@import url('https://fonts.googleapis.com/css?family=Rubik:400,500,700&display=swap');

/* Reset e base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html, body {
  width: 100%;
  min-height: 100vh;
  font-family: 'Rubik', 'Inter', 'Nunito Sans', Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  scroll-behavior: smooth;
  /* Textura suave de fundo */
  background: linear-gradient(135deg, #18181b 0%, #23232a 100%), url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" fill="none" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="%2318181b"/><circle cx="50" cy="50" r="1.5" fill="%2323232a"/><circle cx="80" cy="20" r="1" fill="%2323232a"/><circle cx="20" cy="80" r="1" fill="%2323232a"/></svg>');
  background-size: cover, 120px 120px;
  color: #fff;
}
body, html {
  transition: background 0.5s cubic-bezier(.4,2,.6,1), color 0.5s cubic-bezier(.4,2,.6,1);
}

/* Scrollbar estilizada */
html::-webkit-scrollbar, body::-webkit-scrollbar {
  width: 12px;
  background: #18181b;
}
html::-webkit-scrollbar-thumb, body::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #23232a 40%, #4b4bff 100%);
  border-radius: 8px;
  border: 2px solid #18181b;
  transition: background 0.2s;
}
html::-webkit-scrollbar-thumb:hover, body::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #4b4bff 0%, #23232a 100%);
}
html::-webkit-scrollbar-track, body::-webkit-scrollbar-track {
  background: #18181b;
  border-radius: 8px;
}
/* Firefox */
html {
  scrollbar-width: thin;
  scrollbar-color: #4b4bff #18181b;
}

/* Logo em fundo branco centralizado */
.header {
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0 0 0;
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
}
.logo-container {
  /* Removido o círculo e padding extra */
  background: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  margin-bottom: 12px;
}
.logo {
  width: 180px;
  max-height: 72px;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  transition: transform 0.3s cubic-bezier(.4,2,.6,1), filter 0.3s;
}
.logo.efeito-secreto {
  animation: logoSecreta 1.2s cubic-bezier(.4,2,.6,1);
}
@keyframes logoSecreta {
  0% { filter: brightness(1) drop-shadow(0 0 0 #4b4bff00); transform: scale(1) rotate(0deg); }
  20% { filter: brightness(1.5) drop-shadow(0 0 24px #4b4bffcc); transform: scale(1.12) rotate(-8deg); }
  50% { filter: brightness(2) drop-shadow(0 0 48px #4b4bff); transform: scale(1.18) rotate(8deg); }
  80% { filter: brightness(1.5) drop-shadow(0 0 24px #4b4bffcc); transform: scale(1.12) rotate(-8deg); }
  100% { filter: brightness(1) drop-shadow(0 0 0 #4b4bff00); transform: scale(1) rotate(0deg); }
}
@media (max-width: 600px) {
  .logo {
    width: 120px;
  }
}
.logo:hover, .logo:focus {
  transform: scale(1.07) rotate(-2deg);
  filter: drop-shadow(0 0 16px #4b4bff88);
}

/* Menu minimalista centralizado */
.menu {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 8px;
  margin-bottom: 8px;
}
.menu ul {
  list-style: none;
  display: flex;
  gap: 18px;
  padding: 0;
  margin: 0;
  align-items: center;
}
.menu a {
  text-decoration: none;
  color: #18181b;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1.5px;
  padding: 8px 18px;
  position: relative;
  transition: color 0.2s, background 0.2s, box-shadow 0.2s, letter-spacing 0.2s;
  outline: none;
}
.menu a.active, .menu a:focus, .menu a:hover {
  color: #fff;
  background: #23232a;
  border-radius: 8px;
  padding: 8px 18px;
}
.menu a:focus {
  box-shadow: 0 0 0 2px #fff, 0 0 8px #4b4bff;
}
.menu a:hover, .menu a:focus, .menu a.active {
  letter-spacing: 3px;
  box-shadow: 0 2px 12px #4b4bff22;
}

