/* ==========================================================================
   Ficheiro: style.css
   Folha de estilos principal para o site pessoal de Renato Ferreira.
   Organização:
   1.  Variáveis e Estilos de Base
   2.  Reset e Estilos Globais
   3.  Efeitos de Fundo (Canvas e Ruído)
   4.  Layout Principal (Header, Main, Footer, Secções)
   5.  Componentes Reutilizáveis (Navegação, Botões)
   6.  Estilos das Secções Específicas (Intro, About, Projects, etc.)
   7.  Formulário Conversacional
   8.  Helpers e Animações Globais
   ========================================================================== */

/* ==========================================================================
   1. Variáveis e Estilos de Base
   ========================================================================== */
:root {
  /* Paleta de Cores e Transições */
  --bg-color: #111111;
  --text-color: #fcfcee;
  --text-secondary-color: #d8d8c8;
  --border-color-dark: #444;
  --bg-card-color: rgba(26, 26, 26, 0.7);
  --transition-fast: 0.3s ease;

  --bg-light: #f5f5f5;
  /* Um branco suave */
  --text-color-dark: #222;
  /* Um preto suave */
  --border-color-light: #ddd;
  /* Borda clara */

  /* Tipografia Responsiva */
  --font-size-base: 1rem;
  --font-size-small: 0.85rem;
  --font-size-h1: clamp(4rem, 11vw, 9rem);
  --font-size-h2: clamp(3rem, 7vw, 5.5rem);
  --font-size-h3: clamp(2rem, 5vw, 3rem);
  --font-size-subtitle: clamp(1.1rem, 2.5vw, 1.5rem);
  --font-size-paragraph: clamp(1rem, 1.5vw, 1.2rem);
}

/* ==========================================================================
   2. Reset e Estilos Globais
   ========================================================================== */
html {
  scroll-behavior: smooth;
}

/* --- INÍCIO DO BLOCO PARA SUBSTITUIR --- */

html,
body {
  width: 100%;
  margin: 0;
  padding: 0;
  font-family: "Oxanium", sans-serif;
  cursor: none;
  overflow-x: hidden;
  /* Previne o scroll horizontal */

  /* CORREÇÃO: Define a cor de texto padrão para todo o site. */
  color: var(--text-color);
}

/* --- FIM DO BLOCO PARA SUBSTITUIR --- */

/* ==========================================================================
   3. Efeitos de Fundo (Canvas e Ruído)
   ========================================================================== */
#background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  /* Coloca o fundo atrás de todo o conteúdo */
  background-color: var(--bg-color);
}

canvas {
  width: 100%;
  height: 100%;
}

.noise-effect:after {
  animation: grain 8s steps(10) infinite;
  background-image: url("../images/ruido.jpeg");
  content: "";
  height: 300%;
  left: -50%;
  opacity: 0.12;
  position: fixed;
  top: -110%;
  width: 300%;
  pointer-events: none;
  /* Garante que o ruído não bloqueia cliques */
}

@keyframes grain {

  0%,
  100% {
    transform: translate(0, 0);
  }

  10% {
    transform: translate(-5%, -10%);
  }

  20% {
    transform: translate(-15%, 5%);
  }

  30% {
    transform: translate(7%, -25%);
  }

  40% {
    transform: translate(-5%, 25%);
  }

  50% {
    transform: translate(-15%, 10%);
  }

  60% {
    transform: translate(15%, 0%);
  }

  70% {
    transform: translate(0%, 15%);
  }

  80% {
    transform: translate(3%, 35%);
  }

  90% {
    transform: translate(-10%, 10%);
  }
}

/* ==========================================================================
   4. Layout Principal (Header, Main, Footer, Secções)
   ========================================================================== */
main {
  width: 100%;
  position: relative;
  z-index: 2;
  /* Garante que o conteúdo principal fica à frente do fundo */

