/* ============================================================
   NOSSAeDU — Design System v2
   Referência: Accenture / McKinsey
   Paleta: #0A0A0A | #004F9F | #F27A22 | branco
   Fonte: Inter
   ============================================================ */

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

:root {
  --blue:      #004F9F;
  --blue-dark: #003a78;
  --blue-bg:   #EBF2FC;
  --orange:    #F27A22;
  --orange-dk: #d96518;
  --cyan:      #35B3E6;
  --black:     #0A0A0A;
  --dark:      #111827;
  --mid:       #374151;
  --muted:     #6B7280;
  --border:    #E5E7EB;
  --surface:   #F9FAFB;
  --white:     #ffffff;
  --ease:      cubic-bezier(.4,0,.2,1);
  --t:         .22s var(--ease);
  --r:         3px;
  --r-lg:      8px;
  --shadow:    0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.13);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── LAYOUT ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
section    { padding: 96px 0; }

/* ── TIPOGRAFIA ── */
.eyebrow {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 28px; height: 2px;
  background: currentColor;
  flex-shrink: 0;
}

.h1 { font-size: clamp(2.8rem,5vw,4.4rem); font-weight: 800; line-height: 1.06; letter-spacing: -.035em; }
.h2 { font-size: clamp(2rem,3.5vw,3rem);   font-weight: 700; line-height: 1.15; letter-spacing: -.025em; }
.h3 { font-size: clamp(1.4rem,2vw,1.8rem); font-weight: 700; line-height: 1.2;  letter-spacing: -.02em;  }
.h4 { font-size: 1.1rem; font-weight: 700; }

.lead { font-size: 1.1rem; line-height: 1.75; color: var(--mid); }
.body { font-size: .95rem; line-height: 1.72; color: var(--mid); }
.small{ font-size: .82rem; line-height: 1.6;  color: var(--muted); }

/* ── BOTÕES ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .01em;
  border-radius: var(--r);
  transition: var(--t);
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn-primary  { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dk); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(242,122,34,.3); }

.btn-white    { background: #fff; color: var(--dark); }
.btn-white:hover { background: #f3f4f6; }

.btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-outline-white:hover { background: rgba(255,255,255,.08); border-color: #fff; }

.btn-outline   { background: transparent; color: var(--dark); border-color: var(--border); }
.btn-outline:hover { border-color: var(--dark); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--orange);
  transition: gap var(--t);
}
.arrow-link:hover { gap: 10px; }

/* ── NAVBAR ── */
#navbar {
  position: fixed;
  inset: 0 0 auto;
  height: 70px;
  z-index: 1000;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), box-shadow var(--t);
}
#navbar.scrolled { border-bottom-color: var(--border); box-shadow: 0 1px 12px rgba(0,0,0,.06); }

.nav-inner {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* LOGO — usa imagem real */
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 64px; width: auto; display: block; }

.nav-links { display: flex; align-items: center; gap: 0; }
.nav-links a {
  font-size: .83rem;
  font-weight: 500;
  color: var(--mid);
  padding: 8px 13px;
  border-radius: var(--r);
  transition: color var(--t), background var(--t);
}
.nav-links a:hover, .nav-links a.active { color: var(--dark); background: var(--surface); }
.nav-cta {
  margin-left: 10px;
  padding: 9px 22px !important;
  background: var(--orange) !important;
  color: #fff !important;
  border-radius: var(--r) !important;
}
.nav-cta:hover { background: var(--orange-dk) !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--dark); border-radius: 2px; transition: var(--t); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
#home {
  min-height: 100vh;
  background: var(--black);
  display: flex;
  align-items: center;
  padding-top: 70px;
  position: relative;
  overflow: hidden;
}
/* Bloco diagonal de cor — assinatura visual corporativa */
.hero-block {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 46%;
  background: var(--blue-dark);
  clip-path: polygon(14% 0,100% 0,100% 100%,0 100%);
  opacity: .55;
  pointer-events: none;
}
.hero-block-2 {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 40%;
  background: var(--blue);
  clip-path: polygon(22% 0,100% 0,100% 100%,8% 100%);
  opacity: .35;
  pointer-events: none;
}
/* Linha laranja vertical — traço de marca */
.hero-line {
  position: absolute;
  top: 0; bottom: 0;
  right: calc(44% - 1px);
  width: 3px;
  background: var(--orange);
  opacity: .8;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 80px 0 100px;
  max-width: 660px;
}
.hero-inner .eyebrow { color: var(--cyan); }
.hero-inner .eyebrow::before { background: var(--cyan); }
.hero-inner .h1 { color: #fff; margin-bottom: 24px; }
.hero-inner .h1 em { color: var(--orange); font-style: normal; }
.hero-inner .lead { color: rgba(255,255,255,.68); max-width: 500px; margin-bottom: 40px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 72px; }

