/* Homepage-only color and motion. Shared page design remains in site.css. */
.page-home .lesson-stack,
.page-home .roadmap-track {
  gap: 24px;
}

.page-home :is(.lesson-card, .roadmap-step) {
  --card-color: #e7ddfb;
  --card-accent: #61409a;
  position: relative;
  isolation: isolate;
  padding: 26px;
  border: 1px solid #19282016;
  border-top: 5px solid var(--card-accent);
  border-radius: 18px;
  background: var(--card-color);
  background-image: linear-gradient(145deg, #ffffff26, #ffffff00 65%);
  box-shadow: 0 5px 0 #19282005, 0 9px 22px #19282005;
  transform: perspective(1000px) translateY(var(--card-lift, 0px)) rotateX(var(--card-tilt-x, 0deg)) rotateY(var(--card-tilt-y, 0deg));
  transition: transform 320ms cubic-bezier(.2,.75,.25,1), box-shadow 320ms ease;
}

.page-home :is(.lesson-card, .roadmap-step):nth-child(6n + 2) {
  --card-color: #d0eaf9;
  --card-accent: #23638d;
}
.page-home :is(.lesson-card, .roadmap-step):nth-child(6n + 3) {
  --card-color: #d1ecdf;
  --card-accent: #236c50;
}
.page-home :is(.lesson-card, .roadmap-step):nth-child(6n + 4) {
  --card-color: #ffe2c9;
  --card-accent: #985027;
}
.page-home :is(.lesson-card, .roadmap-step):nth-child(6n + 5) {
  --card-color: #f8dce7;
  --card-accent: #953f68;
}
.page-home :is(.lesson-card, .roadmap-step):nth-child(6n + 6) {
  --card-color: #f3edc5;
  --card-accent: #766016;
}

/* A quiet orbital detail gives each card depth without competing with the text. */
.page-home :is(.lesson-card, .roadmap-step)::before {
  content: '';
  position: absolute;
  z-index: -1;
  pointer-events: none;
  top: 14px;
  right: 14px;
  width: 72px;
  height: 72px;
  border: 1px solid var(--card-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 11px var(--card-accent), 0 0 0 23px var(--card-accent);
  opacity: .045;
  transition: transform 600ms ease;
}

.page-home .lesson-topline {
  align-items: center;
  gap: 10px;
  margin-bottom: 23px;
  color: var(--card-accent);
}
.page-home .lesson-topline span:first-child {
  padding: 5px 10px;
  border-radius: 7px;
  background: var(--card-accent);
  color: #fff;
  white-space: nowrap;
}
.page-home .lesson-topline span:last-child {
  font-size: .625rem;
  font-weight: 700;
}
.page-home .lesson-card h3 {
  font-size: 27px;
  line-height: 1.16;
}
.page-home .lesson-description,
.page-home .roadmap-step p {
  color: #394b45;
}
.page-home .lesson-actions {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid #19282021;
}
.page-home .lesson-actions .text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--card-accent);
  text-decoration: none;
}
.page-home .lesson-actions .text-link::after {
  content: '→';
  transition: transform 220ms ease;
}
.page-home .lesson-actions .text-link:hover {
  text-decoration: underline;
}
.page-home .lesson-actions .text-link:hover::after {
  transform: translateX(4px);
}
.page-home .pdf-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  border-radius: 9px;
  border: 1px solid #19282025;
  background: #ffffff5c;
  color: var(--card-accent);
}
.page-home .pdf-link:hover {
  background: #ffffffa6;
  border-color: var(--card-accent);
}
.page-home .roadmap-step {
  padding: 24px;
}
.page-home .roadmap-marker {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--card-accent);
  color: #fff;
  font: italic 24px/1 var(--serif);
  box-shadow: 0 0 0 5px #ffffff55;
}
.page-home .roadmap-step h3 {
  font-size: 25px;
}
.page-home .roadmap-step a {
  color: var(--card-accent);
  text-decoration-color: currentColor;
}

.page-home :is(.lesson-card, .roadmap-step):focus-within {
  --card-lift: -5px;
  box-shadow: 0 12px 26px #19282016;
}
@media (hover: hover) and (pointer: fine) {
  .page-home :is(.lesson-card, .roadmap-step):hover {
    --card-lift: -7px;
    z-index: 2;
    box-shadow: 0 16px 30px #1928201c;
  }
  .page-home :is(.lesson-card, .roadmap-step):hover::before {
    transform: translate(-9px, 7px) scale(1.12);
  }
}
/* Applied only as a card enters the viewport; content is never hidden by default. */
.page-home .card-arriving {
  animation: home-card-arrive 680ms cubic-bezier(.2,.75,.25,1) both;
  animation-delay: var(--card-delay, 0ms);
}
@keyframes home-card-arrive {
  from { opacity: .35; translate: 0 24px; }
  to { opacity: 1; translate: 0 0; }
}

/* Keep the publisher's press link at the far right, including on small screens. */
.page-home .press-link {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  flex-shrink: 0;
  padding: 6px 13px;
  min-height: 40px;
  border: 1px solid #214b382b;
  border-radius: 10px;
  background: #e9eddf;
  color: var(--green);
}
.page-home .press-label {
  font-size: .625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
}
.page-home .press-name {
  font: italic 22px/1 var(--serif);
}
.page-home .press-name span {
  display: inline-block;
  margin-left: 5px;
  font: 16px/1 var(--sans);
  transition: transform 220ms ease;
}
.page-home .press-link:hover { background: #dfe8cd; }
.page-home .press-link:hover .press-name span { transform: translate(2px, -2px); }

@media (max-width: 1050px) {
  .page-home .lesson-stack,
  .page-home .roadmap-track { gap: 20px; }
  .page-home :is(.lesson-card, .roadmap-step) { padding: 22px; }
  .page-home .lesson-card h3 { font-size: 25px; }
}
@media (min-width: 761px) and (max-width: 960px) {
  .page-home .lesson-stack,
  .page-home .roadmap-track { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .page-home .lesson-stack,
  .page-home .roadmap-track { gap: 18px; }
  .page-home .lesson-card { padding: 24px; }
  .page-home .lesson-card h3 { font-size: 28px; }
  .page-home .roadmap-step { grid-template-columns: 40px minmax(0, 1fr); gap: 10px 18px; }
  .page-home .roadmap-marker { width: 40px; height: 40px; font-size: 22px; margin: 0; }
  .page-home .roadmap-step h3 { font-size: 24px; }
  .page-home .press-link { flex-direction: column; align-items: flex-start; gap: 4px; padding: 6px 9px; }
  .page-home .press-label { font-size: .5625rem; }
  .page-home .press-name { font-size: 21px; }
}
@media (max-width: 370px) {
  .page-home .publisher-caption { max-width: 74px; font-size: .5625rem; }
  .page-home .publisher-row { gap: 7px; }
  .page-home .publisher-row .ticker-logo img { width: 118px; }
}
@media (prefers-reduced-motion: reduce) {
  .page-home :is(.lesson-card, .roadmap-step),
  .page-home :is(.lesson-card, .roadmap-step)::before,
  .page-home .lesson-actions .text-link::after,
  .page-home .press-name span {
    transform: none !important;
    translate: none !important;
    animation: none !important;
    transition: none !important;
    opacity: 1;
  }
  .page-home :is(.lesson-card, .roadmap-step)::before { opacity: .045; }
}
@media print {
  .page-home :is(.lesson-card, .roadmap-step) {
    transform: none;
    translate: none;
    animation: none;
    opacity: 1;
    break-inside: avoid;
    box-shadow: none;
  }
}