body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #fff;
  overflow-x: hidden;
}

/* 🔥 FIXED TITLE */
.title {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;

  padding: 10px 25px;
  font-size: 42px;
  letter-spacing: 2px;

  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  border-radius: 10px;
}

/* 🌄 FULL SCREEN BACKGROUND */
.hero {
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

/* FIXED IMAGE LAYER */
.hero::before {
  content: "";
  position: fixed;
  inset: 0;

  background: url('images/powitanie.png') no-repeat center center;
  background-size: cover;

  z-index: -2;
}

/* 📦 PANEL NA PRAWO */
.panel {
  position: absolute;
  right: 0;
  top: 0;

  width: 35%;
  height: 100%;

  padding: 100px 30px;
  overflow-y: auto;

  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(12px);
}

/* SEKCJE */
section {
  margin-bottom: 40px;
}

/* KALENDARZ */
#calendar {
  background: #fff;
  color: #000;
  padding: 10px;
  border-radius: 10px;
}

/* MODAL */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 9999;
}

.modal-content {
  position: relative;
  margin: 5% auto;
  width: 90%;
  max-width: 800px;
  background: #000;
  padding: 10px;
  border-radius: 10px;
}

.modal iframe {
  width: 100%;
  height: 600px;
  border: none;
}

.close {
  position: absolute;
  right: 15px;
  top: 10px;
  font-size: 30px;
  cursor: pointer;
}