/* =========================================================
   Ily Consulting — Business × Data × IA
   Direction visuelle : sombre #0A0F0D / crème #F4F3EC / accent vert #59FF4A
   ========================================================= */

/* ===== Design tokens ===== */
:root {
  --ink: #0A0F0D;          /* fond sombre principal */
  --ink-2: #111814;        /* surfaces sur fond sombre */
  --ink-3: #1A231E;        /* bordures / hover sur fond sombre */
  --green: #59FF4A;        /* accent vif */
  --green-2: #B8FFB0;      /* vert secondaire */
  --green-dim: #4AE83C;    /* hover des CTA */
  --cream: #F4F3EC;        /* fond crème */
  --white: #FFFFFF;
  --text: #101513;         /* texte principal */
  --text-2: #5E6662;       /* texte secondaire */
  --border: #D9DED8;

  --font-display: 'Manrope', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --container: 1200px;
  --gutter: 1.5rem;
  --radius: 16px;
  --radius-sm: 10px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.3s;
  --dur-reveal: 0.6s;

  --shadow-card: 0 1px 2px rgba(16, 21, 19, 0.04), 0 10px 30px -12px rgba(16, 21, 19, 0.12);
  --shadow-card-hover: 0 2px 4px rgba(16, 21, 19, 0.05), 0 22px 44px -16px rgba(16, 21, 19, 0.2);
  --shadow-green: 0 8px 24px -8px rgba(89, 255, 74, 0.45);

  --header-h: 76px;
}

/* ===== Reset / base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
strong { font-weight: 700; }
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
}
h2 { font-size: clamp(1.85rem, 3.2vw, 2.75rem); }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
p { max-width: 62ch; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}
.section-dark :focus-visible { outline-color: var(--green); }
.problems :focus-visible, .services :focus-visible, .case :focus-visible,
.why :focus-visible, .about :focus-visible, .faq :focus-visible { outline-color: var(--text); }

.skip-link {
  position: absolute; left: -9999px; top: 0.75rem;
  background: var(--green); color: var(--ink);
  padding: 0.6rem 1rem; border-radius: var(--radius-sm); font-weight: 600; z-index: 1000;
}
.skip-link:focus { left: 0.75rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: 6.5rem 0; scroll-margin-top: var(--header-h); }
.section-dark { background: var(--ink); color: var(--cream); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.text-muted { color: var(--text-2); }

.section-head { max-width: 760px; margin-bottom: 3.25rem; }
.section-head h2 { margin-bottom: 1rem; }
.section-lead { color: var(--text-2); font-size: 1.1rem; }
.section-dark .section-lead { color: rgba(244, 243, 236, 0.72); }

.label {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-2); margin-bottom: 1.1rem;
}
.label::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 0 3px rgba(89, 255, 74, 0.18);
}
.label-light { color: rgba(244, 243, 236, 0.7); }

/* ===== Buttons & links ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  font-family: var(--font-body); font-weight: 600; font-size: 0.95rem; line-height: 1;
  padding: 0.85rem 1.35rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; white-space: nowrap;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:active { transform: translateY(0) scale(0.985); }
.btn-arrow { display: inline-block; transition: transform var(--dur) var(--ease); }
.btn:hover .btn-arrow, .link-arrow:hover [aria-hidden] { transform: translateX(4px); }

.btn-primary { background: var(--green); color: var(--ink); border-color: var(--green); }
.btn-primary:hover { background: var(--green-dim); border-color: var(--green-dim); transform: translateY(-2px); box-shadow: var(--shadow-green); }

.btn-outline-light { background: transparent; color: var(--cream); border-color: rgba(244, 243, 236, 0.28); }
.btn-outline-light:hover { border-color: var(--cream); background: rgba(244, 243, 236, 0.06); transform: translateY(-2px); }

