/* ==========================================================================
   비추다 · BICHUDA — site stylesheet
   Concept: 어둠 속 전시실, 유물을 비추는 한 줄기 빛.
   Rhythm: night (hero, prologue) → paper (services, programs)
           → night (works) → paper (join) → night (contact, footer)
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Night: deep indigo taken from the logo's ink */
  --night: #0d1020;
  --night-2: #12162b;
  --night-3: #1a1f3a;
  --on-night: #ece6d8;
  --on-night-dim: #b4ae9f;
  --line-night: rgba(236, 230, 216, 0.16);

  /* Light: warm gold taken from the logo's sun */
  --gold: #e6c068;
  --gold-soft: #f2d999;
  --gold-glow: rgba(230, 192, 104, 0.45);

  /* Paper: hanji */
  --paper: #f4efe5;
  --paper-2: #ebe3d3;
  --paper-3: #fffdf8;
  --ink: #1a1c28;
  --ink-dim: #565964;
  --ink-gold: #7d5a12;
  --line-paper: rgba(26, 28, 40, 0.16);

  --serif: "Noto Serif KR", "Nanum Myeongjo", "AppleMyungjo", serif;
  --sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;

  --fs-hero: clamp(2.4rem, 1.2rem + 3.1vw, 4.4rem);
  --fs-h2: clamp(2rem, 1.35rem + 2.6vw, 3.5rem);
  --fs-h3: clamp(1.3rem, 1.12rem + 0.7vw, 1.75rem);
  --fs-lead: clamp(1rem, 0.94rem + 0.3vw, 1.1875rem);

  --gutter: clamp(20px, 5vw, 56px);
  --container: 1240px;
  --header-h: 72px;
  --section-y: clamp(96px, 11vw, 168px);
  --radius: 4px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--night);
  color: var(--on-night);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  color-scheme: dark;
}
body.is-menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; }
p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--gold); color: var(--night); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.section--paper :focus-visible, .form--card :focus-visible { outline-color: var(--ink); }

.container { width: min(var(--container), 100% - var(--gutter) * 2); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: -100px; left: 16px; z-index: 100; padding: 12px 18px;
  background: var(--gold); color: var(--night); font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: 16px; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.anchor-alias { display: block; position: relative; height: 0; scroll-margin-top: calc(var(--header-h) + 16px); }
section[id] { scroll-margin-top: var(--header-h); }

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 22px;
  color: var(--ink-gold);
  font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; opacity: 0.7; }
.eyebrow--light { color: var(--gold); }

.section-title {
  font-family: var(--serif); font-size: var(--fs-h2); font-weight: 700;
  line-height: 1.32; letter-spacing: -0.035em;
}
.section-lead { max-width: 34em; color: var(--ink-dim); font-size: var(--fs-lead); line-height: 1.85; }
.section--night .section-lead { color: var(--on-night-dim); }

.text-link {
  display: inline-flex; align-items: center; gap: 10px; min-height: 44px;
  color: var(--ink-gold); font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 6px;
}
.text-link:hover { text-decoration-thickness: 2px; }
.text-link--light { color: var(--gold); }

.status { margin-top: 16px; color: var(--ink-dim); font-size: 0.875rem; }
.status:empty { display: none; }

/* ---------- Buttons ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 54px; padding: 0 28px;
  border: 1px solid transparent; border-radius: var(--radius);
  font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; text-decoration: none; white-space: nowrap;
  cursor: pointer; transition: background-color 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.3s;
}
.button:disabled { cursor: not-allowed; opacity: 0.45; }
.button--small { min-height: 44px; padding: 0 20px; font-size: 0.9375rem; }
.button--gold { background: var(--gold); color: var(--night); }
.button--gold:hover:not(:disabled) { background: var(--gold-soft); box-shadow: 0 0 36px var(--gold-glow); }
.button--ghost { border-color: rgba(236, 230, 216, 0.42); color: var(--on-night); }
.button--ghost:hover { border-color: var(--on-night); background: rgba(236, 230, 216, 0.08); }
.button--ink { background: var(--ink); color: var(--paper); }
.button--ink:hover:not(:disabled) { background: #2b2e40; }
.button--outline { border-color: var(--ink); color: var(--ink); }
.button--outline:hover { background: var(--ink); color: var(--paper); }

.icon-button {
  display: grid; place-items: center; width: 44px; height: 44px; padding: 0;
  border: 1px solid var(--line-paper); border-radius: 50%; background: transparent;
  font-size: 1.5rem; line-height: 1; cursor: pointer;
}
.icon-button:hover { background: var(--ink); color: var(--paper); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background-color 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.site-header::before {
  content: ""; position: absolute; inset: 0 0 -40px; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgba(13, 16, 32, 0.75), rgba(13, 16, 32, 0));
  transition: opacity 0.4s;
}
.site-header.is-scrolled::before, .site-header.is-open::before { opacity: 0; }
.site-header.is-scrolled {
  background: rgba(13, 16, 32, 0.94);
  border-bottom-color: var(--line-night);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
/* A backdrop-filter would become the containing block of the fixed menu and clip it. */
.site-header.is-open { background: var(--night); -webkit-backdrop-filter: none; backdrop-filter: none; }
.site-header__inner {
  position: relative; z-index: 2;
  display: flex; align-items: center; gap: 32px; height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand__mark { width: 40px; height: 40px; }
.brand__name { display: grid; font-family: var(--serif); font-size: 1.25rem; font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.brand__name small { font-family: var(--sans); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.24em; color: var(--on-night-dim); margin-top: 3px; }

