/* ================================================================
   18MINDS.AI — CSS AMÉLIORÉ v2.0
   ONYX · 2026-03-06
   Style : Tech Premium (Linear / Vercel / OpenAI)
   Stack : Vanilla CSS · Mobile-first · Google Fonts (Inter)
   Usage : Remplace ou complète le CSS inline existant
================================================================ */

/* ----------------------------------------------------------------
   RESET & ROOT
---------------------------------------------------------------- */
:root {
  /* Palette */
  --bg:         #050508;
  --surface:    #0a0d16;
  --card:       #0f1320;
  --card-hover: #141828;
  --border:     rgba(255,255,255,.06);
  --border-h:   rgba(99,102,241,.35);
  --text:       #f0eef8;
  --muted:      #6b7280;
  --muted2:     #9ca3af;

  /* Accents */
  --accent:     #6366f1;
  --accent-h:   #4f46e5;
  --accent2:    #8b5cf6;
  --emerald:    #10b981;
  --amber:      #f59e0b;
  --red:        #ef4444;

  /* Gradients */
  --grad-brand: linear-gradient(135deg, var(--accent), var(--accent2));
  --grad-warm:  linear-gradient(135deg, var(--accent), var(--accent2), #f43f5e);
  --grad-text:  linear-gradient(135deg, #fff 0%, rgba(240,238,248,.6) 100%);

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.5);
  --shadow-md:  0 8px 32px rgba(0,0,0,.4);
  --shadow-lg:  0 20px 64px rgba(0,0,0,.5);
  --shadow-accent: 0 0 40px rgba(99,102,241,.2);
  --shadow-accent-h: 0 8px 32px rgba(99,102,241,.35);

  /* Transitions */
  --t-fast:  150ms cubic-bezier(.4,0,.2,1);
  --t-base:  250ms cubic-bezier(.4,0,.2,1);
  --t-slow:  400ms cubic-bezier(.4,0,.2,1);

  /* Spacing scale */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Border radius */
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  16px;
  --r-xl:  20px;
  --r-2xl: 24px;
  --r-pill: 100px;
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ----------------------------------------------------------------
   LANGUAGE TOGGLE
---------------------------------------------------------------- */
[data-lang="fr"] [data-en],
[data-lang="en"] [data-fr] { display: none !important; }
[data-lang="fr"] [data-fr],
[data-lang="en"] [data-en] { display: inline; }

/* ----------------------------------------------------------------
   TOPBAR — Gradient animé
---------------------------------------------------------------- */
.topbar {
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--accent2) 35%,
    #f43f5e 65%,
    var(--amber) 100%
  );
  background-size: 200% 100%;
  animation: topbar-slide 4s linear infinite;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
}

@keyframes topbar-slide {
  0%   { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

/* ----------------------------------------------------------------
   NAV — Glass morphism raffiné
---------------------------------------------------------------- */
nav {
  position: fixed;
  top: 2px;
  left: 0;
  right: 0;
  z-index: 199;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  background: rgba(5,5,8,.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--t-base), border-color var(--t-base);
}

nav.scrolled {
  background: rgba(5,5,8,.95);
  border-bottom-color: rgba(255,255,255,.08);
}

.nav-logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  background: linear-gradient(90deg, #4f46e5 0%, #8b5cf6 40%, #f43f5e 75%, var(--amber) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  flex-shrink: 0;
  transition: opacity var(--t-fast);
}

.nav-logo:hover { opacity: .8; }

.nav-center {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.nav-center a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 7px;
  transition: all var(--t-fast);
  white-space: nowrap;
}

.nav-center a:hover {
  color: var(--text);
  background: rgba(255,255,255,.06);
}

.nav-center a.nav-highlight { color: var(--amber); }
.nav-center a.nav-highlight:hover { color: var(--amber); background: rgba(245,158,11,.08); }

.nav-right {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

.nav-cta {
  padding: 7px 18px;
  background: var(--accent);
  border-radius: 8px;
  color: #fff !important;
  font-weight: 600 !important;
  font-size: 13px !important;
  text-decoration: none;
  transition: all var(--t-fast) !important;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent-h) !important;
  box-shadow: 0 4px 16px rgba(99,102,241,.3) !important;
}

.lang-btn {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: .5px;
  text-transform: uppercase;
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.lang-btn:hover {
  background: rgba(255,255,255,.12);
  color: var(--text);
  border-color: rgba(255,255,255,.15);
}

