/**
 * Ekho — Landing page vitrine
 * Design moderne, mobile-first, vendeur
 * Inspiré des tendances SaaS 2024-2025 : bento grid, gradients, typographie expressive
 */

:root {
  --landing-font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --landing-primary: #0f172a;
  --landing-primary-soft: #1e293b;
  --landing-accent: #0ea5e9;
  --landing-accent-hover: #0284c7;
  --landing-accent-soft: rgba(14, 165, 233, 0.12);
  --landing-accent-soft-2: rgba(14, 165, 233, 0.06);
  --landing-text: #0f172a;
  --landing-text-muted: #475569;
  --landing-text-light: #64748b;
  --landing-surface: #f8fafc;
  --landing-surface-alt: #f1f5f9;
  --landing-border: #e2e8f0;
  --landing-white: #ffffff;
  --landing-radius: 12px;
  --landing-radius-lg: 16px;
  --landing-radius-xl: 24px;
  --landing-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --landing-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --landing-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
  --landing-transition: 0.2s ease;
  --landing-transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base --- */
.landing-body {
  margin: 0;
  padding-top: 60px;
  font-family: var(--landing-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--landing-text);
  background: var(--landing-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Header --- */
.landing-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem max(clamp(1rem, 4vw, 2.5rem), env(safe-area-inset-left)) 0.875rem max(clamp(1rem, 4vw, 2.5rem), env(safe-area-inset-right));
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--landing-border);
  transition: box-shadow var(--landing-transition);
}

.landing-header.scrolled {
  box-shadow: var(--landing-shadow);
}

.landing-logo-link {
  display: block;
  line-height: 0;
  flex-shrink: 0;
  transition: opacity var(--landing-transition);
}

.landing-logo-link:hover {
  opacity: 0.85;
}

.landing-logo {
  height: 36px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  object-position: left center;
  vertical-align: middle;
}

.landing-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  z-index: 55;
}

.landing-nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--landing-primary);
  border-radius: 1px;
  transition: transform var(--landing-transition), opacity var(--landing-transition);
}

.landing-nav-toggle[aria-expanded="true"] .landing-nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.landing-nav-toggle[aria-expanded="true"] .landing-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.landing-nav-toggle[aria-expanded="true"] .landing-nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.landing-header-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem 1rem;
  margin-left: auto;
}

.landing-nav-cta {
  font-weight: 600;
  color: var(--landing-accent-hover) !important;
}

.landing-nav-cta:hover {
  color: var(--landing-accent) !important;
}

.landing-header-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--landing-primary);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  transition: color var(--landing-transition), background var(--landing-transition);
}

.landing-header-link:hover {
  color: var(--landing-accent-hover);
  background: var(--landing-accent-soft);
}

.landing-header-sep {
  width: 1px;
  height: 1.25rem;
  background: var(--landing-border);
  margin: 0 0.5rem 0 0.25rem;
}

/* --- Menu mobile / tablette --- */
@media (max-width: 900px) {
  .landing-nav-toggle {
    display: flex;
  }

  .landing-header-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(280px, 88vw);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: max(3.5rem, calc(56px + env(safe-area-inset-top))) max(1rem, env(safe-area-inset-right)) 2rem 1.5rem;
    margin-left: 0;
    background: var(--landing-white);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
    transform: translateX(100%);
    transition: transform var(--landing-transition-slow);
    z-index: 40;
  }

  .landing-header-nav.is-open {
    transform: translateX(0);
  }

  .landing-nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 35;
  }

  .landing-header:has(.landing-header-nav.is-open) .landing-nav-backdrop {
    display: block;
  }

  .landing-header-nav .landing-header-link,
  .landing-header-nav .landing-header-btn,
  .landing-header-nav .landing-nav-cta {
    display: block;
    padding: 1rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--landing-border);
  }

