/* ==========================================================
   DESIGN TOKENS
   ========================================================== */
:root {
  --deep: #006e51;
  --mint: #57af80;
  --white: #ffffff;
  --ink: #16241d;
  --paper: #ffffff;
  --mist: #eef6f1;
  --line: rgba(0, 110, 81, 0.18);

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1140px;
  --radius: 3px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--deep); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--deep); outline-offset: 2px; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.18;
  margin: 0 0 0.5em;
  color: var(--deep);
}
h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.28rem; }

p { margin: 0 0 1em; max-width: 64ch; }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 28px; }

/* ==========================================================
   UTILITY BAR
   ========================================================== */
.utility-bar {
  background: var(--deep);
  color: rgba(255,255,255,0.85);
  font-size: 0.8rem;
}
.utility-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 16px;
  flex-wrap: wrap;
}
.utility-row a { color: rgba(255,255,255,0.85); margin-right: 18px; }
.utility-row a:last-child { margin-right: 0; }
.utility-row a:hover { color: var(--white); text-decoration: none; }
.utility-social { display: flex; gap: 14px; }

/* ==========================================================
   HEADER / NAV
   ========================================================== */
header.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 20px;
}
.brand {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--deep);
  font-weight: 600;
  text-decoration: none;
  line-height: 1.2;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand .small { display: block; font-size: 0.65rem; font-family: var(--sans); font-weight: 600; letter-spacing: 0.04em; color: var(--mint); }

nav.main-nav { display: flex; gap: 1.7rem; align-items: center; }
nav.main-nav a {
  color: var(--ink);
  font-size: 0.93rem;
  font-weight: 500;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
nav.main-nav a:hover { text-decoration: none; border-bottom-color: var(--mint); }
nav.main-nav a.active { border-bottom-color: var(--deep); color: var(--deep); }

.nav-cta {
  background: var(--deep);
  color: var(--white) !important;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.88rem;
}
.nav-cta:hover { background: #00543d; text-decoration: none; }
.nav-toggle { display: none; }

/* ==========================================================
   HERO
   ========================================================== */
.hero { padding: 64px 0 52px; border-bottom: 1px solid var(--line); }
.hero-eyebrow { color: var(--mint); font-family: var(--serif); font-style: italic; font-size: 1.05rem; margin-bottom: 0.5em; }
.hero .lede { font-size: 1.13rem; max-width: 52ch; color: #3a453d; }
.hero-actions { display: flex; gap: 14px; margin-top: 1.8rem; flex-wrap: wrap; }

.btn { display: inline-block; padding: 12px 22px; border-radius: var(--radius); font-weight: 600; font-size: 0.94rem; border: 1px solid transparent; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--deep); color: var(--white); }
.btn-primary:hover { background: #00543d; }
.btn-outline { border-color: var(--deep); color: var(--deep); }
.btn-outline:hover { background: var(--deep); color: var(--white); }

/* ==========================================================
   STATS STRIP
   ========================================================== */
.stats { border-bottom: 1px solid var(--line); background: var(--mist); }
.stats-row { display: flex; padding: 30px 0; flex-wrap: wrap; }
.stat { flex: 1; min-width: 150px; padding: 0 28px; border-left: 1px solid var(--line); margin-bottom: 12px; }
.stat:first-child { border-left: none; padding-left: 0; }
.stat .num { font-family: var(--serif); font-size: 2rem; color: var(--deep); display: block; margin-bottom: 2px; }
.stat .label { font-size: 0.86rem; color: #4c574f; }

/* ==========================================================
   SECTIONS
   ========================================================== */
section.block { padding: 60px 0; }
.block-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 2rem; border-bottom: 1px solid var(--line); padding-bottom: 1rem; }
.block-head h2 { margin: 0; }
.block-head .see-all { font-weight: 600; font-size: 0.9rem; white-space: nowrap; }

/* ==========================================================
   EVENT CARDS
   ========================================================== */
.event-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.event-card { background: var(--white); display: grid; grid-template-columns: 130px 1fr auto; gap: 24px; align-items: center; padding: 22px 24px; }
.event-date { font-family: var(--serif); color: var(--deep); }
.event-date .day { font-size: 1.85rem; display: block; line-height: 1; }
.event-date .month { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--mint); }
.event-date .year { font-size: 0.78rem; color: #6b756e; }
.event-body h3 { margin-bottom: 0.25em; }
.event-meta { font-size: 0.86rem; color: #55604f; margin-bottom: 0.5em; }
.event-desc { font-size: 0.93rem; color: #3a453d; margin-bottom: 0; }
.event-action { white-space: nowrap; }
@media (max-width: 720px) { .event-card { grid-template-columns: 1fr; } }

