/* ============================================================================
   FEUILLE DE STYLE PRINCIPALE — NOHI DIGITAL BUSINESS
   Esthétique éditoriale, structurée, institutionnelle et 100% Responsive
   Compatible tous écrans : Smartphones (320px+), Tablettes, Laptops & Grands Écrans
   Conception et développement : OlverDigit
   ============================================================================ */

:root {
    --color-navy-deep: #071B2D;
    --color-navy-primary: #102B52;
    --color-navy-surface: #143564;
    --color-cyan-brand: #0095FF;
    --color-orange: #F28C28;
    --color-orange-hover: #DC7816;
    --color-orange-soft: rgba(242, 140, 40, 0.12);

    --color-white: #FFFFFF;
    --color-bg-light: #F5F7FA;
    --color-bg-subtle: #EDF1F7;
    --color-anthracite: #26364A;
    --color-text-dark: #0F233C;
    --color-text-muted: #52657C;
    --color-text-on-dark: #E2E8F0;
    --color-text-on-dark-muted: #9BB0C9;

    --color-border: #D9E1EC;
    --color-border-strong: #B8C6D8;
    --color-border-dark: rgba(255, 255, 255, 0.14);

    --color-success: #0E7C55;
    --color-success-bg: #E7F6F0;
    --color-warning: #B9650E;
    --color-warning-bg: #FEF4E6;
    --color-danger: #B91C1C;
    --color-danger-bg: #FEE2E2;
    --color-info: #0B5ED7;
    --color-info-bg: #E7F1FF;

    --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-md: clamp(1rem, 1.2vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1.5vw, 1.25rem);
    --text-xl: clamp(1.25rem, 2vw, 1.5rem);
    --text-2xl: clamp(1.45rem, 2.5vw, 2.15rem);
    --text-3xl: clamp(1.65rem, 3.4vw, 2.75rem);
    --text-display: clamp(1.85rem, 4.2vw, 3.35rem);

    --container-max: 1280px;
    --container-pad: clamp(1rem, 4vw, 2.75rem);
    --section-py: clamp(3rem, 6.5vw, 6rem);
    --section-py-sm: clamp(2.25rem, 4.5vw, 4rem);

    --radius-xs: 2px;
    --radius-sm: 4px;
    --shadow-subtle: 0 8px 24px rgba(7, 27, 45, 0.06);
    --shadow-elevated: 0 18px 42px rgba(7, 27, 45, 0.14);
    --transition-base: 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.65;
    color: var(--color-anthracite);
    background-color: var(--color-white);
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-orange);
    outline-offset: 2px;
}

/* Lien d'évitement pour l'accessibilité clavier */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    background: var(--color-orange);
    color: var(--color-navy-deep);
    font-weight: 700;
    padding: 0.75rem 1.25rem;
    z-index: 9999;
}
.skip-link:focus {
    top: 1rem;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-dark);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    overflow-wrap: break-word;
}

.mono-tag, .eyebrow {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-orange);
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.eyebrow::before {
    content: "";
    display: inline-block;
    width: 22px;
    height: 2px;
    background-color: var(--color-orange);
    flex-shrink: 0;
}

.eyebrow-light {
    color: var(--color-orange);
}

/* Conteneurs et Grille */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

/* Empêcher tout débordement des enfants de grilles CSS sur mobile */
.hero-grid > *,
.editorial-two-col > *,
.detail-layout > *,
.expertise-editorial-grid > *,
.training-catalog-grid > *,
.solutions-list > *,
.metrics-grid > *,
.footer-grid > *,
.form-grid > *,
.approach-split > *,
.approach-steps-grid > *,
.visual-showcase-grid > * {
    min-width: 0;
    max-width: 100%;
}

.section {
    padding-block: var(--section-py);
    position: relative;
}

.section-sm {
    padding-block: var(--section-py-sm);
}

.section-light {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-dark {
    background-color: var(--color-navy-deep);
    color: var(--color-text-on-dark);
}

.section-navy {
    background-color: var(--color-navy-primary);
    color: var(--color-text-on-dark);
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4,
.section-navy h1, .section-navy h2, .section-navy h3, .section-navy h4 {
    color: var(--color-white);
}