  .landing-header-nav .landing-nav-cta {
    border-bottom: none;
  }

  .landing-header-nav .landing-header-sep {
    display: block;
    width: 100%;
    height: 1px;
    background: var(--landing-border);
    margin: 0.75rem 0;
    padding: 0;
    border: none;
  }

  .landing-nav-cta {
    font-weight: 700;
    color: var(--landing-accent-hover) !important;
  }

  .landing-header-nav .landing-header-btn {
    margin-top: auto;
    padding: 1rem;
    text-align: center;
    border: 1.5px solid var(--landing-border);
    border-radius: var(--landing-radius);
  }
}

/* --- Mobile optimisations globales --- */
@media (max-width: 639px) {
  .landing-body {
    padding-top: 56px;
  }
  .landing-hero-features {
    min-height: min(100vh, 100dvh);
  }
  .landing-hero {
    padding-top: clamp(1.5rem, 4vw, 2.5rem);
    padding-bottom: clamp(1rem, 3vw, 2rem);
    padding-left: max(clamp(1rem, 4vw, 2rem), env(safe-area-inset-left));
    padding-right: max(clamp(1rem, 4vw, 2rem), env(safe-area-inset-right));
  }
  .landing-hero-logo {
    height: 64px;
  }
  .landing-hero-title {
    font-size: clamp(1.625rem, 6vw, 2.25rem);
  }
  .landing-hero-cta {
    flex-direction: column;
    width: 100%;
  }
  .landing-hero-cta .landing-btn {
    width: 100%;
    justify-content: center;
  }
  .landing-features {
    padding-left: max(clamp(1rem, 4vw, 2rem), env(safe-area-inset-left));
    padding-right: max(clamp(1rem, 4vw, 2rem), env(safe-area-inset-right));
  }
  .landing-section {
    padding-left: max(clamp(1.25rem, 4vw, 2rem), env(safe-area-inset-left));
    padding-right: max(clamp(1.25rem, 4vw, 2rem), env(safe-area-inset-right));
  }
}

.landing-header-btn {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--landing-primary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1.5px solid var(--landing-text-light);
  border-radius: var(--landing-radius);
  background: var(--landing-surface);
  transition: all var(--landing-transition);
}

.landing-header-btn:hover {
  border-color: var(--landing-accent);
  color: var(--landing-accent-hover);
  background: var(--landing-accent-soft);
}


/* --- Hero + Features (section unique, 100vh adaptatif) --- */
.landing-hero-features {
  position: relative;
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

.landing-hero-video,
.landing-hero-frozen {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center;
  pointer-events: none;
}

.landing-hero-features-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 65% at 50% 48%, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.5) 45%, transparent 85%);
  pointer-events: none;
}

@media (min-width: 1024px) {
  .landing-hero-features-bg {
    background: radial-gradient(ellipse 60% 65% at 42% 48%, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.5) 45%, transparent 85%);
  }
}

/* Écrans très courts : compression supplémentaire */
@media (max-height: 600px) {
  .landing-hero-features-inner {
    gap: 0.25rem;
    padding: 0.4rem 1rem 0.6rem;
  }
  .landing-hero-features .landing-hero-logo {
    height: 36px;
    margin-bottom: 0.35rem;
  }
  .landing-hero-features .landing-hero-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    margin-bottom: 0.25rem;
  }
  .landing-hero-features .landing-hero-title {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
  }
  .landing-hero-features .landing-hero-subtitle {
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
  }
  .landing-hero-features .landing-hero-cta .landing-btn {
    min-height: 36px;
    font-size: 0.8rem;
    padding: 0.4rem 0.75rem;
  }
  .landing-hero-features .landing-features .landing-section-title {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
  }
  .landing-hero-features .landing-features-list {
    gap: 0.2rem;
    margin-bottom: 0.25rem;
  }
  .landing-hero-features .landing-feature-item {
    padding: 0.4rem 0.5rem;
    gap: 0.35rem;
  }
  .landing-hero-features .landing-feature-icon {
    width: 1.25rem;
    height: 1.25rem;
    font-size: 0.7rem;
  }
  .landing-hero-features .landing-feature-item span:last-child {
    font-size: 0.7rem;
  }
  .landing-hero-features .landing-features-note {
    font-size: 0.65rem;
    margin-top: 0.2rem;
    padding: 0.25rem 0.4rem;
  }
}

