/* ==========================================================
   EQUILIBRE — Landing page · palette bleu/gris/blanc
   Hero sombre avec animation réseau · corps clair éditorial
   ========================================================== */

/* ============== POLICES (auto-hébergées, variables) ============== */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 200 700;
  font-display: swap;
  src: url('assets/fonts/inter-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('assets/fonts/jetbrains-mono-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --white:   #FFFFFF;
  --off:     #F5F7FA;
  --cream:   #ECEEF2;
  --grey-1:  #E2E6ED;
  --grey-2:  #C5CCD6;
  --grey-3:  #8892A0;
  --grey-4:  #4A5568;
  --grey-5:  #2D3748;

  --blue-1:  #DCE6F3;
  --blue-2:  #9DB4D0;
  --blue-3:  #5B7BA3;
  --blue-4:  #3A5680;
  --blue-5:  #1E3A5F;
  --blue-6:  #0F1E33;

  --ink:     #0A0F1A;

  --fb: 'Inter', 'Calibri', system-ui, sans-serif;

  --w: 1320px;
  --pad: clamp(20px, 4vw, 48px);
  --sec: clamp(80px, 10vw, 140px);
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: var(--fb);
  color: var(--grey-5);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

::selection { background: var(--blue-4); color: #fff; }

:focus-visible {
  outline: 2px solid var(--blue-3);
  outline-offset: 3px;
  border-radius: 2px;
}
.btn:focus-visible,
.hero-chevron:focus-visible,
.burger:focus-visible {
  outline: 2px solid var(--blue-2);
  outline-offset: 3px;
}

.wrap { width: 100%; max-width: var(--w); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: all .25s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--blue-5); transform: translateY(-1px); }
.btn-primary-light { background: #fff; color: var(--blue-6); }
.btn-primary-light:hover { background: var(--blue-1); }
.btn-outline { border: 1px solid currentColor; }
.btn-outline-light { border: 1px solid rgba(255,255,255,0.3); color: #fff; padding: 14px 26px; }
.btn-outline-light:hover { background: rgba(255,255,255,0.08); }
.btn-outline-header { border: 1px solid rgba(255,255,255,0.3); color: #fff; padding: 10px 20px; font-size: 13px; }
.btn-outline-header:hover { background: rgba(255,255,255,0.1); }
.btn-block { width: 100%; justify-content: center; }

/* ============== HEADER ============== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 0;
  background: transparent;
  transition: background .3s var(--ease), padding .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
  color: #fff;
}
.site-header.scrolled {
  background: rgba(15,30,51,0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 14px 0;
  border-bottom-color: rgba(255,255,255,0.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.brand {
  display: inline-flex; align-items: center;
}
.brand img { height: 48px; width: auto; }
.nav-primary { flex: 1; }
.nav-primary ul { display: flex; justify-content: center; gap: 36px; }
.nav-primary a {
  font-size: 13.5px; font-weight: 400; letter-spacing: 0.02em;
  opacity: 0.82; transition: opacity .2s;
}
.nav-primary a:hover { opacity: 1; }

.burger { display: none; width: 28px; height: 28px; flex-direction: column; justify-content: center; gap: 5px; }
.burger span { display: block; height: 1.5px; width: 22px; background: currentColor; transition: transform .3s, opacity .3s; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--blue-6);
  padding: 24px var(--pad) 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu a {
  display: block; padding: 14px 0;
  font-size: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: #fff;
}

/* ============== HERO ============== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  background: radial-gradient(ellipse 80% 60% at 30% 40%, #16273F 0%, var(--blue-6) 60%);
  color: #fff;
  padding: clamp(96px, 14vh, 180px) 0 clamp(72px, 10vh, 120px);
  display: flex; align-items: center;
  overflow: hidden;
}
#hero-canvas {
  position: absolute; inset: 0; width: 100% !important; height: 100% !important;
  z-index: 1;
  display: block;
}
.hero-inner { position: relative; z-index: 3; max-width: 1080px; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-2);
  margin-bottom: 40px;
}
.hero-eyebrow .bar { display: block; width: 32px; height: 1px; background: var(--blue-2); }
.hero-eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue-2);
  box-shadow: 0 0 0 4px rgba(157,180,208,0.2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 4px rgba(157,180,208,0.2); }
  50% { box-shadow: 0 0 0 8px rgba(157,180,208,0.05); }
}

.hero-title {
  font-weight: 200;
  font-size: clamp(40px, 6vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 40px;
  max-width: 1200px;
}
.hero-title b { font-weight: 500; white-space: nowrap; }

