.materials-page {
  --materials-bg: #061723;
  --materials-bg-deep: #04111c;
  --materials-line: rgba(104, 157, 183, 0.3);
  --materials-text: #f7fbff;
  --materials-muted: #a9c4d6;
  --materials-orange: #ff7a25;
  --materials-cyan: #0097b2;
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background:
    radial-gradient(circle at 86% 10%, rgba(0, 151, 178, 0.2), transparent 34rem),
    radial-gradient(circle at 82% 58%, rgba(0, 151, 178, 0.12), transparent 38rem),
    linear-gradient(180deg, #0b2334 0%, #0a1d2c 42%, #0b2334 72%, #081a28 100%);
  color: var(--materials-text);
}

.materials-page::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: -1;
  height: clamp(720px, 72vw, 1120px);
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(8, 26, 40, 0.72), rgba(8, 26, 40, 0.18) 48%, rgba(8, 26, 40, 0.5)),
    radial-gradient(ellipse at 50% 18%, rgba(0, 151, 178, 0.16), transparent 44rem),
    linear-gradient(180deg, rgba(8, 26, 40, 0.12) 0%, rgba(11, 35, 52, 0.28) 58%, transparent 100%);
}

.materials-page .container {
  position: relative;
  z-index: 1;
}

.materials-hero,
.materials-intro,
.materials-categories,
.materials-post,
.materials-choice,
.materials-support {
  position: relative;
  padding: clamp(58px, 7vw, 104px) 0;
}

.materials-hero {
  min-height: clamp(300px, 28vw, 420px);
  margin-bottom: clamp(-60px, -4vw, -34px);
  padding-top: clamp(30px, 3.8vw, 54px);
  padding-bottom: clamp(58px, 6vw, 88px);
  overflow: visible;
}

.materials-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 clamp(-90px, -6vw, -52px);
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(4, 17, 28, 0.9) 0%, rgba(4, 17, 28, 0.68) 34%, rgba(4, 17, 28, 0.34) 64%, rgba(4, 17, 28, 0.12) 100%),
    linear-gradient(180deg, rgba(4, 17, 28, 0.12) 0%, rgba(4, 17, 28, 0.2) 45%, rgba(4, 17, 28, 0.58) 74%, rgba(11, 35, 52, 0.98) 100%),
    radial-gradient(circle at 22% 28%, rgba(255, 145, 77, 0.12), transparent 26rem),
    radial-gradient(circle at 82% 22%, rgba(0, 151, 178, 0.16), transparent 34rem),
    url("../images/HeroMateriali.png") center calc(100% - 42px) / cover no-repeat;
  opacity: 1;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 56%, rgba(0, 0, 0, 0.84) 72%, rgba(0, 0, 0, 0.34) 91%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 56%, rgba(0, 0, 0, 0.84) 72%, rgba(0, 0, 0, 0.34) 91%, transparent 100%);
}

.materials-hero::after {
  content: none;
}

.materials-hero > .container {
  z-index: 2;
}

.materials-intro {
  z-index: 2;
  margin-top: -1px;
  margin-bottom: -1px;
  padding-top: clamp(44px, 4.8vw, 76px);
  padding-bottom: clamp(58px, 7vw, 104px);
  background: transparent;
}

.materials-categories {
  margin-top: -1px;
  background: transparent;
}

.materials-intro .materials-centered::before {
  content: none;
}

.materials-hero__inner,
.materials-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(400px, 1.1fr);
  gap: clamp(28px, 4.6vw, 68px);
  align-items: center;
}

.materials-hero__copy,
.materials-centered,
.materials-section-heading,
.materials-split__copy,
.materials-support__inner {
  position: relative;
}

.materials-hero__copy::before,
.materials-centered::before,
.materials-section-heading::before,
.materials-split__copy::before,
.materials-support__inner::before {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
  inset: -38px -54px;
  border-radius: 999px;
  background: radial-gradient(ellipse at center, rgba(0, 151, 178, 0.22), rgba(0, 151, 178, 0.09) 42%, transparent 72%);
  filter: blur(28px);
}

