/* Matemática ao Máximo — landing de vendas */

:root {
  --cor-destaque: #16a34a;
  --gradiente-hero: radial-gradient(60% 60% at 70% 30%, rgba(79, 70, 229, 0.16), transparent 70%);
}
:root[data-tema="escuro"] {
  --gradiente-hero: radial-gradient(60% 60% at 70% 30%, rgba(99, 102, 241, 0.22), transparent 70%);
}

.landing { max-width: 1040px; margin: 0 auto; padding: 0 20px 80px; }

.landing__nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0;
}
.landing__marca { font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em; }

.landing__hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  padding: 32px 0 44px;
  overflow: visible;
}
.landing__hero::before {
  content: '';
  position: absolute;
  inset: -40px -20px;
  background: var(--gradiente-hero);
  z-index: -1;
  border-radius: 32px;
}
.landing__hero-conteudo { text-align: left; }
.landing__selo {
  display: inline-flex; align-items: center; gap: 6px;
  background: color-mix(in srgb, var(--cor-primaria) 12%, transparent);
  color: var(--cor-primaria);
  font-size: 0.78rem; font-weight: 700;
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 16px;
}
:root[data-tema="escuro"] .landing__selo { background: color-mix(in srgb, var(--cor-primaria) 28%, transparent); }

.landing__hero h1 {
  font-size: clamp(1.9rem, 4.2vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.landing__hero-conteudo p {
  color: var(--cor-texto-suave);
  font-size: 1.08rem;
  line-height: 1.6;
  max-width: 520px;
  margin: 0 0 28px;
}
.landing__cta-area { display: flex; gap: 12px; flex-wrap: wrap; }
.landing__cta-area .btn { padding: 0.9em 1.7em; font-size: 1rem; box-shadow: var(--sombra); }
.landing__cta-area .btn--primary { box-shadow: 0 8px 20px -6px color-mix(in srgb, var(--cor-primaria) 60%, transparent); }

.landing__hero-foto {
  position: relative;
  display: flex;
  justify-content: center;
}
.landing__hero-foto::before {
  content: '';
  position: absolute;
  width: 84%; height: 92%;
  background: linear-gradient(160deg, var(--cor-primaria), var(--cor-destaque));
  border-radius: 28px;
  transform: rotate(-4deg);
  opacity: 0.16;
  z-index: 0;
}
.landing__hero-foto img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 24px 48px -20px rgba(15, 23, 42, 0.35);
  object-fit: cover;
}

@media (max-width: 760px) {
  .landing__hero { grid-template-columns: 1fr; text-align: center; padding-top: 12px; }
  .landing__hero-conteudo { text-align: center; }
  .landing__hero-conteudo p { margin-left: auto; margin-right: auto; }
  .landing__cta-area { justify-content: center; }
  .landing__hero-foto { order: -1; margin-bottom: 8px; }
  .landing__hero-foto img { max-width: 220px; }
}

.landing__secao { padding: 52px 0; border-top: 1px solid var(--cor-borda); }
.landing__secao h2 { font-size: 1.6rem; letter-spacing: -0.01em; margin: 0 0 10px; text-align: center; }
.landing__secao > p.subtitulo {
  text-align: center; color: var(--cor-texto-suave); max-width: 560px; margin: 0 auto 32px;
}

.landing__dor {
  background: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  box-shadow: var(--sombra);
  padding: 26px;
  margin-top: 10px;
}
.landing__dor ul { margin: 10px 0 0; padding-left: 20px; color: var(--cor-texto-suave); }
.landing__dor li { margin-bottom: 8px; line-height: 1.5; }

.grid-passos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.passo {
  background: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  box-shadow: var(--sombra);
  padding: 22px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.passo:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -12px rgba(15, 23, 42, 0.2); }
.passo__numero {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cor-primaria), var(--cor-primaria-escura));
  color: #fff; font-weight: 700; font-size: 0.88rem;
  margin-bottom: 12px;
}
.passo h3 { margin: 0 0 6px; font-size: 1.02rem; }
.passo p { margin: 0; color: var(--cor-texto-suave); font-size: 0.92rem; line-height: 1.5; }

/* --- Sobre o Gigante (autoridade) --- */
.landing__autoridade {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
  background: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: 20px;
  box-shadow: var(--sombra);
  padding: 28px;
}
.landing__autoridade-foto {
  width: 130px; height: 130px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--cor-primaria);
  flex-shrink: 0;
  box-shadow: 0 10px 24px -10px color-mix(in srgb, var(--cor-primaria) 50%, transparent);
}
.landing__autoridade-foto img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.landing__autoridade h3 { margin: 0 0 4px; font-size: 1.15rem; }
.landing__autoridade .cargo { color: var(--cor-primaria); font-weight: 600; font-size: 0.9rem; margin: 0 0 10px; }
.landing__autoridade p.bio { color: var(--cor-texto-suave); font-size: 0.95rem; line-height: 1.55; margin: 0 0 14px; }
.landing__autoridade-links { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.85rem; }
.landing__autoridade-links a { color: var(--cor-primaria); text-decoration: none; font-weight: 600; }
.landing__autoridade-links a:hover { text-decoration: underline; }

@media (max-width: 560px) {
  .landing__autoridade { grid-template-columns: 1fr; text-align: center; }
  .landing__autoridade-foto { margin: 0 auto; }
  .landing__autoridade-links { justify-content: center; }
}

.landing__precos { display: flex; justify-content: center; flex-wrap: wrap; gap: 22px; }
.landing__precos .plano-card { max-width: 300px; width: 100%; padding: 26px; box-shadow: var(--sombra); position: relative; }
.landing__precos .plano-card .preco { font-size: 2.1rem; }
.plano-card--destaque { border: 2px solid var(--cor-primaria); }
.plano-card__selo {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--cor-primaria); color: #fff;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.02em;
  padding: 4px 12px; border-radius: 999px; white-space: nowrap;
}

.landing__garantia {
  text-align: center; max-width: 560px; margin: 0 auto;
  background: var(--cor-superficie); border: 1px solid var(--cor-borda);
  border-radius: var(--raio); box-shadow: var(--sombra); padding: 26px;
}

.landing__faq details {
  border-bottom: 1px solid var(--cor-borda);
  padding: 16px 0;
}
.landing__faq summary {
  cursor: pointer; font-weight: 600; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.landing__faq summary::-webkit-details-marker { display: none; }
.landing__faq summary::after { content: '+'; color: var(--cor-primaria); font-size: 1.2rem; }
.landing__faq details[open] summary::after { content: '−'; }
.landing__faq p { color: var(--cor-texto-suave); margin: 10px 0 0; font-size: 0.92rem; line-height: 1.55; }

.landing__rodape {
  text-align: center; color: var(--cor-texto-suave); font-size: 0.8rem;
  padding-top: 44px;
}