  /* CORREÇÃO DEFINITIVA: Removemos a regra que bloqueava todos os cliques. */
  /* pointer-events: none; <-- LINHA REMOVIDA */
}

footer {
  width: 100%;
  padding: 2rem 2vw;
  box-sizing: border-box;
  /* CORREÇÃO: Altera a cor de fundo para a nova cor com transparência */
  background-color: #0d0d0d70;
  border-top: 1px solid var(--border-color-dark);
  position: relative;
  z-index: 1;
  pointer-events: none;
}

.section {
  width: 100%;
  min-height: 100vh;
  padding: 10vh 0;
  box-sizing: border-box;
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.section.section-empty {
  min-height: auto;
  padding: 10vh 0;
  /* Keeps some padding but removes the full 100vh requirement */
}

.section-content {
  width: 100%;
  max-width: 1400px;
}

.section-title {
  text-transform: uppercase;
  font-size: var(--font-size-h2);
  margin-bottom: 1rem;
}

/* ==========================================================================
   5. Componentes Reutilizáveis (Navegação, Botões)
   ========================================================================== */

/* --- Navegação Superior --- */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 2rem 3rem;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 50;
  /* Z-index alto para ficar sempre visível */
  pointer-events: none;
}

.nav-left,
.nav-center,
.nav-right {
  flex: 1;
  display: flex;
  align-items: center;
}

.nav-left {
  justify-content: flex-start;
}

.nav-center {
  justify-content: center;
}

.nav-right {
  justify-content: flex-end;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
  pointer-events: auto;
  /* Garante que o logótipo é clicável */
  text-decoration: none;
  /* Garante que não tem sublinhado */
}

.logo img {
  height: 40px;
  width: auto;
  display: block;
}

.logo:hover {
  transform: rotate(-10deg);
}

.time,
.mouse-coords {
  font-family: "Doto", sans-serif;
  color: var(--text-color);
  font-size: var(--font-size-base);
}

/* --- Seletor de Língua --- */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  pointer-events: auto;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: "Doto", sans-serif;
  font-size: 0.8rem;
  color: var(--text-secondary-color);
  padding: 0.15rem 0.25rem;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
  pointer-events: auto;
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--text-color);
}

.lang-sep {
  font-family: "Doto", sans-serif;
  font-size: 0.8rem;
  color: var(--border-color-dark);
}

/* --- Navegação Vertical --- */
/* --- Navegação Vertical --- */
.vertical-nav {
  position: fixed;
  top: 50%;
  right: 3rem;
  transform: translateY(-50%);
  z-index: 50;
  pointer-events: none;
  /* Inativo por defeito */
}

/* Estado visível controlado por JS */
.vertical-nav.is-visible {
  pointer-events: auto;
}

.nav-list {
  /* Layout */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0;
  margin: 0;

  /* Visuals */
  list-style: none;
  background-color: var(--bg-card-color);
  border: 1px solid var(--border-color-dark);

  /* Animation Initial State (The "Ball") */
  opacity: 0;
  width: 60px;
  /* Fixed width */
  max-height: 60px;
  /* Constrained height (Ball) */
  border-radius: 30px;
  /* Circle shape (60px/2) - using px prevents oval distortion */
  overflow: hidden;
  /* Hide internal items */
  transform: translateX(100px) scale(0.5);
  /* Start off-screen */

  /* Transition Setup */
  transition:
    transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    /* Slide/Scale in */
    opacity 0.4s ease,
    max-height 0.6s ease,
    /* No delay for immediate expansion */
    border-radius 0.6s ease,
    /* Morph shape immediately */
    padding 0.6s ease;
  /* Expand padding immediately */

  /* Prevent shrinking too small */
  min-height: 0;
}

.vertical-nav.is-visible .nav-list {
  opacity: 1;
  transform: translateX(0) scale(1);

