:root {
    --green: #33ff66;
    --green-dim: #1fa847;
    --green-faint: #0d4d22;
    --screen: #050805;
    --bezel: #2b2a26;
    --bezel-hi: #44423c;
    --bezel-lo: #161512;
    --glow: 0 0 2px var(--green), 0 0 8px rgba(51, 255, 102, .45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: #000;
    color: var(--green);
    font-family: "VT323", "IBM Plex Mono", "DejaVu Sans Mono", "Courier New", monospace;
    font-size: 17px;
    line-height: 1.5;
}

a { color: var(--green); text-shadow: var(--glow); }
a:hover, a:focus { background: var(--green); color: var(--screen); text-shadow: none; outline: none; }

/* ---- top menu, styled as a terminal status bar ---- */
nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    flex-wrap: wrap;
    gap: .25rem 1.5rem;
    justify-content: space-between;
    padding: .5rem 1.25rem;
    background: var(--screen);
    border-bottom: 1px solid var(--green-faint);
    text-shadow: var(--glow);
}
nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0 1.25rem; }
nav a { text-decoration: none; text-transform: uppercase; }
nav a::before { content: "["; color: var(--green-dim); }
nav a::after { content: "]"; color: var(--green-dim); }

/* menu button, only shown on narrow screens when JS is available */
.menu-btn {
    display: none;
    padding: 0;
    font: inherit;
    color: var(--green);
    text-transform: uppercase;
    text-shadow: var(--glow);
    background: none;
    border: 0;
    cursor: pointer;
}
.menu-btn::before { content: "["; color: var(--green-dim); }
.menu-btn::after { content: "]"; color: var(--green-dim); }
.menu-btn:hover, .menu-btn:focus-visible { background: var(--green); color: var(--screen); text-shadow: none; outline: none; }
.menu-btn:hover::before, .menu-btn:hover::after,
.menu-btn:focus-visible::before, .menu-btn:focus-visible::after { color: var(--screen); }

@media (max-width: 720px) {
    nav { align-items: center; padding: .6rem 1rem; }
    .js .menu-btn { display: inline-block; }
    nav ul { flex-basis: 100%; flex-direction: column; }
    .js nav ul:not(.open) { display: none; }
    nav li a { display: block; padding: .65rem .25rem; }
    nav li:first-child a { margin-top: .4rem; }
    nav li + li { border-top: 1px dashed var(--green-faint); }
    nav ul.open { max-height: calc(100vh - 3.5rem); overflow-y: auto; }
}

main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1rem 1rem;
}

/* ---- the monitor: bezel + curved CRT screen ---- */
.monitor {
    margin: 0 auto 3.5rem;
    padding: 2.2rem 2.2rem 3.2rem;
    border-radius: 22px;
    background: linear-gradient(145deg, var(--bezel-hi), var(--bezel) 40%, var(--bezel-lo));
    box-shadow: inset 0 2px 1px rgba(255, 255, 255, .08), inset 0 -3px 6px rgba(0, 0, 0, .6),
		0 18px 30px rgba(0, 0, 0, .8);
    position: relative;
    scroll-margin-top: 4rem;
}

/* badge + power LED on the lower bezel */
.monitor::before {
    content: attr(data-model);
    position: absolute;
    left: 2.4rem;
    bottom: 1rem;
    font-size: .8rem;
    letter-spacing: .2em;
    color: #8a877c;
    text-shadow: none;
}
.monitor::after {
    content: "";
    position: absolute;
    right: 2.4rem;
    bottom: 1.25rem;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
}

.screen {
    position: relative;
    overflow: hidden;
    padding: 1.75rem 2rem;
    min-height: 12rem;
    border-radius: 18px / 26px;
    background: radial-gradient(ellipse at center, #0a140b 0%, var(--screen) 75%);
    box-shadow: inset 0 0 40px rgba(0, 0, 0, .95), inset 0 0 8px rgba(51, 255, 102, .15),
		0 0 0 3px #0b0b0a;
    text-shadow: var(--glow);
    animation: flicker 6s infinite;
}

/* scanlines */
.screen::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 2px,
					  rgba(0, 0, 0, .35) 3px);
    z-index: 2;
}

/* slowly rolling refresh bar */
.screen::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -30%;
    height: 30%;
    pointer-events: none;
    background: linear-gradient(to bottom, transparent, rgba(51, 255, 102, .05), transparent);
    animation: roll 7s linear infinite;
    z-index: 3;
}

