/* ============================================================
   DI — entreprisedi.tech
   Design System : Bleu Nuit architectural, Bleu Roi & surfaces
   claires alternées. Typographie éditoriale + précision logicielle.
   ============================================================ */

:root {
  /* Surfaces sombres */
  --bg-abyss: #070B14;
  --bg-footer: #05080F;
  --bg-navy: #0B1120;
  --bg-elevated: #0F172A;
  --bg-surface: #131C31;
  --bg-surface-hover: #19243E;

  /* Surfaces claires */
  --surface-light: #F8FAFC;
  --surface-light-alt: #F1F5F9;
  --surface-white: #FFFFFF;

  /* Accents DI */
  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-electric: #3B82F6;
  --accent-ice: #60A5FA;
  --accent-soft: rgba(37, 99, 235, 0.14);
  --accent-glow: rgba(59, 130, 246, 0.28);

  /* Textes */
  --text-light: #F8FAFC;
  --text-slate: #94A3B8;
  --text-slate-dim: #94A3B8;
  --text-ink: #0F172A;
  --text-ink-muted: #475569;

  /* Bordures hairline */
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-dark-strong: rgba(255, 255, 255, 0.16);
  --border-light: rgba(15, 23, 42, 0.10);
  --border-light-strong: rgba(15, 23, 42, 0.18);

  /* Statuts YEM & SLA */
  --status-emerald: #10B981;
  --status-emerald-fg: #34D399;
  --status-blue: #3B82F6;
  --status-blue-fg: #60A5FA;
  --status-amber: #F59E0B;
  --status-amber-fg: #FBBF24;
  --status-crimson: #EF4444;
  --status-crimson-fg: #F87171;

  /* Typographie */
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Courbes & Layout */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 76px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  background: var(--bg-abyss);
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-light);
  background: var(--bg-abyss);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

img {
  height: auto;
}

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

button, input {
  font: inherit;
  color: inherit;
}

code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  padding: 0.12em 0.42em;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border-dark);
  color: var(--text-light);
}

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

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---------- Accessibilité : lien d'évitement ---------- */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--surface-white);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

/* ---------- Progressive Enhancement (.reveal -> .in-view) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}

.js .reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.d1 { transition-delay: 0.06s; }
.d2 { transition-delay: 0.12s; }
.d3 { transition-delay: 0.18s; }
.d4 { transition-delay: 0.24s; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease,
    transform 0.25s var(--ease-out),
    box-shadow 0.25s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: var(--surface-white);
  border-color: rgba(59, 130, 246, 0.45);
  box-shadow: 0 10px 28px -10px rgba(37, 99, 235, 0.65);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-ice);
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -10px rgba(37, 99, 235, 0.78);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-light);
  border-color: var(--border-dark-strong);
}

.btn-ghost:hover {
  background: rgba(59, 130, 246, 0.10);
  border-color: var(--accent-electric);
  color: var(--surface-white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.65rem 1.15rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-whatsapp {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 0.95rem;
  white-space: normal;
  text-align: center;
}

/* ============================================================
   En-tête sticky glassmorphism
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1.15rem 0;
  border-bottom: 1px solid transparent;
  transition:
    background-color 0.35s ease,
    border-color 0.35s ease,
    padding 0.35s ease,
    backdrop-filter 0.35s ease;
}

.site-header.is-scrolled {
  padding: 0.75rem 0;
  background: rgba(7, 11, 20, 0.86);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom-color: var(--border-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  object-fit: cover;
  background: var(--bg-elevated);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-light);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--text-slate);
  margin-top: 0.12rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 1.8vw, 1.8rem);
}

.site-nav a {
  position: relative;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-slate);
  white-space: nowrap;
  transition: color 0.25s ease;
}

.site-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 1px;
  background: var(--accent-electric);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.site-nav a:not(.nav-cta):hover {
  color: var(--text-light);
}

.site-nav a:not(.nav-cta):hover::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 0.58rem 1.05rem;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.16);
  border: 1px solid rgba(59, 130, 246, 0.48);
  color: var(--text-light) !important;
  font-weight: 600 !important;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    transform 0.25s var(--ease-out) !important;
}

.nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent-electric);
  color: var(--surface-white) !important;
  transform: translateY(-1px);
}

.menu-btn {
  display: none;
  width: 42px;
  height: 40px;
  padding: 0;
  place-items: center;
  align-content: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dark-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.menu-btn span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-light);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s ease;
}

.menu-btn.is-open span:first-child,
.menu-btn[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.menu-btn.is-open span:last-child,
.menu-btn[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* ============================================================
   Hero (#top)
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(3rem, 5.5vw, 5rem)) 0 clamp(4.25rem, 6.5vw, 6.25rem);
  background:
    radial-gradient(ellipse 60% 55% at 82% 28%, rgba(37, 99, 235, 0.18), transparent 72%),
    radial-gradient(ellipse 50% 45% at 15% 15%, rgba(59, 130, 246, 0.08), transparent 70%),
    linear-gradient(180deg, var(--bg-abyss) 0%, var(--bg-navy) 100%);
  border-bottom: 1px solid var(--border-dark);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, black 20%, transparent 80%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem;
  margin-bottom: 1.6rem;
  border-radius: 9999px;
  background: rgba(37, 99, 235, 0.10);
  border: 1px solid rgba(59, 130, 246, 0.30);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ice);
}

.badge-dot,
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--status-emerald);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.55);
  animation: diPulse 2.4s infinite;
  flex-shrink: 0;
}

.badge-dot {
  background: var(--accent-electric);
  box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.55);
}

@keyframes diPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.45);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(59, 130, 246, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
  }
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.45rem, 4.6vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--surface-white);
}

.hero-accent {
  font-style: italic;
  color: var(--accent-ice);
  font-weight: 400;
}

.hero-lead {
  margin-top: 1.65rem;
  max-width: 54ch;
  font-size: clamp(1rem, 1.25vw, 1.125rem);
  line-height: 1.72;
  color: var(--text-slate);
}

.hero-lead strong {
  color: var(--text-light);
  font-weight: 600;
}

.hero-actions {
  margin-top: 2.15rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-metrics {
  margin-top: 2.75rem;
  padding-top: 1.85rem;
  border-top: 1px solid var(--border-dark);
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.hero-metrics strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--surface-white);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

.hero-metrics span {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-slate);
}

/* ---------- Console d'architecture Hero ---------- */
.hero-console {
  position: relative;
  min-width: 0;
  background: linear-gradient(180deg, rgba(19, 28, 49, 0.92) 0%, rgba(11, 17, 32, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow:
    0 32px 80px -24px rgba(0, 0, 0, 0.78),
    0 0 60px -24px rgba(37, 99, 235, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-dark);
}

.console-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-slate);
}

.console-pulse {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.30);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--status-emerald-fg);
  white-space: nowrap;
}

.console-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
  margin-top: 1rem;
  padding: 0.3rem;
  border-radius: var(--radius-md);
  background: rgba(7, 11, 20, 0.75);
  border: 1px solid var(--border-dark);
}

.console-tab {
  padding: 0.55rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-slate);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.console-tab:hover {
  color: var(--text-light);
}

.console-tab.is-active {
  background: rgba(37, 99, 235, 0.22);
  border-color: rgba(59, 130, 246, 0.50);
  color: var(--surface-white);
  font-weight: 600;
}

.arch-diagram {
  margin-top: 1.1rem;
  display: flex;
  flex-direction: column;
}

.arch-node {
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(7, 11, 20, 0.72);
  border: 1px solid var(--border-dark);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.arch-node-core {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14) 0%, rgba(15, 23, 42, 0.9) 100%);
  border-color: rgba(59, 130, 246, 0.45);
}

.arch-node-output {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.10) 0%, rgba(15, 23, 42, 0.9) 100%);
  border-color: rgba(16, 185, 129, 0.34);
}

.arch-node-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  color: var(--accent-ice);
  margin-bottom: 0.28rem;
}

.arch-node-output .arch-node-label {
  color: var(--status-emerald-fg);
}

.arch-node-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--surface-white);
  line-height: 1.35;
}

.arch-node-meta {
  display: block;
  margin-top: 0.22rem;
  font-size: 0.8rem;
  color: var(--text-slate);
}

