/* =========================
   Sigma Nu — Mu Tau (UCO)
   Modern HTML/CSS only
   ========================= */

:root{
  --navy:#0b1f3a;
  --navy-2:#0f2a4f;
  --gold:#d8b24c;
  --gold-2:#f0d98a;
  --bg:#070b12;
  --card:#0c1320;
  --card-2:#0e1726;
  --text:#eaf0ff;
  --muted:#b7c2da;
  --line:rgba(255,255,255,.10);
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --radius:18px;
  --radius-2:26px;
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 70% -10%, rgba(216,178,76,.18), transparent 60%),
    radial-gradient(900px 500px at 10% 0%, rgba(15,42,79,.35), transparent 55%),
    linear-gradient(180deg, #050812 0%, #070b12 45%, #050812 100%);
  min-height:100vh;
  line-height:1.5;
}

a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.container{width:min(var(--max), 92vw); margin:0 auto}

/* Header / Nav */
.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:14px; top:14px; width:auto; height:auto; padding:10px 12px;
  background:var(--card); border:1px solid var(--line); border-radius:10px;
  z-index:9999;
}

.header{
  position:sticky; top:0; z-index:1000;
  backdrop-filter: blur(10px);
  background: rgba(7,11,18,.60);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{
  display:flex; align-items:center; gap:12px;
}
.badge{
  width:40px; height:40px; border-radius:12px;
  background:
    radial-gradient(18px 18px at 30% 30%, rgba(240,217,138,.7), transparent 55%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%);
  border:1px solid rgba(216,178,76,.35);
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
}
.brand h1{
  font-size:14px; margin:0; letter-spacing:.8px; text-transform:uppercase;
}
.brand p{
  margin:0; font-size:12px; color:var(--muted);
}

.nav-links{
  display:flex; gap:10px; flex-wrap:wrap;
}
.nav-links a{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--muted);
  font-weight:600;
  font-size:13px;
}
.nav-links a:hover{
  color:var(--text);
  border-color:rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
}
.nav-links a.active{
  color:var(--text);
  border-color:rgba(216,178,76,.35);
  background: rgba(216,178,76,.10);
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color:var(--text);
  font-weight:700;
  font-size:14px;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.18);
}
.btn.primary{
  background: linear-gradient(135deg, rgba(216,178,76,.95), rgba(240,217,138,.75));
  color:#16120a;
  border-color: rgba(216,178,76,.6);
}
.btn.primary:hover{
  background: linear-gradient(135deg, rgba(240,217,138,.95), rgba(216,178,76,.8));
}
.btn.small{padding:10px 12px; border-radius:12px; font-size:13px}

/* Hero */
.hero{
  padding:54px 0 24px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:22px;
  align-items:stretch;
}
.hero-card{
  background: linear-gradient(180deg, rgba(12,19,32,.95), rgba(12,19,32,.65));
  border:1px solid var(--line);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hero-card-inner{
  padding:28px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.9px;
  text-transform:uppercase;
}
.dot{
  width:8px; height:8px; border-radius:999px;
  background: var(--gold);
  box-shadow: 0 0 0 6px rgba(216,178,76,.14);
}
.hero h2{
  font-size:40px;
  line-height:1.05;
  margin:0;
  letter-spacing:-.8px;
}
.hero h2 span{
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero p{
  margin:0;
  color:var(--muted);
  max-width:62ch;
  font-size:15px;
}
.hero-actions{
  display:flex; gap:12px; flex-wrap:wrap;
  margin-top:6px;
}

/* Side panel */
.side{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.side h3{
  margin:0;
  font-size:15px;
  letter-spacing:.2px;
}
.meta{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
}
.meta-item{
  padding:14px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.meta-item small{display:block; color:var(--muted); letter-spacing:.6px; text-transform:uppercase; font-size:11px}
.meta-item strong{display:block; margin-top:6px; font-size:14px}

/* Sections */
.section{
  padding:22px 0 52px;
}
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:16px;
  margin-bottom:14px;
}
.section-head h3{
  margin:0;
  font-size:20px;
  letter-spacing:-.3px;
}
.section-head p{
  margin:0;
  color:var(--muted);
  max-width:68ch;
  font-size:13px;
}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.card{
  background: linear-gradient(180deg, rgba(12,19,32,.92), rgba(12,19,32,.70));
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(0,0,0,.35);
  overflow:hidden;
}
.card .pad{padding:18px}
.card h4{margin:0 0 6px; font-size:16px}
.card p{margin:0; color:var(--muted); font-size:13px}
.pill{
  display:inline-flex; align-items:center;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(216,178,76,.35);
  background: rgba(216,178,76,.10);
  color: var(--gold-2);
  font-weight:700;
  font-size:12px;
  letter-spacing:.2px;
}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}

