/* ============================================
   EletroFAST — Landing Page de Captura
   Identidade visual: azul-marinho, azul, azul elétrico, laranja
   ============================================ */

:root{
  --navy: #031C3A;
  --navy-deep: #021226;
  --blue: #005EB8;
  --blue-soft: #0A2E5C;
  --electric-blue: #0085FF;
  --orange: #FF7315;
  --orange-dark: #E25F08;
  --white: #FFFFFF;
  --light-gray: #F4F7FA;
  --text-muted: #B9CBE3;
  --text-muted-on-blue: #CFE0F5;
  --border-soft: rgba(255, 255, 255, 0.16);

  --font-title: 'Sora', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.32);
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--white);
  background: var(--navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3{
  font-family: var(--font-title);
  color: var(--white);
  margin: 0;
  line-height: 1.2;
}

p{ margin: 0; }

a{ color: inherit; text-decoration: none; }

img{ max-width: 100%; display: block; }

.container{
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Botões ===== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 16px 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-align: center;
  min-height: 52px;
}

.btn-primary{
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(255, 115, 21, 0.35);
}

.btn-primary:hover, .btn-primary:focus-visible{
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 115, 21, 0.45);
}

.btn-large{
  width: 100%;
  font-size: 1rem;
  padding: 18px 28px;
}

.btn-header{
  display: none;
  padding: 10px 18px;
  font-size: 0.82rem;
  min-height: 40px;
}

.btn:focus-visible{
  outline: 3px solid var(--electric-blue);
  outline-offset: 2px;
}

/* ===== Header ===== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(3, 28, 58, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}

.header-logo img{
  height: 34px;
}

/* ===== Hero ===== */
.hero{
  position: relative;
  background: linear-gradient(160deg, var(--navy) 0%, var(--blue-soft) 60%, var(--blue) 100%);
  padding: 48px 0 56px;
  overflow: hidden;
}

.ecg-line-decor{
  position: absolute;
  top: -10px;
  left: 0;
  width: 100%;
  height: 90px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 100' preserveAspectRatio='none'%3E%3Cpath d='M0 50 H180 L200 50 L215 20 L230 85 L245 50 L260 50 L275 35 L290 50 H800' fill='none' stroke='%23FFFFFF' stroke-width='2' opacity='0.14'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 800px 100px;
  pointer-events: none;
  z-index: 0;
}

.hero-grid{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.hero-content{ order: 1; }

.eyebrow{
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: 14px;
}

.hero-content h1{
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--white);
}

.hero-subtitle{
  font-size: 1.05rem;
  color: var(--white);
  margin-bottom: 14px;
  font-weight: 500;
}

.hero-complement{
  font-size: 0.98rem;
  color: var(--text-muted-on-blue);
  margin-bottom: 22px;
}

.hero-badges{
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-badges li{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.hero-badges i{
  color: var(--electric-blue);
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

.hero-cta{
  display: inline-flex;
  width: 100%;
}

.hero-micro{
  margin-top: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted-on-blue);
  text-align: center;
}

/* ===== Seções genéricas ===== */
.section{
  padding: 56px 0;
}

.section-title{
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.section-title.center{ text-align: center; }
.section-title.light{ color: var(--white); }

.section-text{
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 680px;
}

.section-text.center{ margin: 0 auto 36px; text-align: center; }
.section-text.light{ color: #C9D6E8; }

.center-cta{
  margin-top: 36px;
  display: flex;
  justify-content: center;
}

.center-cta .btn{ width: auto; min-width: 260px; }

/* ===== Seção Problema ===== */
.section-problem{ background: var(--blue-soft); }

.problem-cards{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.problem-card{
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  border: 1px solid var(--border-soft);
}

.problem-card i{
  font-size: 1.6rem;
  color: var(--electric-blue);
  margin-bottom: 14px;
}

.problem-card p{
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--white);
}

/* ===== Seção Método ===== */
.section-method{
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.method-steps{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 8px;
}

.method-step{
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 24px 22px;
}

.method-number{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  font-family: var(--font-title);
  font-weight: 800;
  margin-bottom: 14px;
}

.method-step h3{
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.method-step p{
  color: #C9D6E8;
  font-size: 0.92rem;
}

/* ===== Seção Conteúdo ===== */
.section-content{ background: var(--navy); }

.modules-list{
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modules-list li{
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--white);
}

