/* ============================================================
   NAVIGATION & EN-TÊTE
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: white;
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
}

.site-header--scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: transparent;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 1rem;
}

.nav__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.nav__logo img {
    height: 44px;
    width: auto;
}

.nav__logo-fallback {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    align-items: center;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: clamp(0.25rem, 1.5vw, 1.5rem);
}

.nav__menu a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    padding: 0.25rem 0.125rem;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
    white-space: nowrap;
}

.nav__menu a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}

.nav__menu a[aria-current="page"] {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}

.nav__cta {
    background: var(--color-accent) !important;
    color: white !important;
    padding: 0.625rem 1.25rem !important;
    border-radius: var(--radius-sm) !important;
    border-bottom: none !important;
    font-weight: 600 !important;
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition) !important;
}

.nav__cta:hover {
    background: var(--color-accent-dark) !important;
    color: white !important;
    border-bottom-color: transparent !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Bouton burger */
.nav__burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.nav__burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.nav__burger[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav__burger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.nav__burger[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile navigation */
@media (max-width: 900px) {
    .nav__burger {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: white;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        border-top: 1px solid var(--color-border);
        overflow-y: auto;
        padding: 0;
    }

    .nav__menu--open {
        transform: translateX(0);
    }

    .nav__menu li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav__menu a {
        display: block;
        padding: 1.125rem 1.5rem;
        font-size: 1.0625rem;
        border-bottom: none !important;
    }

    .nav__menu a:hover,
    .nav__menu a[aria-current="page"] {
        background: var(--color-bg-subtle);
        border-bottom: none !important;
    }

    .nav__menu li:last-child {
        padding: 1.25rem 1.5rem;
        border-bottom: none;
    }

    .nav__cta {
        display: block !important;
        text-align: center !important;
        padding: 1rem 1.5rem !important;
        border-radius: var(--radius-sm) !important;
        margin: 0 !important;
    }
}

/* ============================================================
   BOUTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.875rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background var(--transition), color var(--transition),
                border-color var(--transition), transform var(--transition),
                box-shadow var(--transition);
    white-space: nowrap;
}

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

.btn--accent:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--outline-white {
    background-color: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.75);
}

.btn--outline-white:hover {
    background-color: white;
    color: var(--color-primary);
    border-color: white;
    transform: translateY(-2px);
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-color: #002D38;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

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

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    /* Sombre à gauche (lisibilité texte), s'efface vers la droite (laisse voir l'image) */
    background: linear-gradient(
        to right,
        rgba(0, 45, 56, 0.97) 0%,
        rgba(0, 45, 56, 0.90) 42%,
        rgba(0, 45, 56, 0.35) 65%,
        transparent 80%
    );
}

/* ── Image pleine hauteur, bord gauche oblique ── */
.hero__image-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
    /* Coupe diagonale : bord gauche va de 12% (haut) à 0% (bas) */
    clip-path: polygon(12% 0%, 100% 0%, 100% 100%, 0% 100%);
    /* Fond placeholder — visible tant que la photo n'est pas fournie */
    background: linear-gradient(160deg, #0092AD 0%, #002D38 100%);
}

.hero__image-panel picture {
    display: block;
    width: 100%;
    height: 100%;
}

.hero__image-panel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

/* Ombre interne gauche pour fondre avec l'overlay */
.hero__image-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0, 45, 56, 0.50) 0%, transparent 25%);
    pointer-events: none;
}

/* Mobile : panel masqué, l'overlay revient plein-écran */
@media (max-width: 900px) {
    .hero__image-panel {
        display: none;
    }

    .hero__overlay {
        background: linear-gradient(
            135deg,
            rgba(0, 45, 56, 0.88) 0%,
            rgba(0, 118, 142, 0.65) 100%
        );
    }
}

/* Fond gradient de fallback si l'image n'est pas disponible */
.hero--no-image .hero__overlay {
    background: linear-gradient(
        135deg,
        var(--color-primary-dark) 0%,
        var(--color-primary) 100%
    );
}

.hero__inner {
    position: relative;
    z-index: 3;
    padding-block: clamp(5rem, 10vw, 9rem);
    width: 100%;
}

.hero__content {
    max-width: 560px;
}

.hero h1 {
    color: white;
    margin-bottom: 1.25rem;
}

.hero h1 span {
    color: var(--color-accent);
}

.hero__subtitle {
    color: rgba(255, 255, 255, 0.88);
    font-size: clamp(1rem, 2vw, 1.1875rem);
    margin-bottom: 2.5rem;
    line-height: 1.65;
}

