/* =========================================================
   Diego — Portfólio pessoal
   Estrutura do CSS:
   1. Reset & base
   2. Variáveis de tema (dark padrão / light)
   3. Layout utilitário (container, seções)
   4. Header / navegação
   5. Hero
   6. Sobre
   7. Stack
   8. Experiência (timeline)
   9. Contato
   10. Footer
   11. Animações / reveal
   12. Easter eggs
   13. Impressão
   14. Responsivo
   ========================================================= */

/* ---------- 1. Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Garante que o atributo hidden vença qualquer display de classe
   (ex: .btn usa display: inline-flex, que por padrão sobrescreveria [hidden]). */
[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 2. Variáveis de tema ---------- */
:root {
  --bg: #0b0f14;
  --bg-alt: #0f151c;
  --surface: #131a22;
  --surface-border: #1f2933;
  --text: #f5f7fa;
  --text-muted: #9aa5b1;
  --accent: #5eead4;
  --accent-soft: rgba(94, 234, 212, 0.12);
  --accent-contrast: #0b0f14;

  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --max-width: 1080px;
  --radius: 12px;
  --transition: 200ms ease;
}

:root[data-theme="light"] {
  --bg: #e4e7eb;
  --bg-alt: #d9dde2;
  --surface: #ffffff;
  --surface-border: #cdd2d8;
  --text: #12181f;
  --text-muted: #56626d;
  --accent: #0f9e8b;
  --accent-soft: rgba(15, 158, 139, 0.1);
  --accent-contrast: #ffffff;
}

body {
  background-color: var(--bg);
  color: var(--text);
  transition: background-color var(--transition), color var(--transition);
}

::selection {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ---------- 3. Layout utilitário ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

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

.section__title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 40px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.section__num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1rem;
  font-weight: 500;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 1000;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 12px;
}

/* ---------- 4. Header / navegação ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  background: rgba(11, 15, 20, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background-color var(--transition);
}

:root[data-theme="light"] .header {
  background: rgba(228, 231, 235, 0.85);
}

.header--scrolled {
  border-bottom-color: var(--surface-border);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.nav__brand .dot {
  color: var(--accent);
}

.nav__menu {
  display: flex;
  gap: 32px;
}

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

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.nav__link:hover::after {
  width: 100%;
}

.nav__link.is-active {
  color: var(--accent);
}

.nav__link.is-active::after {
  width: 100%;
}

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

.theme-toggle {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--surface-border);
  color: var(--text);
  transition: border-color var(--transition), transform var(--transition);
}

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

.icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.icon-brand {
  fill: currentColor;
  stroke: none;
}

.btn .icon {
  width: 16px;
  height: 16px;
}

.theme-toggle .icon-moon {
  display: none;
}

:root[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

:root[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
}

.nav__toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- 5. Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
}

.hero__content {
  max-width: 720px;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.hero__name {
  font-size: clamp(2.75rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 12px;
}

.hero__role {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 24px;
}

.hero__role .sep {
  color: var(--accent);
  margin: 0 4px;
}

.hero__text {
  max-width: 560px;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform var(--transition), border-color var(--transition), background-color var(--transition), color var(--transition);
}

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

.btn--primary {
  background: var(--accent);
  color: var(--accent-contrast);
}

.btn--primary:hover {
  opacity: 0.9;
}

.btn--outline {
  border-color: var(--surface-border);
  color: var(--text);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--ghost {
  color: var(--text-muted);
}

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

.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 36px;
  border: 1.5px solid var(--surface-border);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-hint span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  animation: scrollHint 1.8s ease-in-out infinite;
}

@keyframes scrollHint {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(10px); opacity: 0; }
  100% { opacity: 0; }
}

/* ---------- 6. Sobre ---------- */
.about {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about__text {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- 7. Stack ---------- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.stack-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition), transform var(--transition);
}

.stack-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.stack-card__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--accent);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--text);
  border: 1px solid var(--surface-border);
}

