header {
    height: 64px;
    padding: 0 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--bord);
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 100;
    flex-wrap: nowrap;
    gap: 32px;
}

.logo {
    font-family: 'Libre Baskerville', serif;
    font-size: 20px;
    color: var(--noir);
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 0.3px;
}

nav {
    display: flex;
    gap: 24px;
    flex-shrink: 0;
}

nav a {
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--texte-ter);
    font-weight: 400;
    transition: color 0.2s;
    white-space: nowrap;
}

nav a:hover, nav a.actif { color: var(--noir); }

.nav-cta {
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--vert);
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
    flex-shrink: 0;
}

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;1,400&family=Inter:wght@300;400;500&display=swap');

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

:root {
    --vert: #3a6b4a;
    --vert-clair: #7aaa82;
    --noir: #111;
    --texte: #333;
    --texte-sec: #555;
    --texte-ter: #777;
    --bord: #e8e8e8;
    --beige: #f7f6f3;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    background: #fff;
    color: var(--texte);
    font-size: 16px;
    line-height: 1.8;
}

h1, h2, h3 {
    font-family: 'Libre Baskerville', serif;
    font-weight: 400;
    color: var(--noir);
    line-height: 1.2;
}

em { font-style: italic; color: var(--vert); }
a { text-decoration: none; color: inherit; }













.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 520px;
}

.hero-left {
    padding: 80px 56px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-tag {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--vert);
    margin-bottom: 28px;
    font-weight: 400;
}

.hero h1 {
    font-size: 52px;
    margin-bottom: 24px;
    color: var(--noir);
}

.hero-texte {
    font-size: 16px;
    color: var(--texte-sec);
    line-height: 1.9;
    margin-bottom: 44px;
    max-width: 400px;
}

.hero-btns { display: flex; gap: 20px; align-items: center; }

.hero-img {
    background: #ddd8ce;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn {
    background: var(--noir);
    color: #fff;
    padding: 14px 32px;
    font-size: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    display: inline-block;
    transition: background 0.2s;
}

.btn:hover { background: #333; }

.btn-ghost {
    font-size: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--texte-sec);
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    text-decoration: underline;
    text-underline-offset: 4px;
    display: inline-block;
}

.chiffres {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--bord);
    border-bottom: 1px solid var(--bord);
}

.chiffre {
    padding: 48px 0;
    text-align: center;
    border-right: 1px solid var(--bord);
}

.chiffre:last-child { border-right: none; }

.chiffre-n {
    font-family: 'Libre Baskerville', serif;
    font-size: 42px;
    font-style: italic;
    color: var(--vert);
    display: block;
}

.chiffre-l {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--texte-ter);
    margin-top: 8px;
    display: block;
}

.bloc { padding: 80px 48px; }
.bloc-beige { background: var(--beige); }
.bloc-noir { background: var(--noir); }

.bloc-head { margin-bottom: 56px; }

.bloc-h {
    font-size: 36px;
    color: var(--noir);
    margin-bottom: 10px;
}

.bloc-sous {
    font-size: 15px;
    color: var(--texte-sec);
    margin-top: 8px;
}

.g4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--bord);
}

.gs {
    padding: 36px 28px;
    border-right: 1px solid var(--bord);
}

.gs:last-child { border-right: none; }

.gs-n {
    font-size: 12px;
    color: #999;
    margin-bottom: 14px;
    font-family: 'Libre Baskerville', serif;
    font-style: italic;
    display: block;
}

.gs-h {
    font-size: 15px;
    color: var(--noir);
    margin-bottom: 10px;
    font-weight: 500;
}

.gs-p {
    font-size: 14px;
    color: var(--texte-sec);
    line-height: 1.8;
}

.g3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: #2a2a2a;
}

.gp { background: var(--noir); padding: 36px 28px; }

.gp-n {
    font-size: 12px;
    color: #666;
    margin-bottom: 14px;
    font-family: 'Libre Baskerville', serif;
    font-style: italic;
    display: block;
}

.gp-h {
    font-size: 15px;
    color: #fff;
    margin-bottom: 10px;
    font-weight: 500;
}

.gp-p {
    font-size: 14px;
    color: #888;
    line-height: 1.8;
}

.bloc-noir .bloc-h { color: #fff; }
.bloc-noir .bloc-sous { color: #666; }

.citation {
    padding: 96px 48px;
    text-align: center;
    background: var(--beige);
    border-top: 1px solid var(--bord);
    border-bottom: 1px solid var(--bord);
}

.citation blockquote {
    font-family: 'Libre Baskerville', serif;
    font-size: 26px;
    font-style: italic;
    color: var(--noir);
    line-height: 1.6;
    max-width: 680px;
    margin: 0 auto 24px;
}

.citation cite {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--texte-ter);
}

.tarifs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--bord);
    border: 1px solid var(--bord);
    margin-top: 56px;
    align-items: stretch;
}

.tarif { background: #fff; padding: 48px 36px; display: flex; flex-direction: column; justify-content: space-between; }
.tarif.featured { background: var(--vert); }

.tarif-ey {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--texte-ter);
    margin-bottom: 20px;
    display: block;
}

.tarif.featured .tarif-ey { color: var(--vert-clair); }

.tarif-n {
    font-family: 'Libre Baskerville', serif;
    font-size: 24px;
    color: var(--noir);
    margin-bottom: 24px;
}