.hero-lead {
  max-width: 820px;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.55;
  color: #B8CAE0;
  margin-bottom: 48px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-chevron {
  position: absolute;
  bottom: 40px;
  left: 50%;
  z-index: 4;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  border: 1px solid rgba(220,232,245,0.28);
  border-radius: 999px;
  background: rgba(15,30,51,0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background .3s var(--ease), border-color .3s var(--ease);
  overflow: visible;
  transform: translateX(-50%);
  animation: chevron-bob 2.4s infinite var(--ease);
}
.hero-chevron .chevron-ring {
  position: absolute; inset: -1px;
  border-radius: 999px;
  border: 1px solid rgba(220,232,245,0.55);
  opacity: 0;
  animation: chevron-ring 2.4s infinite var(--ease);
  pointer-events: none;
}
.hero-chevron .chevron-arrow { display: block; }
.hero-chevron:hover {
  background: rgba(220,232,245,0.12);
  border-color: rgba(220,232,245,0.65);
  animation-play-state: paused;
}
@keyframes chevron-bob {
  0%,100% { transform: translateX(-50%) translateY(-3px); }
  50%     { transform: translateX(-50%) translateY(4px); }
}
@keyframes chevron-ring {
  0%   { transform: scale(1);    opacity: 0.55; }
  80%  { transform: scale(1.6);  opacity: 0; }
  100% { transform: scale(1.6);  opacity: 0; }
}

/* ============== STATS ============== */
.stats {
  background: var(--white);
  color: var(--blue-6);
  padding: 96px 0 56px;
}
.stats-head {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 56px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.stats-kicker { color: var(--blue-5); font-weight: 500; position: relative; padding-left: 20px; }
.stats-kicker::before {
  content: '';
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-3);
  box-shadow: 0 0 0 3px rgba(91,123,163,0.18);
  animation: pulse-k 2.4s infinite;
}
.stats-rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--grey-1), transparent);
}
.stats-year { color: var(--grey-4); font-weight: 500; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: clamp(24px, 4vw, 56px);
  row-gap: 48px;
}
.stat {
  position: relative;
  padding: 4px 0 4px 22px;
  display: flex; flex-direction: column;
}
.stat::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue-3), transparent 85%);
  transition: background .4s var(--ease);
}
.stat:hover::before {
  background: linear-gradient(to bottom, var(--blue-5), var(--blue-3) 50%, transparent 95%);
}
.stat-label {
  font-size: 11px;
  color: var(--blue-4);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 20px;
  min-height: 2.2em;
  display: flex; align-items: flex-start;
}
.stat-num {
  font-weight: 200;
  font-size: clamp(52px, 6.2vw, 88px);
  line-height: 1;
  color: var(--blue-6);
  letter-spacing: -0.04em;
  display: flex; align-items: baseline; gap: 6px;
  font-feature-settings: 'tnum' 1;
}
.stat-num .unit {
  font-size: 0.3em;
  color: var(--blue-4);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-left: 4px;
}
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .stats-grid { grid-template-columns: 1fr; row-gap: 36px; }
}

/* ============== MANIFESTO ============== */
.manifesto {
  position: relative;
  padding: clamp(32px, 4vw, 56px) 0 var(--sec);
  background: var(--white);
  overflow: hidden;
}

.manifesto-head {
  text-align: center;
  margin-bottom: 72px;
}
.manifesto-kicker {
  display: inline-flex; align-items: center; gap: 16px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue-4);
}
.manifesto-kicker::before,
.manifesto-kicker::after {
  content: '';
  width: clamp(40px, 6vw, 72px);
  height: 1px;
  background: var(--grey-2);
}
.manifesto-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 96px);
  max-width: 1120px;
  margin: 0 auto;
}
.manifesto-col {
  position: relative;
  padding-left: 24px;
}
.manifesto-col::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue-3), transparent 90%);
}
.manifesto-col-alt::before {
  background: linear-gradient(to bottom, var(--grey-2), transparent 90%);
}
.manifesto-col h3 {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-3);
  font-weight: 500;
  margin-bottom: 24px;
}
.manifesto-col-alt h3 { color: var(--grey-3); }
.manifesto-col p {
  font-weight: 300;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.6;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.manifesto-col p b {
  font-weight: 500;
  color: var(--blue-5);
}
.manifesto-col-alt p {
  color: var(--grey-4);
}
@media (max-width: 900px) {
  .manifesto-cols { grid-template-columns: 1fr; gap: 48px; }
}

