/* Global Styles */
:root {
  --bg: #181a20;
  --card-bg: #23262f;
  --accent: #4f8cff;
  --text: #f1f1f1;
  --muted: #b0b3c6;
  --radius: 1.2em;
  --shadow: 0 2px 12px 0 rgba(0,0,0,0.18);
  --transition: 0.18s cubic-bezier(.4,0,.2,1);
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Arial, sans-serif;
  min-height: 100vh;
  font-size: 17px;
}

h1, h2, h3, h4, h5 {
  font-weight: 700;
  margin: 0 0 0.5em 0;
  color: var(--text);
}

.container {
  max-width: 700px;
  margin: 2em auto;
  padding: 1.5em;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  text-align: center;
  padding: 2em 1em;
}

.tagline {
  color: var(--muted);
  font-size: 1.2em;
  margin-bottom: 1.5em;
}

.cta-buttons {
  display: flex;
  gap: 1em;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.7em 1.6em;
  font-size: 1em;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition);
  box-shadow: var(--shadow);
}

.btn:hover, .btn:focus {
  background: #2563eb;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}

.btn-outline:hover, .btn-outline:focus {
  background: var(--accent);
  color: #fff;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5em;
  margin: 2em 0;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2em 1.2em;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1em;
  font-weight: 500;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover, .card:focus {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 4px 24px 0 rgba(79,140,255,0.18);
}

.card.social {
  border-left: 6px solid var(--color, var(--accent));
}

.card.tool {
  border-left: 6px solid var(--accent);
}

.card.work {
  border-left: 6px solid #22d3ee;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1em;
  margin-bottom: 2em;
}

.contact-form input, .contact-form textarea {
  background: var(--card-bg);
  border: 1px solid #333;
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.9em 1em;
  font-size: 1em;
  resize: vertical;
}

.contact-form button {
  align-self: flex-start;
}

.social-icons {
  display: flex;
  gap: 1em;
  justify-content: center;
  margin-top: 1em;
}

.social-icons a {
  background: var(--card-bg);
  color: var(--accent);
  border-radius: 50%;
  width: 2.3em;
  height: 2.3em;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  text-decoration: none;
  font-size: 1.1em;
  box-shadow: var(--shadow);
  transition: background var(--transition), color var(--transition);
}

.social-icons a:hover, .social-icons a:focus {
  background: var(--accent);
  color: #fff;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.95em;
  margin: 2em 0 1em 0;
}

@media (max-width: 600px) {
  .container, .hero {
    padding: 1em 0.5em;
  }
  .card {
    padding: 1.2em 0.7em;
    font-size: 1em;
  }
  .cta-buttons {
    flex-direction: column;
    gap: 0.7em;
  }
}