/* erdvyn.net: the brand's tube (brand/erdvyn-logo.mjs) and the launcher's phosphors (erdvyn_launcher_v2 Retro.java). */
@font-face { font-family: "VGA"; src: url("/fonts/PxPlus_IBM_VGA8.ttf") format("truetype"); font-display: swap; }

:root {
  /* brand */
  --bg: #071114; --tube: #16343a; --tube-edge: #0a1a1e; --paper: #f1ead8; --teal: #5ff2dc;
  /* Retro.java phosphors */
  --cyan: #48e8ec; --orange: #ff7e2e; --green: #58ff92; --amber: #ffbc38; --red: #ff4a52; --blue: #5c92ff; --violet: #c680ff; --yellow: #ffde48;
  --ph: var(--teal);
  --px: "VGA", ui-monospace, Consolas, monospace;
  --text: system-ui, "Segoe UI", Roboto, sans-serif;
  --soft: color-mix(in srgb, var(--paper) 74%, transparent);
  --line: color-mix(in srgb, var(--ph) 30%, transparent);
  --wrap: 1240px;
  color-scheme: dark;
}
[data-ph="cyan"] { --ph: var(--cyan); } [data-ph="red"] { --ph: var(--red); } [data-ph="orange"] { --ph: var(--orange); }
[data-ph="green"] { --ph: var(--green); } [data-ph="violet"] { --ph: var(--violet); } [data-ph="amber"] { --ph: var(--amber); }
[data-ph="blue"] { --ph: var(--blue); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; background: var(--bg); }
body { margin: 0; min-height: 100vh; color: var(--paper); font: 17px/1.65 var(--text); -webkit-font-smoothing: antialiased; overflow-x: hidden;
  background: radial-gradient(circle, rgba(95,242,220,.07) 1px, transparent 1.3px) 0 0 / 24px 24px, linear-gradient(var(--bg), #050c0e); }
a { color: var(--ph); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
.mono { font-family: var(--px); }
.dim { color: color-mix(in srgb, var(--paper) 50%, transparent); }
.fill { flex: 1; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px dashed var(--ph); outline-offset: 3px; }
.wrap { width: min(var(--wrap), 100% - 32px); margin: 0 auto; }
.wrap.narrow { --wrap: 980px; }

/* phosphor text: glow plus the red/blue chroma split of the logo */
.sec-h span, .lamp-row, .feat h3, .hero-line {
  text-shadow: 0 0 12px color-mix(in srgb, currentColor 55%, transparent), 2px 0 rgba(255,70,90,.4), -2px 0 rgba(70,130,255,.4); }

/* ---------------------------------------------------------------- header */
.top { position: sticky; top: 0; z-index: 20; background: rgba(7,17,20,.86); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(95,242,220,.18); }
.top-row { display: flex; align-items: center; gap: 22px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--paper); font: italic 900 22px/1 var(--text); letter-spacing: .12em; }
.brand img { width: 46px; height: 46px; }
.nav { display: flex; gap: 4px; margin-left: 12px; }
.nav a { padding: 8px 12px; font: 14px var(--px); letter-spacing: .08em; text-decoration: none; color: color-mix(in srgb, var(--paper) 70%, transparent); }
.nav a:hover, .nav a.on { color: var(--teal); text-shadow: 0 0 10px rgba(95,242,220,.6); }
.srv { margin-left: auto; display: flex; align-items: center; gap: 8px; font: 13px var(--px); color: var(--soft); white-space: nowrap; }
.srv i, .lamp { width: 9px; height: 9px; border-radius: 50%; background: #3a464c; flex: none; }
.srv.up i { background: var(--green); box-shadow: 0 0 8px var(--green); }
.srv.down i { background: var(--red); box-shadow: 0 0 8px var(--red); }
.acct { display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 12px 0 4px; border: 1px solid rgba(95,242,220,.35); text-decoration: none; color: var(--paper); font: 13px var(--px); }
.acct:hover { border-color: var(--teal); }
.acct-av { width: 28px; height: 28px; background: rgba(95,242,220,.18) center / cover; }
.lang { display: flex; padding: 0; border: 1px solid rgba(95,242,220,.35); background: none; cursor: pointer; font: 13px var(--px); }
.lang span { padding: 7px 9px; color: color-mix(in srgb, var(--paper) 50%, transparent); }
html[lang="tr"] .lang [data-l="tr"], html[lang="en"] .lang [data-l="en"] { background: var(--teal); color: var(--tube-edge); }

