/* ============================================================
   A3 STUDIO — Design System v3
   Palette : Noir #0f0f0f + Orange #e05c1a + Blanc #ffffff
   Typo    : Cormorant Garamond (display) + Inter (corps)
   ADN     : Publicis Sapient — boutons carrés, espacement 8pt
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }

/* ── TOKENS ── */
:root {
  /* Couleurs */
  --noir:         #0f0f0f;
  --noir2:        #1a1a1a;
  --noir3:        #242424;
  --black:        #000000;
  --blanc:        #ffffff;
  --off:          #f8f7f5;
  --off2:         #f0ede8;
  --orange:       #e05c1a;
  --orange-h:     #c74e12;
  --orange-l:     rgba(224,92,26,0.08);
  --orange-ll:    rgba(224,92,26,0.04);
  --ambre:        #f59e0b;
  --gris:         #555555;
  --gris-l:       #6b6b6b;
  --gris-ll:      #aaaaaa;
  --bordure:      #e8e3db;
  --bordure-d:    rgba(255,255,255,0.07);

  /* Typo */
  --serif:  'Cormorant Garamond', serif;
  --sans:   'Inter', sans-serif;

  /* Espacement (base 8pt — ADN PS) */
  --sp1:  4px;
  --sp2:  8px;
  --sp3:  12px;
  --sp4:  16px;
  --sp6:  24px;
  --sp8:  32px;
  --sp12: 48px;
  --sp16: 64px;
  --sp24: 96px;   /* padding sections */

  /* Layout */
  --container: 1200px;
  --pad-h:     48px;
  --gap:       32px;
  --radius:    0px;   /* carré strict PS-style */
  --transition: 0.2s ease;
}

/* ── BASE ── */
body {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--noir);
  background: var(--blanc);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── LAYOUT ── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-h);
}
.section-pad { padding: var(--sp24) 0; }

/* ── TYPOGRAPHIE ── */

/* Display — hero unique */
.t-display {
  font-family: var(--serif);
  font-size: clamp(48px, 5.5vw, 80px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--blanc);
}
.t-display em { font-style: italic; color: var(--orange); }

/* H1 sections */
.t-h1 {
  font-family: var(--serif);
  font-size: clamp(32px, 3.2vw, 48px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--noir);
}
.t-h1 em { font-style: italic; color: var(--orange); }
.t-h1.on-dark { color: var(--blanc); }

/* H2 sous-section */
.t-h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 32px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--noir);
}
.t-h2 em { font-style: italic; color: var(--orange); }

/* H3 cartes */
.t-h3 {
  font-family: var(--serif);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--noir);
}

/* Overline / eyebrow */
.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.eyebrow::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--orange);
  flex-shrink: 0;
}

/* Corps */
.t-body-lg {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.65;
  color: rgba(255,255,255,0.5);
}
.t-body {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.72;
  color: var(--gris);
}
.t-body-sm {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--gris-l);
}

/* ── BOUTONS — ADN PS : carré, border 2px, Inter 600, UPPERCASE ── */
.btn-p,
.btn-s,
.btn-s-dark,
.btn-w,
.btn-ghost,
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 0;
  border: 2px solid transparent;
  line-height: 1;
  white-space: nowrap;
  transition: background var(--transition),
              border-color var(--transition),
              color var(--transition),
              transform var(--transition);
}
.btn-p {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}
.btn-p:hover {
  background: var(--orange-h);
  border-color: var(--orange-h);
  transform: translateY(-1px);
}
.btn-s {
  background: transparent;
  color: rgba(255,255,255,0.65);
  border-color: rgba(255,255,255,0.3);
}
.btn-s:hover {
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-s-dark {
  background: transparent;
  color: var(--noir);
  border-color: var(--noir);
}
.btn-s-dark:hover {
  border-color: var(--orange);
  color: var(--orange);
}
.btn-w {
  background: #fff;
  color: var(--orange);
  border-color: #fff;
}
.btn-w:hover {
  background: transparent;
  color: #fff;
}
.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.5);
  border-color: rgba(255,255,255,0.15);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.45);
  color: rgba(255,255,255,0.8);
}
.btn-text {
  padding: 4px 0;
  border: none;
  border-bottom: 2px solid var(--orange);
  color: var(--orange);
  background: transparent;
}
.btn-text:hover { opacity: 0.75; }

