/* ===========================================================================
   Tema AURORA — dark tech, gradientes e vidro fosco
   Laboratorio de Solucoes Baseadas em Tecnologia (LaTec)
   =========================================================================== */
:root {
  --bg: #070b16;
  --bg-2: #0b1120;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #e7eef7;
  --muted: #93a3b8;
  --primary: #21d4a3;
  --cyan: #38bdf8;
  --violet: #a78bfa;
  --grad: linear-gradient(115deg, #21d4a3 0%, #38bdf8 48%, #a78bfa 100%);
  --grad-soft: linear-gradient(115deg, rgba(33,212,163,.16), rgba(56,189,248,.16), rgba(167,139,250,.16));
  --radius: 18px;
  --shadow: 0 18px 50px -20px rgba(0, 0, 0, .8);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-head: 'Space Grotesk', var(--font);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Fundo aurora fixo */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 12% 0%, rgba(33, 212, 163, .18), transparent 60%),
    radial-gradient(55% 50% at 92% 8%, rgba(167, 139, 250, .16), transparent 60%),
    radial-gradient(70% 60% at 50% 100%, rgba(56, 189, 248, .12), transparent 65%),
    var(--bg);
}
.aurora-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, #000, transparent 80%);
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--primary); }

h1, h2, h3, h4, .display { font-family: var(--font-head); font-weight: 600; letter-spacing: -.02em; line-height: 1.15; }

.container-l { max-width: 1180px; margin: 0 auto; padding: 0 22px; }

.text-grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.muted { color: var(--muted); }
.eyebrow {
  font-family: var(--font-head);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
}

/* ---------- Navbar ---------- */
.nav-aurora {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(7, 11, 22, .72);
  border-bottom: 1px solid var(--border);
}
.nav-aurora .container-l { display: flex; align-items: center; gap: 18px; height: 66px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; color: var(--text); }
.brand .mark {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--grad); color: #04130f; font-weight: 800; box-shadow: 0 6px 18px -6px rgba(33, 212, 163, .7);
}
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  color: var(--muted); font-size: .92rem; font-weight: 500; padding: 8px 13px; border-radius: 10px;
  transition: .18s; white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: var(--surface); }
.nav-links a.active { color: var(--text); background: var(--surface-2); }
.nav-cta {
  margin-left: 6px; padding: 8px 16px !important; color: #04130f !important;
  background: var(--grad); border-radius: 11px; font-weight: 600;
}
.nav-toggle { display: none; margin-left: auto; background: var(--surface); border: 1px solid var(--border); color: var(--text); width: 42px; height: 42px; border-radius: 11px; font-size: 1.3rem; }

/* ---------- Botoes ---------- */
.btn-a {
  display: inline-flex; align-items: center; gap: 9px; padding: 12px 22px; border-radius: 13px;
  font-weight: 600; font-size: .96rem; border: 1px solid transparent; cursor: pointer; transition: .2s;
}
.btn-primary-a { background: var(--grad); color: #04130f; box-shadow: 0 12px 30px -12px rgba(33, 212, 163, .65); }
.btn-primary-a:hover { transform: translateY(-2px); color: #04130f; }
.btn-ghost-a { background: var(--surface); border-color: var(--border-strong); color: var(--text); }
.btn-ghost-a:hover { background: var(--surface-2); color: var(--text); transform: translateY(-2px); }

/* ---------- Secoes ---------- */
section { position: relative; }
.sec { padding: 84px 0; }
.sec-head { max-width: 720px; margin-bottom: 42px; }
.sec-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin: 12px 0 10px; }
.sec-head p { color: var(--muted); font-size: 1.05rem; margin: 0; }

/* ---------- Hero ---------- */
.hero { padding: 90px 0 70px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.3rem); margin: 18px 0 18px; }
.hero .lead { font-size: clamp(1.05rem, 2vw, 1.32rem); color: var(--muted); max-width: 640px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.foco-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 15px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text); font-size: .88rem; font-weight: 500;
}
.chip i { color: var(--primary); }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 22px; text-align: center; backdrop-filter: blur(6px);
}
.stat .num { font-family: var(--font-head); font-size: 2.6rem; font-weight: 700; line-height: 1; }
.stat .lbl { color: var(--muted); font-size: .9rem; margin-top: 8px; }

/* ---------- Cards de vidro ---------- */
.card-a {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; backdrop-filter: blur(6px); transition: .25s; height: 100%;
}
.card-a:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Pessoas ---------- */
.avatar { width: 64px; height: 64px; border-radius: 16px; object-fit: cover; border: 1px solid var(--border-strong); flex: none; }
.avatar-iniciais { display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; color: #04130f; background: var(--grad); }
.avatar-lg { width: 108px; height: 108px; border-radius: 22px; font-size: 2rem; }
.pessoa-card { display: flex; flex-direction: column; gap: 14px; }
.pessoa-card .nome { font-family: var(--font-head); font-weight: 600; font-size: 1.12rem; }
.pessoa-card .cargo { color: var(--primary); font-size: .85rem; font-weight: 500; }
.pessoa-meta { color: var(--muted); font-size: .9rem; }
.pessoa-links { display: flex; gap: 12px; margin-top: auto; padding-top: 8px; }
.pessoa-links a { color: var(--muted); font-size: 1.15rem; }
.pessoa-links a:hover { color: var(--primary); }

