/* Instituto de Engenharia de Alto Desempenho — identidade UFRJ + CUP.
   Azul UFRJ (#003366, Pantone 654C) e Montserrat seguem o Manual de Identidade Visual da UFRJ (SGCOM, 2022).
   Os vermelhos CUP (#8C0000 e #710000) são os do site oficial da China University of Petroleum, Beijing (cup.edu.cn). */

@font-face{font-family:Montserrat;font-style:normal;font-weight:300 900;font-display:swap;src:url('assets/fonts/montserrat-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Montserrat;font-style:normal;font-weight:300 900;font-display:swap;src:url('assets/fonts/montserrat-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Montserrat;font-style:italic;font-weight:400 700;font-display:swap;src:url('assets/fonts/montserrat-italic-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Montserrat;font-style:italic;font-weight:400 700;font-display:swap;src:url('assets/fonts/montserrat-italic-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --ufrj:#003366;--ufrj-700:#00264d;--ufrj-900:#001a35;--ufrj-50:#eef3f9;--ufrj-100:#dce6f2;--ufrj-300:#9db3cf;
  --cup:#8c0000;--cup-700:#710000;--cup-50:#fbf0f0;--cup-100:#f3d6d6;--cup-300:#d69999;
  --ink:#13233a;--muted:#55627a;--line:#d9dfea;--line-soft:#e8ecf3;--paper:#fff;--mist:#f3f4fa;
  --font:Montserrat,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --header-h:80px;--aside-w:340px;--radius:12px;--gutter:clamp(20px,4vw,56px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.62 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
:lang(zh) body,body:lang(zh){line-height:1.78}
img{display:block;max-width:100%;height:auto}
svg{flex-shrink:0}
a{color:var(--ufrj);text-underline-offset:3px}
a:hover{color:var(--ufrj-700)}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,h4,p,figure,dl,dd,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
h1,h2,h3,h4{line-height:1.15;text-wrap:balance;font-weight:800;letter-spacing:-.015em}
p{text-wrap:pretty}
:focus-visible{outline:3px solid var(--ufrj);outline-offset:2px;border-radius:4px}
::selection{background:var(--ufrj-100);color:var(--ufrj-900)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;top:-100px;left:16px;z-index:100;padding:10px 16px;background:var(--ufrj);color:#fff;font-weight:700;border-radius:0 0 8px 8px}
.skip:focus{top:0;color:#fff}

/* Barra superior: idiomas identificados por bandeira */
.topbar{background:var(--ufrj);color:#fff;border-bottom:3px solid var(--cup)}
.topbar-inner{max-width:1600px;margin:0 auto;padding:6px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px}
.topbar-text{font-size:.78rem;font-weight:500;letter-spacing:.02em;opacity:.92}
.lang{display:flex;gap:4px}
.lang-btn{display:inline-flex;align-items:center;gap:7px;min-height:32px;padding:4px 10px;border:1px solid transparent;border-radius:6px;background:transparent;color:#fff;font-size:.78rem;font-weight:600;letter-spacing:.03em}
.lang-btn:hover{background:rgba(255,255,255,.12)}
.lang-btn[aria-pressed="true"]{background:#fff;color:var(--ufrj)}
.lang-btn:focus-visible{outline-color:#fff}
.flag{width:21px;height:14px;border-radius:2px;box-shadow:0 0 0 1px rgba(255,255,255,.35)}
.lang-btn[aria-pressed="true"] .flag{box-shadow:0 0 0 1px rgba(0,51,102,.25)}

/* Cabeçalho com assinatura UFRJ + CUP */
.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.4) blur(6px)}
.header-inner{max-width:1600px;margin:0 auto;padding:0 var(--gutter);height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:22px;text-decoration:none;color:var(--ufrj);min-width:0}
.brand:hover{color:var(--ufrj)}
.brand-logos{display:flex;align-items:center;gap:16px;padding:4px 0}
.logo-ufrj{height:46px;width:auto}
.logo-cup{height:40px;width:auto}
.brand-divider{width:1px;height:40px;background:var(--line)}
.brand-name{font-size:1.08rem;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--ufrj);border-left:4px solid var(--cup);padding-left:16px;max-width:340px}
:lang(zh) .brand-name{font-size:1.12rem;letter-spacing:0}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:9px 12px;border-radius:8px;font-size:.88rem;font-weight:600;color:var(--ink);text-decoration:none;white-space:nowrap}
.nav a:hover{background:var(--ufrj-50);color:var(--ufrj)}
.nav a.nav-cta{background:var(--ufrj);color:#fff;margin-left:6px}
.nav a.nav-cta:hover{background:var(--ufrj-700);color:#fff}
.menu-toggle{display:none;align-items:center;gap:10px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 14px;font-size:.88rem;font-weight:600;color:var(--ufrj)}

