/* =====================================================
   Hetiss - Feuille de styles personnalisée
   Surcharge légère de Bootstrap 5
   ===================================================== */

:root {
    --hetiss-primary: #3946d5;
    --hetiss-primary-hover: #2d38b3;
    --hetiss-light: #f5f5f5;
    --hetiss-dark: #000000;
    --hetiss-muted: #555555;
    --hetiss-bg: #ffffff;
    --hetiss-border-rgba: rgba(0, 0, 0, 0.08);
    --hetiss-dot-rgba: rgba(0, 0, 0, 0.18);
    --hetiss-arrow-border: rgba(0, 0, 0, 0.15);
    --hetiss-dropdown-border: rgba(0, 0, 0, 0.06);
    --hetiss-accent-yellow: #fff6e5;
    --hetiss-conclusion-bg: var(--hetiss-accent-yellow);
    --hetiss-border-radius: 10px;
    --hetiss-pill-radius: 23px;
    --bs-body-font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ===== Overrides Bootstrap ===== */
body {
    font-family: var(--bs-body-font-family);
    color: var(--hetiss-dark);
    background-color: var(--hetiss-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.btn-primary {
    --bs-btn-bg: var(--hetiss-primary);
    --bs-btn-border-color: #ffffff;
    --bs-btn-hover-bg: var(--hetiss-primary-hover);
    --bs-btn-hover-border-color: #ffffff;
    --bs-btn-active-bg: var(--hetiss-primary-hover);
    --bs-btn-active-border-color: var(--hetiss-primary-hover);
    --bs-btn-focus-shadow-rgb: 57, 70, 213;
}

.btn-pill {
    border-radius: var(--hetiss-pill-radius);
    padding: 0.55rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
}

.text-primary { color: var(--hetiss-primary) !important; }
.bg-primary { background-color: var(--hetiss-primary) !important; }

/* ===== Typographie ===== */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: "Bricolage Grotesque", "Inter", sans-serif;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.section-title {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    line-height: 1.1;
    color: var(--hetiss-dark);
    margin: 0;
}

a {
    color: var(--hetiss-primary);
    text-decoration: underline;
}

a:hover,
a:focus {
    color: var(--hetiss-primary-hover);
}

.lead-bold {
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.5;
}

/* ===== Header / Navigation ===== */
.site-header {
    padding: 0.6rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
    background-color: var(--hetiss-bg);
}

.navbar {
    padding: 0;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
}

.navbar .nav-link {
    color: var(--hetiss-dark);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.5rem 0.85rem;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-link.active {
    color: #666666;
}

.navbar .dropdown-menu {
    border-radius: 12px;
    border: 1px solid var(--hetiss-dropdown-border);
    padding: 0.5rem;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.navbar .dropdown-item {
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
    background-color: var(--hetiss-light);
    color: #666666;
}

.navbar .dropdown-item.active,
.navbar .dropdown-item[aria-current="page"] {
    color: var(--hetiss-primary);
    background-color: transparent;
    font-weight: 600;
}


/* ===== Hero ===== */
.hero {
    padding-top: 0.5rem;
}

.hero-card {
    position: relative;
    border-radius: var(--hetiss-border-radius);
    overflow: hidden;
    background-image: url("../images/fond-hero-accueil.webp");
    background-color: #ffffff;
    background-size: cover;
    background-position: center;
    padding: 8rem 1.5rem 6rem;
    text-align: center;
    min-height: 510px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-title {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: clamp(2.25rem, 5.2vw, 3.5rem);
    line-height: 1.05;
    color: var(--hetiss-primary);
    max-width: 900px;
    margin: 0 auto 1.5rem;
    position: relative;
}

.hero-quote {
    display: inline-flex;
    align-items: flex-start;
    gap: 0.75rem;
    justify-content: center;
}

.hero-quote .quote-mark {
    flex-shrink: 0;
    width: 48px;
    height: auto;
}

.hero-quote .quote-mark.left {
    align-self: flex-start;
    margin-top: 0.5rem;
}

.hero-quote .quote-mark.right {
    align-self: flex-end;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-weight: 700;
    font-size: 1rem;
    color: var(--hetiss-dark);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.5;
}