/* Seções principais */
.section {
  max-width: 1100px;
  margin: 64px auto 0 auto;
  padding: 48px 36px;
  background: #23232a;
  border-radius: 32px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeInSection 1.1s cubic-bezier(.4,2,.6,1);
}
@keyframes fadeInSection {
  from { opacity: 0; transform: translateY(60px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.home-section h1 {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: 4px;
  color: #fff;
  margin-bottom: 18px;
  text-align: center;
  text-transform: uppercase;
  background: none !important;
  -webkit-background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
  background-clip: initial !important;
  text-fill-color: initial !important;
  color: #fff !important;
  transition: none !important;
}
.home-section p {
  color: #e0e0e0;
  font-size: 1.2rem;
  text-align: center;
  margin-bottom: 32px;
}
.features {
  display: flex;
  justify-content: center;
  gap: 56px;
  margin-top: 32px;
}
.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  background: #18181b;
  border-radius: 18px;
  padding: 24px 18px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.18);
  min-width: 140px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature span, .feature h3 {
  margin: 0;
  padding: 0;
  font-size: 1.1rem;
  color: #fff;
}
.feature h3 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.feature:hover, .feature:focus {
  transform: translateY(-8px) scale(1.07);
  box-shadow: 0 8px 32px rgba(255,255,255,0.08);
}

.projetos-section h2, .contato-section h2, .admin-section h2 {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 32px;
  color: #fff;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-align: center;
  animation: fadeInTitle 1.2s cubic-bezier(.4,2,.6,1);
  transition: text-shadow 0.3s;
  text-shadow: 0 2px 24px #0008;
}
@keyframes fadeInTitle {
  from { opacity: 0; letter-spacing: 24px; filter: blur(8px); }
  to { opacity: 1; letter-spacing: 2px; filter: blur(0); }
}

.projetos-filtros {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}
#filtro-busca {
  background: #18181b;
  color: #fff;
  border: 1.5px solid #444;
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 1.1rem;
  width: 100%;
  max-width: 340px;
  outline: none;
  transition: border 0.2s;
}
#filtro-busca:focus {
  border: 1.5px solid #fff;
  box-shadow: 0 0 0 2px #fff, 0 0 8px #4b4bff;
}

.projetos-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  width: 100%;
  justify-items: center;
  align-items: start;
  justify-content: center;
}
.projetos-item {
  background: #18181b;
  border-radius: 18px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.18), 0 0 24px 0 #4b4bff11;
  padding: 24px 20px 20px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  transition: box-shadow 0.2s, transform 0.2s;
  min-height: 340px;
  max-width: 320px;
  width: 100%;
  position: relative;
  overflow: hidden;
}
.projetos-item::after {
  content: '';
  position: absolute;
  left: 0; top: 0; right: 0; bottom: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 60%, #4b4bff22 100%);
  opacity: 0;
  transition: opacity 0.3s;
}
.projetos-item:hover::after, .projetos-item:focus-within::after {
  opacity: 1;
}
.projetos-item:hover, .projetos-item:focus-within {
  box-shadow: 0 12px 48px rgba(75,75,255,0.18), 0 4px 16px rgba(0,0,0,0.25);
  transform: translateY(-8px) scale(1.04);
  background: linear-gradient(135deg, #1a1a22 0%, #23232a 100%);
  border: 1px solid rgba(75,75,255,0.2);
  transition: all 0.4s cubic-bezier(.4,2,.6,1);
}

/* Modo Focus - Destaque especial */
.projetos-item.focus-mode {
  position: relative;
  z-index: 10;
  background: linear-gradient(135deg, #1a1a22 0%, #23232a 100%);
  border: 2px solid #4b4bff;
  box-shadow: 
    0 16px 64px rgba(75,75,255,0.25),
    0 8px 32px rgba(0,0,0,0.3),
    0 0 0 1px rgba(75,75,255,0.1);
  transform: translateY(-12px) scale(1.06);
  transition: all 0.5s cubic-bezier(.4,2,.6,1);
}

.projetos-item.focus-mode::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, #4b4bff, #23232a, #4b4bff);
  border-radius: 20px;
  z-index: -1;
  opacity: 0.3;
  animation: focusGlow 2s ease-in-out infinite alternate;
}

@keyframes focusGlow {
  0% { opacity: 0.2; }
  100% { opacity: 0.4; }
}

/* Zoom suave nas imagens no modo focus */
.projetos-item.focus-mode .carrossel-img {
  transform: scale(1.08);
  transition: transform 0.4s cubic-bezier(.4,2,.6,1);
}

/* Informações expandidas no modo focus */
.projetos-item.focus-mode h4 {
  font-size: 1.3rem;
  color: #4b4bff;
  text-shadow: 0 0 8px rgba(75,75,255,0.3);
  transition: all 0.3s ease;
}

