/* ==========================================================================
   02 · S360-OS — o agente de IA da Solução 360 (carro-chefe)
   Todo seletor escopado em .sec--s360os
   Cores da réplica do app (tema escuro do S360-OS) e dos módulos: BRIEF-S360OS.md
   ========================================================================== */

.sec--s360os {
  /* réplica do app */
  --app-bg: #0E0F11;
  --app-side: #111214;
  --app-panel: #16171A;
  --app-card: #1B1D20;
  --app-text: #E8EAED;
  --app-muted: #9AA0A8;
  --app-line: rgba(255, 255, 255, .08);
  --app-accent: #2BBFA4;
  --app-warn: #F59E0B;
  --os-line: rgba(143, 160, 182, .18);
  --os-log-h: min(392px, 52svh);
  background: var(--ink-2);
  padding-bottom: clamp(72px, 8vw, 112px);
  overflow: hidden;
}

.sec--s360os .os-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sec--s360os .os-ic { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.sec--s360os .os-sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- Fundo: ink-2 com brilho mint/cyan (distinto do hero) ---------- */
.sec--s360os .os-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.sec--s360os .os-bg::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(48% 42% at 30% 46%, rgba(62, 181, 166, .17), transparent 72%),
    radial-gradient(38% 36% at 92% 8%, rgba(31, 160, 200, .16), transparent 70%),
    radial-gradient(50% 40% at 70% 100%, rgba(38, 69, 127, .5), transparent 72%);
}
.sec--s360os .os-bg::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(42, 168, 180, .55) 30%, rgba(31, 160, 200, .55) 70%, transparent);
}

/* ---------- Cabeçalho ---------- */
.sec--s360os .os-head { display: grid; gap: 6px; }
.sec--s360os .os-eyebrow { flex-wrap: wrap; row-gap: 8px; }
.sec--s360os .os-new {
  display: inline-block; padding: 3px 9px; border-radius: 999px; margin-right: .2em;
  background: var(--grad); color: var(--ink); font-weight: 600; letter-spacing: .12em;
}
.sec--s360os .os-head .h2 { max-width: 17ch; }
.sec--s360os .os-head__lead { max-width: 52ch; color: #B4C1D2; }

/* ---------- Palco ---------- */
.sec--s360os .os-stage {
  margin-top: clamp(32px, 4.5vw, 56px);
  display: grid; gap: clamp(28px, 4vw, 48px); grid-template-columns: minmax(0, 1fr);
}

/* Abas de pedido: chips roláveis no mobile */
.sec--s360os .os-tabs {
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; overscroll-behavior-x: contain;
  margin: 0 calc(var(--gutter) * -1) 12px; padding: 4px var(--gutter) 4px; scroll-padding-inline: var(--gutter);
}
.sec--s360os .os-tabs[hidden] { display: none; }
/* faixa rolável (mobile): fade na borda direita enquanto houver abas escondidas */
.sec--s360os .os-tabs.is-scroll-r {
  -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 56px), transparent);
          mask-image: linear-gradient(90deg, #000 calc(100% - 56px), transparent);
}
.sec--s360os .os-demo { scroll-margin-top: calc(var(--nav-h) + 16px); }
/* conversa anterior enquanto o próximo pedido é digitado */
.sec--s360os .os-log.is-stale > * { opacity: .38; transition: opacity .4s var(--ease); }
.sec--s360os .os-tabs::-webkit-scrollbar { display: none; }
.sec--s360os .os-tab {
  flex: none; display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px; padding: 8px 16px 8px 13px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .14); background: rgba(10, 24, 48, .6);
  color: var(--slate-2); font-size: .92rem; font-weight: 500;
  transition: background-color .3s var(--ease), border-color .3s, color .3s;
}
.sec--s360os .os-tab__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 1.5px rgba(255, 255, 255, .22); }
.sec--s360os .os-tab__out { font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--slate-2); padding-left: 8px; border-left: 1px solid rgba(255, 255, 255, .16); }
.sec--s360os .os-tab:hover { color: var(--white); border-color: rgba(255, 255, 255, .3); }
.sec--s360os .os-tab[aria-selected="true"] { color: var(--white); background: var(--navy-2); border-color: rgba(42, 168, 180, .75); }
.sec--s360os .os-tab[aria-selected="true"] .os-tab__dot { box-shadow: 0 0 0 1.5px rgba(255, 255, 255, .6), 0 0 12px 1px var(--c); }
.sec--s360os .os-tab[aria-selected="true"] .os-tab__out { color: #BFEDE4; }

