/* Base & Typography */
html {
    scroll-behavior: smooth;
}

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

/* Smooth Scroll Offset for Fixed Nav */
section[id] {
    scroll-margin-top: 80px;
}

/* Animation Keyframes */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Animation Classes */
.fade-up {
    animation: fadeUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }

.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-up.active,
.reveal-left.active,
.reveal-right.active {
    opacity: 1;
    transform: translateX(0) translateY(0);
}

/* Navbar Scroll State */
.navbar-scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    padding-top: 1rem;
    padding-bottom: 1rem;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Mobile Menu Active State */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

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

.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: 0.2s; }
.mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 0.4s; }

/* Menu Item Hover */
#menu .border-b {
    transition: border-color 0.3s ease;
}

#menu .border-b:hover {
    border-color: rgba(212, 175, 55, 0.3);
}

#menu .border-b div:first-child p:first-child {
    transition: color 0.3s ease;
}

#menu .border-b:hover div:first-child p:first-child {
    color: #d4af37;
}

/* Input Focus Styles */
input:focus,
textarea:focus {
    border-image: linear-gradient(to right, #d4af37, transparent) 1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #d4af37;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c9a227;
}

/* Selection Color */
::selection {
    background: rgba(212, 175, 55, 0.3);
    color: #fff;
}