/* ====================================================================
   PORTFÓLIO — ISAQUE FÉLIX
   Tema dark premium (padrão) + light mode via [data-theme="light"].
   Tudo controlado por variáveis CSS para troca de tema sem "flash".
   ==================================================================== */

/* ========== VARIÁVEIS DE TEMA ========== */
:root {
  color-scheme: dark;

  /* Fundo em camadas (quase-preto profundo → superfícies elevadas) */
  --color-bg: #060609;
  --color-bg-soft: #0b0b10;
  --color-surface: #101016;
  --color-surface-2: #15151d;
  --color-border: #23232e;
  --color-border-strong: #343441;

  /* Texto (contraste AA garantido sobre os fundos acima) */
  --color-text: #f2f2f5;
  --color-text-muted: #a4a5b3;

  /* Accent índigo — polido, usado com parcimônia */
  --color-accent: #818cf8;
  --color-accent-text: #a5b4fc;      /* texto accent sobre fundo escuro */
  --color-accent-contrast: #0a0a14;  /* texto sobre fundo accent */
  --color-accent-border: rgba(129, 140, 248, 0.45);
  --color-accent-soft: rgba(129, 140, 248, 0.08);
  --color-accent-glow: rgba(129, 140, 248, 0.16);

  --nav-bg: rgba(6, 6, 9, 0.78);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 18px 46px rgba(0, 0, 0, 0.55);
  --hero-grad-from: var(--color-text);
  --hero-grad-to: var(--color-text-muted);

  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 8px;
  --radius-lg: 14px;
  --transition: 0.2s ease;
  --nav-height: 72px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----- Light mode: definido de verdade, não apenas invertido ----- */
[data-theme="light"] {
  color-scheme: light;

  --color-bg: #f6f6f9;
  --color-bg-soft: #eef0f5;
  --color-surface: #ffffff;
  --color-surface-2: #f3f4f8;
  --color-border: #e3e5ec;
  --color-border-strong: #c9ccd8;

  --color-text: #16171d;
  --color-text-muted: #545666;

  --color-accent: #4f46e5;
  --color-accent-text: #4338ca;
  --color-accent-contrast: #ffffff;
  --color-accent-border: rgba(79, 70, 229, 0.35);
  --color-accent-soft: rgba(79, 70, 229, 0.06);
  --color-accent-glow: rgba(79, 70, 229, 0.14);

  --nav-bg: rgba(246, 246, 249, 0.82);
  --shadow-card: 0 8px 24px rgba(23, 24, 32, 0.07);
  --shadow-card-hover: 0 16px 40px rgba(23, 24, 32, 0.13);
  --hero-grad-from: #16171d;
  --hero-grad-to: #4b4d5c;
}

/* ========== RESET E BASE ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.35s ease, color 0.35s ease;
}

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--color-text-muted); }

img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========== FUNDO: CÓDIGO EM MOVIMENTO (mantido, adaptado ao tema) ========== */
.code-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.code-line {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  animation: code-rise linear forwards;
}

@keyframes code-rise {
  0%   { transform: translateY(100vh) translateX(0); opacity: 0; }
  8%   { opacity: 0.18; }
  85%  { opacity: 0.18; }
  100% { transform: translateY(-80px) translateX(10px); opacity: 0; }
}

.code-js   { color: rgba(255, 255, 255, 0.12); }
.code-html { color: rgba(255, 255, 255, 0.10); }
.code-css  { color: rgba(255, 255, 255, 0.14); }
.code-py   { color: rgba(255, 255, 255, 0.11); }
.code-sql  { color: rgba(255, 255, 255, 0.13); }
.code-lua  { color: rgba(255, 255, 255, 0.12); }

[data-theme="light"] .code-js   { color: rgba(28, 30, 58, 0.13); }
[data-theme="light"] .code-html { color: rgba(28, 30, 58, 0.11); }
[data-theme="light"] .code-css  { color: rgba(28, 30, 58, 0.15); }
[data-theme="light"] .code-py   { color: rgba(28, 30, 58, 0.12); }
[data-theme="light"] .code-sql  { color: rgba(28, 30, 58, 0.14); }
[data-theme="light"] .code-lua  { color: rgba(28, 30, 58, 0.13); }

.code-canvas::before,
.code-canvas::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 120px;
  z-index: 1;
  pointer-events: none;
}

.code-canvas::before { top: 0; background: linear-gradient(to bottom, var(--color-bg), transparent); }
.code-canvas::after  { bottom: 0; background: linear-gradient(to top, var(--color-bg), transparent); }

/* ========== NAVEGAÇÃO ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.35s ease;
}

/* Sublinha e sombra sutis só depois de rolar */
.nav--scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.nav-logo:hover { color: var(--color-accent-text); }