/* ---------- Janela do app ---------- */
.sec--s360os .os-win {
  position: relative; border-radius: 16px; overflow: hidden;
  background: var(--app-bg); color: var(--app-text);
  border: 1px solid rgba(255, 255, 255, .1);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .4), 0 40px 90px -36px rgba(0, 0, 0, .8), 0 0 80px -30px rgba(43, 191, 164, .35);
  font-family: var(--f-body);
}
.sec--s360os .os-win__bar {
  display: flex; align-items: center; gap: 12px; height: 42px; padding: 0 14px;
  background: var(--app-side); border-bottom: 1px solid var(--app-line); font-size: 13px;
}
.sec--s360os .os-win__dots { display: flex; gap: 6px; }
.sec--s360os .os-win__dots i { width: 10px; height: 10px; border-radius: 50%; background: #2E3136; }
.sec--s360os .os-win__title { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--app-text); }
.sec--s360os .os-win__title .os-ic { color: var(--app-accent); }
.sec--s360os .os-win__proj { display: none; color: var(--app-muted); }
.sec--s360os .os-win__tag {
  margin-left: auto; font-family: var(--f-mono); font-size: 11px; letter-spacing: .06em; color: #D9DCE0;
  padding: 3px 8px; border-radius: 6px; border: 1px solid rgba(245, 158, 11, .45); background: rgba(245, 158, 11, .1); white-space: nowrap;
}
.sec--s360os .os-win__body { display: grid; grid-template-columns: minmax(0, 1fr); }
.sec--s360os .os-win__side { display: none; }

.sec--s360os .os-conv { display: flex; flex-direction: column; min-width: 0; background: var(--app-panel); }
.sec--s360os .os-conv__head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 11px 16px; border-bottom: 1px solid var(--app-line);
}
.sec--s360os .os-conv__title { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* chip de módulo */
.sec--s360os .os-chip {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  padding: 3px 9px 3px 7px; border-radius: 999px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .04em; color: var(--app-text); white-space: nowrap;
  background: color-mix(in srgb, var(--c) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--c) 46%, transparent);
}
.sec--s360os .os-chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--c); flex: none; }
.sec--s360os .os-chip--lg { font-size: 12.5px; padding: 7px 14px 7px 11px; color: var(--white); }
.sec--s360os .os-chip--lg i { width: 8px; height: 8px; box-shadow: 0 0 10px var(--c); }

/* conversa */
.sec--s360os .os-log {
  height: var(--os-log-h); overflow-y: auto; scrollbar-width: thin; scrollbar-color: #2E3136 transparent;
  padding: 16px 16px 12px; display: flex; flex-direction: column; gap: 12px; font-size: 14px; line-height: 1.5;
}
.sec--s360os .os-log:focus-visible { outline-offset: -2px; border-radius: 0; }
.sec--s360os .os-msg--user { display: flex; justify-content: flex-end; }
.sec--s360os .os-bubble {
  max-width: 86%; padding: 9px 13px; border-radius: 14px 14px 4px 14px;
  background: #23262B; border: 1px solid rgba(255, 255, 255, .07); color: var(--app-text);
}
.sec--s360os .os-msg--agent { display: grid; gap: 8px; justify-items: start; }
.sec--s360os .os-agent { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--app-accent); }

.sec--s360os .os-step {
  display: flex; align-items: center; gap: 9px; width: 100%;
  padding: 7px 10px; border-radius: 9px; background: var(--app-card); border: 1px solid var(--app-line);
  font-size: 13.5px; color: var(--app-muted);
}
.sec--s360os .os-step__t { flex: 1 1 auto; min-width: 0; }
.sec--s360os .os-step__ic { width: 14px; height: 14px; border-radius: 50%; flex: none; position: relative; border: 1.6px solid rgba(255, 255, 255, .22); }
.sec--s360os .os-step.is-run .os-step__ic { border-color: rgba(43, 191, 164, .25); border-top-color: var(--app-accent); animation: os-spin .8s linear infinite; }
.sec--s360os .os-step.is-run { color: var(--app-text); }
.sec--s360os .os-step.is-done { color: #C9CDD2; }
.sec--s360os .os-step.is-done .os-step__ic { border-color: var(--app-accent); background: var(--app-accent); }
.sec--s360os .os-step.is-done .os-step__ic::after {
  content: ""; position: absolute; left: 3.6px; top: 1.4px; width: 3.4px; height: 6.5px;
  border: solid var(--app-bg); border-width: 0 1.6px 1.6px 0; transform: rotate(45deg);
}
.sec--s360os .os-step--note { background: transparent; border-style: dashed; color: var(--app-muted); font-size: 12.5px; }
.sec--s360os .os-step--note .os-step__ic { border-style: dotted; }
@keyframes os-spin { to { transform: rotate(360deg); } }