/* ============== TECHNOLOGIE ============== */
.section-lead {
  max-width: 980px;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.65;
  color: var(--grey-4);
}
.techno-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: start;
}
.techno-copy { display: flex; flex-direction: column; gap: 36px; }
.techno-intro {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 720px);
  gap: 14px;
  padding: 36px 40px;
  background: linear-gradient(135deg, #fff 0%, rgba(220,232,245,0.35) 100%);
  border: 1px solid var(--grey-1);
  border-radius: 14px;
  overflow: hidden;
}
.techno-intro::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--blue-3), var(--blue-5));
}
.techno-badge {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 600;
  color: var(--blue-6);
  padding: 7px 14px;
  border: 1px solid var(--blue-2);
  border-radius: 999px;
  background: #fff;
}
.techno-badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-4);
  box-shadow: 0 0 0 3px rgba(58,86,128,0.15);
}
.techno-subtitle {
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}
.techno-body {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--grey-5);
  margin: 0;
  max-width: 640px;
}
.techno-body b { color: var(--ink); font-weight: 600; }
.techno-frame {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  align-items: stretch;
}
.techno-element {
  position: relative;
  background: linear-gradient(160deg, var(--blue-5) 0%, var(--blue-6) 100%);
  color: #fff;
  border-radius: 14px;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.techno-element::after {
  content: '';
  position: absolute;
  inset: auto -40% -60% auto;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(157,180,208,0.18), transparent 65%);
  pointer-events: none;
}
.techno-element-top {
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--blue-2);
  margin-bottom: auto;
}
.techno-element-tag { text-transform: none; }
.techno-element-num { opacity: 0.6; }
.techno-element-symbol {
  font-size: 92px;
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.05em;
  margin: 28px 0 10px;
  color: #fff;
  position: relative; z-index: 1;
}
.techno-element-name {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-2);
  font-weight: 500;
  margin-bottom: 24px;
  position: relative; z-index: 1;
}
.techno-element-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(157,180,208,0.18);
  margin: 0;
  position: relative; z-index: 1;
}
.techno-element-meta div { display: flex; flex-direction: column; gap: 4px; }
.techno-element-meta dt {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-2);
  font-weight: 500;
  margin: 0;
}
.techno-element-meta dd {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: #fff;
  letter-spacing: -0.01em;
}
.techno-specs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
}
.techno-spec {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--grey-1);
  border-radius: 12px;
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.techno-spec:hover {
  border-color: var(--blue-2);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -16px rgba(30,58,95,0.18);
}
.techno-spec-ico {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--blue-1);
  color: var(--blue-5);
  flex: none;
}
.techno-spec-ico svg { width: 20px; height: 20px; }
.techno-spec h4 {
  margin: 0 0 4px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.techno-spec p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--grey-4);
}
.techno-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--grey-1);
  border: 1px solid var(--grey-1);
}
.techno-stat {
  background: var(--white);
  padding: 28px 24px 24px;
  display: flex; flex-direction: column;
  min-height: 130px;
}
.techno-stat-num {
  font-weight: 200;
  font-size: clamp(36px, 3.6vw, 48px);
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.techno-stat-label {
  font-size: 13.5px;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 2px;
}
.techno-stat-sub {
  font-size: 12.5px;
  color: var(--grey-4);
  line-height: 1.4;
}

/* ============== RTE QUOTE ============== */
.rte-quote-section {
  background: var(--white);
  padding: 88px 0 56px;
}
.rte-quote {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}
.rte-quote-mark {
  width: 32px; height: 24px;
  color: var(--blue-2);
  margin-bottom: 28px;
}
.rte-quote-text {
  margin: 0;
  font-family: 'Inter', sans-serif;
  font-style: italic;
  font-weight: 300;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.rte-quote-cite {
  margin-top: 32px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink);
  font-weight: 500;
  padding: 10px 22px;
  background: var(--off);
  border-radius: 999px;
  border: 1px solid var(--grey-1);
}
.rte-quote-cite b {
  color: var(--blue-6);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
}
.rte-quote-rule {
  display: inline-block;
  width: 1px; height: 14px;
  background: var(--grey-2);
}

/* ============== SECTIONS ============== */
.section { padding: var(--sec) 0; background: var(--white); }
.section-alt { background: var(--off); }

.section-head { margin-bottom: 72px; max-width: 900px; }
#technologie .section-head { max-width: 1200px; }
.section-head-row {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: end;
  max-width: none;
}
.section-head-row .section-aside {
  font-size: 15px;
  color: var(--grey-4);
  line-height: 1.7;
}

/* Section "Références de projets" — header redesigné */
.projets-head {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 64px;
  align-items: end;
  max-width: none;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--grey-1);
}
.projets-head-main { display: flex; flex-direction: column; gap: 0; }
.projets-headline {
  margin-top: 28px;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 300;
  color: var(--grey-4);
  line-height: 1.45;
  letter-spacing: -0.005em;
  max-width: 620px;
}
.projets-headline b {
  color: var(--ink);
  font-weight: 500;
}
.projets-head-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-left: 44px;
  border-left: 2px solid var(--blue-2);
}
.projets-head-aside .section-aside {
  font-size: 14px;
  color: var(--grey-4);
  line-height: 1.7;
  margin: 0;
}
.projets-head-aside .section-aside strong { color: var(--blue-5); font-weight: 500; }
@media (max-width: 900px) {
  .projets-head { grid-template-columns: 1fr; gap: 28px; align-items: start; }
  .projets-head-aside { padding-left: 18px; }
}
.section-kicker {
  display: inline-block;
  position: relative;
  padding-left: 20px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue-5);
  font-weight: 500;
  margin-bottom: 28px;
}
.section-kicker::before {
  content: '';
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-3);
  box-shadow: 0 0 0 3px rgba(91,123,163,0.18);
  animation: pulse-k 2.4s infinite;
}
@keyframes pulse-k {
  0%,100% { box-shadow: 0 0 0 3px rgba(91,123,163,0.18); }
  50%     { box-shadow: 0 0 0 6px rgba(91,123,163,0.04); }
}
.section-title {
  font-weight: 300;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.section-title b { font-weight: 500; color: var(--blue-5); }