/* En-têtes de section éditoriaux */
.section-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.25rem;
    margin-bottom: clamp(2rem, 4vw, 3.25rem);
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

.section-dark .section-header,
.section-navy .section-header {
    border-bottom-color: var(--color-border-dark);
}

.section-header-main {
    max-width: 720px;
}

.section-title {
    font-size: var(--text-2xl);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: var(--text-md);
    color: var(--color-text-muted);
    max-width: 65ch;
}

.section-dark .section-subtitle,
.section-navy .section-subtitle {
    color: var(--color-text-on-dark-muted);
}

/* Boutons d'action (style ingénierie franc, cibles tactiles >= 44px) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9375rem;
    padding: 0.85rem 1.5rem;
    min-height: 44px;
    border-radius: var(--radius-xs);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    line-height: 1.25;
    max-width: 100%;
}

.btn-primary {
    background-color: var(--color-orange);
    color: var(--color-navy-deep);
    border-color: var(--color-orange);
}

.btn-primary:hover {
    background-color: var(--color-orange-hover);
    border-color: var(--color-orange-hover);
    color: var(--color-white);
}

.btn-navy {
    background-color: var(--color-navy-primary);
    color: var(--color-white);
    border-color: var(--color-navy-primary);
}

.btn-navy:hover {
    background-color: var(--color-navy-deep);
    border-color: var(--color-navy-deep);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline-light:hover {
    border-color: var(--color-orange);
    color: var(--color-orange);
}

.btn-outline-navy {
    background-color: transparent;
    color: var(--color-navy-primary);
    border-color: var(--color-navy-primary);
}

.btn-outline-navy:hover {
    background-color: var(--color-navy-primary);
    color: var(--color-white);
}

.btn-sm {
    padding: 0.55rem 1.1rem;
    min-height: 38px;
    font-size: var(--text-sm);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--color-navy-primary);
    border-bottom: 1.5px solid transparent;
    padding-bottom: 2px;
}

.link-arrow::after {
    content: "→";
    color: var(--color-orange);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.link-arrow:hover {
    color: var(--color-orange);
}

.link-arrow:hover::after {
    transform: translateX(4px);
}

.section-dark .link-arrow,
.section-navy .link-arrow {
    color: var(--color-white);
}

/* ============================================================================
   BARRE SUPÉRIEURE & NAVIGATION PRINCIPALE RESPONSIVE
   ============================================================================ */
.top-utility-bar {
    background-color: #051321;
    color: var(--color-text-on-dark-muted);
    font-size: var(--text-xs);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-block: 0.5rem;
}

.top-utility-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.utility-items {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.utility-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.utility-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-orange);
    display: inline-block;
    flex-shrink: 0;
}

.site-header {
    background-color: var(--color-navy-deep);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78px;
    gap: 0.75rem;
}

.brand-identity {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex-shrink: 1;
}

.brand-logo-img {
    width: 58px;
    height: 58px;
    object-fit: contain;
    background-color: var(--color-white);
    border-radius: 50%;
    padding: 2px;
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    flex-shrink: 0;
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.brand-identity:hover .brand-logo-img {
    border-color: var(--color-orange);
    transform: scale(1.03);
}

.brand-text-wrap {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(0.95rem, 1.6vw, 1.15rem);
    color: var(--color-white);
    letter-spacing: 0.03em;
    line-height: 1.15;
    white-space: nowrap;
}

.brand-name span {
    color: var(--color-orange);
}

.brand-sub {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--color-text-on-dark-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0.1rem;
}

.nav-link {
    display: inline-block;
    padding: 0.5rem 0.65rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-on-dark);
    position: relative;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

.nav-link.active::after {
    content: "";
    position: absolute;
    left: 0.65rem;
    right: 0.65rem;
    bottom: 0.15rem;
    height: 2px;
    background-color: var(--color-orange);
}

.header-cta {
    margin-left: 0.5rem;
    flex-shrink: 0;
}

/* Informations rapides visibles uniquement dans le tiroir mobile */
.mobile-nav-meta {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: var(--color-white);
    padding: 0.55rem 0.85rem;
    min-height: 44px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    flex-shrink: 0;
    border-radius: var(--radius-xs);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle[aria-expanded="true"] {
    background-color: var(--color-orange);
    border-color: var(--color-orange);
    color: var(--color-navy-deep);
}