  /* Expanded State */
  width: max-content;
  /* Allow width to fit text */
  max-height: 600px;
  /* Target expansion height */
  border-radius: 50px;
  /* Pill shape */
  padding: 0.8rem 0.5rem;
}

.nav-item {
  border-radius: 50px;
  transition: background-color 0.4s ease-in-out;
}

.nav-link {
  display: flex;
  flex-direction: column-reverse;
  /* Ícone em baixo, texto em cima */
  align-items: center;
  padding: 0.5rem;
  text-decoration: none;
  color: var(--text-secondary-color);
  font-size: var(--font-size-small);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
}

.nav-icon {
  font-size: 1rem;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-text {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  max-height: 0;
  opacity: 0;
  transition: all 0.4s ease-in-out;
  margin-bottom: 0;
}

.nav-item:hover .nav-text {
  max-height: 100px;
  opacity: 1;
  margin-bottom: 1rem;
}

.nav-item:hover {
  background-color: #2a2a2a;
}

.nav-item:hover .nav-link {
  color: var(--text-color);
}

/* O botão toggle do menu mobile é invisível no desktop */
.mobile-nav-toggle {
  display: none;
}

/* --- Botões --- */
.btn-view-all,
.btn-send-message {
  font-family: "Oxanium", sans-serif;
  text-transform: uppercase;
  text-decoration: none;
  transition: all var(--transition-fast);
  margin-top: 0;
}

.btn-view-all {
  font-size: var(--font-size-base);
  color: var(--text-color);
  background-color: transparent;
  border: 1px solid #555;
  padding: 0.85rem 2.5rem;
  border-radius: 30px;
}

.btn-view-all:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
  border-color: var(--text-color);
}

.btn-secondary {
  font-size: var(--font-size-base);
  color: var(--text-color);
  background-color: transparent;
  border: 1px solid #555;
  padding: 0.85rem 2.5rem;
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
  border-color: var(--text-color);
}

.btn-send-message {
  font-size: 1.2rem;
  color: var(--bg-color);
  background-color: var(--text-color);
  border: none;
  padding: 1rem 3rem;
  border-radius: 40px;
  cursor: pointer;
}

.btn-send-message:hover {
  transform: scale(1.05);
}

/* ==========================================================================
   6. Estilos das Secções Específicas
   ========================================================================== */

/* --- Introdução (#intro) --- */
#intro {
  padding: 0;
}

.intro-element {
  position: fixed;
  left: 50%;
  z-index: 5;
  pointer-events: none;
}

.text-overlay {
  top: 45%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 85%;
}

.subtitle-text {
  font-size: var(--font-size-subtitle);
  text-align: center;
  margin-bottom: 2rem;
  color: var(--text-secondary-color);
}

.main-title {
  text-transform: uppercase;
  font-size: var(--font-size-h1);
  text-align: center;
  line-height: 1.05;
  font-weight: 700;
}

.astronaut-container {
  bottom: 8%;
  transform: translateX(-50%);
  z-index: 6;
}

.coffee-link {
  display: block;
  pointer-events: auto;
  width: 100%;
  height: 100%;
}

.coffee-container {
  position: relative;
  width: clamp(280px, 30vw, 450px);
  height: auto;
  aspect-ratio: 1 / 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.coffee-cup,
.coffee-saucer {
  position: absolute;
  width: 80%;
  /* Adjust as needed */
  height: auto;
  transition: transform var(--transition-fast);
}

.coffee-cup {
  z-index: 101;
  width: 60%;
  /* Smaller */
  top: -15%;
  /* Higher */
  left: 20%;
  animation: float-cup 6s ease-in-out infinite;
}

.coffee-saucer {
  z-index: 100;
  width: 95%;
  /* 5% smaller */
  top: 45%;
  left: -5%;
  /* Move left */
  animation: float-saucer 7s ease-in-out infinite;
}