.arch-connector {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 30px;
}

.connector-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.55), rgba(59, 130, 246, 0.2));
}

.connector-pill {
  position: relative;
  z-index: 1;
  padding: 0.12rem 0.6rem;
  border-radius: 9999px;
  background: var(--bg-elevated);
  border: 1px solid rgba(59, 130, 246, 0.35);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  color: var(--accent-ice);
}

.console-foot {
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.console-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-slate);
}

.console-link {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-ice);
  transition: color 0.2s ease;
}

.console-link:hover {
  color: var(--surface-white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ============================================================
   Sections & Alternance de Surfaces
   ============================================================ */
section[id] {
  scroll-margin-top: var(--header-h);
}

.section {
  padding: clamp(4.5rem, 8vw, 7.25rem) 0;
  position: relative;
}

.surface-dark {
  background: var(--bg-navy);
  color: var(--text-light);
}

.surface-elevated {
  background: var(--bg-elevated);
  color: var(--text-light);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.surface-abyss {
  background:
    radial-gradient(ellipse 65% 50% at 50% 0%, rgba(37, 99, 235, 0.14), transparent 70%),
    var(--bg-abyss);
  color: var(--text-light);
}

.surface-light {
  background: var(--surface-light);
  color: var(--text-ink);
}

.surface-light code {
  background: var(--surface-light-alt);
  border-color: var(--border-light);
  color: var(--text-ink);
}

.section-header {
  margin-bottom: clamp(2.5rem, 4.5vw, 3.75rem);
}

.section-header-split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.section-header-copy {
  flex: 1 1 560px;
}

.section-label {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-ice);
}

.surface-light .section-label {
  color: var(--accent);
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2rem, 3.8vw, 3.15rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 24ch;
  color: var(--surface-white);
}

.surface-light .section-title {
  color: var(--text-ink);
}

.section-intro {
  margin-top: 1.25rem;
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.72;
  color: var(--text-slate);
}

.surface-light .section-intro {
  color: var(--text-ink-muted);
}

.section-intro strong {
  color: var(--text-ink);
  font-weight: 600;
}

.surface-dark .section-intro strong,
.surface-elevated .section-intro strong,
.surface-abyss .section-intro strong {
  color: var(--surface-white);
}

/* ============================================================
   01 — Philosophie (#philosophie)
   ============================================================ */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.compare-card {
  background: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  box-shadow: 0 10px 30px -18px rgba(15, 23, 42, 0.12);
}

.compare-after {
  border-color: rgba(37, 99, 235, 0.42);
  box-shadow:
    0 20px 44px -22px rgba(37, 99, 235, 0.25),
    inset 0 3px 0 0 var(--accent);
}

.compare-badge {
  display: inline-block;
  padding: 0.32rem 0.75rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 1.1rem;
}

.badge-muted {
  background: var(--surface-light-alt);
  border: 1px solid var(--border-light);
  color: var(--text-ink-muted);
}

.badge-accent {
  background: rgba(37, 99, 235, 0.10);
  border: 1px solid rgba(37, 99, 235, 0.28);
  color: var(--accent-hover);
}

.compare-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-ink);
  margin-bottom: 1.35rem;
}

.compare-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.compare-list li {
  position: relative;
  padding-left: 1.65rem;
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--text-ink-muted);
}

.compare-list li strong {
  color: var(--text-ink);
  font-weight: 600;
}

.compare-before .compare-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  color: #94A3B8;
}

.compare-after .compare-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--accent);
}

/* Signaux Bento */
.signals-block {
  margin-top: clamp(3rem, 5vw, 4.5rem);
}

.signals-heading {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-ink);
  margin-bottom: 1.5rem;
}

.bento-grid {
  display: grid;
  gap: 1.35rem;
}

.bento-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.bento-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  transition: transform 0.35s var(--ease-out), border-color 0.25s ease, box-shadow 0.35s ease;
}

.surface-light .bento-card {
  background: var(--surface-white);
  border: 1px solid var(--border-light);
}

.surface-light .bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 20px 40px -24px rgba(15, 23, 42, 0.18);
}

.bento-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.bento-card h4,
.bento-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.7rem;
}

