/* ==========================================================
   Altirank ROI Simulator - styles.css
   Système monochrome orange + neutres crème
   Fonts : Space Grotesk (titres) + Poppins (corps)
   ========================================================== */

:root {
  /* Couleurs Altirank exploitées */
  --noir: #282A2D;
  --noir-mid: #393B3E;
  --noir-light: #4A4C4F;
  --orange: #FF7829;
  --orange-soft: #FF9660;
  --orange-deep: #E5651A;
  --orange-tint: #FFE7D6;
  --vert: #0D4923;          /* logo only */
  --creme-fond: #FCF9F8;
  --creme-highlight: #F4ECE9;
  --creme-light: #F7F2F0;

  /* Sémantiques */
  --bg: var(--creme-fond);
  --surface: var(--creme-highlight);
  --border: #E8DFD9;
  --border-strong: #D9CFC9;
  --text: var(--noir);
  --text-muted: #6B6E72;
  --accent: var(--orange);
  --accent-hover: var(--orange-deep);

  /* Typographies */
  --font-title: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body: 'Poppins', system-ui, -apple-system, sans-serif;

  /* Espacements */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(40, 42, 45, 0.06);
  --shadow: 0 4px 20px rgba(40, 42, 45, 0.06);
  --shadow-lg: 0 16px 40px rgba(255, 120, 41, 0.18);

  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================
   RESET ET BASE
   ========================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-title);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
}

::selection {
  background: var(--orange-tint);
  color: var(--noir);
}

/* ==========================================================
   LAYOUT
   ========================================================== */

.app {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  height: 38px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text .app-tagline {
  font-family: var(--font-title);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  margin-top: 4px;
}

.app-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ==========================================================
   TITRE PRINCIPAL
   ========================================================== */

.hero {
  text-align: center;
  margin-bottom: 28px;
  padding: 0 8px;
}

.hero h1 {
  font-size: clamp(1.8rem, 3.8vw, 2.7rem);
  font-weight: 700;
  color: var(--noir);
  margin-bottom: 12px;
}

.hero h1 .accent {
  color: var(--orange);
  font-style: italic;
  font-weight: 600;
}

.hero p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 580px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--orange-tint);
  color: var(--orange-deep);
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
}

/* ==========================================================
   PANEL DES INPUTS
   ========================================================== */

.input-panel {
  background: white;
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 32px;
  border: 1px solid var(--border);
}

.section-label {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--noir-light);
  margin-bottom: 14px;
}

.section + .section {
  margin-top: 28px;
}

/* ==========================================================
   CHIPS CIBLE
   ========================================================== */

.target-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
  border: 1.5px solid transparent;
  cursor: pointer;
}

.chip:hover {
  background: var(--creme-light);
  border-color: var(--border-strong);
}

.chip.active {
  background: var(--orange);
  color: white;
  border-color: var(--orange);
  box-shadow: 0 2px 8px rgba(255, 120, 41, 0.30);
}

.chip-description {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 10px;
  font-style: italic;
}

/* ==========================================================
   TABS MODE
   ========================================================== */

.mode-tabs {
  display: inline-flex;
  background: var(--surface);
  padding: 4px;
  border-radius: 999px;
  gap: 2px;
}

.mode-tab {
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
}

.mode-tab.active {
  background: white;
  color: var(--orange);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================
   FORMULAIRE
   ========================================================== */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--noir-mid);
}

.field-help {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.field input[type="number"],
.field input[type="text"],
.field select {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: white;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
  width: 100%;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 120, 41, 0.15);
}

.field-suffix {
  position: relative;
}

.field-suffix .suffix {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  pointer-events: none;
}

.field-suffix input {
  padding-right: 40px;
}

/* Presets uplift */
.preset-row {
  display: flex;
  gap: 6px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.preset-btn {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--noir-mid);
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.preset-btn:hover { background: var(--creme-light); }

.preset-btn.active {
  background: var(--orange);
  color: white;
}

/* ==========================================================
   PANEL PRO
   ========================================================== */

.pro-panel {
  margin-top: 24px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.pro-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--orange);
  padding: 8px 0;
  user-select: none;
  cursor: pointer;
}

.pro-toggle .chevron {
  transition: transform var(--transition);
  width: 16px;
  height: 16px;
}