/* ---------------------------------------------------------------- hero: the tube */
.hero { padding: 28px 0 10px; }
.tube { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px; min-height: min(80vh, 780px); padding: 48px 24px 40px; text-align: center;
  border-radius: 34px; overflow: hidden; isolation: isolate;
  background: radial-gradient(ellipse at 50% 45%, var(--tube) 0%, var(--tube-edge) 72%);
  box-shadow: inset 0 0 120px rgba(0,0,0,.65), inset 0 0 0 1px rgba(95,242,220,.12), 0 0 0 10px #0b1519, 0 0 0 11px rgba(95,242,220,.16), 0 30px 80px rgba(0,0,0,.6); }
.tube::before { content: ""; position: absolute; inset: 0; z-index: -1; background: repeating-linear-gradient(rgba(0,0,0,.25) 0 1.4px, transparent 1.4px 4px); pointer-events: none; }
.tube::after { content: ""; position: absolute; left: 0; right: 0; height: 26%; top: -26%; z-index: 1; pointer-events: none;
  background: linear-gradient(transparent, rgba(95,242,220,.06) 70%, rgba(95,242,220,.18) 97%, transparent); animation: beam 7s 1.6s linear infinite; }
.lockup { width: min(640px, 86%); animation: power 1.4s cubic-bezier(.2,.9,.1,1) both, flicker 9s 3s infinite; }
.hero-line { margin: 0; font: clamp(18px, 2vw, 26px)/1.3 var(--px); color: var(--paper); letter-spacing: .03em; }
.hero-keys { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.hero-note { margin: 0; font-size: 12px; letter-spacing: .14em; color: color-mix(in srgb, var(--teal) 70%, transparent); }

/* ---------------------------------------------------------------- keys */
.key { position: relative; display: inline-flex; align-items: center; gap: 12px; padding: 12px 20px 12px 12px; border: 2px solid var(--teal); background: rgba(95,242,220,.06);
  color: var(--teal); font: 15px var(--px); letter-spacing: .08em; text-decoration: none; cursor: pointer; transition: transform .12s, box-shadow .2s, background .2s; }
.key:hover { transform: translateY(-1px); background: rgba(95,242,220,.14); box-shadow: 0 0 24px rgba(95,242,220,.3); }
.key:active { transform: translateY(1px); }
.key[disabled] { opacity: .5; pointer-events: none; }
.key-k { display: grid; place-items: center; min-width: 26px; height: 26px; background: var(--teal); color: var(--tube-edge); font-size: 13px; }
.key-main { border-color: var(--orange); background: var(--orange); color: #140804; box-shadow: 0 0 22px rgba(255,126,46,.35); }
.key-main:hover { background: #ff944f; box-shadow: 0 0 30px rgba(255,126,46,.5); }
.key-main .key-k { background: #140804; color: var(--orange); }
.key-main::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(rgba(0,0,0,.12) 0 2px, transparent 2px 4px); }
.key-discord { border-color: #8b9bff; color: #aab6ff; background: rgba(139,155,255,.08); }
.key-discord .key-k { background: #8b9bff; }
.key-small { padding: 6px 12px; font-size: 13px; }

/* ---------------------------------------------------------------- sections */
.sec { padding: 96px 0 24px; }
.sec-h { display: flex; align-items: center; gap: 16px; margin: 0 0 40px; font: clamp(24px, 3vw, 36px)/1 var(--px); letter-spacing: .06em; font-weight: normal; color: var(--ph); }
.sec-h b { font-weight: normal; font-size: .5em; padding: 4px 8px; background: var(--ph); color: var(--tube-edge); box-shadow: 0 0 16px color-mix(in srgb, var(--ph) 55%, transparent); text-shadow: none; }
.sec-h::after { content: ""; flex: 1; height: 2px; background: repeating-linear-gradient(90deg, var(--ph) 0 12px, transparent 12px 18px); opacity: .45; }

