:root {
  --bg: #080b12;
  --bg-soft: #0d1320;
  --panel: #111827;
  --panel-2: #172033;
  --panel-3: #1d273b;
  --text: #f4f7fb;
  --muted: #a8b3c7;
  --line: rgba(255,255,255,.12);
  --green: #39d98a;
  --yellow: #ffd166;
  --red: #ff6b6b;
  --blue: #22d3ee;
  --cyan: #22d3ee;
  --cyan-soft: rgba(34, 211, 238, .16);
  --orange: #ff9f43;
  --purple: #b26dff;
  --gold: #ffd166;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(34,211,238,.18), transparent 32rem),
    radial-gradient(circle at 80% 10%, rgba(178,109,255,.14), transparent 30rem),
    linear-gradient(180deg, #070a11 0%, #0b0f19 45%, #070a11 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button, input, select { font: inherit; }
button { cursor: pointer; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--green);
  color: #07110c;
  padding: .75rem 1rem;
  border-radius: 0 0 10px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(8, 11, 18, .82);
  border-bottom: 1px solid var(--line);
}
.nav-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: .85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-weight: 850;
  letter-spacing: .02em;
}
.logo-mark {
  width: 2.15rem;
  height: 2.15rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(34,211,238,.25), rgba(178,109,255,.25));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 0 24px rgba(34,211,238,.15);
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: var(--panel);
  padding: .55rem .7rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: .15rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-links a {
  color: var(--muted);
  padding: .55rem .75rem;
  border-radius: 999px;
  transition: all .15s ease;
  font-size: .96rem;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,.08);
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}
.hero {
  padding: clamp(3rem, 7vw, 6.5rem) 0 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 2rem;
  align-items: center;
}
.hero h1, .page-title {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  line-height: .95;
  letter-spacing: -.06em;
}
.page-title { font-size: clamp(2.15rem, 5vw, 4.25rem); }
.eyebrow {
  display: inline-flex;
  gap: .45rem;
  align-items: center;
  color: var(--green);
  font-weight: 780;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  margin-bottom: .85rem;
}
.lede {
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  margin: 1.25rem 0 1.6rem;
  max-width: 60ch;
}
.hero-actions, .button-row {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.button-primary, .button-secondary, .button-danger, .button-success, .button-ghost {
  border: 0;
  border-radius: 999px;
  padding: .82rem 1.08rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  font-weight: 780;
  transition: transform .14s ease, box-shadow .14s ease, background .14s ease, border-color .14s ease;
}
.button-primary {
  background: linear-gradient(135deg, #39d98a, #22d3ee);
  color: #04100c;
  box-shadow: 0 14px 30px rgba(57,217,138,.18);
}
.button-secondary {
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
  color: var(--text);
}
.button-danger { background: rgba(255,107,107,.16); color: #ffd7d7; border: 1px solid rgba(255,107,107,.32); }
.button-success { background: rgba(57,217,138,.16); color: #c8ffe1; border: 1px solid rgba(57,217,138,.32); }
.button-ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.button-primary:hover, .button-secondary:hover, .button-danger:hover, .button-success:hover, .button-ghost:hover { transform: translateY(-1px); }
.button-primary:focus-visible, .button-secondary:focus-visible, .button-danger:focus-visible, .button-success:focus-visible, .button-ghost:focus-visible,
.nav-links a:focus-visible, input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 3px solid rgba(34,211,238,.55);
  outline-offset: 3px;
}

.hero-panel, .tool-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(23,32,51,.95), rgba(13,19,32,.95));
  border-radius: 28px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: .8rem;
}
.stat-card {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
}
.stat-card strong { display: block; font-size: 1.65rem; line-height: 1; }
.stat-card span { color: var(--muted); font-size: .92rem; }

.section { margin-top: 2.4rem; }
.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.section h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.35rem); line-height: 1.08; }
.section p.section-intro, .section-intro { color: var(--muted); max-width: 72ch; margin: .35rem 0 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1rem;
}
.card, .card-warning, .card-success, .card-conditional {
  border-radius: var(--radius);
  padding: 1.1rem;
  background: rgba(17,24,39,.88);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(0,0,0,.16);
}
.card h3, .card-warning h3, .card-success h3, .card-conditional h3 { margin: 0 0 .45rem; line-height: 1.15; }
.card p, .card-warning p, .card-success p, .card-conditional p { color: var(--muted); }
.card > :last-child, .card-warning > :last-child, .card-success > :last-child, .card-conditional > :last-child { margin-bottom: 0; }
.card-warning { border-color: rgba(255,107,107,.38); background: linear-gradient(180deg, rgba(58,20,26,.78), rgba(17,24,39,.88)); }
.card-success { border-color: rgba(57,217,138,.38); background: linear-gradient(180deg, rgba(19,54,38,.72), rgba(17,24,39,.88)); }
.card-conditional { border-color: rgba(255,209,102,.38); background: linear-gradient(180deg, rgba(62,47,17,.74), rgba(17,24,39,.88)); }
.card-link { display: flex; flex-direction: column; gap: .7rem; min-height: 100%; }
.card-link:hover { border-color: rgba(34,211,238,.48); transform: translateY(-2px); }
.card-icon { font-size: 1.65rem; }

