/* ==========================================================================
   PAMA — Physics, Astronomy & Mathematics Association
   Design system: futuristic minimalism. One accent, hairlines, quiet motion.

   Everything is sized in rem, and the root size grows on large screens,
   so the whole site scales up cleanly on big monitors.

   Contents
     1. Tokens            7. Sections & cards    13. Resources / FAQ / join
     2. Reset & base      8. Home                14. Footer
     3. Typography        9. Page heroes         15. Motion
     4. Buttons & icons  10. Events              16. Utilities
     5. Header & menu    11. News
     6. Landing hero     12. Team / about
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --bg: #04060c;
  --bg-2: #080b15;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.2);

  --text: #f0f2f7;
  --text-2: #b8becd;
  --text-3: #8e95a7;           /* ≥ 6:1 on --bg */

  --accent: #9edcff;           /* one accent per page — see "Page themes" */
  --accent-rgb: 158, 220, 255;
  --accent-soft: rgba(var(--accent-rgb), 0.14);
  --signal: #ffcf8f;           /* "next up" / live only */

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --font-math: "STIX Two Text", "Cambria Math", "Latin Modern Math", Georgia, serif;

  /* Type scale — keep to these steps */
  --fs-micro: 0.6875rem;   /* 11px */
  --fs-label: 0.75rem;     /* 12px */
  --fs-sm: 0.9375rem;      /* 15px */
  --fs-body: 1rem;
  --fs-h4: 1.1875rem;
  --track-label: 0.18em;
  --track-caps: 0.15em;

  --ease: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);

  --container: 80rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section: clamp(4rem, 7.5vw, 7.5rem);
  --radius: 0.875rem;
  --radius-lg: 1.375rem;
  --header-h: 5rem;
  --hero-h: max(100svh, 40rem);

  /* Inline icons (data URIs so they also work from file://) */
  --i-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.6'%3E%3Cpath d='M4 12h16m-6-6 6 6-6 6'/%3E%3C/svg%3E");
  --i-out: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.6'%3E%3Cpath d='M7 17 17 7M8 7h9v9'/%3E%3C/svg%3E");
  --i-plus: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.6'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");

  color-scheme: dark;
}
@media (max-width: 640px) { :root { --hero-h: max(100svh, 34rem); --header-h: 4.25rem; } }

/* 2. Reset & base ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 6rem; }
@media (min-width: 1440px) { html { font-size: 106.25%; } }  /* 17px */
@media (min-width: 1760px) { html { font-size: 112.5%; } }   /* 18px */
@media (min-width: 2200px) { html { font-size: 125%; } }     /* 20px */
body {
  margin: 0; min-height: 100vh;
  background: var(--bg); color: var(--text);
  font-family: var(--font-sans); font-size: var(--fs-body); line-height: 1.65; font-weight: 400;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
h1, h2, h3, h4 { font-weight: inherit; font-size: inherit; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }

.i18n-pending body { visibility: hidden; } /* French loading: avoid a flash of English */

.skip-link {
  position: fixed; top: 0.75rem; left: 0.75rem; z-index: 200;
  padding: 0.625rem 1rem; border-radius: 999px; background: var(--text); color: var(--bg);
  font-size: 0.8125rem; font-weight: 500;
  transform: translateY(-160%); transition: transform .3s var(--ease);
}
.skip-link:focus { transform: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.starfield { position: fixed; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; }
.page { position: relative; z-index: 1; }

/* 3. Typography ------------------------------------------------------------ */
/* Shared micro-label: every small mono caption uses this recipe */
.eyebrow, .card__kicker, .pillar__num, .event__mon, .post__meta, .article__date,
.sky__label, .contact-grid dt, .footer-col__title, .timeline__year, .person__role,
.placeholder-note, .month-label, .page-hero__meta, .offer__n, .label {
  font-family: var(--font-mono); font-size: var(--fs-label); font-weight: 400;
  letter-spacing: var(--track-label); text-transform: uppercase; color: var(--text-3);
}
.eyebrow { display: inline-flex; align-items: center; gap: 0.75rem; }
.eyebrow::before { content: ""; width: 1.5rem; height: 1px; background: currentColor; opacity: .7; }
.eyebrow .idx { color: var(--accent); }
.eyebrow--plain::before { display: none; }

.display { font-size: clamp(2.75rem, 6.5vw, 6rem); font-weight: 300; line-height: 1.02; letter-spacing: -0.035em; }
.h1 { font-size: clamp(2.5rem, 5.4vw, 4.75rem); font-weight: 300; line-height: 1.04; letter-spacing: -0.03em; }
.h2 { font-size: clamp(2rem, 3.8vw, 3.25rem); font-weight: 300; line-height: 1.08; letter-spacing: -0.025em; }
.h3 { font-size: clamp(1.35rem, 2vw, 1.75rem); font-weight: 400; line-height: 1.25; letter-spacing: -0.015em; }
.h4 { font-size: var(--fs-h4); font-weight: 500; line-height: 1.35; letter-spacing: -0.005em; }
.lead { font-size: clamp(1.0625rem, 1.25vw, 1.3rem); line-height: 1.6; color: var(--text-2); font-weight: 400; max-width: 58ch; }
.lead strong { color: var(--text); font-weight: 500; }
.statement { font-size: clamp(1.6rem, 3.1vw, 2.75rem); font-weight: 300; line-height: 1.22; letter-spacing: -0.022em; max-width: 26ch; }
.statement em { font-style: normal; color: var(--accent); }

/* Shared small body copy */
.card p, .pillar p, .offer p, .event__desc, .post p, .timeline__item p, .value p, .step p, .res__desc {
  font-size: var(--fs-sm); line-height: 1.7; color: var(--text-2); font-weight: 400;
}
.prose p { color: var(--text-2); font-size: 1.0625rem; line-height: 1.75; }
.prose p + p { margin-top: 1.1em; }
.prose strong { color: var(--text); font-weight: 500; }

.faint { color: var(--text-3); }
.accent { color: var(--accent); }

/* 4. Buttons, links & icons ------------------------------------------------ */
.btn {
  --h: 3rem;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.625rem;
  height: var(--h); padding-inline: 1.5rem;
  border: 1px solid var(--line-strong); border-radius: 999px;
  font-size: 0.78rem; font-weight: 500; letter-spacing: var(--track-caps); text-transform: uppercase;
  color: var(--text); white-space: nowrap;
  transition: background-color .5s var(--ease), color .5s var(--ease), border-color .5s var(--ease), box-shadow .5s var(--ease);
}
.btn:hover { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn--solid { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn--solid:hover { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 2rem rgba(var(--accent-rgb), .35); }
.btn--sm { --h: 2.25rem; padding-inline: 1.125rem; font-size: 0.7rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

.link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.78rem; font-weight: 500; letter-spacing: var(--track-caps); text-transform: uppercase; color: var(--text);
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  padding-bottom: 3px;
  transition: background-size .6s var(--ease), color .3s;
}
.link:hover { background-size: 100% 1px; color: var(--accent); }
.text-link { color: var(--text); border-bottom: 1px solid var(--line-strong); transition: border-color .3s, color .3s; }
.text-link:hover { color: var(--accent); border-color: var(--accent); }

/* Mask icons: <span class="i i-arrow"></span> */
.i { display: inline-block; width: 0.875rem; height: 0.875rem; flex-shrink: 0; background: currentColor; -webkit-mask: var(--m) center / contain no-repeat; mask: var(--m) center / contain no-repeat; }
.i-arrow { --m: var(--i-arrow); transition: transform .5s var(--ease); }
.i-out { --m: var(--i-out); transition: transform .5s var(--ease); }
.i-plus { --m: var(--i-plus); }
:is(.btn, .link, .news-card, .post, .dir__tile):hover .i-arrow { transform: translateX(4px); }
:is(.btn, .link):hover .i-out { transform: translate(2px, -2px); }

.icon { width: 1.125rem; height: 1.125rem; flex-shrink: 0; }
.icon--sm { width: 0.875rem; height: 0.875rem; }

