/* ------------------------------------------------------------------
   Raffael Arcego — Portfólio
   Direção: relatório técnico / ferramenta de análise. Fundo liso,
   mono para títulos, números e rótulos, sans neutra para leitura,
   verde de terminal como único acento. Sem ícones prontos,
   sem gradientes, sem cartões flutuantes.
------------------------------------------------------------------- */

:root {
  --bg: #f7f8f6;
  --panel: #ffffff;
  --ink: #191c1a;
  --soft: #5d6360;
  --rule: #d4d9d4;
  --rule-strong: #191c1a;
  --accent: #0a6847;         /* verde-terminal — nada de índigo */
  --accent-dim: #98a09b;
  --sans: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --mono: "IBM Plex Mono", Consolas, "Courier New", monospace;
  --measure: 66ch;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.02rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* --- troca de idioma: todo o conteúdo existe em PT e EN no HTML.
       Esconde-se o idioma inativo; o ativo mantém seu display natural.
       !important garante prioridade sobre qualquer display posterior. --- */
body.lang-pt [data-lang="en"] { display: none !important; }
body.lang-en [data-lang="pt"] { display: none !important; }

a { color: inherit; text-decoration-color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* --- bandeiras (SVG inline no HTML) --- */
.flag { display: inline-block; vertical-align: -2px; border: 1px solid rgba(0,0,0,0.25); }

/* ============ PORTA DE ENTRADA: IDIOMA ============ */

#lang-gate {
  position: fixed;
  inset: 0;
  z-index: 60;
  background-color: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8vh 7vw;
}

#lang-gate .gate-top {
  position: absolute;
  top: 2rem; left: 7vw; right: 7vw;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 0.75rem;
  color: var(--soft);
}

#lang-gate .gate-hint {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 1rem;
}

#lang-gate h1 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(1.35rem, 3.4vw, 2.4rem);
  line-height: 1.35;
  margin: 0 0 2.6rem;
  max-width: 30ch;
}
#lang-gate h1 .gate-en { display: block; color: var(--soft); margin-top: 0.3rem; }

.gate-options { border-top: 1px solid var(--rule-strong); max-width: 34rem; background: var(--panel); }

.gate-options button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 0.9rem;
  padding: 1.05rem 0.9rem;
  border: 0;
  border-bottom: 1px solid var(--rule-strong);
  background: none;
  font-family: var(--mono);
  font-size: 1.02rem;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}
.gate-options button .mono { color: var(--soft); margin-left: auto; }
.gate-options button:hover { background: var(--accent); color: #fff; }
.gate-options button:hover .mono { color: #d7e8e0; }

body.gate-open { overflow: hidden; }
#lang-gate[hidden] { display: none; }

/* ============ CABEÇALHO ============ */

.sheet {
  max-width: 76rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3.5rem);
}

header.masthead {
  border-bottom: 2px solid var(--rule-strong);
  padding: 1.3rem 0 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 2rem;
}

.masthead .top-row { display: flex; align-items: center; flex-wrap: wrap; gap: 0.75rem 1.2rem; }

.masthead .name {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0;
}
.masthead .role { color: var(--soft); font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em; }

.masthead nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
}
.masthead nav a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  text-decoration: none;
  color: var(--soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.masthead nav a::before { content: "./"; color: var(--rule); }
.masthead nav a:hover { color: var(--ink); }
.masthead nav a:hover::before { color: var(--accent-dim); }
.masthead nav a.active { color: var(--accent); border-bottom-color: var(--accent); }
.masthead nav a.active::before { color: var(--accent); }

.lang-switch { display: flex; gap: 0.55rem; align-items: center; }
.lang-switch button {
  border: 0; background: none; cursor: pointer;
  padding: 2px;
  line-height: 0;
  opacity: 0.4;
  filter: saturate(0.4);
}
.lang-switch button:hover { opacity: 0.85; filter: saturate(1); }
.lang-switch button.on { opacity: 1; filter: none; outline: 1px solid var(--rule-strong); outline-offset: 2px; }

/* ============ SEÇÕES / ABAS ============ */

main section.tab { display: none; padding: 3rem 0 4.5rem; }
main section.tab.visible { display: block; }

