/* =========================================================
   MÃE NATUREZA — Design tokens
   ========================================================= */
:root{
  /* Paleta — barro, terra, mata */
  --cream:        #F5EDDC;
  --cream-2:      #FAF5EA;
  --ink:          #2B2313;
  --ink-soft:     #4A4029;

  --terracotta:       #AB261C;
  --terracotta-dark:  #862F1F;
  --terracotta-light: #C24B34;

  --olive:        #88932D;
  --olive-dark:   #333D1B;
  --olive-deep:   #232B10;

  --rust:    #A8531C;
  --mustard: #C98A1A;
  --plum:    #6B3A5C;
  --brown:   #7A4A1F;
  --forest:  #3D4A1F;

  --cream-text: #FBF6EA;

  --font-display: 'Baloo 2', system-ui, sans-serif;
  --font-body: 'Nunito Sans', system-ui, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --container: 1160px;
  --shadow-soft: 0 12px 30px rgba(43,35,19,.18);
}

/* =========================================================
   Reset
   ========================================================= */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
body.lightbox-open{ overflow:hidden; }
a{ color: inherit; text-decoration: none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family: inherit; cursor:pointer; }
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: "Ojuju", cursive;
    font-weight: 700;
}

.container{
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* Acessibilidade */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background: var(--terracotta); color:#fff; padding:12px 20px;
  border-radius: 0 0 8px 0; z-index: 999;
}
.skip-link:focus{ left:0; top:0; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 3px solid var(--mustard);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: var(--terracotta);
  color: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,.15);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 40px; /* ajuste conforme necessário */
  width: auto;
  display: block;
}

.site-nav ul{ display:flex; gap: 28px; align-items:center; }
.nav-link{ font-weight:600; font-size:.95rem; padding:8px 2px; position:relative; }
.nav-link:hover{ opacity:.85; }
.nav-link--cta{
  background:#fff; color: var(--terracotta);
  padding:10px 20px; border-radius: 999px;
}
.nav-link--cta:hover{ background: var(--cream); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; padding:8px;
}
.nav-toggle span{ width:26px; height:3px; background:#fff; border-radius:2px; }

/* =========================================================
   Hero
   ========================================================= */
.container{
  width: 100%;   /* impede o encolhimento quando .container está dentro de um flex/grid */
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.hero{
  position:relative; color:#fff;
  min-height: 700px;
  display:flex; align-items:center;
  overflow:hidden;
}
.hero-media{ position:absolute; inset:0; z-index:0; }

.hero-slider{ position:absolute; inset:0; overflow:hidden; }
.hero-slide{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover; object-position:center;
  opacity:0;
  transition: opacity 2.2s ease-in-out;
  will-change: opacity;
}
.hero-slide.is-active{ opacity:1; }

.hero-overlay{
  position:absolute; inset:0;
  background: #130D06;
  opacity: .45;
}
.hero-content{ position:relative; z-index:1; padding-block: 90px; max-width: 620px;}
.hero h1{ font-size: clamp(2.4rem, 5.4vw, 3.6rem); font-weight:700; }
.hero-lead{ font-size: 1.1rem; max-width: 480px; margin: 18px 0 30px; color: rgba(255,255,255,.92); }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

/* Botões */
.btn{
  display:inline-block; padding: 14px 26px; border-radius: var(--radius-sm);
  font-weight:700; font-family: var(--font-display); font-size:.98rem;
  border:2px solid transparent; transition: transform .15s ease, background .2s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn--primary{ background: var(--terracotta); color:#fff; }
.btn--primary:hover{ background: var(--terracotta-dark); }
.btn--ghost{ border-color: rgba(255,255,255,.7); color:#fff; }
.btn--ghost:hover{ background: rgba(255,255,255,.12); }
.btn--block{ display:block; width:100%; text-align:center; }

