/* ═══════════════════════════════════════════
   VSG Portfolio — Retro Terminal CSS
   Dark theme, CRT aesthetic, modern execution
   ═══════════════════════════════════════════ */

/* ── Variables ── */
:root {
    --bg-0: #1e1e2e;
    --bg-1: #181825;
    --bg-2: #313244;
    --bg-3: #45475a;
    --bg-card: #11111b;

    --green: #89b4fa;
    --green-dim: #585b70;
    --green-glow: rgba(137, 180, 250, 0.15);
    --amber: #cba6f7;
    --amber-dim: #7f849c;
    --red-dot: #f38ba8;
    --yellow-dot: #f9e2af;
    --green-dot: #a6e3a1;

    --text-1: #cdd6f4;
    --text-2: #9399b2;
    --text-3: #6c7086;
    --text-inv: #1e1e2e;

    --border: #313244;
    --border-bright: #45475a;

    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --font-display: 'Orbitron', monospace;
    --font-body: 'JetBrains Mono', 'Courier New', monospace;

    --max-w: 1200px;
    --nav-h: 60px;
    --radius: 2px;
    --transition: 0.2s ease;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-0);
    color: var(--text-1);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: crosshair;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
code { font-family: var(--font-mono); }

/* ── CRT Effects ── */
.scanlines {
    position: fixed;
    inset: 0;
    z-index: 9998;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.08) 2px,
        rgba(0, 0, 0, 0.08) 4px
    );
}

.crt-flicker {
    position: fixed;
    inset: 0;
    z-index: 9997;
    pointer-events: none;
    animation: crtFlicker 0.15s infinite;
    background: rgba(57, 255, 110, 0.01);
}

.noise {
    position: fixed;
    inset: -200px;
    z-index: 9996;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    animation: noiseAnim 0.5s steps(2) infinite;
}

@keyframes crtFlicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.97; }
}

@keyframes noiseAnim {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-5%, -5%); }
    50% { transform: translate(5%, 5%); }
    75% { transform: translate(-3%, 3%); }
    100% { transform: translate(3%, -3%); }
}

/* ── Container ── */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-h);
    z-index: 1000;
    background: rgba(10, 10, 15, 0.92);
    border-bottom: 1px solid var(--border-bright);
    backdrop-filter: blur(4px);
}

.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--green);
    letter-spacing: 0.1em;
    text-shadow: 0 0 12px var(--green-glow);
}

.logo-bracket { color: var(--text-3); }

.nav-status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-3);
    letter-spacing: 0.1em;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.nav-menu {
    display: flex;
    gap: 0;
    margin-left: auto;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--text-3);
    padding: 0.5rem 1rem;
    transition: color var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-link::before {
    content: attr(data-index);
    font-size: 0.6rem;
    color: var(--text-3);
    transition: color var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--green);
}
.nav-link:hover::before, .nav-link.active::before {
    color: var(--green-dim);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: auto;
}
.menu-toggle span {
    width: 22px;
    height: 1px;
    background: var(--green);
    transition: all 0.3s ease;
    display: block;
}

.lang-toggle {
    background: none;
    border: 1px solid var(--border-bright);
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    border-radius: var(--radius);
    transition: all var(--transition);
    white-space: nowrap;
}
.lang-toggle:hover {
    border-color: var(--green);
    color: var(--green);
}

/* ── Section base ── */
.section { padding: 6rem 0; }
.section-alt { background: var(--bg-1); }

.section-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.sh-index {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--green-dim);
    letter-spacing: 0.2em;
}

.sh-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-1);
}

.title-cursor {
    color: var(--green);
    animation: blink 1.2s step-end infinite;
}

.sh-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-bright) 0%, transparent 100%);
}

/* ── Reveal animations ── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-child {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-child.visible { opacity: 1; transform: translateY(0); }

/* ── Hero ── */
.hero {
    min-height: 100vh;
    padding-top: var(--nav-h);
    display: flex;
    align-items: center;
    position: relative;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(137,180,250,0.04) 0%, transparent 60%),
        var(--bg-0);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 4rem;
    width: 100%;
}

.hero-top-bar {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-3);
    letter-spacing: 0.2em;
    margin-bottom: 2.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.hero-prefix {
    margin-bottom: 0.75rem;
}

.prefix-line {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--green-dim);
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 900;
    letter-spacing: 0.05em;
    line-height: 1.1;
    color: var(--text-1);
    margin-bottom: 1.25rem;
    text-shadow: 0 0 30px rgba(57,255,110,0.1);
}

.cursor-blink {
    color: var(--green);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-role {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    margin-bottom: 2rem;
    color: var(--text-2);
}

.role-label { color: var(--text-3); font-size: 0.85rem; }

.hero-typewriter {
    color: var(--green);
    font-size: 1rem;
}

.type-cursor {
    color: var(--green);
    animation: blink 0.7s step-end infinite;
}

