:root {
  --bg: #0a0a0a;
  --text: #80faff;
  --text-content: #d1f7ff;
  --text-secondary: #559cb3;
  --heading-color: #00e0ff;
  --highlight: #00ffff;
  --accent: #00f7ff;
  --accent2: #ff0059;
  --shadow: rgba(0, 247, 255, 0.3);
  --block-bg: rgba(255, 255, 255, 0.05);
  --sidebar-width: 80px;
  --matrix-bg: rgba(10, 10, 10, 0.15);
  --matrix-color: #00f7ff;
  --node-color: #00ffe0;              
  --pulse-color: #ff0059;             
  --link-color: rgba(0, 255, 200, 0.1); 
  --brain-node: #00ffe0;
  --brain-link: rgba(0, 255, 255, 0.1);
  --brain-pulse: #ff0059;
}

body.light {
  --bg: #e8f2fa;
  --text: #0077aa;
  --text-content: #003344;
  --text-secondary: #005577;
  --heading-color: #004466;
  --highlight: #00aaff;
  --accent: #00aaff;
  --accent2: #b0003a;
  --shadow: rgba(0, 119, 170, 0.2);
  --block-bg: rgba(0, 0, 0, 0.05);
  --matrix-bg: rgba(255, 255, 255, 0.15);
  --matrix-color: #0077aa;
  --node-color: #0077aa;               
  --pulse-color: #b0003a;              
  --link-color: rgba(0, 119, 170, 0.1); 
  --brain-node: #0077aa;
  --brain-link: rgba(0, 119, 170, 0.1);
  --brain-pulse: #b0003a;
}

#page p {
  color: var(--text-content);
  line-height: 1.6;
  font-size: 1.1rem;
  margin: 1.5rem auto;
  text-align: justify;
  max-width: 900px;
}

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

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.logo-watermark {
  position: fixed;
  bottom: 10%;
  right: 5%;
  width: 160px;
  max-width: 30vw;
  opacity: 0.05;
  pointer-events: none;
  z-index: 2;
  filter: drop-shadow(0 0 2px var(--accent));
}

.logo-principal {
  width: 180px;
  height: auto;
  aspect-ratio: 1 / 1;
  max-width: 60%;
  margin-bottom: 1.5rem;
  /*filter: drop-shadow(0 0 3px var(--accent));*/
  transition: transform 0.3s ease;
}
.logo-principal:hover {
  transform: scale(2.05);
}

/* CONTEÚDO PRINCIPAL */
html, body {
  overflow-x: hidden;
}
.icon {
  font-size: 4rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* MODAL */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}
.modal.hidden {
  display: none;
}

.modal-content {
  text-align: center;
  background: var(--block-bg);
  color: var(--text);
  padding: 2rem;
  border-radius: 14px;
  max-width: 90%;
  max-height: 85%;
  backdrop-filter: blur(6px);
  position: relative;
}

.modal-check {
  font-size: 4rem;
  color: lime;
  margin-bottom: 1rem;
  font-weight: bold;
}

.modal .close {
  position: absolute;
  top: 1rem; right: 1rem;
  font-size: 1.5rem;
  color: var(--accent);
  cursor: pointer;
}

body.light .slide {
  background: linear-gradient(145deg, rgba(0, 170, 255, 0.05), rgba(176, 0, 58, 0.07));
  border: 1px solid rgba(0, 170, 255, 0.12);
  box-shadow: 0 0 8px rgba(0, 170, 255, 0.04);
}
.block:nth-child(even) {
  background: rgba(0, 247, 255, 0.03);
}

/* CAROUSEL HORIZONTAL */
.carousel-horizontal-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  max-width: 100%;
  padding: 2rem 0;
  gap: 1.2rem;
  position: relative;
}

.carousel-horizontal {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  gap: 1rem;
  padding: 1rem;
  scroll-padding-left: 1rem;
  scroll-padding-right: 1rem;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  box-sizing: border-box;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

.carousel-horizontal::-webkit-scrollbar {
  display: none;
}

.carousel-horizontal-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.carousel-horizontal-nav button {
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  transition: color 0.3s ease;
}
.carousel-horizontal-nav button:hover {
  color: var(--accent2);
  transform: scale(1.1);
}

/* SLIDES */
.carousel-horizontal .slide {
  flex: 0 0 calc((100% - 2rem) / 1); /* N1 visíveis com gap de 1rem entre */ 
  max-width: calc((100% - 2rem) / 1);
  scroll-snap-align: start;
  padding: 1rem;
  border-radius: 12px;
  background: var(--block-bg);
  backdrop-filter: blur(3px);
  color: var(--text);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: transform 0.3s ease;
}

