/* -------- VARIÁVEIS CSS -------- */
:root {
  /* Cores principais */
  --color-primary: #6d9aff;
  --color-secondary: #bfaaff;
  --color-accent: #7db2ff;
  --color-white: #ffffff;
  --color-text-primary: #ffffff;
  --color-text-secondary: #e0e0ff;
  --color-text-muted: #cfd6f3;
  --color-text-light: #dfe4f5;

  /* Backgrounds */
  --bg-gradient-start: #1a2b72;
  --bg-gradient-end: #0c1158;
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.1);

  /* Bordas */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;

  /* Sombras */
  --shadow-glow-sm: 0 0 10px rgba(255, 255, 255, 0.2);
  --shadow-glow-md: 0 0 20px rgba(255, 255, 255, 0.4);
  --shadow-glow-lg: 0 0 30px rgba(255, 255, 255, 0.5);
  --shadow-button: 0 0 12px rgba(191, 170, 255, 0.5);
  --shadow-button-hover: 0 0 20px rgba(191, 170, 255, 0.8);

  /* Espaçamentos */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* -------- CONFIGURAÇÃO BASE -------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: radial-gradient(circle at center, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  background-attachment: fixed;
  color: var(--color-text-primary);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* -------- CABEÇALHO -------- */
header {
  width: 100%;
  padding: 1.3rem 4%;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  z-index: 100;
  transition: background var(--transition-fast);
}

header:hover {
  background: rgba(255, 255, 255, 0.08);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.02);
}

.logo .icon {
  font-size: 1.5rem;
  color: var(--color-white);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5), 0 0 20px rgba(255, 255, 255, 0.3);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5), 0 0 20px rgba(255, 255, 255, 0.3);
  }
  50% {
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.7), 0 0 30px rgba(255, 255, 255, 0.5);
  }
}

.logo h1 {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
}

nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width var(--transition-medium);
}

nav a:hover,
nav a.active {
  color: var(--color-accent);
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

nav a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.btn {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border: none;
  color: var(--color-white);
  padding: 0.6rem 1.3rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-button);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--transition-slow);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-button-hover);
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
}

/* -------- HERO / PÁGINA INICIAL -------- */
.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: radial-gradient(circle at center, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(109, 154, 255, 0.15) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -55%) scale(1.1);
  }
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-icon {
  font-size: 4.5rem;
  color: var(--color-white);
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.8), 0 0 40px rgba(255, 255, 255, 0.5);
  margin-bottom: var(--spacing-sm);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.hero h2 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  margin-bottom: var(--spacing-sm);
  color: var(--color-white);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
  font-weight: 700;
  letter-spacing: -0.5px;
}

.hero p {
  color: var(--color-text-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero .btn {
  margin-top: var(--spacing-sm);
  font-size: 1.05rem;
  padding: 0.75rem 1.8rem;
}

/* -------- DIVISÓRIA -------- */
.divider {
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  margin: 0.7rem auto 1.5rem auto;
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(191, 170, 255, 0.5);
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* -------- SEÇÃO DE NOTÍCIAS -------- */
.news-hero {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-sm);
}

.news-header {
  max-width: 800px;
  margin: 0 auto 3rem auto;
  animation: fadeInUp 0.6s ease-out;
}

.news-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
  font-weight: 700;
}

.news-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.news-grid {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto 5rem auto;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-glow-sm);
  animation: fadeInUp 0.6s ease-out backwards;
}

.news-item:nth-child(1) {
  animation-delay: 0.1s;
}
.news-item:nth-child(2) {
  animation-delay: 0.2s;
}
.news-item:nth-child(3) {
  animation-delay: 0.3s;
}
.news-item:nth-child(4) {
  animation-delay: 0.4s;
}

.news-item:hover {
  transform: translateY(-6px) scale(1.01);
  background: var(--bg-glass-hover);
  box-shadow: var(--shadow-glow-md);
  border-color: rgba(255, 255, 255, 0.15);
}

.news-thumbnail {
  font-size: 2.5rem;
  opacity: 0.85;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.news-item:hover .news-thumbnail {
  transform: scale(1.1) rotate(5deg);
}

.news-content {
  flex: 1;
}

.news-content h3 {
  color: var(--color-white);
  margin-bottom: 0.4rem;
  font-size: 1.2rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.news-item:hover .news-content h3 {
  color: var(--color-accent);
}

.news-content .date {
  color: #9fb0d6;
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
  font-weight: 500;
  opacity: 0.8;
}

.news-content .preview {
  color: var(--color-text-light);
  line-height: 1.7;
  font-size: 0.95rem;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.8rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.read-more::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.read-more:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.read-more:hover::after {
  transform: translateX(4px);
}

.news-item.empty {
  justify-content: center;
  text-align: center;
  color: #b5c0dd;
  font-style: italic;
  border-style: dashed;
  padding: var(--spacing-xl);
  opacity: 0.7;
}

/* -------- PÁGINAS DE COMUNIDADE / RECURSOS -------- */
.section-page {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-sm) 6rem var(--spacing-sm);
  animation: fadeInUp 0.6s ease-out;
}

.section-page h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: var(--spacing-sm);
  color: var(--color-white);
  font-weight: 700;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.section-page p {
  color: var(--color-text-muted);
  max-width: 750px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.7;
  font-size: 1.05rem;
}

.section-content {
  width: 90%;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-glow-sm);
  text-align: left;
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out backwards;
}

.card:nth-child(1) {
  animation-delay: 0.1s;
}
.card:nth-child(2) {
  animation-delay: 0.2s;
}
.card:nth-child(3) {
  animation-delay: 0.3s;
}
.card:nth-child(4) {
  animation-delay: 0.4s;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transition: left var(--transition-slow);
}

.card:hover {
  transform: translateY(-6px);
  background: var(--bg-glass-hover);
  box-shadow: var(--shadow-glow-md);
  border-color: rgba(255, 255, 255, 0.15);
}

.card:hover::before {
  left: 100%;
}

.card h3 {
  margin-bottom: 0.6rem;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.card:hover h3 {
  color: var(--color-accent);
}

.card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

/* -------- RODAPÉ -------- */
footer {
  margin-top: auto;
  text-align: center;
  padding: var(--spacing-lg);
  font-size: 0.9rem;
  color: #a5aecf;
  background: var(--bg-glass);
  border-top: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}

footer a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

footer a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* -------- RESPONSIVIDADE -------- */
@media (max-width: 768px) {
  header {
    padding: 1rem 3%;
    flex-wrap: wrap;
    gap: 1rem;
  }

  nav {
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    width: 100%;
  }

  .hero {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .hero-icon {
    font-size: 3.5rem;
  }

  .news-item {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .news-thumbnail {
    font-size: 3rem;
  }

  .news-grid,
  .section-content {
    width: 95%;
  }

  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .logo h1 {
    font-size: 1.1rem;
  }

  nav a {
    font-size: 0.85rem;
  }

  .hero h2 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .news-header h2,
  .section-page h2 {
    font-size: 1.6rem;
  }
}

/* -------- ACESSIBILIDADE -------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* -------- ESTADOS DE FOCO -------- */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* -------- SELEÇÃO DE TEXTO -------- */
::selection {
  background: var(--color-primary);
  color: var(--color-white);
}

::-moz-selection {
  background: var(--color-primary);
  color: var(--color-white);
}

/* -------- SCROLLBAR CUSTOMIZADA -------- */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-gradient-end);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
}