/* Base que antes vinha do ambiente de publicação */
:root { color-scheme: dark; padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
body { margin: 0; }
img { max-width: 100%; }
[hidden] { display: none !important; }

/* Layout: caderno de laboratório em papel milimetrado; simulações vivas no lugar de ilustrações, acento na cor da lâmpada de sódio (589 nm) */
/* Paleta "lousa ao entardecer": ardósia média, texto marfim quente, um só tema para todos os visitantes */
:root {
  --paper: #2b3137;
  --paper-2: #353c43;
  --grid: #464e57;
  --lines: #31373e;
  --ink: #efe8dd;
  --ink-soft: #b7afa3;
  --accent: #f2a65a;
  --accent-ink: #f7c48f;
  --blue: #93bde8;
  --ok: #86cf9f;
  --bad: #f0958a;
  --card: #343b42;
  --glow: rgba(242, 166, 90, 0.07);
  --display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;
  --body: "Literata", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background-color: var(--paper);
  background-image:
    radial-gradient(ellipse 90% 60% at 50% 0%, var(--glow), transparent 70%),
    linear-gradient(var(--lines) 1px, transparent 1px),
    linear-gradient(90deg, var(--lines) 1px, transparent 1px);
  background-size: 100% 100%, 24px 24px, 24px 24px;
  background-attachment: fixed, scroll, scroll;
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); }
.wrap {
  max-width: 1120px; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
h1, h2, h3 { font-family: var(--display); line-height: 1.1; text-wrap: balance; margin: 0; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0; }
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.label {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft);
}

/* Cabeçalho */
header.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--grid);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 12px; flex-wrap: wrap; }
.brand { font-family: var(--display); font-weight: 800; font-size: 1.2rem; display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand svg { flex: none; }
nav.links { display: flex; gap: 18px; flex-wrap: wrap; font-family: var(--display); font-weight: 500; font-size: 0.95rem; }
nav.links a { color: var(--ink-soft); text-decoration: none; }
nav.links a:hover { color: var(--ink); }

section { padding-block: 64px; }
.section-head { display: grid; gap: 10px; margin-bottom: 32px; max-width: 62ch; }
.section-head p { color: var(--ink-soft); }

/* Hero */
.hero { padding-block: 48px 64px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: start; }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.2rem); font-weight: 800; letter-spacing: -0.025em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede { margin-top: 20px; font-size: 1.15rem; max-width: 46ch; }
.hero .eq-strip { margin-top: 28px; display: grid; gap: 8px; }
.eq { font-family: var(--mono); font-size: 0.95rem; color: var(--ink); }
.eq b { color: var(--accent-ink); font-weight: 600; }
.cta-row { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  font-family: var(--display); font-weight: 700; font-size: 1rem;
  border: 2px solid var(--ink); background: var(--ink); color: var(--paper);
  padding: 10px 18px; border-radius: 6px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
}
.btn.ghost { background: transparent; color: var(--ink); }
.btn:hover { transform: translateY(-1px); }
.btn.accent { background: var(--accent); border-color: var(--accent); color: #1a0d02; }

/* Bancada (simulação) */
.bench {
  background: var(--card); border: 1px solid var(--grid); border-radius: 10px;
  box-shadow: 0 1px 0 var(--grid), 0 14px 32px -18px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}
.bench-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px dashed var(--grid); gap: 12px; flex-wrap: wrap; }
.bench canvas { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; max-width: 100%; }
.controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; padding: 16px; border-top: 1px dashed var(--grid); }
.ctrl { display: grid; gap: 4px; min-width: 0; }
.ctrl label { display: flex; justify-content: space-between; gap: 8px; font-family: var(--mono); font-size: 0.8rem; color: var(--ink-soft); }
.ctrl output { color: var(--ink); font-weight: 600; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
select { font: inherit; font-family: var(--mono); font-size: 0.85rem; padding: 6px 8px; border-radius: 6px; border: 1px solid var(--grid); background: var(--paper); color: var(--ink); width: 100%; }
.readout { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--grid); }
.readout div { padding: 12px 16px; display: grid; gap: 2px; }
.readout div + div { border-left: 1px solid var(--grid); }
.readout .v { font-family: var(--mono); font-size: 1.25rem; font-weight: 600; font-variant-numeric: tabular-nums; }