/* estilo de comentário SQL: -- 01 · sobre */
.kicker {
  display: flex; align-items: baseline; gap: 0.7rem;
  color: var(--soft);
  margin-bottom: 2.2rem;
  text-transform: lowercase;
}
.kicker::before { content: "--"; color: var(--accent-dim); letter-spacing: 0; }
.kicker .no { color: var(--accent); }
.kicker::after { content: ""; flex: 1; border-bottom: 1px solid var(--rule); transform: translateY(-4px); }

h2.display {
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(1.35rem, 2.9vw, 2.05rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 1.6rem;
  max-width: 34ch;
}
h2.display em { font-style: normal; color: var(--accent); }

/* --- Sobre --- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: 3.5rem;
  align-items: start;
}
.about-grid > div { min-width: 0; }

.about-grid .lede { font-size: 1.12rem; line-height: 1.6; max-width: var(--measure); }
.about-grid p { max-width: var(--measure); }

.portrait { border: 1px solid var(--rule-strong); padding: 0.55rem; background: var(--panel); margin: 0; }
.portrait img { display: block; width: 100%; height: auto; }
.portrait figcaption {
  padding-top: 0.55rem;
  color: var(--soft);
  display: flex; justify-content: space-between;
  text-transform: none; letter-spacing: 0.04em;
}

.facts { margin: 2rem 0 0; border: 1px solid var(--rule-strong); background: var(--panel); }
.facts div {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.95rem;
}
.facts div:last-child { border-bottom: 0; }
.facts dt { color: var(--soft); font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: lowercase; align-self: center; }
.facts dd { margin: 0; text-align: right; font-family: var(--mono); font-size: 0.82rem; }

/* --- Projetos --- */

.project {
  display: grid;
  grid-template-columns: 4rem minmax(0, 6fr) minmax(0, 4fr);
  gap: 1.5rem 2.5rem;
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--rule);
}
.project:first-of-type { border-top: 2px solid var(--rule-strong); }
.project:last-of-type { border-bottom: 2px solid var(--rule-strong); }

.project .idx { font-family: var(--mono); color: var(--accent); font-size: 0.85rem; padding-top: 0.35rem; }

.project h3 { font-family: var(--mono); font-weight: 600; font-size: 1.15rem; margin: 0 0 0.35rem; line-height: 1.35; }
.project .meta { color: var(--soft); margin-bottom: 0.9rem; text-transform: none; }
.project p { margin: 0 0 0.8rem; max-width: 58ch; }

.project .result {
  border-left: 2px solid var(--accent);
  padding-left: 0.9rem;
  color: var(--soft);
  font-size: 0.95rem;
  max-width: 52ch;
}

.chart { border: 1px solid var(--rule-strong); background: var(--panel); padding: 0.9rem; margin: 0; }
.chart svg { display: block; width: 100%; height: auto; }
.chart figcaption { color: var(--soft); padding-top: 0.6rem; text-transform: none; letter-spacing: 0.04em; }

/* --- Currículo --- */

.cv-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.2rem; align-items: center; }

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  text-decoration: none;
  color: #fff;
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.7rem 1.2rem;
  cursor: pointer;
}
.btn::before { content: "> "; color: var(--accent-dim); }
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:hover::before { color: #d7e8e0; }
.btn.ghost { background: none; color: var(--ink); border-color: var(--rule-strong); }
.btn.ghost::before { color: var(--accent); }
.btn.ghost:hover { background: var(--ink); color: #fff; }

.cv-sheet {
  background: var(--panel);
  border: 1px solid var(--rule-strong);
  padding: clamp(1.5rem, 4vw, 3rem);
  max-width: 54rem;
}

.cv-sheet header { border-bottom: 2px solid var(--rule-strong); padding-bottom: 1rem; margin-bottom: 1.6rem; }
.cv-sheet header h3 { margin: 0; font-family: var(--mono); font-size: 1.5rem; font-weight: 600; }
.cv-sheet header .cv-contact { color: var(--soft); font-size: 0.9rem; margin-top: 0.35rem; font-family: var(--mono); }

.cv-sheet h4 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--accent);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.35rem;
  margin: 1.9rem 0 0.9rem;
}
.cv-sheet h4::before { content: "## "; color: var(--accent-dim); }

.cv-item { margin-bottom: 1.1rem; }
.cv-item .cv-line { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.3rem 1.5rem; align-items: baseline; }
.cv-item .cv-line strong { font-size: 1rem; font-weight: 600; }
.cv-item .cv-line .when { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--soft); }
.cv-item .where { color: var(--soft); font-size: 0.92rem; margin: 0.1rem 0 0; }
.cv-item ul { margin: 0.5rem 0 0; padding-left: 1.1rem; }
.cv-item li { margin-bottom: 0.3rem; font-size: 0.95rem; }
.cv-item li::marker { color: var(--accent); }

