/* style.css */
:root {
  /* Cores */
  --bg-color: #ffffff;
  --bg-alt: #f8f8f8;
  --text-main: #0a0a0a;
  --text-sec: #555555;
  --border-color: #e0e0e0;
  --accent: #000000;
  --accent-hover: #333333;
  --white: #ffffff;
  
  /* Tipografia */
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'DM Mono', monospace;
  
  /* Espaçamentos e Tamanhos */
  --container-width: 1140px;
  --section-padding: 8rem 0;
  
  /* Transições e Sombras Premium */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-premium: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  
  --shadow-premium: 0 4px 6px rgba(0,0,0,0.02), 0 20px 40px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 12px rgba(0,0,0,0.03), 0 30px 60px rgba(0,0,0,0.08);
}

/* Reset e Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Transição de Página Removida do Body por Performance */
}

/* ================================================
   Page Transition Overlay (Performance Fix)
   ================================================ */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-color);
    z-index: 999999;
    pointer-events: none;
    opacity: 1;
    animation: fadeOutOverlay 0.25s ease-out forwards;
}

body.page-transition-leave::after {
    animation: fadeInOverlay 0.2s ease-out forwards;
}

@keyframes fadeOutOverlay {
    0% { opacity: 1; }
    100% { opacity: 0; visibility: hidden; }
}

@keyframes fadeInOverlay {
    0% { opacity: 0; visibility: visible; }
    100% { opacity: 1; }
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-main);
}

p {
  color: var(--text-sec);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding);
}

.section--alt {
  background-color: var(--bg-alt);
}

.section__title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  max-width: 800px;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: var(--font-head);
  font-weight: 500;
  border-radius: 4px;
  transition: var(--transition-normal);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn--primary {
  background: linear-gradient(180deg, #1f1f1f 0%, #000000 100%);
  color: var(--white);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1), background 0.2s;
}

.btn--primary:hover {
  background: linear-gradient(180deg, #2a2a2a 0%, #0a0a0a 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15), 0 0 0 2px rgba(0,0,0,0.05), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn--primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1), inset 0 2px 4px rgba(0,0,0,0.2);
}

.btn--small {
  padding: 0.6rem 1.2rem;
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
}

.btn--small:hover {
  border-color: var(--text-main);
}

.btn--large {
  padding: 1.2rem 2.5rem;
  font-size: 1.125rem;
}

.btn--link {
  background: transparent;
  color: var(--text-main);
  padding: 1rem;
}

.btn--link:hover {
  color: var(--text-sec);
}

/* Cabeçalho */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  transition: var(--transition-normal);
}

.header__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.btn--back-nav {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-sec);
  transition: var(--transition-normal);
}

.btn--back-nav:hover {
  color: var(--text-main);
}

.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

/* Seção Principal (Hero) */
.hero {
  padding-top: 12rem;
  padding-bottom: 8rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 40%; left: 50%;
  transform: translate(-50%, -50%);
  width: 120vw; height: 120vw;
  max-width: 1400px; max-height: 1400px;
  background: radial-gradient(circle, rgba(0,0,0,0.025) 0%, rgba(255,255,255,0) 60%);
  z-index: 0;
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 800px;
}

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-sec);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: 40px;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.typing-text {
  color: var(--text-main);
  border-right: 3px solid var(--text-main);
  padding-right: 2px;
  animation: blinkCursor 0.75s step-end infinite;
}

@keyframes blinkCursor {
  50% { border-color: transparent; }
}

.hero__subtitle {
  font-size: 1.125rem;
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

/* Funcionalidades */
.features__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.feature-card {
  background: var(--white);
  padding: 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.04);
  border-color: var(--text-main);
}

.feature-card__icon {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.feature-card__title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* Problema */
.problem__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.problem .section__title {
  margin-bottom: 2rem;
}

.problem__text p {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.problem__text p:last-child {
  margin-bottom: 0;
}

.problem__text strong {
  color: var(--text-main);
  font-weight: 600;
}

/* Visual do Problema (Lado Direito) */
.problem__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  min-height: 400px;
}

