/* css/style.css */

/* 
 * ============================================
 * NEURAL AI THEME STYLES (LIGHT / DARK)
 * ============================================
 */

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

/* Custom Selection */
::selection {
    background-color: #050505;
    color: #ffffff;
}
.dark ::selection {
    background-color: #ffffff;
    color: #000000;
}

/* Scrollbar customization for a sleek look */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #ffffff; 
}
.dark ::-webkit-scrollbar-track {
    background: #050505; 
}

::-webkit-scrollbar-thumb {
    background: #e2e8f0; 
    border-radius: 4px;
}
.dark ::-webkit-scrollbar-thumb {
    background: #1f1f1f; 
}

::-webkit-scrollbar-thumb:hover {
    background: #cbd5e1; 
}
.dark ::-webkit-scrollbar-thumb:hover {
    background: #333333; 
}

/* 
 * 1. NAVBAR - GLASSMORPHISM (Light / Dark variant)
 */
#navbar {
    background: transparent;
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.dark #navbar.scrolled {
    background: rgba(5, 5, 5, 0.85);
}

#navbar.scrolled #nav-border {
    border-bottom-color: rgba(226, 232, 240, 1); /* border-light-border */
}
.dark #navbar.scrolled #nav-border {
    border-bottom-color: rgba(31, 31, 31, 1); /* border-dark-border */
}


/* 
 * 2. NAV LINKS ACCENT
 */
.nav-link {
    position: relative;
    display: inline-block;
}
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: #050505; /* light mode text color */
    transition: width 0.3s ease;
}
.dark .nav-link::after {
    background-color: #ffffff; /* dark mode text color */
}
.nav-link:hover::after {
    width: 100%;
}

/* 
 * 3. HERO SCROLL ANIMATION
 */
@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}
.animate-scroll-line {
    animation: scrollLine 2s cubic-bezier(0.645, 0.045, 0.355, 1) infinite;
}

/* 
 * 4. FORMS / INPUT
 */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #ffffff inset !important;
    -webkit-text-fill-color: #050505 !important;
    transition: background-color 5000s ease-in-out 0s;
}

.dark input:-webkit-autofill,
.dark textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #050505 inset !important;
    -webkit-text-fill-color: #ffffff !important;
}

/* 
 * 5. INFINITE MARQUEE ANIMATION 
 */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.animate-marquee {
    display: flex;
    white-space: nowrap;
    animation: marquee 30s linear infinite;
}

.animate-marquee:hover {
    animation-play-state: paused;
}

/* 
 * 6. MULTICOLOR CURSOR (TYPEWRITER)
 */
@keyframes rgbCursor {
    0% { background-color: #ef4444; } /* Red */
    20% { background-color: #eab308; } /* Yellow */
    40% { background-color: #22c55e; } /* Green */
    60% { background-color: #3b82f6; } /* Blue */
    80% { background-color: #a855f7; } /* Purple */
    100% { background-color: #ef4444; }
}

.animate-rgb-cursor {
    animation: rgbCursor 2s linear infinite, pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}