}
h1 {
  margin: 18px 0 0;
  max-width: 820px;
  font-size: clamp(34px, 5.8vw, 68px);
  font-weight: 560;
  line-height: 1.08;
  letter-spacing: -.025em;
  text-wrap: balance;
}
.hero-copy {
  margin: 26px 0 0;
  max-width: 760px;
  color: #cbd3d0;
  font-size: clamp(18px, 2.1vw, 24px);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.045);
  color: var(--ink);
  font-weight: 750;
  font-size: 14px;
}
.btn.primary {
  background: linear-gradient(135deg, #e4c985, #a77c39);
  border-color: rgba(216,181,109,.54);
  color: #11100c;
}
.btn.quiet { color: var(--muted); }

.section { padding-top: 74px; padding-bottom: 74px; }
.section-head { max-width: 800px; margin-bottom: 30px; }
h2 {
  margin: 10px 0 0;
  font-size: clamp(32px, 5vw, 58px);
  line-height: .98;
  letter-spacing: -.035em;
  text-wrap: balance;
}
.lead { margin: 18px 0 0; color: var(--muted); font-size: 18px; }

.about-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 18px;
}
.note-card, .work-card, .small-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.024));
  border-radius: var(--radius);
  box-shadow: 0 18px 70px rgba(0,0,0,.22);
}
.note-card { padding: 28px; }
.note-card p { margin: 0 0 16px; color: #cbd3d0; }
.note-card p:last-child { margin-bottom: 0; }
.small-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.small-card { padding: 18px; }
.small-card strong { display: block; color: #f0e5cc; margin-bottom: 6px; }
.small-card span { color: var(--muted); font-size: 14px; }

.works-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.work-card {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.work-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .72;
  background: radial-gradient(circle at 20% 0%, var(--accent), transparent 22rem);
  pointer-events: none;
}
.work-card > * { position: relative; z-index: 1; }
.work-card.blade { --accent: rgba(123, 31, 40, .30); }
.work-card.age { --accent: rgba(216, 181, 109, .24); }
.work-card.algorithm { --accent: rgba(58, 143, 255, .24); }
.work-card.alchemy { --accent: rgba(145, 169, 141, .22); }
.work-card.orion { --accent: rgba(131, 174, 190, .22); }
.work-card h3 { margin: 12px 0 10px; font-size: clamp(26px, 4vw, 42px); line-height: .98; letter-spacing: -.03em; }
.work-card h3 a { color: var(--ink); text-decoration: none; }
.work-card h3 a:hover { color: #f8e7b6; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.work-card p { margin: 0; color: #c5cfcb; }
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(0,0,0,.18);
  font-size: 12px;
}
.work-card .actions { margin-top: 22px; }
.quiet-work { opacity: .86; }
.quiet-work .status { color: var(--dim); }

.archive-line {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 24px;
  color: var(--muted);
}
.archive-line strong { color: var(--ink); }

footer {
  padding-top: 42px;
  padding-bottom: 70px;
  color: var(--dim);
  border-top: 1px solid var(--line);
  margin-top: 40px;
  font-size: 14px;
}

@media (max-width: 820px) {
  .nav-links { gap: 12px; font-size: 12px; }
  .about-grid, .works-grid { grid-template-columns: 1fr; }
  .small-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 64px; }
}
@media (max-width: 560px) {
  .nav-links a:not(.lang):not(.nav-message) { display: none; }
  h1 { font-size: 52px; }
  .work-card { min-height: auto; }
}


/* Integrated work landing pages */
.work-menu {
  max-width: var(--max);
  margin: -38px auto 0;
  padding: 0 22px 38px;
  position: relative;
  z-index: 2;
}
.work-menu-inner {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 12, 18, .76);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  padding: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.work-menu a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  border: 1px solid transparent;
}
.work-menu a:hover, .work-menu a.active {
  color: var(--ink);
  border-color: var(--line-warm);
  background: rgba(216,181,109,.08);
}
.work-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 86px 22px 56px;
}
.work-hero-card {
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 38px;
  background:
    radial-gradient(circle at 14% 0%, var(--accent), transparent 28rem),
    linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.025));
  box-shadow: var(--shadow);
  padding: clamp(28px, 5vw, 58px);
  display: grid;
  align-items: end;
  overflow: hidden;
  position: relative;
}
.work-hero-card::after {
  content: "";
  position: absolute;
  inset: auto -12% -30% 42%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(255,255,255,.08), transparent 65%);
  transform: rotate(-8deg);
  pointer-events: none;
}
.work-hero-card > * { position: relative; z-index: 1; }
.work-hero h1 { max-width: 900px; }
.work-tagline {
  margin: 22px 0 0;
  max-width: 760px;
  color: #d3dad7;
  font-size: clamp(19px, 2.3vw, 27px);
}
.work-layout {
  max-width: var(--max);
  margin: 0 auto;
  padding: 36px 22px 84px;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, .42fr);
  gap: 18px;
}
.work-main, .work-side {
  display: grid;
  gap: 18px;
  align-content: start;
}
.landing-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.035);
  padding: clamp(22px, 3vw, 34px);
}
.landing-block h2, .landing-block h3 { margin-top: 0; }
.landing-block p { color: #cbd3d0; margin: 0 0 15px; }
.landing-block p:last-child { margin-bottom: 0; }
.feature-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.feature-list li {
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 10px 0;
  color: var(--muted);
}
.feature-list li strong { color: var(--ink); }
.platform-list { display: grid; gap: 10px; }
.platform-list .btn { justify-content: flex-start; border-radius: 16px; }
.breadcrumb {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 14px;
}
.breadcrumb a { color: var(--gold); }
.blade-theme { --accent: rgba(123, 31, 40, .32); }
.age-theme { --accent: rgba(216, 181, 109, .28); }
.algorithm-theme { --accent: rgba(58, 143, 255, .28); }
.alchemy-theme { --accent: rgba(145, 169, 141, .26); }
.orion-theme { --accent: rgba(131, 174, 190, .27); }
@media (max-width: 860px) {
  .work-menu { margin-top: 0; }
  .work-menu-inner { border-radius: 24px; justify-content: flex-start; }
  .work-layout { grid-template-columns: 1fr; }
  .work-hero-card { min-height: auto; }
}

