/* ============================================================
   Raz One Tech — style.css
   Conseil technique et digital
   Palette: #2F80ED (primary) / #1F2937 (text) / #F8FAFC (bg)
   Typo: Noto Sans
   Icônes & illustrations: fichiers SVG Tabler
   ============================================================ */

/* ---------- Fonts (self-hosted, variable weight 400-800) ---------- */
@font-face {
  font-family: "Noto Sans";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/noto-sans-latin-variable.woff2") format("woff2-variations"),
       url("../fonts/noto-sans-latin-variable.woff2") format("woff2");
}

/* ---------- Tokens ---------- */
:root {
  --c-primary: #2F80ED;
  --c-primary-dark: #1E5BC6;
  --c-primary-soft: #E8F1FE;
  --c-primary-soft-2: #F0F6FE;
  --c-text: #1F2937;
  --c-text-soft: #6B7280;
  --c-bg: #F8FAFC;
  --c-white: #FFFFFF;
  --c-border: #E5EAF1;
  --c-border-strong: #D7DEE8;

  --shadow-xs: 0 1px 2px rgba(31, 41, 55, 0.05);
  --shadow-sm: 0 4px 14px rgba(31, 41, 55, 0.06);
  --shadow-md: 0 12px 30px rgba(31, 41, 55, 0.08);
  --shadow-lg: 0 24px 60px rgba(31, 41, 55, 0.12);
  --shadow-blue: 0 16px 32px rgba(47, 128, 237, 0.25);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  --container: 1180px;
  --header-h: 76px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 0.2s var(--ease);
  --t: 0.35s var(--ease);

  --font: "Noto Sans", Arial, Helvetica, sans-serif;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

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

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

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

input, textarea, select { font-family: inherit; font-size: 100%; }

h1, h2, h3, h4 { line-height: 1.2; color: var(--c-text); font-weight: 800; letter-spacing: -0.02em; }

:focus-visible { outline: 3px solid rgba(47, 128, 237, 0.45); outline-offset: 2px; border-radius: 6px; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.section { padding: 84px 0; position: relative; }
.section--tight { padding: 64px 0; }
.section--bg-soft { background: var(--c-white); }
.section--bg-light { background: linear-gradient(180deg, var(--c-bg) 0%, #EEF3FA 100%); }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.section-head .eyebrow { margin-bottom: 18px; }
.section-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
.section-head p { margin-top: 16px; color: var(--c-text-soft); font-size: 1.06rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn img { width: 18px; height: 18px; flex: none; }
/* Icônes Tabler bleues -> blanches sur boutons primaires/clairs */
.btn--primary img, .btn--light img { filter: brightness(0) invert(1); }
.btn--primary {
  background: var(--c-primary);
  color: var(--c-white);
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover { background: var(--c-primary-dark); transform: translateY(-2px); box-shadow: 0 20px 38px rgba(47, 128, 237, 0.35); }
.btn--ghost {
  background: var(--c-white);
  color: var(--c-text);
  border-color: var(--c-border-strong);
  box-shadow: var(--shadow-xs);
}
.btn--ghost:hover { border-color: var(--c-primary); color: var(--c-primary); transform: translateY(-2px); }
.btn--light { background: rgba(255,255,255,0.16); color: var(--c-white); border-color: rgba(255,255,255,0.3); }
.btn--light:hover { background: rgba(255,255,255,0.26); transform: translateY(-2px); }
.btn--block { width: 100%; }
.btn--lg { padding: 16px 32px; font-size: 1.02rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--t), box-shadow var(--t), height var(--t);
  background: transparent;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 rgba(31,41,55,0.06), 0 8px 24px rgba(31,41,55,0.05);
  height: 68px;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
.brand { display: flex; align-items: center; gap: 10px; }
/* Logo texte pur : RAZ'ONE (bold) + TECH (regular), seul ONE en bleu */
.logo {
  font-family: var(--font);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--c-text);
  letter-spacing: -0.02em;
  white-space: nowrap;
  user-select: none;
}
.logo-raz { font-weight: 700; }
.logo-one { font-weight: 700; color: var(--c-primary); }
.logo-tech { font-weight: 400; }
.logo--light { color: #FFFFFF; }
.logo--light .logo-tech { color: #FFFFFF; }
.logo--light .logo-one { color: var(--c-primary); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 9px 14px;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--c-text);
  border-radius: 8px;
  transition: color var(--t-fast), background var(--t-fast);
}
.site-header:not(.scrolled) .nav a { color: var(--c-text); }
.nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px;
  background: var(--c-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast);
  border-radius: 2px;
}
.nav a:hover { color: var(--c-primary); }
.nav a:hover::after { transform: scaleX(1); }

