/* ==========================================================================
   geovanikalil.site — estilos globais
   paleta: azul industrial (#0A1128) & verde terminal (#0FF05B)
   tipografia títulos (h1, h2): Planet Kosmos
   ========================================================================== */

@font-face {
  font-family: 'Planet Kosmos';
  src:
    url('../../public/fonts/PlanetKosmos.ttf') format('truetype'),
    url('../../public/fonts/PLANK___.TTF') format('truetype'),
    url('/public/fonts/PlanetKosmos.ttf') format('truetype'),
    url('/public/fonts/PLANK___.TTF') format('truetype'),
    url('/fonts/PlanetKosmos.ttf') format('truetype'),
    url('/fonts/PLANK___.TTF') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Paleta Principal: Azul Industrial (#0A1128) */
  --bg-primary: #0A1128;
  --bg-secondary: #070c1d;
  --bg-surface: rgba(13, 23, 54, 0.78);
  --bg-surface-hover: rgba(18, 32, 72, 0.92);
  --bg-elevated: #0f1a3c;

  /* Texto Principal */
  --text-primary: #ffffff;
  --text-secondary: #ffffff;
  --text-muted: #ffffff;

  /* Destaques: Verde Terminal (#0FF05B) */
  --accent-terminal: #0FF05B;
  --accent-light-blue: #0FF05B;
  --accent-cyan: #0FF05B;
  --accent-sky: #0FF05B;
  --accent-dark-blue: #0A1128;
  --accent-glow: rgba(15, 240, 91, 0.18);
  --accent-glow-strong: rgba(15, 240, 91, 0.35);
  --accent-subtle: rgba(15, 240, 91, 0.1);

  /* Bordas e Divisores */
  --border-subtle: rgba(15, 240, 91, 0.18);
  --border-blue: rgba(15, 240, 91, 0.35);
  --border-blue-strong: rgba(15, 240, 91, 0.7);

  /* Tipografia */
  --font-display: 'Planet Kosmos', 'Inter', sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --font-serif-logo: 'Instrument Serif', Georgia, 'Times New Roman', serif;

  /* Espaçamento e Layout */
  --container-max: 1140px;
  --header-height: 76px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transições */
  --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 260ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Título Principal do Início (geovani kALiL // the wired) com Planet Kosmos */
.hero-title {
  font-family: var(--font-display);
  font-weight: normal;
  letter-spacing: 0.03em;
}

/* Fundo Fumaceado Fosco Reativo ao Scroll sobre Azul Industrial (#0A1128) */
.bg-ambient {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
  background-color: #070d1f;
  --smoke-x1: 0px;
  --smoke-y1: 0px;
  --smoke-rot1: 0deg;
  --smoke-scale1: 1;
  --smoke-x2: 0px;
  --smoke-y2: 0px;
  --smoke-rot2: 0deg;
}

.bg-ambient::before,
.bg-ambient::after {
  content: '';
  position: absolute;
  inset: -45%;
  pointer-events: none;
  will-change: transform;
  transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Camada de fumaça 1: nuvens foscas que se deslocam e giram conforme o scroll */
.bg-ambient::before {
  background:
    radial-gradient(ellipse 36% 28% at 24% 25%, rgba(56, 98, 185, 0.72) 0%, transparent 68%),
    radial-gradient(ellipse 40% 30% at 78% 36%, rgba(15, 240, 91, 0.22) 0%, transparent 65%),
    radial-gradient(ellipse 45% 35% at 28% 68%, rgba(2, 4, 12, 0.92) 0%, transparent 70%),
    radial-gradient(ellipse 38% 32% at 68% 74%, rgba(42, 78, 156, 0.68) 0%, transparent 68%),
    radial-gradient(ellipse 32% 26% at 50% 48%, rgba(76, 122, 215, 0.5) 0%, transparent 62%);
  filter: blur(50px);
  transform: translate3d(var(--smoke-x1), var(--smoke-y1), 0) rotate(var(--smoke-rot1)) scale(var(--smoke-scale1));
}

/* Camada de fumaça 2: contra-movimento no scroll para sensação de profundidade fosca */
.bg-ambient::after {
  background:
    radial-gradient(ellipse 42% 30% at 72% 20%, rgba(2, 5, 14, 0.9) 0%, transparent 68%),
    radial-gradient(ellipse 36% 34% at 22% 48%, rgba(15, 240, 91, 0.18) 0%, transparent 65%),
    radial-gradient(ellipse 44% 32% at 62% 58%, rgba(52, 92, 178, 0.65) 0%, transparent 70%),
    radial-gradient(ellipse 38% 28% at 38% 82%, rgba(66, 110, 200, 0.55) 0%, transparent 68%);
  filter: blur(60px);
  mix-blend-mode: screen;
  transform: translate3d(var(--smoke-x2), var(--smoke-y2), 0) rotate(var(--smoke-rot2));
}

