/* case study pages (extends site.css) */
.case-hero { padding: 132px 0 56px; background: radial-gradient(900px 480px at 85% 0%, rgba(29, 78, 216, .07), transparent 60%), var(--bg); border-bottom: 1px solid var(--border); }
.case-back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); margin-bottom: 26px; }
.case-back:hover { color: var(--primary); }
.case-logo { height: 44px; width: auto; margin-bottom: 18px; }
.case-hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); max-width: 860px; margin-bottom: 18px; }
.case-hero .lead { max-width: 760px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 26px 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--muted); }
.case-meta strong { display: block; color: var(--text); font-size: 15px; }
.case-body { padding: 72px 0 96px; }
.case-grid { display: grid; grid-template-columns: 220px 1fr; gap: 56px; align-items: start; }
.case-toc { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.case-toc a { color: var(--muted); padding: 6px 10px; border-left: 2px solid var(--border); }
.case-toc a:hover { color: var(--primary); border-color: var(--primary); }
.case-content { max-width: 780px; }
.case-content section { margin-bottom: 56px; }
.case-content h2 { font-size: 1.7rem; margin-bottom: 14px; }
.case-content h3 { font-size: 1.12rem; margin: 22px 0 8px; }
.case-content p, .case-content li { color: var(--text-2); font-size: 1.04rem; }
.case-content ul.points { padding-left: 20px; }
.case-content ul.points li { margin-bottom: 8px; }
.decision { padding: 18px 20px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-sm); margin: 14px 0; }
.decision strong { display: block; color: var(--text); margin-bottom: 4px; }
.decision span { color: var(--muted); font-size: 15px; }
.shots { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 20px 0; }
.shots img { width: 100%; height: auto; border-radius: 18px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.shots figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; text-align: center; }
.case-cta { margin-top: 24px; padding: 32px; border-radius: 20px; background: linear-gradient(180deg, var(--primary-soft), var(--surface) 80%); border: 1px solid var(--primary-line); }
.case-cta h2 { font-size: 1.5rem; margin-bottom: 8px; }
.case-cta p { margin: 0 0 18px; }
.flow { display: flex; flex-direction: column; gap: 8px; margin: 18px 0; }
.flow .step-row { display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: start; }
.flow .n { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); font-weight: 600; font-size: 14px; border: 1px solid var(--primary-line); }
.flow p { margin: 4px 0 0; }
@media (max-width: 920px) { .case-grid { grid-template-columns: 1fr; } .case-toc { display: none; } }
@media (max-width: 640px) { .shots { grid-template-columns: 1fr 1fr; gap: 10px; } .case-hero { padding-top: 112px; } }
.case-hero .app-icons { display: flex; margin-bottom: 18px; }
.case-back { display: flex; width: max-content; }
.shots figure { margin: 0; }
.shots .wide { grid-column: 1 / -1; }
.shots img { background: #fff; }
.shots img { cursor: zoom-in; }
.case-cta .btn { margin: 0 8px 8px 0; }
.case-contact { margin: 10px 0 0 !important; font-size: 14px; color: var(--muted); }
.case-contact a { color: var(--text-2); }