/* HAMBURGER */
.nav-burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--muted);
  transition: color var(--t-fast);
}
.nav-burger:hover { color: var(--text); }
.nav-burger svg { display: block; }

/* MOBILE NAV OVERLAY */
.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: 62px;
  z-index: 198;
  background: rgba(5,5,8,.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  flex-direction: column;
  padding: 24px;
  gap: 4px;
}
.nav-mobile-overlay.active { display: flex; }
.nav-mobile-overlay a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 14px 16px;
  border-radius: 10px;
  transition: all var(--t-fast);
}
.nav-mobile-overlay a:hover,
.nav-mobile-overlay a:active {
  color: var(--text);
  background: rgba(255,255,255,.06);
}
.nav-mobile-overlay a.nav-highlight { color: var(--amber); }
.nav-mobile-overlay a.nav-cta {
  color: #fff !important;
  background: var(--accent);
  text-align: center;
  font-weight: 700;
  margin-top: 8px;
}
.nav-mobile-overlay .nav-mobile-sep {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

/* ----------------------------------------------------------------
   HERO — Premium avec profondeur
---------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--space-12) var(--space-20);
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* Fond principal : gradient radial profond */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(99,102,241,.14) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(139,92,246,.06) 0%, transparent 50%),
    radial-gradient(ellipse 40% 30% at 80% 70%, rgba(244,63,94,.05) 0%, transparent 50%);
}

/* Grid pattern plus visible */
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 840px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 5px 16px;
  border: 1px solid rgba(99,102,241,.3);
  border-radius: var(--r-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #818cf8;
  margin-bottom: var(--space-8);
  background: rgba(99,102,241,.06);
  backdrop-filter: blur(8px);
  transition: border-color var(--t-base), background var(--t-base);
}

.hero-badge:hover {
  border-color: rgba(99,102,241,.5);
  background: rgba(99,102,241,.1);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 6px var(--accent);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 6px var(--accent); }
  50%       { opacity: .6; transform: scale(.75); box-shadow: 0 0 3px var(--accent); }
}

h1 {
  font-size: clamp(42px, 7.5vw, 92px);
  font-weight: 900;
  letter-spacing: -3.5px;
  line-height: .96;
  margin-bottom: var(--space-5);
  color: var(--text);
}

h1 .g {
  background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 17px;
  color: var(--muted2);
  max-width: 560px;
  margin: 0 auto var(--space-10);
  line-height: 1.7;
  font-weight: 400;
}

.hero-btns {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

/* Bouton primaire — gradient + glow */
.btn-p {
  padding: 14px 28px;
  background: var(--grad-brand);
  color: #fff;
  border-radius: var(--r-md);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .02em;
  transition: opacity var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  display: inline-block;
  box-shadow: var(--shadow-accent);
  border: none;
  cursor: pointer;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.btn-p::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,.12), transparent);
  opacity: 0;
  transition: opacity var(--t-fast);
}

.btn-p:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent-h);
  opacity: .92;
}

.btn-p:hover::before { opacity: 1; }

.btn-p:active { transform: translateY(0); }

/* Bouton secondaire */
.btn-s {
  padding: 14px 28px;
  border: 1px solid rgba(255,255,255,.1);
  color: var(--muted2);
  border-radius: var(--r-md);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
  display: inline-block;
  background: rgba(255,255,255,.02);
}

.btn-s:hover {
  border-color: rgba(255,255,255,.2);
  color: var(--text);
  background: rgba(255,255,255,.04);
}

/* Stats hero */
.stats {
  display: flex;
  gap: var(--space-10);
  justify-content: center;
  flex-wrap: wrap;
  padding: var(--space-5) 0;
}

.stat-item { text-align: center; }

.stat-num {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1;
  background: linear-gradient(135deg, var(--text), var(--muted2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-lbl {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: var(--space-1);
  font-weight: 500;
}

.stat-sep {
  width: 1px;
  height: 36px;
  background: var(--border);
  align-self: center;
}

/* ----------------------------------------------------------------
   SECTION COMMONS
---------------------------------------------------------------- */
.section-inner {
  padding: var(--space-24) var(--space-12);
  max-width: 1120px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-3);
  background: rgba(99,102,241,.08);
  padding: 3px 10px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(99,102,241,.2);
}