.hero-cta {
    background-color: var(--hetiss-bg);
    color: var(--hetiss-dark);
    border: 0;
}

.hero-cta:hover,
.hero-cta:focus {
    background-color: var(--hetiss-light);
    color: var(--hetiss-dark);
}

/* ===== Sections génériques ===== */
.section {
    padding: 4.5rem 0;
}

.section-narrow { padding: 3.5rem 0; }

.section-header {
    margin-bottom: 3rem;
}

.section-header .lead-text {
    color: var(--hetiss-dark);
    font-size: 0.875rem;
    line-height: 1.5;
    max-width: 820px;
}

/* ===== Cartes Valeurs ===== */
.value-card {
    height: 100%;
}

.value-card .value-visual {
    background-color: var(--hetiss-light);
    border-radius: var(--hetiss-border-radius);
    aspect-ratio: 11 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.value-card .value-visual svg {
    width: 120px;
    height: 120px;
    color: var(--hetiss-dark);
}

.value-card h3 {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--hetiss-dark);
}

.value-card p {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--hetiss-dark);
    margin: 0;
}

/* ===== Cartes Expertises ===== */
.expertise-card {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.expertise-card .expertise-visual {
    position: relative;
    border-radius: var(--hetiss-border-radius);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background-size: cover;
    background-position: center;
    background-color: var(--hetiss-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.expertise-card:hover .expertise-visual {
    transform: translateY(-4px);
}

.expertise-card .expertise-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,0.08) 100%);
    pointer-events: none;
}

.expertise-card .expertise-label {
    position: relative;
    z-index: 1;
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 3.2vw, 3rem);
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    letter-spacing: 0.02em;
}

.expertise-card h3 {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.25;
    color: var(--hetiss-dark);
    margin: 0;
}

/* ===== Cartes Formations ===== */
.formation-card {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.formation-card .formation-visual {
    border-radius: var(--hetiss-border-radius);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background-size: cover;
    background-position: center;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.formation-card:hover .formation-visual {
    transform: translateY(-4px);
}

.formation-card h3 {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--hetiss-dark);
    margin: 0;
}

/* ===== Témoignages ===== */
.testimonial-card {
    background-color: var(--hetiss-light);
    border-radius: var(--hetiss-border-radius);
    padding: 1.875rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.testimonial-card .testimonial-quote {
    margin: 0;
    padding: 0;
    border: none;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.testimonial-card .testimonial-org {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--hetiss-dark);
    margin-bottom: 1rem;
}

.testimonial-card .testimonial-quote-mark {
    width: 24px;
    height: 14px;
    margin-bottom: 0.5rem;
    opacity: 0.85;
}

.testimonial-card .testimonial-text {
    font-style: italic;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--hetiss-dark);
    margin-bottom: 1.5rem;
    flex: 1;
}

.testimonial-card .testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.testimonial-card .testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background-color: var(--hetiss-light);
}

.testimonial-card .testimonial-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--hetiss-dark);
    margin: 0;
    line-height: 1.3;
}

.testimonial-card .testimonial-role {
    font-size: 0.8125rem;
    color: var(--hetiss-dark);
    margin: 0;
}

/* ===== CTA contact ===== */
.contact-cta {
    background-color: var(--hetiss-light);
    border-radius: var(--hetiss-border-radius);
    padding: 4.5rem 1.5rem;
    text-align: center;
}

.contact-cta h2 {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    line-height: 1.1;
    color: var(--hetiss-dark);
    margin-bottom: 1rem;
    max-width: 860px;
    margin-inline: auto;
}

.contact-cta p {
    font-size: 0.875rem;
    color: var(--hetiss-dark);
    max-width: 640px;
    margin: 0 auto 2rem;
    line-height: 1.5;
}

/* ===== En-tête de page intérieure ===== */
.page-hero {
    padding: 4rem 0 0;
}

.page-hero__title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    line-height: 1.08;
    color: var(--hetiss-primary);
    margin-bottom: 1.25rem;
}

.page-hero__lead {
    font-size: 1.0625rem;
    font-weight: 600;
    line-height: 1.55;
    color: var(--hetiss-dark);
    margin: 0 auto;
    max-width: 560px;
}

