html { min-height: 100%; }

body.knowledge-page {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(3,8,15,.60), rgba(2,7,13,.82)),
    url("tlo.png") center center / cover fixed no-repeat;
}

.knowledge-page .subpage-header {
  position: relative;
  z-index: 5;
  background: rgba(3,10,18,.82);
  border-bottom: 1px solid rgba(219,166,74,.28);
  backdrop-filter: blur(12px);
}

.knowledge-main {
  min-height: calc(100vh - 180px);
  display: grid;
  place-items: center;
  padding: clamp(48px, 7vw, 96px) 24px;
}

.knowledge-hero {
  width: min(1120px, 100%);
  text-align: center;
  padding: clamp(30px, 4vw, 52px);
  border: 1px solid rgba(221,169,73,.28);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(4,13,23,.80), rgba(3,9,16,.70));
  box-shadow: 0 28px 80px rgba(0,0,0,.38);
  backdrop-filter: blur(7px);
}

.knowledge-hero .feature-meta {
  margin: 0 0 10px;
  color: #e6b55d;
  letter-spacing: .16em;
  font-weight: 700;
}

.knowledge-hero h1 {
  margin: 0;
  font-size: clamp(44px, 7vw, 82px);
  line-height: .98;
  color: #fff;
}

.knowledge-intro {
  max-width: 720px;
  margin: 20px auto 38px;
  color: rgba(255,255,255,.84);
  font-size: clamp(17px, 2vw, 21px);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  text-align: left;
}

.knowledge-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  color: inherit;
  text-decoration: none;
  border: 1px solid rgba(230,181,93,.62);
  border-radius: 18px;
  background: rgba(3,10,18,.88);
  box-shadow: 0 18px 45px rgba(0,0,0,.28);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.knowledge-card:hover,
.knowledge-card:focus-visible {
  transform: translateY(-4px);
  border-color: #f0c36f;
  box-shadow: 0 22px 54px rgba(0,0,0,.38), 0 0 28px rgba(230,181,93,.10);
}

.knowledge-card img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid rgba(230,181,93,.34);
}

.knowledge-card-copy {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 24px 24px;
}

.knowledge-kicker {
  color: #e6b55d;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .13em;
}

.knowledge-card strong {
  color: #fff;
  font-size: clamp(25px, 3vw, 34px);
}

.knowledge-card-copy > span:not(.knowledge-kicker):not(.knowledge-arrow) {
  color: rgba(255,255,255,.76);
  line-height: 1.55;
}

.knowledge-arrow {
  margin-top: 8px;
  color: #e6b55d;
  font-weight: 700;
}

.knowledge-page .portal-footer {
  background: rgba(3,9,16,.88);
  backdrop-filter: blur(10px);
}

@media (max-width: 760px) {
  body.knowledge-page { background-attachment: scroll; }
  .knowledge-main { padding: 34px 14px 50px; }
  .knowledge-hero { padding: 26px 16px; border-radius: 18px; }
  .knowledge-grid { grid-template-columns: 1fr; }
}