/* ============================================================
   CRM Commerce — Landing page
   Design System conforme au fichier design.md
   ============================================================ */

/* ------------------------------------------------------------
   1. Thème sombre (défaut) — variables
   ------------------------------------------------------------ */
:root {
  --bg-void: #05070d;
  --bg-deep: #0a0f1c;
  --bg-panel: #10182b;
  --bg-card: #131d33;
  --accent: #7dd3fc;
  --accent-soft: #38bdf8;
  --accent-hover: #0ea5e9;
  --accent-glow: rgba(125, 211, 252, 0.25);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: rgba(248, 250, 252, 0.65);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  --card-bg: linear-gradient(160deg, rgba(19, 29, 51, 0.9), rgba(10, 15, 28, 0.95));
  --radius: 20px;
  --transition: 0.35s ease;
  --text-on-accent: #071018;
  --star-filled: #ffd43b;
  --star-empty: #cfcfcf;
  --navbar-bg: #0d1b2a;
  --navbar-bg-scrolled: #0a1521;
  --footer-bg: #080d18;
  --footer-border: rgba(125, 211, 252, 0.16);
}

/* ------------------------------------------------------------
   2. Thème clair (optionnel) — variables
   ------------------------------------------------------------ */
:root[data-app-theme="light"] {
  --bg-void: #eef3f8;
  --bg-deep: #f7f9fc;
  --bg-panel: #e6eef6;
  --bg-card: #fbfcfe;
  --accent: #2374a7;
  --accent-soft: #3185b9;
  --accent-hover: #176b9e;
  --accent-glow: rgba(35, 116, 167, 0.16);
  --text-primary: #19324a;
  --text-secondary: #496176;
  --text-muted: #627b91;
  --border: #d4e0eb;
  --shadow: 0 16px 36px rgba(28, 55, 79, 0.08);
  --card-bg: #ffffff;
  --text-on-accent: #ffffff;
  --star-filled: #ffd43b;
  --star-empty: #cfcfcf;
  --navbar-bg: #e6eef6;
  --navbar-bg-scrolled: #dce7f1;
  --footer-bg: #dce7f1;
  --footer-border: rgba(35, 116, 167, 0.2);
}

/* ------------------------------------------------------------
   3. Base
   ------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 35%),
    linear-gradient(to bottom, var(--bg-deep), var(--bg-void));
  background-color: var(--bg-void);
  padding-top: 80px;
  overflow-x: hidden;
  animation: pageFadeIn 0.8s ease;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 1000;
  padding: 10px 18px;
  background: var(--accent);
  color: var(--text-on-accent);
  border-radius: 10px;
  font-weight: 700;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 16px;
}

/* ------------------------------------------------------------
   4. Navbar
   ------------------------------------------------------------ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 32px;
  background: var(--navbar-bg);
  border-bottom: 1px solid var(--border);
  transition: padding var(--transition), background var(--transition);
}

.navbar.navbar--scrolled {
  padding: 10px 32px;
  background: var(--navbar-bg-scrolled);
}

.navbar__inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.navbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar__logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
}

.navbar__name {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  white-space: nowrap;
  transition: color var(--transition);
}

:root[data-app-theme="light"] .navbar__name {
  color: var(--text-primary);
}

.navbar__brand:hover .navbar__name {
  color: #90caf9;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.navbar__links a {
  position: relative;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  padding: 4px 0;
}

:root[data-app-theme="light"] .navbar__links a {
  color: var(--text-secondary);
}

.navbar__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: #90caf9;
  transition: width var(--transition);
}

.navbar__links a:hover::after {
  width: 100%;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-btn {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  padding: 10px 20px;
  border-radius: 12px;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.nav-btn:active {
  transform: scale(0.95);
}

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

.nav-btn--outline:hover {
  background: var(--accent);
  color: var(--text-on-accent);
}

.nav-btn--primary {
  background: #90caf9;
  color: #0d1b2a;
}

.nav-btn--primary:hover {
  background: #7dd3fc;
}

.nav-btn--theme {
  width: 42px;
  height: 42px;
  padding: 0;
  display: grid;
  place-items: center;
  border-color: var(--border);
  color: var(--accent);
  background: transparent;
}

.nav-btn--theme:hover {
  background: var(--bg-panel);
  border-color: var(--accent);
}

.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--accent);
  font-size: 1.1rem;
  cursor: pointer;
}

/* ------------------------------------------------------------
   5. Sections
   ------------------------------------------------------------ */
.section {
  padding: 7rem 8%;
  max-width: 1320px;
  margin: 0 auto;
}

.section--narrow {
  max-width: 900px;
}

.section__title,
.cta__title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section__lead,
.cta__text {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

/* ------------------------------------------------------------
   6. Séparateurs de section
   ------------------------------------------------------------ */
.section-separator {
  max-width: 600px;
  margin: 0 auto;
  padding: 1.5rem 8%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-separator__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.55), transparent);
}