/* 5. Header & particle menu ------------------------------------------------ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: background-color .6s var(--ease), border-color .6s var(--ease), height .6s var(--ease), opacity .9s var(--ease), transform .9s var(--ease);
}
.site-header.is-scrolled { --header-h: 4.25rem; background: rgba(4, 6, 12, 0.9); border-bottom-color: var(--line); }
.site-header__inner {
  height: 100%; max-width: 110rem; margin-inline: auto; padding-inline: var(--gutter);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem;
}
.site-header__left { display: flex; align-items: center; gap: 1.375rem; }
.site-header__center { justify-self: center; }
.site-header__right { justify-self: end; display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }

.brand {
  display: inline-flex; align-items: center; max-width: 6rem; overflow: hidden;
  transition: opacity .5s var(--ease), transform .6s var(--ease), max-width .7s var(--ease), margin .7s var(--ease);
}
.brand img { height: 1.1rem; width: auto; max-width: none; }
.is-home .site-header:not(.is-scrolled) .brand { opacity: 0; transform: translateY(-6px); pointer-events: none; max-width: 0; margin-right: -1.375rem; }

.socials { display: flex; align-items: center; gap: 1.125rem; color: var(--text-2); }
.socials a { display: inline-flex; padding: 0.375rem; margin: -0.375rem; transition: color .3s; }
.socials a:hover { color: var(--text); }

.lang { display: flex; align-items: center; gap: 0.375rem; font-size: 0.72rem; font-weight: 500; letter-spacing: var(--track-caps); color: var(--text-3); }
.lang button { padding: 0.375rem 0.125rem; letter-spacing: inherit; transition: color .3s; }
.lang button[aria-pressed="true"] { color: var(--text); }
.lang button:hover { color: var(--text); }

@media (max-width: 720px) {
  .site-header__left .socials { display: none; }
  .is-home .site-header:not(.is-scrolled) .site-header__left .socials { display: flex; }
  .site-header__center .btn { --h: 2.125rem; padding-inline: 1rem; font-size: var(--fs-micro); }
  .site-header__right > .lang { display: none; }
}

.menu { position: relative; }
.menu__toggle {
  display: inline-flex; align-items: center; gap: 0.75rem; padding: 0.625rem 0;
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-2); transition: color .3s;
}
.menu__toggle:hover, .menu.is-open .menu__toggle { color: var(--text); }
.menu__bars { position: relative; width: 1.125rem; height: 0.625rem; }
.menu__bars span { position: absolute; left: 0; right: 0; height: 1px; background: currentColor; transition: transform .6s var(--ease), top .6s var(--ease), left .6s var(--ease); }
.menu__bars span:nth-child(1) { top: 0; }
.menu__bars span:nth-child(2) { top: calc(100% - 1px); left: 0.375rem; }
.menu.is-open .menu__bars span:nth-child(1) { top: 50%; transform: rotate(45deg); }
.menu.is-open .menu__bars span:nth-child(2) { top: 50%; left: 0; transform: rotate(-45deg); }

.menu__panel {
  position: absolute; right: -0.625rem; top: 100%;
  padding: 0.75rem 0.625rem 1.75rem 7.5rem;
  display: flex; flex-direction: column; align-items: flex-end; gap: 0.125rem;
  visibility: hidden; opacity: 0; pointer-events: none;
  transition: opacity .35s var(--ease-soft), visibility 0s linear .45s;
}
.menu.is-open .menu__panel { visibility: visible; opacity: 1; pointer-events: auto; transition: opacity .35s var(--ease-soft), visibility 0s; }
.menu__item {
  display: flex; align-items: center; justify-content: flex-end; gap: 1rem; padding-block: 0.5625rem;
  transform: translateY(-14px); opacity: 0;
  transition: transform .5s var(--ease), opacity .4s var(--ease-soft);
  transition-delay: calc(var(--i) * 45ms);
}
.menu.is-open .menu__item { transform: none; opacity: 1; }
/* Manim-style "Write": the label draws itself out of the dot */
.menu__label {
  display: inline-block; white-space: nowrap;
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.26em; text-transform: uppercase; color: var(--text-2);
  clip-path: inset(0 0 0 100%); opacity: 0; transform: translateX(8px);
  transition: clip-path .7s var(--ease), opacity .4s var(--ease-soft), transform .6s var(--ease), color .3s;
  transition-delay: calc(var(--i) * 45ms + 110ms);
}
.menu.is-open .menu__label { clip-path: inset(0 -4px 0 0); opacity: 1; transform: none; }
.menu__num { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .1em; color: var(--text-3); margin-right: 0.625rem; }
.menu__dot {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; background: var(--text);
  box-shadow: 0 0 10px 2px rgba(255, 255, 255, 0.55);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), background-color .3s, opacity .3s;
}
.menu__item:hover .menu__label { color: var(--text); transform: translateX(-6px); }
.menu__item:hover .menu__dot { transform: scale(.55); opacity: .55; box-shadow: 0 0 4px 1px rgba(255,255,255,.4); }
.menu__item:focus-visible { outline: none; }
.menu__item:focus-visible .menu__label { color: var(--accent); text-decoration: underline; text-underline-offset: 6px; transform: translateX(-6px); }
.menu__item[aria-current="page"] .menu__label { color: var(--accent); }
.menu__item[aria-current="page"] .menu__dot { background: var(--accent); box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--accent), 0 0 14px 4px rgba(var(--accent-rgb), .5); }
.menu__lang { display: none; }

.menu-veil {
  position: fixed; inset: 0; z-index: 90;
  background: radial-gradient(120% 90% at 100% 0%, rgba(4,6,12,.95) 0%, rgba(4,6,12,.8) 38%, rgba(4,6,12,.25) 75%, transparent 100%);
  opacity: 0; visibility: hidden; transition: opacity .5s var(--ease-soft), visibility 0s linear .5s;
}
.menu-veil.is-visible { opacity: 1; visibility: visible; transition: opacity .5s var(--ease-soft), visibility 0s; }

@media (max-width: 720px) {
  .menu__panel { right: -0.25rem; padding-left: 3rem; }
  .menu__item { padding-block: 0.6875rem; }
  .menu__label { font-size: 0.8125rem; }
  .menu-veil { background: rgba(4,6,12,.95); }
  .menu__lang { display: flex; justify-content: flex-end; margin-top: 1.125rem; padding-top: 1rem; border-top: 1px solid var(--line); opacity: 0; transition: opacity .4s var(--ease-soft) .4s; }
  .menu.is-open .menu__lang { opacity: 1; }
  .menu__lang .lang { display: flex; font-size: 0.75rem; }
}

/* 6. Landing hero ---------------------------------------------------------- */
.hero { position: relative; min-height: var(--hero-h); display: flex; flex-direction: column; }
/* Backdrop sits outside .page so the starfield canvas drifts over it */
.hero-backdrop { position: absolute; inset: 0 0 auto 0; height: var(--hero-h); z-index: -1; overflow: hidden; pointer-events: none; }
.hero__bg {
  position: absolute; inset: -4% 0 0 0;
  background: url("../img/space.avif") center / cover no-repeat;
  transform: translate3d(0, var(--parallax, 0px), 0) scale(1.06);
  will-change: transform;
  transition: filter 1.6s var(--ease), opacity 1.6s var(--ease);
}
.hero-backdrop::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 32% at 50% 48%, rgba(4,6,12,.45), transparent 70%),
    linear-gradient(180deg, rgba(4,6,12,.35) 0%, rgba(4,6,12,.2) 35%, rgba(4,6,12,.72) 78%, var(--bg) 100%);
}
.hero__main {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: calc(var(--header-h) + 1.5rem) var(--gutter) 1.5rem;
}
.hero__logo-wrap { position: relative; width: min(72vw, 50rem); transition: transform 1.3s var(--ease); }
.hero__logo { width: 100%; height: auto; filter: drop-shadow(0 0 40px rgba(var(--accent-rgb), .12)); }
/* A single scanning light sweeps across the logo */
.hero__logo-wrap::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(100deg, transparent 35%, rgba(var(--accent-rgb), .95) 50%, transparent 65%) -150% 0 / 60% 100% no-repeat;
  -webkit-mask: url("../img/pama-logo-white.png") center / contain no-repeat; mask: url("../img/pama-logo-white.png") center / contain no-repeat;
  animation: sweep 2.6s var(--ease-soft) 0.9s both;
  mix-blend-mode: screen;
}
@keyframes sweep { from { background-position: -150% 0; } to { background-position: 260% 0; } }

