/* =========================
   ARTIGO PREMIUM - ANÁLISE DE DEMANDA
========================= */

* {
  box-sizing: border-box;
}

body {
  background: #ffffff;
}

.btn-voltar-home {
  position: fixed;
  top: 22px;
  left: 22px;
  z-index: 999;
  background: rgba(7, 21, 47, .9);
  color: #ffffff;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.18);
}

.btn-voltar-home:hover {
  background: #f6c453;
  color: #07152f;
}

.hero-artigo-premium {
  position: relative;
  min-height: 100vh;
  background:
    linear-gradient(rgba(5, 14, 32, .84), rgba(5, 14, 32, .94)),
    url("../assets/img/IMG01.png");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  padding: 140px 20px 90px;
  color: #ffffff;
}

.hero-artigo-content {
  position: relative;
  z-index: 2;
}

.tag-artigo,
.section-tag {
  display: inline-block;
  color: #f6c453;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-size: .85rem;
  margin-bottom: 18px;
}

.hero-artigo-premium h1 {
  max-width: 1050px;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 1.05;
  margin-bottom: 24px;
  color: #ffffff;
}

.hero-artigo-premium p {
  max-width: 820px;
  font-size: 1.2rem;
  line-height: 1.8;
  color: #dce4f2;
  margin-bottom: 30px;
}

.hero-artigo-selos {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.hero-artigo-selos span {
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  color: #ffffff;
}

.hero-artigo-selos i {
  color: #f6c453;
  margin-right: 6px;
}

.hero-artigo-botoes {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-artigo-principal,
.btn-artigo-secundario {
  text-decoration: none;
  border-radius: 999px;
  font-weight: 900;
  padding: 15px 28px;
  transition: .3s ease;
}

.btn-artigo-principal {
  background: #25D366;
  color: #ffffff;
}

.btn-artigo-secundario {
  border: 1px solid rgba(255,255,255,.55);
  color: #ffffff;
}

.btn-artigo-principal:hover,
.btn-artigo-secundario:hover {
  transform: translateY(-3px);
}

/* RESUMO */

.resumo-executivo {
  padding: 100px 20px;
  background: #f8f9fc;
}

.resumo-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 60px;
  align-items: center;
}

.resumo-executivo h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: #0A1F44;
  line-height: 1.15;
  margin-bottom: 24px;
}

.resumo-executivo p {
  color: #4d5b72;
  line-height: 1.9;
  font-size: 1.08rem;
  margin-bottom: 18px;
}

.box-economia-premium {
  background: #ffffff;
  border-radius: 28px;
  padding: 36px;
  box-shadow: 0 25px 70px rgba(10,31,68,.12);
  border: 1px solid #e8edf5;
}

.box-economia-premium h3 {
  color: #0A1F44;
  font-size: 1.6rem;
  margin-bottom: 22px;
}

.box-economia-premium ul {
  list-style: none;
  padding: 0;
  margin-bottom: 26px;
}

.box-economia-premium li {
  margin-bottom: 14px;
  color: #24324b;
  font-weight: 700;
}

.box-economia-premium i {
  color: #f6c453;
  margin-right: 8px;
}

.box-economia-premium a {
  display: inline-block;
  background: #f6c453;
  color: #0A1F44;
  text-decoration: none;
  font-weight: 900;
  padding: 14px 24px;
  border-radius: 999px;
}

/* ÍNDICE */

.indice-artigo {
  padding: 80px 20px;
  background: #07152f;
  color: #ffffff;
}

.indice-artigo h2 {
  text-align: center;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 40px;
}

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

.grid-indice a {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  padding: 18px;
  border-radius: 18px;
  text-decoration: none;
  color: #ffffff;
  font-weight: 800;
  transition: .3s ease;
}

.grid-indice a:hover {
  transform: translateY(-5px);
  border-color: rgba(246,196,83,.45);
  color: #f6c453;
}

/* CONTEÚDO */

.conteudo-artigo {
  padding: 100px 20px;
  background: #ffffff;
}

.artigo-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 60px;
  align-items: start;
}

.conteudo-artigo article {
  max-width: 840px;
}

.conteudo-artigo h2 {
  color: #0A1F44;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
  margin: 55px 0 22px;
}

