/* ============================================
   EXAM-PREP PLATFORM CASE STUDY — page-specific
   Loads after case-study.css. Adds the animated
   build diagram frame, question-format grid, UI
   mock panels, auth "two doors", and win moment.
   ============================================ */

/* semantic status pair — state only (brand §1) */
:root { --good: #3F6B3A; --bad: #A32B2B; }

/* hero accent word */
.cs-hero h1 em { font-style: normal; color: var(--accent); }

/* ─── FIGURE PANEL (light, holds the am-diagram) ─── */
.cs-fig {
  margin: 40px 0 0;
  background: var(--warm);
  border: 1px solid var(--faint);
  border-radius: 8px;
  padding: 26px 22px 18px;
}
.cs-fig > svg { width: 100%; height: auto; display: block; }
.cs-fig-cap {
  margin-top: 12px;
  text-align: center;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mid);
}

/* ─── QUESTION FORMAT GRID ─── */
.qf-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 36px;
}
.qf {
  background: var(--warm);
  border: 1px solid var(--faint);
  border-radius: 5px;
  padding: 18px 10px 14px;
  text-align: center;
  transition: transform .2s ease, border-color .2s ease;
}
.qf:hover { transform: translateY(-3px); border-color: var(--mid); }
.qf svg {
  width: 26px; height: 26px;
  stroke: var(--accent); stroke-width: 1.7; fill: none;
  stroke-linecap: round; stroke-linejoin: round;
  display: block; margin: 0 auto 10px;
}
.qf span { font-size: 12px; color: var(--mid); display: block; line-height: 1.35; }

/* ─── UI MOCK PANELS (illustrative proof) ─── */
.mock-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 36px;
}
.mock {
  background: var(--warm);
  border: 1px solid var(--faint);
  border-radius: 8px;
  padding: 20px;
}
.mock-eyebrow {
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 14px;
}
.mock-q {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.45;
  margin-bottom: 4px;
}
.mock-opt {
  display: flex; align-items: center; gap: 10px;
  background: var(--paper);
  border: 1px solid var(--faint);
  border-radius: 5px;
  padding: 9px 12px;
  font-size: 12.5px;
  color: var(--mid);
  margin-top: 8px;
}
.mock-opt .dot {
  width: 14px; height: 14px; border-radius: 50%;
  border: 1.5px solid var(--faint); flex: none;
}
.mock-opt.sel { border-color: var(--accent); color: var(--ink); }
.mock-opt.sel .dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: inset 0 0 0 3px var(--paper);
}
.mock-progress {
  height: 5px; background: var(--faint);
  border-radius: 3px; margin-top: 18px; overflow: hidden;
}
.mock-progress i { display: block; height: 100%; width: 24%; background: var(--accent); border-radius: 3px; }
.mock-meta {
  font-size: 11px; color: var(--mid);
  margin-top: 8px;
  display: flex; justify-content: space-between;
}

/* trainer view rows */
.mock-stu {
  display: flex; align-items: center; gap: 12px;
  background: var(--paper);
  border: 1px solid var(--faint);
  border-radius: 5px;
  padding: 10px 12px;
}
.mock-stu + .mock-stu { margin-top: 8px; }
.mock-stu .av {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--ink); color: var(--paper);
  font-family: var(--font-head); font-weight: 700; font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.mock-stu .nm { font-size: 12.5px; color: var(--ink); font-weight: 500; min-width: 58px; }
.mock-stu .bar { flex: 1; height: 5px; background: var(--faint); border-radius: 3px; overflow: hidden; }
.mock-stu .bar i { display: block; height: 100%; background: var(--mid); border-radius: 3px; }
.mock-stu .pc { font-size: 11px; color: var(--mid); min-width: 58px; text-align: right; }
.mock-stu.flag .bar i { background: var(--bad); }
.mock-stu.flag .pc { color: var(--bad); font-weight: 500; }

/* ─── TWO FRONT DOORS (auth) ─── */
.doors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 36px 0;
}
.door {
  background: var(--warm);
  border: 1px solid var(--faint);
  border-radius: 8px;
  padding: 24px;
}
.door-ico {
  width: 46px; height: 46px; border-radius: 14px;
  background: var(--paper);
  border: 1px solid var(--faint);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.door-ico svg {
  width: 24px; height: 24px;
  stroke: var(--accent); stroke-width: 1.7; fill: none;
  stroke-linecap: round; stroke-linejoin: round;
}
.door h3 { font-size: 16px; margin-bottom: 8px; }
.door p { font-size: 14px; margin-bottom: 0; }