.sec--s360os .os-say { color: var(--app-text); }
.sec--s360os .os-say strong { color: #fff; font-weight: 600; }
.sec--s360os .os-say--done { display: flex; align-items: flex-start; gap: 8px; }
.sec--s360os .os-say--done .os-ic { color: var(--app-accent); margin-top: 3px; }

/* pedido de aprovação */
.sec--s360os .os-ask {
  width: 100%; padding: 11px 13px; border-radius: 11px;
  background: rgba(245, 158, 11, .07); border: 1px solid rgba(245, 158, 11, .5);
}
.sec--s360os .os-ask__top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.sec--s360os .os-approval {
  font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  color: #1A1206; background: var(--app-warn); padding: 3px 8px; border-radius: 5px;
}
.sec--s360os .os-ask__kind { font-size: 12px; color: var(--app-muted); }
.sec--s360os .os-ask__q { margin-top: 7px; font-weight: 600; color: #fff; font-size: 14px; }
.sec--s360os .os-ask__btns { display: flex; gap: 8px; margin-top: 10px; }
.sec--s360os .os-ask__btn {
  min-height: 36px; padding: 6px 16px; border-radius: 8px; font-size: 13.5px; font-weight: 600;
  transition: transform .2s var(--ease), background-color .2s, box-shadow .2s;
}
.sec--s360os .os-ask__btn--ok { background: var(--app-accent); color: #06231D; }
.sec--s360os .os-ask__btn--no { border: 1px solid rgba(255, 255, 255, .25); color: var(--app-text); }
.sec--s360os .os-ask__btn:hover { transform: translateY(-1px); }
.sec--s360os .os-ask__btn.is-press { transform: scale(.95); box-shadow: 0 0 0 4px rgba(43, 191, 164, .3); }
.sec--s360os .os-ask__btn:disabled { opacity: .45; cursor: default; transform: none; }
.sec--s360os .os-ask__wait { font-size: 12px; color: var(--app-muted); align-self: center; margin-left: 4px; }
.sec--s360os .os-ask__res { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 13px; font-weight: 600; }
.sec--s360os .os-ask__res.is-ok { color: var(--app-accent); }
.sec--s360os .os-ask__res.is-no { color: #F4A9A0; }
.sec--s360os .os-ask.is-done { background: rgba(245, 158, 11, .04); border-color: rgba(245, 158, 11, .3); }

/* entregas */
.sec--s360os .os-table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--app-card); border-radius: 9px; overflow: hidden; }
.sec--s360os .os-table th, .sec--s360os .os-table td { padding: 6px 10px; text-align: left; border-bottom: 1px solid var(--app-line); white-space: nowrap; }
.sec--s360os .os-table th { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; font-weight: 500; color: var(--app-muted); }
.sec--s360os .os-table td:nth-child(n+2), .sec--s360os .os-table th:nth-child(n+2) { text-align: right; }
.sec--s360os .os-table tr:last-child td { border-bottom: 0; }
.sec--s360os .os-file {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 12px; border-radius: 10px; background: var(--app-card); border: 1px solid rgba(43, 191, 164, .35);
}
.sec--s360os .os-file__k {
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 500; letter-spacing: .06em;
  padding: 4px 6px; border-radius: 5px; background: rgba(43, 191, 164, .16); color: var(--app-accent);
}
.sec--s360os .os-file__n { font-weight: 600; font-size: 13.5px; color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sec--s360os .os-file__d { font-size: 12px; color: var(--app-muted); }
.sec--s360os .os-file__open { margin-left: auto; font-size: 12px; color: var(--app-accent); white-space: nowrap; }
.sec--s360os .os-bars { width: 100%; display: grid; gap: 8px; padding: 12px; border-radius: 10px; background: var(--app-card); border: 1px solid var(--app-line); }
.sec--s360os .os-bars__h { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--app-muted); }
.sec--s360os .os-bar { display: grid; grid-template-columns: 56px 1fr 74px; align-items: center; gap: 10px; font-size: 13px; }
.sec--s360os .os-bar__t { height: 8px; border-radius: 4px; background: #262A30; position: relative; overflow: hidden; }
.sec--s360os .os-bar__f { position: absolute; inset: 0 auto 0 0; width: var(--w); border-radius: 4px; background: linear-gradient(90deg, #3EB5A6, #1FA0C8); transform-origin: left; }
.sec--s360os .os-bar--low .os-bar__f { background: linear-gradient(90deg, #E8A33C, var(--app-warn)); }
.sec--s360os .os-bar__v { text-align: right; color: var(--app-muted); font-size: 12.5px; }
.sec--s360os .os-bar__v b { color: #fff; font-weight: 600; }

