/* ═══════════════════════════════════════════════════════════════════
   style.css — Entreprise Forestière Pierre Porchet
   Design haut de gamme — thème forêt/bois — 2025
   ═══════════════════════════════════════════════════════════════════ */

/* ──────────────────────────────────────────────────────────────────
   1. VARIABLES CSS
   ────────────────────────────────────────────────────────────────── */
:root {
    /* Couleurs principales */
    --color-sapin:       #1b3a2b;
    --color-sapin-deep:  #122a1f;
    --color-foret:       #245c3d;
    --color-mousse:      #5a7d52;
    --color-mousse-light:#7aa36f;
    --color-bois:        #c8923d;
    --color-bois-dark:   #b5651d;
    --color-creme:       #f5f1e8;
    --color-creme-dark:  #ede9db;
    --color-anthracite:  #1a1d1a;
    --color-dark-bg:     #192d21;
    --color-forest-bg:   #1e3528;

    /* Texte */
    --color-text:        #2d3530;
    --color-text-light:  #f0ede4;
    --color-text-muted:  #6b7a6e;
    --color-text-muted-l:#a8c0b0;

    /* Typographie */
    --font-heading:      'Oswald', sans-serif;
    --font-body:         'Source Sans 3', 'Source Sans Pro', sans-serif;

    /* Tailles de police */
    --fs-xs:   0.75rem;
    --fs-sm:   0.875rem;
    --fs-base: 1rem;
    --fs-md:   1.125rem;
    --fs-lg:   1.25rem;
    --fs-xl:   1.5rem;
    --fs-2xl:  2rem;
    --fs-3xl:  2.5rem;
    --fs-4xl:  3.5rem;
    --fs-hero: clamp(3rem, 8vw, 6rem);

    /* Espacements */
    --sp-xs:   0.5rem;
    --sp-sm:   1rem;
    --sp-md:   1.5rem;
    --sp-lg:   2.5rem;
    --sp-xl:   4rem;
    --sp-2xl:  6rem;
    --sp-3xl:  8rem;

    /* Bordures */
    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   16px;
    --radius-xl:   24px;

    /* Ombres */
    --shadow-sm:   0 2px 8px rgba(0,0,0,0.08);
    --shadow-md:   0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg:   0 8px 40px rgba(0,0,0,0.18);
    --shadow-xl:   0 16px 60px rgba(0,0,0,0.25);

    /* Transitions */
    --transition-fast:   0.15s ease;
    --transition-base:   0.3s ease;
    --transition-slow:   0.5s ease;

    /* Header */
    --header-h:          80px;
    --header-h-compact:  60px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-creme);
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol { list-style: none; }

address { font-style: normal; }

/* Focus visible pour l'accessibilité */
:focus-visible {
    outline: 2px solid var(--color-bois);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* ──────────────────────────────────────────────────────────────────
   3. LAYOUT HELPERS
   ────────────────────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: var(--sp-md);
}

.section {
    padding-block: var(--sp-3xl);
    position: relative;
}

.section--cream    { background-color: var(--color-creme); }
.section--dark     { background-color: var(--color-dark-bg); }
.section--forest   { background-color: var(--color-forest-bg); }

/* ──────────────────────────────────────────────────────────────────
   4. BOUTONS
   ────────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: var(--fs-base);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background-color var(--transition-base),
                color var(--transition-base),
                transform var(--transition-fast),
                box-shadow var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background-color: var(--color-foret);
    color: #fff;
    border-color: var(--color-foret);
    box-shadow: 0 4px 16px rgba(36,92,61,0.4);
}
.btn-primary:hover {
    background-color: var(--color-sapin);
    border-color: var(--color-sapin);
    box-shadow: 0 6px 24px rgba(27,58,43,0.5);
}

.btn-outline {
    background-color: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover {
    background-color: rgba(255,255,255,0.15);
    border-color: #fff;
}

.btn-cta-header {
    background-color: var(--color-bois);
    color: #fff;
    border-color: var(--color-bois);
    padding: 0.55rem 1.25rem;
    font-size: var(--fs-sm);
    box-shadow: 0 3px 12px rgba(200,146,61,0.35);
}
.btn-cta-header:hover {
    background-color: var(--color-bois-dark);
    border-color: var(--color-bois-dark);
}

.btn--mt  { margin-top: var(--sp-md); }
.btn--full { width: 100%; justify-content: center; }

/* ──────────────────────────────────────────────────────────────────
   5. EN-TÊTES DE SECTION
   ────────────────────────────────────────────────────────────────── */
.section-header {
    text-align: center;
    margin-bottom: var(--sp-xl);
    position: relative;
}