.hero__title, .hero__subtitle {
  font-size: clamp(0.72rem, .85vw, 0.95rem); font-weight: 400; text-transform: uppercase;
  letter-spacing: clamp(0.28em, 0.9vw, 0.52em); padding-left: 0.5em; text-wrap: balance;
  transition: opacity 1s var(--ease), transform 1.2s var(--ease);
}
.hero__title { margin-top: clamp(1.25rem, 3vw, 2rem); color: var(--text-2); min-height: 1.6em; }
.hero__subtitle { margin-top: 0.5rem; font-style: italic; color: var(--text-3); transition-delay: .25s; }

/* Viewfinder corners around the logo */
.hud { position: absolute; inset: -12% -6%; pointer-events: none; }
.hud i { position: absolute; width: 1.25rem; height: 1.25rem; border: 1px solid rgba(255,255,255,.35); transition: transform 1.2s var(--ease), opacity 1s var(--ease); }
.hud i:nth-child(1) { top: 0; left: 0; border-width: 1px 0 0 1px; }
.hud i:nth-child(2) { top: 0; right: 0; border-width: 1px 1px 0 0; }
.hud i:nth-child(3) { bottom: 0; left: 0; border-width: 0 0 1px 1px; }
.hud i:nth-child(4) { bottom: 0; right: 0; border-width: 0 1px 1px 0; }

.hero__foot {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: clamp(1.25rem, 3.5vw, 3rem); align-items: end;
  padding: 1.5rem var(--gutter) clamp(1.5rem, 4vw, 2.75rem);
  max-width: 110rem; width: 100%; margin-inline: auto;
}
.hero__foot > * { transition: opacity 1s var(--ease), transform 1.2s var(--ease); }
.hero__foot > :nth-child(2) { transition-delay: .12s; }
.hero__foot > :nth-child(3) { transition-delay: .24s; }
.hero__foot > :nth-child(4) { transition-delay: .36s; }
.hero__foot p { font-size: 0.875rem; line-height: 1.7; color: var(--text-2); max-width: 40ch; }

/* Intro state: nothing but the logo until the visitor scrolls, taps or presses a key */
.intro-cue {
  position: absolute; left: 50%; bottom: clamp(1.5rem, 5vh, 3rem); translate: -50% 0;
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .3em; text-transform: uppercase; color: var(--text-3);
  opacity: 0; pointer-events: none; transition: opacity .8s var(--ease);
}
.intro-cue__line { width: 1px; height: 2.5rem; background: var(--line-strong); position: relative; overflow: hidden; }
.intro-cue__line::after { content: ""; position: absolute; left: 0; top: 0; width: 1px; height: 40%; background: var(--text); animation: drip 2.4s var(--ease) infinite; }

.is-intro .intro-cue { opacity: 1; transition-delay: 2.4s; }
.is-intro .site-header { opacity: 0; transform: translateY(-12px); pointer-events: none; }
.is-intro .hero__title, .is-intro .hero__subtitle { opacity: 0; transform: translateY(10px); }
.is-intro .hero__foot > * { opacity: 0; transform: translateY(18px); pointer-events: none; }
.is-intro .hero__logo-wrap { transform: translateY(2.6rem) scale(1.04); }
.is-intro .hud i { opacity: 0; }
.is-intro .hud i:nth-child(1) { transform: translate(-1.5rem, -1.5rem); }
.is-intro .hud i:nth-child(2) { transform: translate(1.5rem, -1.5rem); }
.is-intro .hud i:nth-child(3) { transform: translate(-1.5rem, 1.5rem); }
.is-intro .hud i:nth-child(4) { transform: translate(1.5rem, 1.5rem); }
.is-intro .hero__bg { filter: saturate(.75) brightness(.8); }
.is-intro .starfield { opacity: .6; }
.is-intro .brand { opacity: 0; }
@media (max-width: 960px) {
  .hero__foot { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .hero__foot .hero__col-3, .hero__foot .scroll-cue { display: none; }
}
@media (max-width: 640px) {
  .hero__main { padding-bottom: 4vh; }
  .hero__logo-wrap { width: 82vw; }
  .hero__title, .hero__subtitle { letter-spacing: .2em; padding-left: .2em; }
  .hero__foot { grid-template-columns: minmax(0, 1fr); }
  .hero__foot .hero__col-2 { display: none; }
  .hud { inset: -18% -5%; }
}

.news-card {
  display: flex; align-items: stretch; min-height: 7.5rem; max-width: 26rem;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: rgba(12, 15, 26, 0.72);
  transition: border-color .5s var(--ease), background-color .5s var(--ease), transform .6s var(--ease), opacity 1s var(--ease);
}
.news-card:hover { border-color: var(--line-strong); background: rgba(18, 22, 36, 0.8); transform: translateY(-2px); }
.news-card__media { position: relative; width: 38%; flex-shrink: 0; overflow: hidden; background: #0a0d18; }
.news-card__media svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.news-card__body { flex: 1; display: flex; flex-direction: column; justify-content: space-between; gap: 0.5rem; padding: 0.875rem 1rem; }
.news-card__kicker { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: var(--track-caps); text-transform: uppercase; color: var(--signal); display: flex; align-items: center; gap: 0.5rem; }
.news-card__kicker::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; animation: pulse 2.4s var(--ease-soft) infinite; }
.news-card__text { font-size: 0.875rem; line-height: 1.45; color: var(--text); text-wrap: pretty; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__cta { font-size: var(--fs-micro); font-weight: 600; letter-spacing: var(--track-caps); text-transform: uppercase; display: inline-flex; gap: 0.5rem; align-items: center; }

.scroll-cue {
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .24em; text-transform: uppercase; color: var(--text-3);
  writing-mode: vertical-rl; transition: color .3s, opacity 1s var(--ease), transform 1.2s var(--ease);
}
.scroll-cue:hover { color: var(--text); }
.scroll-cue__line { width: 1px; height: 3.5rem; background: var(--line-strong); position: relative; overflow: hidden; writing-mode: horizontal-tb; }
.scroll-cue__line::after { content: ""; position: absolute; left: 0; top: 0; width: 1px; height: 40%; background: var(--text); animation: drip 2.6s var(--ease) infinite; }
@keyframes drip { from { transform: translateY(-100%); } to { transform: translateY(260%); } }

/* 7. Sections, layout & cards --------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); position: relative; }
.section--tight { padding-block: calc(var(--section) * .6); }
.section + .section { border-top: 1px solid var(--line); }
.section + .section.cta, .section--flush + .section { border-top: 0; }
.stack > * + * { margin-top: var(--stack, 1rem); }

.grid { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1024px) { .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) { .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); } }

/* Split: a heading column that stays in view while the content scrolls past */
.split { display: grid; gap: clamp(2rem, 6vw, 6rem); grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); align-items: start; }
.split__aside { position: sticky; top: calc(var(--header-h) + 2rem); }
@media (max-width: 900px) {
  .split { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .split__aside { position: static; }
}

.section-head { display: grid; gap: 1.125rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.section-head--row { grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 1.5rem 2.5rem; }
@media (max-width: 720px) { .section-head--row { grid-template-columns: minmax(0, 1fr); } }

.card {
  position: relative; display: flex; flex-direction: column;
  padding: clamp(1.5rem, 2.4vw, 2.125rem);
  border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface);
  overflow: hidden; isolation: isolate;
}
.card__icon { width: 4rem; height: 2.5rem; color: var(--accent); margin-bottom: 1.5rem; }
.card__icon svg { width: 100%; height: 100%; }
.card__kicker { margin-bottom: 0.875rem; }
.card h3 { margin-bottom: 0.75rem; }
.card__foot { margin-top: auto; padding-top: 1.5rem; }
.card--center { text-align: center; align-items: center; padding-block: 3.5rem; }
.card--center p { max-width: 48ch; }