.section-separator__diamond {
  width: 9px;
  height: 9px;
  background: var(--accent-soft);
  transform: rotate(45deg);
  border-radius: 2px;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.7);
}

/* ------------------------------------------------------------
   7. Boutons
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 15px 30px;
  border-radius: 14px;
  border: 2px solid var(--accent);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:active {
  transform: scale(0.95);
}

.btn--outline {
  color: var(--accent);
  background: transparent;
  backdrop-filter: blur(8px);
}

.btn--outline:hover {
  background: var(--accent);
  color: var(--text-on-accent);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px var(--accent-glow);
}

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

.btn--secondary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-4px);
  box-shadow: 0 15px 35px var(--accent-glow);
}

.btn--sm {
  padding: 12px 24px;
  font-size: 0.9rem;
}

/* ------------------------------------------------------------
   8. Hero
   ------------------------------------------------------------ */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  gap: 2rem;
}

.hero__content {
  max-width: 900px;
  text-align: center;
}

.hero__title {
  font-size: clamp(2.7rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

.hero__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ------------------------------------------------------------
   9. Cartes (génériques)
   ------------------------------------------------------------ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(56, 189, 248, 0.08), transparent 45%);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5), 0 0 30px rgba(56, 189, 248, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

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

.card__icon,
.crm-card__icon {
  width: 96px;
  height: 96px;
  margin: 0 auto 1.25rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 2rem;
  color: var(--accent-soft);
  background: radial-gradient(circle at 30% 30%, rgba(56, 189, 248, 0.25), rgba(56, 189, 248, 0.05));
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.card__title {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-soft));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.card__desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

/* Cartes CRM */
.crm-card {
  padding-top: 3rem;
}

.crm-card__icon {
  width: 120px;
  height: 120px;
  font-size: 2.5rem;
  transition: transform var(--transition);
}

.crm-card:hover .crm-card__icon {
  transform: scale(1.1) translateY(-4px);
}

.crm-card .btn {
  margin-top: 0.5rem;
}

.crm-card__badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  padding: 5px 12px;
  border-radius: 999px;
  color: #071018;
  background: var(--accent-soft);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.crm-card__badge--soft {
  background: rgba(56, 189, 248, 0.18);
  color: var(--accent-soft);
  border: 1px solid rgba(56, 189, 248, 0.35);
}

/* ------------------------------------------------------------
   10. Frise chronologique (comment ça marche)
   ------------------------------------------------------------ */
.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
  counter-reset: step;
}

.timeline__item {
  position: relative;
  text-align: center;
  padding: 0 0.75rem;
}

.timeline__item::before {
  content: "";
  position: absolute;
  top: 24px;
  left: -12px;
  right: -12px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.4), transparent);
  z-index: -1;
}

.timeline__number {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  border-radius: 50%;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-on-accent);
  background: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* ------------------------------------------------------------
   11. Avantages
   ------------------------------------------------------------ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.75rem;
}

.feature {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition), border-color var(--transition);
}

.feature:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(56, 189, 248, 0.35);
}

.feature > i {
  font-size: 2rem;
  color: var(--accent-soft);
  margin-bottom: 1rem;
}

/* ------------------------------------------------------------
   12. Pricing
   ------------------------------------------------------------ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.75rem;
  align-items: stretch;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pricing-card__name {
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.pricing-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 1.5rem;
  color: var(--accent-soft);
  background: radial-gradient(circle at 30% 30%, rgba(56, 189, 248, 0.25), rgba(56, 189, 248, 0.05));
  border: 1px solid rgba(56, 189, 248, 0.25);
  margin-bottom: 1.25rem;
}

.pricing-card__price {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.pricing-card__amount {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--accent-soft);
  margin-bottom: 0.25rem;
}

.pricing-card__period {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pricing-card__secondary {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.pricing-card__desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.pricing-card__list {
  list-style: none;
  text-align: left;
  flex: 1;
  margin-bottom: 1.5rem;
}

.pricing-card__list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.9rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(125, 211, 252, 0.14);
}

.pricing-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 800;
}

.pricing-card--featured {
  border-color: var(--accent);
  box-shadow: var(--shadow), 0 0 40px var(--accent-glow);
}

.pricing-card--featured .btn {
  box-shadow: 0 12px 30px var(--accent-glow);
}

.pricing-card__badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  padding: 5px 12px;
  border-radius: 999px;
  color: #071018;
  background: var(--accent-soft);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ------------------------------------------------------------
   13. Témoignages
   ------------------------------------------------------------ */
.testimonial {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.testimonial__stars {
  color: var(--star-filled);
  font-size: 0.95rem;
}

.testimonial__stars i {
  margin-right: 4px;
}

.testimonial__stars .fa-regular {
  color: var(--star-empty);
}

.testimonial__quote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  flex: 1;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.testimonial__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid rgba(56, 189, 248, 0.4);
}