.badge-row { display: flex; flex-wrap: wrap; gap: .45rem; margin: .6rem 0; }
.badge, .decision-label {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: .28rem .55rem;
  font-size: .8rem;
  font-weight: 790;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--muted);
}
.decision-good { color: #c9ffe4; background: rgba(57,217,138,.15); border-color: rgba(57,217,138,.3); }
.decision-conditional { color: #fff0bd; background: rgba(255,209,102,.15); border-color: rgba(255,209,102,.35); }
.decision-danger { color: #ffd5d5; background: rgba(255,107,107,.15); border-color: rgba(255,107,107,.34); }

.race-zerg { color: #d8bcff; border-color: rgba(178,109,255,.35); background: rgba(94,226,129,.08); }
.race-terran { color: #c8fbff; border-color: rgba(34,211,238,.38); background: rgba(255,159,67,.08); }
.race-protoss { color: #ffedb3; border-color: rgba(255,209,102,.35); background: rgba(34,211,238,.08); }
.tier-s { color: #ffe9a8; border-color: rgba(255,209,102,.5); background: rgba(255,209,102,.13); }
.tier-a { color: #c9ffe4; border-color: rgba(57,217,138,.45); background: rgba(57,217,138,.11); }
.tier-b { color: #d5fbff; border-color: rgba(34,211,238,.35); background: rgba(34,211,238,.10); }
.tier-c { color: #dce5f4; border-color: rgba(168,179,199,.32); background: rgba(168,179,199,.08); }
.tier-d { color: #fff0bd; border-color: rgba(255,209,102,.28); background: rgba(255,209,102,.08); }
.tier-f { color: #ffd5d5; border-color: rgba(255,107,107,.35); background: rgba(255,107,107,.10); }

.lesson-list { display: grid; gap: 1rem; }
.lesson-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}
.lesson-number {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(34,211,238,.15);
  border: 1px solid rgba(34,211,238,.22);
  font-weight: 880;
}
.list-clean { padding-left: 1.2rem; color: var(--muted); }
.list-clean li { margin: .25rem 0; }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.three-col { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }

.controls {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: .75rem;
  margin: 1rem 0;
}
.control-group { display: grid; gap: .35rem; }
label { color: var(--muted); font-size: .9rem; font-weight: 720; }
input, select {
  width: 100%;
  min-height: 44px;
  border-radius: 13px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.07);
  color: var(--text);
  padding: .7rem .8rem;
}
select option { color: #10131b; }
.unit-list { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }
.unit-card { cursor: pointer; }
.unit-card[aria-expanded="true"] { border-color: rgba(34,211,238,.55); }
.unit-details { margin-top: .8rem; padding-top: .8rem; border-top: 1px solid var(--line); display: none; }
.unit-card[aria-expanded="true"] .unit-details { display: block; }
.small-title { text-transform: uppercase; color: var(--muted); letter-spacing: .1em; font-size: .75rem; font-weight: 820; margin: .8rem 0 .25rem; }

.matchup-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: .75rem;
  align-items: end;
}
.recommendation-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1rem; margin-top: 1rem; }
.empty-state { color: var(--muted); text-align: center; padding: 2rem; border: 1px dashed var(--line); border-radius: var(--radius); }

.grid-trainer {
  display: grid;
  grid-template-columns: repeat(8, minmax(34px, 1fr));
  gap: .35rem;
  max-width: 760px;
  width: 100%;
}
.cell {
  min-height: 54px;
  border-radius: 13px;
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(255,255,255,.055);
  color: var(--text);
  padding: .25rem;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: .78rem;
}
.cell.front-zone { background: rgba(255,107,107,.08); }
.cell.back-zone { background: rgba(57,217,138,.08); }
.unit-palette { display: flex; flex-wrap: wrap; gap: .6rem; margin: .75rem 0 1rem; }
.palette-button[aria-pressed="true"] { box-shadow: 0 0 0 3px rgba(34,211,238,.3); }
.trainer-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 1rem; align-items: start; }
.score-box { position: sticky; top: 5.75rem; }
.zone-labels { display: flex; justify-content: space-between; color: var(--muted); max-width: 760px; margin-bottom: .4rem; font-size: .85rem; }

.quiz-options { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }
.quiz-progress { color: var(--muted); font-weight: 760; }
.answer-result { margin-top: 1rem; }
.progress-bar { height: .6rem; background: rgba(255,255,255,.08); border-radius: 99px; overflow: hidden; margin: .8rem 0; }
.progress-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--green), var(--cyan)); width: 0%; transition: width .2s ease; }