/* =========================================================
   Sections gerais
   ===================conectar pessoas====================================== */
.section{ padding-block: 90px; }
#sobre{ padding-bottom: 0; }
.section--cream{ background: var(--cream); }
.eyebrow{
  font-family: var(--font-display); text-transform: uppercase; letter-spacing:.12em;
  font-size:.78rem; color: var(--terracotta); font-weight:700; margin-bottom: 10px;
}
.eyebrow--center{ text-align:center; }
.center-title{ text-align:center; font-size: clamp(1.8rem, 3.6vw, 2.6rem); color: var(--cream-text); }
.center-title--dark{ color: var(--ink); }
.center-title--small{ font-size:1.5rem; margin-bottom: 30px; color: #2b2313; }
.center-sub{ text-align:center; max-width: 640px; margin: 0 auto 40px; color: rgba(255,255,255,.85); }
.center-sub--dark{ color: var(--ink-soft); }

/* =========================================================
   Sobre Nós
   ========================================================= */
.about-grid{
  display:grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items:center;
  padding-bottom: 70px;
}
.about-text h2{ font-size: clamp(1.5rem,3vw,2rem); color: var(--ink); }
.about-text > p{ color: var(--ink-soft); margin-bottom: 22px; }
.callout{
  margin:0; padding: 18px 22px;
  border-left: 4px solid var(--terracotta);
  background: var(--cream-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.callout strong{ display:block; margin-bottom:6px; font-family: var(--font-display); }
.callout p{ margin:0; color: var(--ink-soft); font-size:.95rem; }
 
.photo-placeholder{
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    aspect-ratio: 4 / 5;
    box-shadow: var(--shadow-soft);
}

.photo-placeholder img{
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.photo-placeholder--tall{
    aspect-ratio: 3 / 4; /* levemente mais alta que o padrão */
}

/* Divisor em zigue-zague (padrão têxtil) */
.pattern-divider img{
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}



@media (max-width: 768px){
    .pattern-divider img{
        height: 40px;
    }
}

/* =========================================================
   Eixos de Atuação
   ========================================================= */
.axes-band{
  background: var(--olive);
  margin-top: 40px;
  padding-block: 60px 50px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.axes-title{ text-align:center; color: var(--olive-deep); font-size: clamp(1.8rem,4vw,2.6rem); }
.axes-sub{ text-align:center; max-width: 620px; margin: 0 auto 50px; color: rgba(35,43,16,.8); font-weight:600; }
.axis-card{ color:#fff; }
.axis-card h3{ font-size:1.3rem; margin:0; }
.axis-card p{ font-size:.92rem; color: rgba(255,255,255,.88); margin:0; }

/* =========================================================
   Carrossel — Nossos Eixos de Atuação (rolagem infinita)
   ========================================================= */

/* Palco do carrossel: mais largo que o container padrão do site (dá "respiro" às setas),
   mas com padding fixo em vez de sangria negativa — assim as setas NUNCA vazam da viewport. */
.axes-carousel-wrap{
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px){
  .axes-carousel-wrap{ padding: 0 70px; }
}

.axis-carousel{
  display:flex; gap: 22px; align-items: stretch;
  list-style:none; margin:0; padding: 10px 4px 30px;
  overflow-x:auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  scrollbar-width:none;
}
.axis-carousel::-webkit-scrollbar{ display:none; }
.axis-carousel:focus-visible{ outline: 3px solid #fff; outline-offset: 4px; border-radius: 8px; }

/* display:flex no slide + height:100% no card = todos os cards da carreira ficam
   com a mesma altura (a do maior conteúdo), sem precisar "chutar" um valor fixo em px. */
.axis-slide{ flex: 0 0 78%; scroll-snap-align: start; display:flex; }
@media (min-width: 560px){ .axis-slide{ flex: 0 0 300px; } }
@media (min-width: 860px){ .axis-slide{ flex: 0 0 340px; } }
@media (min-width: 1100px){ .axis-slide{ flex: 0 0 360px; } }

.axis-card{
  display:flex; flex-direction:column; width:100%; height:100%;
  border-radius: var(--radius-md); overflow:hidden;
  box-shadow: 0 10px 26px rgba(35,43,16,.28);
}

/* Imagem de destaque — proporção fixa 360x330 (responsiva: mantém a razão em qualquer largura) */
.axis-card__img{
  width:100%;
  aspect-ratio: 360 / 330;
  background-size: cover; background-position:center;
}
.axis-card__img img{
  width:100%; height:100%; object-fit:cover; display:block;
}