/* ... existing hover effects ... */

@keyframes float-cup {

  0%,
  100% {
    transform: translateY(0) rotate(-5deg);
  }

  50% {
    transform: translateY(-25px) rotate(-5deg);
  }
}

@keyframes float-saucer {

  /* Rotate more to the right (positive/less negative) */
  0%,
  100% {
    transform: translateY(0) rotate(5deg);
  }

  50% {
    transform: translateY(-15px) rotate(5deg);
  }
}

/* --- Sobre Mim (#about) --- */
.about-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5rem;
  width: 100%;
}

.about-headline h1 {
  font-size: var(--font-size-h2);
  line-height: 1.1;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0;
}

.about-secondary-text {
  padding-top: 2rem;
  max-width: 55ch;
  margin-left: auto;
  text-align: right;
}

.about-secondary-text p {
  font-size: var(--font-size-paragraph);
  color: var(--text-secondary-color);
  line-height: 1.8;
}

.about-highlights {
  border-top: 1px solid var(--border-color-dark);
  padding-top: 2rem;
  text-align: right;
  font-size: 1.1rem;
}

/* --- Projetos (#projects) --- */
.projects-column-layout {
  display: flex;
  align-items: flex-start;
  /* Garante que está 'flex-start' */
  gap: 5rem;
  width: 100%;
  position: relative;
}

.projects-column-left {
  flex: 0 0 35%;
}

#projects .section-title {
  font-size: clamp(2rem, 6vw, 4.5rem);
  margin: 0px;
  text-transform: uppercase;
}

.projects-column-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.project-list {
  width: 100%;
  border-top: 1px solid var(--border-color-dark);
}

.project-list-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-color-dark);
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: background-color 0.4s ease;
}

.project-list-item:hover {
  background-color: var(--bg-card-color);
}

.project-title {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin: 0;
  text-transform: uppercase;
}

.project-tags {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  justify-content: flex-end;
}

.project-tags span {
  font-family: "Doto", sans-serif;
  font-size: var(--font-size-small);
  color: var(--text-secondary-color);
  background-color: #2b2b2b;
  padding: 0.35rem 1rem;
  border-radius: 20px;
}

.project-image-container {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 400px;
  height: 300px;
  border-radius: 12px;
  background-size: cover;
  background-position: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#projects .btn-view-all {
  margin-top: 3rem;
}

/* --- Playground (#playground - Marquee antigo) --- */
#playground {
  max-width: 100vw;
  padding: 15vh 0;
}

.playground-container-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5rem;
  width: 100%;
}

.playground-container {
  width: 150vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2rem;
  overflow: hidden;
  transform: rotate(-3deg);
}

.marquee-track {
  display: flex;
  gap: 2rem;
}

.playground-card {
  height: 300px;
  width: auto;
  flex-shrink: 0;
  border: 2px solid var(--border-color-dark);
  border-radius: 20px;
  padding: 1rem;
  background-color: var(--bg-card-color);
  transition: transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  z-index: 1;
}

.playground-card:hover {
  transform: scale(1.05);
}

.playground-card img {
  height: 100%;
  width: auto;
  object-fit: contain;
  display: block;
  border-radius: 10px;
  pointer-events: none;
}

/* --- Footer --- */
/* --- INÍCIO DO BLOCO PARA SUBSTITUIR --- */

/* --- INÍCIO DO BLOCO PARA SUBSTITUIR --- */

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  max-width: 1100px;
  /* Reduzido de 1400px para compactar horizontalmente */
  margin: 0 auto;
  /* Garante que fica centrado */
}

.footer-column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-column h4 {
  font-size: var(--font-size-small);
  text-transform: uppercase;
  color: var(--text-color);
  margin: 0 0 1.5rem 0;
  letter-spacing: 1px;
}

