/* ============================================================
   OMTD — STYLES.CSS
   Charte visuelle : bleu profond #0F2E4F | gris acier #4A4F55
   Blanc #FFFFFF | accent orange #E55B2D (usage limité)
   Typo : Montserrat (titres/nav) | Source Sans 3 (corps)
   ============================================================ */

/* --- IMPORT GOOGLE FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Source+Sans+3:wght@300;400;600&display=swap');

/* --- CSS VARIABLES --- */
:root {
  --blue-deep:    #0F2E4F;
  --blue-mid:     #1a4a7a;
  --steel-grey:   #4A4F55;
  --light-grey:   #E8E9EA;
  --off-white:    #F5F6F7;
  --white:        #FFFFFF;
  --orange:       #E55B2D;
  --green-valid:  #2F6F4E;

  --font-title:   'Montserrat', sans-serif;
  --font-body:    'Source Sans 3', sans-serif;

  --section-pad:  5rem 0;
  --container:    1200px;

  --radius:       0px; /* aucun arrondi startup */
  --transition:   0.2s ease;
}

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--steel-grey);
  background: var(--white);
  line-height: 1.65;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-title);
  color: var(--blue-deep);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--blue-deep);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--orange); }

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

/* --- LAYOUT HELPERS --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-pad { padding: var(--section-pad); }

.section-title {
  font-family: var(--font-title);
  font-size: clamp(0.7rem, 1.2vw, 0.85rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
  display: block;
}

.divider {
  width: 3rem;
  height: 3px;
  background: var(--orange);
  margin: 1.25rem 0 2rem;
}

/* --- BUTTONS --- */
.btn-primary {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-family: var(--font-title);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover { background: #c94e25; color: var(--white); }

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--white);
  font-family: var(--font-title);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
  color: var(--white);
}

.btn-outline-dark {
  display: inline-block;
  background: transparent;
  color: var(--blue-deep);
  font-family: var(--font-title);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border: 2px solid var(--blue-deep);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.btn-outline-dark:hover {
  background: var(--blue-deep);
  color: var(--white);
}

/* ============================================================
   HEADER
   ============================================================ */
#main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--blue-deep);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow var(--transition);
}

#main-header.scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2rem;
}

/* Logo OMTD (SVG inline ou text) */
.logo-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-badge {
  width: 44px;
  height: 44px;
  border: 2px solid #2F6F4E;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 1px;
  background: #2F6F4E;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-badge span {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-deep);
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 700;
  color: #2F6F4E;
  line-height: 1;
}

.logo-text {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  line-height: 1.35;
}

.logo-text strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.main-nav > li { position: relative; }

.main-nav > li > a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: rgba(255,255,255,0.82);
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0 1rem;
  height: 72px;
  border-bottom: 3px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.main-nav > li > a:hover,
.main-nav > li > a.active {
  color: var(--white);
  border-bottom-color: var(--orange);
}

/* Dropdown arrow */
.main-nav > li > a .caret {
  font-size: 0.6rem;
  opacity: 0.6;
  transition: transform var(--transition);
}
.main-nav > li:hover > a .caret { transform: rotate(180deg); }

/* Dropdown menu */
.dropdown-menu-custom {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  border-top: 3px solid var(--orange);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  min-width: 220px;
  z-index: 100;
  list-style: none;
}

.main-nav > li:hover .dropdown-menu-custom { display: block; }

.dropdown-menu-custom li a {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--blue-deep);
  font-family: var(--font-body);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--light-grey);
  transition: background var(--transition), color var(--transition);
}

.dropdown-menu-custom li:last-child a { border-bottom: none; }
.dropdown-menu-custom li a:hover {
  background: var(--off-white);
  color: var(--orange);
  padding-left: 1.5rem;
}

/* Header CTA */
.header-cta {
  flex-shrink: 0;
  margin-left: 0.5rem;
}

/* Mobile toggle */
.navbar-toggler-custom {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar-toggler-custom span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform var(--transition), opacity var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh;
  background: var(--blue-deep);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

