/* ═══════════════════════════════════════════════
   GASTRONOME HEADER — Front-end CSS
   v1.0.0
   ═══════════════════════════════════════════════ */

:root {
    --gn-bg-dark: #110E0A;
    --gn-bg-cream: #F2ECE3;
    --gn-accent-gold: #C49A6C;
    --gn-text-light: #F3EDE6;
    --gn-text-dark: #110E0A;
    --gn-text-muted: #A09486;
    --gn-font-display: 'Urbano Condensed', 'Oswald', sans-serif;
    --gn-font-body: 'Outfit', sans-serif;
    --gn-font-italic: 'Cormorant Garamond', serif;
    --gn-space-page: 48px;
}

/* ════════════════════════════════════
   NAV BAR
   ════════════════════════════════════ */
.gn-nav {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0 var(--gn-space-page);
    z-index: 1000;
    transition: height 0.45s cubic-bezier(0.25,1,0.5,1),
                background 0.45s ease,
                box-shadow 0.45s ease;
}

/* ── LIGHT VARIANT (default) ── */
.gn-nav .gn-lang { color: var(--gn-text-dark); }
.gn-nav .gn-burger-text { color: var(--gn-text-dark); }
.gn-nav .gn-burger-line { background: var(--gn-text-dark); }

.gn-nav.scrolled {
    height: 52px;
    background: rgba(242,236,227,0.75);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    box-shadow: 0 1px 0 rgba(17,14,10,0.06);
}

/* ── DARK VARIANT ── */
.gn-nav.gn-nav-dark {
    position: absolute;
}
.gn-nav.gn-nav-dark .gn-lang { color: var(--gn-text-light); }
.gn-nav.gn-nav-dark .gn-burger-text { color: var(--gn-text-light); }
.gn-nav.gn-nav-dark .gn-burger-line { background: var(--gn-text-light); }
.gn-nav.gn-nav-dark.scrolled {
    position: fixed;
    background: rgba(17,14,10,0.85);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    box-shadow: 0 1px 0 rgba(243,237,230,0.06);
}

/* ── MENU OPEN — forces dark nav chrome ── */
.gn-nav.gn-menu-open {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
    height: 100px !important;
}
.gn-nav.gn-menu-open .gn-lang { color: var(--gn-text-light) !important; }
.gn-nav.gn-menu-open .gn-lang:hover { color: var(--gn-accent-gold) !important; }
.gn-nav.gn-menu-open .gn-burger-text { color: var(--gn-text-light) !important; }
.gn-nav.gn-menu-open .gn-burger-line { background: var(--gn-text-light) !important; }
.gn-nav.gn-menu-open .gn-logo-img { height: 28px !important; }

/* ── Layout cells ── */
.gn-nav-left   { display: flex; gap: 40px; justify-self: start; align-items: center; }
.gn-nav-center { justify-self: center; }
.gn-nav-right  { display: flex; justify-self: end; align-items: center; }

/* ── Logo ── */
.gn-logo {
    position: relative; z-index: 1001;
    text-decoration: none; display: flex; align-items: center;
}
.gn-logo-img {
    height: 28px; width: auto; display: block;
    transition: height 0.45s cubic-bezier(0.25,1,0.5,1), opacity 0.3s ease;
}
.gn-nav.scrolled .gn-logo-img { height: 18px; }

/* ── Language switcher ── */
.gn-lang {
    text-decoration: none;
    font-family: var(--gn-font-body);
    font-size: 13px; font-weight: 500;
    letter-spacing: 0.15em;
    transition: color 0.5s ease, font-size 0.45s cubic-bezier(0.25,1,0.5,1);
    position: relative; z-index: 1001;
}
.gn-lang:hover { color: var(--gn-accent-gold) !important; }
.gn-nav.scrolled .gn-lang { font-size: 11px; }

/* ── Burger button ── */
.gn-burger {
    display: flex; align-items: center; gap: 16px;
    background: none; border: none;
    cursor: pointer; position: relative; z-index: 1001;
    outline: none; -webkit-tap-highlight-color: transparent;
}
.gn-burger-text {
    font-family: var(--gn-font-body);
    font-size: 13px; font-weight: 500;
    letter-spacing: 0.15em; text-transform: uppercase;
    transition: color 0.4s ease, font-size 0.45s cubic-bezier(0.25,1,0.5,1);
}
.gn-nav.scrolled .gn-burger-text { font-size: 11px; }
.gn-burger:hover .gn-burger-text { color: var(--gn-accent-gold) !important; }

