/* ==========================================================
   BRING CHANGE TO MIND — design tokens
   ========================================================== */
:root{
  --ink:        #1B2420;
  --ink-soft:   #46524C;
  --bg:         #FFFFFF;
  --bg-alt:     #FFFFFF;
  --tint-green: #E3EBDE;
  --tint-amber: #FAEFD9;
  --surface:    #FFFFFF;
  --green:      #2F6B4F;
  --green-deep: #1B4433;
  --green-soft: #E4EDE6;
  --amber:      #E8A33D;
  --amber-deep: #C77F1F;
  --amber-soft: #FBECD3;
  --line:       #D8DCD1;

  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --container: 1120px;
  --radius-s: 8px;
  --radius-m: 16px;
  --radius-l: 28px;

  --shadow-card: 0 1px 2px rgba(27,36,32,0.04), 0 8px 24px rgba(27,36,32,0.06);
}

/* ==========================================================
   RESET
   ========================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; scroll-padding-top: 84px; }
@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;
  }
}
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3{
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0;
  line-height: 1.1;
  font-weight: 600;
}
p{ margin: 0 0 1em; }
a{ color: inherit; }
ul{ margin:0; padding:0; list-style:none; }
img{ max-width: 100%; display:block; }
:focus-visible{
  outline: 2.5px solid var(--amber-deep);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link{
  position:absolute; left:-999px; top:0; z-index:200;
  background: var(--ink); color:#fff; padding: 10px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus{ left:0; }

/* ==========================================================
   HEADER / NAV
   ========================================================== */
.site-header{
  position: sticky; top:0; z-index:100;
  background: rgba(243,244,238,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
  display:flex; align-items:center; justify-content:space-between;
  gap: 16px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand-mark{ color: var(--green); display:flex; }
.primary-nav{
  display:flex; align-items:center; gap: 22px;
  flex-wrap: wrap;
}
.primary-nav a{
  text-decoration:none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
  position:relative;
  padding: 4px 0;
  transition: color 0.15s ease;
}
.primary-nav a:hover{ color: var(--green-deep); }
.primary-nav a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:-2px;
  height:2px; background: var(--amber);
  transition: right 0.2s ease;
}
.primary-nav a:hover::after,
.primary-nav a.active::after{ right:0; }
.nav-insta{
  font-family: var(--font-mono);
  font-size: 0.78rem !important;
  color: var(--green-deep) !important;
}

.nav-toggle{
  display:none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-s);
  cursor:pointer;
}
.nav-toggle span{
  display:block; height:2px; width: 18px; margin: 0 auto;
  background: var(--ink); transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================
   BUTTONS
   ========================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration:none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn-primary{
  background: var(--green);
  color: #fff;
  box-shadow: 0 6px 18px rgba(47,107,79,0.24);
}
.btn-primary:hover{ background: var(--green-deep); transform: translateY(-1px); }
.btn-ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--bg); }
.btn-small{
  padding: 8px 16px;
  font-size: 0.82rem;
}

/* ==========================================================
   HERO
   ========================================================== */
.hero-band{
  background: linear-gradient(155deg, var(--green-deep) 0%, var(--green) 55%, #B97A2A 130%);
  overflow: hidden;
  position: relative;
}
.hero{
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 24px 76px;
  display:grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.hero::before{
  content:"";
  position: absolute;
  top: -140px; right: -160px;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(232,163,61,0.35), transparent 70%);
  z-index: 0;
  pointer-events: none;
}
.hero::after{
  content:"";
  position: absolute;
  bottom: -180px; left: -140px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle at 60% 40%, rgba(255,255,255,0.08), transparent 70%);
  z-index: 0;
  pointer-events: none;
}
.hero-inner{ max-width: 620px; position: relative; z-index: 2; }
.school-badge{
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  color: var(--ink);
  background: var(--amber);
  padding: 9px 20px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
  margin-bottom: 22px;
}
.hero-title{
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  letter-spacing: -0.02em;
  color: #FBF9F2;
}
.hero-title-accent{ color: var(--amber); font-style: italic; }
.hero-sub{
  margin-top: 22px;
  font-size: 1.1rem;
  color: rgba(251,249,242,0.82);
  max-width: 52ch;
}
.hero-actions{
  display:flex; gap: 14px; flex-wrap: wrap;
  margin-top: 32px;
}
.hero .btn-primary{
  background: var(--amber);
  color: var(--ink);
  box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}
.hero .btn-primary:hover{ background: #FBF9F2; }
.hero .btn-ghost{
  color: #FBF9F2;
  border-color: rgba(251,249,242,0.55);
}
.hero .btn-ghost:hover{ background: rgba(251,249,242,0.12); color: #FBF9F2; }

