/* ===========================
   Reset + Base Styles
=========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  color: #f0f6fc;
}

html {
  font-size: 10px;
  background-color: #0d1117;
}

body {
  background-color: #010409;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===========================
   Header
=========================== */
header {
  background-color: #010409;
  border-bottom: 1px solid #2d343c;
  text-align: center;
  padding: 15px 40px;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 10;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
}

header h1 {
  font-size: 5rem;
  font-weight: 600;
  line-height: 1;
  color: #f0f6fc;
  margin: 0;
}

header h2 {
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1.2;
  color: #f0f6fc;
  margin-top: 4px;
}

header .account-buttons {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 8px;
}

header .account-buttons .button {
  padding: 6px 12px;
  font-size: 1.2rem;
  border-radius: 5px;
}

/* ===========================
   Buttons
=========================== */
.button {
  border: 1px solid #2d343c;
  border-radius: 8px;
  background-color: #0d1117;
  color: #f0f6fc;
  padding: 10px 20px;
  font-size: 1.5rem;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.button:hover {
  background-color: #2d343c;
  color: #fff;
}

/* Big action button (New Project) */
.button1 {
  display: block;
  margin: 140px auto 0 auto; /* centers below header */
  padding: 14px 28px;
  font-size: 1.8rem;
  font-weight: 600;
}

/* Small round button (footer help) */
.button2 {
  border-radius: 50%;
  padding: 10px 14px;
  font-size: 1.6rem;
  font-weight: bold;
}

/* ===========================
   Layout Wrappers
=========================== */
.div.lower {
  text-align: center;
}

.div.footer {
  position: fixed;
  bottom: 20px;
  right: 20px;
}

/* ===========================
   Responsive
=========================== */
@media (max-width: 768px) {
  header h1 {
    font-size: 3.8rem;
  }

  header h2 {
    font-size: 1.4rem;
  }

  .button {
    font-size: 1.3rem;
    padding: 8px 14px;
  }

  .button1 {
    font-size: 1.6rem;
    padding: 12px 20px;
  }
}