@font-face {
    font-family: "ArticaPro Medium";
    src: url("/fonts/ArticaPro-Medium.ttf") format("truetype");
    font-weight: normal;
    font-style: normal;
}

:root {
  --font: "ArticaPro Medium", monospace;
  --font-size: 16px;
  
  --bg: #16314b;
  --bg-soft: #224566;
  --card: #122436;
  --text: #ffffff;
  --accent: #83cfff;
  --accent-hover: #28a7f7;
  --border: #0c1f30;
  --border-hover: #2c7aab;
  --selection: #2c7aab;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: var(--font); }

body { background: var(--bg); color: var(--text); font-size: var(--font-size); line-height: 1.6; }

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }

a:hover { color: var(--accent-hover); }

::selection {
  background-color: var(--selection);
  color: var(--text);
}

header {
  text-align: center;
  padding: 20px 20px 12px;
  background: var(--bg-soft);
}

footer {
  text-align: center;
}

header p { color: var(--text); }

.tab-buttons button.active {
  background: var(--accent);
  color: var(--bg);
}

nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}
nav a { padding: 8px 12px; border-radius: 6px; background: var(--card); }

section {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px;
  text-align: center;
}

h2 { font-size: 2rem; margin-bottom: 20px; border-bottom: 2px solid var(--border); padding-bottom: 10px; }

.card {
  width: 100%;
  max-width: 100%;
  padding: 15px 20px;
  border-radius: 8px;
  background: var(--card);
  border: 2px solid var(--border);
  text-align: center;
  box-sizing: border-box;
  transition: transform 0.2s, border-color 0.4s ease;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
}

.card h3 { margin-bottom: 10px; }
.card p { color: var(--text); }

.avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;

  display: block;
  margin: 0 auto 1px;

  border: 3px solid var(--border);
  background: var(--card);
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 30px;
}

.tab-buttons button {
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s;
}

.tab-buttons button.active {
  background: var(--accent);
}

.tab-buttons button:hover:not(.active) {
  background: var(--bg-soft);
}

.tab {
  display: none;
}

.tab.active {
  display: block;
}

.tab .projects,
.tab .socials {
  display: grid;
  grid-template-columns: repeat(3, 260px);
  gap: 20px;
  justify-content: center;
}

.tab .projects p {
  grid-column: 1 / -1;
  text-align: center;
}

.friends-note {
  text-align: center;
  margin-top: 20px;
  font-size: 16px;
  width: 100%;
}

@media (max-width: 768px) {
  header {
    padding: 40px 16px 30px;
  }

  header h1 {
    font-size: 2.1rem;
  }

  header p {
    font-size: 1rem;
  }

  nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  nav a {
    padding: 10px 14px;
    font-size: 0.95rem;
  }

  section {
    margin: 40px auto;
    padding: 0 16px;
  }

  h2 {
    font-size: 1.6rem;
  }

  .projects,
  .socials {
    gap: 16px;
  }

  .card {
    flex: 1 1 100%;
    max-width: 100%;
    padding: 14px 16px;
  }

  .card h3 {
    font-size: 1.1rem;
  }

  .card p {
    font-size: 0.9rem;
  }

  .avatar {
    width: 110px;
    height: 110px;
    margin-bottom: 16px;
  }
}

@media (max-width: 420px) {
  header h1 {
    font-size: 1.9rem;
  }

  header p {
    font-size: 0.95rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .projects,
  .socials {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 14px 16px;
  }

  .card p {
    font-size: 0.88rem;
    line-height: 1.45;
  }
}

@media (max-width: 900px) {
  .tab .projects,
  .tab .socials {
    grid-template-columns: repeat(2, 260px);
  }
}

@media (max-width: 600px) {
  .tab .projects,
  .tab .socials {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .tab .projects .card,
  .tab .socials .card {
    width: 360px;
    max-width: 360px;
  }

  .tab-buttons {
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }

  .tab-buttons button {
    flex: 0 0 calc(50% - 10px);
    max-width: 40%;
    box-sizing: border-box;
  }
}