.nav-links.work-nav-links {
  flex-wrap: wrap;
  justify-content: flex-end;
  row-gap: 8px;
}
.nav-links.work-nav-links a {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 6px 9px;
}
.nav-links.work-nav-links a:hover,
.nav-links.work-nav-links a.lang {
  border-color: var(--line-warm);
  background: rgba(216,181,109,.07);
}
.nav-links.work-nav-links a.nav-message {
  color: #a8efe9;
  border-color: rgba(111, 223, 214, .42);
  background: rgba(64, 190, 184, .10);
  box-shadow: 0 0 0 1px rgba(64, 190, 184, .04) inset;
}
.nav-links.work-nav-links a.nav-message:hover {
  color: #d4fffb;
  border-color: rgba(111, 223, 214, .72);
  background: rgba(64, 190, 184, .18);
}
@media (max-width: 720px) {
  .nav-inner { align-items: flex-start; flex-direction: column; }
  .nav-links.work-nav-links { justify-content: flex-start; }
}


/* Zodiac-style star map background on the front gate */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -42% -30%;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(5,7,11,.66) 0%, rgba(5,7,11,.30) 42%, rgba(5,7,11,.62) 100%),
    linear-gradient(180deg, rgba(5,7,11,.22) 0%, rgba(5,7,11,.02) 46%, rgba(5,7,11,.44) 100%),
    url("assets/constellation-map.svg") center / cover no-repeat;
  opacity: .86;
  filter: saturate(1.18) contrast(1.08);
  transform: rotate(90deg) scale(1.08);
  transform-origin: center;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(circle at 28% 44%, rgba(5,7,11,.78) 0%, rgba(5,7,11,.56) 34%, rgba(5,7,11,.1) 64%);
  pointer-events: none;
}
.hero-text {
  position: relative;
  z-index: 2;
}
@media (max-width: 900px) {
  .hero::before {
    inset: -52% -64%;
    background-position: center;
    opacity: .68;
    transform: rotate(90deg) scale(1.16);
  }
  .hero::after {
    background: radial-gradient(circle at 30% 42%, rgba(5,7,11,.82) 0%, rgba(5,7,11,.62) 42%, rgba(5,7,11,.22) 72%);
  }
}
@media (max-width: 560px) {
  .hero::before {
    inset: -58% -110%;
    opacity: .52;
    transform: rotate(90deg) scale(1.22);
  }
}

/* Message page */
.message-hero {
  min-height: 62vh;
}
.message-hero h1 {
  max-width: 780px;
}
.bilingual-head {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  max-width: none;
}
.message-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, .8fr);
  gap: 24px;
  align-items: start;
}
.message-form,
.message-note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 19, 27, .78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.message-form {
  padding: 24px;
  display: grid;
  gap: 16px;
}
.message-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
}
.message-form input,
.message-form select,
.message-form textarea {
  width: 100%;
  border: 1px solid rgba(226, 232, 226, .16);
  border-radius: 16px;
  background: rgba(255,255,255,.055);
  color: var(--ink);
  font: inherit;
  padding: 12px 14px;
  outline: none;
}
.message-form textarea {
  resize: vertical;
  min-height: 190px;
}
.message-form input:focus,
.message-form select:focus,
.message-form textarea:focus {
  border-color: rgba(216,181,109,.62);
  box-shadow: 0 0 0 3px rgba(216,181,109,.12);
}
.message-form select option {
  color: #101318;
}
.message-form .btn {
  justify-self: start;
  cursor: pointer;
}
.hidden-field {
  display: none;
}
.message-note {
  padding: 24px;
  color: #cbd3d0;
}
.message-note p {
  margin: 12px 0 0;
}
.message-note ul {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
}
.message-note li + li {
  margin-top: 8px;
}
@media (max-width: 860px) {
  .bilingual-head,
  .message-layout {
    grid-template-columns: 1fr;
  }
}