/* ============================================================
   LAYOUT.CSS — 100dicas.com.br
   Header, Hero, Seções, Footer, Responsividade
   ============================================================ */

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(0, 40, 100, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--borda);
  z-index: 1000;
  transition: background var(--transicao);
}
.site-header.fixo {
  background: rgba(0, 28, 76, 0.97);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  line-height: 1;
}
.logo span {
  display: flex;
  flex-direction: column;
}
.logo-sup {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--texto-suave);
  line-height: 1;
}
.logo-nome {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--texto);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--texto-suave);
  transition: color var(--transicao);
  position: relative;
}
.site-nav a:not(.btn-nav)::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--ouro);
  border-radius: var(--raio-pill);
  transition: width var(--transicao);
}
.site-nav a:not(.btn-nav):hover,
.site-nav a.ativo {
  color: var(--texto);
}
.site-nav a:not(.btn-nav):hover::after,
.site-nav a.ativo::after {
  width: 100%;
}

/* Menu hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--texto);
  border-radius: var(--raio-pill);
  transition: all var(--transicao);
}
.menu-toggle.aberto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.aberto span:nth-child(2) { opacity: 0; }
.menu-toggle.aberto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 75% 35%, rgba(26,101,214,0.4) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 15% 75%, rgba(0,47,122,0.6) 0%, transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100px;
  background: linear-gradient(transparent, var(--azul));
  pointer-events: none;
}

.hero-conteudo {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 6rem 2rem 5rem;
  margin: 0 auto 0 calc((100vw - var(--max-width)) / 2 + 2rem);
}

.hero-conteudo .label-badge {
  margin-bottom: 1.5rem;
}

.hero-conteudo h1 {
  margin-bottom: 1.25rem;
}

.hero-descricao {
  font-size: 1.05rem;
  color: var(--texto-suave);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-acoes {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--borda);
}

.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-valor {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ouro);
  line-height: 1;
}
.stat-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--texto-suave);
}

/* ── Seções ──────────────────────────────────────────────── */
.secao-clara {
  background: var(--azul-escuro);
  padding: 6rem 0;
}
.secao-escura {
  background: rgba(0,20,60,0.5);
  padding: 6rem 0;
}

.secao-titulo {
  text-align: center;
  margin-bottom: 3.5rem;
}
.secao-titulo p { margin-top: 0.5rem; }

/* ── Grid livro ──────────────────────────────────────────── */
.grid-livro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.grid-livro.inverso { direction: rtl; }
.grid-livro.inverso > * { direction: ltr; }

.livro-texto { display: flex; flex-direction: column; gap: 1rem; }
.livro-texto p { font-size: 0.95rem; }

.livro-imagem-wrap {
  position: relative;
}
.livro-imagem-wrap img {
  width: 100%;
  border-radius: var(--raio-lg);
  box-shadow: var(--sombra);
}
.livro-imagem-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--card-bg);
  border: 1px solid var(--borda);
  border-radius: var(--raio-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--texto-suave);
  font-size: 0.875rem;
}
.livro-imagem-placeholder svg {
  width: 48px; height: 48px;
  opacity: 0.4;
}

/* ── Cards grid ──────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card-numero {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #1a5fa8;
  opacity: 1;
  margin-bottom: 1rem;
}
.card-icone-svg {
  width: 36px; height: 36px;
  color: #1a5fa8;
  stroke: #1a5fa8;
  margin-bottom: 1rem;
  opacity: 1;
}
.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  color: #1a3a5c;
}
.card p { font-size: 0.9rem; color: #2c5282; }

/* ── Ranking ─────────────────────────────────────────────── */
.ranking-lista {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.ranking-item {
  display: grid;
  grid-template-columns: 40px 1fr 200px;
  align-items: center;
  gap: 1.25rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(240,244,255,0.15);
  border-radius: var(--raio-md);
  padding: 1rem 1.5rem;
  transition: background var(--transicao);
}
.ranking-item:hover { background: rgba(255,255,255,0.13); }
.ranking-pos {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(240,244,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #B8CAED;
  flex-shrink: 0;
}
.ranking-pos.top {
  background: rgba(255,215,0,0.15);
  border-color: rgba(255,215,0,0.4);
  color: var(--ouro);
}
.ranking-info { display: flex; flex-direction: column; gap: 2px; }
.ranking-info strong { font-size: 0.95rem; color: #F0F4FF; }
.ranking-info span  { font-size: 0.78rem; color: #B8CAED; }
.ranking-barra-wrap {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--raio-pill);
  overflow: hidden;
}
.ranking-barra {
  height: 100%;
  background: linear-gradient(90deg, var(--ouro), #FFA500);
  border-radius: var(--raio-pill);
}

/* ── LinkedIn CTA ────────────────────────────────────────── */
.linkedin-cta {
  background: var(--azul-escuro);
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.linkedin-cta::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 0%, rgba(26,101,214,0.3) 0%, transparent 70%);
  pointer-events: none;
}

.btn-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #0A66C2;
  color: #fff;
  padding: 0.9rem 2.2rem;
  border-radius: var(--raio-pill);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transicao);
  box-shadow: 0 4px 18px rgba(10,102,194,0.4);
}
.btn-linkedin:hover {
  background: #004d99;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(10,102,194,0.5);
}
.btn-linkedin svg { width: 20px; height: 20px; }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  background: var(--azul-escuro);
  border-top: 1px solid var(--borda);
  padding: 4rem 0 2rem;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}
.footer-topo {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}
.footer-marca p {
  font-size: 0.875rem;
  color: var(--texto-suave);
  margin-top: 1rem;
  max-width: 280px;
  line-height: 1.7;
}
.footer-nav-grupo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--texto-suave);
  margin-bottom: 1.25rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col a {
  font-size: 0.875rem;
  color: var(--texto-suave);
  transition: color var(--transicao);
}
.footer-col a:hover { color: var(--texto); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--borda);
  font-size: 0.8rem;
  color: var(--texto-suave);
}

/* ── Responsividade ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-conteudo { margin-left: 2rem; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .site-nav { display: none; }
  .menu-toggle { display: flex; }
  .site-nav.aberto {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(0,28,76,0.98);
    padding: 1.5rem 2rem 2rem;
    border-bottom: 1px solid var(--borda);
    gap: 1.25rem;
    z-index: 999;
  }
  .site-nav.aberto a { font-size: 1rem; }

  .hero-conteudo { margin-left: 0; padding: 5rem 1.25rem 4rem; }
  .hero-stats    { gap: 1.5rem; }
  .grid-livro    { grid-template-columns: 1fr; gap: 2.5rem; }
  .grid-livro.inverso { direction: ltr; }
  .cards-grid    { grid-template-columns: 1fr; }
  .ranking-item  { grid-template-columns: 36px 1fr; }
  .ranking-barra-wrap { display: none; }
  .footer-topo   { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-nav-grupo { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .secao-clara, .secao-escura { padding: 4rem 0; }
}

@media (max-width: 480px) {
  .hero-acoes { flex-direction: column; align-items: flex-start; }
  .hero-acoes .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-wrap: wrap; gap: 1.25rem; }
  .footer-nav-grupo { grid-template-columns: 1fr; }
}