@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;600;700&display=swap');

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

:root {
  --gunmetal: #1a1d23;
  --deep-black: #0a0c0f;
  --tactical-yellow: #f4c430;
  --tactical-red: #e63946;
  --crisp-white: #f8f9fa;
  --steel-grey: #495057;
  --hover-grey: #2a2f36;
}

body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--deep-black);
  color: var(--crisp-white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Disclaimer */
.disclaimer {
  background: var(--tactical-red);
  color: var(--crisp-white);
  text-align: center;
  padding: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  border-bottom: 2px solid var(--tactical-yellow);
}

/* Navigation */
nav {
  background: var(--gunmetal);
  border-bottom: 3px solid var(--tactical-yellow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.nav-logo {
  height: 60px;
  padding: 10px 0;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0;
}

.nav-links a {
  display: block;
  padding: 20px 25px;
  color: var(--crisp-white);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--tactical-yellow);
  color: var(--deep-black);
}

/* Hero Section */
.hero {
  position: relative;
  height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 4px solid var(--tactical-yellow);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(10, 12, 15, 0.7), rgba(10, 12, 15, 0.9));
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 20px;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 20px;
  text-shadow: 0 0 20px rgba(244, 196, 48, 0.5);
}

.hero p {
  font-size: 1.3rem;
  letter-spacing: 2px;
  color: var(--tactical-yellow);
  font-weight: 600;
}

/* Main Content */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 20px;
}

.content-section {
  background: var(--gunmetal);
  border: 2px solid var(--steel-grey);
  padding: 40px;
  margin-bottom: 30px;
  position: relative;
}

.content-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--tactical-yellow);
}

.content-section h2 {
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 25px;
  color: var(--tactical-yellow);
}

.content-section h3 {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 30px 0 15px;
  color: var(--crisp-white);
}

.content-section p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 15px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 18px 45px;
  background: var(--tactical-yellow);
  color: var(--deep-black);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 0 20px rgba(244, 196, 48, 0.3);
}

.btn:hover {
  background: var(--crisp-white);
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(244, 196, 48, 0.6);
}

.btn-container {
  display: flex;
  gap: 30px;
  margin: 40px 0;
  flex-wrap: wrap;
}

/* Table */
.roster-table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0;
  background: var(--deep-black);
}

.roster-table thead {
  background: var(--tactical-yellow);
  color: var(--deep-black);
}

.roster-table th {
  padding: 18px;
  text-align: left;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.roster-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--steel-grey);
}

.roster-table tr:hover {
  background: var(--hover-grey);
}

.license-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--tactical-red);
  color: var(--crisp-white);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 2px;
}

/* Footer */
footer {
  background: var(--gunmetal);
  border-top: 3px solid var(--tactical-yellow);
  padding: 30px 20px;
  text-align: center;
}

.footer-disclaimer {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--tactical-red);
  margin-bottom: 15px;
}

.footer-info {
  font-size: 0.85rem;
  color: var(--steel-grey);
}

/* Exam Styles */
.exam-container {
  max-width: 900px;
  margin: 0 auto;
}

.exam-header {
  background: var(--tactical-yellow);
  color: var(--deep-black);
  padding: 25px;
  text-align: center;
  margin-bottom: 30px;
  border: 3px solid var(--tactical-yellow);
}

.exam-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.exam-progress {
  display: flex;
  justify-content: space-between;
  background: var(--gunmetal);
  padding: 20px;
  margin-bottom: 30px;
  border: 2px solid var(--steel-grey);
}

.progress-item {
  text-align: center;
}

.progress-label {
  font-size: 0.9rem;
  color: var(--steel-grey);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.progress-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--tactical-yellow);
  margin-top: 5px;
}

.question-card {
  background: var(--gunmetal);
  border: 2px solid var(--steel-grey);
  padding: 30px;
  margin-bottom: 30px;
  border-left: 4px solid var(--tactical-yellow);
}

.question-number {
  color: var(--tactical-yellow);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 15px;
}

.question-text {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 25px;
  line-height: 1.6;
}

.answers {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.answer-btn {
  background: var(--deep-black);
  border: 2px solid var(--steel-grey);
  color: var(--crisp-white);
  padding: 18px 25px;
  text-align: left;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
}

.answer-btn:hover:not(:disabled) {
  background: var(--hover-grey);
  border-color: var(--tactical-yellow);
}

.answer-btn:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.answer-btn.correct {
  background: #2d5016;
  border-color: #4caf50;
  color: #4caf50;
}

.answer-btn.incorrect {
  background: #5c1a1a;
  border-color: var(--tactical-red);
  color: var(--tactical-red);
}

.explanation {
  background: var(--deep-black);
  border: 2px solid var(--tactical-yellow);
  padding: 20px;
  margin-top: 20px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--tactical-yellow);
}

.next-btn {
  width: 100%;
  margin-top: 20px;
}

.result-screen {
  background: var(--gunmetal);
  border: 4px solid var(--tactical-yellow);
  padding: 60px 40px;
  text-align: center;
  margin: 40px 0;
}

.result-screen.pass {
  border-color: #4caf50;
}

.result-screen.fail {
  border-color: var(--tactical-red);
}

.result-status {
  font-size: 5rem;
  font-weight: 700;
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.result-screen.pass .result-status {
  color: #4caf50;
  text-shadow: 0 0 30px rgba(76, 175, 80, 0.5);
}

.result-screen.fail .result-status {
  color: var(--tactical-red);
  text-shadow: 0 0 30px rgba(230, 57, 70, 0.5);
}

.result-score {
  font-size: 3rem;
  font-weight: 700;
  color: var(--crisp-white);
  margin-bottom: 20px;
}

.result-message {
  font-size: 1.3rem;
  line-height: 1.8;
  margin-bottom: 30px;
}

.form-container {
  background: var(--gunmetal);
  border: 2px solid var(--steel-grey);
  padding: 40px;
  margin: 40px 0;
  border-left: 4px solid var(--tactical-yellow);
}

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

.form-group label {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  color: var(--tactical-yellow);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  background: var(--deep-black);
  border: 2px solid var(--steel-grey);
  color: var(--crisp-white);
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--tactical-yellow);
}

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

.hidden {
  display: none;
}

.loading-spinner {
  text-align: center;
  padding: 40px;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--steel-grey);
  border-top-color: var(--tactical-yellow);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.success-message {
  background: var(--deep-black);
  border: 3px solid var(--tactical-yellow);
  padding: 40px;
  text-align: center;
  font-size: 1.2rem;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .nav-links {
    flex-direction: column;
    gap: 0;
  }
  
  .nav-links a {
    border-left: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .btn-container {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .roster-table {
    font-size: 0.85rem;
  }
  
  .roster-table th,
  .roster-table td {
    padding: 10px;
  }
}