:root {
  --bg: #0f0f0f;
  --bg2: #141414;
  --yellow: #d6a300;
  --text: #ffffff;
  --muted: #cfcfcf;
  --font-step--2: clamp(0.78rem, calc(0.78rem + 0.13vw), 0.84rem);
    --font-step--1: clamp(0.94rem, calc(0.79rem + 0.38vw), 1.13rem);
    --font-step-0: clamp(1.13rem, calc(0.83rem + 0.75vw), 1.5rem);
    --font-step-1: clamp(1.13rem, calc(0.83rem + 1.3vw), 2rem);
    --font-step-2: clamp(1.62rem, calc(0.78rem + 2.09vw), 2.67rem);
    --font-step-3: clamp(1.94rem, calc(0.66rem + 3.22vw), 3.55rem);
    --font-step-4: clamp(2.33rem, calc(0.41rem + 4.81vw), 4.74rem);
    --font-step-5: clamp(2.8rem, calc(-0.01rem + 7.03vw), 6.31rem);
    --font-step-6: clamp(1.7rem, calc(-0.66rem + 6.22vw), 6.55rem);

}


html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Open Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* ================= HERO ================= */
.hero {
  position: relative;
  height: 90vh;

  background: url('../_imagens/index.jpg') center/cover no-repeat;

  display: flex;
  align-items: center;
  justify-content: center;
   padding-left: 0px;
}

/* camada escura por cima da imagem */
.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
   /* controla transparência */
}

/* conteúdo acima da imagem */
.hero-content {
  position: relative;
  color: white;
  text-align: center;
 
}

.hero h1 {
  font-size: var(--font-step-6);
  color: var(--yellow);
  font-weight: bold;
}

.hero p {
  color: var(--muted);
  font-size: var(--font-step-1);
  font-weight: bold;
}
.hero h3 {
  color: var(--muted);
  font-size: var(--font-step--1);
  margin-top: 15px;
  margin-bottom: 15px;
}

.hero-buttons {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  justify-content: center;
  padding: 10px 20px;
}

/* ================= BOTÕES ================= */
.btn-primary {
  background: var(--yellow);
  color: #000;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;

}
.btn-contato {
  background: var(--yellow);
  color: #000;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;

}


.btn-secondary {
  border: 2px solid var(--yellow);
  color: var(--yellow);
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
}

/* ================= SEÇÕES ================= */
.section {
  
  padding: 80px 20px;
  text-align: center;
  background: var(--bg2);
}

.section h2 {
  color: var(--yellow);
  font-size: var(--font-step-3);
}
.section p {
  
  font-size: var(--font-step-1);
}

/* fundo escuro alternado */
.dark {
  background: #0f0f0f;
}

/* ================= SERVIÇOS ================= */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
}

.card {
  background: #3b3a3a;
   padding: 30px 20px;
  border-radius: 12px;

  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;

  min-height: 220px;

  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  transition: all 0.3s ease;

  position: relative;
  overflow: hidden;
  border-top: 3px solid var(--yellow);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--yellow);
}

/* ÍCONE */
.icon {
  font-size: 40px;
  margin-bottom: 15px;
}

/* TITULO */
.card h3 {
  margin-bottom: 10px;
  font-size: var(--font-step-2);
  font-weight: bold;
}

/* TEXTO */
.card p {
  font-size: var(--font-step-1);
  color: #555;
}

/* HOVER PROFISSIONAL */
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 25px rgba(0,0,0,0.15);
}

/* ================= CONTATO ================= */
.contact {
  background: #0f0f0f;
  border-top: 3px solid var(--yellow);
  margin-bottom: 80px;
}
.section {
  padding: 80px 20px;
  text-align: center;
}

.section p {
  margin-top: 10px;
  margin-bottom: 20px;
  color: #cfcfcf;
}
/* ================= GALERIA ================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 10px;
}

.gallery-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  transition: 0.3s;
}

.gallery-grid img:hover {
  transform: scale(1.05);
}
/* ================= SETA ================= */
.content-seta{
position: relative;
display: none;
}
.seta1 {
  width: 35px;
  height: 35px;
  border-left: 3px solid var(--yellow);
  border-bottom: 3px solid var(--yellow);
  transform: rotate(135deg);
  margin: -10px auto 0;
}
.up {
  position: absolute;
  color: var(--yellow);
  font-size: var(--font-step-2);
  text-align: center;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
}

/*==================== FOOTER========================== */
footer {
  background: #0f0f0f;
  color: var(--text);
  text-align: center;
  padding: 20px;
  border-top: 3px solid var(--yellow);
}
/*==================== mobile========================== */

@media (max-width: 768px) {

  .hero h1 {
  font-size: 60px;
  color: var(--yellow);
  font-weight: bold;
}
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons a {
    width: 80%;
    text-align: center;
  }
    .card {
    min-height: 200px;
  }
  .content-seta {
    display: block;
    cursor: pointer;
    margin-top: 20px;
  }
}