:root {
  --bg: #071b30;
  --bg-strong: #041220;
  --bg-alt: #0b2744;
  --panel: rgba(12, 40, 70, 0.78);
  --panel-alt: rgba(15, 48, 84, 0.96);
  --card: rgba(14, 44, 77, 0.9);
  --card-strong: rgba(18, 54, 92, 0.96);
  --line: rgba(140, 205, 235, 0.16);
  --line-strong: rgba(64, 192, 208, 0.36);
  --text: #eef8ff;
  --muted: #c5dbea;
  --green: #2cc4c0;
  --green-soft: rgba(44, 196, 192, 0.14);
  --aqua: #6fd6e6;
  --aqua-soft: rgba(64, 192, 208, 0.12);
  --cyan: #8fe0ee;
  --accent: #f28a1e;
  --accent-ink: #07213a;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
  --shadow-soft: 0 18px 40px rgba(4, 18, 32, 0.4);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(47, 196, 198, 0.12), transparent 18%),
    radial-gradient(circle at 88% 12%, rgba(95, 160, 235, 0.12), transparent 22%),
    linear-gradient(180deg, var(--bg) 0%, #0c2038 100%);
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.01) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.01) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at center, black 28%, transparent 100%);
}

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

button {
  font: inherit;
}

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

.container {
  width: min(var(--container), calc(100% - 36px));
  margin: 0 auto;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.orb-one {
  width: 430px;
  height: 430px;
  background: rgba(47, 196, 198, 0.16);
  top: 80px;
  left: -120px;
}

.orb-two {
  width: 540px;
  height: 540px;
  background: rgba(95, 160, 235, 0.12);
  right: -150px;
  top: 200px;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  padding: 26px 0 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 0 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  transition: transform 0.2s ease;
}

.brand:hover {
  transform: translateY(-1px);
}

.brand img {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  box-shadow: 0 12px 24px rgba(95, 160, 235, 0.18);
  border: 1px solid rgba(255,255,255,0.08);
}

.brand strong {
  display: block;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.brand-kicker {
  display: block;
  font-size: 0.64rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  opacity: 0.9;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a {
  transition: color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.nav a:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
  align-items: center;
  padding: 54px 0 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(47, 196, 198, 0.1);
  border: 1px solid rgba(47, 196, 198, 0.28);
  color: var(--green);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero-copy h1 {
  margin: 20px 0 16px;
  font-size: clamp(2.8rem, 4.9vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
  max-width: 720px;
  text-wrap: balance;
}

.hero-copy p {
  max-width: 640px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.btn.primary {
  background: linear-gradient(135deg, var(--green), var(--aqua));
  color: #04182c;
  box-shadow: 0 18px 34px rgba(47, 196, 198, 0.2);
}

.btn.secondary {
  background: rgba(255,255,255,0.02);
  color: var(--text);
}

.hero-metrics {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 16px;
  max-width: 560px;
}

.hero-metrics li {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 14px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.hero-metrics li:hover {
  transform: translateY(-2px);
  border-color: rgba(95, 160, 235, 0.28);
}

.hero-metrics strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 0.78rem;
}

.hero-panel {
  position: relative;
  min-height: 420px;
  padding: 18px;
  border-radius: calc(var(--radius) + 12px);
  background: linear-gradient(180deg, rgba(10, 28, 50, 0.97), rgba(7, 20, 38, 0.94));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(95, 160, 235, 0.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(47, 196, 198, 0.17), transparent 34%);
}

.panel-card {
  position: relative;
  z-index: 1;
  background: rgba(9, 20, 17, 0.75);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  margin-top: 18px;
}

.panel-label {
  display: inline-flex;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(95,160,235,0.08);
  border: 1px solid rgba(95,160,235,0.18);
  color: var(--aqua);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.panel-card h2 {
  margin: 18px 0 10px;
  line-height: 1.1;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.panel-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.mini-grid {
  position: relative;
  z-index: 1;
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.mini-grid div {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.mini-grid div:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 196, 198, 0.24);
}