.btn-lg { padding: 1.05rem 1.6rem; font-size: 1rem; }
.btn-sm { padding: 0.65rem 1.05rem; font-size: 0.88rem; }
.btn-block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: 0.95rem; color: var(--text);
  padding: 0.25rem 0; border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.link-arrow [aria-hidden] { display: inline-block; transition: transform var(--dur) var(--ease); }
.link-arrow:hover { border-bottom-color: var(--text); }
.link-arrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--green);
  margin-right: 0.15rem;
}

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 15, 13, 0.82);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(244, 243, 236, 0.08);
  color: var(--cream);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.site-header.is-scrolled { background: rgba(10, 15, 13, 0.92); border-bottom-color: rgba(244, 243, 236, 0.12); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: var(--header-h); }

.logo { display: inline-flex; align-items: center; gap: 0.7rem; }
.logo-mark { width: 36px; height: 36px; flex-shrink: 0; border-radius: 11px; }
.site-header .logo-mark rect:first-child { fill: var(--cream); }
.site-header .logo-mark rect:nth-child(2) { fill: var(--ink); }
.logo-text { display: flex; flex-direction: column; line-height: 1.05; }
.logo-name { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
.logo-name strong { font-weight: 800; }
.logo-tag { font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--green); margin-top: 3px; }

.main-nav { display: flex; align-items: center; gap: 1.9rem; }
.main-nav > a {
  font-size: 0.93rem; font-weight: 500; color: rgba(244, 243, 236, 0.78);
  position: relative; padding: 0.35rem 0;
  transition: color var(--dur) var(--ease);
}
.main-nav > a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--green); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.main-nav > a:hover, .main-nav > a.is-active { color: var(--white); }
.main-nav > a:hover::after, .main-nav > a.is-active::after { transform: scaleX(1); }
.nav-cta-mobile { display: none; }

.header-actions { display: flex; align-items: center; gap: 1rem; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em;
  color: rgba(244, 243, 236, 0.6);
  border: 1px solid rgba(244, 243, 236, 0.18); border-radius: 999px; padding: 0.4rem 0.7rem;
  transition: border-color var(--dur) var(--ease);
}
.lang-toggle:hover { border-color: rgba(244, 243, 236, 0.4); }
.lang-option.is-active { color: var(--green); }
.lang-sep { opacity: 0.4; }

.nav-burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; padding: 8px; border-radius: 8px; }
.nav-burger span { display: block; height: 2px; width: 100%; background: var(--cream); border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative; background: var(--ink); color: var(--cream);
  padding: 5.5rem 0 6.5rem; overflow: hidden; isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    radial-gradient(60% 50% at 82% 30%, rgba(89, 255, 74, 0.10), transparent 70%),
    linear-gradient(rgba(244, 243, 236, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 243, 236, 0.035) 1px, transparent 1px);
  background-size: 100% 100%, 56px 56px, 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
}
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr); gap: 4rem; align-items: center; }

.hero-title {
  font-size: clamp(2.35rem, 4.6vw, 3.9rem); color: var(--white);
  margin-bottom: 1.5rem; letter-spacing: -0.03em;
}
.hero-title > span { display: block; }
.hero-title-accent { color: var(--green); }
.hero-subtitle { font-size: 1.15rem; line-height: 1.65; color: rgba(244, 243, 236, 0.75); max-width: 54ch; margin-bottom: 1.75rem; }

