/* =========================================================
   PORTFÓLIO — LUCAS VELOZO  v2.0
   Design tokens: Preto profundo + Amarelo vibrante
   Sem frameworks. Sem !important desnecessário.
   ========================================================= */

/* ============================================================
   1. CSS VARIABLES — Dark Mode (padrão)
   ============================================================ */
:root {
  /* Cores base */
  --color-bg: #0a0a0a;
  --color-bg-elevated: #131313;
  --color-bg-elevated-2: #1a1a1a;
  --color-border: #2a2a2a;
  --color-border-soft: #1e1e1e;

  --color-text: #f2f2ef;
  --color-text-muted: #9c9c97;
  --color-text-faint: #6b6b67;

  --color-yellow: #ffd100;
  --color-yellow-dim: #cca300;
  --color-yellow-soft: rgba(255, 209, 0, 0.08);
  --color-yellow-soft-str: rgba(255, 209, 0, 0.16);
  --color-yellow-glow: rgba(255, 209, 0, 0.25);
  /* Texto sobre fundo amarelo (ex.: botão primário) — fixo, não muda com o tema */
  --color-on-yellow: #0a0a0a;

  /* Tipografia */
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout */
  --container-width: 1120px;
  --radius: 6px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* ============================================================
   2. LIGHT THEME
   ============================================================ */
[data-theme="light"] {
  --color-bg: #f5f5f0;
  --color-bg-elevated: #ffffff;
  --color-bg-elevated-2: #ebebeb;
  --color-border: #d0d0d0;
  --color-border-soft: #e0e0e0;
  --color-text: #0d0d0d;
  --color-text-muted: #555555;
  --color-text-faint: #888888;

  --color-yellow: #8a6800;
  --color-yellow-dim: #6b5000;
  --color-yellow-soft: rgba(138, 104, 0, 0.10);
  --color-yellow-soft-str: rgba(138, 104, 0, 0.18);
}

/* ============================================================
   3. EASTER EGG THEME (DEVLINK)
   ============================================================ */
.easter-egg {
  --color-yellow: #a78bfa;
  --color-yellow-dim: #7c3aed;
  --color-yellow-soft: rgba(167, 139, 250, 0.10);
  --color-yellow-glow: rgba(167, 139, 250, 0.30);
}

/* ============================================================
   4. RESET
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scrollbar-color: var(--color-yellow-dim) var(--color-bg);
  scrollbar-width: thin;
  overflow-x: hidden;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overscroll-behavior-x: none;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

input,
textarea {
  cursor: text;
}

/* BUG CORRIGIDO: cursor:none era aplicado sempre, escondendo o cursor nativo
   mesmo quando o cursor customizado (JS) não estava ativo — por exemplo com
   prefers-reduced-motion, deixando a página sem NENHUM cursor visível.
   Agora só some quando a classe abaixo confirma que o JS assumiu o controle. */
html.has-custom-cursor body,
html.has-custom-cursor button {
  cursor: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-yellow);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background-color: var(--color-yellow);
  color: var(--color-on-yellow);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-yellow-dim);
  border: 3px solid var(--color-bg);
  border-radius: 20px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-yellow);
}

/* ============================================================
   5. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-yellow);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.section {
  padding: 96px 0;
  border-top: 1px solid var(--color-border-soft);
  transition: background-color var(--transition-slow);
}

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

.section__intro {
  max-width: 640px;
  margin-bottom: 48px;
}

.section__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-text);
}

/* ============================================================
   6. PRELOADER
   ============================================================ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  pointer-events: none;
}

.preloader__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  min-width: 320px;
}

.preloader__logo {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-yellow);
  animation: preloader-pulse 1s ease-in-out infinite;
  margin-bottom: 8px;
}

.preloader__logs {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.preloader__log-line {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-faint);
  animation: slide-in-left 0.3s ease forwards;
}