/* ============== PILLARS ============== */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pillar {
  position: relative;
  background: var(--white);
  border: 1px solid var(--grey-1);
  padding: 40px 32px;
  min-height: 320px;
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.pillar::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--blue-3);
  transform: scaleY(0); transform-origin: top;
  transition: transform .4s var(--ease);
}
.pillar:hover {
  transform: translateY(-4px);
  border-color: var(--blue-2);
  box-shadow: 0 20px 40px -12px rgba(30,58,95,0.12);
}
.pillar:hover::before { transform: scaleY(1); }
.pillar-ico {
  width: 56px; height: 56px; border-radius: 50%;
  border: 1px solid var(--blue-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-4);
  margin-bottom: 28px;
  transition: background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.pillar-ico svg { width: 26px; height: 26px; }
.pillar:hover .pillar-ico {
  background: var(--blue-6);
  border-color: var(--blue-6);
  color: #fff;
}
.pillar h3 {
  font-weight: 500;
  font-size: 18px;
  line-height: 1.3;
  margin-bottom: 14px;
  color: var(--ink);
}
.pillar p {
  font-size: 14.5px;
  color: var(--grey-4);
  line-height: 1.7;
}
@media (prefers-reduced-motion: reduce) {
  .pillar, .pillar::before, .pillar-ico { transition: none; }
  .pillar:hover { transform: none; }
}

/* ============== TECH (V9-B : HUD clair) ============== */
.tech-frame {
  position: relative;
  background: #fff;
  border: 1px solid var(--grey-1);
  padding: clamp(32px, 4vw, 56px) clamp(24px, 3vw, 48px);
}
.tech-corner { position: absolute; width: 14px; height: 14px; border: 1px solid var(--blue-4); }
.tech-corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.tech-corner.tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.tech-corner.bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.tech-corner.br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.tech-mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--blue-4);
  margin-bottom: 28px;
}
.tech-mono #freq-readout { color: var(--ink); font-weight: 500; }

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.tech-title {
  font-weight: 200;
  font-size: clamp(26px, 2.6vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 20px;
}
.tech-title b { color: var(--blue-4); font-weight: 400; }
.tech-title-sep { color: inherit; font-weight: inherit; }
.tech-body {
  font-size: 14.5px;
  color: var(--grey-4);
  line-height: 1.7;
  margin-bottom: 20px;
}
.tech-body strong { color: var(--blue-5); font-weight: 500; }

.tech-readouts {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--grey-1);
  border: 1px solid var(--grey-1);
  margin-top: 28px;
}
.tech-readouts > div {
  background: #fff;
  padding: 16px 20px;
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}
.tech-readouts dt { font-size: 10px; color: var(--blue-3); margin-bottom: 4px; letter-spacing: 0.06em; }
.tech-readouts dd { font-size: 17px; color: var(--ink); }

.tech-scope {
  background: var(--white);
  border: 1px solid var(--grey-1);
  padding: 20px;
}
.scope-intro {
  position: relative;
  font-size: 14px;
  line-height: 1.6;
  color: var(--grey-5);
  margin: 0 0 18px;
  padding: 14px 16px 14px 18px;
  background: linear-gradient(180deg, rgba(58,86,128,0.04), rgba(58,86,128,0.01));
  border-left: 2px solid var(--blue-3);
  border-radius: 0 6px 6px 0;
}
.scope-intro b { color: var(--blue-5); font-weight: 600; }
.scope-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
  font-size: 12px;
}
.scope-head > div { display: flex; align-items: center; gap: 10px; }
.scope-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue-4);
  box-shadow: 0 0 0 3px rgba(58,86,128,0.18);
  animation: pulse-d 1.8s infinite;
}
@keyframes pulse-d { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.scope-label { color: var(--blue-4); text-transform: uppercase; letter-spacing: 0.12em; font-size: 10.5px; }
.scope-meta { color: var(--ink); font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace; font-size: 20px; font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }
.scope-meta strong { font-weight: 600; }
.scope-meta .unit { color: var(--blue-3); font-size: 13px; font-weight: 500; margin-left: 4px; }
#scope-canvas {
  width: 100%; height: 260px;
  display: block;
  background: transparent;
}
.scope-legend {
  display: flex; gap: 24px;
  margin-top: 12px;
  font-size: 11.5px;
  color: var(--grey-4);
}
.scope-legend span { display: flex; align-items: center; gap: 8px; }
.scope-legend i { display: block; width: 14px; height: 2px; }
.scope-legend i.f { background: var(--ink); }
.scope-legend i.b { background: var(--blue-3); }