.gn-burger-icon {
    width: 32px; height: 10px; position: relative;
    transition: width 0.45s cubic-bezier(0.25,1,0.5,1);
}
.gn-nav.scrolled .gn-burger-icon { width: 26px; }

.gn-burger-line {
    position: absolute; left: 0; width: 100%; height: 1px;
    transition: transform 0.6s cubic-bezier(0.25,1,0.5,1), background 0.5s ease;
}
.gn-burger-line-1 { top: 0; }
.gn-burger-line-2 { bottom: 0; }
.gn-burger:hover .gn-burger-line { background: var(--gn-accent-gold) !important; }

/* X state */
.gn-burger.open .gn-burger-line-1 {
    transform: translateY(4.5px) rotate(45deg);
    background: var(--gn-text-light) !important;
}
.gn-burger.open .gn-burger-line-2 {
    transform: translateY(-4.5px) rotate(-45deg);
    background: var(--gn-text-light) !important;
}
.gn-burger.open .gn-burger-text { color: var(--gn-text-light) !important; }

/* ── GSAP reveal (hidden until animated) ── */
.gn-gsap-reveal { opacity: 0; visibility: hidden; }

/* ════════════════════════════════════
   MENU OVERLAY
   GSAP handles all animation via autoAlpha.
   .open class is CSS-only fallback when GSAP is absent.
   ════════════════════════════════════ */
.gn-menu-overlay {
    position: fixed; inset: 0;
    background: var(--gn-bg-dark);
    z-index: 999; display: flex;
    opacity: 0; visibility: hidden;
    /* NO transition here — GSAP autoAlpha handles animation */
}

/* CSS-only fallback when GSAP is not loaded */
.gn-no-gsap .gn-menu-overlay {
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
.gn-no-gsap .gn-menu-overlay.open {
    opacity: 1; visibility: visible;
}
.gn-no-gsap .gn-menu-item {
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.gn-no-gsap .gn-menu-overlay.open .gn-menu-item {
    opacity: 1; transform: translateX(0);
}
.gn-no-gsap .gn-gsap-menu-fade {
    transition: opacity 0.5s ease 0.15s, transform 0.5s ease 0.15s;
}
.gn-no-gsap .gn-menu-overlay.open .gn-gsap-menu-fade {
    opacity: 1; transform: translateY(0);
}

/* Left — links */
.gn-menu-left {
    flex: 0 0 50%; height: 100vh;
    display: flex; flex-direction: column; justify-content: center;
    padding-left: 12vw; padding-right: 48px;
}

.gn-menu-links {
    list-style: none; display: flex; flex-direction: column; gap: 16px;
    padding: 0; margin: 0;
}
.gn-menu-links a {
    font-family: var(--gn-font-display);
    font-size: clamp(40px, 4.5vw, 64px);
    font-weight: 700; text-transform: uppercase; text-decoration: none;
    color: var(--gn-text-light); line-height: 1; display: inline-block;
    transition: color 0.4s ease, transform 0.5s cubic-bezier(0.25,1,0.5,1);
    transform-origin: left center;
}
.gn-menu-links a:hover {
    color: var(--gn-accent-gold);
    transform: translateX(32px);
}

/* Footer */
.gn-menu-footer {
    margin-top: 64px; display: flex; gap: 64px;
}
.gn-mf-col span {
    display: block; font-size: 11px; color: var(--gn-accent-gold);
    text-transform: uppercase; letter-spacing: 0.2em; margin-bottom: 12px;
    font-family: var(--gn-font-body);
}
.gn-mf-col p,
.gn-mf-col a {
    font-family: var(--gn-font-body);
    font-size: 14px; color: var(--gn-text-muted); text-decoration: none;
    line-height: 1.6; transition: color 0.3s;
}
.gn-mf-col a:hover { color: var(--gn-text-light); }

/* Right — media */
.gn-menu-right {
    flex: 0 0 50%; height: 100vh;
    padding: 100px 48px 48px 0;
    display: flex; align-items: center;
}
.gn-media-wrap {
    width: 100%; height: calc(100vh - 148px);
    border-radius: 16px; overflow: hidden;
    position: relative; background: #1A1610;
}
.gn-menu-media {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; opacity: 0; transform: scale(1.05);
    transition: opacity 0.6s ease, transform 1.2s cubic-bezier(0.25,1,0.5,1);
    will-change: transform, opacity;
}
.gn-menu-media.active { opacity: 1; transform: scale(1); }