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.12);
  flex-wrap: wrap;
}
.stat-num  { font-size: 2.2rem; font-weight: 800; color: #fff; letter-spacing: -.03em; line-height: 1; }
.stat-num em { color: var(--orange); font-style: normal; }
.stat-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.45); margin-top: 4px; }

/* ── CARROSSEL DE INSTITUIÇÕES ── */
#parceiros {
  padding: 40px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.parceiros-header {
  text-align: center;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
}
.carousel-wrap {
  position: relative;
  overflow: hidden;
}
/* fade nas bordas */
.carousel-wrap::before,
.carousel-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.carousel-wrap::before { left: 0;  background: linear-gradient(to right, var(--surface), transparent); }
.carousel-wrap::after  { right: 0; background: linear-gradient(to left,  var(--surface), transparent); }

.carousel-track {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: marquee 36s linear infinite;
}
.carousel-track:hover { animation-play-state: paused; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.carousel-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 40px;
  border-right: 1px solid var(--border);
  height: 76px;
  flex-shrink: 0;
}
.carousel-item img {
  height: 28px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
  filter: grayscale(100%) opacity(50%);
  transition: filter var(--t);
  display: block;
}
.carousel-item:hover img { filter: grayscale(0%) opacity(100%); }
.carousel-item span {
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  opacity: .55;
  transition: opacity var(--t);
}
.carousel-item:hover span { opacity: 1; }

/* ── QUEM SOMOS ── */
#quem-somos { background: var(--white); }
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.sobre-text .h2 { margin-bottom: 24px; color: var(--black); }
.sobre-text .body { margin-bottom: 14px; }
.sobre-text .body:last-of-type { margin-bottom: 32px; }

/* Cards dos fundadores no painel direito */
.founder-stack { display: flex; flex-direction: column; gap: 20px; }
.founder-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 22px 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color var(--t), box-shadow var(--t);
}
.founder-card:hover { border-color: var(--orange); box-shadow: var(--shadow); }
.founder-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--border);
}
.founder-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center 12%; }
.founder-name { font-size: .95rem; font-weight: 700; color: var(--black); margin-bottom: 2px; }
.founder-role { font-size: .73rem; font-weight: 600; color: var(--orange); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.founder-bio  { font-size: .83rem; color: var(--muted); line-height: 1.6; margin-bottom: 10px; }
.founder-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.ftag {
  font-size: .68rem; font-weight: 600;
  padding: 3px 9px;
  background: var(--surface);
  color: var(--mid);
  border-radius: 20px;
  border: 1px solid var(--border);
}

/* ── QUEM SOMOS — cards horizontais compactos ── */
#quem-somos { background: var(--surface); }
.equipe-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.equipe-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: row;         /* horizontal */
  align-items: stretch;
  transition: box-shadow var(--t), transform var(--t);
}
.equipe-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

/* Foto lateral pequena — totalmente visível */
.equipe-photo {
  width: 130px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.equipe-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 10%;
  display: block;
}