.mini-grid strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 6px;
}

.mini-grid span {
  color: var(--muted);
  font-size: 0.8rem;
}

.section {
  padding: 100px 0;
}

.section-head {
  margin-bottom: 28px;
}

.section-head.center {
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-head h2,
.section-head h3 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.1rem);
  letter-spacing: -0.05em;
  line-height: 1.1;
  max-width: 760px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.info-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.info-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 196, 198, 0.25);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--green-soft), var(--aqua-soft));
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--green);
  font-weight: 700;
}

.info-card h3 {
  margin: 18px 0 12px;
  font-size: 1.3rem;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 24px;
}

.filter {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  cursor: pointer;
  transition: 0.2s ease;
}

.filter.active,
.filter:hover {
  background: linear-gradient(135deg, rgba(47,196,198,0.12), rgba(95,160,235,0.08));
  border-color: rgba(47,196,198,0.28);
  color: var(--text);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.project-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(16, 40, 70, 0.96), rgba(9, 26, 48, 0.96));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(47,196,198,0.28);
  box-shadow: 0 28px 54px rgba(0, 0, 0, 0.26);
}

.project-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, rgba(47, 196, 198, 0.14), rgba(95, 160, 235, 0.1), rgba(8, 22, 42, 1));
  border-bottom: 1px solid var(--line);
}

.project-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 22, 44, 0) 0%, rgba(6, 22, 44, 0.28) 100%);
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px 18px;
}

.project-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(95,160,235,0.08);
  border: 1px solid rgba(95,160,235,0.18);
  color: var(--aqua);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.project-content h3 {
  margin: 0;
  font-size: 1.32rem;
}

.project-content p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.project-actions {
  margin-top: auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 10px;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 0.87rem;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.link-btn.primary {
  background: linear-gradient(135deg, rgba(47,196,198,0.16), rgba(95,160,235,0.08));
  border-color: rgba(47,196,198,0.24);
}

.link-btn.secondary {
  background: rgba(255,255,255,0.02);
}

.link-btn.muted {
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  cursor: default;
}

.link-btn:hover {
  transform: translateY(-1px);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 36px 24px;
  text-align: center;
  border: 1px dashed rgba(173, 229, 213, 0.22);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
}

.empty-state h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.method-item {
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01));
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 22px 18px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.method-item:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 196, 198, 0.22);
}

.method-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(47,196,198,0.12);
  border: 1px solid rgba(47,196,198,0.18);
  color: var(--green);
  font-weight: 800;
  margin-bottom: 16px;
}

.method-item h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.method-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(3, 12, 26, 0.88);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 78px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .hero,
  .about-grid,
  .project-grid,
  .method-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    flex-wrap: wrap;
  }

  .about-grid,
  .project-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 18px 0;
  }
}

/* --- chips de competências (versão atual) --- */
.project-skills {
  display: grid;
  gap: 10px;
  margin-top: 6px;
  padding-top: 2px;
}

.skill-group {
  display: grid;
  gap: 5px;
}

.skill-label {
  display: inline-flex;
  align-items: center;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(207, 233, 223, 0.8);
  font-weight: 700;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: 1px solid transparent;
  line-height: 1;
}

.skill-chip.bncc {
  background: rgba(47, 196, 198, 0.08);
  border-color: rgba(47, 196, 198, 0.16);
  color: rgba(47, 196, 198, 0.95);
}

.skill-chip.computacao {
  background: rgba(95, 160, 235, 0.06);
  border-color: rgba(95, 160, 235, 0.14);
  color: rgba(95, 160, 235, 0.95);
}

@media (max-width: 720px) {
  .project-content {
    gap: 10px;
    padding: 16px 14px 14px;
  }