.projetos-item.focus-mode p {
  font-size: 1.1rem;
  color: #fff;
  line-height: 1.6;
  transition: all 0.3s ease;
}
.projetos-item img {
  width: 100%;
  max-width: 240px;
  height: 160px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.projetos-item h4 {
  margin: 0 0 12px 0;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  text-align: center;
  line-height: 1.3;
}
.projetos-item p {
  font-size: 1rem;
  color: #e0e0e0;
  text-align: center;
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}
.projetos-item button {
  margin-top: auto;
  background: #23232a;
  color: #fff;
  border: 1.5px solid #fff;
  border-radius: 8px;
  padding: 8px 22px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border 0.2s, box-shadow 0.2s, transform 0.18s;
  box-shadow: 0 2px 8px rgba(75,75,255,0.08);
  align-self: center;
}
.projetos-item button:hover, .projetos-item button:focus {
  background: #fff;
  color: #18181b;
  border: 1.5px solid #4b4bff;
}


.contato-section {
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
}
.contato-info {
  flex: 1;
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 18px;
}
.contato-info p {
  margin: 8px 0;
  color: #e0e0e0;
}

/* Formulário de contato (exemplo visual) */
.contato-form {
  flex: 1;
  background: #18181b;
  border-radius: 18px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.18);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contato-form input, .contato-form textarea {
  background: #23232a;
  color: #fff;
  border: 1.5px solid #444;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 1rem;
  outline: none;
  transition: border 0.2s, box-shadow 0.2s;
}
.contato-form input:focus, .contato-form textarea:focus {
  border: 1.5px solid #fff;
  box-shadow: 0 0 0 2px #fff, 0 0 8px #4b4bff;
}
input:focus, textarea:focus {
  border: 1.5px solid #4b4bff;
  box-shadow: 0 0 0 2px #4b4bff44;
}
.contato-form button {
  background: #fff;
  color: #18181b;
  border: none;
  border-radius: 8px;
  padding: 12px 0;
  font-weight: 800;
  font-size: 1.1rem;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.2s, color 0.2s;
}
.contato-form button:hover, .contato-form button:focus {
  background: #4b4bff;
  color: #fff;
}

.admin-section {
  text-align: center;
  background: #23232a;
}
#admin-login input {
  padding: 10px 16px;
  border-radius: 8px;
  border: 1.5px solid #444;
  margin-right: 8px;
  font-size: 1rem;
  background: #18181b;
  color: #fff;
  outline: none;
  transition: border 0.2s;
}
#admin-login input:focus {
  border: 1.5px solid #fff;
  box-shadow: 0 0 0 2px #fff, 0 0 8px #4b4bff;
}
#admin-login button {
  padding: 10px 28px;
  border-radius: 8px;
  border: none;
  background: #fff;
  color: #18181b;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
#admin-login button:hover, #admin-login button:focus {
  background: #4b4bff;
  color: #fff;
}
#admin-panel {
  margin-top: 32px;
}
#project-form input, #project-form textarea {
  display: block;
  width: 90%;
  margin: 12px auto;
  padding: 12px;
  border-radius: 8px;
  border: 1.5px solid #444;
  font-size: 1rem;
  background: #18181b;
  color: #fff;
  outline: none;
  transition: border 0.2s;
}
#project-form input:focus, #project-form textarea:focus {
  border: 1.5px solid #fff;
  box-shadow: 0 0 0 2px #fff, 0 0 8px #4b4bff;
}
#project-form button {
  padding: 12px 32px;
  border-radius: 8px;
  border: none;
  background: #fff;
  color: #18181b;
  font-weight: 700;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.2s, color 0.2s;
}
#project-form button:hover, #project-form button:focus {
  background: #4b4bff;
  color: #fff;
}

.footer {
  text-align: center;
  padding: 40px 0 24px 0;
  color: #888;
  font-size: 1.1rem;
  background: none;
  letter-spacing: 2px;
}

/* Bolinha flutuante admin (oculta) */
.admin-floating {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 40px;
  height: 40px;
  background: rgba(75, 75, 255, 0.1);
  border: 1px solid rgba(75, 75, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 9998;
  transition: all 0.3s ease;
  opacity: 0.3;
  color: rgba(75, 75, 255, 0.6);
}

.admin-floating:hover {
  opacity: 1;
  background: rgba(75, 75, 255, 0.2);
  border-color: rgba(75, 75, 255, 0.6);
  color: rgba(75, 75, 255, 0.9);
  transform: scale(1.1);
}

/* Painel admin flutuante */
.admin-panel-floating {
  position: fixed;
  bottom: 70px;
  left: 20px;
  width: 320px;
  max-height: 80vh;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  z-index: 9999;
  overflow-y: auto;
  animation: slideInAdmin 0.3s ease;
}

@keyframes slideInAdmin {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.admin-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid #333;
  background: #23232a;
  border-radius: 12px 12px 0 0;
}

.admin-panel-header h3 {
  margin: 0;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
}