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

/* ============================================================
   BADGES RÉASSURANCE
   ============================================================ */
.reassurance {
    position: relative;
}

.reassurance__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

@media (max-width: 900px) {
    .reassurance__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .reassurance__grid {
        grid-template-columns: 1fr;
    }
}

.badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem 1.25rem;
    background: var(--color-accent-light);
    border-radius: var(--radius-md);
    border: 1px solid rgba(232, 160, 32, 0.25);
    transition: transform var(--transition), box-shadow var(--transition);
}

.badge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.badge__icon {
    width: 48px;
    height: 48px;
    margin-bottom: 0.875rem;
    color: var(--color-accent-dark);
}

.badge strong {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    display: block;
    margin-bottom: 0.25rem;
}

.badge span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* ============================================================
   CARTES SERVICES
   ============================================================ */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--gap);
}

.service-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem 1.75rem;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
    color: inherit;
}

.service-card__icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent-light);
    border-radius: 50%;
    margin-bottom: 1.25rem;
    color: var(--color-primary);
    transition: background var(--transition);
    flex-shrink: 0;
}

.service-card__icon svg {
    width: 28px;
    height: 28px;
}

.service-card:hover .service-card__icon {
    background-color: var(--color-primary);
    color: white;
}

.service-card h3 {
    margin-bottom: 0.5rem;
    color: var(--color-primary-dark);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.service-card__link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary-light);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    transition: color var(--transition), gap var(--transition);
}

.service-card:hover .service-card__link {
    color: var(--color-primary);
    gap: 0.625rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.8);
    margin-top: auto;
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: clamp(1.5rem, 3vw, 3rem);
    padding-block-start: clamp(3rem, 6vw, 4rem);
    padding-block-end: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 900px) {
    .footer__inner {
        grid-template-columns: 1fr 1fr;
    }
    .footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 560px) {
    .footer__inner {
        grid-template-columns: 1fr;
    }
    .footer__brand {
        grid-column: auto;
    }
}

.footer__col h3 {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: white;
    margin-bottom: 1.125rem;
}

.footer__col ul li {
    margin-bottom: 0.625rem;
}

.footer__col--2col ul {
    columns: 2;
    column-gap: 1.25rem;
}

.footer__col a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9375rem;
    transition: color var(--transition);
}

.footer__col a:hover {
    color: var(--color-accent);
}

.footer__brand img {
    margin-bottom: 1rem;
    max-height: 40px;
    width: auto;
}

.footer__brand p {
    font-size: 0.9rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
}

.footer__contact address {
    font-style: normal;
}

.footer__contact address p {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
}

.footer__contact address svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.footer__bottom {
    padding-block: 1.25rem;
}

.footer__bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.footer__bottom p,
.footer__bottom a {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer__bottom a:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================================
   DROPDOWN NAVIGATION
   ============================================================ */
.nav__item--has-dropdown {
    position: relative;
}

.nav__dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    padding: 0.25rem 0.125rem;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
    white-space: nowrap;
}

.nav__dropdown-toggle:hover,
.nav__dropdown-toggle[aria-expanded="true"],
.nav__dropdown-toggle[data-active="true"] {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}

.nav__dropdown-icon {
    width: 14px;
    height: 14px;
    transition: transform var(--transition);
    color: var(--color-text-muted);
}

.nav__dropdown-toggle[aria-expanded="true"] .nav__dropdown-icon {
    transform: rotate(180deg);
}

/* Desktop dropdown panel */
@media (min-width: 901px) {
    .nav__dropdown {
        position: absolute;
        top: calc(100% + 0.75rem);
        left: -0.875rem;
        background: white;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        min-width: 260px;
        padding: 0.375rem 0;
        z-index: 200;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
        pointer-events: none;
    }

    .nav__item--has-dropdown:hover .nav__dropdown,
    .nav__dropdown--open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav__dropdown li a {
        display: flex;
        align-items: center;
        gap: 0.625rem;
        padding: 0.6rem 1.125rem;
        font-size: 0.9rem;
        color: var(--color-text);
        border-bottom: none !important;
        transition: background var(--transition), color var(--transition);
    }

    .nav__dropdown li a:hover {
        background: var(--color-bg-subtle);
        color: var(--color-primary);
    }