.preloader__log-line:last-child {
  color: var(--color-yellow);
}

@keyframes preloader-pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

@keyframes slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================================================
   7. CUSTOM CURSOR (bloco sólido de terminal)
   ============================================================ */
.custom-cursor {
  position: fixed;
  width: 14px;
  height: 18px;
  background-color: var(--color-yellow);
  pointer-events: none;
  z-index: 9998;
  transform: translate(-3px, -2px);
  animation: cursor-blink 1s step-end infinite;
  transition: background-color var(--transition-base);
  will-change: transform;
}

@keyframes cursor-blink {

  0%,
  49% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0;
  }
}

/* ============================================================
   8. LEITURA PROGRESS BAR
   ============================================================ */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-yellow-dim), var(--color-yellow));
  z-index: 200;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

/* ============================================================
   9. COPY TOAST
   ============================================================ */
.copy-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--color-yellow);
  color: var(--color-on-yellow);
  padding: 10px 22px;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 9997;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.copy-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================================
   10. BOTÕES
   ============================================================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  overflow: hidden;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn--primary {
  background-color: var(--color-yellow);
  color: var(--color-on-yellow);
}

.btn--primary:hover {
  background-color: var(--color-yellow-dim);
  box-shadow: 0 8px 24px var(--color-yellow-soft);
}

.btn--primary:active {
  transform: translateY(-1px);
}

.btn--ghost {
  color: var(--color-yellow);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-yellow-dim);
  background-color: var(--color-yellow-soft);
}

/* Ripple effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transform: scale(0);
  animation: ripple-expand 0.65s linear forwards;
  pointer-events: none;
}

@keyframes ripple-expand {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Confetti particles */
.confetti-particle {
  position: fixed;
  border-radius: 2px;
  pointer-events: none;
  z-index: 9999;
  animation: confetti-fly 0.85s cubic-bezier(.25, .46, .45, .94) forwards;
}

@keyframes confetti-fly {
  0% {
    opacity: 1;
    transform: translate(0, 0) rotate(0deg) scale(1);
  }

  100% {
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) rotate(360deg) scale(0.4);
  }
}

/* ============================================================
   11. HEADER (glassmorphism intenso)
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 209, 0, 0.07);
  transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

[data-theme="light"] .header {
  background-color: rgba(245, 245, 240, 0.75);
  border-bottom-color: rgba(255, 209, 0, 0.15);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.logo__bracket {
  color: var(--color-yellow);
}

.logo:hover .logo__bracket {
  color: var(--color-yellow-dim);
}

.header__controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Theme toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-yellow);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--color-yellow-soft);
  border-color: var(--color-yellow-dim);
  transform: rotate(20deg);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-yellow);
}

.nav__index {
  font-family: var(--font-mono);
  color: var(--color-yellow-dim);
  font-size: 0.78rem;
}

.nav__link--cta {
  color: var(--color-yellow);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: var(--radius);
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.nav__link--cta:hover {
  border-color: var(--color-yellow-dim);
  background-color: var(--color-yellow-soft);
  transform: translateY(-2px);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle__bar {
  width: 22px;
  height: 2px;
  background-color: var(--color-yellow);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   12. HERO
   ============================================================ */
.hero {
  padding: 64px 0 96px;
  display: flex;
  align-items: center;
  min-height: calc(100svh - 72px);
  min-height: calc(100dvh - 72px);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  width: 100%;
  position: relative;
  z-index: 1;
}

/* Background canvases */
.matrix-canvas,
.particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.matrix-canvas {
  opacity: 0.50;
  z-index: 0;
}

.particles-canvas {
  opacity: 0.55;
  z-index: 0;
}

/* Geometric floating shapes */
.geo-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.geo-shape {
  position: absolute;
  border: 1px solid var(--color-yellow);
  opacity: 0.07;
  will-change: transform;
}

.geo-shape--1 {
  width: 80px;
  height: 80px;
  top: 12%;
  right: 8%;
  animation: geo-float 7s ease-in-out infinite;
}

.geo-shape--2 {
  width: 50px;
  height: 50px;
  top: 60%;
  right: 15%;
  animation: geo-float 9s ease-in-out infinite 1.5s;
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  border: none;
  background: var(--color-yellow);
  opacity: 0.05;
}

