/* ==========================================================================
   1º Simpósio Nacional de Transformação Energética e Digital — UFF × ONS
   Mobile-first. Breakpoints: 560 · 600 · 720 · 900 · 1000 · 1120
   ========================================================================== */

/* Fontes (subconjunto latino, auto-hospedadas) ----------------------------- */
@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/ibm-plex-sans-latin.woff2') format('woff2');
  font-weight: 100 700;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-400-latin.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-500-latin.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Instrument Serif';
  src: url('../fonts/instrument-serif-italic-latin.woff2') format('woff2');
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

/* Tokens ------------------------------------------------------------------- */
:root {
  --ink: #15180F;
  --ink-btn: #14181F;
  --muted: #636266;
  --paper: #FAFAF0;
  --paper-2: #F1F1E4;
  --card: #FFFFFF;
  --line: rgba(20, 24, 20, .14);
  --line-2: rgba(20, 24, 20, .18);

  --graphite: #161B14;
  --graphite-2: #12170F;
  --graphite-card: #181D16;
  --ivory: #F4F2EC;
  --ivory-78: rgba(244, 242, 236, .78);
  --ivory-88: rgba(244, 242, 236, .88);
  --ivory-line: rgba(244, 242, 236, .16);
  --on-dark: #9B9F97;
  --on-dark-2: #B9BDB4;
  --nav: #D2D5CD;
  --marquee: #B4B8AE;

  --orange: #F76C00;
  --orange-aa: #F46A00; /* laranja da marca, 1% mais escuro: contraste AA sobre branco */
  --orange-ink: #B24E00;
  --orange-soft: #FF9040;
  --orange-deep: #A34600;
  --blue-stat: #4F8AD8;
  --blue-ink: #2C63A8;
  --blue-deep: #14509F;
  --blue-soft: #8AB6EE;
  --green: #486018;
  --green-soft: #8FB63F;
  --lime: #A8CB5C;

  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;

  --page: 1440px;
  --gutter: 20px;
  --pad-l: max(var(--gutter), env(safe-area-inset-left));
  --pad-r: max(var(--gutter), env(safe-area-inset-right));
  --header-h: 76px;
  --label: 11px; /* rótulos em mono: 11px no celular, 10px a partir de 600px */
}

@media (min-width: 600px) {
  :root { --label: 10px; }
}

@media (min-width: 600px) and (min-height: 501px) {
  :root { --header-h: 81px; }
}

@media (min-width: 900px) and (min-height: 501px) {
  :root { --header-h: 92px; }
}

@media (min-width: 720px) {
  :root { --gutter: 40px; }
}

/* Base --------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--graphite);
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: 1.3;
  color: var(--ink);
  background: var(--paper);
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

::selection { background: var(--green); color: #fff; }

:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--ivory);
  color: var(--ink);
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* Fica no fluxo para o leitor de tela e some da tela. Usado nos nomes das
   instituicoes, que viram logo no visual mas precisam existir como titulo. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.container { max-width: var(--page); margin-inline: auto; }

.nowrap { white-space: nowrap; }

/* Tipografia compartilhada ------------------------------------------------- */
.eyebrow {
  margin: 0 0 20px;
  font: 400 11px/1.3 var(--font-mono);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange-ink);
}

.h2 {
  margin: 0;
  max-width: 19ch;
  font: 600 clamp(32px, 3.6vw, 58px)/1.02 var(--font-display);
  letter-spacing: -.03em;
}
.h2--compact { font-size: clamp(30px, 3.4vw, 52px); line-height: 1.03; }

.h2 em,
.cta__title em,
.hero__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

.note { font: 400 11px/1.5 var(--font-mono); }

/* Botões ------------------------------------------------------------------- */
/* min-height (e não height): com texto ampliado pelo usuário o botão cresce em vez de cortar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-weight: 600;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease, border-color .25s ease;
}
.btn--sm { min-height: 44px; padding: 8px 20px; gap: 10px; font-size: 14px; }
.btn--lg { min-height: 56px; padding: 8px 30px; font-size: 16px; }
.btn--xl { min-height: 60px; padding: 8px 34px; font-size: 17px; }

.btn--accent { background: var(--orange); color: var(--ink-btn); }
.btn--light { background: var(--ivory); color: var(--ink-btn); }
.btn--ghost { border-color: rgba(244, 242, 236, .22); color: var(--ivory); font-weight: 500; }
.btn--outline { border-color: rgba(244, 242, 236, .6); color: var(--ivory); font-weight: 500; }

