/* ════════════════════════════════════════════════════════
   RESET
════════════════════════════════════════════════════════ */
html, body { margin: 0; padding: 0; }

/* ════════════════════════════════════════════════════════
   HEADER — BASE
════════════════════════════════════════════════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 92px;
    z-index: 1000;
    pointer-events: none;
    transition:
        height          0.4s  cubic-bezier(0.25, 0.46, 0.45, 0.94),
        background      0.4s  ease,
        box-shadow      0.4s  ease,
        transform       0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        opacity         0.3s  ease;
    opacity: 0;
    transform: translateY(-8px);
}

.header.is-ready {
    opacity: 1;
    transform: translateY(0);
}

/* Dégradé de protection hero — tons bleu nuit */
.header::before {
    content: "";
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background: linear-gradient(
        to bottom,
        rgba(6, 10, 22, 0.62) 0%,
        rgba(6, 10, 22, 0.22) 55%,
        rgba(6, 10, 22, 0)    100%
    );
    z-index: -1;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

/* ════════════════════════════════════════════════════════
   INNER — grid 3 colonnes pour centrage parfait
════════════════════════════════════════════════════════ */
.header-inner {
    position: relative;
    height: 100%;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0 40px;
    pointer-events: auto;
}

/* ════════════════════════════════════════════════════════
   BOUTON MENU (gauche)
════════════════════════════════════════════════════════ */
.header-menu-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    justify-self: start;
    transition: opacity 0.2s ease;
}

.header-menu-btn:hover { opacity: 0.55; }

.menu-bars {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.bar {
    display: block;
    height: 1px;
    background: #ffffff;
    transform-origin: left center;
    transition:
        background  0.35s ease,
        width       0.3s  cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform   0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.bar-1 { width: 28px; }
.bar-2 { width: 18px; } /* plus courte = détail luxe */

.header-menu-btn:hover .bar-2 { width: 28px; }

/* Croix quand menu ouvert */
.header-menu-btn.is-open .bar-1 {
    transform: rotate(45deg) translateY(1px);
    width: 24px;
}
.header-menu-btn.is-open .bar-2 {
    transform: rotate(-45deg) translateY(-1px);
    width: 24px;
}

/* Label "Menu" / "Fermer" */
.menu-label {
    font-family: "Jost", sans-serif;
    font-size: 0.54rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.35s ease;
    margin-top: 3px;
    display: block;
}

/* ── État scrollé ── */
.bar.scrolled                     { background: #1B2744; }
.header.is-scrolled .menu-label   { color: rgba(27, 39, 68, 0.48); }

/* ════════════════════════════════════════════════════════
   LOGO (centre — colonne 2 du grid)
════════════════════════════════════════════════════════ */
.header-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    line-height: 1;
    justify-self: center;
    transition: opacity 0.25s ease;
    overflow: hidden; /* évite le débordement en mode shrink */
}

.header-logo:hover { opacity: 0.7; }

/* ── "MAS DE" eyebrow ── */
.logo-eyebrow {
    display: block;
    font-family: "Jost", sans-serif;
    font-size: 0.48rem;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 3px;
    max-height: 20px;
    opacity: 1;
    transition: color 0.35s ease, max-height 0.35s ease, opacity 0.3s ease, margin 0.35s ease;
    overflow: hidden;
    white-space: nowrap;
}

/* Filet décoratif sous l'eyebrow */
.logo-eyebrow::after {
    content: "";
    display: block;
    width: 16px;
    height: 1px;
    background: rgba(255, 255, 255, 0.25);
    margin: 4px auto 0;
    transition: background 0.35s ease, margin 0.35s ease;
}

/* ── "LOUISE" nom principal ── */
.logo-name {
    display: block;
    font-family: "Playfair Display", serif;
    font-size: 1.85rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #ffffff;
    text-shadow: 0 2px 16px rgba(6, 10, 22, 0.28);
    line-height: 1;
    white-space: nowrap;
    transition: color 0.35s ease, text-shadow 0.35s ease, font-size 0.35s ease;
}

/* ── "L" Cormorant italique ── */
.logo-L {
    font-family: "Cormorant Garamond", serif;
    font-style: italic;
    font-size: 2.15rem;
    letter-spacing: 0;
    display: inline-block;
    line-height: 1;
    vertical-align: baseline;
    transition: font-size 0.35s ease, color 0.35s ease;
}

