/* =========================
   RESET SIMPLE + VARIABLES
   ========================= */

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

html, body {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    scroll-behavior: smooth;
    color: #222;
    background-color: #fafafa;
}

:root {
    --primary: #2d7a4d;
    --primary-dark: #225b38;
    --secondary: #f2b705;
    --bg-light: #ffffff;
    --bg-alt: #f5f5f5;
    --text-main: #222222;
    --text-muted: #666666;
    --radius-lg: 18px;
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.08);
    --max-width: 1100px;
}

/* =========================
   STRUCTURE GLOBALE
   ========================= */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 4.5rem 0;
    position: relative;
}

.light-section {
    background-color: var(--bg-alt);
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin: 0 0 1rem;
}

.section-intro {
    max-width: 650px;
    margin: 0 auto 2.5rem;
    text-align: center;
    color: var(--text-muted);
    line-height: 1.6;
}

/* =========================
   HEADER / NAVIGATION
   ========================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 1.5rem;
    background: linear-gradient(to bottom, rgba(0,0,0,0.76), transparent);
    color: #fff;
    transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    color: #222;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
    padding: 0.4rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 12px;
}

.logo span {
    font-size: 1.05rem;
    color: #fff;
}

.site-header.scrolled .logo span {
    color: #222;
}

.main-nav {
    display: flex;
    gap: 1.3rem;
    align-items: center;
}

.main-nav a {
    font-size: 0.95rem;
    text-decoration: none;
    color: #f9f9f9;
    position: relative;
    padding-bottom: 0.2rem;
}

.site-header.scrolled .main-nav a {
    color: #333;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0;
    background: var(--secondary);
    transition: width 0.25s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

/* Burger menu (mobile) */

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.burger span {
    width: 22px;
    height: 2px;
    background-color: #fff;
    transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.site-header.scrolled .burger span {
    background-color: #222;
}

.burger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* =========================
   SECTION HERO (VIDEO)
   ========================= */

.home-section {
    position: relative;
    min-height: 100vh;
    display: grid;
    place-items: center;
    color: #fff;
    text-align: left;
    padding-top: 3.5rem; /* laisse passer le header */
    overflow: hidden;
}

/* Conteneur général fond (image/vidéo) */
.hero-media {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

/* Image de fond de secours */
.hero-bg-fallback {
    position: absolute;
    inset: 0;
    background-image: url("1.webp"); /* à adapter si besoin */
    background-size: cover;
    background-position: center;
    filter: brightness(0.7);
    z-index: 0;
}

/* Vidéo */
.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

/* Voile sombre par-dessus la vidéo */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        120deg,
        rgba(0, 0, 0, 0.75),
        rgba(0, 0, 0, 0.4)
    );
    z-index: 2;
}

/* Texte au-dessus de tout */
.hero-content {
    position: relative;
    z-index: 3;
    max-width: 650px;
    padding: 1.5rem;
    animation: fadeUp 0.7s ease-out;
}

.hero-tagline {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #e6e6e6;
    margin-bottom: 0.8rem;
}

.hero-content h1 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin: 0 0 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    margin: 0 0 1.5rem;
    font-size: 1rem;
    color: #f0f0f0;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
}

.hero-info {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-info span {
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    background: rgba(0,0,0,0.4);
}

/* =========================
   BOUTONS
   ========================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.3rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.2s ease;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: rgba(255,255,255,0.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.45);
}

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.15);
}

.full-width {
    width: 100%;
}

/* =========================
   GRILLES & CARTES
   ========================= */

.cards-grid,
.products-grid,
.services-grid,
.infos-grid,
.gallery-grid,
.contact-container {
    display: grid;
    gap: 1.8rem;
}

/* Cartes "engagements" */

.cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 1.6rem 1.5rem;
    box-shadow: var(--shadow-soft);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card h3 {
    margin-top: 0;
    margin-bottom: 0.7rem;
}

.card p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.6;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 26px rgba(0,0,0,0.08);
}

/* Produits */

.products-grid {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.product-card {
    border-radius: var(--radius-lg);
    background-color: #fff;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.product-card h3 {
    margin: 1rem 1.2rem 0.4rem;
}

.product-card p {
    margin: 0 1.2rem 1.2rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Services */

.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.service-item {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.4rem;
    box-shadow: var(--shadow-soft);
}

.service-item h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

/* Galerie */

.gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.gallery-grid img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 14px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery-grid img:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.18);
}

/* Infos pratiques */

.infos-grid {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    align-items: flex-start;
}

.infos-block {
    background: #fff;
    padding: 1.4rem 1.3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.infos-block h3 {
    margin-top: 0;
}

.map-placeholder {
    margin-top: 2rem;
    padding: 1.3rem 1.2rem;
    border-radius: var(--radius-lg);
    border: 1px dashed #cccccc;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* =========================
   CONTACT / RÉSEAUX
   ========================= */

.contact-container {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: flex-start;
}

.contact-text p {
    color: var(--text-muted);
    line-height: 1.6;
}

.social-links {
    list-style: none;
    padding: 0;
    margin: 1.2rem 0 0;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary);
}

.social-links a:hover {
    text-decoration: underline;
}

/* Formulaire */

.contact-form {
    background: #fff;
    padding: 1.6rem 1.4rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.55rem 0.6rem;
    border-radius: 9px;
    border: 1px solid #d0d0d0;
    font: inherit;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(45,122,77,0.15);
}

/* =========================
   FOOTER
   ========================= */

.site-footer {
    background: #111;
    color: #eee;
    padding: 1.6rem 0;
    font-size: 0.85rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    text-align: center;
}

.footer-small {
    color: #b3b3b3;
}

/* =========================
   ANIMATIONS / REVEAL
   ========================= */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 900px) {
    .home-section {
        align-items: flex-end;
        text-align: left;
    }

    .hero-content {
        padding-bottom: 3rem;
    }
}

@media (max-width: 780px) {
    .main-nav {
        position: absolute;
        top: 100%;
        right: 1.5rem;
        left: 1.5rem;
        background-color: rgba(0, 0, 0, 0.94);
        padding: 0.9rem 1rem;
        border-radius: 16px;
        flex-direction: column;
        gap: 0.7rem;
        transform: translateY(-16px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .site-header.scrolled .main-nav {
        background-color: #ffffff;
    }

    .main-nav a {
        color: #ffffff;
    }

    .site-header.scrolled .main-nav a {
        color: #222;
    }

    .main-nav.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .burger {
        display: flex;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .home-section {
        min-height: 90vh;
    }
}

@media (max-width: 500px) {
    .hero-content h1 {
        font-size: 1.7rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
}