.page-hero__image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--hetiss-border-radius);
    object-fit: cover;
}

/* ===== Sections valeurs (page Nos valeurs) ===== */
.valeur-section {
    padding-top: 0;
}

.valeur-hr {
    border: 0;
    border-top: 1px solid currentColor;
    margin: 0 0 4.5rem;
    opacity: 0.15;
}
.valeur-hr-bis {
    border: 0;
    border-top: 1px solid currentColor;
    margin: 3rem 0;
    opacity: 0.15;
}

@media (max-width: 991.98px) {
    .valeur-hr { margin-bottom: 3rem; }
}

.valeur-icon {
    width: 60px;
    height: 60px;
    background-color: var(--hetiss-light);
    border-radius: var(--hetiss-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.valeur-heading {
    font-size: clamp(1.375rem, 2.5vw, 1.875rem);
    line-height: 1.15;
    margin-bottom: 0.875rem;
}

h3.valeur-heading {
    font-size: 1.125rem;
    margin-top: 1.75rem;
}

.valeur-lead {
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--hetiss-dark);
    margin-bottom: 1.5rem;
}

.valeur-body p {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--hetiss-dark);
    margin-bottom: 1rem;
}

.valeur-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--hetiss-primary);
    text-decoration: none;
}

.valeur-link:hover,
.valeur-link:focus {
    text-decoration: underline;
    color: var(--hetiss-primary-hover);
}

/* ===== Page L'équipe ===== */
.equipe-list {
    padding-left: 1.25rem;
    margin: 0.75rem 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--hetiss-dark);
}

.equipe-quote {
    margin: 0;
    padding: 0;
    border: 0;
}

.equipe-quote__body {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.equipe-quote__guillemet {
    flex-shrink: 0;
    width: 32px;
    height: auto;
    filter: brightness(0);
}

.equipe-quote__guillemet--open {
    align-self: flex-start;
    margin-top: 0.35rem;
}

.equipe-quote__guillemet--close {
    align-self: flex-end;
    margin-bottom: 0.35rem;
}

.equipe-quote__text {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 1.2;
    color: var(--hetiss-dark);
    margin: 0;
}

.equipe-quote__cite {
    font-style: normal;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--hetiss-dark);
    opacity: 0.8;
}

.valeur-conclusion {
    background-color: var(--hetiss-conclusion-bg);
    border-radius: var(--hetiss-border-radius);
    padding: 2.5rem;
}

.valeur-conclusion p:not(.equipe-quote__text) {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--hetiss-dark);
    margin-bottom: 0.875rem;
}

/* ===== Footer ===== */
.site-footer {
    color: var(--hetiss-dark);
    margin-top: 4rem;
    margin-bottom: 4rem;
}

.site-footer .footer-tagline {
    font-size: 0.875rem;
    color: var(--hetiss-dark);
    line-height: 1.45;
    max-width: 280px;
}

.site-footer .footer-title {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--hetiss-dark);
    margin-bottom: 1rem;
    list-style: none;
    display: block;
}

.site-footer .footer-title::-webkit-details-marker { display: none; }

/* Desktop : titre non cliquable */
@media (min-width: 768px) {
    .footer-accordion > .footer-title { cursor: default; pointer-events: none; }
}

/* Mobile : accordéon natif avec chevron */
@media (max-width: 767.98px) {
    .footer-accordion {
        border-bottom: 1px solid var(--hetiss-border-rgba);
        padding-bottom: 15px;
    }

    .footer-accordion > .footer-title {
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        padding: 0.875rem 0;
        margin-bottom: 0;
    }

    .footer-accordion > .footer-title::after {
        content: "\F282";
        font-family: "bootstrap-icons";
        font-size: 0.9rem;
        transition: transform 0.2s ease;
        flex-shrink: 0;
    }

    .footer-accordion[open] > .footer-title::after {
        transform: rotate(180deg);
    }

    .footer-accordion > .footer-list {
        padding: 0.5rem 0 1rem;
    }
}

.site-footer .footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.site-footer .footer-list a {
    color: var(--hetiss-dark);
    text-decoration: none;
    font-size: 0.875rem;
}