.arrow { flex: none; }

@media (hover: hover) {
  .btn--accent:hover,
  .btn--light:hover { transform: translateY(-2px); }
  .hero .btn--accent:hover { box-shadow: 0 12px 32px rgba(0, 0, 0, .28); }
  .header-cta:hover { transform: translateY(-1px); filter: brightness(1.12); }
  .btn--ghost:hover,
  .btn--outline:hover { border-color: currentColor; }
}

/* Header ------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  padding: 0 var(--pad-r) 0 var(--pad-l);
  color: var(--ivory);
  border-bottom: 1px solid transparent;
  transition: background-color .35s ease, border-color .35s ease;
}
.is-scrolled .site-header,
.menu-open .site-header {
  background: rgba(22, 27, 20, .9);
  border-bottom-color: rgba(244, 242, 236, .14);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.menu-open .site-header { background: var(--graphite); }

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: var(--page);
  height: var(--header-h);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding-block: 8px;
  margin-block: -8px;
  color: var(--ivory);
}
/* Altura fixa, largura pelo aspecto: o width/height do HTML reserva o espaço antes de carregar */
.brand__mark { flex: none; width: auto; height: 44px; }
.brand__text { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.brand__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  white-space: nowrap;
}
.brand__sub {
  display: none;
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--green-soft);
}
.brand__band {
  align-self: flex-start;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .12em;
  white-space: nowrap;
  background: var(--orange);
  color: var(--ink-btn);
}
/* Só corta (com reticências) se o usuário ampliar muito o texto; em tamanho normal sempre cabe */
.site-header .brand__title,
.site-header .brand__sub { overflow-x: clip; text-overflow: ellipsis; }
.nav { display: none; margin-left: auto; }
.nav ul { display: flex; gap: 24px; margin: 0; padding: 0; list-style: none; }
.nav a {
  display: block;
  padding: 12px 0;
  font-size: 14px;
  white-space: nowrap;
  color: var(--nav);
  transition: color .2s ease;
}
.nav a:hover { color: #fff; }

.site-header__actions { display: flex; align-items: center; gap: 10px; flex: none; margin-left: auto; }

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 11px;
  border: 1px solid rgba(244, 242, 236, .28);
  border-radius: 0;
  background: transparent;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 1.5px;
  background: var(--ivory);
  transition: transform .25s ease;
}
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

.menu {
  max-height: calc(100vh - var(--header-h));
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px 0 22px;
  border-top: 1px solid rgba(244, 242, 236, .14);
  animation: rise-in .3s ease both;
}
.menu ul { max-width: var(--page); margin: 0 auto; padding: 0; list-style: none; }
.menu a {
  display: block;
  padding: 15px 0;
  border-bottom: 1px solid rgba(244, 242, 236, .1);
  font-size: 17px;
  color: var(--ivory);
}
.menu li:last-child a { border-bottom: 0; }

@media (max-width: 299px) {
  .brand__mark { height: 38px; }
  .brand__title { font-size: 14px; }
}
@media (min-width: 360px) {
  .brand__sub { display: block; }
}
@media (min-width: 560px) {
  .brand__mark { height: 52px; }
  .brand__title { font-size: 19px; }
}
@media (min-width: 600px) and (min-height: 501px) {
  .menu-toggle { width: 48px; height: 48px; padding: 0 12px; }
}
@media (min-width: 900px) {
  .site-header__bar { gap: 36px; }
  .brand { gap: 12px; }
  .brand__mark { height: 70px; }
  .brand__title { font-size: 22px; }
  .brand__sub { font-size: 9.5px; letter-spacing: .1em; }
  .brand__band { font-size: 9.5px; }
}
@media (min-width: 1120px) {
  .nav { display: block; }
  .menu-toggle,
  .menu { display: none; }
  /* .is-compact: os links não couberam na barra (definido via JS) */
  .is-compact .nav { display: none; }
  .is-compact .menu-toggle { display: flex; }
  .is-compact .menu:not([hidden]) { display: block; }
}

/* Hero --------------------------------------------------------------------- */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  padding: calc(var(--header-h) + 52px) var(--pad-r) 64px var(--pad-l);
  background: var(--graphite);
  color: var(--ivory);
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 56px;
  align-items: end;
  width: 100%;
  max-width: var(--page);
  margin: 0 auto;
}

