:root {
  --fundo-1: #0b1220;
  --fundo-2: #0f2a3a;
  --texto: #e2e8f0;
  --texto-forte: #ffffff;
  --suave: #cbd5e1;
  --turquesa: #14b8a6;
  --amarelo: #facc15;
  --max: 1180px;
  --raio: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--texto);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background:
    radial-gradient(1100px 560px at 88% -12%, rgba(20, 184, 166, 0.18), transparent 62%),
    radial-gradient(900px 520px at -8% 108%, rgba(250, 204, 21, 0.08), transparent 62%),
    linear-gradient(135deg, var(--fundo-1) 0%, var(--fundo-2) 55%, var(--fundo-1) 100%);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10;
  padding: 0.7rem 1rem;
  border-radius: 0 0 12px 0;
  background: var(--amarelo);
  color: #1a1600;
  font: 700 0.9rem "Montserrat", sans-serif;
  text-decoration: none;
}

.skip:focus {
  left: 0;
}

.topo {
  width: min(var(--max), 100% - 2rem);
  margin: 0 auto;
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topo img {
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 3px 10px rgba(0, 0, 0, 0.45));
}

.escola {
  margin: 0;
  color: var(--suave);
  font: 700 0.72rem/1.2 "Montserrat", sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.evento {
  margin: 0.25rem 0 0;
  color: var(--texto-forte);
  font: 800 clamp(1.1rem, 2.2vw, 1.5rem)/1.1 "Montserrat", sans-serif;
}

.evento span {
  color: var(--amarelo);
}

main {
  flex: 1;
  width: min(var(--max), 100% - 2rem);
  margin: 0 auto;
  padding: 2.5rem 0 3rem;
}

.hero {
  max-width: 940px;
  padding: 0.5rem 0 2.5rem;
}

.kicker {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(250, 204, 21, 0.28);
  border-radius: 999px;
  background: rgba(250, 204, 21, 0.08);
  color: var(--amarelo);
  font: 700 0.78rem/1.2 "Montserrat", sans-serif;
  letter-spacing: 0.07em;
}

.hero h1 {
  margin: 1rem 0 0.85rem;
  color: var(--texto-forte);
  font: 800 clamp(2.2rem, 6vw, 4.5rem)/1.02 "Montserrat", sans-serif;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: var(--turquesa);
}

.sub {
  max-width: 62ch;
  margin: 0;
  color: var(--suave);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.65;
}

.projetos h2,
.instrucoes h2,
.aviso h1 {
  margin: 0;
  color: var(--texto-forte);
  font: 800 clamp(1.35rem, 2.6vw, 1.9rem)/1.15 "Montserrat", sans-serif;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.card {
  --cor: var(--turquesa);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.35rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-top: 5px solid var(--cor);
  border-radius: var(--raio);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.16s ease,
    background 0.16s ease,
    border-color 0.16s ease,
    box-shadow 0.16s ease;
}

.card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -50px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--cor);
  opacity: 0.14;
  filter: blur(30px);
  pointer-events: none;
}

.card:hover,
.card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cor);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
  outline: none;
}

.card:focus-visible {
  box-shadow:
    0 0 0 3px var(--amarelo),
    0 14px 34px rgba(0, 0, 0, 0.28);
}

.card-topo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.icone {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--cor);
  color: #fff;
  font: 800 0.82rem "Montserrat", sans-serif;
  letter-spacing: 0.03em;
  box-shadow: 0 5px 14px rgba(0, 0, 0, 0.28);
}

.card h3 {
  margin: 0;
  color: var(--texto-forte);
  font: 800 1.22rem/1.12 "Montserrat", sans-serif;
}

.resumo {
  margin: 0.18rem 0 0;
  color: var(--suave);
  font: 600 0.82rem/1.25 "Inter", sans-serif;
}

.desc {
  margin: 0.15rem 0 0;
  color: #b6c2d2;
  font-size: 0.95rem;
  line-height: 1.55;
}

.abrir {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.9rem;
  color: var(--cor);
  font: 700 0.82rem "Montserrat", sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.instrucoes {
  margin-top: 2.5rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid rgba(20, 184, 166, 0.26);
  border-radius: var(--raio);
  background: rgba(20, 184, 166, 0.07);
}

.instrucoes h2 {
  margin-bottom: 0.4rem;
  font-size: 1.1rem;
}

.instrucoes p {
  margin: 0;
  color: var(--suave);
  line-height: 1.65;
}

footer {
  width: min(var(--max), 100% - 2rem);
  margin: 0 auto;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #94a3b8;
  font-size: 0.82rem;
  line-height: 1.6;
}

footer p {
  margin: 0.15rem 0;
}

.aviso {
  max-width: 660px;
  margin: 2rem auto;
  padding: 2rem 0;
  text-align: center;
}

.aviso .icone-grande {
  width: 74px;
  height: 74px;
  margin: 0 auto 1.25rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(250, 204, 21, 0.35);
  border-radius: 50%;
  background: rgba(250, 204, 21, 0.12);
  color: var(--amarelo);
  font: 800 1.35rem "Montserrat", sans-serif;
}

.aviso p {
  margin: 0.9rem 0 0;
  color: var(--suave);
  line-height: 1.7;
}

.botao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.6rem;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  background: var(--turquesa);
  color: #06201c;
  font: 800 0.88rem "Montserrat", sans-serif;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.botao:hover,
.botao:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.08);
  outline: 3px solid var(--amarelo);
  outline-offset: 3px;
}

@media (max-width: 640px) {
  .topo {
    padding: 1rem 0;
  }

  .topo img {
    width: 48px;
    height: 48px;
  }

  .escola {
    font-size: 0.62rem;
    letter-spacing: 0.13em;
  }

  main {
    padding-top: 1.5rem;
  }

  .hero {
    padding-bottom: 2rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}