@media (max-width: 639px) {
  .landing-hero-features-inner {
    gap: clamp(0.35rem, 1.2vh, 1rem);
    padding: clamp(0.5rem, 1.5vh, 1rem) clamp(0.75rem, 3vw, 1.25rem) clamp(0.75rem, 1.5vh, 1.25rem);
  }
  .landing-hero-features-bg {
    background: radial-gradient(ellipse 65% 75% at 50% 48%, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.85) 40%, rgba(255, 255, 255, 0.55) 65%, rgba(255, 255, 255, 0.3) 90%);
  }
  .landing-hero-features .landing-hero-logo {
    height: clamp(40px, 8vh, 56px);
  }
  .landing-hero-features .landing-hero-badge {
    font-size: clamp(0.7rem, 1.6vh, 0.8125rem);
    padding: clamp(0.25rem, 0.6vh, 0.35rem) clamp(0.6rem, 2vw, 0.9rem);
    margin-bottom: clamp(0.35rem, 1vh, 0.75rem);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
  }
  .landing-hero-features .landing-hero-title {
    font-size: clamp(1.25rem, 4vh, 1.75rem);
    margin-bottom: clamp(0.35rem, 1vh, 0.75rem);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.9);
  }
  .landing-hero-features .landing-hero-subtitle {
    font-size: clamp(0.8125rem, 1.8vh, 1rem);
    margin-bottom: clamp(0.35rem, 1vh, 0.75rem);
    color: var(--landing-primary);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
  }
  .landing-hero-features .landing-hero-cta .landing-btn {
    min-height: clamp(40px, 7vh, 48px);
    font-size: clamp(0.8125rem, 1.8vh, 0.9rem);
    padding: clamp(0.5rem, 1.2vh, 0.6rem) clamp(0.875rem, 3vw, 1.25rem);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  }
  .landing-hero-features .landing-features .landing-section-title {
    font-size: clamp(1rem, 2.2vh, 1.25rem);
    margin-bottom: clamp(0.3rem, 0.8vh, 0.5rem);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
  }
  .landing-hero-features .landing-features-list {
    gap: clamp(0.25rem, 0.8vh, 0.5rem);
    margin-bottom: clamp(0.2rem, 0.6vh, 0.5rem);
  }
  .landing-hero-features .landing-feature-item {
    padding: clamp(0.5rem, 1.2vh, 0.75rem) clamp(0.6rem, 2vw, 1rem);
    gap: clamp(0.4rem, 0.8vh, 0.6rem);
    background: rgba(255, 255, 255, 0.95);
  }
  .landing-hero-features .landing-feature-icon {
    width: clamp(1.5rem, 3.5vh, 2rem);
    height: clamp(1.5rem, 3.5vh, 2rem);
    font-size: clamp(0.75rem, 1.6vh, 0.875rem);
  }
  .landing-hero-features .landing-feature-item span:last-child {
    font-size: clamp(0.75rem, 1.6vh, 0.875rem);
  }
  .landing-hero-features .landing-features-note {
    font-size: clamp(0.7rem, 1.5vh, 0.8125rem);
    margin-top: clamp(0.2rem, 0.6vh, 0.5rem);
    padding: clamp(0.3rem, 0.8vh, 0.4rem) clamp(0.4rem, 2vw, 0.75rem);
    background: rgba(255, 255, 255, 0.95);
  }
}

