/* ============================================================
   Rate My Flat — Feuille de styles
   Direction : éditoriale française, papier crème + bleu confiance.
   Variables CSS pour tous les tokens — zéro magic number en dur.
   ============================================================ */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Palette */
  --color-paper: #F7F4ED;
  --color-paper-deep: #EFEADA;
  --color-paper-line: #E5DFCD;
  --color-ink: #14141B;
  --color-ink-soft: #3D3D48;
  --color-ink-muted: #7A7A85;
  --color-card: #FFFFFF;

  --color-brand: #2452F3;
  --color-brand-dark: #1A3DCF;
  --color-brand-soft: #E6ECFE;
  --color-brand-ink: #0A1D6E;

  --color-amber: #E89C3C;
  --color-amber-soft: #FCEFD7;

  --color-night: #0E1024;
  --color-night-soft: #1A1D38;
  --color-night-line: rgba(255, 255, 255, 0.10);

  --color-success: #1F7A4A;
  --color-success-bg: #E6F3EB;
  --color-success-border: #B6D9C2;
  --color-error: #B42323;

  --color-rating-low: #C84A33;
  --color-rating-mid: #E89C3C;
  --color-rating-high: #1F7A4A;

  /* Typographie */
  --font-display: 'Fraunces', 'Times New Roman', Georgia, serif;
  --font-body: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Échelle de taille (clamp pour fluide) */
  --fs-display: clamp(2.5rem, 1.4rem + 4.6vw, 5rem);
  --fs-h2: clamp(2rem, 1.4rem + 2.6vw, 3.25rem);
  --fs-h3: 1.25rem;
  --fs-lead: clamp(1.0625rem, 0.98rem + 0.4vw, 1.25rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;

  /* Échelle d'espacement */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Rayons */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* Ombres */
  --shadow-sm: 0 1px 2px rgba(20, 20, 27, 0.06);
  --shadow-md: 0 6px 24px -8px rgba(20, 20, 27, 0.12);
  --shadow-lg: 0 24px 60px -24px rgba(20, 20, 27, 0.25);
  --shadow-brand: 0 12px 28px -10px rgba(36, 82, 243, 0.45);

  /* Containers */
  --container-max: 1200px;
  --container-pad: clamp(1.25rem, 3vw, 2.5rem);

  /* Transitions */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.45, 0.64, 1);
  --duration-fast: 180ms;
  --duration-mid: 320ms;
  --duration-slow: 700ms;
}

/* ---------- 2. Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-paper);
  background-image:
    radial-gradient(circle at 15% 8%, rgba(36, 82, 243, 0.05), transparent 40%),
    radial-gradient(circle at 85% 12%, rgba(232, 156, 60, 0.05), transparent 35%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

img, svg { display: block; max-width: 100%; }

button { font: inherit; border: 0; background: none; cursor: pointer; color: inherit; }
input { font: inherit; color: inherit; }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--color-brand);
  color: white;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 3. Primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: clamp(var(--space-8), 10vw, var(--space-10));
}

.section-header {
  max-width: 44rem;
  margin-bottom: clamp(var(--space-7), 6vw, var(--space-8));
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.section-eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: currentColor;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 600;
  font-variation-settings: "SOFT" 30, "opsz" 144;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

/* ---------- 4. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(247, 244, 237, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-mid) var(--ease-out),
              background var(--duration-mid) var(--ease-out);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-paper-line);
  background: rgba(247, 244, 237, 0.85);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  transition: opacity var(--duration-fast) var(--ease-out);
}

.logo:hover { opacity: 0.7; }

.logo-mark {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-brand);
  color: white;
  display: grid; place-items: center;
  box-shadow: var(--shadow-brand);
  transition: transform var(--duration-mid) var(--ease-spring);
}