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ── TAGS / CHIPS ── */
.chip {
  display: inline-flex;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(224,92,26,0.25);
  padding: 6px 14px;
  background: var(--orange-l);
}

/* ── NAVIGATION ── */
.site-nav {
  height: 68px;
  background: rgba(15,15,15,0.98);
  display: flex;
  align-items: center;
  padding: 0 var(--pad-h);
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: 1px solid var(--bordure-d);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: box-shadow var(--transition);
}
.site-nav.scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,0.4);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #fff;
}
.nav-logo span { color: var(--orange); }
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.01em;
  position: relative;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--orange);
  transition: width var(--transition);
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: #fff; }
.nav-link.active::after { width: 100%; }

/* Hamburger mobile */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: rgba(255,255,255,0.7);
  transition: all var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Menu mobile */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  bottom: 0;
  width: min(360px, 100vw);
  background: var(--noir);
  z-index: 300;
  padding: 80px 40px 40px;
  flex-direction: column;
  gap: 4px;
  transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
  border-left: 1px solid var(--bordure-d);
}
.mobile-menu.open { right: 0; }
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 250;
  opacity: 0;
  transition: opacity var(--transition);
}
.mobile-overlay.open { opacity: 1; }
.mobile-nav-link {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 300;
  color: rgba(255,255,255,0.75);
  padding: 12px 0;
  border-bottom: 1px solid var(--bordure-d);
  display: block;
  transition: color var(--transition);
}
.mobile-nav-link:hover { color: var(--orange); }

/* ── TICKER ── */
.ticker {
  background: var(--black);
  height: 40px;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 0 var(--pad-h);
}
.ticker-track {
  display: flex;
  gap: 80px;
  white-space: nowrap;
  animation: ticker-scroll 36s linear infinite;
}
.ticker-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  flex-shrink: 0;
}
.ticker-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}
.ticker-item strong {
  color: rgba(255,255,255,0.65);
  font-weight: 600;
}
@keyframes ticker-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── HERO ── */
.hero {
  background: var(--noir);
  display: grid;
  grid-template-columns: 55% 45%;
  min-height: 660px;
}
.hero-left {
  padding: 80px 56px 80px var(--pad-h);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.hero-left::after {
  content: '';
  position: absolute;
  right: 0; top: 15%; bottom: 15%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.06) 30%, rgba(255,255,255,0.06) 70%, transparent);
}
.hero-sub {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.65;
  color: rgba(255,255,255,0.48);
  max-width: 420px;
  margin-bottom: var(--sp12);
}
.hero-sub strong {
  color: rgba(255,255,255,0.82);
  font-weight: 500;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: var(--sp16);
}
.hero-stats {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--sp8);
}
.hero-stat {
  padding-right: 36px;
  border-right: 1px solid rgba(255,255,255,0.06);
  margin-right: 36px;
}
.hero-stat:last-child {
  border-right: none;
  margin-right: 0;
}
.hero-stat-num {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 300;
  color: #fff;
  line-height: 1;
}
.hero-stat-num.accent { color: var(--orange); }
.hero-stat-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-top: 6px;
}