/* Only interactive cards react to the pointer */
.card--interactive { --mx: 50%; --my: 50%; transition: border-color .6s var(--ease), background-color .6s var(--ease), transform .7s var(--ease); }
.card--interactive::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(26rem circle at var(--mx) var(--my), rgba(var(--accent-rgb), .08), transparent 60%);
  opacity: 0; transition: opacity .6s var(--ease-soft);
}
.card--interactive:hover { border-color: var(--line-strong); background: var(--surface-hover); transform: translateY(-4px); }
.card--interactive:hover::before { opacity: 1; }

/* Giant outlined numeral behind a heading */
.ghost-num {
  position: absolute; right: var(--gutter); top: calc(var(--section) * .35); z-index: -1; pointer-events: none;
  font-family: var(--font-mono); font-size: clamp(6rem, 16vw, 15rem); line-height: 1; font-weight: 400; letter-spacing: -0.06em;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.07);
}
@media (max-width: 640px) { .ghost-num { font-size: 6rem; top: 1.5rem; } }

/* 8. Home ----------------------------------------------------------------- */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); margin-top: clamp(3rem, 6vw, 5rem); }
.pillar { position: relative; padding: 2rem clamp(0rem, 2vw, 2rem) 0.5rem 0; }
.pillar + .pillar { border-left: 1px solid var(--line); padding-left: clamp(1.25rem, 3vw, 2.5rem); }
.pillar__art { width: 100%; max-width: 14rem; height: 7rem; margin: 1.5rem 0; color: var(--text-2); }
.pillar h3 { font-size: 1.5rem; font-weight: 400; letter-spacing: -0.01em; margin-bottom: 0.625rem; }
.pillar p { max-width: 34ch; }
@media (max-width: 900px) {
  .pillars { grid-template-columns: minmax(0, 1fr); }
  .pillar { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 0 1.25rem; padding: 1.5rem 0; }
  .pillar + .pillar { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .pillar__num { grid-column: 1 / -1; }
  .pillar__art { grid-row: 2 / span 2; width: 7rem; height: 5rem; margin: 0.75rem 0 0; }
  .pillar h3 { margin-top: 0.75rem; }
}

/* Keyword ticker */
.ticker {
  position: relative; overflow: hidden; padding-block: clamp(1.25rem, 2.5vw, 2rem);
  border-block: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track { display: flex; width: max-content; animation: ticker 60s linear infinite; }
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__list { display: flex; flex-shrink: 0; }
.ticker__list span {
  font-size: clamp(1.5rem, 3.2vw, 2.75rem); font-weight: 300; letter-spacing: -0.02em; white-space: nowrap;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.35); padding-right: 0.9em;
}
.ticker__list span:nth-child(3n+2) { color: var(--text); -webkit-text-stroke: 0; }
.ticker__list span::after { content: "·"; color: var(--accent); -webkit-text-stroke: 0; margin-left: 0.9em; }
@keyframes ticker { to { transform: translateX(-50%); } }

.equation {
  position: relative; text-align: center; padding: clamp(4rem, 8vw, 7rem) var(--gutter);
  border-block: 1px solid var(--line);
  background: radial-gradient(ellipse 45% 70% at 50% 50%, rgba(var(--accent-rgb), .08), transparent 70%);
}
.equation__formula {
  font-family: var(--font-math); font-size: clamp(1.9rem, 5.5vw, 4.4rem); font-weight: 400; line-height: 1.2;
  margin: 1.75rem auto 1.375rem; min-height: 1.3em; max-width: 100%;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .5s var(--ease-soft), filter .5s var(--ease-soft), transform .8s var(--ease);
}
.equation__math { display: inline-block; white-space: nowrap; }
.equation__formula sub, .equation__formula sup { font-size: .55em; }
.equation__formula.is-swapping { opacity: 0; filter: blur(8px); transform: translateY(8px); }
.equation__caption { color: var(--text-2); font-size: var(--fs-sm); max-width: 50ch; margin-inline: auto; min-height: 3.4em; transition: opacity .5s var(--ease-soft); }
.equation__caption.is-swapping { opacity: 0; }
.equation__nav { display: flex; justify-content: center; gap: 0.625rem; margin-top: 1.5rem; }
.equation__dot { position: relative; width: 1.75rem; height: 2px; border-radius: 2px; background: var(--line-strong); transition: background-color .4s, width .6s var(--ease); }
.equation__dot::after { content: ""; position: absolute; inset: -0.875rem -0.25rem; }
.equation__dot:hover { background: var(--text-3); }
.equation__dot[aria-current="true"] { background: var(--accent); width: 2.75rem; }
@media (max-width: 640px) {
  .equation__formula { font-size: clamp(1.5rem, 7.4vw, 2.3rem); min-height: 2.6em; }
  .equation__math { white-space: normal; }
}

.cta { position: relative; text-align: center; overflow: hidden; }
.cta__orbit { position: absolute; left: 50%; top: 50%; width: min(70rem, 150vw); aspect-ratio: 1; translate: -50% -50%; z-index: -1; opacity: .5; color: var(--line-strong); pointer-events: none; }
.cta__orbit .spin { transform-origin: 200px 200px; animation: spin 90s linear infinite; }
.cta__title { max-width: 16ch; margin: 1.5rem auto 0; }
.cta .lead { margin: 1.5rem auto 0; }
.cta .btn-row { justify-content: center; margin-top: 2.5rem; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 9. Page heroes — each page gets its own instrument ---------------------- */
.page-hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding: calc(var(--header-h) + clamp(3rem, 7vw, 6rem)) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
}
/* A faint nebula glow instead of repeating the photo on every page */
.page-hero::before {
  content: ""; position: absolute; inset: -20% -10% 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(40% 55% at var(--gx, 78%) var(--gy, 30%), rgba(var(--accent-rgb), .13), transparent 70%),
    radial-gradient(35% 45% at calc(var(--gx, 78%) - 18%) calc(var(--gy, 30%) + 25%), rgba(160,130,255,.08), transparent 70%);
}
/* A fine coordinate grid that fades out */
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 4rem 4rem; background-position: center top;
  -webkit-mask-image: radial-gradient(60% 70% at var(--gx, 78%) 40%, rgba(0,0,0,.55), transparent 75%);
  mask-image: radial-gradient(60% 70% at var(--gx, 78%) 40%, rgba(0,0,0,.55), transparent 75%);
}
.page-hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.page-hero .h1 { margin-top: 1.375rem; max-width: 14ch; }
.page-hero .lead { margin-top: 1.5rem; }
.page-hero__meta { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1.75rem; line-height: 1.6; letter-spacing: .12em; }
.page-hero__meta b { color: var(--text); font-weight: 400; margin-left: 0.5em; }
.page-hero__visual { position: relative; min-height: 18rem; display: grid; place-items: center; }
@media (max-width: 900px) {
  .page-hero__grid { grid-template-columns: minmax(0, 1fr); }
  .page-hero__visual { min-height: 0; }
}

/* About — orrery */
.orrery { width: min(100%, 30rem); aspect-ratio: 1; color: var(--text-2); }
.orrery text { font-family: var(--font-mono); font-size: 9px; letter-spacing: .18em; fill: var(--text-3); text-transform: uppercase; }
@media (max-width: 900px) { .orrery { width: min(100%, 20rem); margin-inline: auto; } }

