html {
  scroll-behavior: smooth;
}

body {
  padding: 88px 20px 20px;
  scroll-padding-top: 88px;
}

#topBar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid #dadada;
  background: rgba(248, 248, 248, 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

#topBarInner {
  max-width: 980px;
  margin: 0 auto;
  padding: 14px 20px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

#topBarBrand {
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

#topBarNav ul {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

#topBarNav a {
  display: inline-block;
  padding: 6px 11px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}

#topBarNav a:hover,
#topBarNav a.active {
  background-color: rgba(0, 0, 0, 0.08);
}

.page-main {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 12px 0 48px;
  box-sizing: border-box;
}

.content-card {
  width: 100%;
  max-width: 760px;
  padding: 28px;
  border-radius: 16px;
  border: 1px solid #d8d8d8;
  background-color: #f8f8f8;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
  text-align: left;
}

.content-card h1 {
  margin-top: 0;
}

.content-card p {
  margin: 12px 0;
}

.profile-page #profileContainer {
  min-height: calc(100vh - 210px);
  align-items: flex-start;
  padding-top: 24px;
}

.profile-page #profile {
  max-width: 620px;
}

.profile-page #profile nav {
  margin-top: 8px;
}

.contact-page #contact {
  max-width: 640px;
}

.contact-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.contact-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid #cecece;
  border-radius: 10px;
  text-decoration: none;
  background: #ffffff;
}

.contact-list a:hover {
  background: #efefef;
}

.contact-list i {
  width: 20px;
  text-align: center;
}

footer {
  margin-top: 8px;
}

@media (prefers-color-scheme: dark) {
  #topBar {
    border-color: #525252;
    background: rgba(47, 47, 47, 0.94);
  }

  #topBarNav a:hover,
  #topBarNav a.active {
    background-color: rgba(255, 255, 255, 0.12);
  }

  .content-card {
    border-color: #4b4b4b;
    background-color: #2f2f2f;
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.28);
  }

  .contact-list a {
    border-color: #5f5f5f;
    background: #3d3d3d;
  }

  .contact-list a:hover {
    background: #474747;
  }
}

@media (max-width: 640px) {
  body {
    padding-top: 130px;
    scroll-padding-top: 130px;
  }

  #topBarInner {
    flex-direction: column;
    gap: 10px;
    padding: 10px 14px;
  }

  #topBarNav ul {
    gap: 4px;
  }

  #topBarNav a {
    font-size: 0.9rem;
    padding: 5px 9px;
  }

  .content-card {
    padding: 18px;
  }
}