/* ============================================================
   gabrielcouto.site — Global Styles
   Para mudar o visual do site inteiro, edite as variáveis :root
   ============================================================ */

:root {
  /* Cores principais */
  --color-primary:      #0a66c2;   /* azul LinkedIn */
  --color-primary-dark: #004182;   /* azul escuro (hero) */
  --color-primary-light:#f0f6ff;   /* azul bem claro (hover, bg de tag) */
  --color-primary-mid:  #cce0ff;   /* bordas de elementos azuis */

  /* Texto */
  --color-text:         #191919;   /* texto principal */
  --color-text-muted:   #666;      /* texto secundário */
  --color-text-faint:   #888;      /* datas, metadados */

  /* Fundo e bordas */
  --color-bg:           #f3f2ef;   /* fundo da página */
  --color-surface:      #ffffff;   /* fundo de cards e nav */
  --color-border:       #dce6f1;   /* bordas gerais */
  --color-divider:      #f0f4fa;   /* divisores internos */

  /* Tipografia */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Espaçamentos e radius */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  12px;
  --radius-xl:  20px;
  --radius-pill:999px;
}

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

/* ── Base ───────────────────────────────────────── */
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Nav ────────────────────────────────────────── */
.site-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 40px;
  height: 56px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.site-nav .logo {
  font-size: .98rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}
.site-nav ul { list-style: none; display: flex; gap: 8px; }
.site-nav ul a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: .88rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background .15s, color .15s;
}
.site-nav ul a:hover { background: var(--color-primary-light); color: var(--color-primary); }
.site-nav ul a.active { color: var(--color-primary); font-weight: 700; background: var(--color-primary-light); }

/* ── Main / Footer ──────────────────────────────── */
.site-main { max-width: 880px; margin: 0 auto; padding: 48px 24px 100px; }
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 20px 40px;
  text-align: center;
  font-size: .82rem;
  color: var(--color-text-faint);
}

/* ── Hero banner ────────────────────────────────── */
.hero-banner {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-lg);
  padding: 36px 40px 30px;
  margin-bottom: 28px;
  color: #fff;
}
.hero-banner h1    { font-size: clamp(1.6rem,4vw,2.2rem); font-weight: 700; margin-bottom: 4px; }
.hero-banner .sub  { font-size: 1rem; color: #cce4ff; margin-bottom: 14px; }
.hero-banner .info { display: flex; flex-wrap: wrap; gap: 14px; font-size: .88rem; color: #a8cff5; }
.hero-banner .info a { color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.3); }
.hero-banner .info a:hover { border-color: #fff; }

/* ── Page label + h1 ────────────────────────────── */
.page-label { font-size: .78rem; letter-spacing: 2.5px; text-transform: uppercase; color: var(--color-primary); font-weight: 700; margin-bottom: 6px; }
.page-h1 { font-size: 2rem; color: var(--color-text); font-weight: 700; margin-bottom: 8px; }
.page-desc { color: var(--color-text-muted); font-size: .96rem; margin-bottom: 40px; }

/* ── Section card ───────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 16px;
  box-shadow: 0 2px 6px rgba(0,0,0,.04);
}
.card-title {
  font-size: .78rem; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--color-primary); font-weight: 700;
  margin-bottom: 20px; padding-bottom: 10px;
  border-bottom: 2px solid var(--color-border);
}

/* ── CV specifics ───────────────────────────────── */
.cv-job, .cv-earlier, .cv-pub {
  margin-bottom: 18px; padding-bottom: 18px;
  border-bottom: 1px solid var(--color-divider);
}
.cv-job:last-child, .cv-earlier:last-child, .cv-pub:last-child {
  margin-bottom: 0; padding-bottom: 0; border-bottom: none;
}
.cv-job-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 8px; margin-bottom: 2px; }
.cv-job-title { font-size: 1.02rem; font-weight: 700; color: var(--color-text); }
.cv-job-period { font-size: .82rem; color: var(--color-text-faint); white-space: nowrap; padding-top: 3px; }
.cv-job-company { font-size: .9rem; color: var(--color-primary); margin-bottom: 12px; font-weight: 500; }
.cv-job ul { padding-left: 20px; }
.cv-job li { font-size: .93rem; color: #444; margin-bottom: 7px; line-height: 1.65; }
.cv-job li strong { color: var(--color-text); }

.award {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--color-primary-light); border: 1px solid var(--color-primary-mid);
  border-radius: var(--radius-sm); padding: 5px 12px;
  font-size: .88rem; color: var(--color-primary-dark); margin-top: 10px; font-weight: 500;
}

.cv-earlier .exp-title { font-size: .98rem; font-weight: 600; color: var(--color-text); }
.cv-earlier .exp-meta  { font-size: .86rem; color: var(--color-primary); margin: 2px 0 4px; }
.cv-earlier .exp-period{ font-size: .82rem; color: var(--color-text-faint); }
.cv-earlier p { font-size: .88rem; color: #555; line-height: 1.6; margin-top: 4px; }

.cv-pub .pub-title  { font-size: .93rem; font-weight: 500; color: var(--color-text); margin-bottom: 2px; }
.cv-pub .pub-venue  { font-size: .84rem; color: var(--color-text-faint); margin-bottom: 3px; }
.cv-pub a { color: var(--color-primary); font-size: .84rem; text-decoration: none; }
.cv-pub a:hover { text-decoration: underline; }

