*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:#f5f7fa;color:#142c46;font:16px/1.65 system-ui,sans-serif}a{color:#125ca5;text-underline-offset:4px}a:hover{color:#993d15}header{background:#fff;padding:22px 5%;border-bottom:1px solid #d6e0e8}.brand{font-size:25px;font-weight:850;text-decoration:none;color:#163f69}.brand span{display:block;font-size:12px;font-weight:600;letter-spacing:.08em}nav{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:18px;font-size:14px}main{max-width:1180px;margin:auto;padding:0 28px}section{padding:65px 0;border-bottom:1px solid #d9e3ee}h1,h2,h3{line-height:1.16;letter-spacing:-.035em}h1{font-size:clamp(36px,6vw,74px);max-width:900px;margin:18px 0}h2{font-size:clamp(28px,3vw,40px)}h3{font-size:23px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:750;color:#196653}.hero{padding:70px 0 65px}.theme{font-size:clamp(23px,3vw,33px);line-height:1.35;max-width:880px;font-weight:500}.hero-logo{max-width:230px;max-height:130px;object-fit:contain}.tags,.actions{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0}.tag{padding:6px 14px;background:#e0ebe7;border-radius:30px;font-weight:650;font-size:14px}.button,button{display:inline-block;background:#164f87;color:#fff;border:0;border-radius:7px;padding:13px 20px;font:inherit;font-weight:650;text-decoration:none;cursor:pointer}.button:hover,button:hover{background:#103c66;color:#fff}.secondary{background:white;color:#164f87;border:1px solid #164f87}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{background:white;padding:26px;border:1px solid #d9e3ee;border-radius:12px}.card p{font-size:15px}.muted{color:#536b7e}.intro{font-size:19px;max-width:900px}.notice{padding:18px 22px;background:#e5edf6;border-left:4px solid #23629b;border-radius:4px;margin:22px 0}.error{background:#fff0ec;border-color:#ae3c26}form{max-width:780px}label{display:block;font-weight:600;margin:18px 0 5px}input,textarea,select{width:100%;font:inherit;padding:12px;border:1px solid #9aafc2;border-radius:5px;background:white;color:#142c46}input[type=checkbox]{width:auto}textarea{min-height:120px}button{margin-top:18px}fieldset{border:1px solid #c3d0dd;border-radius:8px;margin:20px 0;padding:24px}legend{font-weight:700}.guest-photo{width:80px;height:80px;object-fit:cover;border-radius:50%}footer{padding:35px 5%;background:#163451;color:white;margin-top:60px}footer a{color:white;margin-left:18px}.skip{position:absolute;left:-10000px}.skip:focus{left:10px;top:10px;background:white;padding:10px;z-index:10}:focus-visible{outline:3px solid #c97919;outline-offset:4px}table{width:100%;border-collapse:collapse}td,th{text-align:left;border-bottom:1px solid #ccd8e2;padding:10px}.table-scroll{overflow:auto}.admin-nav{display:flex;gap:15px;flex-wrap:wrap;margin:25px 0}.long{white-space:pre-wrap}.narrow{max-width:700px;margin:auto;padding:45px 0}details{margin:18px 0}summary{cursor:pointer;font-weight:650}@media(max-width:780px){.grid{grid-template-columns:1fr}main{padding:0 20px}.hero,section{padding:40px 0}nav{gap:12px;font-size:13px}.actions a{width:100%;text-align:center}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* IV SEMAT — identidade extraída da logomarca oficial */
:root{--green:#02552d;--blue:#006ef2;--blue-action:#0057c2;--red:#c50a19;--paper:#fff;--canvas:#f5f8f5;--ink:#17382a;--muted:#4c6458;--line:#d3dfd6}
