/* =========================================================
   Cátedra UNESCO de Ciência Aberta, Digitalização Responsável
   e Impacto Social — Universidade Óscar Ribas (UÓR)
   ========================================================= */

:root{
  --navy-900:#081a45;
  --navy-800:#0f2a6d;
  --navy-700:#163a86;
  --navy-100:#e8ecf6;
  --orange-600:#d85a1f;
  --orange-500:#e2721f;
  --orange-100:#fbe7d8;
  --paper:#f9f8f5;
  --paper-2:#f2efe8;
  --ink:#1c2333;
  --ink-soft:#4b5468;
  --muted:#6c7280;
  --line:#e3e0d8;
  --white:#ffffff;
  --radius:6px;
  --radius-lg:14px;
  --shadow-sm:0 1px 3px rgba(15,26,69,.08);
  --shadow-md:0 10px 30px -12px rgba(15,26,69,.25);
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

.skip-link{
  position:absolute;
  left:16px;top:12px;
  z-index:100;
  padding:10px 16px;
  background:var(--orange-600);
  color:#fff;
  font-weight:700;
  font-size:.88rem;
  border-radius:2px;
  transform:translateY(-120%);
  transition:transform .15s ease;
}
.skip-link:focus{transform:none;outline:2px solid #fff;outline-offset:2px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  color:var(--navy-900);
  letter-spacing:-.01em;
}
p{margin:0 0 1em}
ul{margin:0;padding:0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:88px 0}
@media (max-width:780px){
  section{padding:56px 0}
}
@media (max-width:560px){
  .topbar-left{display:none}
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--sans);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--orange-600);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--orange-600);
  display:inline-block;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 26px;
  border-radius:2px;
  font-family:var(--sans);
  font-weight:600;
  font-size:.92rem;
  letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .18s ease;
}
.btn-primary{background:var(--orange-600);color:#fff}
.btn-primary:hover{background:#c34e17}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{background:transparent;color:var(--navy-800);border-color:var(--navy-800)}
.btn-outline:hover{background:var(--navy-800);color:#fff}

/* ---------- Top utility bar ---------- */
.topbar{
  background:var(--navy-900);
  color:rgba(255,255,255,.78);
  font-size:.78rem;
}
.topbar .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:7px;
  padding-bottom:7px;
  gap:16px;
}
.topbar-left{display:flex;gap:18px;flex-wrap:wrap}
.topbar-left span{opacity:.65;margin-right:4px}
.topbar-lang{
  display:flex;align-items:center;gap:2px;
  flex-shrink:0;
}
.lang-btn{
  background:transparent;
  border:0;
  color:rgba(255,255,255,.62);
  font-family:var(--sans);
  font-weight:700;
  font-size:.72rem;
  letter-spacing:.06em;
  padding:4px 8px;
  cursor:pointer;
  border-radius:2px;
  line-height:1;
}
.lang-btn:hover{color:#fff}
.lang-btn.is-active{
  color:#fff;
  background:rgba(255,255,255,.14);
}

/* ---------- Header / nav ---------- */
header.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
header.site-header .nav-row{position:relative}
.nav-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 0;
  gap:14px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logos{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-logos .logo-chair{height:72px;width:auto}
.brand-logos .logo-unesco{
  height:64px;
  width:auto;
  padding-left:10px;
  border-left:1px solid var(--line);
}
.brand-text{font-family:var(--serif);line-height:1.2}
.brand-text .l1{font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--orange-600);font-family:var(--sans);font-weight:700;display:block}
.brand-text .l2{font-size:1.02rem;font-weight:600;color:var(--navy-900);display:block;white-space:nowrap}
.brand-text .l3{font-size:.68rem;color:var(--muted);font-family:var(--sans);display:block}

nav.main-nav{display:flex;align-items:center;gap:2px}
nav.main-nav a{
  padding:10px 13px;
  font-size:.9rem;
  font-weight:600;
  color:var(--ink-soft);
  border-radius:2px;
  position:relative;
  white-space:nowrap;
}
nav.main-nav a:hover{color:var(--navy-900)}
nav.main-nav a.active{color:var(--navy-900)}
nav.main-nav a.active::after{
  content:"";
  position:absolute;left:16px;right:16px;bottom:4px;
  height:2px;background:var(--orange-600);
}
.nav-cta{margin-left:6px;padding:10px 20px;font-size:.88rem;white-space:nowrap}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy-900);margin:5px 0}

