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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(212, 165, 116, 0.3);
    color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0d0d0d;
}
::-webkit-scrollbar-thumb {
    background: #2c2c2c;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #D4A574;
}

/* ===== Scroll Line Animation ===== */
@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(48px); }
}

.animate-scroll-line {
    animation: scrollLine 1.5s ease-in-out infinite;
}

/* ===== Nav Active State ===== */
.nav-link.active {
    color: #D4A574 !important;
}

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

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

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

.mobile-menu.open .mobile-menu-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.open .mobile-menu-link:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu.open .mobile-menu-link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.open .mobile-menu-link:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu.open .mobile-menu-link:nth-child(5) { transition-delay: 0.25s; }

/* ===== Menu Line Animation ===== */
.menu-line {
    display: block;
}

#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) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Image Hover ===== */
.overflow-hidden img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== Button Focus ===== */
a:focus-visible, button:focus-visible {
    outline: 2px solid #D4A574;
    outline-offset: 2px;
    border-radius: 2px;
}

/* ===== Navbar Scrolled State ===== */
.nav-scrolled {
    background: rgba(13, 13, 13, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 165, 116, 0.1);
}

/* ===== Card Hover Glow ===== */
.hover\:border-gold-400\/25:hover {
    box-shadow: 0 0 40px rgba(212, 165, 116, 0.05);
}