.site-footer .footer-list a:hover,
.site-footer .footer-list a:focus {
    text-decoration: underline;
}

.footer-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--hetiss-primary);
    font-size: 1.25rem;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.footer-social:hover,
.footer-social:focus {
    background-color: var(--hetiss-light);
    color: var(--hetiss-primary);
}

/* ===== Accessibilité ===== */
:focus-visible {
    outline: 3px dashed #cc0000 !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 6px #ffffff !important;
}

/* ===== Liens d'évitement ===== */
.skip-links {
    overflow: hidden;
    max-height: 0;
    background-color: #f5f5f5;
}

.skip-links:focus-within {
    max-height: 10rem;
}

.skip-links__list {
    list-style: none;
    margin: 0;
    padding: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}

.skip-link {
    display: inline-block;
    color: #3946d5;
    text-decoration: underline;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0;
    margin-right: 3rem;
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .hero-card {
        padding: 4rem 1.25rem;
        min-height: auto;
    }
    .hero-quote .quote-mark {
        width: 32px;
    }
    .section {
        padding: 3rem 0.5rem;
    }
    .contact-cta {
        padding: 3rem 1.5rem;
    }
    .navbar-collapse {
        background-color: var(--hetiss-bg);
        margin-top: 0.5rem;
        padding: 1rem;
        border-radius: 10px;
    }
}

@media (max-width: 575.98px) {
    .hero-title    { font-size: 1.625rem; line-height: 1.1; }
    .hero-subtitle { font-size: 0.8125rem; margin-bottom: 1.5rem; }
    .equipe-quote__text      { font-size: 1.125rem; }
    .equipe-quote__guillemet { width: 22px; }
    .valeur-conclusion       { padding: 1.5rem; }
    .hero-quote    { gap: 0.4rem; }
    .hero-quote .quote-mark { width: 22px; }
}

/* ===== Sliders mobiles (Expertises, Formations, Témoignages) ===== */
.slider-nav { display: none; }

@media (max-width: 767.98px) {
    .cards-slider {
        flex-wrap: nowrap;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 0.5rem;
    }

    .cards-slider::-webkit-scrollbar { display: none; }

    .cards-slider > * {
        flex: 0 0 82%;
        scroll-snap-align: start;
    }

    .slider-nav {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.75rem;
        margin-top: 1.25rem;
    }

    .slider-dots {
        display: flex;
        align-items: center;
        gap: 0.4rem;
    }

    .slider-dot {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background-color: var(--hetiss-dot-rgba);
        border: none;
        padding: 0;
        cursor: pointer;
        transition: background-color 0.2s ease;
    }

    .slider-dot.active {
        background-color: var(--hetiss-primary);
    }

    .slider-arrow {
        width: 32px;
        height: 32px;
        flex-shrink: 0;
        border-radius: 50%;
        border: 1px solid var(--hetiss-arrow-border);
        background-color: var(--hetiss-bg);
        color: var(--hetiss-dark);
        font-size: 1.1rem;
        line-height: 1;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background-color 0.2s ease;
    }

    .slider-arrow:hover {
        background-color: var(--hetiss-light);
    }

    .slider-arrow[aria-disabled="true"] {
        opacity: 0.3;
        cursor: default;
    }

    .testimonial-card .testimonial-org  { font-size: 1.125rem; }
    .testimonial-card .testimonial-text { font-size: 0.8125rem; }
    .testimonial-card .testimonial-name { font-size: 0.8125rem; }
}

/* ===== Thème sombre ===== */

/* Préférence système — ignorée si l'utilisateur a forcé le thème clair */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --hetiss-light: #444444;
        --hetiss-dark: #ffffff;
        --hetiss-muted: #999999;
        --hetiss-bg: #000000;
        --hetiss-border-rgba: rgba(255, 255, 255, 0.35);
        --hetiss-dot-rgba: rgba(255, 255, 255, 0.18);
        --hetiss-arrow-border: rgba(255, 255, 255, 0.15);
        --hetiss-dropdown-border: rgba(255, 255, 255, 0.35);
        --hetiss-accent-yellow: #f6ff9e;
    }

