:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.40);
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.40);
  --success-wpp: #25d366;
  --success-wpp-hover: #20ba5a;
  --bg-dark: #070b14;
  --card-bg: rgba(15, 23, 42, 0.58);
  --card-border: rgba(255, 255, 255, 0.18);
  --text-main: #ffffff;
  --text-muted: #cbd5e1;
  --nav-bg: rgba(7, 11, 20, 0.62);
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Foto aérea da escola como fundo - Mais clara e nítida */
.hero-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: url('../img/ETI_anisio.png'), url('assets/img/ETI_anisio.png'), url('imagens/ETI_anisio.png'), url('ETI_anisio.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  filter: brightness(0.92) contrast(1.06) saturate(1.08);
  transform: scale(1.02);
  transition: transform 12s ease-out;
}

/* Gradiente de sobreposição mais transparente e suave */
.hero-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: radial-gradient(circle at center top, rgba(15, 23, 42, 0.16) 0%, rgba(7, 11, 20, 0.45) 55%, rgba(7, 11, 20, 0.78) 100%);
  pointer-events: none;
}

/* Conteúdo principal em primeiro plano */
.portal-wrapper {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Navbar */
.navbar {
  width: 100%;
  height: 80px;
  padding: 0 2.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background 0.3s ease;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.nav-logo {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
  transition: transform 0.25s ease;
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-titles {
  display: flex;
  flex-direction: column;
}

.nav-title {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1.2;
  text-shadow: 0 2px 6px rgba(0,0,0,0.6);
}

.nav-sub {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Botões da Navbar */
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 12px;
  font-size: 0.93rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  backdrop-filter: blur(8px);
}

/* Botão Sobre (estilo elegante e integrado) */
.btn-sobre {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.28);
}

.btn-sobre:hover, .btn-sobre.active {
  background: rgba(255, 255, 255, 0.24);
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-diario {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.92), rgba(29, 78, 216, 0.95));
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-diario:hover {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  box-shadow: 0 6px 20px var(--primary-glow);
  transform: translateY(-2px);
}

.btn-atividades {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.92), rgba(217, 119, 6, 0.95));
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-atividades:hover {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  box-shadow: 0 6px 20px var(--accent-glow);
  transform: translateY(-2px);
}

/* Hero Center */
.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3.5rem 1.5rem;
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 9999px;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 0.82rem;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.hero-title {
  font-size: clamp(2.3rem, 5.2vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  color: #ffffff;
  text-shadow: 0 4px 24px rgba(0,0,0,0.85), 0 1px 3px rgba(0,0,0,0.9);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2.1vw, 1.25rem);
  color: #f1f5f9;
  max-width: 760px;
  line-height: 1.6;
  margin-bottom: 3rem;
  text-shadow: 0 2px 14px rgba(0,0,0,0.85), 0 1px 3px rgba(0,0,0,0.9);
}

/* Grid de Portais / Cards com Glassmorphism mais translúcido */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  width: 100%;
  max-width: 960px;
  margin-bottom: 2rem;
}

.portal-card {
  background: var(--card-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 2.2rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
}

.portal-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(15, 23, 42, 0.70);
}

.card-diario:hover {
  box-shadow: 0 16px 44px rgba(37, 99, 235, 0.32);
}

.card-atividades:hover {
  box-shadow: 0 16px 44px rgba(245, 158, 11, 0.32);
}

.card-top {
  margin-bottom: 1.8rem;
}

.card-icon-wrapper {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.4rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.icon-diario {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.4), rgba(29, 78, 216, 0.6));
  border: 1px solid rgba(59, 130, 246, 0.5);
  color: #93c5fd;
}

.icon-atividades {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.4), rgba(217, 119, 6, 0.6));
  border: 1px solid rgba(251, 191, 36, 0.5);
  color: #fde68a;
}

.card-title {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
  color: #ffffff;
  text-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

.card-desc {
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.card-action {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 20px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.25s ease;
}

.action-diario {
  background: rgba(37, 99, 235, 0.25);
  border: 1px solid rgba(59, 130, 246, 0.4);
  color: #bfdbfe;
}