.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: var(--space-3);
  color: var(--text);
}

/* Mise en valeur du titre de section avec gradient sur un mot */
.section-title .g {
  background: linear-gradient(135deg, #818cf8, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-sub {
  font-size: 15px;
  color: var(--muted2);
  max-width: 520px;
  margin-bottom: var(--space-12);
  line-height: 1.75;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  max-width: 1120px;
  margin: 0 auto;
}

/* ----------------------------------------------------------------
   PRICING SECTION
---------------------------------------------------------------- */
#produits { background: var(--bg); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  align-items: stretch;
}

/* Card de base */
.pricing-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  position: relative;
  overflow: hidden;
}

/* Lueur subtile en haut de la card */
.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,.3), transparent);
  opacity: 0;
  transition: opacity var(--t-base);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
  border-color: var(--border-h);
}

.pricing-card:hover::before { opacity: 1; }

/* Card featured — gradient border + scale */
.pricing-card.featured {
  border: 2px solid transparent;
  background: linear-gradient(var(--card), var(--card)) padding-box,
              linear-gradient(135deg, #6366f1, #8b5cf6, #f43f5e, var(--amber)) border-box;
  transform: scale(1.04);
  z-index: 2;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99,102,241,.15);
}

.pricing-card.featured:hover {
  transform: scale(1.04) translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 80px rgba(99,102,241,.25);
}

.pricing-card.featured::before {
  background: linear-gradient(90deg, transparent, rgba(139,92,246,.5), transparent);
  opacity: 1;
}

/* Fond subtle sur featured */
.pricing-card.featured::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(99,102,241,.06) 0%, transparent 60%);
  pointer-events: none;
}

.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 18px;
  background: var(--grad-brand);
  border-radius: var(--r-pill);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(99,102,241,.4);
}

.pricing-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.4px;
  color: var(--text);
}

.pricing-tagline {
  font-size: 13px;
  color: var(--muted2);
  line-height: 1.6;
  margin-top: -var(--space-2);
}

.pricing-price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.pricing-price {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -2.5px;
  line-height: 1;
  color: var(--text);
}

.pricing-card.featured .pricing-price {
  background: linear-gradient(135deg, var(--text), rgba(240,238,248,.8));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-currency {
  font-size: 16px;
  font-weight: 600;
  color: var(--muted);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.pricing-features li {
  font-size: 13.5px;
  color: var(--muted2);
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.pricing-features li::before {
  content: '';
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  background: var(--accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M13.3 4.3a1 1 0 010 1.4l-6 6a1 1 0 01-1.4 0l-3-3a1 1 0 011.4-1.4L6.6 9.6l5.3-5.3a1 1 0 011.4 0z' fill='currentColor'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M13.3 4.3a1 1 0 010 1.4l-6 6a1 1 0 01-1.4 0l-3-3a1 1 0 011.4-1.4L6.6 9.6l5.3-5.3a1 1 0 011.4 0z' fill='currentColor'/%3E%3C/svg%3E") center/contain no-repeat;
  opacity: .7;
}

.pricing-card.featured .pricing-features li::before {
  background: var(--amber);
  opacity: 1;
}

/* Buttons pricing */
.pricing-btn {
  display: block;
  width: 100%;
  padding: 15px;
  margin-top: auto;
  text-align: center;
  border-radius: var(--r-md);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform var(--t-fast), box-shadow var(--t-fast), opacity var(--t-fast);
  border: none;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: .01em;
  position: relative;
  overflow: hidden;
}

.pricing-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,.1), transparent);
  opacity: 0;
  transition: opacity var(--t-fast);
}

.pricing-btn:hover::before { opacity: 1; }

.pricing-btn-primary {
  background: rgba(99,102,241,.15);
  color: #818cf8;
  border: 1px solid rgba(99,102,241,.3);
}

.pricing-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99,102,241,.2);
  background: rgba(99,102,241,.2);
}

.pricing-btn-featured {
  background: var(--grad-brand);
  color: #fff;
  font-size: 15px;
  padding: 17px;
  box-shadow: var(--shadow-accent);
}

.pricing-btn-featured:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent-h);
  opacity: .92;
}

.pricing-pay-methods {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  margin-top: -var(--space-2);
  letter-spacing: .3px;
}