.formation-diagram {
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  border-radius: var(--radius-sm);
  padding: 1rem;
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.08);
  overflow-x: auto;
  color: #e9f3ff;
}
.glossary-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .85rem; }
.term { font-weight: 850; color: var(--text); }

.noob-options { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: .65rem; margin: 1rem 0; }
.trap-button {
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: .8rem;
  text-align: left;
}
.trap-button[aria-pressed="true"] { border-color: rgba(255,107,107,.55); background: rgba(255,107,107,.14); }

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 2rem 1rem;
  background: rgba(0,0,0,.16);
}
.footer-shell { max-width: var(--max); margin: 0 auto; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 980px) {
  .hero, .trainer-layout, .recommendation-grid { grid-template-columns: 1fr; }
  .card-grid, .unit-list, .three-col { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .controls, .matchup-form { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .score-box { position: static; }
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    background: rgba(13,19,32,.98);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: .5rem;
  }
  .nav-shell { flex-wrap: wrap; }
  .nav-links.open { display: flex; }
  .nav-links a { border-radius: 12px; }
  .card-grid, .unit-list, .two-col, .three-col, .glossary-grid, .noob-options, .controls, .matchup-form { grid-template-columns: 1fr; }
  .hero { padding-top: 2.4rem; }
  .stat-grid { grid-template-columns: 1fr; }
  .grid-trainer { grid-template-columns: repeat(6, minmax(38px, 1fr)); }
  .cell { min-height: 48px; font-size: .72rem; }
}


/* Revision 2: cyan accent, side banners, tier list, matchup split panels, refreshed landing page */
body::before,
body::after {
  content: "";
  position: fixed;
  top: 0;
  bottom: 0;
  width: clamp(120px, 12vw, 240px);
  pointer-events: none;
  z-index: -1;
  opacity: .48;
  background-image: linear-gradient(90deg, rgba(8,11,18,.2), rgba(8,11,18,.86)), url('../assets/side-banner.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: saturate(1.1) contrast(1.05);
}
body::before { left: 0; }
body::after { right: 0; transform: scaleX(-1); }
@media (max-width: 1320px) {
  body::before,
  body::after { display: none; }
}
.logo-mark {
  background: linear-gradient(135deg, rgba(34,211,238,.26), rgba(57,217,138,.18));
  box-shadow: 0 0 24px rgba(34,211,238,.18);
}
.card-link:hover { border-color: rgba(34,211,238,.52); }
.tier-b { color: #d5f8ff; border-color: rgba(34,211,238,.35); background: rgba(34,211,238,.10); }
.race-terran { color: #c4f7ff; border-color: rgba(34,211,238,.35); background: rgba(255,159,67,.08); }
.race-protoss { color: #ffedb3; border-color: rgba(255,209,102,.35); background: rgba(34,211,238,.08); }
.unit-card[aria-expanded="true"] { border-color: rgba(34,211,238,.58); }
.lesson-number { background: rgba(34,211,238,.15); border-color: rgba(34,211,238,.25); }

.command-hero {
  min-height: 640px;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 5rem 1rem auto auto;
  width: 16rem;
  height: 16rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(34,211,238,.14), transparent 70%);
  filter: blur(10px);
  z-index: -1;
}
.command-panel {
  display: grid;
  gap: .9rem;
}
.command-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: .75rem;
  align-items: center;
  padding: .85rem;
  border-radius: 18px;
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.09);
}
.command-key {
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(34,211,238,.13);
  border: 1px solid rgba(34,211,238,.24);
  font-weight: 900;
  color: #d5fbff;
}
.command-status { color: var(--green); font-weight: 850; font-size: .82rem; }
.path-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.path-step {
  position: relative;
  overflow: hidden;
}
.path-step::before {
  content: attr(data-step);
  position: absolute;
  right: .9rem;
  top: .5rem;
  font-size: 3.5rem;
  line-height: 1;
  font-weight: 950;
  color: rgba(34,211,238,.09);
}
.noob-detector {
  border: 1px solid rgba(34,211,238,.22);
  background: linear-gradient(145deg, rgba(10,20,31,.94), rgba(20,12,28,.88));
  border-radius: 28px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.noob-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}
.risk-meter {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--red) var(--risk, 0deg), rgba(255,255,255,.1) 0deg);
  border: 1px solid rgba(255,255,255,.12);
}
.risk-meter span {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: #0b0f19;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: .78rem;
  color: var(--muted);
  font-weight: 850;
  padding: .5rem;
}
.trap-button {
  min-height: 72px;
  position: relative;
  overflow: hidden;
}
.trap-button::after {
  content: "Check";
  position: absolute;
  right: .65rem;
  bottom: .5rem;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.trap-button[aria-pressed="true"]::after { content: "Risk"; color: #ffd5d5; }
.trap-summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .75rem; margin-top: 1rem; }