.tarif.featured .tarif-n { color: #fff; }

.tarif-prix {
    font-family: 'Libre Baskerville', serif;
    font-size: 52px;
    font-style: italic;
    color: var(--noir);
    line-height: 1;
    display: block;
}

.tarif.featured .tarif-prix { color: #fff; }

.tarif-per {
    font-size: 13px;
    color: var(--texte-ter);
    margin-top: 6px;
    margin-bottom: 24px;
    display: block;
}

.tarif.featured .tarif-per { color: var(--vert-clair); }

.tarif-desc {
    font-size: 14px;
    color: var(--texte-sec);
    line-height: 1.8;
    margin-bottom: 32px;
    flex: 1;
}

.tarif.featured .tarif-desc { color: #c8dfc8; }

.tarif-btn {
    width: 100%;
    padding: 13px;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    background: none;
    border: 1px solid var(--bord);
    color: var(--texte-sec);
    transition: all 0.2s;
}

.tarif-btn:hover { border-color: var(--noir); color: var(--noir); }
.tarif.featured .tarif-btn { background: #fff; color: var(--vert); border: none; }

.partenaires-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border: 1px solid var(--bord);
    background: #fff;
    margin-top: 56px;
}

.partenaire {
    padding: 32px 20px;
    border-right: 1px solid var(--bord);
    text-align: center;
}

.partenaire:last-child { border-right: none; }

.partenaire-h {
    font-size: 14px;
    color: var(--noir);
    margin-bottom: 6px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
}

.partenaire-p {
    font-size: 13px;
    color: var(--texte-sec);
    line-height: 1.7;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact h2 {
    font-size: 42px;
    margin-bottom: 16px;
    color: var(--noir);
}

.contact-texte {
    font-size: 15px;
    color: var(--texte-sec);
    line-height: 1.9;
    margin-bottom: 48px;
}

.contact-infos { display: flex; flex-direction: column; gap: 24px; }

.contact-lbl {
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--vert);
    display: block;
    margin-bottom: 4px;
}

.contact-val {
    font-size: 15px;
    color: var(--texte);
    display: block;
}

.champ { margin-bottom: 24px; }

.champ label {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--texte-ter);
    display: block;
    margin-bottom: 10px;
}

.champ input, .champ textarea {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--bord);
    padding: 10px 0;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    color: var(--texte);
    outline: none;
    background: none;
    transition: border-color 0.2s;
}

.champ input:focus, .champ textarea:focus {
    border-bottom-color: var(--noir);
}

.champ textarea { resize: vertical; height: 80px; }

footer {
    padding: 24px 48px;
    border-top: 1px solid var(--bord);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: 'Libre Baskerville', serif;
    font-style: italic;
    font-size: 15px;
    color: var(--texte-ter);
}

.footer-copy {
    font-size: 12px;
    color: var(--texte-ter);
}

@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; }
    .hero-img { min-height: 280px; }
    .g4 { grid-template-columns: 1fr 1fr; }
    .g3 { grid-template-columns: 1fr; }
    .tarifs-grid { grid-template-columns: 1fr; gap: 0; }
    .partenaires-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .chiffres { grid-template-columns: 1fr; }
    header { padding: 0 20px; }
    .bloc { padding: 56px 20px; }
    .hero-left { padding: 56px 20px; }
    .hero h1 { font-size: 36px; }
}
.hero-img {
    background-image: url('https://images.unsplash.com/photo-1522771739844-6a9f6d5f14af?w=1200&q=80');
    background-size: cover;
    background-position: center;
}

/* Animations */
.gs, .gp, .partenaire, .tarif {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gs:hover, .partenaire:hover {
    background: #fafafa;
}

.gp:hover {
    background: #1a1a1a;
}

.tarif:hover {
    transform: translateY(-4px);
}

.btn, .tarif-btn {
    transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.chiffre-n {
    transition: transform 0.3s ease;
}

.chiffre:hover .chiffre-n {
    transform: scale(1.05);
}

[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* Animations renforcées */
.hero-left > * {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
}

.hero-tag { animation-delay: 0.1s; }
.hero h1 { animation-delay: 0.25s; }
.hero-texte { animation-delay: 0.4s; }
.hero-btns { animation-delay: 0.55s; }

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

.hero-img {
    animation: fadeIn 1.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: rgba(255,255,255,0.15);
    transition: left 0.4s ease;
}

.btn:hover::after { left: 100%; }

.tarif {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease;
}

.tarif:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    z-index: 2;
    position: relative;
}

.gs, .partenaire {
    transition: transform 0.3s ease, background 0.3s ease;
}

.gs:hover, .partenaire:hover {
    transform: translateY(-4px);
    background: #fafafa;
}

.gp {
    transition: transform 0.3s ease, background 0.3s ease;
}

.gp:hover {
    transform: translateY(-4px);
    background: #1c1c1c;
}

nav a {
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: var(--noir);
    transition: width 0.25s ease;
}

nav a:hover::after, nav a.actif::after { width: 100%; }

.chiffre-n {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.chiffre:hover .chiffre-n {
    transform: scale(1.1);
}

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-img {
    transition: opacity 0.4s ease;
}

html { scroll-behavior: smooth; }