/* ==========================================================
   GHECHI CONSULTING
   Operational Excellence & Digital Transformation
   Design system : navy / white, executive, timeless
   ========================================================== */

:root {
  /* Palette — volontairement minimale */
  --navy: #0A1F3D;         /* bleu de marque */
  --navy-deep: #06152A;    /* fonds sombres */
  --navy-soft: #17355C;    /* survols sur navy */
  --accent: #1E5AA8;       /* unique couleur d'accent, usage rare */
  --accent-soft: #EAF1F9;

  --ink: #0E1A26;          /* titres */
  --body: #47586A;         /* texte courant */
  --muted: #7C8B9A;        /* légendes, méta */

  --line: #E4E9EF;         /* filets et séparateurs */
  --line-soft: #EFF3F7;

  --bg: #FFFFFF;
  --bg-alt: #F7F9FB;
  --white: #FFFFFF;

  --font-head: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Source Serif 4", Georgia, serif;

  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(10, 31, 61, 0.04);
  --shadow: 0 18px 48px -28px rgba(10, 31, 61, 0.28);
  --shadow-lg: 0 30px 70px -34px rgba(10, 31, 61, 0.36);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--body);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: min(var(--max), 90vw); margin: 0 auto; }
.container.narrow { width: min(840px, 90vw); }
.center { text-align: center; }
.center .lead, .center .section-lead { margin-left: auto; margin-right: auto; }

/* ---------- Reveal au scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: none; }
.stagger > *:nth-child(2) { transition-delay: 0.07s; }
.stagger > *:nth-child(3) { transition-delay: 0.14s; }
.stagger > *:nth-child(4) { transition-delay: 0.21s; }
.stagger > *:nth-child(5) { transition-delay: 0.28s; }
.stagger > *:nth-child(6) { transition-delay: 0.35s; }
.stagger > *:nth-child(7) { transition-delay: 0.42s; }
.stagger > *:nth-child(8) { transition-delay: 0.49s; }

/* ==========================================================
   TYPOGRAPHIE
   ========================================================== */
.eyebrow {
  display: block;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 12px;
}
.center .eyebrow::before { display: none; }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(30px, 3.9vw, 50px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: var(--ink);
  max-width: 18em;
}
.center .section-title { margin-left: auto; margin-right: auto; }

.section-lead {
  margin-top: 24px;
  max-width: 58ch;
  font-size: 18.5px;
  line-height: 1.72;
  color: var(--body);
}

.section-head { margin-bottom: 72px; }

/* ==========================================================
   BOUTONS
   ========================================================== */
.btn,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 17px 34px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease),
              border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.btn {
  background: var(--navy);
  color: var(--white);
}
.btn:hover { background: var(--navy-soft); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--line);
}
.btn-outline:hover { border-color: var(--navy); transform: translateY(-2px); }

.on-navy .btn { background: var(--white); color: var(--navy); }
.on-navy .btn:hover { background: #E8EEF6; }
.on-navy .btn-outline { color: var(--white); border-color: rgba(255, 255, 255, 0.32); }
.on-navy .btn-outline:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.06); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--accent);
}
.link-arrow svg { width: 15px; height: 15px; transition: transform 0.3s var(--ease); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ==========================================================
   HEADER
   ========================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 24px min(56px, 5vw);
  background: rgba(255, 255, 255, 0);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease),
              border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  padding: 14px min(56px, 5vw);
  border-bottom-color: var(--line);
}

.brand { display: flex; flex-direction: row; align-items: center; gap: 13px; }
.brand-mark { height: 40px; width: auto; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; gap: 3px; }
.site-header.scrolled .brand-mark { height: 34px; }
.brand-name {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap;
}
.brand-tag {
  font-family: var(--font-head);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.site-nav { display: flex; gap: 38px; margin-left: auto; }
.site-nav a {
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
  transition: color 0.3s var(--ease);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1.5px;
  background: var(--accent);
  transition: width 0.35s var(--ease);
}
.site-nav a:hover { color: var(--accent); }
.site-nav a:hover::after,
.site-nav a.active::after { width: 100%; }
.site-nav a.active { color: var(--accent); }

.header-right { display: flex; align-items: center; gap: 22px; }

.lang-switch { display: flex; align-items: center; gap: 2px; }
.lang-switch button {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: none;
  border: none;
  padding: 6px 7px;
  cursor: pointer;
  transition: color 0.3s var(--ease);
}
.lang-switch button:hover { color: var(--ink); }
.lang-switch button.active { color: var(--navy); }
.lang-switch button + button { border-left: 1px solid var(--line); }