    .nav__dropdown li a[aria-current="page"] {
        background: var(--color-accent-light);
        color: var(--color-primary-dark);
        font-weight: 600;
    }

    .nav__dropdown li a svg {
        color: var(--color-accent-dark);
        flex-shrink: 0;
    }
}

/* Mobile dropdown (accordion dans le menu burger) */
@media (max-width: 900px) {
    .nav__dropdown-toggle {
        display: flex;
        justify-content: space-between;
        width: 100%;
        padding: 1.125rem 1.5rem;
        font-size: 1.0625rem;
        border-bottom: none;
    }

    .nav__dropdown-toggle:hover,
    .nav__dropdown-toggle[aria-expanded="true"] {
        background: var(--color-bg-subtle);
        border-bottom: none;
        border-bottom-color: transparent;
    }

    .nav__dropdown {
        display: none;
        background: var(--color-bg-subtle);
        border-top: 1px solid var(--color-border);
    }

    .nav__dropdown--open {
        display: block;
    }

    .nav__dropdown li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav__dropdown li a {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.9rem 1.5rem 0.9rem 2rem;
        font-size: 1rem;
        color: var(--color-text);
        border-bottom: none !important;
    }

    .nav__dropdown li a:hover,
    .nav__dropdown li a[aria-current="page"] {
        background: var(--color-accent-light);
        color: var(--color-primary);
        border-bottom: none !important;
    }

    .nav__dropdown li a svg {
        color: var(--color-accent-dark);
    }
}

/* ============================================================
   HERO — ÉLÉMENTS ADDITIONNELS
   ============================================================ */
.hero__eyebrow {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    background: rgba(232, 160, 32, 0.15);
    padding: 0.375rem 0.875rem;
    border-radius: 999px;
    border: 1px solid rgba(232, 160, 32, 0.3);
}

.hero h1 strong {
    color: white;
}

/* ============================================================
   SERVICE CARD — VARIANTE HIGHLIGHT (rénovation énergétique)
   ============================================================ */
.service-card--highlight {
    border-color: var(--color-primary-light);
    background: linear-gradient(135deg, #fff 60%, #F0F5FF 100%);
    position: relative;
}

.service-card--highlight::after {
    content: 'RGE';
    position: absolute;
    top: 0.875rem;
    right: 0.875rem;
    background: var(--color-primary);
    color: white;
    font-family: var(--font-heading);
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

/* ============================================================
   SECTION EXPERT FENÊTRE
   ============================================================ */
.ef-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
}

@media (max-width: 768px) {
    .ef-section {
        grid-template-columns: 1fr;
    }
}

.ef-section__intro {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-block: 1rem 0;
}

.ef-features {
    list-style: none;
    margin-block: 1.5rem;
}

.ef-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9375rem;
    color: var(--color-text);
}

.ef-features li:last-child {
    border-bottom: none;
}

.ef-features li::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    min-width: 18px;
    background-color: var(--color-success);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: 12px;
    background-repeat: no-repeat;
    background-position: center;
    margin-top: 2px;
}

.ef-section__visual {
    display: flex;
    justify-content: center;
}

.ef-card {
    background: #00bdad;
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    color: white;
    max-width: 340px;
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.ef-card__icon {
    width: 64px;
    height: 64px;
    margin-inline: auto;
    margin-bottom: 1.25rem;
    color: var(--color-accent);
}

.ef-card__brand {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.375rem;
}

.ef-card__brand img {
    display: block;
    margin-inline: auto;
    margin-bottom: 1.5rem;
    max-width: 200px;
    height: auto;
}

.ef-card__sub {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.ef-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.ef-card__tags span {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    padding: 0.3rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================================
   CTA SECTION FINALE
   ============================================================ */
.cta-section {
    background: var(--color-primary-dark);
}

.cta-section .section-label {
    color: var(--color-accent);
}

.cta-section .section-title {
    color: white;
}

.cta-section .section-subtitle {
    color: rgba(255, 255, 255, 0.75);
}

.cta-section__btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Couleur accent text */
.text-accent {
    color: var(--color-accent);
}


/* ============================================================
   BARRE TÉLÉPHONE MOBILE FIXE
   ============================================================ */
.cta-mobile-bar {
    display: none;
}

@media (max-width: 768px) {
    .cta-mobile-bar {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: var(--color-accent);
        box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
    }

    .cta-mobile-bar__link {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.625rem;
        padding: 1rem 1.5rem;
        color: white;
        text-decoration: none;
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1rem;
    }
}