.geo-shape--3 {
  width: 120px;
  height: 120px;
  top: 20%;
  left: 4%;
  border-radius: 50%;
  animation: geo-float 11s ease-in-out infinite 0.8s;
}

.geo-shape--4 {
  width: 40px;
  height: 40px;
  bottom: 25%;
  left: 10%;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  border: none;
  background: var(--color-yellow);
  opacity: 0.06;
  animation: geo-float 8s ease-in-out infinite 2s;
}

.geo-shape--5 {
  width: 60px;
  height: 60px;
  bottom: 15%;
  right: 5%;
  animation: geo-float 10s ease-in-out infinite 3s;
  border-radius: 4px;
}

@keyframes geo-float {

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

  33% {
    transform: translateY(-18px) rotate(30deg);
  }

  66% {
    transform: translateY(8px) rotate(-15deg);
  }
}

/* ============================================================
   13. TERMINAL
   ============================================================ */
.terminal {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  /* BUG CORRIGIDO: a animação "neon-pulse" fazia um brilho amarelo pulsar
     continuamente ao redor do terminal — efeito de brilho neon explicitamente
     proibido no briefing do projeto. Voltou a ser uma sombra estática. */
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  transform-style: preserve-3d;
  transition: border-color var(--transition-slow), background-color var(--transition-slow);
  will-change: transform;
}

/* Terminal bar */
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background-color: var(--color-bg-elevated-2);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-slow);
}

.terminal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transition: opacity var(--transition-fast);
}

/* BUG CORRIGIDO: as bolinhas usavam vermelho/amarelo/verde no estilo macOS,
   fora da paleta estrita Preto/Cinza/Amarelo definida no briefing. */
.terminal__dot--red {
  background-color: var(--color-border);
}

.terminal__dot--yellow {
  background-color: var(--color-text-faint);
}

.terminal__dot--green {
  background-color: var(--color-yellow-dim);
}

.terminal__dot:hover {
  opacity: 0.75;
}

.terminal__path {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-faint);
}

/* Terminal body */
.terminal__body {
  padding: 28px 32px 24px;
}

/* ASCII art */
.terminal__ascii {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--color-yellow-dim);
  margin-bottom: 20px;
  white-space: pre;
  opacity: 0.8;
  user-select: none;
}

/* Typing line */
.terminal__main {
  margin-bottom: 24px;
}

.terminal__line {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  min-height: 1.4em;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px;
}

.terminal__prompt {
  color: var(--color-yellow);
  font-weight: 700;
}

.terminal__symbol {
  color: var(--color-text-faint);
  margin-right: 6px;
}

.terminal__typed {
  color: var(--color-text);
}

.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  margin-left: 2px;
  background-color: var(--color-yellow);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {

  0%,
  45% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0;
  }
}

/* Heading with glitch */
.terminal__heading {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 16px;
  position: relative;
}

/* Glitch keyframes */
/* BUG CORRIGIDO: o efeito usava magenta (#ff005c) e ciano (#00fff7), fora da
   paleta estrita Preto/Cinza/Amarelo. O deslocamento (clip-path/transform)
   foi mantido, só as cores viraram amarelo/cinza. */
@keyframes glitch-anim {
  0% {
    clip-path: none;
    transform: none;
  }

  5% {
    clip-path: polygon(0 20%, 100% 20%, 100% 35%, 0 35%);
    transform: translate(-4px, 0);
    color: var(--color-yellow);
  }

  10% {
    clip-path: none;
    transform: none;
    color: var(--color-text);
  }

  15% {
    clip-path: polygon(0 65%, 100% 65%, 100% 80%, 0 80%);
    transform: translate(4px, 0);
    color: var(--color-text-faint);
  }

  20% {
    clip-path: none;
    transform: none;
    color: var(--color-text);
  }

  22% {
    clip-path: polygon(0 45%, 100% 45%, 100% 55%, 0 55%);
    transform: translate(-2px, 0);
  }

  24% {
    clip-path: none;
    transform: none;
  }

  100% {
    clip-path: none;
    transform: none;
  }
}

.terminal__heading.glitch-active {
  animation: glitch-anim 0.6s steps(1) forwards;
}