.materials-kicker {
  display: block;
  margin-bottom: 14px;
  color: var(--materials-orange);
  font-family: var(--ydea-font-mono);
  font-size: clamp(13px, 1.1vw, 16px);
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.materials-hero h1,
.materials-page h2 {
  margin: 0;
  color: #f8fafc;
  line-height: 1.04;
  letter-spacing: 0;
}

.materials-hero h1 {
  max-width: 620px;
  font-size: clamp(28px, 3.45vw, 48px);
}

.materials-page h2 {
  font-size: clamp(28px, 4vw, 54px);
}

.materials-hero__lead {
  max-width: 660px;
  margin: 12px 0 0;
  color: #e7f4fb;
  font-family: var(--ydea-font-mono);
  font-size: clamp(15px, 1.35vw, 18px);
  font-weight: 600;
  line-height: 1.5;
}

.materials-hero__copy p:not(.materials-hero__lead),
.materials-centered p,
.materials-section-heading p,
.materials-split__copy p,
.materials-support__inner p,
.materials-support p {
  color: var(--materials-muted);
  font-size: 17px;
  line-height: 1.7;
}

.materials-hero__copy p:not(.materials-hero__lead) {
  max-width: 640px;
  margin: 10px 0 0;
}

.materials-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 26px;
  padding: 0 22px;
  overflow: hidden;
  border-radius: 10px;
  background: linear-gradient(135deg, #ff9a4f, var(--materials-orange));
  color: #fff;
  font-family: var(--ydea-font-mono);
  font-weight: 800;
  box-shadow: 0 18px 36px rgba(255, 122, 37, 0.24);
  transition: transform 0.2s ease, box-shadow 0.22s ease, filter 0.22s ease;
}

.materials-btn--secondary {
  background: rgba(0, 151, 178, 0.16);
  color: #bff6ff;
  box-shadow: 0 14px 30px rgba(0, 151, 178, 0.12);
}

.materials-btn:hover,
.materials-btn:focus-visible {
  transform: translateY(-3px);
  filter: saturate(1.08);
  box-shadow: 0 20px 42px rgba(255, 122, 37, 0.3), 0 0 30px rgba(255, 122, 37, 0.16);
  outline: none;
}

.materials-hero__panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  gap: clamp(24px, 3vw, 40px) clamp(28px, 3.6vw, 52px);
  align-items: start;
  justify-self: center;
  width: min(100%, 620px);
  margin-top: clamp(12px, 2vw, 26px);
  overflow: visible;
}

.materials-hero__panel a,
.material-detail,
.materials-choice-grid article {
  position: relative;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.materials-hero__panel a::before,
.materials-choice-grid article::before {
  content: "";
  position: absolute;
  inset: -42px;
  z-index: -1;
  pointer-events: none;
  border-radius: 28px;
  background:
    radial-gradient(ellipse at 22% 12%, rgba(255, 145, 77, 0.16), transparent 48%),
    radial-gradient(ellipse at 86% 72%, rgba(0, 151, 178, 0.13), transparent 54%);
  filter: blur(20px);
  opacity: 0.62;
}

.materials-hero__panel a {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 9px;
  min-height: 0;
  padding: 4px 8px;
  overflow: visible;
  text-align: center;
  transform: scale(1);
  transition: transform 0.28s ease, opacity 0.28s ease, filter 0.28s ease;
}

.materials-hero__panel a::before {
  z-index: 0;
  inset: -58px;
  border-radius: 999px;
}

.materials-hero__panel a:nth-child(5) {
  grid-column: 1 / -1;
  justify-self: center;
  width: min(240px, 52%);
}

.materials-hero__panel img {
  position: relative;
  z-index: 2;
  width: clamp(64px, 5vw, 86px);
  height: clamp(64px, 5vw, 86px);
  object-fit: contain;
  opacity: 1;
  filter: drop-shadow(0 18px 34px rgba(255, 126, 38, 0.28));
}