.pricing-save {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--emerald);
  padding: 4px 12px;
  background: rgba(16,185,129,.08);
  border: 1px solid rgba(16,185,129,.2);
  border-radius: var(--r-sm);
  display: inline-block;
  letter-spacing: .02em;
}

/* ----------------------------------------------------------------
   RESULTS SECTION
---------------------------------------------------------------- */
#resultats { background: var(--surface); }

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 24px;
  text-align: center;
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(16,185,129,.4), transparent);
  opacity: 0;
  transition: opacity var(--t-base);
}

.result-card:hover {
  border-color: rgba(16,185,129,.2);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,.4), 0 0 32px rgba(16,185,129,.06);
}

.result-card:hover::before { opacity: 1; }

.result-num {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: var(--space-2);
  line-height: 1.2;
}

.result-num .from {
  color: var(--muted);
  text-decoration: line-through;
  font-size: 16px;
  font-weight: 600;
}

.result-num .to {
  background: linear-gradient(135deg, var(--emerald), #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-label {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  letter-spacing: .01em;
}

/* ----------------------------------------------------------------
   FAQ SECTION
---------------------------------------------------------------- */
#faq { background: var(--bg); }

.faq-list {
  max-width: 740px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--card);
  transition: border-color var(--t-base);
}

.faq-item:hover { border-color: rgba(99,102,241,.2); }

.faq-item.open {
  border-color: rgba(99,102,241,.3);
  background: var(--card-hover);
}

.faq-q {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  gap: var(--space-4);
  user-select: none;
  color: var(--text);
  letter-spacing: -.02em;
}

.faq-q::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform var(--t-base), content var(--t-fast);
  width: 20px;
  text-align: center;
}

.faq-item.open .faq-q::after {
  content: '−';
  transform: none;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-slow) ease, padding var(--t-slow) ease;
  font-size: 14px;
  color: var(--muted2);
  line-height: 1.75;
  padding: 0 24px;
}

.faq-item.open .faq-a {
  max-height: 400px;
  padding: 0 24px 20px;
}

.faq-a a {
  color: #818cf8;
  text-decoration: none;
  transition: color var(--t-fast);
}

.faq-a a:hover { color: var(--text); }

/* ----------------------------------------------------------------
   CONTACT SECTION
---------------------------------------------------------------- */
#contact {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.contact-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.contact-inner .section-sub {
  margin-left: auto;
  margin-right: auto;
}

.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px;
  text-align: left;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,.45);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.form-input {
  width: 100%;
  padding: 13px 16px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  outline: none;
  -webkit-appearance: none;
}

.form-input:focus {
  border-color: rgba(99,102,241,.5);
  box-shadow: 0 0 0 3px rgba(99,102,241,.1);
  background: rgba(99,102,241,.04);
}

.form-input::placeholder { color: #4b5563; }

textarea.form-input {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-submit {
  width: 100%;
  padding: 15px;
  background: var(--grad-brand);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: opacity var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  margin-top: var(--space-1);
  letter-spacing: .01em;
  box-shadow: var(--shadow-accent);
}

.form-submit:hover {
  opacity: .9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent-h);
}

.form-submit:active { transform: translateY(0); }

.form-ok {
  display: none;
  text-align: center;
  padding: 32px;
  background: rgba(16,185,129,.04);
  border: 1px solid rgba(16,185,129,.2);
  border-radius: var(--r-lg);
}

.form-ok-icon { font-size: 40px; margin-bottom: var(--space-3); }

.form-ok-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--emerald);
  margin-bottom: var(--space-2);
  letter-spacing: -.3px;
}

.form-ok-text { font-size: 13px; color: var(--muted); }

.form-optional {
  font-size: 10px;
  color: var(--muted);
  margin-left: 4px;
  font-weight: 400;
  text-transform: lowercase;
  letter-spacing: 0;
}

/* ----------------------------------------------------------------
   FOOTER
---------------------------------------------------------------- */
footer {
  padding: 28px var(--space-12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  background: var(--bg);
  gap: var(--space-6);
}

.footer-left {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.footer-left strong {
  color: rgba(255,255,255,.45);
  font-weight: 600;
}

.footer-right {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
}

.footer-right a {
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast);
  letter-spacing: .01em;
}

.footer-right a:hover { color: var(--text); }

/* ----------------------------------------------------------------
   PAYMENT MODAL
---------------------------------------------------------------- */
.pay-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
}