/* 01 world */
.world { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.world-text p { margin: 0 0 18px; color: var(--soft); max-width: 60ch; }
.world-text .lead { font-size: clamp(19px, 1.6vw, 22px); line-height: 1.55; color: var(--paper); }
.facts { margin: 30px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.facts div { padding: 14px 16px; border-right: 1px solid var(--line); display: grid; gap: 2px; }
.facts div:last-child { border-right: 0; }
.facts dt { font: 11px var(--px); letter-spacing: .14em; color: color-mix(in srgb, var(--ph) 85%, transparent); }
.facts dd { margin: 0; font: 34px/1.1 var(--px); color: var(--orange); text-shadow: 0 0 12px rgba(255,126,46,.5); }
.facts span { font-size: 13px; color: color-mix(in srgb, var(--paper) 55%, transparent); }
.monitor { margin: 0; position: relative; aspect-ratio: 1; border-radius: 26px; overflow: hidden; isolation: isolate;
  background: radial-gradient(circle at 50% 50%, #12313a, #061012 70%);
  box-shadow: inset 0 0 70px rgba(0,0,0,.8), 0 0 0 8px #0b1519, 0 0 0 9px rgba(95,242,220,.18); }
.monitor::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(rgba(0,0,0,.22) 0 1.4px, transparent 1.4px 4px); pointer-events: none; }
#globe { position: absolute; inset: 7%; width: 86%; height: 86%; cursor: grab; touch-action: none; image-rendering: pixelated; filter: drop-shadow(0 0 22px rgba(72,232,236,.35)); }
#globe:active { cursor: grabbing; }
.monitor figcaption { position: absolute; left: 0; right: 0; bottom: 14px; text-align: center; font-size: 11px; letter-spacing: .14em; color: rgba(95,242,220,.6); pointer-events: none; }

/* 02 features: one phosphor per card */
.feats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.feat { display: grid; grid-template-rows: auto 1fr; border: 1px solid var(--line); background: linear-gradient(170deg, color-mix(in srgb, var(--ph) 7%, #08151a), #060e11); transition: border-color .25s, transform .25s, box-shadow .25s; }
.feat:hover { border-color: color-mix(in srgb, var(--ph) 70%, transparent); transform: translateY(-3px); box-shadow: 0 0 40px color-mix(in srgb, var(--ph) 14%, transparent); }
.shot { position: relative; aspect-ratio: 16 / 9; display: grid; place-items: center; overflow: hidden; border-bottom: 1px solid var(--line);
  background: radial-gradient(ellipse at 50% 50%, color-mix(in srgb, var(--ph) 16%, #0a1a1e), #050b0d 75%); }
.shot::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(rgba(0,0,0,.3) 0 1.4px, transparent 1.4px 4px); }
.shot span { position: relative; padding: 6px 12px; border: 1px dashed color-mix(in srgb, var(--ph) 55%, transparent); font-size: 12px; letter-spacing: .2em; color: color-mix(in srgb, var(--ph) 75%, transparent); }
.feat-body { padding: 22px 24px 24px; }
.feat-n { margin: 0 0 6px; font-size: 12px; letter-spacing: .16em; color: color-mix(in srgb, var(--ph) 80%, transparent); }
.feat h3 { margin: 0 0 10px; font: 26px/1.15 var(--px); font-weight: normal; color: var(--ph); }
.feat p { margin: 0 0 16px; color: var(--soft); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; font-size: 12px; letter-spacing: .08em; }
.tags li { padding: 3px 8px; border: 1px solid var(--line); color: color-mix(in srgb, var(--ph) 85%, var(--paper)); }

/* 04 join */
.steps { list-style: none; margin: 0 0 32px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.steps li { padding: 24px; border: 1px solid var(--line); background: repeating-linear-gradient(-45deg, color-mix(in srgb, var(--ph) 4%, transparent) 0 6px, transparent 6px 12px), #08141a; }
.steps b { display: block; font: 48px/1 var(--px); font-weight: normal; color: var(--ph); text-shadow: 0 0 14px color-mix(in srgb, var(--ph) 60%, transparent); margin-bottom: 12px; }
.steps h3 { margin: 0 0 6px; font: 18px var(--px); font-weight: normal; }
.steps p { margin: 0; color: var(--soft); font-size: 15px; }

