/* ═══════════════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════════════ */
:root {
  --bg-base:     #0d1117;
  --bg-surface:  #161b22;
  --bg-elevated: #1c2330;
  --bg-card:     #1a2130;

  --text-primary:   #e6edf3;
  --text-secondary: #7d8590;
  --text-muted:     #484f58;

  --cyan:        #00e5ff;
  --cyan-dim:    rgba(0,229,255,0.15);
  --cyan-glow:   rgba(0,229,255,0.08);
  --cyan-border: rgba(0,229,255,0.18);
  --violet:      #a855f7;
  --violet-dim:  rgba(168,85,247,0.12);

  --border-subtle: rgba(255,255,255,0.06);
  --border-ui:     rgba(255,255,255,0.1);

  --radius-card: 12px;
  --radius-sm:   8px;
  --radius-pill: 999px;

  --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Cascadia Code', 'Consolas', 'SF Mono', monospace;

  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-6: 48px;
  --sp-8: 64px;
}

/* ═══════════════════════════════════════════════
   RESET & BASE
═══════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--cyan); }
::selection { background: var(--cyan-dim); color: var(--cyan); }

/* SKIP LINK */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: 8px 16px;
  background: var(--cyan);
  color: var(--bg-base);
  font-weight: 700;
  font-size: 0.85rem;
  z-index: 9999;
  border-radius: 0 0 var(--radius-sm) 0;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ═══════════════════════════════════════════════
   HUD GRID BACKGROUND
═══════════════════════════════════════════════ */
.hud-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.hud-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}
.hud-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 70%,
    rgba(13,17,23,0.95) 100%
  );
}

/* SCANLINES */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.04) 2px,
    rgba(0,0,0,0.04) 4px
  );
  animation: scanMove 12s linear infinite;
  opacity: 0.5;
}
@keyframes scanMove {
  from { background-position: 0 0; }
  to   { background-position: 0 100px; }
}

/* ═══════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  background: rgba(13,17,23,0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color 0.3s;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo-mark {
  width: 30px; height: 30px;
  border: 1px solid var(--cyan-border);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.6rem;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--cyan);
  background: var(--cyan-glow);
  flex-shrink: 0;
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 6px;
  box-shadow: 0 0 8px var(--cyan-dim);
  pointer-events: none;
}

nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s;
  position: relative;
}
nav a:hover { color: var(--text-primary); }

.cta-header {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  padding: 7px 16px !important;
  background: var(--cyan-dim) !important;
  border: 1px solid var(--cyan-border) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--cyan) !important;
  font-size: 0.72rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.06em;
  transition: background 0.2s, box-shadow 0.2s !important;
}
.cta-header:hover {
  background: rgba(0,229,255,0.22) !important;
  box-shadow: 0 0 16px var(--cyan-dim) !important;
  color: var(--cyan) !important;
}

/* MOBILE MENU */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1100;
  border: none;
  background: none;
}
.hamburger span {
  width: 22px; height: 1.5px;
  background: var(--text-primary);
  display: block;
  transition: 0.3s;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px,4.5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px,-4.5px); }

.slide-panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 280px;
  background: var(--bg-surface);
  border-left: 1px solid var(--cyan-border);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 80px var(--sp-4) var(--sp-4);
  gap: var(--sp-3);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1);
  box-shadow: -20px 0 60px rgba(0,0,0,0.5);
}
.slide-panel.open { transform: translateX(0); }
.slide-panel a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color 0.2s;
}
.slide-panel a:last-child { border-bottom: none; }
.slide-panel a:hover { color: var(--cyan); }

.panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  border: none;
  cursor: pointer;
}
.panel-overlay.open { opacity: 1; pointer-events: all; }

/* ═══════════════════════════════════════════════
   SECTION BASE
═══════════════════════════════════════════════ */
section { padding: var(--sp-8) 4vw; position: relative; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--sp-6);
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 20px; height: 1px;
  background: var(--cyan);
}
.section-label::after {
  content: attr(data-index);
  font-size: 0.6rem;
  color: var(--text-muted);
}

.section-title {
  font-size: clamp(2.2rem, 4.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--sp-6);
  position: relative;
  display: inline-block;
}

.section-title .cyan-line {
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  margin-top: 8px;
  width: 0;
  transition: width 1s cubic-bezier(0.16,1,0.3,1);
}
.section-title.line-revealed .cyan-line { width: 100%; }