.surface-light .bento-card h4 {
  color: var(--text-ink);
}

.signal-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.22rem;
  line-height: 1.35;
  color: var(--text-ink);
  margin-bottom: 0.75rem;
}

.surface-light .bento-card p:not(.signal-quote) {
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--text-ink-muted);
}

/* ============================================================
   02 — YEM & Simulateur 4 Voies (#yem)
   ============================================================ */
.yem-cta-box {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}

.yem-cta-note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-slate);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.35rem;
  margin-bottom: 2.5rem;
}

.pillar-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.25s ease, transform 0.3s var(--ease-out);
}

.pillar-card:hover {
  border-color: rgba(59, 130, 246, 0.42);
  transform: translateY(-3px);
}

.pillar-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--accent-ice);
  margin-bottom: 0.85rem;
}

.pillar-card h3 {
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--surface-white);
  margin-bottom: 0.65rem;
  line-height: 1.35;
}

.pillar-card p {
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--text-slate);
}

/* ---------- Simulateur Interactif YEM ---------- */
.simulator {
  background: var(--bg-abyss);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px -28px rgba(0, 0, 0, 0.75);
}

.simulator-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.4rem 1.75rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-dark);
}

.simulator-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent-ice);
  margin-bottom: 0.3rem;
}

.simulator-instruction {
  font-size: 0.95rem;
  color: var(--text-slate);
}

.simulator-env {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dark-strong);
  color: var(--text-slate);
  white-space: nowrap;
}

.simulator-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: rgba(15, 23, 42, 0.55);
  border-bottom: 1px solid var(--border-dark);
}

.sim-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  background: rgba(7, 11, 20, 0.65);
  color: var(--text-slate);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s var(--ease-out);
}

.sim-tab:hover {
  color: var(--text-light);
  border-color: var(--border-dark-strong);
}

.sim-tab.is-active {
  color: var(--surface-white);
  font-weight: 600;
}

.sim-tab.is-active[data-tone="emerald"] {
  background: rgba(16, 185, 129, 0.14);
  border-color: rgba(16, 185, 129, 0.50);
}

.sim-tab.is-active[data-tone="blue"] {
  background: rgba(59, 130, 246, 0.16);
  border-color: rgba(59, 130, 246, 0.55);
}

.sim-tab.is-active[data-tone="amber"] {
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.50);
}

.sim-tab.is-active[data-tone="crimson"] {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.52);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-emerald { background: var(--status-emerald); box-shadow: 0 0 8px rgba(16, 185, 129, 0.6); }
.dot-blue    { background: var(--status-blue);    box-shadow: 0 0 8px rgba(59, 130, 246, 0.6); }
.dot-amber   { background: var(--status-amber);   box-shadow: 0 0 8px rgba(245, 158, 11, 0.6); }
.dot-crimson { background: var(--status-crimson); box-shadow: 0 0 8px rgba(239, 68, 68, 0.6); }

.simulator-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  border-top: 2px solid transparent;
  transition: border-color 0.25s ease;
}

.simulator-body[data-tone="emerald"] { border-top-color: var(--status-emerald); }
.simulator-body[data-tone="blue"]    { border-top-color: var(--status-blue); }
.simulator-body[data-tone="amber"]   { border-top-color: var(--status-amber); }
.simulator-body[data-tone="crimson"] { border-top-color: var(--status-crimson); }

.sim-pane {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.sim-pane-email {
  border-right: 1px solid var(--border-dark);
  background: rgba(11, 17, 32, 0.45);
}

.sim-pane-action {
  background: rgba(15, 23, 42, 0.25);
}

.sim-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-slate);
}

.sim-timestamp {
  color: var(--text-slate-dim);
}

.email-meta {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-dark);
}

.meta-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 0.5rem;
  font-size: 0.86rem;
  align-items: baseline;
}

.meta-key {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-slate-dim);
}

.meta-val {
  color: var(--text-light);
  word-break: break-word;
}

.email-body {
  padding: 1.05rem 1.2rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
  border-left: 2px solid rgba(59, 130, 246, 0.55);
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--text-light);
}

.ai-diagnostic {
  margin-top: auto;
  padding: 1.1rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-dark);
}

.ai-diag-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-bottom: 0.85rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-slate);
}

