* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
/*  -ms-overflow-style: none; 
  scrollbar-width: none; */
  background-color: #0a0a0a;
  color: #f0f0f0;
  font-family: 'Manrope', sans-serif;
  /*overflow: hidden;*/
  min-height: 100vh;
  position: relative;
}

::-webkit-scrollbar {
    display: none;
}

#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

header {
  height: 33.33vh;
  background: rgba(15, 15, 15, 0.22);
  backdrop-filter: blur(22px); 
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 100%;
  z-index: 10;
}

header h1 {
  font-size: 4.2rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: white;
}

.hamburger {
  position: absolute;
  top: 24px;
  left: 24px;
  background: none;
  border: none;
  color: white;
  font-size: 1.8rem;
  cursor: pointer;
  opacity: 0.9;
  z-index: 12;
}


.sidebar {
  position: fixed;
  top: 0;
  left: -280px;
  width: 260px;
  height: 100vh;
  background: rgba(12, 12, 12, 0.28);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 90px;
  transition: left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 12;
}

.sidebar.open {
  left: 0;
}

.sidebar ul {
  list-style: none;
}

.sidebar li {
  padding: 16px 28px;
}

.sidebar a {
  color: white;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 500;
  transition: opacity 0.2s;
}

.sidebar a:hover {
  opacity: 0.85;
}


main {
  padding: 40px;
  margin: 20px auto;
  max-width: 1000px;
  background: rgba(10, 10, 10, 0.25);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  font-size: 1.1rem;
  line-height: 1.6;
  z-index: 5;
  position: relative;
}

.glass-block {
  padding: 40px;
  margin: 20px auto;
  max-width: 1000px;
  background: rgba(10, 10, 10, 0.25);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  font-size: 1.1rem;
  line-height: 1.6;
  z-index: 5;
  position: relative;
}

.glass-block:last-child {
  margin-bottom: 0;
}

.bottom-glass-fade {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(8, 8, 8, 0.25);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: none;
  z-index: -1;
  pointer-events: none;
}


@media (max-width: 768px) {
  header h1 { font-size: 2.4rem; }
  main { margin: 20px 16px; padding: 24px; }
}