/* ============================================================================
   HERO IMMERSIF FULL-WIDTH AVEC SLIDER AUTOMATIQUE (PAGE D'ACCUEIL)
   Identité visuelle : Bleu marine (#071B2D / #102B52), Bleu électrique (#0095FF),
   Blanc (#FFFFFF) et touches de jaune/or (#F5B700 / #F28C28)
   ============================================================================ */
.hero-home.hero-showcase {
    --hero-interval: 6000ms;
    --hero-yellow: #F5B700;
    --hero-electric: #0095FF;
    background-color: var(--color-navy-deep);
    color: var(--color-white);
    position: relative;
    width: 100%;
    min-height: clamp(540px, 76vh, 690px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    border-bottom: 3px solid var(--hero-electric);
}

.hero-home.hero-showcase::after {
    content: "";
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 32%;
    height: 3px;
    background-color: var(--hero-yellow);
    z-index: 10;
}

/* Scène d'arrière-plan Full-Width */
.hero-slider-stage {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-color: var(--color-navy-deep);
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1150ms cubic-bezier(0.22, 1, 0.36, 1), visibility 1150ms;
    z-index: 1;
}

.hero-slide.is-active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.hero-slide picture {
    display: block;
    width: 100%;
    height: 100%;
}

.hero-slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 62% 18%;
    transform: scale(1.045);
    transition: transform 6800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.hero-slide.is-active .hero-slide-img {
    transform: scale(1);
}

/* Points focaux intelligents par diapositive */
.hero-slide-img.pos-team {
    object-position: 60% 15%;
}
.hero-slide-img.pos-server {
    object-position: 58% 18%;
}
.hero-slide-img.pos-conference {
    object-position: 55% 20%;
}
.hero-slide-img.pos-workspace {
    object-position: 55% 22%;
}
.hero-slide-img.pos-engineer {
    object-position: 55% 16%;
}

/* Voile directionnel bleu marine & bleu électrique garantissant la lisibilité AAA du texte */
.hero-backdrop-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    background:
        linear-gradient(96deg,
            rgba(7, 27, 45, 0.94) 0%,
            rgba(16, 43, 82, 0.84) 36%,
            rgba(16, 43, 82, 0.46) 64%,
            rgba(7, 27, 45, 0.20) 100%
        ),
        linear-gradient(180deg,
            rgba(7, 27, 45, 0.35) 0%,
            rgba(7, 27, 45, 0) 25%,
            rgba(7, 27, 45, 0.55) 82%,
            rgba(7, 27, 45, 0.94) 100%
        );
}

/* Conteneur de premier plan */
.hero-foreground-container {
    position: relative;
    z-index: 5;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding-top: clamp(2.5rem, 5.5vh, 4.25rem);
    padding-bottom: clamp(1.35rem, 3vh, 2.15rem);
    gap: 2rem;
}

.hero-foreground-grid {
    display: flex;
    align-items: center;
    flex: 1;
}

.hero-copy-box {
    max-width: 650px;
    width: 100%;
    animation: heroBoxEntrance 650ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes heroBoxEntrance {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Petit texte introductif */
.hero-intro-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.42rem 0.95rem;
    background: rgba(16, 43, 82, 0.78);
    border: 1px solid rgba(0, 149, 255, 0.45);
    border-left: 3px solid var(--hero-yellow);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    margin-bottom: 1.25rem;
    max-width: 100%;
}

.hero-intro-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--hero-yellow);
    box-shadow: 0 0 8px rgba(245, 183, 0, 0.8);
    flex-shrink: 0;
}

.hero-intro-text {
    font-family: var(--font-mono);
    font-size: clamp(0.68rem, 0.9vw, 0.76rem);
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--color-white);
    line-height: 1.35;
}

.hero-intro-sep {
    color: var(--hero-electric);
    margin-inline: 0.25rem;
    font-weight: 700;
}

/* Titre principal */
.hero-main-title {
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 3.65vw, 3.15rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: var(--color-white);
    margin-bottom: 1.15rem;
    text-shadow: 0 2px 18px rgba(7, 27, 45, 0.45);
}

