/* ===== Base & Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: #c8a45e;
    color: #0a1628;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #1b3a6e;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c8a45e;
}

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

#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(200, 164, 94, 0.1);
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

#mobile-menu.closed .mobile-link {
    opacity: 0;
    transform: translateY(10px);
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== Hero Image Animation ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* ===== Button Hover Effects ===== */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* ===== Image Loading ===== */
img {
    image-rendering: auto;
}

/* ===== Focus Styles ===== */
:focus-visible {
    outline: 2px solid #c8a45e;
    outline-offset: 2px;
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ===== Tablet ===== */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
}

/* ===== Utility ===== */
.text-shadow {
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}