.hero-chain{
  width: 100%;
  height: 260px;
  position: relative;
  z-index: 1;
}
.hero-chain svg{ width:100%; height:100%; }
.chain-node{
  transition: opacity 0.4s ease;
}
.chain-line{
  stroke-dasharray: 240;
  stroke-dashoffset: 240;
}

/* ==========================================================
   SECTIONS — shared
   ========================================================== */
.section{ padding: 88px 24px; }
.section-alt{ background: var(--bg-alt); }
.section-tint-green{ background: var(--tint-green); }
.section-tint-amber{ background: var(--tint-amber); }
.section-inner{ max-width: var(--container); margin: 0 auto; }
.section-inner-narrow{ max-width: 640px; }
.section-label{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--amber-deep);
  margin-bottom: 14px;
}
.section-title{
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  max-width: 22ch;
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: 18px;
}
.section-title::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width: 56px; height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--green), var(--amber));
}
.section-intro{
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 60ch;
}

/* reveal-on-scroll */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ==========================================================
   ABOUT
   ========================================================== */
.about-grid{
  margin-top: 44px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-copy p{ color: var(--ink-soft); font-size: 1.02rem; }

.about-photo-placeholder{
  margin: 24px 0 0;
  padding: 40px 20px;
  border: 1.5px dashed var(--line);
  border-radius: var(--radius-m);
  background: var(--surface);
  text-align: center;
  color: var(--ink-soft);
}
.about-photo-placeholder .placeholder-icon{
  display:inline-flex;
  align-items:center; justify-content:center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green-deep);
  margin-bottom: 10px;
}
.about-photo-placeholder figcaption{
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.about-photo{
  margin-top: 24px;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 2.5px solid var(--green);
}

.pillars{
  display:grid;
  gap: 26px;
}
.pillars li{
  display:flex; gap: 16px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.pillars li:last-child{ border-bottom:none; padding-bottom:0; }
.pillar-num{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--green-deep);
  background: var(--green-soft);
  width: 32px; height: 32px;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.pillars li:nth-child(even) .pillar-num{
  color: var(--amber-deep);
  background: var(--amber-soft);
}
.pillars h3{ font-size: 1.05rem; margin-bottom: 4px; }
.pillars p{ color: var(--ink-soft); font-size: 0.95rem; margin:0; }

/* ==========================================================
   MEETING
   ========================================================== */
.meeting-card{
  margin-top: 40px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--green);
  border-radius: var(--radius-l);
  padding: 40px;
  display:flex;
  gap: 40px;
  align-items: center;
  box-shadow: var(--shadow-card);
}
.meeting-date{
  flex-shrink:0;
  width: 128px; height: 128px;
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, var(--green), var(--green-deep));
  color: #fff;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
}
.meeting-day{ font-family: var(--font-display); font-size: 2.4rem; font-weight: 600; line-height:1; }
.meeting-month{ font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; margin-top:6px; }
.meeting-details h3{ font-size: 1.3rem; margin-bottom: 16px; }
.meeting-meta{
  display:flex; flex-wrap: wrap; gap: 28px;
  margin: 0 0 16px;
}
.meeting-meta dt{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber-deep);
  margin-bottom: 4px;
}
.meeting-meta dd{ margin:0; font-weight: 600; }
.meeting-note{ color: var(--ink-soft); margin:0; font-size: 0.95rem; }