.sla-pill,
.pathway-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.72rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
}

.tone-emerald {
  background: rgba(16, 185, 129, 0.14);
  border-color: rgba(16, 185, 129, 0.36);
  color: var(--status-emerald-fg);
}

.tone-blue {
  background: rgba(59, 130, 246, 0.14);
  border-color: rgba(59, 130, 246, 0.38);
  color: var(--status-blue-fg);
}

.tone-amber {
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.38);
  color: var(--status-amber-fg);
}

.tone-crimson {
  background: rgba(239, 68, 68, 0.14);
  border-color: rgba(239, 68, 68, 0.40);
  color: var(--status-crimson-fg);
}

.ai-diag-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.diag-full {
  grid-column: 1 / -1;
}

.diag-key {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-slate-dim);
  margin-bottom: 0.2rem;
}

.diag-val {
  display: block;
  font-size: 0.87rem;
  color: var(--text-light);
  line-height: 1.45;
}

.action-explainer {
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--text-slate);
}

/* Checklist interactive Voie 2 */
.sim-checklist-wrap {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.30);
}

.checklist-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-ice);
  margin-bottom: 0.75rem;
}

.checklist-items {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(7, 11, 20, 0.65);
  border: 1px solid var(--border-dark);
  font-size: 0.88rem;
  color: var(--text-light);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.check-item:hover {
  border-color: rgba(59, 130, 246, 0.45);
  background: rgba(19, 28, 49, 0.8);
}

.check-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

/* Zone brouillon */
.draft-box {
  border-radius: var(--radius-md);
  background: var(--bg-abyss);
  border: 1px solid var(--border-dark-strong);
  overflow: hidden;
}

.draft-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-dark);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-light);
}

.draft-mode {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--accent-ice);
}

.draft-content {
  padding: 1.05rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  line-height: 1.62;
  color: var(--text-light);
  white-space: pre-wrap;
  max-height: 250px;
  overflow-y: auto;
}

.sim-action-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.sim-feedback {
  font-size: 0.84rem;
  color: var(--status-emerald-fg);
  line-height: 1.45;
}

/* ============================================================
   03 — Tarifs YEM (#tarifs-yem)
   ============================================================ */
.billing-toggle-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 2.75rem;
}

.billing-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem;
  border-radius: 9999px;
  background: var(--bg-abyss);
  border: 1px solid var(--border-dark-strong);
}

.billing-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.62rem 1.2rem;
  border-radius: 9999px;
  border: 1px solid transparent;
  background: transparent;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-slate);
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.billing-btn:hover {
  color: var(--text-light);
}

.billing-btn.is-active {
  background: var(--accent);
  border-color: rgba(96, 165, 250, 0.45);
  color: var(--surface-white);
  font-weight: 600;
}

.discount-pill {
  padding: 0.16rem 0.55rem;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.40);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--status-emerald-fg);
}

.billing-btn.is-active .discount-pill {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--surface-white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--bg-navy);
  border: 1px solid var(--border-dark);
  transition: transform 0.3s var(--ease-out), border-color 0.25s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-dark-strong);
}

.pricing-featured {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.16) 0%, var(--bg-navy) 46%);
  border-color: rgba(59, 130, 246, 0.68);
  box-shadow:
    0 24px 60px -20px rgba(37, 99, 235, 0.38),
    0 0 0 1px rgba(59, 130, 246, 0.22);
}

.pricing-featured:hover {
  border-color: var(--accent-ice);
}

.plan-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.28rem 0.85rem;
  border-radius: 9999px;
  background: var(--accent);
  border: 1px solid rgba(147, 197, 253, 0.55);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--surface-white);
  white-space: nowrap;
  box-shadow: 0 8px 20px -6px rgba(37, 99, 235, 0.75);
}

.plan-head h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--surface-white);
  letter-spacing: -0.015em;
}

.plan-subtitle {
  margin-top: 0.35rem;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text-slate);
  min-height: 2.5em;
}

.plan-price {
  margin-top: 1.35rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  font-variant-numeric: tabular-nums;
}

.price-amount {
  display: inline-block;
  font-size: clamp(1.38rem, 1.8vw, 1.68rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--surface-white);
  line-height: 1.2;
}