.footer-column a {
  display: inline-block;
  padding: 0.5rem 0;
  /* CORREÇÃO: Reduz a margem inferior para diminuir o espaçamento */
  margin-bottom: 0;
  border-radius: 20px;
  color: var(--text-secondary-color);
  text-decoration: none;
  font-size: var(--font-size-base);
  background-color: transparent;
  transition: all 0.3s ease;
  pointer-events: auto;
  /* Permite clicar nos links */
}

footer .footer-column a:hover {
  color: var(--text-color);
  background-color: #2a2a2a;
  padding: 0.5rem 1rem;
  margin-left: -1rem;
  margin-right: -1rem;
}

.footer-column p {
  color: var(--text-secondary-color);
  font-size: var(--font-size-base);
  /* CORREÇÃO: Reduz a margem inferior para diminuir o espaçamento */
  margin-bottom: 0;
  padding: 0.5rem 0;
  line-height: 0;
}

.footer-logo {
  align-items: flex-start;
}

.footer-logo-link {
  display: block;
  text-decoration: none;
}

.footer-logo-link img {
  height: 35px;
  width: auto;
  display: block;
}

.footer-logo span {
  font-family: "Doto", sans-serif;
  font-size: var(--font-size-small);
  margin-top: 1rem;
}

.footer-title-column {
  text-align: right;
  padding: 0.5rem 0;
}

/* --- FIM DO BLOCO PARA SUBSTITUIR --- */

/* ==========================================================================
   7. Formulário Conversacional
   ========================================================================== */
.contact-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4rem;
  width: 100%;
}

.retro-window {
  position: relative;
  background-color: var(--bg-card-color);
  border: 2px solid var(--border-color-dark);
  border-radius: 20px;
  padding: 5rem;
  width: 100%;
  box-sizing: border-box;
}

.conversational-form {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  line-height: 1.5;
  text-align: left;
}

.form-step {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  min-height: 3rem;
  margin-top: 1.5rem;
}

.conversational-form input,
.conversational-form select {
  font-family: "Oxanium", sans-serif;
  font-size: inherit;
  font-weight: 700;
  color: var(--text-color);
  background: none;
  border: none;
  border-bottom: 3px solid #666;
  outline: none;
  padding: 0.5rem 0;
  transition: border-color var(--transition-fast);
}

.conversational-form input:focus,
.conversational-form select:focus {
  border-bottom-color: var(--text-color);
}

.conversational-form select {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.conversational-form select:invalid {
  color: #666;
  font-weight: 400;
}

/* --- Estilos para o Passo de Confirmação do Formulário --- */
#final-message-preview {
  font-size: 1.2rem;
  color: var(--text-secondary-color);
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color-dark);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem 0;
  line-height: 1.6;
  text-align: left;
}

.confirmation-buttons {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  width: 100%;
}

#btn-edit-message {
  background-color: transparent;
  color: var(--text-secondary-color);
  border: 1px solid #555;
  padding: 1rem 3rem;
  border-radius: 40px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

#btn-edit-message:hover {
  background-color: var(--text-secondary-color);
  color: var(--bg-color);
  border-color: var(--text-secondary-color);
}

/* --- INÍCIO DO BLOCO PARA ADICIONAR --- */

/*
 * Correção de Legibilidade do Dropdown do Formulário:
 * Define um fundo escuro para o menu e as suas opções, garantindo
 * que o texto claro se mantenha legível.
 */
.conversational-form select {
  /* Adiciona um fundo escuro ao próprio <select> para consistência. */
  background-color: var(--bg-color);
}

.conversational-form option {
  /* Define o fundo e a cor do texto para cada <option> na lista. */
  background-color: var(--bg-color);
  color: var(--text-color);
}

/* --- FIM DO BLOCO PARA ADICIONAR --- */

/* ==========================================================================
   8. Helpers e Animações Globais
   ========================================================================== */

/* --- Reativação de Eventos do Rato --- */
/* Permite que elementos específicos sejam clicáveis quando o seu contentor tem 'pointer-events: none' */
a,
button,
input,
select,
.logo,
.project-list-item,
#helmet-container,
.playground-card,
.vertical-nav {
  pointer-events: all;
}