.site-nav__list { display: flex; gap: clamp(20px, 2.6vw, 40px); }
.site-nav__list a {
  position: relative; display: inline-block; padding: 10px 0;
  color: var(--on-night-dim); font-size: 0.9375rem; font-weight: 500; text-decoration: none; transition: color 0.2s;
}
.site-nav__list a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px;
  background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease);
}
.site-nav__list a:hover, .site-nav__list a[aria-current="true"] { color: var(--on-night); }
.site-nav__list a:hover::after, .site-nav__list a[aria-current="true"]::after { transform: scaleX(1); }

.menu-toggle {
  display: none; position: relative; width: 44px; height: 44px; padding: 0;
  border: 0; background: transparent; cursor: pointer;
}
.menu-toggle__bar {
  position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--on-night);
  transition: transform 0.35s var(--ease), top 0.35s var(--ease);
}
.menu-toggle__bar:nth-child(1) { top: 17px; }
.menu-toggle__bar:nth-child(2) { top: 26px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) { top: 21px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) { top: 21px; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 1; overflow-y: auto;
  padding: calc(var(--header-h) + 24px) 0 40px;
  background:
    radial-gradient(60% 45% at 80% 0%, rgba(230, 192, 104, 0.16), transparent 70%),
    var(--night);
}
.mobile-menu__inner { display: flex; flex-direction: column; min-height: 100%; }
.mobile-menu__list li { border-bottom: 1px solid var(--line-night); }
.mobile-menu__list a {
  display: flex; align-items: baseline; gap: 18px; padding: 18px 0;
  font-family: var(--serif); font-size: clamp(1.6rem, 6vw, 2.2rem); font-weight: 700; text-decoration: none;
}
.mobile-menu__list span { font-family: var(--sans); font-size: 0.8125rem; color: var(--gold); letter-spacing: 0.1em; }
.mobile-menu__contact { display: grid; gap: 6px; margin-top: auto; padding-top: 40px; color: var(--on-night-dim); }
.mobile-menu__contact a { text-decoration: none; }

/* ---------- Hero: full-screen crossfade (보다 · 만지다 · 만들다 · 잇다) ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  display: grid; grid-template-rows: 1fr auto; align-items: center;
  min-height: 100vh; min-height: 100svh;
  padding: calc(var(--header-h) + 40px) 0 32px;
  background: var(--night);
}
.hero__slides { position: absolute; inset: 0; z-index: -1; }
.hero__slide { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity 1.8s var(--ease); }
.hero__slide.is-active { opacity: 1; }
.hero__slide img { width: 100%; height: 100%; object-fit: cover; object-position: 65% 50%; }
/* One shared shade so every slide keeps the headline readable and the tone consistent. */
.hero__slides::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(13, 16, 32, 0.92) 0%, rgba(13, 16, 32, 0.7) 32%, rgba(13, 16, 32, 0.12) 62%, rgba(13, 16, 32, 0) 100%),
    linear-gradient(0deg, rgba(13, 16, 32, 0.95) 0%, rgba(13, 16, 32, 0) 32%),
    linear-gradient(180deg, rgba(13, 16, 32, 0.6) 0%, rgba(13, 16, 32, 0) 18%);
}
@media (prefers-reduced-motion: no-preference) {
  .hero__slide.is-active img { animation: hero-drift 9s ease-out both; }
  @keyframes hero-drift { from { transform: scale(1.08); } to { transform: scale(1); } }
}
@media (prefers-reduced-motion: reduce) { .hero__slide { transition: none; } }