.axis-card__body{
  padding: 22px 22px 28px; display:flex; flex-direction:column; gap: 10px; flex:1;
}
.axis-card__body p{ margin-top:auto; padding-top:6px; }

.axis-card--rust{ background: #6c5f1d;}
.axis-card--mustard{ background: #aa460a; }
.axis-card--plum{ background: #c48303; }
.axis-card--brown{ background: #6c3e54; }
.axis-card--forest{ background: #b8543a; }
.axis-card--anil{ background: #313c1a; }
.axis-card--coral{ background: #446857; }

/* Fallback: se a imagem (svg/foto) não carregar, mostra um gradiente na cor do próprio eixo */
.axis-img-1{ background: repeating-linear-gradient(135deg, rgba(255,255,255,.10) 0 10px, transparent 10px 20px), linear-gradient(135deg, #A8531C, #E3B98A); }
.axis-img-2{ background: repeating-linear-gradient(135deg, rgba(255,255,255,.10) 0 10px, transparent 10px 20px), linear-gradient(135deg, #C98A1A, #F0D18C); }
.axis-img-3{ background: repeating-linear-gradient(135deg, rgba(255,255,255,.10) 0 10px, transparent 10px 20px), linear-gradient(135deg, #6B3A5C, #B98CA8); }
.axis-img-4{ background: repeating-linear-gradient(135deg, rgba(255,255,255,.10) 0 10px, transparent 10px 20px), linear-gradient(135deg, #7A4A1F, #C99A5E); }
.axis-img-5{ background: repeating-linear-gradient(135deg, rgba(255,255,255,.10) 0 10px, transparent 10px 20px), linear-gradient(135deg, #3D4A1F, #93A340); }
.axis-img-6{ background: repeating-linear-gradient(135deg, rgba(255,255,255,.10) 0 10px, transparent 10px 20px), linear-gradient(135deg, #35495E, #7C97A8); }
.axis-img-7{ background: repeating-linear-gradient(135deg, rgba(255,255,255,.10) 0 10px, transparent 10px 20px), linear-gradient(135deg, #B8543A, #E3966F); }

/* Setas de navegação — insets SEMPRE positivos (nunca saem do wrapper, em nenhuma largura de tela) */
.carousel-arrow{
  position:absolute; top: 38%; transform: translateY(-50%);
  width: 46px; height:46px; border-radius:50%;
  background:#fff; color: var(--olive-deep); border:none;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 8px 18px rgba(35,43,16,.3);
  cursor:pointer; z-index:2; transition: background .2s ease, color .2s ease;
}
.carousel-arrow:hover{ background: var(--terracotta); color:#fff; }
.carousel-arrow--prev{ left: 16px; }
.carousel-arrow--next{ right: 16px; }
@media (max-width: 640px){ .carousel-arrow{ display:none; } }

/* Indicadores (dots) */
.carousel-dots{ display:flex; justify-content:center; gap:8px; margin-top: 4px; }
.carousel-dot{
  width:9px; height:9px; border-radius:50%; border:none; padding:0;
  background: rgba(255,255,255,.45); cursor:pointer; transition: all .25s ease;
}
.carousel-dot.is-active{ background:#fff; width:22px; border-radius:5px; }

/* =========================================================
   Metodologia — Movimento em Espiral
   ========================================================= */
.section--spiral{
  position:relative; overflow:hidden;
  background: var(--olive-dark);
  color: var(--cream-text);
}
.spiral-bg{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color: rgba(255,255,255,.06);
  animation: spin 90s linear infinite;
}
.spiral-bg svg{ width: 700px; height:700px; }
@keyframes spin{ to{ transform: rotate(360deg); } }

.spiral-steps{
  position:relative; z-index:1;
  display:flex; flex-wrap:wrap; justify-content:center; gap: 14px;
  margin-top: 20px;
}
.step-pill{
  background:#fff; color: var(--olive-deep); border:none;
  padding: 12px 22px; border-radius: 999px; font-weight:700; font-family: var(--font-display);
  font-size:.92rem; transition: background .2s ease, transform .15s ease;
}
.step-pill:hover{ background: var(--mustard); color:#fff; transform: translateY(-2px); }
.step-pill[aria-pressed="true"]{ background: var(--terracotta); color:#fff; }
.step-detail{
  position:relative; z-index:1; text-align:center; max-width: 560px; margin: 34px auto 0;
  font-size: 1.05rem; min-height: 1.6em; color: var(--cream-text);
}