.pro-panel.open .pro-toggle .chevron {
  transform: rotate(180deg);
}

.pro-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 350ms ease-out;
}

/* Quand le panel est ouvert, on libère l'overflow pour que les tooltips
   absolute (help-icon, term) ne soient pas tronqués par le clip du panel.
   Le visuel pendant la transition reste acceptable car le contenu glisse vers le bas. */
.pro-panel.open .pro-content {
  max-height: 1600px;
  padding-top: 18px;
  overflow: visible;
}

.pro-section-label {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--orange);
  margin: 18px 0 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

.pro-section-label:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.toggle-text {
  font-size: 0.85rem;
  color: var(--noir-mid);
  font-weight: 500;
}

.toggle-text strong {
  color: var(--orange);
  font-family: var(--font-title);
  font-weight: 600;
}

/* Slider */
.slider-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.slider-row input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--surface);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}

.slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  background: var(--orange);
  border: 3px solid white;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(255, 120, 41, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.slider-row input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.slider-row input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: var(--orange);
  border: 3px solid white;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(255, 120, 41, 0.4);
  cursor: pointer;
}

.slider-value {
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--orange);
  min-width: 50px;
  text-align: right;
}

/* ==========================================================
   BLOC METHODOLOGIE — Pour comprendre les chiffres
   ========================================================== */

.methodology {
  margin-top: 56px;
  margin-bottom: 32px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.methodology-header {
  text-align: center;
  margin-bottom: 32px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.methodology-eyebrow {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-bottom: 10px;
}

.methodology-header h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  color: var(--noir);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.methodology-header p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.methodo-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
}

.methodo-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.methodo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
}

.methodo-icon svg {
  width: 22px;
  height: 22px;
}

.methodo-step {
  position: absolute;
  top: 22px;
  right: 22px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--border-strong);
  letter-spacing: 0.06em;
}

.methodo-card h3 {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--noir);
  letter-spacing: -0.01em;
}

.methodo-card p {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* Card CTA spéciale (4ème) */
.methodo-card-cta {
  background: var(--orange);
  border-color: var(--orange);
  color: white;
}

.methodo-card-cta .methodo-icon {
  background: rgba(255, 255, 255, 0.18);
  color: white;
}

.methodo-card-cta h3 {
  color: white;
}

.methodo-card-cta p {
  color: rgba(255, 255, 255, 0.92);
}

.methodo-card-cta .methodo-step {
  color: rgba(255, 255, 255, 0.40);
}

.methodo-cta-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.88rem;
  color: white;
  text-decoration: none;
  padding-top: 4px;
  transition: var(--transition);
}

.methodo-cta-link .icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.methodo-cta-link:hover .icon {
  transform: translateX(3px);
}

/* ==========================================================
   3 CARTES SCENARIOS
   Pessimiste = Optimiste (neutre)
   Realiste = HERO ORANGE
   ========================================================== */

.scenarios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.scenario-card {
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: var(--transition);
  border: 1.5px solid transparent;
}

.scenario-card .scenario-label {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  margin-bottom: 12px;
}

.scenario-card .roi-block {
  text-align: center;
  margin-bottom: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid currentColor;
  border-bottom-color: rgba(40, 42, 45, 0.10);
}

.scenario-card .roi-multiple {
  font-family: var(--font-title);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.scenario-card .roi-label {
  font-size: 0.82rem;
  font-weight: 500;
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.scenario-card .metrics {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.scenario-card .metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
}

.scenario-card .metric-label {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.85;
}

.scenario-card .metric-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.7;
}

.scenario-card .metric-value {
  font-weight: 600;
  font-family: var(--font-title);
}

/* === Pessimiste & Optimiste : style neutre identique === */
.card-pessimiste,
.card-optimiste {
  background: var(--creme-highlight);
  color: var(--noir);
  border-color: var(--border);
}

.card-pessimiste .roi-multiple,
.card-optimiste .roi-multiple {
  color: var(--noir);
}

.card-pessimiste .scenario-label,
.card-optimiste .scenario-label {
  color: var(--noir-light);
}

.card-pessimiste:hover,
.card-optimiste:hover {
  border-color: var(--border-strong);
}

/* === Realiste : HERO ORANGE === */
.card-realiste {
  background: var(--orange);
  color: white;
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
  z-index: 1;
}

.card-realiste .roi-multiple {
  color: white;
  /* Carte centrale, le ROI domine visuellement la page */
  font-size: clamp(3.2rem, 6vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 6px;
}

.card-realiste .roi-block {
  margin-bottom: 26px;
  padding-bottom: 22px;
}

.card-realiste .roi-label {
  font-size: 0.86rem;
  letter-spacing: 0.10em;
  font-weight: 600;
}