    :root:not([data-theme="light"]) .navbar .nav-link:hover,
    :root:not([data-theme="light"]) .navbar .nav-link:focus,
    :root:not([data-theme="light"]) .navbar .nav-link.active,
    :root:not([data-theme="light"]) .navbar .nav-link.show { color: #bdbdbd; }

    :root:not([data-theme="light"]) .navbar .dropdown-item:hover,
    :root:not([data-theme="light"]) .navbar .dropdown-item:focus { color: #bdbdbd; }

    :root:not([data-theme="light"]) .navbar .dropdown-item.active,
    :root:not([data-theme="light"]) .navbar .dropdown-item[aria-current="page"] {
        color: var(--hetiss-accent-yellow);
        background-color: transparent;
    }

    :root:not([data-theme="light"]) .navbar .dropdown-menu {
        --bs-dropdown-bg: #000000;
        --bs-dropdown-color: #ffffff;
        --bs-dropdown-link-color: #ffffff;
        --bs-dropdown-link-hover-bg: #444444;
        --bs-dropdown-link-hover-color: #bdbdbd;
        --bs-dropdown-border-color: rgba(255, 255, 255, 0.35);
    }

    :root:not([data-theme="light"]) .testimonial-quote-mark {
        filter: brightness(0) invert(1) !important;
    }

    :root:not([data-theme="light"]) .navbar-brand img,
    :root:not([data-theme="light"]) .site-footer img.d-inline-block,
    :root:not([data-theme="light"]) .value-visual img,
    :root:not([data-theme="light"]) .valeur-icon img {
        filter: brightness(0) invert(1);
    }

    :root:not([data-theme="light"]) .hero-quote .quote-mark {
        filter: invert(1);
    }

    :root:not([data-theme="light"]) .hero-subtitle {
        color: #000000;
    }

    :root:not([data-theme="light"]) .hero-cta,
    :root:not([data-theme="light"]) .hero-cta:active {
        background-color: #ffffff;
        color: #000000;
    }

    :root:not([data-theme="light"]) .hero-cta:hover,
    :root:not([data-theme="light"]) .hero-cta:focus {
        background-color: #e8e8e8;
        color: #000000;
    }

    :root:not([data-theme="light"]) .page-hero__title {
        color: var(--hetiss-dark);
    }

    :root:not([data-theme="light"]) a {
        color: var(--hetiss-accent-yellow);
    }

    :root:not([data-theme="light"]) a:hover,
    :root:not([data-theme="light"]) a:focus {
        color: var(--hetiss-accent-yellow);
    }

    :root:not([data-theme="light"]) .skip-link,
    :root:not([data-theme="light"]) .skip-link:hover,
    :root:not([data-theme="light"]) .skip-link:focus {
        color: #3946d5;
    }

    :root:not([data-theme="light"]) .btn,
    :root:not([data-theme="light"]) .btn:hover,
    :root:not([data-theme="light"]) .btn:focus {
        color: var(--bs-btn-color);
    }

    :root:not([data-theme="light"]) .navbar .dropdown-item {
        color: var(--bs-dropdown-link-color);
    }

    :root:not([data-theme="light"]) .site-footer .footer-list a:hover,
    :root:not([data-theme="light"]) .site-footer .footer-list a:focus {
        color: var(--hetiss-dark);
    }

    :root:not([data-theme="light"]) .footer-settings-btn,
    :root:not([data-theme="light"]) .footer-settings-btn:hover,
    :root:not([data-theme="light"]) .footer-settings-btn:focus {
        color: var(--hetiss-dark);
    }

    :root:not([data-theme="light"]) .valeur-hr,
    :root:not([data-theme="light"]) .valeur-hr-bis {
        opacity: 0.35;
    }

    :root:not([data-theme="light"]) {
        --hetiss-conclusion-bg: #ffc14c;
    }

    :root:not([data-theme="light"]) .valeur-conclusion,
    :root:not([data-theme="light"]) .valeur-conclusion .section-title,
    :root:not([data-theme="light"]) .valeur-conclusion p,
    :root:not([data-theme="light"]) .valeur-conclusion .equipe-quote__text,
    :root:not([data-theme="light"]) .valeur-conclusion .equipe-quote__cite {
        color: #000000;
    }