/* REVEAL SYSTEM */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ═══════════════════════════════════════════════
   STATUS PILLS
═══════════════════════════════════════════════ */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px 5px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--cyan-border);
  background: var(--cyan-glow);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  white-space: nowrap;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
.status-dot.violet {
  background: var(--violet);
  animation-delay: 0.5s;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,229,255,0.5); opacity:1; }
  50%      { box-shadow: 0 0 0 4px rgba(0,229,255,0); opacity:0.7; }
}

/* METRIC CHIPS */
.metric-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-top: var(--sp-3);
}
.chip {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-ui);
  background: rgba(255,255,255,0.03);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 100px;
  padding-bottom: 80px;
  overflow: hidden;
}

.hero-status-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-bottom: var(--sp-6);
  opacity: 0;
  animation: fadeUp 0.7s 0.2s ease forwards;
}

.hero-title {
  font-size: clamp(3.5rem, 8vw, 8.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-4);
  max-width: 900px;
}

.hero-title .line {
  display: block;
  overflow: hidden;
}
.hero-title .line-inner {
  display: block;
  transform: translateY(105%);
  animation: revealLine 0.85s cubic-bezier(0.16,1,0.3,1) forwards;
}
.hero-title .line:nth-child(1) .line-inner { animation-delay: 0.35s; color: var(--text-primary); }
.hero-title .line:nth-child(2) .line-inner { animation-delay: 0.52s; color: var(--text-primary); }
.hero-title .line:nth-child(3) .line-inner {
  animation-delay: 0.69s;
  color: var(--cyan);
  position: relative;
}

/* GLITCH on hover */
.hero-title .line:nth-child(3) .line-inner {
  cursor: default;
}
.hero-title .line:nth-child(3) .line-inner:hover {
  animation: revealLine 0s forwards, glitch 0.25s steps(2) forwards;
}
@keyframes glitch {
  0%   { text-shadow: 2px 0 var(--violet), -2px 0 var(--cyan); transform: none; }
  20%  { text-shadow: -2px 0 var(--violet), 2px 0 var(--cyan); transform: skewX(-1deg); }
  40%  { text-shadow: 2px 2px var(--violet), -1px 0 var(--cyan); transform: skewX(0.5deg); }
  60%  { text-shadow: -1px 0 var(--violet), 1px 0 var(--cyan); transform: none; }
  80%  { text-shadow: 1px -1px var(--violet), -1px 1px var(--cyan); transform: skewX(-0.5deg); }
  100% { text-shadow: none; transform: none; }
}

.hero-sub {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 500px;
  line-height: 1.75;
  margin-bottom: var(--sp-6);
  opacity: 0;
  animation: fadeUp 0.7s 1.1s ease forwards;
}

.hero-ctas {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s 1.3s ease forwards;
  margin-bottom: var(--sp-4);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--cyan);
  color: var(--bg-base);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--cyan);
  transition: box-shadow 0.2s, transform 0.2s;
}
.btn-primary:hover {
  box-shadow: 0 0 24px rgba(0,229,255,0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-ui);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.btn-secondary:hover {
  border-color: var(--cyan-border);
  background: var(--cyan-glow);
  transform: translateY(-2px);
}

.hero-deco {
  position: absolute;
  right: 4vw;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(6rem, 14vw, 16rem);
  font-weight: 900;
  font-family: var(--font-mono);
  color: rgba(0,229,255,0.025);
  line-height: 1;
  user-select: none;
  pointer-events: none;
  letter-spacing: -0.05em;
}

/* TICKER */
.ticker-wrap {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 36px;
  border-top: 1px solid var(--cyan-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  background: rgba(0,229,255,0.03);
}
.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: ticker 32s linear infinite;
}
.ticker-item {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 2rem;
}
.ticker-item .sep {
  color: var(--cyan);
  margin: 0 1rem;
  opacity: 0.5;
}

/* ═══════════════════════════════════════════════
   PILLARS
═══════════════════════════════════════════════ */
#pillars {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.pillars-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4vw;
  margin-bottom: var(--sp-8);
  align-items: end;
}
.pillars-intro-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.pillar-card {
  background: var(--bg-card);
  padding: var(--sp-6) var(--sp-4);
  transition: background 0.3s, box-shadow 0.3s;
  cursor: default;
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
.pillar-card:hover { background: var(--bg-elevated); }
.pillar-card:hover::before { transform: scaleX(1); }