.value-chain { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.35rem; margin-bottom: 2.25rem; }
.value-chain li {
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em;
  color: var(--cream); background: rgba(244, 243, 236, 0.06);
  border: 1px solid rgba(244, 243, 236, 0.14); border-radius: 999px; padding: 0.4rem 0.8rem;
}
.value-chain li:first-child { color: var(--ink); background: var(--green-2); border-color: var(--green-2); }
.value-chain li + li::before { content: '→'; margin-right: 0.35rem; color: var(--green); margin-left: -0.3rem; }
.value-chain li + li { padding-left: 0.6rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* Hero visual : photo + panneau "diagnostic" en superposition + carte flottante */
.hero-visual { position: relative; padding: 0 0 2.5rem 3.5rem; }
.hero-photo {
  width: 100%; height: 540px; object-fit: cover; object-position: 60% center; border-radius: 24px;
  filter: grayscale(100%) contrast(1.05);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(244, 243, 236, 0.1);
}
.hero-visual::after {
  content: ''; position: absolute; left: 3.5rem; right: 0; top: 0; bottom: 2.5rem; border-radius: 24px; pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 15, 13, 0.05) 30%, rgba(10, 15, 13, 0.55) 100%);
}
.hero-panel {
  position: absolute; left: 0; bottom: 5rem; width: min(84%, 430px); z-index: 2;
  background: var(--cream); color: var(--text);
  border-radius: 20px; padding: 1.25rem;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(244, 243, 236, 0.08);
}
.hero-panel-head {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
  padding-bottom: 0.9rem; border-bottom: 1px solid var(--border); margin-bottom: 0.4rem;
}
.hero-panel-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(89, 255, 74, 0.2); }
.hero-panel-tag { margin-left: auto; font-family: var(--font-body); font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); }
.hero-panel-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.6rem 0; border-bottom: 1px dashed var(--border); font-size: 0.92rem;
}
.hero-panel-list li:last-child { border-bottom: 0; }
.hp-status { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em; padding: 0.3rem 0.6rem; border-radius: 999px; white-space: nowrap; }
.hp-status.is-auto { background: var(--ink); color: var(--green); }
.hp-status.is-partial { background: var(--green-2); color: var(--ink); }
.hp-status.is-manual { background: var(--white); color: var(--text-2); border: 1px solid var(--border); }
.hero-panel-chain {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem;
  margin-top: 1rem; padding-top: 0.9rem; border-top: 1px solid var(--border);
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-2);
}
.hpc-arrow { width: 14px; height: 1px; background: var(--text-2); position: relative; opacity: 0.6; }
.hpc-arrow::after { content: ''; position: absolute; right: -1px; top: -2.5px; border: 3px solid transparent; border-left-color: var(--text-2); }

.hero-float {
  position: absolute; right: 0; bottom: 0; z-index: 3;
  display: flex; align-items: center; gap: 0.85rem;
  background: var(--ink-2); color: var(--cream);
  border: 1px solid rgba(89, 255, 74, 0.28); border-radius: 14px; padding: 0.9rem 1.1rem;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.8);
  animation: float 6s ease-in-out infinite;
}
.hero-float p { font-size: 0.88rem; line-height: 1.4; max-width: none; }
.hero-float strong { color: var(--white); }
.hero-float-icon {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  background: var(--green); color: var(--ink);
}
.hero-float-icon svg { width: 16px; height: 16px; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* Animation d'entrée du hero */
.hero-anim { opacity: 0; transform: translateY(16px); animation: hero-in 0.7s var(--ease) forwards; animation-delay: calc(0.08s + var(--d, 0) * 0.09s); }
@keyframes hero-in { to { opacity: 1; transform: translateY(0); } }

/* ===== Reveal on scroll ===== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity var(--dur-reveal) var(--ease), transform var(--dur-reveal) var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.stagger > .reveal { transition-delay: calc(var(--i, 0) * 70ms); }

/* ===== Problèmes ===== */
.problems { background: var(--cream); }
.problem-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.problem-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; display: flex; flex-direction: column; gap: 1.1rem;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: transparent; }
.problem-card h3 { font-size: 1.02rem; }
.p-icon {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: var(--cream); color: var(--text); border: 1px solid var(--border);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.p-icon svg { width: 20px; height: 20px; }
.problem-card:hover .p-icon { background: var(--ink); color: var(--green); border-color: var(--ink); }