/* Page header */
.page-hero{
  padding:34px 0 10px;
}
.breadcrumb{
  color:var(--muted);
  font-size:13px;
}
.page-title{
  margin:8px 0 0;
  font-size:34px;
  letter-spacing:-.6px;
}
.page-sub{
  margin:10px 0 0;
  color:var(--muted);
  max-width:75ch;
  font-size:14px;
}

/* News list */
.news-list{
  display:grid;
  gap:12px;
}
.news-item{
  display:flex;
  gap:14px;
  padding:16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.news-date{
  min-width:90px;
  color:var(--muted);
  font-weight:700;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.5px;
}
.news-item h4{margin:0 0 4px; font-size:16px}
.news-item p{margin:0; color:var(--muted); font-size:13px}

/* Members */
.toolbar{
  display:flex; align-items:center; justify-content:space-between;
  gap:10px;
  padding:16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  margin-bottom:14px;
}
.search{
  display:flex; align-items:center; gap:10px;
  width:min(520px, 100%);
}
.search input{
  width:100%;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(12,19,32,.65);
  color:var(--text);
  outline:none;
}
.search input::placeholder{color:rgba(183,194,218,.65)}
.select{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(12,19,32,.65);
  color:var(--text);
  outline:none;
}

.member-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:12px;
}
.member{
  padding:16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.avatar{
  width:42px; height:42px; border-radius:14px;
  background: linear-gradient(135deg, rgba(216,178,76,.7), rgba(15,42,79,.95));
  border:1px solid rgba(255,255,255,.12);
  margin-bottom:12px;
}
.member h4{margin:0 0 4px; font-size:15px}
.member p{margin:0; color:var(--muted); font-size:12px}

/* Forms */
.form{
  display:grid;
  gap:12px;
}
.field label{
  display:block;
  font-size:12px;
  color:var(--muted);
  margin-bottom:6px;
  letter-spacing:.6px;
  text-transform:uppercase;
}
.field input, .field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(12,19,32,.65);
  color:var(--text);
  outline:none;
}
.field textarea{min-height:140px; resize:vertical}
.helper{color:var(--muted); font-size:12px}

/* Footer */
.footer{
  border-top:1px solid var(--line);
  padding:22px 0;
  color:var(--muted);
  font-size:13px;
}
.footer-row{
  display:flex; align-items:center; justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.footer a{color:var(--gold-2); font-weight:700}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .member-grid{grid-template-columns: repeat(2, 1fr)}
}
@media (max-width: 520px){
  .member-grid{grid-template-columns:1fr}
  .hero h2{font-size:32px}
}


/* Logo image replacement */
.logo{
  width:40px;
  height:40px;
  border-radius:12px;
  object-fit:cover;
  border:1px solid rgba(216,178,76,.35);
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
}


/* ===== Slider (Chapter Preview) ===== */
.slider{
  position:relative;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  overflow:hidden;
  min-height: 250px; /* keeps it same “card” feel */
}

.slides{
  position:relative;
  height: 250px;
}

.slide{
  position:absolute;
  inset:0;
  opacity:0;
  transform: scale(1.02);
  transition: opacity .35s ease, transform .35s ease;
}

.slide.active{
  opacity:1;
  transform: scale(1);
}

.slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

/* subtle dark overlay for readability */
.slide::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(7,11,18,.10), rgba(7,11,18,.45));
}

.slider-btn{
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  width:42px;
  height:42px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(12,19,32,.70);
  color: var(--text);
  font-size:26px;
  line-height:0;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

.slider-btn:hover{
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.20);
}

.slider-btn.prev{left:12px}
.slider-btn.next{right:12px}

.dots{
  position:absolute;
  bottom:10px;
  left:50%;
  transform: translateX(-50%);
  display:flex;
  gap:8px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(12,19,32,.55);
  backdrop-filter: blur(6px);
}

.dot-btn{
  width:10px;
  height:10px;
  border-radius:999px;
  border:0;
  background: rgba(255,255,255,.28);
  cursor:pointer;
}

.dot-btn.active{
  background: var(--gold);
}


.highlight-gold{
  color: var(--gold);
  font-weight: 700;
  font-size: inherit;
}



/* ===== About page sections ===== */
.section-nav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding:14px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  margin-top:14px;
}

.section-nav a{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(12,19,32,.55);
  color: var(--muted);
  font-weight:700;
  font-size:13px;
}

.section-nav a:hover{
  color: var(--text);
  border-color: rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
}