.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--cyan);
  letter-spacing: 0.15em;
  margin-bottom: var(--sp-3);
  opacity: 0.7;
}
.pillar-name {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: var(--sp-2);
  letter-spacing: -0.01em;
}
.pillar-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════════ */
#services {
  border-top: 1px solid var(--border-subtle);
}
.services-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 6vw;
  align-items: start;
}
.services-sticky {
  position: sticky;
  top: 80px;
}
.services-sticky .section-title { margin-bottom: var(--sp-3); }
.services-sticky p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: var(--sp-4);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--sp-4);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  cursor: default;
}
.service-card:hover {
  border-color: var(--cyan-border);
  box-shadow: 0 0 24px var(--cyan-glow), 0 8px 32px rgba(0,0,0,0.3);
  transform: translateY(-3px);
}

.service-index {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  color: var(--cyan);
  margin-bottom: var(--sp-2);
  opacity: 0.8;
}
.service-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--sp-1);
  letter-spacing: -0.01em;
}
.service-desc {
  color: var(--text-secondary);
  font-size: 0.83rem;
  line-height: 1.7;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--sp-2);
}
.tag {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-ui);
  background: rgba(255,255,255,0.03);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════
   IA
═══════════════════════════════════════════════ */
#ia {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.ia-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4vw;
  margin-bottom: var(--sp-8);
  align-items: end;
}
.ia-header-right {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  padding-left: var(--sp-4);
  border-left: 2px solid var(--cyan-border);
}

.ia-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-2);
  margin-bottom: var(--sp-8);
}
.ia-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--sp-3) var(--sp-3);
  transition: border-color 0.3s, box-shadow 0.3s;
  cursor: default;
}
.ia-card:hover {
  border-color: var(--cyan-border);
  box-shadow: 0 0 16px var(--cyan-glow);
}
.ia-card-index {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: rgba(0,229,255,0.12);
  line-height: 1;
  margin-bottom: var(--sp-2);
}
.ia-card-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}
.ia-card-desc {
  color: var(--text-secondary);
  font-size: 0.79rem;
  line-height: 1.65;
}

/* 3-col variant for "Cas d'usage concrets" */
.ia-cards--3col {
  grid-template-columns: repeat(3, 1fr);
}

.ia-process-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: 10px;
}
.ia-process-label::before {
  content: '';
  display: inline-block;
  width: 20px; height: 1px;
  background: var(--cyan);
}

.ia-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-2);
  position: relative;
}
.ia-process::before {
  content: '';
  position: absolute;
  top: 21px; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-border), transparent);
  z-index: 0;
}

.process-step {
  text-align: center;
  padding: 0 var(--sp-2);
  position: relative;
  z-index: 1;
}
.step-dot {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--cyan-border);
  background: var(--bg-surface);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--cyan);
  font-weight: 700;
  transition: box-shadow 0.3s;
}
.process-step:hover .step-dot {
  box-shadow: 0 0 16px var(--cyan-dim);
}
.step-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--sp-1);
  letter-spacing: -0.01em;
}
.step-desc {
  color: var(--text-secondary);
  font-size: 0.79rem;
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════
   MÉTHODE
═══════════════════════════════════════════════ */
#methode {
  border-top: 1px solid var(--border-subtle);
}
.methode-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 6vw;
  align-items: start;
}
.methode-sticky {
  position: sticky;
  top: 80px;
}
.methode-sticky .section-title { margin-bottom: var(--sp-3); }
.methode-sticky p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.75;
}

.timeline {
  padding-left: var(--sp-4);
  border-left: 1px solid var(--border-ui);
}
.timeline-item {
  padding: 0 0 var(--sp-6) var(--sp-4);
  position: relative;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px; top: 7px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-ui);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.timeline-item:hover::before {
  border-color: var(--cyan);
  box-shadow: 0 0 8px var(--cyan-dim);
}
.timeline-phase {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
  opacity: 0.8;
}
.timeline-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: var(--sp-1);
  letter-spacing: -0.01em;
}
.timeline-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════
   RÉASSURANCE
═══════════════════════════════════════════════ */
#reassurance {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}
.reassurance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-2);
}
.reassurance-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--sp-4);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.reassurance-item:hover {
  border-color: var(--cyan-border);
  box-shadow: 0 0 20px var(--cyan-glow);
}
.reassurance-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--cyan-border);
  background: var(--cyan-glow);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--sp-3);
}
.reassurance-icon svg {
  width: 18px; height: 18px;
  stroke: var(--cyan);
  fill: none;
  stroke-width: 1.5;
}
.reassurance-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--sp-1);
}
.reassurance-desc {
  color: var(--text-secondary);
  font-size: 0.83rem;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════ */
#contact {
  border-top: 1px solid var(--border-subtle);
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 6vw;
}
.contact-info .section-title { margin-bottom: var(--sp-4); }
.contact-detail { margin-bottom: var(--sp-4); }
.contact-detail-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
  opacity: 0.8;
}
.contact-detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  transition: color 0.2s;
}
a.contact-detail-value:hover { color: var(--cyan); }

