/* =========================================================================
   Estudo de caso · Plataforma de gestão (complementa style.css)
   ========================================================================= */

/* ---------- topo ---------- */
.case-hero { padding: 48px 0 64px; }
@media (min-width: 980px) { .case-hero { padding: 80px 0 88px; } }
.case-hero h1 {
  max-width: 17em;
  font: 800 clamp(2.1rem, 5.6vw, 3.7rem)/1.05 var(--serif);
  letter-spacing: -.025em; text-wrap: balance;
}
.case-hero h1 em { font-style: normal; color: var(--ink); }
.case-hero .lead { max-width: 44em; }
.case-hero .lead strong { color: var(--ink); }
.confid {
  display: flex; gap: 10px; align-items: flex-start;
  max-width: 46em; margin-top: 28px; padding: 14px 16px;
  border-radius: var(--r); border: 1px dashed var(--line); background: var(--surface);
  color: var(--ink-2); font-size: .92rem;
}
.confid .i { color: var(--accent); margin-top: 2px; }
.confid strong { color: var(--ink); }

/* ---------- ciclo ---------- */
.cycle { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
@media (min-width: 900px) { .cycle { grid-template-columns: repeat(4, 1fr); gap: 18px; } }
.cycle li {
  position: relative; display: flex; flex-direction: column; gap: 10px;
  padding: 22px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line);
}
@media (min-width: 900px) {
  .cycle li:not(:last-child)::after {
    content: "→"; position: absolute; right: -15px; top: 30px; z-index: 1;
    color: var(--accent); font: 600 1.1rem/1 var(--sans);
  }
}
.cy-n {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font: 800 1rem/1 var(--serif);
}
.cycle h3 { font: 800 1.2rem/1.2 var(--serif); }
.cycle p { color: var(--ink-2); font-size: .94rem; }
.cy-mods { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 4px; }
.cy-mods a {
  padding: 5px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent);
  font-size: .8rem; font-weight: 600; text-decoration: none;
}
.cy-mods a:hover { text-decoration: underline; }

/* ---------- explorador de módulos ---------- */
.explorer { display: grid; gap: 24px; }
.mods { display: grid; gap: 56px; min-width: 0; }

/* Com JS: abas + um módulo por vez */
.explorer.is-tabs .mods { gap: 0; }
.explorer.is-tabs .mod:not(.is-active) { display: none; }
@media (min-width: 1000px) {
  .explorer.is-tabs { grid-template-columns: 236px 1fr; gap: 36px; align-items: start; }
}

.mod-tabs {
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none;
  margin: 0 calc(var(--gutter) * -1); padding: 0 var(--gutter) 6px;
}
.mod-tabs::-webkit-scrollbar { display: none; }
.mod-tabs .grp { display: none; }
.mod-tab {
  flex: none; min-height: 42px; padding: 0 15px; border-radius: 999px;
  border: 1.5px solid var(--line); background: var(--surface); color: var(--ink-2);
  font: 500 .9rem/1 var(--sans); cursor: pointer; text-align: left;
}
.mod-tab:hover { border-color: var(--ink-3); color: var(--ink); }
.mod-tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }

@media (min-width: 1000px) {
  .mod-tabs {
    position: sticky; top: 92px; flex-direction: column; gap: 2px; overflow: visible;
    margin: 0; padding: 0;
  }
  .mod-tabs .grp {
    display: block; margin: 16px 0 6px 12px;
    font: 500 .7rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3);
  }
  .mod-tabs .grp:first-child { margin-top: 0; }
  .mod-tab {
    min-height: 40px; border: 0; border-radius: 10px; background: transparent; padding: 0 12px;
  }
  .mod-tab:hover { background: var(--surface); }
  .mod-tab[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: inset 3px 0 0 var(--accent), var(--shadow); }
}