.hero__eyebrow {
  margin: 0 0 22px;
  font: 400 11px/1.3 var(--font-mono);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange-soft);
  animation: rise-in .7s ease both;
}
.hero__kicker {
  max-width: 26ch;
  margin: 0 0 20px;
  font: 600 clamp(18px, 1.5vw, 23px)/1.25 var(--font-display);
  letter-spacing: -.02em;
  animation: rise-in .75s .03s ease both;
}
.hero__kicker span { color: var(--orange-soft); }
.hero__title {
  max-width: 17ch;
  margin: 0 0 30px;
  font: 600 clamp(40px, 5.6vw, 92px)/.95 var(--font-display);
  letter-spacing: -.035em;
  text-wrap: pretty;
  animation: rise-in .8s .06s ease both;
}
.hero__title em { letter-spacing: -.01em; }
.hero__lead {
  max-width: 50ch;
  margin: 0 0 40px;
  font-size: 19px;
  line-height: 1.5;
  color: var(--ivory-78);
  animation: rise-in .8s .12s ease both;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  animation: rise-in .8s .18s ease both;
}

.hero__facts {
  margin: 0;
  border-top: 1px solid rgba(244, 242, 236, .22);
  animation: rise-in .8s .24s ease both;
}
/* Rótulo e valor na mesma linha; o valor só desce se nem a menor palavra couber (texto ampliado) */
.hero__facts > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(244, 242, 236, .22);
}
.hero__facts > div:last-child { align-items: center; border-bottom: 0; }
.hero__facts dt {
  flex: none;
  font: 400 var(--label)/1.3 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ivory-78);
}
.hero__facts dd {
  flex: 1 1 0;
  margin: 0;
  text-align: right;
  font: 500 20px/1.1 var(--font-display);
  letter-spacing: -.02em;
}
.hero__facts dd > span:not(.status) {
  display: block;
  margin-top: 2px;
  font: 400 14px/1.3 var(--font-sans);
  letter-spacing: 0;
  color: var(--ivory-78);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(143, 182, 63, .18);
  font: 600 13px/1.3 var(--font-sans);
  letter-spacing: 0;
  color: var(--lime);
}
.status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2.4s ease-in-out infinite;
}

@media (max-width: 319px) {
  .hero__facts dd { flex-basis: 100%; text-align: left; }
}
@media (max-width: 599px) {
  .hero__title { font-size: clamp(28px, 10.4vw, 40px); }
  .hero__actions .btn { flex: 1 1 auto; }
}
@media (min-width: 900px) {
  .hero { padding: 168px var(--pad-r) 56px var(--pad-l); }
  .hero__inner { grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); }
}

/* Grafismo animado (fluxos) ------------------------------------------------ */
.art { position: absolute; inset: 0; pointer-events: none; }
.art--hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 15% 90%, rgba(22, 27, 20, .94) 0%, rgba(22, 27, 20, .35) 60%, rgba(22, 27, 20, 0) 100%);
}

.flows {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--flow-line);
  stroke-width: 1.2;
}
.art--hero .flows { --flow-line: rgba(244, 242, 236, .22); opacity: .9; }
.art--cta .flows { --flow-line: rgba(244, 242, 236, .16); opacity: .65; }

.fa { stroke: var(--orange-soft); stroke-width: 1.6; stroke-dasharray: 120 1080; opacity: .85; animation: flow 11s linear infinite; }
.fa-2 { animation-duration: 14s; animation-delay: 1.4s; }
.fa-3 { animation-duration: 17s; animation-delay: 2.8s; }
.fb { stroke: var(--blue-soft); stroke-width: 1.6; stroke-dasharray: 110 1090; opacity: .7; animation: flow-rev 13s linear infinite; }
.fb-2 { animation-duration: 16s; animation-delay: 1.8s; }
.fb-3 { animation-duration: 19s; animation-delay: 3.6s; }
.fc { stroke: var(--green-soft); stroke-width: 1.5; stroke-dasharray: 70 1130; opacity: .8; }
.fc-1 { animation: flow 17s linear 1s infinite; }
.fc-2 { animation: flow 22s linear 5.4s infinite; }
.fc-3 { animation: flow-rev 27s linear 9.8s infinite; }

.dot {
  stroke: none;
  fill: var(--orange-soft);
  transform-box: fill-box;
  transform-origin: center;
  animation: pulse 3s ease-in-out infinite;
}
.dot--2,
.dot--5 { fill: var(--blue-soft); }
.dot--3,
.dot--6 { fill: var(--green-soft); }
.dot--2 { animation-duration: 3.4s; animation-delay: .3s; }
.dot--3 { animation-duration: 3.8s; animation-delay: .6s; }
.dot--4 { animation-duration: 4.2s; animation-delay: .9s; }
.dot--5 { animation-duration: 4.6s; animation-delay: 1.2s; }
.dot--6 { animation-duration: 5s; animation-delay: 1.5s; }