  .project-content h3 {
    font-size: 1.18rem;
  }

  .project-skills {
    gap: 8px;
  }

  .skill-label {
    font-size: 0.55rem;
    letter-spacing: 0.09em;
  }

  .skill-chip {
    font-size: 0.58rem;
    padding: 4px 7px;
  }
}

/* --- v2: acessibilidade e novos componentes --- */
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;padding:12px 18px;border-radius:10px;background:var(--green);color:#04182c;font-weight:700;text-decoration:none}
.skip-link:focus{top:12px}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--aqua);outline-offset:3px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.gh-link{display:inline-flex;align-items:center;gap:8px;min-height:44px}
.gh-link svg{width:24px;height:24px;fill:currentColor}
.hero-img{width:100%;height:auto;border-radius:var(--radius-sm);margin-bottom:16px}
.types{padding-top:0}
.toolbar{display:grid;gap:6px;max-width:420px;margin:0 0 16px}
.toolbar label{font-size:.85rem;font-weight:600;color:var(--muted)}
.toolbar input{min-height:44px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:var(--card);color:var(--text);font:inherit}
.filter{min-height:44px}
.project-details{margin-top:4px}
.project-details summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:600;color:var(--cyan)}
.project-details p{margin:8px 0}
.skill-label{font-size:.75rem}
.skill-chip{font-size:.75rem;min-height:28px;padding:5px 9px}
.project-tag{font-size:.75rem}
.link-btn{min-height:44px;display:inline-flex;align-items:center}


/* --- v3: tema claro, alternância e "Para quem é" --- */
:root{color-scheme:dark}
:root[data-theme="light"] body{background:radial-gradient(circle at 10% 10%,rgba(11,122,128,.08),transparent 18%),radial-gradient(circle at 88% 12%,rgba(23,73,123,.08),transparent 22%),linear-gradient(180deg,var(--bg) 0%,#e3ecf5 100%)}
:root[data-theme="light"] .bg-orb{opacity:.25}
:root[data-theme="light"] .hero-panel,:root[data-theme="light"] .project-card,:root[data-theme="light"] .info-card,:root[data-theme="light"] .method-item,:root[data-theme="light"] .hero-metrics li{background:#fff}
:root[data-theme="light"] .project-thumb{background:linear-gradient(135deg,rgba(11,122,128,.1),rgba(23,73,123,.08),#fff)}
:root[data-theme="light"] .project-thumb::after{background:none}
:root[data-theme="light"] .method-item span{background:rgba(11,122,128,.1);color:#0b7a80}
.theme-toggle{min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line-strong);background:var(--card);color:var(--text);font:inherit;font-weight:600;cursor:pointer}
.theme-toggle:hover{border-color:var(--green)}
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.audience-card{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);display:flex;flex-direction:column;gap:10px}
.audience-card h3{margin:0}
.audience-card p{margin:0;color:var(--muted)}
.audience-card a{margin-top:auto;min-height:44px;display:inline-flex;align-items:center;font-weight:600;color:var(--cyan)}
@media (max-width:900px){.audience-grid{grid-template-columns:1fr}}


/* --- v4: identidade da marca (azul-marinho, turquesa, laranja) --- */
:root[data-theme="light"]{--orange:#b85c00}
.eyebrow,.brand-kicker{color:var(--orange)}
.badge{border-color:var(--orange)}
.hero-metrics strong{color:var(--orange)}
.filter.active,.filter[aria-pressed="true"]{border-color:var(--orange)}
.brand img{border-radius:50%;background:#fff}


/* --- v4: identidade da marca (azul-marinho, turquesa e laranja) e blog --- */
:root[data-theme="light"]{color-scheme:light;--bg:#f4f9fc;--bg-strong:#e7f0f6;--bg-alt:#eaf2f8;--panel:rgba(255,255,255,.92);--panel-alt:#fff;--card:#fff;--card-strong:#fff;--line:rgba(20,63,106,.16);--line-strong:rgba(20,63,106,.34);--text:#0f2d4a;--muted:#3b5772;--green:#0a7c86;--green-soft:rgba(10,124,134,.1);--aqua:#0b6f9a;--aqua-soft:rgba(11,111,154,.1);--cyan:#0b6a94;--shadow:0 18px 40px rgba(15,45,74,.12);--shadow-soft:0 10px 24px rgba(15,45,74,.1)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.btn.primary:hover{filter:brightness(1.08)}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nav a[aria-current="page"]{color:var(--text);box-shadow:inset 0 -2px 0 var(--accent)}
.meta{font-size:.85rem;color:var(--muted);margin:0}
.empty{padding:24px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);margin:0}

/* --- sprint 1: links institucionais no rodapé --- */
.footer-links{display:flex;flex-wrap:wrap;gap:4px 16px}
.footer-links a{min-height:44px;display:inline-flex;align-items:center;color:var(--cyan);font-weight:600}