/* =========================
   Base layout & typography
   ========================= */

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  height: 100vh;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

h1 {
  font-size: 4rem; /* bigger */
  text-align: center;
}

h2 {
  font-size: 2rem; /* slightly smaller */
  text-align: center;
}

p {
  opacity: 0.9;
  font-size: 1.1rem;
}

h5 {
  margin-top: 1rem;
  font-weight: normal;
  opacity: 0.7;
}


/* =========================
   Main content
   ========================= */

main {
  text-align: center;
}


/* =========================
   Images
   ========================= */

main img {
  margin-top: 1rem;
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);

  cursor: pointer;
  transition: transform 0.2s ease;
}

main img:hover {
  transform: scale(1.05);
}


/* =========================
   Popup (modal)
   ========================= */

.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);

  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.hidden {
  display: none;
}

.popup-content {
  background: rgba(0, 0, 0, 0.85);
  padding: 1.5rem 2rem;
  border-radius: 12px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  position: relative;
}

.close-btn {
  position: absolute;
  top: 10px;
  right: 12px;
  background: none;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
}


/* =========================
   Easter egg
   ========================= */

.easter-egg {
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.easter-egg:hover {
  opacity: 1;
}

.popup-logo {
  margin: 1rem 0;
  max-width: 150px;
  width: 100%;
  height: auto;
}

hr {
  width: 60%;               /* length of the line */
  margin: 2rem auto;        /* spacing above/below, centered */
  border: 0;                /* remove default border */
  height: 2px;              /* thickness */
  background: rgba(255,255,255,0.5);  /* color (semi-transparent white) */
  border-radius: 1px;       /* optional rounded ends */
}