.materials-hero{position:relative;overflow:hidden;background:linear-gradient(90deg,#17191b 0%,#17191b 42%,rgba(23,25,27,.9) 55%,rgba(23,25,27,.18) 100%),url('hero-materials-load.webp') 76% 52%/cover no-repeat}
.materials-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(23,25,27,.42),transparent 52%);pointer-events:none}
.materials-hero .wrap{position:relative;z-index:1}
.materials-hero h1,.materials-hero p{max-width:650px}
@media(max-width:820px){.materials-hero{background:linear-gradient(90deg,rgba(23,25,27,.96),rgba(23,25,27,.62)),url('hero-materials-load.webp') 68% center/cover no-repeat}}

.materials-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4rem;align-items:start}
.material-group{min-width:0}
.group-intro{min-height:220px}
.group-intro h2{font-size:clamp(2.4rem,4vw,3.25rem);line-height:1.03;letter-spacing:-.045em;margin-bottom:1rem}
.group-intro .lead{font-size:1.05rem;line-height:1.8}
.material-feature{position:relative;overflow:hidden;border-radius:10px;margin:1.7rem 0 1rem;min-height:245px;background:#15191b;box-shadow:0 18px 42px rgba(20,25,27,.16)}
.material-feature img{display:block;width:100%;height:245px;object-fit:cover}
.material-feature:after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(180deg,transparent,rgba(10,13,14,.9))}
.material-feature div{position:absolute;right:0;bottom:0;left:0;z-index:1;padding:1.5rem;color:#fff}
.material-feature span{display:block;margin-bottom:.35rem;color:#ff7a3d;font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.material-feature strong{display:block;max-width:430px;font-size:1.25rem;line-height:1.3}
.material-list{display:grid;gap:.8rem}
.material-list article{display:grid;grid-template-columns:112px 1fr;min-height:112px;overflow:hidden;border:1px solid rgba(20,25,27,.09);border-radius:8px;background:#fff;box-shadow:0 8px 22px rgba(20,25,27,.07);transition:transform .2s ease,box-shadow .2s ease}
.material-list article:hover{transform:translateY(-2px);box-shadow:0 13px 28px rgba(20,25,27,.11)}
.material-list img{width:112px;height:100%;min-height:112px;object-fit:cover}
.material-list article>div{padding:1.1rem 1.2rem}
.material-list h3{margin:0 0 .35rem;color:#171b1d;font-size:1.06rem}
.material-list p{margin:0;color:#5b6265;font-size:.94rem;line-height:1.55}
.material-group .notice{margin-top:1rem;border-radius:8px}
@media(max-width:980px){.materials-columns{gap:2rem}.group-intro{min-height:250px}.material-list article{grid-template-columns:92px 1fr}.material-list img{width:92px}}
@media(max-width:760px){.materials-columns{grid-template-columns:1fr;gap:3.5rem}.group-intro{min-height:0}.material-feature,.material-feature img{height:220px;min-height:220px}.material-list article{grid-template-columns:104px 1fr}.material-list img{width:104px}}

.materials-note{grid-column:1/-1;margin:0 0 .5rem}
@media(max-width:440px){.material-list article{grid-template-columns:88px 1fr}.material-list img{width:88px}.material-list article>div{padding:1rem}.material-feature strong{font-size:1.1rem}}