/* Layout: conteúdo + aba lateral permanente */
.layout{max-width:1600px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) var(--aside-w);align-items:start}
.main{min-width:0;padding:0 var(--gutter) 24px}
.main:focus{outline:none}
.section{padding-block:72px;border-top:1px solid var(--line)}
.section-head{max-width:820px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.65rem,1.1rem + 1.5vw,2.45rem);color:var(--ufrj);margin-top:10px}
.section-intro{margin-top:14px;color:var(--muted);max-width:68ch}
.eyebrow{display:flex;align-items:center;gap:10px;color:var(--cup);font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor;flex-shrink:0}
:lang(zh) .eyebrow{letter-spacing:.1em}
.mini-title{font-size:.95rem;color:var(--ufrj);text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
:lang(zh) .mini-title{letter-spacing:.06em}
.note{margin-top:28px;font-size:.84rem;color:var(--muted);max-width:80ch}
.lead-sm{font-size:1.14rem;margin-bottom:14px}
.inst-name{font-weight:800;font-size:1.18em;color:var(--ufrj);box-shadow:inset 0 -.45em 0 var(--cup-50)}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:11px 22px;border-radius:8px;border:1.5px solid transparent;font-size:.92rem;font-weight:700;text-decoration:none;transition:background .2s,color .2s,border-color .2s}
.btn-primary{background:var(--ufrj);color:#fff}
.btn-primary:hover{background:var(--ufrj-700);color:#fff}
.btn-outline{border-color:var(--ufrj);color:var(--ufrj);background:#fff}
.btn-outline:hover{background:var(--ufrj-50);color:var(--ufrj)}
.btn-cup{background:var(--cup);color:#fff}
.btn-cup:hover{background:var(--cup-700);color:#fff}
.btn-cup:focus-visible{outline-color:var(--cup)}
.btn[aria-disabled="true"]{background:#e7eaf0;color:#6b7588;border-color:#e7eaf0;cursor:not-allowed}
.ext{font-size:1.05em;line-height:1}

/* Abertura */
.hero{padding:52px 0 64px}
.hero-copy{max-width:900px}
.hero .eyebrow-institute{font-size:clamp(1.05rem,.9rem + .7vw,1.45rem);letter-spacing:.06em;color:var(--ufrj);font-weight:800}
.hero .eyebrow-institute::before{width:40px;height:4px;background:var(--cup)}
:lang(zh) .hero .eyebrow-institute{letter-spacing:.04em}
.hero h1{font-size:clamp(2rem,1.2rem + 2.5vw,3.3rem);line-height:1.08;color:var(--ufrj);margin:14px 0 20px;letter-spacing:-.025em}
.lead{font-size:clamp(1.02rem,.95rem + .3vw,1.16rem);max-width:66ch;color:#25344c}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:36px}
.facts li{border-top:3px solid var(--ufrj);padding-top:14px}
.facts li:nth-child(2){border-color:var(--cup)}
.facts li:nth-child(3){border-image:linear-gradient(90deg,var(--ufrj) 50%,var(--cup) 50%) 1}
.facts li:nth-child(4){border-color:var(--ink)}
.facts strong{display:block;font-size:clamp(1.6rem,1.2rem + 1vw,2.2rem);font-weight:800;color:var(--ufrj);line-height:1.1;letter-spacing:-.02em}
.facts li:nth-child(2) strong{color:var(--cup)}
.facts span{display:block;margin-top:6px;font-size:.86rem;color:var(--muted);line-height:1.45}