/* Events — countdown */
.countdown { position: relative; width: min(100%, 32rem); padding: clamp(1.5rem, 3vw, 2.25rem); border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: rgba(8,11,21,.72); }
.countdown__digits { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.5rem; margin: 1.25rem 0 1.5rem; }
.countdown__unit { text-align: left; }
.countdown__unit b { display: block; font-family: var(--font-mono); font-size: clamp(2rem, 4.2vw, 3.4rem); font-weight: 400; line-height: 1; letter-spacing: -0.04em; color: var(--text); font-variant-numeric: tabular-nums; }
.countdown__unit span { display: block; margin-top: 0.5rem; font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .2em; text-transform: uppercase; color: var(--text-3); }
.countdown__event { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.countdown__event strong { display: block; font-size: 1.0625rem; font-weight: 500; }
.countdown__event small { display: block; color: var(--text-2); font-size: var(--fs-sm); margin-top: 0.25rem; }
.countdown__event:hover strong { color: var(--accent); }
.countdown .label { display: flex; align-items: center; gap: 0.5rem; color: var(--signal); }
.countdown .label::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; animation: pulse 2s var(--ease-soft) infinite; }
.corner-ticks::after {
  content: ""; position: absolute; inset: -1px; pointer-events: none; border-radius: inherit;
  --t: 0.875rem; --c: rgba(var(--accent-rgb), .7);
  background:
    linear-gradient(var(--c), var(--c)) top left / var(--t) 1px no-repeat, linear-gradient(var(--c), var(--c)) top left / 1px var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) top right / var(--t) 1px no-repeat, linear-gradient(var(--c), var(--c)) top right / 1px var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) bottom left / var(--t) 1px no-repeat, linear-gradient(var(--c), var(--c)) bottom left / 1px var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) bottom right / var(--t) 1px no-repeat, linear-gradient(var(--c), var(--c)) bottom right / 1px var(--t) no-repeat;
}

/* Team — constellation */
.constellation { position: relative; width: min(100%, 34rem); aspect-ratio: 4 / 3; }
.constellation svg { width: 100%; height: 100%; overflow: visible; }
.constellation line { stroke: rgba(var(--accent-rgb), .28); stroke-width: 1; vector-effect: non-scaling-stroke; }
.constellation .star { cursor: pointer; }
.constellation .star circle { fill: var(--text); transition: r .4s var(--ease), fill .3s; }
.constellation .star .halo { fill: rgba(var(--accent-rgb), .12); stroke: rgba(var(--accent-rgb), .35); stroke-width: 1; vector-effect: non-scaling-stroke; transform-box: fill-box; transform-origin: center; transform: scale(.4); opacity: 0; transition: transform .6s var(--ease), opacity .4s; }
.constellation .star text { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; fill: var(--text-3); transition: fill .3s; pointer-events: none; }
.constellation .star:is(:hover, :focus-visible, .is-active) .halo { transform: scale(1); opacity: 1; }
.constellation .star:is(:hover, :focus-visible, .is-active) text { fill: var(--text); }
.constellation .star:focus { outline: none; }
.constellation .star--grad circle { fill: var(--accent); }
.constellation__tip {
  position: absolute; left: 0; bottom: 0; min-height: 3.2em; font-size: var(--fs-sm); color: var(--text-2);
  border-left: 1px solid var(--accent); padding-left: 0.875rem;
}
.constellation__tip strong { display: block; color: var(--text); font-weight: 500; }
@media (max-width: 900px) { .constellation { width: min(100%, 28rem); margin-inline: auto; } }

/* Resources — directory */
.dir { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; width: min(100%, 32rem); background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.dir__tile { display: flex; flex-direction: column; justify-content: space-between; gap: 1.75rem; padding: 1.375rem; background: var(--bg-2); transition: background-color .4s var(--ease-soft); }
.dir__tile:hover { background: #0e1322; }
.dir__tile .label { color: var(--accent); }
.dir__count { font-family: var(--font-mono); font-size: clamp(2rem, 3.5vw, 2.75rem); line-height: 1; letter-spacing: -0.04em; color: var(--text); }
.dir__name { display: flex; justify-content: space-between; align-items: center; font-size: 1rem; }

/* News — oscilloscope */
.scope { position: relative; width: min(100%, 34rem); aspect-ratio: 16 / 9; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: rgba(8,11,21,.72); overflow: hidden; }
.scope canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.scope__readout { position: absolute; left: 1.125rem; right: 1.125rem; bottom: 0.875rem; display: flex; justify-content: space-between; gap: 1rem; font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .16em; text-transform: uppercase; color: var(--text-3); }
.scope__readout b { color: var(--accent); font-weight: 400; }

/* Join — orbit insertion */
.insertion { width: min(100%, 28rem); aspect-ratio: 1; color: var(--text-2); }
.stat-trio { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0 clamp(1.5rem, 4vw, 3rem); margin-top: 2.25rem; }
.stat-trio div { border-left: 1px solid var(--line-strong); padding-left: 1rem; }
.stat-trio b { display: block; font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 300; line-height: 1.1; letter-spacing: -0.03em; }
.stat-trio span { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .18em; text-transform: uppercase; color: var(--text-3); }
@media (max-width: 900px) { .insertion { width: min(100%, 18rem); margin-inline: auto; } }

/* 10. Events -------------------------------------------------------------- */
.event-list { border-top: 1px solid var(--line); }
.event {
  position: relative;
  display: grid; grid-template-columns: 7rem minmax(0, 1fr) 13rem auto; gap: clamp(1rem, 2.5vw, 2.25rem); align-items: center;
  padding: 1.625rem 0.5rem; border-bottom: 1px solid var(--line);
  transition: background-color .5s var(--ease-soft);
}
.event::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .9s var(--ease); }
.event:hover { background: linear-gradient(90deg, rgba(var(--accent-rgb), .04), transparent 70%); }
.event:hover::before { transform: scaleX(1); }
.event:target { background: linear-gradient(90deg, rgba(var(--accent-rgb), .07), transparent 70%); }
.event__date { display: flex; align-items: baseline; gap: 0.625rem; }
.event__day { font-size: 2.5rem; font-weight: 200; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.event__mon { color: var(--text-2); line-height: 1.5; }
.event__mon small { display: block; color: var(--text-3); font-size: var(--fs-micro); }
.event__title { font-size: 1.25rem; font-weight: 400; letter-spacing: -0.01em; }
.event__desc { margin-top: 0.375rem; max-width: 62ch; }
.event__meta { font-family: var(--font-mono); font-size: 0.78rem; line-height: 1.8; color: var(--text-3); }
.event__meta span { display: flex; gap: 0.5rem; align-items: flex-start; }
.event__meta .icon { margin-top: 0.3rem; }
.event__actions { display: flex; gap: 0.5rem; justify-self: end; }
.event__tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.625rem; }
.event.is-past .event__day, .event.is-past .event__title { color: var(--text-2); }
.event.is-past .event__desc { color: var(--text-3); }
.tag {
  display: inline-flex; align-items: center; gap: 0.4375rem; height: 1.5rem; padding-inline: 0.625rem; border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .14em; text-transform: uppercase; color: var(--text-2); white-space: nowrap;
}
.tag::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--text-3); }
.tag--next { border-color: rgba(255,207,143,.5); color: var(--signal); }
.tag--next::before { background: var(--signal); }
.icon-btn {
  width: 2.5rem; height: 2.5rem; display: inline-grid; place-items: center; border-radius: 50%;
  border: 1px solid var(--line-strong); color: var(--text-2);
  transition: background-color .4s var(--ease), color .4s, border-color .4s;
}
.icon-btn:hover { background: var(--text); color: var(--bg); border-color: var(--text); }
@media (max-width: 1100px) {
  .event { grid-template-columns: 5.5rem minmax(0, 1fr) auto; row-gap: 0.75rem; }
  .event__meta { grid-column: 2; grid-row: 2; display: flex; flex-wrap: wrap; gap: 0 1.5rem; }
  .event__actions { grid-row: 1 / span 2; grid-column: 3; align-self: center; }
}
@media (max-width: 600px) {
  .event { grid-template-columns: minmax(0, 1fr) auto; padding: 1.375rem 0; gap: 0.625rem 1rem; }
  .event__date { grid-column: 1; grid-row: 1; }
  .event__day { font-size: 2rem; }
  .event__actions { grid-column: 2; grid-row: 1; }
  .event__body, .event__meta { grid-column: 1 / -1; grid-row: auto; }
  .event__meta { display: block; }
}

/* Filter chips: wrap on desktop, a swipeable row on phones */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
@media (max-width: 720px) {
  .filters {
    flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter);
    -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent);
  }
  .filters::-webkit-scrollbar { display: none; }
  .chip { flex-shrink: 0; }
}
.chip {
  height: 2.375rem; padding-inline: 1rem; border-radius: 999px; border: 1px solid var(--line); color: var(--text-2);
  font-size: 0.72rem; font-weight: 500; letter-spacing: var(--track-caps); text-transform: uppercase;
  transition: background-color .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease);
}
.chip:hover { border-color: var(--line-strong); color: var(--text); }
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
[data-events-full] { transition: opacity .25s var(--ease-soft); }
[data-events-full].is-swapping { opacity: 0; }

