:root {
    --green: #5a894d;
    --green-dark: #4c7348;
    --green-logo: #4d8900;
    --green-light: #a6c486;
    --paper: #f8f8f8;
    --white: #ffffff;
    --ink: #111111;
    --heading: "Montserrat", sans-serif;
    --body: "Open Sans", sans-serif;
}
/* Base et accessibilite */
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 1rem/1.7 var(--body);
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
p {
    margin: 0 0 1rem;
}
address {
    font-style: normal;
}
a {
    color: var(--green-dark);
    text-underline-offset: 0.25em;
}
a:hover {
    text-decoration-thickness: 2px;
}
:focus-visible {
    outline: 3px solid var(--green-logo);
    outline-offset: 5px;
}
.skip-link {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 10;
    padding: 0.75rem 1rem;
    background: var(--white);
    transform: translateY(-200%);
}
.skip-link:focus {
    transform: translateY(0);
}
.container {
    width: min(1120px, calc(100% - 2.5rem));
    margin-inline: auto;
}
/* Header sans menu */
.site-header {
    background: var(--white);
}
.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem 2rem;
    padding-block: 1.5rem;
}
.logo {
    width: 168px;
}
.header-contact,
.notice-contact {
    display: grid;
    gap: 0.35rem;
    overflow-wrap: anywhere;
}
.header-contact {
    font-size: 0.875rem;
}
/* Banniere : images claires et legendes contrastees */
.banner {
    display: grid;
    gap: 4px;
    padding: 4px;
    background: var(--green);
}
.banner figure {
    position: relative;
    margin: 0;
    min-width: 0;
    background: var(--paper);
}
.banner img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}
.banner figcaption {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    max-width: calc(100% - 2rem);
    padding: 0.35rem 1rem;
    background: var(--green-dark);
    color: var(--white);
    font: 600 1.125rem/1.5 var(--heading);
    overflow-wrap: anywhere;
}
/* Message et image, sans cartes */
.notice {
    display: grid;
    gap: 2rem;
    padding-block: 3rem;
}
.notice > div {
    min-width: 0;
}
h1,
h2 {
    font-family: var(--heading);
    line-height: 1.25;
    overflow-wrap: anywhere;
}
h1 {
    margin: 0 0 0.5rem;
    color: var(--green-dark);
    font-size: 1.125rem;
}
h2 {
    margin: 2rem 0 1rem;
    font-size: 2rem;
    font-weight: 600;
}
.subtitle {
    margin: 0;
    font-size: 0.9375rem;
}
.project {
    margin-top: 1.5rem;
    font-weight: 600;
}
.notice-contact {
    margin-top: 1.5rem;
    padding-left: 1rem;
    border-left: 4px solid var(--green);
}
.notice-contact a {
    width: fit-content;
    max-width: 100%;
    padding-block: 0.5rem;
    font-weight: 600;
}
.about-image {
    width: 100%;
    align-self: start;
    border-bottom: 6px solid var(--green-light);
}
/* Realisations : mosaique responsive avec acces aux photos originales */
.projects {
    padding-block: 3rem;
    background-color: var(--green-dark);
    background-image:
        linear-gradient(135deg,
            color-mix(in srgb, var(--green-dark) 90%, transparent),
            color-mix(in srgb, var(--green) 80%, transparent),
            color-mix(in srgb, var(--green-dark) 80%, transparent)),
        url("media/portfolio-bg.jpg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: scroll;
    color: var(--white);
}
.projects h2 {
    margin: 0 0 2rem;
    font-size: 1.5rem;
    text-align: center;
}
.projects-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.projects-grid a {
    display: block;
    aspect-ratio: 3 / 2;
    background: var(--paper);
}
.projects-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/* Mentions legales */
.site-footer {
    padding-block: 2rem 1.5rem;
    background: var(--green-dark);
    color: var(--white);
    font-size: 0.875rem;
}
.site-footer p {
    margin: 0;
}
.footer-inner {
    display: grid;
    gap: 2rem;
}
.footer-inner > div {
    min-width: 0;
    overflow-wrap: anywhere;
}
.footer-logo {
    width: 184px;
    padding: 8px;
    margin-bottom: 1rem;
    background: var(--white);
}
.footer-title {
    margin: 0 0 0.75rem;
    font-size: 1rem;
}
.footer-contact {
    display: grid;
    gap: 0.35rem;
}
.footer-contact a {
    width: fit-content;
    max-width: 100%;
    padding-block: 0.5rem;
    color: var(--white);
}
.site-footer :focus-visible {
    outline-color: var(--white);
}
.site-footer .footer-copyright {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--green-light);
}
.footer-copyright small {
    font-size: 0.8125rem;
}
@media (min-width: 640px) {
    .projects-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .banner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .banner img {
        aspect-ratio: 16 / 10;
    }
    .header-contact {
        text-align: right;
    }
    .footer-inner {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: 3rem;
    }
}
@media (min-width: 960px) {
    .projects-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .notice {
        grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
        gap: 3.5rem;
        padding-block: 3.5rem;
    }
    .about-image {
        margin-top: 0.25rem;
    }
    .banner img {
        height: 375px;
        aspect-ratio: auto;
    }
    h2 {
        font-size: 2.25rem;
    }
}
@media (min-width: 960px) and (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
    .projects {
        background-attachment: fixed;
    }
}