/* Description */
.hero-main-description {
    font-family: var(--font-body);
    font-size: clamp(0.98rem, 1.2vw, 1.125rem);
    line-height: 1.68;
    color: rgba(255, 255, 255, 0.90);
    margin-bottom: 1.85rem;
    max-width: 58ch;
    text-shadow: 0 1px 10px rgba(7, 27, 45, 0.4);
}

/* Boutons d'action modernes et élégants */
.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.95rem;
    margin-bottom: 1.85rem;
}

.hero-btn-primary {
    background: linear-gradient(135deg, #0095FF 0%, #0074D9 100%);
    color: var(--color-white);
    border: 1.5px solid #1AA3FF;
    padding: 0.92rem 1.75rem;
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(0, 149, 255, 0.28);
    position: relative;
    overflow: hidden;
}

.hero-btn-primary::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--hero-yellow);
    transition: height var(--transition-base);
}

.hero-btn-primary:hover {
    background: linear-gradient(135deg, #1AA3FF 0%, #0082F0 100%);
    border-color: var(--hero-yellow);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 149, 255, 0.38);
}

.hero-btn-arrow {
    display: inline-block;
    color: var(--hero-yellow);
    font-weight: 800;
    transition: transform var(--transition-base);
}

.hero-btn-primary:hover .hero-btn-arrow {
    transform: translateX(4px);
}

.hero-btn-secondary {
    background: rgba(7, 27, 45, 0.62);
    color: var(--color-white);
    border: 1.5px solid rgba(255, 255, 255, 0.55);
    padding: 0.92rem 1.65rem;
    font-size: 0.95rem;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.hero-btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-navy-deep);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

/* Légende contextuelle animée à chaque changement de slide */
.hero-dynamic-context {
    padding: 0.75rem 1rem;
    border-left: 2px solid var(--hero-electric);
    background: rgba(7, 27, 45, 0.58);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    max-width: 540px;
    transition: opacity 280ms ease, transform 280ms ease;
}

.hero-dynamic-context.is-changing {
    opacity: 0;
    transform: translateY(6px);
}

.hero-context-kicker {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--hero-yellow);
    text-transform: uppercase;
    margin-bottom: 0.2rem;
}

.hero-context-caption {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.86);
    margin: 0;
    line-height: 1.45;
}

/* Barre inférieure de contrôle et indicateurs de progression */
.hero-controls-bar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-progress-indicators {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.85rem;
    flex: 1;
}

.hero-progress-btn {
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    padding: 0.35rem 0;
    color: rgba(255, 255, 255, 0.62);
    transition: color var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.hero-progress-btn:hover,
.hero-progress-btn.is-active {
    color: var(--color-white);
}

.hero-progress-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hero-progress-btn.is-active .hero-progress-label {
    color: var(--hero-yellow);
}

.hero-progress-track {
    display: block;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.22);
    overflow: hidden;
    position: relative;
}

.hero-progress-fill {
    display: block;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--hero-electric) 0%, var(--hero-yellow) 100%);
}

.hero-progress-btn.is-active .hero-progress-fill {
    animation: heroProgressFill var(--hero-interval) linear forwards;
}

.hero-showcase.is-paused .hero-progress-btn.is-active .hero-progress-fill {
    animation-play-state: paused;
}

@keyframes heroProgressFill {
    from { width: 0%; }
    to { width: 100%; }
}

.hero-nav-buttons {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex-shrink: 0;
}

.hero-ctrl-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(7, 27, 45, 0.68);
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: var(--color-white);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    border-radius: var(--radius-xs);
    transition: all var(--transition-base);
}

.hero-pause-btn {
    font-size: 0.72rem;
    font-family: var(--font-mono);
}

.hero-ctrl-btn:hover,
.hero-ctrl-btn[aria-pressed="true"] {
    background-color: var(--hero-electric);
    border-color: var(--hero-electric);
    color: var(--color-white);
}