/* ── "Terres de Famille" tagline ── */
.logo-tagline {
    display: block;
    font-family: "Jost", sans-serif;
    font-size: 0.42rem;
    letter-spacing: 0.30em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.36);
    margin-top: 5px;
    max-height: 16px;
    opacity: 1;
    transition: color 0.35s ease, max-height 0.35s ease, opacity 0.3s ease, margin 0.35s ease;
    overflow: hidden;
    white-space: nowrap;
}

/* ── Couleurs état scrollé ── */
.header-logo.scrolled .logo-eyebrow         { color: rgba(27, 39, 68, 0.52); }
.header-logo.scrolled .logo-eyebrow::after  { background: rgba(27, 39, 68, 0.18); }
.header-logo.scrolled .logo-name            { color: #1B2744; text-shadow: none; }
.header-logo.scrolled .logo-L               { color: #1B2744; }
.header-logo.scrolled .logo-tagline         { color: rgba(27, 39, 68, 0.32); }

/* ── SHRINK : masquer eyebrow + tagline ── */
.header.is-scrolled .logo-eyebrow {
    max-height: 0;
    opacity: 0;
    margin-bottom: 0;
}
.header.is-scrolled .logo-eyebrow::after {
    margin-top: 0;
}
.header.is-scrolled .logo-tagline {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}
.header.is-scrolled .logo-name  { font-size: 1.52rem; }
.header.is-scrolled .logo-L     { font-size: 1.76rem; }

/* ════════════════════════════════════════════════════════
   RÉSERVER (droite — colonne 3 du grid)
════════════════════════════════════════════════════════ */
.header-reserve {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: opacity 0.25s ease;
}

.header-reserve:hover { opacity: 0.58; }

.reserve-label {
    font-family: "Jost", sans-serif;
    font-size: 0.70rem;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.33);
    padding-bottom: 2px;
    transition: color 0.35s ease, border-color 0.35s ease;
    white-space: nowrap;
}

.reserve-arrow {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.48);
    transition: color 0.35s ease, transform 0.25s ease;
}

.header-reserve:hover .reserve-arrow {
    transform: translateX(4px);
    color: rgba(255, 255, 255, 0.88);
}

/* ── Couleurs scrollées ── */
.header-reserve.scrolled .reserve-label {
    color: #1B2744;
    border-bottom-color: rgba(27, 39, 68, 0.22);
}
.header-reserve.scrolled .reserve-arrow     { color: rgba(27, 39, 68, 0.42); }
.header-reserve.scrolled:hover .reserve-arrow { color: #1B2744; }

/* ════════════════════════════════════════════════════════
   ÉTATS DU HEADER
════════════════════════════════════════════════════════ */

/* Scrollé vers le haut → fond ivoire */
.header.is-scrolled {
    height: 60px;
    background: rgba(253, 250, 245, 0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 1px 0 rgba(184, 168, 148, 0.4);
}

.header.is-scrolled::before { opacity: 0; pointer-events: none; }

/* Scrollé vers le bas → disparaît */
.header.is-hidden {
    transform: translateY(-100%);
    pointer-events: none;
    opacity: 0;
}

/* ════════════════════════════════════════════════════════
   SIDEBAR DESKTOP
════════════════════════════════════════════════════════ */
.sidebar {
    position: fixed;
    top: 0;
    left: -480px;
    width: 480px;
    height: 100vh;
    background: #FDFAF5;
    border-radius: 0 24px 24px 0;
    box-shadow: 6px 0 40px rgba(27, 39, 68, 0.12);
    transition: left 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1200;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.sidebar::-webkit-scrollbar { display: none; }
.sidebar.open { left: 0; }

/* ════════════════════════════════════════════════════════
   MENU MOBILE
════════════════════════════════════════════════════════ */
.mobile-menu {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: #FDFAF5;
    transform: translateX(-100%);
    transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1300;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.mobile-menu::-webkit-scrollbar { display: none; }
.mobile-menu.open { transform: translateX(0); }

/* ════════════════════════════════════════════════════════
   OVERLAY
════════════════════════════════════════════════════════ */
.menu-overlay {
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    background: rgba(6, 10, 22, 0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    z-index: 1100;
}
.menu-overlay.visible { opacity: 1; pointer-events: all; }

/* ════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    .sidebar { display: none; }
    .header-inner { padding: 0 24px; }
}
@media (min-width: 901px) {
    .mobile-menu { display: none; }
}
@media (max-width: 540px) {
    .header          { height: 76px; }
    .header.is-scrolled { height: 56px; }
    .logo-name       { font-size: 1.58rem; }
    .logo-L          { font-size: 1.82rem; }
    .reserve-label   { font-size: 0.62rem; letter-spacing: 0.14em; }
    .menu-label      { display: none; }
}