@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@700&display=swap");

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

body {
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-weight: 700;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.container {
  width: 100%;
  max-width: 1200px;
}

.header {
  text-align: center;
  margin-bottom: 30px;
  color: white;
  text-shadow: 3px 3px 12px rgba(0, 0, 0, 1);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  text-shadow: 4px 4px 15px rgba(0, 0, 0, 1);
}

.header p {
  font-size: 1.1rem;
  opacity: 0.9;
  text-shadow: 3px 3px 12px rgba(0, 0, 0, 1);
}

.converter-form {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: #333;
  font-size: 1rem;
  font-family: "JetBrains Mono", "Courier New", monospace;
}

.dropdown {
  width: 100%;
  padding: 15px;
  border: 2px solid #ddd;
  border-radius: 12px;
  font-size: 1rem;
  background: white;
  cursor: pointer;
  transition: border-color 0.3s ease;
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-weight: 700;
}

.dropdown:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.conversion-area {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 30px;
}

.input-container {
  flex: 1;
}

.input-container label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: #555;
  text-align: center;
  font-size: 0.9rem;
  font-family: "JetBrains Mono", "Courier New", monospace;
}

.input-container input {
  width: 100%;
  padding: 15px;
  border: 2px solid #ddd;
  border-radius: 12px;
  font-size: 1.1rem;
  text-align: center;
  transition: border-color 0.3s ease;
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-weight: 700;
}

.input-container input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.swap-button {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 25px;
}

.swap-button:hover {
  transform: rotate(180deg) scale(1.1);
  box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.conversion-info {
  text-align: center;
  margin-top: 20px;
  padding: 15px;
  background: linear-gradient(135deg, #f8f9ff, #e8eeff);
  border-radius: 10px;
  font-size: 0.9rem;
  color: #666;
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-weight: 700;
}

.footer {
  text-align: center;
  color: white;
  opacity: 0.8;
  margin-top: 30px;
  font-size: 0.9rem;
  text-shadow: 3px 3px 12px rgba(0, 0, 0, 1);
}

/* Calculator intro text */
.calculator-intro {
  text-align: center;
  margin-bottom: 20px;
}

/* Scientific Calculator Styles */
.calculator {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: 25px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
  border: 1.25px solid rgba(255, 255, 255, 0.2);
  width: 100%;
}

.calculator-display {
  margin-bottom: 20px;
}

.calculator-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.calc-btn {
  height: 45px;
  border: none;
  border-radius: 12px;
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.calc-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.calc-btn:active {
  transform: scale(0.95);
}

.calc-btn.number {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  color: #333;
}

.calc-btn.number:hover {
  background: linear-gradient(135deg, #e9ecef, #dee2e6);
}

.calc-btn.operator {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
}

.calc-btn.operator:hover {
  background: linear-gradient(135deg, #5a6fd8, #6a4190);
}

.calc-btn.function {
  background: linear-gradient(135deg, #ffc107, #ff8f00);
  color: #333;
}

.calc-btn.function:hover {
  background: linear-gradient(135deg, #ffb300, #ff6f00);
}

.calc-btn.equals {
  background: linear-gradient(135deg, #28a745, #20c997);
  color: white;
}

.calc-btn.equals:hover {
  background: linear-gradient(135deg, #218838, #1aa179);
}

/* Contact Form Styles */
.contact-section {
  margin-top: 50px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
  border: 1.25px solid rgba(255, 255, 255, 0.2);
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}

.contact-title {
  text-align: center;
  color: #333;
  margin-bottom: 10px;
  font-size: 1.3rem;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
}

.contact-subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 25px;
  font-size: 0.9rem;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-input-group {
  display: flex;
  flex-direction: column;
}

.form-input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: #333;
  font-size: 0.9rem;
  font-family: "JetBrains Mono", monospace;
}

.form-input-group input,
.form-input-group textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  box-sizing: border-box;
  transition: border-color 0.3s ease;
}

.form-input-group input:focus,
.form-input-group textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input-group textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-submit-btn {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 15px 30px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: "JetBrains Mono", monospace;
  width: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.contact-status {
  display: none;
  text-align: center;
  padding: 15px;
  border-radius: 8px;
  margin-top: 15px;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
}

@media (max-width: 600px) {
  .converter-form {
    padding: 30px 25px;
  }

  .header h1 {
    font-size: 2rem;
  }

  .conversion-area {
    flex-direction: column;
    gap: 20px;
  }

  .swap-button {
    transform: rotate(90deg);
    margin-top: 0;
  }

  .swap-button:hover {
    transform: rotate(270deg) scale(1.1);
  }

  .calculator {
    max-width: 100% !important;
  }

  .calc-btn {
    height: 50px !important;
    font-size: 0.9rem !important;
  }
}