body{background:var(--canvas);color:var(--ink);font-family:Inter,"Segoe UI",system-ui,sans-serif;line-height:1.7}a{color:var(--blue-action)}a:hover{color:var(--green)}header{border-top:4px solid var(--green);border-bottom-color:var(--line);padding:24px 5%}.brand,h1,h2,h3{color:var(--green)}nav a{padding:5px 0;min-height:36px}nav a:hover{text-decoration-thickness:2px}main{max-width:1200px}section{padding:76px 0;border-bottom-color:var(--line)}.hero{position:relative;isolation:isolate;padding-top:44px}.hero::after{content:"";position:absolute;z-index:-1;right:0;top:90px;width:clamp(90px,18vw,220px);aspect-ratio:1;border:1px solid #02552d20;border-radius:50%;box-shadow:24px 24px 0 -1px var(--canvas),24px 24px 0 0 #006ef218;pointer-events:none}.hero-logo{display:block;width:min(100%,480px);height:auto;max-width:480px;max-height:none;background:white;border-radius:10px;margin-bottom:24px}.eyebrow{color:var(--green)}h1{font-size:clamp(35px,5.1vw,64px);max-width:970px}h2{font-weight:750}h3{letter-spacing:-.02em}.theme{max-width:960px;font-size:clamp(22px,2.6vw,31px);color:#234d36}.tag{background:#e2eee5;color:var(--green)}.tag:nth-child(2){background:var(--green);color:white}.tag:last-child::before{content:"";display:inline-block;width:7px;height:7px;background:var(--red);margin-right:8px;border-radius:50%}.button,button{background:var(--blue-action);color:white;min-height:48px}.button:hover,button:hover{background:#004390;color:white}.secondary{background:white;color:var(--blue-action);border:1px solid var(--blue-action)}.secondary:hover{background:#edf4ff;color:#004390}.card{border-color:var(--line);border-radius:16px;padding:30px;box-shadow:0 7px 24px #02552d05}.muted{color:var(--muted)}.notice{background:#eaf2ed;border-color:var(--green)}.error{background:#fff0ee;border-color:var(--red)}input,textarea,select{color:var(--ink);border-color:#728778}footer{background:var(--green)}footer a:hover{color:#fff;text-decoration-thickness:2px}.guest-card{display:flex;flex-direction:column;align-items:flex-start}.guest-photo{width:128px;height:128px;max-width:100%;object-fit:contain;border-radius:12px;outline:1px solid var(--line);background:#fff}.guest-card h3{font-size:24px;margin:24px 0 8px;overflow-wrap:anywhere}.guest-institution{font-weight:600;color:var(--green);margin:0 0 12px}.guest-participation{color:var(--muted);margin:0 0 26px}.lattes{margin-top:auto}.campus-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.campus-photo{margin:0;background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden}.campus-featured{margin:32px 0}.photo-zoom{display:block;position:relative}.campus-photo img{display:block;width:100%;height:auto;object-fit:contain}.zoom-label{position:absolute;bottom:14px;right:14px;background:#fff;color:var(--blue-action);padding:6px 12px;border-radius:6px;font-size:14px;font-weight:650}figcaption{padding:18px 22px;font-weight:600;line-height:1.5}#photo-dialog{width:min(1100px,94vw);max-height:92vh;border:1px solid var(--line);border-radius:16px;padding:20px;color:var(--ink);background:white}#photo-dialog::backdrop{background:#082617db}#photo-dialog figure{margin:16px 0 0}#photo-expanded{display:block;width:100%;max-height:67vh;object-fit:contain}#photo-dialog figcaption{padding:14px 0}#photo-dialog p{margin:0}.dialog-close{display:block;margin:0 0 0 auto}.modal-open{overflow:hidden}:focus-visible{outline:3px solid var(--blue-action);outline-offset:4px;box-shadow:0 0 0 7px white}.photo-zoom:focus-visible{outline-offset:-5px;box-shadow:inset 0 0 0 8px white}.skip:focus{position:fixed;left:16px;top:16px;color:var(--green)}@media(max-width:1000px){.guests-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:780px){section{padding:48px 