.equipe-body { padding: 20px 20px 20px; flex: 1; min-width: 0; }
.equipe-body .h4 { font-size: .95rem; margin-bottom: 3px; }
.equipe-role {
  font-size: .65rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--orange); margin-bottom: 10px;
}
.equipe-body .body { font-size: .8rem; margin-bottom: 8px; line-height: 1.6; color: var(--mid); }
.equipe-tags { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0 10px; }
.etag {
  font-size: .63rem; font-weight: 600;
  padding: 2px 8px;
  background: var(--blue-bg);
  color: var(--blue);
  border-radius: 20px;
}
.equipe-links { display: flex; gap: 10px; }
.equipe-links a {
  font-size: .73rem; font-weight: 600;
  color: var(--muted);
  display: flex; align-items: center; gap: 4px;
  transition: color var(--t);
}
.equipe-links a:hover { color: var(--orange); }

/* ── CARROSSEL DE FOTOS (Soluções) ── */
.sol-photo-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,.08);
  background: #0d1117;
}
.sol-slides {
  display: flex;
  transition: transform .55s var(--ease);
}
.sol-slide {
  min-width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}
.sol-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .85;
  display: block;
}
/* Caption discreta sobre a foto */
.sol-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 12px 16px;
  background: linear-gradient(to top, rgba(0,0,0,.65), transparent);
  font-size: .72rem;
  color: rgba(255,255,255,.75);
  font-weight: 500;
  letter-spacing: .03em;
}
/* Botões prev/next */
.sol-prev, .sol-next {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 34px; height: 34px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  color: #fff; font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 3;
  transition: background var(--t);
  backdrop-filter: blur(4px);
}
.sol-prev { left: 10px; }
.sol-next { right: 10px; }
.sol-prev:hover, .sol-next:hover { background: rgba(255,255,255,.25); }
/* Dots */
.sol-dots {
  display: flex; justify-content: center; gap: 6px;
  padding: 10px 0 2px;
}
.sol-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(255,255,255,.25);
  cursor: pointer; transition: background var(--t), transform var(--t);
  border: none;
}
.sol-dot.active { background: var(--orange); transform: scale(1.3); }

/* ── SOLUÇÕES ── */
#solucoes { background: #0d1117; padding-bottom: 80px; }
#solucoes .eyebrow { color: var(--cyan); }
#solucoes .eyebrow::before { background: var(--cyan); }
#solucoes .h2 { color: #fff; margin-bottom: 10px; }
#solucoes > .container > .lead { color: rgba(255,255,255,.58); max-width: 540px; margin-bottom: 52px; }

.tab-nav {
  display: flex;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 48px;
  overflow-x: auto;
}
.tab-btn {
  padding: 13px 26px;
  font-size: .85rem; font-weight: 600;
  color: rgba(255,255,255,.45);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--t), border-color var(--t);
  white-space: nowrap;
}
.tab-btn:hover { color: rgba(255,255,255,.8); }
.tab-btn.active { color: #fff; border-bottom-color: var(--orange); }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .35s var(--ease); }
@keyframes fadeUp { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:none; } }

.sol-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.sol-text .h3 { color: #fff; margin-bottom: 18px; }
.sol-text .body { color: rgba(255,255,255,.62); margin-bottom: 12px; }
.sol-text .btn-primary { margin-top: 16px; }

.sol-panel {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--r-lg);
  padding: 28px;
}
.sol-panel-title {
  font-size: .65rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.3);
  margin-bottom: 18px;
}
.sol-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.sol-item {
  display: flex; align-items: center; gap: 10px;
  font-size: .83rem;
  color: rgba(255,255,255,.7);
  padding: 9px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.sol-item:nth-last-child(-n+2) { border-bottom: none; }
.sol-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--orange); flex-shrink: 0; }