.nav-links {
  display: flex;
  gap: 1.75rem;
}

.nav-links a {
  position: relative;
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.25rem 0;
}

/* Micro-interação: sublinhado que desliza */
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-accent);
  transition: right 0.3s var(--ease-out);
}

.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after { right: 0; }

/* Ações à direita: alternador de tema + hambúrguer */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition),
              background var(--transition), transform var(--transition);
}

.theme-toggle:hover {
  color: var(--color-accent-text);
  border-color: var(--color-accent-border);
  background: var(--color-accent-soft);
  transform: rotate(12deg);
}

.theme-toggle svg { flex-shrink: 0; }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 820px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg-soft);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.5rem;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
  }

  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* ========== BOTÕES ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.65rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid var(--color-border);
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition), filter var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  border-color: transparent;
  box-shadow: 0 8px 26px var(--color-accent-glow);
}

.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--color-accent-glow);
}

.btn-primary:active { transform: translateY(0); filter: brightness(0.98); }

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + 2rem) 1.5rem 4rem;
  position: relative;
}

.hero-bg {
  position: absolute;
  inset: -20% 0 0;
  background:
    radial-gradient(ellipse 70% 42% at 50% 8%, var(--color-accent-glow), transparent 62%),
    radial-gradient(ellipse 50% 30% at 50% 0%, var(--color-accent-soft), transparent 60%);
  pointer-events: none;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, var(--color-bg) 42%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.hero-name {
  font-size: clamp(2.75rem, 12vw, 4.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  background: linear-gradient(135deg, var(--hero-grad-from) 0%, var(--hero-grad-to) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-accent-text);
  letter-spacing: 0.01em;
}

.hero-tagline {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 2.25rem;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  z-index: 2;
}

.hero-scroll-icon {
  color: var(--color-text-muted);
  opacity: 0.7;
  animation: scroll-bounce 2.2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(5px); }
}

/* ========== SEÇÕES ========== */
.main-content {
  position: relative;
  z-index: 10;
}

.section {
  padding: 5rem 0;
  scroll-margin-top: var(--nav-height);
}

#inicio { scroll-margin-top: 0; }

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

/* Traço accent discreto sob o título da seção */
.section-title::after {
  content: '';
  display: block;
  width: 2.25rem;
  height: 3px;
  border-radius: 3px;
  margin-top: 0.65rem;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 2.25rem;
}

/* Animação de entrada (fallback CSS via IntersectionObserver) */
[data-animate] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Quando o GSAP assume as animações, o CSS sai da frente */
.gsap-on [data-animate] {
  opacity: 1;
  transform: none;
  transition: none;
}

/* ========== SOBRE ========== */
.section-about { background: var(--color-bg-soft); }

.about-grid { max-width: 640px; }

.about-text {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.about-text strong { color: var(--color-text); }

.about-text-en {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

/* ========== CARDS GENÉRICOS (formação / experiências) ========== */
.education-cards,
.experience-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow 0.3s ease,
              transform 0.3s var(--ease-out), background 0.35s ease;
}

.card-icon {
  margin-bottom: 1rem;
  color: var(--color-accent-text);
  display: flex;
  align-items: center;
}

.card-icon svg { flex-shrink: 0; }

.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card p,
.card-meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.section-experience { background: var(--color-bg-soft); }
.card-experience p { margin-top: 0.5rem; }

/* ========== CURSOS ========== */
.section-courses { background: var(--color-bg); }

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.course-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--transition), box-shadow 0.3s ease,
              transform 0.3s var(--ease-out), background 0.35s ease;
}

.course-org {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.course-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  line-height: 1.35;
}

.course-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ========== HABILIDADES ========== */
.section-skills { background: var(--color-bg-soft); }

.skills-balloons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.skills-balloon {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.5rem;
  min-width: 260px;
  flex: 1;
  max-width: 380px;
  transition: box-shadow 0.3s ease, border-color 0.2s ease,
              transform 0.3s var(--ease-out), background 0.35s ease;
}

.skills-balloon:hover {
  border-color: var(--color-accent-border);
  box-shadow: 0 0 28px var(--color-accent-soft);
  transform: translateY(-3px);
}

.skills-balloon-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
}

.skills-icon {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent-text);
}

.skills-icon svg { flex-shrink: 0; }

.skills-balloon-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ====================================================================
   PROJETOS
   ==================================================================== */
.section-projects { background: var(--color-bg-soft); }

/* ----- Barra de filtro por categoria (chips) ----- */
.projects-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 2.25rem;
}

.projects-filter:empty { display: none; }

.filter-chip {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
}

.filter-chip:hover {
  color: var(--color-text);
  border-color: var(--color-accent-border);
  transform: translateY(-1px);
}

