/* =================================================================
   NAYGN @ UF — "Field Notes" design system
   A technical-journal aesthetic over a blueprint/schematic grid, with
   UF blue/orange + NAYGN navy/green used as precise instrument-panel
   accents on warm paper. Typeface: Inter, per NAYGN brand guidelines.
   ================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300..800;1,300..800&display=swap');

:root {
  /* --- palette: UF x NAYGN --- */
  --uf-blue:     #0021A5;
  --uf-orange:   #FA4616;
  --naygn-navy:  #0E1F3C;
  --naygn-green: #4F9D6E;

  --paper:       #FAF8F2;
  --paper-dim:   #F0ECE2;
  --ink:         #16181D;
  --ink-soft:    #545B66;
  --line:        rgba(14, 31, 60, 0.16);
  --line-strong: rgba(14, 31, 60, 0.32);

  /* --- type: Inter, per NAYGN brand guidelines --- */
  --font-display: 'Inter', 'Segoe UI', sans-serif;
  --font-body:    'Inter', 'Segoe UI', sans-serif;
  --font-mono:    'Inter', 'Segoe UI', sans-serif;

  /* --- rhythm --- */
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --max-w: 78rem;
  --radius: 2px;

  --ease: cubic-bezier(.16,1,.3,1);
}

/* ------------------------------------------------------------- */
/* Reset                                                          */
/* ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 159px,
      var(--line) 159px,
      var(--line) 160px
    ),
    var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--naygn-navy);
}

h1 { font-weight: 500; font-style: italic; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: clamp(3.5rem, 9vw, 7rem); }

/* ------------------------------------------------------------- */
/* Schematic decoration helpers                                   */
/* ------------------------------------------------------------- */
.kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--uf-orange);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 1rem;
}
.kicker::before {
  content: "";
  width: 1.6em;
  height: 1px;
  background: currentColor;
}

.corner-frame {
  position: relative;
  padding: var(--gutter);
}
.corner-frame::before,
.corner-frame::after,
.corner-frame > .cf-tr,
.corner-frame > .cf-bl {
  display: none;
}
.corner-frame {
  border: 1px solid var(--line);
}
.corner-frame::before,
.corner-frame::after {
  display: block;
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--uf-orange);
}
.corner-frame::before { top: -2px; left: -2px; border-width: 2px 0 0 2px; }
.corner-frame::after  { bottom: -2px; right: -2px; border-width: 0 2px 2px 0; }

.fig-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

hr.divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}
hr.accent {
  border: 0;
  height: 2px;
  width: 64px;
  background: var(--uf-orange);
  margin: 1.25rem 0;
}

/* ------------------------------------------------------------- */
/* Top navigation                                                  */
/* ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 242, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--naygn-navy);
  white-space: nowrap;
}
.brand .brand-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 8px;
  object-fit: cover;
}
.brand .brand-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  font-weight: 500;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2vw, 2.5rem);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-links a {
  position: relative;
  padding: 0.4rem 0.1rem;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--uf-orange);
  transition: right 0.25s var(--ease);
}
.nav-links a:hover { color: var(--uf-blue); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { right: 0; }
.nav-links a[aria-current="page"] { color: var(--uf-blue); }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--naygn-navy);
  border-radius: var(--radius);
  background: var(--naygn-navy);
  color: var(--paper) !important;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.nav-cta:hover {
  background: var(--uf-orange);
  border-color: var(--uf-orange);
  color: #fff !important;
  transform: translateY(-1px);
}
.nav-cta::after { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--naygn-navy);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem var(--gutter) 1.25rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
  }
  .nav-links.is-open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }
  .nav-links a::after { display: none; }
  .nav-cta { display: inline-block; margin-top: 0.85rem; text-align: center; }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ------------------------------------------------------------- */
/* Hero                                                            */
/* ------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--naygn-navy);
  color: var(--paper);
  padding-block: clamp(4rem, 12vw, 8rem);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 82% 18%, rgba(250,70,22,0.18), transparent 45%),
    radial-gradient(circle at 12% 92%, rgba(79,157,110,0.18), transparent 50%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.025) 0 2px, transparent 2px 38px);
  pointer-events: none;
}
.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero h1 {
  color: var(--paper);
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  margin-bottom: 1rem;
}
.hero h1 em {
  font-style: italic;
  color: var(--uf-orange);
}
.hero .lede {
  font-size: 1.05rem;
  color: rgba(250,248,242,0.78);
  max-width: 32rem;
}
.hero .kicker { color: var(--naygn-green); }
.hero .kicker::before { background: var(--naygn-green); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

