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

body {
  font-family: 'Segoe UI', sans-serif;
  background: #0a0a0a;
  color: #fff;
  overflow-x: hidden;
}

/* NAVBAR */
header {
  background: rgba(0, 0, 0, 0.6);
  padding: 15px 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 40px;
}

nav ul li a {
  text-decoration: none;
  color: #fff;
  font-weight: 600;
  letter-spacing: 1px;
  transition: 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
  color: #ffcc00;
  text-shadow: 0 0 12px #ffcc00;
}

/* HERO SECTION */
.hero-section {
  height: 100vh;
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  animation: slideShow 15s infinite;
  position: relative;
}

/* Background Slideshow */
@keyframes slideShow {
  0%   { background-image: url('images/banner1.png'); }
  33%  { background-image: url('images/banner2.png'); }
  66%  { background-image: url('images/banner3.jpg'); }
  100% { background-image: url('images/banner4.png'); }
}

/* Dark Overlay */
.hero-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  height: 100%; width: 100%;
  background: rgba(0, 0, 0, 0.65);
  z-index: 1;
}

/* Spotlight effect */
.hero-overlay {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 140%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255,200,0,0.2), transparent 70%);
  z-index: 2;
  pointer-events: none;
}

/* Hero Text */
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 750px;
  padding: 20px;
  animation: fadeUp 2s ease-out;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: #ffcc00;
  text-shadow: 0 0 25px rgba(255,204,0,1);
}

.glow-text {
  animation: glowText 3s infinite alternate;
}

@keyframes glowText {
  from { text-shadow: 0 0 15px rgba(255,204,0,0.4); }
  to   { text-shadow: 0 0 25px rgba(255,204,0,1); }
}

.hero-content p {
  font-size: 1.2rem;
  line-height: 1.6;
  color: #eee;
}

/* Register Button */
.btn-register {
  display: inline-block;
  margin-top: 30px;
  padding: 14px 40px;
  background: linear-gradient(45deg, #ffcc00, #ff8800);
  color: #000;
  border-radius: 50px;
  font-weight: bold;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 1px;
  transition: 0.4s ease;
  box-shadow: 0 5px 20px rgba(255, 204, 0, 0.6);
}

.btn-register:hover {
  transform: scale(1.08);
  box-shadow: 0 0 35px rgba(255, 204, 0, 1);
}

.pulse {
  animation: pulseAnim 2s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Fade Animations */
.fade-in { opacity: 0; animation: fadeIn 2s forwards; }
.fade-in-delay { opacity: 0; animation: fadeIn 2s forwards 1s; }

@keyframes fadeIn { to { opacity: 1; } }

/* Smooth upward entrance */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(35px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Floating Musical Notes */
.music-notes span {
  position: fixed;
  top: 120%;
  font-size: 30px;
  color: #ffcc00;
  animation: floatMusic 6s linear infinite;
  opacity: 0.8;
  z-index: 0;
}

.music-notes span:nth-child(1) { left: 10%; animation-delay: 0s; }
.music-notes span:nth-child(2) { left: 30%; animation-delay: 1.2s; }
.music-notes span:nth-child(3) { left: 50%; animation-delay: 2.4s; }
.music-notes span:nth-child(4) { left: 70%; animation-delay: 3.6s; }
.music-notes span:nth-child(5) { left: 90%; animation-delay: 4.8s; }

@keyframes floatMusic {
  0% { transform: translateY(0) rotate(0deg); opacity: 0.5; }
  50% { opacity: 1; }
  100% { transform: translateY(-130vh) rotate(360deg); opacity: 0; }
}

/* Floating Particles */
.particles {
  position: fixed;
  width: 100%;
  height: 100%;
  background: url('https://i.ibb.co/4MqGz9p/particles.png');
  opacity: 0.1;
  pointer-events: none;
  z-index: 0;
  animation: floatParticles 15s infinite alternate;
}

@keyframes floatParticles {
  from { transform: translateY(0); }
  to { transform: translateY(-50px); }
}
/* Footer Styling */
.footer {
  margin-top: 50px;
  background: linear-gradient(180deg, #111, #000);
  padding: 40px 20px;
  text-align: center;
  color: white;
  box-shadow: 0 -5px 20px rgba(255, 0, 102, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  max-width: 900px;
  margin: auto;
}

.footer-logo img {
  height: 70px;
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.7));
}

.footer-logo h3 {
  margin-top: 10px;
  font-size: 22px;
  font-weight: 600;
  text-shadow: 0 0 8px #ff0066;
}

.footer-tagline {
  margin-top: 8px;
  font-size: 15px;
  color: #ccc;
}

.footer-social {
  margin: 18px 0;
}

.footer-social a span {
  font-size: 28px;
  margin: 0 10px;
  display: inline-block;
  transition: 0.3s ease;
  filter: drop-shadow(0 0 4px #ff0066);
}

.footer-social a span:hover {
  transform: scale(1.2);
}

.footer-copy {
  font-size: 14px;
  color: #aaa;
  margin-top: 20px;
}