.pay-overlay.active { display: flex; }

.pay-modal {
  background: var(--card);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-xl);
  padding: 36px;
  max-width: 440px;
  width: 90%;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(0,0,0,.6);
}

.pay-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast), color var(--t-fast);
}

.pay-close:hover {
  background: rgba(255,255,255,.1);
  color: var(--text);
}

.pay-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -.3px;
  color: var(--text);
}

.pay-amount {
  font-size: 1.5rem;
  font-weight: 900;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  letter-spacing: -.5px;
}

.pay-email-label {
  display: block;
  font-size: .82rem;
  color: var(--muted2);
  margin-bottom: 6px;
  font-weight: 500;
}

.pay-email {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: var(--space-4);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  font-family: inherit;
}

.pay-email:focus {
  border-color: rgba(99,102,241,.5);
  box-shadow: 0 0 0 3px rgba(99,102,241,.1);
}

#payment-element { margin-bottom: var(--space-4); min-height: 40px; }

.pay-submit {
  width: 100%;
  padding: 14px;
  background: var(--grad-brand);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  box-shadow: var(--shadow-accent);
  font-family: inherit;
  letter-spacing: .01em;
}

.pay-submit:hover {
  opacity: .9;
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent-h);
}

.pay-submit:disabled { opacity: .45; cursor: not-allowed; transform: none; }

.pay-msg { text-align: center; padding: 20px 0; display: none; font-weight: 600; }
.pay-msg.success { color: #6ee7b7; }
.pay-msg.error { color: #f87171; }
.pay-spinner { display: none; text-align: center; padding: 12px; color: var(--muted); }

/* ----------------------------------------------------------------
   ANIMATIONS — Fade-up à l'entrée
---------------------------------------------------------------- */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-fade-up {
  animation: fade-up 0.6s var(--t-slow) both;
}

.animate-delay-1 { animation-delay: .1s; }
.animate-delay-2 { animation-delay: .2s; }
.animate-delay-3 { animation-delay: .3s; }
.animate-delay-4 { animation-delay: .4s; }

/* Intersection Observer — classes à ajouter via JS */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ================================================================
   COMPOSANTS RÉUTILISABLES — Nouvelles pages
   (/openclaw, /tailscale, /openclaw-tailscale, /guides)
================================================================ */

/* ----------------------------------------------------------------
   PAGE HEADER (pages secondaires)
---------------------------------------------------------------- */
.page-header {
  padding: 120px var(--space-12) var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 30%, rgba(99,102,241,.1) 0%, transparent 60%);
  pointer-events: none;
}

.page-header-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 12px;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast);
}

.breadcrumb a:hover { color: var(--text); }

.breadcrumb-sep { color: rgba(255,255,255,.2); }

.breadcrumb-current { color: var(--accent); font-weight: 600; }

.page-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  letter-spacing: -2.5px;
  line-height: 1.0;
  margin-bottom: var(--space-4);
}

.page-subtitle {
  font-size: 16px;
  color: var(--muted2);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ----------------------------------------------------------------
   FEATURE GRID (grille de fonctionnalités)
---------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,.25), transparent);
  opacity: 0;
  transition: opacity var(--t-base);
}

.feature-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--shadow-accent);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: rgba(99,102,241,.1);
  border: 1px solid rgba(99,102,241,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: var(--space-4);
}

.feature-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.3px;
  margin-bottom: var(--space-2);
  color: var(--text);
}

.feature-desc {
  font-size: 13px;
  color: var(--muted2);
  line-height: 1.65;
}

/* ----------------------------------------------------------------
   CODE BLOCK (configs JSON)
---------------------------------------------------------------- */
.code-block {
  background: #0a0c14;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--r-lg);
  overflow: hidden;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.code-block-lang {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: 'Inter', sans-serif;
}

.code-block-copy {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  letter-spacing: .5px;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  transition: background var(--t-fast);
}

.code-block-copy:hover { background: rgba(99,102,241,.1); }

.code-block pre {
  padding: 20px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
  color: #c9d1d9;
}

.code-block .token-key    { color: #79c0ff; }
.code-block .token-string { color: #a5d6ff; }
.code-block .token-number { color: #f2cc60; }
.code-block .token-bool   { color: #ff7b72; }

/* ----------------------------------------------------------------
   COMPARISON TABLE
---------------------------------------------------------------- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.comparison-table th {
  padding: 14px 20px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.comparison-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--muted2);
  vertical-align: middle;
}