.matchup-top-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: .75rem;
  align-items: end;
}
.matchup-top-grid .button-primary { width: 100%; }
.matchup-context {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(260px,.42fr);
  gap: 1rem;
  margin-top: 1rem;
}
.threat-panel {
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}
.threat-form {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  gap: .75rem;
  align-items: end;
}
.quick-timing {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: .7rem;
  margin-top: .9rem;
}
.timing-card {
  padding: .85rem;
  border-radius: 16px;
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.08);
}
.timing-card strong { display: block; color: var(--text); }

.tier-controls {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr minmax(180px,.7fr);
  gap: .75rem;
  margin: 1rem 0;
}
.segmented-control {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.segmented-control button[aria-pressed="true"] {
  background: linear-gradient(135deg, rgba(34,211,238,.23), rgba(57,217,138,.16));
  border-color: rgba(34,211,238,.5);
  color: var(--text);
}
.tier-board {
  display: grid;
  gap: .75rem;
}
.tier-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  min-height: 86px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}
.tier-label {
  display: grid;
  place-items: center;
  font-weight: 950;
  font-size: 1.5rem;
  border-right: 1px solid rgba(255,255,255,.1);
}
.tier-label[data-tier="S"] { background: rgba(255,209,102,.18); color: #fff0bd; }
.tier-label[data-tier="A"] { background: rgba(57,217,138,.15); color: #c9ffe4; }
.tier-label[data-tier="B"] { background: rgba(34,211,238,.12); color: #d5fbff; }
.tier-label[data-tier="C"] { background: rgba(168,179,199,.10); color: #dce5f4; }
.tier-label[data-tier="D"] { background: rgba(255,209,102,.10); color: #fff0bd; }
.tier-label[data-tier="F"] { background: rgba(255,107,107,.13); color: #ffd5d5; }
.tier-label[data-tier="Unknown"] { background: rgba(255,107,107,.12); color: #ffd5d5; font-size: 1rem; }
.tier-units {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: .55rem;
  padding: .75rem;
}
.tier-chip {
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.065);
  color: var(--text);
  border-radius: 999px;
  padding: .45rem .7rem;
  font-weight: 800;
}
.tier-chip small { color: var(--muted); font-weight: 700; margin-left: .25rem; }
.tier-notes { margin-top: 1rem; }

.screen-switch { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1rem; }
.zvz-screen[hidden] { display: none; }
.learning-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; align-items: start; }
.lesson-stack { display: grid; gap: .85rem; }

@media (max-width: 980px) {
  .path-strip, .matchup-context, .quick-timing, .learning-grid { grid-template-columns: 1fr; }
  .tier-controls, .matchup-top-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 720px) {
  .noob-header, .trap-summary-grid, .threat-form, .tier-controls, .matchup-top-grid { grid-template-columns: 1fr; }
  .risk-meter { width: 90px; height: 90px; }
  .risk-meter span { width: 62px; height: 62px; }
  .tier-row { grid-template-columns: 64px 1fr; }
  .tier-label { font-size: 1.2rem; }
}