/* ============== PROJECTS — mosaïque éditoriale ============== */
.projects {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: clamp(150px, 16vw, 215px);
  gap: 14px;
}
.project {
  cursor: pointer;
  position: relative;
  background: var(--white);
  border: 1px solid var(--grey-1);
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.project.feature { grid-column: span 2; grid-row: span 2; }
.project:hover { border-color: var(--blue-3); box-shadow: 0 16px 40px -16px rgba(30,58,95,0.22); }
.project img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.project:hover img { transform: scale(1.04); }
.project-tag {
  position: absolute; left: 14px; bottom: 14px; z-index: 2;
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  color: #fff;
  background: rgba(15,30,51,0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 6px 12px;
  border-radius: 999px;
  pointer-events: none;
}
.projects-note {
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--grey-4);
  font-style: italic;
}

/* ============== FONCIER — bande sombre ============== */
.section-foncier {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--blue-6) 0%, var(--blue-5) 100%);
  color: #fff;
}
.foncier-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 85% 12%, rgba(157,180,208,0.16), transparent 70%);
  pointer-events: none;
}
.foncier-inner { position: relative; z-index: 1; }
.section-foncier .section-kicker { color: var(--blue-2); }
.section-foncier .section-kicker::before { background: var(--blue-2); }
.section-foncier .section-title { color: #fff; }
.section-foncier .section-title b { color: var(--blue-2); }
.section-foncier .section-head { margin-bottom: 56px; }
.foncier-lead {
  margin: 18px 0 0;
  font-size: clamp(15px, 1.2vw, 16.5px);
  line-height: 1.65;
  color: rgba(255,255,255,0.78);
  max-width: 640px;
}
.foncier-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 72px);
  max-width: 1080px;
  margin-bottom: 52px;
}
.foncier-col h3 {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-2);
  font-weight: 600;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(157,180,208,0.25);
}
.foncier-col dl {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 0;
}
.foncier-col dt {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
  letter-spacing: -0.005em;
}
.foncier-col dd {
  font-size: 13.5px;
  color: rgba(255,255,255,0.68);
  line-height: 1.6;
  margin: 0;
}
.foncier-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============== TIMELINE — déroulé d'un projet ============== */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; right: 8px; top: 5px;
  height: 1px;
  background: linear-gradient(to right, var(--blue-3), var(--grey-2));
}
.timeline-step { position: relative; padding-top: 30px; }
.timeline-step::before {
  content: '';
  position: absolute; left: 0; top: 0;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--blue-4);
  transition: background .3s var(--ease);
}
.timeline-step:first-child::before { background: var(--blue-4); }
.timeline-step:hover::before { background: var(--blue-4); }
.timeline-num {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: var(--blue-3);
  display: block;
  margin-bottom: 10px;
}
.timeline-step h3 {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 8px;
  letter-spacing: -0.005em;
}
.timeline-step p {
  font-size: 12.5px;
  color: var(--grey-4);
  line-height: 1.55;
}

/* ============== FAQ — accordéon ============== */
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--grey-1); }
.faq details:first-of-type { border-top: 2px solid var(--blue-6); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr 24px;
  align-items: center;
  gap: 14px;
  padding: 13px 2px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
  transition: color .2s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--blue-4); }
.faq-chev {
  width: 24px; height: 24px;
  border: 1px solid var(--grey-2);
  border-radius: 50%;
  background: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 400;
  font-size: 13px;
  color: var(--blue-4);
  transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.faq details[open] .faq-chev {
  transform: rotate(45deg);
  background: var(--blue-6);
  border-color: var(--blue-6);
  color: #fff;
}
.faq-answer {
  padding: 0 38px 15px 2px;
  font-size: 13.5px;
  color: var(--grey-4);
  line-height: 1.58;
  max-width: 700px;
}

/* ============== CONTACT (V9 — hero immersif + form en surimpression) ============== */
.section-contact {
  position: relative;
  overflow: hidden;
  padding: 0;
  background: #0F1E33;
}
.contact-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 70% 30%, rgba(157,180,208,0.18), transparent 70%),
    linear-gradient(160deg, #0F1E33 0%, #1E3A5F 60%, #3A5680 100%);
  pointer-events: none;
}
.contact-inner {
  position: relative;
  z-index: 1;
  padding: 96px 0;
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 72px;
  align-items: center;
}
.contact-copy { color: #fff; }
.contact-copy .section-kicker { color: var(--blue-2); }
.contact-copy .section-kicker::before { background: var(--blue-2); }
.contact-copy .section-title { color: #fff; font-size: clamp(38px, 4.4vw, 50px); }
.contact-copy .section-title b { color: var(--blue-2); }
.contact-lead {
  margin: 18px 0 28px;
  font-size: 16.5px;
  color: rgba(255,255,255,0.82);
  line-height: 1.65;
  max-width: 480px;
}
.contact-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 40px;
  display: grid;
  gap: 12px;
  max-width: 520px;
}
.contact-bullets li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(157,180,208,0.18);
  border-radius: 12px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.contact-bullets li:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(157,180,208,0.4);
  transform: translateX(2px);
}
.contact-bullets svg {
  flex: none;
  width: 36px;
  height: 36px;
  padding: 8px;
  color: var(--blue-6);
  background: var(--blue-2);
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(157,180,208,0.25);
}
.contact-bullets li > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.contact-bullets .b-label {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-2);
  font-weight: 600;
}
.contact-bullets .b-value {
  font-size: 15.5px;
  color: #fff;
  font-weight: 500;
  line-height: 1.4;
}
.contact-info {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.contact-info > div { display: flex; flex-direction: column; gap: 4px; }
.contact-info span {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-2);
  font-weight: 500;
}
.contact-info a {
  color: #fff;
  font-weight: 600;
  font-size: 18px;
}
.contact-info a:hover { color: var(--blue-2); }