.contact-form {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--sp-6);
}
.form-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--sp-4);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--sp-2);
}
.form-group label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-base);
  border: 1px solid var(--border-ui);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 14px;
  font-family: var(--font);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan-border);
  box-shadow: 0 0 0 3px var(--cyan-glow);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group select option { background: var(--bg-surface); }

.btn-form {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 28px;
  background: var(--cyan);
  color: var(--bg-base);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
  margin-top: var(--sp-1);
}
.btn-form:hover:not(:disabled) {
  box-shadow: 0 0 24px rgba(0,229,255,0.4);
  transform: translateY(-2px);
}
.btn-form:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Form feedback */
.form-feedback {
  margin-top: var(--sp-2);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  display: none;
}
.form-feedback.success {
  background: rgba(0,229,255,0.08);
  border: 1px solid var(--cyan-border);
  color: var(--cyan);
  display: block;
}
.form-feedback.error {
  background: rgba(248,81,73,0.08);
  border: 1px solid rgba(248,81,73,0.3);
  color: #f85149;
  display: block;
}
/* Honeypot hidden */
.hp-field { display: none !important; visibility: hidden !important; position: absolute !important; }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--sp-4) 4vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
  background: var(--bg-surface);
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}
.footer-legal {
  display: flex;
  gap: var(--sp-3);
}
.footer-legal a {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.footer-legal a:hover { color: var(--cyan); }

/* ═══════════════════════════════════════════════
   ANIMATIONS KEYFRAMES
═══════════════════════════════════════════════ */
@keyframes revealLine {
  to { transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */

@media (max-width: 1100px) {
  .services-layout,
  .methode-layout,
  .contact-layout { grid-template-columns: 1fr; }
  .services-sticky,
  .methode-sticky { position: static; }
  .ia-cards { grid-template-columns: repeat(3, 1fr); }
  .ia-cards--3col { grid-template-columns: repeat(3, 1fr); }
  .ia-process { grid-template-columns: repeat(2, 1fr); }
  .ia-process::before { display: none; }
  .pillars-intro,
  .ia-header { grid-template-columns: 1fr; }
  .reassurance-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  nav { display: none; }
  .hamburger { display: flex; }
  .cta-header { display: none !important; }
  section { padding: 64px 4vw; }
  .pillars-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .ia-cards { grid-template-columns: 1fr 1fr; }
  .ia-cards--3col { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; align-items: flex-start; }
  .hero-deco { display: none; }
}

@media (max-width: 480px) {
  .ia-cards { grid-template-columns: 1fr; }
  .ia-cards--3col { grid-template-columns: 1fr; }
  .ia-process { grid-template-columns: 1fr; }
  .reassurance-grid { grid-template-columns: 1fr; }
  .contact-form { padding: var(--sp-4); }
  .hero-status-row { flex-direction: column; align-items: flex-start; }
}

/* LEGAL PAGES */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding-top: 80px;
}
.legal-content h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--sp-2);
  color: var(--text-primary);
}
.legal-content .legal-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-6);
}
.legal-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-2);
  color: var(--text-primary);
}
.legal-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: var(--sp-2);
}
.legal-content a {
  color: var(--cyan);
  text-decoration: none;
}
.legal-content a:hover { text-decoration: underline; }
.legal-content .back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--sp-6);
  font-size: 0.83rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.legal-content .back-link:hover { color: var(--cyan); }

/* 404 PAGE */
.not-found {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 4vw;
}
.not-found-code {
  font-family: var(--font-mono);
  font-size: clamp(5rem, 15vw, 12rem);
  font-weight: 900;
  color: rgba(0,229,255,0.08);
  line-height: 1;
  margin-bottom: var(--sp-4);
}
.not-found h1 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--sp-2);
}
.not-found p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--sp-6);
}