/* Paisagens Rio de Janeiro ↔ Pequim */
.landscape{position:relative;margin-top:40px;border-radius:var(--radius);overflow:hidden;background:var(--ufrj-900);isolation:isolate;display:flex;flex-direction:column}
.landscape-stage{position:relative;aspect-ratio:16/7;min-height:260px;overflow:hidden}
.landscape-stage>img,.landscape-canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;max-width:none}
.landscape-china{opacity:0}
.landscape-canvas{opacity:0;pointer-events:none}
.landscape.has-webgl .landscape-canvas{opacity:1}
.landscape-toolbar{position:absolute;z-index:2;top:16px;left:16px;right:16px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.scene-options{display:flex;align-items:center;padding:3px;background:rgba(0,26,53,.86);color:#fff;border-radius:30px}
.scene-options>span{padding-inline:4px;display:flex;align-items:center}
.scene-option{background:transparent;border:1px solid transparent;border-radius:24px;color:#fff;font-size:.8rem;font-weight:600;min-height:40px;padding:8px 14px;line-height:1.2;white-space:nowrap}
.scene-option[aria-pressed="true"]{border-color:#fff;background:rgba(255,255,255,.12)}
.scene-option:hover{background:rgba(255,255,255,.2)}
.scene-option:disabled{cursor:wait;opacity:.65}
.landscape-pause{border:0;border-radius:24px;background:rgba(0,26,53,.86);color:#fff;display:flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;min-height:40px;padding:8px 15px}
.landscape-pause:hover{background:var(--ufrj)}
.landscape-toolbar button:focus-visible{outline:2px solid #fff;outline-offset:3px}
.landscape figcaption{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px 16px;padding:10px 18px;background:var(--ufrj);color:#fff;font-size:.8rem;border-top:3px solid var(--cup)}
.landscape-current{font-weight:700}
.landscape-credit{color:var(--ufrj-100)}

/* O Instituto */
.inst-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:start}
.inst-text>p:not(.lead-sm){color:#33425a;margin-bottom:28px}
.objectives{counter-reset:obj;display:grid;gap:12px}
.objectives li{counter-increment:obj;display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;font-size:.95rem}
.objectives li::before{content:counter(obj,decimal-leading-zero);font-weight:800;color:var(--ufrj);font-size:.86rem;padding-top:2px;border-top:2px solid var(--cup)}
.governance{display:grid;gap:14px}
.gov-card{padding:18px 20px;border-radius:var(--radius);background:var(--mist);border-left:4px solid var(--ufrj)}
.gov-card h4{font-size:1rem;color:var(--ufrj);margin-bottom:6px}
.gov-card p{font-size:.9rem;color:#33425a}
.gov-cup{border-left-color:var(--cup)}
.gov-cup h4{color:var(--cup)}
.gov-ind{border-left-color:var(--ink)}
.gov-ind h4{color:var(--ink)}
.milestones-wrap{margin-top:56px}
.milestones{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:28px 0}
.milestones li{position:relative;padding:22px 18px 0 0;border-top:2px solid var(--line)}
.milestones li::before{content:"";position:absolute;top:-8px;left:0;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--ufrj)}
.milestones li.ms-cup::before{border-color:var(--cup)}
.milestones li.ms-both::before{border-color:var(--ufrj);background:var(--cup)}
.ms-date{display:block;font-size:.8rem;font-weight:800;color:var(--ufrj);text-transform:uppercase;letter-spacing:.06em}
.ms-text{display:block;margin-top:6px;font-size:.9rem;color:#33425a;line-height:1.5}
.ms-text a{font-weight:600}
.institutions{margin-top:56px}
.inst-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.inst-card{border:1px solid var(--line);border-top:5px solid var(--ufrj);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:14px;background:#fff}
.inst-card.cup{border-top-color:var(--cup)}
.inst-card-logo{height:52px;width:auto;align-self:flex-start}
.inst-card.cup .inst-card-logo{height:44px}
.inst-card h4{font-size:1.1rem;color:var(--ufrj)}
.inst-card.cup h4{color:var(--cup)}
.inst-card>p{font-size:.92rem;color:#33425a}
.inst-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px}
.inst-facts li{font-size:.84rem;color:var(--muted);line-height:1.4}
.inst-facts strong{display:block;font-size:1.25rem;color:var(--ink);font-weight:800}
.inst-card .src{font-size:.75rem;color:var(--muted)}
.inst-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.inst-units{display:flex;flex-direction:column;gap:8px;padding-top:12px;border-top:1px dashed var(--line)}
.inst-units .inst-links{margin-top:0}
.inst-units-label{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.inst-links a{font-size:.84rem;font-weight:600;padding:7px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none}
.inst-links a:hover{border-color:currentColor;background:var(--ufrj-50)}
.inst-card.cup .inst-links a{color:var(--cup)}
.inst-card.cup .inst-links a:hover{background:var(--cup-50)}