.hero__content { position: relative; }

.hero__controls { display: flex; align-items: center; gap: 28px; padding-top: 28px; border-top: 1px solid var(--line-night); }
.hero__tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; flex: 1; }
.hero__tab {
  position: relative; display: flex; align-items: baseline; gap: 12px; width: 100%; min-height: 48px; padding: 0 0 14px;
  border: 0; background: none; color: var(--on-night-dim); text-align: left; cursor: pointer; transition: color 0.3s;
}
.hero__tab:hover, .hero__tab[aria-pressed="true"] { color: var(--on-night); }
.hero__tab-num { font-size: 0.75rem; letter-spacing: 0.1em; color: var(--gold); }
.hero__tab-label { font-family: var(--serif); font-size: 1.125rem; font-weight: 700; }
.hero__tab-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(236, 230, 216, 0.18); overflow: hidden; }
.hero__tab-bar::after { content: ""; position: absolute; inset: 0; background: var(--gold); transform: scaleX(0); transform-origin: left; }
.hero__tab[aria-pressed="true"] .hero__tab-bar::after { transform: scaleX(1); }
.hero.is-playing .hero__tab[aria-pressed="true"] .hero__tab-bar::after { animation: hero-progress var(--hero-interval, 7s) linear both; }
@keyframes hero-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.hero__pause {
  display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 16px;
  border: 1px solid var(--line-night); border-radius: 999px; background: rgba(13, 16, 32, 0.4); color: var(--on-night-dim);
  font-size: 0.8125rem; cursor: pointer; white-space: nowrap;
}
.hero__pause:hover { color: var(--on-night); border-color: var(--on-night-dim); }
.hero__pause-icon { position: relative; width: 10px; height: 12px; border-left: 3px solid currentColor; border-right: 3px solid currentColor; }
.hero__pause[aria-pressed="true"] .hero__pause-icon { width: 0; height: 0; border-style: solid; border-width: 6px 0 6px 10px; border-color: transparent transparent transparent currentColor; }
.hero__note { color: var(--on-night-dim); font-size: 0.75rem; white-space: nowrap; }

.hero__title {
  max-width: 11.5em;
  font-family: var(--serif); font-size: var(--fs-hero); font-weight: 700;
  line-height: 1.2; letter-spacing: -0.04em; color: #f6f0e3;
  text-shadow: 0 2px 30px rgba(13, 16, 32, 0.6);
}
.hero__title em { font-style: normal; color: var(--gold); text-shadow: 0 0 42px var(--gold-glow), 0 2px 30px rgba(13, 16, 32, 0.6); }
.hero__lead { max-width: 30em; margin-top: 30px; color: var(--on-night-dim); font-size: var(--fs-lead); line-height: 1.9; text-shadow: 0 1px 18px rgba(13, 16, 32, 0.8); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 44px; }
/* ---------- Prologue ---------- */
.prologue {
  padding: var(--section-y) 0;
  background: linear-gradient(180deg, var(--night) 0%, var(--night-2) 100%);
}
.prologue__title {
  max-width: 15em;
  font-family: var(--serif); font-size: var(--fs-h2); line-height: 1.38; letter-spacing: -0.035em;
}
.prologue__body {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(40px, 7vw, 120px);
  align-items: start; margin-top: clamp(48px, 6vw, 80px);
}
.prologue__text { color: var(--on-night); font-size: clamp(1.0625rem, 0.98rem + 0.45vw, 1.375rem); line-height: 1.95; }
.mission {
  position: relative; padding: 36px 32px;
  border: 1px solid var(--line-night); border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(230, 192, 104, 0.09), rgba(230, 192, 104, 0) 60%);
}
.mission::before { content: ""; position: absolute; top: -1px; left: 32px; width: 56px; height: 2px; background: var(--gold); }
.mission__label { color: var(--gold); font-size: 0.875rem; font-weight: 600; letter-spacing: 0.04em; }
.mission__title { margin: 12px 0 14px; font-family: var(--serif); font-size: var(--fs-h3); line-height: 1.45; }
.mission p { color: var(--on-night-dim); }
.mission .mission__label { color: var(--gold); }
.mission__note { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line-night); font-size: 0.875rem; }

/* ---------- Sections ---------- */
.section { padding: var(--section-y) 0; }
.section--tight-top { padding-top: 0; }
.section--paper { background: var(--paper); color: var(--ink); color-scheme: light; }
.section--night {
  background: radial-gradient(80% 50% at 50% 0%, var(--night-3), var(--night) 70%);
  color: var(--on-night);
}
.section-head { margin-bottom: clamp(48px, 6vw, 80px); }
.section-head .section-lead { margin-top: 24px; }
.section-head--split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr); gap: 40px 80px; align-items: end; }
.section-head--split .section-lead { margin-top: 0; }

/* ---------- Services ---------- */
.services { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 32px; }
.service { padding-top: 28px; border-top: 1px solid var(--ink); }
.service__num { display: block; font-family: var(--serif); font-size: 2rem; color: var(--ink-gold); line-height: 1; }
.service h3 { margin: 26px 0 14px; font-family: var(--serif); font-size: 1.3125rem; line-height: 1.45; letter-spacing: -0.02em; }
.service p { color: var(--ink-dim); font-size: 0.9688rem; line-height: 1.85; }
.service small { display: block; margin-top: 18px; color: var(--ink-dim); font-size: 0.8125rem; line-height: 1.7; }
.service__proof { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line-paper); color: var(--ink-gold) !important; font-size: 0.8125rem !important; font-weight: 600; line-height: 1.6 !important; }