.carousel-horizontal .slide:hover {
  transform: scale(1.02);
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.25);
  z-index: 1;
}


/* === CAROUSEL VERTICAL === */
.carousel-vertical-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  overflow: hidden;
  max-height: 70vh;
  padding: 2rem 0;
  position: relative;
}

.carousel-vertical {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  gap: 1rem;
  max-height: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
  scroll-padding-bottom: 1rem;
  padding: 1rem;
  box-sizing: border-box;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE 10+ */
}

.carousel-vertical::-webkit-scrollbar {
  display: none; /* Chrome, Safari */
}

.carousel-vertical-nav {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.carousel-vertical-nav button {
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  transition: color 0.3s ease;
}
.carousel-vertical-nav button:hover {
  color: var(--accent2);
  transform: scale(1.1);
}

/* SLIDES */
.slide {
  flex: 0 0 auto;
  height: 150px;
  scroll-snap-align: start;
  padding: 1rem;
  border-radius: 12px;
  background: var(--block-bg);
  backdrop-filter: blur(3px);
  color: var(--text);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: transform 0.3s ease;
}

.slide:hover {
  transform: scale(1.02);
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.25);
  z-index: 1;
}



/* MOBILE FIRST */
#sidebar,
#topbar {
  display: none;
}

/* CONSISTÊNCIA */
#topmenu button,
#sidebar button,
#topbar #menu-toggle {
  color: var(--text);
}

.container-inner {
  display: flex;
  flex-direction: row;
  width: 100%;
  height: 100%;
  transition: transform 0.6s ease;
}

@media (max-width: 1023px) {
  body {
    overflow-x: hidden;
    overflow-y: auto;
    touch-action: pan-y;
  }

  .container-inner {
    flex-direction: column;
    transform: none !important;
  }

  .container {
    display: block;
    width: 100%;
    height: auto;
    margin-left: 0;
    margin-top: 3.5rem;
    overflow-x: hidden;
    overflow-y: visible;
    transform: none;
  }

  .block {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text);
    background: var(--block-bg);
    backdrop-filter: blur(3px);
    border-radius: 12px;
    text-align: center;

    width: 100%;
    flex: 0 0 100%;
    margin: 0 auto;
    min-height: 100vh;
    padding-top: 4rem;
    padding: 2rem 1rem;
  }
  #sidebar {
    display: none;
  }
  #topbar {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.5rem;
    justify-content: space-between;
    align-items: center;
    background: var(--block-bg);
    backdrop-filter: blur(6px);
  }
  #topmenu {
    position: absolute;
    top: 3rem;
    left: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(0, 20, 40, 0.85), rgba(20, 0, 30, 0.75));
    backdrop-filter: blur(12px);
    color: var(--text);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.6);
    border-radius: 12px;
    z-index: 999;
  }

  body.light #topmenu {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(230, 245, 255, 0.95));
    color: var(--text);
  }

  #topmenu.hidden {
    display: none;
  }
  /* MENU HAMBÚRGUER MOBILE */
  #topbar {
    display: none;
    background: var(--block-bg);
    backdrop-filter: blur(6px);
    border-radius: 10px;
  }
  #topbar #menu-toggle {
    font-size: 1.5rem;
    color: var(--text);
    background: none;
    border: none;
    cursor: pointer;
  }
  #topmenu button {
    background: none;
    border: none;
    color: var(--text) !important;
    padding: 0.5rem;
    font-size: 1.2rem;
  }
  #topmenu button.active,
  #topmenu button:hover {
    color: var(--accent2);
    font-weight: bold;
    text-shadow: 0 0 2px var(--accent2);
  }
  #topmenu i,
  #topmenu span,
  #sidebar i {
    color: var(--text) !important;
  }
  /* ========= TOPMENU (ícone + texto) ========= */
  #topmenu .icon-button {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 0.8rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    color: var(--text);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
  }
  #topmenu .icon-button::before {
    content: '';
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    background-color: var(--text); /* <- base */
    border-radius: 6px;             /* opcional para ícone arredondado */
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
    transition: background-color 0.3s ease;
    vertical-align: middle;
  }
  #topmenu .icon-button:hover {
    color: var(--accent2); /* texto */
  }

  #topmenu .icon-button:hover::before {
    background-color: var(--accent2); /* ícone */
    box-shadow: 0 0 4px var(--accent2);
  }

