/* =============================================================
   DC205 — DEF CON Group 205 // Birmingham, AL
   Aesthetic: Late 90s terminal / phosphor CRT
   Fonts: VT323 (display) + Share Tech Mono (body/code)
   No framework. No build step. Pure CSS.
   ============================================================= */

/* ─────────────────────────────────────────────
   CSS CUSTOM PROPERTIES
   ───────────────────────────────────────────── */
:root {
  /* Core phosphor green palette — 
     three levels of brightness to simulate CRT glow depth */
  --green-bright:   #00ff41;   /* active/highlight */
  --green-mid:      #00cc33;   /* body text */
  --green-dim:      #005c16;   /* de-emphasized, borders */
  --green-glow:     #00ff4133; /* translucent for box shadows */

  /* Amber accent — classic dumb terminal second color */
  --amber:          #ffb300;
  --amber-dim:      #664800;

  /* Backgrounds */
  --bg-black:       #000000;
  --bg-deep:        #010a01;   /* very slightly green-tinted */
  --bg-panel:       #050f05;   /* card/section alt bg */
  --bg-terminal:    #000000;

  /* Text */
  --text-primary:   var(--green-mid);
  --text-bright:    var(--green-bright);
  --text-dim:       #336633;

  /* Typography */
  --font-display:   'VT323', monospace;        /* big headers, ASCII art */
  --font-mono:      'Share Tech Mono', monospace; /* everything else */

  /* Sizing */
  --max-width:      1100px;
  --section-pad:    clamp(3rem, 6vw, 6rem);
  --border-green:   1px solid var(--green-dim);
}

/* ─────────────────────────────────────────────
   RESET & BASE
   ───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  /* Offset anchors so fixed header doesn't cover them */
  scroll-padding-top: 5rem;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.7;
  /* Subtle phosphor green text glow — the secret ingredient */
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.25);
  overflow-x: hidden;
}

/* Selection colors */
::selection {
  background: var(--green-bright);
  color: var(--bg-black);
  text-shadow: none;
}

/* ─────────────────────────────────────────────
   CRT OVERLAY EFFECTS
   Purely decorative — the scanlines and flicker
   that make it feel like a real terminal
   ───────────────────────────────────────────── */

/* Scanlines — repeating horizontal stripes at 50% opacity */
.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
  /* Very subtle flicker animation */
  animation: crt-flicker 0.15s infinite;
}

@keyframes crt-flicker {
  0%   { opacity: 1; }
  92%  { opacity: 1; }
  93%  { opacity: 0.97; }
  94%  { opacity: 1; }
  95%  { opacity: 0.98; }
  96%  { opacity: 1; }
  100% { opacity: 1; }
}

/* Noise texture via SVG filter — adds film grain quality */
.noise-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.04;
  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");
  background-size: 256px 256px;
}

/* Vignette — darkens edges like a real CRT screen */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 998;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.6) 100%);
}

/* ─────────────────────────────────────────────
   TYPOGRAPHY
   ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

a {
  color: var(--green-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--green-dim);
  transition: color 0.1s, border-color 0.1s, text-shadow 0.1s;
}

a:hover, a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
  text-shadow: 0 0 12px rgba(255, 179, 0, 0.5);
  outline: none;
}

/* Focus ring for keyboard nav — visible but styled */
:focus-visible {
  outline: 2px solid var(--green-bright);
  outline-offset: 2px;
}

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ─────────────────────────────────────────────
   LAYOUT UTILITIES
   ───────────────────────────────────────────── */
.section-inner,
.header-inner,
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

/* ─────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.6em 1.4em;
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.05em;
  border: 1px solid var(--green-bright);
  cursor: pointer;
  text-decoration: none;
  border-bottom: 1px solid var(--green-bright); /* override link style */
  transition: background 0.1s, color 0.1s, box-shadow 0.1s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green-bright);
  color: var(--bg-black);
  text-shadow: none;
}

.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--bg-black);
  box-shadow: 0 0 20px rgba(255, 179, 0, 0.4);
  text-shadow: none;
}