.contact-form {
  background: #fff;
  color: var(--ink);
  border-radius: 16px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-form-title {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.contact-form-sub {
  margin: 0 0 10px;
  color: var(--grey-4);
  font-size: 13.5px;
}
.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form label { display: flex; flex-direction: column; gap: 8px; }
.contact-form label > span {
  font-size: 12px;
  color: var(--grey-4);
  letter-spacing: 0.02em;
}
.contact-form label { min-width: 0; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  background: var(--off);
  border: 1px solid var(--grey-2);
  color: var(--ink);
  border-radius: 2px;
  outline: none;
  transition: border-color .2s, background .2s;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-color: var(--blue-4); background: #fff; }
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form .check {
  flex-direction: row;
  gap: 12px;
  align-items: flex-start;
  font-size: 12.5px;
  color: var(--grey-4);
  line-height: 1.5;
}
.contact-form .check input { width: 16px; height: 16px; accent-color: var(--blue-4); margin-top: 2px; }
.form-ok {
  display: none;
  padding: 14px 16px;
  background: rgba(58,86,128,0.08);
  color: var(--blue-5);
  border-left: 2px solid var(--blue-4);
  font-size: 14px;
}
.form-ok.show { display: block; }
.form-err {
  display: none;
  padding: 14px 16px;
  background: rgba(158,59,47,0.07);
  color: #8C3528;
  border-left: 2px solid #9E3B2F;
  font-size: 14px;
}
.form-err.show { display: block; }
.contact-form input.field-error,
.contact-form select.field-error,
.contact-form textarea.field-error {
  border-color: #9E3B2F;
  background: rgba(158,59,47,0.04);
}
.contact-form .check.field-error span { color: #8C3528; }

/* ============== LEGAL PAGES ============== */
body.legal-page .site-header {
  background: rgba(15,30,51,0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.legal-hero {
  padding: 160px 0 56px;
  background: linear-gradient(160deg, #0F1E33 0%, #1E3A5F 80%);
  color: #fff;
}
.legal-hero .section-kicker { color: var(--blue-2); }
.legal-hero .section-kicker::before { background: var(--blue-2); }
.legal-hero h1 {
  font-size: clamp(34px, 4.4vw, 48px);
  font-weight: 400;
  letter-spacing: -0.015em;
  margin: 14px 0 12px;
  color: #fff;
  line-height: 1.08;
}
.legal-hero h1 b { color: var(--blue-2); font-weight: 700; }
.legal-hero p { color: rgba(255,255,255,0.78); font-size: 15.5px; max-width: 680px; margin: 0; }
.legal-content {
  padding: 56px 0 72px;
  background: #fff;
}
.legal-content .wrap { max-width: 820px; }
.legal-content h2 {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin: 32px 0 10px;
  letter-spacing: -0.005em;
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 8px;
}
.legal-content p, .legal-content li {
  font-size: 14.5px;
  color: var(--grey-5);
  line-height: 1.55;
}
.legal-content p { margin: 0 0 10px; }
.legal-content ul { padding-left: 20px; margin: 0 0 14px; }
.legal-content li { margin-bottom: 3px; }
.legal-content a { color: var(--blue-5); text-decoration: underline; text-underline-offset: 2px; }
.legal-content a:hover { color: var(--blue-4); }
.legal-content dl {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 14px 28px;
  margin: 0 0 18px;
}
.legal-content dt {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-3);
  font-weight: 600;
  padding-top: 3px;
}
.legal-content dd { margin: 0; color: var(--ink); font-size: 15px; }
.legal-content .updated {
  display: inline-block;
  font-size: 12.5px;
  color: var(--grey-3);
  padding: 6px 12px;
  background: var(--off);
  border-radius: 999px;
  margin-bottom: 28px;
}
@media (max-width: 760px) {
  .legal-content dl { grid-template-columns: 1fr; gap: 4px 0; }
  .legal-content dt { padding-top: 14px; }
  .legal-hero { padding: 120px 0 40px; }
}

/* ============== FOOTER ============== */
.site-footer {
  background: #fff;
  color: var(--grey-4);
  padding: 16px 0;
  border-top: 1px solid var(--grey-1);
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand img { height: 28px; display: block; }
.footer-legal-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-legal-nav a {
  font-size: 12px;
  color: var(--grey-4);
  font-weight: 500;
  transition: color .2s;
}
.footer-legal-nav a:hover { color: var(--ink); }
.footer-legal {
  margin: 0;
  font-size: 11.5px;
  color: var(--grey-3);
}