/* entrada dos itens */
.sec--s360os .os-in { animation: os-in .45s var(--ease) both; }
@keyframes os-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* compositor */
.sec--s360os .os-composer {
  display: flex; align-items: center; gap: 10px; margin: 0 12px 12px; padding: 9px 10px 9px 12px;
  border-radius: 12px; background: var(--app-card); border: 1px solid rgba(255, 255, 255, .1); color: var(--app-muted);
}
.sec--s360os .os-composer__field { flex: 1 1 auto; min-width: 0; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sec--s360os .os-composer__txt { color: var(--app-text); }
.sec--s360os .os-composer__txt:not(:empty)::after { content: ""; display: inline-block; width: 1.5px; height: 1em; margin-left: 1px; vertical-align: -2px; background: var(--app-accent); animation: os-blink 1s steps(1) infinite; }
.sec--s360os .os-composer__txt:not(:empty) ~ *, .sec--s360os .os-composer.is-typing .os-composer__ph { display: none; }
.sec--s360os .os-composer__send { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: #2A2D32; color: var(--app-muted); transition: background-color .2s, color .2s, transform .2s; }
.sec--s360os .os-composer.is-typing .os-composer__send { background: var(--app-accent); color: #06231D; }
.sec--s360os .os-composer__send.is-press { transform: scale(.88); }
@keyframes os-blink { 50% { opacity: 0; } }

/* rodapé da demo: legenda da assinatura + controles */
.sec--s360os .os-demo__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 16px; margin-top: 14px; }
.sec--s360os .os-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 0; font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: #7E8FA6; }
.sec--s360os .os-legend li { display: inline-flex; align-items: center; transition: color .3s; }
.sec--s360os .os-legend li + li::before { content: "→"; margin: 0 8px; color: #56677E; }
.sec--s360os .os-legend li.is-on { color: #DCE6F0; }
.sec--s360os .os-legend li[data-k="aprovacao"].is-on { color: #F7C46C; }
.sec--s360os .os-legend li.is-skip[data-k] { color: #8FA0B6; }
.sec--s360os .os-legend li.is-now { color: #fff; }
.sec--s360os .os-ctrl { display: inline-flex; gap: 6px; }
.sec--s360os .os-ctrl[hidden] { display: none; }
.sec--s360os .os-ctrl__btn {
  display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .18); color: #C9D4E2; font-size: 13px; font-weight: 500;
  transition: border-color .2s, color .2s, background-color .2s;
}
.sec--s360os .os-ctrl__btn:hover { color: #fff; border-color: rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .05); }

/* ---------- Lateral ---------- */
.sec--s360os .os-side { display: grid; gap: 22px; align-content: start; }
.sec--s360os .os-pillars { display: grid; gap: 0; border-top: 1px solid var(--os-line); }
.sec--s360os .os-pillar { display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 15px 0; border-bottom: 1px solid var(--os-line); }
.sec--s360os .os-pillar__n { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; color: var(--teal); padding-top: 4px; }
.sec--s360os .os-pillar__t { font-family: var(--f-display); font-weight: 700; font-size: 1.12rem; letter-spacing: -.01em; line-height: 1.25; }
.sec--s360os .os-pillar p { margin-top: 4px; color: #B4C1D2; font-size: .95rem; line-height: 1.5; }