/* ── Skills pills ───────────────────────────────── */
.skills { display: flex; flex-wrap: wrap; gap: 8px; }
.skill {
  background: var(--color-primary-light); border: 1px solid var(--color-primary-mid);
  border-radius: var(--radius-pill); padding: 5px 14px;
  font-size: .86rem; color: var(--color-primary-dark); font-weight: 500;
}

/* ── Artigo list card ───────────────────────────── */
.artigo-item {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 22px 24px;
  box-shadow: 0 2px 6px rgba(0,0,0,.04);
  transition: border-color .15s, box-shadow .15s;
  margin-bottom: 14px;
}
.artigo-item:last-child { margin-bottom: 0; }
.artigo-item:hover { border-color: var(--color-primary); box-shadow: 0 4px 12px rgba(10,102,194,.1); }
.artigo-item .data { font-size: .8rem; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.artigo-item h2 { font-size: 1.1rem; margin-bottom: 6px; }
.artigo-item h2 a { color: var(--color-text); text-decoration: none; font-weight: 700; }
.artigo-item h2 a:hover { color: var(--color-primary); }
.artigo-item p { color: #555; font-size: .93rem; }

/* ── Artigo content ─────────────────────────────── */
.artigo-content {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 40px;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
.artigo-content h1 { font-size: 1.9rem; color: var(--color-text); line-height: 1.25; margin-bottom: 24px; font-weight: 700; }
.artigo-content h2 { font-size: 1.3rem; color: var(--color-text); margin: 36px 0 14px; font-weight: 700; }
.artigo-content h3 { font-size: 1.05rem; color: var(--color-primary); margin: 24px 0 10px; font-weight: 700; }
.artigo-content p  { color: #444; font-size: .97rem; margin-bottom: 18px; line-height: 1.75; }
.artigo-content a  { color: var(--color-primary); }
.artigo-content a:hover { text-decoration: underline; }
.artigo-content ul, .artigo-content ol { padding-left: 24px; margin-bottom: 18px; }
.artigo-content li { color: #444; font-size: .96rem; margin-bottom: 8px; line-height: 1.65; }
.artigo-content strong { color: var(--color-text); }
.artigo-content hr { border: none; border-top: 1px solid var(--color-border); margin: 36px 0; }
.artigo-content blockquote {
  border-left: 4px solid var(--color-primary); padding: 14px 20px;
  background: var(--color-primary-light); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
}
.artigo-content blockquote p { color: #334; font-style: italic; margin: 0; }
.artigo-content code {
  font-family: var(--font-mono); background: var(--color-primary-light);
  padding: 2px 6px; border-radius: 4px; font-size: .88rem;
  color: var(--color-primary); border: 1px solid var(--color-border);
}

/* ── Hero buttons ───────────────────────────────── */
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  text-decoration: none; font-size: .9rem; font-weight: 500;
  border: 1.5px solid rgba(255,255,255,.4); color: #fff;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: rgba(255,255,255,.15); border-color: #fff; }
.btn-primary { background: #fff; color: var(--color-primary); border-color: #fff; font-weight: 700; }
.btn-primary:hover { background: var(--color-primary-light); color: var(--color-primary); }

/* ── Feature cards ──────────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 16px; margin-top: 8px; }
.feature-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary); border-radius: var(--radius-md);
  padding: 22px; box-shadow: 0 2px 6px rgba(0,0,0,.05);
}
.feature-card h3 { font-size: .8rem; color: var(--color-primary); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 10px; font-weight: 700; }
.feature-card p { font-size: .93rem; color: #555; }

/* ── Back link ──────────────────────────────────── */
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .86rem; color: var(--color-primary); text-decoration: none;
  margin-bottom: 32px; font-weight: 500;
  padding: 6px 12px; border-radius: var(--radius-sm);
  background: var(--color-primary-light); border: 1px solid var(--color-border);
  transition: border-color .15s;
}
.back-link:hover { border-color: var(--color-primary); }

/* ── Contato ────────────────────────────────────── */
.contact-item {
  display: grid; align-items: center; gap: 16px;
  padding: 20px 24px; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  text-decoration: none; color: var(--color-text);
  transition: border-color .15s, box-shadow .15s;
  box-shadow: 0 2px 6px rgba(0,0,0,.04); margin-bottom: 14px;
}
.contact-item:hover { border-color: var(--color-primary); box-shadow: 0 4px 12px rgba(10,102,194,.1); }
.contact-item .icon { font-size: 1.5rem; }
.contact-item .label { font-size: .78rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: 3px; font-weight: 600; }
.contact-item .value { font-size: 1rem; color: var(--color-primary); font-weight: 600; }

/* ── Responsivo ─────────────────────────────────── */
@media (max-width: 600px) {
  .site-nav { padding: 0 16px; }
  .site-nav ul { gap: 2px; }
  .site-nav ul a { padding: 6px 8px; font-size: .8rem; }
  .site-main { padding: 32px 16px 80px; }
  .site-footer { padding: 20px 16px; }
  .hero-banner { padding: 24px 20px; }
  .hero-banner h1 { font-size: 1.7rem; }
  .card { padding: 20px; }
  .artigo-content { padding: 24px; }
  .btn-group { flex-direction: column; }
}