.btn-secondary {
  background: transparent;
  color: var(--green-bright);
}

.btn-secondary:hover, .btn-secondary:focus-visible {
  background: var(--green-dim);
  box-shadow: 0 0 16px var(--green-glow);
  color: var(--green-bright);
  border-color: var(--green-bright);
}

.btn-sm {
  font-size: 0.85rem;
  padding: 0.4em 1em;
}

.btn-lg {
  font-size: 1.1rem;
  padding: 0.8em 2em;
}

/* ─────────────────────────────────────────────
   HEADER
   ───────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 5, 0, 0.92);
  border-bottom: var(--border-green);
  backdrop-filter: blur(2px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

/* Logo */
.logo {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: 0.1em;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-bracket { color: var(--green-dim); }
.logo-dc      { color: var(--green-bright); }
.logo-num     { color: var(--amber); }

/* Blinking block cursor after logo */
.logo-blink {
  display: inline-block;
  color: var(--green-bright);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

/* Nav */
.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem;
  list-style: none;
  align-items: center;
}

.main-nav a {
  display: block;
  padding: 0.3em 0.7em;
  font-size: 0.9rem;
  border-bottom: none;
  border: 1px solid transparent;
  transition: border-color 0.1s, color 0.1s, background 0.1s;
}

.main-nav a:hover, .main-nav a:focus-visible {
  border-color: var(--green-dim);
  background: var(--bg-panel);
  color: var(--green-bright);
  text-shadow: 0 0 10px var(--green-glow);
}

.nav-discord {
  color: var(--amber) !important;
  border-color: var(--amber-dim) !important;
}

.nav-discord:hover, .nav-discord:focus-visible {
  border-color: var(--amber) !important;
  background: rgba(255, 179, 0, 0.08) !important;
  color: var(--amber) !important;
}

/* Mobile nav toggle — hidden on desktop */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--green-dim);
  color: var(--green-mid);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.4em 0.8em;
  cursor: pointer;
}

/* ─────────────────────────────────────────────
   HERO
   ───────────────────────────────────────────── */
.hero {
  padding: var(--section-pad) 0;
  border-bottom: var(--border-green);
  position: relative;
  overflow: hidden;
}

/* Subtle grid lines behind hero — like graph paper on a CRT */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--green-dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--green-dim) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.08;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
  position: relative;
  z-index: 1;
}

/* Two-column hero layout: logo left, terminal right */
.hero-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

/* DC205 Logo — left column */
.hero-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  /* Subtle border frame to give the logo "a home" */
  padding: clamp(1rem, 2vw, 1.5rem);
  border: 1px solid var(--green-dim);
  background: rgba(0, 0, 0, 0.6);
  box-shadow:
    0 0 40px rgba(0, 255, 65, 0.06),
    inset 0 0 60px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

/* Corner accents — hacker-aesthetic framing */
.hero-logo::before,
.hero-logo::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--green-bright);
  border-style: solid;
}

.hero-logo::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.hero-logo::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.dc205-logo {
  width: 100%;
  max-width: 480px;
  height: auto;
  display: block;
  /* Scale up to crop the dark padding baked into the image */
  transform: scale(1.35);
  filter: drop-shadow(0 0 20px rgba(0, 255, 65, 0.2));
}

.hero-logo-tagline {
  font-family: var(--font-display);
  font-size: clamp(0.8rem, 1.2vw, 1rem);
  color: var(--green-dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  border-top: 1px solid var(--green-dim);
  padding-top: 0.75rem;
  width: 100%;
}

/* Right column — terminal + CTAs + badges */
.hero-content {
  min-width: 0; /* prevent grid blowout */
}

/* Terminal window component */
.hero-terminal {
  border: 1px solid var(--green-dim);
  margin-bottom: 2rem;
  /* CRT-style outer glow */
  box-shadow: 0 0 30px rgba(0, 255, 65, 0.08), inset 0 0 30px rgba(0, 0, 0, 0.5);
}

