/* ========== Base ========== */
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  position: relative;
}

/* Fundo Matrix – canvas atrás do conteúdo */
.matrix-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.matrix-bg canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Conteúdo acima do fundo */
.header,
main,
.footer {
  position: relative;
  z-index: 1;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-3xl) 0;
  background: rgba(10, 14, 10, 0.94);
}

.section--alt {
  background: rgba(13, 19, 13, 0.96);
}

.section__title {
  font-size: 1.75rem;
  margin-bottom: var(--space-xl);
  text-align: center;
}

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-bg);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-border);
  z-index: 100;
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.lang-switcher {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

.lang-btn {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.lang-btn:hover,
.lang-btn:focus {
  color: var(--color-primary);
  border-color: var(--color-primary);
  outline: none;
}

.lang-btn--active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: rgba(0, 255, 65, 0.1);
}

.header__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.header__toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-normal);
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-xl);
}

.nav__link {
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus {
  color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Desktop: nav visible, toggle hidden */
@media (min-width: 768px) {
  .header__toggle {
    display: none;
  }

  .nav {
    display: block;
  }

  .nav__list {
    flex-direction: row;
    padding: 0;
    gap: var(--space-lg);
  }
}

/* Mobile: nav hidden by default */
@media (max-width: 767px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
  }

  .nav.is-open {
    max-height: 80vh;
  }
}

/* ========== Hero ========== */
.hero {
  min-height: auto;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: calc(var(--header-height) + var(--space-md)) 0 var(--space-md);
  background: linear-gradient(180deg, rgba(10, 14, 10, 0.55) 0%, rgba(10, 14, 10, 0.88) 100%);
  text-align: left;
}

.hero__content {
  max-width: 64rem;
  width: 100%;
  text-align: center;
  margin: 0 auto;
}

.hero__title {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  margin-bottom: var(--space-xs);
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  white-space: nowrap;
}

.hero__tagline {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  white-space: nowrap;
}

@media (max-width: 767px) {
  .hero__subtitle,
  .hero__tagline {
    white-space: normal;
  }
}

/* Sobre mais próximo do início */
#sobre.section {
  padding-top: var(--space-md);
}

/* ========== Sobre ========== */
.sobre__grid {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.sobre__image-wrap {
  position: relative;
  aspect-ratio: 1;
  max-width: 280px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-bg-alt);
  border: none;
}

.sobre__image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.sobre__image-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.sobre__text p {
  margin-bottom: var(--space-lg);
  color: var(--color-text-muted);
  text-align: justify;
}

.sobre__company {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .sobre__grid {
    grid-template-columns: 260px minmax(0, 1.1fr);
    max-width: 60rem;
    margin: 0 auto;
  }

  .sobre__image-wrap {
    margin: 0;
  }
}

/* ========== Skills ========== */
.skills__grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.skills__item {
  padding: var(--space-sm) var(--space-lg);
  background: rgba(0, 255, 65, 0.08);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-weight: 500;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.skills__item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ========== Experiência ========== */
.experiencia__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 64rem;
  margin: 0 auto;
}

.experiencia__list--stacked {
  grid-template-columns: 1fr;
}

.experiencia__card {
  padding: var(--space-lg);
  background: rgba(0, 255, 65, 0.06);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.experiencia__card--block {
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(0, 255, 65, 0.08) 0%, rgba(0, 143, 17, 0.12) 100%);
  border: 1px solid rgba(0, 255, 65, 0.25);
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.05);
}

.experiencia__card--block:nth-child(2) {
  background: linear-gradient(135deg, rgba(0, 204, 52, 0.06) 0%, rgba(0, 143, 17, 0.1) 100%);
  border-left-color: var(--color-primary-dark);
}

.experiencia__card--block:nth-child(3) {
  background: linear-gradient(135deg, rgba(0, 179, 42, 0.07) 0%, rgba(0, 143, 17, 0.09) 100%);
  border-left-color: var(--color-btn);
}