.card-realiste .metrics {
  gap: 10px;
}

.card-realiste .metric {
  font-size: 0.86rem;
}

.card-realiste .scenario-label {
  color: rgba(255, 255, 255, 0.85);
}

.card-realiste .roi-block {
  border-bottom-color: rgba(255, 255, 255, 0.25);
}

.card-realiste .metric-value {
  color: white;
}

.card-realiste .badge-best {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--noir);
  color: white;
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* ==========================================================
   GRAPHIQUE
   ========================================================== */

.chart-panel {
  background: white;
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 32px;
  border: 1px solid var(--border);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 14px;
}

.chart-header-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.chart-header h2 {
  font-size: 1.15rem;
  color: var(--noir);
}

.chart-toggle {
  display: inline-flex;
  background: var(--surface);
  padding: 3px;
  border-radius: 999px;
  gap: 2px;
  flex-shrink: 0;
}

.chart-toggle-btn {
  padding: 7px 14px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.chart-toggle-btn.active {
  background: white;
  color: var(--orange);
  box-shadow: var(--shadow-sm);
}

.chart-toggle-btn:hover:not(.active) {
  color: var(--noir);
}

.chart-canvas-wrap {
  position: relative;
  height: 340px;
}

/* ==========================================================
   BILAN FINANCIER — Coût total vs CA cumulé vs Bénéfice net
   ========================================================== */

.financial-summary {
  background: white;
  border-radius: var(--radius-xl);
  padding: 30px 32px;
  margin-bottom: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.fs-header {
  text-align: center;
  margin-bottom: 26px;
}

.fs-eyebrow {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 8px;
}

.fs-header h2 {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--noir);
  letter-spacing: -0.015em;
}

.fs-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}

.fs-cell {
  text-align: center;
  padding: 18px 16px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fs-invest {
  background: var(--surface);
}

.fs-revenue {
  background: var(--creme-light);
  border: 1.5px solid var(--border);
}

.fs-profit {
  background: var(--orange);
  color: white;
}

.fs-cell-label {
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--text-muted);
}

.fs-profit .fs-cell-label {
  color: rgba(255, 255, 255, 0.85);
}

.fs-cell-value {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  color: var(--noir);
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.fs-profit .fs-cell-value {
  color: white;
}

.fs-cell-help {
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.45;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
}

.fs-profit .fs-cell-help {
  color: rgba(255, 255, 255, 0.80);
}

.fs-profit .help-icon {
  background: rgba(255, 255, 255, 0.20);
  color: white;
  border-color: rgba(255, 255, 255, 0.30);
}

.fs-arrow {
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fs-arrow svg {
  width: 22px;
  height: 22px;
}

.fs-uncertainty {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--surface);
  border-radius: var(--radius);
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
  flex-wrap: wrap;
}

.fs-uncertainty strong {
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--noir);
}

.fs-uncertainty .icon {
  width: 18px;
  height: 18px;
  color: var(--orange);
  flex-shrink: 0;
}

@media (max-width: 760px) {
  .fs-flow {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .fs-arrow {
    transform: rotate(90deg);
  }
}

/* ==========================================================
   COUT D'OPPORTUNITE SEA
   ========================================================== */

.sea-panel {
  background: white;
  border-radius: var(--radius-xl);
  padding: 28px;
  margin-bottom: 24px;
  border: 1.5px solid var(--orange);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
}

.sea-content h3 {
  font-size: 1.1rem;
  color: var(--noir);
  margin-bottom: 6px;
}

.sea-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.sea-comparison {
  display: flex;
  gap: 14px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  flex-wrap: wrap;
}

.sea-kpi {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 100px;
}

.sea-kpi-label {
  font-size: 0.74rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
  font-family: var(--font-title);
}

.sea-kpi-value {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--noir);
  letter-spacing: -0.01em;
}

.sea-kpi-ratio .sea-kpi-value {
  color: var(--orange);
}

.sea-amount {
  text-align: right;
}

.sea-amount .amount {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--orange);
  line-height: 1;
}

.sea-amount .amount-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ==========================================================
   EVOLUTION DU COUT PAR LEAD (3 snapshots Mois 1 / 6 / 12)
   ========================================================== */

.cac-evolution {
  margin-bottom: 32px;
}

.cac-header {
  text-align: center;
  margin-bottom: 22px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cac-eyebrow {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 10px;
}

