html,
body {
    height: 100%;
    margin: 0;
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
}

.font-serif-display {
    font-family: 'Playfair Display', Georgia, serif;
}

.font-sans-display {
    font-family: 'Outfit', system-ui, sans-serif;
}

.font-body {
    font-family: 'Inter', system-ui, sans-serif;
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(150, 150, 150, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(150, 150, 150, 0.5);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Glassmorphism nav */
.glass-nav {
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.light-mode .glass-nav {
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.skill-tag {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.light-mode .skill-tag {
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.5);
}

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.light-mode .divider {
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
}

.project-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.light-mode .project-card {
    background: rgba(0, 0, 0, 0.01);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    transition: left 0.7s ease;
}

.light-mode .project-card::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.light-mode .project-card:hover {
    border-color: rgba(0, 0, 0, 0.2);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
}

.project-card:hover::before {
    left: 100%;
}

.nav-link {
    position: relative;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    opacity: 1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

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

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.marquee-track {
    animation: marquee 30s linear infinite;
}

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

/* Dynamic background */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    left: -200px;
    z-index: 0;
    pointer-events: none;
}

.light-mode .bg-glow {
    background: radial-gradient(circle, rgba(0, 0, 0, 0.03) 0%, transparent 70%);
}

.button-primary {
    transition: color 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.button-primary::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(135deg, #4f46e5, #9333ea);
    z-index: -1;
    transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.button-primary:hover::after {
    height: 100%;
    top: auto;
    bottom: 0;
}

.button-primary:hover {
    color: #fff !important;
    box-shadow: 0 10px 40px -10px rgba(147, 51, 234, 0.6) !important;
    border-color: transparent !important;
}

.light-mode .button-primary:hover {
    color: #fff !important;
}

@keyframes text-shine {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.hero-text-glow {
    background: linear-gradient(to right,
            #ffffff 20%,
            #818cf8 30%,
            #c084fc 40%,
            #ffffff 50%,
            #34d399 60%,
            #60a5fa 70%,
            #ffffff 80%);
    background-size: 200% auto;
    color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: text-shine 8s ease-in-out infinite alternate;
}

.light-mode .hero-text-glow {
    background: linear-gradient(to right,
            #111827 20%,
            #4f46e5 30%,
            #9333ea 40%,
            #111827 50%,
            #059669 60%,
            #2563eb 70%,
            #111827 80%);
    background-size: 200% auto;
}

@keyframes float-hero {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-20px) scale(1.05);
    }
}

/* Reassemble Animation */
.char {
    display: inline-block;
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) rotate(var(--dr));
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.char.assembled {
    opacity: 1;
    transform: translate(0, 0) rotate(0);
}