@import url(../global.css);

@keyframes shimmer {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.header-modern {
  display: flex;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(
    135deg,
    rgba(17, 2, 5, 0.98) 0%,
    rgba(56, 12, 20, 0.95) 50%,
    rgba(17, 2, 5, 0.98) 100%
  );
  backdrop-filter: blur(1rem);
  border-bottom: 0.1rem solid rgba(188, 20, 35, 0.3);
  transition: all 0.3s ease;

  &.scrolled {
    background: rgba(17, 2, 5, 0.98);
    box-shadow: 0 0.4rem 2rem rgba(0, 0, 0, 0.3);
  }
}

.navbar {
  padding: 1rem 0;
  position: relative;
}

.navbar-brand {
  text-decoration: none;
  transition: all 0.3s ease;

  & .brand-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;

    & .brand-logo {
      width: 4.5rem;
      height: 4.5rem;
      border-radius: 50%;
      transition: all 0.3s ease;
      object-fit: cover;

      &:hover {
        transform: scale(1.1);
        box-shadow: 0 0 2rem rgba(188, 20, 35, 0.5);
      }
    }

    & .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;

      & .brand-name {
        font-size: 2rem;
        font-weight: 700;
        color: var(--branco);
        text-transform: uppercase;
        letter-spacing: 0.1rem;
        background: linear-gradient(
          45deg,
          var(--branco),
          var(--vermelho),
          var(--branco)
        );
        background-size: 200% 200%;
        background-clip: text;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        animation: shimmer 3s ease-in-out infinite;
      }

      & .brand-subtitle {
        font-size: 1.28rem;
        color: var(--vermelho);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05rem;
      }
    }
  }
}

/* Mobile Toggle */
.mobile-toggle {
  border: none;
  background: none;
  padding: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;

  &:hover {
    background: var(--vermelho);
  }

  & .hamburger-line {
    display: block;
    width: 2.5rem;
    height: 0.3rem;
    background: var(--branco);
    margin: 0.4rem 0;
    transition: all 0.3s ease;
    border-radius: 0.2rem;
  }

  &.active {
    & .hamburger-line {
      &:nth-child(1) {
        transform: rotate(45deg) translate(0.5rem, 0.5rem);
      }

      &:nth-child(2) {
        opacity: 0;
      }

      &:nth-child(3) {
        transform: rotate(-45deg) translate(0.7rem, -0.6rem);
      }
    }
  }
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;

  & .nav-item {
    position: relative;

    & .nav-link {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.75rem 1.25rem;
      color: var(--branco);
      text-decoration: none;
      font-weight: 600;
      font-size: 0.95rem;
      text-transform: uppercase;
      letter-spacing: 0.05rem;
      border-radius: 0.8rem;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;

      &:hover {
        color: var(--branco);
        background: linear-gradient(
          135deg,
          var(--vermelho),
          rgba(188, 20, 35, 0.8)
        );
        transform: translateY(-0.2rem);
        box-shadow: 0 0.8rem 2.5rem rgba(188, 20, 35, 0.3);
      }

      &::before {
        content: "";
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(
          90deg,
          transparent,
          rgba(255, 255, 255, 0.1),
          transparent
        );
        transition: left 0.5s ease;
      }

      & i {
        font-size: 1.28rem;
        transition: all 0.3s ease;

        &:hover {
          transform: scale(1.1);
        }
      }

      & span {
        font-size: 1.28rem;
      }

      &.course-link {
        background: linear-gradient(
          135deg,
          var(--vermelho),
          rgba(188, 20, 35, 0.8)
        );
        color: var(--branco);
        font-weight: 700;

        &:hover {
          background: linear-gradient(
            135deg,
            rgba(188, 20, 35, 0.9),
            var(--vermelho)
          );
          transform: translateY(-0.3rem);
          box-shadow: 0 1rem 3rem rgba(188, 20, 35, 0.4);
        }
      }
    }
  }
}

/* Social Links */
.header-social-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 2rem;

  & .header-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.1),
      rgba(255, 255, 255, 0.05)
    );
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--branco);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;

    &:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    &:hover::before {
      transform: scale(1);
    }

    &::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--gradiente_vermelho);
      border-radius: 50%;
      transform: scale(0);
      transition: transform 0.3s ease;
    }

    & i {
      font-size: 1.2rem;
      position: relative;
      z-index: 2;
      transition: all 0.3s ease;

      &:hover {
        transform: scale(1.1);
      }
    }
  }
}

/* Responsividade */
@media (max-width: 991px) {
  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(
      135deg,
      rgba(17, 2, 5, 0.98) 0%,
      rgba(56, 12, 20, 0.95) 50%,
      rgba(17, 2, 5, 0.98) 100%
    );
    backdrop-filter: blur(15px);
    border-top: 1px solid rgba(188, 20, 35, 0.3);
    border-radius: 0 0 15px 15px;
    padding: 2rem 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.3s ease-out;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .navbar-nav {
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    border-radius: 12px;
    background: linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.1),
      rgba(255, 255, 255, 0.05)
    );
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  .nav-link::before {
    display: none;
  }

  .header-social-links {
    justify-content: center;
    margin-left: 0;
    gap: 1rem;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .header-social-link {
    width: 50px;
    height: 50px;
  }

  .header-social-link i {
    font-size: 1.4rem;
  }
}

@media (max-width: 768px) {
  .brand-container {
    gap: 0.5rem;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .brand-name {
    font-size: 1.2rem;
  }

  .brand-subtitle {
    font-size: 0.7rem;
  }

  .navbar {
    padding: 0.75rem 0;
  }

  .hamburger-line {
    width: 22px;
    height: 2px;
  }

  .nav-link {
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
  }

  .header-social-link {
    width: 45px;
    height: 45px;
  }

  .header-social-link i {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .brand-container {
    gap: 0.4rem;
  }

  .brand-logo {
    width: 35px;
    height: 35px;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .brand-subtitle {
    font-size: 0.65rem;
  }

  .navbar {
    padding: 0.5rem 0;
  }

  .hamburger-line {
    width: 20px;
    height: 2px;
  }

  .navbar-collapse {
    padding: 1.5rem 1rem;
  }

  .nav-link {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }

  .header-social-links {
    gap: 0.75rem;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .header-social-link {
    width: 42px;
    height: 42px;
  }

  .header-social-link i {
    font-size: 1.2rem;
  }
}

/* Adicionar padding-top ao body para compensar o header fixo */
body {
  padding-top: 8rem;
}

@media (max-width: 768px) {
  body {
    padding-top: 70px;
  }
}

@media (max-width: 480px) {
  body {
    padding-top: 65px;
  }
}