/* Respect strict de la préférence système de réduction des animations */
@media (prefers-reduced-motion: reduce) {
    .hero-slide,
    .hero-slide-img,
    .hero-copy-box,
    .hero-dynamic-context {
        transition: none !important;
        animation: none !important;
        transform: none !important;
    }
    .hero-progress-btn.is-active .hero-progress-fill {
        animation: none !important;
        width: 100% !important;
    }
}

/* Bandeau d'ancrage institutionnel sous le Hero */
.institutional-metrics-bar {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.metric-cell {
    padding: 1.65rem 1.35rem;
    border-right: 1px solid var(--color-border);
}

.metric-cell:last-child {
    border-right: none;
}

.metric-kicker {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-orange);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.3rem;
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-navy-primary);
    margin-bottom: 0.25rem;
}

.metric-desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* Barre de filtres horizontale (Pôles de services / Catégories d'actualités) */
.filter-chips-bar {
    padding-block: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    align-items: center;
}

/* ============================================================================
   COMPOSITIONS ÉDITORIALES & COLONNES NUMÉROTÉES (DOMAINES D'EXPERTISE)
   ============================================================================ */
.expertise-editorial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.expertise-column {
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-navy-primary);
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.expertise-column:hover {
    border-color: var(--color-orange);
    box-shadow: var(--shadow-subtle);
}

.expertise-num {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-orange);
    margin-bottom: 1rem;
    display: inline-block;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-navy-primary);
    width: 36px;
}

.expertise-pole-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: 0.45rem;
    display: block;
}

.expertise-title {
    font-size: 1.2rem;
    color: var(--color-navy-primary);
    margin-bottom: 0.75rem;
}

.expertise-desc {
    font-size: 0.9375rem;
    color: var(--color-anthracite);
    margin-bottom: 1.35rem;
}

/* ============================================================================
   GALERIE VISUELLE INSTITUTIONNELLE (MISE EN VALEUR DES PHOTOS NOHI)
   ============================================================================ */
.visual-showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.visual-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.visual-card-media {
    position: relative;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background-color: var(--color-navy-deep);
}

.visual-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 400ms ease;
}

.visual-card:hover .visual-card-media img {
    transform: scale(1.03);
}

.visual-card-caption {
    padding: 1.15rem 1.35rem;
    border-top: 2px solid var(--color-orange);
    background-color: var(--color-white);
    flex: 1;
}

.visual-card-caption strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--color-navy-primary);
    margin-bottom: 0.25rem;
}

.visual-card-caption span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ============================================================================
   SECTION APPROCHE EN 4 ÉTAPES (STYLE GUIDE DE MARQUE)
   ============================================================================ */
.approach-split {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(2rem, 4vw, 3.25rem);
    align-items: center;
}

.approach-steps-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 1.75rem;
}

.approach-step {
    padding: 1.35rem;
    border-left: 3px solid var(--color-orange);
    background: rgba(255, 255, 255, 0.04);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.approach-step-num {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-orange);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.35rem;
    display: block;
}

.approach-step-title {
    font-size: 1.1rem;
    color: var(--color-white);
    margin-bottom: 0.45rem;
}

.approach-step-text {
    font-size: var(--text-sm);
    color: var(--color-text-on-dark-muted);
}

/* ============================================================================
   CATALOGUE DES FORMATIONS & CARTES MÉDIAS
   ============================================================================ */
.training-catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.training-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.training-item:hover {
    border-color: var(--color-navy-primary);
    box-shadow: var(--shadow-subtle);
}

.training-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--color-navy-deep);
    border-bottom: 1px solid var(--color-border);
}

.training-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.training-cat-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    right: 0.75rem;
    width: fit-content;
    max-width: calc(100% - 1.5rem);
    background-color: rgba(7, 27, 45, 0.92);
    color: var(--color-white);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 0.3rem 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-left: 3px solid var(--color-orange);
}

.training-body {
    padding: clamp(1.25rem, 2.5vw, 1.65rem);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.training-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: 0.65rem;
}

.training-title {
    font-size: 1.15rem;
    color: var(--color-navy-primary);
    margin-bottom: 0.65rem;
}

.training-excerpt {
    font-size: 0.9375rem;
    color: var(--color-anthracite);
    margin-bottom: 1.15rem;
    flex: 1;
}