.sec--s360os .os-guard {
  display: grid; grid-template-columns: auto 1fr; gap: 14px; padding: 18px; border-radius: var(--r);
  background: linear-gradient(160deg, rgba(38, 69, 127, .55), rgba(10, 24, 48, .6));
  border: 1px solid rgba(42, 168, 180, .28);
}
.sec--s360os .os-guard__ic { color: var(--mint); margin-top: 2px; }
.sec--s360os .os-guard__t { font-weight: 600; color: var(--white); }
.sec--s360os .os-guard__d { margin-top: 4px; color: #B4C1D2; font-size: .95rem; line-height: 1.5; }
.sec--s360os .os-modes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.sec--s360os .os-mode {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .04em; color: #DCE6F0; border: 1px solid rgba(255, 255, 255, .16);
}
.sec--s360os .os-mode::before { content: ""; width: 7px; height: 7px; border-radius: 50%; }
.sec--s360os .os-mode--go::before { background: var(--app-accent); }
.sec--s360os .os-mode--ask::before { background: var(--app-warn); }
.sec--s360os .os-mode--no::before { background: #F27C6E; }

.sec--s360os .os-cta__btns { display: flex; flex-wrap: wrap; gap: 10px; }
.sec--s360os .os-cta__btns .btn--ghost { color: var(--white); border-color: rgba(255, 255, 255, .35); }
.sec--s360os .os-cta__note { margin-top: 12px; color: #93A3B8; font-size: 11.5px; letter-spacing: .06em; line-height: 1.6; }

/* ---------- Conectado de fábrica ---------- */
.sec--s360os .os-label { color: var(--teal); text-transform: uppercase; letter-spacing: .14em; font-weight: 500; font-size: var(--fs-mono); }
.sec--s360os .os-mods {
  margin-top: clamp(36px, 4vw, 52px); padding: 18px 0; border-block: 1px solid var(--os-line);
  display: grid; gap: 14px; align-items: center;
}
.sec--s360os .os-mods__list { display: flex; flex-wrap: wrap; gap: 8px; }
.sec--s360os .os-mods__n { display: flex; align-items: center; gap: 12px; color: #B4C1D2; font-size: .95rem; line-height: 1.4; }
.sec--s360os .os-mods__num { font-family: var(--f-display); font-weight: 700; font-size: 1.9rem; letter-spacing: -.02em; flex: none; }

/* ---------- Além do pedido + RADAR ---------- */
.sec--s360os .os-more { margin-top: clamp(28px, 3.5vw, 44px); display: grid; gap: 40px; }
.sec--s360os .os-extra__list { margin-top: 10px; display: grid; gap: 4px 28px; grid-template-columns: minmax(0, 1fr); }
.sec--s360os .os-extra__list li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; padding: 10px 0; }
.sec--s360os .os-extra__list .os-ic { color: var(--mint); margin-top: 2px; }
.sec--s360os .os-extra__list p { color: #A9B7C9; font-size: .92rem; line-height: 1.45; }
.sec--s360os .os-extra__list b { display: block; color: var(--white); font-weight: 600; font-size: .98rem; margin-bottom: 2px; }
.sec--s360os .os-extra__list code { font-family: var(--f-mono); font-size: .86em; color: #BFEDE4; background: rgba(62, 181, 166, .14); padding: 1px 5px; border-radius: 4px; }

.sec--s360os .os-radar {
  padding: 22px; border-radius: var(--r-lg);
  background: rgba(10, 24, 48, .55); border: 1px solid var(--os-line);
}
.sec--s360os .os-radar__lead { margin-top: 10px; font-size: 1.02rem; line-height: 1.5; color: #DCE6F0; max-width: 56ch; }
.sec--s360os .os-chain { position: relative; margin-top: 20px; display: grid; gap: 12px; }
.sec--s360os .os-chain::before {
  content: ""; position: absolute; left: 7px; top: 10px; bottom: 10px; width: 2px; border-radius: 2px;
  background: var(--grad); opacity: .7;
}
.sec--s360os .os-chain__s { position: relative; padding-left: 30px; display: grid; gap: 1px; }
.sec--s360os .os-chain__s::before {
  content: ""; position: absolute; left: 1px; top: 5px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--ink-2); border: 2px solid var(--teal);
}
.sec--s360os .os-chain__s--os::before { background: var(--teal); box-shadow: 0 0 0 5px rgba(42, 168, 180, .2); }
.sec--s360os .os-chain__k { font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; color: var(--white); font-weight: 500; }
.sec--s360os .os-chain__v { color: #A9B7C9; font-size: .93rem; }
.sec--s360os .os-chain::after {
  content: ""; position: absolute; left: 4px; top: 10px; width: 8px; height: 8px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 12px 3px rgba(62, 181, 166, .8);
  animation: os-pkt 3.6s var(--ease) infinite; opacity: 0;
}
@keyframes os-pkt { 0% { top: 6px; opacity: 0; } 12% { opacity: 1; } 80% { opacity: 1; } 100% { top: calc(100% - 14px); opacity: 0; } }