/* ============== LIGHTBOX ============== */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: none;
  background: rgba(15,30,51,0.95);
  backdrop-filter: blur(8px);
  align-items: center; justify-content: center;
  padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 90vh; object-fit: contain; }
.lightbox-close {
  position: absolute; top: 20px; right: 24px;
  width: 44px; height: 44px;
  color: #fff; font-size: 32px; line-height: 1;
  border: 1px solid rgba(255,255,255,0.2); border-radius: 50%;
}

/* ============== REVEAL ============== */
[data-reveal] {
  opacity: 0; transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

.stat-label .lbl-mobile { display: none; }

/* ============== RESPONSIVE ============== */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 48px 32px; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(3, 1fr); gap: 28px 22px; }
  .timeline::before { display: none; }
  .tech-grid { grid-template-columns: 1fr; gap: 48px; }
  .section-head-row { grid-template-columns: 1fr; gap: 32px; align-items: start; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; padding: 72px 0; }
  .footer-row { gap: 20px; }
}
@media (max-width: 760px) {
  .nav-primary, .btn-outline-header { display: none; }
  .burger { display: flex; }
  .mobile-menu.open { display: block; }
  .site-header {
    padding: 12px 0;
    background: rgba(15,30,51,0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    color: #fff;
  }
  .site-header .burger { color: #fff; }
  .brand img { height: 36px; }
  .section { padding: 64px 0; }
  .hero {
    padding: clamp(110px, 16vh, 140px) 0 clamp(96px, 14vh, 128px);
    align-items: center;
  }
  .hero-eyebrow { font-size: 11px; letter-spacing: 0.24em; margin-bottom: 24px; }
  .hero-title { font-size: clamp(36px, 8.5vw, 64px); line-height: 1.05; margin-bottom: 20px; }
  .hero-lead { margin-bottom: 28px; }
  .hero-cta { margin-top: 56px; }
  .hero-chevron {
    display: flex;
    bottom: 40px;
    width: 48px; height: 48px;
    z-index: 10;
  }
  .hero-lead { font-size: 15.5px; }
  .manifesto-col p { font-size: 15.5px; line-height: 1.55; }
  .manifesto-col h3 { margin-bottom: 14px; }
  .projets-headline { font-size: 15px; line-height: 1.5; margin-top: 18px; }
  .projet-meta-num { font-size: 11px; }
  .techno-grid { grid-template-columns: 1fr; gap: 28px; margin-top: 32px; }
  .techno-copy { gap: 24px; }
  .techno-intro { padding: 22px 20px 22px 22px; gap: 10px; border-radius: 12px; }
  .techno-subtitle { font-size: 20px; }
  .techno-body { font-size: 14.5px; }
  .techno-frame { grid-template-columns: 1fr; gap: 16px; margin-top: 32px; }
  .techno-element { padding: 22px 20px; }
  .techno-element-symbol { font-size: 64px; margin: 16px 0 8px; }
  .techno-element-meta dd { font-size: 14px; }
  .techno-specs { gap: 10px; }
  .techno-spec { padding: 16px 16px; gap: 14px; }
  .techno-spec-ico { width: 36px; height: 36px; }
  .techno-spec-ico svg { width: 18px; height: 18px; }
  .techno-spec h4 { font-size: 13.5px; }
  .techno-spec p { font-size: 13px; }
  .section-lead { font-size: 14.5px; margin-top: 14px; }
  .rte-quote-section { padding: 56px 0 36px; }
  .rte-quote-text { font-size: 17px; line-height: 1.5; }
  .rte-quote-mark { width: 24px; height: 18px; margin-bottom: 18px; }
  .rte-quote-cite { margin-top: 22px; font-size: 12px; gap: 10px; padding: 8px 16px; }
  .rte-quote-cite b { font-size: 11px; }
  .rte-quote-rule { width: 1px; height: 12px; }
  .scope-meta { font-size: 14px; }
  .tech-scope { font-size: clamp(20px, 5.5vw, 28px); padding: 14px; }
  .scope-intro { font-size: 13px; padding: 12px 12px 12px 14px; margin-bottom: 14px; }
  .tech-readouts dd { font-size: 13px; }
  .contact-lead { font-size: 15px; }
  .contact-bullets .b-value { font-size: 14px; }
  .contact-bullets .b-label { font-size: 10px; }
  .hero-cta { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .stats-grid { gap: 36px 24px; }
  .section-title { font-size: clamp(28px, 7vw, 40px); }
  .section-kicker { font-size: 11px; }
  .projects { grid-template-columns: repeat(2, 1fr); grid-auto-rows: clamp(110px, 26vw, 170px); gap: 10px; }
  .project-tag { left: 10px; bottom: 10px; font-size: 10px; padding: 5px 10px; }
  .projets-head-aside { border-left: none; border-top: 1px solid var(--grey-1); padding: 20px 0 0; }
  .section-foncier .section-head { margin-bottom: 36px; }
  .foncier-lead { font-size: 14.5px; }