/* ─── WIN MOMENT (monkey + outcome heading) ─── */
.cs-win { display: flex; align-items: flex-end; gap: 18px; }
.cs-win h2 { margin-bottom: 0; }
.cs-win .cs-win-monkey { width: 54px; flex: none; }
.cs-win .cs-win-monkey svg { width: 100%; height: auto; display: block; }

@media (max-width: 860px) {
  .qf-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .qf-grid { grid-template-columns: repeat(2, 1fr); }
  .mock-row, .doors { grid-template-columns: 1fr; }
}

/* ─── WHAT IT LOOKS LIKE — walkthrough additions ─── */
.mock-sub { margin-top: 44px; }
.mock-sub h3 { margin-bottom: 10px; }
.mock-sub > p { margin-bottom: 0; }
.mock-full { margin-top: 24px; }
.mock-swap {
  font-size: 11px; font-style: italic; color: var(--mid);
  margin-top: 14px; margin-bottom: 0 !important;
}

/* student "my progress" + trainer detail topic bars */
.mock-topic { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.mock-topic .tn { font-size: 12px; color: var(--ink); min-width: 88px; }
.mock-topic .bar { flex: 1; height: 5px; background: var(--faint); border-radius: 3px; overflow: hidden; }
.mock-topic .bar i { display: block; height: 100%; background: var(--mid); border-radius: 3px; }
.mock-topic .tv { font-size: 11px; color: var(--mid); min-width: 62px; text-align: right; }
.mock-topic.low .bar i { background: var(--bad); }
.mock-topic.low .tv { color: var(--bad); font-weight: 500; }
.mock-note {
  font-size: 12px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--faint); border-radius: 5px;
  padding: 9px 12px; margin-top: 14px;
}

/* studio builder — drag and drop */
.mock-build { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 4px; }
.mock-col-label {
  font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--mid); font-weight: 500; margin-bottom: 8px;
}
.mock-qrow {
  display: flex; align-items: center; gap: 9px;
  background: var(--paper); border: 1px solid var(--faint); border-radius: 5px;
  padding: 8px 10px; font-size: 12px; color: var(--ink);
}
.mock-qrow + .mock-qrow, .mock-drop + .mock-qrow, .mock-qrow + .mock-drop { margin-top: 7px; }
.mock-qrow .grip { color: var(--mid); font-size: 13px; letter-spacing: 1px; flex: none; cursor: grab; }
.mock-qrow .fmt {
  font-size: 10px; color: var(--mid);
  border: 1px solid var(--faint); background: var(--warm);
  border-radius: 3px; padding: 2px 7px; margin-left: auto; flex: none;
}
.mock-qrow.lift {
  border-color: var(--mid);
  box-shadow: 0 6px 16px rgba(17,16,16,.14);
  transform: rotate(-1deg);
}
.mock-drop {
  border: 1.5px dashed var(--accent); border-radius: 5px;
  padding: 8px 10px; font-size: 11.5px; color: var(--accent);
  text-align: center; background: transparent;
}
.mock-buildbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-top: 16px;
}
.mock-chiprow { display: flex; gap: 6px; flex-wrap: wrap; }
.mock-chip {
  font-size: 10.5px; color: var(--mid);
  border: 1px solid var(--faint); background: var(--paper);
  border-radius: 3px; padding: 3px 8px;
}
.mock-btn {
  font-family: var(--font-body); font-size: 12px; font-weight: 500;
  background: var(--accent); color: #fff;
  border-radius: 5px; padding: 8px 16px;
}

/* publish flow */
.mock-flow { display: flex; align-items: center; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.mock-step {
  font-size: 11.5px; color: var(--mid);
  border: 1px solid var(--faint); background: var(--paper);
  border-radius: 99px; padding: 5px 12px;
}
.mock-step.on { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500; }
.mock-flow .arr { color: var(--faint); font-size: 12px; }

@media (max-width: 640px) {
  .mock-build { grid-template-columns: 1fr; }
}

/* real screenshot panels */
.mock-shot img {
  width: 100%; display: block;
  border-radius: 5px; border: 1px solid var(--faint);
}

/* sticky-steps artefacts carrying real screenshots */
.ss-art-card img {
  width: 100%; display: block;
  border-radius: 5px; border: 1px solid var(--faint);
  margin-top: 2px;
}