:root {
--creme: #F9F7F2;
--carte: #FFFFFF;
--anthracite: #2E2E2E;
--anthracite-doux: #625F5A;
--petrole: #0F4C5C;
--petrole-fonce: #0B3A46;
--petrole-clair: rgba(15, 76, 92, 0.08);
--ligne: rgba(46, 46, 46, 0.10);
--font-titre: 'Playfair Display', Georgia, serif;
--font-corps: 'Inter', -apple-system, sans-serif;
--radius-s: 6px;
--radius-m: 12px;
--ombre: 0 4px 24px rgba(46, 46, 46, 0.06);
--ombre-hover: 0 10px 34px rgba(46, 46, 46, 0.10);
--container: 1140px;
--transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
} *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
html { scroll-behavior: auto; }
*, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
body {
background: var(--creme);
color: var(--anthracite);
font-family: var(--font-corps);
font-weight: 400;
line-height: 1.7;
-webkit-font-smoothing: antialiased;
overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; font-size: 16px; }
h1, h2, h3, h4 {
font-family: var(--font-titre);
font-weight: 600;
color: var(--anthracite);
line-height: 1.25;
letter-spacing: -0.01em;
}
h1 { font-size: clamp(34px, 5vw, 52px); }
h2 { font-size: clamp(26px, 3.4vw, 36px); }
h3 { font-size: 21px; }
p { color: var(--anthracite-doux); }
:focus-visible {
outline: 2px solid var(--petrole);
outline-offset: 3px;
}
.container {
width: 100%;
max-width: var(--container);
margin: 0 auto;
padding: 0 28px;
}
.eyebrow {
font-family: var(--font-corps);
font-size: 13px;
font-weight: 600;
letter-spacing: 0.14em;
text-transform: uppercase;
color: var(--petrole);
display: inline-block;
margin-bottom: 14px;
} .motif-yeux {
display: flex;
justify-content: center;
align-items: center;
gap: 14px;
margin: 0 auto;
width: fit-content;
}
.motif-yeux span {
width: 9px;
height: 9px;
border-radius: 50%;
border: 1.5px solid var(--petrole);
opacity: 0.55;
}
.motif-yeux span::after { content: ""; }
.diviseur-hibou {
display: flex;
align-items: center;
gap: 18px;
margin: 90px 0;
}
.diviseur-hibou::before,
.diviseur-hibou::after {
content: "";
flex: 1;
height: 1px;
background: var(--ligne);
} .site-header {
position: sticky;
top: 0;
z-index: 100;
background: rgba(249, 247, 242, 0.92);
backdrop-filter: blur(8px);
border-bottom: 1px solid var(--ligne);
}
.nav {
display: flex;
align-items: center;
justify-content: space-between;
padding: 20px 28px;
max-width: var(--container);
margin: 0 auto;
}
.logo {
display: flex;
align-items: center;
gap: 10px;
font-family: var(--font-titre);
font-size: 19px;
font-weight: 700;
color: var(--anthracite);
}
.logo svg { flex-shrink: 0; transition: transform var(--transition); }
.logo:hover svg { transform: translateY(-1px); }
.nav-liens {
display: flex;
align-items: center;
gap: 34px;
}
.nav-liens a {
font-size: 15px;
font-weight: 500;
color: var(--anthracite-doux);
position: relative;
padding: 6px 0;
transition: color var(--transition);
}
.nav-liens a:hover,
.nav-liens a.actif { color: var(--anthracite); }
.nav-liens a.actif::after {
content: "";
position: absolute;
left: 0; bottom: 0;
width: 100%; height: 1.5px;
background: var(--petrole);
}
.nav-burger {
display: none;
flex-direction: column;
gap: 5px;
width: 26px;
}
.nav-burger span {
height: 2px;
background: var(--anthracite);
border-radius: 2px;
transition: transform var(--transition), opacity var(--transition);
}
.nav-burger.ouvert span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.ouvert span:nth-child(2) { opacity: 0; }
.nav-burger.ouvert span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); } .btn {
display: inline-flex;
align-items: center;
gap: 8px;
font-family: var(--font-corps);
font-weight: 500;
font-size: 15px;
padding: 15px 32px;
border-radius: var(--radius-s);
transition: all var(--transition);
white-space: nowrap;
}
.btn-primaire {
background: var(--petrole);
color: #fff;
box-shadow: 0 4px 16px rgba(15, 76, 92, 0.25);
}
.btn-primaire:hover {
background: var(--petrole-fonce);
transform: translateY(-2px);
box-shadow: 0 8px 22px rgba(15, 76, 92, 0.32);
}
.btn-secondaire {
background: transparent;
color: var(--petrole);
border: 1.5px solid var(--petrole);
}
.btn-secondaire:hover {
background: var(--petrole);