/* Accordion organizações */
.org-list { display: flex; flex-direction: column; gap: 6px; }
details.org-cat {
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--r);
  overflow: hidden;
}
details.org-cat summary {
  padding: 12px 16px;
  font-size: .84rem; font-weight: 600;
  color: rgba(255,255,255,.75);
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
details.org-cat summary::-webkit-details-marker { display: none; }
.org-chevron { font-size: .7rem; color: rgba(255,255,255,.3); transition: transform var(--t); }
details.org-cat[open] .org-chevron { transform: rotate(90deg); }
.org-body {
  padding: 6px 16px 14px;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.org-tag {
  font-size: .73rem;
  padding: 3px 10px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 20px;
  color: rgba(255,255,255,.5);
}

/* ── DIFERENCIAIS ── */
#diferenciais { background: var(--white); }
.dif-header { max-width: 560px; margin-bottom: 60px; }
.dif-header .h2 { color: var(--black); margin-bottom: 14px; }
.dif-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.dif-cell {
  padding: 36px 28px;
  border-right: 1px solid var(--border);
  transition: background var(--t);
}
.dif-cell:last-child { border-right: none; }
.dif-cell:hover { background: var(--surface); }
.dif-num {
  font-size: 2.6rem; font-weight: 800;
  color: var(--orange);
  letter-spacing: -.04em; line-height: 1;
  margin-bottom: 14px;
}
.dif-cell h3 { font-size: .92rem; font-weight: 700; color: var(--black); margin-bottom: 8px; }
.dif-cell p  { font-size: .82rem; color: var(--muted); line-height: 1.6; }

/* ── PALESTRAS ── */
#palestras { background: var(--surface); }
.section-header {
  display: flex; align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px; gap: 24px;
}
.section-header-text .h2 { color: var(--black); }

.palestras-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.pal-card {
  background: var(--white);
  padding: 32px 26px;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: background var(--t);
}
.pal-card:last-child { border-right: none; }
.pal-card:hover { background: var(--blue); }
.pal-card:hover .pal-num,
.pal-card:hover h3,
.pal-card:hover .pal-sub,
.pal-card:hover .pal-divider,
.pal-card:hover li { color: rgba(255,255,255,.8) !important; border-color: rgba(255,255,255,.12) !important; }
.pal-card:hover li::before { background: rgba(255,255,255,.5); }
.pal-num { font-size: .68rem; font-weight: 700; letter-spacing: .12em; color: var(--muted); margin-bottom: 18px; transition: color var(--t); }
.pal-card h3 { font-size: 1rem; font-weight: 700; color: var(--black); margin-bottom: 6px; transition: color var(--t); }
.pal-sub { font-size: .8rem; color: var(--muted); margin-bottom: 18px; transition: color var(--t); }
.pal-divider { width: 28px; border-top: 2px solid var(--border); margin-bottom: 18px; transition: border-color var(--t); }
.pal-card ul { flex: 1; }
.pal-card li {
  font-size: .82rem; color: var(--mid);
  padding: 7px 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
  transition: color var(--t), border-color var(--t);
}
.pal-card li:last-child { border-bottom: none; }
.pal-card li::before { content:''; width:4px; height:4px; border-radius:50%; background:var(--orange); flex-shrink:0; }
.palestras-cta { text-align: center; margin-top: 48px; }

/* ── LIVROS ── */
#livros { background: var(--white); }
.livros-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.livros-text .h3 { color: var(--black); margin-bottom: 18px; }
.livros-text .body { margin-bottom: 28px; }

/* Capa do livro — imagem real */
.book-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px 0;
}
.book-cover {
  width: 200px;
  border-radius: 3px 10px 10px 3px;
  box-shadow: -5px 5px 0 #c8cfd9, 8px 18px 40px rgba(0,0,0,.28);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
  display: block;
}
.book-cover:hover {
  transform: rotate(-1.5deg) scale(1.04);
  box-shadow: -7px 7px 0 #c8cfd9, 12px 24px 52px rgba(0,0,0,.35);
}
.book-cover img {
  width: 100%;
  display: block;
}