/* Revision 4 polish: full background art layer, visual matchup arena, icon-only rectangular tier list */
body {
  background:
    radial-gradient(circle at 50% -10%, rgba(34,211,238,.15), transparent 38rem),
    linear-gradient(180deg, #060914 0%, #0a0f19 48%, #050812 100%);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  width: auto;
  height: auto;
  pointer-events: none;
  z-index: -2;
  opacity: .92;
  background-image: url('../assets/background-1920.png');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  filter: saturate(1.08) contrast(1.04);
}
body::after { display: none !important; }
.container {
  position: relative;
}
.container::before {
  content: "";
  position: fixed;
  inset: 0 calc((100vw - min(var(--max), 100vw)) / 2);
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(7,10,17,.88), rgba(7,10,17,.66) 16%, rgba(7,10,17,.66) 84%, rgba(7,10,17,.88));
  box-shadow: 0 0 120px rgba(0,0,0,.65);
}
.site-header { background: rgba(6, 10, 18, .86); }
.command-hero { min-height: 610px; }
.hero h1, .page-title { text-shadow: 0 0 38px rgba(34,211,238,.12); }
.button-primary { background: linear-gradient(135deg, #67e8f9, #39d98a); box-shadow: 0 16px 42px rgba(34,211,238,.16); }
.card, .card-warning, .card-success, .card-conditional, .tool-panel, .hero-panel {
  backdrop-filter: blur(14px);
}
.matchup-primer h2 { font-size: clamp(1.35rem, 2.8vw, 2rem); }
.command-card { border-color: rgba(34,211,238,.24); }
.priority-threat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: .75rem;
  margin: .9rem 0 1rem;
}
.priority-threat-card {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: .7rem;
  align-items: center;
  text-align: left;
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(34,211,238,.055));
  color: var(--text);
  border-radius: 16px;
  padding: .7rem;
  min-height: 76px;
}
.priority-threat-card:hover { border-color: rgba(34,211,238,.55); transform: translateY(-1px); }
.priority-threat-card img { width: 52px; height: 52px; border-radius: 12px; image-rendering: auto; border: 1px solid rgba(255,255,255,.14); }
.priority-threat-card span { display: grid; gap: .1rem; }
.priority-threat-card small { color: var(--muted); font-weight: 750; }
.priority-threat-card em { font-style: normal; justify-self: end; }
.response-arena {
  display: grid;
  grid-template-columns: minmax(150px,.72fr) minmax(280px,1.5fr) minmax(170px,.78fr);
  gap: 1rem;
  align-items: stretch;
  margin-top: 1rem;
}
.arena-side, .arena-strategy {
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(10,16,28,.84);
  padding: 1rem;
  box-shadow: 0 18px 45px rgba(0,0,0,.20);
}
.enemy-side { border-radius: 24px 8px 8px 24px; border-color: rgba(255,107,107,.26); }
.counter-side { border-radius: 8px 24px 24px 8px; border-color: rgba(57,217,138,.26); }
.arena-strategy { border-radius: 8px; border-color: rgba(34,211,238,.24); }
.arena-kicker { color: var(--muted); text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 900; margin-bottom: .7rem; }
.unit-portrait { margin: 0; display: grid; justify-items: center; gap: .45rem; }
.unit-portrait img { width: 74px; height: 74px; border-radius: 14px; border: 1px solid rgba(255,255,255,.16); box-shadow: 0 0 30px rgba(34,211,238,.10); background: #111827; }
.unit-portrait.large img { width: min(116px, 36vw); height: min(116px, 36vw); border-radius: 18px; }
.unit-portrait.counter img { width: 76px; height: 76px; }
.unit-portrait figcaption { color: var(--text); font-weight: 850; text-align: center; line-height: 1.15; }
.counter-portraits { display: grid; gap: .75rem; justify-content: center; }
.center-badges { justify-content: center; }
.response-badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .75rem; }
.response-badge, .priority-threat-card em {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: .28rem .55rem;
  font-size: .78rem;
  font-weight: 850;
  border: 1px solid rgba(255,255,255,.14);
}
.priority-low { color: #d7ffe9; background: rgba(57,217,138,.13); border-color: rgba(57,217,138,.32); }