color: #fff;
}
.btn-texte {
color: var(--petrole);
font-weight: 600;
font-size: 14px;
border-bottom: 1px solid transparent;
}
.btn-texte:hover { border-color: var(--petrole); } .hero {
padding: 110px 0 80px;
text-align: center;
}
.hero-citation {
font-family: var(--font-titre);
font-style: italic;
font-size: clamp(28px, 4vw, 44px);
max-width: 780px;
margin: 0 auto 24px;
color: var(--anthracite);
}
.hero-signature {
font-size: 14px;
color: var(--anthracite-doux);
margin-bottom: 46px;
letter-spacing: 0.03em;
}
.hero-proposition {
font-size: 19px;
color: var(--anthracite-doux);
max-width: 560px;
margin: 0 auto 40px;
}
.hero-cta { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; } .chiffres {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 40px;
padding: 56px 0;
border-top: 1px solid var(--ligne);
border-bottom: 1px solid var(--ligne);
}
.chiffre { text-align: center; }
.chiffre-valeur {
font-family: var(--font-titre);
font-size: 38px;
font-weight: 700;
color: var(--petrole);
display: block;
margin-bottom: 6px;
}
.chiffre-label {
font-size: 13px;
color: var(--anthracite-doux);
text-transform: uppercase;
letter-spacing: 0.08em;
} .section { padding: 100px 0; }
.section-tete {
text-align: center;
max-width: 640px;
margin: 0 auto 60px;
}
.section-creme { background: var(--creme); }
.section-alt { background: #F2EFE6; } .grille-3 {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 28px;
}
.grille-2 {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 28px;
}
.carte {
background: var(--carte);
border: 1px solid var(--ligne);
border-radius: var(--radius-m);
padding: 40px 34px;
box-shadow: var(--ombre);
transition: transform var(--transition), box-shadow var(--transition);
}
.carte:hover { transform: translateY(-5px); box-shadow: var(--ombre-hover); }
.carte-citation {
text-align: center;
display: flex;
flex-direction: column;
justify-content: space-between;
}
.carte-citation blockquote {
font-family: var(--font-titre);
font-style: italic;
font-size: 19px;
color: var(--anthracite);
margin-bottom: 22px;
}
.carte-citation cite {
font-style: normal;
font-size: 13px;
color: var(--anthracite-doux);
display: block;
margin-bottom: 20px;
}
.carte-service .num {
font-family: var(--font-titre);
font-size: 14px;
color: var(--petrole);
border: 1px solid var(--petrole-clair);
background: var(--petrole-clair);
width: 34px; height: 34px;
border-radius: 50%;
display: flex; align-items: center; justify-content: center;
margin-bottom: 22px;
}
.carte-service h3 { margin-bottom: 12px; }
.carte-service p { font-size: 15px; margin-bottom: 20px; } .etude {
display: grid;
grid-template-columns: 0.9fr 1.1fr;
gap: 0;
border: 1px solid var(--ligne);
border-radius: var(--radius-m);
overflow: hidden;
background: var(--carte);
box-shadow: var(--ombre);
margin-bottom: 32px;
}
.etude-intro {
background: var(--petrole);
color: #fff;
padding: 48px 40px;
display: flex;
flex-direction: column;
justify-content: center;
}
.etude-intro .eyebrow { color: #CFE3E7; }
.etude-intro h3 { color: #fff; font-size: 26px; margin-bottom: 14px; }
.etude-intro p { color: rgba(255,255,255,0.82); font-size: 15px; }
.etude-resultat {
font-family: var(--font-titre);
font-size: 44px;
font-weight: 700;
margin-top: 24px;
}
.etude-detail { padding: 48px 40px; }
.etude-detail dl { display: grid; gap: 22px; }
.etude-detail dt {
font-size: 12px;
font-weight: 600;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--petrole);
margin-bottom: 6px;
}
.etude-detail dd { font-size: 15px; color: var(--anthracite-doux); } .form-contact { max-width: 560px; margin: 0 auto; }
.champ { margin-bottom: 22px; }
.champ label {
display: block;
font-size: 13px;
font-weight: 600;
letter-spacing: 0.04em;
text-transform: uppercase;
color: var(--anthracite);
margin-bottom: 8px;
}
.champ input,
.champ textarea {
width: 100%;
padding: 14px 16px;
background: #fff;
border: 1px solid var(--ligne);
border-radius: var(--radius-s);
color: var(--anthracite);
transition: border-color var(--transition);
}
.champ input:focus,
.champ textarea:focus {
border-color: var(--petrole);
outline: none;
}