/* Geometric background texture */
#hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 45%;
  height: 100%;
  background: rgba(255,255,255,0.025);
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
}

#hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 4px;
  background: var(--orange);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(229,91,45,0.4);
}

.hero-title {
  color: var(--white);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.hero-title .accent { color: var(--orange); }

.hero-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}

.hero-chain .step {
  color: rgba(255,255,255,0.85);
  padding: 0.25rem 0.6rem;
  border: 1px solid rgba(255,255,255,0.15);
}

.hero-chain .arrow { color: var(--orange); font-size: 1rem; }

.hero-subtitle {
  color: rgba(255,255,255,0.72);
  font-size: 1.1rem;
  font-weight: 300;
  max-width: 580px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Hero : layout deux colonnes */
.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  width: 100%;
}

.hero-logo-wrap {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 44px;
  z-index: 2;
}

.hero-logo-img {
  width: 220px;        /* ajustez selon la taille de votre logo */
  max-width: 100%;
  opacity: 0.92;
  /* filter: brightness(0) invert(1);  logo blanc sur fond sombre — retirez si votre logo est déjà adapté */
}

@media (max-width: 768px) {
  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-logo-wrap {
    width: 100%;
    justify-content: flex-start;
    margin-top: 2rem;
  }
  .hero-logo-img {
    width: 140px;
  }
}

/* ============================================================
   SECTION : CE QUE LE CLIENT ACHÈTE VRAIMENT
   ============================================================ */
#achete {
  background: var(--off-white);
  padding: var(--section-pad);
  border-left: 4px solid var(--orange);
}

.achete-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  margin-top: 2.5rem;
}

.achete-item {
  padding: 2rem 2.5rem;
  border-left: 1px solid var(--light-grey);
  position: relative;
}

.achete-item:first-child { border-left: none; }

.achete-number {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--light-grey);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.achete-item h3 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
  color: var(--blue-deep);
}

.achete-item p {
  font-size: 0.95rem;
  color: var(--steel-grey);
  line-height: 1.6;
}

/* ============================================================
   SECTION : PREUVES
   ============================================================ */
#preuves {
  padding: var(--section-pad);
  background: var(--white);
}

.preuves-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--light-grey);
  margin-top: 2.5rem;
}

.preuve-card {
  background: var(--white);
  padding: 2.5rem;
  position: relative;
  transition: background var(--transition);
}

.preuve-card:hover { background: var(--off-white); }

.preuve-icon {
  width: 44px;
  height: 44px;
  border: 2px solid var(--light-grey);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.preuve-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--blue-deep);
  fill: none;
  stroke-width: 1.5;
}

.preuve-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.preuve-card p {
  font-size: 0.9rem;
  color: var(--steel-grey);
  line-height: 1.65;
}

.preuve-marker {
  position: absolute;
  top: 2.5rem;
  right: 2.5rem;
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
}

/* Micro-slogan zéro bullshit */
.anti-bullshit {
  margin-top: 1.5px;
  background: var(--blue-deep);
  padding: 1.25rem 2.5rem;
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
}

.anti-bullshit span {
  color: var(--white);
  font-weight: 600;
}

/* ============================================================
   SECTION : TUILES D'ACCÈS
   ============================================================ */
#acces {
  padding: var(--section-pad);
  background: var(--blue-deep);
}

.acces-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: rgba(255,255,255,0.1);
  margin-top: 2.5rem;
}

.acces-tile {
  background: rgba(255,255,255,0.03);
  padding: 3rem 2.5rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
  display: block;
  border-bottom: 3px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.acces-tile:hover {
  background: rgba(255,255,255,0.07);
  border-bottom-color: var(--orange);
}

.acces-tile-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.acces-tile-icon svg {
  width: 40px;
  height: 40px;
  stroke: rgba(255,255,255,0.4);
  fill: none;
  stroke-width: 1.2;
  transition: stroke var(--transition);
}