.comparison-table tr:last-child td { border-bottom: none; }

.comparison-table tr:hover td {
  background: rgba(255,255,255,.02);
  color: var(--text);
}

.comparison-table .td-name {
  font-weight: 600;
  color: var(--text);
}

.comparison-table .td-good  { color: var(--emerald); font-weight: 700; }
.comparison-table .td-bad   { color: var(--red); }
.comparison-table .td-ok    { color: var(--amber); }

.table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* ----------------------------------------------------------------
   GUIDE CARD (page /guides)
---------------------------------------------------------------- */
.guide-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 32px;
  display: flex;
  gap: var(--space-5);
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
  text-decoration: none;
  color: inherit;
}

.guide-card:hover {
  border-color: var(--border-h);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), var(--shadow-accent);
}

.guide-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--r-lg);
  background: rgba(99,102,241,.1);
  border: 1px solid rgba(99,102,241,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.guide-card-body { flex: 1; }

.guide-card-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.3px;
  margin-bottom: var(--space-2);
  color: var(--text);
}

.guide-card-desc {
  font-size: 13px;
  color: var(--muted2);
  line-height: 1.65;
  margin-bottom: var(--space-3);
}

.guide-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.guide-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: rgba(99,102,241,.1);
  border: 1px solid rgba(99,102,241,.2);
  color: #818cf8;
}

.guide-price {
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.3px;
}

/* ----------------------------------------------------------------
   INLINE ALERT / NOTICE
---------------------------------------------------------------- */
.notice {
  display: flex;
  gap: var(--space-3);
  padding: 14px 20px;
  border-radius: var(--r-md);
  font-size: 13px;
  line-height: 1.6;
}

.notice-info {
  background: rgba(99,102,241,.06);
  border: 1px solid rgba(99,102,241,.2);
  color: #a5b4fc;
}

.notice-success {
  background: rgba(16,185,129,.06);
  border: 1px solid rgba(16,185,129,.2);
  color: #6ee7b7;
}

.notice-warning {
  background: rgba(245,158,11,.06);
  border: 1px solid rgba(245,158,11,.2);
  color: #fcd34d;
}

/* ----------------------------------------------------------------
   UTILITY CLASSES
---------------------------------------------------------------- */
.text-gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-warm {
  background: var(--grad-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-emerald { color: var(--emerald); }
.text-amber   { color: var(--amber); }
.text-red     { color: var(--red); }
.text-muted   { color: var(--muted); }
.text-muted2  { color: var(--muted2); }

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

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

/* Tablet */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Tablet small / landscape mobile */
@media (max-width: 960px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    transform: none;
    order: -1;
  }

  .pricing-card.featured:hover {
    transform: translateY(-6px);
  }

  .results-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile */
@media (max-width: 768px) {
  nav {
    padding: 0 var(--space-5);
    height: 56px;
  }

  .nav-center { display: none; }
  .nav-burger { display: block; }

  .hero {
    padding: 100px var(--space-5) var(--space-16);
  }

  h1 {
    font-size: clamp(36px, 10vw, 60px);
    letter-spacing: -2px;
  }

  .hero-sub { font-size: 15px; }

  .hero-btns {
    flex-direction: column;
    align-items: center;
  }

  .btn-p, .btn-s { width: 100%; max-width: 280px; text-align: center; }

  .stats { gap: var(--space-6); }

  .stat-sep { display: none; }

  .section-inner { padding: var(--space-16) var(--space-5); }

  .section-title { letter-spacing: -1px; }

  .results-grid { grid-template-columns: 1fr 1fr; }

  footer {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
    padding: var(--space-6) var(--space-5);
  }

  .footer-right { justify-content: center; }

  .form-row { grid-template-columns: 1fr; }

  .contact-form { padding: 24px 20px; }

  .page-header { padding: 100px var(--space-5) var(--space-12); }

  .features-grid { grid-template-columns: 1fr; }

  .guide-card { flex-direction: column; }

  .guide-card-icon { width: 48px; height: 48px; font-size: 20px; }

  .comparison-table th,
  .comparison-table td { padding: 10px 12px; font-size: 12px; }
}

/* Mobile XS */
@media (max-width: 400px) {
  h1 { font-size: clamp(32px, 9vw, 48px); }
  .pricing-card { padding: 28px 20px; }
  .stat-num { font-size: 24px; }
}