.header-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 10px;
  align-items: center; justify-content: center;
  color: var(--c-text);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 22px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-toggle span::before { transform: translateY(-7px); position: absolute; }
.nav-toggle span::after { transform: translateY(7px); position: absolute; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg); }

/* mobile menu — top:0 + padding-top = header height => no gap with header */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--c-white);
  padding: var(--header-h) 20px 28px;
  box-shadow: var(--shadow-md);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--t), opacity var(--t), visibility var(--t);
  z-index: 99;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  max-height: 100vh;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-menu a {
  display: block;
  padding: 14px 12px;
  font-weight: 700;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text);
}
.mobile-menu a:last-of-type { border-bottom: none; }
.mobile-menu .btn { margin-top: 16px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 70px) 0 70px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 560px;
  background:
    radial-gradient(1100px 460px at 78% -8%, rgba(47,128,237,0.16), transparent 60%),
    radial-gradient(900px 420px at 10% 0%, rgba(47,128,237,0.08), transparent 55%),
    linear-gradient(180deg, #F1F6FE 0%, var(--c-bg) 100%);
  z-index: -1;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px 8px 8px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-text-soft);
  box-shadow: var(--shadow-xs);
  margin-bottom: 26px;
}
.hero-badge b {
  background: var(--c-primary);
  color: #fff;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: 22px;
}
.hero h1 .accent { color: var(--c-primary); }
.hero-sub {
  font-size: 1.12rem;
  color: var(--c-text-soft);
  max-width: 560px;
  margin-bottom: 16px;
}
.hero-sub2 {
  font-size: 1rem;
  color: var(--c-text-soft);
  max-width: 560px;
  margin-bottom: 32px;
  opacity: 0.92;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-tagline {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  padding: 12px 22px;
  background: rgba(47, 128, 237, 0.08);
  border: 1px solid rgba(47, 128, 237, 0.22);
  border-radius: var(--radius-pill);
  color: var(--c-primary);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: -0.01em;
}
.hero-tagline .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--c-primary); opacity: 0.5; }

.hero-visual { position: relative; }
.hero-visual img { width: 100%; }

/* ---------- Présentation ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.about-visual img { width: 100%; }
.about-text h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-bottom: 18px; }
.about-text > p { color: var(--c-text-soft); font-size: 1.06rem; margin-bottom: 28px; }
.feature-list { display: grid; gap: 18px; }
.feature-list li { display: flex; gap: 16px; align-items: flex-start; }
.feature-list .ico {
  flex: none;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  border-radius: 12px;
}
.feature-list .ico img { width: 24px; height: 24px; }
.feature-list h3 { font-size: 1.05rem; margin-bottom: 3px; }
.feature-list p { color: var(--c-text-soft); font-size: 0.96rem; }

/* ---------- Expertise cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cards-grid .card:nth-child(4),
.cards-grid .card:nth-child(5) { /* will reflow */ }
.expertise .cards-grid { grid-template-columns: repeat(3, 1fr); }

.card {
  position: relative;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow-xs);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), #7FB3FF);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--c-primary-soft-2); }
.card:hover::after { transform: scaleX(1); }
.card .ico {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  border-radius: 14px;
  margin-bottom: 20px;
  transition: background var(--t-fast), color var(--t-fast);
}
.card .ico img { width: 28px; height: 28px; }
.card:hover .ico { background: var(--c-primary); }
.card:hover .ico img { filter: brightness(0) invert(1); }
.card h3 { font-size: 1.18rem; margin-bottom: 10px; }
.card p { color: var(--c-text-soft); font-size: 0.98rem; }

/* ---------- Services ---------- */
.services .cards-grid { grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card .ico { margin-bottom: 18px; }
.service-card h3 { font-size: 1.1rem; margin-bottom: 14px; }
.service-card ul { display: grid; gap: 10px; }
.service-card li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 0.93rem; color: var(--c-text-soft);
}
.service-card li img { flex: none; width: 18px; height: 18px; margin-top: 3px; }

/* ---------- Approche timeline ---------- */
.approach { background: linear-gradient(180deg, var(--c-white) 0%, var(--c-bg) 100%); }
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.approach-visual img { width: 100%; }
.timeline { display: grid; gap: 14px; }
.step {
  display: flex;
  gap: 20px;
  padding: 22px 24px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.step:hover { transform: translateX(6px); box-shadow: var(--shadow-sm); }
.step .num {
  flex: none;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  background: var(--c-primary);
  color: #fff;
  border-radius: 12px;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: var(--shadow-blue);
}
.step h3 { font-size: 1.08rem; margin-bottom: 3px; }
.step p { color: var(--c-text-soft); font-size: 0.95rem; }

