/* AKTENZEICHEN MdB – „Geheimakte“
   Mitternachtsblau / Off-White / Mint. Keine externen Fonts: System-Serif, -Sans, -Mono.
   Neutralität: Alle Parteien sehen gleich aus. „Richtig“ = Mint, „falsch“ = Schraffur + Durchstreichen (kein Signalrot). */

:root {
  --navy: #101a2e;
  --navy-2: #1d2b48;
  --paper: #f5f5f2;
  --card: #fffffc;
  --mint: #baffd9;
  --mint-ink: #0d6a44;
  --ink: #101a2e;
  --muted: #535d70;
  --rule: rgba(16, 26, 46, .14);
  --rule-soft: rgba(16, 26, 46, .08);
  --error: #8a1f26; /* nur für Formularfehler im Redaktionseditor */

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, ui-serif, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;

  --ease-out: cubic-bezier(.23, 1, .32, 1);
  --radius: 8px;
  --shadow: 4px 4px 0 var(--navy);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-underline-offset: 3px; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

:focus-visible { outline: 3px solid var(--navy); outline-offset: 3px; }

.hidden { display: none !important; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.site { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
/* Stempel- und Rang-Animationen starten vergrößert: Überstand abschneiden, sonst zoomt das Handy heraus */
main { overflow-x: clip; overflow-clip-margin: 14px; }

/* ---------- Labels & Text ---------- */
.label {
  display: block;
  margin: 0;
  font: 600 11px/1.4 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.help { font-size: 14px; color: var(--muted); margin: 12px 0 0; }
.small { font-size: 13px; }
.error { color: var(--error); }
.success { color: var(--mint-ink); }

/* ---------- Kopf ---------- */
.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0 12px;
  border-bottom: 2px solid var(--navy);
}
.masthead-meta {
  display: flex;
  gap: 14px;
  order: 2;
  font: 600 11px/1.4 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.logo {
  display: inline-flex;
  align-items: baseline;
  font: 800 28px/1 var(--serif);
  letter-spacing: -.02em;
  color: var(--ink);
  text-decoration: none;
}
.logo { align-items: center; gap: 8px; white-space: nowrap; }
/* „MdB“ als kleines Aktenschild */
.logo span {
  padding: 5px 7px 4px;
  background: var(--navy);
  color: var(--mint);
  border-radius: 4px;
  font: 900 .6em/1 var(--sans);
  letter-spacing: .06em;
  transform: rotate(-3deg);
}

/* ---------- Start ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 56px;
  padding: 48px 0 56px;
}
.hero h1 {
  position: relative;
  isolation: isolate; /* Markierung liegt hinter der Schrift */
  margin: 14px 0 18px;
  font: 800 clamp(42px, 6.6vw, 84px)/.96 var(--serif);
  letter-spacing: -.025em;
}
.hero h1 em { position: relative; z-index: -1; font-style: italic; font-weight: 700; padding: .02em .08em 0; background: var(--mint); -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.deck { margin: 0 0 12px; max-width: 30ch; font: italic 400 clamp(21px, 2.4vw, 26px)/1.3 var(--serif); }
.lede { margin: 0; max-width: 54ch; font-size: 17px; color: var(--ink); }

.rounds { margin: 30px 0 0; padding: 0; border: 0; max-width: 420px; }
.rounds legend { padding: 0; margin-bottom: 10px; }
.chips { position: relative; display: flex; gap: 8px; }
.chips input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; margin: 0; opacity: 0; pointer-events: none; }
.chip {
  flex: 1;
  min-height: 50px;
  display: grid;
  place-items: center;
  background: var(--card);
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  font: 700 16px/1 var(--mono);
  cursor: pointer;
  user-select: none;
  transition: transform 140ms var(--ease-out), background-color 120ms ease, color 120ms ease;
}
.chip:active { transform: scale(.96); }
.chips input:checked + .chip { background: var(--navy); color: var(--mint); }
.chips input:focus-visible + .chip { outline: 3px solid var(--navy); outline-offset: 3px; }
.start-btn { margin-top: 14px; width: 100%; max-width: 420px; }

