:root {
    --primary: #8e7cc3;
    --primary-light: rgba(142,124,195,.1);
    --primary-dark: #7a6bc0;
    --secondary: #f8f9fa;
    --dark: #2c2c2c;
    --light: #ffffff;
    --gray: #e0e0e0;
    --text-muted: #666;
    --transition: all .3s ease;
    --radius: 10px;
    --shadow: 0 5px 15px rgba(0,0,0,.06);
    --shadow-hover: 0 10px 25px rgba(0,0,0,.12);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Open Sans', sans-serif; line-height: 1.6; color: var(--dark); background: var(--secondary); }
a { text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ── Header ── */
header {
    background: var(--light); box-shadow: 0 2px 10px rgba(0,0,0,.05);
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 15px 0;
}
.header-inner { display: flex; justify-content: space-between; align-items: center; position: relative; }
.logo { font-family: 'Playfair Display', serif; font-size: 1.5rem; font-weight: 700; color: var(--primary); }

/* Nav multi-pages */
.header-nav { display: flex; gap: 24px; align-items: center; }
.header-nav a { color: var(--dark); font-size: .9rem; font-weight: 500; transition: color .2s; }
.header-nav a:hover { color: var(--primary); }
.header-nav a.nav-current { color: var(--primary-dark); }
.header-nav .btn-contact {
    background: var(--primary); color: #fff;
    padding: 9px 20px; border-radius: 20px; font-weight: 600; font-size: .875rem;
}
.header-nav .btn-contact:hover { background: var(--primary-dark); color: #fff; }

/* Nav home */
.nav-links { display: flex; list-style: none; gap: 30px; }
.nav-links a { font-weight: 500; color: var(--dark); transition: var(--transition); }
.nav-links a:hover { color: var(--primary); }

/* ── Hamburger ── */
.hamburger {
    display: none; flex-direction: column; gap: 5px;
    cursor: pointer; background: none; border: none; padding: 5px;
}
.hamburger span {
    display: block; width: 24px; height: 2px;
    background: var(--dark); border-radius: 2px; transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Footer ── */
footer { background: var(--dark); color: rgba(255,255,255,.65); padding: 30px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; }
.footer-logo { font-family: 'Playfair Display', serif; color: #fff; font-size: 1.3rem; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: rgba(255,255,255,.5); transition: color .2s; font-size: .875rem; }
.footer-links a:hover { color: var(--primary); }
.footer-copy { text-align: center; color: rgba(255,255,255,.4); font-size: .875rem; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); margin-top: 20px; }

/* ── Boutons ── */
.btn {
    display: inline-block; background: var(--primary); color: #fff;
    padding: 13px 32px; border-radius: 30px; font-weight: 600; font-size: 1rem;
    transition: var(--transition);
}
.btn:hover { background: var(--primary-dark); transform: translateY(-2px); color: #fff; }
.btn-white {
    background: #fff; color: var(--primary);
    padding: 13px 32px; border-radius: 30px; font-weight: 700; font-size: 1rem;
    display: inline-block; transition: var(--transition);
}
.btn-white:hover { background: var(--secondary); transform: translateY(-2px); color: var(--primary); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .hamburger { display: flex; }
    .header-nav {
        display: none; flex-direction: column;
        position: absolute; top: calc(100% + 15px);
        left: -20px; right: -20px;
        background: var(--light); padding: 20px 30px; gap: 16px;
        box-shadow: 0 8px 20px rgba(0,0,0,.1);
        border-top: 2px solid var(--primary-light); z-index: 200;
    }
    .header-nav.open { display: flex; }
    .header-nav .btn-contact { text-align: center; }
    .nav-links {
        display: none; flex-direction: column;
        position: absolute; top: calc(100% + 15px);
        left: -20px; right: -20px;
        background: var(--light); padding: 20px 30px; gap: 15px;
        box-shadow: 0 8px 20px rgba(0,0,0,.1);
        border-top: 2px solid var(--primary-light);
    }
    .nav-links.open { display: flex; }
}
@media (max-width: 480px) {
    .logo { font-size: 1.3rem; }
}