:root {
    /* color scheme */
    --background: rgb(18, 18, 18); /* very dark grey */
    --foreground: rgb(220, 220, 220); /* light grey/off-white */
    --primary: rgb(205, 92, 92); /* indian red */
    --secondary: rgb(80, 80, 80); /* darker grey for borders/bg */
    --comment: rgb(100, 100, 100); /* grey for comment-like text */

    /* fonts */
    --font-heading: 'VT323', monospace;
    --font-body: 'Roboto Mono', monospace; /* using roboto mono for better readability */

    /* other */
    --scanline-opacity: 0.05;
    --border-width: 1px;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--background);
    color: var(--foreground);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 2rem 1rem; /* adjusted padding */
    position: relative; /* needed for scanlines */
    overflow-x: hidden;
}

/* subtle scanline effect */
body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, var(--scanline-opacity)),
        rgba(0, 0, 0, var(--scanline-opacity)) 1px,
        transparent 1px,
        transparent 3px /* adjust line spacing */
    );
    pointer-events: none; /* allow clicks through */
    z-index: 10; /* ensure it's above background but below content */
}


/* layout */
.split-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 800px; /* slightly narrower */
    width: 100%;
    gap: 1.5rem;
    z-index: 1; /* content above scanlines */
    position: relative;
}

/* base terminal container style */
.terminal-container {
    background-color: rgba(var(--secondary), 0.2); /* slightly transparent dark bg */
    border: var(--border-width) solid var(--primary); /* indian red border */
    padding: 1.5rem;
    width: 100%;
    border-radius: 0; /* sharp corners */
    box-shadow: none; /* remove shadow */
    backdrop-filter: none; /* remove blur */
}

/* specific container adjustments */
.nav-container {
    text-align: center;
    margin-bottom: 1rem;
    border-bottom-width: calc(var(--border-width) * 2); /* thicker bottom border */
}

/* nav container content */
.nav-container h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem; /* larger heading font */
    color: var(--foreground);
    margin-bottom: 0.5rem;
    display: inline-block; /* necessary for cursor alignment */
    position: relative;
}

.nav-container h1 .highlight {
    color: var(--primary); /* indian red */
}

/* blinking cursor animation */
.cursor {
    display: inline-block;
    background-color: var(--foreground);
    width: 0.7ch; /* character width */
    height: 1em; /* character height */
    margin-left: 0.2ch;
    animation: blink 1s step-end infinite;
    vertical-align: baseline; /* align with text */
}

@keyframes blink {
    from, to { background-color: transparent; }
    50% { background-color: var(--foreground); }
}

.nav-container p {
    color: var(--comment); /* comment style */
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.contact {
    margin-top: 1rem;
}

.contact p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--foreground);
}

.contact a,
.work-item a,
.footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.1s linear, color 0.1s linear; /* faster transition */
    padding: 0.1em 0.3em; /* slight padding for hover effect */
    display: inline-block; /* ensure padding works */
}

.contact a:hover,
.work-item a:hover,
.footer a:hover {
    background-color: var(--primary);
    color: var(--background); /* invert colors on hover */
    text-decoration: none;
}

/* main content */
.content {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* section headers */
#work h2, #about h2, .languages h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    text-align: left; /* align left */
    margin-bottom: 1.5rem;
    color: var(--primary); /* indian red */
    border-bottom: var(--border-width) dashed var(--secondary); /* dashed underline */
    padding-bottom: 0.3rem;
    display: inline-block; /* fit content width */
}

/* work section */
.work-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

/* work item style */
.terminal-item {
    border: var(--border-width) solid var(--secondary); /* darker border */
    padding: 1rem;
    background-color: transparent; /* no separate bg */
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 160px;
    transition: border-color 0.1s linear; /* faster transition */
}

.terminal-item:hover {
    border-color: var(--primary); /* highlight border on hover */
    background-color: rgba(var(--primary), 0.05); /* very subtle bg tint */
}

.work-item h3 {
    margin-bottom: 0.5rem;
    color: var(--foreground);
    font-size: 1.1rem;
    font-weight: bold;
    font-family: var(--font-body); /* use body font for consistency */
}

.work-item p {
    color: var(--comment); /* comment style */
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    flex-grow: 1;
}

.work-item a {
    margin-top: auto;
    align-self: flex-start; /* align link left */
}

/* languages used icons */
.languages-used {
    margin-bottom: 0.8rem;
    font-size: 1.6rem; /* slightly smaller icons */
    color: var(--foreground); /* match text color */
    display: flex;
    justify-content: flex-start; /* align left */
    gap: 0.5rem;
}

.languages-used i:hover {
    color: var(--primary); /* highlight on hover */
}


/* about section */
#about p {
    line-height: 1.6;
    color: var(--foreground);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

#about p > .highlight { /* style highlight within paragraph */
    color: var(--primary);
    font-weight: bold;
}

/* languages & tools icons */
.languages {
    margin-top: 1.5rem;
}

.languages ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start; /* align left */
    gap: 1rem;
    padding: 0;
}

.languages li {
    display: inline-block;
}

.languages i {
    font-size: 2rem; /* adjust size */
    color: var(--foreground);
    transition: color 0.1s linear;
}

.languages i:hover {
    color: var(--primary);
}

/* footer */
.footer {
    text-align: center;
    padding: 1rem 0;
    font-size: 0.85rem;
    border-top: var(--border-width) solid var(--secondary);
    margin-top: 2rem;
    width: 100%;
    color: var(--comment); /* comment style */
}

.footer a {
    margin: 0 0.3em;
}

/* fade-in animation (keep for now) */
.fade-in {
  animation: fadeInAnimation 0.5s ease-out forwards;
  opacity: 0;
}

@keyframes fadeInAnimation {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

#work.fade-in {
    animation-delay: 0.1s;
}
#about.fade-in {
    animation-delay: 0.2s;
}


/* responsive */
@media (max-width: 768px) {
    body {
        padding: 1rem 0.5rem; /* reduce padding */
    }

    .split-layout {
        max-width: 100%; /* full width */
    }

    .nav-container h1 {
        font-size: 2.5rem; /* adjust size */
    }

    #work h2, #about h2, .languages h3 {
        font-size: 1.5rem; /* adjust size */
    }

    .work-list {
        grid-template-columns: 1fr; /* single column */
    }

    .languages ul {
        gap: 0.8rem;
    }

    .languages i {
        font-size: 1.8rem;
    }
}