:root {
    --bg-main: #050508;
    /* Deep space black */
    --bg-secondary: #0a0a10;
    --bg-card: rgba(20, 20, 30, 0.4);
    --text-primary: #f8f9fa;
    --text-secondary: #a1a1aa;
    --accent: #9b87f5;
    --accent-glow: rgba(155, 135, 245, 0.4);
    --font-sans: 'Inter', 'Outfit', 'Segoe UI', Roboto, Helvetica, sans-serif;
    --font-mono: 'Fira Code', monospace;
    --border-color: rgba(155, 135, 245, 0.15);
    --bg-header: rgba(5, 5, 8, 0.7);
    --bg-card-solid: #0f0f15;
    --bg-gradient-end: rgba(20, 20, 30, 0.4);
}

:root.light-mode {
    --bg-main: #f8f9fa;
    --bg-secondary: #f0f0f4;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-solid: #ffffff;
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --accent: #7c3aed;
    --accent-glow: rgba(124, 58, 237, 0.2);
    --border-color: rgba(124, 58, 237, 0.15);
    --bg-header: rgba(248, 249, 250, 0.8);
    --bg-gradient-end: rgba(230, 230, 240, 0.6);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
    letter-spacing: 0.3px;
}



.btn-primary {
    display: inline-block;
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: rgba(100, 255, 218, 0.1);
}

.btn-small {
    padding: 6px 14px;
    font-size: 13px;
    margin-right: 10px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-primary) !important;
}

.mt-30 {
    margin-top: 30px;
}

.nav-active {
    color: var(--accent) !important;
}

/* Animations */
.hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.show {
    opacity: 1;
    transform: translateY(0);
}

.typewriter-target {
    border-right: 2px solid var(--accent);
    white-space: nowrap;
    overflow: hidden;
    display: inline-block;
    padding-right: 5px;
    animation: blinkCursor 0.75s step-end infinite;
}

@keyframes blinkCursor {

    from,
    to {
        border-color: transparent
    }

    50% {
        border-color: var(--accent);
    }
}