/* Subtitle */
.terminal__subtitle {
  font-size: 1.02rem;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: 32px;
  line-height: 1.7;
}

.terminal__subtitle strong {
  color: var(--color-yellow);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: text-decoration-color 0.4s ease;
}

.terminal__subtitle.is-visible strong {
  text-decoration-color: rgba(255, 209, 0, 0.5);
}

/* CTA actions */
.terminal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Interactive terminal section */
.terminal__interactive {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-soft);
}

.terminal__output {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
  max-height: 200px;
  overflow-y: auto;
  scrollbar-width: thin;
}

.terminal__output::-webkit-scrollbar {
  width: 4px;
}

.terminal__output::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.terminal__output-cmd {
  color: var(--color-text-faint);
  margin-top: 8px;
}

.terminal__output-result {
  color: var(--color-text-muted);
  margin-bottom: 8px;
  padding-left: 16px;
  border-left: 2px solid var(--color-border);
}

/* Syntax colors in terminal output */
/* BUG CORRIGIDO: azul (#569cd6) e laranja (#ce9178) fora da paleta permitida. */
.tcmd-keyword {
  color: var(--color-yellow);
  font-weight: 600;
}

.tcmd-string {
  color: var(--color-text);
}

.tcmd-comment {
  color: var(--color-text-faint);
  font-style: italic;
}

.tcmd-text {
  color: var(--color-text);
}

.terminal__input-line {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin-top: 10px;
}

.terminal__input {
  background: none;
  border: none;
  outline: none;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  flex: 1;
  caret-color: var(--color-yellow);
  min-width: 0;
}

.terminal__input::placeholder {
  color: var(--color-text-faint);
}

/* ============================================================
   14. COUNTERS
   ============================================================ */
.section--counters {
  padding: 64px 0;
  border-top: 1px solid var(--color-border-soft);
}

.counters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.counter {
  padding: 28px 16px;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast),
    background-color var(--transition-slow);
}

.counter:hover {
  border-color: var(--color-yellow-dim);
  transform: translateY(-4px);
}

.counter__value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.counter__number {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-yellow);
  line-height: 1;
}

.counter__plus {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-yellow-dim);
}

.counter__label {
  display: block;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  margin-top: 10px;
  line-height: 1.4;
}

/* ============================================================
   15. SOBRE
   ============================================================ */
.section__grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 64px;
}

.about__text {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  max-width: 68ch;
  line-height: 1.75;
}

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

.about__log {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about__log li {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  padding-left: 16px;
  border-left: 2px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.about__log li:hover {
  border-left-color: var(--color-yellow-dim);
}

.about__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-yellow);
  margin-right: 8px;
}

.about__actions {
  margin-top: 28px;
}

/* Text highlight animation when visible */
.about.is-visible .about__text strong {
  animation: highlight-in 0.6s ease forwards;
  animation-delay: calc(var(--i, 0) * 0.1s);
}

@keyframes highlight-in {
  from {
    color: var(--color-text-muted);
  }

  to {
    color: var(--color-text);
  }
}

/* ============================================================
   16. HABILIDADES — GRID DE SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(152px, 1fr));
  gap: 18px;
}

.skill-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 26px 14px 20px;
  background-color: var(--color-bg-elevated);
  background-image: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
      rgba(255, 209, 0, 0.06) 0%,
      transparent 60%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast),
    background-color var(--transition-slow);
}

/* Barra de destaque inferior — mesma linguagem visual do .project-card, só que horizontal */
.skill-card::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--color-yellow-dim), var(--color-yellow));
  transition: width var(--transition-base);
}

.skill-card:hover,
.skill-card:focus-visible {
  border-color: var(--color-yellow-dim);
  transform: translateY(-4px);
  outline: none;
}

