/* Phase 4: The Product Experience */

.experience-section {
  padding: 8rem 0;
  background-color: var(--paper);
  position: relative;
  overflow: hidden;
}

.exp-header {
  text-align: center;
  margin-bottom: 4rem;
}

/* Progression Timeline */
.exp-timeline {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.exp-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0.5;
  transition: all 0.3s ease;
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--ink);
}

.exp-step:hover {
  opacity: 0.8;
}

.exp-step.active {
  opacity: 1;
}

.exp-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(20, 17, 15, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  transition: all 0.3s ease;
}

.exp-step.active .exp-step-num {
  background: var(--red);
  color: #fff;
}

.exp-step.completed .exp-step-num {
  background: var(--ink);
  color: #fff;
}

.exp-step-label {
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.exp-play-btn {
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: 40px;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.exp-play-btn:hover {
  background: var(--red);
}

.exp-play-btn .icon-pause { display: none; }
.exp-play-btn.playing .icon-play { display: none; }
.exp-play-btn.playing .icon-pause { display: inline-block; }

/* The Main UI Container */
.exp-container {
  max-width: 1000px;
  margin: 0 auto;
  aspect-ratio: 16/9;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(20, 17, 15, 0.08);
}

/* Base UI Layer (Exam) */
.exp-layer-exam {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.state-submit .exp-layer-exam {
  filter: blur(4px) brightness(0.9);
  transform: scale(0.98);
}

.state-result .exp-layer-exam,
.state-analysis .exp-layer-exam {
  opacity: 0;
  visibility: hidden;
  transform: scale(0.95);
}

.exp-exam-header {
  height: 60px;
  background: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.exp-exam-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.exp-exam-timer {
  font-family: 'Space Mono', monospace;
  font-size: 1.25rem;
  color: var(--red);
  font-weight: 700;
}

.exp-exam-body {
  display: flex;
  flex: 1;
}

.exp-exam-main {
  flex: 1;
  padding: 3rem;
  border-right: 1px solid rgba(20, 17, 15, 0.05);
  position: relative;
}

.exp-exam-qmeta {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.exp-exam-qtext {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 3rem;
  max-width: 80%;
  line-height: 1.4;
}

.exp-exam-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 60%;
}

.exp-exam-opt {
  padding: 1.25rem;
  border: 2px solid rgba(20, 17, 15, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.125rem;
  transition: all 0.3s ease;
}

.exp-exam-opt.active {
  border-color: var(--green);
  background: rgba(21, 115, 71, 0.05);
}

.exp-exam-opt-circle {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(20, 17, 15, 0.2);
}

.exp-exam-opt.active .exp-exam-opt-circle {
  background: var(--green);
  border-color: var(--green);
}

.exp-exam-sidebar {
  width: 280px;
  background: var(--surface);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.exp-palette-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.exp-palette-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.exp-palette-cell {
  aspect-ratio: 1;
  background: #fff;
  border: 1px solid rgba(20, 17, 15, 0.1);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Mono', monospace;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.exp-palette-cell.answered {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.exp-palette-cell.marked {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}
.exp-palette-cell.active-q {
  border-color: var(--red);
  border-width: 2px;
}

.exp-exam-footer {
  margin-top: auto;
  display: flex;
  gap: 1rem;
}

.exp-btn {
  padding: 1rem;
  border: none;
  border-radius: 4px;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  flex: 1;
  background: rgba(20, 17, 15, 0.05);
  color: var(--ink);
}

.exp-btn-primary {
  background: var(--green);
  color: #fff;
}

.exp-btn-submit {
  background: var(--red);
  color: #fff;
}


/* Cursor Animation in Exam State */
.exp-cursor {
  position: absolute;
  width: 24px;
  height: 24px;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M7 2l12 11.2-5.8.5 3.3 7.3-2.2.9-3.2-7.4-4.4 4.5z" fill="%2314110f"/></svg>');
  z-index: 100;
  top: 60%;
  left: 50%;
  opacity: 0;
  transition: opacity 0.3s;
}