/* Dupla titulação */
.segmented{display:inline-flex;padding:4px;border-radius:10px;background:var(--mist);border:1px solid var(--line);margin-bottom:28px}
.seg-btn{border:0;background:transparent;padding:10px 22px;border-radius:7px;font-weight:700;font-size:.92rem;color:var(--muted);min-height:44px}
.seg-btn[aria-pressed="true"]{background:var(--ufrj);color:#fff;box-shadow:0 1px 3px rgba(0,30,60,.2)}
.seg-btn:hover:not([aria-pressed="true"]){color:var(--ufrj)}
.routes{display:grid;gap:26px}
.route-title{display:flex;align-items:center;gap:10px;font-size:1rem;color:var(--ink);margin-bottom:12px}
.route-title .dot{width:12px;height:12px;border-radius:50%;background:var(--ufrj)}
.route-title .dot.cup{background:var(--cup)}
.route-steps{display:flex;gap:6px}
.step{flex:1 1 0;min-width:0;padding:14px 14px 16px;border-radius:10px;background:var(--ufrj-50);border-top:4px solid var(--ufrj)}
.step.cn{background:var(--cup-50);border-top-color:var(--cup)}
.step.defense{flex:.75 1 0;background:#fff;border:1.5px dashed var(--ufrj-300);border-top:4px solid var(--ufrj)}
.step.defense.cn{border-color:var(--cup-300);border-top-color:var(--cup)}
.step-when{display:block;font-size:.76rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--ufrj)}
.step.cn .step-when{color:var(--cup)}
.step-where{display:flex;align-items:center;gap:6px;font-size:.88rem;font-weight:700;margin:4px 0 6px}
.step-where .flag{width:18px;height:12px;box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.step-what{display:block;font-size:.84rem;color:#33425a;line-height:1.45}
.legend{display:flex;flex-wrap:wrap;gap:16px;font-size:.8rem;color:var(--muted);margin-top:-6px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:14px;height:10px;border-radius:2px;background:var(--ufrj)}
.legend i.cn{background:var(--cup)}
.rules-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:40px;margin-top:44px}
.rules{display:grid;grid-template-columns:minmax(120px,auto) 1fr;border-top:1px solid var(--line)}
.rules dt,.rules dd{padding:12px 0;border-bottom:1px solid var(--line);font-size:.9rem}
.rules dt{font-weight:700;color:var(--ufrj);padding-right:18px}
.rules dd{color:#33425a}
.rules-common{display:grid;gap:10px}
.rules-common li{display:grid;grid-template-columns:22px 1fr;gap:10px;font-size:.9rem;color:#33425a}
.rules-common li::before{content:"";width:16px;height:16px;margin-top:3px;border-radius:50%;background:var(--ufrj-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2 7 11l5-6' fill='none' stroke='%23003366' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;box-shadow:inset 0 0 0 1px var(--ufrj-100)}

/* Programas */
.inst-switch{display:grid;grid-template-columns:repeat(2,minmax(0,260px));gap:10px;margin-bottom:30px}
.inst-btn{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:14px 18px;border-radius:10px;border:1.5px solid var(--line);background:#fff;text-align:left;min-height:56px}
.inst-btn-name{font-size:1.2rem;font-weight:800;letter-spacing:.02em}
.inst-btn-count{font-size:.8rem;color:var(--muted);font-weight:600}
.inst-btn[data-prog-inst="ufrj"]{color:var(--ufrj)}
.inst-btn[data-prog-inst="cup"]{color:var(--cup)}
.inst-btn:hover{border-color:currentColor}
.inst-btn[aria-pressed="true"][data-prog-inst="ufrj"]{background:var(--ufrj);border-color:var(--ufrj);color:#fff}
.inst-btn[aria-pressed="true"][data-prog-inst="cup"]{background:var(--cup);border-color:var(--cup);color:#fff}
.inst-btn[aria-pressed="true"] .inst-btn-count{color:rgba(255,255,255,.85)}
.inst-btn[data-prog-inst="cup"]:focus-visible{outline-color:var(--cup)}
.program-groups{display:grid;gap:34px}
.group-title{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 12px;font-size:1.02rem;color:var(--ink);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.group-title small{font-size:.8rem;font-weight:600;color:var(--muted);letter-spacing:0}
.program-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));gap:12px}
.program{position:relative;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto auto;column-gap:10px;align-items:start;width:100%;text-align:left;padding:14px 16px 15px 18px;border:1px solid var(--line);border-left:4px solid var(--ufrj);border-radius:10px;background:#fff;transition:background .15s,border-color .15s,transform .15s}
.program:hover{background:var(--ufrj-50);border-color:var(--ufrj-300);border-left-color:var(--ufrj)}
.program.cup{border-left-color:var(--cup)}
.program.cup:hover{background:var(--cup-50);border-color:var(--cup-300);border-left-color:var(--cup)}
.program.cup:focus-visible{outline-color:var(--cup)}
.program-code{grid-column:1;font-size:.74rem;font-weight:800;letter-spacing:.08em;color:var(--ufrj)}
.program.cup .program-code{color:var(--cup)}
.program-name{grid-column:1;font-size:.98rem;font-weight:700;line-height:1.3;margin-top:3px;color:var(--ink)}
.program-meta{grid-column:1;font-size:.78rem;color:var(--muted);margin-top:5px}
.program-arrow{grid-column:2;grid-row:1/4;align-self:center;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--mist);color:var(--ufrj);transition:transform .2s}
.program.cup .program-arrow{color:var(--cup)}
.program:hover .program-arrow{transform:translateX(3px)}