.cac-header h2 {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  color: var(--noir);
  margin-bottom: 10px;
}

.cac-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.cac-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: stretch;
}

.cac-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  overflow: hidden;
}

.cac-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--text-muted);
}

.cac-month-1::before { background: #E5651A; }
.cac-month-6::before { background: #F4A742; }
.cac-month-12::before { background: #4FB07A; }

.cac-month {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.cac-value {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.6rem);
  letter-spacing: -0.025em;
  line-height: 1;
}

.cac-month-1 .cac-value { color: #E5651A; }
.cac-month-6 .cac-value { color: #F4A742; }
.cac-month-12 .cac-value { color: #4FB07A; }

.cac-unit {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  font-weight: 500;
}

.cac-detail {
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.86rem;
  color: var(--noir);
  margin-bottom: 6px;
}

.cac-context {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

.cac-card-highlight {
  border-color: #4FB07A;
  background: #F4F9F6;
}

@media (max-width: 760px) {
  .cac-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================
   REMANENCE SEO VS ADS (le jour où vous coupez le budget)
   ========================================================== */

.remanence {
  background: var(--noir);
  border-radius: var(--radius-xl);
  padding: 32px;
  margin-bottom: 32px;
  color: white;
}

.remanence-header {
  text-align: center;
  margin-bottom: 24px;
}

.remanence-eyebrow {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 8px;
}

.remanence h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  color: white;
  letter-spacing: -0.015em;
}

.remanence-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: stretch;
}

.remanence-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-lg);
  padding: 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.remanence-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.remanence-icon svg {
  width: 18px;
  height: 18px;
}

.remanence-ads .remanence-icon { color: #FF7829; }
.remanence-seo .remanence-icon { color: #4FB07A; }

.remanence-label {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: rgba(255, 255, 255, 0.65);
}

.remanence-headline {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.15rem;
  color: white;
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}

.remanence-ads .remanence-headline { color: #FF9660; }
.remanence-seo .remanence-headline { color: #4FB07A; }

.remanence-card p {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.55;
}

.remanence-vs {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--orange);
  align-self: center;
  letter-spacing: 0.08em;
}

.remanence-disclaimer {
  margin-top: 22px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.82rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.72);
}

.remanence-disclaimer .icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--orange);
  margin-top: 1px;
}

@media (max-width: 760px) {
  .remanence-grid {
    grid-template-columns: 1fr;
  }
  .remanence-vs {
    transform: rotate(90deg);
    margin: -4px 0;
  }
}

/* ==========================================================
   HYPOTHESES PANEL
   ========================================================== */

.hypotheses-panel {
  background: white;
  border-radius: var(--radius-lg);
  padding: 0 24px;
  border: 1px solid var(--border);
  margin-top: 8px;
  transition: var(--transition);
}

.hypotheses-panel:hover {
  border-color: var(--border-strong);
}

.hypotheses-panel summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 600;
  font-family: var(--font-title);
  font-size: 0.92rem;
  color: var(--noir);
  user-select: none;
}

.hypotheses-panel summary:hover {
  color: var(--orange);
}

.hypotheses-panel summary::-webkit-details-marker { display: none; }

.hypotheses-panel summary .chevron {
  transition: transform var(--transition);
  width: 16px;
  height: 16px;
}

.hypotheses-panel[open] summary .chevron { transform: rotate(180deg); }

.hypotheses-list {
  padding: 4px 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding-top: 18px;
}

.hypotheses-list li {
  list-style: none;
  background: var(--surface);
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.hypotheses-list li strong {
  display: block;
  font-family: var(--font-title);
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--noir);
  font-size: 0.84rem;
}

/* legal-disclaimer retiré, fusionné dans .methodology */

/* ==========================================================
   BOUTONS
   ========================================================== */

.btn {
  padding: 11px 20px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.88rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--orange);
  color: white;
  box-shadow: 0 2px 8px rgba(255, 120, 41, 0.25);
}

.btn-primary:hover {
  background: var(--orange-deep);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255, 120, 41, 0.35);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--creme-light);
  border-color: var(--border-strong);
}

.btn-outline {
  border-color: var(--orange);
  color: var(--orange);
  background: transparent;
}

.btn-outline:hover {
  background: var(--orange-tint);
}

.btn .icon {
  width: 16px;
  height: 16px;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 120, 41, 0.30);
}