.state-exam .exp-cursor {
  animation: cursorMove 4s infinite;
}

@keyframes cursorMove {
  0% { transform: translate(0, 0); opacity: 0; }
  10% { opacity: 1; }
  30% { transform: translate(-100px, -80px); } /* Move to Option C */
  40% { transform: translate(-100px, -80px) scale(0.9); } /* Click */
  45% { transform: translate(-100px, -80px) scale(1); }
  60% { transform: translate(300px, 150px); } /* Move to Next btn */
  70% { transform: translate(300px, 150px) scale(0.9); } /* Click */
  75% { transform: translate(300px, 150px) scale(1); }
  90% { opacity: 1; }
  100% { transform: translate(350px, 200px); opacity: 0; }
}


/* Modal Layer (Submit) */
.exp-layer-modal {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10;
}

.state-submit .exp-layer-modal {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.exp-modal {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 3rem;
  text-align: center;
  max-width: 400px;
}

.exp-modal h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.exp-modal p {
  color: var(--ink-soft);
  margin-bottom: 2rem;
}
.exp-modal-actions {
  display: flex;
  gap: 1rem;
}


/* Result Layer */
.exp-layer-result {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: var(--surface);
  opacity: 0;
  visibility: hidden;
  transform: translateY(40px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

.state-result .exp-layer-result {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.exp-result-content {
  text-align: center;
}

.exp-result-score {
  font-family: var(--font-display);
  font-size: 8rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 1rem;
}

.exp-result-score span {
  font-size: 3rem;
  color: var(--gray);
}

.exp-result-meta {
  font-family: 'Space Mono', monospace;
  font-size: 1.125rem;
  color: var(--ink-soft);
  display: flex;
  gap: 2rem;
  justify-content: center;
}


/* Analysis Layer */
.exp-layer-analysis {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: #fff;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.05);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 4rem;
  box-sizing: border-box;
  z-index: 30;
  display: flex;
  flex-direction: column;
}

.state-analysis .exp-layer-analysis {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.exp-analysis-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
  border-bottom: 2px solid var(--surface);
  padding-bottom: 1rem;
}

.exp-analysis-title {
  font-size: 2rem;
}

.exp-analysis-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  flex: 1;
}

.exp-ana-left {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.exp-ana-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.exp-ana-ring {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 12px solid #eee;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  position: relative;
}

.state-analysis .exp-ana-ring.red {
  border-left-color: var(--red);
  border-top-color: var(--red);
  border-right-color: var(--red);
  transform: rotate(-45deg);
  transition: all 1.5s ease 0.5s;
}
.state-analysis .exp-ana-ring.red span {
  transform: rotate(45deg);
}

.exp-ana-right {
  display: flex;
  flex-direction: column;
}

.exp-chart-container {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(20,17,15,0.1);
}

.exp-chart-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  height: 100%;
  justify-content: flex-end;
}

.exp-bar-bg {
  width: 60px;
  height: 100%;
  background: var(--surface);
  border-radius: 6px 6px 0 0;
  position: relative;
  overflow: hidden;
}

.exp-bar-fill {
  position: absolute;
  bottom: 0; left: 0; width: 100%;
  background: var(--ink);
  height: 0%;
  transition: height 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.state-analysis .exp-bar-fill {
  height: var(--target-height);
}

.exp-chart-label {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
}


/* Mobile Adaptations */
@media (max-width: 768px) {
  .experience-section {
    padding: 4rem 1rem;
  }
  
  .exp-timeline {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  /* Scale down the container to fit mobile while maintaining desktop layout */
  .exp-container {
    width: 1000px; /* Keep desktop width */
    transform-origin: top left;
    transform: scale(var(--mobile-scale, 0.35)); /* Scale down. We'll set this via JS or inline CSS */
    margin: 0;
  }

  .exp-container-wrapper {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
  }
}