/* Base styles and custom properties */
:root {
    --color-plum-50: #faf5ff;
    --color-plum-100: #f3e8ff;
    --color-plum-200: #e9d5ff;
    --color-plum-300: #d8b4fe;
    --color-plum-400: #c084fc;
    --color-plum-500: #a855f7;
    --color-plum-600: #9333ea;
    --color-plum-700: #7e22ce;
    --color-plum-800: #6b21a8;
    --color-plum-900: #581c87;
    --color-plum-950: #3b0764;
    --color-amber-100: #fef3c7;
    --color-amber-200: #fde68a;
    --color-amber-300: #fcd34d;
    --color-amber-400: #fbbf24;
    --color-amber-500: #f59e0b;
    --color-amber-600: #d97706;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(91, 33, 182, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #9333ea, #f59e0b);
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

/* Mobile menu */
.mobile-link {
    position: relative;
}

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

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

.menu-line {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#menuToggle.active .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

#menuToggle.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#menuToggle.active .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 5rem;
}

/* Floating animations */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(-1deg); }
}

@keyframes float-fast {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-6px) rotate(1deg); }
}

.animate-float-slow {
    animation: float-slow 6s ease-in-out infinite;
}

.animate-float-medium {
    animation: float-medium 4.5s ease-in-out infinite;
}

.animate-float-fast {
    animation: float-fast 3.5s ease-in-out infinite;
}

/* Scroll reveal */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .animate-float-slow,
    .animate-float-medium,
    .animate-float-fast {
        animation: none;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .scroll-reveal {
        transition: none;
    }
}

/* Selection color */
::selection {
    background: rgba(147, 51, 234, 0.2);
    color: #3b0764;
}

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

::-webkit-scrollbar-track {
    background: #faf5ff;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #9333ea, #f59e0b);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #7e22ce, #d97706);
}

/* Image hover effects */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}