.logo-mark svg { width: 18px; height: 18px; }

.logo:hover .logo-mark {
  transform: rotate(-6deg) scale(1.05);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-variation-settings: "SOFT" 50, "opsz" 24;
  font-size: 1.125rem;
  letter-spacing: -0.015em;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}

.header-cta {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-brand);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--duration-fast) var(--ease-out);
}

.header-cta::after {
  content: "→";
  transition: transform var(--duration-fast) var(--ease-out);
}

.header-cta:hover::after { transform: translateX(2px); }

@media (max-width: 540px) {
  .header-cta { display: none; }
}

/* ---------- Sélecteur de pays ---------- */
.lang-switcher {
  position: relative;
  font-family: var(--font-mono);
}

.lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-paper-line);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-ink);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.lang-trigger:hover {
  border-color: var(--color-ink);
  background: rgba(255, 255, 255, 0.95);
}

.lang-flag {
  font-size: 1rem;
  line-height: 1;
}

.lang-code {
  letter-spacing: 0.08em;
}

.lang-caret {
  width: 9px; height: 6px;
  color: var(--color-ink-muted);
  transition: transform var(--duration-mid) var(--ease-spring);
}

.lang-switcher[data-open="true"] .lang-caret {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 220px;
  margin: 0;
  padding: var(--space-2);
  list-style: none;
  background: var(--color-card);
  border: 1px solid var(--color-paper-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
  transform-origin: top right;
  pointer-events: none;
  transition: opacity var(--duration-mid) var(--ease-out),
              transform var(--duration-mid) var(--ease-spring);
}

.lang-switcher[data-open="true"] .lang-menu {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.lang-menu li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  font-family: var(--font-body);
  color: var(--color-ink);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.lang-menu li:hover {
  background: var(--color-paper);
}

.lang-menu li[aria-selected="true"] {
  background: var(--color-brand-soft);
  color: var(--color-brand-ink);
  font-weight: 600;
}

.lang-menu-flag {
  font-size: 1.25rem;
  line-height: 1;
}

.lang-menu-name {
  flex: 1;
}

.lang-menu-code {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.lang-menu li[aria-selected="true"] .lang-menu-code {
  color: var(--color-brand);
}

@media (max-width: 540px) {
  .lang-menu {
    right: auto;
    left: 0;
    transform-origin: top left;
  }
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(var(--space-8), 9vw, var(--space-10)) clamp(var(--space-8), 8vw, var(--space-10));
  overflow: hidden;
}

.hero-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    radial-gradient(circle at 80% -5%, rgba(36, 82, 243, 0.12), transparent 50%),
    radial-gradient(circle at -10% 30%, rgba(232, 156, 60, 0.10), transparent 45%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 64rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-paper-line);
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-6);
}

.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-brand);
  box-shadow: 0 0 0 0 rgba(36, 82, 243, 0.5);
  animation: pulse-dot 2.4s var(--ease-out) infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(36, 82, 243, 0.5); }
  50%      { box-shadow: 0 0 0 8px rgba(36, 82, 243, 0); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 500;
  font-variation-settings: "SOFT" 40, "opsz" 144;
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--color-ink);
  margin-bottom: var(--space-6);
}

.hero-title-accent {
  position: relative;
  display: inline-block;
  font-style: italic;
  font-weight: 400;
  color: var(--color-brand);
}

.hero-underline {
  position: absolute;
  left: 0; right: 0;
  bottom: -0.15em;
  width: 100%;
  height: 0.4em;
  color: var(--color-amber);
  opacity: 0;
  transform: scaleX(0.6);
  transform-origin: left center;
  transition: opacity var(--duration-slow) var(--ease-out) 0.5s,
              transform var(--duration-slow) var(--ease-spring) 0.5s;
}

.reveal.is-visible .hero-underline {
  opacity: 1;
  transform: scaleX(1);
}

.hero-subtitle {
  font-size: var(--fs-lead);
  color: var(--color-ink-soft);
  max-width: 38rem;
  line-height: 1.55;
  margin-bottom: var(--space-7);
}