.acces-tile:hover .acces-tile-icon svg { stroke: var(--orange); }

.acces-tile h3 {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.acces-tile p {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.acces-tile-link {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ============================================================
   SECTION : SCÉNARIOS
   ============================================================ */
#scenarios {
  padding: var(--section-pad);
  background: var(--off-white);
}

.scenario-list {
  margin-top: 2.5rem;
  border-top: 1px solid var(--light-grey);
}

.scenario-item {
  border-bottom: 1px solid var(--light-grey);
}

.scenario-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: 1.75rem 0;
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 1.5rem;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
}

.scenario-trigger:hover { background: rgba(0,0,0,0.02); }

.scenario-num {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 700;
  color: var(--light-grey);
  line-height: 1;
}

.scenario-trigger-text h3 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--blue-deep);
  margin-bottom: 0.2rem;
}

.scenario-trigger-text .scenario-tag {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-grey);
}

.scenario-arrow {
  width: 32px;
  height: 32px;
  border: 1px solid var(--light-grey);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-grey);
  font-size: 1rem;
  transition: transform var(--transition), border-color var(--transition), color var(--transition);
  flex-shrink: 0;
}

.scenario-item.open .scenario-arrow {
  transform: rotate(45deg);
  border-color: var(--orange);
  color: var(--orange);
}

.scenario-body {
  display: none;
  padding: 0 0 2rem calc(60px + 1.5rem);
}

.scenario-item.open .scenario-body { display: block; }

.scenario-body p {
  color: var(--steel-grey);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 680px;
}

.scenario-proof {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.proof-tag {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--light-grey);
  color: var(--steel-grey);
}

/* ============================================================
   SECTION : RÉFÉRENCES CLIENTS
   ============================================================ */
#references {
  padding: 3rem 0;
  background: var(--blue-deep);
  overflow: hidden;
}

.references-label {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  text-align: center;
  margin-bottom: 2rem;
}

.references-track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.ref-item {
  padding: 1rem 1.5rem;
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  border-right: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition);
  white-space: nowrap;
}

.ref-item:last-child { border-right: none; }
.ref-item:hover { color: rgba(255,255,255,0.8); }

/* ============================================================
   SECTION : CERTIFICATIONS
   ============================================================ */
#certifications {
  padding: var(--section-pad);
  background: var(--white);
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5px;
  background: var(--light-grey);
  margin-top: 2.5rem;
}

.cert-badge {
  background: var(--white);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  transition: background var(--transition);
}

.cert-badge:hover { background: var(--off-white); }

.cert-icon {
  width: 48px;
  height: 48px;
  border: 2px solid var(--light-grey);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--steel-grey);
  fill: none;
  stroke-width: 1.5;
}

.cert-name {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-deep);
}

.cert-desc {
  font-size: 0.8rem;
  color: var(--steel-grey);
}

/* ============================================================
   SECTION : CAS CLIENTS (TEASER)
   ============================================================ */
#cas-clients {
  padding: var(--section-pad);
  background: var(--off-white);
}

.cas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--light-grey);
  margin-top: 2.5rem;
}

.cas-card {
  background: var(--white);
  padding: 2.5rem;
  position: relative;
  transition: background var(--transition);
}

.cas-card:hover { background: #fafbfc; }

.cas-sector {
  font-family: var(--font-title);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cas-sector::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--orange);
}

.cas-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.cas-row:last-of-type { margin-bottom: 0; }

.cas-label {
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-grey);
  margin-bottom: 0.3rem;
}

.cas-val {
  font-size: 0.88rem;
  color: var(--blue-deep);
  line-height: 1.5;
}

.cas-result {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--light-grey);
}

.cas-result .cas-label { color: var(--green-valid); }
.cas-result .cas-val { font-weight: 600; }

.cas-cta-wrap {
  margin-top: 3rem;
  text-align: center;
}

/* ============================================================
   SECTION : CONTACT / CADRE D'ENGAGEMENT
   ============================================================ */
#contact {
  padding: var(--section-pad);
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: 4rem;
  align-items: start;
  margin-top: 2.5rem;
}

