/* ===== Base & Typography ===== */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(212, 168, 67, 0.3);
    color: #1e3a5f;
}

/* ===== Scroll Reveal ===== */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.scroll-reveal[data-reveal-state="hidden"] {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .scroll-reveal[data-reveal-state="visible"] {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Header ===== */
#site-header {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#site-header.scrolled {
    background-color: rgba(30, 58, 95, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #d4a843;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #d4a843;
    outline-offset: 2px;
}

/* ===== Mobile Menu ===== */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Smooth Image Loading ===== */
img {
    background-color: #d9e2ec;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
    background: #9fb3c8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #627d98;
}

/* ===== Form Focus States ===== */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.15);
}

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

/* ===== Gold Accent Animations ===== */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 640px) {
    .font-display {
        line-height: 1.1;
    }
}

@media (min-width: 641px) and (max-width: 1023px) {
    .scroll-reveal {
        opacity: 1;
        transform: translateY(0);
    }
}