/* ---------- Pourquoi nous ---------- */
.why .cards-grid { grid-template-columns: repeat(4, 1fr); }
.why-card { text-align: left; }
.why-card .ico { margin-bottom: 18px; }

/* ---------- Enjeux (4 cartes contexte) ---------- */
.enjeux .cards-grid { grid-template-columns: repeat(4, 1fr); gap: 22px; }
.enjeux-card { padding: 20px 20px 50px; }
.enjeux-card .num-step {
  position: absolute; right: 10px; bottom: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--c-primary-soft); color: var(--c-primary);
  font-weight: 800; font-size: 0.95rem;
}

/* ---------- Notre accompagnement (4 cartes détaillées) ---------- */
.accompagnement .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
.accompagnement-card { padding: 34px 32px; }
.accompagnement-card .ico { width: 60px; height: 60px; border-radius: 16px; margin-bottom: 22px; }
.accompagnement-card .ico img { width: 30px; height: 30px; }
.accompagnement-card h3 { font-size: 1.3rem; margin-bottom: 4px; }
.accompagnement-card .subtitle {
  color: var(--c-primary);
  font-weight: 600;
  font-size: 0.98rem;
  margin-bottom: 14px;
}
.accompagnement-card > p { color: var(--c-text-soft); font-size: 0.97rem; margin-bottom: 6px; }
.accompagnement-card .list-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-text-soft);
  font-weight: 700;
  margin: 18px 0 12px;
}
.accompagnement-card ul { display: grid; gap: 10px; }
.accompagnement-card li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 0.95rem; color: var(--c-text);
}
.accompagnement-card li img { flex: none; width: 18px; height: 18px; margin-top: 3px; }

/* ---------- Pour qui ? (4 cartes audiences) ---------- */
.pour-qui .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
.audience-card { padding: 28px 26px; }
.audience-card .ico { margin-bottom: 18px; }
.audience-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.audience-card p { color: var(--c-text-soft); font-size: 0.96rem; }

/* ---------- Pourquoi (fondateur + bio) ---------- */
.founder-card {
  max-width: 680px;
  margin: 0 auto 8px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.founder-card .avatar {
  width: 160px; height: 160px;
  margin: 0 auto 26px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--shadow-blue);
  border: 4px solid #fff;
}
.founder-card .avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.founder-card h3 { font-size: 1.4rem; margin-bottom: 4px; }
.founder-card .role {
  color: var(--c-primary);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.founder-card p { color: var(--c-text-soft); font-size: 1rem; max-width: 520px; margin: 0 auto; }
.section-subhead {
  text-align: center;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 48px 0 8px;
  color: var(--c-text);
}
.section-subhead .accent { color: var(--c-primary); }
.pourquoi-bio {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 36px;
}
.bio-card { padding: 34px 32px; }
.bio-card .ico { width: 56px; height: 56px; border-radius: 14px; margin-bottom: 20px; }
.bio-card h3 { font-size: 1.2rem; margin-bottom: 14px; }
.bio-card > p { color: var(--c-text-soft); font-size: 0.97rem; margin-bottom: 6px; }
.bio-card .list-label {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--c-text-soft); font-weight: 700; margin: 18px 0 12px;
}
.bio-card ul { display: grid; gap: 10px; }
.bio-card li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 0.96rem; color: var(--c-text);
}
.bio-card li img { flex: none; width: 18px; height: 18px; margin-top: 3px; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--c-primary) 0%, #2563D9 60%, #1E5BC6 100%);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
  text-align: center;
  box-shadow: var(--shadow-blue);
}
.cta-band::before, .cta-band::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
}
.cta-band::before { width: 320px; height: 320px; top: -160px; right: -80px; }
.cta-band::after { width: 240px; height: 240px; bottom: -140px; left: -60px; background: rgba(255,255,255,0.06); }
.cta-band h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.4rem); position: relative; }
.cta-band p { color: rgba(255,255,255,0.9); font-size: 1.08rem; margin: 14px auto 28px; max-width: 540px; position: relative; }
.cta-band .btn { position: relative; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.contact-info h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-bottom: 16px; }
.contact-info > p { color: var(--c-text-soft); font-size: 1.05rem; margin-bottom: 30px; }
.contact-list { display: grid; gap: 18px; }
.contact-list li { display: flex; gap: 14px; align-items: center; }
.contact-list .ico {
  flex: none; width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--c-primary-soft); color: var(--c-primary);
  border-radius: 11px;
}
.contact-list .ico img { width: 22px; height: 22px; }
.contact-list .lbl { font-size: 0.82rem; color: var(--c-text-soft); }
.contact-list .val { font-weight: 700; color: var(--c-text); }

