/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a25;
  --bg-alt: #0d0d15;
  --border: #1e1e2e;
  --border-accent: #2a2a40;

  --text: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #55556a;

  --accent: #8b5cf6;
  --accent-light: #a78bfa;

  --emerald: #34d399;
  --amber: #fbbf24;
  --rose: #fb7185;
  --sky: #38bdf8;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

::selection {
  background: rgba(139, 92, 246, 0.3);
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAV — sans liens pour maximiser la conversion ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  width: 28px;
  height: 28px;
  max-width: 28px;
  max-height: 28px;
  flex-shrink: 0;
}

.logo-text {
  font-weight: 700;
  font-size: 18px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  border-radius: 12px;
  padding: 12px 28px;
  font-size: 16px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
  border-radius: 10px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 18px;
  border-radius: 14px;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35);
  transform: translateY(-1px);
}

.btn-arrow {
  transition: transform 0.2s;
}

.btn-primary:hover .btn-arrow {
  transform: translateX(3px);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 160px 0 96px;
  overflow: hidden;
  text-align: center;
}

.hero-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
}

/* Hero tags row */
.hero-tags {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid;
  font-size: 13px;
  font-weight: 500;
}

.tag--emerald {
  border-color: rgba(52, 211, 153, 0.3);
  background: rgba(52, 211, 153, 0.06);
  color: var(--emerald);
}

.tag--violet {
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.06);
  color: var(--accent-light);
}

.tag--amber {
  border-color: rgba(251, 191, 36, 0.3);
  background: rgba(251, 191, 36, 0.06);
  color: var(--amber);
}

.hero h1 {
  font-size: 60px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--sky));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

.hero-cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

/* Microcopy de réassurance sous le CTA */
.cta-reassure {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

/* ===== SOCIAL PROOF STRIP ===== */
.proof-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  padding: 20px 0;
}

.proof-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.proof-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 28px;
}

.proof-sep {
  width: 1px;
  height: 28px;
  background: var(--border-accent);
  flex-shrink: 0;
}

.proof-stars {
  font-size: 16px;
  color: var(--amber);
  letter-spacing: 1px;
}

.proof-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.proof-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== SECTIONS ===== */
.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ===== FEATURE CARDS ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.2s;
}

.card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon--emerald { background: rgba(52, 211, 153, 0.1); color: var(--emerald); }
.card-icon--violet  { background: rgba(139, 92, 246, 0.1); color: var(--accent-light); }
.card-icon--sky     { background: rgba(56, 189, 248, 0.1); color: var(--sky); }
.card-icon--amber   { background: rgba(251, 191, 36, 0.1); color: var(--amber); }
.card-icon--rose    { background: rgba(251, 113, 133, 0.1); color: var(--rose); }

.card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== STEPS ===== */
.steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 700px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 28px 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color 0.2s;
}

.step:hover {
  border-color: var(--border-accent);
}

.step-num {
  font-size: 28px;
  font-weight: 800;
  color: rgba(139, 92, 246, 0.25);
  flex-shrink: 0;
  line-height: 1;
  padding-top: 4px;
  min-width: 40px;
}

.step h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial {
  padding: 28px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.2s;
}

.testimonial:hover {
  border-color: var(--border-accent);
}

.testimonial-stars {
  font-size: 16px;
  color: var(--amber);
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--sky));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonial-info strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.testimonial-info span {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== PILLARS ===== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pillar {
  text-align: center;
  padding: 32px 20px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.2s;
}

.pillar:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.pillar-icon--violet  { background: linear-gradient(135deg, var(--accent), var(--accent-light)); }
.pillar-icon--amber   { background: linear-gradient(135deg, #f59e0b, var(--amber)); }
.pillar-icon--emerald { background: linear-gradient(135deg, #10b981, var(--emerald)); }
.pillar-icon--sky     { background: linear-gradient(135deg, #0284c7, var(--sky)); }

.pillar h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.pillar p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item[open] {
  border-color: var(--border-accent);
}

.faq-item summary {
  list-style: none;
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--accent-light);
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-item p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ===== CTA FINAL ===== */
.cta-box {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 80px 48px;
  border-radius: 24px;
  border: 1px solid var(--border-accent);
  background: var(--bg-card);
}

.cta-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

/* Social proof badge placé juste AU-DESSUS du CTA principal */
.cta-proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(251, 191, 36, 0.2);
  background: rgba(251, 191, 36, 0.05);
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  position: relative;
}

.cta-proof-stars {
  color: var(--amber);
  font-size: 14px;
  letter-spacing: 1px;
}

.cta-box h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  letter-spacing: -0.5px;
}

.cta-box p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 32px;
  position: relative;
  line-height: 1.65;
}

.cta-box .btn {
  position: relative;
}

.cta-box .cta-reassure {
  margin-top: 16px;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-note {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== STICKY CTA BAR — mobile uniquement ===== */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(18, 18, 26, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-accent);
  padding: 12px 20px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  display: none;
}

.sticky-bar.visible {
  transform: translateY(0);
}

.sticky-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 480px;
  margin: 0 auto;
}

.sticky-bar-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
  .hero h1 {
    font-size: 46px;
  }
  .proof-strip-inner {
    gap: 0;
  }
  .proof-sep {
    display: none;
  }
  .proof-stat {
    padding: 8px 16px;
  }
}

@media (max-width: 640px) {
  .logo-img {
    width: 24px;
    height: 24px;
  }
  .logo-text {
    font-size: 16px;
  }
  .hero {
    padding: 120px 0 64px;
  }
  .hero h1 {
    font-size: 34px;
    letter-spacing: -1px;
  }
  .hero-sub {
    font-size: 17px;
  }
  .hero-tags {
    gap: 8px;
  }
  .section {
    padding: 64px 0;
  }
  .section-header {
    margin-bottom: 44px;
  }
  .section-header h2 {
    font-size: 28px;
  }
  .section-header p {
    font-size: 16px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    max-width: 100%;
  }
  .cta-box {
    padding: 48px 24px;
  }
  .cta-box h2 {
    font-size: 28px;
  }
  .cta-box p {
    font-size: 16px;
  }
  .btn-lg {
    font-size: 16px;
    padding: 14px 28px;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .proof-strip-inner {
    flex-direction: column;
    gap: 12px;
  }
  .sticky-bar {
    display: block;
  }
  .step {
    padding: 20px 20px;
  }
  .faq-item summary {
    font-size: 15px;
    padding: 16px 18px;
  }
  .faq-item p {
    padding: 0 18px 16px;
    padding-top: 12px;
  }
}