.terminal-bar {
  background: var(--green-dim);
  padding: 0.3em 0.8em;
  font-size: 0.85rem;
  color: var(--bg-black);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-shadow: none;
}

.terminal-bar::before {
  /* Traffic lights, but green on green — winking at the aesthetic */
  content: '● ● ●';
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: rgba(0, 0, 0, 0.5);
}

.terminal-body {
  padding: 1.2rem 1.5rem;
  background: var(--bg-terminal);
}

/* Typewriter prompt line */
.typewriter {
  margin-bottom: 1rem;
  font-size: 1rem;
}

.prompt { color: var(--green-bright); }

.typed-text {
  /* JS populates this — see script.js */
}

/* Blinking cursor */
.cursor {
  display: inline-block;
  color: var(--green-bright);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

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

/* MOTD lines — fade in one by one via JS */
.motd { font-size: 0.95rem; }

.motd-line {
  color: var(--text-dim);
  margin-bottom: 0.25rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.motd-line.visible { opacity: 1; }

.motd-highlight { color: var(--green-mid); }
.motd-highlight span { color: var(--amber); }

/* Hero CTAs */
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Badges */
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge {
  display: inline-block;
  padding: 0.2em 0.6em;
  font-size: 0.75rem;
  border: 1px solid var(--green-dim);
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ─────────────────────────────────────────────
   SECTIONS
   ───────────────────────────────────────────── */
.section {
  padding: var(--section-pad) 0;
  border-bottom: var(--border-green);
}

.section-alt {
  background: var(--bg-panel);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--green-bright);
  margin-bottom: 2rem;
  letter-spacing: 0.08em;
}

.prompt-char { color: var(--green-dim); }

/* ─────────────────────────────────────────────
   ABOUT
   ───────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: var(--border-green);
}

.stat-card {
  padding: 1.5rem 1rem;
  border: 1px solid transparent;
  text-align: center;
  border: var(--border-green);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--green-bright);
  text-shadow: 0 0 20px rgba(0, 255, 65, 0.4);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ─────────────────────────────────────────────
   EVENTS
   ───────────────────────────────────────────── */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--green-dim); /* gap becomes border */
  border: var(--border-green);
  margin-bottom: 1.5rem;
}

.event-card {
  background: var(--bg-panel);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.event-card.featured {
  background: #020e02;
  /* Subtle left border highlight for featured card */
  border-left: 3px solid var(--green-bright);
}

.event-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.event-tag {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.2em 0.5em;
  border: 1px solid var(--amber);
  color: var(--amber);
  text-shadow: none;
}

.event-date {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.event-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--green-bright);
}

.event-desc {
  font-size: 0.9rem;
  color: var(--green-mid);
  flex: 1;
}

.event-meta {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.events-footer {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ─────────────────────────────────────────────
   CTF
   ───────────────────────────────────────────── */
.ctf-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.ctf-intro { grid-column: 1 / -1; }

.subsection-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.category-list,
.resource-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cat-tag {
  display: inline-block;
  min-width: 80px;
  padding: 0.1em 0.4em;
  border: 1px solid var(--green-dim);
  color: var(--amber);
  font-size: 0.85rem;
  margin-right: 0.5rem;
  text-shadow: none;
}

/* ─────────────────────────────────────────────
   RESOURCES
   ───────────────────────────────────────────── */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.resource-category ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.resource-cat-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: var(--border-green);
}

/* ─────────────────────────────────────────────
   FAQ — Accordion
   ───────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: var(--border-green);
}

.faq-item {
  border-bottom: var(--border-green);
}

.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  color: var(--green-mid);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}

.faq-question:hover {
  background: var(--bg-panel);
  color: var(--green-bright);
}

.faq-question[aria-expanded="true"] {
  color: var(--green-bright);
  background: var(--bg-panel);
}

.faq-q-marker {
  color: var(--amber);
  flex-shrink: 0;
}

.faq-toggle {
  margin-left: auto;
  color: var(--green-dim);
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-question[aria-expanded="true"] .faq-toggle {
  transform: rotate(45deg);
  color: var(--green-bright);
}