/* Faixa de temas (marquee) ------------------------------------------------- */
.marquee {
  overflow: hidden;
  padding: 16px 0;
  border-block: 1px solid rgba(244, 242, 236, .1);
  background: var(--graphite-2);
  color: var(--marquee);
}
.marquee__track { display: flex; width: max-content; animation: marquee 46s linear infinite; }
.marquee ul {
  display: flex;
  gap: 36px;
  margin: 0;
  padding: 0 36px 0 0;
  list-style: none;
  font: 400 12px/1.3 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.marquee li { display: flex; gap: 36px; white-space: nowrap; }
.marquee li::after { content: '◆'; color: var(--orange-soft); }

/* 01 · Propósito ----------------------------------------------------------- */
.about {
  padding: 80px var(--pad-r) 80px var(--pad-l);
  background: var(--paper);
}
/* container-type aqui (e nao na coluna da direita) porque os stats agora sao filhos diretos do grid */
.about__grid { display: grid; container-type: inline-size; grid-template-columns: minmax(0, 1fr); gap: 40px; align-items: start; }
.about .h2 { text-wrap: pretty; }
.about__lead { max-width: 52ch; margin: 0 0 24px; font-size: clamp(19px, 5.4vw, 21px); line-height: 1.55; }
.about__text { max-width: 56ch; margin: 0; font-size: 17px; line-height: 1.6; color: var(--muted); }

/* Largura toda: a coluna da esquerda so tem o titulo, e prender os stats na
   direita deixava um vao grande embaixo dele. */
.stats {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.stats li { padding: 16px; background: var(--card); border: 1px solid var(--line); }
.stats__value {
  display: block;
  margin-bottom: 6px;
  font: 600 44px/1.09 var(--font-display);
  letter-spacing: -.04em;
}
.stats__value--orange { color: var(--orange-aa); }
.stats__value--blue { color: var(--blue-stat); }
.stats__value--green { color: var(--green); }
.stats li > span {
  display: block;
  font: 400 var(--label)/1.3 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

@container (min-width: 596px) {
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 319px) {
  .stats li { padding: 14px; }
  .stats li > span { font-size: 10px; letter-spacing: .08em; }
}
@media (min-width: 400px) {
  .stats li { padding: 22px; }
}
@media (min-width: 900px) {
  .about { padding-block: 124px; }
  .about__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); column-gap: 80px; row-gap: 56px; }
}

/* 02 · Temas --------------------------------------------------------------- */
.temas {
  padding: 0 var(--pad-r) 80px var(--pad-l);
  background: var(--paper);
}
.temas__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.temas__head .eyebrow { margin: 0; }
.temas__head p { max-width: 44ch; margin: 0; font-size: 15px; color: var(--muted); }

.temas__list { margin: 0; padding: 0; list-style: none; }
.tema {
  --tema-ink: var(--blue-ink);
  --tema-bg: var(--blue-deep);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 22px 16px;
  border-bottom: 1px solid var(--line);
  transition: background-color .3s ease, color .3s ease;
}
.tema:nth-child(3n + 2) { --tema-ink: var(--green); --tema-bg: var(--green); }
.tema:nth-child(3n) { --tema-ink: var(--orange-ink); --tema-bg: var(--orange-deep); }
.tema__n {
  font: 400 11px/1.3 var(--font-mono);
  letter-spacing: .1em;
  color: var(--tema-ink);
  transition: color .3s ease;
}
.tema__title { margin: 0; font: 500 24px/1.05 var(--font-display); letter-spacing: -.03em; }
.tema__desc { margin: 0; font-size: 15px; line-height: 1.55; opacity: .75; transition: opacity .3s ease; }

@media (hover: hover) {
  .tema:hover { background: var(--tema-bg); color: var(--ivory); }
  .tema:hover .tema__n { color: var(--ivory); }
  .tema:hover .tema__desc { opacity: .95; }
}
@media (min-width: 900px) {
  .temas { padding-bottom: 120px; }
  .tema {
    grid-template-columns: 64px minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    gap: 20px;
    padding: 30px 24px;
  }
  .tema__title { font-size: clamp(24px, 2.6vw, 40px); }
}

/* 03 · Programação --------------------------------------------------------- */
.schedule {
  padding: 80px var(--pad-r) 80px var(--pad-l);
  background: var(--paper);
}
.schedule__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px 40px;
  margin-bottom: 16px;
}
.schedule .h2 { max-width: 20ch; }