.filter-chip[aria-pressed="true"] {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  border-color: transparent;
  box-shadow: 0 6px 18px var(--color-accent-glow);
}

.filter-chip-count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  opacity: 0.75;
  margin-left: 0.35rem;
}

/* ----- Títulos das subseções ----- */
.projects-featured-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1rem;
  letter-spacing: 0.01em;
}

.projects-featured {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.1rem;
  margin-bottom: 2.75rem;
}

.projects-featured:empty { display: none; }

.projects-repos-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.projects-repos-subtitle {
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

/* ----- Grade de projetos ----- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

/* ----- Card de projeto: foco no TÍTULO, sem ícones/covers.
       O card inteiro é um link; no hover revela subtítulo,
       tags de tech e o call-to-action "Abrir →". ----- */
.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.4rem;
  color: var(--color-text);
  overflow: hidden;
  will-change: transform;
  transition: transform 0.32s var(--ease-out), border-color 0.25s ease,
              box-shadow 0.32s ease, background 0.35s ease;
}

/* Filete accent no topo — acende no hover (o "brilho") */
.project-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 5%, var(--color-accent), transparent 95%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.project-card:hover,
.project-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--color-accent-border);
  box-shadow: var(--shadow-card-hover), 0 0 0 1px var(--color-accent-border) inset;
}

.project-card:hover::after,
.project-card:focus-visible::after { opacity: 0.9; }

/* Estado de repouso: só título + chips (categoria / linguagem) */
.project-card-top {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.project-name {
  font-weight: 650;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--color-text);
  transition: color 0.25s ease;
}

.project-card:hover .project-name,
.project-card:focus-visible .project-name { color: var(--color-accent-text); }

/* ----- Chips (categoria, linguagem e tech) ----- */
.project-chips,
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1;
  padding: 0.34rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.chip-category {
  color: var(--color-accent-text);
  border-color: var(--color-accent-border);
  background: var(--color-accent-soft);
}

/* ----- Área revelada no hover (fade + slide) ----- */
.project-card-reveal {
  display: grid;
  grid-template-rows: 0fr;                 /* colapsado em repouso */
  opacity: 0;
  transform: translateY(8px);
  transition: grid-template-rows 0.38s var(--ease-out),
              opacity 0.3s ease, transform 0.38s var(--ease-out);
}

.project-card-reveal-inner {
  overflow: hidden;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.project-card:hover .project-card-reveal,
.project-card:focus-visible .project-card-reveal,
.project-card:focus-within .project-card-reveal {
  grid-template-rows: 1fr;
  opacity: 1;
  transform: translateY(0);
}

/* No toque (sem hover), o conteúdo fica sempre visível */
@media (hover: none) {
  .project-card-reveal {
    grid-template-rows: 1fr;
    opacity: 1;
    transform: none;
  }
}

.project-subtitle {
  font-size: 0.86rem;
  color: var(--color-text);
  opacity: 0.88;
  line-height: 1.5;
  margin: 0;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-tech-item {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.34rem 0.55rem;
  white-space: nowrap;
}

/* Rodapé do card: CTA "Abrir →" + link do código + data */
.project-card-footer {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.15rem;
}

.project-open {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-text);
}

.project-open .arrow {
  display: inline-block;
  transition: transform 0.25s var(--ease-out);
}

.project-card:hover .project-open .arrow { transform: translateX(4px); }

.project-sublink {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.project-sublink:hover,
.project-sublink:focus-visible { color: var(--color-text); }

.project-date {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-text-muted);
}

/* ----- Destaques: card um pouco maior, com selo ----- */
.project-card-featured {
  padding: 1.85rem 1.65rem;
  background: linear-gradient(165deg, var(--color-surface-2), var(--color-surface) 70%);
  border-color: var(--color-border-strong);
}

.project-card-featured .project-name { font-size: 1.32rem; }

.project-card-featured::before {
  content: 'Destaque';
  position: absolute;
  top: 0.85rem;
  right: 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  border: 1px solid var(--color-accent-border);
  background: var(--color-accent-soft);
  border-radius: 999px;
  padding: 0.28rem 0.55rem;
  pointer-events: none;
}

/* ----- Badges (Online, Vercel etc.) ----- */
.project-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1;
  padding: 0.32rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-accent-soft);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.badge-green  { color: #7ee2a8; border-color: rgba(126, 226, 168, 0.3); background: rgba(126, 226, 168, 0.08); }
.badge-blue   { color: #88b9ff; border-color: rgba(136, 185, 255, 0.3); background: rgba(136, 185, 255, 0.08); }
.badge-amber  { color: #ffcf7a; border-color: rgba(255, 207, 122, 0.3); background: rgba(255, 207, 122, 0.08); }
.badge-red    { color: #ff9a9a; border-color: rgba(255, 154, 154, 0.3); background: rgba(255, 154, 154, 0.08); }
.badge-purple { color: #c4a8ff; border-color: rgba(196, 168, 255, 0.3); background: rgba(196, 168, 255, 0.08); }
.badge-slate  { color: var(--color-text-muted); }