/* ===== Services ===== */
.services { background: var(--white); }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.service-card {
  position: relative; background: var(--cream); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem 1.75rem 1.75rem; display: flex; flex-direction: column;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: transparent; }
.service-card::before {
  content: ''; position: absolute; left: 1.75rem; right: 1.75rem; top: 0; height: 2px;
  background: var(--green); transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease);
}
.service-card:hover::before { transform: scaleX(1); }
.service-num { font-family: var(--font-display); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.08em; color: var(--text-2); margin-bottom: 1.25rem; }
.service-card h3 { font-size: 1.45rem; margin-bottom: 0.5rem; }
.service-tagline { color: var(--text-2); font-size: 0.98rem; margin-bottom: 1.4rem; }
.service-list { display: flex; flex-direction: column; gap: 0.55rem; margin-bottom: 1.75rem; flex: 1; }
.service-list li { position: relative; padding-left: 1.3rem; font-size: 0.95rem; }
.service-list li::before {
  content: ''; position: absolute; left: 0; top: 0.62em; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 0 2px rgba(89, 255, 74, 0.2);
}

/* ===== Cas pratique ===== */
.case { background: var(--cream); }
.case-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 2rem; align-items: start; }
.case-context {
  background: var(--ink); color: var(--cream); border-radius: var(--radius); padding: 2rem;
  position: sticky; top: calc(var(--header-h) + 1.5rem);
}
.case-context h3 { color: var(--white); font-size: 1.05rem; margin: 1.5rem 0 0.9rem; }
.case-badge {
  display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink); background: var(--green); padding: 0.35rem 0.7rem; border-radius: 999px;
}
.case-sector { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--white); margin-top: 1.1rem; line-height: 1.2; }
.check-list { display: flex; flex-direction: column; gap: 0.6rem; }
.check-list li { position: relative; padding-left: 1.6rem; font-size: 0.95rem; }
.check-list li::before {
  content: ''; position: absolute; left: 0; top: 0.3em; width: 16px; height: 16px; border-radius: 50%;
  background: var(--green) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M7 12.5l3.2 3.2L17 9' stroke='%230A0F0D' stroke-width='2.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 100% no-repeat;
}
.check-list.compact { gap: 0.45rem; }
.check-list.compact li { font-size: 0.93rem; color: var(--text-2); }
.check-list.compact li::before {
  background: var(--ink) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M7 12.5l3.2 3.2L17 9' stroke='%2359FF4A' stroke-width='2.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 100% no-repeat;
}

.case-path { display: flex; flex-direction: column; gap: 0; }
.case-step {
  position: relative; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 1.25rem;
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.6rem 1.75rem;
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.case-step:hover { box-shadow: var(--shadow-card); transform: translateY(-2px); }
.case-step + .case-step { margin-top: 2.25rem; }
.case-step + .case-step::before {
  content: ''; position: absolute; left: 50%; top: -2.25rem; height: 2.25rem; width: 2px;
  background: repeating-linear-gradient(180deg, var(--green) 0 4px, transparent 4px 9px);
}
.case-step + .case-step::after {
  content: ''; position: absolute; left: 50%; top: -6px; width: 8px; height: 8px; margin-left: -3px;
  border-right: 2px solid var(--green); border-bottom: 2px solid var(--green); transform: rotate(45deg);
}
.case-step h3 { font-size: 1.15rem; margin-bottom: 0.45rem; }
.case-step p { color: var(--text-2); font-size: 0.98rem; }
.step-num {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: var(--ink); color: var(--green); font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
}