.priority-medium { color: #fff0bd; background: rgba(255,209,102,.14); border-color: rgba(255,209,102,.34); }
.priority-high { color: #ffe0bd; background: rgba(255,159,67,.16); border-color: rgba(255,159,67,.38); }
.priority-critical { color: #ffd5d5; background: rgba(255,107,107,.18); border-color: rgba(255,107,107,.42); }
.skill-low { color: #dce5f4; background: rgba(168,179,199,.12); border-color: rgba(168,179,199,.25); }
.skill-medium { color: #c8fbff; background: rgba(34,211,238,.13); border-color: rgba(34,211,238,.30); }
.skill-high { color: #e7d4ff; background: rgba(178,109,255,.14); border-color: rgba(178,109,255,.34); }
.skill-very-high { color: #f0dcff; background: rgba(147,51,234,.20); border-color: rgba(178,109,255,.45); }
.sort-score { color: var(--muted); background: rgba(255,255,255,.06); }
.main-response { font-size: 1.08rem; color: #eef9ff; line-height: 1.65; }
.timing-strip { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: .6rem; margin: 1rem 0; }
.timing-strip div { border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.055); border-radius: 14px; padding: .7rem; }
.timing-strip strong { display: block; color: var(--text); }
.timing-strip span { color: var(--muted); font-size: .92rem; }
.response-note { margin-top: .75rem; border: 1px solid rgba(255,255,255,.11); border-radius: 14px; padding: .75rem; background: rgba(255,255,255,.045); }
.response-note ul { margin: .35rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.response-note.warning { border-color: rgba(255,107,107,.32); background: rgba(255,107,107,.08); }
.response-note.avoid { border-color: rgba(255,159,67,.26); background: rgba(255,159,67,.07); }
.threat-form { grid-template-columns: minmax(240px, 1fr) auto; }
.tier-controls { align-items: end; }
#tier-summary { border-radius: 0; padding: .8rem 1rem; margin-bottom: .5rem; background: rgba(6,10,18,.9); border-color: rgba(34,211,238,.22); }
.tier-summary-bar { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: var(--muted); }
.tier-summary-bar strong { color: var(--text); }
.tier-board { gap: 0; border: 1px solid rgba(255,255,255,.14); background: rgba(7,11,19,.88); }
.tier-row-table {
  border-radius: 0;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.12);
  min-height: 88px;
  background: rgba(255,255,255,.035);
}
.tier-row-table:last-child { border-bottom: 0; }
.tier-label { border-right: 1px solid rgba(255,255,255,.12); border-radius: 0; }
.tier-icon-row { align-items: center; gap: .35rem; padding: .6rem; }
.tier-icon {
  width: 68px;
  height: 68px;
  padding: 2px;
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(255,255,255,.055);
  border-radius: 0;
  display: grid;
  place-items: center;
}
.tier-icon:hover { border-color: rgba(34,211,238,.55); transform: translateY(-1px); }
.tier-icon img { width: 64px; height: 64px; display: block; border-radius: 0; }
.tier-empty { color: rgba(255,255,255,.22); font-size: 1.7rem; padding-left: .35rem; }
.tier-detail-dock {
  margin-top: .75rem;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  border-radius: 0;
  padding: .8rem 1rem;
  display: flex;
  gap: .75rem;
  align-items: center;
  flex-wrap: wrap;
}
.tier-detail-dock span { color: var(--muted); }
.tier-label[data-tier="Unknown"] { display:none; }
@media (max-width: 980px) {
  .priority-threat-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .response-arena { grid-template-columns: 1fr; }
  .enemy-side, .counter-side, .arena-strategy { border-radius: 18px; }
  .counter-portraits { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .priority-threat-grid, .timing-strip, .threat-form { grid-template-columns: 1fr; }
  .tier-row-table { grid-template-columns: 52px 1fr; min-height: 70px; }
  .tier-icon { width: 56px; height: 56px; }
  .tier-icon img { width: 52px; height: 52px; }
  .priority-threat-card { grid-template-columns: 46px 1fr; }
  .priority-threat-card em { grid-column: 2; justify-self: start; }
}