    :root:not([data-theme="light"]) .valeur-conclusion .equipe-list {
        color: #000000;
    }

    :root:not([data-theme="light"]) .valeur-conclusion .equipe-quote__guillemet {
        filter: brightness(0);
    }

    :root:not([data-theme="light"]) .valeur-link,
    :root:not([data-theme="light"]) .valeur-link:hover,
    :root:not([data-theme="light"]) .valeur-link:focus {
        color: var(--hetiss-accent-yellow);
    }

    :root:not([data-theme="light"]) .equipe-quote__guillemet {
        filter: brightness(0) invert(1);
    }

    :root:not([data-theme="light"]) .navbar-toggler {
        --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255%2c255%2c255%2c0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
}

/* Bascule manuelle vers le thème sombre */
[data-theme="dark"] {
    --hetiss-light: #333333;
    --hetiss-dark: #ffffff;
    --hetiss-muted: #9E9E9E;
    --hetiss-bg: #000000;
    --hetiss-border-rgba: rgba(255, 255, 255, 0.35);
    --hetiss-dot-rgba: rgba(255, 255, 255, 0.18);
    --hetiss-arrow-border: rgba(255, 255, 255, 0.15);
    --hetiss-dropdown-border: rgba(255, 255, 255, 0.35);
    --hetiss-accent-yellow: #ffc14c;
}

[data-theme="dark"] .navbar .nav-link:hover,
[data-theme="dark"] .navbar .nav-link:focus,
[data-theme="dark"] .navbar .nav-link.active,
[data-theme="dark"] .navbar .nav-link.show { color: #bdbdbd; }

[data-theme="dark"] .navbar .dropdown-item:hover,
[data-theme="dark"] .navbar .dropdown-item:focus { color: #bdbdbd; }

[data-theme="dark"] .navbar .dropdown-item.active,
[data-theme="dark"] .navbar .dropdown-item[aria-current="page"] {
    color: var(--hetiss-accent-yellow);
    background-color: transparent;
}

[data-theme="dark"] .navbar .dropdown-menu {
    --bs-dropdown-bg: #000000;
    --bs-dropdown-color: #ffffff;
    --bs-dropdown-link-color: #ffffff;
    --bs-dropdown-link-hover-bg: #444444;
    --bs-dropdown-link-hover-color: #bdbdbd;
    --bs-dropdown-border-color: rgba(255, 255, 255, 0.35);
}

[data-theme="dark"] .testimonial-quote-mark {
    filter: brightness(0) invert(1) !important;
}

[data-theme="dark"] .navbar-brand img,
[data-theme="dark"] .site-footer img.d-inline-block,
[data-theme="dark"] .value-visual img,
[data-theme="dark"] .valeur-icon img {
    filter: brightness(0) invert(1);
}

[data-theme="dark"] .hero-quote .quote-mark {
    filter: invert(1);
}

[data-theme="dark"] .hero-subtitle {
    color: #000000;
}

[data-theme="dark"] .hero-cta,
[data-theme="dark"] .hero-cta:active {
    background-color: #ffffff;
    color: #000000;
}

[data-theme="dark"] .hero-cta:hover,
[data-theme="dark"] .hero-cta:focus {
    background-color: #e8e8e8;
    color: #000000;
}

[data-theme="dark"] .navbar-toggler {
    --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255%2c255%2c255%2c0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="dark"] .page-hero__title {
    color: var(--hetiss-dark);
}

[data-theme="dark"] a {
    color: var(--hetiss-accent-yellow);
}

[data-theme="dark"] a:hover,
[data-theme="dark"] a:focus {
    color: var(--hetiss-accent-yellow);
}

[data-theme="dark"] .skip-link,
[data-theme="dark"] .skip-link:hover,
[data-theme="dark"] .skip-link:focus {
    color: #3946d5;
}

[data-theme="dark"] .btn,
[data-theme="dark"] .btn:hover,
[data-theme="dark"] .btn:focus {
    color: var(--bs-btn-color);
}

[data-theme="dark"] .navbar .dropdown-item {
    color: var(--bs-dropdown-link-color);
}

[data-theme="dark"] .site-footer .footer-list a:hover,
[data-theme="dark"] .site-footer .footer-list a:focus {
    color: var(--hetiss-dark);
}