/* ==========================================================
   CLUB CARDS
   ========================================================== */
.club-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.club-card { background: var(--white); padding: 28px 26px; display: flex; flex-direction: column; }
.club-card h3 { margin-bottom: 0.5em; }
.club-card p { font-size: 0.96rem; margin-bottom: 1em; }
.club-card .contact { margin-top: auto; font-size: 0.87rem; font-weight: 600; color: #4c574f; }
.club-card .contact strong { color: var(--deep); }
@media (max-width: 720px) { .club-grid { grid-template-columns: 1fr; } }

/* ==========================================================
   COMMITTEE GRID
   ========================================================== */
.committee-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 28px 20px; margin-top: 1.5rem; }
.committee-card { text-align: left; }
.committee-photo { width: 100%; aspect-ratio: 1/1; border-radius: 50%; overflow: hidden; background: var(--mist); margin-bottom: 12px; border: 1px solid var(--line); }
.committee-photo img { width: 100%; height: 100%; object-fit: cover; }
.committee-card h3 { font-size: 1.02rem; margin-bottom: 0.15em; }
.committee-class { font-size: 0.8rem; color: var(--mint); font-weight: 600; margin-bottom: 0.2em; }
.committee-role { font-size: 0.85rem; color: #55604f; }

/* ==========================================================
   IN-BOARD LABS
   ========================================================== */
.lab-list { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 1.5rem 0; }
.lab-item { background: var(--white); padding: 24px 26px; }
.lab-item .lab-num { font-family: var(--serif); font-style: italic; color: var(--mint); font-size: 0.95rem; margin-bottom: 0.2em; }
.lab-item h3 { margin-bottom: 0.3em; }
.lab-item .lab-partner { font-size: 0.85rem; color: #55604f; margin-bottom: 0.7em; }
.lab-item .lab-faculty { font-size: 0.86rem; color: #3a453d; }
.lab-item .lab-faculty strong { color: var(--deep); }

.benefit-list { list-style: none; padding: 0; margin: 1.5rem 0; display: grid; gap: 14px; }
.benefit-list li { padding-left: 28px; position: relative; font-size: 0.98rem; }
.benefit-list li::before { content: "—"; position: absolute; left: 0; color: var(--mint); font-weight: 600; }

.whitepaper-list { margin: 1rem 0; padding-left: 0; list-style: none; }
.whitepaper-list li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 0.95rem; }
.whitepaper-list li:last-child { border-bottom: none; }
.whitepaper-list .wave { color: var(--mint); font-weight: 600; font-size: 0.85rem; }

/* ==========================================================
   PAGE HEADER
   ========================================================== */
.page-header { padding: 48px 0 36px; border-bottom: 1px solid var(--line); }
.page-header p { font-size: 1.03rem; }

/* ==========================================================
   CONTACT
   ========================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 1.5rem; }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-form label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; color: var(--deep); }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius);
  font-family: var(--sans); font-size: 0.95rem; margin-bottom: 18px; background: var(--white); color: var(--ink);
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form button { cursor: pointer; }
.contact-info-card { background: var(--mist); border: 1px solid var(--line); padding: 26px; border-radius: var(--radius); }
.contact-info-card h3 { font-size: 1rem; margin-bottom: 0.4em; }
.contact-info-card .item { margin-bottom: 1.2rem; }
.contact-info-card .item:last-child { margin-bottom: 0; }

/* ==========================================================
   MEMBERSHIP CTA BLOCK
   ========================================================== */
.cta-strip { background: var(--deep); color: var(--white); padding: 48px 0; text-align: center; }
.cta-strip h2 { color: var(--white); }
.cta-strip p { color: rgba(255,255,255,0.85); margin: 0 auto 1.6rem; }
.cta-strip .btn-primary { background: var(--white); color: var(--deep); }
.cta-strip .btn-primary:hover { background: var(--mist); }

/* ==========================================================
   FOOTER
   ========================================================== */
footer.site-footer { border-top: 1px solid var(--line); padding: 44px 0 28px; margin-top: 20px; background: var(--mist); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; margin-bottom: 28px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--deep); margin-bottom: 0.9em; font-family: var(--sans); font-weight: 700; }
.footer-grid a { display: block; color: #3a453d; font-size: 0.9rem; margin-bottom: 8px; }
.footer-grid a:hover { color: var(--deep); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; font-size: 0.82rem; color: #55604f; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ==========================================================
   RESPONSIVE NAV
   ========================================================== */
@media (max-width: 900px) {
  .stats-row { flex-wrap: wrap; }
  .stat { flex: 1 1 45%; }
  nav.main-nav {
    position: absolute; top: 100%; left: 0; right: 0; background: var(--white);
    flex-direction: column; align-items: flex-start; padding: 16px 28px 24px;
    border-bottom: 1px solid var(--line); display: none;
  }
  nav.main-nav.open { display: flex; }
  .nav-toggle {
    display: inline-block; background: none; border: 1px solid var(--deep); border-radius: var(--radius);
    padding: 7px 12px; font-size: 0.88rem; cursor: pointer; color: var(--deep);
  }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }