/* ══════════════════════════════════════════════════════════════
   Case study pages — extends css/style.css tokens
   ══════════════════════════════════════════════════════════════ */

/* ─── Back link in header ─── */
.case-back { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); transition: color 0.2s, gap 0.2s; }
.case-back:hover { color: var(--ink); gap: 11px; }

/* ─── Hero ─── */
.case-hero { padding: 150px 0 60px; }
.case-kicker { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.case-kicker .tagpill { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; padding: 5px 11px; border-radius: 100px; background: var(--accent-soft); color: var(--accent-dark); border: 1px solid #CBE7E3; }
.case-kicker .tagpill.alt { background: var(--bg-soft); color: var(--muted); border-color: var(--line); }
.case-hero h1 { font-size: clamp(36px, 5.6vw, 68px); font-weight: 300; line-height: 1.02; letter-spacing: -0.035em; max-width: 17ch; margin-bottom: 26px; }
.case-lead { font-size: 19px; line-height: 1.65; color: var(--ink-2); max-width: 62ch; }
.case-lead strong { color: var(--ink); font-weight: 600; }

/* ─── Meta strip (role / timeline / team / stack) ─── */
.case-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.case-meta dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.case-meta dd { font-size: 14.5px; color: var(--ink); line-height: 1.5; }

/* ─── Body rhythm ─── */
.case-section { padding: 76px 0; }
.case-section.tight { padding: 52px 0; }
.case-body { max-width: 68ch; }
.case-body h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 300; margin-bottom: 22px; line-height: 1.1; }
.case-body h3 { font-size: 21px; margin: 38px 0 12px; }
.case-body p { font-size: 17px; line-height: 1.75; color: var(--ink-2); margin-bottom: 18px; }
.case-body p strong { color: var(--ink); font-weight: 600; }
.case-body ul { margin: 0 0 20px; padding-left: 0; list-style: none; }
.case-body ul li { position: relative; padding-left: 26px; font-size: 16.5px; line-height: 1.7; color: var(--ink-2); margin-bottom: 11px; }
.case-body ul li::before { content: ""; position: absolute; left: 6px; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.case-body ul li strong { color: var(--ink); font-weight: 600; }
.section-dark .case-body p, .section-dark .case-body ul li { color: var(--d-ink-2); }
.section-dark .case-body p strong, .section-dark .case-body ul li strong { color: var(--d-ink); }
.section-dark .case-body ul li::before { background: var(--d-accent); }

/* ─── Before / after comparison ─── */
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 34px 0 8px; }
.ba-card { border-radius: 16px; padding: 26px 28px; border: 1px solid var(--line); background: #fff; }
.ba-card.before { background: var(--bg-soft); }
.ba-card .ba-label { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px; color: var(--muted); }
.ba-card.after .ba-label { color: var(--accent-dark); }
.ba-card ul { margin: 0; }
.ba-card ul li { font-size: 15px; margin-bottom: 9px; padding-left: 22px; }
.ba-card.before ul li::before { background: #C3CCD8; }

/* ─── Pull quote ─── */
.pull { margin: 40px 0; padding: 30px 34px; border-left: 3px solid var(--accent); background: var(--bg-soft); border-radius: 0 14px 14px 0; }
.pull p { font-family: var(--display); font-size: 22px; line-height: 1.45; color: var(--ink); font-weight: 400; margin: 0; }
.pull cite { display: block; margin-top: 14px; font-family: var(--sans); font-size: 13px; font-style: normal; color: var(--muted); }
.section-dark .pull { background: rgba(234,241,244,0.04); border-left-color: var(--d-accent); }
.section-dark .pull p { color: var(--d-ink); }

/* ─── Insight callout (the reframe) ─── */
.insight { margin: 8px 0; padding: 34px 36px; border-radius: 18px; background: var(--d-bg-2); border: 1px solid var(--d-line); }
.insight .ins-label { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--d-accent); margin-bottom: 14px; }
.insight p { font-family: var(--display); font-size: clamp(21px, 2.6vw, 29px); line-height: 1.35; color: var(--d-ink); margin: 0; font-weight: 400; }
.insight em { font-style: italic; color: var(--d-accent-2); }

/* ─── Figures ─── */
.case-figure { margin: 44px 0; }
.case-figure .shot-frame { border-radius: 14px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-lg); background: #fff; }
.case-figure .shot-frame img { width: 100%; display: block; }
.case-figure figcaption { margin-top: 14px; font-size: 14px; color: var(--muted); line-height: 1.6; max-width: 70ch; }
.case-figure figcaption b { color: var(--ink); font-weight: 600; }
.section-dark .case-figure .shot-frame { border-color: var(--d-line); }
.section-dark .case-figure figcaption { color: var(--d-muted); }
.section-dark .case-figure figcaption b { color: var(--d-ink); }
.fig-wide { max-width: 100%; }