  /* Máscaras aplicadas ao ::before */
  #topmenu .icon-home::before {
    mask-image: url('/assets/icons/home.svg');
    -webkit-mask-image: url('/assets/icons/home.svg');
  }
  #topmenu .icon-platform::before {
    mask-image: url('/assets/icons/platform.svg');
    -webkit-mask-image: url('/assets/icons/platform.svg');
  }
  #topmenu .icon-usecases::before {
    mask-image: url('/assets/icons/usecases.svg');
    -webkit-mask-image: url('/assets/icons/usecases.svg');
  }
  #topmenu .icon-about::before {
    mask-image: url('/assets/icons/about.svg');
    -webkit-mask-image: url('/assets/icons/about.svg');
  }
  #topmenu .icon-contact::before {
    mask-image: url('/assets/icons/contact.svg');
    -webkit-mask-image: url('/assets/icons/contact.svg');
  }
  #topmenu .icon-theme::before {
    mask-image: url('/assets/icons/theme.svg');
    -webkit-mask-image: url('/assets/icons/theme.svg');
  }

}

@media (min-width: 1024px) {
  .container-inner {
    cursor: grab;
  }

  .container-inner.grabbing {
    cursor: grabbing;
  }
  .container {
    display: flex;
    flex-direction: row;
    height: 100vh;
    width: 500vw;
    margin-left: var(--sidebar-width);
    transition: none;
    scroll-behavior: smooth;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;

    /* esconder scrollbar */
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .container::-webkit-scrollbar {
    display: none;
  }

  .block {
    color: var(--text);
    flex: 0 0 calc(100vw - 2vw);
    height: calc(100vh - 4vh);
    margin: 2vh 1vw;
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--block-bg);
    backdrop-filter: blur(3px);
    border-radius: 12px;
  }
  .carousel-horizontal-wrapper {
    padding: 0 4rem; /* espaço para as setas */
  }
  .carousel-horizontal {
    max-width: calc(100vw - 8rem);
  }
  .carousel-vertical-wrapper {
    padding: 0 4rem; /* espaço para as setas */
  }
  .carousel-vertical {
    max-width: calc(100vw - 8rem);
  }
  /* MENU LATERAL DESKTOP */
  #sidebar {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: var(--sidebar-width);
    background: var(--block-bg);
    backdrop-filter: blur(3px);
    position: fixed;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: 1000;
    padding-top: 1rem;
    gap: 1.2rem;
    border-radius: 10px;
  }
  #sidebar .logo {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    margin-bottom: 2rem;
    font-size: 1rem;
  }
  #sidebar button {
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
  }
  #sidebar button.active,
  #sidebar button:hover {
    color: var(--accent2);
    font-weight: bold;
    text-shadow: 0 0 2px var(--accent2);
  }

  /* Hover e estado ativo (comuns aos dois) */
  #sidebar .icon-button:hover {
    background-color: var(--accent2);
  }

  #sidebar .icon-button.active {
    background-color: var(--accent2);
    box-shadow: 0 0 4px var(--accent2);
  }

  /* ========= SIDEBAR (ícone sozinho) ========= */
  #sidebar .icon-button {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    background-color: var(--text);
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
  }

  /* Ícones para sidebar (aplicados diretamente) */
  #sidebar .icon-home {
    mask-image: url('/assets/icons/home.svg');
    -webkit-mask-image: url('/assets/icons/home.svg');
  }
  #sidebar .icon-platform {
    mask-image: url('/assets/icons/platform.svg');
    -webkit-mask-image: url('/assets/icons/platform.svg');
  }
  #sidebar .icon-usecases {
    mask-image: url('/assets/icons/usecases.svg');
    -webkit-mask-image: url('/assets/icons/usecases.svg');
  }
  #sidebar .icon-about {
    mask-image: url('/assets/icons/about.svg');
    -webkit-mask-image: url('/assets/icons/about.svg');
  }
  #sidebar .icon-contact {
    mask-image: url('/assets/icons/contact.svg');
    -webkit-mask-image: url('/assets/icons/contact.svg');
  }
  #sidebar .icon-theme {
    mask-image: url('/assets/icons/theme.svg');
    -webkit-mask-image: url('/assets/icons/theme.svg');
  }
}

/* Base comum a todos os botões com ícone */
.icon-button {
  position: relative;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
  background-color: var(--text);
}