/* Links de compra */
.buy-links { display: flex; flex-direction: column; gap: 10px; margin-top: 28px; }
.buy-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  font-size: .85rem; font-weight: 600;
  color: var(--dark);
  transition: border-color var(--t), background var(--t), transform var(--t);
}
.buy-link:hover {
  border-color: var(--orange);
  background: rgba(242,122,34,.04);
  transform: translateX(4px);
}
.buy-link-icon {
  width: 32px; height: 32px; border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: .9rem;
}
.buy-link-icon.amazon  { background: #FF9900; color: #fff; font-weight: 700; font-size: .7rem; }
.buy-link-icon.ml      { background: #FFE600; color: #333; font-weight: 700; font-size: .62rem; text-align:center; line-height: 1.1; }
.buy-link-icon.bok2    { background: var(--blue); color: #fff; font-weight: 700; font-size: .62rem; }
.buy-link-text strong  { display: block; margin-bottom: 1px; }
.buy-link-text span    { font-size: .72rem; color: var(--muted); font-weight: 400; }

/* ── ARTIGOS ── */
#artigos { background: var(--surface); }
.artigos-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 24px;
}
.artigo-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow var(--t), transform var(--t);
}
.artigo-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.artigo-body { padding: 24px 22px; flex: 1; }
.art-cat {
  font-size: .65rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 10px; display: block;
}
.artigo-card h3 { font-size: .92rem; font-weight: 700; line-height: 1.45; margin-bottom: 10px; }
.artigo-card p  { font-size: .82rem; color: var(--muted); line-height: 1.65; }
.artigo-footer {
  padding: 14px 22px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.art-autor { display: flex; align-items: center; gap: 8px; font-size: .77rem; color: var(--muted); }
.art-autor img { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }
.art-badge {
  font-size: .68rem; font-weight: 600;
  color: var(--muted); background: var(--surface);
  border: 1px solid var(--border);
  padding: 2px 8px; border-radius: 20px;
}
.art-ler {
  font-size: .75rem; font-weight: 600; color: var(--blue);
  background: none; border: none; cursor: pointer;
  padding: 0; text-decoration: underline; text-underline-offset: 3px;
}
.art-ler:hover { color: var(--orange); }

/* ── MODAL DE ARTIGO ── */
.art-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.55); z-index: 9000;
  align-items: center; justify-content: center;
  padding: 24px;
}
.art-modal-overlay.open { display: flex; }
.art-modal {
  background: #fff; border-radius: var(--r-lg);
  max-width: 740px; width: 100%;
  max-height: 85vh; overflow-y: auto;
  padding: 48px 52px; position: relative;
  box-shadow: 0 24px 64px rgba(0,0,0,.22);
}
.art-modal-close {
  position: absolute; top: 18px; right: 22px;
  background: none; border: none; font-size: 1.6rem;
  cursor: pointer; color: var(--muted); line-height: 1;
}
.art-modal-close:hover { color: var(--blue); }
.art-modal-cat {
  font-size: .65rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 12px; display: block;
}
.art-modal h2 { font-size: 1.3rem; font-weight: 800; line-height: 1.35; margin-bottom: 8px; }
.art-modal-autor { font-size: .8rem; color: var(--muted); margin-bottom: 32px; }
.art-modal-body p {
  font-size: .92rem; line-height: 1.8; color: var(--text);
  margin-bottom: 18px;
}
@media (max-width: 600px) {
  .art-modal { padding: 32px 24px; }
}

/* ── CTA BAND ── */
#cta-band { background: var(--blue); padding: 80px 0; }
.cta-band-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 40px;
}
.cta-band-inner h2 {
  font-size: clamp(1.6rem,2.8vw,2.3rem);
  font-weight: 700; color: #fff;
  max-width: 580px; line-height: 1.25;
}
.cta-band-inner .btn-white { flex-shrink: 0; }