/* ===== Méthode (sombre) ===== */
.method { position: relative; overflow: hidden; }
.method .section-head h2 { color: var(--white); }
.method-steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.25rem; position: relative; }
.method-step { position: relative; padding-top: 0.5rem; }
.method-num {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  border: 1.5px solid var(--green); color: var(--green); background: var(--ink);
  font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; margin-bottom: 1.35rem; position: relative; z-index: 1;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.method-step:hover .method-num { background: var(--green); color: var(--ink); box-shadow: var(--shadow-green); }
.method-step:not(:last-child)::before {
  content: ''; position: absolute; left: 52px; right: -1.25rem; top: calc(0.5rem + 26px); height: 1px;
  background: repeating-linear-gradient(90deg, rgba(89, 255, 74, 0.55) 0 5px, transparent 5px 11px);
}
.method-step:not(:last-child)::after {
  content: ''; position: absolute; right: -1.25rem; top: calc(0.5rem + 23px); width: 6px; height: 6px;
  border-right: 1px solid rgba(89, 255, 74, 0.8); border-top: 1px solid rgba(89, 255, 74, 0.8); transform: rotate(45deg);
}
.method-step h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.method-step p { color: rgba(244, 243, 236, 0.7); font-size: 0.95rem; }

/* ===== Pourquoi ===== */
.why { background: var(--white); }
.why-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; }
.why-card {
  border-top: 2px solid var(--border); padding-top: 1.5rem;
  transition: border-color var(--dur) var(--ease);
}
.why-card:hover { border-top-color: var(--green); }
.why-tag {
  display: inline-block; font-family: var(--font-display); font-weight: 800; font-size: 0.78rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-2); margin-bottom: 0.75rem;
}
.why-card p { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; line-height: 1.3; letter-spacing: -0.01em; }

/* ===== À propos ===== */
.about { background: var(--cream); }
.about-inner { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); gap: 4rem; align-items: center; }
.about-text h2 { margin-bottom: 1.5rem; }
.about-text h2 span { display: inline; }
.about-text p { color: var(--text-2); margin-bottom: 1rem; font-size: 1.05rem; }
.about-text .link-toggle { margin-top: 0.5rem; }
.link-toggle[aria-expanded="true"] [aria-hidden] { transform: rotate(90deg); }
.bio-more { margin-top: 1.25rem; padding-left: 1.25rem; border-left: 2px solid var(--green); }
.bio-more p { font-size: 1rem; }
.bio-more p:last-child { margin-bottom: 0; }

.about-card {
  background: var(--white); border: 1px solid var(--border); border-radius: 20px; padding: 1rem;
  box-shadow: var(--shadow-card); max-width: 380px; justify-self: end; width: 100%;
}
.portrait {
  aspect-ratio: 4 / 5; border-radius: 14px; overflow: hidden;
  background:
    radial-gradient(70% 60% at 30% 25%, rgba(89, 255, 74, 0.18), transparent 70%),
    linear-gradient(rgba(244, 243, 236, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 243, 236, 0.05) 1px, transparent 1px),
    var(--ink);
  background-size: 100% 100%, 28px 28px, 28px 28px, 100% 100%;
  display: grid; place-items: center;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.about-card-body { padding: 1.1rem 0.5rem 0.4rem; }
.about-name { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.about-role { color: var(--text-2); font-size: 0.92rem; margin-top: 0.15rem; }
.about-loc { display: inline-flex; align-items: center; gap: 0.45rem; color: var(--text-2); font-size: 0.85rem; margin-top: 0.6rem; }
.about-loc::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

/* ===== FAQ ===== */
.faq { background: var(--white); }
.faq-inner { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 3rem; align-items: start; }
.faq-inner .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 1.5rem); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item h3 { font-size: inherit; }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.25rem;
  padding: 1.35rem 0; text-align: left; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  transition: color var(--dur) var(--ease);
}
.faq-question:hover { color: var(--text-2); }
.faq-icon { position: relative; flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border); transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; left: 50%; top: 50%; background: var(--text); transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease); }
.faq-icon::before { width: 12px; height: 1.5px; transform: translate(-50%, -50%); }
.faq-icon::after { width: 1.5px; height: 12px; transform: translate(-50%, -50%); }
.faq-item.is-open .faq-icon { background: var(--ink); border-color: var(--ink); }
.faq-item.is-open .faq-icon::before, .faq-item.is-open .faq-icon::after { background: var(--green); }
.faq-item.is-open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-answer p { color: var(--text-2); padding-bottom: 1.4rem; max-width: 60ch; }

