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p,.footer-col a{color:#b7c1c5}.copyright{color:#98a7ad;border-top-color:#43545e}@media (max-width:900px){.hero-grid,.detail-layout,.article-layout{grid-template-columns:1fr}.hero-stack{margin-top:8px;display:block}.study-tools-inner{grid-template-columns:1fr;gap:24px}.article-cluster .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.container,.narrow{width:min(100% - 28px,1080px)}.site-header{position:static}.nav{flex-wrap:wrap;gap:7px;height:auto;padding-top:9px}.brand{padding-bottom:3px}.nav-links{border-top:1px solid var(--line);scrollbar-width:thin;gap:0;width:calc(100% + 28px);margin-inline:-14px;overflow-x:auto}.nav-links a,.nav-links a:not(.nav-cta){white-space:nowrap;flex:none;min-height:44px;padding:9px 14px;display:block}.nav-cta{border:0;border-left:1px solid var(--line);border-radius:0}.hero{padding:46px 0 40px}.hero-grid{gap:36px}.hero h1{font-size:clamp(2.55rem,14vw,3.7rem)}.hero-copy{font-size:.96rem}.hero-stack{display:none}.search-shell{margin-top:24px}.stats{grid-template-columns:repeat(3,1fr)}.stat{padding-right:10px}.stat:last-child{display:block}.stat strong{font-size:1rem}.stat span{font-size:.68rem;line-height:1.45}.section{padding:52px 0}.section-sm{padding:36px 0}.grid-4,.grid-3,.article-cluster .grid-3{grid-template-columns:1fr}.word-card{min-height:0;padding-block:17px}.study-tool-links a{grid-template-columns:1fr auto;gap:4px 12px}.study-tool-links span{grid-area:2/1/auto/-1}.study-tool-links svg{grid-area:1/2/3}.editorial-note-inner{flex-direction:column;align-items:flex-start;gap:20px}.page-hero{padding:40px 0 28px}.word-title{flex-direction:column;align-items:flex-start}.word-title h1{font-size:clamp(2.8rem,15vw,4rem)}.speak-button{min-height:44px}.meaning-list{padding-left:36px}.content-block{margin-block:36px}.example{padding-inline:15px}.save-section{margin-inline:-4px;padding:18px}.article-header h1{font-size:clamp(1.8rem,8vw,2.35rem)}.article-content h2{font-size:1.34rem}.comparison-table caption,.comparison-table tbody tr,.comparison-table tbody th{box-shadow:none;border-radius:3px}.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mode-card{min-height:108px}.quiz-shell{padding:22px 17px}.quiz-option{min-height:54px}.footer-grid{gap:28px 18px}}