.header-cta {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  background: var(--navy);
  padding: 12px 24px;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background 0.3s var(--ease);
}
.header-cta:hover { background: var(--navy-soft); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}
.nav-toggle span {
  width: 24px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

/* ==========================================================
   HERO
   ========================================================== */
.hero {
  padding: 190px 0 110px;
  background: var(--bg);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 84px;
  align-items: center;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(40px, 5.4vw, 74px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.038em;
  color: var(--ink);
}
.hero-sub {
  margin-top: 30px;
  max-width: 34em;
  font-size: 19px;
  line-height: 1.72;
  color: var(--body);
}
.hero-actions {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Vidéo encadrée, traitement éditorial (pas de fond plein écran) */
.hero-media { position: relative; }
.hero-media::after {
  content: "";
  position: absolute;
  right: -18px; bottom: -18px;
  width: 62%; height: 58%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  z-index: 0;
}
.hero-video {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(0.28) contrast(1.02);
  box-shadow: var(--shadow);
}

/* Bandeau de preuve sous le hero */
.proof {
  margin-top: 104px;
  padding-top: 44px;
  border-top: 1px solid var(--line);
}
.proof-label {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 34px;
}
.logo-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 56px;
}
.logo-row img {
  height: 34px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  transition: transform 0.35s var(--ease);
}
.logo-row img:hover { transform: translateY(-2px); }
.logo-fallback {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ==========================================================
   SECTIONS GÉNÉRIQUES
   ========================================================== */
.section { padding: 130px 0; }
.section-alt { background: var(--bg-alt); }
.section-navy {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.76);
}
.section-navy .section-title { color: var(--white); }
.section-navy .section-lead { color: rgba(255, 255, 255, 0.72); }
.section-navy .eyebrow { color: #8FB4E0; }
.section-navy .eyebrow::before { background: #8FB4E0; }

/* ---------- Chiffres clés ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.metric { border-top: 2px solid var(--navy); padding-top: 26px; }
.section-navy .metric { border-top-color: rgba(255, 255, 255, 0.4); }
.metric-num {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(38px, 4.2vw, 56px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--ink);
}
.section-navy .metric-num { color: var(--white); }
.metric-label {
  display: block;
  margin-top: 14px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--muted);
}
.section-navy .metric-label { color: rgba(255, 255, 255, 0.62); }

/* ==========================================================
   DÉFIS CLIENTS
   ========================================================== */
.challenge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.challenge {
  background: var(--bg);
  padding: 42px 32px;
  transition: background 0.35s var(--ease);
}
.section-alt .challenge { background: var(--bg-alt); }
.challenge:hover { background: var(--white); }
.section-alt .challenge:hover { background: var(--white); }
.challenge-ic {
  width: 30px; height: 30px;
  color: var(--accent);
  margin-bottom: 26px;
}
.challenge h3 {
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--ink);
}
.challenge p { margin-top: 10px; font-size: 14.5px; line-height: 1.65; color: var(--muted); }

/* ==========================================================
   OUTCOMES / HOW I HELP
   ========================================================== */
.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.outcome {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 44px 38px;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease),
              border-color 0.45s var(--ease);
}
.outcome:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.outcome-num {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.outcome h3 {
  margin-top: 20px;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--ink);
}
.outcome p { margin-top: 14px; font-size: 15.5px; line-height: 1.7; color: var(--body); }
.outcome-list { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.outcome-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
}
.outcome-list li + li { margin-top: 9px; }
.outcome-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 1.5px;
  background: var(--accent);
}

/* ==========================================================
   MÉTHODOLOGIE
   ========================================================== */
.method {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}
.method::before {
  content: "";
  position: absolute;
  top: 21px; left: 0;
  height: 1px;
  width: 100%;
  background: var(--line);
}
.section-navy .method::before { background: rgba(255, 255, 255, 0.18); }
.method-line {
  position: absolute;
  top: 21px; left: 0;
  height: 1px;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.6s var(--ease);
}
.method-line.drawn { transform: scaleX(1); }
.method-step { position: relative; padding-top: 56px; }
.method-step::before {
  content: "";
  position: absolute;
  top: 15px; left: 0;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--white);
  border: 1.5px solid var(--line);
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.section-alt .method-step::before { background: var(--bg-alt); }
.section-navy .method-step::before { background: var(--navy); border-color: rgba(255, 255, 255, 0.35); }
.method-step.visible::before { border-color: var(--accent); }
.method-num {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.method-step h3 {
  margin-top: 12px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.section-navy .method-step h3 { color: var(--white); }
.method-step p { margin-top: 10px; font-size: 14.5px; line-height: 1.65; color: var(--muted); }
.section-navy .method-step p { color: rgba(255, 255, 255, 0.6); }