/* Hero right — visualisation */
.hero-right {
  background: var(--noir2);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-viz { width: 100%; height: 100%; position: relative; }
.hero-viz svg.plan { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.1; }
.hero-viz svg.pts  { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.35; }
.scan-beam {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(224,92,26,0.55), transparent);
  animation: scan-anim 4s ease-in-out infinite;
  z-index: 3;
}
@keyframes scan-anim {
  0%   { top: 15%; opacity: 0; }
  12%  { opacity: 1; }
  88%  { opacity: 1; }
  100% { top: 85%; opacity: 0; }
}
.crosshair {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 52px; height: 52px;
  z-index: 4; pointer-events: none;
}
.crosshair::before, .crosshair::after { content: ''; position: absolute; background: rgba(224,92,26,0.38); }
.crosshair::before { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }
.crosshair::after  { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); }
.crosshair-dot {
  position: absolute; top: 50%; left: 50%;
  width: 8px; height: 8px;
  border: 1.5px solid var(--orange);
  border-radius: 50%;
  transform: translate(-50%,-50%);
}
.hero-badge {
  position: absolute;
  z-index: 4;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero-badge.top-left {
  top: 28px; left: 28px;
  display: flex; align-items: center; gap: 8px;
  background: rgba(224,92,26,0.1);
  border: 1px solid rgba(224,92,26,0.22);
  padding: 7px 14px;
}
.hero-badge.bottom-left {
  bottom: 28px; left: 28px;
  background: rgba(15,15,15,0.9);
  border: 1px solid rgba(224,92,26,0.2);
  padding: 12px 18px;
}
.hero-badge.bottom-right {
  bottom: 28px; right: 28px;
  background: var(--orange);
  padding: 10px 18px;
  text-align: right;
}
.badge-dot {
  width: 5px; height: 5px;
  border-radius: 50%; background: #4ade80;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot { 0%,100%{ opacity:1; } 50%{ opacity:0.35; } }
.badge-label {
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
}
.badge-val {
  font-family: var(--serif);
  font-size: 24px; font-weight: 300; color: #fff; line-height: 1;
}
.badge-val span { color: var(--orange); }
.badge-meta {
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255,255,255,0.38); margin-bottom: 4px;
}
.badge-main {
  font-family: var(--serif);
  font-size: 22px; font-weight: 300; color: #fff; line-height: 1;
}

/* ── CLIENTS BAR ── */
.clients-bar {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding: 18px var(--pad-h);
  display: flex;
  align-items: center;
  gap: var(--sp8);
  overflow: hidden;
}
.clients-label {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.18);
  flex-shrink: 0; white-space: nowrap;
}
.clients-sep {
  width: 1px; height: 18px;
  background: rgba(255,255,255,0.07);
  flex-shrink: 0;
}
.clients-list {
  display: flex; gap: 0; flex: 1; overflow: hidden;
}
.client-item {
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  padding: 0 24px;
  border-right: 1px solid rgba(255,255,255,0.06);
  white-space: nowrap;
}
.client-item:last-child { border-right: none; }

/* ── SECTION ABOUT (fond blanc) ── */
.about { background: var(--blanc); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}
.about-credentials {
  display: flex; flex-direction: column; gap: 14px;
  margin-top: var(--sp8);
}
.cred-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px; font-weight: 400; color: var(--gris-l);
}
.cred-item::before {
  content: '';
  width: 20px; height: 1px;
  background: var(--orange); flex-shrink: 0;
}

/* ONGLETS */
.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--bordure);
  margin-bottom: var(--sp8);
}
.tab-btn {
  font-family: var(--sans);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gris-ll);
  padding: 12px 20px 11px;
  background: none; border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}
.tab-btn.active {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.tab-panel { display: none; }
.tab-panel.active {
  display: block;
  animation: fade-up 0.18s ease;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}
.tab-chips {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 18px;
}