[data-theme="dark"] .footer-settings-btn,
[data-theme="dark"] .footer-settings-btn:hover,
[data-theme="dark"] .footer-settings-btn:focus {
    color: var(--hetiss-dark);
}

[data-theme="dark"] .valeur-hr,
[data-theme="dark"] .valeur-hr-bis {
    opacity: 0.35;
}

[data-theme="dark"] {
    --hetiss-conclusion-bg: #ffc14c;
}

[data-theme="dark"] .valeur-conclusion,
[data-theme="dark"] .valeur-conclusion .section-title,
[data-theme="dark"] .valeur-conclusion p,
[data-theme="dark"] .valeur-conclusion .equipe-quote__text,
[data-theme="dark"] .valeur-conclusion .equipe-quote__cite {
    color: #000000;
}

[data-theme="dark"] .valeur-conclusion .equipe-list {
    color: #000000;
}

[data-theme="dark"] .valeur-conclusion .equipe-quote__guillemet {
    filter: brightness(0);
}

[data-theme="dark"] .valeur-link,
[data-theme="dark"] .valeur-link:hover,
[data-theme="dark"] .valeur-link:focus {
    color: var(--hetiss-accent-yellow);
}

[data-theme="dark"] .equipe-quote__guillemet {
    filter: brightness(0) invert(1);
}

.footer-bottom-row {
    border-top: 1px solid var(--hetiss-border-rgba);
}

@media (max-width: 767.98px) {
    .footer-bottom-row {
        border-top: none;
    }
}

/* ===== Bouton paramètres d'affichage (footer) ===== */
.footer-settings-btn {
    background: none;
    border: none;
    color: var(--hetiss-dark);
    font-family: var(--bs-body-font-family);
    font-size: 0.8125rem;
    cursor: pointer;
    padding: 0;
    text-decoration: none;
}

.footer-settings-btn:hover,
.footer-settings-btn:focus {
    text-decoration: underline;
}

/* ===== Modale paramètres d'affichage ===== */
.display-settings-dialog {
    --bs-modal-width: 420px;
}

.display-settings-content {
    background-color: var(--hetiss-bg);
    color: var(--hetiss-dark);
    border: 1px solid var(--hetiss-border-rgba);
    border-radius: var(--hetiss-border-radius);
}

.display-settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--hetiss-border-rgba);
    padding: 1.25rem 1.5rem;
}

.display-settings-title {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--hetiss-dark);
    margin: 0;
}

.display-settings-close {
    background: none;
    border: none;
    color: var(--hetiss-muted);
    font-family: var(--bs-body-font-family);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
    transition: color 0.2s ease;
    flex-shrink: 0;
}

.display-settings-close:hover,
.display-settings-close:focus {
    color: var(--hetiss-dark);
}

.display-settings-body {
    padding: 1.5rem;
}

.display-settings-desc {
    font-size: 0.875rem;
    color: var(--hetiss-muted);
    margin-bottom: 1.25rem;
}

.display-settings-themes {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.display-settings-theme-btn {
    background-color: var(--hetiss-light);
    border: 2px solid transparent;
    border-radius: var(--hetiss-border-radius);
    padding: 0.875rem 1.125rem;
    text-align: left;
    cursor: pointer;
    font-family: var(--bs-body-font-family);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--hetiss-dark);
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    transition: border-color 0.15s ease;
}

.display-settings-theme-btn:hover {
    border-color: rgba(57, 70, 213, 0.35);
}

.display-settings-theme-btn.active {
    border-color: var(--hetiss-primary);
    background-color: var(--hetiss-bg);
}

.display-settings-theme-btn[aria-pressed="true"] {
    border-color: var(--hetiss-primary);
    background-color: var(--hetiss-bg);
}

.display-settings-theme-sub {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--hetiss-muted);
}

/* Mobile : pleine page */
@media (max-width: 767.98px) {
    .display-settings-content {
        border-radius: 0;
        border: none;
    }
}

/* ===== Formulaires ===== */
.form-control,
.form-check-input {
    border-color: #949494;
}

