/* Mars Quiz - Mission Control Aesthetic */

:root {
  /* Colors */
  --space-dark: #0a0e27;
  --space-darker: #050812;
  --space-blue: #1a1f3a;
  --mars-red: #c1440e;
  --mars-orange: #e8673e;
  --mars-rust: #d4572a;
  --tech-cyan: #00d9ff;
  --tech-blue: #0099cc;
  --astro-green: #339966;
  --warning-yellow: #ffb347;
  --text-bright: #ffffff;
  --text-dim: #a0a8c0;

  /* Fonts */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--space-dark);
  color: var(--text-bright);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ============================================
   STARFIELD ANIMATION
   ============================================ */

.stars-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.stars, .stars2, .stars3 {
  position: absolute;
  width: 100%;
  height: 100%;
  background: transparent;
}

.stars {
  background-image:
    radial-gradient(2px 2px at 20px 30px, #eee, transparent),
    radial-gradient(2px 2px at 60px 70px, #fff, transparent),
    radial-gradient(1px 1px at 50px 50px, #ddd, transparent),
    radial-gradient(1px 1px at 130px 80px, #fff, transparent),
    radial-gradient(2px 2px at 90px 10px, #fff, transparent);
  background-repeat: repeat;
  background-size: 200px 200px;
  animation: twinkle 3s ease-in-out infinite;
  opacity: 0.8;
}

.stars2 {
  background-image:
    radial-gradient(1px 1px at 100px 120px, #fff, transparent),
    radial-gradient(1px 1px at 50px 150px, #ddd, transparent),
    radial-gradient(1px 1px at 170px 80px, #fff, transparent);
  background-repeat: repeat;
  background-size: 250px 250px;
  animation: twinkle 4s ease-in-out infinite;
  opacity: 0.6;
}

.stars3 {
  background-image:
    radial-gradient(1px 1px at 80px 90px, var(--tech-cyan), transparent),
    radial-gradient(1px 1px at 140px 50px, var(--tech-cyan), transparent);
  background-repeat: repeat;
  background-size: 300px 300px;
  animation: twinkle 5s ease-in-out infinite;
  opacity: 0.4;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0.4; }
}

/* Mars planet decoration */
.mars-planet {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--mars-orange), var(--mars-red), var(--mars-rust));
  bottom: -200px;
  right: -200px;
  z-index: 1;
  opacity: 0.3;
  filter: blur(40px);
  animation: planet-pulse 8s ease-in-out infinite;
}

@keyframes planet-pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.1); opacity: 0.4; }
}

/* ============================================
   LANDING PAGE LAYOUT
   ============================================ */

.landing-container {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.logo-container {
  padding: 10px 20px;
}

.logo {
  height: 80px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

/* Language selector in header */
.language-selector-header {
  display: flex;
  gap: 10px;
}

.lang-btn-quiz {
  padding: 10px 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: var(--text-dim);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  border-radius: 10px;
  transition: all 0.3s ease;
  font-family: var(--font-display);
  letter-spacing: 1px;
}

.lang-btn-quiz:hover {
  border-color: var(--tech-cyan);
  background-color: rgba(0, 217, 255, 0.1);
  color: var(--tech-cyan);
  transform: translateY(-2px);
}

.lang-btn-quiz.active {
  background: linear-gradient(135deg, var(--tech-cyan), var(--tech-blue));
  color: var(--space-dark);
  border-color: var(--tech-cyan);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
  font-weight: 900;
}

/* ============================================
   TITLE SECTION
   ============================================ */

.landing-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.title-section {
  text-align: center;
  margin-bottom: 60px;
  animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.main-title {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 20px;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.title-line-1 {
  font-size: clamp(48px, 10vw, 100px);
  color: var(--text-bright);
  text-shadow:
    0 0 20px var(--tech-cyan),
    0 0 40px var(--tech-cyan),
    0 0 60px var(--tech-blue);
  letter-spacing: 8px;
  animation: glow 2s ease-in-out infinite alternate;
}

.title-line-2 {
  font-size: clamp(36px, 8vw, 80px);
  background: linear-gradient(135deg, var(--mars-orange), var(--mars-red), var(--warning-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 12px;
}

@keyframes glow {
  from {
    text-shadow:
      0 0 20px var(--tech-cyan),
      0 0 40px var(--tech-cyan),
      0 0 60px var(--tech-blue);
  }
  to {
    text-shadow:
      0 0 30px var(--tech-cyan),
      0 0 60px var(--tech-cyan),
      0 0 80px var(--tech-blue);
  }
}

.subtitle {
  font-size: clamp(16px, 3vw, 24px);
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 1px;
}

/* ============================================
   MISSION CARDS
   ============================================ */

.mission-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.mission-card {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.8), rgba(10, 14, 39, 0.9));
  backdrop-filter: blur(20px);
  border: 2px solid;
  border-radius: 20px;
  padding: 40px 30px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.mission-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.mission-card:hover::before {
  opacity: 1;
  animation: scan 2s linear infinite;
}

@keyframes scan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.mini-card {
  border-color: var(--astro-green);
  color: var(--astro-green);
}

