:root {
  --bg: #0f172a;
  --bg-soft: #020617;
  --card: #020617;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #22c55e;
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-soft: #e5e7eb;
  --card: #ffffff;
  --text: #020617;
  --muted: #475569;
  --accent: #0284c7;
  --accent-2: #16a34a;
}

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

html{
  scroll-behavior: smooth;
}

body {
  font-family: 'Sora', 'Inter', sans-serif;
  font-display: optional;
  background: linear-gradient(180deg, var(--bg), var(--bg-soft));
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
  padding-top: 80px; /* space for fixed header */
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 2rem 1.5rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: none; }

p { color: var(--muted); }

h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: #38BDF8;
}

h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }

.btn {
  padding: 0.85rem 1.4rem;
  border-radius: 0.75rem;
  background: var(--accent);
  color: #020617;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(56,189,248,0.25);
}

.btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(56,189,248,0.4);
}

.btn.secondary.contact-btn {
  margin-top:0.2rem; 
  align-self: flex-start;
}

section { margin-top: 4rem; scroll-margin-top: 5rem;}
    
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); max-width: 900px; margin-left: auto; margin-right: auto; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); max-width: 900px; margin-left: auto; margin-right: auto; }

.card{
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid rgba(148,163,184,0.15);
  border-radius: 1.25rem;
  padding: 1.5rem;
  transition: transform 0.2s ease, border 0.2s ease; 
  text-align: center;
  width: 100%;
  justify-self: center;
}

.card-elements-container{
  display: flex;
  justify-content: center;
  column-gap: 2rem;
  margin-top: 0.8rem;
}

.card-elements-group{
  display: grid;
  row-gap: 1rem;
}

.card-elements-flex{
  display: flex;
  column-gap: .1rem;
  align-items: flex-start;
}

.card-elements-flex div{
  justify-items: flex-start;
  text-align: start;
}

.card-elements-flex div p{
  padding-left: 0.5rem;
}


.card:hover,
.skill-card.active:hover {
  transform: translateY(-4px);
  border-color: rgba(56,189,248,0.5);
}

.contact-card{
  min-height: 100px; 
  justify-content: space-between; 
  text-align: left;
  width: 400px;
}

@media (max-width: 768px) {
  .container {
    padding: 1.5rem 1rem;
  }

  .btn {
    padding: 0.75rem 1.2rem;
    font-size: 0.9rem;
  }

  section {
    margin-top: 3rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .grid {
    gap: 1rem;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }


  .grid-2 {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 1.25rem;
    width: 75%;
  }

  .card-elements-container {
    column-gap: 1.5rem;
  }

  .contact-card {
    max-width: 100%;
  }
}