.landing-hero-features-inner {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  gap: clamp(0.5rem, 1.5vh, 1.5rem);
  padding: clamp(0.75rem, 2vh, 1.5rem) clamp(1rem, 3vw, 2rem) clamp(1rem, 2.5vh, 2rem);
}

.landing-hero-features .landing-hero {
  flex-shrink: 1;
  padding: clamp(0.5rem, 1.5vh, 1rem) 0;
}

.landing-hero-features .landing-hero-content {
  margin: 0 auto;
  text-align: center;
}

@media (min-width: 1024px) {
  .landing-hero-features .landing-hero-content {
    transform: translateX(-17%);
  }
}

.landing-hero-features .landing-hero-logo {
  margin-left: auto;
  margin-right: auto;
}

.landing-hero-features .landing-hero-cta {
  justify-content: center;
}

.landing-hero-features .landing-features {
  flex-shrink: 1;
  padding: clamp(0.5rem, 1.5vh, 1rem) 0 clamp(0.75rem, 2vh, 1.5rem);
}

.landing-hero-features .landing-features .landing-section-inner {
  margin: 0 auto;
  text-align: center;
}

@media (min-width: 1024px) {
  .landing-hero-features .landing-features .landing-section-inner {
    transform: translateX(-17%);
  }
}

.landing-hero-features .landing-features .landing-section-title,
.landing-hero-features .landing-features .landing-features-note {
  text-align: center;
}

.landing-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.25rem, 4vw, 2.5rem);
}

.landing-hero-content {
  position: relative;
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.landing-hero-logo {
  display: block;
  height: clamp(48px, 10vh, 80px);
  width: auto;
  margin: 0 auto clamp(0.5rem, 1.5vh, 1.25rem);
  filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.12));
}

.landing-hero-badge {
  display: inline-block;
  font-size: clamp(0.75rem, 1.8vh, 0.8125rem);
  font-weight: 600;
  color: var(--landing-accent-hover);
  background: rgba(255, 255, 255, 0.95);
  padding: clamp(0.3rem, 0.8vh, 0.4rem) clamp(0.75rem, 2vw, 1rem);
  border-radius: 999px;
  margin: 0 0 clamp(0.5rem, 1.5vh, 1.5rem);
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.landing-hero-title {
  font-size: clamp(1.5rem, 4.5vh, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--landing-primary);
  margin: 0 0 clamp(0.5rem, 1.5vh, 1.25rem);
}

.landing-hero-highlight {
  color: var(--landing-accent-hover);
}

.landing-hero-subtitle {
  font-size: clamp(0.9375rem, 2vh, 1.25rem);
  line-height: 1.45;
  color: var(--landing-text-muted);
  margin: 0 0 clamp(0.5rem, 1.5vh, 1.5rem);
  max-width: 34rem;
  margin-left: auto;
  margin-right: auto;
}

.landing-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.5rem, 1vh, 0.75rem);
  justify-content: center;
}

.landing-hero-features .landing-hero-cta .landing-btn {
  min-height: clamp(44px, 8vh, 52px);
  padding: clamp(0.6rem, 1.5vh, 0.875rem) clamp(1rem, 2vw, 1.75rem);
  font-size: clamp(0.875rem, 2vh, 1rem);
}

/* --- Buttons --- */
.landing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border-radius: var(--landing-radius);
  cursor: pointer;
  transition: all var(--landing-transition);
  -webkit-tap-highlight-color: transparent;
}

.landing-btn-primary {
  background: var(--landing-primary);
  color: var(--landing-white);
  border: none;
  box-shadow: var(--landing-shadow);
}

.landing-btn-primary:hover {
  background: var(--landing-primary-soft);
  color: var(--landing-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
}

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

.landing-btn-ghost {
  background: var(--landing-accent);
  color: var(--landing-white);
  border: 1.5px solid var(--landing-accent);
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.25);
}