.portal-card:hover .action-diario {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.action-atividades {
  background: rgba(245, 158, 11, 0.25);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fef3c7;
}

.portal-card:hover .action-atividades {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* Footer */
.portal-footer {
  width: 100%;
  padding: 1.8rem 2.2rem;
  background: rgba(7, 11, 20, 0.75);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  position: relative;
  z-index: 10;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-school-logo {
  height: 32px;
  width: auto;
  opacity: 0.95;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-link:hover {
  color: #ffffff;
}

/* BOTÃO FLUTUANTE DO WHATSAPP */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--success-wpp);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 9999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45), 0 4px 10px rgba(0, 0, 0, 0.35);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
}

.whatsapp-float:hover {
  background: var(--success-wpp-hover);
  color: #ffffff;
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.60), 0 6px 14px rgba(0, 0, 0, 0.4);
}

.whatsapp-float svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  flex-shrink: 0;
}

.whatsapp-pulse {
  position: absolute;
  inset: -3px;
  border-radius: 9999px;
  border: 2px solid rgba(37, 211, 102, 0.7);
  animation: wppPulse 2.4s infinite;
  pointer-events: none;
}

@keyframes wppPulse {
  0% {
    transform: scale(0.98);
    opacity: 0.9;
  }
  70% {
    transform: scale(1.15);
    opacity: 0;
  }
  100% {
    transform: scale(1.18);
    opacity: 0;
  }
}

/* ===================================================
   ESTILOS ESPECÍFICOS DA PÁGINA SOBRE
   =================================================== */
.sobre-container {
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
}

.sobre-hero-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 3rem 2.5rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  position: relative;
  overflow: hidden;
}

.sobre-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: rgba(37, 99, 235, 0.25);
  border: 1px solid rgba(59, 130, 246, 0.45);
  color: #93c5fd;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.sobre-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.2rem;
  color: #ffffff;
  text-shadow: 0 3px 12px rgba(0,0,0,0.6);
}

.sobre-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #e2e8f0;
  max-width: 880px;
  margin-bottom: 2rem;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.sobre-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.sobre-card {
  background: var(--card-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.sobre-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(15, 23, 42, 0.72);
}

.sobre-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.sobre-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.8rem;
}

.sobre-card-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.sobre-notice-card {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.20), rgba(245, 158, 11, 0.18));
  border: 1px dashed rgba(255, 255, 255, 0.35);
  border-radius: 20px;
  padding: 1.8rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  backdrop-filter: blur(12px);
}

.sobre-notice-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
}

.sobre-contact-section {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 12px 35px rgba(0,0,0,0.4);
}

.sobre-contact-header {
  margin-bottom: 1.8rem;
}

.sobre-contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}

.contact-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 1.2rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: #ffffff;
  transition: all 0.25s ease;
}

.contact-box:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.contact-box.wpp-box {
  border-color: rgba(37, 211, 102, 0.45);
  background: rgba(37, 211, 102, 0.15);
}

.contact-box.wpp-box:hover {
  background: rgba(37, 211, 102, 0.28);
  border-color: rgba(37, 211, 102, 0.85);
}

/* Responsividade */
@media (max-width: 768px) {
  .navbar {
    height: auto;
    padding: 1rem 1.2rem;
    flex-direction: column;
    gap: 1rem;
  }

  .nav-left {
    width: 100%;
    justify-content: center;
  }

  .nav-right {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
  }

  .btn-nav {
    flex: 1 1 auto;
    justify-content: center;
    padding: 9px 14px;
    font-size: 0.88rem;
  }

  .hero-content {
    padding: 2.5rem 1rem;
  }

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

  .portal-footer {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }

  .sobre-container {
    padding: 1.5rem 1rem 4rem;
  }

  .sobre-hero-card {
    padding: 2rem 1.5rem;
  }

  .sobre-notice-card {
    flex-direction: column;
    text-align: center;
  }

  .whatsapp-float span {
    display: none;
  }

  .whatsapp-float {
    padding: 14px;
    bottom: 20px;
    right: 20px;
  }
}