/* ── SECTION SERVICES (fond noir) ── */
.services-section { background: var(--noir); }
.services-header {
  padding: var(--sp24) var(--pad-h) var(--sp12);
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--bordure-d);
}
.svc-card {
  padding: 48px 44px 56px;
  border-right: 1px solid var(--bordure-d);
  position: relative;
  transition: background var(--transition);
}
.svc-card:last-child { border-right: none; }
.svc-card:hover { background: var(--noir2); }
.svc-num {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.15); margin-bottom: 36px;
}
.svc-ico {
  width: 42px; height: 42px;
  border: 1px solid rgba(224,92,26,0.22);
  background: rgba(224,92,26,0.06);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 28px;
}
.svc-ico svg { width: 18px; height: 18px; stroke: var(--orange); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.svc-title {
  font-family: var(--serif);
  font-size: 26px; font-weight: 400;
  color: #fff; margin-bottom: 14px; line-height: 1.15;
}
.svc-desc {
  font-size: 14px; font-weight: 400;
  line-height: 1.75; color: rgba(255,255,255,0.38);
  margin-bottom: 24px;
}
.svc-deliverables {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 28px;
}
.svc-deliv {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 400;
  color: rgba(255,255,255,0.45);
}
.svc-deliv::before {
  content: '';
  width: 16px; height: 1px;
  background: var(--orange); flex-shrink: 0;
}
.svc-price {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 20px;
  font-size: 13px; font-weight: 400;
  color: rgba(255,255,255,0.22);
}
.svc-price strong { color: var(--orange); font-weight: 600; }
.svc-arrow {
  position: absolute;
  bottom: 40px; right: 40px;
  width: 32px; height: 32px;
  border: 1px solid rgba(224,92,26,0.2);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.svc-arrow svg { width: 12px; height: 12px; stroke: rgba(255,255,255,0.35); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.svc-card:hover .svc-arrow {
  background: var(--orange);
  border-color: var(--orange);
}
.svc-card:hover .svc-arrow svg { stroke: #fff; }

/* ── SECTION PROJETS (fond off-white) ── */
.projects-section { background: var(--off); }
.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--sp12);
}
.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.proj-card {
  background: var(--blanc);
  border: 1px solid var(--bordure);
  overflow: hidden;
  transition: transform var(--transition),
              box-shadow var(--transition),
              border-color var(--transition);
}
.proj-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 56px rgba(0,0,0,0.1);
  border-color: var(--orange);
}
.proj-thumb {
  height: 200px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.proj-thumb-badge {
  position: absolute;
  top: 0; left: 0;
  background: var(--orange);
  padding: 7px 16px;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: #fff;
}
.proj-metric {
  position: absolute;
  bottom: 14px; right: 14px;
  background: rgba(0,0,0,0.65);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 6px 12px;
  backdrop-filter: blur(6px);
}
.proj-metric-val {
  font-family: var(--serif);
  font-size: 18px; font-weight: 300; line-height: 1;
}
.proj-metric-val.orange { color: var(--orange); }
.proj-metric-val.ambre  { color: var(--ambre); }
.proj-metric-label {
  font-size: 8px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); margin-top: 2px;
}
.proj-body { padding: 24px 28px 28px; }
.proj-cat {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 10px;
}
.proj-title {
  font-family: var(--serif);
  font-size: 20px; font-weight: 400;
  color: var(--noir); margin-bottom: 10px; line-height: 1.2;
}
.proj-meta {
  font-size: 13px; font-weight: 400;
  color: var(--gris-ll); line-height: 1.7;
}

/* ── SECTION APPROCHE (fond blanc) ── */
.approach-section { background: var(--blanc); }
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bordure);
  margin-top: var(--sp12);
}
.app-card {
  background: var(--blanc);
  padding: 40px 36px;
  border-left: 3px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.app-card:hover {
  border-left-color: var(--orange);
  background: var(--off);
}
.app-card-num {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gris-ll); margin-bottom: 24px;
}
.app-card-title {
  font-family: var(--serif);
  font-size: 22px; font-weight: 400;
  color: var(--noir); margin-bottom: 14px; line-height: 1.2;
}
.app-card-more {
  display: flex; align-items: center; gap: 6px;
  margin-top: 22px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--orange);
  opacity: 0; transition: opacity var(--transition);
}
.app-card:hover .app-card-more { opacity: 1; }

