/* ===== Reset e base ===== */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

/* ===== Temas ===== */
:root {
  --bg: #0b0e13;
  --text: #e6e8ec;
  --muted: #a8b0bd;
  --card: #11161d;
  --line: #1e2530;
  --primary: #3b82f6;
  --primary-contrast: #ffffff;
  --chip: #1a2230;
  --focus: #93c5fd;
}
:root[data-theme="light"] {
  --bg: #f7f8fa;
  --text: #111418;
  --muted: #4b5563;
  --card: #ffffff;
  --line: #e5e7eb;
  --primary: #2563eb;
  --primary-contrast: #ffffff;
  --chip: #eef2ff;
  --focus: #1d4ed8;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f8fa;
    --text: #111418;
    --muted: #4b5563;
    --card: #ffffff;
    --line: #e5e7eb;
    --primary: #2563eb;
    --primary-contrast: #ffffff;
    --chip: #eef2ff;
    --focus: #1d4ed8;
  }
}

/* ===== Acessibilidade ===== */
.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
  left: 16px; top: 16px; width: auto; height: auto; padding: .5rem .75rem;
  background: var(--primary); color: var(--primary-contrast); border-radius: .5rem; z-index: 1000;
}
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* ===== Layout ===== */
.container { width: min(1100px, 92%); margin-inline: auto; }
.section { padding: 56px 0; border-top: 1px solid var(--line); }
.hero { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; padding: 32px 0 24px; }
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.6fr .8fr; }
}

.nav {
  display: flex; align-items: center; gap: 16px; padding: 16px 0;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.logo {
  width: 36px; height: 36px; display: grid; place-items: center;
  background: var(--primary); color: var(--primary-contrast); border-radius: 8px; font-weight: 700;
}
.brand-title { font-weight: 600; font-size: 1rem; }
.navlinks { display: flex; gap: 12px; flex-wrap: wrap; }
.navlinks a { color: inherit; text-decoration: none; padding: 6px 10px; border-radius: 8px; }
.navlinks a:hover { background: var(--chip); }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: inherit; border-radius: 10px; padding: 8px 10px; cursor: pointer; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.p12 { padding: 12px; }
.p24 { padding: 24px; }

.title { margin: 8px 0 6px; font-size: clamp(1.4rem, 1rem + 2vw, 2rem); line-height: 1.25; }
.subtitle { margin: 0; color: var(--muted); }

.muted { color: var(--muted); }
.badges, .chips, .cta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.badge, .chip {
  background: var(--chip); border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; font-size: .9rem;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); text-decoration: none; color: inherit;
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-contrast); }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: 1fr; }
.grid.cols-3 { grid-template-columns: 1fr; }
@media (min-width: 800px) {
  .grid.cols-2 { grid-template-columns: 1fr 1fr; }
  .grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
}
.item .hd { margin-bottom: 6px; }
.list { padding-left: 16px; }

.avatar img {
  display: block; width: 100%; height: auto; border-radius: 14px; object-fit: cover;
}

/* Timeline */
.timeline { display: grid; gap: 16px; }
.tl-item { padding: 12px 0; border-top: 1px dashed var(--line); }
.tl-item:first-child { border-top: 0; }
.tl-meta { color: var(--muted); font-size: .95rem; }

/* Footer */
.foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 0; flex-wrap: wrap; }
.social a { text-decoration: none; color: inherit; padding: 6px 10px; border-radius: 8px; }
.social a:hover { background: var(--chip); }

/* Formulário */
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field input, .field textarea {
  background: transparent; color: inherit; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; font: inherit;
}
.field input:focus, .field textarea:focus { border-color: var(--focus); }
.hp { position: absolute; left: -9999px; }
.status { margin-left: 8px; font-size: .95rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ===== Projects (BEM) ===== */
.projects {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
  margin-top: 20px;
}
@media (min-width: 720px) { .projects { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .projects { grid-template-columns: repeat(3, 1fr); } }

.project-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.project-card:hover, .project-card:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0,0,0,.22);
}

.project-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.project-card__body {
  padding: 16px;
  display: grid;
  gap: 8px;
}
.project-card__title { font-weight: 600; margin: 0; }
.project-card__desc { margin: 0; color: var(--muted); }

.project-card__chips {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.project-card__chips .chip {
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: .9rem;
  color: var(--text);
}

.project-card__cta { display: flex; gap: 8px; margin-top: 8px; }

/* Cabeçalho de filtros */
.projects__head {
  display: grid; gap: 12px; align-items: end; margin-bottom: 12px;
}
@media (min-width: 720px) {
  .projects__head { grid-template-columns: 1fr 1fr; }
}
.projects__filters {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.projects__filters input[type="search"],
.projects__filters select {
  background: transparent; color: inherit; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; font: inherit; flex: 1 1 220px;
}