.icon-svg {
  display: inline-block;
  width: 3rem;
  height: 3rem;
  background-color: var(--accent); /* ou var(--text) */
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  margin-bottom: 1rem;
  margin: 0 auto 1rem auto;
}
#page .icon-home {
  mask-image: url('/assets/icons/home.svg');
  -webkit-mask-image: url('/assets/icons/home.svg');
  background-color: var(--accent);
}
#page .icon-platform {
  mask-image: url('/assets/icons/platform.svg');
  -webkit-mask-image: url('/assets/icons/platform.svg');
  background-color: var(--accent);
}
#page .icon-usecases {
  mask-image: url('/assets/icons/usecases.svg');
  -webkit-mask-image: url('/assets/icons/usecases.svg');
  background-color: var(--accent);
}
#page .icon-about {
  mask-image: url('/assets/icons/about.svg');
  -webkit-mask-image: url('/assets/icons/about.svg');
  background-color: var(--accent);
}
#page .icon-contact {
  mask-image: url('/assets/icons/contact.svg');
  -webkit-mask-image: url('/assets/icons/contact.svg');
  background-color: var(--accent);
}
#page .icon-theme {
  mask-image: url('/assets/icons/theme.svg');
  -webkit-mask-image: url('/assets/icons/theme.svg');
  background-color: var(--accent);
}

#page .icon-about:hover {
  background-color: var(--accent2);
  animation: rotate360 1.2s linear infinite;
}

#page .icon-platform:hover {
  background-color: var(--accent2);
  transform: scale(2.08) rotate(10deg);
}

#page .icon-usecases:hover {
  background-color: var(--accent2);
  animation: spinAndFlyOut 1.2s ease-in-out forwards;
}


@keyframes rotate360 {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spinAndFlyOut {
  0% {
    transform: rotate(0deg) translateY(0);
    opacity: 1;
  }
  60% {
    transform: rotate(180deg) translateY(-1rem);
    opacity: 0.8;
  }
  100% {
    transform: rotate(360deg) translateY(-4rem);
    opacity: 0;
  }
}

@keyframes sendToRight {
  0% {
    transform: translateX(0) rotate(0deg);
    opacity: 1;
  }
  30% {
    transform: translateX(1rem) rotate(-5deg);
    opacity: 1;
  }
  60% {
    transform: translateX(2rem) rotate(2deg);
    opacity: 0.7;
  }
  100% {
    transform: translateX(4rem) rotate(-15deg);
    opacity: 0;
  }
}

#page .icon-contact:hover {
  background-color: var(--accent2);
  animation: sendToRight 1s ease-in-out forwards;
}

#page + p {
  color: #aeefff;
  line-height: 1.6;
  font-size: 1.1rem;
  margin: 1.5rem auto;
  text-align: justify;
  max-width: 900px;
}
#page h1, h2, h3 {
  color: var(--accent);
  text-shadow: 0 0 6px rgba(0, 247, 255, 0.15);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}
#page a {
  color: var(--accent2);
  text-decoration: none;
  font-weight: 500;
}
#page a:hover {
  color: var(--accent);
  text-decoration: underline;
}
#page .btn-detalhes {
  margin-top: 1rem;
  background: var(--accent2);
  color: var(--bg);
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s ease;
}
#page .btn-detalhes:hover {
  background: var(--accent);
  color: var(--bg);
}
#page hr {
  border: none;
  border-top: 1px solid rgba(0, 247, 255, 0.1);
  margin: 2rem 0;
}

/* CONTACT PAGE STYLES */
.contact-section {
  max-width: 800px;
  width: 100%;
  margin: 3rem auto 0;
  padding: 2rem;
  background: var(--block-bg);
  border-radius: 12px;
  backdrop-filter: blur(3px);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
}

.contact-intro {
  margin-bottom: 2rem;
  text-align: center;
}

.contact-title {
  font-size: 1.4rem;
  color: var(--text);
  margin-bottom: 0.3rem;
}

.contact-description {
  font-size: 0.95rem;
  color: var(--text-content);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  color: var(--text);
  text-align: left;
}

.form-input,
.form-textarea {
  font-size: 0.95rem;
  padding: 0.7rem;
  border-radius: 8px;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  outline: none;
  resize: vertical;
}

.form-submit {
  font-size: 0.95rem;
  padding: 0.7rem 1.2rem;
  border: none;
  border-radius: 8px;
  background-color: var(--accent2);
  color: var(--bg);
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

.form-submit:hover {
  background-color: var(--accent);
}

.footer {
  margin-top: 3rem;
  padding: 2rem 1rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-content);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#contact.block {
  justify-content: flex-start; /* evita que o formulário fique demasiado alto na tela */
  overflow-y: auto;            /* permite scroll se o conteúdo for maior que a altura */
  padding-top: 3rem;
  padding-bottom: 3rem;
}

#modal-content.grabbing {
  cursor: grabbing;
}
@media (pointer: fine) {
  #modal-content {
    cursor: grab;
  }
}

.carousel-horizontal.grabbing {
  cursor: grabbing;
  cursor: -webkit-grabbing;
}

.carousel-vertical.grabbing {
  cursor: grabbing;
  cursor: -webkit-grabbing;
}