* {
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  margin: 0;
  background: #bfbfbf;
  text-align: center;
}

/* TOP BAR */
.top-bar {
  background: #b3b3b3;
  color: white;
  padding: 34px 16px;
  font-size: 2rem;          /* BIGGER */
  font-weight: 700;         /* BOLDER */
  letter-spacing: 8px;      /* Airport spacing */
  text-transform: uppercase;
}

/* HERO STRIP */
.hero-strip {
  position: relative;
  height: 260px;
  overflow: hidden;
}

.hero-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-plane {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
  color: white;
  opacity: 0.9;
}

.plane-svg {
  width: 160px;
  height: 160px;
  opacity: 0.95;
  animation: planeIdle 4s ease-in-out infinite;
}

@keyframes planeIdle {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(2deg);
  }
  100% {
    transform: translateY(0) rotate(0deg);
  }
}


/* PROGRESS */
.progress-section {
  padding: 40px 20px;
}

.progress-section h3 {
  letter-spacing: 4px;
  margin-bottom: 20px;
}

.progress-bar {
  width: 80%;
  max-width: 600px;
  height: 18px;
  margin: 0 auto 20px;
  background: repeating-linear-gradient(
    45deg,
    #222,
    #222 6px,
    #eee 6px,
    #eee 12px
  );
  border-radius: 10px;
  overflow: hidden;
}

#progress-fill {
  height: 100%;
  width: 0%;
  background: gold;
  transition: width 0.6s ease;
}

#progress-text {
  letter-spacing: 3px;
}

/* ACHIEVEMENT */
.achievement {
  background: #e7ef3a;
  margin: 30px auto;
  padding: 30px;
  width: 80%;
  max-width: 600px;
  border-radius: 6px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
  font-size: 1.2rem;
}

/* RUNWAY ANIMATION */
.runway {
  position: relative;
  height: 60px;
  overflow: hidden;
}

.trail {
  position: absolute;
  top: 50%;
  left: 0;
  height: 4px;
  background: gold;
  animation: trailMove 6s linear infinite;
}

.plane {
  position: absolute;
  top: 50%;
  font-size: 28px;
  transform: translateY(-50%);
  animation: planeMove 6s linear infinite;
}

@keyframes planeMove {
  from { left: -40px; }
  to { left: 100%; }
}

@keyframes trailMove {
  from { width: 0; }
  to { width: 100%; }
}