/* ==============================
   cases.css — 실증사례 페이지
   ============================== */

/* ---------- CARD GRID SECTION ---------- */
.cases-section {
  background: #F5F7FA;
  padding: 56px 80px;
}
.cases-section .container {
  max-width: 1280px;
  margin: 0 auto;
}
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---------- CARD ---------- */
.case-card {
  display: block;
  background: #fff;
  border: 1px solid #E1E6EE;
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .25s ease, box-shadow .25s ease;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(10,31,68,0.08);
}

.case-card-thumb {
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.case-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-card-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(150deg, #0A1F44, #1E5EFF);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  font-weight: 600;
}

/* Status badge */
.case-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: 999px;
  z-index: 1;
}
.case-badge-done {
  background: rgba(255,255,255,0.92);
  color: #0A1F44;
}
.case-badge-progress {
  background: #FFF4DC;
  color: #B57A00;
}

.case-card-body {
  padding: 16px 20px;
}
.case-card-location {
  font-size: 12px;
  color: #6B7585;
  margin-bottom: 6px;
}
.case-card-title {
  font-size: 18px;
  font-weight: 700;
  color: #0A1F44;
  margin-bottom: 20px;
}

/* Stats row */
.case-card-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid #EEF1F6;
  border-bottom: 1px solid #EEF1F6;
  margin-bottom: 18px;
}
.case-stat-value {
  font-size: 20px;
  font-weight: 800;
  color: #0A1F44;
}
.case-stat-label {
  font-size: 12px;
  color: #6B7585;
  margin-top: 2px;
}

.case-card-link {
  font-size: 14px;
  font-weight: 700;
  color: #1E5EFF;
}

/* More button */
.cases-more {
  text-align: center;
  margin-top: 56px;
}
.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 56px;
  padding: 0 40px;
  background: transparent;
  color: #0A1F44;
  font-size: 16px;
  font-weight: 600;
  border: 1.5px solid #0A1F44;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: all .2s ease;
  text-decoration: none;
}
.btn-outline-dark:hover {
  background: #0A1F44;
  color: #fff;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: #0A1F44;
  color: #C8D2E4;
  padding: 72px 80px 32px;
}
.site-footer .container {
  max-width: 1280px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand-title {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand-info {
  font-size: 14px;
  line-height: 1.8;
  color: #8E9BB5;
  max-width: 300px;
}
.footer-col-heading {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}
.footer-col-links a {
  color: #8E9BB5;
  text-decoration: none;
}
.footer-col-links a:hover { color: #C8D2E4; }

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-size: 13px;
  color: #6B7896;
}
.footer-legal {
  display: flex;
  gap: 20px;
  font-size: 13px;
}
.footer-legal a { text-decoration: none; color: #8E9BB5; }
.footer-legal a:first-child { color: #A6B2CC; font-weight: 600; }

/* ---------- REVEAL ANIMATION ---------- */
.reveal-case {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease-out, transform .5s ease-out;
}
.reveal-case.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-0 { transition-delay: 0s; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1439px) {
  .cases-section { padding-left: 48px; padding-right: 48px; }
}
@media (max-width: 1279px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .cases-section { padding: 56px 20px; }
  .cases-grid { grid-template-columns: 1fr; gap: 16px; }
  .btn-outline-dark { width: 100%; height: 52px; font-size: 15px; padding: 0 24px; }

  /* Card body tighter on mobile */
  .case-card-body { padding: 20px 16px; }
  .case-card-title { font-size: 16px; margin-bottom: 16px; }
  .case-card-thumb { height: 180px; }

  /* Stats grid: keep 3 cols, smaller font */
  .case-card-stats { gap: 4px; padding: 12px 0; margin-bottom: 14px; }
  .case-stat-value { font-size: 16px; }
  .case-stat-label { font-size: 11px; }

  /* Status badges: readable on small screens */
  .case-badge { top: 12px; left: 12px; font-size: 11px; padding: 4px 10px; }

  /* "더 보기" button spacing */
  .cases-more { margin-top: 40px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* Disable hover effects on touch devices */
@media (hover: none), (pointer: coarse) {
  .case-card:hover {
    transform: none;
    box-shadow: none;
  }
  .btn-outline-dark:hover {
    background: transparent;
    color: #0A1F44;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}