/* Badges no light mode: tons escuros para manter contraste AA */
[data-theme="light"] .badge-green  { color: #0e7a44; border-color: rgba(14, 122, 68, 0.3);  background: rgba(14, 122, 68, 0.07); }
[data-theme="light"] .badge-blue   { color: #1d4ed8; border-color: rgba(29, 78, 216, 0.3);  background: rgba(29, 78, 216, 0.06); }
[data-theme="light"] .badge-amber  { color: #a16207; border-color: rgba(161, 98, 7, 0.3);   background: rgba(161, 98, 7, 0.07); }
[data-theme="light"] .badge-red    { color: #b91c1c; border-color: rgba(185, 28, 28, 0.3);  background: rgba(185, 28, 28, 0.06); }
[data-theme="light"] .badge-purple { color: #6d28d9; border-color: rgba(109, 40, 217, 0.3); background: rgba(109, 40, 217, 0.06); }

/* ----- Estados de carregamento / vazio ----- */
.projects-loading,
.projects-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  padding: 1.5rem 0;
}

.projects-empty a {
  color: var(--color-text);
  text-decoration: underline;
}

/* ----- Seções de categoria ----- */
.category-section { margin-top: 2.75rem; }
.category-section:first-child { margin-top: 1rem; }

.category-header {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-border);
}

.category-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-accent-text);
}

.category-heading { min-width: 0; }

.category-label {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.category-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
  line-height: 1.4;
}

.category-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 0.25rem 0 0;
  line-height: 1.45;
}

/* ----- Animação do filtro (fade + scale suave) -----
   .filter-anim é aplicada pelo JS só DURANTE a filtragem, para não
   conflitar com as transições de hover nem com os tweens do GSAP. */
.filter-anim {
  transition: opacity 0.28s ease, transform 0.3s var(--ease-out) !important;
}

.filter-out {
  opacity: 0 !important;
  transform: scale(0.97) translateY(6px) !important;
  pointer-events: none;
}

/* ========== CONTATO ========== */
.contact-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  transition: border-color var(--transition), transform 0.3s var(--ease-out),
              box-shadow 0.3s ease, background 0.35s ease;
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 11px;
  background: var(--color-accent-soft);
  color: var(--color-accent-text);
  border-radius: var(--radius);
  transition: transform 0.25s var(--ease-out);
}

.contact-card:hover .contact-icon { transform: scale(1.08); }

.contact-icon svg {
  width: 100%;
  height: 100%;
  color: inherit;
}

.contact-label { font-weight: 600; font-size: 1rem; }

.contact-value {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ========== FOOTER ========== */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-copy {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ========== POLIMENTO DE INTERAÇÕES ========== */
.card:hover,
.course-item:hover,
.contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-card);
}

.project-card-featured:hover { box-shadow: var(--shadow-card-hover); }

/* Foco visível, acessível e consistente (accent) */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.project-card:focus-visible,
.project-sublink:focus-visible,
.filter-chip:focus-visible,
.theme-toggle:focus-visible,
.contact-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius);
}

.filter-chip:focus-visible,
.theme-toggle:focus-visible { border-radius: 999px; }

/* ========== MOVIMENTO REDUZIDO ========== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .code-line { animation: none; opacity: 0; }
  .hero-scroll-icon { animation: none; }

  [data-animate] { opacity: 1; transform: none; transition: none; }

  .card, .course-item, .project-card, .contact-card, .btn,
  .skills-balloon, .filter-chip, .theme-toggle, .project-card-reveal,
  .project-open .arrow, .contact-icon, .nav-links a::after {
    transition: none;
  }

  .card:hover, .course-item:hover, .project-card:hover,
  .contact-card:hover, .skills-balloon:hover, .btn-primary:hover {
    transform: none;
  }

  /* Sem animação de revelar: conteúdo do card sempre visível */
  .project-card-reveal {
    grid-template-rows: 1fr;
    opacity: 1;
    transform: none;
  }

  .filter-anim { transition: none !important; }
}

/* ========== RESPONSIVIDADE FINA ========== */
@media (max-width: 640px) {
  .section { padding: 3.5rem 0; }

  .projects-featured { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }

  .project-card-featured { padding: 1.5rem 1.35rem; }
  .project-card-featured .project-name { font-size: 1.2rem; }

  .hero-tagline { font-size: 0.95rem; }
  .contact-links { gap: 1rem; }
}