/* ════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════ */
@media (max-width: 1440px) and (min-width: 1025px) {
    .gn-menu-left { padding-left: 8vw; flex: 0 0 55%; }
    .gn-menu-right { flex: 0 0 45%; padding: 100px 36px 36px 0; }
    .gn-menu-links { gap: 10px; }
    .gn-menu-links a { font-size: clamp(36px, 3.8vw, 52px); }
    .gn-menu-footer { margin-top: 40px; gap: 48px; }
    .gn-media-wrap { height: calc(100vh - 136px); }
}

@media (max-height: 750px) and (min-width: 1025px) {
    .gn-menu-links { gap: 6px; }
    .gn-menu-links a { font-size: clamp(30px, 3.5vw, 44px); }
    .gn-menu-footer { margin-top: 28px; gap: 40px; }
}

@media (max-width: 1024px) {
    :root { --gn-space-page: 32px; }
    .gn-nav { height: 80px; }
    .gn-nav.scrolled { height: 46px; }
    .gn-nav.scrolled .gn-logo-img { height: 16px; }
    .gn-nav.gn-menu-open { height: 80px !important; }
    .gn-burger-text { display: none; }

    .gn-menu-overlay {
        flex-direction: column; overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .gn-menu-left {
        flex: none; width: 100%; height: auto; min-height: 100vh; min-height: 100svh;
        padding: 120px var(--gn-space-page) 48px;
        justify-content: center; align-items: flex-start;
    }
    .gn-menu-right { display: none; }
    .gn-menu-links { gap: 12px; }
    .gn-menu-links a {
        font-size: clamp(36px, 7vw, 56px);
        transform: none !important;
    }
    .gn-menu-links a:hover { transform: none; color: var(--gn-accent-gold); }
    .gn-menu-footer {
        flex-direction: row; flex-wrap: wrap; gap: 32px; margin-top: 48px;
    }
}

@media (max-width: 767px) {
    :root { --gn-space-page: 20px; }
    .gn-nav { height: 72px; }
    .gn-nav.scrolled { height: 44px; }
    .gn-nav.gn-menu-open { height: 72px !important; }
    .gn-logo-img { height: 24px; }
    .gn-nav.scrolled .gn-logo-img { height: 15px; }
    .gn-nav.gn-menu-open .gn-logo-img { height: 24px !important; }
    .gn-lang { font-size: 11px; letter-spacing: 0.1em; }

    .gn-menu-left { padding: 100px var(--gn-space-page) 40px; justify-content: flex-start; }
    .gn-menu-links { gap: 8px; }
    .gn-menu-links a { font-size: clamp(32px, 9vw, 44px); }
    .gn-menu-footer { gap: 24px; margin-top: 40px; }
    .gn-mf-col span { font-size: 10px; margin-bottom: 8px; }
    .gn-mf-col p, .gn-mf-col a { font-size: 13px; }
}

@media (max-width: 480px) {
    :root { --gn-space-page: 16px; }
    .gn-nav { height: 64px; }
    .gn-nav.scrolled { height: 42px; }
    .gn-nav.gn-menu-open { height: 64px !important; }
    .gn-logo-img { height: 22px; }
    .gn-nav.scrolled .gn-logo-img { height: 14px; }
    .gn-nav.gn-menu-open .gn-logo-img { height: 22px !important; }
    .gn-lang { font-size: 10px; letter-spacing: 0.08em; }
    .gn-burger-icon { width: 28px; height: 8px; }
    .gn-burger.open .gn-burger-line-1 { transform: translateY(3.5px) rotate(45deg); }
    .gn-burger.open .gn-burger-line-2 { transform: translateY(-3.5px) rotate(-45deg); }
    .gn-menu-left { padding-top: 80px; }
    .gn-menu-links { gap: 6px; }
    .gn-menu-links a { font-size: clamp(28px, 10vw, 38px); }
    .gn-menu-footer { flex-direction: column; gap: 20px; margin-top: 32px; }
}

@media (max-width: 360px) {
    .gn-logo-img { height: 20px; }
    .gn-lang { font-size: 9px; }
    .gn-menu-links a { font-size: 26px; }
}

@media (hover: none) and (pointer: coarse) {
    .gn-menu-links a:active { color: var(--gn-accent-gold); }
}