.section-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 700;
    color: rgba(36,92,61,0.08);
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: -1.5rem;
    user-select: none;
}
.section-number--light { color: rgba(255,255,255,0.06); }

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
    font-weight: 700;
    color: var(--color-sapin);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-bois), var(--color-bois-dark));
    margin: 0.6rem auto 0;
    border-radius: 2px;
}

.section-title--light { color: var(--color-text-light); }

.section-subtitle {
    margin-top: var(--sp-sm);
    font-size: var(--fs-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin-inline: auto;
    font-weight: 300;
}
.section-subtitle--light { color: var(--color-text-muted-l); }

/* ──────────────────────────────────────────────────────────────────
   6. HEADER
   ────────────────────────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    transition: background-color var(--transition-base),
                height var(--transition-base),
                box-shadow var(--transition-base),
                backdrop-filter var(--transition-base);
    background-color: transparent;
}

.site-header.is-scrolled {
    background-color: rgba(18, 42, 31, 0.97);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    height: var(--header-h-compact);
    box-shadow: var(--shadow-md);
}

.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-md);
}

.header-logo img {
    height: 50px;
    width: auto;
    transition: height var(--transition-base), opacity var(--transition-base);
    filter: brightness(0) invert(1);
}

.site-header.is-scrolled .header-logo img { height: 38px; }

/* Navigation */
.main-nav {}

.nav-list {
    display: flex;
    gap: var(--sp-xs);
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.85);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition-base), background-color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: calc(100% - 1.2rem);
    height: 2px;
    background-color: var(--color-bois);
    border-radius: 1px;
    transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.is-active {
    color: #fff;
}
.nav-link:hover::after,
.nav-link.is-active::after { transform: translateX(-50%) scaleX(1); }

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
    padding: 0;
    z-index: 1100;
}

.burger-line {
    display: block;
    height: 2px;
    background-color: #fff;
    border-radius: 1px;
    transition: transform var(--transition-base), opacity var(--transition-base);
    transform-origin: center;
}

.burger.is-open .burger-line:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.burger.is-open .burger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.is-open .burger-line:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* Overlay mobile */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.nav-overlay.is-visible {
    display: block;
    opacity: 1;
}

/* ──────────────────────────────────────────────────────────────────
   7. SECTION HÉRO
   ────────────────────────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: var(--header-h);
}

/* Image de fond avec effet parallax (géré en CSS/JS) */
.hero-bg {
    position: absolute;
    inset: -10%;
    background-image: url('../../assets/img/hero/fog.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    transform: scale(1.1);
    will-change: transform;
}

/* Overlay dégradé vert sombre */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(18, 42, 31, 0.88) 0%,
        rgba(27, 58, 43, 0.78) 40%,
        rgba(36, 92, 61, 0.55) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding-block: var(--sp-2xl);
}

.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-bois);
    border: 1px solid rgba(200,146,61,0.5);
    padding: 0.35rem 1rem;
    border-radius: 999px;
    margin-bottom: var(--sp-md);
    backdrop-filter: blur(4px);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--fs-hero);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
    margin-bottom: var(--sp-md);
}

.hero-title em {
    font-style: normal;
    color: var(--color-bois);
    display: block;
}

.hero-subtitle {
    font-size: clamp(var(--fs-base), 2.5vw, var(--fs-lg));
    font-weight: 300;
    color: rgba(255,255,255,0.85);
    max-width: 640px;
    margin-inline: auto;
    margin-bottom: var(--sp-lg);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--sp-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Indicateur de scroll */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--sp-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-dot {
    display: block;
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.6));
    margin-inline: auto;
    border-radius: 1px;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50%  { opacity: 1; transform: scaleY(1); }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ──────────────────────────────────────────────────────────────────
   8. TRANSITIONS DE SECTIONS (vagues / diagonales)
   ────────────────────────────────────────────────────────────────── */
.section-wave {
    line-height: 0;
    overflow: hidden;
    margin-top: -2px;
}

.section-wave svg {
    width: 100%;
    display: block;
}

.section-diagonal {
    height: 80px;
    position: relative;
    overflow: hidden;
    margin-top: -2px;
}

.diagonal--dark {
    background: linear-gradient(
        to bottom right,
        var(--color-creme) 50%,
        var(--color-dark-bg) 50%
    );
}

.diagonal--forest-inv {
    background: linear-gradient(
        to bottom left,
        var(--color-creme) 50%,
        var(--color-forest-bg) 50%
    );
}