.maxi-card {
  border-color: var(--mars-orange);
  color: var(--mars-orange);
}

/* Radar effect */
.card-radar {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
}

.radar-ring {
  position: absolute;
  border: 2px solid currentColor;
  border-radius: 50%;
  width: 100%;
  height: 100%;
  animation: radar-pulse 2s ease-out infinite;
  opacity: 0;
}

.radar-ring:nth-child(2) {
  animation-delay: 1s;
}

.radar-ping {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: currentColor;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px currentColor;
  animation: ping 2s ease-in-out infinite;
}

@keyframes radar-pulse {
  0% {
    transform: scale(0.5);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

@keyframes ping {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.card-content {
  position: relative;
  z-index: 2;
}

.mission-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 3px solid currentColor;
  border-radius: 50%;
  transition: all 0.4s ease;
}

.mission-card:hover .mission-icon {
  transform: rotate(360deg);
  box-shadow: 0 0 30px currentColor;
}

.mission-icon svg {
  width: 40px;
  height: 40px;
  color: currentColor;
}

.mission-name {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 900;
  letter-spacing: 4px;
  text-align: center;
  margin-bottom: 30px;
  color: var(--text-bright);
}

.mission-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-bottom: 30px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-bright);
}

.mission-btn {
  width: 100%;
  padding: 20px 30px;
  background: linear-gradient(135deg, currentColor, currentColor);
  border: 3px solid var(--warning-yellow);
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 3px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  box-shadow: 0 8px 30px currentColor, 0 0 40px rgba(255, 179, 71, 0.4);
}

.mission-btn * {
  color: var(--text-bright) !important;
}

.mission-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.mission-btn:hover::before {
  left: 100%;
}

.mission-btn:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 12px 40px currentColor, 0 0 60px rgba(255, 179, 71, 0.6);
  border-color: var(--text-bright);
}

.mission-btn:active {
  transform: translateY(-1px);
}

.btn-arrow {
  font-size: 24px;
  transition: transform 0.3s ease;
}

.mission-btn:hover .btn-arrow {
  transform: translateX(5px);
}

/* ============================================
   BACK LINK
   ============================================ */

.back-link {
  text-align: center;
  animation: fadeInUp 1s ease-out 0.9s both;
}

.back-btn {
  display: inline-block;
  padding: 15px 30px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: all 0.3s ease;
}

.back-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--tech-cyan);
  color: var(--tech-cyan);
  transform: translateX(-5px);
}

/* ============================================
   QUIZ PAGE STYLES
   ============================================ */

.quiz-page {
  padding: 20px;
}

.quiz-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.quiz-header-bar {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.9), rgba(10, 14, 39, 0.95));
  backdrop-filter: blur(20px);
  border: 2px solid var(--tech-cyan);
  border-radius: 20px;
  padding: 30px;
  margin-bottom: 30px;
  animation: slideDown 0.8s ease-out;
}

.quiz-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 15px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.language-selector-quiz {
  display: flex;
  gap: 8px;
}

.quiz-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 36px);
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--text-bright);
  text-transform: uppercase;
}

.quiz-difficulty {
  padding: 8px 20px;
  background: var(--mars-orange);
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--space-dark);
}

.name-input-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.name-label {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.name-input {
  padding: 15px 20px;
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: var(--text-bright);
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.name-input:focus {
  outline: none;
  border-color: var(--tech-cyan);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
  background: rgba(0, 0, 0, 0.5);
}

.progress-bar-container {
  margin-top: 20px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.progress-bar {
  height: 12px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 50px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--astro-green), var(--tech-cyan));
  border-radius: 50px;
  transition: width 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 0 10px var(--tech-cyan);
}

/* Question card */
.question-card {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.9), rgba(10, 14, 39, 0.95));
  backdrop-filter: blur(20px);
  border: 2px solid var(--mars-orange);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 30px;
  animation: fadeInUp 0.6s ease-out;
}

.question-number {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--mars-orange);
  letter-spacing: 2px;
  margin-bottom: 15px;
}

.question-text {
  font-family: var(--font-body);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.5;
  margin-bottom: 30px;
}

.options-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.option-btn {
  padding: 20px 25px;
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: var(--text-bright);
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.option-btn::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 4px;
  background: var(--tech-cyan);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.option-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--tech-cyan);
  transform: translateX(10px);
}

.option-btn:hover::before {
  transform: scaleY(1);
}

.option-btn.selected {
  background: linear-gradient(135deg, var(--tech-cyan), var(--tech-blue));
  border-color: var(--tech-cyan);
  color: var(--space-dark);
  font-weight: 700;
  transform: translateX(10px);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
}

.option-btn.selected::before {
  background: var(--warning-yellow);
  transform: scaleY(1);
}

/* Review state: shown after the quiz is submitted */
.question-card.reviewed .option-btn {
  cursor: default;
}

.question-card.reviewed .option-btn:hover {
  transform: none;
}

.question-card.reviewed .option-btn:not(.correct):not(.incorrect):hover {
  background: rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.2);
}

.question-card.reviewed .option-btn:not(.correct):not(.incorrect):hover::before {
  transform: scaleY(0);
}