/* ---------- Pesquisas ---------- */
.selo {
  display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px; border-radius: 999px;
  font-size: .78rem; font-weight: 600; border: 1px solid var(--border);
}
.selo-tese { background: rgba(167,139,250,.14); color: #c4b5fd; border-color: rgba(167,139,250,.3); }
.selo-dissertacao { background: rgba(56,189,248,.14); color: #7dd3fc; border-color: rgba(56,189,248,.3); }
.status-andamento { background: rgba(56,189,248,.12); color: #7dd3fc; border-color: rgba(56,189,248,.28); }
.status-qualificada { background: rgba(251,191,36,.12); color: #fcd34d; border-color: rgba(251,191,36,.28); }
.status-defendida { background: rgba(33,212,163,.14); color: #6ee7b7; border-color: rgba(33,212,163,.3); }
.pesquisa-card .titulo { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; margin: 12px 0 8px; }
.pesquisa-card .resumo { color: var(--muted); font-size: .94rem; }
.palavras { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.palavra { font-size: .76rem; color: var(--muted); background: var(--surface-2); padding: 4px 10px; border-radius: 8px; }
.filtros { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.filtros a { padding: 8px 16px; border-radius: 11px; background: var(--surface); border: 1px solid var(--border); color: var(--muted); font-size: .88rem; }
.filtros a.on { background: var(--grad); color: #04130f; font-weight: 600; }

/* ---------- Eventos / defesas ---------- */
.evento-card { overflow: hidden; padding: 0; }
.evento-foto { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-bottom: 1px solid var(--border); }
.evento-foto.ph { background: var(--grad-soft); display: grid; place-items: center; font-size: 3rem; color: var(--primary); }
.evento-body { padding: 24px; }
.banca-list { list-style: none; padding: 0; margin: 12px 0 0; }
.banca-list li { color: var(--muted); font-size: .9rem; padding: 3px 0 3px 20px; position: relative; }
.banca-list li::before { content: "\F26A"; font-family: "bootstrap-icons"; position: absolute; left: 0; color: var(--primary); font-size: .8rem; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--primary), var(--violet)); opacity: .5; }
.tl-item { position: relative; margin-bottom: 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--primary); box-shadow: 0 0 0 4px rgba(33, 212, 163, .12);
}
.tl-date { font-size: .8rem; color: var(--primary); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.tl-card { margin-top: 8px; }
.tl-kind { display: inline-flex; align-items: center; gap: 6px; font-size: .76rem; color: var(--muted); margin-bottom: 6px; }
.tl-title { font-family: var(--font-head); font-weight: 600; font-size: 1.06rem; }
.tl-foto { width: 100%; max-height: 280px; object-fit: cover; border-radius: 12px; margin-top: 12px; border: 1px solid var(--border); }

/* ---------- Projetos ---------- */
.projeto-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.projeto-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-bottom: 1px solid var(--border); }
.projeto-img.ph { background: var(--grad-soft); display: grid; place-items: center; font-size: 2.6rem; color: var(--primary); }
.projeto-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.projeto-body .titulo { font-family: var(--font-head); font-weight: 600; font-size: 1.12rem; }
.techs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tech { font-size: .74rem; color: var(--cyan); background: rgba(56,189,248,.1); border: 1px solid rgba(56,189,248,.22); padding: 3px 9px; border-radius: 7px; }
.projeto-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 12px; }

/* ---------- Sobre / institucional ---------- */
.prosa p { color: #c7d2dd; font-size: 1.06rem; margin-bottom: 18px; }
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.info-item { display: flex; gap: 14px; align-items: flex-start; }
.info-item i { color: var(--primary); font-size: 1.4rem; margin-top: 2px; }
.info-item .k { font-size: .8rem; color: var(--muted); }
.info-item .v { font-weight: 500; }

/* ---------- Footer ---------- */
.footer-aurora { border-top: 1px solid var(--border); background: rgba(7, 11, 22, .6); margin-top: 40px; }
.footer-aurora .container-l { padding-top: 54px; padding-bottom: 34px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 30px; }
.footer-aurora .muted { font-size: .92rem; }
.footer-aurora h5 { font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: 14px; }
.footer-aurora .flinks { display: flex; flex-direction: column; gap: 9px; }
.footer-aurora .flinks a { color: #c7d2dd; font-size: .94rem; }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 34px; padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: .86rem; }

/* ---------- Seletor de tema ---------- */
.tema-dock {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 60;
  display: flex; align-items: center; gap: 6px; padding: 7px 9px;
  background: rgba(11, 17, 32, .82); backdrop-filter: blur(14px);
  border: 1px solid var(--border-strong); border-radius: 999px; box-shadow: var(--shadow);
}
.tema-dock .lbl { font-size: .72rem; color: var(--muted); padding: 0 6px; text-transform: uppercase; letter-spacing: .1em; }
.tema-dock a { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--muted); padding: 6px 12px; border-radius: 999px; font-weight: 500; }
.tema-dock a:hover { color: var(--text); background: var(--surface); }
.tema-dock a.on { background: var(--grad); color: #04130f; font-weight: 600; }

/* ---------- Util ---------- */
.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty i { font-size: 2.6rem; color: var(--border-strong); display: block; margin-bottom: 12px; }
.reveal { opacity: 0; transform: translateY(18px); transition: .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: rgba(7,11,22,.97); padding: 12px; gap: 4px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: inline-block; }
  .tema-dock .lbl { display: none; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4, .grid-2, .stats { grid-template-columns: 1fr; }
  .sec { padding: 60px 0; }
}