/* ==============================================================================
   KineSuite — Marketing Tool: Calculateur Échelles & Bilans Kiné
   Style aligned with KineSuite Design System (tokens.css, modern-theme.css)
   ============================================================================== */

:root {
  --tool-primary: #0d9488;        /* teal-600 */
  --tool-primary-dark: #0f766e;   /* teal-700 */
  --tool-primary-light: #14b8a6;  /* teal-500 */
  --tool-primary-subtle: #f0fdfa; /* teal-50 */
  --tool-accent: #2563eb;         /* blue-600 */
  --tool-accent-subtle: #eff6ff;  /* blue-50 */
  --tool-surface: #ffffff;
  --tool-bg-alt: #f8fafc;         /* slate-50 */
  --tool-border: #e2e8f0;         /* slate-200 */
  --tool-text: #0f172a;           /* slate-900 */
  --tool-text-muted: #64748b;     /* slate-500 */
  --tool-radius: 16px;
  --tool-shadow: 0 10px 25px -5px rgba(15, 118, 110, 0.08), 0 8px 10px -6px rgba(15, 118, 110, 0.04);
  --tool-shadow-lg: 0 20px 30px -10px rgba(15, 23, 42, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.05);
}

/* ── Hero Section ────────────────────────────────────────────────────────── */
.tool-hero {
  position: relative;
  background: linear-gradient(135deg, #042f2e 0%, #0f766e 60%, #0d9488 100%);
  color: #ffffff;
  padding: 5rem 0 4.5rem;
  overflow: hidden;
}

.tool-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.tool-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 9999px;
  font-size: 0.825rem;
  font-weight: 600;
  color: #ccfbf1;
  margin-bottom: 1.25rem;
}

.tool-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.tool-hero-title .highlight {
  color: #5eead4;
}

.tool-hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.6;
  color: #e6fffa;
  max-width: 680px;
  margin-bottom: 2rem;
}

.tool-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-chrome-store {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: #ffffff;
  color: #0f172a;
  padding: 0.85rem 1.6rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.25s ease;
}

.btn-chrome-store:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  color: #0d9488;
}

.chrome-icon {
  width: 22px;
  height: 22px;
}

.btn-tool-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.85rem 1.5rem;
  border-radius: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-tool-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.tool-hero-proof {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: #ccfbf1;
}

.tool-hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* ── Interactive Simulator Card ──────────────────────────────────────────── */
.simulator-section {
  padding: 4rem 0 5rem;
  background: #f8fafc;
}

.simulator-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.simulator-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tool-primary);
  margin-bottom: 0.5rem;
}

.simulator-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--tool-text);
  margin-bottom: 0.75rem;
}

.simulator-lead {
  color: var(--tool-text-muted);
  font-size: 1.05rem;
}

.simulator-card {
  background: #ffffff;
  border-radius: var(--tool-radius);
  border: 1px solid var(--tool-border);
  box-shadow: var(--tool-shadow-lg);
  overflow: hidden;
}

/* Scale Tabs Navigation */
.scale-tabs-nav {
  display: flex;
  background: #f1f5f9;
  border-bottom: 1px solid var(--tool-border);
  overflow-x: auto;
  scrollbar-width: thin;
}

.scale-tab-btn {
  flex: 1;
  min-width: 140px;
  padding: 1.1rem 1rem;
  background: transparent;
  border: none;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--tool-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 3px solid transparent;
}

.scale-tab-btn:hover {
  background: rgba(255, 255, 255, 0.6);
  color: var(--tool-primary);
}

.scale-tab-btn.active {
  background: #ffffff;
  color: var(--tool-primary-dark);
  border-bottom-color: var(--tool-primary);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.03);
}

.scale-tab-badge {
  font-size: 0.725rem;
  font-weight: 500;
  color: #64748b;
}

.scale-tab-btn.active .scale-tab-badge {
  color: var(--tool-primary);
}

/* Simulator Body */
.simulator-body {
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2.5rem;
}

@media (max-width: 991px) {
  .simulator-body {
    grid-template-columns: 1fr;
  }
}

/* Form inputs & questions */
.scale-pane {
  display: none;
}

.scale-pane.active {
  display: block;
}

.scale-pane-header {
  margin-bottom: 1.5rem;
}

.scale-pane-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--tool-text);
  margin-bottom: 0.35rem;
}

.scale-pane-desc {
  font-size: 0.875rem;
  color: var(--tool-text-muted);
}

/* EVA Visual Slider */
.eva-slider-wrap {
  padding: 1.5rem 1rem;
  background: var(--tool-bg-alt);
  border-radius: 12px;
  border: 1px solid var(--tool-border);
  margin-bottom: 1.5rem;
}

.eva-value-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.eva-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--tool-primary);
  line-height: 1;
}