/* Buttons */
.btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid currentColor;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--uf-orange);
  border-color: var(--uf-orange);
  color: #fff;
}
.btn-primary:hover { box-shadow: 0 10px 24px -10px rgba(250,70,22,0.6); }
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(250,248,242,0.4);
}
.btn-ghost:hover { border-color: var(--paper); background: rgba(250,248,242,0.06); }
.btn-outline {
  background: transparent;
  color: var(--naygn-navy);
  border-color: var(--line-strong);
}
.btn-outline:hover { border-color: var(--naygn-navy); background: rgba(14,31,60,0.04); }
.btn-green {
  background: var(--naygn-green);
  border-color: var(--naygn-green);
  color: #fff;
}
.btn-green:hover { box-shadow: 0 10px 24px -10px rgba(79,157,110,0.6); }

/* ------------------------------------------------------------- */
/* Atom motif (hero visual)                                        */
/* ------------------------------------------------------------- */
.atom {
  width: 100%;
  max-width: 360px;
  margin-inline: auto;
  aspect-ratio: 1;
}
.atom svg { width: 100%; height: 100%; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

/* ------------------------------------------------------------- */
/* Section heads                                                  */
/* ------------------------------------------------------------- */
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
.section-head .lede { color: var(--ink-soft); max-width: 32rem; }

/* ------------------------------------------------------------- */
/* Cards: announcements                                            */
/* ------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.note-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}
.note-card:hover {
  transform: translateY(-4px);
  border-color: var(--uf-orange);
  box-shadow: 0 18px 40px -24px rgba(14,31,60,0.35);
}
.note-card .date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--uf-blue);
}
.note-card h3 { font-size: 1.2rem; font-weight: 600; font-style: normal; color: var(--ink); }
.note-card p { color: var(--ink-soft); font-size: 0.94rem; }

/* ------------------------------------------------------------- */
/* Next meeting / countdown                                        */
/* ------------------------------------------------------------- */
.countdown-block {
  background: var(--naygn-navy);
  color: var(--paper);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.countdown-block::before {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border: 1px dashed rgba(250,248,242,0.18);
  border-radius: 50%;
}
.countdown-meta .kicker { color: var(--naygn-green); }
.countdown-meta .kicker::before { background: var(--naygn-green); }
.countdown-meta h3 { color: var(--paper); font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 0.5rem; }
.countdown-meta p { color: rgba(250,248,242,0.7); margin: 0; }
.countdown-meta .meta-row {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: rgba(250,248,242,0.85);
}

.countdown-timer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  text-align: center;
}
.countdown-timer .unit {
  background: rgba(250,248,242,0.06);
  border: 1px solid rgba(250,248,242,0.14);
  border-radius: var(--radius);
  padding: 1rem 0.5rem;
}
.countdown-timer .unit .num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 600;
  color: var(--uf-orange);
  display: block;
  font-variant-numeric: tabular-nums;
}
.countdown-timer .unit .lbl {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(250,248,242,0.55);
}

