/* ── Base & Utilities ── */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(200, 149, 108, 0.3);
    color: #E8DCC8;
}

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background: rgba(10, 7, 4, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(200, 149, 108, 0.08);
}

/* ── Floating Cards ── */
.floating-card {
    animation: float 6s ease-in-out infinite;
}

.card-1 { animation-delay: 0s; }
.card-2 { animation-delay: -1.5s; }
.card-3 { animation-delay: -3s; }
.card-4 { animation-delay: -4.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* ── Menu Tabs ── */
.menu-tab {
    background: transparent;
    color: rgba(232, 220, 200, 0.5);
    border: 1px solid rgba(200, 149, 108, 0.15);
    cursor: pointer;
    transition: all 0.3s ease;
}

.menu-tab:hover {
    color: rgba(232, 220, 200, 0.8);
    border-color: rgba(200, 149, 108, 0.3);
}

.menu-tab.active {
    background: rgba(192, 88, 58, 0.2);
    color: #C8956C;
    border-color: rgba(200, 149, 108, 0.4);
}

/* ── Menu Item Borders ── */
.menu-item-border {
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(200, 149, 108, 0.08);
}

.menu-item-border:last-child {
    border-bottom: none;
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Mobile Menu Animations ── */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0A0704;
}
::-webkit-scrollbar-thumb {
    background: rgba(200, 149, 108, 0.25);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(200, 149, 108, 0.4);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .floating-card {
        display: none;
    }
}