.price-period {
  font-size: 0.86rem;
  color: var(--text-slate);
  margin-left: 0.2rem;
}

.price-note {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--text-slate);
  min-height: 2.1em;
}

.is-annual .pricing-card:not([data-plan="essai"]) .price-note {
  color: var(--status-emerald-fg);
}

.plan-features {
  list-style: none;
  margin: 1.4rem 0 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.72rem;
  flex: 1;
}

.plan-features li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-light);
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--accent-ice);
}

.pricing-featured .plan-features li::before {
  color: var(--status-emerald-fg);
}

.plan-cta {
  width: 100%;
  margin-top: auto;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
}

.pricing-footer-note {
  margin-top: 2.25rem;
  text-align: center;
  font-size: 0.92rem;
  color: var(--text-slate);
}

.pricing-footer-note a {
  color: var(--accent-ice);
  font-weight: 500;
  margin-left: 0.35rem;
}

.pricing-footer-note a:hover {
  color: var(--surface-white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ============================================================
   04 — Automatismes sur Mesure & AutoResto (#automatismes)
   ============================================================ */
.sector-explorer {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sector-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.sector-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.72rem 1.15rem;
  border-radius: 9999px;
  border: 1px solid var(--border-light-strong);
  background: var(--surface-white);
  color: var(--text-ink-muted);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease;
}

.sector-tab:hover {
  border-color: var(--accent);
  color: var(--text-ink);
}

.sector-tab.is-active {
  background: var(--bg-elevated);
  border-color: var(--bg-elevated);
  color: var(--surface-white);
  font-weight: 600;
  box-shadow: 0 10px 24px -12px rgba(15, 23, 42, 0.45);
}

.tab-tag {
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sector-tab.is-active .tab-tag {
  background: var(--accent);
  color: var(--surface-white);
}

.sector-panels {
  position: relative;
}

.js .sector-card:not(.is-active) {
  display: none;
}

.sector-card {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(1.75rem, 3.8vw, 3.25rem);
  align-items: center;
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  border-radius: var(--radius-lg);
  background: var(--surface-white);
  border: 1px solid var(--border-light);
  box-shadow: 0 18px 46px -26px rgba(15, 23, 42, 0.16);
}

.sector-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.sector-copy h3 {
  font-size: clamp(1.32rem, 2.2vw, 1.7rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-ink);
  margin-bottom: 1.25rem;
}

.sector-problem {
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  background: var(--surface-light);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--accent);
  margin-bottom: 1.25rem;
}

.problem-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-hover);
  margin-bottom: 0.35rem;
}

.sector-problem p {
  font-size: 0.94rem;
  line-height: 1.62;
  color: var(--text-ink-muted);
}

.sector-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.68rem;
  margin-bottom: 1.65rem;
}

.sector-points li {
  position: relative;
  padding-left: 1.45rem;
  font-size: 0.95rem;
  line-height: 1.58;
  color: var(--text-ink);
}

.sector-points li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--accent);
}

.sector-cta {
  white-space: normal;
  text-align: center;
}

/* Panneau de flux 3 nœuds (bleu nuit architectural sur fond clair) */
.sector-workflow {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-abyss) 100%);
  border: 1px solid rgba(15, 23, 42, 0.25);
  color: var(--text-light);
  box-shadow: 0 22px 50px -24px rgba(15, 23, 42, 0.45);
}

.workflow-node {
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dark);
}

.workflow-node-di {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18) 0%, rgba(19, 28, 49, 0.85) 100%);
  border-color: rgba(59, 130, 246, 0.48);
}

.workflow-node-result {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.14) 0%, rgba(19, 28, 49, 0.85) 100%);
  border-color: rgba(16, 185, 129, 0.38);
}

.node-step {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  color: var(--accent-ice);
  margin-bottom: 0.25rem;
}

.workflow-node-result .node-step {
  color: var(--status-emerald-fg);
}

.workflow-node strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--surface-white);
  line-height: 1.35;
}

.workflow-node span:not(.node-step) {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.82rem;
  color: var(--text-slate);
}

.workflow-arrow {
  text-align: center;
  padding: 0.28rem 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-ice);
}