.hero-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem 2rem;
    margin-bottom: 2.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.meta-item { display: flex; gap: 0.5rem; align-items: center; }
.meta-key { color: var(--text-3); letter-spacing: 0.1em; min-width: 2.5rem; }
.meta-sep { color: var(--border-bright); }
.meta-val { color: var(--text-2); }
.status-green { color: var(--green); }

/* Terminal callout */
.terminal-callout {
    background: var(--bg-2);
    border: 1px solid var(--border-bright);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 2.5rem;
    max-width: 540px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5), inset 0 0 30px rgba(57,255,110,0.02);
}

.tc-bar {
    background: var(--bg-3);
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.tc-dots { display: flex; gap: 0.4rem; }
.tcd { width: 11px; height: 11px; border-radius: 50%; }
.tcd.red { background: var(--red-dot); }
.tcd.yellow { background: var(--yellow-dot); }
.tcd.green { background: var(--green-dot); }

.tc-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-3);
    letter-spacing: 0.1em;
}

.tc-body {
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
}

.tc-prompt { color: var(--green); font-size: 1rem; font-weight: bold; }
.tc-cmd { color: var(--text-1); font-size: 0.9rem; flex: 1; }

.copy-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-3);
    cursor: pointer;
    padding: 0.3rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    transition: all var(--transition);
}
.copy-btn:hover { border-color: var(--green); color: var(--green); }

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--green);
    color: var(--bg-0);
    border-color: var(--green);
    font-weight: bold;
}
.btn-primary:hover {
    background: transparent;
    color: var(--green);
    box-shadow: 0 0 16px var(--green-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text-2);
    border-color: var(--border-bright);
}
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

/* ASCII Art */
.hero-ascii {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ascii-art {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    line-height: 1.2;
    color: var(--green-dim);
    white-space: pre;
    text-shadow: 0 0 8px rgba(57,255,110,0.3);
    opacity: 0.7;
}

/* ── About ── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.bio-block { position: relative; }
.bio-text {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-2);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}
.bio-text:last-child { margin-bottom: 0; }

.skills-block {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sk-cat-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--text-3);
    margin-bottom: 0.6rem;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.stag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-2);
    background: var(--bg-2);
    transition: all var(--transition);
    cursor: default;
}
.stag:hover {
    border-color: var(--green-dim);
    color: var(--green);
    background: var(--bg-3);
}
.stag.highlight {
    border-color: var(--green-dim);
    color: var(--green);
    background: rgba(57,255,110,0.06);
}

/* Stat strip */
.stat-strip {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 2rem;
    border: 1px solid var(--border-bright);
    background: var(--bg-2);
    gap: 1rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--green);
    line-height: 1;
    text-shadow: 0 0 20px var(--green-glow);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--text-3);
}

.stat-div {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--border-bright);
}

/* ── Timeline ── */
.timeline {
    position: relative;
    padding-left: 5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 3.5rem;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--green-dim) 0%, var(--border) 80%, transparent 100%);
}

.tl-item {
    display: grid;
    grid-template-columns: 5rem 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    margin-left: -5rem;
    position: relative;
}

.tl-left {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding-top: 0.4rem;
    gap: 0.5rem;
    position: relative;
}

.tl-year {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-3);
    letter-spacing: 0.1em;
}

.tl-node {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    border: 2px solid var(--bg-0);
    box-shadow: 0 0 8px var(--green);
    margin-right: -0.25rem;
    position: absolute;
    right: -0.5rem;
    top: 1.8rem;
}

.tl-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: all var(--transition);
    position: relative;
}

.tl-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: transparent;
    transition: background var(--transition);
    border-radius: var(--radius) 0 0 var(--radius);
}

.tl-item:hover .tl-card {
    border-color: var(--border-bright);
    background: var(--bg-2);
}
.tl-item:hover .tl-card::before { background: var(--green-dim); }

.tl-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.tl-role {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-1);
    margin-bottom: 0.25rem;
}

.tl-company {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--green);
    letter-spacing: 0.1em;
}

.tl-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--text-3);
    border: 1px solid var(--border);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius);
    white-space: nowrap;
}

.tl-points {
    list-style: none;
    margin-bottom: 1.25rem;
}
.tl-points li {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--text-2);
    line-height: 1.7;
    padding-left: 1rem;
    position: relative;
    margin-bottom: 0.35rem;
}
.tl-points li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--green-dim);
    font-family: var(--font-mono);
}

.tl-points mark {
    background: none;
    color: var(--text-1);
    font-weight: 500;
}

.tl-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tl-tags span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    color: var(--text-3);
    border: 1px solid var(--border);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius);
    background: var(--bg-0);
}

/* ── Projects carousel (Swiper overrides) ── */
.projects-swiper {
    padding-bottom: 3rem !important;
}

.projects-swiper .proj-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.projects-swiper .proj-card-inner {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.projects-swiper .proj-desc {
    flex: 1;
}

