* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0e1217;
  color: #0e1217;
}

/* NAVBAR */
:root {
  --navbar-height: 90px;
}
nav {
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 8px;
  background: #111827;
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 2px rgba(141, 141, 141, 0.607);
}

.logo {
  font-weight: bold;
  letter-spacing: 0.05em;
}
.nav-links {
  display: flex;
  flex-wrap: wrap; /* permite quebrar linha */
  gap: 10px;       /* espaço entre itens */
}


.nav-links a {
  text-decoration: none;
  color: #808080;
  font-size: 22px;
  padding: 8px 12px;
  border-radius: 8px;
}

.nav-links a.active {
  background: rgba(191, 188, 188, 0.5);
  color: #fff;
}

.nav-links a:hover {
  background: #1f2937;
  color: #fff;
}
@keyframes neonPulse {
    0% {
        text-shadow: 0 0 8px #00e5ff55;
    }
    50% {
        text-shadow: 0 0 28px #00e5ffcc;
    }
    100% {
        text-shadow: 0 0 8px #00e5ff55;
    }
}

.nav-links a[data-target="quiz"] {
    font-size: 1.2em;
    padding: 10px 12px;
    color: #00E5FF;
    font-weight: 700;
    border-radius: 6px;
    transition: 0.3s;
    animation: neonPulse 2.2s ease-in-out infinite;
}

.nav-links a[data-target="quiz"]:hover {
    background-color: #00E5FF;
    color: #0e1217;
    transform: scale(1.1);
}
main {
  padding: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.page {
  display: none;
}

.page.active {
  display: block;
  color: #f9f9f9;
}

.subtitle {
  font-size: 14px;
  color: #f9f9f9;
  margin-bottom: 16px;
}

/* HOME (posts) */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.post-card {
  background: #111827;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 6px rgba(183, 181, 181, 0.797);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.post-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(41, 8, 210, 0.697);
}

.post-title {
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.post-excerpt {
  font-size: 18px;
  color: #d4d4d4;
  margin-bottom: 12px;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-badge {
  font-size: 14px;
  padding: 3px 8px;
  border-radius: 999px;
  color: #eae3e3;
}

/* OVERLAY POST */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.65);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.overlay.visible {
  display: flex;
}

.overlay-content {
  margin-top: 30px;
  margin-bottom: 30px;
  background: #000000;
  max-width: 800px;
  max-height: 90vh;
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(41, 8, 210, 0.697);
  position: relative;
  padding: 24px 24px 18px 24px;
  display: flex;
  flex-direction: column;
}

.overlay-close {
  position: absolute;
  right: 16px;
  top: 12px;
  border: none;
  background: transparent;
  font-size: 40px;
  cursor: pointer;
  color:rgba(255, 255, 255, 0.48);
}

.overlay-close:hover {
    border-radius: 8px;
   background: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.overlay-title {
  font-size: 22px;
  margin: 0 32px 8px 0;
  color: #fff;
}

.overlay-tags {
  margin-bottom: 8px;
}

.overlay-body {
  margin-top: 8px;
  font-size: 14px;
  color: #dbdbdb;
  overflow-y: auto;
  padding-right: 8px;
   line-height: 1.6;
}

.overlay-nav {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  color: #f9fafb;
}

.overlay-nav-buttons button {
  padding: 6px 12px;
  cursor: pointer;
  background-color: transparent;
  color: #e5e7eb;
  border-color: transparent;
  font-size: 22px;
  margin-left: 8px;
}

.overlay-nav-buttons button:hover {
    border-radius: 8px;
   background: rgba(255, 255, 255, 0.5);
  color: #fff;
}

/* QUIZ */
#quizContainer {
  background: #111827;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 14px;
  opacity: 0.85;
}

.category-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  color: #ffffff;
  font-size: 12px;
  font-weight: bold;
}

.question {
  font-size: 18px;
  margin-bottom: 12px;
}

.options button {
  width: 100%;
  padding: 10px;
  margin: 6px 0;
  cursor: pointer;
  border-radius: 15px;
  border: 2px solid #d1d5db;
  text-align: left;
  background: #f9fafb;
  color:#000000;
  font-size: 14px;
}

.options button:disabled {
  opacity: 0.85;
  cursor: default;
}

.quiz-media {
  max-width: 100%;
  margin: 15px 0;
  border-radius: 6px;
}

#startBtn,
#nextBtn,
#restartBtn {
  padding: 10px 20px;
  margin-top: 20px;
  cursor: pointer;
  border-radius: 999px;
  border: none;
  background: rgba(255, 255, 255, 0.5);
  color: #fff;
  font-size: 14px;
}

#startBtn,
#nextBtn,
#restartBtn {
  padding: 10px 20px;
  margin-top: 20px;
  cursor: pointer;
  border-radius: 999px;
  border: none;
  background: rgba(255, 255, 255, 0.5);
  color: #fff;
  font-size: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#startBtn:hover,
#nextBtn:hover,
#restartBtn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(41, 8, 210, 0.697);
}

#nextBtn,
#restartBtn {
  margin-left: 10px;
  background: #4b5563;
}

@media (max-width: 640px) {
  main {
    padding: 16px;
  }
  .overlay-content {
    margin: 0 8px;
  }
}

/* animation pointers 13fps 10x slower and 24fps and 60 fps */
.pointers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 20px 0;
    text-align: center;
}

.pointer-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 60px;
}

.pointer {
    width: 4px;
    height: 50px;
    background: rgb(244, 244, 244);
    margin: 10px auto;
    transform-origin: bottom center;
}

.pointer15 {
    animation: rotate24 1s steps(15) infinite;
}

@keyframes rotate24 {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.pointer60 {
    animation: rotate60 1s steps(60) infinite;
}

@keyframes rotate60 {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.pointer5 {
    animation: rotate13 1s steps(5) infinite;
}

@keyframes rotate13 {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}