.process {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 2fr); gap: 48px;
  margin-top: clamp(80px, 9vw, 128px); padding: clamp(36px, 5vw, 64px);
  border-radius: var(--radius);
  background: radial-gradient(70% 120% at 0% 0%, var(--night-3), var(--night) 70%);
  color: var(--on-night); color-scheme: dark;
}
.process::before {
  content: ""; position: absolute; top: -10%; left: -6%; width: 520px; height: 140%;
  background: conic-gradient(from 166deg at 50% 0%, transparent 0deg, rgba(255, 228, 170, 0.16) 12deg, rgba(255, 228, 170, 0.16) 16deg, transparent 28deg);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 80%); mask-image: linear-gradient(180deg, #000, transparent 80%);
  filter: blur(8px); transform: rotate(-14deg); transform-origin: top center; pointer-events: none;
}
.process__title { position: relative; font-family: var(--serif); font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem); line-height: 1.4; letter-spacing: -0.03em; }
.process__steps { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.process__steps li { position: relative; padding-top: 26px; border-top: 1px solid var(--line-night); }
.process__steps li::before { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 14px var(--gold-glow); }
.process__steps span { color: var(--gold); font-size: 0.8125rem; letter-spacing: 0.1em; }
.process__steps strong { display: block; margin: 8px 0 10px; font-family: var(--serif); font-size: 1.375rem; }
.process__steps p { color: var(--on-night-dim); font-size: 0.875rem; line-height: 1.75; }

/* ---------- Programs ---------- */
.programs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(56px, 6vw, 88px) clamp(28px, 3vw, 48px); align-items: start; }
.program { min-width: 0; }
.program--feature { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.program__media { overflow: hidden; border-radius: var(--radius); background: var(--paper-2); }
.program__media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform 1.2s var(--ease); }
.program--feature .program__media img { aspect-ratio: 4 / 3; }
.program:hover .program__media img { transform: scale(1.03); }
.program__body { padding-top: 26px; }
.program--feature .program__body { padding-top: 0; }
.program__meta { color: var(--ink-gold); font-size: 0.875rem; font-weight: 600; letter-spacing: 0.02em; }
.program h3 { margin: 10px 0 14px; font-family: var(--serif); font-size: var(--fs-h3); line-height: 1.4; letter-spacing: -0.03em; }
.program--feature h3 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.5rem); }
.program__body > p { color: var(--ink-dim); line-height: 1.85; }

.disclosure { margin-top: 24px; border-top: 1px solid var(--line-paper); border-bottom: 1px solid var(--line-paper); }
.disclosure summary {
  display: flex; align-items: center; justify-content: space-between; min-height: 54px;
  font-weight: 600; cursor: pointer; list-style: none;
}
.disclosure summary::-webkit-details-marker { display: none; }
.disclosure summary::after { content: "+"; font-family: var(--serif); font-size: 1.5rem; font-weight: 500; transition: transform 0.3s var(--ease); }
.disclosure[open] summary::after { transform: rotate(45deg); }
.disclosure__body { padding: 4px 0 24px; color: var(--ink-dim); }
.disclosure__body > p { margin-bottom: 18px; }

.facts { display: grid; gap: 8px; margin-bottom: 14px; font-size: 0.9375rem; }
.facts div { display: grid; grid-template-columns: 48px 1fr; gap: 14px; }
.facts dt { color: var(--ink); font-weight: 600; }
.facts--light { margin: 28px 0 10px; padding-top: 20px; border-top: 1px solid var(--line-night); }
.facts--light dt { color: var(--gold); }
.facts--light dd { color: var(--on-night); }

/* ---------- Tabs ---------- */
.tabs__list {
  display: flex; gap: clamp(20px, 3vw, 44px); margin-bottom: clamp(36px, 4vw, 56px);
  border-bottom: 1px solid var(--line-night); overflow-x: auto; scrollbar-width: none;
}
.tabs__list::-webkit-scrollbar { display: none; }
.tabs__tab {
  position: relative; flex: none; min-height: 56px; padding: 0 2px;
  border: 0; background: none; color: var(--on-night-dim);
  font-size: 1.0625rem; font-weight: 600; cursor: pointer; transition: color 0.2s;
}
.tabs__tab::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--gold); transform: scaleX(0); transition: transform 0.35s var(--ease);
}
.tabs__tab:hover { color: var(--on-night); }
.tabs__tab[aria-selected="true"] { color: var(--on-night); }
.tabs__tab[aria-selected="true"]::after { transform: scaleX(1); }
.tabs__panel:focus-visible { outline-offset: 8px; }
.tabs--paper .tabs__list { border-bottom-color: var(--line-paper); }
.tabs--paper .tabs__tab { color: var(--ink-dim); }
.tabs--paper .tabs__tab:hover, .tabs--paper .tabs__tab[aria-selected="true"] { color: var(--ink); }
.tabs--paper .tabs__tab::after { background: var(--ink); }
@media (prefers-reduced-motion: no-preference) {
  .tabs__panel:not([hidden]) { animation: panel-in 0.6s var(--ease); }
  @keyframes panel-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
}