/* ─── Decision list (numbered design calls) ─── */
.decisions { counter-reset: dec; display: grid; gap: 18px; margin-top: 34px; }
.decision { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 24px 26px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.decision::before { counter-increment: dec; content: counter(dec, decimal-leading-zero); font-family: var(--mono); font-size: 12px; color: var(--accent); padding-top: 3px; }
.decision h4 { font-family: var(--display); font-size: 19px; font-weight: 500; margin-bottom: 7px; color: var(--ink); }
.decision p { font-size: 15px; line-height: 1.65; color: var(--ink-2); margin: 0; }
.section-dark .decision { background: var(--d-bg-2); border-color: var(--d-line); }
.section-dark .decision h4 { color: var(--d-ink); }
.section-dark .decision p { color: var(--d-ink-2); }
.section-dark .decision::before { color: var(--d-accent); }

/* ─── Status banner ─── */
.status-strip { display: flex; align-items: flex-start; gap: 14px; padding: 22px 26px; border-radius: 14px; background: var(--accent-soft); border: 1px solid #CBE7E3; margin-top: 8px; }
.status-strip .icon { font-size: 20px; color: var(--accent-dark); flex: none; margin-top: 2px; }
.status-strip p { font-size: 15.5px; line-height: 1.65; color: var(--accent-dark); margin: 0; }
.status-strip p strong { color: var(--ink); }

/* ─── Next case nav ─── */
.next-case { border-top: 1px solid var(--line); padding: 56px 0 76px; }
.next-case a { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); transition: padding 0.3s cubic-bezier(0.16,1,0.3,1); }
.next-case a:hover { padding-left: 12px; }
.next-case .nc-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 7px; }
.next-case .nc-title { font-family: var(--display); font-size: clamp(24px, 3vw, 34px); font-weight: 300; color: var(--ink); }
.next-case .nc-arrow { font-size: 20px; color: var(--accent); flex: none; }

/* ─── Responsive ─── */
@media (max-width: 980px) {
  .case-meta { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .ba-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .case-hero { padding: 118px 0 46px; }
  .case-section { padding: 54px 0; }
  .case-body p { font-size: 16px; }
  .insight { padding: 26px 24px; }
  .pull { padding: 24px 24px; }
  .decision { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 480px) {
  .case-meta { grid-template-columns: 1fr; }
}

/* ─── NDA locked panel (public case page) ─── */
.locked-panel {
  display: grid; grid-template-columns: 1fr 1fr; align-items: stretch;
  border: 1px solid var(--line); border-radius: 20px; overflow: hidden;
  background: #fff; box-shadow: var(--shadow-lg);
}
.locked-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
  padding: 40px; background:
    radial-gradient(420px circle at 50% 40%, rgba(47,199,176,0.12), transparent 70%), var(--d-bg-2);
}
.locked-visual svg { width: 100%; max-width: 360px; height: auto; }
.locked-visual::after {
  content: ""; position: absolute; inset: 0;
  backdrop-filter: blur(3px); background: rgba(8,19,30,0.30);
}
.locked-body { padding: 40px 42px; display: flex; flex-direction: column; justify-content: center; }
.locked-chip {
  display: inline-flex; align-items: center; gap: 7px; align-self: flex-start;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-dark); background: var(--accent-soft); border: 1px solid #CBE7E3;
  padding: 6px 13px; border-radius: 100px; margin-bottom: 18px;
}
.locked-body h2 { font-size: 27px; font-weight: 400; margin-bottom: 14px; }
.locked-body p { font-size: 15.5px; line-height: 1.7; color: var(--ink-2); margin-bottom: 14px; }
.locked-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.locked-actions .btn { font-size: 14px; padding: 11px 22px; }

/* ─── Confidential banner (protected page) ─── */
.nda-banner { background: #FFF7ED; border-bottom: 1px solid #FCD9A8; padding: 12px 0; margin-top: 72px; }
.nda-banner .container { display: flex; align-items: flex-start; gap: 11px; }
.nda-banner p { font-size: 13px; line-height: 1.6; color: #7A4A11; margin: 0; }
.nda-banner p b { color: #5C3608; font-weight: 600; }
.nda-dot { width: 8px; height: 8px; border-radius: 50%; background: #E08A16; flex: none; margin-top: 6px; }
.nda-banner + section.case-hero { padding-top: 46px; }

@media (max-width: 860px) {
  .locked-panel { grid-template-columns: 1fr; }
  .locked-visual { padding: 30px; min-height: 200px; }
  .locked-body { padding: 30px 26px; }
}