/* Aktenstapel + Anleitung */
.hero-side { align-self: start; padding-top: 10px; }
.stack { position: relative; height: 170px; margin: 0 6px 30px; }
.stack > span {
  position: absolute;
  inset: 0;
  background: var(--card);
  border: 2px solid var(--navy);
  border-radius: 4px 12px 12px 12px;
  box-shadow: var(--shadow);
}
.stack > span:nth-child(1) { transform: rotate(-6deg) translate(-8px, 8px); opacity: .55; }
.stack > span:nth-child(2) { transform: rotate(3.5deg); opacity: .8; }
.stack-top { display: flex; flex-direction: column; gap: 6px; padding: 16px 18px; font: 500 13px/1.5 var(--mono); color: var(--muted); }
.stack-top b { font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: 11px; color: var(--navy); margin-bottom: 4px; }
.stack-top i { font-style: normal; }
.stack-top s { text-decoration: none; padding: 0 .3em; background: var(--navy); color: var(--paper); border-radius: 2px; }
.steps { list-style: none; counter-reset: step; margin: 14px 0 0; padding: 0; }
.steps li { counter-increment: step; position: relative; padding: 0 0 14px 42px; font-size: 14px; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: var(--mint);
  border-radius: 6px;
  font: 700 13px/1 var(--mono);
}
.steps strong { display: block; font: 700 17px/1.3 var(--serif); }
.steps span { display: block; color: var(--muted); }
.side-note { margin: 4px 0 0; padding-top: 14px; border-top: 1px dashed var(--rule); font-size: 14px; color: var(--muted); }

/* ---------- Formularfelder (Redaktionseditor) ---------- */
.field { margin: 18px 0 0; }
.field label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 600; }
select, input, textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid rgba(16, 26, 46, .28);
  border-radius: var(--radius);
  transition: border-color 150ms ease;
}
input[type="file"] { min-height: 0; padding: 10px; }
textarea { min-height: 160px; resize: vertical; }
@media (hover: hover) and (pointer: fine) {
  select:hover, input:hover, textarea:hover { border-color: var(--navy); }
}

/* ---------- Buttons: kräftig, mit „Unterkante“ ---------- */
.primary, .secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 24px;
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  font-size: 17px;
  font-weight: 750;
  box-shadow: 0 4px 0 var(--navy);
  transition: transform 140ms var(--ease-out), box-shadow 140ms var(--ease-out), background-color 150ms ease, opacity 150ms ease;
}
.primary { background: var(--navy); color: var(--paper); box-shadow: 0 4px 0 #050a14; }
.primary .arrow { color: var(--mint); }
.secondary { background: var(--card); color: var(--navy); }
.primary:active:not(:disabled), .secondary:active:not(:disabled) { transform: translateY(3px); box-shadow: 0 1px 0 var(--navy); }
.primary:disabled { opacity: .35; cursor: not-allowed; }
@media (hover: hover) and (pointer: fine) {
  .primary:hover:not(:disabled) { background: var(--navy-2); }
  .secondary:hover { background: #fff; }
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* ---------- Spiel ---------- */
.sheet { max-width: 720px; margin: 0 auto; padding: 22px 0 40px; }

.hud { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 38px; }
.pips { display: flex; flex-wrap: wrap; gap: 4px; min-width: 0; }
.pip { width: 14px; height: 7px; border-radius: 2px; background: var(--rule); }
.pip.ok { background: var(--mint); box-shadow: inset 0 0 0 1.5px var(--navy); }
.pip.miss { background: repeating-linear-gradient(45deg, var(--navy) 0 2px, transparent 2px 4px); box-shadow: inset 0 0 0 1px var(--navy); }
.pip.now { background: var(--navy); }
.progress { flex: 1; max-width: 360px; height: 7px; background: var(--rule); border-radius: 2px; overflow: hidden; }
.progress span { display: block; height: 100%; background: var(--navy); transform: scaleX(0); transform-origin: left; transition: transform 300ms var(--ease-out); }
.hud-right { display: flex; align-items: center; gap: 6px; flex: none; }
.score-chip, .streak {
  font: 700 12px/1 var(--mono);
  padding: 7px 9px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.score-chip { border: 1.5px solid var(--navy); }
.streak { background: var(--navy); color: var(--mint); transition: transform 200ms var(--ease-out), opacity 200ms ease; }
@starting-style { .streak { transform: scale(.6); opacity: 0; } }