.experiencia__entries {
  margin-bottom: var(--space-lg);
}

.experiencia__entry {
  margin: 0 0 var(--space-sm) 0;
  font-size: 0.9375rem;
}

.experiencia__entry:last-child {
  margin-bottom: 0;
}

.experiencia__entry-cargo {
  color: var(--color-text);
  font-weight: 600;
}

.experiencia__entry-empresa {
  color: var(--color-primary);
  font-weight: 500;
}

.experiencia__entry-data {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.experiencia__entry-sep {
  color: var(--color-text-muted);
  font-weight: 400;
  margin: 0 0.25rem;
}

.experiencia__cargo {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.experiencia__empresa {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.experiencia__periodo {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.experiencia__desc {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
  text-align: justify;
  white-space: pre-line;
}

.experiencia__achievements {
  margin-top: var(--space-lg);
  padding: var(--space-md) var(--space-md) var(--space-md) 1.25rem;
  background: rgba(0, 143, 17, 0.08);
  border-radius: 6px;
  border-left: 3px solid var(--color-primary);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.experiencia__achievements li {
  margin-bottom: var(--space-xs);
}

.experiencia__achievements li:last-child {
  margin-bottom: 0;
}

.experiencia__achievements li::marker {
  color: var(--color-primary);
}

/* ========== Formação ========== */
.formacao__list {
  max-width: 40rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.formacao__item {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-md);
}

.formacao__curso {
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
}

.formacao__detalhes {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}

.formacao__periodo {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ========== Projetos ========== */
.projetos__group {
  margin-top: var(--space-2xl);
}

.projetos__group:first-of-type {
  margin-top: var(--space-xl);
}

.projetos__group-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  text-align: left;
}

.projetos__group-intro {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

.projetos__grid {
  display: grid;
  gap: var(--space-xl);
}

.projeto__card {
  background: rgba(0, 255, 65, 0.06);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast);
}

.projeto__card:hover {
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.15);
}

.projeto__image-wrap {
  aspect-ratio: 16 / 10;
  background: var(--color-bg-alt);
  overflow: hidden;
  position: relative;
}

.projeto__image-wrap--matrix-green::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(0, 255, 65, 0.14) 0%,
    rgba(0, 143, 17, 0.22) 100%
  );
  mix-blend-mode: overlay;
}

.projeto__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.projeto__image-wrap.projeto__image--placeholder .projeto__image {
  display: none;
}

.projeto__image-wrap.projeto__image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.projeto__image-wrap.projeto__image--placeholder::after {
  content: "Imagem do projeto";
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.projeto__body {
  padding: var(--space-lg);
}

.projeto__title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.projeto__desc {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  text-align: left;
}

.projeto__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.projeto__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
}

.projeto__link:hover,
.projeto__link:focus {
  text-decoration: underline;
  outline: none;
}

@media (min-width: 768px) {
  .projetos__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .projetos__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========== Blog ========== */
.blog__list {
  max-width: 40rem;
  margin: 0 auto;
}

.blog__item {
  border-bottom: 1px solid var(--color-border);
}

.blog__item:last-child {
  border-bottom: none;
}

.blog__link {
  display: block;
  padding: var(--space-lg) 0;
  transition: color var(--transition-fast);
}

.blog__link:hover,
.blog__link:focus {
  color: var(--color-primary);
  outline: none;
}

.blog__title {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.blog__date {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.blog__resumo {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.blog__content {
  padding: var(--space-lg) 0;
}

.blog__doc-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-sm);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
}

.blog__doc-icon:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.blog__doc-icon img {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.blog__doc-icon:hover img,
.blog__doc-icon:focus-within img {
  opacity: 1;
}

/* ========== Contato ========== */
.contato__wrap {
  max-width: 32rem;
  margin: 0 auto;
}

.contato__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contato__form label {
  font-weight: 500;
  font-size: 0.9375rem;
}

.contato__form input,
.contato__form textarea {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: rgba(10, 14, 10, 0.9);
  color: var(--color-text);
}

.contato__form input:focus,
.contato__form textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 0;
}

.contato__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.contato__social-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.contato__email-line {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin: 0;
  justify-content: center;
  user-select: all;
}

.contato__email-text {
  font-weight: 600;
  color: var(--color-primary);
}

.contato__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.contato__icon {
  width: 2rem;
  height: 2rem;
  display: block;
  object-fit: contain;
}