/* Notícias */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:box-shadow .2s,transform .2s}
.news-card:hover{box-shadow:0 10px 28px rgba(0,30,60,.1);transform:translateY(-2px)}
.news-card:focus-within{box-shadow:0 0 0 3px var(--ufrj)}
.news-img{aspect-ratio:3/2;overflow:hidden;background:var(--mist)}
.news-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-img img{transform:scale(1.03)}
.news-img.portrait img{object-position:50% 12%}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.76rem;color:var(--muted);font-weight:600}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.7rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;background:var(--ufrj-50);color:var(--ufrj)}
.tag.cup{background:var(--cup-50);color:var(--cup)}
.tag.both{background:linear-gradient(90deg,var(--ufrj-50),var(--cup-50));color:var(--ink)}
.news-title{font-size:1.06rem;line-height:1.3;color:var(--ink)}
.news-title button{all:unset;cursor:pointer}
.news-title button::after{content:"";position:absolute;inset:0}
.news-title button:focus-visible{outline:none}
.news-summary{font-size:.88rem;color:#3c4a60;line-height:1.55}
.news-more{margin-top:auto;padding-top:6px;font-size:.82rem;font-weight:700;color:var(--ufrj)}
.news-card.featured{grid-column:1/-1;flex-direction:row}
.news-card.featured .news-img{flex:1.25 1 0;aspect-ratio:auto;min-height:340px}
.news-card.featured .news-body{flex:1 1 0;padding:30px 32px;justify-content:center}
.news-card.featured .news-title{font-size:clamp(1.25rem,1rem + .8vw,1.6rem);color:var(--ufrj)}
.news-card.featured .news-summary{font-size:.95rem}
.photo-count{position:absolute;top:12px;left:12px;z-index:1;display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:999px;background:rgba(0,26,53,.82);color:#fff;font-size:.72rem;font-weight:700}
.press{margin-top:48px}
.press-list{border-top:1px solid var(--line)}
.press-list li{border-bottom:1px solid var(--line)}
.press-list a{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:baseline;padding:14px 4px;text-decoration:none;color:var(--ink)}
.press-list a:hover{background:var(--mist)}
.press-date{font-size:.8rem;font-weight:700;color:var(--muted)}
.press-title{font-weight:600;font-size:.94rem}
.press-title small{display:block;font-weight:500;color:var(--muted);font-size:.78rem;margin-top:2px}
.press-arrow{color:var(--ufrj);font-size:1.1rem}

/* Cadastro */
.reg-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.reg-card{display:flex;flex-direction:column;gap:12px;padding:28px;border-radius:var(--radius);border:1px solid var(--line);border-top:5px solid var(--ufrj);background:#fff}
.reg-card-cup{border-top-color:var(--cup)}
.reg-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--ufrj-50);color:var(--ufrj)}
.reg-icon svg{width:30px;height:30px}
.reg-card-cup .reg-icon{background:var(--cup-50);color:var(--cup)}
.reg-card h3{font-size:1.35rem;color:var(--ufrj)}
.reg-card-cup h3{color:var(--cup)}
.reg-card>p{color:#33425a;font-size:.95rem}
.checklist{display:grid;gap:8px;margin:4px 0 10px}
.checklist li{display:grid;grid-template-columns:20px 1fr;gap:8px;font-size:.9rem}
.checklist li::before{content:"";width:8px;height:8px;margin-top:8px;border-radius:2px;background:var(--ufrj);transform:rotate(45deg)}
.reg-card-cup .checklist li::before{background:var(--cup)}
.reg-card .btn{margin-top:auto;align-self:flex-start}
.privacy{display:grid;grid-template-columns:28px 1fr;gap:12px;margin-top:22px;padding:18px 20px;border-radius:var(--radius);background:var(--mist);color:var(--ufrj);font-size:.86rem}
.privacy p{color:#33425a}
.form-status{margin-top:14px;padding:12px 16px;border-radius:10px;background:#fff8e6;border:1px solid #f1d58a;color:#5b4300;font-size:.86rem}

