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

:root {
    --nav-height: 72px;
    --sage: #7a9e7e;
    --sage-dark: #4a7050;
    --dark: #1a201a;
    --text: #1e2d22;
    --muted: #6a8a70;
    --border: rgba(122, 158, 126, 0.18);
}

/* ── HEADER ── */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #fff;
    border-bottom: 1px solid var(--border);
    height: var(--nav-height);
}

header nav {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* ── LOGO ── */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
    height: 100%;
}

.logo img {
    height: 70px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.04);
}

/* ── NAV LINKS ── */
.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
}

.nav-links li a {
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 2px;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
}

.nav-links li a:hover {
    color: var(--dark);
}

.nav-links li a.active {
    color: var(--sage-dark);
}

/* SVG icons dans les liens */
.nav-links li a svg {
    opacity: 0.6;
    flex-shrink: 0;
}

.nav-links li a:hover svg {
    opacity: 1;
}

/* ── BOUTON RÉSERVER ── */
.nav-links li a.btn-reserve {
    background: var(--sage-dark);
    color: #fff;
    padding: 9px 22px;
    letter-spacing: 2px;
    font-size: 12px;
    border-radius: 0;
    transition: background 0.2s;
}

.nav-links li a.btn-reserve:hover {
    background: var(--dark);
    color: #fff;
}

/* ── SÉPARATEUR ── */
.nav-sep {
    width: 1px;
    height: 18px;
    background: var(--border);
    margin: 0 8px;
    flex-shrink: 0;
}

/* ── HAMBURGER ── */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
    z-index: 1100;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--dark);
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── OVERLAY ── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(26, 32, 26, 0.35);
    backdrop-filter: blur(2px);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    display: block;
    opacity: 1;
}

/* ── MOBILE ── */
@media (max-width: 860px) {
    header nav { padding: 0 20px; }

    .hamburger { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(320px, 85vw);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        background: #fff;
        padding: calc(var(--nav-height) + 24px) 32px 40px;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        box-shadow: -8px 0 40px rgba(26, 32, 26, 0.08);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--border);
    }

    .nav-links li:last-child { border-bottom: none; }

    .nav-links li a {
        font-size: 13px;
        padding: 16px 0;
        letter-spacing: 1px;
        width: 100%;
        color: var(--dark);
    }

    .nav-links li a.btn-reserve {
        background: none;
        color: var(--sage-dark);
        padding: 16px 0;
        font-size: 13px;
        letter-spacing: 1px;
        border-radius: 0;
    }

    .nav-sep { display: none; }
}