/* =========================================================
   Projetos / Galeria
   ========================================================= */

/* Filtro de categorias */


.category-filter{
  display:flex; flex-wrap:wrap; justify-content:center; gap:10px;
  margin-bottom: 40px;
}
.category-filter-btn{
  background:#fff; color: var(--ink-soft); border: 1.5px solid #e3d8bd;
  padding: 10px 20px; border-radius: 999px; font-weight:700; font-size:.88rem;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.category-filter-btn:hover{ border-color: var(--terracotta); color: var(--terracotta); }
.category-filter-btn.is-active{ background: var(--terracotta); border-color: var(--terracotta); color:#fff; }

/* Grid de projetos — usa flex-wrap em vez de grid pra não esticar cards
   quando um filtro deixa poucos itens visíveis (ex.: só 1 na Curadoria) */
.project-grid{
  display:flex; flex-wrap:wrap; gap: 24px;
  margin-bottom: 70px;
}
.project-card{
  flex: 1 1 300px; max-width: 380px;
  min-height: 320px;
}

.gallery-item{
  margin:0; position:relative; border-radius: var(--radius-md); overflow:hidden;
  display:flex; align-items:flex-end;
  border:none; padding:0; width:100%; height:100%; text-align:left; font:inherit; color:inherit;
  cursor: zoom-in; transition: transform .2s ease, box-shadow .2s ease;
}
.gallery-item:hover, .gallery-item:focus-visible{
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(43,35,19,.25);
}
.gallery-item:focus-visible{ outline: 3px solid var(--mustard); outline-offset: 3px; }

.project-card__tag{
  position:absolute; top:14px; left:14px; z-index:1;
  background: rgba(0,0,0,.4); color:#fff; font-size:.72rem; font-weight:700;
  text-transform: uppercase; letter-spacing:.04em;
  padding: 5px 12px; border-radius: 999px;
}

/* Capa do card — a primeira foto da própria pasta do projeto.
   Fica atrás do tag/hint/legenda (que têm z-index:1) e na frente do
   gallery-tex-N (cor de fallback, caso a foto ainda não exista/carregue). */
.project-card__cover{
  position:absolute; inset:0; z-index:0;
}
.project-card__cover img{
  width:100%; height:100%; object-fit:cover; display:block;
}

.gallery-zoom-hint{
  position:absolute; top:14px; right:14px; z-index:1;
  width:34px; height:34px; border-radius:50%;
  background: rgba(0,0,0,.4); color:#fff;
  display:flex; align-items:center; justify-content:center;
  opacity:0; transform: scale(.85); transition: opacity .2s ease, transform .2s ease;
}
.gallery-item:hover .gallery-zoom-hint, .gallery-item:focus-visible .gallery-zoom-hint{
  opacity:1; transform: scale(1);
}

.gallery-caption{
  position:relative; z-index:1; padding: 18px; color:#fff; width:100%;
  background: linear-gradient(0deg, rgba(0,0,0,.55), transparent 70%);
}
.gallery-caption span{ display:block; font-family: var(--font-display); font-weight:700; }
.gallery-caption small{ opacity:.85; }

.gallery-tex-1{ background: linear-gradient(135deg,#a8531c,#e3b98a); }
.gallery-tex-2{ background: linear-gradient(135deg,#c98a1a,#f0d18c); }
.gallery-tex-3{ background: linear-gradient(135deg,#6b3a5c,#b98ca8); }
.gallery-tex-4{ background: linear-gradient(135deg,#35495e,#7c97a8); }
.gallery-tex-5{ background: linear-gradient(135deg,#3d4a1f,#93a340); }
.gallery-tex-6{ background: linear-gradient(135deg,#7a4a1f,#c99a5e); }
.gallery-tex-7{ background: linear-gradient(135deg,#2d6b6b,#7fc9c9); }
.gallery-tex-8{ background: linear-gradient(135deg,#b8543a,#e3966f); }