.mod { display: grid; gap: 22px; scroll-margin-top: 90px; }
.explorer.is-tabs .mod.is-active { animation: modIn .35s ease both; }
@keyframes modIn { from { opacity: 0; translate: 0 8px; } }

.frame {
  margin: 0; border-radius: 14px; overflow: hidden; cursor: zoom-in;
  background: #0f1424; border: 1px solid var(--line); box-shadow: var(--shadow-lg);
}
.frame .dots { display: flex; gap: 6px; padding: 10px 12px; background: #161c2e; border-bottom: 1px solid #232a40; }
.frame .dots i { width: 9px; height: 9px; border-radius: 50%; background: #39405a; }
.frame img { width: 100%; height: auto; }

.mod-text { display: grid; gap: 12px; }
@media (min-width: 760px) {
  .mod-text { grid-template-columns: 1.1fr 1fr; column-gap: 32px; align-items: start; }
  .mod-text .kicker, .mod-text h3, .mod-text .what { grid-column: 1; }
  .mod-text .ticks { grid-column: 2; grid-row: 1 / span 4; margin-top: 4px; }
  .mod-text .stack { grid-column: 1; }
}
.mod-text h3 { font: 800 1.7rem/1.1 var(--serif); letter-spacing: -.015em; }
.what { color: var(--ink-2); font-size: 1.02rem; }

/* ---------- engenharia ---------- */
.grid-practices { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
@media (min-width: 640px) { .grid-practices { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .grid-practices { grid-template-columns: repeat(3, 1fr); } }
.practice { padding: 24px; background: var(--surface); }
.practice h3 { font: 600 1.02rem/1.3 var(--sans); }
.practice h3::before { content: "— "; color: var(--accent); }
.practice p { margin-top: 6px; color: var(--ink-2); font-size: .94rem; }

.code-samples { display: grid; gap: 18px; margin-top: 36px; }
@media (min-width: 1000px) { .code-samples { grid-template-columns: 1fr 1fr; } }
.code { margin: 0; min-width: 0; border-radius: var(--r); overflow: hidden; border: 1px solid #262b3d; background: #10131f; }
.code figcaption {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px;
  padding: 12px 16px; border-bottom: 1px solid #262b3d; color: #d9dcea; font-size: .86rem; font-weight: 600;
}
.code figcaption span { font: 500 .7rem/1.6 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: #8a90a8; }
.code pre { margin: 0; padding: 16px; overflow-x: auto; }
.code code { font: 500 .8rem/1.65 var(--mono); color: #c9cde0; white-space: pre; }

.stack-grid { display: grid; gap: 18px 28px; margin-top: 40px; }
@media (min-width: 640px) { .stack-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .stack-grid { grid-template-columns: repeat(3, 1fr); } }
.stack-grid h4 { font: 500 .74rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 8px; }
.stack-grid .stack { margin: 0; padding: 0; }

/* ---------- chamada final ---------- */
.case-cta { max-width: 760px; text-align: center; }
.case-cta h2 { font: 800 clamp(1.9rem, 4.4vw, 2.8rem)/1.08 var(--serif); letter-spacing: -.02em; text-wrap: balance; }
.case-cta p { margin-top: 14px; color: var(--ink-2); font-size: 1.05rem; }
.case-cta .hero-cta { justify-content: center; }

/* ---------- ampliar tela ---------- */
.zoom {
  width: min(1600px, 96vw); max-height: 94vh; padding: 0; border: 0; border-radius: 12px;
  background: #0f1424; box-shadow: 0 30px 90px rgba(0, 0, 0, .6); overflow: auto;
}
.zoom::backdrop { background: rgba(10, 8, 6, .78); backdrop-filter: blur(3px); }
.zoom img { width: 100%; height: auto; }
.zoom-x {
  position: sticky; top: 8px; float: right; margin: 8px 8px -52px 0; z-index: 2;
  width: 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255, 255, 255, .92); color: #111; font-size: 1.6rem; line-height: 1;
}