.blob-shape {
  width: 300px;
  height: 300px;
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-main);
  animation: morphBlob 8s ease-in-out infinite alternate;
}

.blob-shape svg {
  width: 60px;
  height: 60px;
  opacity: 0.8;
}

@keyframes morphBlob {
  0% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; transform: scale(1); }
  100% { border-radius: 60% 40% 30% 70% / 60% 50% 40% 50%; transform: scale(1.05); }
}

.floating-badge {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.25rem;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  animation: floatBadge 6s ease-in-out infinite;
}

.badge-1 {
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.badge-2 {
  bottom: 15%;
  left: 5%;
  animation-delay: -2s;
}

.badge-3 {
  bottom: 40%;
  right: -5%;
  animation-delay: -4s;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Processo */
.process__list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 800px;
}

.process-item {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.process-item__number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-main);
}

.process-item__title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

/* Anatomia */
.anatomy__header {
  margin-bottom: 4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.anatomy__header .section__title {
  margin-bottom: 1rem;
}

.anatomy__header .section__subtitle {
  font-size: 1.125rem;
  max-width: 600px;
  color: var(--text-sec);
}

.anatomy__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.anatomy-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 8px;
  transition: transform var(--transition-premium), box-shadow var(--transition-premium), border-color var(--transition-premium);
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  display: flex;
  flex-direction: column;
}

.anatomy-card:hover {
  transform: translateY(-8px);
  border-color: var(--text-main);
  box-shadow: var(--shadow-hover);
}

.anatomy-card__icon {
  width: 48px;
  height: 48px;
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  transition: var(--transition-normal);
}

.anatomy-card:hover .anatomy-card__icon {
  background: var(--text-main);
  color: var(--white);
  transform: scale(1.05);
}

.anatomy-card__title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.anatomy-card__text {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Modelos */
.models__header {
  margin-bottom: 4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.models__header .section__title {
  margin-bottom: 1rem;
}

.models__header .section__subtitle {
  font-size: 1.125rem;
  max-width: 600px;
  color: var(--text-sec);
}

.models__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.model-card {
  background: var(--bg-color); /* Para se destacar contra o fundo alternativo */
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  transition: transform var(--transition-premium), box-shadow var(--transition-premium), border-color var(--transition-premium);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.model-card:hover {
  transform: translateY(-8px);
  border-color: var(--text-main);
  box-shadow: var(--shadow-hover);
}

.model-card__icon {
  width: 48px;
  height: 48px;
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  transition: transform var(--transition-premium), background var(--transition-premium), color var(--transition-premium);
}

.model-card:hover .model-card__icon {
  background: var(--text-main);
  color: var(--white);
  transform: scale(1.1);
}

.model-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.model-card__text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-sec);
  margin: 0;
}

/* Comparação */
.comparison {
  position: relative;
  overflow: hidden;
}

.comparison::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw; height: 100vw;
  max-width: 1200px; max-height: 1200px;
  background: radial-gradient(circle, rgba(0,0,0,0.02) 0%, rgba(255,255,255,0) 65%);
  z-index: 0;
  pointer-events: none;
}
.comparison__header {
  margin-bottom: 4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.comparison__header .section__title {
  margin-bottom: 1rem;
}

.comparison__header .section__subtitle {
  font-size: 1.125rem;
  max-width: 600px;
  color: var(--text-sec);
}

.comparison__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.comparison-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 3rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  transition: transform var(--transition-premium), box-shadow var(--transition-premium), border-color var(--transition-premium);
}

.comparison-card--good {
  background: var(--text-main);
  color: var(--white);
  border-color: var(--text-main);
  transform: scale(1.05);
  box-shadow: var(--shadow-premium);
  position: relative;
}

.comparison-card--good::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,0.08);
  pointer-events: none;
  transition: border-color var(--transition-premium);
}

.comparison-card--good:hover {
  box-shadow: var(--shadow-hover);
}

.comparison-card--good:hover::after {
  border-color: rgba(255,255,255,0.25);
}

.comparison-card__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
  text-align: center;
}