.materials-hero__panel a::after {
  content: "";
  position: absolute;
  inset: -42px -34px;
  z-index: 1;
  pointer-events: none;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 34%, rgba(255, 126, 38, 0.26), rgba(255, 126, 38, 0.12) 34%, transparent 64%),
    radial-gradient(circle at 54% 52%, rgba(0, 151, 178, 0.12), transparent 68%);
  filter: blur(14px);
  opacity: 0.78;
  transform: scale(0.94);
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.materials-hero__panel a:hover,
.materials-hero__panel a:focus-visible {
  transform: translateY(-4px) scale(1.06);
  box-shadow: none;
  outline: none;
}

.materials-hero__panel.has-active a:not(.is-active) {
  opacity: 0.62;
  transform: scale(0.9);
  filter: saturate(0.78);
}

.materials-hero__panel a.is-active {
  opacity: 1;
  transform: translateY(-5px) scale(1.13);
  filter: saturate(1.12);
}

.materials-hero__panel a.is-active::after {
  opacity: 1;
  transform: scale(1.18);
}

.materials-hero__panel strong {
  position: relative;
  z-index: 2;
  color: #f8fafc;
  font-family: var(--ydea-font-mono);
  font-size: clamp(14px, 1.12vw, 17px);
}

.materials-hero__panel span {
  position: relative;
  z-index: 2;
  color: #9fb0c7;
  font-size: clamp(12px, 0.9vw, 14px);
  line-height: 1.38;
}

.materials-centered,
.materials-support__inner {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.materials-section-heading {
  max-width: none;
  margin-bottom: 34px;
}

.materials-categories .materials-section-heading {
  width: 100%;
}

.materials-categories .materials-section-heading p {
  max-width: none;
}

.materials-section-heading--center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.materials-accordion {
  display: grid;
  gap: 16px;
}

.material-detail {
  isolation: isolate;
  overflow: hidden;
  scroll-margin-top: 112px;
  border: 0;
  background: transparent;
  box-shadow: none;
  -webkit-mask-image: none;
  mask-image: none;
}

.material-detail::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 8px;
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 145, 77, 0.1), transparent 22rem),
    radial-gradient(circle at 86% 22%, rgba(0, 151, 178, 0.14), transparent 28rem);
  opacity: 0.82;
  filter: none;
  transition: opacity 0.28s ease, filter 0.28s ease;
}

.material-detail[open]::after {
  opacity: 1;
  filter: none;
}

#plastiche-tecniche::after,
#mini-serie::after {
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 145, 77, 0.1), transparent 22rem),
    radial-gradient(circle at 86% 22%, rgba(0, 151, 178, 0.14), transparent 28rem);
  opacity: 0.82;
  filter: none;
}

#plastiche-tecniche[open]::after,
#mini-serie[open]::after {
  opacity: 1;
  filter: saturate(1.12) contrast(1.1) brightness(1.22);
}

.material-detail[open] {
  min-height: auto;
}

.material-detail[open]::before {
  opacity: 1;
}

.material-detail summary {
  --toggle-size: clamp(54px, 5vw, 72px);
  --arrow-size: clamp(17px, 1.55vw, 22px);
  --toggle-top: clamp(20px, 1.9vw, 28px);
  --toggle-right: 28px;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 88px;
  grid-template-areas:
    "icon heading toggle"
    "icon desc desc";
  gap: 14px 22px;
  align-items: center;
  min-height: 92px;
  padding: 26px 28px 28px;
  cursor: pointer;
  list-style: none;
}

.material-detail__icon {
  grid-area: icon;
  position: relative;
  display: grid;
  place-items: center;
  width: clamp(72px, 7vw, 104px);
  height: clamp(72px, 7vw, 104px);
}

.material-detail__icon::before {
  content: "";
  position: absolute;
  inset: 4%;
  z-index: -1;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 145, 77, 0.22), transparent 68%);
  filter: blur(18px);
}

