/* PUBLIC REFERENCE BASE — themed cards (color + subtle motion) */

.source-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.source-card {
  position: relative;
  isolation: isolate;
  display: block;
  min-height: 138px;
  padding: 16px 16px 44px;
  border: 2px solid var(--card-border, #b8ccba);
  border-radius: 14px;
  background: var(--card-bg, linear-gradient(145deg, #fff, #f5faf6));
  box-shadow: 0 4px 16px rgba(12, 62, 37, 0.09);
  cursor: pointer;
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.source-card__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.source-card__no,
.source-card small,
.source-card b,
.source-card__desc,
.source-card__cta {
  position: relative;
  z-index: 1;
}

.source-card__no {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--card-accent, var(--forest));
  color: #fff;
  font-size: 9px;
  font-weight: 900;
  display: grid;
  place-items: center;
}

.source-card small {
  display: block;
  color: var(--card-accent, var(--leaf));
  font-size: 8px;
  letter-spacing: 0.11em;
  font-weight: 900;
  padding-right: 38px;
}

.source-card b {
  display: block;
  color: var(--forest);
  font-size: 13px;
  line-height: 1.35;
  margin-top: 6px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.source-card__desc {
  display: block;
  color: #364a40;
  font-size: 9.5px;
  line-height: 1.55;
  margin-top: 8px;
  max-width: 94%;
}

.source-card__cta {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 12px;
  z-index: 2;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--card-accent, var(--forest));
  color: #fff;
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-align: center;
  transition: background 0.2s ease, filter 0.2s ease;
}

.source-card:hover,
.source-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--card-accent, var(--leaf));
  box-shadow: 0 12px 28px rgba(12, 62, 37, 0.14);
  outline: none;
}

.source-card:hover .source-card__cta,
.source-card:focus-visible .source-card__cta {
  filter: brightness(1.08);
}

/* 01 · 재배·시설 — 상승 포자 */
.source-card--grow {
  --card-bg: linear-gradient(145deg, #eef6ea 0%, #e2f0dc 100%);
  --card-border: #9bc4a3;
  --card-accent: #2c7a51;
}

.source-card--grow .source-card__bg::before,
.source-card--grow .source-card__bg::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(44, 122, 81, 0.14);
}

.source-card--grow .source-card__bg::before {
  width: 36px;
  height: 36px;
  left: 12%;
  bottom: 28%;
  animation: srcSporeA 5.8s ease-in-out infinite;
}

.source-card--grow .source-card__bg::after {
  width: 22px;
  height: 22px;
  left: 28%;
  bottom: 18%;
  animation: srcSporeB 6.4s 1.2s ease-in-out infinite;
}

/* 02 · 배지·현장 — 토양 물결 */
.source-card--field {
  --card-bg: linear-gradient(145deg, #f7f0e4 0%, #efe4d2 100%);
  --card-border: #d4b896;
  --card-accent: #a0673c;
}

.source-card--field .source-card__bg::before {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -8px;
  height: 42px;
  border-radius: 50% 50% 0 0;
  background: linear-gradient(180deg, rgba(160, 103, 60, 0.12), rgba(160, 103, 60, 0.04));
  animation: srcWave 6.2s ease-in-out infinite;
}

/* 03 · 유통 — 흐르는 점선 */
.source-card--flow {
  --card-bg: linear-gradient(145deg, #e8f3f5 0%, #dceef0 100%);
  --card-border: #9cc5cb;
  --card-accent: #2d6e70;
}

.source-card--flow .source-card__bg::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  right: 0;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(45, 110, 112, 0.45) 0 8px, transparent 8px 16px);
  background-size: 32px 2px;
  animation: srcDash 4.5s linear infinite;
}

/* 04 · 융복합 — 회전 링 */
.source-card--orbit {
  --card-bg: linear-gradient(145deg, #f3f0e8 0%, #ebe4d4 100%);
  --card-border: #cfc4a8;
  --card-accent: #8f6b2e;
}

.source-card--orbit .source-card__bg::before {
  content: "";
  position: absolute;
  top: -18px;
  right: -18px;
  width: 72px;
  height: 72px;
  border: 1px dashed rgba(143, 107, 46, 0.35);
  border-radius: 50%;
  animation: srcSpin 22s linear infinite;
}

/* 05 · 교육·EPIS — 햇살 호흡 */
.source-card--sun {
  --card-bg: linear-gradient(145deg, #fff8e6 0%, #fff0cc 100%);
  --card-border: #e8cc82;
  --card-accent: #b8841f;
}

.source-card--sun .source-card__bg::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 10px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 38%, #fff6d0, #ffd469 55%, rgba(255, 212, 105, 0.2) 72%);
  animation: srcSunBreath 4.2s ease-in-out infinite;
}

/* 06 · 데이터·농업ON — 막대 펄스 */
.source-card--data {
  --card-bg: linear-gradient(145deg, #f0f4f8 0%, #e4ebf2 100%);
  --card-border: #b5c4d4;
  --card-accent: #3d5a6e;
}

.source-card--data .source-card__bg::before {
  content: "";
  position: absolute;
  left: 14px;
  bottom: 14px;
  width: 56px;
  height: 28px;
  background:
    linear-gradient(to top, rgba(61, 90, 110, 0.28) 35%, transparent 35%) 0 100% / 10px 100% no-repeat,
    linear-gradient(to top, rgba(61, 90, 110, 0.2) 55%, transparent 55%) 16px 100% / 10px 100% no-repeat,
    linear-gradient(to top, rgba(61, 90, 110, 0.32) 70%, transparent 70%) 32px 100% / 10px 100% no-repeat,
    linear-gradient(to top, rgba(61, 90, 110, 0.18) 45%, transparent 45%) 48px 100% / 8px 100% no-repeat;
  animation: srcBars 3.8s ease-in-out infinite;
}

@keyframes srcSporeA {
  0%, 100% { transform: translateY(0); opacity: 0.35; }
  50% { transform: translateY(-14px); opacity: 0.7; }
}

@keyframes srcSporeB {
  0%, 100% { transform: translateY(0); opacity: 0.25; }
  50% { transform: translateY(-10px); opacity: 0.55; }
}

@keyframes srcWave {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(8px); }
}

@keyframes srcDash {
  to { background-position: 32px 0; }
}

@keyframes srcSpin {
  to { transform: rotate(360deg); }
}

@keyframes srcSunBreath {
  0%, 100% { transform: scale(1); opacity: 0.75; }
  50% { transform: scale(1.1); opacity: 1; }
}

@keyframes srcBars {
  0%, 100% { opacity: 0.55; transform: scaleY(1); transform-origin: bottom; }
  50% { opacity: 0.9; transform: scaleY(1.12); transform-origin: bottom; }
}

@media (max-width: 650px) {
  .source-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .source-card__bg::before,
  .source-card__bg::after {
    animation: none !important;
  }
}

@media print {
  .source-card { break-inside: avoid; box-shadow: none; }
  .source-card__bg { display: none; }
}