.conteudo-artigo h2:first-child {
  margin-top: 0;
}

.conteudo-artigo h3 {
  color: #0A1F44;
  font-size: 1.35rem;
  margin: 34px 0 14px;
}

.conteudo-artigo p {
  color: #4d5b72;
  line-height: 1.95;
  font-size: 1.06rem;
  margin-bottom: 18px;
}

.box-tecnico {
  background: #f8f9fc;
  border-left: 5px solid #f6c453;
  border-radius: 18px;
  padding: 26px;
  margin: 32px 0;
}

.box-tecnico h3 {
  margin-top: 0;
}

.comparativo-tarifas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 34px 0;
}

.comparativo-tarifas div {
  background: #f8f9fc;
  border: 1px solid #e8edf5;
  padding: 28px;
  border-radius: 22px;
}

.passos-analise {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin: 34px 0;
}

.passos-analise div {
  background: #07152f;
  color: #ffffff;
  padding: 28px;
  border-radius: 22px;
}

.passos-analise span {
  color: #f6c453;
  font-size: 2rem;
  font-weight: 900;
}

.passos-analise h3 {
  color: #ffffff;
}

.passos-analise p {
  color: #dce4f2;
}

.case-premium {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 34px 0;
}

.case-premium div {
  background: #07152f;
  color: #ffffff;
  border-radius: 22px;
  padding: 30px 22px;
  text-align: center;
}

.case-premium strong {
  display: block;
  color: #f6c453;
  font-size: 2rem;
  margin-bottom: 10px;
}

.segmentos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 34px 0;
}

.segmentos-grid div {
  background: #f8f9fc;
  border: 1px solid #e8edf5;
  border-radius: 20px;
  padding: 24px;
}

.faq-artigo details {
  background: #f8f9fc;
  border: 1px solid #e8edf5;
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 14px;
}

.faq-artigo summary {
  cursor: pointer;
  color: #0A1F44;
  font-weight: 900;
}

/* SIDEBAR */

.sidebar-artigo {
  position: sticky;
  top: 110px;
}

.sidebar-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 25px 70px rgba(10,31,68,.12);
  border: 1px solid #e8edf5;
  margin-bottom: 24px;
}

.sidebar-card h3 {
  color: #0A1F44;
  margin-bottom: 14px;
}

.sidebar-card p,
.sidebar-card li {
  color: #4d5b72;
  line-height: 1.8;
}

.sidebar-card a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #ffffff;
  text-decoration: none;
  font-weight: 900;
  padding: 13px 20px;
  border-radius: 999px;
  margin-top: 18px;
}

.sidebar-card.escuro {
  background: #07152f;
  color: #ffffff;
}

.sidebar-card.escuro h3,
.sidebar-card.escuro li {
  color: #ffffff;
}

/* CTA FINAL */

.cta-final-artigo {
  padding: 110px 20px;
  background: #07152f;
  color: #ffffff;
  text-align: center;
}

.cta-final-artigo h2 {
  max-width: 900px;
  margin: 0 auto 22px;
  color: #ffffff;
  font-size: clamp(2.1rem, 4vw, 3.5rem);
  line-height: 1.12;
}

.cta-final-artigo p {
  max-width: 760px;
  margin: 0 auto 34px;
  color: #dce4f2;
  line-height: 1.8;
  font-size: 1.08rem;
}

.cta-final-artigo a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #ffffff;
  text-decoration: none;
  font-weight: 900;
  padding: 16px 28px;
  border-radius: 999px;
  transition: .3s ease;
}

.cta-final-artigo a:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 38px rgba(37,211,102,.28);
}

/* RESPONSIVO */

@media (max-width: 1050px) {
  .resumo-grid,
  .artigo-wrapper {
    grid-template-columns: 1fr;
  }

  .sidebar-artigo {
    position: static;
  }

  .grid-indice {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .hero-artigo-premium {
    min-height: auto;
    padding-top: 120px;
  }

  .hero-artigo-premium h1 {
    font-size: 2.2rem;
  }

  .hero-artigo-botoes a {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .grid-indice,
  .comparativo-tarifas,
  .passos-analise,
  .case-premium,
  .segmentos-grid {
    grid-template-columns: 1fr;
  }

  .btn-voltar-home {
    position: absolute;
  }
}