.material-detail__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 14px 28px rgba(2, 6, 23, 0.28));
}

.material-detail::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 1;
  background:
    linear-gradient(90deg, rgba(255, 122, 37, 0.12), rgba(255, 145, 77, 0.78) 18%, rgba(255, 177, 113, 0.58) 50%, rgba(255, 145, 77, 0.78) 82%, rgba(255, 122, 37, 0.12)) top left / 100% 1px no-repeat,
    linear-gradient(90deg, rgba(255, 122, 37, 0.12), rgba(255, 145, 77, 0.66) 18%, rgba(255, 177, 113, 0.48) 50%, rgba(255, 145, 77, 0.66) 82%, rgba(255, 122, 37, 0.12)) bottom left / 100% 1px no-repeat;
}

.material-detail summary::-webkit-details-marker {
  display: none;
}

.material-detail summary::after {
  content: "";
  position: absolute;
  top: var(--toggle-top);
  right: var(--toggle-right);
  width: var(--toggle-size);
  height: var(--toggle-size);
  border: 1px solid rgba(255, 145, 77, 0.68);
  border-radius: 999px;
  color: var(--materials-orange);
  box-shadow:
    inset 0 0 0 clamp(7px, 0.7vw, 10px) rgba(255, 145, 77, 0.055),
    0 0 clamp(18px, 2.2vw, 34px) rgba(255, 145, 77, 0.16),
    0 10px 26px rgba(2, 6, 23, 0.16);
}

.material-detail summary::before {
  content: "";
  position: absolute;
  top: calc(var(--toggle-top) + (var(--toggle-size) - var(--arrow-size)) / 2 - 3px);
  right: calc(var(--toggle-right) + (var(--toggle-size) - var(--arrow-size)) / 2);
  z-index: 1;
  width: var(--arrow-size);
  height: var(--arrow-size);
  border-right: 4px solid var(--materials-orange);
  border-bottom: 4px solid var(--materials-orange);
  transform: rotate(45deg);
  transform-origin: center;
}

.material-detail[open] summary::before {
  top: calc(var(--toggle-top) + (var(--toggle-size) - var(--arrow-size)) / 2 + 5px);
  transform: rotate(225deg);
}

.material-detail summary h3 {
  grid-area: heading;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.28em;
  margin: 0;
  max-width: min(1120px, 100%);
  text-align: left;
}

.material-detail summary h3 span {
  color: var(--materials-orange);
  font-family: var(--ydea-font-mono);
  font-size: clamp(24px, 3.1vw, 44px);
  font-weight: 800;
  line-height: 1.08;
  text-transform: uppercase;
}

.material-detail summary strong {
  color: #f8fafc;
  font-family: var(--ydea-font-mono);
  font-size: clamp(20px, 2.45vw, 34px);
  font-weight: 800;
  line-height: 1.14;
}

.material-detail summary em {
  grid-area: desc;
  text-align: left;
  width: 100%;
  max-width: none;
  color: #d2dbea;
  font-style: normal;
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.6;
}

.material-detail__intro p {
  color: var(--materials-orange);
  font-weight: 800;
}

.material-detail__body {
  position: relative;
  z-index: 2;
  padding: 0 24px 26px;
}

.material-detail__intro {
  display: grid;
  max-width: 760px;
  align-items: center;
  margin-bottom: 22px;
}

.material-detail__intro p {
  margin: 0;
  font-family: var(--ydea-font-mono);
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.65;
}

.material-detail__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 24px;
}

.material-detail__grid h3 {
  margin: 0 0 14px;
  color: #f8fafc;
  font-size: 16px;
  text-transform: uppercase;
}

.materials-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.materials-chip-list span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid rgba(255, 145, 77, 0.34);
  border-radius: 999px;
  background: rgba(255, 122, 37, 0.08);
  color: #f8fafc;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 0 18px rgba(255, 122, 37, 0.1);
}

