/* Responsive system: mobile ≤480, tablet 481–768, compact desktop 769–1024,
   desktop 1025–1439, wide desktop ≥1440. */

/* Wide desktop */
@media (min-width:1440px){
  .container{width:min(1320px,calc(100% - 96px))}
  .hero{min-height:780px}.hero-content{padding-top:195px}
  .hero h1{font-size:82px}.intro,.program{padding-top:145px;padding-bottom:125px}
  .highlight.container{min-height:650px}.highlight-copy{padding-top:145px;padding-bottom:110px}
  .closing{padding:160px 0}.support{padding:135px 0}
}

/* Standard desktop */
@media (min-width:1025px) and (max-width:1439px){
  .container{width:min(1180px,calc(100% - 64px))}
  .highlight-copy{padding-left:6%;padding-right:7%}
  .support-content{gap:64px}
}

/* Compact desktop / landscape tablet */
@media (min-width:769px) and (max-width:1024px){
  .container{width:calc(100% - 56px)}
  .site-header{height:82px}.hero{min-height:680px}.hero-content{padding-top:145px}
  .hero-title{gap:30px}.anniversary span{font-size:165px}.hero h1{font-size:58px}
  .intro{padding:100px 0 80px}.intro-layout{gap:55px}.stats{margin-top:65px}
  .program{padding:90px 0}.event{grid-template-columns:130px 1fr 135px;gap:18px;padding:21px}
  .highlight.container{width:100%;grid-template-columns:1fr 1fr;min-height:520px}
  .highlight-copy{padding:82px 44px}.highlight h2{font-size:43px}
  .closing{padding:105px 0}.closing h2{font-size:62px!important}.support{padding:95px 0}
  .support h2{font-size:62px}.support-content{gap:52px}.support-qr{width:252px}.support-qr img{width:228px;height:228px}
  .event-dialog{width:min(900px,calc(100% - 48px));padding:54px}
}

/* Tablet and large phones */
@media (min-width:481px) and (max-width:768px){
  .container{width:calc(100% - 48px)}
  .site-header{height:76px}.site-header nav{display:flex!important;gap:18px}.site-header nav>a{display:none}.contact-wrap{display:block!important}.hero{min-height:650px}.hero-content{padding-top:130px}
  .hero-title{gap:24px}.anniversary span{font-size:135px}.anniversary i{font-size:35px}.hero h1{font-size:48px}
  .intro{padding:85px 0 74px}.intro-layout{grid-template-columns:1fr;gap:28px}.intro-layout>p{max-width:620px}
  .stats{margin-top:52px}.stats b{font-size:40px}
  .program{padding:78px 0}.day-tabs{grid-template-columns:repeat(2,1fr);margin:42px 0 20px}
  .event{grid-template-columns:115px 1fr;gap:16px;padding:20px}.event-place{grid-column:2;text-align:left}.event-arrow{display:none}
  .highlight.container{width:100%;grid-template-columns:1fr;min-height:0}.highlight-art{height:390px}.highlight-copy{padding:62px 48px 72px}.highlight h2{font-size:52px}
  .closing{padding:88px 0}.closing-content{width:calc(100% - 48px)!important}.closing h2{font-size:60px!important}
  .support{padding:82px 0}.support-content{grid-template-columns:1fr;gap:40px}.support h2{font-size:60px}.support-qr{width:274px}
  .event-dialog{width:calc(100% - 42px);padding:42px 34px}.speaker{grid-template-columns:115px 1fr}
}

/* Mobile */
@media (max-width:480px){
  .container{width:calc(100% - 32px)}
  .site-header{height:68px}.brand-image{width:108px}.site-header nav{display:flex!important}.site-header nav>a{display:none}.contact-wrap{display:block!important}
  .hero{min-height:620px}.hero-grid{background-size:68px 68px}.hero-content{padding-top:110px}
  .eyebrow{font-size:10px}.hero-title{align-items:flex-end;gap:15px}.anniversary span{font-size:105px}.anniversary i{font-size:26px;margin-bottom:1px}.hero h1{font-size:35px;line-height:1.02}.hero-lead{margin:24px 0;font-size:15px;line-height:1.55}.button{gap:19px;padding:14px 16px;font-size:11px}
  .intro{padding:70px 0}.intro h2,.section-heading h2{font-size:38px}.intro-layout{grid-template-columns:1fr;gap:26px}.intro-layout>p{font-size:15px;line-height:1.6}
  .stats{margin-top:42px}.stats>div{padding:19px 0;gap:15px}.stats b{font-size:36px}.stats span{font-size:10px}
  .program{padding:68px 0}.section-heading>p{font-size:12px}.day-tabs{grid-template-columns:1fr 1fr;gap:8px;margin:32px 0 16px}.day-tabs button{padding:13px 12px;font-size:20px}.day-tabs small{display:block;margin:5px 0 0;font-size:9px}
  .event{grid-template-columns:1fr;gap:10px;padding:18px}.event-time{font-size:16px}.event h3{font-size:15px}.event-place{font-size:11px;text-align:left}.event-arrow{display:none}
  .highlight.container{width:100%;grid-template-columns:1fr;min-height:0}.highlight-art{height:300px}.highlight-copy{padding:50px 24px 58px}.highlight h2{font-size:39px;line-height:1.05;margin:18px 0 24px}.highlight-copy>p:not(.section-kicker){font-size:15px}.detail-row{margin-top:28px;padding-top:18px;font-size:10px;gap:8px}.detail-row span+span:before{padding-right:8px}
  .closing{padding:75px 0}.closing-content{width:calc(100% - 32px)!important}.closing h2{font-size:42px!important}.closing h2 em{margin-top:4px}.closing-content>div:first-child>p:not(.section-kicker){font-size:15px;line-height:1.55}.closing:after{font-size:250px!important;right:0!important;bottom:0!important;opacity:.7}
  .support{padding:74px 0}.support-content{grid-template-columns:1fr;gap:34px}.support h2{font-size:42px;line-height:1.04}.support-content>div:first-child>p:not(.section-kicker){font-size:15px;line-height:1.6}.support-qr{width:250px}.support-qr img{width:226px;height:226px}
  footer{width:calc(100% - 32px)!important;padding:32px 0}.event-dialog{width:calc(100% - 20px);max-height:88vh;padding:42px 20px 24px}.dialog-title{font-size:29px}.dialog-moderator{font-size:14px}.speaker{grid-template-columns:1fr;gap:7px;padding:18px 0}.speaker-time{font-size:14px}.speaker-photo{width:80px!important;height:80px!important}.dialog-close{top:13px;right:15px}
}