/* ── CONTATO ── */
#contato { background: var(--white); }
.contato-layout {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 80px; align-items: start;
}
.contato-text .h3 { color: var(--black); margin-bottom: 16px; }
.contato-text .body { margin-bottom: 40px; }
.cinfo-list { display: flex; flex-direction: column; gap: 20px; }
.cinfo-item { display: flex; gap: 14px; align-items: flex-start; }
.cinfo-icon {
  width: 38px; height: 38px;
  border: 1px solid var(--border); border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; flex-shrink: 0;
}
.cinfo-label { font-size: .65rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 2px; }
.cinfo-value { font-size: .88rem; color: var(--dark); }
.cinfo-value a { transition: color var(--t); }
.cinfo-value a:hover { color: var(--orange); }

.form-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 40px;
}
.form-box h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 28px; }
.fg { margin-bottom: 16px; }
.fg label { display: block; font-size: .75rem; font-weight: 600; color: var(--mid); margin-bottom: 6px; letter-spacing: .02em; }
.fg input, .fg select, .fg textarea {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: var(--r);
  font-size: .88rem; font-family: inherit;
  background: var(--white); color: var(--dark);
  transition: border-color var(--t), box-shadow var(--t); outline: none;
}
.fg input:focus, .fg select:focus, .fg textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,79,159,.08);
}
.fg textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.btn-submit { width: 100%; justify-content: center; padding: 15px; font-size: .92rem; margin-top: 4px; }
.form-ok { display: none; text-align: center; padding: 28px; }
.form-ok p { font-weight: 600; color: var(--dark); margin-top: 8px; font-size: .95rem; }

/* ── FOOTER ── */
footer { background: #05080f; padding: 72px 0 0; }
.footer-grid {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-brand img { height: 32px; width: auto; margin-bottom: 18px; }
.footer-brand p { font-size: .84rem; color: rgba(255,255,255,.38); line-height: 1.7; max-width: 270px; margin-bottom: 22px; }
.footer-social { display: flex; gap: 8px; }
.fsoc {
  width: 32px; height: 32px;
  border: 1px solid rgba(255,255,255,.1); border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--t), background var(--t);
}
.fsoc:hover { border-color: var(--orange); background: var(--orange); }
.fsoc svg { width: 13px; height: 13px; fill: rgba(255,255,255,.55); }
.fsoc:hover svg { fill: #fff; }
.footer-col h4 {
  font-size: .65rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.25); margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: .84rem; color: rgba(255,255,255,.5); transition: color var(--t); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .73rem; color: rgba(255,255,255,.22); gap: 16px;
}
.footer-bottom a { color: rgba(255,255,255,.35); transition: color var(--t); }
.footer-bottom a:hover { color: #fff; }

/* ── WHATSAPP ── */
.wa-btn {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  width: 50px; height: 50px;
  background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.4);
  transition: transform var(--t), box-shadow var(--t);
}
.wa-btn:hover { transform: scale(1.09); box-shadow: 0 6px 24px rgba(37,211,102,.55); }
.wa-btn svg { width: 24px; height: 24px; fill: #fff; }

/* ── RESPONSIVO ── */
@media (max-width: 1024px) {
  .dif-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  section { padding: 64px 0; }
  .container { padding: 0 20px; }
  .nav-links { display: none; position: fixed; top: 70px; left: 0; right: 0; flex-direction: column; background: #fff; padding: 16px 20px; border-top: 1px solid var(--border); box-shadow: var(--shadow); z-index: 999; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .hero-block, .hero-block-2, .hero-line { display: none; }
  .hero-inner { padding: 48px 0 64px; }
  .sobre-grid, .sol-layout, .livros-layout, .contato-layout { grid-template-columns: 1fr; gap: 40px; }
  .equipe-grid { grid-template-columns: 1fr; gap: 16px; }
  .equipe-card { flex-direction: column; }
  .equipe-photo { width: 100%; height: 160px; }
  .palestras-grid, .artigos-grid { grid-template-columns: 1fr; border: none; gap: 16px; }
  .pal-card { border: 1px solid var(--border); border-radius: var(--r-lg); border-right: 1px solid var(--border) !important; }
  .dif-grid { grid-template-columns: 1fr 1fr; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .sol-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .dif-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
}