.day-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  width: 100%;
}
.day-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 6px 8px;
  border: 0;
  border-radius: 0;
  box-shadow: inset 0 0 0 1px var(--line);
  background: transparent;
  font: 600 15px/1.2 var(--font-sans);
  color: var(--muted);
  cursor: pointer;
  transition: background-color .3s ease, color .3s ease;
}
@media (hover: hover) {
  .day-tab:hover { color: var(--ink); }
}
.day-tab[aria-selected="true"] { box-shadow: none; background: var(--orange); color: var(--ink-btn); }

.schedule__date {
  margin: 0 0 40px;
  font: 400 11px/1.5 var(--font-mono);
  letter-spacing: .1em;
  color: var(--orange-ink);
}

.agenda__dia { display: none; }
.agenda ol {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}
.session {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 20px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.session__time { display: flex; align-items: baseline; gap: 10px; margin: 0; }
.session__time time { font: 600 20px/1.1 var(--font-display); letter-spacing: -.02em; }
.session__time span {
  font: 400 var(--label)/1.3 var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.session__cat {
  margin: 0 0 8px;
  font: 400 var(--label)/1.4 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange-ink);
}
.session__title { margin: 0 0 8px; font: 500 22px/1.1 var(--font-display); letter-spacing: -.02em; }
.session__detail { margin: 0; font-size: 15px; color: var(--muted); }
.session__stage {
  justify-self: start;
  margin: 0;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 400 11px/1.3 var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.schedule__note { margin: 24px 0 0; color: var(--muted); }

@media (min-width: 600px) {
  .day-tabs { display: inline-flex; flex-wrap: wrap; width: auto; }
  .day-tab {
    flex-direction: row;
    min-height: 46px;
    padding: 0 22px;
    box-shadow: none;
    white-space: nowrap;
  }

  .session {
    grid-template-columns: 112px minmax(0, 1fr);
    grid-template-areas: "time body" "time stage";
    gap: 16px 28px;
    padding: 24px;
  }
  .session__time { grid-area: time; flex-direction: column; align-items: flex-start; gap: 4px; }
  .session__body { grid-area: body; }
  .session__stage { grid-area: stage; }
  .session__title { font-size: 24px; }
}
@media (min-width: 900px) {
  .schedule { padding-block: 120px; }
  .session {
    grid-template-columns: 132px minmax(0, 1fr) auto;
    grid-template-areas: "time body stage";
    align-items: start;
  }
  .session__stage { justify-self: end; }
}

/* 04 · Local --------------------------------------------------------------- */
.local {
  padding: 80px var(--pad-r) 80px var(--pad-l);
  background: var(--paper);
}
.local__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; align-items: start; }
.local__title { max-width: 18ch; margin-bottom: 20px; }
.local__text { max-width: 48ch; margin: 0 0 32px; font-size: 17px; line-height: 1.6; color: var(--muted); }

.info-list { margin: 0; border-top: 1px solid var(--line); }
.info-list > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.info-list dt {
  flex: none;
  font: 400 var(--label)/1.3 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.info-list dd { flex: 1 1 100%; max-width: 34ch; margin: 0; font-size: 15px; }
.local__note { margin: 22px 0 0; max-width: 52ch; color: var(--muted); }

/* Entrou no lugar do placeholder de foto: para quem vai ao evento, saber chegar
   vale mais que uma imagem do predio. O link e de saida, nao um mapa embutido:
   o site continua sem nenhuma requisicao de terceiros em runtime. */
.mapa {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 28px 24px;
  border: 1px solid var(--line);
  background: var(--card);
}
/* O iframe do Google e a unica requisicao de terceiros do site. Veio a pedido
   do cliente, que queria o mapa visivel e nao so um link. loading=lazy mantem
   o custo fora do primeiro carregamento. */
.mapa__frame {
  position: relative;
  align-self: stretch;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  background: var(--paper-2);
  overflow: hidden;
}
.mapa__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.mapa__label {
  margin: 0;
  font: 400 var(--label)/1.3 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.mapa__end { margin: 0; font: 600 24px/1.25 var(--font-display); letter-spacing: -.025em; }
.mapa__nota { margin: 0; max-width: 40ch; color: var(--muted); }

@media (max-width: 599px) {
  .mapa__btn { width: 100%; }
}
@media (min-width: 480px) {
  .info-list dd { flex-basis: 0; margin-left: auto; text-align: right; }
}
@media (min-width: 900px) {
  .local { padding-block: 120px; }
  .local__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; }
  .mapa { padding: 36px 32px; }
  .mapa__end { font-size: 28px; }
}

