* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Full-height layout with flex to push footer down */
html, body {
  height: 100%;
}

body {
  background: #0f0f0f;
  color: #fff;
  display: flex;
  flex-direction: column;
}

/* Sticky Header */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: #000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-letter {
  font-size: 1.8rem;
  font-weight: bold;
  color: #ff6b6b;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 1px;
}

/* Navigation */
.nav-menu {
  display: flex;
  gap: 1.8rem;
}

.nav-menu a {
  color: #ccc;
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #ff6b6b;
}

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: #fff;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* Main content area — grows to fill space */
.main-content {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 20px; /* minor offset if needed */
}

.container {
  text-align: center;
  padding: 0 2rem;
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(90deg, #ff6b6b, #ffa500);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 2px;
}

p {
  font-size: 1.2rem;
  color: #aaa;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Sticky Footer */
.footer {
  padding: 1rem;
  text-align: center;
  background: #000;
  color: #555;
  font-size: 0.5rem;
  border-top: 1px solid #222;
}

/* Responsive */
@media (max-width: 768px) {
  .header {
    padding: 1rem;
  }

  .logo-letter {
    font-size: 1.5rem;
  }

  .logo-text {
    font-size: 1.1rem;
  }

  .nav-menu {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: #000;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 0;
    gap: 1.2rem;
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.4s ease-in-out;
  }

  .nav-menu.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .nav-menu a {
    font-size: 1.1rem;
    color: #ddd;
  }

  .menu-toggle {
    display: flex;
  }

  h1 {
    font-size: 2.4rem;
  }

  p {
    font-size: 1rem;
    padding: 0 1rem;
  }

  .footer {
    font-size: 0.5rem;
  }
}