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/* White liquid glass design system */
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.site-header{top:14px;margin:14px 24px 22px;border:1px solid #ffffffde;border-radius:23px;background:linear-gradient(125deg,#ffffffe6,#ffffff91);box-shadow:var(--edge),0 8px 32px #213c2610}
.nav-wrap{min-height:72px}.nav{gap:8px}.nav a{padding:11px 16px;border-radius:30px;transition:background .2s,box-shadow .2s}.nav a.active{background:linear-gradient(145deg,#ffffffef,#ffffff75);box-shadow:inset 0 1px 1px white,0 3px 9px #45583b10}.nav a:hover{background:#ffffff70}.nav a.active:after{display:none}
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@media(max-width:520px){.hero .shell{padding:16px}.hero-glass{padding:28px 24px;border-radius:22px}.hero h1{font-size:40px}.hero .lead{font-size:13px}.hero.home{min-height:500px}.hero{min-height:430px}.card{padding:26px}.mineral{height:205px}.contact-panel,.contact-links{padding:24px}.region-copy,.region.reverse>.region-copy{padding:25px 22px;margin:-25px 0 0}.region>img{height:235px}.section-head p{font-size:13px}.photo-card{height:250px}.market{column-gap:8px;row-gap:5px}.strip h2{font-size:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.page{animation:none}*,*:before,*:after{transition:none!important}}


/* Lightweight glass: static highlights, one desktop hero blur. */
:root{--edge:inset 0 1px 0 #fff;--depth:0 5px 16px #34493a0c}
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.site-header{background:linear-gradient(125deg,#fffffff5,#f5f7f1f2);box-shadow:var(--edge),0 3px 12px #213c260b}
.hero-glass{background:linear-gradient(120deg,#fffffff2,#ffffffd6 55%,#ffffffbc);box-shadow:var(--edge),0 5px 18px #2834250c}
.feature-copy,.region-copy{background:linear-gradient(130deg,#ffffffef,#ffffffe0);box-shadow:var(--edge),0 4px 12px #21322508}
.photo-card>div{background:linear-gradient(130deg,#31423ec9,#43524fb8);box-shadow:inset 0 1px 0 #ffffff70}
.mineral div{background:linear-gradient(130deg,#263832d9,#32443acc)}
.card,.button,.nav a{transition:background-color .15s}
.card:hover,.button:hover{transform:none;box-shadow:var(--edge),var(--depth)}
.photo-card img{transition:none}.photo-card:hover img{transform:none}.mineral img{filter:none}
.page{animation:none}
@media(min-width:801px){.hero-glass{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}}
@media(max-width:800px){.nav{background:#f9fbf7}.hero-glass{background:linear-gradient(120deg,#fffffff5,#ffffffdf)}}

/* Lightweight learning hub: no frameworks, continuous animation or backdrop filters. */
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