/* ── CTA BAND (fond orange) ── */
.cta-section {
  background: var(--orange);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-deco {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  height: 100%;
  opacity: 0.06;
  pointer-events: none;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
  position: relative;
}
.cta-eyebrow {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.cta-eyebrow::before {
  content: '';
  width: 20px; height: 1px;
  background: rgba(255,255,255,0.4);
}
.cta-h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.5vw, 52px);
  font-weight: 300; color: #fff;
  line-height: 1.1; margin-bottom: 16px;
}
.cta-sub {
  font-size: 17px; font-weight: 400;
  color: rgba(255,255,255,0.72);
  line-height: 1.65; max-width: 480px;
  margin-bottom: var(--sp8);
}
.cta-contacts {
  display: flex; gap: 28px; flex-wrap: wrap;
}
.cta-contact-item {
  font-size: 13px; font-weight: 400;
  color: rgba(255,255,255,0.5);
}
.cta-contact-item strong {
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  display: block; margin-bottom: 2px;
}
.cta-btns {
  display: flex; flex-direction: column;
  gap: 14px; align-items: flex-start; flex-shrink: 0;
}

/* ── FOOTER (fond #000) ── */
.site-footer {
  background: var(--black);
  padding: 56px var(--pad-h) 32px;
}
.footer-inner { max-width: var(--container); margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  margin-bottom: 28px;
}
.footer-logo {
  font-family: var(--serif);
  font-size: 24px; font-weight: 600;
  letter-spacing: 0.1em; color: #fff;
  margin-bottom: 10px;
}
.footer-logo span { color: var(--orange); }
.footer-tagline {
  font-size: 13px; font-weight: 400;
  color: rgba(255,255,255,0.28);
  line-height: 1.75; max-width: 200px;
  margin-bottom: 20px;
}
.footer-contact-info {
  display: flex; flex-direction: column; gap: 6px;
}
.footer-contact-info a {
  font-size: 12px; font-weight: 400;
  color: rgba(255,255,255,0.35);
  transition: color var(--transition);
}
.footer-contact-info a:hover { color: var(--orange); }
.footer-col-title {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: rgba(255,255,255,0.2); margin-bottom: 18px;
}
.footer-links {
  display: flex; flex-direction: column; gap: 11px;
}
.footer-links a {
  font-size: 13px; font-weight: 400;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy {
  font-size: 11px; font-weight: 400;
  color: rgba(255,255,255,0.18);
  letter-spacing: 0.04em;
}
.footer-stack {
  display: flex; gap: 16px; align-items: center;
}
.footer-stack-item {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255,255,255,0.15);
}
.footer-stack-sep { color: rgba(255,255,255,0.08); font-size: 10px; }

/* ── PAGE HEADER (pages internes) ── */
.page-header {
  background: var(--noir);
  padding: 80px 0 72px;
}
.page-header .eyebrow { color: var(--orange); }

/* ── CARDS OFFRES ── */
.offer-card {
  background: var(--blanc);
  border: 1px solid var(--bordure);
  padding: var(--sp12);
  position: relative;
  transition: box-shadow var(--transition);
}
.offer-card:hover { box-shadow: 0 8px 40px rgba(0,0,0,0.08); }
.offer-badge {
  display: inline-flex;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 6px 14px;
  margin-bottom: 24px;
}
.offer-badge.filled { background: var(--orange); color: #fff; }
.offer-badge.outline { border: 1px solid var(--orange); color: var(--orange); }
.offer-delivs {
  display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 28px;
}
.offer-deliv {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; font-weight: 400; color: var(--gris-l);
}
.offer-deliv::before {
  content: '✓';
  color: var(--orange);
  font-weight: 600; font-size: 13px;
  flex-shrink: 0; margin-top: 1px;
}
.offer-price {
  padding-top: 20px;
  border-top: 1px solid var(--bordure);
  font-size: 14px; font-weight: 400; color: var(--gris-ll);
}
.offer-price strong { color: var(--orange); font-weight: 600; }