.cv-skills { display: grid; grid-template-columns: 1fr 1fr; gap: 0.2rem 2.5rem; padding: 0; margin: 0; list-style: none; font-size: 0.95rem; }
.cv-skills li { border-bottom: 1px dotted var(--rule); padding: 0.35rem 0; display: flex; justify-content: space-between; gap: 1rem; }
.cv-skills li .lvl { color: var(--accent); font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.06em; align-self: center; }

/* --- Carta --- */

.letter {
  background: var(--panel);
  border: 1px solid var(--rule-strong);
  padding: clamp(1.5rem, 4vw, 3rem);
  max-width: 46rem;
}
.letter p { max-width: none; }
.letter header { border-bottom: 2px solid var(--rule-strong); padding-bottom: 1rem; margin-bottom: 1.6rem; }
.letter header h3 { margin: 0; font-family: var(--mono); font-size: 1.5rem; font-weight: 600; }
.letter header .cv-contact { color: var(--soft); font-size: 0.9rem; margin-top: 0.35rem; font-family: var(--mono); }
.letter .letter-date { color: var(--soft); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: lowercase; margin-bottom: 2rem; }
.letter .signature { margin-top: 2.5rem; }
.letter .signature .sig-name { font-family: var(--mono); font-weight: 600; font-size: 1.15rem; }
.letter .signature .sig-role { color: var(--soft); font-size: 0.9rem; font-family: var(--mono); }

/* --- Contato --- */

.contact-list { border: 1px solid var(--rule-strong); background: var(--panel); max-width: 40rem; margin-top: 1rem; }
.contact-list a, .contact-list div.row {
  display: flex; justify-content: space-between; gap: 2rem; align-items: baseline;
  padding: 0.95rem 0.9rem;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.95rem;
}
.contact-list > :last-child { border-bottom: 0; }
.contact-list a:hover { background: var(--accent); color: #fff; }
.contact-list a:hover .mono { color: #d7e8e0; }
.contact-list .mono { color: var(--soft); }

/* ============ RODAPÉ ============ */

footer.colophon {
  border-top: 2px solid var(--rule-strong);
  padding: 1.4rem 0 2.4rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem 2rem;
  color: var(--soft);
  font-size: 0.9rem;
}
footer.colophon .mono { letter-spacing: 0.08em; text-transform: lowercase; }

/* ============ RESPONSIVO ============ */

@media (max-width: 860px) {
  .about-grid { grid-template-columns: minmax(0, 1fr); }
  .about-grid .side { max-width: 22rem; }
  .project { grid-template-columns: 2.6rem minmax(0, 1fr); }
  .project .chart { grid-column: 2; }
  .cv-skills { grid-template-columns: 1fr; }
  #lang-gate h1 { margin-bottom: 2rem; }
}

@media (max-width: 680px) {
  html { overflow-x: hidden; }

  header.masthead {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1.1rem 0 0.9rem;
  }
  .masthead .name { font-size: 1rem; }
  .masthead .top-row { flex-direction: column; align-items: flex-start; width: 100%; gap: 0.3rem; }
  .masthead nav {
    margin-left: 0;
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 1.15rem;
    padding-bottom: 2px;
    mask-image: linear-gradient(to right, #000 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, #000 92%, transparent 100%);
  }
  .masthead nav::-webkit-scrollbar { display: none; }
  .masthead nav a { flex: none; white-space: nowrap; }

  main section.tab { padding: 2.2rem 0 3.2rem; }
  h2.display { max-width: none; }

  .facts div { flex-direction: column; align-items: flex-start; gap: 0.15rem; }
  .facts dd { text-align: left; }

  .contact-list a, .contact-list div.row { flex-direction: column; align-items: flex-start; gap: 0.3rem; }

  .cv-sheet, .letter { padding: 1.25rem; }
  .cv-item .cv-line { flex-direction: column; align-items: flex-start; gap: 0.1rem; }
}

@media (max-width: 560px) {
  body { font-size: 0.98rem; }
  .sheet { padding: 0 1.1rem; }
  .project { grid-template-columns: 1fr; }
  .project .idx { padding-top: 0; }
  .cv-actions { gap: 0.7rem; }
  .btn { padding: 0.65rem 1rem; }
}