.admin-close-btn {
  background: none;
  border: none;
  color: #888;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s;
}

.admin-close-btn:hover {
  background: #333;
  color: #fff;
}

#admin-login-floating,
#admin-content-floating {
  padding: 20px;
}

#admin-content-floating h4 {
  color: #fff;
  margin: 0 0 12px 0;
  font-size: 1rem;
  font-weight: 600;
}

#admin-content-floating form {
  margin-bottom: 20px;
}

/* Responsividade para o painel admin */
@media (max-width: 400px) {
  .admin-panel-floating {
    width: 95vw;
    max-width: 95vw;
    left: 2.5vw;
    right: 2.5vw;
    padding: 12px;
  }
  .admin-panel-header h3 {
    font-size: 1.2rem;
  }
  .admin-close-btn {
    width: 32px;
    height: 32px;
    font-size: 1.1rem;
  }
  #admin-content-floating h4 {
    font-size: 1.1rem;
    margin-bottom: 12px;
  }
  #admin-content-floating form {
    gap: 12px;
  }
  #admin-content-floating input,
  #admin-content-floating textarea {
    padding: 8px 10px;
    font-size: 0.9rem;
  }
  #admin-content-floating button {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
  .admin-floating {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }
}

/* Responsividade */
@media (min-width: 1200px) {
  .projetos-list {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    max-width: 1200px;
    margin: 0 auto;
  }
}

@media (max-width: 1100px) {
  .section {
    max-width: 98vw;
    padding: 32px 4vw;
  }
  .projetos-list {
    justify-content: center;
  }
}
@media (max-width: 800px) {
  .section {
    padding: 24px 2vw;
    border-radius: 18px;
  }
  .features {
    flex-direction: column;
    gap: 18px;
  }
  .contato-section {
    flex-direction: column;
    gap: 24px;
  }
  .projetos-list {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    justify-content: center;
  }
  .projetos-item {
    min-height: 320px;
    padding: 20px 16px 16px 16px;
  }
  .logo {
    width: 140px;
    max-height: 56px;
  }
}
@media (max-width: 600px) {
  .header {
    padding: 6px 0 0 0;
    min-height: 36px;
  }
  .logo {
    width: 110px;
    max-height: 44px;
  }
  .menu ul {
    gap: 6px;
  }
  .menu a {
    padding: 5px 8px;
    font-size: 0.9rem;
  }
  .section {
    margin: 16px 0 0 0;
    padding: 16px 3vw;
    border-radius: 8px;
  }
  .home-section h1 {
    font-size: 1.8rem;
    margin-bottom: 16px;
  }
  .home-section p {
    font-size: 1rem;
    margin-bottom: 20px;
  }
  .features {
    gap: 12px;
    margin-top: 20px;
  }
  .feature {
    padding: 16px 12px;
    min-width: 100px;
    font-size: 0.9rem;
  }
  .projetos-section h2, .contato-section h2, .admin-section h2 {
    font-size: 1.6rem;
    margin-bottom: 20px;
  }
  .projetos-filtros {
    margin-bottom: 16px;
  }
  #filtro-busca {
    padding: 10px 14px;
    font-size: 1rem;
    max-width: 280px;
  }
  .projetos-list {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 0 4px;
    justify-content: center;
    max-width: 320px;
    margin: 0 auto;
  }
  .projetos-item {
    min-height: 240px;
    padding: 16px 12px 12px 12px;
    max-width: none;
    border-radius: 12px;
  }
  .projetos-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
  }
  .projetos-item p {
    font-size: 0.9rem;
    margin-bottom: 12px;
  }
  .projetos-item button {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
  .contato-info p {
    font-size: 0.95rem;
    margin-bottom: 12px;
  }
  .contato-form input, .contato-form textarea {
    padding: 10px 12px;
    font-size: 0.95rem;
    margin-bottom: 12px;
  }
  .contato-form button {
    padding: 10px 20px;
    font-size: 0.95rem;
  }
}

/* Acessibilidade extra */
:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
} 

/* Títulos continuam com Poppins/Montserrat */
.home-section h1, .projetos-section h2, .contato-section h2, .admin-section h2 {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
}

.sobre-content p, .sobre-content ul, .sobre-content li, .projetos-item p, .contato-info p, .contato-form input, .contato-form textarea, .contato-form button, #project-form input, #project-form textarea, #project-form button, #admin-login input, #admin-login button {
  font-family: 'Rubik', 'Inter', 'Nunito Sans', Arial, sans-serif;
  font-size: 1.08rem;
  letter-spacing: 0.2px;
  color: #e0e0e0;
  font-weight: 500;
} 