/* Revision 5: configurable background settings + wave function landing/page */
:root {
  --site-bg-image: url('../assets/background-1920.png');
}
body::before {
  background-image: var(--site-bg-image, url('../assets/background-1920.png'));
}
.settings-trigger {
  color: var(--muted);
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .55rem .75rem;
  transition: all .15s ease;
}
.settings-trigger:hover,
.settings-trigger:focus-visible {
  color: var(--text);
  background: rgba(34,211,238,.10);
  border-color: rgba(34,211,238,.35);
}
.settings-panel[hidden] { display: none; }
.settings-panel {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.settings-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.68);
  backdrop-filter: blur(10px);
}
.settings-card {
  position: relative;
  width: min(560px, 100%);
  border: 1px solid rgba(34,211,238,.22);
  border-radius: 24px;
  padding: 1.35rem;
  background: linear-gradient(180deg, rgba(17,24,39,.98), rgba(7,11,19,.98));
  box-shadow: 0 26px 80px rgba(0,0,0,.55);
}
.settings-card h2 { margin: .15rem 0 .45rem; font-size: 1.75rem; }
.settings-close {
  position: absolute;
  top: .85rem;
  right: .85rem;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  color: var(--text);
  background: rgba(255,255,255,.06);
  font-size: 1.25rem;
}
.settings-message {
  min-height: 1.5rem;
  margin: .75rem 0;
  color: var(--muted);
}
.settings-message.success { color: #c8ffe1; }
.settings-message.error { color: #ffd5d5; }
body.settings-open { overflow: hidden; }
.inline-link {
  color: #9ef6ff;
  text-decoration: underline;
  text-underline-offset: .18em;
}
.wave-entry {
  position: fixed;
  inset: 0;
  z-index: 180;
  display: grid;
  place-items: center;
  padding: clamp(.8rem, 2.5vw, 2rem);
  background:
    radial-gradient(circle at 50% 0%, rgba(34,211,238,.20), transparent 42rem),
    radial-gradient(circle at 10% 50%, rgba(178,109,255,.14), transparent 30rem),
    rgba(3, 7, 14, .98);
  overflow: hidden;
  opacity: calc(1 - var(--wave-dismiss-progress, 0));
  transform: translateY(calc(var(--wave-dismiss-progress, 0) * -58px)) scale(calc(1 - var(--wave-dismiss-progress, 0) * .025));
  transition: opacity .16s linear, transform .16s linear;
}
.wave-entry::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--site-bg-image, url('../assets/background-1920.png'));
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  opacity: .42;
  pointer-events: none;
}
.wave-entry::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3,7,14,.96), rgba(3,7,14,.76) 22%, rgba(3,7,14,.76) 78%, rgba(3,7,14,.96));
  pointer-events: none;
}
.wave-entry.dismissed {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-90px) scale(.985);
}
body.wave-entry-active { overflow: hidden; }
.wave-entry-inner {
  position: relative;
  z-index: 1;
  width: min(1500px, 100%);
  max-height: min(94vh, 980px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: clamp(.7rem, 1.8vw, 1.2rem);
  border: 1px solid rgba(34,211,238,.20);
  border-radius: 28px;
  padding: clamp(.85rem, 2.2vw, 1.45rem);
  background: linear-gradient(180deg, rgba(8,13,24,.90), rgba(6,10,18,.94));
  box-shadow: 0 36px 110px rgba(0,0,0,.62);
  overflow: auto;
}
.wave-entry-copy {
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}
.wave-entry-copy h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.8rem);
  line-height: .94;
  letter-spacing: -.055em;
}
.wave-entry-copy p {
  color: var(--muted);
  margin: .85rem auto 0;
  max-width: 86ch;
  font-size: clamp(.96rem, 1.5vw, 1.13rem);
}
.wave-entry-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.10);
  padding-top: .8rem;
}
.wave-entry-bottom p { margin: 0; color: var(--muted); }
.wave-learning-card {
  border: 1px solid rgba(34,211,238,.18);
  border-radius: 28px;
  padding: clamp(.85rem, 2vw, 1.25rem);
  background: rgba(7,11,19,.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.wave-learning-grid {
  display: grid;
  grid-template-columns: minmax(180px, .48fr) minmax(420px, 680px) minmax(180px, .48fr);
  gap: clamp(.7rem, 1.5vw, 1rem);
  align-items: stretch;
  justify-content: center;
}
.landing-wave-grid {
  grid-template-columns: minmax(160px, .42fr) minmax(360px, 680px) minmax(160px, .42fr);
}
.wave-animation-shell {
  min-width: 0;
  align-self: center;
}
.wave-animation-mount > div {
  margin: 0 auto;
  box-shadow: 0 20px 80px rgba(34,211,238,.08);
}
.wave-side-notes {
  display: grid;
  grid-template-rows: repeat(4, 115px);
  gap: 0;
  align-self: center;
}
.wave-note-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: .65rem;
  align-items: center;
  min-height: 115px;
  padding: .72rem;
  border: 1px solid rgba(255,255,255,.105);
  border-bottom-width: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.06), rgba(34,211,238,.035));
}
.wave-note-row:first-child { border-radius: 18px 18px 0 0; }
.wave-note-row:last-child { border-bottom-width: 1px; border-radius: 0 0 18px 18px; }
.wave-note-row strong {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: #04100c;
  background: linear-gradient(135deg, #67e8f9, #39d98a);
  font-size: 1.05rem;
  line-height: 1;
}
.wave-note-row span {
  color: #edfaff;
  font-weight: 830;
  line-height: 1.18;
}
.wave-note-row em {
  display: inline-block;
  margin-left: .25rem;
  color: #9ef6ff;
  font-style: normal;
  font-weight: 900;
}
.wave-page-container { padding-top: 1.5rem; }
.compact-hero {
  padding: clamp(2.2rem, 5vw, 4.6rem) 0 1rem;
  display: block;
}
.wave-page-hero .lede { max-width: 82ch; }
.wave-explainer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.wave-explainer-grid .card h2 {
  margin: 0 0 .6rem;
  font-size: clamp(1.2rem, 2.3vw, 1.65rem);
  line-height: 1.12;
}
.wave-explainer-grid .card p { margin-bottom: 0; }
.wave-entry .wave-animation-mount canvas,
.wave-learning-card .wave-animation-mount canvas {
  max-height: 62vh;
}
@media (max-width: 1180px) {
  .wave-learning-grid,
  .landing-wave-grid {
    grid-template-columns: 1fr;
  }
  .wave-side-notes {
    grid-template-rows: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .6rem;
  }
  .wave-note-row,
  .wave-note-row:first-child,
  .wave-note-row:last-child {
    min-height: auto;
    border-width: 1px;
    border-radius: 16px;
  }
  .wave-entry-inner { max-height: 96vh; }
}
@media (max-width: 720px) {
  .wave-side-notes,
  .wave-explainer-grid { grid-template-columns: 1fr; }
  .wave-entry { padding: .55rem; }
  .wave-entry-inner { border-radius: 20px; }
  .wave-entry-copy h1 { font-size: clamp(1.9rem, 10vw, 3rem); }
  .wave-note-row { grid-template-columns: 36px 1fr; }
  .wave-note-row strong { width: 30px; height: 30px; }
}

