/* Base styles and custom utilities */
:root {
    --plum-950: #3b0764;
    --plum-800: #6b21a8;
    --plum-700: #7e22ce;
    --plum-600: #9333ea;
    --plum-300: #d8b4fe;
    --plum-200: #e9d5ff;
    --plum-100: #f3e8ff;
    --plum-50: #faf5ff;
    --amber-400: #fbbf24;
    --amber-500: #f59e0b;
}

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

body {
    overflow-x: hidden;
}

/* Selection color */
::selection {
    background: #d8b4fe;
    color: #3b0764;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #faf5ff;
}
::-webkit-scrollbar-thumb {
    background: #d8b4fe;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a855f7;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid #7e22ce;
    outline-offset: 2px;
}

/* Navbar transition */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #f3e8ff;
    box-shadow: 0 1px 0 rgba(107, 33, 168, 0.06);
}

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

/* Hamburger animation */
.hamburger-line {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
#mobile-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
#mobile-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 20px;
}

/* Mobile links */
.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

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

/* Scroll reveal animations - progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 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; }
}

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