/* ==========================================================
   ÉTUDES DE CAS — cartes
   ========================================================== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.case-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 46px 42px;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease),
              border-color 0.45s var(--ease);
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.case-sector {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.case-card h3 {
  margin-top: 18px;
  font-family: var(--font-head);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.28;
  color: var(--ink);
}
.case-card > p { margin-top: 14px; font-size: 15.5px; line-height: 1.7; color: var(--body); }
.case-kpi {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.case-kpi b {
  font-family: var(--font-head);
  font-size: 27px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--navy);
}
.case-kpi span { font-size: 14px; color: var(--muted); }
.case-card .link-arrow { margin-top: 24px; }

/* ==========================================================
   ÉTUDES DE CAS — page détaillée
   ========================================================== */
.case-detail {
  padding: 110px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}
.case-detail.alt { background: var(--bg-alt); }
.case-detail-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: start;
}
.case-aside { position: sticky; top: 120px; }
.case-logo {
  height: 34px;
  width: auto;
  max-width: 155px;
  object-fit: contain;
  margin-bottom: 24px;
}
.case-meta-list { margin-top: 30px; }
.case-meta-list div { padding: 16px 0; border-top: 1px solid var(--line); }
.case-meta-list dt {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.case-meta-list dd { margin-top: 6px; font-size: 15px; color: var(--ink); }
.case-detail h2 {
  font-family: var(--font-head);
  font-size: clamp(27px, 3.1vw, 38px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.18;
  color: var(--ink);
}
.case-block { margin-top: 40px; }
.case-block h4 {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.case-block p { margin-top: 16px; font-size: 16.5px; line-height: 1.78; color: var(--body); }
.impact-list { margin-top: 18px; }
.impact-list li {
  position: relative;
  padding-left: 26px;
  margin-top: 12px;
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--body);
}
.impact-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 12px; height: 1.5px;
  background: var(--accent);
}
.impact-list strong { color: var(--ink); font-weight: 600; }
.tag-row { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-row span {
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--body);
  border: 1px solid var(--line);
  background: var(--white);
  padding: 7px 14px;
  border-radius: var(--radius);
}

/* Média de cas (vidéo démo) */
.case-media {
  margin-top: 40px;
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #000;
}

/* ==========================================================
   SERVICES
   ========================================================== */
.service-block {
  padding: 104px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}
.service-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.service-index {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.service-block h2 {
  margin-top: 18px;
  font-family: var(--font-head);
  font-size: clamp(27px, 3.2vw, 40px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.16;
  color: var(--ink);
}
.service-block .service-lead {
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--body);
}
.service-outcomes {
  border-left: 2px solid var(--accent);
  padding-left: 24px;
  margin-bottom: 40px;
}
.service-outcomes p {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.55;
  color: var(--ink);
}
.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.capability-grid li {
  background: var(--bg);
  padding: 18px 22px;
  font-size: 14.5px;
  color: var(--body);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.capability-grid li:hover { background: var(--accent-soft); color: var(--navy); }
/* Nombre impair de capacités : le dernier élément occupe la ligne entière
   pour éviter une cellule vide en fin de grille. */
.capability-grid li:last-child:nth-child(odd) { grid-column: 1 / -1; }

/* ==========================================================
   SOLUTIONS PRODUITS (logiciels prêts à déployer)
   ========================================================== */
.solution-block {
  padding: 110px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}
.solution-block.alt { background: var(--bg-alt); }
.solution-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 80px;
  align-items: start;
}
.solution-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 7px 14px;
  border-radius: 999px;
}
.solution-block h2 {
  margin-top: 22px;
  font-family: var(--font-head);
  font-size: clamp(28px, 3.3vw, 42px);
  font-weight: 600;
  letter-spacing: -0.032em;
  line-height: 1.14;
  color: var(--ink);
}
.solution-sub {
  margin-top: 12px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--accent);
}
.solution-lead { margin-top: 24px; max-width: 54ch; font-size: 16.5px; line-height: 1.78; color: var(--body); }