/* Trilhas */
.tracks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.track {
  background: var(--card); border: 1px solid var(--grid); border-radius: 8px; padding: 20px;
  display: grid; grid-template-rows: auto auto 1fr auto; gap: 10px; min-width: 0;
}
.track .top-line { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.track .sym { font-family: var(--mono); font-size: 1.6rem; color: var(--accent-ink); font-weight: 600; }
.track p { color: var(--ink-soft); font-size: 0.98rem; }
/* seta de vetor desenhada por CSS (a fonte não tem o caractere combinante) */
.vec { position: relative; display: inline-block; }
.vec::after { content: ""; position: absolute; left: 0.08em; right: 0.02em; top: -0.1em; height: 0.07em; background: currentColor; border-radius: 1px; }
.vec::before { content: ""; position: absolute; right: -0.02em; top: -0.19em; border-left: 0.2em solid currentColor; border-top: 0.12em solid transparent; border-bottom: 0.12em solid transparent; }
.track .key { font-family: var(--mono); font-size: 0.9rem; background: var(--paper-2); padding: 8px 10px; border-radius: 6px; overflow-x: auto; white-space: nowrap; }
.track ul { margin: 0; padding-left: 18px; font-size: 0.95rem; }
.pill { font-family: var(--mono); font-size: 0.72rem; padding: 2px 8px; border-radius: 99px; border: 1px solid currentColor; white-space: nowrap; }
.pill.b { color: var(--ok); } .pill.i { color: var(--blue); } .pill.a { color: var(--bad); }

/* Lição */
.lesson { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px; align-items: start; }
.prose { display: grid; gap: 18px; max-width: 65ch; }
.prose h3 { margin-top: 8px; }
.law { display: grid; grid-template-columns: 3.2rem minmax(0, 1fr); gap: 14px; align-items: start; }
.law .n { font-family: var(--display); font-weight: 800; font-size: 2rem; color: var(--accent); line-height: 1; }
.worked {
  background: var(--card); border: 1px solid var(--grid); border-left: 4px solid var(--blue); border-radius: 6px; padding: 20px; display: grid; gap: 10px;
}
.worked ol { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.pend-box { display: grid; gap: 0; }
.pend-box canvas { aspect-ratio: 4 / 5; }
.pend-box .controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* Laboratório */
.lab { display: grid; gap: 56px; }
.lab-item { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: start; }
.lab-item .prose { gap: 14px; }
.tips { margin: 0; padding-left: 20px; display: grid; gap: 6px; color: var(--ink-soft); font-size: 0.98rem; }
.controls.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bench-note { padding: 10px 16px; border-top: 1px solid var(--grid); font-size: 0.85rem; color: var(--ink-soft); }

/* Quiz */
.quiz { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.q { background: var(--card); border: 1px solid var(--grid); border-radius: 8px; padding: 20px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.q .opts { display: grid; gap: 8px; }
.q button.opt {
  font: inherit; font-size: 0.98rem; text-align: left; padding: 10px 12px; border-radius: 6px;
  border: 1px solid var(--grid); background: var(--paper); color: var(--ink); cursor: pointer;
}
.q button.opt:hover:not(:disabled) { border-color: var(--ink-soft); }
.q button.opt:disabled { cursor: default; }
.q button.opt.right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, var(--paper)); }
.q button.opt.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--paper)); }
.q .fb { font-size: 0.95rem; color: var(--ink-soft); }
.score { margin-top: 20px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; font-family: var(--display); font-weight: 700; }

