@import url("https://fonts.googleapis.com/css2?family=Ubuntu+Mono:wght@400;700&display=swap");

:root {
  --bg-color: #f7f3ed;
  --text-color: #131313;
  --accent-color: #131313;
  --secondary-text: rgba(19, 19, 19, 0.6);
  --border-color: rgba(19, 19, 19, 0.1);
  --selection-bg: rgba(19, 19, 19, 0.05);
}

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

html,
body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: "Ubuntu Mono", monospace;
  line-height: 1.6;
  overflow-x: hidden;
  height: 100%;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

header {
  margin-bottom: 80px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1.5px solid var(--accent-color);
  padding-bottom: 20px;
}

.logo {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -1px;
  cursor: pointer;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}

nav a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 400;
  font-size: 16px;
  transition: opacity 0.2s;
}

nav a:hover {
  opacity: 0.6;
}

nav a.active {
  font-weight: 700;
  text-decoration: underline;
}

section {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

section.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1 {
  font-size: 48px;
  margin-bottom: 32px;
  font-weight: 700;
}

h2 {
  font-size: 24px;
  margin-top: 48px;
  margin-bottom: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

p {
  font-size: 18px;
  margin-bottom: 24px;
  color: var(--secondary-text);
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 40px;
}

.card {
  border: 1.5px solid var(--accent-color);
  padding: 32px;
  transition: background-color 0.2s;
}

.card:hover {
  background-color: var(--selection-bg);
}

.card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.email-link {
  color: var(--text-color);
  text-decoration: underline;
  font-weight: 700;
}

footer {
  margin-top: 120px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 14px;
  color: var(--secondary-text);
}

.technical-line {
  height: 1px;
  background: var(--border-color);
  margin: 40px 0;
  position: relative;
}

.technical-line::after {
  content: "0xFOQOS";
  position: absolute;
  right: 0;
  top: -10px;
  background: var(--bg-color);
  padding-left: 10px;
  font-size: 10px;
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
  }

  h1 {
    font-size: 36px;
  }
}