:root {
    --fond: #09090b;
    --fond-2: #0f0f11;
    --carte: #131315;
    --texte: #e2e2e5;
    --texte-att: #636370;
    --accent: #c4956b;
    --bordure: #1c1c1f;
    --nav-h: 60px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-color: var(--bordure) var(--fond);
    scrollbar-width: thin;
}

body {
    background-color: var(--fond);
    color: var(--texte);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.nav {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem;
    transition: background-color .3s, border-color .3s;
    border-bottom: 1px solid transparent;
}

.nav.defileee {
    background-color: rgba(9,9,11,.94);
    border-bottom-color: var(--bordure);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav__marque {
    font-size: .8125rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    white-space: nowrap;
}

.nav__liens {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav__lien {
    font-size: .75rem;
    font-weight: 400;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--texte-att);
    transition: color .2s;
    position: relative;
}

.nav__lien::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s;
}

.nav__lien:hover,
.nav__lien.actif { color: var(--texte); }

.nav__lien:hover::after,
.nav__lien.actif::after { transform: scaleX(1); }

.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 6px;
}

.nav__burger span {
    display: block;
    width: 22px;
    height: 1px;
    background-color: var(--texte);
    transition: transform .3s, opacity .3s;
}

.nav__burger.ouvert span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger.ouvert span:nth-child(2) { opacity: 0; }
.nav__burger.ouvert span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav__mobile {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background-color: rgba(9,9,11,.97);
    border-bottom: 1px solid var(--bordure);
    padding: 2rem 2.5rem;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 99;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav__mobile.ouvert { display: flex; }
.nav__mobile .nav__lien { font-size: .9375rem; }

.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2.5rem;
    padding-bottom: 5rem;
    overflow: hidden;
}

#stylet-conteneur,
#stylet-conteneur canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero__contenu { position: relative; z-index: 1; }

.hero__meta {
    font-size: .7rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: .875rem;
}

.hero__sous-titre {
    font-size: clamp(.875rem, 1.8vw, 1.0625rem);
    color: var(--texte-att);
    margin-bottom: 1.75rem;
    font-weight: 300;
    letter-spacing: .04em;
}

.hero__titre {
    font-size: clamp(3.25rem, 9.5vw, 9.5rem);
    font-weight: 800;
    line-height: .9;
    letter-spacing: -.035em;
    text-transform: uppercase;
}

.hero__titre em {
    font-style: normal;
    color: var(--accent);
}


.hero__cta {
    margin-top: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1.75rem;
    border: 1px solid var(--accent);
    color: var(--texte);
    font-size: .75rem;
    font-weight: 500;
    letter-spacing: .12em;
    text-transform: uppercase;
    transition: background-color .2s, color .2s;
    cursor: pointer;
    background: none;
    font-family: inherit;
    -webkit-appearance: none;
}

.btn:hover {
    background-color: var(--accent);
    color: var(--fond);
}

.btn--discret {
    border-color: var(--bordure);
    color: var(--texte-att);
}

.btn--discret:hover {
    background-color: var(--bordure);
    color: var(--texte);
}

.hero__indicateur {
    position: absolute;
    bottom: 2.5rem;
    right: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .5rem;
    font-size: .65rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--texte-att);
    animation: rebond 2.4s ease-in-out infinite;
}

@keyframes rebond {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(7px); }
}

.section {
    padding: 7rem 2.5rem;
}

.section__en-tete {
    margin-bottom: 4.5rem;
}

.section__etiquette {
    display: inline-block;
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section__titre {
    font-size: clamp(2.25rem, 5.5vw, 5rem);
    font-weight: 800;
    line-height: .95;
    letter-spacing: -.025em;
}

.conteneur {
    max-width: 1180px;
    margin: 0 auto;
}

.a-propos {
    background-color: var(--fond-2);
    border-top: 1px solid var(--bordure);
    border-bottom: 1px solid var(--bordure);
}

.a-propos__grille {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.a-propos__texte p {
    color: var(--texte-att);
    line-height: 1.85;
    margin-bottom: 1.25rem;
    font-size: .9375rem;
}

.a-propos__texte p:last-child { margin-bottom: 0; }

.a-propos__competences {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.competence__titre {
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: .875rem;
}

.competence__liste {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.competence__tag {
    padding: .35rem .9rem;
    border: 1px solid var(--bordure);
    font-size: .8rem;
    color: var(--texte-att);
    transition: border-color .2s, color .2s;
}

.competence__tag:hover {
    border-color: var(--accent);
    color: var(--texte);
}