/* Constantes */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--grid); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--grid); }
th { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); font-weight: 400; }
td.sym { font-family: var(--mono); color: var(--accent-ink); font-weight: 600; }
td.val { font-family: var(--mono); font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: 0; }

footer { border-top: 1px solid var(--grid); background: var(--paper); }
footer .wrap { padding-block: 28px 40px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--ink-soft); font-size: 0.92rem; }

@media (max-width: 900px) {
  .hero-grid, .lesson, .lab-item { grid-template-columns: minmax(0, 1fr); }
  .tracks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  section { padding-block: 44px; }
  .tracks, .quiz { grid-template-columns: minmax(0, 1fr); }
  .controls { grid-template-columns: minmax(0, 1fr); }
  .readout .v { font-size: 1.05rem; }
  .readout div { padding: 10px; }
  nav.links { gap: 12px; font-size: 0.88rem; }
}

/* Item do menu da página atual */
nav.links a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 6px; }

/* Chamada para o quiz na página inicial */
.quiz-cta { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; background: var(--card); border: 1px solid var(--grid); border-radius: 10px; padding: 28px; }
.quiz-cta .section-head { margin-bottom: 0; }

/* Simulado ENEM */
.exam { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 24px; align-items: start; }
.exam-card { background: var(--card); border: 1px solid var(--grid); border-radius: 10px; padding: 28px; display: grid; gap: 18px; min-width: 0; }
.exam-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.exam-q { font-size: 1.1rem; max-width: 65ch; }
.alts { display: grid; gap: 10px; }
.alt {
  display: grid; grid-template-columns: 2.25rem minmax(0, 1fr); gap: 12px; align-items: center;
  font: inherit; text-align: left; padding: 10px 14px 10px 10px; border-radius: 8px;
  border: 1px solid var(--grid); background: var(--paper); color: var(--ink); cursor: pointer;
  transition: border-color .15s, background-color .15s, transform .15s, opacity .2s;
}
.alt:hover:not(:disabled) { border-color: var(--ink-soft); transform: translateX(3px); }
.alt:disabled { cursor: default; }
.alt .letter {
  width: 2.25rem; height: 2.25rem; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--display); font-weight: 800; border: 2px solid var(--ink-soft); color: var(--ink-soft);
}
.alt.right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 16%, var(--paper)); }
.alt.right .letter { background: var(--ok); border-color: var(--ok); color: var(--card); }
.alt.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--paper)); }
.alt.wrong .letter { background: var(--bad); border-color: var(--bad); color: var(--card); }
.alt.dim { opacity: .5; }
.alt.celebrate { animation: celebrate .7s cubic-bezier(.2, 1.6, .4, 1); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 30%, transparent); }
.alt.shake { animation: shake .4s; }
@keyframes celebrate { 0% { transform: scale(1); } 40% { transform: scale(1.04); } 100% { transform: scale(1); } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
.feedback { display: grid; gap: 12px; }
.cheer {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 8px;
  background: color-mix(in srgb, var(--ok) 14%, var(--card)); border: 1px solid var(--ok);
}
.cheer.miss { background: color-mix(in srgb, var(--bad) 10%, var(--card)); border-color: var(--bad); }
.cheer .big { font-family: var(--display); font-weight: 800; font-size: 1.3rem; line-height: 1.2; color: var(--ok); }
.cheer.miss .big { color: var(--bad); }
.cheer.pop { animation: pop .55s cubic-bezier(.2, 1.6, .4, 1); }
.cheer svg { flex: none; }
@keyframes pop { 0% { transform: scale(.85); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
.check-draw path { stroke-dasharray: 40; stroke-dashoffset: 40; animation: draw .5s .15s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.explain { color: var(--ink-soft); max-width: 65ch; }
.exam-nav { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.exam-nav .spacer { flex: 1; }
.result-title { font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800; }
.result-score { font-size: 1.2rem; font-weight: 600; }
.side {
  background: var(--card); border: 1px solid var(--grid); border-radius: 10px; padding: 20px;
  display: grid; gap: 14px; position: sticky; top: calc(env(safe-area-inset-top, 0px) + 84px);
}
.score-big { font-family: var(--display); font-weight: 800; font-size: 2.6rem; line-height: 1; font-variant-numeric: tabular-nums; position: relative; }
.score-big small { font-size: 1rem; color: var(--ink-soft); font-weight: 500; }
.plus { position: absolute; left: 0; top: -0.4rem; font-size: 1.2rem; color: var(--ok); animation: plus 1s forwards; pointer-events: none; }
@keyframes plus { from { transform: translate(2.6rem, 0); opacity: 1; } to { transform: translate(2.6rem, -30px); opacity: 0; } }
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.steps button {
  height: 36px; border-radius: 6px; border: 1px solid var(--grid); background: var(--paper); color: var(--ink-soft);
  font-family: var(--mono); font-size: .9rem; font-variant-numeric: tabular-nums; cursor: pointer;
  transition: background-color .3s, border-color .2s;
}
.steps button:hover { border-color: var(--ink-soft); color: var(--ink); }
.steps button.ok { background: var(--ok); border-color: var(--ok); color: var(--card); }
.steps button.bad { background: var(--bad); border-color: var(--bad); color: var(--card); }
.steps button.skip { border-style: dashed; border-color: var(--accent); color: var(--accent-ink); }
.steps button.now { outline: 2px solid var(--ink); outline-offset: 2px; color: var(--ink); font-weight: 600; }
.side-status { font-size: .85rem; color: var(--ink-soft); }
.side .btn { justify-content: center; }
.topics { display: grid; gap: 8px; font-size: .92rem; }
.topics div { display: flex; justify-content: space-between; gap: 8px; }
#confetti { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 20; }
@media (prefers-reduced-motion: reduce) {
  .alt.celebrate, .alt.shake, .cheer.pop, .plus { animation: none; }
  .check-draw path { animation: none; stroke-dashoffset: 0; }
}
@media (max-width: 900px) {
  .exam { grid-template-columns: minmax(0, 1fr); }
  .side { position: static; order: -1; }
}
@media (max-width: 620px) { .exam-card { padding: 16px; } .figure { padding: 4px; margin-inline: -4px; } }