/* Cards de Pesquisa e Produção de Conhecimento — sem foto, reforça a autoridade acadêmica */
.research-card{
  flex: 1 1 300px; max-width: 380px; min-height: 320px;
  display:flex; flex-direction:column; gap:12px;
  background: var(--olive-dark); color: var(--cream-text);
  border-radius: var(--radius-md); padding: 30px 26px;
  box-shadow: 0 10px 26px rgba(35,43,16,.2);
}
.research-card__icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:52px; height:52px; border-radius:50%;
  background: rgba(255,255,255,.12); color:#fff;
}
.research-card__tag{
  align-self:flex-start;
  background: var(--terracotta); color:#fff; font-size:.72rem; font-weight:700;
  text-transform: uppercase; letter-spacing:.04em;
  padding: 4px 12px; border-radius: 999px;
}
.research-card h3{ font-size:1.2rem; margin:4px 0 0; }
.research-card p{ font-size:.92rem; color: rgba(255,255,255,.85); margin:0; }

.network{ text-align:center; }

/* Carrossel de parceiros — mesma mecânica de rolagem infinita do carrossel de Eixos */
.partners-carousel-wrap{
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px){
  .partners-carousel-wrap{ padding: 0 60px; }
}

.partners-carousel{
  display:flex; gap: 32px; align-items:center;
  list-style:none; margin:0; padding: 10px 4px 26px;
  overflow-x:auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  scrollbar-width:none;
}
.partners-carousel::-webkit-scrollbar{ display:none; }
.partners-carousel:focus-visible{ outline: 3px solid var(--terracotta); outline-offset: 4px; border-radius: 8px; }

.partner-slide{ flex: 0 0 150px; scroll-snap-align: start; }

.partner-card{ display:flex; flex-direction:column; align-items:center; gap:12px; }
.partner-avatar{
  display:block; width:88px; height:88px; border-radius:50%;
  overflow:hidden; background: linear-gradient(135deg, #d9d2c2, #c7bda6);
  box-shadow: 0 6px 16px rgba(43,35,19,.15);
}
.partner-avatar img{ width:100%; height:100%; object-fit:cover; display:block; }
.partner-card strong{ font-size:.9rem; color: var(--ink-soft); text-align:center; }

/* Reaproveita .carousel-arrow do carrossel de Eixos, com fundo claro (seção clara) */
.partners-carousel-wrap .carousel-arrow{ background:#fff; color: var(--terracotta); box-shadow: 0 6px 16px rgba(43,35,19,.2); }
.partners-carousel-wrap .carousel-arrow:hover{ background: var(--terracotta); color:#fff; }

/* Dots do carrossel de parceiros — sobre fundo claro, então precisam de cor escura */
#partnersDots .carousel-dot{ background: rgba(43,35,19,.2); }
#partnersDots .carousel-dot.is-active{ background: var(--terracotta); }

/* =========================================================
   Contato
   ========================================================= */
.section--contact{
  position:relative; overflow:hidden;
  background: var(--terracotta); color:#fff;
}
.contact-shape{
  position:absolute; right:-10%; top:-20%; width:60%; height:140%;
  background: var(--terracotta-light);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
  opacity:.6;
}
.contact-grid{
  position:relative; z-index:1;
  display:grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items:start;
}
.contact-intro h2{ font-size: clamp(1.8rem,3.6vw,2.4rem); }
.contact-intro p{ color: rgba(255,255,255,.9); max-width: 480px; }
.social-list{ display:flex; gap:14px; margin-top: 24px; }
.social-list a{
  display:flex; align-items:center; justify-content:center;
  width:44px; height:44px; border-radius:50%;
  background: rgba(255,255,255,.15);
  transition: background .2s ease;
}
.social-list a:hover{ background: rgba(255,255,255,.3); }

.contact-form{
  background: #fff; color: var(--ink);
  padding: 32px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.form-row{ margin-bottom: 18px; }
.form-row label{ display:block; font-weight:700; margin-bottom:6px; font-size:.9rem; }
.form-row input, .form-row textarea{
  width:100%; padding: 12px 14px; border-radius: var(--radius-sm);
  border:1.5px solid #ddd2ba; font-family: inherit; font-size: .96rem;
  background: var(--cream-2);
}
.form-row input:focus, .form-row textarea:focus{ border-color: var(--terracotta); }
.form-hp{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.form-status{ margin-top: 14px; font-weight:600; min-height: 1.4em; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background: var(--terracotta-dark); color: rgba(255,255,255,.85); padding: 26px 0; }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px; }
.footer-inner nav{ display:flex; gap: 20px; }
.footer-inner nav a:hover{ text-decoration:underline; }
.footer-copy{ margin:0; font-size:.88rem; }