.testimonial__name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.testimonial__role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ------------------------------------------------------------
   14. FAQ (accordion)
   ------------------------------------------------------------ */
.faq {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq__item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 1.5rem;
  box-shadow: var(--shadow);
  transition: border-color var(--transition);
}

.faq__item:hover {
  border-color: rgba(56, 189, 248, 0.35);
}

.faq__question {
  cursor: pointer;
  list-style: none;
  padding: 1rem 2.25rem 1rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  transition: color var(--transition);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  transition: transform var(--transition);
}

.faq__item[open] .faq__question::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq__answer {
  padding: 0 0 1.25rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ------------------------------------------------------------
   15. Formulaire de contact
   ------------------------------------------------------------ */
.contact-form {
  max-width: 720px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 12px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .btn {
  width: 100%;
}

/* ------------------------------------------------------------
   16. CTA final
   ------------------------------------------------------------ */
.cta {
  padding: 7rem 8%;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.cta__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ------------------------------------------------------------
   16. Footer
   ------------------------------------------------------------ */
.footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
  padding: 4rem 8% 1.25rem;
}

.footer__grid {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}

.footer__brand-logo {
  margin-bottom: 1rem;
}

.footer__tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 380px;
}

.footer__heading {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #f8fafc;
  margin-bottom: 1rem;
}

:root[data-app-theme="light"] .footer__heading {
  color: var(--text-primary);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  color: #cbd5e1;
  font-size: 0.95rem;
}

:root[data-app-theme="light"] .footer__links a {
  color: var(--text-secondary);
}

.footer__links a:hover {
  color: var(--accent);
}

.footer__links .footer__cta {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid rgba(125, 211, 252, 0.45);
  border-radius: 10px;
  color: var(--accent);
  font-weight: 600;
}

.footer__bottom {
  max-width: 1320px;
  margin: 0 auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  color: rgba(203, 213, 225, 0.7);
  font-size: 0.82rem;
}

/* ------------------------------------------------------------
   17. Animations au scroll
   ------------------------------------------------------------ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1), transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.card-grid .animate-on-scroll:nth-child(2),
.features-grid .animate-on-scroll:nth-child(2),
.timeline .animate-on-scroll:nth-child(2) {
  transition-delay: 0.1s;
}

.card-grid .animate-on-scroll:nth-child(3),
.features-grid .animate-on-scroll:nth-child(3),
.timeline .animate-on-scroll:nth-child(3) {
  transition-delay: 0.2s;
}

.card-grid .animate-on-scroll:nth-child(4),
.features-grid .animate-on-scroll:nth-child(4),
.timeline .animate-on-scroll:nth-child(4) {
  transition-delay: 0.3s;
}

.card-grid .animate-on-scroll:nth-child(5) {
  transition-delay: 0.4s;
}

.card-grid .animate-on-scroll:nth-child(6) {
  transition-delay: 0.5s;
}

/* ------------------------------------------------------------
   18. Responsive
   ------------------------------------------------------------ */
@media (max-width: 992px) {
  .hero {
    min-height: 70vh;
  }

  .hero__title {
    font-size: 3rem;
  }

  .section {
    padding: 5rem 2rem;
  }

  .cta {
    padding: 5rem 2rem;
  }

  .navbar__links {
    gap: 1rem;
  }
}

@media (max-width: 850px) {
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 768px) {
  body {
    padding-top: 70px;
  }

  .navbar {
    padding: 12px 16px;
  }

  .navbar--scrolled {
    padding: 8px 16px;
  }

  .navbar__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--navbar-bg);
    border-top: 1px solid var(--border);
    padding: 0.5rem 1.5rem 1rem;
  }

  .navbar__links.navbar__links--open {
    display: flex;
  }

  .navbar__links a {
    width: 100%;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }

  .navbar__actions .nav-btn--outline,
  .navbar__actions .nav-btn--primary {
    display: none;
  }

  .nav-burger {
    display: grid;
  }

  .hero {
    min-height: 65vh;
  }

  .hero__title {
    font-size: clamp(2.4rem, 10vw, 3rem);
  }

  .hero__actions .btn,
  .cta__actions .btn {
    width: 100%;
  }

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

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

  .footer__bottom {
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (max-width: 520px) {
  .section,
  .cta {
    padding: 4.5rem 1.5rem;
  }

  .section-separator {
    padding: 1.25rem 8%;
  }

  .section__title,
  .cta__title {
    font-size: 2rem;
  }

  .hero {
    padding: 2.5rem 1.5rem;
  }

  .hero__subtitle {
    font-size: 1.05rem;
  }

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

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

  .footer {
    padding: 3rem 1.5rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 65vh;
  }

  .hero__title {
    font-size: 2rem;
  }
}

/* Réduction des animations pour les utilisateurs sensibles */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}