.landing-btn-ghost:hover {
  background: var(--landing-accent-hover);
  color: var(--landing-white);
  border-color: var(--landing-accent-hover);
}

.landing-btn-lg {
  min-height: 52px;
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

.landing-btn-cta {
  min-height: 56px;
  padding: 1rem 2.25rem;
  font-size: 1.125rem;
}

/* --- Sections --- */
.landing-section {
  padding: clamp(1.75rem, 4vw, 2.5rem) clamp(1.25rem, 4vw, 2rem);
  scroll-margin-top: 4rem;
}

.landing-section-inner {
  max-width: 64rem;
  margin: 0 auto;
}

.landing-section-title {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--landing-primary);
  margin: 0 0 1rem;
  text-align: center;
}

/* --- Features list (Une fois le contact établi) --- */
.landing-hero-features .landing-features {
  background: transparent;
}

.landing-hero-features .landing-features .landing-section-inner {
  padding-top: clamp(0.25rem, 1vh, 1rem);
  margin-top: 0;
}

.landing-hero-features .landing-features .landing-section-title {
  font-size: clamp(1.1rem, 2.5vh, 1.75rem);
  margin-bottom: clamp(0.4rem, 1vh, 1rem);
}

.landing-hero-features .landing-features-list {
  gap: clamp(0.4rem, 1.2vh, 0.75rem);
  margin-bottom: clamp(0.25rem, 1vh, 0.75rem);
}

.landing-hero-features .landing-feature-item {
  background: rgba(255, 255, 255, 0.9);
  padding: clamp(0.6rem, 1.5vh, 1rem) clamp(0.75rem, 2vw, 1.25rem);
  gap: clamp(0.5rem, 1vh, 0.75rem);
}

.landing-hero-features .landing-feature-item span:last-child {
  font-size: clamp(0.8rem, 1.8vh, 0.9375rem);
}

.landing-hero-features .landing-feature-icon {
  width: clamp(1.75rem, 4vh, 2.25rem);
  height: clamp(1.75rem, 4vh, 2.25rem);
  font-size: clamp(0.875rem, 2vh, 1.125rem);
}

.landing-hero-features .landing-features-note {
  font-size: clamp(0.75rem, 1.6vh, 0.9375rem);
  margin-top: clamp(0.25rem, 1vh, 0.75rem);
  padding: clamp(0.35rem, 1vh, 0.5rem) clamp(0.5rem, 2vw, 1rem);
}

.landing-hero-features .landing-feature-item:hover {
  background: rgba(255, 255, 255, 0.95);
}

.landing-features {
  padding-top: clamp(0.5rem, 1.5vw, 1rem);
  padding-bottom: clamp(1.25rem, 3vw, 2rem);
}

.landing-features-list {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .landing-features-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.landing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--landing-surface);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius);
  transition: all var(--landing-transition-slow);
  border-left: 3px solid transparent;
}

.landing-feature-item:hover {
  border-color: var(--landing-accent);
  border-left-color: var(--landing-accent);
  background: var(--landing-white);
  box-shadow: var(--landing-shadow-md);
  transform: translateY(-2px);
}

.landing-feature-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  font-size: 1.125rem;
  background: var(--landing-accent-soft);
  border-radius: var(--landing-radius);
}

.landing-feature-icon-svg {
  padding: 0.35rem;
  color: var(--landing-accent-hover);
}

.landing-feature-icon-svg svg {
  display: block;
}

.landing-feature-item span:last-child {
  font-size: 0.9375rem;
  color: var(--landing-text);
  line-height: 1.45;
}

.landing-features-note {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--landing-primary);
  margin: 0.75rem auto 0;
  max-width: 36rem;
  line-height: 1.5;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
}

/* --- Pourquoi (Bénéfices) --- */
.landing-why {
  background: var(--landing-surface);
  padding-top: clamp(1.5rem, 4vw, 2rem);
}