/* 05 · Realização e apoio -------------------------------------------------- */
.apoio {
  padding: 80px var(--pad-r) 80px var(--pad-l);
  background: var(--paper-2);
}
.apoio__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px 40px;
  margin-bottom: 48px;
}
.apoio__title { max-width: 20ch; }
.apoio__intro { max-width: 34ch; margin: 0; letter-spacing: .1em; color: var(--muted); }

.tiers { display: grid; grid-template-columns: minmax(0, 1fr); gap: 48px; }
.tier {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding-top: 26px;
  border-top: 1px solid var(--line-2);
}
.tier__label {
  margin: 0 0 8px;
  font: 400 var(--label)/1.3 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.tier__label--orange { color: var(--orange-ink); }
.tier__label--blue { color: var(--blue-ink); }
.tier__info p { max-width: 26ch; margin: 0; font-size: 14px; line-height: 1.5; color: var(--muted); }

.tier__slots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.slot { padding: 24px; border: 1px solid var(--line-2); background: var(--card); }
/* Altura fixa alinha as marcas entre cartoes, apesar das proporcoes diferentes.
   As larguras seguem a propria regua de assinatura, para manter o equilibrio do original. */
.slot__brand { display: flex; align-items: center; min-height: 52px; margin-bottom: 14px; }
.slot__logo { height: auto; }
.logo-ons-cor { width: 150px; aspect-ratio: 299 / 69; }
.logo-uff-cor { width: 123px; aspect-ratio: 246 / 62; }
.logo-onstec-cor { width: 126px; aspect-ratio: 251 / 73; }
.logo-pontte-cor { width: 95px; aspect-ratio: 190 / 76; }
.logo-niteroi-cor { width: 123px; aspect-ratio: 246 / 97; }
.logo-faperj-cor { width: 106px; aspect-ratio: 211 / 83; }
.slot__kicker {
  margin: 0 0 12px;
  font: 500 var(--label)/1.3 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.slot__kicker--green { color: var(--green); }
.slot__kicker--blue { color: var(--blue-ink); }
.slot__kicker--orange { color: var(--orange-ink); }
.slot__name { margin: 0 0 12px; font: 600 30px/1.1 var(--font-display); letter-spacing: -.03em; }
.slot__desc { max-width: 44ch; margin: 0; font-size: 14px; line-height: 1.55; color: var(--muted); }

@media (min-width: 400px) {
  .slot { padding: 26px; }
}
@media (min-width: 900px) {
  .apoio { padding-block: 110px; }
  .tier { grid-template-columns: minmax(0, 240px) minmax(0, 1fr); }
}

/* 06 · Participe ----------------------------------------------------------- */
.cta {
  position: relative;
  overflow: hidden;
  padding: 80px var(--pad-r) 80px var(--pad-l);
  background: var(--blue-deep);
  color: var(--ivory);
  text-align: center;
}
.cta__inner { position: relative; max-width: 1100px; margin: 0 auto; }
.cta .eyebrow { margin-bottom: 24px; color: var(--ivory); }
.cta__title {
  margin: 0 0 26px;
  font: 600 clamp(30px, 9vw, 46px)/.99 var(--font-display);
  letter-spacing: -.035em;
}
.cta__text { max-width: 54ch; margin: 0 auto 40px; font-size: 19px; line-height: 1.5; }

.tracks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
  text-align: left;
}
.track {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 26px 22px;
  border: 1px solid var(--ivory-line);
  background: rgba(244, 242, 236, .05);
}
/* Marfim, e não --orange-soft: sobre o azul do CTA o laranja claro dá 3.1:1, abaixo do mínimo.
   É também o que .cta .eyebrow e .cta__facts dt já usam nesta seção. */
.track__kicker {
  margin: 0;
  font: 500 var(--label)/1.3 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ivory);
}
.track__name { margin: 0; font: 600 28px/1.05 var(--font-display); letter-spacing: -.03em; }
.track__desc { max-width: 46ch; margin: 0; font-size: 15px; line-height: 1.55; color: var(--ivory-88); }
.track__desc strong { color: var(--ivory); }

/* Inscrição única: o botão saiu de dentro dos cards e virou um só, abaixo dos dois. */
.cta__action { margin: 0 0 40px; }