.skill-card:hover::before,
.skill-card:focus-visible::before {
  width: 100%;
}

/* "Ícone" — badge com a flag da skill em mono, no lugar do logo oficial da tecnologia */
.skill-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background-color: var(--color-yellow-soft);
  border: 1px solid var(--color-border);
  color: var(--color-yellow);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.92rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.skill-card:hover .skill-card__icon,
.skill-card:focus-visible .skill-card__icon {
  border-color: var(--color-yellow-dim);
  background-color: var(--color-yellow-soft-str);
}

.skill-card__flag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-yellow-dim);
}

.skill-card__name {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--color-text);
}

.skill-card__desc {
  font-size: 0.76rem;
  color: var(--color-text-faint);
  line-height: 1.5;
}

/* ============================================================
   17. PROJETOS
   ============================================================ */

/* Filtros */
.project-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  transition:
    border-color var(--transition-fast),
    color var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--color-yellow-dim);
  color: var(--color-yellow);
  background-color: var(--color-yellow-soft);
}

.filter-btn.active {
  transform: translateY(-2px);
}

/* GitHub stats grid */
.github-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.github-stat-img {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  max-width: 100%;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.github-stat-img:hover {
  border-color: var(--color-yellow-dim);
  transform: translateY(-3px);
}

/* Project cards grid */
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* GitHub repos area */
.github-repos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

/* Project card with spotlight */
.project-card {
  background-color: var(--color-bg-elevated);
  background-image: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
      rgba(255, 209, 0, 0.06) 0%,
      transparent 60%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast),
    background-color var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--color-yellow), transparent);
  transition: height var(--transition-base);
}

.project-card:hover {
  border-color: var(--color-yellow-dim);
  transform: translateY(-6px);
}

.project-card:hover::before {
  height: 100%;
}

.project-card__index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-yellow-dim);
  margin-bottom: 14px;
}

.project-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

.project-card__desc {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 20px;
  flex-grow: 1;
  line-height: 1.65;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.project-card__tags li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-faint);
  border: 1px solid var(--color-border-soft);
  padding: 4px 9px;
  border-radius: 4px;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.project-card:hover .project-card__tags li {
  border-color: rgba(255, 209, 0, 0.2);
  color: var(--color-text-muted);
}

.project-card__footer {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: auto;
}

.project-card__detail-btn {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-yellow);
  padding: 0;
  background: none;
  border: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.project-card__detail-btn:hover {
  color: var(--color-yellow-dim);
  transform: translateX(4px);
}

.project-card__link {
  font-size: 0.82rem;
  color: var(--color-text-faint);
  transition: color var(--transition-fast);
  margin-left: auto;
}

.project-card__link:hover {
  color: var(--color-text-muted);
}

/* ============================================================
   18. CONTATO
   ============================================================ */
.contact {
  text-align: center;
}

.contact .section__intro {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.contact__lead {
  color: var(--color-text-muted);
  margin-top: 12px;
}

.contact__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.contact__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 160px;
  padding: 24px 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.contact__link:hover {
  border-color: var(--color-yellow-dim);
  background-color: var(--color-yellow-soft);
  transform: translateY(-5px);
}

/* BUG CORRIGIDO: usava o "roxo Discord" (#7289da / rgba(88,101,242,...)),
   fora da paleta estrita Preto/Cinza/Amarelo do briefing. O card continua
   se distinguindo pelo ícone, não pela cor. */
.contact__link--special {
  border-color: rgba(255, 209, 0, 0.25);
}

.contact__link--special:hover {
  border-color: var(--color-yellow-dim);
  background-color: var(--color-yellow-soft);
}

.contact__link--cv {
  border-color: rgba(255, 209, 0, 0.2);
}

.contact__icon {
  color: var(--color-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.contact__link:hover .contact__icon {
  transform: scale(1.15);
}

.contact__link--special .contact__icon {
  color: var(--color-yellow);
}

.contact__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-yellow);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact__link--special .contact__label {
  color: var(--color-yellow);
}

.contact__value {
  font-size: 0.88rem;
  color: var(--color-text);
  word-break: break-word;
}

.contact__hint {
  font-size: 0.72rem;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}

.contact__extras {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

/* ============================================================
   19. FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--color-border-soft);
  padding: 28px 0;
}