/* ──────────────────────────────────────────────────────────────────
   9. SECTION À PROPOS
   ────────────────────────────────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xl);
    align-items: start;
    margin-bottom: var(--sp-xl);
}

.about-lead {
    font-size: var(--fs-lg);
    font-weight: 400;
    color: var(--color-sapin);
    line-height: 1.7;
    margin-bottom: var(--sp-md);
    padding-left: var(--sp-sm);
    border-left: 3px solid var(--color-bois);
}

.about-text p {
    margin-bottom: var(--sp-sm);
    color: var(--color-text);
}

/* Citations */
.about-quotes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-sm);
}

.quote-card {
    background: #fff;
    border: 1px solid rgba(90,125,82,0.15);
    border-left: 3px solid var(--color-foret);
    border-radius: var(--radius-md);
    padding: var(--sp-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.quote-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.quote-card p {
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    font-style: italic;
    color: var(--color-sapin);
    line-height: 1.6;
}

/* Stats */
.stats-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    background: var(--color-sapin);
    border-radius: var(--radius-lg);
    padding: var(--sp-lg) var(--sp-xl);
    box-shadow: var(--shadow-lg);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: var(--sp-sm) var(--sp-xl);
    flex: 1;
    min-width: 120px;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--color-bois);
    line-height: 1;
    letter-spacing: 0.02em;
}

.stat-label {
    display: block;
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.6);
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255,255,255,0.15);
    flex-shrink: 0;
}

/* ──────────────────────────────────────────────────────────────────
   10. SECTION SERVICES
   ────────────────────────────────────────────────────────────────── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-md);
}

.service-card {
    background: var(--color-creme);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card__img-wrap {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.service-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-card__img { transform: scale(1.07); }

.service-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(18,42,31,0.4) 0%, transparent 60%);
    transition: opacity var(--transition-base);
}

.service-card__body {
    padding: var(--sp-md) var(--sp-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--color-sapin);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

.service-card__desc {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    flex: 1;
    margin-bottom: var(--sp-sm);
}

.service-card__link {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-foret);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: gap var(--transition-base), color var(--transition-base);
}

.service-card__link:hover {
    color: var(--color-bois-dark);
    gap: 0.8rem;
}

/* ──────────────────────────────────────────────────────────────────
   11. SECTION MACHINES
   ────────────────────────────────────────────────────────────────── */
.machines-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-md);
}

.machine-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 1px solid rgba(90,125,82,0.1);
}

.machine-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.machine-card__img-wrap {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.machine-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.machine-card:hover .machine-card__img { transform: scale(1.06); }

.machine-card__number {
    position: absolute;
    bottom: var(--sp-sm);
    right: var(--sp-sm);
    font-family: var(--font-heading);
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: rgba(255,255,255,0.5);
    line-height: 1;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.machine-card__body {
    padding: var(--sp-md) var(--sp-md);
}

.machine-card__title {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--color-sapin);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--sp-xs);
    border-bottom: 1px solid var(--color-creme-dark);
    padding-bottom: 0.5rem;
}

.machine-card__desc {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.65;
}

/* ──────────────────────────────────────────────────────────────────
   12. SECTION GALERIE
   ────────────────────────────────────────────────────────────────── */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Grille masonry-like avec quelques éléments plus grands */
.gallery-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    cursor: zoom-in;
    background: var(--color-sapin);
    padding: 0;
    border: none;
    border-radius: 0;
}

/* Quelques items span 2 colonnes pour effet masonry */
.gallery-item:nth-child(7n+1),
.gallery-item:nth-child(7n+5) {
    grid-column: span 2;
    aspect-ratio: 2/1;
}

.gallery-item__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), filter var(--transition-base);
    display: block;
}

.gallery-item:hover .gallery-item__img {
    transform: scale(1.08);
    filter: brightness(0.75);
}

.gallery-item__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0;
    transition: opacity var(--transition-base);
    background: rgba(18,42,31,0.3);
}

.gallery-item:hover .gallery-item__overlay,
.gallery-item:focus-visible .gallery-item__overlay { opacity: 1; }

/* ──────────────────────────────────────────────────────────────────
   13. LIGHTBOX
   ────────────────────────────────────────────────────────────────── */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(10, 20, 14, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-md);
    animation: lightboxFadeIn 0.25s ease;
}

.lightbox[hidden] { display: none; }

@keyframes lightboxFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.lightbox__content {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-sm);
}

.lightbox__img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    animation: lightboxSlide 0.2s ease;
}