/* ===== Page Contact ===== */
.contact-success {
    background-color: #eaf5ea;
    border-left: 4px solid #2e7d32;
    border-radius: var(--hetiss-border-radius);
    padding: 1.5rem;
    color: #1b5e20;
    font-size: 0.9375rem;
}

.contact-error {
    background-color: #fce8e8;
    border-left: 4px solid #c62828;
    border-radius: var(--hetiss-border-radius);
    padding: 1.25rem 1.5rem;
    color: #7f1d1d;
    font-size: 0.9375rem;
}

.contact-address {
    font-style: normal;
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--hetiss-dark);
}

.contact-required-note {
    font-size: 0.8125rem;
    color: var(--hetiss-muted);
}

/* ===== Formulaires en mode sombre ===== */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .form-control,
    :root:not([data-theme="light"]) .form-check-input {
        background-color: #111111;
        border-color: #949494;
        color: #ffffff;
    }

    :root:not([data-theme="light"]) .form-control::placeholder {
        color: rgba(255, 255, 255, 0.4);
    }

    :root:not([data-theme="light"]) .form-control:focus,
    :root:not([data-theme="light"]) .form-check-input:focus {
        background-color: #111111;
        border-color: var(--hetiss-primary);
        color: #ffffff;
        box-shadow: 0 0 0 0.25rem rgba(57, 70, 213, 0.35);
    }

    :root:not([data-theme="light"]) .form-check-input:checked {
        background-color: var(--hetiss-primary);
        border-color: var(--hetiss-primary);
    }

    :root:not([data-theme="light"]) .contact-success {
        background-color: #1a3a1e;
        border-color: #4caf50;
        color: #a5d6a7;
    }

    :root:not([data-theme="light"]) .contact-error {
        background-color: #3a1111;
        border-color: #ef5350;
        color: #ef9a9a;
    }
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-check-input {
    background-color: #111111;
    color: #ffffff;
}

[data-theme="dark"] .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-check-input:focus {
    background-color: #111111;
    border-color: var(--hetiss-primary);
    color: #ffffff;
    box-shadow: 0 0 0 0.25rem rgba(57, 70, 213, 0.35);
}

[data-theme="dark"] .form-check-input:checked {
    background-color: var(--hetiss-primary);
    border-color: var(--hetiss-primary);
}

[data-theme="dark"] .contact-success {
    background-color: #1a3a1e;
    border-color: #4caf50;
    color: #a5d6a7;
}

[data-theme="dark"] .contact-error {
    background-color: #3a1111;
    border-color: #ef5350;
    color: #ef9a9a;
}

/* ===== Page Formation ===== */
.formation-intro-img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--hetiss-border-radius);
    object-fit: cover;
}

.formation-niveau {
    background-color: var(--hetiss-bg);
    border: 1px solid var(--hetiss-border-rgba);
    border-radius: var(--hetiss-border-radius);
    padding: 2rem 1.75rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.formation-niveau__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: flex-start;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background-color: var(--hetiss-primary);
    color: #ffffff;
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
    flex-shrink: 0;
}

.formation-niveau__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--hetiss-primary);
    margin-bottom: 0.375rem;
}

.formation-niveau__title {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: 1.125rem;
    line-height: 1.3;
    color: var(--hetiss-dark);
    margin: 0 0 0.875rem;
}

.formation-niveau__body {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--hetiss-dark);
    margin: 0;
    flex: 1;
}

.formation-metier {
    background-color: var(--hetiss-light);
    border-radius: var(--hetiss-border-radius);
    padding: 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    border-top: 3px solid var(--hetiss-primary);
}

.formation-metier__title {
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--hetiss-dark);
    margin: 0 0 0.625rem;
}

.formation-metier__body {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--hetiss-dark);
    margin: 0;
    flex: 1;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .formation-niveau__label {
        color: var(--hetiss-accent-yellow);
    }
    :root:not([data-theme="light"]) .formation-niveau__badge {
        border: 2px solid rgba(255, 255, 255, 0.8);
    }
}

[data-theme="dark"] .formation-niveau__label {
    color: var(--hetiss-accent-yellow);
}

[data-theme="dark"] .formation-niveau__badge {
    border: 2px solid rgba(255, 255, 255, 0.8);
}