0}.hero{padding-top:32px}.hero-logo{width:min(100%,390px)}.campus-grid,.guests-grid{grid-template-columns:1fr}.campus-grid{gap:20px}.card{padding:24px}.guest-photo{width:128px;height:128px}.hero::after{display:none}.zoom-label{bottom:10px;right:10px}#photo-dialog{padding:14px}footer a{display:inline-block;margin:12px 16px 0 0}}@media(forced-colors:active){.button,button,.tag{border:1px solid ButtonText}:focus-visible{outline:3px solid Highlight}.hero::after{display:none}}

/* Programação: navegação progressiva e detalhes nativos. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.program-tabs{display:flex;gap:12px;margin:30px 0 32px;flex-wrap:wrap}.program-tabs a{flex:1;min-width:140px;border:1px solid var(--line);border-radius:10px;background:white;padding:16px 20px;text-decoration:none;color:var(--green);display:flex;flex-direction:column}.program-tabs a strong{font-size:23px}.program-tabs a span{font-size:14px}.program-tabs [aria-selected=true]{background:var(--green);color:white;border-color:var(--green)}[hidden]{display:none!important}.day-heading{font-size:23px;margin:30px 0}.program-list{list-style:none;padding:0;margin:0;display:grid;gap:24px}.program-item{display:grid;grid-template-columns:130px minmax(0,1fr);gap:24px;background:white;border:1px solid var(--line);border-radius:14px;padding:28px}.program-time{font-weight:750;color:var(--green);font-size:23px;line-height:1.5}.program-time span{display:block;font-size:16px;font-weight:500}.program-content{min-width:0}.program-content h4{font-size:clamp(22px,2.4vw,28px);line-height:1.3;color:var(--green);margin:8px 0 20px;letter-spacing:-.02em}.program-content .eyebrow{margin:0}.program-speaker{margin-bottom:10px}.platform{font-size:14px;font-weight:650;color:var(--blue-action)}.program-details{border-top:1px solid var(--line);padding-top:16px;margin:20px 0}.program-details summary{padding:8px 0;min-height:44px;color:var(--blue-action)}.program-details p{line-height:1.8}.program-break{background:#eaf2ed}.program-break h4{margin:3px 0;font-size:20px}.new-tab-note{font-size:13px}.session-fields{margin:24px 0}.private-session{margin-bottom:18px}.private-session h3{font-size:21px}@media(max-width:640px){.program-item{grid-template-columns:1fr;gap:12px;padding:22px}.program-time{font-size:22px}.program-time span{display:inline;margin-left:8px}.program-tabs{gap:8px}.program-tabs a{padding:12px 10px;min-width:90px}.program-tabs a strong{font-size:20px}.program-tabs a span{font-size:12px}.day-heading{font-size:21px}}

.registration-options{grid-template-columns:repeat(2,minmax(0,1fr));margin:24px 0}.registration-options .card{min-width:0}.notice strong{overflow-wrap:anywhere}@media(max-width:780px){.registration-options{grid-template-columns:1fr}}

/* Revisão 1.5.1: endereços longos não ampliam a página em telas de 320px. */
.contact-links{padding-left:20px}.contact-links a{overflow-wrap:anywhere;word-break:normal}footer .contact-links a{margin-left:0}input,textarea,select{min-width:0;max-width:100%}

/* 1.5.2 — navegação interativa, progressiva e acessível. */
:root{--header-offset:155px}html{scroll-padding-top:var(--header-offset)}
.site-header{position:sticky;top:0;z-index:30;padding:16px max(24px,calc((100vw - 1180px)/2));background:#fffffff5;backdrop-filter:blur(16px);transition:box-shadow .25s ease;border-top-width:3px}