.swiper-pagination-bullet {
    background: var(--border-bright);
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background: var(--green);
    box-shadow: 0 0 6px var(--green-glow);
}

.swiper-button-prev,
.swiper-button-next {
    color: var(--text-3);
    transition: color var(--transition);
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
    color: var(--green);
}

.swiper-button-prev::after,
.swiper-button-next::after {
    font-size: 1.2rem;
}

.proj-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.proj-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(57,255,110,0.04) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}

.proj-card:hover {
    border-color: var(--green-dim);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.5), 0 0 0 1px var(--green-dim);
}

.proj-card:hover::after { opacity: 1; }

.proj-card.featured {
    border-color: var(--border-bright);
}

.proj-card.patent { border-color: rgba(255,179,71,0.3); }
.proj-card.patent:hover { border-color: var(--amber); box-shadow: 0 8px 24px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,179,71,0.5); }

.proj-card-inner { padding: 1.75rem; }

.proj-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.proj-index {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-3);
    letter-spacing: 0.15em;
}

.proj-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--green);
    border: 1px solid var(--green-dim);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius);
    background: rgba(57,255,110,0.06);
}
.proj-badge.patented {
    color: var(--amber);
    border-color: var(--amber-dim);
    background: rgba(255,179,71,0.06);
}

.proj-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--text-1);
    margin-bottom: 0.75rem;
    transition: color var(--transition);
}
.proj-card:hover .proj-title { color: var(--green); }

.proj-desc {
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}
.proj-desc code {
    color: var(--green-dim);
    font-size: 0.8rem;
}

.proj-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1.25rem; }
.proj-tags span {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--text-3);
    border: 1px solid var(--border);
    padding: 0.15rem 0.45rem;
    border-radius: var(--radius);
    background: var(--bg-0);
}

.proj-arrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--text-3);
    transition: color var(--transition);
}
.proj-card:hover .proj-arrow { color: var(--green); }

/* ── Contact ── */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 4rem;
    align-items: start;
}

.contact-headline {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    color: var(--text-1);
}

.hl-green {
    color: var(--green);
    text-shadow: 0 0 20px var(--green-glow);
}

.contact-sub {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.8;
}

.contact-terminal {
    background: var(--bg-card);
    border: 1px solid var(--border-bright);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5), inset 0 0 40px rgba(57,255,110,0.02);
}

.ct-bar {
    background: var(--bg-3);
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.ct-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.ct-line {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-top: 0.5rem;
}

.ct-prompt { color: var(--green); font-family: var(--font-mono); font-size: 0.85rem; }
.ct-cmd { color: var(--text-2); font-family: var(--font-mono); font-size: 0.82rem; }

.ct-result {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-1);
    padding-left: 1.3rem;
    transition: color var(--transition);
}
.ct-result.link:hover { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }

.ct-cursor-blink {
    color: var(--green);
    font-family: var(--font-mono);
    animation: blink 1s step-end infinite;
}

.blink-line { margin-top: 0.75rem; }

/* ── Footer ── */
.footer {
    background: var(--bg-0);
    border-top: 1px solid var(--border);
    padding: 1.5rem 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--green-dim);
    letter-spacing: 0.1em;
}

.footer-copy, .footer-sys {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-3);
    letter-spacing: 0.08em;
}

/* ── Responsive ── */
@media (max-width: 960px) {
    .hero .container { grid-template-columns: 1fr; }
    .hero-ascii { display: none; }
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .nav-status { display: none; }

    .nav-menu {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: var(--bg-0);
        flex-direction: column;
        padding: 2rem;
        gap: 0;
        transform: translateY(-120%);
        transition: transform 0.3s ease;
        border-bottom: 1px solid var(--border-bright);
        z-index: 999;
    }
    .nav-menu.open { transform: translateY(0); }
    .nav-link { font-size: 0.9rem; padding: 0.75rem 0; border-bottom: 1px solid var(--border); }

    .hero-meta-grid { grid-template-columns: 1fr; }
    .hero-name { font-size: 1.8rem; }

    .timeline { padding-left: 2rem; }
    .timeline::before { left: 0.5rem; }
    .tl-item { grid-template-columns: 2rem 1fr; margin-left: -2rem; gap: 1rem; }
    .tl-year { display: none; }
    .tl-node { right: -0.75rem; top: 0.5rem; }

    .stat-strip { flex-direction: column; gap: 1.5rem; }
    .stat-div { display: none; }
    .stat-num { font-size: 2rem; }
    .sh-title { font-size: 1.2rem; }
    .lang-toggle { padding: 0.2rem 0.4rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .tc-body { flex-wrap: wrap; }
    .terminal-callout { max-width: 100%; }
    .hero-cta { flex-direction: column; }
    .btn { justify-content: center; }
    .lang-toggle { padding: 0.15rem 0.3rem; font-size: 0.6rem; }
}