/* ===== CTA final ===== */
.cta { position: relative; overflow: hidden; }
.cta-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.cta-lines path { fill: none; stroke: var(--green); stroke-width: 1; opacity: 0.16; }
.cta-lines path:nth-child(2) { opacity: 0.09; }
.cta-lines path:nth-child(3) { opacity: 0.12; }
.cta-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4rem; align-items: center; }
.cta-text h2 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); color: var(--white); margin-bottom: 1.25rem; }
.cta-lead { color: rgba(244, 243, 236, 0.75); font-size: 1.12rem; margin-bottom: 2.25rem; max-width: 46ch; }

.cta-channels { display: flex; flex-direction: column; gap: 0.75rem; max-width: 420px; }
.channel {
  display: flex; align-items: center; gap: 1rem;
  background: var(--ink-2); border: 1px solid rgba(244, 243, 236, 0.1); border-radius: 14px; padding: 0.9rem 1rem;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
a.channel:hover { border-color: rgba(89, 255, 74, 0.5); transform: translateY(-2px); background: var(--ink-3); }
.channel-icon { flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(89, 255, 74, 0.1); color: var(--green); }
.channel-icon svg { width: 20px; height: 20px; }
.channel-body { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.channel-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(244, 243, 236, 0.55); }
.channel-value { font-weight: 600; color: var(--white); font-size: 0.95rem; overflow-wrap: anywhere; }
.channel.is-soon { opacity: 0.65; cursor: default; }
.channel-soon { margin-left: auto; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--green); border: 1px solid rgba(89, 255, 74, 0.35); border-radius: 999px; padding: 0.25rem 0.55rem; white-space: nowrap; }

.contact-form {
  background: var(--cream); color: var(--text); border-radius: 20px; padding: 2rem;
  display: flex; flex-direction: column; gap: 1.1rem;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-row { display: flex; flex-direction: column; gap: 0.45rem; min-width: 0; }
.form-row label { font-size: 0.88rem; font-weight: 600; color: var(--text); }
.form-row input, .form-row textarea {
  width: 100%; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.8rem 0.95rem; font-size: 1rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.form-row textarea { resize: vertical; min-height: 110px; }
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(89, 255, 74, 0.35); }
.form-row input[aria-invalid="true"], .form-row textarea[aria-invalid="true"] { border-color: #C0392B; }
.form-note { font-size: 0.82rem; color: var(--text-2); }
.form-status { font-size: 0.9rem; font-weight: 600; min-height: 1.2em; }
.form-status.is-ok { color: #1F7A2E; }
.form-status.is-error { color: #C0392B; }

/* ===== Footer ===== */
.site-footer { background: var(--ink); color: rgba(244, 243, 236, 0.7); border-top: 1px solid rgba(244, 243, 236, 0.08); padding: 4rem 0 0; }
.footer-inner { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); gap: 3rem; padding-bottom: 3rem; }
.logo-light { color: var(--cream); }
.footer-desc { margin-top: 1.25rem; font-size: 0.95rem; max-width: 36ch; }
.footer-nav { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-nav a, .footer-contact a { font-size: 0.95rem; transition: color var(--dur) var(--ease); }
.footer-nav a:hover, .footer-contact a:hover { color: var(--green); }
.footer-heading { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(244, 243, 236, 0.5); margin-bottom: 0.75rem; }
.footer-contact a { display: inline-block; color: var(--cream); overflow-wrap: anywhere; }
.footer-loc { font-size: 0.9rem; margin-top: 0.5rem; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid rgba(244, 243, 236, 0.08); padding: 1.5rem var(--gutter); font-size: 0.85rem; color: rgba(244, 243, 236, 0.5);
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .hero-anim, .reveal { opacity: 1; transform: none; animation: none; }
  .hero-float { animation: none; }
}

/* ===== Responsive ===== */
@media (max-width: 1180px) {
  .main-nav { gap: 1.3rem; }
  .main-nav > a { font-size: 0.88rem; }
}

