/* style.css — Elion Conference 2025 */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700;800&display=swap');

:root{
  --royal: #1a237e;          /* Royal blue */
  --royal-2:#283593;         /* Darker shade */
  --accent:#00b0ff;          /* Light blue accent */
  --gold:#ffd700;            /* Highlight */
  --ink:#0b102b;             /* Deep background */
  --bg:#f5f7fb;              /* Page background */
  --card:#ffffff;            /* Card background */
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:#1b1e28;
  margin:0;
}

/* ===== Layout Utilities ===== */
.container{width:min(1120px,92%);margin-inline:auto}
.section{padding:80px 0}
.section.alt{background:#eef2ff}
.section-title{font-size:2.2rem;color:var(--royal);text-align:center;margin:0 0 24px}
.lead{font-size:1.05rem;color:#3e4357;max-width:920px;margin:0 auto}
.grid{display:grid;gap:24px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
#unique{
    color: #ffffff;
}

@media (max-width:900px){
  .grid.two{grid-template-columns:1fr}
  .grid.three{grid-template-columns:1fr 1fr}
  .grid.four{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .grid.three,.grid.four{grid-template-columns:1fr}
}

/* ===== Header / Navigation ===== */
#site-header{position:fixed;top:0;left:0;right:0;background:linear-gradient(90deg,var(--royal),var(--royal-2));color:#fff;z-index:1000;box-shadow:0 6px 24px rgba(10,16,40,.2)}
.nav-container{display:flex;align-items:center;justify-content:space-between;padding:30px 0}
.logo{font-weight:800;font-size:20px; letter-spacing:.5px;color:#fff;text-decoration:none}
nav .nav-links{display:flex;gap:22px;list-style:none;margin:0;padding:0;align-items:center}
.nav-links a{color:#fff;text-decoration:none;font-weight:600;opacity:.92;transition:opacity .25s}
.nav-links a:hover{opacity:1}

/* Hamburger button injected by JS */
.menu-toggle{display:none;position:relative;width:40px;height:28px;border:0;background:transparent;cursor:pointer}
.menu-toggle span{position:absolute;left:0;right:0;height:3px;background:#fff;border-radius:3px;transition:transform .3s,top .3s,opacity .3s}
.menu-toggle span:nth-child(1){top:4px}
.menu-toggle span:nth-child(2){top:12px}
.menu-toggle span:nth-child(3){top:20px}
.menu-toggle.open span:nth-child(1){top:12px;transform:rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){top:12px;transform:rotate(-45deg)}

@media (max-width:860px){
  .menu-toggle{display:block}
  nav .nav-links{position:fixed;inset:0 0 0 auto;width:min(82vw,320px);background:linear-gradient(180deg,var(--royal),var(--royal-2));padding:96px 28px;flex-direction:column;gap:26px;transform:translateX(100%);transition:transform .45s cubic-bezier(.22,.61,.36,1)}
  nav .nav-links.active{transform:translateX(0)}
}

.header-spacer{height:72px}

/* ===== Hero ===== */
.hero{min-height:82vh;display:grid;place-items:center;text-align:center;color:#fff;background:url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d?q=80&w=1600&auto=format&fit=crop') center/cover no-repeat;position:relative}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,44,.58),rgba(10,15,44,.75))}
.hero .hero-inner{position:relative;z-index:1;padding:24px}
.hero h1{font-size:clamp(2rem,4vw,3.2rem);margin:0 0 10px;font-weight:800;letter-spacing:.4px}
.hero .sub{opacity:.95;margin-bottom:18px}
.cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{--_bg:var(--accent);--_fg:#07102b;display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:999px;border:2px solid transparent;font-weight:700;text-decoration:none;transition:transform .15s,box-shadow .25s,background .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18)}
.btn-primary{background:#e2e4f3;color:#0a2d74}
.btn-ghost{background:transparent;border-color:#c9d3ff;color:#e8ecff}
.btn-ghost:hover{background:rgba(255,255,255,.08)}

/* ===== Lists ===== */
.bullets{margin:0;padding-left:1.1rem}
.bullets li{margin:.4rem 0}

/* ===== Flash Cards ===== */
.keywords{background:#0a0f2c;color:#e8ecff;position:relative;overflow:hidden}
.flashcard-stage{position:relative;height:220px;display:grid;place-items:center;perspective:1000px}
.flash-card{position:absolute;font-weight:800;font-size:clamp(1.6rem,3.2vw,2.4rem);padding:52px 34px;border-radius:10px;background:linear-gradient(135deg,#1a237e,#283593);box-shadow:0 16px 40px rgba(0,0,0,.35);transform-style:preserve-3d;opacity:0;transition:opacity .7s ease, transform .7s ease}