.month-label { display: flex; align-items: center; gap: 1rem; margin: 3rem 0 0.5rem; }
.month-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.month-label:first-child { margin-top: 0; }
.empty { padding: 3rem 0; color: var(--text-3); font-size: var(--fs-sm); }

.sky { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.5rem; align-items: center; padding: 1.5rem 1.75rem; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.sky__moon { width: 4rem; height: 4rem; }
.sky__value { font-size: 1.15rem; margin-top: 0.25rem; }
.sky__note { font-size: var(--fs-sm); color: var(--text-2); margin-top: 0.25rem; }

/* Add-to-calendar popover */
.cal { position: relative; }
.cal[open] { z-index: 5; }
.cal > summary { list-style: none; cursor: pointer; }
.cal > summary::-webkit-details-marker { display: none; }
.cal[open] > summary { background: var(--text); color: var(--bg); border-color: var(--text); }
.cal__menu {
  position: absolute; right: 0; top: calc(100% + 0.5rem); min-width: 14rem; padding: 0.375rem;
  border: 1px solid var(--line-strong); border-radius: 0.75rem; background: #0b0e18;
  box-shadow: 0 1.5rem 3rem rgba(0, 0, 0, .55);
  animation: fade-down .4s var(--ease);
}
.cal__menu a, .cal__menu button {
  display: flex; width: 100%; padding: 0.625rem 0.75rem; border-radius: 0.5rem;
  font-size: 0.8125rem; color: var(--text-2); text-align: left; white-space: nowrap;
  transition: background-color .25s, color .25s;
}
.cal__menu a:hover, .cal__menu button:hover { background: var(--surface-hover); color: var(--text); }

.archive-more > summary { list-style: none; cursor: pointer; margin: 1.75rem 0 0.5rem; }
.archive-more > summary::-webkit-details-marker { display: none; }
.archive-more[open] > summary { margin-bottom: 0; }

/* Home: a lighter events preview */
[data-events-upcoming] .event__desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (min-width: 1101px) {
  .split [data-events-upcoming] .event { grid-template-columns: 6rem minmax(0, 1fr) auto; row-gap: 0.625rem; }
  .split [data-events-upcoming] .event__meta { grid-column: 2; grid-row: 2; display: flex; flex-wrap: wrap; gap: 0 1.5rem; }
  .split [data-events-upcoming] .event__actions { grid-row: 1 / span 2; grid-column: 3; }
}

/* 11. News ---------------------------------------------------------------- */
.post { display: flex; flex-direction: column; }
.post__media { aspect-ratio: 16 / 10; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #080b15; margin-bottom: 1.375rem; transition: border-color .6s var(--ease); }
.post__media svg { width: 100%; height: 100%; transition: transform 1.2s var(--ease); }
.post:hover .post__media { border-color: var(--line-strong); }
.post:hover .post__media svg { transform: scale(1.04); }
.post__meta { display: flex; flex-wrap: wrap; gap: 0.25rem 0.875rem; align-items: center; margin-bottom: 0.75rem; }
.post h3 { font-size: 1.3rem; font-weight: 400; letter-spacing: -0.012em; line-height: 1.35; transition: color .3s; }
.post:hover h3 { color: var(--accent); }
.post p { margin-top: 0.625rem; }
@media (max-width: 900px) and (min-width: 601px) {
  .grid--3[data-news-latest] > :nth-child(3) { display: none; }
}

.article-list { border-top: 1px solid var(--line); }
.article { border-bottom: 1px solid var(--line); }
.article > summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: 9.5rem minmax(0, 1fr) 2.5rem; gap: 0.5rem clamp(1rem, 3vw, 2.5rem); align-items: start;
  padding: 1.75rem 0;
}
.article > summary::-webkit-details-marker { display: none; }
.article > summary > .article__date { grid-column: 1; grid-row: 1 / span 2; padding-top: 0.375rem; line-height: 1.7; }
.article > summary > .article__title { grid-column: 2; grid-row: 1; }
.article > summary > .article__excerpt { grid-column: 2; grid-row: 2; }
.article > summary > .article__toggle { grid-column: 3; grid-row: 1 / span 2; }
.article__title { display: block; font-size: clamp(1.25rem, 2vw, 1.6rem); font-weight: 300; letter-spacing: -0.015em; line-height: 1.3; transition: color .3s; }
.article > summary:hover .article__title { color: var(--accent); }
.article__excerpt { display: block; font-size: var(--fs-sm); color: var(--text-2); }
.article__toggle { width: 2.5rem; height: 2.5rem; border-radius: 50%; border: 1px solid var(--line-strong); display: grid; place-items: center; transition: transform .6s var(--ease), background-color .4s; }
.article[open] .article__toggle { transform: rotate(45deg); background: var(--surface-hover); }
.article__body { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr) 2.5rem; gap: clamp(1rem, 3vw, 2.5rem); padding-bottom: 2.5rem; }
.article__body > div { grid-column: 2; }
.article__body p { color: var(--text-2); line-height: 1.8; max-width: 68ch; }
.article__body p + p { margin-top: 1em; }
.article[open] .article__body { animation: fade-down .6s var(--ease); }
@keyframes fade-down { from { opacity: 0; transform: translateY(-6px); } }
@media (max-width: 720px) {
  .article > summary, .article__body { grid-template-columns: minmax(0, 1fr) 2.5rem; }
  .article > summary > .article__date { grid-column: 1 / -1; grid-row: 1; padding: 0; }
  .article > summary > .article__title { grid-row: 2; grid-column: 1; }
  .article > summary > .article__excerpt { grid-row: 3; grid-column: 1; }
  .article > summary > .article__toggle { grid-row: 2 / span 2; grid-column: 2; }
  .article__body > div { grid-column: 1; }
}

/* 12. Team & about -------------------------------------------------------- */
.person { align-items: flex-start; }
.person__head { display: flex; align-items: center; gap: 1.125rem; margin-bottom: 1.25rem; }
.person__avatar {
  position: relative; width: 3.75rem; height: 3.75rem; border-radius: 50%; display: grid; place-items: center; flex-shrink: 0;
  border: 1px solid var(--line-strong);
  font-size: 1rem; font-weight: 400; letter-spacing: 0.06em; color: var(--text);
  background: radial-gradient(circle at 30% 25%, rgba(var(--accent-rgb), .2), rgba(var(--accent-rgb), .04) 55%, transparent 75%);
}
.person__avatar::after { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 1px dashed rgba(255,255,255,.14); }
.person__role { color: var(--accent); margin-bottom: 0.25rem; }
.person__name { font-size: 1.3rem; font-weight: 400; letter-spacing: -0.012em; line-height: 1.25; }
.person__program { font-size: 0.8125rem; color: var(--text-3); margin-top: 0.125rem; }
.person.is-lit { border-color: rgba(var(--accent-rgb), .45); background: rgba(var(--accent-rgb), .04); }
.card.person { transition: border-color .5s var(--ease), background-color .5s var(--ease); }

.people-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem 2rem; }
.people-row .who { display: flex; align-items: center; gap: 1rem; transition: opacity .3s; }
.people-row .person__avatar { width: 3.25rem; height: 3.25rem; font-size: .9rem; margin: 0; }
.people-row .who span { font-size: 1rem; }
.people-row .who small { display: block; color: var(--text-3); font-size: 0.8125rem; }
.people-row .who.is-lit .person__avatar { border-color: var(--accent); box-shadow: 0 0 1.5rem rgba(var(--accent-rgb), .25); }
@media (max-width: 480px) { .people-row { grid-template-columns: minmax(0, 1fr); } }