.training-modes-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.15rem;
}

.mode-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background-color: var(--color-bg-light);
    color: var(--color-navy-primary);
    border: 1px solid var(--color-border);
    padding: 0.25rem 0.6rem;
    display: inline-block;
}

.training-footer {
    padding: 1rem clamp(1.25rem, 2.5vw, 1.65rem);
    border-top: 1px solid var(--color-border);
    background-color: #FAFBFC;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

/* ============================================================================
   SOLUTIONS NUMÉRIQUES & BADGES DE STATUT EXPLICITES
   ============================================================================ */
.solutions-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

.solution-block {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-navy-primary);
    padding: clamp(1.35rem, 3vw, 2.15rem);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.solution-header-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.28rem 0.7rem;
    border: 1px solid transparent;
    white-space: nowrap;
}

.status-pill::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: currentColor;
    flex-shrink: 0;
}

.status-disponible {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-color: #A7F3D0;
}

.status-pilote {
    background-color: var(--color-info-bg);
    color: var(--color-info);
    border-color: #BFDBFE;
}

.status-developpement {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: #FDE68A;
}

.status-conception {
    background-color: var(--color-bg-subtle);
    color: var(--color-anthracite);
    border-color: var(--color-border-strong);
}

/* ============================================================================
   PAGE HEADERS INTERNES (BREADCRUMB & TITRE ARCHITECTURAL)
   ============================================================================ */
.page-hero {
    background-color: var(--color-navy-deep);
    color: var(--color-white);
    padding-block: clamp(2.25rem, 4.5vw, 4.25rem);
    border-bottom: 3px solid var(--color-orange);
    position: relative;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-on-dark-muted);
    margin-bottom: 0.85rem;
    list-style: none;
}

.breadcrumb a:hover {
    color: var(--color-orange);
}

.page-hero-title {
    font-size: var(--text-3xl);
    color: var(--color-white);
    margin-bottom: 0.75rem;
    max-width: 30ch;
}

.page-hero-lead {
    font-size: var(--text-md);
    color: var(--color-text-on-dark-muted);
    max-width: 68ch;
}

/* ============================================================================
   FORMULAIRES PROFESSIONNELS (INSCRIPTION, DEVIS, CONTACT)
   ============================================================================ */
.form-panel {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-navy-primary);
    padding: clamp(1.35rem, 3.5vw, 2.75rem);
    box-shadow: var(--shadow-subtle);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    min-width: 0;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-label {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-navy-primary);
}

.form-label .req {
    color: var(--color-orange);
    margin-left: 2px;
}

/* Police 16px (1rem) obligatoire sur mobile pour éviter le zoom forcé sur iOS */
.form-control {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 0.8rem 0.95rem;
    min-height: 46px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-dark);
    background-color: #FAFBFC;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-xs);
    transition: border-color var(--transition-base), background-color var(--transition-base);
    text-overflow: ellipsis;
}

.form-control:focus {
    background-color: var(--color-white);
    border-color: var(--color-navy-primary);
}

textarea.form-control {
    min-height: 130px;
    resize: vertical;
}

.form-help {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    line-height: 1.45;
}

.consent-box {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.95rem 1.1rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.consent-box input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-navy-primary);
    flex-shrink: 0;
}

/* Champ anti-spam Honeypot caché aux utilisateurs humains */
.hp-field-wrap {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

/* Alertes et notifications */
.alert {
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--color-navy-primary);
    font-size: 0.9375rem;
    font-weight: 500;
}

.alert-error {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    border-left-color: var(--color-danger);
}

.alert-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-left-color: var(--color-success);
}

.alert-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
    border-left-color: var(--color-info);
}

/* ============================================================================
   LAYOUTS SPLIT ÉDITORIAUX & CONTENUS DÉTAILLÉS
   ============================================================================ */
.editorial-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1.75rem, 4vw, 3.5rem);
    align-items: center;
}

.detail-layout {
    display: grid;
    grid-template-columns: 1.62fr 1fr;
    gap: clamp(1.75rem, 4vw, 3rem);
    align-items: start;
}

.sidebar-box {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-orange);
    padding: clamp(1.35rem, 3vw, 2rem);
    position: sticky;
    top: 100px;
}