@media (max-width:1180px){
  .brand-text{display:none}
}
@media (max-width:960px){
  .nav-toggle{display:block}
  .brand img,
  .brand-logos .logo-chair{height:56px}
  .brand-logos .logo-unesco{height:50px;padding-left:8px}
  .topbar-left span:nth-child(2){display:none}
  nav.main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    padding:8px 24px 18px;
    display:none;
  }
  nav.main-nav.open{display:flex}
  nav.main-nav a{padding:12px 4px;border-bottom:1px solid var(--paper-2)}
  .nav-cta{margin:10px 0 0}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:radial-gradient(1200px 600px at 15% -10%, var(--navy-700), var(--navy-900) 60%);
  color:#fff;
  overflow:hidden;
  padding:120px 0 100px;
}
.hero-canvas{
  position:absolute;inset:0;
  width:100%;height:100%;
  opacity:.55;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-inner{max-width:680px}
.hero h1{
  color:#fff;
  font-size:clamp(2.1rem,4.4vw,3.4rem);
  margin-bottom:20px;
}
.hero h1 em{color:var(--orange-500);font-style:normal}
.hero p.lead{
  font-size:1.12rem;
  color:rgba(255,255,255,.82);
  max-width:560px;
  margin-bottom:34px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  padding:7px 16px;border-radius:100px;
  font-size:.8rem;color:rgba(255,255,255,.85);
  margin-bottom:26px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--orange-500)}

/* page header (non-home) */
.page-hero{
  background:linear-gradient(120deg,var(--navy-900),var(--navy-700));
  color:#fff;
  padding:64px 0 58px;
}
.page-hero .crumb{font-size:.82rem;color:rgba(255,255,255,.6);margin-bottom:14px}
.page-hero .crumb a{color:rgba(255,255,255,.85)}
.page-hero h1{color:#fff;font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:10px}
.page-hero p{color:rgba(255,255,255,.78);max-width:640px;margin:0}

/* ---------- Stats ---------- */
.stats{
  background:var(--navy-900);
  color:#fff;
}
.stats .container{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.12);
  border-top:1px solid rgba(255,255,255,.12);
}
.stat{
  background:var(--navy-900);
  padding:34px 26px;
  text-align:left;
}
.stat .num{font-family:var(--serif);font-size:2.1rem;color:var(--orange-500);line-height:1}
.stat .label{font-size:.82rem;color:rgba(255,255,255,.72);margin-top:8px}
@media (max-width:860px){
  .stats .container{grid-template-columns:repeat(2,1fr)}
}

/* ---------- Generic sections ---------- */
.section-head{max-width:680px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow::before{display:none}

.two-col{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;
  align-items:center;
}
@media (max-width:860px){
  .two-col{grid-template-columns:1fr;gap:32px}
}
.two-col img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}

.card-photo{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.card-photo img{width:100%}
.card-photo .cap{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(0deg,rgba(8,26,69,.85),transparent);
  color:#fff;padding:22px 20px 14px;font-size:.85rem;
}

/* pillar / feature cards */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .grid-3,.grid-2{grid-template-columns:1fr}
}

.pillar{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 26px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.pillar:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.pillar .ico{
  width:46px;height:46px;
  border-radius:10px;
  background:var(--orange-100);
  color:var(--orange-600);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.pillar h3{font-size:1.08rem;margin-bottom:10px}
.pillar p{color:var(--ink-soft);font-size:.93rem;margin:0}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:.9rem;color:var(--navy-800);
  margin-top:8px;
}
.link-arrow svg{transition:transform .15s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* news card */
.news-feature{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.news-feature img{height:100%;object-fit:cover}
.news-feature .body{padding:38px}
.news-date{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--orange-600);margin-bottom:12px}
@media (max-width:860px){
  .news-feature{grid-template-columns:1fr}
  .news-feature img{height:240px}
}

/* partners strip */
.partners{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.partners .container{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:28px;
  padding:34px 24px;
}
.partner-badge{
  display:flex;flex-direction:column;gap:2px;
  font-family:var(--serif);color:var(--navy-800);
  font-weight:600;font-size:1.02rem;
  opacity:.85;
}
.partner-badge small{
  font-family:var(--sans);font-size:.68rem;color:var(--muted);
  text-transform:uppercase;letter-spacing:.08em;font-weight:600;
}

/* people / portraits */
.person{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;text-align:left;
}
.person img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top center}
.person .p-body{padding:18px 18px 20px}
.person .role{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--orange-600);font-weight:700;margin-bottom:6px}
.person .name{font-family:var(--serif);font-weight:600;font-size:1rem;color:var(--navy-900)}

/* coordinator feature */
.coord{
  display:grid;grid-template-columns:220px 1fr;gap:34px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px;align-items:center;
}
.coord img{border-radius:var(--radius);aspect-ratio:4/4.5;object-fit:cover}
@media (max-width:640px){
  .coord{grid-template-columns:1fr;text-align:left}
  .coord img{max-width:180px}
}

/* timeline / mission blocks */
.mission-block{
  border-left:3px solid var(--orange-600);
  padding-left:24px;margin-bottom:28px;
}
.mission-block h3{font-size:1.05rem;margin-bottom:8px}
.mission-block p{color:var(--ink-soft)}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery img{width:100%;height:230px;object-fit:cover;border-radius:var(--radius)}
.gallery .wide{grid-column:span 2}
@media (max-width:760px){
  .gallery{grid-template-columns:1fr 1fr}
  .gallery .wide{grid-column:span 2}
}
@media (max-width:520px){
  .gallery{grid-template-columns:1fr}
  .gallery .wide{grid-column:span 1}
}

