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a:not(.nav-cta){display:none}.hero{grid-template-columns:1fr;min-height:760px}.event-card{max-width:440px}.stats{grid-template-columns:repeat(2,1fr)}.split-heading,.schedule-heading{grid-template-columns:1fr;gap:24px}.experience-grid{grid-template-columns:1fr}.experience-grid article{border-right:0;border-bottom:1px solid var(--line)}.keynote{grid-template-columns:1fr}.keynote-portrait{min-height:330px}.track-cloud{grid-template-columns:repeat(2,1fr)}.student-experience{grid-template-columns:1fr}.student-poster{max-width:760px}.schedule-controls{grid-template-columns:1fr 1fr}.day-toggle{grid-column:1/-1}.session-row summary{grid-template-columns:90px minmax(0,1fr) 100px 20px;gap:16px}.session-detail{padding-left:126px;padding-right:148px}.speaker-grid{grid-template-columns:repeat(2,1fr)}.plan{grid-template-columns:1fr}}@media (max-width:640px){.site-header{min-height:68px;padding:11px 18px}.brand{gap:8px}.brand img{width:112px}.partner-divider{min-height:28px}.partner-chapter{max-width:72px;font-size:10px}.nav-cta{padding:9px 10px;font-size:12px}.hero{background:linear-gradient(150deg, #fff 0%, #fff 66%, var(--atd-blue-light) 66%);min-height:760px;padding:76px 20px 80px}h1{font-size:52px}.hero-sun{opacity:.35;width:190px;height:190px;top:230px;right:-30px}.hero-arch{border-width:72px;width:380px;height:380px}.event-card{padding:26px}.event-card-stripe{margin:18px -26px -26px}.stats div{padding:22px;display:block}.stats strong,.stats span{display:block}.stats span{margin-top:7px}.section{padding:78px 20px}.section-heading h2,.closing-cta h2{font-size:42px}.track-cloud{grid-template-columns:1fr}.student-experience{gap:42px}.student-poster{border-width:5px;transform:none}.student-details,.student-highlights,.schedule-controls{grid-template-columns:1fr}.day-toggle{width:100%}.day-toggle button{flex:1;min-width:0;padding:11px}.session-row summary{grid-template-columns:70px minmax(0,1fr) 20px;padding:20px 4px}.session-room{text-align:left;grid-column:2}.session-expand{grid-area:1/3/span 2}.session-detail{padding:0 24px 24px 94px;display:block}.session-detail span{white-space:normal;margin-top:14px;display:block}.speaker-heading{display:block}.speaker-search{margin-top:24px}.speaker-grid{grid-template-columns:1fr}.speaker-intro{min-height:0}footer{flex-direction:column;align-items:flex-start}footer .brand-name{display:block}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}