.structured-list {
    list-style: none;
    display: grid;
    gap: 0.75rem;
    margin-block: 1rem;
}

.structured-list li {
    position: relative;
    padding-left: 1.35rem;
    font-size: 0.95rem;
}

.structured-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-orange);
    font-weight: 700;
}

.rich-text h2, .rich-text h3 {
    color: var(--color-navy-primary);
    margin-top: 1.75rem;
    margin-bottom: 0.75rem;
}

.rich-text p {
    margin-bottom: 1.1rem;
}

.rich-text ul, .rich-text ol {
    padding-left: 1.35rem;
    margin-bottom: 1.2rem;
}

.rich-text li {
    margin-bottom: 0.45rem;
}

/* Bannière CTA finale réutilisable */
.cta-banner-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.75rem;
}

.cta-banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

/* ============================================================================
   PIED DE PAGE INSTITUTIONNEL COMPLET
   ============================================================================ */
.site-footer {
    background-color: var(--color-navy-deep);
    color: var(--color-text-on-dark-muted);
    border-top: 3px solid var(--color-orange);
    padding-top: clamp(3rem, 6vw, 4.5rem);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.9fr 1fr 1.25fr;
    gap: clamp(1.75rem, 3.5vw, 2.5rem);
    padding-bottom: clamp(2.25rem, 4vw, 3.5rem);
    border-bottom: 1px solid var(--color-border-dark);
}

.footer-heading {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-orange);
    margin-bottom: 1.1rem;
}

.footer-links {
    list-style: none;
    display: grid;
    gap: 0.6rem;
    font-size: var(--text-sm);
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: 4px;
}

.footer-contact-list {
    list-style: none;
    display: grid;
    gap: 0.8rem;
    font-size: var(--text-sm);
    overflow-wrap: break-word;
    word-break: break-word;
}

.footer-contact-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-white);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.footer-bottom {
    padding-block: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: var(--text-xs);
}

.footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.35rem;
}

.footer-legal-links a:hover {
    color: var(--color-white);
}

.developer-signature {
    color: var(--color-text-on-dark);
}

.developer-signature strong {
    color: var(--color-orange);
}

/* ============================================================================
   RESPONSIVE DESIGN MULTI-ÉCRANS (LAPTOPS, TABLETTES, PHABLETS, SMARTPHONES)
   ============================================================================ */

/* 1. Écrans intermédiaires & Tablettes paysage (max 1140px) */
@media (max-width: 1140px) {
    .nav-link {
        padding: 0.5rem 0.5rem;
        font-size: 0.8125rem;
    }

    .brand-sub {
        display: none;
    }
}

/* 2. Tablettes & Navigation Mobile (max 1024px) */
@media (max-width: 1024px) {
    .brand-sub {
        display: block;
    }

    .hero-grid,
    .approach-split,
    .editorial-two-col,
    .detail-layout {
        grid-template-columns: 1fr;
    }

    .sidebar-box {
        position: static;
        top: auto;
    }

    .expertise-editorial-grid,
    .training-catalog-grid,
    .visual-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .metric-cell {
        border-bottom: 1px solid var(--color-border);
    }

    .metric-cell:nth-child(2n) {
        border-right: none;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.45rem;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        max-height: calc(100dvh - 74px);
        overflow-y: auto;
        background-color: var(--color-navy-deep);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        border-bottom: 3px solid var(--color-orange);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem var(--container-pad) 1.5rem;
        box-shadow: var(--shadow-elevated);
        z-index: 1001;
    }

    .main-nav.is-open {
        display: flex;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.85rem 0.5rem;
        font-size: 0.96rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-link.active::after {
        display: none;
    }

    .nav-link.active {
        color: var(--color-orange);
        padding-left: 0.85rem;
        border-left: 3px solid var(--color-orange);
        background-color: rgba(255, 255, 255, 0.03);
    }

    .header-cta {
        margin-left: 0;
        margin-top: 1rem;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .header-cta .btn {
        width: 100%;
        padding: 0.8rem 1rem;
    }

    .mobile-nav-meta {
        display: grid;
        gap: 0.4rem;
        margin-top: 1rem;
        padding-top: 0.9rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        font-family: var(--font-mono);
        font-size: 0.72rem;
        color: var(--color-text-on-dark-muted);
    }