/* Formulaire */
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-form .form-group {
  margin-bottom: 1rem;
}

.contact-form label {
  display: block;
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-grey);
  margin-bottom: 0.4rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--light-grey);
  border-radius: 0;
  background: var(--off-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--blue-deep);
  transition: border-color var(--transition);
  appearance: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue-deep);
  background: var(--white);
}

.contact-form textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.8rem;
  color: var(--steel-grey);
  margin-top: 0.75rem;
}

/* Cadre d'engagement */
.cadre-block {
  background: var(--off-white);
  padding: 2.5rem;
  border-left: 3px solid var(--blue-deep);
}

.cadre-block h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}

.cadre-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cadre-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.75rem;
  align-items: start;
}

.cadre-list .cadre-marker {
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.4rem;
  line-height: 1;
  margin-top: 0.1rem;
}

.cadre-list .cadre-marker.do { background: var(--blue-deep); color: var(--white); }
.cadre-list .cadre-marker.check { background: var(--green-valid); color: var(--white); }
.cadre-list .cadre-marker.no { background: var(--orange); color: var(--white); }

.cadre-list .cadre-text {
  font-size: 0.9rem;
  color: var(--steel-grey);
  line-height: 1.55;
}

.cadre-contact-info {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--light-grey);
}

.cadre-contact-info p {
  font-size: 0.85rem;
  color: var(--steel-grey);
  margin-bottom: 0.4rem;
}

.cadre-contact-info a {
  color: var(--blue-deep);
  font-weight: 600;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--blue-deep);
  color: rgba(255,255,255,0.7);
  padding: 3rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.65;
  margin-top: 1rem;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--white);
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  margin: 0;
}

.footer-bottom a {
  color: rgba(255,255,255,0.35);
  font-size: 0.8rem;
  transition: color var(--transition);
}

.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ============================================================
   RESPONSIVE — TABLETTE / MOBILE
   ============================================================ */
@media (max-width: 1024px) {
  .preuves-grid { grid-template-columns: 1fr; }
  .preuves-grid .anti-bullshit { grid-column: 1; }
  .acces-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 900px) {
  .preuves-grid { grid-template-columns: 1fr; }
  .cas-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .achete-grid { grid-template-columns: 1fr; }
  .achete-item { border-left: none; border-top: 1px solid var(--light-grey); }
  .achete-item:first-child { border-top: none; }
  .cas-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: 3.5rem 0; }

  /* Header mobile */
  .main-nav, .header-cta {
    display: none;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--blue-deep);
    border-top: 1px solid rgba(255,255,255,0.1);
    z-index: 999;
    gap: 0;
  }

  .main-nav.open > li > a {
    height: auto;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    border-left: 3px solid transparent;
    font-size: 0.9rem;
  }

  .main-nav.open > li > a:hover {
    border-left-color: var(--orange);
    border-bottom-color: rgba(255,255,255,0.06);
  }

  .dropdown-menu-custom {
    position: static;
    display: none;
    box-shadow: none;
    border-top: none;
    background: rgba(0,0,0,0.15);
  }

  .main-nav.open > li:hover .dropdown-menu-custom { display: block; }
  .dropdown-menu-custom li a { color: rgba(255,255,255,0.7); background: transparent; }
  .dropdown-menu-custom li a:hover { color: var(--white); background: rgba(255,255,255,0.05); }

  .navbar-toggler-custom { display: flex; }

  .hero-chain { gap: 0.25rem; font-size: 0.65rem; }
  .acces-grid { grid-template-columns: 1fr; }
  .cas-grid { grid-template-columns: 1fr; }

  .contact-form .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .scenario-trigger { grid-template-columns: 40px 1fr auto; }
  .scenario-body { padding-left: calc(40px + 1.5rem); }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; text-align: center; }
  .certs-grid { grid-template-columns: 1fr 1fr; }
}