.hero-subtitle strong {
  color: var(--color-ink);
  font-weight: 700;
}

/* ---------- Hero meta (compteur, gratuit, FR) ---------- */
.hero-meta {
  margin-top: var(--space-7);
  display: inline-flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--color-paper-line);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.hero-meta-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  font-variation-settings: "opsz" 24;
  color: var(--color-ink);
  line-height: 1;
}

.hero-meta-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.hero-meta-divider {
  width: 1px;
  height: 28px;
  background: var(--color-paper-line);
}

@media (max-width: 520px) {
  .hero-meta {
    width: 100%;
    justify-content: space-between;
    gap: var(--space-3);
  }
}

/* ---------- 6. Formulaires d'inscription ---------- */
.signup-form {
  margin-top: var(--space-6);
  max-width: 38rem;
}

.signup-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-2);
}

.signup-row {
  display: flex;
  gap: var(--space-3);
  background: var(--color-card);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-paper-line);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.signup-row:focus-within {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 4px var(--color-brand-soft);
}

.signup-input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-body);
  color: var(--color-ink);
}

.signup-input::placeholder { color: var(--color-ink-muted); }
.signup-input:focus { outline: 0; }

.signup-hint {
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
  margin-top: var(--space-3);
}

.form-error {
  font-size: var(--fs-small);
  color: var(--color-error);
  margin-top: var(--space-3);
  min-height: 1.4em;
}

.form-error:empty { display: none; }

@media (max-width: 560px) {
  .signup-row {
    flex-direction: column;
    padding: var(--space-3);
    gap: var(--space-2);
  }
  .signup-input { padding: var(--space-3) var(--space-2); }
}

/* ---------- 7. Boutons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--fs-body);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

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

.btn:disabled { cursor: wait; opacity: 0.7; }

.btn-primary {
  background: var(--color-brand);
  color: white;
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
  background: var(--color-brand-dark);
  box-shadow: 0 14px 32px -10px rgba(26, 61, 207, 0.55);
}

.btn-dark {
  background: var(--color-ink);
  color: white;
}

.btn-dark:hover { background: #000; }

.btn-label { display: inline-flex; }

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

.btn-spinner {
  display: none;
  width: 18px; height: 18px;
  animation: spin 0.8s linear infinite;
}

.btn-spinner circle { opacity: 0.25; }
.btn-spinner path   { opacity: 0.9; }

.btn.is-loading .btn-label   { opacity: 0.55; }
.btn.is-loading .btn-spinner { display: inline-block; }

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

/* ---------- 8. Success state ---------- */
.signup-success {
  max-width: 38rem;
  margin-top: var(--space-5);
  padding: var(--space-5) var(--space-6);
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  border-radius: var(--radius-lg);
  animation: success-in var(--duration-mid) var(--ease-spring);
}

@keyframes success-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.signup-success-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  font-variation-settings: "opsz" 24;
  color: var(--color-success);
  margin-bottom: var(--space-2);
}

.signup-success-body {
  color: var(--color-ink-soft);
  margin-bottom: var(--space-4);
}

.share-twitter { font-size: var(--fs-small); padding: var(--space-3) var(--space-4); }

/* ---------- 9. Problème — cartes ---------- */
.problem {
  background:
    linear-gradient(to bottom, transparent, var(--color-paper-deep) 40%, var(--color-paper-deep) 60%, transparent),
    var(--color-paper);
  position: relative;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}

.problem-card {
  position: relative;
  padding: var(--space-6);
  background: var(--color-card);
  border: 1px solid var(--color-paper-line);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-mid) var(--ease-out),
              border-color var(--duration-mid) var(--ease-out),
              box-shadow var(--duration-mid) var(--ease-out);
}

.problem-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-brand);
  box-shadow: var(--shadow-md);
}