/* Timeline: vertical on small screens, a horizontal world-line on wide ones */
.timeline { position: relative; border-left: 1px solid var(--line); margin-left: 0.375rem; }
.timeline__item { position: relative; padding: 0 0 2.5rem 2.25rem; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before { content: ""; position: absolute; left: -4px; top: 0.375rem; width: 7px; height: 7px; border-radius: 50%; background: var(--bg); border: 1px solid var(--text-2); }
.timeline__item.is-now::before { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 12px var(--accent); }
.timeline__item.is-now .timeline__year { color: var(--accent); }
.timeline__item h3 { font-size: var(--fs-h4); font-weight: 400; margin: 0.375rem 0; }
.timeline__item p { max-width: 56ch; }
@media (min-width: 1025px) {
  .timeline--h { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.75rem; border-left: 0; border-top: 1px solid var(--line); margin: 0; padding-top: 2.25rem; }
  .timeline--h .timeline__item { padding: 0; }
  .timeline--h .timeline__item::before { left: 0; top: calc(-2.25rem - 4px); }
  .timeline--h .timeline__item.is-now::after { content: ""; position: absolute; left: 0; right: -1.75rem; top: calc(-2.25rem - 1px); height: 1px; background: linear-gradient(90deg, var(--accent), transparent); }
}

.values { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.value { padding: 2rem clamp(1rem, 2vw, 1.75rem) 0.5rem 0; }
.value + .value { border-left: 1px solid var(--line); padding-left: clamp(1rem, 2vw, 1.75rem); }
.value__sym { display: block; font-family: var(--font-math); font-size: clamp(3rem, 5vw, 4.5rem); line-height: 1; color: var(--accent); font-style: italic; margin-bottom: 1.5rem; }
.value h3 { font-size: var(--fs-h4); font-weight: 500; margin-bottom: 0.5rem; }
@media (max-width: 1024px) {
  .values { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .value:nth-child(3) { border-left: 0; padding-left: 0; }
  .value:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 1.5rem; }
}
@media (max-width: 560px) {
  .values { grid-template-columns: minmax(0, 1fr); }
  .value { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: 1rem; padding: 1.5rem 0 !important; border-left: 0 !important; margin-top: 0 !important; }
  .value + .value { border-top: 1px solid var(--line); }
  .value__sym { font-size: 2.25rem; margin: 0; }
}

.offer-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.offer { padding: clamp(1.5rem, 2.6vw, 2.25rem); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background-color .5s var(--ease-soft); }
.offer:hover { background: var(--surface); }
.offer__n { color: var(--accent); }
.offer h3 { margin: 1.75rem 0 0.5rem; font-size: var(--fs-h4); font-weight: 400; letter-spacing: -0.01em; }
@media (max-width: 900px) { .offer-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .offer-list { grid-template-columns: minmax(0, 1fr); } .offer h3 { margin-top: 1rem; } }

/* 13. Resources, FAQ, join ------------------------------------------------ */
.res-group + .res-group { margin-top: clamp(3.5rem, 6vw, 5.5rem); padding-top: clamp(3.5rem, 6vw, 5.5rem); border-top: 1px solid var(--line); }
.res-list { border-top: 1px solid var(--line); }
.res {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr) auto; gap: 1.5rem; align-items: center;
  padding: 1.25rem 0.5rem; border-bottom: 1px solid var(--line);
  transition: background-color .5s var(--ease-soft);
}
.res > span:not(.res__go) { transition: transform .6s var(--ease); }
a.res:hover { background: var(--surface); }
a.res:hover > span:not(.res__go) { transform: translateX(8px); }
.res__name { font-size: 1.0625rem; }
.res__go { color: var(--text-3); transition: color .3s; }
.res__go .i { width: 1rem; height: 1rem; }
a.res:hover .res__go { color: var(--accent); }
a.res:hover .i-out { transform: translate(2px, -2px); }
@media (max-width: 720px) {
  .res { grid-template-columns: minmax(0, 1fr) auto; gap: 0.25rem 1rem; padding-inline: 0; }
  .res__desc { grid-column: 1; grid-row: 2; }
  .res__go { grid-row: 1 / span 2; grid-column: 2; }
}

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1.5rem; align-items: center; padding: 1.375rem 0; font-size: 1.0625rem; transition: color .3s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent); }
.faq .plus { position: relative; width: 0.875rem; height: 0.875rem; flex-shrink: 0; }
.faq .plus::before, .faq .plus::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: currentColor; }
.faq .plus::after { transform: rotate(90deg); transition: transform .6s var(--ease); }
.faq details[open] .plus::after { transform: rotate(0deg); }
.faq details > div { padding: 0 3rem 1.75rem 0; color: var(--text-2); font-size: var(--fs-sm); line-height: 1.75; }
.faq details[open] > div { animation: fade-down .6s var(--ease); }
@media (max-width: 600px) { .faq details > div { padding-right: 0; } }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); }
.step { counter-increment: step; display: flex; flex-direction: column; align-items: flex-start; padding: 1.75rem; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.step::before { content: "0" counter(step); font-family: var(--font-mono); font-size: 2.25rem; line-height: 1; letter-spacing: -0.04em; color: transparent; -webkit-text-stroke: 1px var(--accent); }
.step h3 { font-size: 1.25rem; font-weight: 400; margin: 1.25rem 0 0.5rem; }
.step p { max-width: 34ch; margin-bottom: 1.5rem; }
.step .link { margin-top: auto; }
@media (max-width: 600px) { .steps { grid-template-columns: minmax(0, 1fr); } }
@media (min-width: 601px) and (max-width: 900px) { .step { padding: 1.25rem; } .step h3 { font-size: 1.1rem; } }

.checklist { display: grid; gap: 0.875rem; padding: 0; list-style: none; }
.checklist li { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: 0.875rem; font-size: 1rem; color: var(--text-2); }
.checklist li::before { content: ""; width: 0.875rem; height: 1px; background: var(--accent); margin-top: 0.8rem; }

.conduct { counter-reset: c; display: grid; border-top: 1px solid var(--line); padding: 0; list-style: none; }
.conduct li { counter-increment: c; display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; padding: 1.125rem 0; border-bottom: 1px solid var(--line); font-size: 1rem; color: var(--text-2); }
.conduct li::before { content: counter(c, decimal-leading-zero); font-family: var(--font-mono); font-size: var(--fs-label); color: var(--accent); padding-top: 0.25rem; }
.conduct strong { color: var(--text); font-weight: 500; }

.contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.contact-grid > div { padding: 2rem 1.5rem 0.5rem 0; }
.contact-grid > div + div { border-left: 1px solid var(--line); padding-left: 1.5rem; }
.contact-grid dt { margin-bottom: 0.625rem; }
.contact-grid dd { font-size: 1rem; }
@media (max-width: 760px) {
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .contact-grid > div { padding: 1.5rem 0; }
  .contact-grid > div + div { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
}

/* 14. Footer -------------------------------------------------------------- */
.site-footer { position: relative; isolation: isolate; border-top: 1px solid var(--line); padding: clamp(3.5rem, 7vw, 6rem) 0 2rem; overflow: hidden; background: linear-gradient(180deg, transparent, rgba(7,10,19,.9)); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)); gap: clamp(2rem, 5vw, 4rem); }
.footer-col__title { margin-bottom: 1.25rem; }
.footer-grid ul { list-style: none; padding: 0; display: grid; gap: 0.625rem; }
.footer-grid li { font-size: var(--fs-sm); color: var(--text-2); }
.footer-grid li a { transition: color .3s; }
.footer-grid li a:hover { color: var(--text); }
.footer-brand img { height: 1.375rem; width: auto; margin-bottom: 1.375rem; }
.footer-brand p { font-size: var(--fs-sm); color: var(--text-2); max-width: 38ch; }
.footer-ack { margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1.75rem; border-top: 1px solid var(--line); font-size: 0.8125rem; color: var(--text-3); line-height: 1.7; }
.footer-ack p { max-width: 90ch; }
.footer-bottom { margin-top: 1.75rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .08em; color: var(--text-3); }
.footer-bottom a { transition: color .3s; }
.footer-bottom a:hover { color: var(--text); }
.footer-watermark { position: absolute; left: 50%; bottom: -3.5vw; translate: -50% 0; width: min(90rem, 110vw); height: auto; z-index: -1; opacity: .035; pointer-events: none; }
.lst { display: inline-flex; flex-wrap: wrap; gap: 0.25rem 0.875rem; }
.lst b { color: var(--text-2); font-weight: 400; font-variant-numeric: tabular-nums; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer-bottom { flex-direction: column; gap: 0.625rem; } }