@media (max-width: 760px) {
  .countdown-block { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------- */
/* Stats                                                           */
/* ------------------------------------------------------------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.stat {
  background: var(--paper);
  padding: 2rem 1.5rem;
  text-align: left;
}
.stat .num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  color: var(--uf-blue);
  font-variant-numeric: tabular-nums;
}
.stat .num .unit { font-size: 0.5em; color: var(--uf-orange); margin-left: 0.15em; }
.stat .lbl {
  margin-top: 0.4rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ------------------------------------------------------------- */
/* Get involved cards                                              */
/* ------------------------------------------------------------- */
.involve-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.involve-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow .25s var(--ease);
}
.involve-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px -26px rgba(14,31,60,0.4);
}
.involve-card .icon {
  width: 40px; height: 40px;
  color: var(--naygn-green);
}
.involve-card.is-orange:hover { border-color: var(--uf-orange); }
.involve-card.is-blue:hover { border-color: var(--uf-blue); }
.involve-card.is-green:hover { border-color: var(--naygn-green); }
.involve-card h3 { font-size: 1.15rem; font-weight: 600; font-style: normal; color: var(--ink); }
.involve-card p { color: var(--ink-soft); font-size: 0.92rem; flex-grow: 1; }
.involve-card .link-arrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--uf-blue);
  display: inline-flex; align-items: center; gap: 0.4em;
  transition: gap 0.2s var(--ease);
}
.involve-card:hover .link-arrow { gap: 0.7em; }

/* ------------------------------------------------------------- */
/* Footer                                                          */
/* ------------------------------------------------------------- */
.site-footer {
  background: var(--naygn-navy);
  color: rgba(250,248,242,0.78);
  padding-block: 3.5rem 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
}
.footer-grid h4 {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 1rem;
}
.footer-grid .brand { color: var(--paper); margin-bottom: 0.75rem; }
.footer-grid p { font-size: 0.9rem; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.6rem; font-size: 0.9rem; }
.footer-links a:hover { color: var(--uf-orange); }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(250,248,242,0.12);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(250,248,242,0.4);
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ------------------------------------------------------------- */
/* Scroll reveal                                                   */
/* ------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------------------------------------------------- */
/* Page header (non-home pages)                                    */
/* ------------------------------------------------------------- */
.page-header {
  background: var(--naygn-navy);
  color: var(--paper);
  padding-block: clamp(3rem, 8vw, 5.5rem);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 88% 30%, rgba(250,70,22,0.16), transparent 45%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.025) 0 2px, transparent 2px 38px);
}
.page-header .container { position: relative; }
.page-header h1 { color: var(--paper); font-size: clamp(2.2rem, 5vw, 3.6rem); }
.page-header .lede { color: rgba(250,248,242,0.75); max-width: 38rem; margin-top: 0.75rem; }
.page-header .kicker { color: var(--naygn-green); }
.page-header .kicker::before { background: var(--naygn-green); }

/* ================================================================
   ABOUT PAGE
   ================================================================ */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pillar {
  background: var(--paper);
  padding: 2rem;
  cursor: default;
  transition: background 0.25s var(--ease);
}
.pillar:hover { background: #fff; }
.pillar .fig-label { color: var(--uf-orange); }
.pillar h3 { font-size: 1.15rem; font-weight: 600; font-style: normal; margin: 0.6rem 0 0.6rem; color: var(--ink); }
.pillar p { color: var(--ink-soft); font-size: 0.92rem; }

#case-for-nuclear {
  position: relative;
  background:
    linear-gradient(160deg, rgba(14,31,60,0.92), rgba(0,33,165,0.82)),
    url('../assets/img/cooling-towers.webp') center/cover no-repeat;
  padding-block: clamp(3rem, 6vw, 5rem);
}
#case-for-nuclear .kicker { color: var(--naygn-green); }
#case-for-nuclear .kicker::before { background: var(--naygn-green); }
#case-for-nuclear h2 { color: var(--paper); }
#case-for-nuclear .lede { color: rgba(250,248,242,0.78); }