.cta__note { max-width: 62ch; margin: 0 auto; color: var(--ivory-88); }

.cta__facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 28px;
  margin: 0 0 40px;
  padding: 26px 0;
  border-block: 1px solid rgba(244, 242, 236, .6);
}
.cta__facts dt {
  margin: 0 0 8px;
  font: 400 var(--label)/1.3 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.cta__facts dd { margin: 0; font: 600 22px/1.15 var(--font-display); letter-spacing: -.025em; }
.cta__city { white-space: nowrap; }

@media (max-width: 319px) {
  .cta__facts dd { font-size: 19px; }
  .track__name { font-size: 24px; }
}
@media (max-width: 479px) {
  .cta__sep { display: none; }
  .cta__city { display: block; }
}
@media (max-width: 599px) {
  .cta__action .btn { width: 100%; }
}
@media (min-width: 600px) {
  .cta__facts dd { font-size: 26px; }
}
@media (min-width: 720px) {
  .tracks { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
}
@media (min-width: 900px) {
  .cta { padding-block: 132px; }
  .cta__title { font-size: clamp(38px, 5vw, 82px); }
  .cta__facts { gap: 28px 72px; }
  .track { padding: 32px 28px; }
  .track__name { font-size: 32px; }
}

/* Rodapé ------------------------------------------------------------------- */
.site-footer {
  padding: 72px var(--pad-r) 56px var(--pad-l);
  background: var(--graphite);
  color: var(--ivory);
}
.footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px 28px;
  padding-bottom: 40px;
}
.brand--footer .brand__mark { height: 72px; }
.brand--footer .brand__title { font-size: 22px; white-space: normal; }
.brand--footer .brand__sub { display: block; font-size: 10px; letter-spacing: .1em; white-space: normal; }
.brand--footer .brand__band { font-size: 10px; }

.footer__nav ul { display: flex; flex-wrap: wrap; gap: 4px 26px; margin: 0; padding: 0; list-style: none; }
/* Área de toque ampliada sem alterar o espaçamento visual */
.footer__nav a,
.footer__bottom a {
  display: block;
  padding: 15px 4px;
  margin: -15px -4px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  transition: color .2s ease;
}
.footer__nav a { font-size: 11.5px; letter-spacing: .12em; color: var(--on-dark-2); }
.footer__nav a:hover,
.footer__bottom a:hover { color: #fff; }

.footer__info {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 40px 0;
  border-top: 1px solid rgba(244, 242, 236, .14);
}
.footer__info p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--on-dark); }
.footer__info .footer__tagline { max-width: 32ch; color: var(--on-dark-2); }
.footer__info .footer__strong { margin-bottom: 6px; font-weight: 600; color: var(--ivory); }

.footer__logos {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding: 36px 0;
  border-top: 1px solid rgba(244, 242, 236, .14);
}
.logo-group { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; }
.logo-group__label {
  margin: 0;
  font: 400 var(--label)/1.3 var(--font-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--on-dark);
}
.logo-group__items { display: flex; flex-wrap: wrap; align-items: center; gap: 24px 36px; }
.logo-group__items a { padding-block: 4px; margin-block: -4px; }
/* aspect-ratio explícito: reserva o espaço antes do carregamento lazy (o Chrome não considera width/height do HTML quando o CSS usa height: auto) */
.logo-group__items img { height: auto; }
.logo-ons { width: 184px; aspect-ratio: 278 / 65; }
.logo-uff { width: 90px; aspect-ratio: 180 / 91; }
.logo-niteroi { width: 143px; aspect-ratio: 286 / 115; }
.logo-onstec { width: 136px; aspect-ratio: 320 / 93; }
.logo-pontte { width: 116px; aspect-ratio: 264 / 106; }
.logo-faperj { width: 112px; aspect-ratio: 244 / 96; }

.footer__credit {
  margin: 0;
  padding: 28px 0;
  border-top: 1px solid rgba(244, 242, 236, .14);
  font-size: 15px;
  line-height: 1.6;
  color: var(--on-dark-2);
}
.footer__credit strong { color: var(--ivory); text-transform: uppercase; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(244, 242, 236, .14);
}
.footer__bottom p,
.footer__bottom a { font: 400 11px/1.3 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark); }
.footer__bottom p { margin: 0; }
.footer__bottom ul { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0; padding: 0; list-style: none; }

