/* ================================
   THEME VARIABLES – HAPPY NEW YEAR 2026
================================ */
:root {
  --primary-color: #ff2d2d;       /* Red Fire */
  --secondary-color: #ff9f1c;     /* Gold Orange */
  --accent-color: #ffd700;        /* Gold */
  --background-color: #120000;    /* Dark Red Night */
  --panel-bg: rgba(40, 0, 0, 0.88);
  --text-color: #fff5e1;
  --muted-text: #ffd6a0;
  --shadow: 0 15px 35px rgba(0, 0, 0, 0.75);
  --border-radius: 16px;
  --transition: all 0.4s ease;
  --glow: 0 0 15px rgba(255, 215, 0, 0.75);

  --hero-img: url('https://images.unsplash.com/photo-1549057446-9f5c6ac91a04');
}

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

/* ================================
   BODY
================================ */
body {
  font-family: 'Poppins', sans-serif;
  background:
    radial-gradient(circle at top, rgba(255, 215, 0, 0.15), transparent 60%),
    linear-gradient(rgba(10, 0, 0, 0.85), rgba(20, 0, 0, 0.95)),
    url('https://img.zing.vn/products/jx1/skin-2015/images/home/bg_header_800.jpg')
    center / cover no-repeat fixed;
  color: var(--text-color);
  line-height: 1.7;
  font-size: 16px;
  padding-top: 75px;
}

/* ================================
   HEADER + NAVBAR
================================ */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(40, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  z-index: 1000;
}

.menu-icon {
  display: none;
  font-size: 2.4rem;
  color: var(--accent-color);
  padding: 14px 22px;
  cursor: pointer;
  transition: var(--transition);
}

.menu-icon:hover {
  color: #ffffff;
  text-shadow: var(--glow);
}

.navbar {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  gap: 8px;
}

.navbar a {
  color: var(--accent-color);
  text-decoration: none;
  padding: 0.7rem 1.6rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.navbar a:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #3b0000;
  box-shadow: var(--glow);
  transform: translateY(-3px);
}

/* ================================
   HERO – HAPPY NEW YEAR
================================ */
.hero {
  text-align: center;
  padding: 6rem 2rem;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  background:
    linear-gradient(rgba(0, 0, 0, 0.6), rgba(40, 0, 0, 0.85)),
    var(--hero-img) center / cover no-repeat;

  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 3rem;
}

.hero h1 {
  font-family: 'Cinzel', serif;
  font-size: 3.6rem;
  color: var(--accent-color);
  text-shadow:
    0 0 15px rgba(255, 215, 0, 0.6),
    0 0 35px rgba(255, 0, 0, 0.45);
  margin-bottom: 1rem;
}

.hero h1::after {
  content: " ✨ 2026 ✨";
  display: block;
  font-size: 2.2rem;
  margin-top: 0.5rem;
}

.hero p {
  font-size: 1.3rem;
  max-width: 900px;
  color: var(--muted-text);
  margin-bottom: 2.8rem;
}

.cta-button {
  padding: 0.9rem 2.2rem;
  background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
  color: #3b0000;
  font-weight: 700;
  border-radius: var(--border-radius);
  text-decoration: none;
  box-shadow: var(--glow);
  transition: var(--transition);
}

.cta-button:hover {
  transform: scale(1.12);
  background: linear-gradient(135deg, #fff1a8, var(--accent-color));
}

/* ================================
   MAIN CONTENT
================================ */
.container {
  max-width: 1400px;
  margin: 2rem auto;
  padding: 3rem;
  background: var(--panel-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

h1, h2, h3, h4 {
  font-family: 'Cinzel', serif;
  color: var(--accent-color);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.45);
}

p {
  color: var(--muted-text);
  margin-bottom: 1.1rem;
}

/* ================================
   TABLE
================================ */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2.2rem 0;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  overflow: hidden;
}

th, td {
  padding: 0.85rem;
  border: 1px solid rgba(255, 215, 0, 0.25);
  text-align: center;
}

th {
  background: linear-gradient(135deg, #b30000, #ffb700);
  color: #fff;
  text-transform: uppercase;
}

tr:hover {
  background: rgba(255, 215, 0, 0.18);
}

/* ================================
   GALLERY
================================ */
.gallery img {
  width: 100%;
  border-radius: 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  animation: fadeIn 1.2s forwards;
}

.gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.65);
}

/* ================================
   FOOTER
================================ */
footer {
  background: rgba(30, 0, 0, 0.95);
  padding: 2rem;
  text-align: center;
  color: var(--muted-text);
}

.footer-links a {
  margin: 0 1rem;
  color: var(--accent-color);
  transition: var(--transition);
}

.footer-links a:hover {
  color: #ffffff;
  text-shadow: var(--glow);
}

/* ================================
   EFFECT
================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(1.05);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ================================
   RESPONSIVE
================================ */
@media (max-width: 768px) {
  .menu-icon { display: block; }
  .navbar { display: none; flex-direction: column; }
  .navbar.show { display: flex; }
  .hero h1 { font-size: 2.4rem; }
  .container { padding: 2rem; }
}
/* ================================
   FIREWORK CANVAS
================================ */
#fireworks {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: screen;
}