/* ---------- Works: archive ---------- */
.archive { position: relative; }
.archive__toolbar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px;
  margin-bottom: clamp(32px, 4vw, 56px);
}
.archive__filters { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  min-height: 44px; padding: 0 20px;
  border: 1px solid var(--line-night); border-radius: 999px; background: transparent; color: var(--on-night-dim);
  font-size: 0.9375rem; font-weight: 600; cursor: pointer; transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}
.chip:hover { border-color: var(--on-night-dim); color: var(--on-night); }
.chip[aria-pressed="true"] { border-color: var(--gold); background: var(--gold); color: var(--night); }
.archive__count { color: var(--on-night-dim); font-size: 0.9375rem; }
.archive__count strong { margin-right: 4px; font-family: var(--serif); font-size: 1.75rem; color: var(--gold); font-variant-numeric: tabular-nums; }

.archive__year { display: grid; grid-template-columns: clamp(96px, 14vw, 200px) minmax(0, 1fr); border-top: 1px solid var(--line-night); }
.archive__year[hidden] { display: none; }
.archive__year-label {
  position: sticky; top: calc(var(--header-h) + 20px); align-self: start;
  padding: 26px 0; font-family: var(--serif); font-size: clamp(2rem, 1.4rem + 2.4vw, 3.5rem); line-height: 1;
  color: transparent; -webkit-text-stroke: 1px rgba(230, 192, 104, 0.75);
}
.archive__item + .archive__item { border-top: 1px solid var(--line-night); }
.archive__item[hidden] { display: none; }
.archive__row {
  position: relative; display: grid; grid-template-columns: 110px minmax(0, 0.9fr) minmax(0, 1.4fr) 110px 76px; gap: 20px; align-items: center;
  min-height: 92px; padding: 18px 12px; text-decoration: none; outline-offset: -2px; overflow: hidden;
}
.archive__row::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity 0.4s var(--ease);
  background: linear-gradient(90deg, rgba(230, 192, 104, 0.14), rgba(230, 192, 104, 0.02) 60%, transparent);
}
.archive__row:hover::before, .archive__row:focus-visible::before { opacity: 1; }
.archive__when { color: var(--on-night-dim); font-size: 0.875rem; font-variant-numeric: tabular-nums; }
.archive__place { font-family: var(--serif); font-size: clamp(1.15rem, 1rem + 0.6vw, 1.5rem); font-weight: 700; letter-spacing: -0.02em; transition: color 0.3s; }
.archive__what { color: var(--on-night-dim); line-height: 1.6; }
.archive__field { justify-self: start; padding: 4px 10px; border: 1px solid var(--line-night); border-radius: 999px; color: var(--on-night-dim); font-size: 0.75rem; white-space: nowrap; }
.archive__go { justify-self: end; color: var(--gold); font-size: 1.375rem; transition: transform 0.35s var(--ease); }
.archive__go--note { font-size: 0.75rem; color: var(--on-night-dim); }
a.archive__row:hover .archive__place, a.archive__row:focus-visible .archive__place { color: var(--gold); }
a.archive__row:hover .archive__go, a.archive__row:focus-visible .archive__go { transform: translate(4px, -4px); }
.archive__more { display: flex; justify-content: center; padding-top: 32px; border-top: 1px solid var(--line-night); }
.archive__more[hidden] { display: none; }
.archive__item[data-preview] .archive__place::after { content: " ◦"; color: var(--gold); font-size: 0.75em; vertical-align: middle; }

.archive__preview {
  position: fixed; z-index: 40; top: 0; left: 0; width: 320px; pointer-events: none;
  opacity: 0; transform: translate3d(var(--x, 0), var(--y, 0), 0) scale(0.94);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.archive__preview.is-visible { opacity: 1; transform: translate3d(var(--x, 0), var(--y, 0), 0) scale(1); }
.archive__preview img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(230, 192, 104, 0.35);
}
@media (hover: none), (pointer: coarse) { .archive__preview { display: none; } }

/* ---------- Join: news / calendar / board ---------- */
.join__links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.news { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 56px); align-items: stretch; }
.news__feature {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 12px;
  min-height: 320px; padding: 36px; border-radius: var(--radius);
  background: radial-gradient(80% 90% at 85% 0%, var(--night-3), var(--night) 70%);
  color: var(--on-night); text-decoration: none; color-scheme: dark;
}
.news__feature::before {
  content: ""; position: absolute; top: -10%; right: -10%; width: 420px; height: 130%;
  background: conic-gradient(from 162deg at 50% 0%, transparent 0deg, rgba(255, 228, 170, 0.2) 14deg, rgba(255, 228, 170, 0.2) 20deg, transparent 34deg);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 85%); mask-image: linear-gradient(180deg, #000, transparent 85%);
  filter: blur(8px); transform: rotate(16deg); transform-origin: top center; pointer-events: none;
}
.news__feature strong { position: relative; font-family: var(--serif); font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); line-height: 1.45; }
.news__feature .news__badge { position: relative; align-self: flex-start; border-color: var(--gold); color: var(--gold); }
.news__meta { position: relative; color: var(--on-night-dim); font-size: 0.9375rem; }
.news__more { position: relative; margin-top: 8px; color: var(--gold); font-weight: 600; }
.news__feature:hover strong { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 6px; }
.news__badge {
  display: inline-flex; align-items: center; justify-content: center; min-width: 52px; min-height: 26px; padding: 0 10px;
  border: 1px solid var(--line-paper); border-radius: 999px; color: var(--ink-dim);
  font-size: 0.75rem; font-weight: 600; white-space: nowrap;
}
.news__list { border-top: 1px solid var(--ink); }
.news__list a {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 18px; align-items: center;
  padding: 22px 4px; border-bottom: 1px solid var(--line-paper); text-decoration: none; transition: background-color 0.2s;
}
.news__list a:hover { background: var(--paper-2); }
.news__list strong { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news__list time { color: var(--ink-dim); font-size: 0.875rem; font-variant-numeric: tabular-nums; }