.landing-why-subtitle {
  text-align: center;
  font-size: 1rem;
  font-weight: 500;
  color: var(--landing-text-muted);
  margin: -0.5rem 0 1.5rem;
}

.landing-why-block {
  margin-bottom: 2rem;
}

.landing-why-intro {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--landing-text-muted);
  margin: 0 0 1rem;
}

.landing-benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .landing-benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .landing-benefits-forwho .landing-benefit-card:nth-child(4) {
    grid-column: 2;
  }
}

.landing-benefit-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--landing-white);
  border-radius: var(--landing-radius-lg);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--landing-border);
  transition: all var(--landing-transition-slow);
}

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

.landing-benefit-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--landing-accent-soft);
  border-radius: var(--landing-radius);
  color: var(--landing-accent-hover);
}

.landing-benefit-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.landing-benefit-card p {
  font-size: 0.9375rem;
  color: var(--landing-text);
  margin: 0;
  line-height: 1.45;
}

.landing-highlight-block {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: left;
  background: linear-gradient(135deg, var(--landing-accent-soft) 0%, var(--landing-accent-soft-2) 100%);
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: var(--landing-radius-lg);
  padding: 1.25rem 1.5rem;
}

.landing-highlight {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--landing-primary);
  margin: 0;
  line-height: 1.5;
  max-width: 36rem;
  text-align: left;
}

.landing-highlight-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--landing-accent-hover);
  color: white;
  border-radius: 50%;
  font-size: 1.35rem;
  font-weight: 700;
  flex-shrink: 0;
  line-height: 1;
}

/* --- Comment ça marche (Steps) --- */
.landing-how {
  background: var(--landing-white);
}

.landing-steps {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 40rem;
  margin: 0 auto;
}

.landing-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--landing-surface);
  border-radius: var(--landing-radius-lg);
  border: 1px solid var(--landing-border);
  transition: all var(--landing-transition-slow);
}

.landing-step:hover {
  border-color: var(--landing-accent);
  box-shadow: var(--landing-shadow-md);
  transform: translateX(4px);
}

.landing-step-visual {
  flex-shrink: 0;
}

.landing-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--landing-accent);
  background: var(--landing-accent-soft);
  border-radius: var(--landing-radius);
}

.landing-step-content h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--landing-primary);
  margin: 0 0 0.5rem;
}

.landing-step-content p {
  font-size: 0.9375rem;
  color: var(--landing-text-muted);
  margin: 0;
  line-height: 1.55;
}

/* --- Tarifs --- */
.landing-pricing {
  background: var(--landing-surface);
}

.landing-pricing-intro {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--landing-text-muted);
  margin: 0 0 1.5rem;
}

.landing-pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 56rem;
  margin: 0 auto 1.25rem;
}

@media (min-width: 768px) {
  .landing-pricing-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

.landing-price-card {
  background: var(--landing-white);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-lg);
  padding: 1.5rem 1.5rem 1.75rem;
  transition: all var(--landing-transition-slow);
  display: flex;
  flex-direction: column;
}

.landing-price-card:hover {
  border-color: var(--landing-accent);
  box-shadow: var(--landing-shadow-md);
}

.landing-price-card-featured {
  border-color: var(--landing-accent);
  border-width: 2px;
}

.landing-price-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--landing-primary);
  margin: 0 0 0.75rem;
}

.landing-price-subtitle {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--landing-text-muted);
}

.landing-price-amount {
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.5rem;
}

.landing-price-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--landing-primary);
}

.landing-price-card-featured .landing-price-value {
  font-size: 2.25rem;
}

.landing-price-original {
  font-size: 0.9375rem;
  color: var(--landing-text-muted);
  text-decoration: line-through;
}

.landing-price-period {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--landing-text-muted);
}

.landing-price-badge-no-commit {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--landing-accent-hover);
  background: var(--landing-accent-soft);
  border-radius: 999px;
  margin-left: 0.25rem;
}