/* --- Títulos Animados --- */
.animated-title .line {
  text-transform: uppercase;
  color: rgba(252, 252, 238, 0.2);
  background: linear-gradient(to right, var(--text-color), var(--text-color)) no-repeat;
  -webkit-background-clip: text;
  background-clip: text;
  background-size: 0% 100%;
}

/* --- Helper para cálculo de largura de texto no JS --- */
.text-width-helper {
  position: absolute;
  top: -9999px;
  left: -9999px;
  visibility: hidden;
  height: auto;
  width: auto;
  white-space: pre;
}

/* --- Cursor do Typewriter --- */
.Typewriter__cursor {
  color: var(--text-color);
  animation: blink 0.7s infinite;
}

@keyframes blink {
  0% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

/* --- INÍCIO DO BLOCO PARA ADICIONAR --- */

/*
 * Correção de Alinhamento na Secção de Projetos:
 * Puxa a coluna da esquerda inteira (título e filtros) para cima,
 * para se alinhar com o topo da lista de projetos.
 */
#projects .projects-column-left {
  margin-top: -1rem;
  /* Podes ajustar este valor para o alinhamento perfeito */
}

/* --- FIM DO BLOCO PARA ADICIONAR --- */

/* --- INÍCIO DO BLOCO PARA ADICIONAR --- */

/* --- INÍCIO DO BLOCO PARA SUBSTITUIR (TODA A SECÇÃO #specialties) --- */

/* --- INÍCIO DO BLOCO PARA SUBSTITUIR (TODA A SECÇÃO #specialties) --- */

/* --- INÍCIO DO BLOCO PARA SUBSTITUIR (TODA A SECÇÃO #specialties) --- */

/* ==========================================================================
   9. Secção de Especialidades (Layout Tabela Periódica Final)
   ========================================================================== */

.specialties-container {
  width: 100%;
  margin-top: 4rem;
}

.periodic-grid {
  display: grid;
  /* Define uma grelha com 8 colunas para o nosso layout específico */
  grid-template-columns: repeat(8, 1fr);
  gap: 1rem;
}

.grid-item {
  background-color: transparent;
  border: 1px solid var(--border-color-dark);
  border-radius: 8px;
  padding: 1rem;
  aspect-ratio: 1 / 1;
  position: relative;
  /* Necessário para posicionar o número */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: all var(--transition-fast);
  pointer-events: all;
}

.grid-item:hover {
  border-color: var(--text-color);
  background-color: var(--bg-card-color);
  transform: scale(1.1);
  z-index: 2;
}

/* --- Estilo do Número no canto (lido do atributo data-number) --- */
.grid-item::before {
  content: attr(data-number);
  /* Lê o valor do atributo 'data-number' */
  position: absolute;
  top: 0.5rem;
  left: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-secondary-color);
  font-family: "Doto", sans-serif;
}

.grid-item strong {
  font-size: clamp(2rem, 4vw, 3rem);
  /* Letras grandes e responsivas */
  font-weight: 700;
  line-height: 1;
  color: var(--text-color);
}

.grid-item span {
  font-size: 0.8rem;
  color: var(--text-secondary-color);
  margin-top: 0.5rem;
}

/* --- Posicionamento dos Itens na Grelha de 8 Colunas --- */
/* Linha 1 */
.periodic-grid .grid-item:nth-child(1) {
  grid-column: 1;
}