  .foncier-cols { grid-template-columns: 1fr; gap: 32px; margin-bottom: 36px; }
  .foncier-col h3 { margin-bottom: 16px; padding-bottom: 10px; }
  .foncier-col dl { gap: 16px; }
  .foncier-col dt { font-size: 14px; }
  .foncier-col dd { font-size: 13px; }
  .foncier-cta { flex-direction: column; align-items: stretch; gap: 10px; }
  .foncier-cta .btn { justify-content: center; }
  .timeline { grid-template-columns: repeat(2, 1fr); gap: 24px 18px; }
  .timeline-step { padding-top: 24px; }
  .faq summary { font-size: 13.5px; padding: 11px 2px; gap: 12px; }
  .faq-chev { width: 22px; height: 22px; font-size: 12px; }
  .faq-answer { padding: 0 8px 13px 2px; font-size: 13px; }
  .pillars { grid-template-columns: 1fr; gap: 8px; }
  .pillar {
    padding: 12px 14px;
    min-height: 0;
    display: grid;
    grid-template-columns: 32px 1fr;
    column-gap: 12px;
    row-gap: 4px;
    align-items: start;
  }
  .pillar-ico { width: 32px; height: 32px; margin-bottom: 0; grid-row: 1 / 3; align-self: center; }
  .pillar-ico svg { width: 16px; height: 16px; }
  .pillar h3 { font-size: 14px; line-height: 1.25; margin: 0; }
  .pillar p { font-size: 12.5px; line-height: 1.4; margin: 0; }
  .manifesto-cols { grid-template-columns: 1fr; gap: 24px; }
  .tech-grid { gap: 36px; }
  .tech-readouts > div { padding: 12px 10px; }
  .tech-readouts dd { font-size: 14px; }
  .section-contact > .wrap { padding-left: 24px; padding-right: 24px; }
  .contact-inner { padding: 36px 0 40px; gap: 20px; align-items: stretch; }
  .contact-copy .section-title { font-size: clamp(24px, 6.5vw, 32px); line-height: 1.1; margin-bottom: 12px; }
  .contact-copy .section-kicker { margin-bottom: 8px; }
  .contact-lead { font-size: 14px; margin-bottom: 14px; }
  .contact-bullets { max-width: 100%; margin-bottom: 18px; gap: 8px; }
  .contact-bullets li { padding: 10px 12px; gap: 10px; }
  .contact-bullets svg { width: 26px; height: 26px; padding: 6px; }
  .contact-bullets .b-label { font-size: 9.5px; }
  .contact-bullets .b-value { font-size: 13.5px; }
  .contact-info { gap: 14px 36px; flex-direction: row; flex-wrap: wrap; align-items: flex-start; padding-top: 14px; }
  .contact-info > div { width: auto; gap: 2px; }
  .contact-info a { font-size: 14px; }
  .contact-info span { font-size: 9.5px; letter-spacing: 0.14em; }
  .contact-form { padding: 28px 22px; border-radius: 14px; gap: 10px; }
  .contact-form-title { font-size: 18px; margin-bottom: 0; }
  .contact-form-sub { font-size: 12.5px; margin-bottom: 6px; }
  .contact-form label span { font-size: 11px; }
  .contact-form input, .contact-form select, .contact-form textarea { padding: 10px 12px; font-size: 14px; }
  .contact-form textarea { min-height: 80px; }
  .contact-form .row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .site-footer { padding: 14px 0 12px; }
  .footer-row { flex-direction: column; gap: 8px; justify-content: center; align-items: center; text-align: center; }
  .footer-brand img { height: 22px; }
  .footer-legal-nav { gap: 14px; justify-content: center; }
  .footer-legal-nav a { font-size: 11.5px; }
  .footer-legal { font-size: 10.5px; opacity: 0.85; }
  .lightbox { padding: 20px; }
  .lightbox-close { top: 12px; right: 12px; }
  .legal-hero { padding: 120px 0 48px; }
  .legal-hero h1 { font-size: clamp(32px, 8vw, 48px); }
  .legal-content { padding: 48px 0 64px; }
  .legal-content h2 { font-size: 20px; margin-top: 32px; }
  .legal-content dl { grid-template-columns: 1fr; gap: 4px 0; }
  .legal-content dt { margin-top: 8px; }
}
@media (max-width: 480px) {
  :root { --pad: 18px; }
  .section { padding: 52px 0; }
  .hero { padding: clamp(88px, 16vh, 120px) 0 clamp(48px, 8vh, 80px); }
  .hero-title { font-size: clamp(32px, 9vw, 48px); }
  .hero-lead { font-size: 15px; }
  .stat-label .lbl-desktop { display: none; }
  .stat-label .lbl-mobile { display: inline; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 18px; }
  .stat-num { font-size: 36px; }
  .stat-label { font-size: 10.5px; letter-spacing: 0.14em; }
  .section-title { font-size: clamp(26px, 8vw, 34px); }
  .contact-form { padding: 20px 14px; }
  .contact-form input, .contact-form textarea { font-size: 16px; }
  .contact-form select { font-size: 14px; }
  .footer-legal-nav { flex-direction: row; gap: 14px; }
  .footer-legal { font-size: 11px; }
  .lightbox { padding: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}