.materials-family-list {
  display: grid;
  gap: 0;
}

.materials-family-card {
  position: relative;
  overflow: visible;
  padding: 22px 0;
  border: 0;
  border-bottom: 1px solid rgba(255, 145, 77, 0.28);
  border-radius: 0;
  background: transparent;
}

.materials-family-card:first-child {
  padding-top: 0;
}

.materials-family-card:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.materials-family-card h4 {
  margin: 0;
  padding: 0;
  border-bottom: 0;
  color: var(--materials-orange);
  font-family: var(--ydea-font-mono);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.2;
  text-transform: uppercase;
}

.materials-material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px 42px;
  padding: 20px 0 0;
}

.materials-material-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: auto;
  padding: 0 0 0 16px;
  border: 0;
  border-left: 2px solid rgba(0, 151, 178, 0.42);
  border-radius: 0;
  background: transparent;
}

.materials-material-card::before {
  content: "";
  position: absolute;
  top: 0.12em;
  bottom: 0.12em;
  left: -2px;
  width: 2px;
  background: linear-gradient(180deg, var(--materials-orange), rgba(0, 151, 178, 0.3));
  opacity: 0;
  transition: opacity 0.18s ease;
}

.materials-material-card:hover::before {
  opacity: 1;
}

.materials-material-card h5 {
  margin: 0;
  color: #f8fafc;
  font-size: clamp(18px, 1.55vw, 24px);
  font-weight: 900;
  line-height: 1.12;
}

.materials-color-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 100%;
}

.materials-color-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid rgba(169, 196, 214, 0.18);
  border-radius: 999px;
  background: rgba(2, 16, 28, 0.5);
  color: #cbd5e1;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
}

.materials-color-chip i {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 50%;
  background: var(--material-color);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.14);
}

.materials-loading {
  margin: 0;
  color: #bff6ff;
  font-family: var(--ydea-font-mono);
  font-size: 14px;
  font-weight: 750;
}

.materials-check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  color: #cbd5e1;
  list-style: none;
  line-height: 1.55;
}

.materials-check-list li {
  position: relative;
  padding-left: 18px;
}

.materials-check-list li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--materials-orange);
}

.materials-process-grid,
.materials-choice-grid {
  display: grid;
  gap: 14px;
}

.materials-process-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.materials-process-grid article {
  position: relative;
  display: flex;
  gap: 20px;
  align-items: center;
  min-height: 96px;
  padding: 8px 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.materials-process-grid article span {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 78px;
  height: 78px;
  margin-top: 2px;
  background: transparent;
  box-shadow: none;
}

.materials-process-grid article img {
  display: block;
  width: 150px;
  height: 150px;
  object-fit: contain;
  image-rendering: auto;
  filter: saturate(0.98) contrast(1.04);
}

.materials-process-grid p,
.materials-choice-grid p {
  margin: 0;
  color: #cbd5e1;
  line-height: 1.55;
}

.materials-choice-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.materials-choice-grid article {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 150px;
  padding: 20px;
  overflow: visible;
  border: 0;
  background: transparent;
  box-shadow: none;
  text-align: center;
}

.materials-choice-grid article::before {
  z-index: 0;
  inset: -28px -22px;
  border-radius: 999px;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(255, 126, 38, 0.24), rgba(255, 126, 38, 0.1) 38%, transparent 68%),
    radial-gradient(ellipse at 50% 68%, rgba(255, 177, 113, 0.12), transparent 62%);
  filter: blur(18px);
  opacity: 0.9;
}

.materials-choice-grid h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 10px;
  color: #f8fafc;
  font-size: 17px;
  line-height: 1.25;
  text-align: center;
}

.materials-choice-grid p {
  position: relative;
  z-index: 1;
  max-width: 24ch;
  margin-right: auto;
  margin-left: auto;
  color: #bff6ff;
  font-family: var(--ydea-font-mono);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.materials-support {
  position: relative;
  padding-top: clamp(84px, 9vw, 122px);
  padding-bottom: clamp(96px, 10vw, 140px);
  border-top: 1px solid rgba(104, 157, 183, 0.2);
  background:
    linear-gradient(180deg, rgba(255, 122, 37, 0.08), transparent 42%),
    transparent;
}