/* ===== Counters ===== */
.counters{background:#f1f4ff}
.counter-box{background:var(--card);border-radius:18px;padding:26px;text-align:center;box-shadow:0 12px 28px rgba(10,16,40,.08)}
.counter{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--royal)}
.counter-box p{margin:.25rem 0 0;color:#3a4264;font-weight:600}

/* ===== Founder ===== */
.founder-grid{display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:center}
.founder-photo img{display:block;width:100%;height:auto;border-radius:20px;box-shadow:0 18px 36px rgba(10,16,40,.18)}
@media (max-width:860px){.founder-grid{grid-template-columns:1fr}}

/* ===== Team ===== */
.cards{grid-template-columns:repeat(3,1fr)}
.team-card{background:var(--card);border-radius:18px;overflow:hidden;box-shadow:0 12px 28px rgba(10,16,40,.1);transition:transform .25s ease, box-shadow .25s}
.team-card:hover{transform:translateY(-6px) scale(1.01);box-shadow:0 18px 48px rgba(10,16,40,.16)}
.team-card img{width:100%;height:240px;object-fit:cover}
.team-card h3{margin:14px 14px 0;font-size:1.1rem}
.team-card p{margin:2px 14px 16px;color:#5a6289}

/* ===== Partner ===== */
.partner-flex{display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:center}
.partner-logo img{max-width:100%;height:auto;display:block;border-radius:14px;box-shadow:0 10px 26px rgba(10,16,40,.15)}
@media (max-width:860px){.partner-flex{grid-template-columns:1fr;text-align:center}; .alt{display: grid;}}

/* ===== Registration / Form Wrapper (custom scrollbar) ===== */
.form-wrapper{max-width:980px;margin:0 auto;background:var(--card);border-radius:18px;box-shadow:0 16px 40px rgba(10,16,40,.12);padding:10px}
.form-frame{height:2200px;border-radius:12px}
.form-frame iframe{width:100%;height:100%;border:0}
/* custom scrollbar on the wrapper (works cross-domain) */
.form-frame::-webkit-scrollbar{width:10px}
.form-frame::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--royal),var(--royal-2));border-radius:10px}
.form-frame{scrollbar-width:thin;scrollbar-color:var(--royal) #e7eaff}

/* ===== Social Strip (horizontal scroll with custom bar) ===== */
.social-strip{display:flex;gap:16px;padding:6px;border-radius:14px;}
.social-strip iframe{flex:0 0 320px;height:420px;border:0;border-radius:12px;}
.social-strip::-webkit-scrollbar{height:10px}
.social-strip::-webkit-scrollbar-thumb{background:linear-gradient(90deg,var(--royal),var(--royal-2));border-radius:10px}

/* ===== Footer ===== */
.site-footer{background:#0b102b;color:#cbd5ff;position:relative;padding:26px 0}
.footer-flex{display:flex;align-items:center;justify-content:space-between;gap:16px}
.footer-flex .icons a{color:#cbd5ff;margin-left:10px;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:999px;background:rgba(255,255,255,.06);transition:background .25s, transform .2s}
.footer-flex .icons a:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}

/* Back to Top */
.back-to-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:999px;border:0;background:var(--gold);color:#0b102b;display:grid;place-items:center;cursor:pointer;box-shadow:0 14px 30px rgba(0,0,0,.2);opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .25s, transform .25s}
.back-to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}


.section-title {
  text-align: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.social-strip {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 15px;
  scroll-snap-type: x mandatory;
}

.social-strip iframe {
  flex: 0 0 320px; /* Fixed width for each post */
  height: 500px; /* Adjust based on your content */
  border-radius: 12px;
  border: 0;
  scroll-snap-align: start;
}

/* Optional: hide scrollbar but keep scroll functionality */
.social-strip::-webkit-scrollbar {
  height: 8px;
}

.social-strip::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

.social-strip::-webkit-scrollbar-track {
  background: transparent;
}

@media (max-width: 768px) {
  .social-strip iframe {
    flex: 0 0 280px;
    height: 480px;
  }
}

.slider-container {
  width: 100%;
  max-width: 800px;
  margin: 40px auto;
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.slider {
  display: flex;
  width: 100%;
  transition: transform 0.5s ease-in-out;
}

.slide {
  min-width: 100%;
  position: relative;
  text-align: center;
}

.slide img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.description {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 18px;
}

.navigation {
  position: absolute;
  width: 100%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
}

.navigation span {
  font-size: 30px;
  color: #fff;
  cursor: pointer;
  user-select: none;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 50%;
}

.dots {
  text-align: center;
  position: absolute;
  bottom: 10px;
  width: 100%;
}

.dot {
  height: 12px;
  width: 12px;
  margin: 0 5px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
}

.dot.active {
  background-color: #007bff;
}