/* Circuitos desenhados nas questões */
.figure { margin: 0; background: var(--paper); border: 1px solid var(--grid); border-radius: 8px; padding: 12px; overflow-x: auto; }
.circ { display: block; width: 100%; max-width: 520px; height: auto; margin: 0 auto; }
.circ .wire { fill: none; stroke: var(--ink); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.circ .res { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; }
.circ .plate { stroke: var(--ink); stroke-width: 6; }
.circ .node { fill: var(--ink); }
.circ .term { fill: var(--card); stroke: var(--ink); stroke-width: 2.5; }
.circ .probe { stroke: var(--blue); stroke-width: 2; stroke-dasharray: 6 5; }
.circ text { font-family: var(--mono); font-size: 18px; fill: var(--ink); }
.circ .lbl { font-family: var(--display); font-weight: 800; font-size: 22px; }
.circ .ask { fill: var(--blue); font-weight: 600; }

/* Botão de som dos simulados */
.sound-toggle {
  justify-self: start; display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: .8rem; color: var(--ink-soft);
  background: var(--paper); border: 1px solid var(--grid); border-radius: 99px; padding: 5px 12px; cursor: pointer;
}
.sound-toggle:hover { color: var(--ink); border-color: var(--ink-soft); }
.sound-toggle[aria-pressed="true"] { color: var(--accent-ink); border-color: var(--accent); }

