:root {
    --bg:       #0d1117;
    --bg2:      #161b22;
    --bg3:      #1c2128;
    --border:   #30363d;
    --green:    #39d353;
    --green2:   #23a956;
    --cyan:     #79c0ff;
    --yellow:   #e3b341;
    --red:      #f85149;
    --purple:   #bc8cff;
    --orange:   #ffa657;
    --text:     #c9d1d9;
    --text-dim: #6e7681;
    --white:    #f0f6fc;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    line-height: 1.7;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, .06) 2px,
        rgba(0, 0, 0, .06) 4px
    );
    pointer-events: none;
    z-index: 9999;
}

#topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 46px;
}

.window-dots {
    display: flex;
    gap: 7px;
    align-items: center;
}

.dot {
    width: 13px;
    height: 13px;
    border-radius: 50%;
}
.dot-red    { background: var(--red); }
.dot-yellow { background: var(--yellow); }
.dot-green  { background: var(--green); }

.window-title {
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: .05em;
}

#lang-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--white);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    padding: 5px 14px;
    border-radius: 20px;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    letter-spacing: .04em;
    white-space: nowrap;
}
#lang-toggle:hover {
    border-color: var(--cyan);
    background: rgba(121, 192, 255, .08);
}
#lang-label {
    color: var(--cyan);
    font-weight: 700;
}
.lang-divider {
    color: var(--border);
    font-size: 11px;
}
#lang-other {
    color: var(--text-dim);
    font-size: 11px;
}
#flag-other { font-size: 13px; opacity: .55; }

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem 6rem;
}

.section { margin-bottom: 3.5rem; }

.prompt-line {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    column-gap: 0;
}
.prompt-user   { color: var(--green);    font-weight: 700; }
.prompt-at     { color: var(--text-dim); }
.prompt-host   { color: var(--cyan);     font-weight: 600; }
.prompt-colon  { color: var(--text-dim); }
.prompt-path   { color: var(--purple);   }
.prompt-dollar { color: var(--text-dim); margin: 0 .4rem; }
.prompt-cmd    { color: var(--white);    font-weight: 500; }

.term-box {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}
.term-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green2), var(--cyan), var(--purple));
    opacity: .7;
}

#hero { padding: 3rem 0 2rem; }

.ascii-art {
    color: var(--green);
    font-size: 13px;
    line-height: 1.25;
    white-space: pre;
    overflow-x: auto;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp .8s .1s ease forwards;
    font-family: 'JetBrains Mono', monospace;
}

.hero-info {
    opacity: 0;
    animation: fadeUp .8s .4s ease forwards;
}

.hero-name {
    font-size: clamp(1.4rem, 4vw, 2rem);
    color: var(--white);
    font-weight: 700;
    letter-spacing: .02em;
}
.prompt-gt { color: var(--green); }

.hero-title {
    color: var(--cyan);
    font-size: .95rem;
    margin-top: .3rem;
}

.hero-meta {
    color: var(--text-dim);
    font-size: .82rem;
    margin-top: .6rem;
}
.hero-meta .hl-yellow { color: var(--yellow); }

.nav-section {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp .8s .7s ease forwards;
}

.nav-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: .78rem;
    padding: 5px 14px;
    border-radius: 4px;
    cursor: pointer;
    transition: all .2s;
    letter-spacing: .04em;
}
.nav-btn:hover, .nav-btn.active {
    border-color: var(--green);
    color: var(--green);
}

.status-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: .8rem 1.2rem;
    font-size: .78rem;
    margin-bottom: 2rem;
}
.status-item { display: flex; align-items: center; gap: .4rem; }
.status-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: .4; }
}
.status-label { color: var(--text-dim); }
.status-val   { color: var(--white); }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.skill-group {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    transition: border-color .2s;
}
.skill-group:hover { border-color: var(--green2); }

.skill-group-title {
    color: var(--yellow);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: .7rem;
    display: flex;
    align-items: center;
    gap: .4rem;
}

.skill-tag {
    display: inline-block;
    background: rgba(57, 211, 83, .08);
    border: 1px solid rgba(57, 211, 83, .25);
    color: var(--green);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: .75rem;
    margin: 2px 3px 2px 0;
    transition: all .15s;
}
.skill-tag:hover { background: rgba(57, 211, 83, .18); }

.skill-tag.cyan {
    background: rgba(121, 192, 255, .08);
    border-color: rgba(121, 192, 255, .25);
    color: var(--cyan);
}
.skill-tag.purple {
    background: rgba(188, 140, 255, .08);
    border-color: rgba(188, 140, 255, .25);
    color: var(--purple);
}
.skill-tag.orange {
    background: rgba(255, 166, 87, .08);
    border-color: rgba(255, 166, 87, .25);
    color: var(--orange);
}

.exp-item {
    border-left: 2px solid var(--border);
    padding-left: 1.25rem;
    margin-bottom: 2rem;
    position: relative;
    transition: border-color .2s;
}
.exp-item:hover { border-color: var(--green2); }
.exp-item::before {
    content: '▶';
    position: absolute;
    left: -10px; top: 2px;
    color: var(--green);
    font-size: 10px;
}

.exp-title   { color: var(--white);    font-weight: 700; font-size: 1rem; }
.exp-company { color: var(--cyan);     font-size: .87rem; }
.exp-period  { color: var(--text-dim); font-size: .78rem; margin-bottom: .6rem; }

.exp-bullets { list-style: none; }
.exp-bullets li {
    color: var(--text);
    font-size: .83rem;
    line-height: 1.65;
    padding-left: 1.2em;
    position: relative;
}
.exp-bullets li::before {
    content: '$';
    position: absolute;
    left: 0;
    color: var(--green2);
    font-weight: 700;
}

.about-text {
    color: var(--text);
    font-size: .85rem;
    line-height: 1.85;
}
.about-text .hl-green  { color: var(--green);  font-weight: 600; }
.about-text .hl-cyan   { color: var(--cyan);   }
.about-text .hl-yellow { color: var(--yellow); }

.contact-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.contact-item {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: .65rem 1.1rem;
    display: flex;
    align-items: center;
    gap: .55rem;
    font-size: .82rem;
    color: var(--text);
    text-decoration: none;
    transition: all .2s;
}
.contact-item:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    transform: translateY(-2px);
}
.contact-item .icon { font-size: 1rem; }

footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem;
    text-align: center;
    color: var(--text-dim);
    font-size: .75rem;
}
footer span { color: var(--green); }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .5s ease, transform .5s ease;
}
.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.hl-green  { color: var(--green);  font-weight: 600; }
.hl-cyan   { color: var(--cyan);   }
.hl-yellow { color: var(--yellow); }

@media (max-width: 600px) {
    .ascii-art { font-size: 8px; }
    .skills-grid { grid-template-columns: 1fr; }
    .window-title { display: none; }
    #lang-toggle { font-size: 12px; padding: 4px 10px; }
}