/* Links oficiais */
.link-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.link-list a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink);background:#fff;height:100%}
.link-list a:hover{border-color:var(--ufrj-300);background:var(--ufrj-50)}
.link-list a.cup:hover{border-color:var(--cup-300);background:var(--cup-50)}
.link-name{font-weight:700;font-size:.94rem}
.link-name small{display:block;font-weight:500;font-size:.78rem;color:var(--muted);margin-top:2px;word-break:break-all}
.link-arrow{color:var(--ufrj);font-size:1.1rem}
.link-list a.cup .link-arrow{color:var(--cup)}

/* Aba lateral permanente: temas de pesquisa */
.themes{position:sticky;top:var(--header-h);height:calc(100vh - var(--header-h));height:calc(100dvh - var(--header-h));overflow-y:auto;overscroll-behavior:contain;background:var(--mist);border-left:1px solid var(--line);scrollbar-width:thin}
.themes-inner{padding:28px 24px 32px;display:flex;flex-direction:column;min-height:100%}
.themes-head-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.themes-head h2{font-size:1.32rem;color:var(--ufrj);margin:10px 0 6px}
.themes-sub{font-size:.84rem;color:var(--muted);margin-bottom:14px}
.themes-close{display:none;border:0;background:#fff;border-radius:50%;width:40px;height:40px;place-items:center;color:var(--ufrj)}
.inst-toggle{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:4px;background:#fff;border:1px solid var(--line);border-radius:10px}
.toggle-btn{border:0;border-radius:7px;background:transparent;min-height:42px;font-weight:800;font-size:.95rem;letter-spacing:.04em}
.toggle-btn[data-theme-inst="ufrj"]{color:var(--ufrj)}
.toggle-btn[data-theme-inst="cup"]{color:var(--cup)}
.toggle-btn:hover{background:var(--mist)}
.toggle-btn[aria-pressed="true"][data-theme-inst="ufrj"]{background:var(--ufrj);color:#fff}
.toggle-btn[aria-pressed="true"][data-theme-inst="cup"]{background:var(--cup);color:#fff}
.toggle-btn[data-theme-inst="cup"]:focus-visible{outline-color:var(--cup)}
.themes-inst-name{margin:16px 0 8px;font-size:.78rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.theme-list{display:grid;gap:8px}
.theme{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.theme-btn{display:grid;grid-template-columns:26px 1fr 18px;gap:8px;align-items:start;width:100%;padding:12px 12px 12px 12px;border:0;background:transparent;text-align:left;font-size:.88rem;font-weight:700;line-height:1.35;color:var(--ink)}
.theme-btn:hover{background:var(--ufrj-50)}
.themes[data-inst="cup"] .theme-btn:hover{background:var(--cup-50)}
.theme-num{font-size:.72rem;font-weight:800;color:var(--ufrj);padding-top:2px}
.themes[data-inst="cup"] .theme-num{color:var(--cup)}
.theme-icon{position:relative;width:14px;height:14px;margin-top:3px}
.theme-icon::before,.theme-icon::after{content:"";position:absolute;left:0;top:6px;width:14px;height:2px;background:var(--muted);transition:transform .2s}
.theme-icon::after{transform:rotate(90deg)}
.theme-btn[aria-expanded="true"] .theme-icon::after{transform:rotate(0)}
.theme-body{padding:0 14px 14px 46px;font-size:.84rem;color:#3c4a60}
.theme-body p{margin-bottom:10px;line-height:1.5}
.badge-shared{display:inline-block;margin-left:6px;padding:1px 7px;border-radius:999px;font-size:.66rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#fff;background:linear-gradient(90deg,var(--ufrj) 50%,var(--cup) 50%);vertical-align:2px}
.theme-btn .badge-shared{margin-left:4px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--ufrj-100);background:var(--ufrj-50);color:var(--ufrj);border-radius:999px;padding:3px 10px;font-size:.74rem;font-weight:800;letter-spacing:.04em;min-height:28px}
.chip:hover{background:var(--ufrj);color:#fff;border-color:var(--ufrj)}
.chip.cup{border-color:var(--cup-100);background:var(--cup-50);color:var(--cup)}
.chip.cup:hover{background:var(--cup);color:#fff;border-color:var(--cup)}
.chip.cup:focus-visible{outline-color:var(--cup)}
.chips-label{display:block;font-size:.72rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.themes-foot{margin-top:auto;padding-top:22px;display:grid;gap:12px;font-size:.78rem;color:var(--muted)}
.themes-foot .badge-shared{margin:0 4px 0 0}
.themes-cta{display:block;padding:12px 14px;border-radius:10px;background:var(--ufrj);color:#fff;font-weight:700;font-size:.84rem;text-decoration:none}
.themes-cta:hover{background:var(--ufrj-700);color:#fff}
.themes-tab{display:none}
.themes-backdrop{position:fixed;inset:0;z-index:68;background:rgba(0,20,40,.45)}
.themes-backdrop[hidden]{display:none}