/* Laboratório: navegação por áreas e cabeçalho de cada área */
.area-nav { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.area-nav a {
  display: grid; gap: 2px; padding: 14px 16px; border-radius: 8px; border: 1px solid var(--grid);
  background: var(--card); color: var(--ink); text-decoration: none; font-family: var(--display); font-weight: 700;
  transition: border-color .15s, transform .15s;
}
.area-nav a:hover { border-color: var(--accent); transform: translateY(-2px); }
.area-nav .sym { color: var(--accent-ink); font-size: 1.3rem; font-weight: 600; }
.area-nav small { font-family: var(--mono); font-weight: 400; font-size: .72rem; color: var(--ink-soft); }
.area { padding-block: 40px; scroll-margin-top: 70px; }
.area + .area { border-top: 1px solid var(--grid); }
.area-head { display: flex; align-items: center; gap: 18px; margin-bottom: 32px; }
.area-sym {
  width: 64px; height: 64px; flex: none; display: grid; place-items: center; border-radius: 50%;
  border: 2px solid var(--accent); color: var(--accent-ink); font-size: 1.8rem; font-weight: 600;
}
.readout .v.small { font-size: 1rem; line-height: 1.3; }
.controls .ctrl[hidden] { display: none; }
@media (max-width: 900px) { .area-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 620px) {
  .area-nav { display: flex; flex-wrap: wrap; gap: 8px; }
  .area-nav a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 99px; font-size: .92rem; }
  .area-nav .sym { font-size: 1rem; }
  .area-nav small { display: none; }
  .area-sym { width: 52px; height: 52px; font-size: 1.5rem; }
}

/* Gráficos e áreas */
.rule-box { background: var(--card); border: 1px solid var(--grid); border-left: 4px solid var(--accent); border-radius: 8px; padding: 18px 20px; display: grid; gap: 8px; max-width: 900px; }
.rule-eq { font-size: 1.05rem; color: var(--accent-ink); }
td.sym a { color: var(--accent-ink); text-decoration: none; }
td.sym a:hover { text-decoration: underline; }
.graph-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.gcard {
  background: var(--card); border: 1px solid var(--grid); border-radius: 10px; overflow: hidden;
  display: grid; grid-template-rows: auto auto auto auto 1fr; scroll-margin-top: 80px; min-width: 0;
}
.gcard-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 18px 20px 6px; flex-wrap: wrap; }
.gcard-head .axes { font-size: 1.5rem; font-weight: 600; color: var(--accent-ink); display: block; line-height: 1.2; }
.gcard-head h3 { margin-top: 4px; }
.gcard-head .unit { font-size: .82rem; color: var(--ink-soft); border: 1px solid var(--grid); border-radius: 99px; padding: 3px 10px; white-space: nowrap; }
.gtext { padding: 0 20px 14px; color: var(--ink-soft); font-size: .97rem; }
.gcard canvas { display: block; width: 100%; height: auto; aspect-ratio: 18 / 11; border-block: 1px dashed var(--grid); }
.gres { display: grid; gap: 6px; padding: 14px 20px 18px; border-top: 1px solid var(--grid); font-family: var(--mono); font-size: .86rem; color: var(--ink-soft); align-content: start; }
.gres .big { font-size: 1.35rem; font-weight: 600; color: var(--ink); }
@media (max-width: 1000px) { .graph-grid { grid-template-columns: minmax(0, 1fr); } }
.rule-box p .mono { white-space: nowrap; }

/* Laboratório: cartões das simulações de atmosfera e clima */
.area-intro { color: var(--ink-soft); max-width: 70ch; margin-bottom: 24px; }
.sim-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.sim-card {
  display: grid; grid-template-rows: auto auto 1fr auto; gap: 10px; align-items: start; justify-items: start;
  padding: 20px; border-radius: 10px; border: 1px solid var(--grid); background: var(--card); color: var(--ink); text-decoration: none;
  transition: border-color .15s, transform .15s;
}
.sim-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.sim-card p { color: var(--ink-soft); font-size: .97rem; }
.sim-open { font-family: var(--display); font-weight: 700; color: var(--accent-ink); }
@media (max-width: 900px) { .sim-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .sim-grid { grid-template-columns: minmax(0, 1fr); } }