@keyframes roll { to { top: 130%; } }
@keyframes flicker {
    0%, 96%, 100% { opacity: 1; }
    97% { opacity: .92; }
    98% { opacity: 1; }
    99% { opacity: .95; }
}
@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
    .screen, .screen::after, .cursor { animation: none; }
    html { scroll-behavior: auto; }
}

/* ---- text inside the screens ---- */
h1, h2, h3, h4, p { margin: 0; font-weight: normal; }
h1 { font-size: 2.4rem; line-height: 1.15; text-transform: uppercase; margin: .4rem 0 1rem; }
h2 { font-size: 1.6rem; text-transform: uppercase; }
h2::before { content: "> "; color: var(--green-dim); }
.sub { color: var(--green-dim); margin-bottom: 1.25rem; }
.prompt { color: var(--green-dim); }
.prompt::before { content: "@pehrs.com:~$ "; }
.cursor {
    display: inline-block;
    width: .6em;
    height: 1.1em;
    vertical-align: text-bottom;
    background: var(--green);
    box-shadow: var(--glow);
    animation: blink 1s steps(1) infinite;
}
pre { margin: 0 0 1rem; font: inherit; white-space: pre; overflow-x: auto; }
.ascii { font-size: clamp(6px, 1.6vw, 15px); line-height: 1.1; }

.links { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin-top: 1rem; }
.links a { text-decoration: none; }
.links a::before { content: "<"; }
.links a::after { content: ">"; }

/* services */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }
.card { border: 1px dashed var(--green-faint); padding: .9rem 1rem; }
.card h3 { font-size: 1.2rem; text-transform: uppercase; margin-bottom: .35rem; }
.card h3::before { content: "* "; color: var(--green-dim); }

/* technologies, as a directory listing */
details { border-top: 1px dashed var(--green-faint); padding: .35rem 0; }
details:last-of-type { border-bottom: 1px dashed var(--green-faint); }
summary { cursor: pointer; list-style: none; display: flex; gap: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "[+]"; color: var(--green-dim); }
details[open] summary::before { content: "[-]"; }
summary:hover, summary:focus { background: var(--green); color: var(--screen); text-shadow: none; outline: none; }
summary:hover::before, summary:focus::before { color: var(--screen); }
summary .name { flex: 1; text-transform: uppercase; }
summary .since { color: var(--green-dim); }
summary:hover .since, summary:focus .since { color: var(--screen); }
details p { padding: .4rem 0 .4rem 2.6rem; color: var(--green-dim); }

/* about, as a log */
.log { list-style: none; margin: 0; padding: 0; }
.log li { display: grid; grid-template-columns: 9.5em 1fr; gap: 0 1rem; padding: .6rem 0;
	  border-bottom: 1px dashed var(--green-faint); }
.log li:last-child { border-bottom: 0; }
.log .when { color: var(--green-dim); }
.log .when::before { content: "["; }
.log .when::after { content: "]"; }
.log h3 { font-size: 1.1rem; text-transform: uppercase; }
.log p { color: var(--green-dim); }

footer { text-align: center; color: var(--green-dim); padding: 0 1rem 2rem; font-size: .95rem; }
footer p { margin: .25rem 0; }

@media (max-width: 600px) {
    body { font-size: 15px; }
    .monitor { padding: 1rem 1rem 2.6rem; border-radius: 14px; }
    .monitor::before { left: 1.2rem; bottom: .7rem; }
    .monitor::after { right: 1.2rem; bottom: .95rem; }
    .screen { padding: 1.2rem 1rem; }
    h1 { font-size: 1.7rem; }
    .log li { grid-template-columns: 1fr; }
}

@media print {
    body { background: #fff; color: #000; }
    nav { display: none; }
    .monitor { background: none; box-shadow: none; padding: 0; }
    .monitor::before, .monitor::after, .screen::before, .screen::after { display: none; }
    .screen { background: none; box-shadow: none; text-shadow: none; animation: none; border: 1px solid #000; }
    a, .sub, .prompt, .log p, .log .when, details p { color: #000; text-shadow: none; }
    details p { display: block; }
}
pre {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

pre::-webkit-scrollbar {
    display: none; /* Chrome, Safari, and Opera */
}