@keyframes lightboxSlide {
    from { opacity: 0; transform: scale(0.96); }
    to   { opacity: 1; transform: scale(1); }
}

.lightbox__caption {
    color: rgba(255,255,255,0.6);
    font-size: var(--fs-sm);
    text-align: center;
}

.lightbox__close {
    position: absolute;
    top: var(--sp-md);
    right: var(--sp-md);
    color: #fff;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-base);
    z-index: 10;
}
.lightbox__close:hover { background: rgba(255,255,255,0.2); }

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-base), transform var(--transition-fast);
    z-index: 10;
}

.lightbox__nav:hover { background: rgba(255,255,255,0.2); }
.lightbox__nav:active { transform: translateY(-50%) scale(0.95); }
.lightbox__nav--prev { left: var(--sp-md); }
.lightbox__nav--next { right: var(--sp-md); }

.lightbox__counter {
    position: absolute;
    bottom: var(--sp-md);
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.5);
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    letter-spacing: 0.1em;
}

/* ──────────────────────────────────────────────────────────────────
   14. SECTION CONTACT
   ────────────────────────────────────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--sp-xl);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--sp-sm);
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-sm);
    background: #fff;
    border-radius: var(--radius-md);
    padding: var(--sp-sm) var(--sp-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(90,125,82,0.1);
    transition: box-shadow var(--transition-base);
}

.contact-card:hover { box-shadow: var(--shadow-md); }

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--color-creme);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-foret);
    flex-shrink: 0;
}

.contact-card__title {
    font-family: var(--font-heading);
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--color-sapin);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.contact-card__label {
    display: block;
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
    margin-bottom: 0.1rem;
}

.contact-card__text {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.contact-card__link {
    font-size: var(--fs-base);
    color: var(--color-foret);
    font-weight: 600;
    transition: color var(--transition-base);
}
.contact-card__link:hover { color: var(--color-bois-dark); }

.contact-map {
    margin-top: var(--sp-xs);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.contact-map iframe { display: block; }

/* Formulaire */
.contact-form-wrap {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: var(--sp-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(90,125,82,0.08);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-md);
}

/* Honeypot */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-label {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-sapin);
}

.required { color: var(--color-bois-dark); margin-left: 2px; }
.optional  { font-weight: 300; font-size: var(--fs-xs); text-transform: none; letter-spacing: 0; color: var(--color-text-muted); }

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid rgba(90,125,82,0.25);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--fs-base);
    color: var(--color-text);
    background: var(--color-creme);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    outline: none;
}

.form-control::placeholder { color: rgba(110,120,110,0.5); }

.form-control:focus {
    border-color: var(--color-foret);
    box-shadow: 0 0 0 3px rgba(36,92,61,0.12);
    background: #fff;
}

.form-control.is-invalid { border-color: #c0392b; }

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.form-error {
    font-size: var(--fs-xs);
    color: #c0392b;
    min-height: 1rem;
}

/* Bouton avec spinner */
.btn-label { transition: opacity var(--transition-base); }
.btn-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Feedback formulaire */
.form-feedback {
    padding: var(--sp-sm) var(--sp-md);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    line-height: 1.5;
    font-weight: 400;
}
.form-feedback.is-success {
    background: rgba(36,92,61,0.1);
    border: 1px solid rgba(36,92,61,0.3);
    color: var(--color-foret);
}
.form-feedback.is-error {
    background: rgba(192,57,43,0.08);
    border: 1px solid rgba(192,57,43,0.25);
    color: #c0392b;
}

/* ──────────────────────────────────────────────────────────────────
   15. FOOTER
   ────────────────────────────────────────────────────────────────── */
.site-footer {
    background: var(--color-anthracite);
    color: var(--color-text-light);
    position: relative;
}

.footer-wave {
    line-height: 0;
    overflow: hidden;
    background: var(--color-creme);
    margin-top: -2px;
}
.footer-wave svg { width: 100%; display: block; }

/* Bande affiliations */
.affiliations-bar {
    background: rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.07);
    padding: var(--sp-lg) 0;
}

.affiliations-label {
    text-align: center;
    font-family: var(--font-heading);
    font-size: var(--fs-xs);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    margin-bottom: var(--sp-md);
}

.affiliations-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-xl);
    flex-wrap: wrap;
}

.affiliation-item {
    opacity: 0.55;
    transition: opacity var(--transition-base), transform var(--transition-base);
    display: flex;
    align-items: center;
}