.problem-card-index {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
}

.problem-card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-brand-soft);
  color: var(--color-brand);
  display: grid; place-items: center;
  margin-bottom: var(--space-5);
}

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

.problem-card-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  font-variation-settings: "opsz" 24;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.problem-card-body {
  color: var(--color-ink-soft);
  line-height: 1.6;
}

/* ---------- 10. Solution + mockup ---------- */
.solution-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(var(--space-7), 6vw, var(--space-9));
  align-items: center;
}

@media (min-width: 880px) {
  .solution-grid {
    grid-template-columns: 1fr 1.05fr;
  }
}

.steps {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.step {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-paper);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  font-variation-settings: "opsz" 24;
}

.step-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  font-variation-settings: "opsz" 24;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.step-text {
  color: var(--color-ink-soft);
  line-height: 1.55;
}

/* ---------- Mockup d'une fiche appartement ---------- */
.flat-card-wrap {
  position: relative;
  max-width: 28rem;
  margin-inline: auto;
}

.flat-sticker {
  position: absolute;
  top: -16px;
  right: -8px;
  z-index: 2;
  background: var(--color-amber);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  transform: rotate(4deg);
  box-shadow: 0 6px 14px -4px rgba(232, 156, 60, 0.5);
}

.flat-card {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-paper-line);
  box-shadow: var(--shadow-lg);
  transform: rotate(-1.5deg);
  transition: transform var(--duration-slow) var(--ease-spring);
}

.flat-card:hover { transform: rotate(0); }

.flat-card-photo {
  position: relative;
  height: 160px;
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-dark) 100%);
  overflow: hidden;
}

.flat-card-photo-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(28px);
  opacity: 0.5;
}

.flat-card-photo-shape-1 {
  width: 180px; height: 180px;
  background: var(--color-amber);
  top: -40px; left: -30px;
}

.flat-card-photo-shape-2 {
  width: 140px; height: 140px;
  background: rgba(255, 255, 255, 0.6);
  bottom: -40px; right: -20px;
}

.flat-card-photo-badge {
  position: absolute;
  top: var(--space-3); right: var(--space-3);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-ink);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
}

.flat-card-body { padding: var(--space-5); }

.flat-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.flat-card-address {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  font-variation-settings: "opsz" 24;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.flat-card-meta {
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
  margin-top: 2px;
}

.flat-card-score {
  text-align: right;
  flex-shrink: 0;
}

.flat-card-score-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  font-variation-settings: "opsz" 48;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  line-height: 1;
}

.flat-card-score-out {
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
}

.flat-card-stars {
  display: flex;
  gap: 2px;
  margin-top: var(--space-2);
  justify-content: flex-end;
}

.star {
  width: 12px; height: 12px;
  background: var(--color-paper-line);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.star-filled { background: var(--color-amber); }

.flat-card-criteria {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.criterion {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--color-paper);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
}

.criterion dt { color: var(--color-ink-muted); }
.criterion dd {
  font-weight: 700;
  font-family: var(--font-mono);
}

.criterion-low dd  { color: var(--color-rating-low); }
.criterion-mid dd  { color: var(--color-rating-mid); }
.criterion-high dd { color: var(--color-rating-high); }

.flat-card-quote {
  margin-top: var(--space-5);
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-brand);
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: "opsz" 14;
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  line-height: 1.5;
}

.flat-card-quote footer {
  margin-top: var(--space-2);
  font-style: normal;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  color: var(--color-ink-muted);
}

.flat-card-caption {
  margin-top: var(--space-3);
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--color-ink-muted);
  font-style: italic;
}

/* ---------- 11. Preuve sociale (section sombre) ---------- */
.social {
  background: var(--color-night);
  background-image:
    radial-gradient(circle at 80% 20%, rgba(36, 82, 243, 0.18), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(232, 156, 60, 0.10), transparent 50%);
  color: white;
  position: relative;
}