.projetos-item h4 {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
}

.menu a, .feature, .feature h3 {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
}

/* Ajuste para inputs e botões manterem contraste e legibilidade */
input, textarea, button {
  font-family: 'Rubik', 'Inter', 'Nunito Sans', Arial, sans-serif;
  font-size: 1.08rem;
  font-weight: 500;
} 

.carrossel-imagens {
  position: relative;
  width: 100%;
  max-width: 240px;
  height: 160px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 10px;
}
.carrossel-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  transition: opacity 0.2s, transform 0.2s;
}
.fade-out {
  opacity: 0;
  transform: scale(0.97);
}
.carrossel-seta {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(36,36,60,0.85);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 1.3rem;
  cursor: pointer;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, box-shadow 0.2s, transform 0.18s;
  box-shadow: 0 2px 8px #4b4bff22;
  opacity: 0.85;
}
.carrossel-seta-esq {
  left: 6px;
}
.carrossel-seta-dir {
  right: 6px;
}
.carrossel-seta:hover, .carrossel-seta:focus {
  background: #4b4bff;
  color: #fff;
  box-shadow: 0 4px 16px #4b4bff44;
  transform: scale(1.08);
  opacity: 1;
}
@media (max-width: 600px) {
  .carrossel-imagens, .carrossel-img {
    max-width: 98vw;
    height: 120px;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 8px 0 0 0;
  }
  .logo {
    width: 80px;
  }
  .menu a {
    font-size: 0.85rem;
    padding: 6px 10px;
  }
  .section {
    margin: 12px 0 0 0;
    padding: 12px 4vw;
  }
  .home-section h1 {
    font-size: 1.5rem;
    margin-bottom: 12px;
  }
  .home-section p {
    font-size: 0.9rem;
    margin-bottom: 16px;
  }
  .features {
    gap: 8px;
    margin-top: 16px;
  }
  .feature {
    padding: 12px 8px;
    min-width: 80px;
    font-size: 0.8rem;
  }
  .projetos-section h2, .contato-section h2, .admin-section h2 {
    font-size: 1.4rem;
    margin-bottom: 16px;
  }
  #filtro-busca {
    padding: 8px 12px;
    font-size: 0.9rem;
    max-width: 260px;
  }
  .projetos-list {
    gap: 12px;
    max-width: 280px;
  }
  .projetos-item {
    min-height: 200px;
    padding: 12px 8px 8px 8px;
  }
  .projetos-item h4 {
    font-size: 1rem;
    margin-bottom: 6px;
  }
  .projetos-item p {
    font-size: 0.85rem;
    margin-bottom: 8px;
  }
  .projetos-item button {
    padding: 6px 12px;
    font-size: 0.85rem;
  }
  .contato-info p {
    font-size: 0.9rem;
    margin-bottom: 8px;
  }
  .contato-form input, .contato-form textarea {
    padding: 8px 10px;
    font-size: 0.9rem;
    margin-bottom: 8px;
  }
  .contato-form button {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
  .carrossel-imagens, .carrossel-img {
    height: 100px;
  }
  .carrossel-seta {
    width: 28px;
    height: 28px;
    font-size: 1.1rem;
  }
}

/* Estilos base para elementos principais */
.projetos-item, .contato-form, .admin-section {
  background: #18181b;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  border-radius: 18px;
  border: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: box-shadow 0.22s cubic-bezier(.4,2,.6,1), transform 0.18s;
}

.projetos-item:hover, .contato-form:focus-within, .admin-section:focus-within {
  box-shadow: 0 8px 32px rgba(75,75,255,0.13), 0 2px 8px rgba(0,0,0,0.18);
  transform: translateY(-4px) scale(1.025);
}
/* Estilos base para botões */
button, .projetos-item button, #admin-login button, #project-form button, .contato-form button {
  background: #4b4bff;
  color: #fff;
  border: none;
  box-shadow: 0 2px 8px #4b4bff22;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.18s;
}

button:hover, button:focus, .projetos-item button:hover, .projetos-item button:focus, #admin-login button:hover, #admin-login button:focus, #project-form button:hover, #project-form button:focus, .contato-form button:hover, .contato-form button:focus {
  background: #23232a;
  color: #fff;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 32px #4b4bff33, 0 2px 8px #23232a33;
}

.sobre-section h2 {
  background: linear-gradient(90deg, #4b4bff 0%, #23232a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  transition: background 0.3s;
}
.sobre-section h2:hover {
  background: linear-gradient(90deg, #23232a 0%, #4b4bff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}