.affiliation-item:hover { opacity: 1; transform: translateY(-2px); }

.affiliation-item img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

/* Corps footer */
.footer-body {
    padding: var(--sp-2xl) 0 var(--sp-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--sp-xl);
}

.footer-col {}

.footer-logo {
    filter: brightness(0) invert(1);
    opacity: 0.85;
    margin-bottom: var(--sp-sm);
}

.footer-slogan {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-style: italic;
    color: var(--color-bois);
    margin-bottom: 0.35rem;
}

.footer-founding {
    font-size: var(--fs-xs);
    color: rgba(255,255,255,0.35);
    letter-spacing: 0.05em;
    margin-bottom: var(--sp-sm);
}

.footer-social {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.55);
    transition: color var(--transition-base);
    margin-top: var(--sp-xs);
}
.footer-social:hover { color: #fff; }

.footer-heading {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: var(--sp-sm);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-nav a {
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.6);
    transition: color var(--transition-base), padding-left var(--transition-base);
}
.footer-nav a:hover {
    color: var(--color-bois);
    padding-left: 6px;
}

.footer-address {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.55);
    line-height: 1.6;
}

.footer-link {
    color: rgba(255,255,255,0.6);
    transition: color var(--transition-base);
}
.footer-link:hover { color: var(--color-bois); }

/* Barre copyright */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding: var(--sp-md) 0;
}

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

.footer-bottom p {
    font-size: var(--fs-xs);
    color: rgba(255,255,255,0.3);
}

.footer-location { font-style: italic; }

/* ──────────────────────────────────────────────────────────────────
   16. ANIMATIONS AU SCROLL (reveal)
   ────────────────────────────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.65s ease, transform 0.65s ease;
    transition-delay: var(--delay, 0s);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ──────────────────────────────────────────────────────────────────
   17. RESPONSIVE — TABLETTE (max 1024px)
   ────────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .services-grid  { grid-template-columns: repeat(2, 1fr); }
    .machines-grid  { grid-template-columns: repeat(2, 1fr); }
    .about-grid     { grid-template-columns: 1fr; }
    .about-quotes   { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid   { grid-template-columns: repeat(4, 1fr); }
    .contact-grid   { grid-template-columns: 1fr; }
    .footer-grid    { grid-template-columns: 1fr 1fr; }
    .footer-col--brand { grid-column: 1 / -1; }
}

/* ──────────────────────────────────────────────────────────────────
   18. RESPONSIVE — MOBILE (max 768px)
   ────────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {

    /* Header mobile */
    .burger { display: flex; }

    .btn-cta-header { display: none; }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 85vw);
        height: 100vh;
        background: var(--color-sapin-deep);
        padding: calc(var(--header-h) + var(--sp-lg)) var(--sp-lg) var(--sp-lg);
        z-index: 1050;
        transition: right var(--transition-base);
        overflow-y: auto;
        box-shadow: -10px 0 40px rgba(0,0,0,0.4);
    }

    .main-nav.is-open { right: 0; }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .nav-link {
        font-size: var(--fs-lg);
        padding: 0.75rem 0.5rem;
        width: 100%;
        color: rgba(255,255,255,0.75);
    }

    .nav-link::after { bottom: 4px; }

    /* Sections */
    .section { padding-block: var(--sp-2xl); }

    /* Héro */
    .hero-bg { background-attachment: scroll; }

    /* Grilles */
    .services-grid  { grid-template-columns: 1fr; }
    .machines-grid  { grid-template-columns: 1fr; }
    .about-quotes   { grid-template-columns: 1fr; }

    /* Galerie */
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 4px;
    }
    .gallery-item:nth-child(7n+1),
    .gallery-item:nth-child(7n+5) {
        grid-column: span 1;
        aspect-ratio: 1;
    }

    /* Stats */
    .stats-bar { padding: var(--sp-md); }
    .stat-divider { width: 100%; height: 1px; }
    .stat-item { padding: var(--sp-sm); }

    /* Form */
    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: var(--sp-md); }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; }
    .footer-col--brand { grid-column: auto; }
    .footer-bottom .container { justify-content: center; text-align: center; }

    /* Affiliations */
    .affiliations-logos { gap: var(--sp-md); }
    .affiliation-item img { height: 36px; }

    /* Lightbox */
    .lightbox__nav--prev { left: 0.5rem; }
    .lightbox__nav--next { right: 0.5rem; }
}

/* ──────────────────────────────────────────────────────────────────
   19. RESPONSIVE — PETIT MOBILE (max 480px)
   ────────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-cta { flex-direction: column; align-items: center; }
}