* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 85px;
}

body {
  margin: 0;
  font-family:
    Arial,
    Helvetica,
    sans-serif;

  background: #f4f4f4;
  color: #222;
  line-height: 1.7;
}


/* =========================
   NAVBAR
========================= */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;

  background: #3f3f3f;

  border-bottom: 1px solid #555;

  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.15);
}

.nav-container {
  max-width: 1100px;

  margin: auto;

  padding: 14px 20px;
}

.nav-links {
  display: flex;

  align-items: center;
  justify-content: center;

  gap: 8px;

  flex-wrap: wrap;
}

.nav-links a {
  color: #f1f1f1;

  text-decoration: none;

  padding: 10px 14px;

  border-radius: 7px;

  font-size: 14px;

  font-weight: 600;

  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.nav-links a:hover {
  background: #5a5a5a;

  color: white;
}

.nav-links a.active {
  background: #ffffff;

  color: #333;
}


/* =========================
   CONTAINER
========================= */

.container {
  max-width: 1000px;

  margin: auto;

  padding: 40px 20px 80px;
}


/* =========================
   HEADER
========================= */

header {
  margin-bottom: 45px;
}

.hero {
  text-align: center;

  padding:
    60px 20px
    70px;
}

.hero h1 {
  font-size: 46px;

  line-height: 1.2;

  margin:
    15px 0
    20px;
}

.hero p {
  max-width: 700px;

  margin: auto;

  font-size: 19px;

  color: #666;
}


/* =========================
   SECTIONS
========================= */

section {
  background: white;

  margin-bottom: 30px;

  padding: 35px;

  border-radius: 12px;

  border: 1px solid #ddd;

  box-shadow:
    0 3px 12px rgba(0, 0, 0, 0.05);
}

section h2 {
  margin-top: 0;

  color: #222;

  font-size: 28px;
}

section h3 {
  margin-top: 30px;

  color: #333;

  font-size: 20px;
}


/* =========================
   LABEL
========================= */

.section-label {
  display: inline-block;

  padding:
    5px 10px;

  border-radius: 5px;

  background: #3f3f3f;

  color: white;

  font-size: 12px;

  font-weight: bold;

  letter-spacing: 1px;
}


/* =========================
   TABLE
========================= */

table {
  width: 100%;

  border-collapse: collapse;

  margin:
    25px 0;
}

th,
td {
  border: 1px solid #ddd;

  padding: 13px;

  text-align: left;

  vertical-align: top;
}

th {
  background: #3f3f3f;

  color: white;
}


/* =========================
   CODE
========================= */

.code-box {
  background: #1e1e1e;

  color: #f1f1f1;

  border-radius: 8px;

  padding: 20px;

  margin:
    20px 0;

  overflow-x: auto;
}

.code-box pre {
  margin: 0;

  white-space: pre-wrap;

  word-break: break-word;

  font-family:
    "Courier New",
    monospace;

  font-size: 14px;

  line-height: 1.6;
}

code {
  font-family:
    "Courier New",
    monospace;
}


/* =========================
   EXAMPLE
========================= */

.example-box {
  background: #f7f7f7;

  border-left: 4px solid #555;

  padding: 20px;

  margin:
    20px 0;

  border-radius: 6px;
}


/* =========================
   WARNING
========================= */

.warning {
  background: #fff4d6;

  border-left: 5px solid #d49a00;

  padding: 20px;

  margin:
    25px 0;

  border-radius: 6px;
}

.warning h3 {
  margin-top: 0;
}


/* =========================
   HIGHLIGHT
========================= */

.highlight {
  background: #eeeeee;

  border-left: 5px solid #3f3f3f;

  padding: 20px;

  margin:
    25px 0;

  border-radius: 6px;
}

.highlight h2,
.highlight h3 {
  margin-top: 0;
}


/* =========================
   FLOW
========================= */

.flow {
  display: flex;

  align-items: center;

  justify-content: center;

  flex-wrap: wrap;

  gap: 10px;

  margin:
    30px 0;

  padding: 20px;

  background: #f2f2f2;

  border-radius: 10px;

  font-weight: 600;
}

.flow span {
  background: #3f3f3f;

  color: white;

  padding:
    9px 14px;

  border-radius: 7px;
}


/* =========================
   TWO COLUMN
========================= */

.two-column {
  display: grid;

  grid-template-columns:
    repeat(2, 1fr);

  gap: 20px;

  margin:
    25px 0;
}

.info-card {
  padding: 25px;

  background: #f5f5f5;

  border: 1px solid #ddd;

  border-radius: 9px;
}

.info-card h3 {
  margin-top: 0;
}


/* =========================
   DISCORD MESSAGE
========================= */

.discord-message {
  max-width: 700px;

  margin:
    25px auto;

  padding: 25px;

  background: #2f3136;

  color: #ffffff;

  border-radius: 10px;
}

.discord-message h3 {
  color: white;

  margin-top: 0;
}


/* =========================
   PART CARDS
========================= */

.part-grid {
  display: grid;

  grid-template-columns:
    repeat(2, 1fr);

  gap: 20px;
}

.part-card {
  display: block;

  text-decoration: none;

  color: inherit;

  background: #ffffff;

  border: 1px solid #ddd;

  border-radius: 12px;

  padding: 25px;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.part-card:hover {
  transform: translateY(-4px);

  border-color: #555;

  box-shadow:
    0 8px 20px rgba(0, 0, 0, 0.1);
}

.part-number {
  display: inline-block;

  font-size: 13px;

  font-weight: bold;

  background: #3f3f3f;

  color: white;

  padding:
    4px 9px;

  border-radius: 5px;
}

.part-card h3 {
  margin:
    15px 0 8px;

  font-size: 22px;
}

.part-card p {
  color: #666;
}

.read-more {
  display: inline-block;

  margin-top: 10px;

  font-weight: bold;

  color: #333;
}


/* =========================
   LINKS
========================= */

a {
  color: #333;

  font-weight: 600;
}

a:hover {
  color: #000;
}


/* =========================
   FOOTER
========================= */

footer {
  text-align: center;

  padding:
    30px 0;

  color: #777;

  border-top: 1px solid #ddd;

  margin-top: 50px;
}


/* =========================
   MOBILE
========================= */

@media (max-width: 700px) {

  .nav-links {
    flex-direction: column;

    align-items: stretch;
  }

  .nav-links a {
    text-align: center;
  }

  .container {
    padding:
      25px 15px
      60px;
  }

  .hero {
    padding:
      40px 10px;
  }

  .hero h1 {
    font-size: 34px;
  }

  section {
    padding: 22px;
  }

  .two-column,
  .part-grid {
    grid-template-columns: 1fr;
  }

  .flow {
    flex-direction: column;
  }

  table {
    display: block;

    overflow-x: auto;
  }

}