/* Camada fosca (matte glass sem linhas/quadriculado) */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  backdrop-filter: blur(38px) saturate(120%);
  -webkit-backdrop-filter: blur(38px) saturate(120%);
  background-color: rgba(10, 17, 40, 0.22);
}

/* Seleção de Texto em Verde Terminal */
::selection {
  background: rgba(15, 240, 91, 0.3);
  color: #ffffff;
}

/* Tipografia & Utilitários */
a {
  color: #ffffff;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast), border-color var(--transition-fast);
}

ul {
  list-style: none;
}

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

code,
pre,
.text-accent {
  color: var(--accent-terminal);
}

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

.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 3.25rem;
  max-width: 680px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent-terminal);
  background: var(--accent-subtle);
  border: 1px solid var(--border-blue);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: #ffffff;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  white-space: nowrap;
  color: #ffffff;
}

.btn-primary {
  background: rgba(15, 240, 91, 0.14);
  color: var(--accent-terminal);
  border-color: var(--accent-terminal);
  box-shadow: 0 4px 20px -2px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--accent-terminal);
  color: #0A1128;
  box-shadow: 0 8px 26px -2px var(--accent-glow-strong);
}

.btn-secondary {
  background: rgba(10, 17, 40, 0.85);
  color: #ffffff;
  border-color: var(--border-blue);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(15, 240, 91, 0.1);
  border-color: var(--accent-terminal);
  color: var(--accent-terminal);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-terminal);
  padding: 0.55rem 0.9rem;
  font-size: 0.875rem;
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background: var(--accent-subtle);
  border-color: var(--border-subtle);
}

/* ==========================================================================
   Header / Navbar & Logo "kLL"
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(10, 17, 40, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.65);
}

.nav-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #0A1128;
  border: 1px solid var(--accent-terminal);
  display: grid;
  place-items: center;
  font-family: var(--font-serif-logo);
  font-size: 1.45rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.02em;
  color: #ecf8ff;
  box-shadow: 0 0 16px var(--accent-glow);
}

.brand-text {
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: #ffffff;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-terminal);
  background: var(--accent-subtle);
  border-color: var(--border-subtle);
}

.nav-cta {
  margin-left: 0.4rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
}

/* Language Switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: rgba(7, 12, 29, 0.85);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-full);
  padding: 0.2rem;
  margin-left: 0.35rem;
}

.lang-btn {
  background: transparent;
  border: none;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  opacity: 0.65;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  opacity: 1;
}

.lang-btn.active {
  background: rgba(15, 240, 91, 0.18);
  color: var(--accent-terminal);
  opacity: 1;
  box-shadow: 0 0 10px var(--accent-glow);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--accent-terminal);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.mobile-menu-btn:hover {
  border-color: var(--accent-terminal);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  background: rgba(7, 12, 29, 0.85);
  border: 1px solid var(--border-blue);
  font-size: 0.825rem;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-terminal);
  box-shadow: 0 0 10px var(--accent-terminal);
  animation: pulseDot 2.2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(1.25);
  }
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.2;
  margin-bottom: 1.35rem;
  color: #ffffff;
  text-shadow: 0 0 24px rgba(15, 240, 91, 0.2);
}

.hero-description {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: #ffffff;
  max-width: 600px;
  margin-bottom: 2.25rem;
}

.hero-description strong {
  color: var(--accent-terminal);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.75rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  max-width: 560px;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-terminal);
}

.metric-label {
  font-size: 0.825rem;
  color: #ffffff;
}

/* Hero Terminal / Profile Card */
.hero-visual {
  position: relative;
}

.terminal-card {
  background: linear-gradient(180deg, rgba(13, 23, 54, 0.92) 0%, rgba(7, 12, 29, 0.96) 100%);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-lg);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.75),
    0 0 40px -10px var(--accent-glow);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: rgba(5, 9, 22, 0.9);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: 0.45rem;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.blue-1 { background: rgba(15, 240, 91, 0.3); }
.terminal-dot.blue-2 { background: rgba(15, 240, 91, 0.6); }
.terminal-dot.blue-3 { background: #0FF05B; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-terminal);
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--accent-terminal);
  overflow-x: auto;
}

.terminal-code {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-mono);
  color: var(--accent-terminal);
}

/* ==========================================================================
   Sobre Mim (About Section)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: start;
}

.about-content p {
  color: #ffffff;
  font-size: 1.04rem;
  margin-bottom: 1.25rem;
}

.about-content p strong {
  color: var(--accent-terminal);
  font-weight: 700;
}

.timeline-list {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.timeline-item {
  padding: 1.25rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-terminal);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.timeline-item:hover {
  transform: translateX(4px);
  border-color: var(--border-blue-strong);
  border-left-color: var(--accent-terminal);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-terminal);
  margin-bottom: 0.25rem;
}

.timeline-role {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.3rem;
}

.timeline-desc {
  font-size: 0.92rem;
  color: #ffffff;
}

/* Skills / Stack Card */
.skills-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.skills-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent-terminal);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.skill-group {
  margin-bottom: 1.5rem;
}

