:root {
    --main-green: #3a6b35;
    --button-green: #7ead57;
    --white: #ffffff;
    --grey-border: #e0e0e0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif; 
    background-color: #f0f8ed;
    padding-top: 95px; 
    padding-bottom: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
header {
    background-color: var(--white);
    border-bottom: 1px solid var(--grey-border);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 93px;
    padding: 0 15px;
}

header h1 {
    color: var(--main-green);
    font-size: 2.5rem; 
    font-weight: 700;
}
@media (max-width: 400px) {
    header h1 {
        font-size: 1.8rem;
    }
}
.icon-img {
    height: 50px; 
    width: auto;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.icon-img:hover {
    transform: scale(1.05);
}
.header-icons {
    display: flex;
    gap: 15px;
}
.hero-section {
    height: calc(100vh - 95px); 
    min-height: 450px;
    background-image: url('Imagejardin.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px; 
}
.hero-logo {
    width: 100%;
    max-width: 863px; 
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}
.cta-button {
    background-color: var(--white);
    color: #333;
    padding: 14px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, box-shadow;
    display: inline-block;
}
.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}
footer {
    background-color: transparent; 
    border-top: none; 
    position: fixed;
    bottom: 20px; 
    width: 100%; 
    padding: 0px 150px;
    z-index: 1000;
    animation: slideInFromBottom 2.0s ease-out;
}
.footer-nav {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.nav-button {
    color: var(--white);
    text-align: center;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.2rem;
    border-radius: 25px;
    padding: 15px 10px 0 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-height: auto;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    overflow: hidden;
    will-change: transform, box-shadow, background-color;
}
.btn-services { background-color: var(--main-green, #3a6b35); }
.btn-contacts { background-color: var(--button-green, #7ead57); }
.btn-reseaux { background-color: #5f9ea0; }

.nav-button:hover {
    opacity: 0.95;
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.25);
}
.nav-button img {
    height: 40px;
    width: auto;
    margin-top: auto;

    border-bottom-left-radius: 25px;
    border-bottom-right-radius: 25px;
}
@media (max-width: 768px) {

    footer {
        padding: 0 10px; 
        bottom: 10px;
        width: 100%;
    }

    .footer-nav {
        gap: 8px; 
    }

    .nav-button {
        font-size: 0.75rem;
        padding: 10px 5px 0 5px;
        border-radius: 15px;
        gap: 5px;
    }

    .nav-button span {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .nav-button img {
        height: 28px;
        border-bottom-left-radius: 15px;
        border-bottom-right-radius: 15px;
    }
}

@media (max-height: 500px) and (orientation: landscape) {
    
    footer {
        padding: 0 20px;
        bottom: 5px;
    }
    
    /* En mode paysage, ils sont côte à côte, donc l'image ne doit pas être "en bas" */
    .nav-button {
        flex-direction: row;
        padding: 8px 15px; /* On remet du padding normal */
        font-size: 0.85rem;
        align-items: center; /* On recentre verticalement */
    }

    .nav-button img {
        height: 20px;
        margin-top: 0; /* On annule l'effet "pousser en bas" */
        border-radius: 0; /* On annule l'arrondi spécifique */
    }
    
    .footer-nav {
        gap: 15px;
    }
}

/* Animation */
@keyframes slideInFromBottom {
  0% { transform: translateY(100%); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}