.icon-bad {
  color: #ff4d4d;
  margin-bottom: 1rem;
}

.icon-good {
  color: #4ade80;
  margin-bottom: 1rem;
}

.comparison-card__title {
  font-size: 1.5rem;
  margin-bottom: 0;
  color: inherit;
}

.comparison-card__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comparison-card__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 1rem;
}

.comparison-card--bad .comparison-card__list li {
  color: var(--text-sec);
}

.comparison-card--bad .comparison-card__list li::before {
  content: "×";
  position: absolute;
  left: 0;
  color: #ff4d4d;
  font-weight: bold;
}

.comparison-card--good .comparison-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #4ade80;
  font-weight: bold;
}

.comparison-card--good .comparison-card__list strong {
  font-weight: 400;
  color: var(--white);
}

/* Sobre */
.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__left {
  display: flex;
  flex-direction: column;
}

.about__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 250px;
  margin-top: 3rem;
}

.blob-shape--alt {
  background: var(--bg-color);
  width: 220px;
  height: 220px;
  animation-duration: 9s;
}

.badge-about-1 {
  top: 10%;
  left: 0%;
  animation-delay: -1s;
}

.badge-about-2 {
  bottom: 10%;
  right: 0%;
  animation-delay: -3s;
}

.about__text p {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

/* Perguntas Frequentes (FAQ) */
.faq__container {
  max-width: 800px;
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  transition: transform var(--transition-premium), box-shadow var(--transition-premium);
}

.faq-item:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: transparent;
  border: none;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
}

.faq-item__icon {
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform var(--transition-premium), color var(--transition-premium);
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(45deg) scale(1.1);
  color: var(--text-sec);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-premium), opacity var(--transition-premium);
  opacity: 0;
}

.faq-item.is-open .faq-item__answer {
  opacity: 1;
}

.faq-item__answer p {
  padding: 0 2rem 1.5rem 2rem;
  margin: 0;
}

/* CTA Final */
.cta-final {
  text-align: center;
  padding: 8rem 0;
}

.cta-final__container {
  max-width: 600px;
  margin: 0 auto;
}

.cta-final__title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.cta-final__subtitle {
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
}

.cta-final__note {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-sec);
  margin-top: 1rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  background: var(--bg-alt);
}

.footer__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.footer__copy {
  margin-top: 1rem;
  font-size: 0.875rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links a:hover {
  text-decoration: underline;
}

.footer__tech {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-sec);
}

/* Animations */
.reveal {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1), filter 1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform, filter;
}

.reveal.active {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --section-padding: 5rem 0;
  }
  
  .problem__container,
  .about__container,
  .comparison__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .comparison-card--good {
    transform: scale(1);
  }

  .about__visual {
    margin-top: 2rem;
    height: 200px;
    transform: scale(0.85);
  }

  .problem__visual {
    min-height: 300px;
    margin-top: 2rem;
    transform: scale(0.85);
  }

  .hero {
    padding-top: 7rem;
    padding-bottom: 4rem;
    min-height: auto;
  }
  
  .hero-particles {
    display: none !important;
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero__actions .btn,
  .cta-final .btn {
    width: 100%;
  }
  
  .process-item {
    flex-direction: column;
    gap: 1rem;
  }

  .header__actions {
    gap: 0.75rem;
  }

  .header__content .btn--small {
    padding: 0.5rem 0.8rem;
    font-size: 0.75rem;
  }

  .btn--back-nav span {
    display: none;
  }

  .logo {
    white-space: nowrap;
    font-size: 1.1rem;
  }
}

/* ================================================
   COOKIE CONSENT BANNER
   ================================================ */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background-color: #0a0a0a;
  color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  max-width: 320px;
  padding: 1.25rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(100px);
  pointer-events: none;
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cookie-banner.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cookie-banner.hide {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.cookie-banner p {
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
}

.cookie-banner button {
  background-color: #ffffff;
  color: #0a0a0a;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  align-self: flex-start;
}

.cookie-banner button:hover {
  background-color: #e0e0e0;
  transform: scale(1.02);
}

/* Ajuste responsivo para o Banner de Cookies */
@media (max-width: 400px) {
  .cookie-banner {
    right: 20px;
    max-width: none;
    width: auto;
  }
}