/* Rodapé */
.footer{background:var(--ufrj);color:#fff;border-top:4px solid var(--cup)}
.footer-inner{max-width:1600px;margin:0 auto;padding:48px var(--gutter) 34px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.6fr);gap:48px}
.footer-logos{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.footer-logos img:first-child{height:50px;width:auto}
.footer-logos img:last-child{height:44px;width:auto}
.footer-name{display:grid;gap:4px;margin-top:22px;font-size:.84rem;color:var(--ufrj-100)}
.footer-name span:first-child{font-size:1rem;font-weight:700;color:#fff}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;font-size:.84rem;color:var(--ufrj-100)}
.footer-title{font-size:.82rem;color:#fff;text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px}
.footer-nav{display:grid;gap:6px}
.footer a{color:#fff;text-decoration:none}
.footer a:hover{color:#fff;text-decoration:underline}
.footer :focus-visible{outline-color:#fff}
.footer-bottom{max-width:1600px;margin:0 auto;padding:18px var(--gutter) 26px;border-top:1px solid rgba(255,255,255,.18);display:flex;justify-content:space-between;gap:12px 32px;flex-wrap:wrap;font-size:.76rem;color:var(--ufrj-300)}
.footer-bottom p{max-width:80ch}

/* Janela de detalhes (programas e notícias) */
.modal{border:0;padding:0;width:min(780px,calc(100vw - 32px));max-height:calc(100dvh - 48px);border-radius:16px;box-shadow:0 30px 80px rgba(0,20,40,.35);color:var(--ink);overflow:hidden}
.modal::backdrop{background:rgba(0,20,40,.58)}
.modal[open]{animation:modal-in .22s ease-out}
@keyframes modal-in{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}
.modal-box{position:relative;max-height:calc(100dvh - 48px);overflow-y:auto;overscroll-behavior:contain}
.modal-bar{position:sticky;top:0;height:0;z-index:3}
.modal-close{position:absolute;top:12px;right:12px;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ufrj);box-shadow:0 2px 8px rgba(0,20,40,.15)}
.modal-close:hover{background:var(--mist)}
.modal-content{padding:30px 34px 34px}
.modal-head{border-left:5px solid var(--ufrj);padding-left:18px;margin-bottom:22px}
.modal-head.cup{border-left-color:var(--cup)}
.modal-code{display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.08em;color:var(--ufrj);text-transform:uppercase}
.modal-head.cup .modal-code{color:var(--cup)}
.modal-content h2{font-size:clamp(1.35rem,1.1rem + .9vw,1.85rem);color:var(--ufrj);margin:6px 48px 6px 0}
.modal-head.cup h2{color:var(--cup)}
.modal-names{font-size:.84rem;color:var(--muted)}
.modal-names span+span::before{content:" · "}
.modal-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:0 0 20px;padding:14px 16px;background:var(--mist);border-radius:10px}
.modal-facts dt{font-size:.72rem;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.modal-facts dd{font-size:.9rem;font-weight:600;margin-top:2px}
.modal-content h3{font-size:.86rem;color:var(--ufrj);text-transform:uppercase;letter-spacing:.07em;margin:22px 0 10px}
.modal-content p{margin-bottom:12px;color:#2b3a52}
.areas{display:grid;gap:6px}
.areas li{display:grid;grid-template-columns:16px 1fr;gap:8px;font-size:.92rem}
.areas li::before{content:"";width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--ufrj)}
.modal-head.cup~.areas li::before,.cup-areas li::before{background:var(--cup)}
.modal-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.modal-source{font-size:.76rem;color:var(--muted);margin-top:14px}
.modal-note{padding:12px 16px;border-left:4px solid var(--cup);background:var(--cup-50);border-radius:0 8px 8px 0;font-size:.92rem}
.gallery{margin:-30px -34px 24px}
.gallery-main{background:var(--ufrj-900);display:grid;place-items:center}
.gallery-main img{width:100%;max-height:min(62vh,520px);object-fit:contain}
.gallery-thumbs{display:flex;gap:8px;padding:10px 34px;background:var(--mist);overflow-x:auto}
.gallery-thumbs button{flex:0 0 auto;width:86px;height:58px;padding:0;border:2px solid transparent;border-radius:6px;overflow:hidden;background:none}
.gallery-thumbs button[aria-pressed="true"]{border-color:var(--ufrj)}
.gallery-thumbs img{width:100%;height:100%;object-fit:cover}
.gallery-caption{padding:8px 34px 0;font-size:.76rem;color:var(--muted)}

