:root {
  --primary: #0a192f;       /* dark navy */
  --secondary: #112240;     /* slightly lighter navy */
  --accent: #64ffda;        /* teal highlight */
  --accent-dark: #1f7a8c;   /* deeper teal */
  --text: #e6f1ff;          /* off-white */
  --text-secondary: #8892b0; /* muted grey-blue */
}

html {
  font-size: 16px;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--primary);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* Landing Page */
.landing-page {
  max-width: 800px;
  margin: 0 auto;
}

#myname {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  animation: fadeInDown 1s ease;
}

#description {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--accent);
  animation: fadeIn 1.2s ease;
}

.tagline {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* Social Buttons */
.social {
  animation: fadeInUp 1s ease;
}

.social .btn {
  border-radius: 50px;
  padding: 0.5rem 1.5rem;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  transition: all 0.3s ease;
  background: transparent;
}

.social .btn:hover {
  background: var(--accent);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 15px -4px rgba(0, 0, 0, 0.25);
}

/* Footer */
footer {
  background: var(--secondary);
  border-top: 1px solid var(--accent-dark);
}

footer p {
  margin: 0;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .social .btn {
    display: block;
    width: 100%;
    margin: 0.5rem 0;
  }
}

@media (min-width: 1200px) {
  html {
    font-size: 18px;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}