/* Timeline */
.timeline {
  position: relative;
  margin-top: 1rem;
  padding-left: 2rem;
  border-left: 1px dashed var(--line-strong);
}
.timeline-item { position: relative; padding-bottom: 2.25rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.4rem;
  top: 0.25rem;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--uf-orange);
  box-shadow: 0 0 0 4px var(--paper), 0 0 0 5px var(--line);
}
.timeline-item .yr {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--uf-blue);
}
.timeline-item h3 { font-size: 1.1rem; font-weight: 600; font-style: normal; margin: 0.25rem 0 0.4rem; color: var(--ink); }
.timeline-item p { color: var(--ink-soft); font-size: 0.92rem; }

/* Reactor diagram */
.reactor-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 860px) {
  .reactor-wrap { grid-template-columns: 1fr; }
}
.reactor-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.reactor-tab {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.reactor-tab:hover { border-color: var(--uf-blue); color: var(--naygn-navy); }
.reactor-tab.is-active {
  background: var(--naygn-navy);
  color: #fff;
  border-color: var(--naygn-navy);
}
.reactor-diagram {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.reactor-diagram svg { width: 100%; height: auto; display: block; }
.reactor-svg.is-hidden,
.reactor-key.is-hidden { display: none; }
.reactor-diagram .part {
  cursor: pointer;
  transition: fill 0.2s var(--ease), fill-opacity 0.2s var(--ease);
}
.reactor-diagram .part:hover,
.reactor-diagram .part.is-active {
  fill-opacity: 0.35;
}
.reactor-tooltip {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--uf-orange);
  background: var(--paper-dim);
  font-size: 0.9rem;
  border-radius: var(--radius);
  min-height: 4.5rem;
}
.reactor-tooltip .fig-label { color: var(--uf-orange); display: block; margin-bottom: 0.35rem; }
.reactor-tooltip strong { color: var(--naygn-navy); }
.reactor-key {
  list-style: none;
  padding: 0; margin: 1.25rem 0 0;
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.reactor-key li { display: flex; align-items: center; gap: 0.5em; cursor: pointer; }
.reactor-key li.is-active { color: var(--naygn-navy); }
.reactor-key .swatch { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* ================================================================
   OFFICERS PAGE
   ================================================================ */
.officer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}
.officer-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  aspect-ratio: 3/4;
  perspective: 1200px;
}
.officer-card .card-inner {
  position: relative;
  width: 100%; height: 100%;
  transition: transform 0.6s var(--ease);
  transform-style: preserve-3d;
}
.officer-card:hover .card-inner,
.officer-card.is-flipped .card-inner { transform: rotateY(180deg); }
.officer-face {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
}
.officer-face.front {
  justify-content: flex-end;
}
.officer-photo {
  flex-grow: 1;
  background:
    linear-gradient(160deg, rgba(14,31,60,0.85), rgba(0,33,165,0.55)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 14px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(250,248,242,0.85);
}
.officer-photo svg { width: 38%; opacity: 0.85; }
.officer-photo img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.officer-face.front .info {
  padding: 1rem 1.1rem 1.2rem;
  border-top: 1px solid var(--line);
  background: #fff;
}
.officer-face.front h3 { font-size: 1.05rem; font-weight: 600; font-style: normal; color: var(--ink); }
.officer-face.front .role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--uf-orange);
  margin-top: 0.25rem;
  display: block;
}
.officer-face.back {
  transform: rotateY(180deg);
  background: var(--naygn-navy);
  color: var(--paper);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.6rem;
}
.officer-face.back h3 { color: var(--paper); font-size: 1.05rem; font-weight: 600; font-style: normal; }
.officer-face.back .role { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--naygn-green); }
.officer-face.back p { font-size: 0.85rem; color: rgba(250,248,242,0.78); }
.officer-face.back a { font-family: var(--font-mono); font-size: 0.75rem; color: var(--uf-orange); text-decoration: underline; }

.officer-tap-hint {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 0.5rem;
  display: none;
}
@media (hover: none) {
  .officer-tap-hint { display: block; }
}

.advisor-banner {
  margin-top: 2.5rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--naygn-green);
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}
.advisor-banner .fig-label { color: var(--naygn-green); }