.section-block{
  margin-top:14px;
}

.section-block .block-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:10px;
}

.section-block .block-head h3{
  margin:0;
  font-size:20px;
  letter-spacing:-.3px;
}

.section-block .block-head p{
  margin:0;
  color: var(--muted);
  font-size:13px;
  max-width:70ch;
}

.block-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:14px;
}

.block-grid.two{
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 980px){
  .block-grid.two{grid-template-columns:1fr}
}

.kpi-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
}

@media (max-width: 980px){
  .kpi-grid{grid-template-columns:1fr}
}

.kpi{
  padding:16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}

.kpi small{
  display:block;
  color: var(--muted);
  letter-spacing:.6px;
  text-transform:uppercase;
  font-size:11px;
}

.kpi strong{
  display:block;
  margin-top:8px;
  font-size:22px;
  letter-spacing:-.3px;
}

.kpi span{
  display:block;
  margin-top:6px;
  color: var(--muted);
  font-size:12px;
}

.creed{
  padding:18px;
  border-radius: var(--radius);
  border:1px solid rgba(216,178,76,.25);
  background: rgba(216,178,76,.06);
}

.creed h4{
  margin:0 0 8px;
  font-size:16px;
}

.creed p{
  margin:0;
  color: var(--text);
  font-size:14px;
}



/* ===== News horizontal rows ===== */
.news-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.news-row{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 20px;
  border-radius:14px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}

.news-content{
  flex:1;
}

.news-row h4{
  margin:0 0 4px;
}

.news-row p{
  margin:0;
  font-size:14px;
  opacity:.9;
}


/* Contact form actions */
.form-actions{
  display:flex;
  gap:12px;
  margin-top:14px;
  flex-wrap:wrap;
}

/* Inline error message */
.form-error{
  margin-top:12px;
  padding:10px 12px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:12px;
  background:rgba(255,0,0,.08);
  display:none;
}



/* Business card filler image under Latest Updates */
.contact-card-image{
  display:flex;
  justify-content:center;
  align-items:center;
  margin-top:14px;
  flex:1; /* fills remaining vertical space without breaking card height */
}

.contact-card-image img{
  width:100%;
  max-width:260px;        /* largest safe size to keep cards equal height */
  height:auto;
  object-fit:contain;
  opacity:0.95;
  border-radius:12px;
  box-shadow:0 12px 28px rgba(0,0,0,0.4);
}


/* Scoped: Contact page meta grid (prevents breaking other pages) */
.contact-meta{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
  margin-top: 12px;
}

.contact-meta .meta-item{
  grid-column: span 6;
  padding:18px 18px;
  border-radius:18px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  position: relative;
  overflow: hidden;
}

.contact-meta .meta-item:nth-child(3){
  grid-column: 1 / -1;
}

.contact-meta .meta-item::before{
  content:"";
  position:absolute;
  inset:0;
  background: radial-gradient(1200px 380px at 0% 0%, rgba(255,255,255,0.10), transparent 55%);
  pointer-events:none;
}

.contact-meta .meta-item small{
  display:block;
  letter-spacing:.18em;
  text-transform: uppercase;
  opacity:.75;
  font-size:.78rem;
  margin-bottom:6px;
}

.contact-meta .meta-item strong{
  display:block;
  font-size:1.05rem;
  line-height:1.35;
}

@media (max-width: 740px){
  .contact-meta .meta-item{ grid-column: 1 / -1; }
}


/* About page: small inline image row (scoped classes, won't affect other pages) */
.about-inline-media{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.about-inline-img{
  width:min(260px, 42%);
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  overflow:hidden;
  background: rgba(255,255,255,.03);
}

.about-inline-img img{
  width:100%;
  height:160px;
  object-fit:cover;
  display:block;
}

@media (max-width: 980px){
  .about-inline-media{ flex-direction:column; align-items:stretch; }
  .about-inline-img{ width:100%; }
}


/* ===== Image Lightbox ===== */
.lightbox{
  position:fixed;
  inset:0;
  display:none;
  z-index:9999;
}

.lightbox.active{
  display:block;
}

.lightbox-backdrop{
  position:absolute;
  inset:0;
  background:rgba(5,8,18,0.75);
  backdrop-filter: blur(10px);
}

.lightbox-content{
  position:relative;
  z-index:2;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.lightbox-content img{
  max-width:95%;
  max-height:90%;
  border-radius:18px;
  box-shadow:0 30px 80px rgba(0,0,0,0.6);
}

.lightbox-close{
  position:absolute;
  top:20px;
  right:24px;
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(12,19,32,.8);
  color:#fff;
  font-size:28px;
  cursor:pointer;
}