/* Die Akte */
.dossier {
  position: relative;
  background: var(--card);
  border: 2px solid var(--navy);
  border-radius: 4px 12px 12px 12px;
  box-shadow: var(--shadow);
}
.dossier-tab {
  position: absolute;
  top: -28px;
  left: -2px;
  padding: 8px 12px;
  background: var(--navy);
  color: var(--paper);
  border-radius: 8px 8px 0 0;
  font: 700 11px/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.clip {
  position: absolute;
  top: -16px;
  right: 28px;
  width: 18px;
  height: 50px;
  border: 3px solid #8a93a6;
  border-bottom-color: transparent;
  border-radius: 10px;
  transform: rotate(8deg);
}
.dossier-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px 10px;
  border-bottom: 1px dashed var(--rule);
  font: 600 11px/1.4 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.bar-name { background: var(--navy); color: var(--navy); border-radius: 2px; letter-spacing: 0; }
.bio { padding: 4px 20px 8px; counter-reset: entry; }
.bio.folded { max-height: 430px; overflow: hidden; -webkit-mask-image: linear-gradient(#000 70%, transparent); mask-image: linear-gradient(#000 70%, transparent); }
.more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: calc(100% - 40px);
  min-height: 46px;
  margin: 0 20px 16px;
  background: var(--paper);
  border: 2px dashed var(--navy);
  border-radius: var(--radius);
  font-weight: 700;
  transition: transform 140ms var(--ease-out), background-color 150ms ease;
}
.more:active { transform: scale(.98); }
@media (hover: hover) and (pointer: fine) { .more:hover { background: #fff; } }
.bio p {
  counter-increment: entry;
  position: relative;
  margin: 0;
  padding: 12px 0 12px 36px;
  border-bottom: 1px solid var(--rule-soft);
  line-height: 1.6;
  transition: opacity 280ms var(--ease-out), transform 280ms var(--ease-out);
  transition-delay: calc(var(--i, 0) * 35ms);
}
.bio p:last-child { border-bottom: 0; }
.bio p::before {
  content: counter(entry, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font: 600 11px/1.4 var(--mono);
  color: var(--muted);
}
@starting-style { .bio p { opacity: 0; transform: translateY(6px); } }
/* Geschwärzte Stelle: wie ein Balken, Text bleibt lesbar */
.redacted {
  padding: .06em .4em;
  background: var(--navy);
  color: var(--paper);
  border-radius: 3px;
  font: 600 .84em/1.5 var(--mono);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* Stempel */
.stamp {
  position: absolute;
  left: 50%;
  bottom: 18px;
  z-index: 3;
  padding: 8px 14px;
  border: 5px solid var(--navy);
  border-radius: 10px;
  color: var(--navy);
  font: 900 clamp(24px, 6.4vw, 40px)/1 var(--sans);
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  pointer-events: none;
  --rot: -12deg;
  transform: translateX(-50%) rotate(var(--rot));
}
.stamp.hit { background: rgba(186, 255, 217, .9); }
.stamp.miss { --rot: 9deg; background: rgba(255, 255, 252, .92); border-style: double; border-width: 9px; }
.dossier.hit .stamp, .dossier.miss .stamp { animation: stamp-in 420ms var(--ease-out) both; }
.dossier.hit { animation: press 420ms var(--ease-out); }
.dossier.miss { animation: shake 380ms 140ms var(--ease-out); }
@keyframes stamp-in {
  0% { opacity: 0; transform: translateX(-50%) rotate(calc(var(--rot) * 1.7)) scale(1.9); }
  60% { opacity: 1; transform: translateX(-50%) rotate(var(--rot)) scale(.96); }
  100% { opacity: 1; transform: translateX(-50%) rotate(var(--rot)) scale(1); }
}
@keyframes press { 0%, 40% { transform: none; } 55% { transform: scale(.985); } 100% { transform: none; } }
@keyframes shake {
  0%, 100% { transform: none; }
  20% { transform: translateX(-8px) rotate(-.6deg); }
  45% { transform: translateX(7px) rotate(.5deg); }
  70% { transform: translateX(-3px); }
}