.feature-list { margin-top: 32px; }
.feature-list li {
  position: relative;
  padding-left: 30px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--body);
}
.feature-list li + li { margin-top: 14px; }
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 15px; height: 8px;
  border-left: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
}
.feature-list strong { color: var(--ink); font-weight: 600; }

.demo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 34px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 500;
  color: var(--navy);
  border-bottom: 1.5px solid var(--line);
  padding-bottom: 5px;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.demo-link:hover { border-bottom-color: var(--accent); color: var(--accent); }
.demo-link svg { width: 15px; height: 15px; }

/* ---------- Capture d'écran produit ---------- */
.solution-shot {
  margin: 76px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
}
.solution-shot img { width: 100%; height: auto; display: block; }
.solution-shot figcaption {
  padding: 18px 26px;
  border-top: 1px solid var(--line);
  background: var(--white);
  font-family: var(--font-head);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Cartes tarifaires ---------- */
.price-stack { display: grid; gap: 20px; }
.price-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 34px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
              border-color 0.4s var(--ease);
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.price-card.featured { background: var(--navy); border-color: var(--navy); }

.price-plan {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.price-card.featured .price-plan { color: #8FB4E0; }

.price-amount {
  margin-top: 16px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.price-amount b {
  font-family: var(--font-head);
  font-size: clamp(38px, 4vw, 50px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--ink);
}
.price-card.featured .price-amount b { color: var(--white); }
.price-period { font-size: 15px; color: var(--muted); }
.price-card.featured .price-period { color: rgba(255, 255, 255, 0.62); }

.price-note {
  margin-top: 14px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--body);
}
.price-card.featured .price-note { color: rgba(255, 255, 255, 0.72); }

.price-includes {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.price-card.featured .price-includes { border-top-color: rgba(255, 255, 255, 0.16); }
.price-includes li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--body);
}
.price-includes li + li { margin-top: 11px; }
.price-includes li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 1.5px;
  background: var(--accent);
}
.price-card.featured .price-includes li { color: rgba(255, 255, 255, 0.78); }
.price-card.featured .price-includes li::before { background: #8FB4E0; }

.price-card .btn,
.price-card .btn-outline { margin-top: 28px; width: 100%; justify-content: center; }
.price-card.featured .btn { background: var(--white); color: var(--navy); }
.price-card.featured .btn:hover { background: #E8EEF6; }

.vat-note {
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ==========================================================
   INDUSTRIES
   ========================================================== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.industry {
  background: var(--navy);
  padding: 44px 34px;
  transition: background 0.4s var(--ease);
}
.industry:hover { background: var(--navy-soft); }
.industry-ic { width: 28px; height: 28px; color: #8FB4E0; margin-bottom: 24px; }
.industry h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--white);
}
.industry p { margin-top: 10px; font-size: 14.5px; line-height: 1.62; color: rgba(255, 255, 255, 0.6); }

/* ==========================================================
   POURQUOI / DIFFÉRENCIATION
   ========================================================== */
.why-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 84px;
  align-items: center;
}
.bridge { display: grid; gap: 14px; }
.bridge-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
}
.bridge-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 26px 24px;
  text-align: center;
}
.bridge-card span {
  display: block;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.bridge-card strong {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.bridge-plus {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 400;
  color: var(--muted);
}
.bridge-result {
  border: none;
  background: var(--navy);
  padding: 30px 24px;
  border-radius: var(--radius);
  text-align: center;
}
.bridge-result span { color: #8FB4E0; }
.bridge-result strong { color: var(--white); font-size: 19px; }

.why-list { margin-top: 8px; }
.why-list li {
  padding: 26px 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: start;
}
.why-list li:last-child { border-bottom: 1px solid var(--line); }
.why-ic { width: 22px; height: 22px; color: var(--accent); margin-top: 3px; }
.why-list h3 {
  font-family: var(--font-head);
  font-size: 17.5px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.why-list p { margin-top: 7px; font-size: 15px; line-height: 1.68; color: var(--body); }

/* Citation éditoriale */
.pull-quote {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.pull-quote blockquote {
  font-family: var(--font-serif);
  font-size: clamp(23px, 2.9vw, 35px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.44;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.section-navy .pull-quote blockquote { color: var(--white); }
.pull-quote cite {
  display: block;
  margin-top: 30px;
  font-family: var(--font-head);
  font-size: 13px;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-navy .pull-quote cite { color: rgba(255, 255, 255, 0.55); }