/* ============================================================
   Revision 6: Race quick-start, card accents, popup close btn,
   nav active glow, path-step colors, hover glows
   ============================================================ */

/* --- Nav active state: visible cyan glow instead of bare bg --- */
.nav-links a.active {
  color: #edfaff !important;
  background: rgba(34,211,238,.15) !important;
  border: 1px solid rgba(34,211,238,.38);
  box-shadow: 0 0 14px rgba(34,211,238,.10);
}

/* --- Wave entry: close button row layout --- */
.wave-entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}
.wave-close-btn {
  min-width: 170px;
}
kbd {
  display: inline-block;
  padding: .1em .4em;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 6px;
  font-size: .85em;
  background: rgba(255,255,255,.08);
}

/* --- Race quick-start section --- */
.race-quickstart {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1rem;
  margin-top: .75rem;
}
.race-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  padding: 1.6rem 1rem 1.4rem;
  border-radius: 22px;
  border: 1.5px solid transparent;
  background: rgba(255,255,255,.055);
  color: var(--text);
  font-weight: 850;
  font-size: 1rem;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  text-decoration: none;
  text-align: center;
}
.race-btn-icon { font-size: 2.2rem; line-height: 1; }
.race-label { font-size: 1.15rem; font-weight: 870; letter-spacing: -.01em; }
.race-desc { color: var(--muted); font-size: .84rem; font-weight: 600; line-height: 1.35; }

.race-btn-zerg  { border-color: rgba(178,109,255,.32); background: linear-gradient(160deg, rgba(178,109,255,.08), rgba(8,11,18,.6)); }
.race-btn-zerg:hover  { border-color: rgba(178,109,255,.70); background: rgba(178,109,255,.13); box-shadow: 0 0 42px rgba(178,109,255,.18), 0 8px 32px rgba(0,0,0,.3); transform: translateY(-4px); }

.race-btn-terran { border-color: rgba(34,211,238,.32); background: linear-gradient(160deg, rgba(34,211,238,.08), rgba(8,11,18,.6)); }
.race-btn-terran:hover { border-color: rgba(34,211,238,.70); background: rgba(34,211,238,.13); box-shadow: 0 0 42px rgba(34,211,238,.18), 0 8px 32px rgba(0,0,0,.3); transform: translateY(-4px); }

.race-btn-protoss { border-color: rgba(255,209,102,.32); background: linear-gradient(160deg, rgba(255,209,102,.08), rgba(8,11,18,.6)); }
.race-btn-protoss:hover { border-color: rgba(255,209,102,.70); background: rgba(255,209,102,.13); box-shadow: 0 0 42px rgba(255,209,102,.18), 0 8px 32px rgba(0,0,0,.3); transform: translateY(-4px); }

@media (max-width: 600px) {
  .race-quickstart { grid-template-columns: 1fr; }
}

/* --- Tool card accent top-borders + hover color glows --- */
.card-link[data-accent] {
  border-top-width: 2px;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.card-link[data-accent="green"]  { border-top-color: rgba(57,217,138,.60); }
.card-link[data-accent="green"]:hover  { box-shadow: 0 14px 44px rgba(57,217,138,.14), 0 4px 16px rgba(0,0,0,.24); border-color: rgba(57,217,138,.55); }

.card-link[data-accent="cyan"]   { border-top-color: rgba(34,211,238,.60); }
.card-link[data-accent="cyan"]:hover   { box-shadow: 0 14px 44px rgba(34,211,238,.14), 0 4px 16px rgba(0,0,0,.24); border-color: rgba(34,211,238,.55); }

.card-link[data-accent="purple"] { border-top-color: rgba(178,109,255,.60); }
.card-link[data-accent="purple"]:hover { box-shadow: 0 14px 44px rgba(178,109,255,.14), 0 4px 16px rgba(0,0,0,.24); border-color: rgba(178,109,255,.55); }

.card-link[data-accent="gold"]   { border-top-color: rgba(255,209,102,.60); }
.card-link[data-accent="gold"]:hover   { box-shadow: 0 14px 44px rgba(255,209,102,.14), 0 4px 16px rgba(0,0,0,.24); border-color: rgba(255,209,102,.55); }

.card-link[data-accent="orange"] { border-top-color: rgba(255,159,67,.60); }
.card-link[data-accent="orange"]:hover { box-shadow: 0 14px 44px rgba(255,159,67,.14), 0 4px 16px rgba(0,0,0,.24); border-color: rgba(255,159,67,.55); }

/* Make the icon slightly larger and tinted per accent */
.card-link[data-accent] .card-icon { font-size: 1.85rem; }

/* --- Path step color accent top-borders --- */
.path-step[data-step="01"] { border-top: 2px solid rgba(34,211,238,.55); }
.path-step[data-step="01"]::before { color: rgba(34,211,238,.11); }
.path-step[data-step="02"] { border-top: 2px solid rgba(178,109,255,.55); }
.path-step[data-step="02"]::before { color: rgba(178,109,255,.11); }
.path-step[data-step="03"] { border-top: 2px solid rgba(255,209,102,.55); }
.path-step[data-step="03"]::before { color: rgba(255,209,102,.11); }

/* --- Primary button shimmer on hover --- */
@keyframes btn-shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}
.button-primary:hover {
  background: linear-gradient(135deg, #67e8f9, #39d98a, #67e8f9);
  background-size: 200% auto;
  animation: btn-shimmer .9s linear infinite;
}