/* ---------------------------------------------------------------- portal views */
.view:not(#home) { padding: 56px 0 40px; min-height: calc(100vh - 160px); }
.pane { position: relative; border: 1px solid var(--line); background: linear-gradient(170deg, color-mix(in srgb, var(--ph) 6%, #08151a), #060e11); padding: 22px 24px; margin-bottom: 18px; }
.pane::before { content: ""; position: absolute; left: -1px; top: -1px; width: 12px; height: 12px; border-left: 2px solid var(--ph); border-top: 2px solid var(--ph); }
.note { margin: 6px 0 18px; color: var(--soft); max-width: 62ch; white-space: pre-line; }
.err { margin: 0; color: var(--red); font: 13px var(--px); }
.ok { margin: 0; color: var(--green); font: 13px var(--px); }
.form-title { margin: 0 0 14px; font-size: 14px; letter-spacing: .1em; color: var(--ph); }
.lamp-row { display: flex; align-items: center; gap: 10px; margin: 0; font: 19px var(--px); color: var(--ph); }
.lamp { width: 12px; height: 12px; }
.lamp.wait { background: var(--amber); box-shadow: 0 0 10px var(--amber); animation: blink 1s steps(1) infinite; }
.lamp.go { background: var(--green); box-shadow: 0 0 10px var(--green); }
.lamp.stop { background: var(--red); box-shadow: 0 0 10px var(--red); }
.who { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.who-av { width: 56px; height: 56px; border: 1px solid var(--ph); }
.who-name { margin: 0; font-size: 21px; }
.who-sub { margin: 0; font-size: 11px; letter-spacing: .12em; color: color-mix(in srgb, var(--ph) 80%, transparent); }
.state-mc { margin: 10px 0 0; color: var(--orange); }
.howto { margin: 14px 0 0; padding-left: 20px; color: var(--soft); }
#granted .key { margin-top: 12px; }
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font: 12px var(--px); letter-spacing: .08em; color: color-mix(in srgb, var(--ph) 85%, transparent); }
.form label.short { max-width: 140px; }
.form input:not([type=checkbox]):not([type=radio]), .form textarea, select { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 0; background: rgba(0,0,0,.45); color: var(--paper); font: 16px var(--text); resize: vertical; }
.form input:focus, .form textarea:focus, select:focus { outline: none; border-color: var(--ph); box-shadow: 0 0 0 1px var(--ph), 0 0 16px color-mix(in srgb, var(--ph) 30%, transparent); }
.form input:user-invalid, .form textarea:user-invalid { border-color: var(--red); }
.form label.check { display: flex; align-items: flex-start; gap: 10px; font: 15px var(--text); letter-spacing: 0; color: var(--paper); }
.check input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--ph); }
.form .key { justify-self: start; }
.seg-toggle { display: flex; width: max-content; border: 1px solid var(--line); }
.seg-toggle label { cursor: pointer; }
.seg-toggle input { position: absolute; opacity: 0; }
.seg-toggle span { display: block; padding: 8px 18px; font: 14px var(--px); letter-spacing: .08em; color: var(--soft); }
.seg-toggle input:checked + span { background: var(--ph); color: var(--tube-edge); }
.seg-toggle input:focus-visible + span { outline: 2px dashed var(--paper); outline-offset: -4px; }
.cols { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.rows { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.rows li { padding: 10px 12px; border: 1px solid var(--line); display: grid; gap: 4px; }
.rows .meta { display: flex; flex-wrap: wrap; gap: 10px; font: 12px var(--px); color: color-mix(in srgb, var(--ph) 80%, transparent); }
.rows .st-open { color: var(--amber); } .rows .st-closed { color: var(--green); }
.rows .body { white-space: pre-line; color: var(--soft); font-size: 15px; overflow-wrap: anywhere; }
.rows .empty { border: 0; padding: 0; color: var(--soft); }
.tabs { display: flex; align-items: center; gap: 2px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.tabs button { padding: 10px 16px; border: 0; background: none; cursor: pointer; font: 14px var(--px); letter-spacing: .08em; color: var(--soft); }
.tabs button.on { background: var(--ph); color: var(--tube-edge); }
.tabs select { width: auto; padding: 6px 10px; font: 13px var(--px); }
.adm-list { display: grid; gap: 12px; }
.card { display: grid; gap: 10px; padding: 16px 18px; border: 1px solid var(--line); background: #08141a; }
.card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
.card-head .mc { font: 18px var(--px); color: var(--orange); }
.card-head .dim { font-size: 14px; }
.card dl { margin: 0; display: grid; grid-template-columns: 160px 1fr; gap: 6px 14px; }
.card dt { font: 12px var(--px); letter-spacing: .08em; color: color-mix(in srgb, var(--ph) 80%, transparent); }
.card dd { margin: 0; white-space: pre-line; overflow-wrap: anywhere; }
.card-act { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.card-act input { flex: 1; min-width: 180px; padding: 8px 10px; border: 1px solid var(--line); background: rgba(0,0,0,.45); }
.key-ok { border-color: var(--green); color: var(--green); } .key-ok .key-k { background: var(--green); }
.key-no { border-color: var(--red); color: var(--red); } .key-no .key-k { background: var(--red); }
.adm-empty { color: var(--soft); }