/* Antwortoptionen – bewusst alle gleich gestaltet (Neutralität) */
.question { margin: 26px 0 12px; font: 700 clamp(21px, 3vw, 26px)/1.2 var(--serif); }
.choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.choice {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 8px 12px;
  background: var(--card);
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  box-shadow: 0 4px 0 var(--navy);
  text-align: left;
  font-weight: 700;
  line-height: 1.2;
  transition: transform 120ms var(--ease-out), box-shadow 120ms var(--ease-out), opacity 200ms ease;
}
.choice-key { flex: none; font: 600 11px/1 var(--mono); color: var(--muted); }
.choice-name { flex: 1; }
.choice-tag { flex: none; font: 700 10px/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.choice:active:not(:disabled) { transform: translateY(3px); box-shadow: 0 1px 0 var(--navy); }
@media (hover: hover) and (pointer: fine) {
  .choice:hover:not(:disabled) { background: #fff; transform: translateY(-1px); box-shadow: 0 5px 0 var(--navy); }
}
@media (hover: none) { .choice-key { display: none; } }
.choice:disabled { cursor: default; }
.choice.dim { opacity: .38; box-shadow: none; transform: translateY(3px); }
.choice.correct { background: var(--mint); animation: pop 320ms 300ms var(--ease-out) both; }
.choice.wrong {
  background: repeating-linear-gradient(-45deg, var(--card) 0 6px, #e7e9ee 6px 12px);
  color: var(--muted);
  box-shadow: none;
  transform: translateY(3px);
}
.choice.wrong .choice-name { text-decoration: line-through 2px; }
@keyframes pop { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }

/* Auflösung: „Akte aufgedeckt“ */
.result {
  margin-top: 18px;
  padding: 16px 18px 18px;
  background: var(--navy);
  color: var(--paper);
  border-radius: 12px;
  scroll-margin-bottom: 100px; /* nicht unter der fixierten Button-Leiste landen */
  transition: opacity 300ms 260ms var(--ease-out), transform 300ms 260ms var(--ease-out);
}
@starting-style { .result { opacity: 0; transform: translateY(14px); } }
.result p { margin: 0; }
.result-verdict { font: 700 12px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mint); }
.result-name { margin-top: 6px !important; font: 700 clamp(24px, 4vw, 30px)/1.15 var(--serif); animation: type-in 560ms 420ms steps(16) both; }
@keyframes type-in { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
.result-party { display: flex; align-items: center; gap: 10px; margin-top: 8px !important; }
.result-party .label { color: #b9c1d3; }
.party-chip { padding: 6px 9px; background: var(--mint); color: var(--navy); border-radius: 5px; font: 800 14px/1 var(--mono); letter-spacing: .04em; }
.result-tip { margin-top: 10px !important; font-size: 14px; color: #c5ccdb; }

/* Aktionen bleiben auf dem Handy erreichbar */
.game-actions {
  position: sticky;
  bottom: 0;
  z-index: 4;
  margin-top: 14px;
  padding: 12px 0 calc(14px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--paper) 72%, rgba(245, 245, 242, 0));
}
.game-actions:not(:has(.primary:not(.hidden))) { display: none; }
.game-actions .primary { flex: 1; }