.module-index{
  font-family: var(--font-title);
  font-weight: 800;
  color: var(--orange);
  font-size: 0.95rem;
  min-width: 30px;
}

.content-complement{
  margin-top: 28px;
  font-style: italic;
}

/* ===== Seção Professores ===== */
.section-teachers{ background: var(--blue-soft); }

.teachers-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.teacher-card{
  text-align: center;
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  border: 1px solid var(--border-soft);
}

.teacher-card img{
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  margin: 0 auto 16px;
  border: 3px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-card);
}

/* Ajuste fino do enquadramento de cada foto, para centralizar o rosto no recorte circular */
.teacher-photo-rodrigo{ object-position: center 25%; }
.teacher-photo-karen{ object-position: center 20%; }
.teacher-photo-mateus{ object-position: center 22%; }
.teacher-photo-gabriel{ object-position: center 22%; }

.teacher-card h3{
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--white);
}

.teacher-card p{
  font-size: 0.88rem;
  color: var(--text-muted-on-blue);
}

/* ===== Seção FAQ ===== */
.section-faq{ background: var(--navy); }

.faq-list{
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item{
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 4px 18px;
}

.faq-item summary{
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.98rem;
  padding: 16px 0;
  cursor: pointer;
  color: var(--white);
  list-style: none;
  position: relative;
  padding-right: 28px;
}

.faq-item summary::-webkit-details-marker{ display: none; }

.faq-item summary::after{
  content: '+';
  position: absolute;
  right: 0;
  top: 14px;
  font-size: 1.3rem;
  color: var(--orange);
  font-weight: 700;
}

.faq-item[open] summary::after{ content: '−'; }

.faq-item p{
  color: var(--text-muted-on-blue);
  font-size: 0.92rem;
  padding-bottom: 18px;
}

/* ===== Chamada Final ===== */
.section-final-cta{
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.ecg-line-decor-alt{
  top: auto;
  bottom: -10px;
  opacity: 0.5;
}

.center-content{
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.section-final-cta .btn{ width: auto; min-width: 280px; }

/* ===== Rodapé ===== */
.site-footer{
  background: var(--navy);
  color: #9FB3CC;
  padding: 40px 0 28px;
}

.footer-inner{
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.footer-logo{
  height: 40px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-name{
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
}

.footer-links{
  display: flex;
  gap: 18px;
}

.footer-links a{
  font-size: 0.85rem;
  text-decoration: underline;
  color: #C9D6E8;
}

.footer-disclaimer{
  max-width: 560px;
  font-size: 0.78rem;
  color: #7E93AF;
  line-height: 1.5;
}

.footer-copy{
  font-size: 0.78rem;
  color: #7E93AF;
}

/* ============================================
   RESPONSIVO — Desktop (>= 960px)
   ============================================ */
@media (min-width: 960px){
  .btn-header{ display: inline-flex; }

  .hero{ padding: 88px 0 100px; }

  .hero-grid{
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-content h1{ font-size: 3rem; }
  .hero-subtitle{ font-size: 1.25rem; }
  .hero-complement{ font-size: 1.05rem; }

  .hero-badges{
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-badges li{ flex: 1 1 auto; }

  .hero-cta{
    display: inline-flex;
    width: auto;
    min-width: 300px;
  }

  .section{ padding: 88px 0; }

  .section-title{ font-size: 2.1rem; }

  .problem-cards{ grid-template-columns: repeat(3, 1fr); }

  .method-steps{ grid-template-columns: repeat(4, 1fr); gap: 24px; }

  .teachers-grid{ grid-template-columns: repeat(4, 1fr); }

  .modules-list{ max-width: 780px; }
}

@media (min-width: 640px) and (max-width: 959px){
  .hero-content h1{ font-size: 2.3rem; }

  .problem-cards{ grid-template-columns: repeat(3, 1fr); }

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

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

/* Garante leitura mínima no celular, e formulário logo após o texto sem rolagem extensa */
@media (max-width: 639px){
  .hero-content h1{ font-size: 1.7rem; }
  .hero-subtitle{ font-size: 1rem; }
  .section-title{ font-size: 1.35rem; }
  .container{ padding: 0 18px; }
}

/* Acessibilidade: foco visível em elementos interativos */
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible{
  outline: 3px solid var(--electric-blue);
  outline-offset: 2px;
}