.workflow-metric {
  margin-top: 1.1rem;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.10);
  border: 1px solid rgba(16, 185, 129, 0.28);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--status-emerald-fg);
  text-align: center;
}

/* ============================================================
   05 — Ingénierie & Garanties (#methode)
   ============================================================ */
.guarantee-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-dark);
  overflow: hidden;
}

.guarantee-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-electric), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.guarantee-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.42);
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.65);
}

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

.surface-dark .guarantee-card .bento-index {
  color: var(--accent-ice);
}

.guarantee-card h3 {
  color: var(--surface-white);
}

.guarantee-card p {
  font-size: 0.95rem;
  line-height: 1.68;
  color: var(--text-slate);
}

.guarantee-card p strong {
  color: var(--surface-white);
  font-weight: 600;
}

/* Frise des 3 étapes */
.steps-timeline {
  list-style: none;
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.35rem;
}

.step-item {
  position: relative;
  padding: 1.65rem;
  border-radius: var(--radius-lg);
  background: rgba(7, 11, 20, 0.65);
  border: 1px solid var(--border-dark);
}

.step-code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--status-emerald-fg);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.10);
  border: 1px solid rgba(16, 185, 129, 0.26);
  margin-bottom: 0.9rem;
}

.step-item h4 {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--surface-white);
  margin-bottom: 0.5rem;
}

.step-item p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-slate);
}

/* ============================================================
   06 — Configurateur WhatsApp & Contact (#contact)
   ============================================================ */
.contact-builder {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 2rem;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 30px 70px -28px rgba(0, 0, 0, 0.75);
}

.builder-controls {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.builder-field {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.field-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ice);
}

.choice-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}

.choice-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  width: 100%;
  padding: 0.9rem 1.05rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  background: rgba(7, 11, 20, 0.65);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s var(--ease-out);
}

.choice-btn strong {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-light);
}

.choice-btn span {
  font-size: 0.84rem;
  color: var(--text-slate);
}

.choice-btn:hover {
  border-color: rgba(59, 130, 246, 0.45);
  background: rgba(19, 28, 49, 0.75);
}

.choice-btn.is-active {
  background: rgba(37, 99, 235, 0.18);
  border-color: var(--accent-electric);
  box-shadow: inset 3px 0 0 var(--accent-electric);
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-btn,
.size-btn {
  padding: 0.52rem 0.95rem;
  border-radius: 9999px;
  border: 1px solid var(--border-dark-strong);
  background: rgba(7, 11, 20, 0.65);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-slate);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.pill-btn:hover,
.size-btn:hover {
  color: var(--text-light);
  border-color: var(--accent-electric);
}

.pill-btn.is-active,
.size-btn.is-active {
  background: var(--accent);
  border-color: var(--accent-electric);
  color: var(--surface-white);
  font-weight: 600;
}

.builder-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-abyss);
  border: 1px solid var(--border-dark-strong);
  font-size: 0.94rem;
  color: var(--surface-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.builder-input::placeholder {
  color: var(--text-slate-dim);
}

.builder-input:focus {
  outline: none;
  border-color: var(--accent-electric);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.22);
}

/* Panneau d'aperçu WhatsApp */
.builder-preview {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: var(--bg-abyss);
  border: 1px solid rgba(59, 130, 246, 0.34);
  align-self: stretch;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-slate);
}

.preview-phone {
  color: var(--status-emerald-fg);
}

.preview-bubble {
  flex: 1;
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.26);
  border-left: 3px solid var(--status-emerald);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.68;
  color: var(--text-light);
  word-break: break-word;
}

.preview-hint {
  font-size: 0.8rem;
  color: var(--text-slate);
  text-align: center;
}

/* Canaux directs sous le configurateur */
.direct-channels {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.channel-item {
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-dark);
}

.channel-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-slate-dim);
  margin-bottom: 0.35rem;
}

.channel-item a,
.channel-item span:not(.channel-label) {
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--text-light);
}

.channel-item a {
  color: var(--accent-ice);
  transition: color 0.2s ease;
}

.channel-item a:hover {
  color: var(--surface-white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ============================================================
   Pied de page & Bouton WhatsApp flottant
   ============================================================ */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border-dark);
  padding: 3.25rem 0 2.25rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.75rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-dark);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  object-fit: cover;
  flex-shrink: 0;
}