.join-banner {
  margin-top: 2.5rem;
  background: var(--naygn-navy);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}
.join-banner h3 { color: var(--paper); font-size: 1.3rem; }
.join-banner p { color: rgba(250,248,242,0.7); margin-top: 0.4rem; }

/* ================================================================
   AGENDA PAGE
   ================================================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.25rem;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.55rem 1.05rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.filter-btn:hover { border-color: var(--naygn-navy); color: var(--naygn-navy); }
.filter-btn.is-active {
  background: var(--naygn-navy);
  border-color: var(--naygn-navy);
  color: var(--paper);
}

.event-list { display: flex; flex-direction: column; gap: 1rem; }
.event-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 1.5rem;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.event-row.is-expandable { cursor: pointer; }
.event-row:hover { border-color: var(--uf-blue); transform: translateX(4px); }
.event-row.is-open { border-color: var(--uf-blue); transform: translateX(4px); }

.event-date {
  font-family: var(--font-mono);
  text-align: center;
  border-right: 1px dashed var(--line-strong);
  padding-right: 1rem;
  padding-top: 0.2rem;
}
.event-date .day { font-size: 1.8rem; font-weight: 600; color: var(--uf-blue); display: block; line-height: 1; }
.event-date .mon { font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); }
.event-body h3 { font-size: 1.08rem; font-weight: 600; font-style: normal; color: var(--ink); }
.event-body .meta { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-soft); letter-spacing: 0.04em; margin-top: 0.3rem; }
.event-body > p { color: var(--ink-soft); font-size: 0.9rem; margin-top: 0.5rem; }

/* Expandable details panel (inside event-body) */
.event-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease);
}
.event-panel-inner {
  padding-top: 0.85rem;
  margin-top: 0.75rem;
  border-top: 1px dashed var(--line);
}
.event-section { margin-bottom: 0.85rem; }
.event-section:last-child { margin-bottom: 0; }
.event-section-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--uf-blue);
  margin: 0 0 0.35rem 0;
}
.event-details-list {
  margin: 0 0 0 1.1rem;
  padding: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.7;
}
.event-details-list li { margin-bottom: 0.2rem; }

.event-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 0.35rem;
}
.event-tag.tag-general { background: rgba(0,33,165,0.1); color: var(--uf-blue); }
.event-tag.tag-social { background: rgba(250,70,22,0.1); color: var(--uf-orange); }
.event-tag.tag-industry { background: rgba(14,31,60,0.1); color: var(--naygn-navy); }
.event-tag.tag-outreach { background: rgba(79,157,110,0.12); color: var(--naygn-green); }

.event-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-end;
  padding-top: 0.2rem;
}
.cal-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--uf-blue);
  white-space: nowrap;
}
.cal-link:hover { color: var(--uf-orange); }
.rsvp-link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  white-space: nowrap;
  color: #fff;
  background: var(--naygn-green);
  border: 1px solid var(--naygn-green);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  display: inline-block;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.rsvp-link:hover {
  background: var(--uf-orange);
  border-color: var(--uf-orange);
  color: #fff;
  transform: translateY(-1px);
}

/* Chevron in actions column */
.event-chevron {
  width: 20px;
  height: 20px;
  position: relative;
}
.event-chevron::before,
.event-chevron::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 7px;
  height: 2px;
  background: var(--ink-soft);
  border-radius: 2px;
  transition: transform 0.25s var(--ease);
}
.event-chevron::before { right: 50%; transform: translateY(-50%) rotate(45deg); transform-origin: right center; }
.event-chevron::after  { left: 50%;  transform: translateY(-50%) rotate(-45deg); transform-origin: left center; }
.event-row.is-open .event-chevron::before { transform: translateY(-50%) rotate(-45deg); }
.event-row.is-open .event-chevron::after  { transform: translateY(-50%) rotate(45deg); }

@media (max-width: 700px) {
  .event-row { grid-template-columns: 70px 1fr auto; }
  .event-date { padding-right: 0.75rem; }
}