.landing-price-badge {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.4rem 1rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--landing-accent-hover);
  background: var(--landing-accent-soft);
  border: 1px solid rgba(14, 165, 233, 0.35);
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.15);
}

.landing-price-features {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9375rem;
  color: var(--landing-text-muted);
  line-height: 1.5;
}

.landing-price-features li {
  padding: 0.25rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.landing-price-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--landing-accent-hover);
  font-weight: 700;
  font-size: 0.8rem;
}

.landing-pricing-legal {
  font-size: 0.75rem;
  color: var(--landing-text-light);
  margin: 0 0 0.5rem;
  text-align: center;
}

.landing-pricing-delivery {
  font-size: 0.75rem;
  color: var(--landing-text-light);
  margin: 0;
  text-align: center;
}

/* --- CTA Section --- */
.landing-cta-section {
  padding: clamp(2rem, 5vw, 3rem) clamp(1.25rem, 4vw, 2rem);
}

.landing-cta-card {
  max-width: 40rem;
  margin: 0 auto;
  text-align: center;
  padding: clamp(2rem, 5vw, 2.75rem) clamp(1.5rem, 4vw, 2rem);
  background: var(--landing-white);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-lg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--landing-transition-slow);
}

.landing-cta-card:hover {
  box-shadow: 0 12px 40px rgba(14, 165, 233, 0.12);
}

.landing-cta-card h2 {
  font-size: clamp(1.375rem, 2.5vw, 1.625rem);
  font-weight: 700;
  color: var(--landing-primary);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.landing-cta-card > p {
  font-size: 0.9375rem;
  color: var(--landing-text-muted);
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

.landing-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin: 2rem 0 1rem;
}

.landing-cta-card .landing-btn-primary {
  background: var(--landing-primary);
  color: var(--landing-white);
}

.landing-cta-card .landing-btn-primary:hover {
  background: var(--landing-primary-soft);
  color: var(--landing-white);
}

.landing-cta-hint {
  font-size: 0.875rem;
  color: var(--landing-text-muted);
  margin: 0;
}

.landing-cta-hint a {
  color: var(--landing-accent-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.landing-cta-hint a:hover {
  color: var(--landing-accent);
}

/* --- Footer --- */
.landing-footer {
  padding: 2rem max(clamp(1.25rem, 4vw, 2.5rem), env(safe-area-inset-left)) max(2rem, env(safe-area-inset-bottom)) max(clamp(1.25rem, 4vw, 2.5rem), env(safe-area-inset-right));
  text-align: center;
  background: var(--landing-surface-alt);
  border-top: 1px solid var(--landing-border);
}

.landing-footer p {
  margin: 0.25rem 0;
  font-size: 0.875rem;
  color: var(--landing-text-muted);
}

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

.landing-footer a:hover {
  text-decoration: underline;
}

.landing-footer-copy {
  margin-top: 0.75rem !important;
  font-size: 0.8125rem !important;
  opacity: 0.75;
}

/* ========== OPTIMISATION SMARTPHONE (max-width: 639px) ========== */
@media (max-width: 639px) {
  /* Base & header */
  .landing-body {
    padding-top: max(56px, env(safe-area-inset-top));
  }
  .landing-header {
    padding: 0.75rem max(1rem, env(safe-area-inset-left)) 0.75rem max(1rem, env(safe-area-inset-right));
  }
  .landing-logo {
    height: 32px;
  }
  .landing-nav-toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
  }

  /* Sections : padding réduit, typo adaptée */
  .landing-section {
    padding-top: clamp(1.5rem, 5vw, 2rem);
    padding-bottom: clamp(1.5rem, 5vw, 2rem);
  }
  .landing-section-title {
    font-size: clamp(1.2rem, 5vw, 1.5rem);
    line-height: 1.25;
    margin-bottom: 0.75rem;
  }