/* =========================================================
   Responsivo
   ========================================================= */
@media (max-width: 980px){
  .about-grid{ grid-template-columns: 1fr; }
  .about-media{ order:-1; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav-toggle{ display:flex; }
  .site-nav{
    position:absolute; top:76px; left:0; right:0;
    background: var(--terracotta-dark);
    max-height:0; overflow:hidden; transition: max-height .3s ease;
  }
  .site-nav.is-open{ max-height: 420px; }
  .site-nav ul{ flex-direction:column; padding: 10px 24px 24px; gap:4px; }
  .nav-link{ display:block; padding:12px 0; }
  .nav-link--cta{ display:inline-block; margin-top:8px; }

  .hero{ min-height: 560px; }
  .hero-content{ padding-block: 60px; }

  .project-card, .research-card{ min-height: 260px; }
  .category-filter{ justify-content:flex-start; overflow-x:auto; flex-wrap:nowrap; padding-bottom:6px; }
  .category-filter-btn{ flex:0 0 auto; }

  .section{ padding-block: 60px; }
}

@media (max-width: 480px){
  .project-card, .research-card{ flex-basis: 100%; max-width: 100%; }
  .partner-slide{ flex: 0 0 120px; }
}

/* =========================================================
   Lightbox — Projetos em Destaque
   ========================================================= */
.lightbox{
  position:fixed; inset:0; z-index:1000;
  display:flex; align-items:center; justify-content:center; padding: 20px;
  opacity:0; transition: opacity .28s ease;
}
.lightbox[hidden]{ display:none; }
.lightbox.is-open{ opacity:1; }

.lightbox-backdrop{ position:absolute; inset:0; background: rgba(20,14,8,.86); }

.lightbox-content{
  position:relative; z-index:1; width:100%; max-width: 720px;
  background: var(--cream-2); border-radius: var(--radius-lg); overflow:hidden;
  box-shadow: var(--shadow-soft);
  transform: scale(.94) translateY(12px); opacity:0;
  transition: transform .32s cubic-bezier(.22,1,.36,1), opacity .32s ease;
}
.lightbox.is-open .lightbox-content{ transform: scale(1) translateY(0); opacity:1; }

.lightbox-media{ position:relative; height: 380px; overflow:hidden; background: var(--ink); }
.lightbox-media img{
  width:100%; height:100%; object-fit:cover; display:block;
  opacity:0; transition: opacity .25s ease;
}
.lightbox-media img.is-loaded{ opacity:1; }
.lightbox-counter{
  position:absolute; bottom:12px; right:14px; z-index:1;
  background: rgba(0,0,0,.55); color:#fff; font-size:.78rem; font-weight:700;
  padding: 4px 10px; border-radius: 999px;
}

.lightbox-info{ padding: 22px 30px 30px; }
.lightbox-info h3{ margin:0 0 6px; font-size:1.4rem; color: var(--ink); }
.lightbox-info p{ margin:0; color: var(--ink-soft); }

.lightbox-close{
  position:absolute; top:14px; right:14px; z-index:2;
  width:40px; height:40px; border-radius:50%; border:none;
  background: rgba(0,0,0,.4); color:#fff; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
}
.lightbox-close:hover{ background: var(--terracotta); }

.lightbox-nav{
  position:absolute; top: 170px; z-index:2;
  width:44px; height:44px; border-radius:50%; border:none;
  background: rgba(0,0,0,.35); color:#fff; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition: background .2s ease;
}
.lightbox-nav:hover{ background: var(--terracotta); }
.lightbox-nav--prev{ left:14px; }
.lightbox-nav--next{ right:14px; }

@media (max-width: 600px){
  .lightbox-media{ height: 240px; }
  .lightbox-nav{ top: 100px; width:38px; height:38px; }
  .lightbox-info{ padding: 18px 20px 24px; }
}