/* ---------------------------------------------------------------- footer and the screen over everything */
.foot { margin-top: 80px; padding: 28px 0 40px; border-top: 1px solid rgba(95,242,220,.15); font-size: 14px; }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.foot a { color: inherit; }
.crt { position: fixed; inset: 0; z-index: 50; pointer-events: none; background: radial-gradient(ellipse at center, transparent 62%, rgba(0,0,0,.45) 100%); }

@keyframes blink { 50% { opacity: .25; } }
@keyframes beam { 0% { top: -26%; } 55%, 100% { top: 110%; } }
@keyframes power { 0% { clip-path: inset(49.5% 0 49.5% 0); filter: brightness(4); opacity: 0; } 30% { clip-path: inset(49.5% 0 49.5% 0); opacity: 1; } 65% { clip-path: inset(0); filter: brightness(1.5); } 100% { clip-path: inset(0); } }
@keyframes flicker { 0%, 96%, 100% { opacity: 1; transform: none; } 96.5% { opacity: .78; transform: translateX(2px); } 97% { opacity: 1; transform: translateX(-1px); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; } }

/* ================================================================ motion and the bulletin */
[data-ph="yellow"] { --ph: var(--yellow); }
.hero-line { font-weight: normal; }
.hero-sub { margin: -6px 0 0; max-width: 46ch; font-size: clamp(16px, 1.3vw, 19px); color: var(--soft); }

/* six systems: three across, each card tilts toward the pointer and its border lights under it */
.feats { grid-template-columns: repeat(3, 1fr); perspective: 1400px; }
.feat { position: relative; transform-style: preserve-3d; transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: border-color .25s, box-shadow .3s, transform .5s cubic-bezier(.2,.8,.2,1); }
.feat:hover { transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-4px); transition: border-color .25s, box-shadow .3s, transform .08s linear; }
.feat::after { content: ""; position: absolute; inset: -1px; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--ph) 22%, transparent), transparent 70%); mix-blend-mode: screen; }
.feat:hover::after { opacity: 1; }
.feat h3 { font-size: 22px; }
.feat p { font-size: 16px; }

/* the card screens: static that tunes in on hover */
.snow { position: absolute; inset: 0; width: 100%; height: 100%; image-rendering: pixelated; opacity: .22; filter: drop-shadow(0 0 0 transparent); transition: opacity .4s; }
.shot span { z-index: 1; background: rgba(5,11,13,.6); animation: blink 2.2s steps(1) infinite; }
.shot::after { content: ""; position: absolute; left: 0; right: 0; height: 18%; top: -18%; z-index: 1; pointer-events: none;
  background: linear-gradient(transparent, color-mix(in srgb, var(--ph) 18%, transparent), transparent); animation: roll 4.5s linear infinite; }
.feat:hover .snow { opacity: .55; }
.feat:hover .shot span { animation: none; color: var(--ph); border-color: var(--ph); box-shadow: 0 0 16px color-mix(in srgb, var(--ph) 40%, transparent); }

/* sections open like a screen being tuned: a bright line sweeps down, the content follows it */
.sec { position: relative; }
.sec::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; z-index: 2; pointer-events: none; opacity: 0;
  background: linear-gradient(90deg, transparent, var(--ph, var(--teal)) 20%, #fff 50%, var(--ph, var(--teal)) 80%, transparent); box-shadow: 0 0 18px var(--ph, var(--teal)); }
.sec.live::before { animation: sweep 1.1s cubic-bezier(.5,0,.3,1) forwards; }
.reveal { opacity: 0; clip-path: inset(0 0 100% 0); transform: translateY(10px); }
.reveal.in { opacity: 1; clip-path: inset(0 0 -40px 0); transform: none;
  transition: opacity .5s var(--d, 0s), clip-path .9s cubic-bezier(.6,0,.2,1) var(--d, 0s), transform .9s cubic-bezier(.2,.8,.2,1) var(--d, 0s); }
.feat.reveal.in { transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: opacity .5s var(--d, 0s), clip-path .9s cubic-bezier(.6,0,.2,1) var(--d, 0s), transform .5s cubic-bezier(.2,.8,.2,1), border-color .25s, box-shadow .3s; }
.decoding { color: color-mix(in srgb, var(--ph) 70%, #fff); }