.footer-brand strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--surface-white);
}

.footer-brand span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-slate);
  margin-top: 0.15rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  font-size: 0.86rem;
  color: var(--text-slate);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--surface-white);
}

.footer-direct {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-slate-dim);
}

.footer-direct a {
  color: var(--text-slate);
  transition: color 0.2s ease;
}

.footer-direct a:hover {
  color: var(--accent-ice);
}

.footer-copy {
  padding-top: 1.5rem;
  font-size: 0.82rem;
  color: var(--text-slate-dim);
  text-align: center;
}

/* Bouton flottant WhatsApp */
.floating-wa {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.78rem 1.15rem;
  border-radius: 9999px;
  background: var(--bg-elevated);
  border: 1px solid rgba(59, 130, 246, 0.58);
  color: var(--surface-white);
  font-size: 0.86rem;
  font-weight: 600;
  box-shadow: 0 16px 38px -10px rgba(0, 0, 0, 0.72), 0 0 24px -8px rgba(37, 99, 235, 0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition:
    opacity 0.3s ease,
    transform 0.3s var(--ease-out),
    background-color 0.25s ease,
    border-color 0.25s ease;
}

.floating-wa svg {
  color: var(--status-emerald-fg);
  flex-shrink: 0;
}

.floating-wa.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.floating-wa:hover {
  background: var(--accent);
  border-color: var(--accent-ice);
  transform: translateY(-2px);
}

.floating-wa:hover svg {
  color: var(--surface-white);
}

/* ============================================================
   Responsive (1024px / 768px / 480px)
   ============================================================ */
@media (max-width: 1120px) {
  .brand-sub {
    display: none;
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.75rem;
  }

  .hero-lead {
    max-width: 60ch;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.1rem 1.5rem;
  }

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

  .simulator-body {
    grid-template-columns: 1fr;
  }

  .sim-pane-email {
    border-right: none;
    border-bottom: 1px solid var(--border-dark);
  }

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

  .contact-builder {
    grid-template-columns: 1fr;
  }

  .bento-3,
  .pillars-grid,
  .steps-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .menu-btn {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(7, 11, 20, 0.98);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-dark);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--ease-out);
  }

  .site-nav.is-open {
    max-height: 460px;
  }

  .site-nav a {
    padding: 0.95rem 2rem;
    border-top: 1px solid var(--border-dark);
    font-size: 0.95rem;
  }

  .site-nav a::after {
    display: none;
  }

  .nav-cta {
    margin: 0.85rem 2rem 1.25rem;
    text-align: center;
    border-radius: var(--radius-md);
  }
}

@media (max-width: 768px) {
  .wrap {
    padding: 0 1.25rem;
  }

  .site-nav a {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .nav-cta {
    margin-left: 1.25rem;
    margin-right: 1.25rem;
  }

  .hero {
    padding-top: calc(var(--header-h) + 2rem);
  }

  .hero-metrics,
  .compare-grid,
  .bento-3,
  .bento-2,
  .pillars-grid,
  .steps-timeline,
  .direct-channels,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    gap: 2.15rem;
  }

  .plan-subtitle,
  .price-note {
    min-height: 0;
  }

  .simulator-header,
  .simulator-tabs,
  .sim-pane {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .simulator-tabs {
    grid-template-columns: 1fr;
  }

  .sim-tab {
    justify-content: flex-start;
    text-align: left;
  }

  .ai-diag-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .console-tabs {
    grid-template-columns: 1fr;
  }

  .billing-toggle {
    flex-direction: column;
    border-radius: var(--radius-lg);
    width: 100%;
  }

  .billing-btn {
    width: 100%;
    justify-content: center;
  }

  .sector-tabs {
    display: grid;
    grid-template-columns: 1fr;
  }

  .sector-tab {
    justify-content: space-between;
  }

  .floating-wa {
    right: 1rem;
    bottom: 1rem;
    padding: 0.85rem;
  }

  .floating-wa-label {
    display: none;
  }
}

/* ============================================================
   Préférence de réduction de mouvement
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .badge-dot,
  .pulse-dot {
    animation: none;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}