/* 15. Motion -------------------------------------------------------------- */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

/* Scroll reveal (only once JS is healthy — see chrome.js) */
.js .reveal { opacity: 0; transform: translateY(1.5rem); transition: opacity 1.1s var(--ease), transform 1.2s var(--ease); transition-delay: var(--d, 0ms); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* Above-the-fold intro — pure CSS, no JS dependency */
.intro { opacity: 0; transform: translateY(1rem); animation: intro 1.4s var(--ease) forwards; animation-delay: var(--d, 0ms); }
.hero__logo.intro { transform: translateY(10px) scale(.985); filter: blur(10px); animation-name: intro-logo; }
@keyframes intro { to { opacity: 1; transform: none; } }
@keyframes intro-logo { to { opacity: 1; transform: none; filter: blur(0) drop-shadow(0 0 40px rgba(var(--accent-rgb), .12)); } }

/* Page enter / exit */
.page { animation: page-in .5s var(--ease-soft) backwards; }
@keyframes page-in { from { opacity: 0; } }
body.is-leaving :is(.page, .hero-backdrop) { animation: page-out .24s var(--ease-soft) forwards; }
@keyframes page-out { to { opacity: 0; } }

/* Language switch: a brief dip while text is swapped */
main, site-footer { display: block; transition: opacity .17s var(--ease-soft); }
.lang-swap main, .lang-swap site-footer { opacity: 0; }

/* Native cross-document page transitions (Chrome/Edge 126+, Safari 18.2+) */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: page-out .22s var(--ease-soft) both; }
::view-transition-new(root) { animation: page-in .45s var(--ease-soft) both; }
::view-transition-group(site-header) { animation-duration: 0s; }
.vt .page { animation: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0ms !important; }
  html { scroll-behavior: auto; }
  .js .reveal, .intro { opacity: 1; transform: none; filter: none; }
  .hero__bg { transform: scale(1.06); }
  .hero__logo-wrap::after, .ticker__track { animation: none; }
  @view-transition { navigation: none; }
}

/* 16. Utilities ----------------------------------------------------------- */
.mt-s { margin-top: 1rem; } .mt-m { margin-top: 2rem; } .mt-l { margin-top: 3rem; }
.nowrap { white-space: nowrap; }
.placeholder-note { display: block; margin-top: 1.25rem; font-size: var(--fs-micro); letter-spacing: .12em; }
.lost { min-height: 100svh; display: grid; place-items: center; }

/* Landing choreography — plays on load, or the moment the intro ends */
@keyframes rise { from { opacity: 0; transform: translateY(0.9rem); } }
html:not(.is-intro) :is(.hero__title, .hero__subtitle, .hero__foot > *) { animation: rise 1.3s var(--ease) both; }
html:not(.is-intro) .hero__title { animation-delay: .1s; }
html:not(.is-intro) .hero__subtitle { animation-delay: .3s; }
html:not(.is-intro) .hero__foot > :nth-child(1) { animation-delay: .5s; }
html:not(.is-intro) .hero__foot > :nth-child(2) { animation-delay: .6s; }
html:not(.is-intro) .hero__foot > :nth-child(3) { animation-delay: .7s; }
html:not(.is-intro) .hero__foot > :nth-child(4) { animation-delay: .8s; }

/* Constellation: lines draw in, stars breathe */
.constellation line { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.6s var(--ease) forwards; }
.constellation .star circle:not(.halo) { animation: twinkle 3.2s ease-in-out infinite; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes twinkle { 50% { opacity: .5; } }
.person__name-sm { display: block; }

/* Phones: lighter heroes, compact news rows */
@media (max-width: 600px) {
  .page-hero { padding-top: calc(var(--header-h) + 2.5rem); }
  .orrery, .insertion { width: min(100%, 15rem); }
  .constellation { width: 100%; }
  .grid--3[data-news-latest] { gap: 0; }
  .grid--3[data-news-latest] .post { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: 0.25rem 1rem; padding: 1.125rem 0; border-top: 1px solid var(--line); }
  .grid--3[data-news-latest] .post__media { grid-row: 1 / span 3; aspect-ratio: 1; margin: 0; align-self: start; }
  .grid--3[data-news-latest] .post__meta { margin-bottom: 0.25rem; font-size: var(--fs-micro); }
  .grid--3[data-news-latest] .post h3 { font-size: 1.05rem; }
  .grid--3[data-news-latest] .post p { display: none; }
}

/* ==========================================================================
   Page themes — each page has its own accent, sky effect and photograph.
   The sky effect is picked in main.js from body[data-theme].
   ========================================================================== */
[data-theme="about"]     { --accent: #ffab7a; --accent-rgb: 255, 171, 122; }  /* Carina — coral */
[data-theme="events"]    { --accent: #aac3ff; --accent-rgb: 170, 195, 255; }  /* Pillars — periwinkle */
[data-theme="team"]      { --accent: #d9b3ff; --accent-rgb: 217, 179, 255; }  /* Stephan's Quintet — lilac */
[data-theme="resources"] { --accent: #ffd88a; --accent-rgb: 255, 216, 138; }  /* Deep Field — gold */
[data-theme="news"]      { --accent: #7ff0d6; --accent-rgb: 127, 240, 214; }  /* Crab — aqua */
[data-theme="join"]      { --accent: #ff9ab0; --accent-rgb: 255, 154, 176; }  /* Pleiades — rose */

/* Photograph behind each page hero */
.page-hero__bg {
  position: absolute; inset: 0; z-index: -3; pointer-events: none;
  background: var(--bg) center / cover no-repeat;
  opacity: .78;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 100%);
  animation: hero-drift 40s ease-in-out infinite alternate;
}
/* Keep the text column readable over bright nebulae */
.page-hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(4,6,12,.92) 0%, rgba(4,6,12,.7) 38%, rgba(4,6,12,.25) 70%, rgba(4,6,12,.35) 100%),
    linear-gradient(180deg, rgba(4,6,12,.5) 0%, transparent 30%);
}
@keyframes hero-drift { from { transform: scale(1.04) translate3d(-0.6%, 0, 0); } to { transform: scale(1.1) translate3d(0.6%, -1%, 0); } }
.page-hero:has(.page-hero__bg)::after { opacity: .5; }
.page-hero__credit {
  position: absolute; right: var(--gutter); bottom: 1rem; z-index: 1;
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .08em; color: var(--text-3);
  text-align: right; max-width: 60%;
}
.page-hero__credit b { color: var(--text-2); font-weight: 400; }
@media (max-width: 900px) {
  .page-hero__bg::after { background: linear-gradient(180deg, rgba(4,6,12,.55) 0%, rgba(4,6,12,.75) 50%, rgba(4,6,12,.9) 100%); }
  .page-hero__credit { position: static; margin: 2rem var(--gutter) 0; max-width: none; text-align: left; }
}
@media (prefers-reduced-motion: reduce) { .page-hero__bg { animation: none; } }

/* Menu: a proper panel so it never collides with page text */
.menu__panel {
  top: calc(100% + 0.5rem); right: -1rem;
  padding: 1rem 1.25rem 1.25rem 2.5rem; min-width: 15rem;
  border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
  background: rgba(7, 10, 19, 0.97);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, .6), 0 0 0 1px rgba(var(--accent-rgb), .06) inset;
  transform: translateY(-6px);
  transition: opacity .35s var(--ease-soft), transform .5s var(--ease), visibility 0s linear .45s;
}
.menu.is-open .menu__panel { transform: none; transition: opacity .35s var(--ease-soft), transform .5s var(--ease), visibility 0s; }
.menu__panel::before { /* hover bridge between the toggle and the panel */
  content: ""; position: absolute; left: 0; right: 0; bottom: 100%; height: 0.75rem;
}
@media (max-width: 720px) {
  .menu__panel { right: -0.5rem; min-width: min(17rem, calc(100vw - 2rem)); padding-left: 2rem; }
}
.footer-credit { margin-top: 0.5rem; font-size: var(--fs-micro); font-family: var(--font-mono); letter-spacing: .06em; }