  /* Bénéfices / Why */
  .landing-why-subtitle {
    font-size: 0.9375rem;
    margin: -0.35rem 0 1.25rem;
  }
  .landing-why-intro {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
  }
  .landing-why-block {
    margin-bottom: 1.5rem;
  }
  .landing-benefit-card {
    padding: 1rem 1.1rem;
    gap: 0.75rem;
  }
  .landing-benefit-card p {
    font-size: 0.875rem;
    line-height: 1.4;
  }
  .landing-benefit-icon {
    width: 2.25rem;
    height: 2.25rem;
  }
  .landing-benefit-icon svg {
    width: 1.1rem;
    height: 1.1rem;
  }
  .landing-benefits-grid {
    gap: 0.75rem;
    margin-bottom: 1rem;
  }
  .landing-benefits-forwho .landing-benefit-card:nth-child(4) {
    grid-column: 1;
  }

  /* Highlight block */
  .landing-highlight-block {
    padding: 1rem 1rem;
  }
  .landing-highlight {
    font-size: 0.875rem;
    gap: 0.75rem;
  }
  .landing-highlight-icon {
    width: 2rem;
    height: 2rem;
    font-size: 1.1rem;
  }

  /* Fonctionnement (Steps) */
  .landing-step {
    padding: 1rem 1rem;
    gap: 1rem;
  }
  .landing-step-num {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.1rem;
  }
  .landing-step-content h3 {
    font-size: 1rem;
  }
  .landing-step-content p {
    font-size: 0.875rem;
    line-height: 1.5;
  }

  /* Tarifs */
  .landing-pricing-intro {
    font-size: 0.8125rem;
    margin-bottom: 1rem;
  }
  .landing-price-card {
    padding: 1.25rem 1rem 1.5rem;
  }
  .landing-price-title {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }
  .landing-price-value {
    font-size: 1.5rem;
  }
  .landing-price-card-featured .landing-price-value {
    font-size: 1.75rem;
  }
  .landing-price-period {
    font-size: 0.875rem;
  }
  .landing-price-badge-no-commit {
    font-size: 0.65rem;
    padding: 0.15rem 0.5rem;
  }
  .landing-price-features {
    font-size: 0.875rem;
  }
  .landing-price-features li {
    padding: 0.2rem 0;
    padding-left: 1.1rem;
  }
  .landing-pricing-delivery,
  .landing-pricing-legal {
    font-size: 0.7rem;
    line-height: 1.4;
  }

  /* CTA */
  .landing-cta-section {
    padding: 1.5rem 1rem;
  }
  .landing-cta-card {
    padding: 1.5rem 1rem;
  }
  .landing-cta-card h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
  }
  .landing-cta-card > p {
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
  }
  .landing-cta-buttons {
    margin: 1.5rem 0 1rem;
    gap: 0.75rem;
  }
  .landing-cta-buttons .landing-btn {
    width: 100%;
    min-height: 48px;
  }
  .landing-cta-hint {
    font-size: 0.8125rem;
  }

  /* Footer */
  .landing-footer {
    padding: 1.5rem max(1rem, env(safe-area-inset-left)) max(1.5rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-right));
  }
  .landing-footer p {
    font-size: 0.8125rem;
  }

  /* Boutons : zones tactiles 44px min */
  .landing-btn {
    min-height: 48px;
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
  }
  .landing-btn-cta {
    min-height: 48px;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-feature-item:hover,
  .landing-benefit-card:hover,
  .landing-step:hover {
    transform: none;
  }
}

/* --- Responsive: Tablet --- */
@media (min-width: 640px) {
  .landing-benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Responsive: Desktop --- */
@media (min-width: 768px) {
  .landing-logo {
    height: 38px;
  }

  .landing-benefit-card {
    padding: 1.5rem 1.75rem;
  }

  .landing-step {
    padding: 1.25rem 1.5rem;
  }

  .landing-step-num {
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
  }
}