.semester-cal {
  max-width: 780px;
  margin: 0 auto;
}
.cal-month {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0E1F3C;
  padding: 0.9rem 1.25rem;
}
.cal-month-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  text-align: center;
  letter-spacing: 0.04em;
  margin: 0;
}
.cal-nav-btn {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  padding: 0.35rem 0.9rem;
  font-size: 1.1rem;
  cursor: pointer;
  color: #fff;
  transition: background 0.15s, border-color 0.15s;
}
.cal-nav-btn:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.6);
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
  background: #fff;
}
.cal-hdr {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  background: #0021A5;
  padding: 0.45rem 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-right: 1px solid rgba(255,255,255,0.15);
  border-bottom: 1px solid var(--line);
}
.cal-day {
  min-height: 72px;
  padding: 0.4rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 3px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.cal-num {
  font-size: 0.8rem;
  color: var(--ink-soft);
  font-weight: 500;
  line-height: 1;
}
.cal-day.has-event {
  background: #eef1fa;
}
.cal-day.has-event .cal-num {
  color: var(--uf-blue);
  font-weight: 700;
}
.cal-ev-title {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--uf-blue);
  line-height: 1.3;
}
.cal-ev-time {
  font-size: 0.6rem;
  color: var(--ink-soft);
  line-height: 1.2;
}

.president-quote {
  margin: 2rem 0 0;
  padding: 1.4rem 1.6rem;
  background: #fff;
  border-left: 4px solid var(--uf-orange);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  border-left: 4px solid var(--uf-orange);
}
.president-quote p {
  font-size: 0.97rem;
  font-style: italic;
  color: var(--ink);
  line-height: 1.75;
  margin: 0 0 0.9rem;
}
.president-quote footer {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--uf-orange);
  text-transform: uppercase;
}

.map-embed {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  position: relative;
}
.map-embed::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  pointer-events: none;
}
.map-embed::after,
.map-embed::before {
  display: block;
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--uf-orange);
  z-index: 2;
}
.map-embed::before { top: -2px; left: -2px; border-width: 2px 0 0 2px; }
.map-embed::after  { bottom: -2px; right: -2px; border-width: 0 2px 2px 0; }
.map-embed iframe { width: 100%; height: 480px; border: 0; display: block; }

.map-embed-wide {
  width: min(96vw, 1600px);
  margin-inline: auto;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}
.map-embed-wide iframe { height: clamp(420px, 75vh, 760px); }

/* Accordion */
.accordion-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 0.75rem;
  overflow: hidden;
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
}
.accordion-trigger .t-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--uf-blue);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.2rem;
}
.accordion-trigger h3 { font-size: 1.02rem; font-weight: 600; font-style: normal; color: var(--ink); }
.accordion-icon {
  width: 22px; height: 22px;
  flex-shrink: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  position: relative;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.accordion-icon::before, .accordion-icon::after {
  content: "";
  position: absolute;
  background: var(--naygn-navy);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
}
.accordion-icon::before { width: 10px; height: 1px; }
.accordion-icon::after { width: 1px; height: 10px; transition: opacity 0.2s var(--ease); }
.accordion-item.is-open .accordion-icon { transform: rotate(180deg); border-color: var(--uf-orange); }
.accordion-item.is-open .accordion-icon::after { opacity: 0; }

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.accordion-panel-inner {
  padding: 0 1.4rem 1.4rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  border-top: 1px dashed var(--line);
  padding-top: 1rem;
}
.accordion-panel-inner ul { margin: 0.5rem 0 0; padding-left: 1.2rem; }
.accordion-panel-inner li { margin-bottom: 0.35rem; }

/* ------------------------------------------------------------- */
/* Generic helpers                                                 */
/* ------------------------------------------------------------- */
.cols-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 860px) {
  .cols-2 { grid-template-columns: 1fr; }
}

.empty-msg {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding: 2rem 0;
  text-align: center;
  letter-spacing: 0.06em;
}