/* ---------- Mobile pequeno ---------- */
@media (max-width: 479px) {
  .sec--s360os .os-win__bar { gap: 10px; padding: 0 12px; }
  .sec--s360os .os-win__dots { display: none; }
  .sec--s360os .os-log { padding: 14px 12px 10px; }
  .sec--s360os .os-step { font-size: 13px; flex-wrap: wrap; row-gap: 4px; }
  .sec--s360os .os-step__t { flex-basis: calc(100% - 24px); }
  .sec--s360os .os-step .os-chip { margin-left: 23px; }
  .sec--s360os .os-table th, .sec--s360os .os-table td { padding: 6px 8px; }
  .sec--s360os .os-file__open { display: none; }
  .sec--s360os .os-cta__btns .btn { width: 100%; }
  .sec--s360os .os-legend { font-size: 10.5px; letter-spacing: .05em; }
  .sec--s360os .os-legend li + li::before { margin: 0 6px; }
}

/* ---------- Tablet+ ---------- */
@media (min-width: 640px) {
  .sec--s360os .os-tabs { margin-inline: 0; padding-inline: 0; overflow: visible; flex-wrap: wrap; -webkit-mask-image: none; mask-image: none; }
  .sec--s360os .os-win__proj { display: inline; padding-left: 12px; border-left: 1px solid var(--app-line); }
  .sec--s360os .os-mods { grid-template-columns: auto 1fr; column-gap: 24px; }
  .sec--s360os .os-mods__n { grid-column: 1 / -1; }
  .sec--s360os .os-extra__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 768px) {
  .sec--s360os .os-win__body { grid-template-columns: 54px minmax(0, 1fr); }
  .sec--s360os .os-win__side { display: flex; flex-direction: column; align-items: center; gap: 6px; padding-top: 12px; background: var(--app-side); border-right: 1px solid var(--app-line); color: #6E747C; }
  .sec--s360os .os-win__side span { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; }
  .sec--s360os .os-win__side span.is-on { background: #23262B; color: var(--app-accent); }
  .sec--s360os .os-log { padding: 18px 22px 12px; }
  .sec--s360os .os-conv__head { padding: 12px 22px; }
  .sec--s360os .os-composer { margin: 0 18px 16px; }
}

/* ---------- Desktop ---------- */
@media (min-width: 1080px) {
  .sec--s360os .os-head { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); column-gap: 64px; align-items: end; }
  .sec--s360os .os-head__lead { margin-top: 0; }
  .sec--s360os .os-stage { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); column-gap: 56px; align-items: start; }
  .sec--s360os .os-side { padding-top: 56px; }
  .sec--s360os .os-mods { grid-template-columns: auto 1fr auto; }
  .sec--s360os .os-mods__n { grid-column: auto; max-width: 30ch; }
  .sec--s360os .os-more { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); column-gap: 56px; align-items: start; }
  .sec--s360os .os-extra__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1280px) {
  /* trilho fixo à direita (core): não deixar o conteúdo encostar nele */
  .sec--s360os .wrap { padding-right: max(var(--gutter), 64px); }
}

/* ---------- Movimento reduzido: estado final, sem spinner ---------- */
@media (prefers-reduced-motion: reduce) {
  .sec--s360os .os-in, .sec--s360os .os-step__ic, .sec--s360os .os-composer__txt::after { animation: none !important; }
  .sec--s360os .os-chain::after { display: none; }
}

/* ---------- Pausa e entregas ---------- */
.sec--s360os .os-demo.is-paused .os-step__ic,
.sec--s360os .os-demo.is-paused .os-composer__txt::after { animation-play-state: paused; }
.sec--s360os .os-out { width: 100%; display: grid; gap: 8px; }