/* ==========================================================
   STACK TECHNOLOGIQUE (discret, bas de page)
   ========================================================== */
.stack-note {
  max-width: 52ch;
  font-size: 15.5px;
  color: var(--muted);
  margin-bottom: 46px;
}
.center .stack-note { margin-left: auto; margin-right: auto; }
/* Chaque cellule porte ses propres filets : une dernière ligne incomplète
   ne laisse donc aucune cellule fantôme. */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.stack-item {
  background: var(--bg);
  min-height: 150px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 28px 18px;
  transition: background 0.35s var(--ease);
}
.section-alt .stack-item { background: var(--bg-alt); }
.stack-item:hover { background: var(--white); }
.stack-item img {
  height: 40px;
  width: auto;
  max-width: 104px;
  object-fit: contain;
  transition: transform 0.35s var(--ease);
}
.stack-item:hover img { transform: scale(1.06); }
.stack-name {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  line-height: 1.5;
}
.stack-text {
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-align: center;
}

/* ==========================================================
   BANDEAU CTA
   ========================================================== */
.cta-band {
  position: relative;
  background: var(--navy);
  padding: 130px 0;
  overflow: hidden;
}
.cta-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  filter: grayscale(1);
  pointer-events: none;
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 {
  font-family: var(--font-head);
  font-size: clamp(31px, 4.1vw, 52px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.12;
  color: var(--white);
  max-width: 16em;
  margin: 0 auto;
}
.cta-band p {
  margin: 26px auto 0;
  max-width: 54ch;
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.68);
}
.cta-actions { margin-top: 44px; display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* ==========================================================
   PAGE HERO (pages internes)
   ========================================================== */
.page-hero {
  padding: 186px 0 96px;
  border-bottom: 1px solid var(--line);
}
.page-title {
  font-family: var(--font-head);
  font-size: clamp(38px, 5vw, 66px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.038em;
  color: var(--ink);
  max-width: 16em;
}
.page-hero .lead {
  margin-top: 28px;
  max-width: 60ch;
  font-size: 19px;
  line-height: 1.72;
  color: var(--body);
}

/* ==========================================================
   À PROPOS
   ========================================================== */
.founder-grid {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 80px;
  align-items: start;
}
.founder-photo-wrap { position: relative; }
.founder-photo-wrap::after {
  content: "";
  position: absolute;
  right: -16px; bottom: -16px;
  width: 70%; height: 62%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  z-index: 0;
}
.founder-photo {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(0.2);
  box-shadow: var(--shadow);
}
.founder-name {
  margin-top: 26px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.founder-role { margin-top: 4px; font-size: 14.5px; color: var(--muted); }
.founder-text p { font-size: 17px; line-height: 1.78; color: var(--body); }
.founder-text p + p { margin-top: 22px; }
.founder-text strong { color: var(--ink); font-weight: 600; }

/* Timeline */
.timeline { border-left: 1px solid var(--line); margin-left: 6px; }
.tl-item { position: relative; padding: 0 0 52px 40px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -6.5px; top: 7px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--white);
  border: 1.5px solid var(--accent);
}
.tl-year {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.tl-item h3 {
  margin-top: 9px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.tl-item p { margin-top: 9px; max-width: 62ch; font-size: 15.5px; line-height: 1.7; color: var(--body); }

/* Domaines d'expertise */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.expertise-col h4 {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  padding-bottom: 16px;
  border-bottom: 2px solid var(--navy);
  margin-bottom: 18px;
}
.expertise-col li { font-size: 14.5px; line-height: 1.55; color: var(--body); }
.expertise-col li + li { margin-top: 11px; }

/* ==========================================================
   CONTACT
   ========================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: start;
}
.contact-channels { margin-top: 8px; }
.contact-channels a {
  display: block;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  transition: padding-left 0.35s var(--ease);
}
.contact-channels a:last-child { border-bottom: 1px solid var(--line); }
.contact-channels a:hover { padding-left: 10px; }
.channel-label {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.channel-value {
  display: block;
  margin-top: 7px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.contact-note {
  margin-top: 34px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

form.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 46px;
  display: grid;
  gap: 22px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { display: flex; flex-direction: column; gap: 9px; }
.contact-form label {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-alt);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15.5px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #A6B2BE; }
.contact-form textarea { resize: vertical; min-height: 130px; }
.contact-form button.btn { justify-self: start; border: none; }
.form-legal { font-size: 13px; line-height: 1.6; color: var(--muted); }
.form-legal a { color: var(--accent); text-decoration: underline; }