.skill-group:last-child {
  margin-bottom: 0;
}

.skill-group-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--accent-terminal);
  margin-bottom: 0.65rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-terminal);
  background: rgba(15, 240, 91, 0.08);
  border: 1px solid var(--border-blue);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.tag:hover {
  background: rgba(15, 240, 91, 0.2);
  border-color: var(--accent-terminal);
  color: #ffffff;
}

/* ==========================================================================
   Projetos Técnicos (Projects Section)
   ========================================================================== */
.projects-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  background: var(--bg-surface);
  color: #ffffff;
  border: 1px solid var(--border-subtle);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--accent-terminal);
  border-color: var(--border-blue);
}

.filter-btn.active {
  background: rgba(15, 240, 91, 0.15);
  color: var(--accent-terminal);
  border-color: var(--accent-terminal);
  box-shadow: 0 0 16px var(--accent-glow);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.75rem;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-terminal), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover {
  transform: translateY(-5px);
  background: var(--bg-surface-hover);
  border-color: var(--border-blue-strong);
  box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.8), 0 0 24px -6px var(--accent-glow);
}

.project-card:hover::before {
  opacity: 1;
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.project-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-blue);
  display: grid;
  place-items: center;
  color: var(--accent-terminal);
}

.project-links {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.project-link-icon {
  color: var(--accent-terminal);
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.project-link-icon:hover {
  background: var(--accent-subtle);
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-terminal);
  margin-bottom: 0.35rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.65rem;
}

.project-desc {
  font-size: 0.94rem;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.project-stack-item {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-terminal);
}

.project-stack-item:not(:last-child)::after {
  content: '•';
  margin-left: 0.45rem;
  color: #ffffff;
}

/* ==========================================================================
   Artigos & Discussões (Articles Section)
   ========================================================================== */
.articles-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.article-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
  cursor: pointer;
}

.article-card:hover {
  transform: translateY(-4px);
  background: var(--bg-surface-hover);
  border-color: var(--border-blue-strong);
  box-shadow: 0 12px 32px -10px rgba(0, 0, 0, 0.8);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.article-topic {
  color: var(--accent-terminal);
  background: var(--accent-subtle);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-blue);
}

.article-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.7rem;
  line-height: 1.35;
}

.article-summary {
  font-size: 0.94rem;
  color: #ffffff;
  margin-bottom: 1.35rem;
}

.article-readmore {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-terminal);
  margin-top: auto;
}

/* Article Modal Reader */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(7, 12, 29, 0.88);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  width: 100%;
  max-width: 740px;
  max-height: 85vh;
  overflow-y: auto;
  background: #0A1128;
  border: 1px solid var(--border-blue-strong);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.95);
  transform: translateY(16px);
  transition: transform var(--transition-base);
}

.modal-backdrop.open .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-close {
  background: var(--accent-subtle);
  border: 1px solid var(--border-blue);
  color: var(--accent-terminal);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.modal-close:hover {
  border-color: var(--accent-terminal);
}

.modal-body p {
  color: #ffffff;
  margin-bottom: 1.15rem;
  font-size: 1.02rem;
}

.modal-body h4 {
  color: var(--accent-terminal);
  font-size: 1.15rem;
  margin: 1.5rem 0 0.6rem;
}

.modal-body pre {
  background: #070c1d;
  border: 1px solid var(--border-subtle);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-terminal);
  margin-bottom: 1.15rem;
}

/* ==========================================================================
   Contato & Links (Contact Section)
   ========================================================================== */
.contact-box {
  background: linear-gradient(135deg, rgba(13, 23, 54, 0.92) 0%, rgba(7, 12, 29, 0.96) 100%);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.85), 0 0 35px -12px var(--accent-glow);
}

.contact-email-box {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(7, 12, 29, 0.9);
  border: 1px solid var(--border-blue);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-terminal);
}

.copy-btn {
  background: var(--accent-subtle);
  color: var(--accent-terminal);
  border: 1px solid var(--border-blue);
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: var(--accent-terminal);
  color: #0A1128;
  border-color: var(--accent-terminal);
}

.social-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.social-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  background: rgba(7, 12, 29, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.social-card:hover {
  border-color: var(--accent-terminal);
  background: var(--accent-subtle);
  transform: translateY(-2px);
}

.social-icon {
  color: var(--accent-terminal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: #ffffff;
}

.social-handle {
  font-size: 0.78rem;
  color: var(--accent-terminal);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  color: #ffffff;
}

.site-footer strong {
  color: var(--accent-terminal);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: calc(var(--header-height) + 2.5rem);
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(10, 17, 40, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-blue);
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 1.5rem;
    gap: 0.5rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 0.5rem;
    text-align: center;
  }

  .section {
    padding: 4.5rem 0;
  }

  .contact-box {
    padding: 2rem 1.5rem;
  }

  .social-links-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .projects-grid,
  .articles-list {
    grid-template-columns: 1fr;
  }
}