/* Focus visible cohérent sur tous les éléments interactifs (accessibilité AA) */
.chip:focus-visible,
.preset-btn:focus-visible,
.mode-tab:focus-visible,
.chart-toggle-btn:focus-visible,
.help-icon:focus-visible,
.term:focus-visible,
.btn-remove-kw:focus-visible,
.pro-toggle:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.toggle input:focus-visible + .toggle-track {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* Toast feedback (clipboard copy) */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--noir);
  color: white;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.20);
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 100;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast .icon {
  width: 16px;
  height: 16px;
  color: var(--orange);
}

/* ==========================================================
   FOOTER
   ========================================================== */

.app-footer {
  margin-top: 48px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.app-footer a {
  color: var(--orange);
  text-decoration: none;
  font-weight: 500;
}

/* Keyword traffic estimate */
.keyword-result {
  margin-top: 16px;
  padding: 14px 18px;
  background: var(--orange-tint);
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.keyword-result strong {
  font-family: var(--font-title);
  color: var(--orange-deep);
  font-size: 1.05rem;
}

/* ==========================================================
   TABLEAU MULTI-MOTS-CLES
   ========================================================== */

.section-help {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
  margin-left: 8px;
}

.keyword-table {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.keyword-row {
  display: grid;
  grid-template-columns: 2fr 1.1fr 1.1fr 1.2fr 36px;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  background: white;
  border-radius: 10px;
  transition: var(--transition);
}

.keyword-row.keyword-header {
  background: transparent;
  padding: 6px 10px 4px;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.74rem;
  color: var(--noir-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.keyword-row.keyword-header .kw-cell {
  border: none;
  padding: 0;
  background: transparent;
}

.kw-cell input,
.kw-cell select {
  width: 100%;
  padding: 8px 10px;
  border: 1.5px solid transparent;
  border-radius: 8px;
  background: var(--creme-light);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}

.kw-cell input:focus,
.kw-cell select:focus {
  outline: none;
  border-color: var(--orange);
  background: white;
  box-shadow: 0 0 0 3px rgba(255, 120, 41, 0.10);
}

.kw-cell.kw-traffic {
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--orange-deep);
  font-size: 0.92rem;
  text-align: right;
  padding-right: 6px;
}

.kw-cell.kw-action {
  display: flex;
  justify-content: center;
}

.btn-remove-kw {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-remove-kw:hover {
  background: rgba(255, 120, 41, 0.10);
  color: var(--orange-deep);
}

.btn-remove-kw .icon {
  width: 16px;
  height: 16px;
}

.keyword-table-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.keyword-ctr-mode {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--noir-mid);
}

.keyword-ctr-mode label {
  font-weight: 500;
  white-space: nowrap;
}

.keyword-ctr-mode select {
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: white;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.84rem;
}

.btn-sm .icon { width: 14px; height: 14px; }

@media (max-width: 700px) {
  .keyword-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .keyword-row.keyword-header { display: none; }
  .kw-cell.kw-name { grid-column: 1 / -1; }
  .kw-cell.kw-traffic { grid-column: 1 / 2; text-align: left; }
  .kw-cell.kw-action { grid-column: 2 / 3; justify-content: flex-end; }
}

/* ==========================================================
   TOOLTIPS D'AIDE (icône i)
   ========================================================== */

.help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 10px;
  font-family: var(--font-title);
  font-weight: 600;
  cursor: help;
  margin-left: 6px;
  position: relative;
  border: 1px solid var(--border);
  transition: var(--transition);
  vertical-align: middle;
}

.help-icon:hover,
.help-icon:focus {
  background: var(--orange-tint);
  color: var(--orange-deep);
  border-color: var(--orange);
}

.help-icon[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--noir);
  color: white;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 400;
  font-family: var(--font-body);
  line-height: 1.5;
  width: 260px;
  text-align: left;
  white-space: normal;
  text-transform: none;
  letter-spacing: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms;
  z-index: 50;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.help-icon[data-tooltip]::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--noir);
  opacity: 0;
  transition: opacity 200ms;
  pointer-events: none;
  z-index: 51;
}

.help-icon[data-tooltip]:hover::after,
.help-icon[data-tooltip]:hover::before,
.help-icon[data-tooltip]:focus::after,
.help-icon[data-tooltip]:focus::before,
.help-icon[data-tooltip].tooltip-open::after,
.help-icon[data-tooltip].tooltip-open::before {
  opacity: 1;
}

/* Termes inline avec tooltip (souligné pointillé orange) */
.term {
  position: relative;
  border-bottom: 1px dotted var(--orange);
  cursor: help;
  font-weight: 500;
  color: var(--noir);
  padding-bottom: 1px;
  transition: var(--transition);
}