.contato__link:hover,
.contato__link:focus {
  text-decoration: underline;
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ========== Buttons ========== */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 6px;
  font-weight: 600;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn--primary {
  background: var(--color-btn);
  color: var(--color-white);
  border: 2px solid var(--color-btn);
}

.btn--primary:hover,
.btn--primary:focus {
  background: var(--color-btn-hover);
  border-color: var(--color-btn-hover);
  outline: none;
}

.btn--outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover,
.btn--outline:focus {
  background: var(--color-primary);
  color: var(--color-white);
  outline: none;
}

.btn--cv {
  font-size: 0.875rem;
  padding: var(--space-xs) var(--space-md);
}

/* ========== Footer ========== */
.footer {
  padding: var(--space-xl) var(--container-padding);
  background: rgba(0, 0, 0, 0.9);
  color: var(--color-text-muted);
  text-align: center;
  font-size: 0.875rem;
  border-top: 1px solid var(--color-border);
}

.footer a:hover,
.footer a:focus {
  text-decoration: underline;
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* ========== Modal (Projetos Business) ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  position: relative;
  max-width: 800px;
  max-height: 90vh;
  width: 100%;
  background: rgba(10, 14, 10, 0.98);
  border: 1px solid var(--color-primary);
  border-radius: 12px;
  box-shadow: 0 0 40px rgba(0, 255, 65, 0.15);
  overflow: hidden;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  padding: 0;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 2;
  transition: color var(--transition-fast);
}

.modal-close:hover,
.modal-close:focus {
  color: var(--color-primary);
  outline: none;
}

.modal-body {
  padding: var(--space-2xl) var(--space-xl);
  max-height: 90vh;
  overflow-y: auto;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  text-align: left;
}

.modal-body h1,
.modal-body h2,
.modal-body h3 {
  color: var(--color-text);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.modal-body h1 { font-size: 1.25rem; }
.modal-body h2 { font-size: 1.125rem; }
.modal-body h3 { font-size: 1rem; }

.modal-body p {
  margin-bottom: var(--space-md);
  text-align: justify;
}

.modal-body .article-modal__header {
  color: var(--color-text);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  text-align: left;
}

.modal-body ul,
.modal-body ol {
  margin-bottom: var(--space-md);
  padding-left: 1.5rem;
}

.modal-body code {
  background: rgba(0, 255, 65, 0.08);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.modal-body pre {
  margin-bottom: var(--space-md);
  padding: var(--space-md);
  background: rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  overflow-x: auto;
}

.modal-body pre code {
  background: none;
  padding: 0;
}

.modal-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-md);
}

.modal-body th,
.modal-body td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.modal-body th {
  color: var(--color-primary);
  font-weight: 600;
}

.modal-body--readme a,
.modal-body a {
  color: var(--color-primary);
  text-decoration: none;
}

.modal-body--readme a:hover,
.modal-body a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.modal-body .mermaid {
  display: flex;
  justify-content: center;
  margin: var(--space-lg) 0;
}

/* ========== Modal Código (estilo Jupyter) ========== */
.modal-body--jupyter {
  background: #282c34;
  margin: calc(-1 * var(--space-2xl)) calc(-1 * var(--space-xl));
  padding: var(--space-2xl) var(--space-xl);
}

.modal-body--jupyter h1,
.modal-body--jupyter h2,
.modal-body--jupyter h3 {
  color: #e8e8e8;
}

.modal-body--jupyter p,
.modal-body--jupyter ul,
.modal-body--jupyter li {
  color: #abb2bf;
}

.modal-body--jupyter pre {
  background: #1e1e1e;
  border-radius: 6px;
  padding: var(--space-lg);
  overflow-x: auto;
  margin: var(--space-md) 0;
  border-left: 3px solid var(--color-primary);
}

.modal-body--jupyter pre code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.5;
  background: transparent;
  padding: 0;
}

.modal-body--jupyter .hljs {
  background: transparent;
  padding: 0;
}

.modal-body--jupyter code:not(pre code) {
  background: rgba(97, 175, 239, 0.15);
  color: #61afef;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}