@media (max-width: 339px) {
  .brand--footer .brand__mark { height: 60px; }
  .brand--footer .brand__title { font-size: 18px; }
  .brand--footer .brand__sub { font-size: 9px; letter-spacing: .08em; }
  .brand--footer .brand__band { font-size: 9px; }
}
@media (max-width: 379px) {
  .logo-group__items { gap: 20px 24px; }
  .logo-ons { width: 160px; }
  .logo-uff { width: 78px; }
  .logo-niteroi { width: 122px; }
  .logo-onstec { width: 120px; }
  .logo-pontte { width: 102px; }
  .logo-faperj { width: 98px; }
}
@media (max-width: 319px) {
  .logo-ons { width: 140px; }
  .logo-uff { width: 68px; }
  .logo-niteroi { width: 108px; }
  .logo-onstec { width: 106px; }
  .logo-pontte { width: 90px; }
  .logo-faperj { width: 86px; }
}
@media (min-width: 720px) {
  .footer__info { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
}
@media (min-width: 900px) {
  .site-footer { padding-top: 90px; }
  .brand--footer { gap: 16px; }
  .brand--footer .brand__text { gap: 7px; }
  .brand--footer .brand__mark { height: 96px; }
  .brand--footer .brand__title { font-size: 26px; }
  .brand--footer .brand__sub { font-size: 11px; }
  .brand--footer .brand__band { font-size: 11px; padding: 5px 10px; }
  /* Realização tem o dobro de marcas da parceria: a coluna maior evita que a quarta logo caia sozinha numa segunda linha */
  .footer__logos { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 0; }
  .logo-group + .logo-group { padding-left: 40px; border-left: 1px solid rgba(244, 242, 236, .14); }
}
@media (min-width: 1200px) {
  .logo-group { grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 24px; }
  .logo-group__items { justify-content: center; gap: 24px 40px; }
  .logo-group + .logo-group { padding-left: 44px; }
}

/* Barra fixa (celular) e voltar ao topo ------------------------------------ */
.mobile-bar {
  position: fixed;
  inset: auto 0 0;
  z-index: 60;
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 12px max(16px, env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  border-top: 1px solid var(--ivory-line);
  background: rgba(22, 27, 20, .96);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.mobile-bar .btn { min-height: 50px; padding: 6px 12px; font-size: 15px; overflow-wrap: anywhere; }
.mobile-bar .btn--outline { border-color: rgba(244, 242, 236, .32); font-weight: 600; }

.to-top {
  position: fixed;
  right: max(24px, env(safe-area-inset-right));
  bottom: 24px;
  z-index: 55;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 4px;
  background: var(--orange);
  color: var(--ink-btn);
  box-shadow: 0 8px 24px rgba(20, 24, 20, .22);
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s, filter .25s ease;
}
.is-scrolled .to-top { opacity: 1; visibility: visible; transform: none; }
@media (hover: hover) {
  .is-scrolled .to-top:hover { transform: translateY(-2px); filter: brightness(1.08); }
}

/* Modo "barra fixa": celular em pé. O CTA do topo migra para a barra inferior. */
@media (max-width: 479px), (max-width: 599px) and (min-height: 501px) {
  .header-cta { display: none; }
  .mobile-bar { display: grid; }
  .to-top { right: max(16px, env(safe-area-inset-right)); bottom: calc(86px + env(safe-area-inset-bottom)); }
  .hero { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
  .site-footer { padding-bottom: calc(110px + env(safe-area-inset-bottom)); }
}

/* Respiro entre seções ----------------------------------------------------- */
/* De "Propósito" até "Local" o fundo é sempre --paper. Sem troca de cor para
   separar uma seção da outra, os 80/120px de cada lado viram um vão de 160/240px
   e a página parece cortada ao meio. Metade separa igual e aperta a leitura.
   Fica aqui, depois das regras de cada seção, para vencer por ordem de origem. */
.temas { padding-bottom: 56px; }
.schedule { padding-block: 56px; }
.local { padding-block: 56px; }

/* Onde o fundo muda, o respiro cheio continua: é a troca de cor que marca o corte. */
@media (min-width: 900px) {
  .temas { padding-bottom: 68px; }
  .schedule { padding-block: 68px; }
  .local { padding-block: 68px; }
}

/* Agora o selo leva para a seção de inscrição */
@media (hover: hover) {
  .status:hover { background: rgba(143, 182, 63, .3); }
}

/* Animações ---------------------------------------------------------------- */
@keyframes rise-in { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes flow { to { stroke-dashoffset: -1200; } }
@keyframes flow-rev { to { stroke-dashoffset: 1200; } }
@keyframes pulse { 0%, 100% { opacity: .4; transform: scale(1); } 50% { opacity: 1; transform: scale(1.35); } }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Pausa animações fora da tela (classe aplicada via JS) */
.is-paused,
.is-paused * { animation-play-state: paused !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}