/* ── CASE STUDIES (réalisations) ── */
.case-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--bordure);
  overflow: hidden;
  background: var(--blanc);
  margin-bottom: var(--gap);
  transition: box-shadow var(--transition);
}
.case-card:hover { box-shadow: 0 12px 48px rgba(0,0,0,0.1); }
.case-img {
  min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.case-metrics {
  display: flex; gap: 0;
  position: absolute; bottom: 0; left: 0; right: 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.case-metric {
  flex: 1;
  padding: 14px 16px;
  border-right: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.5); backdrop-filter: blur(6px);
}
.case-metric:last-child { border-right: none; }
.case-metric-val {
  font-family: var(--serif);
  font-size: 22px; font-weight: 300;
  color: var(--orange); line-height: 1;
}
.case-metric-label {
  font-size: 9px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.45); margin-top: 3px;
}
.case-content { padding: 44px; }
.case-badge {
  display: inline-flex;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(224,92,26,0.25);
  padding: 5px 12px;
  background: var(--orange-l);
  margin-bottom: 18px;
}
.case-delivs {
  display: flex; flex-direction: column; gap: 8px;
  margin-top: 20px;
}
.case-deliv {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 400; color: var(--gris-l);
}
.case-deliv::before {
  content: '✓'; color: var(--orange);
  font-weight: 600; font-size: 12px; flex-shrink: 0;
}

/* ── ABOUT PAGE ── */
.founder-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px; align-items: start;
}
.founder-img {
  aspect-ratio: 1/1;
  background: var(--off2);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.founder-img-placeholder {
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gris-ll);
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: var(--sp12);
}
.value-card {
  background: var(--off);
  padding: 36px 32px;
  border-left: 3px solid transparent;
  transition: border-color var(--transition);
}
.value-card:hover { border-left-color: var(--orange); }
.value-title {
  font-family: var(--serif);
  font-size: 20px; font-weight: 400;
  color: var(--noir); margin-bottom: 12px;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  :root { --pad-h: 32px; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-right { min-height: 300px; }
  .hero-left::after { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .services-header { flex-direction: column; align-items: flex-start; gap: 24px; }
  .projects-header { flex-direction: column; align-items: flex-start; gap: 20px; }
  .proj-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-grid { grid-template-columns: 1fr; }
  .cta-btns { flex-direction: row; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .case-card { grid-template-columns: 1fr; }
  .founder-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --pad-h: 20px; --sp24: 64px; --gap: 20px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .hero-stats { flex-direction: column; gap: 20px; border-top: none; padding-top: 0; }
  .hero-stat { border-right: none; padding-right: 0; margin-right: 0; border-bottom: 1px solid rgba(255,255,255,0.06); padding-bottom: 16px; }
  .hero-stat:last-child { border-bottom: none; }
  .services-grid { grid-template-columns: 1fr; }
  .svc-card { border-right: none; border-bottom: 1px solid var(--bordure-d); }
  .svc-card:last-child { border-bottom: none; }
  .proj-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .clients-list { overflow: hidden; }
  .client-item:nth-child(n+4) { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .values-grid { grid-template-columns: 1fr; }
  .cta-btns { flex-direction: column; width: 100%; }
  .cta-btns .btn-w, .cta-btns .btn-ghost { width: 100%; justify-content: center; }
}

/* ── SKIP NAV ── */
.skip-nav {
  position: absolute; left: -9999px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}
.skip-nav:focus {
  position: fixed; top: 0; left: 0; width: auto; height: auto;
  background: var(--orange); color: #fff;
  padding: 8px 16px; z-index: 9999;
  font-size: 13px; font-weight: 600;
}

/* ── UTILITAIRES ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.text-orange { color: var(--orange); }
.mt-4 { margin-top: var(--sp4); }
.mt-6 { margin-top: var(--sp6); }
.mt-8 { margin-top: var(--sp8); }