.champ textarea { resize: vertical; min-height: 140px; }
.form-message {
margin-top: 18px;
font-size: 14px;
padding: 14px 18px;
border-radius: var(--radius-s);
display: none;
}
.form-message.ok { display: block; background: var(--petrole-clair); color: var(--petrole-fonce); }
.form-message.erreur { display: block; background: #F7E5E1; color: #8C3B2A; }
.contact-infos {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 28px;
margin-top: 70px;
text-align: center;
}
.contact-infos .carte { padding: 30px 20px; }
.contact-infos h4 { font-size: 15px; margin-bottom: 8px; }
.contact-infos p { font-size: 14px; } .propos-grille {
display: grid;
grid-template-columns: 0.85fr 1.15fr;
gap: 64px;
align-items: center;
}
.propos-portrait {
aspect-ratio: 4/5;
background: linear-gradient(150deg, #0F4C5C, #1C6579);
border-radius: var(--radius-m);
display: flex;
align-items: center;
justify-content: center;
}
.propos-valeurs {
display: grid;
gap: 22px;
margin-top: 30px;
}
.propos-valeur { display: flex; gap: 16px; align-items: flex-start; }
.propos-valeur .puce {
width: 8px; height: 8px; border-radius: 50%;
background: var(--petrole);
margin-top: 9px; flex-shrink: 0;
} .expertise-ligne {
display: grid;
grid-template-columns: 200px 1fr;
gap: 40px;
padding: 44px 0;
border-top: 1px solid var(--ligne);
}
.expertise-ligne:last-child { border-bottom: 1px solid var(--ligne); }
.expertise-titre { font-size: 22px; }
.expertise-liste { display: grid; gap: 10px; margin-top: 18px; }
.expertise-liste li {
font-size: 15px;
color: var(--anthracite-doux);
padding-left: 20px;
position: relative;
}
.expertise-liste li::before {
content: "";
position: absolute; left: 0; top: 9px;
width: 6px; height: 6px; border-radius: 50%;
background: var(--petrole);
} .cta-final {
text-align: center;
background: var(--petrole);
color: #fff;
border-radius: var(--radius-m);
padding: 80px 40px;
}
.cta-final h2 { color: #fff; margin-bottom: 18px; }
.cta-final p { color: rgba(255,255,255,0.8); max-width: 480px; margin: 0 auto 34px; }
.cta-final .btn-primaire { background: #fff; color: var(--petrole); box-shadow: none; }
.cta-final .btn-primaire:hover { background: #EFEBE0; transform: translateY(-2px); } .site-footer {
background: #F2EFE6;
border-top: 1px solid var(--ligne);
padding: 70px 0 28px;
}
.footer-grille {
display: grid;
grid-template-columns: 1.4fr 1fr 1fr 1fr;
gap: 40px;
margin-bottom: 50px;
}
.footer-logo {
font-family: var(--font-titre);
font-size: 19px;
font-weight: 700;
display: flex; align-items: center; gap: 10px;
margin-bottom: 14px;
}
.footer-baseline { font-size: 14px; max-width: 260px; }
.footer-col h4 {
font-size: 13px;
text-transform: uppercase;
letter-spacing: 0.06em;
margin-bottom: 18px;
color: var(--anthracite);
}
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { font-size: 14px; color: var(--anthracite-doux); transition: color var(--transition); }
.footer-col a:hover { color: var(--petrole); }
.footer-bas {
display: flex;
justify-content: space-between;
align-items: center;
padding-top: 26px;
border-top: 1px solid var(--ligne);
font-size: 13px;
color: var(--anthracite-doux);
flex-wrap: wrap;
gap: 14px;
}
.footer-social { display: flex; gap: 16px; }
.footer-social a svg { transition: transform var(--transition); }
.footer-social a:hover svg { transform: translateY(-2px); } .reveal {
opacity: 0;
transform: translateY(24px);
transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); } .progress-lecture {
position: fixed;
top: 0; left: 0;
height: 3px;
width: 0%;
background: var(--petrole);
z-index: 200;
transition: width 0.1s linear;
}
.tag {
display: inline-block;
font-size: 12px;
font-weight: 600;
letter-spacing: 0.05em;
text-transform: uppercase;
color: var(--petrole);
background: var(--petrole-clair);
padding: 6px 14px;
border-radius: 30px;
}
.article-vedette {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 0;
background: var(--carte);
border: 1px solid var(--ligne);
border-radius: var(--radius-m);
overflow: hidden;
box-shadow: var(--ombre);
margin-bottom: 60px;
}
.article-vedette-visuel {
background: linear-gradient(150deg, #0F4C5C, #1C6579);