.realisations__grille {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.carte {
    background-color: var(--carte);
    border: 1px solid var(--bordure);
    transition: border-color .3s, transform .3s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.carte:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.carte__visuel {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.carte__visuel--1 {
    background: linear-gradient(145deg, #0f1420 0%, #1a2035 50%, #111c30 100%);
}

.carte__visuel--2 {
    background: linear-gradient(145deg, #131410 0%, #22200e 50%, #1a1a0c 100%);
}

.carte__visuel--2 .carte__image {
    object-position: top center;
}

.carte__visuel--3 {
    background: linear-gradient(145deg, #101418 0%, #182030 50%, #121820 100%);
}

.carte__visuel--4 {
    background: linear-gradient(145deg, #141010 0%, #2a1515 50%, #201010 100%);
}

.carte__visuel--5 {
    background: linear-gradient(145deg, #101410 0%, #152515 50%, #0f1c0f 100%);
}

.carte__visuel--6 {
    background: linear-gradient(145deg, #141210 0%, #251e10 50%, #1c1508 100%);
}

.carte__icone {
    opacity: .2;
}

.carte__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}

.carte:hover .carte__image {
    transform: scale(1.04);
}

.carte__corps {
    padding: 1.5rem;
}

.carte__categorie {
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: .5rem;
}

.carte__titre {
    font-size: 1.075rem;
    font-weight: 600;
    color: var(--texte);
    margin-bottom: .5rem;
    line-height: 1.3;
}

.carte__description {
    font-size: .855rem;
    color: var(--texte-att);
    line-height: 1.65;
}

.carte__pied {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .875rem 1.5rem;
    border-top: 1px solid var(--bordure);
    margin-top: auto;
}

.carte__outils,
.carte__annee {
    font-size: .7rem;
    color: var(--texte-att);
    letter-spacing: .04em;
}

.apparait {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .65s ease, transform .65s ease;
}

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

.contact-section {
    background-color: var(--fond-2);
    border-top: 1px solid var(--bordure);
}

.contact__grille {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 5rem;
    align-items: start;
}

.contact__info p {
    color: var(--texte-att);
    font-size: .9375rem;
    line-height: 1.85;
    margin-bottom: 2.5rem;
}

.contact__coordonnees {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact__ligne {
    display: flex;
    align-items: center;
    gap: .875rem;
    font-size: .855rem;
    color: var(--texte-att);
}

.contact__lien {
    color: var(--texte-att);
    transition: color .2s;
}

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

.contact__ligne img {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.formulaire {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.formulaire__rangee {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.champ {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.champ label {
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--texte-att);
}

.champ input,
.champ textarea {
    background-color: var(--fond);
    border: 1px solid var(--bordure);
    color: var(--texte);
    padding: .8rem 1rem;
    font-family: inherit;
    font-size: .875rem;
    transition: border-color .2s;
    width: 100%;
    border-radius: 0;
    -webkit-appearance: none;
}

.champ input:focus,
.champ textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.champ textarea {
    resize: vertical;
    min-height: 145px;
}

.champ input::placeholder,
.champ textarea::placeholder {
    color: var(--texte-att);
    opacity: .45;
}

.formulaire__retour {
    padding: .875rem 1rem;
    border: 1px solid;
    font-size: .855rem;
    display: none;
}

.formulaire__retour--succes {
    border-color: #3a6b4a;
    background-color: rgba(58,107,74,.08);
    color: #7ab893;
}

.formulaire__retour--erreur {
    border-color: #6b3a3a;
    background-color: rgba(107,58,58,.08);
    color: #b87a7a;
}

.pied {
    padding: 2rem 2.5rem;
    border-top: 1px solid var(--bordure);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.pied__copyright {
    font-size: .775rem;
    color: var(--texte-att);
}

.pied__liens {
    display: flex;
    gap: 1.75rem;
}

.pied__lien {
    font-size: .7rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--texte-att);
    transition: color .2s;
}

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

@media (max-width: 900px) {
    .nav__liens { display: none; }
    .nav__burger { display: flex; }

    .a-propos__grille {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact__grille {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 640px) {
    .nav { padding: 0 1.25rem; }

    .hero {
        padding: 1.5rem;
        padding-bottom: 4rem;
    }

    .section { padding: 4.5rem 1.25rem; }

    .realisations__grille { grid-template-columns: 1fr; }

    .formulaire__rangee { grid-template-columns: 1fr; }

    .pied {
        flex-direction: column;
        text-align: center;
        gap: .875rem;
    }

    .hero__indicateur { display: none; }
}