/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: #020610;
    color: #ffffff;
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

/* Selection */
::selection {
    background: rgba(52, 212, 180, 0.2);
    color: #ffffff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #020610;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(52, 212, 180, 0.3);
}

/* Hero Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lineGrow {
    from {
        opacity: 0;
        transform: scaleY(0);
    }
    to {
        opacity: 1;
        transform: scaleY(1);
    }
}

@keyframes circleExpand {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.6;
        transform: scaleY(1.3);
    }
}

.hero-fade {
    animation: fadeInUp 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    opacity: 0;
}

.hero-line {
    animation: lineGrow 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    opacity: 0;
    transform-origin: top;
    animation-delay: 0.5s;
}

.hero-circle {
    animation: circleExpand 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    opacity: 0;
    animation-delay: 0.7s;
}

.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
    transform-origin: top;
}

/* Reveal Animations (below-fold, progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 0;
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .reveal-up {
        transform: translateY(32px);
    }
    
    .reveal-left {
        transform: translateX(-32px);
    }
    
    .reveal-right {
        transform: translateX(32px);
    }
    
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* Navbar */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(2, 6, 16, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

#navbar.scrolled .text-white/60 {
    color: rgba(255, 255, 255, 0.6);
}

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

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

/* Menu item hover line */
#menu .space-y-7 > div {
    position: relative;
    padding-bottom: 0;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

#menu .space-y-7 > div:hover {
    border-bottom-color: rgba(52, 212, 180, 0.15);
}

/* Gallery hover */
#gallery img {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                filter 0.6s ease;
}

#gallery > div > div > div:hover img {
    transform: scale(1.02);
    filter: brightness(1.05);
}

/* Button focus */
a:focus-visible,
button:focus-visible {
    outline: 1px solid rgba(52, 212, 180, 0.5);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Smooth image loading */
img {
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
}