/* Materials layout: folder cards and system conveyor rows. */
.materials { --materials-card-grey: #f5f5f5; padding: 48px; margin-bottom: 64px; border-radius: var(--hero-radius); background: #f1f1f1; color: #202020; line-height: 1.5; }
.materials__title { margin: 0 0 44px; font-size: clamp(32px, 3.3vw, 46px); line-height: 1.12; font-weight: 500; letter-spacing: -.04em; text-align: center; }
.materials__columns { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 24px; }
.materials__panel { display: grid; grid-row: span 2; grid-template-rows: subgrid; min-width: 0; padding: 28px; border: 1px solid #d8d8d8; border-radius: 20px; background: #fff; }
.materials__panel-header { margin: 0; }
.materials__panel-title { margin: 0 0 6px; font-size: 22px; line-height: 1.5; font-weight: 500; letter-spacing: -.025em; }
.materials__panel-header p { margin: 0; color: #666; font-size: 14px; }
.materials :where(ul) { list-style: none; margin: 0; padding: 0; }
.materials__material-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.materials__mini-card {
  position: relative;
  isolation: isolate;
  min-width: 0;
  min-height: 208px;
  overflow: hidden;
  border: 1px solid #ededed;
  border-radius: 18px;
  background: var(--materials-card-grey);
}
.materials__folder-papers { position: absolute; inset: 0; pointer-events: none; }
.materials__folder-paper {
  position: absolute;
  top: 18px;
  left: 15px;
  right: 15px;
  height: 112px;
  border: 1px solid #f1f1f1;
  border-radius: 8px 8px 2px 2px;
  background: #fff;
  transform-origin: center bottom;
}
.materials__folder-paper:nth-child(1) { top: 16px; transform: rotate(-3deg); background: #fafafa; }
.materials__folder-paper:nth-child(2) { top: 20px; transform: rotate(2deg); background: #fcfcfc; }
.materials__folder-paper:nth-child(3) { top: 27px; transform: rotate(-1deg); }
.materials__folder-paper:nth-child(3)::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 13px;
  width: 48%;
  height: 4px;
  border-radius: 2px;
  background: #ededed;
  box-shadow: 0 10px 0 #f4f4f4;
}
.materials__mini-card::after {
  content: '';
  position: absolute;
  z-index: 1;
  inset: 52px 0 0;
  border-radius: 0 0 17px 17px;
  background: var(--materials-card-grey);
  clip-path: polygon(0 0, 45% 0, 57% 16px, 100% 16px, 100% 100%, 0 100%);
  pointer-events: none;
}
.materials__folder-content { position: relative; z-index: 2; padding: 86px 18px 20px; }
.materials__folder-content .materials__folder-title { color: #454545; font-weight: 500; letter-spacing: -.015em; }
.materials__mini-card:nth-child(even) .materials__folder-paper:nth-child(1) { transform: rotate(-2deg); }
.materials__mini-card:nth-child(even) .materials__folder-paper:nth-child(2) { transform: rotate(3deg); }
.materials__folder-title { margin: 0 0 10px; font-size: 16px; font-weight: 500; line-height: 1.3; }
.materials__mini-card p { margin: 0; font-size: 13px; line-height: 1.5; color: #666; }
.materials__systems-panel { overflow: hidden; }
.materials__systems-panel .materials__panel-header { position: relative; z-index: 1; }
.materials__logo-field {
  display: grid;
  align-items: center;
  min-height: 0;
  border: 1px solid #ededed;
  border-radius: 18px;
  background: var(--materials-card-grey);
  overflow: hidden;
}
.materials__system-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: center;
  gap: 12px 8px;
  width: 100%;
  max-width: 280px;
  padding: 24px 12px;
  margin: auto;
  mask-image: radial-gradient(ellipse 70% 62% at 50% 50%, #000 40%, transparent 100%);
}
.materials__system-logo {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border-radius: 22%;
  background: #fff;
}
.materials__system-logo img { display: block; width: 46%; height: 46%; object-fit: contain; }
.materials__system-logo--named { padding: 5px; text-align: center; }
.materials__system-logo--named span { font: 500 10px/1.2 var(--sans); color: #454545; overflow-wrap: anywhere; }
.materials__system-logo:nth-child(4n + 1) { transform: translateY(8px) scale(.88); }
.materials__system-logo:nth-child(4n) { transform: translateY(-8px) scale(.88); }
.materials__system-logo:nth-child(-n + 4), .materials__system-logo:nth-last-child(-n + 4) { opacity: .55; }
.materials__system-logo--wide img { width: 62%; height: 48%; }
.materials__system-logo--salesforce img { width: 82%; height: 82%; object-fit: cover; }
.materials__logo-field.has-belts { position: relative; align-content: center; gap: 20px; padding-block: 28px 16px; }
.has-belts > .materials__system-list { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); padding: 0; }
.materials__belts { display: grid; gap: 16px; min-width: 0; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.materials__lane { overflow: hidden; }
.materials__track { display: flex; width: max-content; animation: systems-conveyor 32s linear infinite; }
.materials__lane:nth-child(even) .materials__track { animation-direction: reverse; }
.materials__belt-group { display: flex; gap: 12px; padding-right: 12px; }
.materials__belt-group .materials__system-logo { width: 64px; height: 64px; flex: 0 0 64px; transform: none; opacity: 1; }
.is-offscreen .materials__track, .is-outside .materials__track { animation-play-state: paused; }
@media (hover: hover) and (pointer: fine) {
  .materials__logo-field:hover .materials__track { animation-play-state: paused; }
}
@keyframes systems-conveyor { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce), print {
  .materials__belts { display: none; }
  .has-belts > .materials__system-list { position: static; width: 100%; height: auto; overflow: visible; clip-path: none; padding: 24px 12px; mask-image: none; }
  .has-belts .materials__system-logo { opacity: 1; transform: none; }
}
@media (max-width: 1100px) {
  .materials { padding: 32px; }
  .materials__columns { gap: 20px; }
  .materials__panel { padding: 22px; }
  .materials__material-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .materials { padding: 28px 20px; margin: 0 16px 40px; border-radius: var(--hero-radius); }
  .materials__title { margin-bottom: 28px; font-size: 32px; }
  .materials__columns { grid-template-columns: minmax(0, 1fr); }
  .materials__panel { grid-row: auto; grid-template-rows: auto auto; gap: 24px; padding: 20px; border-radius: 16px; }
  .materials__logo-field { min-height: 380px; }
}
@media (max-width: 420px) {
  .materials { padding-inline: 12px; }
  .materials__panel { padding: 12px; }
  .materials__material-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .materials__mini-card { min-height: 180px; border-radius: 12px; }
  .materials__folder-paper { left: 8px; right: 8px; }
  .materials__mini-card::after { inset-block-start: 40px; }
  .materials__folder-content { padding: 65px 10px 14px; }
  .materials__folder-title { font-size: 13px; line-height: 1.3; margin-bottom: 8px; overflow-wrap: anywhere; }
  .materials__mini-card p { font-size: 12px; line-height: 1.45; }
}