/* ---------- 8. Experiência (timeline) ---------- */
.timeline {
  position: relative;
  max-width: 760px;
  padding-left: 28px;
  border-left: 1.5px solid var(--surface-border);
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.timeline__item {
  position: relative;
}

.timeline__dot {
  position: absolute;
  left: -34.5px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}

.timeline__card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: border-color var(--transition);
}

.timeline__card:hover {
  border-color: var(--accent);
}

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

.timeline__role {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 6px;
}

.timeline__company {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.timeline__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- 9. Contato ---------- */
.contact {
  max-width: 640px;
}

.contact__text {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.contact__direct {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.contact__direct a {
  color: var(--accent);
  font-weight: 500;
}

.contact__direct a:hover {
  text-decoration: underline;
}

/* ---------- 10. Footer ---------- */
.footer {
  border-top: 1px solid var(--surface-border);
  padding: 32px 0;
}

.footer__content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__links a {
  transition: color var(--transition);
}

.footer__dev-link {
  font-family: var(--font-mono);
}

.footer__links a:hover {
  color: var(--accent);
}

/* ---------- 11. Animações / reveal ---------- */
.reveal {
  opacity: 1;
  transform: translateY(0);
}

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

/* ---------- 12. Easter eggs ---------- */
.egg-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 12px);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  z-index: 2000;
  pointer-events: none;
  transition: opacity 300ms ease, transform 300ms ease;
}

.egg-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.egg-matrix {
  position: fixed;
  inset: 0;
  z-index: 1900;
  pointer-events: none;
  opacity: 1;
  transition: opacity 600ms ease;
}

.egg-matrix.is-fading {
  opacity: 0;
}

.egg-particle {
  position: fixed;
  z-index: 2000;
  line-height: 1;
  pointer-events: none;
  will-change: transform, opacity;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.35));
}

/* ---------- 13. Impressão ---------- */
@media print {
  /* Reaproveita as variáveis de tema: força uma paleta clara e sóbria
     independente do dark/light mode ativo na tela. */
  :root,
  :root[data-theme="light"] {
    --bg: #ffffff;
    --bg-alt: #ffffff;
    --surface: #ffffff;
    --surface-border: #cccccc;
    --text: #111111;
    --text-muted: #333333;
    --accent: #000000;
    --accent-soft: transparent;
    --accent-contrast: #ffffff;
  }

  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    box-shadow: none !important;
  }

  /* Garante que todo o conteúdo apareça, mesmo o que nunca entrou
     na viewport (a animação de reveal depende de scroll). */
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .header,
  .skip-link,
  .scroll-hint,
  .hero__eyebrow,
  .btn--ghost,
  [data-email-trigger="send"],
  .btn .icon,
  .icon-brand,
  .egg-toast,
  .egg-matrix,
  .egg-particle {
    display: none !important;
  }

  main {
    padding-top: 0 !important;
  }

  .hero {
    min-height: 0;
    padding: 0 0 16px;
    display: block;
  }

  .section {
    padding: 16px 0;
  }

  @page {
    margin: 1.5cm;
  }

  body {
    font-size: 11pt;
  }

  a {
    text-decoration: underline;
  }

  /* Como o clique não funciona no papel, imprime a URL ao lado do link */
  a[data-config]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    font-weight: 400;
    text-decoration: none;
  }

  .btn {
    display: inline-block;
    padding: 0;
    margin: 0 20px 8px 0;
    border: none !important;
    background: none !important;
    color: var(--text) !important;
    font-weight: 600;
  }

  .stack-card,
  .timeline__card {
    break-inside: avoid;
  }
}

/* ---------- 14. Responsivo ---------- */
@media (max-width: 860px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 68px;
    right: 0;
    left: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--surface-border);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 8px 0;
    transform: translateY(-140%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav__menu.is-open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav__menu li {
    width: 100%;
    text-align: center;
  }

  .nav__link {
    display: block;
    padding: 14px 0;
  }

  .nav__toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav__toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 600px) {
  .section {
    padding: 72px 0;
  }

  .timeline {
    padding-left: 22px;
  }

  .timeline__dot {
    left: -28.5px;
  }
}