* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #fff;
  min-height: 100vh;
  background: #333333; 
  background: -webkit-linear-gradient(to bottom, #dd1818, #333333);
  background: linear-gradient(to bottom, #e75b5b, #333333);
  position: relative;
  overflow-x: hidden; 
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}
.container {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}
.card {
  background: rgba(82, 32, 32, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  max-width: 700px;
  width: 90%;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 215, 0, 0.15);
  text-align: center;
  position: relative;
  z-index: 3;
  margin: 2rem auto;
}

.card h1 {
  font-size: 3.2rem;
  margin-bottom: 1rem;
  text-shadow: 0 4px 12px rgba(0,0,0,0.8);
}
.card .slogan {
  font-size: 1.4rem;
  opacity: 0.95;
  margin: 0;
}
h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 4px 12px rgba(0,0,0,0.7);
  letter-spacing: 2px;
}
.slogan {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 2.5rem;
  opacity: 0.95;
  max-width: 700px;
}
.info {
  font-size: 1.3rem;
  margin: 1rem 0;
  line-height: 1.6;
}
.cta {
  margin-top: 2.5rem;
}
.btn {
  display: inline-block;
  background: linear-gradient(135deg, #D4AF37, #FFD700);
  color: #1a0000;
  font-size: 1.4rem;
  font-weight: bold;
  padding: 1rem 2.8rem;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
  transition: all 0.3s ease;
}
.btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(212, 175, 55, 0.7);
}
.social {
  margin-top: 3rem;
  font-size: 1.2rem;
}
.social a {
  color: #FFD700;
  text-decoration: none;
  margin: 0 1.5rem;
  transition: color 0.3s;
}
.social a:hover {
  color: #fff;
}

/* Logo */
.fixed-logo {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1100;
  transition: top 0.4s ease, left 0.4s ease;
}
body.scrolled .fixed-logo {
  top: 0.5rem;
  left: 0.8rem;
}
.fixed-logo .logoimg {
  height: 140px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.5));
  border-radius: 16px;
  transition: all 0.4s ease;
  display: block;
  margin: 0;
  padding: 0;
  border: none;
}
body.scrolled .fixed-logo .logoimg {
  height: 55px;
  max-width: 140px;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,0.4));
  border-radius: 12px;
}
.logo-link {
  display: block;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s ease;
}
.logo-link:hover {
  transform: scale(1.05);
}
.logo-link:active {
  transform: scale(0.98);
}

/* Header com mais itens */
header {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  border-radius: 9999px;
  padding: 0.55rem 1.6rem;
  min-width: 300px;
  max-width: 94vw;
  background: rgba(139, 0, 0, 0.25);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 215, 0, 0.12);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  transition: all 0.3s ease;
  flex-wrap: nowrap;
  overflow: hidden;
}
header.scrolled {
  top: 0.5rem;
  padding: 0.4rem 1.4rem;
  background: rgba(139, 0, 0, 0.45);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.header-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: #FFD700;
  white-space: nowrap;
  flex-shrink: 0;
}
.header-contact-btn,
.header-products-btn,
.header-info-btn {
  background: transparent;
  border: none;
  color: #FFD700;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.3s;
  white-space: nowrap;
  flex-shrink: 0;
}
.header-contact-btn:hover,
.header-products-btn:hover,
.header-info-btn:hover {
  color: #ffffff;
}


html {
  scroll-behavior: smooth;
}
#cta {
  scroll-margin-top: 100px;
}

/* Responsivo */
@media (max-width: 768px) {
  .card {
    padding: 2.2rem 1.6rem;
    max-width: 95%;
    border-radius: 20px;
  }
  .card h1 {
    font-size: 2.4rem;
  }
  .card .slogan {
    font-size: 1.25rem;
  }
  h1 {
    font-size: 2.6rem;
  }
  .slogan {
    font-size: 1.25rem;
  }
  .container {
    padding-top: 100px;
  }
}

@media (max-width: 540px) {
  .fixed-logo {
    top: 0.8rem;
    left: 0.8rem;
  }
  .fixed-logo .logoimg {
    height: 90px;
    max-width: 200px;
  }
  body.scrolled .fixed-logo .logoimg {
    height: 48px;
    max-width: 120px;
  }
  body.scrolled .fixed-logo {
    top: 0.5rem;
    left: 0.8rem;
  }

  header {
    top: 1rem;
    padding: 0.4rem 1.1rem;
    min-width: 90%;
    max-width: 96vw;
    gap: 0.8rem;
    justify-content: space-around;
  }
  header.scrolled {
    top: 0.5rem;
    padding: 0.35rem 0.9rem;
  }

  .header-title {
    font-size: 1rem;
  }
  .header-contact-btn,
  .header-products-btn,
  .header-info-btn {
    font-size: 0.88rem;
  }

  .container {
    padding-top: 105px;
    padding-left: 0.7rem;
    padding-right: 0.7rem;
  }

  .card {
    padding: 1.8rem 1.2rem;
    max-width: 98%;
  }
  .card h1 {
    font-size: 2.2rem;
  }
  .card .slogan {
    font-size: 1.15rem;
  }

  .btn {
    font-size: 1.15rem;
    padding: 0.85rem 2rem;
  }
}

@media (max-width: 400px) {
  .fixed-logo .logoimg {
    height: 75px;
    max-width: 170px;
  }
  body.scrolled .fixed-logo .logoimg {
    height: 42px;
    max-width: 110px;
  }

  header {
    padding: 0.35rem 0.9rem;
    min-width: 95%;
    gap: 0.6rem;
  }

  .header-title {
    font-size: 0.92rem;
  }
  .header-contact-btn,
  .header-products-btn,
  .header-info-btn {
    font-size: 0.82rem;
  }

  .container {
    padding-top: 95px;
  }

  h1 {
    font-size: 2rem;
  }
  .slogan {
    font-size: 1.05rem;
  }
}