@media (max-width: 1023px) {
  .section { padding: 5rem 0; }
  .hero { padding: 4rem 0 5rem; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 3rem; }
  .hero-visual { max-width: 560px; }
  .hero-photo { height: 480px; }
  .problem-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: minmax(0, 1fr); }
  .case-context { position: static; }
  .method-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
  .method-step:not(:last-child)::before, .method-step:not(:last-child)::after { display: none; }
  .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
  .about-inner { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .about-card { justify-self: start; max-width: 340px; }
  .faq-inner { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .faq-inner .section-head { position: static; }
  .cta-inner { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  /* Navigation mobile */
  .nav-burger { display: flex; }
  .nav-cta { display: none; }
  .nav-cta-mobile { display: inline-flex; margin-top: 0.75rem; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); border-bottom: 1px solid rgba(244, 243, 236, 0.1);
    padding: 0.75rem var(--gutter) 1.5rem; max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    transform: translateY(-8px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), visibility 0s linear var(--dur);
  }
  .main-nav.is-open { transform: none; opacity: 1; visibility: visible; pointer-events: auto; transition-delay: 0s; }
  .main-nav > a { font-size: 1.05rem; padding: 0.9rem 0; border-bottom: 1px solid rgba(244, 243, 236, 0.08); }
  .main-nav > a::after { display: none; }
}

@media (max-width: 767px) {
  :root { --gutter: 1.25rem; --header-h: 68px; }
  body { font-size: 1rem; }
  .section { padding: 4rem 0; }
  .section-head { margin-bottom: 2.25rem; }
  h2 { font-size: clamp(1.65rem, 6.5vw, 2.2rem); }
  .hero { padding: 3rem 0 4rem; }
  .hero-title { font-size: clamp(2rem, 8.5vw, 2.8rem); }
  .hero-subtitle { font-size: 1.02rem; }
  .hero-actions .btn { width: 100%; }
  .hero-visual { padding: 0; max-width: none; }
  .hero-visual::after { display: none; }
  .hero-photo { height: auto; aspect-ratio: 4 / 3; border-radius: 18px; }
  .hero-panel { position: relative; z-index: 2; bottom: auto; width: auto; margin-top: -2.5rem; margin-left: 0.75rem; margin-right: 0.75rem; padding: 1.1rem; }
  .hero-panel-tag { display: none; }
  .hero-panel-head { font-size: 0.9rem; }
  .hero-float { position: static; margin: 0.75rem 0.75rem 0; animation: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-card { flex-direction: row; align-items: center; padding: 1.1rem 1.25rem; }
  .method-steps { grid-template-columns: 1fr; gap: 1.75rem; }
  .method-step { display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 1rem; padding-top: 0; }
  .method-num { width: 44px; height: 44px; margin: 0; grid-row: 1 / span 2; font-size: 0.85rem; }
  .why-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-card { max-width: none; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 1.4rem; }
  .cta-text h2 { font-size: clamp(2rem, 9vw, 2.6rem); }
  .footer-inner { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.35rem; }
  .logo-tag { display: none; }
  .site-header .logo-text .logo-tag { display: none; }
  .lang-toggle { padding: 0.35rem 0.55rem; }
}

@media (max-width: 380px) {
  .header-inner { gap: 0.5rem; }
  .logo-name { font-size: 0.95rem; white-space: nowrap; }
  .btn { white-space: normal; text-align: center; }
  .btn-lg { padding-left: 1.1rem; padding-right: 1.1rem; }
  .value-chain li { font-size: 0.76rem; padding: 0.35rem 0.6rem; }
  .hero-panel-list li { font-size: 0.85rem; }
  .hp-status { font-size: 0.66rem; }
}

@media (min-width: 1440px) {
  :root { --container: 1280px; }
  .section { padding: 7.5rem 0; }
  .hero { padding: 6.5rem 0 7.5rem; }
}