.social-header {
  text-align: center;
  margin-inline: auto;
  max-width: 40rem;
}

.social-eyebrow {
  color: #8FA6FF;
  justify-content: center;
}

.social-eyebrow::before { background: #8FA6FF; }

.social-title { color: white; }

.social-count {
  font-style: italic;
  color: var(--color-amber);
  position: relative;
  display: inline-block;
}

.social-count::after {
  content: "";
  position: absolute;
  inset: -4px -8px;
  border: 2px dashed var(--color-amber);
  border-radius: 50%;
  opacity: 0.3;
}

.social-sub {
  margin-top: var(--space-4);
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--fs-lead);
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}

.testimonial {
  position: relative;
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-night-line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: transform var(--duration-mid) var(--ease-out),
              border-color var(--duration-mid) var(--ease-out);
}

.testimonial:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.25);
}

@media (min-width: 880px) {
  .testimonial-offset { transform: translateY(28px); }
  .testimonial-offset:hover { transform: translateY(24px); }
}

.testimonial-quote-mark {
  position: absolute;
  top: -16px;
  left: var(--space-5);
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 700;
  color: var(--color-amber);
  line-height: 1;
  opacity: 0.85;
}

.testimonial blockquote {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 400;
  font-variation-settings: "opsz" 14;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: var(--space-5);
}

.testimonial figcaption {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.7);
}

.testimonial figcaption strong {
  display: block;
  color: white;
  font-weight: 600;
}

.testimonial-city {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.45);
}

.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 700;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-variation-settings: "opsz" 24;
}

.avatar-1 { background: #FCD9A3; }
.avatar-2 { background: #BFD2FF; }
.avatar-3 { background: #C5E8D0; }

/* ---------- 12. CTA section ---------- */
.cta {
  background: var(--color-paper);
  background-image:
    radial-gradient(ellipse 800px 400px at 50% 0%, var(--color-brand-soft), transparent 60%);
  text-align: center;
}

.cta-inner { max-width: 42rem; margin-inline: auto; }

.cta-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 600;
  font-variation-settings: "SOFT" 30, "opsz" 144;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.cta-sub {
  margin-top: var(--space-4);
  font-size: var(--fs-lead);
  color: var(--color-ink-soft);
  margin-bottom: var(--space-6);
}

.signup-form-large { margin-inline: auto; }
.signup-form-large .signup-label { text-align: left; }

.cta .signup-success { margin-inline: auto; text-align: left; }

/* ---------- 13. FAQ ---------- */
.faq-inner { max-width: 44rem; margin-inline: auto; }

.faq-header { text-align: center; margin-inline: auto; }

.faq-header .section-eyebrow { justify-content: center; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-paper-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.faq-item[open] {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-display);
  font-weight: 600;
  font-variation-settings: "opsz" 24;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  transition: color var(--duration-fast) var(--ease-out);
}

.faq-item summary:hover { color: var(--color-brand); }
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item p {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.faq-chevron {
  flex-shrink: 0;
  width: 12px; height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--duration-mid) var(--ease-spring);
  margin-top: -4px;
}

.faq-item[open] .faq-chevron {
  transform: rotate(-135deg);
  margin-top: 4px;
}

/* ---------- 14. Footer ---------- */
.site-footer {
  padding-block: var(--space-7);
  border-top: 1px solid var(--color-paper-line);
  background: var(--color-paper-deep);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-variation-settings: "opsz" 14;
  color: var(--color-ink-soft);
}

.footer-link {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-brand);
  font-weight: 500;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-link:hover { color: var(--color-brand-dark); }

/* ---------- 15. Animations reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 80ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-underline {
    opacity: 1;
    transform: scaleX(1);
  }
  .eyebrow-dot { animation: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 16. Responsive ---------- */
@media (max-width: 760px) {
  .hero { padding-block: var(--space-7); }
  .signup-success { padding: var(--space-4) var(--space-5); }
}