.periodic-grid .grid-item:nth-child(2) {
  grid-column: 8;
}

/* Linha 2 */
.periodic-grid .grid-item:nth-child(3) {
  grid-column: 1;
}

.periodic-grid .grid-item:nth-child(4) {
  grid-column: 2;
}

.periodic-grid .grid-item:nth-child(5) {
  grid-column: 3;
}

.periodic-grid .grid-item:nth-child(6) {
  grid-column: 4;
}

.periodic-grid .grid-item:nth-child(7) {
  grid-column: 6;
}

.periodic-grid .grid-item:nth-child(8) {
  grid-column: 7;
}

.periodic-grid .grid-item:nth-child(9) {
  grid-column: 8;
}

/* NOVA Linha 3 (Programas) */
.periodic-grid .grid-item:nth-child(10) {
  grid-column: 2;
}

.periodic-grid .grid-item:nth-child(11) {
  grid-column: 3;
}

.periodic-grid .grid-item:nth-child(12) {
  grid-column: 4;
}

.periodic-grid .grid-item:nth-child(13) {
  grid-column: 5;
}

.periodic-grid .grid-item:nth-child(14) {
  grid-column: 6;
}

.periodic-grid .grid-item:nth-child(15) {
  grid-column: 7;
}

.periodic-grid .grid-item:nth-child(16) {
  grid-column: 8;
}

/* --- FIM DO BLOCO PARA SUBSTITUIR --- */

/* --- INÍCIO DO BLOCO PARA ADICIONAR --- */

/* --- Posicionamento dos Itens na Grelha de 8 Colunas --- */
/* Linha 1 */
.periodic-grid .grid-item:nth-child(1) {
  grid-column: 1;
}

.periodic-grid .grid-item:nth-child(2) {
  grid-column: 8;
}

/* Linha 2 */
.periodic-grid .grid-item:nth-child(3) {
  grid-column: 1;
}

.periodic-grid .grid-item:nth-child(4) {
  grid-column: 2;
}

.periodic-grid .grid-item:nth-child(5) {
  grid-column: 3;
}

.periodic-grid .grid-item:nth-child(6) {
  grid-column: 4;
}

.periodic-grid .grid-item:nth-child(7) {
  grid-column: 6;
}

.periodic-grid .grid-item:nth-child(8) {
  grid-column: 7;
}

.periodic-grid .grid-item:nth-child(9) {
  grid-column: 8;
}

/* NOVA Linha 3 (Programas) */
.periodic-grid .grid-item:nth-child(10) {
  grid-column: 2;
}

.periodic-grid .grid-item:nth-child(11) {
  grid-column: 3;
}

.periodic-grid .grid-item:nth-child(12) {
  grid-column: 4;
}

.periodic-grid .grid-item:nth-child(13) {
  grid-column: 5;
}

.periodic-grid .grid-item:nth-child(14) {
  grid-column: 6;
}

.periodic-grid .grid-item:nth-child(15) {
  grid-column: 7;
}

.periodic-grid .grid-item:nth-child(16) {
  grid-column: 8;
}

/* --- FIM DO BLOCO PARA ADICIONAR --- */

/* --- INÍCIO DO BLOCO PARA ADICIONAR --- */

/*
 * Correção de Alinhamento na Secção de Projetos:
 * Puxa a coluna da esquerda inteira (título e filtros) para cima,
 * para se alinhar com o topo da lista de projetos.
 */
#projects .projects-column-left {
  margin-top: -1rem;
  /* Podes ajustar este valor para o alinhamento perfeito */
}

/* --- FIM DO BLOCO PARA ADICIONAR --- */

/* ==========================================================================
   10. Custom Step Next Button (Minimal/Retro Arrow)
   ========================================================================== */
.step-next-btn {
  background: transparent;
  border: none;
  color: var(--text-color);
  font-size: 1.2rem;
  /* Matches input text size */
  cursor: pointer;
  padding: 0 0.5rem;
  margin-left: 0.5rem;
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast);
  opacity: 0.5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
}

.step-next-btn:hover {
  transform: translateX(5px);
  /* Move right to indicate 'next' */
  opacity: 1;
  color: var(--text-color);
}

.step-next-btn i {
  /* Slight glow to match the CRT/Digital vibe */
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}