/* photo carousel */
.carousel{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--navy-900);
  box-shadow:var(--shadow-md);
  aspect-ratio:16/10;
}
.carousel-track{
  position:relative;
  width:100%;
  height:100%;
}
.carousel-slide{
  position:absolute;
  inset:0;
  opacity:0;
  transition:opacity .7s ease;
  pointer-events:none;
}
.carousel-slide.is-active{
  opacity:1;
  pointer-events:auto;
  z-index:1;
}
.carousel-slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.carousel-caption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:28px 20px 18px;
  background:linear-gradient(0deg,rgba(8,26,69,.82),transparent);
  color:#fff;
  font-size:.88rem;
}
.carousel-nav{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:3;
  width:42px;height:42px;
  border:0;
  border-radius:50%;
  background:rgba(255,255,255,.92);
  color:var(--navy-900);
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
  transition:background .15s ease, transform .15s ease;
}
.carousel-nav:hover{background:#fff;transform:translateY(-50%) scale(1.04)}
.carousel-prev{left:12px}
.carousel-next{right:12px}
.carousel-dots{
  position:absolute;
  left:0;right:0;bottom:12px;
  z-index:3;
  display:flex;justify-content:center;gap:8px;
  padding:0 16px;
}
.carousel-dot{
  width:9px;height:9px;
  border-radius:50%;
  border:0;
  padding:0;
  background:rgba(255,255,255,.45);
  cursor:pointer;
}
.carousel-dot.is-active{background:#fff}
.carousel.has-caption .carousel-dots{bottom:52px}
@media (max-width:640px){
  .carousel{aspect-ratio:4/3}
  .carousel-nav{width:36px;height:36px}
  .carousel-prev{left:8px}
  .carousel-next{right:8px}
}
@media (prefers-reduced-motion: reduce){
  .carousel-slide{transition:none}
}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.info-row{display:flex;gap:16px;margin-bottom:26px}
.info-row .ico{
  width:40px;height:40px;border-radius:9px;background:var(--navy-100);color:var(--navy-800);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.info-row h4{margin:0 0 4px;font-size:.95rem;font-family:var(--sans);font-weight:700;color:var(--navy-900)}
.info-row p{margin:0;color:var(--ink-soft);font-size:.92rem}
.note-box{
  background:var(--orange-100);border:1px solid #f0c9a8;
  border-radius:var(--radius);padding:16px 18px;font-size:.86rem;color:#7a3d15;
}

form.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px}
.form-status{
  display:none;
  margin-top:14px;
  padding:12px 14px;
  border-radius:var(--radius);
  font-size:.88rem;
  line-height:1.45;
}
.form-status.is-visible{display:block}
.form-status.is-ok{background:#e8f5ec;border:1px solid #b7dfc2;color:#1d5c32}
.form-status.is-warn{background:var(--orange-100);border:1px solid #f0c9a8;color:#7a3d15}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
@media (max-width:560px){.form-row{grid-template-columns:1fr}}
.form-row.full{grid-template-columns:1fr}
label{display:block;font-size:.82rem;font-weight:600;color:var(--ink-soft);margin-bottom:6px}
input,textarea,select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:4px;
  font-family:var(--sans);font-size:.92rem;background:var(--paper);color:var(--ink);
}
input:focus,textarea:focus{outline:2px solid var(--navy-700);outline-offset:1px}
textarea{resize:vertical;min-height:120px}

.map-embed{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.map-embed iframe{width:100%;height:320px;border:0;display:block}

/* CTA band */
.cta-band{
  background:linear-gradient(120deg,var(--navy-900),var(--navy-700));
  color:#fff;text-align:center;
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.78);max-width:560px;margin:0 auto 30px}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--navy-900);color:rgba(255,255,255,.72)}
.footer-top{padding:64px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
@media (max-width:860px){.footer-top{grid-template-columns:1fr 1fr;row-gap:34px}}
@media (max-width:560px){.footer-top{grid-template-columns:1fr}}
.footer-brand{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px}
.footer-brand-logos{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.footer-brand-logos .logo-chair{height:52px;width:auto}
.footer-brand-logos .logo-unesco{
  height:48px;
  width:auto;
  padding:6px 8px;
  background:#fff;
  border-radius:4px;
  box-sizing:content-box;
}
.footer-brand-text{font-family:var(--serif);color:#fff;font-size:.95rem;line-height:1.3}
footer h5{color:#fff;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;font-weight:700}
footer ul li{margin-bottom:10px;font-size:.9rem}
footer ul li a:hover{color:#fff}
footer p{font-size:.88rem;color:rgba(255,255,255,.65)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;font-size:.8rem;color:rgba(255,255,255,.55);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .pillar:hover{transform:none}
}

/* misc helpers */
.mt-lg{margin-top:56px}
.text-center{text-align:center}
.muted{color:var(--muted)}