/* Responsivo */
@media (max-width:1320px){
  :root{--aside-w:300px}
  .brand-name{display:none}
}
@media (max-width:1180px){
  .menu-toggle{display:inline-flex}
  .nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:12px var(--gutter) 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(0,30,60,.1)}
  .nav.open{display:flex}
  .nav a{padding:12px 10px;font-size:.95rem}
  .nav a.nav-cta{margin:6px 0 0;text-align:center}
  .header-inner{position:relative}
  .brand-name{display:block}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .layout{display:block}
  .themes{position:fixed;top:0;right:0;bottom:0;z-index:70;width:min(380px,90vw);height:100vh;height:100dvh;border-left:0;box-shadow:-20px 0 50px rgba(0,20,40,.25);transform:translateX(105%);visibility:hidden;transition:transform .3s ease,visibility 0s linear .3s}
  .themes.open{transform:none;visibility:visible;transition:transform .3s ease}
  .themes-close{display:grid}
  .themes-tab{position:fixed;right:0;top:50%;z-index:65;display:flex;align-items:center;gap:10px;padding:16px 10px;border:0;border-radius:10px 0 0 10px;background:var(--ufrj);color:#fff;font-weight:700;font-size:.8rem;letter-spacing:.04em;writing-mode:vertical-rl;transform:translateY(-50%) rotate(180deg);box-shadow:-6px 0 20px rgba(0,30,60,.25);border-left:3px solid var(--cup)}
  .themes-tab svg{transform:rotate(90deg)}
  :lang(zh) .themes-tab{transform:translateY(-50%);text-orientation:upright;letter-spacing:.2em;border-left:0;border-right:3px solid var(--cup)}
  :lang(zh) .themes-tab svg{transform:none}
  .themes-tab:hover{background:var(--ufrj-700)}
  .themes-tab:focus-visible{outline:3px solid var(--cup);outline-offset:2px}
  .main{padding-right:calc(var(--gutter) + 26px)}
}
@media (max-width:860px){
  .inst-grid,.rules-grid,.inst-cards,.reg-grid,.footer-inner{grid-template-columns:1fr}
  .inst-grid{gap:36px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-card.featured{flex-direction:column}
  .news-card.featured .news-img{aspect-ratio:3/2;min-height:0}
  .news-card.featured .news-body{padding:20px 22px 24px}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  :root{--header-h:68px}
  body{font-size:15px}
  .topbar-text{display:none}
  .topbar-inner{justify-content:flex-end;padding-block:4px}
  .lang{width:100%;justify-content:space-between}
  .lang-btn{flex:1;justify-content:center}
  .logo-ufrj{height:38px}
  .logo-cup{height:30px}
  .brand-logos{gap:10px}
  .brand-divider{height:30px}
  .brand-name{display:none}
  .menu-toggle{padding:9px 11px}
  .menu-toggle span{display:none}
  .section{padding-block:52px}
  .hero{padding:36px 0 48px}
  .facts{gap:16px}
  .landscape-stage{aspect-ratio:4/3}
  .landscape-toolbar{top:10px;left:10px;right:10px}
  .scene-option{padding:7px 10px;font-size:.76rem}
  .landscape-pause{width:40px;justify-content:center;padding:8px}
  .landscape-pause span{display:none}
  .route-steps{flex-direction:column}
  .step.defense{flex:auto}
  .rules{grid-template-columns:1fr}
  .rules dt{border-bottom:0;padding-bottom:0}
  .rules dd{padding-top:4px}
  .inst-switch{grid-template-columns:1fr 1fr}
  .program-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .press-list a{grid-template-columns:1fr auto;gap:4px 12px}
  .press-date{grid-column:1/-1}
  .inst-facts{grid-template-columns:1fr 1fr}
  .footer-cols{grid-template-columns:1fr}
  .modal{width:100vw;max-width:100vw;max-height:100dvh;height:100dvh;border-radius:0;margin:0}
  .modal-box{max-height:100dvh}
  .modal-content{padding:24px 20px 28px}
  .gallery{margin:-24px -20px 20px}
  .gallery-thumbs,.gallery-caption{padding-inline:20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}