display: flex;
align-items: center;
justify-content: center;
min-height: 260px;
}
.article-vedette-contenu {
padding: 48px 44px;
display: flex;
flex-direction: column;
justify-content: center;
}
.article-vedette-contenu .tag { margin-bottom: 18px; width: fit-content; }
.article-vedette-contenu h2 { margin-bottom: 14px; }
.article-vedette-contenu p { margin-bottom: 22px; }
.article-meta {
font-size: 13px;
color: var(--anthracite-doux);
display: flex;
gap: 10px;
align-items: center;
margin-top: 4px;
}
.article-meta .point { width: 3px; height: 3px; border-radius: 50%; background: var(--anthracite-doux); }
.grille-articles {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 28px;
}
.carte-article {
display: flex;
flex-direction: column;
}
.carte-article-visuel {
height: 150px;
border-radius: var(--radius-s);
margin: -40px -34px 24px;
background: linear-gradient(135deg, #103F4C, #1C6579);
}
.carte-article .tag { margin-bottom: 16px; width: fit-content; }
.carte-article h3 { margin-bottom: 10px; font-size: 19px; }
.carte-article p { font-size: 14.5px; margin-bottom: 20px; flex-grow: 1; } .article-entete {
max-width: 740px;
margin: 0 auto;
text-align: center;
padding: 60px 0 20px;
}
.article-entete .tag { margin-bottom: 20px; }
.article-entete h1 { margin-bottom: 20px; }
.article-visuel-large {
max-width: 900px;
margin: 20px auto 0;
height: 320px;
border-radius: var(--radius-m);
background: linear-gradient(150deg, #0F4C5C, #1C6579);
}
.article-corps {
max-width: 680px;
margin: 0 auto;
padding: 60px 0;
}
.article-corps p {
color: var(--anthracite);
font-size: 17px;
margin-bottom: 24px;
}
.article-corps h2 {
margin: 46px 0 20px;
font-size: 27px;
}
.article-corps h3 {
margin: 34px 0 14px;
font-size: 19px;
font-family: var(--font-corps);
font-weight: 600;
}
.article-corps ul { margin: 0 0 24px 0; display: grid; gap: 10px; }
.article-corps ul li {
padding-left: 22px;
position: relative;
color: var(--anthracite);
font-size: 16px;
}
.article-corps ul li::before {
content: "";
position: absolute; left: 0; top: 9px;
width: 6px; height: 6px; border-radius: 50%;
background: var(--petrole);
}
.article-corps blockquote {
font-family: var(--font-titre);
font-style: italic;
font-size: 23px;
color: var(--anthracite);
border-left: 2px solid var(--petrole);
padding: 4px 0 4px 28px;
margin: 40px 0;
}
.article-auteur {
max-width: 680px;
margin: 10px auto 60px;
display: flex;
gap: 20px;
align-items: center;
padding: 30px;
background: var(--carte);
border: 1px solid var(--ligne);
border-radius: var(--radius-m);
}
.article-auteur-avatar {
width: 56px; height: 56px;
border-radius: 50%;
background: linear-gradient(150deg, #0F4C5C, #1C6579);
flex-shrink: 0;
}
.article-auteur h4 { font-size: 15px; margin-bottom: 4px; }
.article-auteur p { font-size: 14px; } @media (max-width: 960px) {
.grille-3, .grille-2, .propos-grille, .footer-grille { grid-template-columns: 1fr; }
.etude { grid-template-columns: 1fr; }
.chiffres { grid-template-columns: 1fr; gap: 30px; }
.contact-infos { grid-template-columns: 1fr; }
.expertise-ligne { grid-template-columns: 1fr; gap: 14px; }
.propos-portrait { max-width: 340px; margin: 0 auto; }
.grille-articles { grid-template-columns: 1fr; }
.article-vedette { grid-template-columns: 1fr; }
.article-vedette-visuel { min-height: 200px; }
}
@media (max-width: 600px) {
.article-corps blockquote { font-size: 20px; padding-left: 20px; }
.article-auteur { flex-direction: column; text-align: center; }
}
@media (max-width: 760px) {
.nav-liens {
position: fixed;
top: 73px; left: 0; right: 0;
background: var(--creme);
flex-direction: column;
align-items: flex-start;
gap: 4px;
padding: 10px 28px 26px;
border-bottom: 1px solid var(--ligne);
transform: translateY(-130%);
opacity: 0;
transition: transform var(--transition), opacity var(--transition);
pointer-events: none;
}
.nav-liens.ouvert {
transform: translateY(0);
opacity: 1;
pointer-events: auto;
}
.nav-liens a { padding: 12px 0; width: 100%; }
.nav-burger { display: flex; }
.section { padding: 66px 0; }
.hero { padding: 70px 0 50px; }
.cta-final { padding: 56px 24px; }
}