.feat.reveal.in:hover { transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-4px); transition: border-color .25s, box-shadow .3s, transform .08s linear; }

/* hero: the heading glitches now and then, the logo leans with the pointer */
.hero-line { animation: glitch 6s 2.4s infinite; }
.lockup { translate: var(--px, 0) var(--py, 0); transition: translate .6s cubic-bezier(.2,.8,.2,1); }
.tube { transform: perspective(1600px) rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg)); transition: transform .8s cubic-bezier(.2,.8,.2,1); }

/* keys: a scan line passes over on hover */
.key { overflow: hidden; }
.key::before { content: ""; position: absolute; top: 0; bottom: 0; width: 40%; left: -60%; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.28), transparent); transform: skewX(-20deg); }
.key:hover::before { animation: shine .7s ease-out; }

/* first visit: boot log, then the tube switches on */
.boot { position: fixed; inset: 0; z-index: 60; display: flex; align-items: flex-end; padding: 6vh 6vw; background: #030708; }
.boot-log { margin: 0; font-size: clamp(12px, 1.2vw, 15px); line-height: 1.7; color: var(--green); text-shadow: 0 0 8px rgba(88,255,146,.6); white-space: pre-wrap; }
.boot.off { animation: crtOff .55s cubic-bezier(.7,0,.3,1) forwards; }
.boot.gone { display: none; }
body.booted .tube { animation: crtOn .9s cubic-bezier(.2,.9,.1,1) both; }

/* page switches: static burst, then the page opens out of a line */
.static { position: fixed; inset: 0; z-index: 55; width: 100%; height: 100%; pointer-events: none; opacity: 0; image-rendering: pixelated; mix-blend-mode: screen; }
.static.on { animation: staticBurst .38s steps(4) forwards; }
.view.enter { animation: crtOn .6s cubic-bezier(.2,.9,.1,1) both; }

/* ---------------------------------------------------------------- bulletin: bell, drawer, toast */
.bell { position: relative; display: grid; place-items: center; width: 38px; height: 36px; padding: 0; border: 1px solid rgba(95,242,220,.35); background: none; color: var(--teal); cursor: pointer; }
.bell:hover, .bell[aria-expanded="true"] { border-color: var(--teal); box-shadow: 0 0 14px rgba(95,242,220,.3); }
.bell b { position: absolute; top: -7px; right: -7px; min-width: 18px; height: 18px; padding: 0 4px; border-radius: 9px; background: var(--red); color: #fff; font: 11px/18px var(--px); box-shadow: 0 0 10px var(--red); }
.bell.ring svg { animation: ring 1s ease-in-out 2; transform-origin: 50% 10%; }
.notes { position: fixed; top: 0; right: 0; bottom: 0; z-index: 45; width: min(460px, 100vw); display: flex; flex-direction: column; --ph: var(--green);
  background: linear-gradient(170deg, #06140f, #040a09); border-left: 1px solid rgba(88,255,146,.3); box-shadow: -30px 0 60px rgba(0,0,0,.6);
  transform: translateX(100%); transition: transform .45s cubic-bezier(.2,.8,.2,1); }
.notes.open { transform: none; }
.notes::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(rgba(0,0,0,.22) 0 1.4px, transparent 1.4px 4px); }
.notes-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 3px solid var(--red); color: var(--green); font-size: 14px; letter-spacing: .12em; text-shadow: 0 0 10px rgba(88,255,146,.5); }
.notes-x { border: 0; background: none; color: var(--green); font-size: 26px; line-height: 1; cursor: pointer; }
.notes-list { list-style: none; margin: 0; padding: 8px 20px 30px; overflow: auto; }
.note-item { position: relative; padding: 18px 0 18px 18px; border-bottom: 1px dashed rgba(88,255,146,.25); }
.note-item::before { content: ""; position: absolute; left: 0; top: 24px; width: 7px; height: 7px; background: rgba(88,255,146,.35); }
.note-item.unread::before { background: var(--green); box-shadow: 0 0 8px var(--green); animation: blink 1.2s steps(1) infinite; }
.note-item .d { font: 12px var(--px); color: rgba(88,255,146,.7); letter-spacing: .08em; }
.note-item h3 { margin: 4px 0 8px; font: 18px/1.3 var(--px); font-weight: normal; color: var(--green); }
.note-item p { margin: 0 0 6px; color: var(--soft); font-size: 15px; }
.note-item ul { margin: 4px 0 0; padding: 0; list-style: none; }
.note-item li { position: relative; padding-left: 18px; margin: 3px 0; color: var(--soft); font-size: 15px; }
.note-item li::before { content: attr(data-mark); position: absolute; left: 0; font-family: var(--px); color: var(--green); }
.note-item li.add::before { color: var(--green); } .note-item li.fix::before { color: var(--amber); } .note-item li.del::before { color: var(--red); }
.note-item img { margin-top: 10px; border: 1px solid rgba(88,255,146,.25); }
.notes-empty { padding: 20px 0; color: var(--soft); }
.notes-dim { position: fixed; inset: 0; z-index: 44; background: rgba(2,6,7,.55); backdrop-filter: blur(2px); }
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 46; display: grid; gap: 2px; max-width: min(380px, calc(100vw - 40px)); padding: 12px 16px; text-align: left; cursor: pointer;
  border: 1px solid rgba(88,255,146,.5); background: #06140f; color: var(--paper); box-shadow: 0 0 30px rgba(88,255,146,.2); animation: toastIn .5s cubic-bezier(.2,.8,.2,1); }
.toast-k { font-size: 11px; letter-spacing: .14em; color: var(--green); }
.toast-t { font-size: 15px; }