.materials-support::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: min(760px, calc(100% - 48px));
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 122, 37, 0.58), transparent);
  transform: translateX(-50%);
}

.materials-support__inner {
  max-width: 760px;
}

.materials-support__inner h2 {
  font-size: clamp(34px, 4.6vw, 56px);
}

.materials-support__inner p {
  color: #e7f4fb;
  font-weight: 700;
}

.materials-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

@media (prefers-reduced-motion: reduce) {
  .materials-btn,
  .materials-hero__panel a {
    transition: none;
  }
}

@media (max-width: 1080px) {
  .materials-hero__inner,
  .materials-split {
    grid-template-columns: 1fr;
  }

  .materials-hero__panel {
    grid-template-columns: repeat(2, minmax(150px, 1fr));
    max-width: 560px;
  }

  .materials-choice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .materials-hero__panel,
  .materials-process-grid,
  .materials-choice-grid,
  .material-detail__grid,
  .material-detail__intro {
    grid-template-columns: 1fr;
  }

  .material-detail summary {
    --toggle-size: 56px;
    --arrow-size: 19px;
    --toggle-top: auto;
    --toggle-right: auto;
    grid-template-columns: 1fr;
    grid-template-areas:
      "icon"
      "heading"
      "desc";
    justify-items: center;
    gap: 10px 14px;
    padding: 20px 18px 86px;
    text-align: center;
  }

  .material-detail summary h3,
  .material-detail summary em {
    text-align: center;
  }

  .material-detail summary::after {
    top: auto;
    right: auto;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow:
      inset 0 0 0 7px rgba(255, 145, 77, 0.055),
      0 0 22px rgba(255, 145, 77, 0.16),
      0 10px 22px rgba(2, 6, 23, 0.16);
  }

  .material-detail summary::before {
    top: auto;
    right: auto;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
  }

  .material-detail[open] summary::before {
    top: auto;
    bottom: 32px;
    transform: translateX(-50%) rotate(225deg);
  }

  .material-detail__body {
    padding: 0 18px 22px;
  }

  .material-detail[open] {
    min-height: 0;
  }

  .material-detail::after {
    background:
      radial-gradient(circle at 82% 20%, rgba(0, 151, 178, 0.24), transparent 24rem),
      radial-gradient(circle at 8% 0%, rgba(255, 145, 77, 0.1), transparent 18rem),
      transparent;
  }

  #plastiche-tecniche::after,
  #mini-serie::after {
    background:
      radial-gradient(circle at 82% 20%, rgba(0, 151, 178, 0.22), transparent 24rem),
      radial-gradient(circle at 8% 0%, rgba(255, 145, 77, 0.1), transparent 18rem),
      transparent;
    opacity: 0.98;
    filter: none;
  }

  .materials-hero__panel {
    grid-template-columns: repeat(2, minmax(130px, 1fr));
    max-width: 520px;
  }

  .materials-hero__panel a:nth-child(5) {
    width: min(220px, 58%);
  }
}

@media (max-width: 540px) {
  .materials-hero,
  .materials-intro,
  .materials-categories,
  .materials-post,
  .materials-choice,
  .materials-support {
    padding: 52px 0;
  }

  .materials-hero {
    min-height: 380px;
    margin-bottom: -42px;
    padding-top: 42px;
    padding-bottom: 72px;
  }

  .materials-intro {
    padding-top: 58px;
  }

  .materials-hero h1 {
    font-size: 30px;
  }

  .materials-hero__panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .materials-hero__panel a:nth-child(5) {
    width: min(190px, 66%);
  }

  .materials-page h2 {
    font-size: 26px;
  }

  .materials-btn {
    width: 100%;
    text-align: center;
  }

  .materials-actions {
    width: 100%;
  }
}