.faq-answer {
  padding: 1rem 1.25rem 1rem 3.5rem;
  background: var(--bg-terminal);
  border-top: var(--border-green);
  font-size: 0.9rem;
  color: var(--green-mid);
  /* Not using `display: none` — using `hidden` attr in HTML, 
     removed by JS. Preserves animation potential. */
}

/* ─────────────────────────────────────────────
   CODE OF CONDUCT
   ───────────────────────────────────────────── */
.coc-preamble {
  margin-bottom: 1.5rem;
  color: var(--text-dim);
}

.coc-rules {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: var(--border-green);
}

.coc-rules li {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.25rem;
  border-bottom: var(--border-green);
  transition: background 0.1s;
}

.coc-rules li:last-child { border-bottom: none; }
.coc-rules li:hover { background: var(--bg-panel); }

.rule-marker {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--green-dim);
  flex-shrink: 0;
  line-height: 1;
  min-width: 2ch;
}

.coc-rules strong {
  color: var(--green-bright);
  display: block;
  margin-bottom: 0.25rem;
}

/* ─────────────────────────────────────────────
   JOIN CTA SECTION
   ───────────────────────────────────────────── */
.join-cta {
  padding: var(--section-pad) 0;
  text-align: center;
  background: var(--bg-panel);
}

.join-terminal {
  border: 1px solid var(--green-dim);
  max-width: 600px;
  margin: 0 auto 2rem;
  box-shadow: 0 0 40px rgba(0, 255, 65, 0.06);
  text-align: left;
}

.join-output {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  /* Each line fades in via JS */
  opacity: 0;
  animation: fade-in-line 0.3s ease forwards;
}

/* Each line has a different delay — see script.js for JS version */
.join-output:nth-child(2) { animation-delay: 0.5s; }
.join-output:nth-child(3) { animation-delay: 1.0s; }
.join-output:nth-child(4) { animation-delay: 1.5s; }
.join-output:nth-child(5) { animation-delay: 2.0s; }

@keyframes fade-in-line {
  to { opacity: 1; }
}

.join-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--green-bright);
  margin-bottom: 1.5rem;
  text-shadow: 0 0 30px rgba(0, 255, 65, 0.3);
}

.join-ctas {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ─────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────── */
.site-footer {
  padding: 2rem 0;
  border-top: var(--border-green);
  background: var(--bg-black);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--green-dim);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.footer-links a {
  padding: 0.2em 0.6em;
  font-size: 0.85rem;
  border: none;
  border-bottom: 1px solid transparent;
}

.footer-copy {
  width: 100%;
  font-size: 0.75rem;
  color: var(--text-dim);
  padding-top: 1rem;
  border-top: var(--border-green);
}

.footer-meta {
  color: #1a331a;
  margin-top: 0.5rem;
  /* Easter egg — dark green text that's visible only if you look */
}

/* ─────────────────────────────────────────────
   RESPONSIVE — MOBILE
   ───────────────────────────────────────────── */
@media (max-width: 768px) {

  /* Nav collapses */
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 5, 0, 0.98);
    border-bottom: var(--border-green);
    padding: 1rem;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    display: block;
    padding: 0.75em 1em;
    border-bottom: var(--border-green);
    border-right: none;
    border-top: none;
    border-left: none;
  }

  /* Layouts go single column */
  .about-grid,
  .ctf-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .ctf-intro { grid-column: auto; }

  /* Hero goes single column, logo centered on top */
  .hero-columns {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-logo {
    justify-self: center;
    max-width: 360px;
  }

  .dc205-logo {
    width: clamp(200px, 55vw, 320px);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
  }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ─────────────────────────────────────────────
   REDUCED MOTION — respect OS preference
   ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .cursor,
  .logo-blink,
  .crt-overlay,
  .join-output {
    animation: none;
    opacity: 1;
  }

  .motd-line {
    opacity: 1;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}