/* ---------- Ergebnis ---------- */
.score {
  margin: 6px 0 0;
  font: 800 clamp(88px, 16vw, 140px)/1 var(--serif);
  letter-spacing: -.03em;
  font-variant-numeric: lining-nums tabular-nums;
}
.score .of { color: var(--muted); font-weight: 400; font-size: .4em; letter-spacing: 0; }
.rank {
  display: inline-block;
  margin: 10px 0 14px;
  padding: 8px 14px;
  background: var(--mint);
  border: 4px solid var(--navy);
  border-radius: 8px;
  font: 900 clamp(18px, 3vw, 24px)/1.1 var(--sans);
  letter-spacing: .04em;
  text-transform: uppercase;
  transform: rotate(-3deg);
  animation: rank-in 460ms 120ms var(--ease-out) both;
}
@keyframes rank-in { 0% { opacity: 0; transform: rotate(-8deg) scale(1.8); } 60% { opacity: 1; transform: rotate(-3deg) scale(.96); } 100% { transform: rotate(-3deg) scale(1); } }
.grid-line { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 0; }
.grid-line .pip { width: 22px; height: 22px; border-radius: 5px; }
.grid-line:empty { display: none; }
.review { list-style: none; margin: 30px 0 0; padding: 0; border-top: 2px solid var(--navy); }
.review li { display: grid; grid-template-columns: 28px 1fr; gap: 2px 14px; padding: 14px 0; border-bottom: 1px dashed var(--rule); }
.review .mark { grid-row: span 2; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 6px; font-size: 14px; font-weight: 800; }
.review .ok .mark { background: var(--mint); color: var(--navy); }
.review .miss .mark { background: repeating-linear-gradient(-45deg, var(--card) 0 4px, #dfe2e8 4px 8px); color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--navy); }
.review .who { font: 700 18px/1.3 var(--serif); }
.review .detail { font-size: 14px; color: var(--muted); }

.ad-slot[hidden] { display: none !important; }

/* ---------- Redaktion ---------- */
.editor { max-width: 720px; margin: 24px auto 40px; border-top: 1px solid var(--rule); }
.editor summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 52px; list-style: none; font-weight: 600; cursor: pointer; }
.editor summary::-webkit-details-marker { display: none; }
.summary-icon { font: 400 22px/1 var(--mono); transition: transform 200ms var(--ease-out); }
.editor details[open] .summary-icon { transform: rotate(45deg); }
.editor details[open] { padding-bottom: 20px; }
.editor .primary, .editor .secondary { min-height: 48px; font-size: 15px; box-shadow: none; }
.custom-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid var(--rule); }
.custom-row .secondary { min-height: 44px; padding: 0 14px; font-size: 14px; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 24px 0 0; }

/* ---------- Footer ---------- */
.footer { padding: 22px 0 40px; border-top: 2px solid var(--navy); font-size: 14px; color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px; }
.footer nav { display: flex; gap: 18px; }
.footer a { display: inline-block; padding: 4px 0; }
.footer p { margin: 10px 0 0; max-width: 62ch; }

/* ---------- Unterseiten (Impressum / Datenschutz) ---------- */
.panel { margin: 24px 0 48px; padding: 28px; background: var(--card); border: 2px solid var(--navy); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel h1 { font: 700 32px/1.15 var(--serif); margin-top: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 40px; padding: 32px 0 44px; }
  .hero-side { max-width: 480px; }
}
@media (max-width: 560px) {
  .site { padding: 0 16px; }
  .masthead-meta .masthead-date { display: none; }
  .logo { font-size: 24px; }
  .hero { padding-top: 24px; }
  .lede { font-size: 16px; }
  .start-btn { max-width: none; }
  .rounds { max-width: none; }
  .bio { padding: 2px 14px 6px; }
  .more { width: calc(100% - 28px); margin: 0 14px 14px; }
  .bio p { padding-left: 30px; font-size: 15px; }
  .dossier-head { padding: 14px 14px 10px; }
  .choices { gap: 8px; }
  .choice { padding: 8px 10px; font-size: 15px; }
  .choice-tag { position: absolute; right: 6px; top: 5px; font-size: 9px; }
  .choice:has(.choice-tag) { padding-top: 18px; }
  .actions > .primary, .actions > .secondary { flex: 1 1 100%; }
  .pip { width: 11px; }
}
@media (max-width: 400px) {
  .masthead-meta { display: none; }
}

/* ---------- Bewegung reduzieren: nur Deckkraft ---------- */
@media (prefers-reduced-motion: reduce) {
  .bio p, .result, .streak { transform: none !important; transition-property: opacity; transition-delay: 0ms; }
  @starting-style { .bio p, .result, .streak { transform: none; } }
  .dossier.hit, .dossier.miss, .choice.correct, .result-name { animation: none; }
  .dossier.hit .stamp, .dossier.miss .stamp, .rank { animation: fade 200ms ease both; }
  .primary:active, .secondary:active, .choice:active, .chip:active { transform: none !important; }
  .progress span, .summary-icon { transition: none; }
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }