* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #FFFAFA;
  color: #222;
  line-height: 1.6;
}

header {
  background: #ff914d;
  color: white;
  padding: 40px 20px;
  text-align: center;
}
.header-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.logo {
  width: 95px;
  height: 95px;
  border-radius: 50%;
  object-fit: cover;
  background: white;
  padding: 2px;
  animation: fadeUp 0.8s ease forwards;

}

header h1 {
  font-size: 2.2rem;
}

header p {
  margin-top: 10px;
  font-size: 1.1rem;
}

main {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
}
/* Controls */
.controls {
  display: flex;
  gap: 15px;
  margin-bottom: 35px;
  flex-wrap: wrap;
}

.controls input,
.controls select {
  padding: 12px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  width: 260px;
}

.controls input:focus,
.controls select:focus {
  outline: none;
  border-color: #ff914d;
}

section {
  margin-bottom: 50px;
}

section h2 {
  color: #ff914d;
  margin-bottom: 20px;
  font-size: 1.6rem;
}

.paper-card {
  border: 1px solid #dad9d9;
  border-left: 5px solid #ff914d;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 6px;
  background: #fff;
  transition: 
    box-shadow 0.3s ease,
    transform 0.25s ease,
    border-left-color 0.3s ease;
}


.paper-card h3 {
  margin-bottom: 8px;
}

.paper-card p {
  margin-bottom: 12px;
  color: #555;
}

.paper-card a {
  text-decoration: none;
  color: white;
  background: #ff914d;
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 0.9rem;
}

.paper-card a:hover {
  opacity: 0.9;
}
.paper-card:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
  border-left-color: #ff7a2f;
}

footer {
  text-align: center;
  padding: 20px;
  background: #f8f8f8;
  font-size: 0.9rem;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

header h1,
header p {
  animation: fadeUp 0.9s ease forwards;
}

header p {
  animation-delay: 0.3s;
}
header {
  position: relative;
  overflow: hidden;
}
header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,\
  <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'>\
  <circle cx='20' cy='25' r='10' fill='white' opacity='0.12'/>\
  <circle cx='80' cy='35' r='15' fill='white' opacity='0.10'/>\
  <circle cx='45' cy='75' r='8' fill='white' opacity='0.14'/>\
  </svg>");
  background-repeat: repeat;
  background-size: 180px 180px;
  animation: float 14s ease-in-out infinite;
  z-index: 1;
}


@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}