:root {
  --bg: #f7f4ef;
  --surface: #ffffff;
  --text: #1f1d1a;
  --muted: #6b665e;
  --line: #e4ddd2;
  --accent: #b4532a;
  --accent-soft: #f6e6dc;
  --chip: #efe9e0;
  --shadow: 0 1px 2px rgba(31, 29, 26, .04), 0 8px 24px rgba(31, 29, 26, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --surface: #1f1e1b;
    --text: #ece8e1;
    --muted: #a39d93;
    --line: #2f2d29;
    --accent: #e08a5f;
    --accent-soft: #3a2a21;
    --chip: #2a2825;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* Topo */
.top {
  display: flex;
  justify-content: flex-end;
  padding: 20px 0 0;
}

.lang {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  font-size: 14px;
}

.lang a, .lang span { padding: 4px 12px; text-decoration: none; }
.lang span { background: var(--text); color: var(--bg); }
.lang a { color: var(--muted); }
.lang a:hover { color: var(--text); }

.hero {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  align-items: center;
  padding: 40px 0 32px;
}

.hero img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
}

h1, h2, h3 { font-family: "Fraunces", Georgia, serif; font-weight: 600; line-height: 1.2; margin: 0; }

h1 { font-size: 44px; letter-spacing: -.02em; }

.tagline { margin: 8px 0 14px; color: var(--muted); font-size: 18px; }

.links { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 15px; }

/* Seções */
section { padding: 36px 0; border-top: 1px solid var(--line); }

h2 {
  font-size: 13px;
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

.about p { margin: 0 0 14px; font-size: 18px; }
.about .open { color: var(--accent); font-weight: 500; }

.stack li { display: grid; grid-template-columns: 200px 1fr; gap: 16px; }
.stack small { font-size: 16px; color: var(--text); }

@media (max-width: 640px) {
  .stack li { grid-template-columns: 1fr; gap: 2px; }
}

/* Projetos */
.featured {
  background: var(--surface);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.featured h3 { font-size: 26px; margin-bottom: 4px; }

/* O logo do OPIN é branco e verde-claro sobre transparente: no tema claro ele é escurecido para aparecer */
.opin-logo { margin-bottom: 12px !important; line-height: 0; }
.opin-logo img { height: 64px; width: auto; filter: brightness(.35); }

@media (prefers-color-scheme: dark) {
  .opin-logo img { filter: none; }
}
.featured .sub { color: var(--muted); margin: 0 0 14px; }
.featured p { margin: 0 0 14px; }

.projects { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.card {
  background: var(--surface);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.card h3 { font-size: 20px; margin-bottom: 8px; }
.card p { margin: 0 0 14px; font-size: 15.5px; color: var(--muted); flex: 1; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 16px; padding: 0; list-style: none; }
.tags li { background: var(--chip); border-radius: 6px; padding: 2px 8px; font-size: 13px; color: var(--muted); }

.actions { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 15px; font-weight: 500; }

/* Listas */
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.list li:first-child { padding-top: 0; }
.list li:last-child { border-bottom: 0; padding-bottom: 0; }
.list strong { display: block; font-weight: 600; }
.list small { color: var(--muted); font-size: 15px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li { border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; font-size: 15px; }

footer { padding: 32px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { grid-template-columns: 1fr; gap: 18px; padding-top: 24px; }
  .hero img { width: 96px; height: 96px; }
  h1 { font-size: 36px; }
  .projects { grid-template-columns: 1fr; }
  .featured { padding: 22px; }
}