.term:hover,
.term:focus {
  color: var(--orange-deep);
  border-bottom-color: var(--orange-deep);
  border-bottom-style: solid;
}

.term[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--noir);
  color: white;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 400;
  font-family: var(--font-body);
  line-height: 1.5;
  width: 260px;
  text-align: left;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms;
  z-index: 50;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.term[data-tooltip]::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--noir);
  opacity: 0;
  transition: opacity 200ms;
  pointer-events: none;
  z-index: 51;
}

.term[data-tooltip]:hover::after,
.term[data-tooltip]:hover::before,
.term[data-tooltip]:focus::after,
.term[data-tooltip]:focus::before,
.term[data-tooltip].tooltip-open::after,
.term[data-tooltip].tooltip-open::before {
  opacity: 1;
}

/* Wrapper label + help-icon pour le sortir du label */
.field-label-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.field-label-row label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--noir-mid);
}

.field-label-row .help-icon {
  margin-left: 0;
}

/* Toggle générique (utilisé ailleurs si besoin) */
.toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
}

.toggle input { display: none; }

.toggle-track {
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--border);
  position: relative;
  transition: var(--transition);
}

.toggle-track::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  top: 3px;
  left: 3px;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle input:checked + .toggle-track {
  background: var(--orange);
}

.toggle input:checked + .toggle-track::after {
  transform: translateX(18px);
}

/* ==========================================================
   ZONE CAPTURE — pour export image et impression
   ========================================================== */

.capture-area {
  /* zone visuelle qui sera capturée par html2canvas */
  background: var(--bg);
}

.capture-watermark {
  display: none;
}

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

@media (max-width: 900px) {
  .scenarios {
    grid-template-columns: 1fr;
  }
  .card-realiste {
    transform: scale(1);
    order: -1;
  }
  .sea-panel {
    grid-template-columns: 1fr;
  }
  .sea-amount { text-align: left; }
}

@media (max-width: 600px) {
  .app { padding: 20px 16px 60px; }
  .input-panel { padding: 22px 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.7rem; }
  .app-actions { width: 100%; }
  .app-actions .btn { flex: 1; justify-content: center; }
}

/* ==========================================================
   IMPRESSION (PDF via Ctrl+P)
   ========================================================== */

@media print {
  @page {
    size: A4;
    margin: 12mm;
  }

  body {
    background: white !important;
    color: var(--noir);
    font-size: 11pt;
  }

  .app-actions,
  .pro-panel,
  .hypotheses-panel,
  .preset-row,
  .mode-tabs,
  .toast {
    display: none !important;
  }

  .app {
    max-width: 100%;
    padding: 0;
  }

  .app-header {
    margin-bottom: 14px;
    border-bottom: 2px solid var(--orange);
    padding-bottom: 10px;
  }

  .input-panel,
  .chart-panel,
  .sea-panel {
    box-shadow: none;
    border: 1px solid var(--border);
    page-break-inside: avoid;
    padding: 14px;
    margin-bottom: 12px;
  }

  .methodology {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1.5px solid var(--orange);
    page-break-inside: auto;
  }

  .methodology-header {
    text-align: left;
    margin-bottom: 12px;
  }

  .methodology-header h2 {
    font-size: 1.1rem;
  }

  .methodology-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .methodo-card {
    padding: 12px;
    page-break-inside: avoid;
    box-shadow: none;
  }

  .methodo-card-cta {
    background: var(--orange) !important;
  }

  .methodo-card .methodo-step {
    font-size: 0.7rem;
  }

  .hypotheses-panel {
    display: none;
  }

  .scenarios {
    page-break-inside: avoid;
    gap: 8px;
  }

  .scenario-card {
    padding: 14px 12px;
    box-shadow: none !important;
    transform: none !important;
    page-break-inside: avoid;
  }

  .card-realiste {
    background: var(--orange) !important;
    color: white !important;
  }

  .card-pessimiste,
  .card-optimiste {
    background: var(--surface) !important;
  }

  .scenario-card .roi-multiple {
    font-size: 1.9rem;
  }

  .chart-canvas-wrap {
    height: 220px;
  }

  .hero {
    margin-bottom: 14px;
  }

  .hero h1 { font-size: 1.4rem; }
  .hero p { font-size: 0.88rem; }

  /* Force impression couleurs */
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    color-adjust: exact !important;
  }
}