.contact-form {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 7px;
  color: var(--c-text);
}
.field label .opt { color: var(--c-text-soft); font-weight: 500; }
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--c-border-strong);
  border-radius: 11px;
  background: var(--c-bg);
  color: var(--c-text);
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}
.field input::placeholder, .field textarea::placeholder { color: #9AA3B2; }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--c-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(47,128,237,0.12);
}
.field textarea { resize: vertical; min-height: 130px; }
.field.invalid input,
.field.invalid textarea { border-color: #EF4444; background: #FEF2F2; }
.field .err { display: none; color: #EF4444; font-size: 0.82rem; margin-top: 5px; font-weight: 600; }
.field.invalid .err { display: block; }

.form-feedback {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 18px;
}
.form-feedback.success { display: flex; background: #E8F7EE; color: #15803D; border: 1px solid #BBE5C9; }
.form-feedback.error { display: flex; background: #FEF2F2; color: #B91C1C; border: 1px solid #F5C2C2; }
.form-feedback img { width: 20px; height: 20px; flex: none; }

.form-honeypot { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; opacity: 0; }

.form-submit { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 8px; }
.form-submit .legal { font-size: 0.82rem; color: var(--c-text-soft); }

/* ---------- Footer ---------- */
.site-footer {
  background: #0F1B2D;
  color: #C3CCDA;
  padding: 64px 0 28px;
  margin-top: auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand img { height: 40px; margin-bottom: 18px; }
.footer-brand p { color: #9AA6B8; font-size: 0.96rem; max-width: 320px; }
.footer-col .h4 { color: #fff; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; font-weight: 700; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: #C3CCDA; font-size: 0.95rem; transition: color var(--t-fast); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-top: 24px;
  font-size: 0.88rem;
  color: #8895A8;
  flex-wrap: wrap;
}
.footer-bottom a:hover { color: #fff; }

/* ---------- Scroll reveal (progressive enhancement) ---------- */
.reveal {
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.js .reveal { opacity: 0; transform: translateY(26px); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal[data-delay="1"] { transition-delay: 0.08s; }
.js .reveal[data-delay="2"] { transition-delay: 0.16s; }
.js .reveal[data-delay="3"] { transition-delay: 0.24s; }
.js .reveal[data-delay="4"] { transition-delay: 0.32s; }
.js .reveal[data-delay="5"] { transition-delay: 0.40s; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal, .js .reveal { opacity: 1 !important; transform: none !important; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  /* Burger menu actif sous 1024px */
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(31,41,55,0.06);
  }
  /* Hero : visuel en arrière-plan avec opacité réduite */
  .hero-grid { grid-template-columns: 1fr; gap: 0; position: relative; }
  .hero-visual {
    position: absolute; inset: 0; z-index: 0;
    display: flex; align-items: center; justify-content: center;
    max-width: none; margin: 0; order: 0;
    pointer-events: none;
  }
  .hero-visual img { max-width: 480px; width: 90%; opacity: 0.10; }
  .hero-content { position: relative; z-index: 1; }
  .hero { text-align: left; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-visual { max-width: 420px; }
  .approach-grid { grid-template-columns: 1fr; gap: 36px; }
  .approach-visual { max-width: 460px; margin-inline: auto; order: 1; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  /* Toutes les cards en 2 colonnes entre 1024 et 768 */
  .expertise .cards-grid,
  .services .cards-grid,
  .why .cards-grid,
  .enjeux .cards-grid,
  .accompagnement .cards-grid,
  .pour-qui .cards-grid,
  .pourquoi-bio { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 40px; }
  .hero { padding: calc(var(--header-h) + 40px) 0 50px; }
  .hero::before { height: 460px; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .hero-trust { gap: 20px; }
  .hero-trust .num { font-size: 1.4rem; }
  /* Toutes les cards passent en 1 colonne sous 768px */
  .expertise .cards-grid,
  .services .cards-grid,
  .why .cards-grid,
  .enjeux .cards-grid,
  .accompagnement .cards-grid,
  .pour-qui .cards-grid,
  .pourquoi-bio { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 26px 22px; }
  .cta-band { padding: 40px 26px; }
  .form-submit { flex-direction: column; align-items: stretch; }
  .form-submit .legal { text-align: center; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 560px) {
  .hero-trust { flex-direction: column; gap: 16px; }
  .card { padding: 24px 22px; }
  .founder-card { padding: 32px 22px; }
}