/* ===== 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(201, 168, 76, 0.3);
    color: #f0f4f8;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #2a3f60;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #395480;
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(6, 14, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(42, 63, 96, 0.5);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Menu Tabs ===== */
.menu-tab {
    color: #9db4d0;
    background: transparent;
    cursor: pointer;
}

.menu-tab.active {
    color: #0a1628;
    background: linear-gradient(135deg, #c9a84c, #d4a843);
    box-shadow: 0 4px 15px rgba(201, 168, 76, 0.3);
}

.menu-tab:not(.active):hover {
    color: #c9a84c;
}

/* ===== Mobile Menu ===== */
.mobile-link {
    display: block;
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal.revealed {
        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; }
}

/* ===== Gallery hover ===== */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ===== Focus visible ===== */
:focus-visible {
    outline: 2px solid #c9a84c;
    outline-offset: 2px;
}

/* ===== Button ripple on tap ===== */
button:active, a:active {
    transform: scale(0.98);
}

/* ===== Responsive adjustments ===== */
@media (max-width: 767px) {
    .font-display {
        line-height: 1.15;
    }

    #hero h1 {
        font-size: 2.75rem;
    }
}

@media (min-width: 768px) {
    #hero h1 {
        font-size: 4.5rem;
    }
}