@keyframes sweep { 0% { top: 0; opacity: 1; } 85% { opacity: 1; } 100% { top: 100%; opacity: 0; } }
@keyframes roll { to { top: 110%; } }
@keyframes shine { to { left: 130%; } }
@keyframes glitch { 0%, 93%, 100% { transform: none; } 93.5% { transform: translateX(3px) skewX(-6deg); text-shadow: 0 0 12px currentColor, 5px 0 rgba(255,70,90,.8), -5px 0 rgba(70,130,255,.8); }
  94% { transform: translateX(-2px); } 94.6% { transform: translateX(1px) skewX(3deg); clip-path: inset(30% 0 40% 0); } 95% { transform: none; clip-path: none; } }
@keyframes crtOff { 0% { clip-path: inset(0); filter: brightness(1); } 55% { clip-path: inset(49.6% 0 49.6% 0); filter: brightness(3); } 100% { clip-path: inset(49.9% 50% 49.9% 50%); filter: brightness(5); opacity: 0; } }
@keyframes crtOn { 0% { clip-path: inset(49.6% 0 49.6% 0); filter: brightness(3); } 55% { clip-path: inset(0); filter: brightness(1.5); } 100% { clip-path: inset(0); filter: none; } }
@keyframes staticBurst { 0% { opacity: .75; } 100% { opacity: 0; } }
@keyframes ring { 0%, 100% { transform: rotate(0); } 20% { transform: rotate(14deg); } 40% { transform: rotate(-12deg); } 60% { transform: rotate(8deg); } 80% { transform: rotate(-4deg); } }
@keyframes toastIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

@media (max-width: 1100px) { .feats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .feats { grid-template-columns: 1fr; } .feat { transform: none !important; } }
@media (prefers-reduced-motion: reduce) { .boot { display: none; } .reveal { clip-path: none; } .feat, .tube { transform: none !important; } }

/* ---------------------------------------------------------------- narrow */
@media (max-width: 1080px) { .nav a { padding: 8px 8px; font-size: 13px; } .srv span { display: none; } }
@media (max-width: 900px) {
  .nav { display: none; }
  .world, .cols { grid-template-columns: 1fr; }
  .monitor { max-width: 460px; width: 100%; margin: 0 auto; }
  .feats, .steps { grid-template-columns: 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts div:nth-child(2) { border-right: 0; }
  .facts div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .card dl { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .top-row { gap: 10px; height: 60px; }
  .brand span { display: none; }
  .tube { min-height: 0; padding: 36px 16px 32px; border-radius: 22px; }
  .hero-keys .key { width: 100%; justify-content: center; }
  .sec { padding-top: 72px; }
}