/* EdTechSummit_242. Reconstructed from its own archived sections and logo. */
:root { --est-dark: #1a2a3a; --est-lime: #b5ff4e; --est-surface: #f2f6f9; --est-line: #d5e0e9; }
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--est-surface); color: var(--est-dark); font: 16px/1.64 Inter, system-ui, sans-serif; }
h1,h2,h3 { font-family: Manrope, Inter, sans-serif; line-height: 1.2; }
h1 { font-size: clamp(2rem,4.8vw,3.55rem); margin: 0 0 .4em; overflow-wrap: anywhere; }
h2 { font-size: clamp(1.45rem,2.9vw,2.15rem); }
a { color: #24516b; text-underline-offset: .17em; }
img { display: block; max-width: 100%; height: auto; }
button,input { font: inherit; }
button { cursor: pointer; }
.est-site-header { background: var(--est-dark); color: #fff; }
.est-header-inner, .est-content-wrap, .est-hero-inner, .est-footer-inner { width: min(1200px,calc(100% - 42px)); margin-inline: auto; }
.est-header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.est-brand { display: flex; align-items: center; gap: 9px; color: #fff; text-decoration: none; }
.est-brand-logo, .est-brand-logo svg { flex: none; width: 42px; height: 42px; }
.est-brand-text { display: grid; line-height: 1.23; }
.est-brand-name { font: 800 1.15rem/1.2 Manrope,sans-serif; }
.est-brand-tagline { font-size: .83rem; color: #d0e2f2; }
.est-nav { display: flex; align-items: center; gap: 14px; }
.est-nav-list { display: flex; flex-wrap: wrap; gap: 11px; margin: 0; padding: 0; list-style: none; }
.est-nav-list a { color: #fff; text-decoration: none; font-weight: 600; }
.est-nav-list .current-menu-item a, .est-nav-list a:hover { color: var(--est-lime); }
.est-search-form { display: flex; gap: 3px; }
.est-search-form input { width: min(110px,25vw); }
.est-menu-toggle { display: none; background: transparent; color: #fff; border: 1px solid #88a7b9; padding: 6px 9px; }
.est-menu-toggle span { display: block; width: 20px; height: 2px; background: currentColor; margin: 4px 0; }
.est-hero { padding-block: clamp(24px,5vw,58px); color: #fff; background: #243b50; border-bottom: 4px solid var(--est-lime); }
.est-hero-title { max-width: 21ch; }
.est-hero-desc { max-width: 62ch; color: #e0edf7; }
.est-hero-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,185px),1fr)); gap: 12px; margin-top: 20px; }
.est-hero-card { padding: 13px 15px; background: #324b60; border-left: 3px solid var(--est-lime); }
.est-hero-card-title { font: 750 1.1rem/1.3 Manrope,sans-serif; }
.est-hero-card-text { margin-bottom: 0; }
.est-content-wrap { padding-block: 25px 46px; }
.est-posts-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,240px),1fr)); gap: 15px; }
.est-card, .est-article { background: #fff; border: 1px solid var(--est-line); border-radius: 8px; }
.est-card-thumb:empty, .est-article-featured:empty { display: none; }
.est-card-body { padding: 15px; }
.est-card-title { font-size: 1.17rem; }
.est-card-title a { color: inherit; text-decoration: none; }
.est-card-meta, .est-article-meta, .est-breadcrumbs { color: #4b6272; font-size: .9rem; overflow-wrap: anywhere; }
.est-bc-sep { margin-inline: .32em; }
.est-theme-block { padding: 12px 18px; background: #e7efd9; border-left: 3px solid #5d852f; }
.est-content-with-sidebar { display: grid; grid-template-columns: minmax(0,1fr) minmax(190px,250px); align-items: start; gap: 20px; }
.est-primary { min-width: 0; }
.est-article { padding: clamp(15px,3vw,34px); }
.est-article-title { font-size: clamp(1.8rem,4vw,2.9rem); }
.est-article-body { overflow-wrap: anywhere; }
.est-article-body table { display: block; max-width: 100%; overflow: auto; border-collapse: collapse; }
.est-article-body :is(th,td) { border: 1px solid var(--est-line); padding: 6px 9px; text-align: left; }
.est-article-body th { background: #eaf3dd; }
.est-sidebar-area .widget { padding: 15px; border-top: 3px solid #7da53f; background: #fff; }
.est-sidebar-area ul, .est-site-footer ul { padding: 0; list-style: none; }
.est-sidebar-area li { margin-block: 6px; }
.est-pagination { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 15px; }
.est-site-footer { background: var(--est-dark); color: #e4f0f7; }
.est-site-footer a { color: var(--est-lime); }
.est-footer-widgets { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 20px; padding-block: 18px; }
.est-footer-bottom { padding: 10px 16px; text-align: center; border-top: 1px solid #677b8c; }
.est-cookie-bar { position: fixed; z-index: 5; inset: auto 10px 10px; padding: 10px 14px; color: #fff; background: var(--est-dark); border: 1px solid var(--est-lime); font-size: .9rem; }
.est-cookie-bar[hidden] { display: none; }
.est-cookie-accept { background: var(--est-lime); border: 0; color: var(--est-dark); font-weight: 750; padding: 5px 9px; }
@media(max-width:860px) {
  .est-header-inner { flex-wrap: wrap; padding-block: 8px; }
  .est-menu-toggle { display: block; }
  .est-nav { display: none; flex-basis: 100%; }
  .est-nav.is-open { display: grid; }
  .est-nav-list { flex-direction: column; }
  .est-content-with-sidebar { grid-template-columns: minmax(0,1fr); }
}
@media(max-width:520px) {
  .est-header-inner, .est-content-wrap, .est-hero-inner, .est-footer-inner { width: calc(100% - 28px); }
  .est-footer-widgets { grid-template-columns: minmax(0,1fr); }
}