/* 🌟 Variables */
:root {
  --bg-color: #f5f7fa;
  --text-color: #121212;
  --accent-color: #00e0d4;
  --button-bg: linear-gradient(135deg,#00e0d4,#008c8c);
  --button-hover: linear-gradient(135deg,#00f7ff,#00aaaa);
  --shadow-light: 0px 6px 20px rgba(0,0,0,0.15);
  --shadow-dark: 0px 8px 25px rgba(0,224,212,0.6);
  --blur-bg: rgba(255,255,255,0.1);
}

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* =========================
   Global Styles
   ========================= */
body {
  font-family: "Poppins", Arial, sans-serif;
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f0f0f, #1a1a1a, #000000);
  overflow-x: hidden;
  color: #fff;
}


/* =========================
   Navigation Bar
   ========================= */
.horizontal-nav {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  padding: 12px 0;
  display: flex;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  overflow-x: auto;
  scrollbar-width: none;
}

.horizontal-nav::-webkit-scrollbar { display: none; }

.nav-list {
  list-style: none;
  display: flex;
  gap: 15px;
  padding: 0;
  margin: 0;
}

.nav-list li { display: flex; }

.nav-list a {
  display: flex;
  align-items: center;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 15px;
  transition: all 0.3s ease-in-out;
  color: #f0f0f0;
}

.nav-list a i {
  margin-right: 8px;
  font-size: 20px;
  color: #f0f0f0;
  transition: color 0.3s ease;
}

.nav-list a:hover i {
  color: #32f2f8; /* optional gradient effect handled via text above */
}

.nav-list a:hover {
  -webkit-text-fill-color: transparent;
  background: linear-gradient(60deg, #be2edd, #00a8ff, #F79F1F);
  background-clip: text;
  box-shadow: 0 0 10px rgba(50, 242, 248, 0.3);
}

.nav-list img {
  margin-right: 8px;
  width: 22px;
  height: 22px;
  filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.4));
}

/* Push content below nav */
.main-content { margin-top: 80px; }

/* Header */
.main-header {
  text-align: center;
  padding: 60px 20px 40px;
  background: linear-gradient(135deg, #141414, #202020);
  color: #fff;
  box-shadow: var(--shadow-dark);
  position: relative;
  border-bottom: 3px solid var(--accent-color);
  border-radius: 0 0 25px 25px;
}

.main-header h1 {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.main-header p {
  font-size: 1.1rem;
  margin-top: 8px;
  opacity: 0.85;
}

/* Convention Content */
.convention-content {
  padding: 40px 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.convention-content h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 30px;
  color: var(--accent-color);
  text-shadow: 0 0 6px rgba(0,224,212,0.6);
}

.conventions-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.conventions-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: var(--blur-bg);
  border-radius: 15px;
  box-shadow: var(--shadow-light);
  backdrop-filter: blur(20px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.conventions-list li:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-dark);
}

.event-name {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--accent-color);
}

.event-date, .event-location, .event-description {
  font-size: 1.05rem;
  opacity: 0.9;
}

/* Add Event Button */
.add-event-btn {
  background: var(--button-bg);
  color: #000;
  padding: 12px 25px;
  font-weight: 600;
  border-radius: 30px;
  border: none;
  margin: 30px auto 0 auto;
  display: block;
  cursor: pointer;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
}

.add-event-btn:hover { background: var(--button-hover); transform: scale(1.05); }

/* Responsive */
@media (max-width: 768px){
  .main-header h1 { font-size: 2rem; }
  .convention-content h2 { font-size: 1.8rem; }
  .conventions-list li { text-align: center; padding: 15px; }
  .event-name { font-size: 1.2rem; }
}