.eva-face-icon {
  font-size: 2.75rem;
}

.eva-range-input {
  width: 100%;
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(to right, #10b981 0%, #eab308 50%, #ef4444 100%);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.eva-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--tool-primary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.eva-range-input::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.eva-scale-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--tool-text-muted);
  margin-top: 0.5rem;
}

/* Questions list (KOOS / DASH / Oswestry) */
.question-item {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #f1f5f9;
}

.question-text {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--tool-text);
  margin-bottom: 0.65rem;
}

.option-pill-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 0.4rem;
}

.option-pill-btn {
  padding: 0.5rem 0.6rem;
  background: #f8fafc;
  border: 1px solid var(--tool-border);
  border-radius: 8px;
  font-size: 0.775rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  color: var(--tool-text);
}

.option-pill-btn:hover {
  background: var(--tool-primary-subtle);
  border-color: var(--tool-primary-light);
}

.option-pill-btn.active {
  background: var(--tool-primary);
  border-color: var(--tool-primary);
  color: #ffffff;
  font-weight: 600;
}

/* Results Box (Sticky Right Column) */
.simulator-result-box {
  background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 100%);
  border: 1.5px solid #99f6e4;
  border-radius: 14px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  height: fit-content;
}

.result-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.result-box-tag {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--tool-primary);
  background: #ccfbf1;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
}

.result-score-wrap {
  text-align: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--tool-border);
  margin-bottom: 1.25rem;
}

.result-score-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--tool-primary-dark);
  line-height: 1;
}

.result-score-denom {
  font-size: 1.25rem;
  color: var(--tool-text-muted);
  font-weight: 500;
}

.result-severity-badge {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  background: #e0f2fe;
  color: #0369a1;
}

.result-clinical-meaning {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--tool-text);
  margin-bottom: 1.5rem;
}

.result-action-box {
  background: #ffffff;
  border: 1px dashed var(--tool-primary-light);
  border-radius: 10px;
  padding: 1.1rem;
  text-align: center;
}

.result-action-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--tool-primary-dark);
  margin-bottom: 0.4rem;
}

.result-action-desc {
  font-size: 0.775rem;
  color: var(--tool-text-muted);
  margin-bottom: 0.9rem;
}

.btn-install-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background: var(--tool-primary);
  color: #ffffff;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease;
}

.btn-install-small:hover {
  background: var(--tool-primary-dark);
  color: #ffffff;
}

/* ── Features / Benefits Grid ────────────────────────────────────────────── */
.features-section {
  padding: 5rem 0;
  background: #ffffff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  padding: 2rem;
  background: #ffffff;
  border: 1px solid var(--tool-border);
  border-radius: 14px;
  transition: all 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--tool-shadow);
  border-color: #cbd5e1;
}

.feature-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--tool-primary-subtle);
  color: var(--tool-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.feature-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--tool-text);
  margin-bottom: 0.6rem;
}

.feature-card-desc {
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--tool-text-muted);
}

/* ── Steps Timeline ──────────────────────────────────────────────────────── */
.steps-section {
  padding: 5rem 0;
  background: var(--tool-bg-alt);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  position: relative;
}

.step-card {
  background: #ffffff;
  padding: 2rem;
  border-radius: 14px;
  border: 1px solid var(--tool-border);
  position: relative;
}

.step-number {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--tool-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 4px 8px rgba(13, 148, 136, 0.3);
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--tool-text);
  margin: 0.75rem 0 0.5rem;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--tool-text-muted);
  line-height: 1.55;
}

/* ── Bridge Section (The Upsell to KineSuite) ────────────────────────────── */
.bridge-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.bridge-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 991px) {
  .bridge-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.bridge-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #5eead4;
  margin-bottom: 1rem;
}

.bridge-title {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.bridge-desc {
  font-size: 1.05rem;
  line-height: 1.65;
  color: #cbd5e1;
  margin-bottom: 2rem;
}

.btn-bridge-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: #10b981;
  color: #ffffff;
  padding: 0.9rem 1.8rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

.btn-bridge-cta:hover {
  background: #059669;
  transform: translateY(-2px);
  color: #ffffff;
}

.bridge-highlights {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 1.75rem;
}

.bridge-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.925rem;
  color: #e2e8f0;
}

.bridge-highlight-item i {
  color: #10b981;
  margin-top: 3px;
}

/* ── FAQ Section ─────────────────────────────────────────────────────────── */
.faq-section {
  padding: 5rem 0;
  background: #ffffff;
}

.faq-list {
  max-width: 760px;
  margin: 3rem auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--tool-border);
  padding: 1.25rem 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--tool-text);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  padding: 0;
}

.faq-answer {
  display: none;
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--tool-text-muted);
  margin-top: 0.75rem;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-icon {
  transition: transform 0.2s ease;
  color: var(--tool-primary);
}