.question-card.reviewed .option-btn:not(.correct):not(.incorrect) {
  opacity: 0.55;
}

.option-btn.correct {
  background: linear-gradient(135deg, var(--astro-green), #1f5f3f);
  border-color: var(--astro-green);
  color: var(--text-bright);
  font-weight: 700;
  padding-right: 60px;
  box-shadow: 0 0 30px rgba(51, 153, 102, 0.5);
}

.option-btn.correct::before {
  background: var(--astro-green);
  transform: scaleY(1);
}

.option-btn.correct::after {
  content: '✓';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 26px;
  font-weight: 900;
  color: var(--text-bright);
}

.option-btn.incorrect {
  background: linear-gradient(135deg, var(--mars-red), #6b1f06);
  border-color: var(--mars-red);
  color: var(--text-bright);
  font-weight: 700;
  padding-right: 60px;
  box-shadow: 0 0 30px rgba(193, 68, 14, 0.5);
}

.option-btn.incorrect::before {
  background: var(--mars-red);
  transform: scaleY(1);
}

.option-btn.incorrect::after {
  content: '✗';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 26px;
  font-weight: 900;
  color: var(--text-bright);
}

/* Submit button */
.submit-container {
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.submit-btn {
  padding: 20px 60px;
  background: linear-gradient(135deg, var(--mars-red), var(--mars-orange));
  border: 3px solid var(--warning-yellow);
  border-radius: 12px;
  color: var(--text-bright);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 5px 30px rgba(232, 103, 62, 0.5);
  text-transform: uppercase;
}

.submit-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(232, 103, 62, 0.7);
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.submit-hint {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--mars-orange);
  margin: 0;
  padding: 12px 20px;
  background: rgba(232, 103, 62, 0.1);
  border-radius: 8px;
  border: 2px solid rgba(232, 103, 62, 0.3);
  transition: all 0.3s ease;
}

.submit-hint.ready {
  color: var(--astro-green);
  background: rgba(51, 153, 102, 0.1);
  border-color: rgba(51, 153, 102, 0.3);
}

/* ============================================
   RESULTS PAGE STYLES
   ============================================ */

.results-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
  position: relative;
  z-index: 10;
  text-align: center;
}

.results-badge {
  width: 200px;
  height: 200px;
  margin: 0 auto 40px;
  position: relative;
  animation: zoomIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.5) rotate(-180deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

.results-badge-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mars-red), var(--mars-orange));
  border: 5px solid var(--warning-yellow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 40px rgba(232, 103, 62, 0.6),
    inset 0 0 30px rgba(0, 0, 0, 0.3);
  position: relative;
}

.results-badge-circle::before {
  content: '';
  position: absolute;
  inset: 20px;
  border: 2px dashed rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.results-score {
  font-family: var(--font-display);
  font-size: 60px;
  font-weight: 900;
  color: var(--text-bright);
  line-height: 1;
  z-index: 1;
}

.results-total {
  font-family: var(--font-display);
  font-size: 24px;
  color: rgba(255, 255, 255, 0.8);
  z-index: 1;
}

.results-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 900;
  letter-spacing: 4px;
  margin-bottom: 20px;
  color: var(--text-bright);
  text-transform: uppercase;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.results-message {
  font-family: var(--font-body);
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 40px;
  line-height: 1.6;
  animation: fadeInUp 1s ease-out 0.5s both;
}

.results-name {
  color: var(--tech-cyan);
  font-weight: 700;
}

.results-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.7s both;
}

.results-btn {
  padding: 18px 40px;
  border: 3px solid;
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-transform: uppercase;
}

.btn-primary {
  background: linear-gradient(135deg, var(--mars-red), var(--mars-orange));
  border-color: var(--warning-yellow);
  color: var(--text-bright);
  box-shadow: 0 5px 20px rgba(232, 103, 62, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(232, 103, 62, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--tech-cyan);
  color: var(--tech-cyan);
}

.btn-secondary:hover {
  background: rgba(0, 217, 255, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 217, 255, 0.4);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .quiz-header {
    flex-direction: column;
    gap: 15px;
    align-items: center;
  }

  .logo-container {
    text-align: center;
  }

  .logo {
    height: 60px;
  }

  .language-selector-header {
    gap: 8px;
  }

  .lang-btn-quiz {
    padding: 8px 16px;
    font-size: 12px;
  }

  .mission-cards {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .quiz-header-bar {
    padding: 20px;
  }

  .quiz-title-row {
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
  }

  .language-selector-quiz {
    flex-wrap: wrap;
  }

  .question-card {
    padding: 25px;
  }

  .option-btn {
    padding: 15px 20px;
    font-size: 16px;
  }

  .results-actions {
    flex-direction: column;
  }

  .results-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .logo {
    height: 40px;
  }

  .badge-name {
    font-size: 14px;
  }

  .mission-card {
    padding: 30px 20px;
  }

  .mission-stats {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .quiz-header-bar {
    padding: 15px;
  }

  .question-card {
    padding: 20px;
  }

  .submit-btn {
    padding: 15px 40px;
    font-size: 16px;
  }
}