/* ==========================================================
   OFFICERS
   ========================================================== */
.officers-grid{
  margin-top: 44px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.officer-card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 28px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.officer-card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.officer-avatar{
  width: 140px; height:140px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green-deep);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  display:flex; align-items:center; justify-content:center;
  border: 2px solid var(--line);
  object-fit: cover;
}
.officer-card:nth-child(3n+2) .officer-avatar{
  background: var(--amber-soft);
  color: var(--amber-deep);
}
.officer-card:nth-child(3n) .officer-avatar{
  background: var(--bg-alt);
  color: var(--green-deep);
}
.officer-card h3{ font-size: 1.05rem; }
.officer-role{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 4px 0 0;
}

/* ==========================================================
   SPONSORS / JOIN (shared two-column layout)
   ========================================================== */
.sponsors-grid{
  margin-top: 44px;
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.sponsors-copy p{ color: var(--ink-soft); font-size: 1.02rem; }
.sponsor-list{ display:grid; gap: 12px; margin: 20px 0; }
.sponsor-list li{
  padding-left: 26px;
  position: relative;
  color: var(--ink-soft);
  font-size: 0.98rem;
}
.sponsor-list li::before{
  content:"";
  position:absolute; left:0; top: 8px;
  width: 8px; height:8px; border-radius: 50%;
  background: var(--amber);
}
.sponsors-alt{ font-size: 0.92rem; }
.sponsors-alt a{ color: var(--green-deep); font-weight: 600; text-decoration: underline; }

.form-card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--amber);
  border-radius: var(--radius-l);
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.form-card h3{ font-size: 1.15rem; margin-bottom: 10px; }
.form-card p{ color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 24px; }
.sponsor-form-btn{ width: 100%; }

/* ==========================================================
   GALLERY
   ========================================================== */
.gallery-grid{
  margin-top: 44px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item{
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-m);
  overflow: hidden;
}
.gallery-item img{
  width:100%; height:100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.gallery-item:hover img{ transform: scale(1.05); }

.gallery-placeholder{
  width:100%; height:100%;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap: 8px;
  border: 1.5px dashed var(--line);
  border-radius: var(--radius-m);
  background: var(--surface);
  color: var(--ink-soft);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.gallery-item:nth-child(3n+1) .gallery-placeholder{ background: var(--green-soft); color: var(--green-deep); }
.gallery-item:nth-child(3n+2) .gallery-placeholder{ background: var(--amber-soft); color: var(--amber-deep); }
.gallery-placeholder span{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ==========================================================
   CONTACT
   ========================================================== */
.contact-card{
  margin-top: 40px;
  display:flex; align-items:center; gap: 18px; flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--green);
  border-radius: var(--radius-l);
  padding: 32px;
  box-shadow: var(--shadow-card);
}
.contact-email{
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--green-deep);
  text-decoration: none;
  border-bottom: 1.5px solid var(--green-deep);
  padding-bottom: 2px;
}
.copy-confirm{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--green-deep);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.copy-confirm.is-visible{ opacity: 1; }
.contact-insta{
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 0.98rem;
}
.contact-insta a{ color: var(--green-deep); font-weight:600; text-decoration: underline; }

/* ==========================================================
   FOOTER
   ========================================================== */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 32px 24px 40px;
}
.footer-inner{
  max-width: var(--container);
  margin: 0 auto;
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.footer-sub{ font-family: var(--font-mono); font-size: 0.78rem; }

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 880px){
  .about-grid, .sponsors-grid{ grid-template-columns: 1fr; }
  .officers-grid{ grid-template-columns: repeat(2, 1fr); }
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
  .meeting-card{ flex-direction: column; text-align:center; }
  .meeting-meta{ justify-content:center; }
}

@media (max-width: 680px){
  .nav-toggle{ display:flex; }
  .primary-nav{
    position: absolute;
    top: 100%; left:0; right:0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 24px 20px;
    display:none;
  }
  .primary-nav.is-open{ display:flex; }
  .primary-nav a{ width:100%; padding: 10px 0; }
  .officers-grid{ grid-template-columns: 1fr; }
  .gallery-grid{ grid-template-columns: 1fr; }
  .hero{ padding-top: 56px; }
  .contact-card{ flex-direction:column; align-items:flex-start; }
}