.calendar__toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.calendar__title { font-family: var(--serif); font-size: var(--fs-h3); }
.calendar__layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; align-items: start; }
.calendar__table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.calendar__table th { padding: 10px 4px; border-bottom: 1px solid var(--ink); color: var(--ink-dim); font-size: 0.8125rem; font-weight: 600; }
.calendar__table th:first-child { color: #9b2c1c; }
.calendar__table td { height: 96px; padding: 8px 6px; vertical-align: top; border-bottom: 1px solid var(--line-paper); }
.calendar__table td.is-outside { background: transparent; }
.calendar__table td.is-today { background: var(--paper-3); box-shadow: inset 0 2px 0 var(--ink-gold); }
.calendar__date { display: block; font-size: 0.875rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.calendar__event {
  display: block; margin-top: 6px; padding: 4px 8px; border-radius: 2px;
  background: var(--ink); color: var(--paper); font-size: 0.75rem; line-height: 1.45;
  text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.calendar__event:hover { background: #2b2e40; }
.calendar__agenda { padding: 26px; border-radius: var(--radius); background: var(--paper-2); }
.calendar__agenda h4 { font-family: var(--serif); font-size: 1.125rem; margin-bottom: 8px; }
.calendar__agenda a { display: grid; gap: 4px; padding: 14px 0; border-top: 1px solid var(--line-paper); text-decoration: none; }
.calendar__agenda a:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.calendar__agenda a span { color: var(--ink-gold); font-size: 0.8125rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.calendar__agenda a strong { font-weight: 600; line-height: 1.5; }
.calendar__agenda a small { color: var(--ink-dim); font-size: 0.8125rem; }
.calendar__empty { padding-top: 8px; color: var(--ink-dim); font-size: 0.9375rem; line-height: 1.7; }

.board { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.board--notice { grid-template-columns: minmax(0, 860px); }
.board__heading { font-family: var(--serif); font-size: var(--fs-h3); margin-bottom: 18px; }
.board-post { border-top: 1px solid var(--line-paper); }
.board-post:last-child { border-bottom: 1px solid var(--line-paper); }
.board-post summary { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; align-items: center; min-height: 64px; cursor: pointer; list-style: none; }
.board-post summary::-webkit-details-marker { display: none; }
.board-post summary strong { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-post summary time { color: var(--ink-dim); font-size: 0.875rem; }
.board-post__content { padding: 0 0 20px; color: var(--ink-dim); white-space: pre-wrap; }
.board__write .form { padding: 32px; border-radius: var(--radius); background: var(--paper-2); }

/* ---------- Forms ---------- */
.form { display: grid; gap: 20px; }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form__title { font-family: var(--serif); font-size: 1.5rem; margin-bottom: 4px; }
.field { display: grid; gap: 8px; }
.field__label { font-size: 0.9375rem; font-weight: 600; }
.field__label em { margin-left: 6px; color: #8c3418; font-size: 0.75rem; font-style: normal; font-weight: 700; }
.field input, .field textarea, .field select {
  width: 100%; min-height: 52px; padding: 0 16px;
  border: 1px solid #c4baa6; border-radius: var(--radius); background: var(--paper-3); color: var(--ink);
  font-size: 1rem; transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea { padding: 14px 16px; min-height: 140px; resize: vertical; line-height: 1.7; }
.field select {
  appearance: none; padding-right: 44px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 22px) 23px, calc(100% - 16px) 23px; background-size: 6px 6px; background-repeat: no-repeat;
}
.field input::placeholder, .field textarea::placeholder { color: #7a7566; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(125, 90, 18, 0.25); outline: none; }
.form__brief { display: grid; gap: 16px; margin: 0; padding: 22px; border: 0; border-radius: var(--radius); background: var(--paper-2); }
.form__brief legend { float: left; width: 100%; margin-bottom: 4px; padding: 0; font-family: var(--serif); font-size: 1.0625rem; font-weight: 700; }
.form__brief legend span { display: block; margin-top: 2px; font-family: var(--sans); color: var(--ink-dim); font-size: 0.8125rem; font-weight: 500; }
.form__brief .field input { min-height: 46px; }
.form__help { color: var(--ink-dim); font-size: 0.875rem; }
.form__submit { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.form__status { flex: 1; color: var(--ink); font-size: 0.9375rem; line-height: 1.6; }
.privacy { color: var(--ink-dim); font-size: 0.875rem; }
.privacy summary { display: inline-flex; min-height: 36px; align-items: center; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }
.privacy dl { display: grid; gap: 6px; margin: 8px 0; }
.privacy dl div { display: grid; grid-template-columns: 76px 1fr; gap: 10px; }
.privacy dt { color: var(--ink); font-weight: 600; }
.check { display: flex; align-items: flex-start; gap: 12px; font-size: 0.9375rem; font-weight: 600; cursor: pointer; }
.check input { flex: none; width: 20px; height: 20px; margin: 3px 0 0; accent-color: var(--ink); }
.turnstile { min-height: 65px; }
.turnstile p { padding: 20px; border-radius: var(--radius); background: var(--paper-2); color: var(--ink-dim); font-size: 0.875rem; text-align: center; }

/* ---------- Contact ---------- */
.contact {
  position: relative; overflow: hidden; isolation: isolate;
  padding: var(--section-y) 0;
  background: radial-gradient(70% 60% at 15% 0%, var(--night-3), var(--night) 70%);
}
.contact__light {
  position: absolute; z-index: -1; top: -8%; left: -4%; width: min(70vw, 900px); height: 110%;
  background: conic-gradient(from 160deg at 50% 0%, transparent 0deg, rgba(255, 228, 170, 0.16) 14deg, rgba(255, 236, 196, 0.26) 19deg, rgba(255, 228, 170, 0.16) 24deg, transparent 38deg);
  -webkit-mask-image: linear-gradient(180deg, #000, rgba(0, 0, 0, 0.5) 50%, transparent 90%);
  mask-image: linear-gradient(180deg, #000, rgba(0, 0, 0, 0.5) 50%, transparent 90%);
  filter: blur(10px); mix-blend-mode: screen; transform: rotate(-16deg); transform-origin: top center;
  pointer-events: none;
}
.contact__inner { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(48px, 7vw, 112px); align-items: start; }
.contact__intro { position: sticky; top: calc(var(--header-h) + 40px); }
.contact__title { font-family: var(--serif); font-size: clamp(2rem, 1.3rem + 2.2vw, 3.125rem); line-height: 1.32; letter-spacing: -0.035em; }
.contact__title em { font-style: normal; color: var(--gold); text-shadow: 0 0 40px var(--gold-glow); }
.contact__lead { margin-top: 28px; color: var(--on-night-dim); font-size: var(--fs-lead); line-height: 1.9; }
.contact__direct { display: grid; gap: 14px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line-night); }
.contact__direct div { display: grid; grid-template-columns: 84px 1fr; align-items: baseline; }
.contact__direct dt { color: var(--on-night-dim); font-size: 0.875rem; }
.contact__direct a { font-size: clamp(1.15rem, 1rem + 0.6vw, 1.5rem); font-weight: 600; letter-spacing: -0.01em; text-decoration: none; }
.contact__direct a:hover { color: var(--gold); }
.form--card {
  padding: clamp(28px, 4vw, 48px); border-radius: var(--radius);
  background: var(--paper); color: var(--ink); color-scheme: light;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(230, 192, 104, 0.25);
}
.form--card .button--gold { background: var(--ink); color: var(--paper); }
.form--card .button--gold:hover:not(:disabled) { background: #2b2e40; box-shadow: none; }

/* ---------- Footer ---------- */
.site-footer { padding: 64px 0 44px; background: #080a15; color: var(--on-night-dim); font-size: 0.875rem; }
.site-footer__inner { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.4fr) auto; gap: 32px 48px; align-items: start; }
.site-footer__brand { display: flex; gap: 14px; align-items: center; }
.site-footer__brand strong { display: block; font-family: var(--serif); font-size: 1.125rem; color: var(--on-night); }
.site-footer__info { font-style: normal; line-height: 1.9; }
.site-footer__info a, .site-footer__links a { text-decoration: none; }
.site-footer__info a:hover, .site-footer__links a:hover { color: var(--on-night); text-decoration: underline; text-underline-offset: 4px; }
.site-footer__links { display: grid; gap: 8px; }
.site-footer__privacy { color: var(--on-night); font-weight: 700; }
.site-footer__copy { grid-column: 1 / -1; padding-top: 28px; border-top: 1px solid var(--line-night); }

/* ---------- Reveal on scroll (only when JS runs and motion is allowed) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .services { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px 32px; }
  .process { grid-template-columns: 1fr; }
  .archive__row { grid-template-columns: 96px minmax(0, 1fr) minmax(0, 1.2fr) 40px; }
  .archive__field { display: none; }
}

@media (max-width: 960px) {
  .hero__controls { flex-wrap: wrap; gap: 16px; }
  .hero__tabs { flex-basis: 100%; gap: 12px; }
  .hero__tab { flex-direction: column; gap: 2px; }
  .hero__tab-label { font-size: 1rem; }
  .site-nav, .site-header__cta { display: none; }
  .menu-toggle { display: block; }
  .section-head--split, .prologue__body, .news, .board, .contact__inner { grid-template-columns: 1fr; }
  .program--feature { grid-template-columns: 1fr; gap: 0; }
  .program--feature .program__body { padding-top: 26px; }
  .calendar__layout { grid-template-columns: 1fr; }
  .contact__intro { position: static; }
  .process__steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .site-footer__inner { grid-template-columns: 1fr; }
}


@media (max-width: 640px) {
  :root { --header-h: 64px; }
  .services, .programs, .form__row { grid-template-columns: 1fr; }
  .services { gap: 0; }
  .service { display: grid; grid-template-columns: 40px 1fr; column-gap: 12px; padding: 22px 0; }
  .service__num { font-size: 1.375rem; padding-top: 2px; }
  .service h3 { margin: 0 0 8px; font-size: 1.1875rem; }
  .service p, .service small, .service__proof { grid-column: 2; }
  .service p { font-size: 0.9375rem; line-height: 1.75; }
  .service small { margin-top: 8px; }
  .process { margin-top: 56px; gap: 28px; }
  .process__steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
  .process__steps strong { font-size: 1.1875rem; }
  .archive__year { grid-template-columns: 1fr; }
  .archive__year-label { position: static; padding: 24px 0 4px; font-size: 2.25rem; }
  .archive__row { grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px; padding: 18px 4px; }
  .archive__row > * { grid-column: 1; }
  .archive__when { order: -1; font-size: 0.8125rem; }
  .archive__go { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
  .archive__field { display: inline-block; justify-self: start; }
  .hero__actions .button { flex: 1 1 100%; }
  .hero { align-items: end; }
  .hero__slides::after {
    background:
      linear-gradient(0deg, rgba(13, 16, 32, 0.96) 0%, rgba(13, 16, 32, 0.82) 38%, rgba(13, 16, 32, 0.3) 58%, rgba(13, 16, 32, 0.05) 76%, rgba(13, 16, 32, 0.55) 100%);
  }
  .hero__slide img { object-position: center; }
  .hero__tab-num { display: none; }
  .news__list a { grid-template-columns: auto minmax(0, 1fr); }
  .news__list time { grid-column: 2; }
  .news__list strong { white-space: normal; }
  .calendar__table td { height: 64px; padding: 6px 2px; }
  .calendar__event { width: 8px; height: 8px; margin: 6px auto 0; padding: 0; border-radius: 50%; font-size: 0; }
  .form__submit { flex-direction: column; align-items: stretch; }
  .board__write .form { padding: 22px 18px; }
  .mission { padding: 30px 24px; }
  .tabs__list { gap: 18px; }
  .tabs__tab { font-size: 0.9375rem; }
}

/* ---------- Document pages (privacy policy) ---------- */
.doc-page { background: var(--paper); color: var(--ink); color-scheme: light; }
.doc-header { background: var(--night); color: var(--on-night); }
.doc-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: var(--header-h); }
.doc { padding: clamp(56px, 8vw, 104px) 0; }
.doc__inner { max-width: 820px; }
.doc__title { font-family: var(--serif); font-size: var(--fs-h2); line-height: 1.3; letter-spacing: -0.03em; }
.doc__lead { margin: 24px 0 36px; color: var(--ink-dim); font-size: var(--fs-lead); line-height: 1.9; }
.doc__toc { margin-bottom: 48px; padding: 24px 28px; border-radius: var(--radius); background: var(--paper-2); }
.doc__toc ol { list-style: decimal; padding-left: 20px; columns: 2; column-gap: 32px; }
.doc__toc li { padding: 3px 0; }
.doc__toc a { color: var(--ink); text-underline-offset: 4px; }
.doc section { padding: 32px 0; border-top: 1px solid var(--line-paper); scroll-margin-top: 16px; }
.doc h2 { margin-bottom: 14px; font-family: var(--serif); font-size: 1.375rem; }
.doc p, .doc li { color: var(--ink-dim); line-height: 1.85; }
.doc ul { list-style: disc; padding-left: 20px; display: grid; gap: 6px; margin-top: 8px; }
.doc strong { color: var(--ink); }
.doc a { color: var(--ink-gold); text-underline-offset: 4px; }
.doc__table { width: 100%; margin: 12px 0; border-collapse: collapse; font-size: 0.9375rem; }
.doc__table th, .doc__table td { padding: 12px 14px; border-bottom: 1px solid var(--line-paper); text-align: left; vertical-align: top; line-height: 1.7; }
.doc__table th { width: 30%; color: var(--ink); font-weight: 600; background: rgba(235, 227, 211, 0.5); }
.doc__table td { color: var(--ink-dim); }
@media (max-width: 640px) {
  .doc__toc ol { columns: 1; }
  .doc__table th { width: 38%; }
}