.footer p {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-faint);
}

/* ============================================================
   20. BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-yellow);
  color: var(--color-on-yellow);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 99;
  box-shadow: 0 4px 20px rgba(255, 209, 0, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-yellow-dim);
  transform: translateY(-3px);
}

/* ============================================================
   21. MODALS
   ============================================================ */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.is-open {
  display: flex;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.80);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal__content {
  position: relative;
  z-index: 1;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 620px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  animation: modal-in 0.3s ease;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal__content--qr {
  max-width: 360px;
  text-align: center;
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  font-size: 1.2rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.modal__close:hover {
  background-color: var(--color-border);
  color: var(--color-text);
}

.modal__eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-yellow-dim);
  margin-bottom: 8px;
}

.modal__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.modal__subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.modal__desc {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}

.modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.modal__tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-yellow);
  border: 1px solid rgba(255, 209, 0, 0.25);
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--color-yellow-soft);
}

.modal__architecture {
  padding-top: 20px;
  border-top: 1px solid var(--color-border-soft);
}

.modal__architecture h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

#modalArchitecture {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* QR code */
.qr-code-wrapper {
  display: inline-flex;
  padding: 16px;
  background-color: var(--color-bg-elevated-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin: 0 auto;
}

.qr-code-wrapper img {
  border-radius: 4px;
}

.modal__qr-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-faint);
  margin-top: 12px;
}

/* ============================================================
   22. SCROLL REVEAL (direcional)
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-reveal="up"] {
  transform: translateY(32px);
}

[data-reveal="left"] {
  transform: translateX(-40px);
}

[data-reveal="right"] {
  transform: translateX(40px);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Legacy reveal class */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   23. RESPONSIVIDADE
   ============================================================ */
@media (max-width: 1024px) {
  .counters {
    grid-template-columns: repeat(2, 1fr);
  }

  .github-stats {
    justify-content: center;
  }
}

@media (max-width: 860px) {
  .section__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .github-repos {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .container {
    padding: 0 18px;
  }

  .header__inner {
    height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 18px 24px;
    background-color: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
    z-index: 99;
  }

  [data-theme="light"] .nav {
    background-color: rgba(245, 245, 240, 0.97);
  }

  .nav.is-open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    width: 100%;
    padding: 10px 0;
  }

  .nav__link--cta {
    margin-top: 8px;
  }

  .hero {
    padding: 40px 0 72px;
    min-height: calc(100svh - 64px);
    min-height: calc(100dvh - 64px);
  }

  .terminal__body {
    padding: 20px;
  }

  .terminal__ascii {
    font-size: 0.58rem;
  }

  .terminal__heading {
    font-size: clamp(1.45rem, 7vw, 2rem);
  }

  .terminal__subtitle {
    font-size: 0.95rem;
  }

  .section {
    padding: 72px 0;
  }

  .counters {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .counter {
    padding: 24px 12px;
  }

  .counter__number {
    font-size: 2rem;
  }

  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-filters {
    gap: 8px;
  }

  .filter-btn {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  .contact__link {
    min-width: 140px;
    flex: 1 1 140px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .contact__link {
    width: 100%;
    flex: 1 1 100%;
  }

  .terminal__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

  .counters {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

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

  .github-repos {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    bottom: 16px;
    right: 16px;
  }

  .terminal__ascii {
    display: none;
  }
}

@media (hover: none) and (pointer: coarse) {
  .btn:hover,
  .filter-btn:hover,
  .skill-card:hover,
  .project-card:hover,
  .contact__link:hover,
  .back-to-top:hover,
  .theme-toggle:hover {
    transform: none;
    background-color: inherit;
    border-color: inherit;
  }

  .custom-cursor {
    display: none !important;
  }
}

/* ============================================================
   24. ACESSIBILIDADE — prefere movimento reduzido
   ============================================================ */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .terminal {
    animation: none !important;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  }

  .custom-cursor {
    display: none !important;
  }
}

/* ============================================================
   25. LENIS (SMOOTH SCROLL)
   ============================================================ */
html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

.lenis.lenis-scrolling iframe {
  pointer-events: none;
}