/* ==========================================================
   PAGES LÉGALES
   ========================================================== */
.legal-page { padding: 96px 0 130px; }
.legal-content { max-width: 780px; }
.legal-content h2 {
  margin-top: 54px;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li {
  margin-top: 15px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--body);
}
.legal-content ul { padding-left: 0; }
.legal-content li { position: relative; padding-left: 22px; margin-top: 10px; }
.legal-content li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 10px; height: 1.5px;
  background: var(--accent);
}
.legal-content a { color: var(--accent); text-decoration: underline; }
.legal-content strong { color: var(--ink); font-weight: 600; }
.legal-updated {
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ==========================================================
   FOOTER
   ========================================================== */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.6);
  padding: 84px 0 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand .brand-name { color: var(--white); font-size: 20px; }
.footer-brand .brand-tag { color: rgba(255, 255, 255, 0.5); }
.footer-desc {
  margin-top: 20px;
  max-width: 38ch;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.58);
}
.footer-col h4 {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 20px;
}
.footer-col li + li { margin-top: 12px; }
.footer-col a {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.3s var(--ease);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-legal { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-legal a, .footer-copy { font-size: 13.5px; color: rgba(255, 255, 255, 0.5); }
.footer-legal a:hover { color: var(--white); }
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  width: 18px; height: 18px;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s var(--ease);
}
.footer-social a:hover { color: var(--white); }
.footer-social svg { width: 100%; height: 100%; fill: currentColor; }

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-media { max-width: 460px; }
  .challenge-grid { grid-template-columns: repeat(2, 1fr); }
  .outcome-grid { grid-template-columns: 1fr; }
  .method { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .method::before, .method-line { display: none; }
  .case-grid { grid-template-columns: 1fr; }
  .case-detail-grid { grid-template-columns: 1fr; gap: 48px; }
  .case-aside { position: static; }
  .service-grid { grid-template-columns: 1fr; gap: 44px; }
  .solution-grid { grid-template-columns: 1fr; gap: 48px; }
  .why-grid { grid-template-columns: 1fr; gap: 56px; }
  .founder-grid { grid-template-columns: 1fr; gap: 48px; }
  .founder-photo-wrap { max-width: 340px; }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .stack-grid { grid-template-columns: repeat(4, 1fr); }
  .stack-item { min-height: 138px; }
  .contact-grid { grid-template-columns: 1fr; gap: 52px; }
  .metrics { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 44px; }
}

@media (max-width: 860px) {
  body { font-size: 16px; }
  /* backdrop-filter ferait du header le bloc conteneur du menu plein écran
     (position:fixed) : on le remplace par un fond opaque en mobile. */
  .site-header.scrolled { background: var(--bg); backdrop-filter: none; }
  .site-nav {
    position: fixed;
    inset: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-left: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s var(--ease);
  }
  .site-nav.open { opacity: 1; pointer-events: auto; }
  .site-nav a { font-size: 22px; }
  .nav-toggle { display: flex; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  .header-cta { display: none; }

  .section { padding: 88px 0; }
  .section-head { margin-bottom: 48px; }
  .hero { padding: 140px 0 80px; }
  .proof { margin-top: 68px; }
  .logo-row { gap: 34px; }
  .logo-row img { height: 24px; }

  .challenge-grid { grid-template-columns: 1fr; }
  .method { grid-template-columns: 1fr; row-gap: 36px; }
  .method-step { padding-top: 0; padding-left: 34px; }
  .method-step::before { top: 6px; }
  .industry-grid { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: 1fr; gap: 32px; }
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .metrics { grid-template-columns: 1fr; gap: 28px; }
  .bridge-row { grid-template-columns: 1fr; }
  .bridge-plus { display: none; }

  .page-hero { padding: 132px 0 64px; }
  .case-detail, .service-block, .solution-block { padding: 72px 0; }
  .price-card { padding: 30px 24px; }
  .case-card, .outcome { padding: 34px 28px; }
  form.contact-form { padding: 30px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .cta-band { padding: 88px 0; }
}

@media (max-width: 520px) {
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-tag { display: none; }
}

/* ---------- Accessibilité : mouvement réduit ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .method-line { transform: scaleX(1); transition: none; }
  video { display: none; }
}