.site-header.has-scrolled{box-shadow:0 6px 22px #02552d14}.header-bar{display:flex;align-items:center;justify-content:space-between;gap:20px}.site-header .brand{font-size:23px;line-height:1.3}.site-header .brand span{font-size:11px;margin-top:4px}
.site-menu{gap:5px;margin-top:14px;justify-content:space-between}.site-menu .menu-link{position:relative;display:flex;align-items:center;gap:7px;min-height:46px;padding:10px 7px;border-radius:8px;color:var(--green);text-decoration:none;font-size:12px;font-weight:650;line-height:1.4;transition:background .2s,color .2s}
.nav-icon{width:20px;height:20px;flex:0 0 20px;transition:transform .22s ease,color .22s ease}
.menu-link::after{content:"";position:absolute;left:8px;right:8px;bottom:3px;height:2px;background:var(--blue-action);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.site-menu .menu-link:hover,.site-menu .menu-link:focus-visible{background:#edf5f0;color:var(--blue-action)}.menu-link:hover .nav-icon,.menu-link:focus-visible .nav-icon{transform:translateY(-3px) rotate(-5deg)}.menu-link:hover::after,.menu-link:focus-visible::after,.menu-link[aria-current]::after{transform:scaleX(1)}.site-menu .menu-link[aria-current]{color:var(--blue-action);background:#edf4ff}
.menu-toggle{display:flex;gap:9px;align-items:center;margin:0;padding:10px 14px;font-size:15px}.menu-toggle svg{width:22px;height:22px;stroke:currentColor;stroke-width:2;fill:none;transition:transform .2s}.menu-open .menu-toggle svg{transform:rotate(90deg)}
.logo-stage{width:min(100%,650px);margin:10px 0 40px;padding:16px 0;filter:drop-shadow(0 15px 12px #02552d20);animation:logo-arrive .8s ease-out both;transition:transform .4s ease,filter .4s ease}.logo-stage:hover{transform:translateY(-5px);filter:drop-shadow(0 20px 16px #02552d25)}
.logo-stage .hero-logo{width:100%;max-width:none;max-height:260px;height:auto;object-fit:contain;background:transparent;border-radius:0;margin:0}
@keyframes logo-arrive{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
#sobre .intro,#sobre .long{font-size:18px;line-height:1.85;font-weight:400;max-width:940px;letter-spacing:normal;margin:22px 0;color:var(--ink)}
.form-feedback{padding:12px 16px;border-left:3px solid var(--blue-action);background:#edf4ff;color:var(--ink)}button:disabled{opacity:.7;cursor:wait}.actions .button{transition:transform .2s ease,background .2s ease,box-shadow .2s ease}.actions .button:hover{transform:translateY(-2px);box-shadow:0 6px 15px #0057c225}
@media(max-width:1100px) and (min-width:901px){.site-menu{justify-content:flex-start}.site-menu .menu-link{font-size:12px}}
@media(max-width:900px){.site-header{padding:14px 20px}.site-header:not(.interactive-header){position:static}.site-menu{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:65dvh;overflow-y:auto;padding:10px 0 4px}.site-menu .menu-link{font-size:14px;padding:12px;min-height:54px}.interactive-header.menu-open .site-menu{animation:menu-appear .2s ease-out}.logo-stage{margin:12px 0 26px;padding:12px 0}#sobre .intro,#sobre .long{font-size:17px;line-height:1.8}.hero{padding-top:30px}}
@media(max-width:380px){.site-menu{grid-template-columns:1fr}.site-header .brand{font-size:20px}.menu-toggle{padding:10px;font-size:14px}}
@keyframes menu-appear{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.site-header,.site-menu .menu-link,.nav-icon,.menu-link::after,.menu-toggle svg,.logo-stage,.actions .button{transition:none;animation:none}.interactive-header.menu-open .site-menu{animation:none}.menu-link:hover .nav-icon,.menu-link:focus-visible .nav-icon,.logo-stage:hover,.actions .button:hover{transform:none}}