    .mobile-nav-meta a {
        color: var(--color-white);
        font-weight: 600;
    }

    .hero-progress-label {
        font-size: 0.62rem;
    }
}

/* 3. Téléphones & Phablets (max 767px) — Véritable expérience mobile dédiée */
@media (max-width: 767px) {
    .top-utility-bar {
        display: none;
    }

    .header-inner {
        min-height: 68px;
    }

    .brand-logo-img {
        width: 44px;
        height: 44px;
    }

    /* Hero Mobile : Fenêtre visuelle haute dégagée (zéro texte sur les visages) + Scène éditoriale dessous */
    .hero-home.hero-showcase {
        min-height: auto;
        display: block;
    }

    .hero-slider-stage {
        position: relative;
        inset: auto;
        width: 100%;
        height: clamp(250px, 64vw, 350px);
    }

    .hero-slide-img,
    .hero-slide-img.pos-team,
    .hero-slide-img.pos-server,
    .hero-slide-img.pos-conference,
    .hero-slide-img.pos-workspace,
    .hero-slide-img.pos-engineer {
        object-position: center 14%;
    }

    .hero-backdrop-overlay {
        background: linear-gradient(
            180deg,
            rgba(7, 27, 45, 0.20) 0%,
            rgba(7, 27, 45, 0.00) 45%,
            rgba(7, 27, 45, 0.85) 86%,
            #071B2D 100%
        );
    }

    .hero-foreground-container {
        margin-top: -1.15rem;
        padding-top: 0;
        padding-bottom: 1.75rem;
        gap: 1.35rem;
    }

    .hero-intro-pill {
        padding: 0.38rem 0.75rem;
        margin-bottom: 0.95rem;
    }

    .hero-intro-text {
        font-size: 0.65rem;
        letter-spacing: 0.07em;
    }

    .hero-main-title {
        font-size: clamp(1.55rem, 6.2vw, 2.05rem);
        line-height: 1.16;
        margin-bottom: 0.85rem;
    }

    .hero-main-description {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 1.35rem;
    }

    .hero-cta-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        margin-bottom: 1.35rem;
    }

    .hero-cta-group .btn {
        width: 100%;
    }

    .hero-dynamic-context {
        max-width: 100%;
        padding: 0.65rem 0.85rem;
    }

    .hero-controls-bar {
        flex-direction: row;
        align-items: center;
        gap: 1rem;
        padding-top: 0.85rem;
    }

    .hero-progress-indicators {
        gap: 0.45rem;
    }

    .hero-progress-label {
        display: none;
    }

    .hero-progress-track {
        height: 4px;
    }

    .hero-ctrl-btn {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }

    .expertise-editorial-grid,
    .training-catalog-grid,
    .visual-showcase-grid,
    .solutions-list,
    .approach-steps-grid,
    .form-grid,
    .metrics-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .metric-cell {
        border-right: none;
        padding: 1.25rem 1rem;
    }

    .metric-cell:last-child {
        border-bottom: none;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.85rem;
        margin-bottom: 1.75rem;
    }

    .cta-banner-inner,
    .cta-banner-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .cta-banner-actions .btn {
        width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.85rem;
    }

    /* Barres de filtres défilables horizontalement au doigt sur téléphone */
    .filter-chips-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.75rem;
    }

    .filter-chips-bar > * {
        flex-shrink: 0;
    }
}

/* 4. Petits smartphones (max 480px, jusqu'à 320px) */
@media (max-width: 480px) {
    .brand-logo-img {
        width: 38px;
        height: 38px;
    }

    .brand-name {
        font-size: 0.88rem;
    }

    .brand-sub {
        font-size: 0.56rem;
        letter-spacing: 0.06em;
    }

    .mobile-menu-toggle {
        padding: 0.45rem 0.65rem;
        font-size: 0.68rem;
    }

    .header-cta {
        grid-template-columns: 1fr;
    }

    .training-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .training-footer .btn {
        width: 100%;
    }

    .solution-header-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .form-panel,
    .sidebar-box,
    .solution-block,
    .expertise-column {
        padding: 1.25rem;
    }
}