/* ---- Intro de section : eyebrow + titre + chapô centrés ----
   Réutilisé tel quel par "Notre engagement" (sans eyebrow) et
   "Nos services" (avec eyebrow) : l'eyebrow est un élément optionnel. */
.section-intro {
    padding: 5rem 2rem;
    text-align: center;
}

.section-intro__container {
    max-width: 760px;
    margin: 0 auto;
}

.section-intro__eyebrow {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin: 0 0 1rem;
}

.section-intro__title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    line-height: 1.2;
    margin: 0 0 1.25rem;
}

.home-section-intro__title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    color: #fff;
    line-height: 1.2;
    margin: 0 0 1.25rem;
}

.section-intro__highlight {
    color: var(--color-primary);
    font-style: italic;
}

.section-intro__text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin: 0;
}

.home-section-intro__text {
    color: #fff;
}

@media (max-width: 600px) {
    .section-intro {
        padding: 3rem 1.25rem;
    }

    .section-intro__eyebrow {
        font-size: 0.75rem;
    }

    .section-intro__title {
        font-size: 1.75rem;
    }

    .section-intro__text {
        font-size: 0.95rem;
    }
}

/* ============================================================================
   5. HEADER
   ========================================================================== */
.site-header {
    background-color: var(--color-bg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    width: 100%;
}

.site-header__container {
    max-width: 1320px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-header__logo img {
    display: block;
    height: auto;
    max-height: 60px;
    width: auto;
}

.site-header__toggle-input {
    position: absolute;
    opacity: 0;
    width: 44px;
    height: 44px;
    top: 0;
    z-index: 3;
    cursor: pointer;
}

.site-header__burger {
    display: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 44px;
    height: 44px;
    position: relative;
    align-items: center;
    justify-content: center;
}

.site-header__burger-icon,
.site-header__burger-icon::before,
.site-header__burger-icon::after {
    display: block;
    background-color: var(--color-text);
    height: 2px;
    width: 24px;
    border-radius: 2px;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.site-header__burger-icon::before,
.site-header__burger-icon::after {
    content: "";
    position: absolute;
}

.site-header__burger-icon::before {
    transform: translateY(-8px);
}

.site-header__burger-icon::after {
    transform: translateY(8px);
}

.site-header__toggle-input:focus-visible+.site-header__burger {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
    border-radius: 4px;
}

.site-header__toggle-input:checked~.site-header__burger .site-header__burger-icon {
    background-color: transparent;
}

.site-header__toggle-input:checked~.site-header__burger .site-header__burger-icon::before {
    transform: rotate(45deg);
}

.site-header__toggle-input:checked~.site-header__burger .site-header__burger-icon::after {
    transform: rotate(-45deg);
}

.site-header__nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.site-header__nav-link {
    text-decoration: none;
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
    padding: 0.5rem 0;
    position: relative;
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
    color: var(--color-primary-dark);
}

.site-header__nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.2s ease;
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
    width: 100%;
}

@media (max-width: 1024px) {
    .site-header__nav-list {
        gap: 1.25rem;
    }

    .site-header__nav-link {
        font-size: 0.9rem;
    }

    .site-header .btn {
        padding: 0.7rem 1.25rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: 1rem 1.25rem;
    }

    .site-header__container {
        flex-wrap: wrap;
    }

    .site-header__toggle-input {
        display: block;
        order: 2;
    }

    .site-header__burger {
        display: flex;
        order: 2;
    }

    .site-header__logo {
        order: 1;
    }

    .site-header__cta {
        order: 3;
    }

    .site-header__nav {
        order: 4;
        flex-basis: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .site-header__toggle-input:checked~.site-header__nav {
        max-height: 500px;
    }

    .site-header__nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 1rem 0;
    }

    .site-header__nav-item {
        width: 100%;
    }

    .site-header__nav-link {
        display: block;
        width: 100%;
        padding: 0.85rem 0;
    }

    .site-header__cta .btn {
        padding: 0.6rem 1.1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .site-header__logo img {
        max-height: 44px;
    }
}