/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  background: radial-gradient(circle at bottom right, #0d0d0d, #1a1a1a 60%);
  color: #f0f0f0;
  line-height: 1.6;
  padding: 0;
  margin: 0;
}

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2.5rem;
  background: linear-gradient(90deg, #4facfe, #00f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

header p {
  color: #ccc;
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

/* Buttons */
.buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: 10px;
  background: #2d2d2d;
  border: 1px solid #444;
  color: #f0f0f0;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #4facfe;
  color: #fff;
  border-color: #4facfe;
}

.btn.linkedin {
  background: #0a66c2;
  border: none;
  color: #fff;
}

.btn.linkedin:hover {
  background: #084d92;
}

/* Cards layout */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.6);
}

.card h3 {
  margin-bottom: 1rem;
  font-size: 1.3rem;
  color: #fff;
}

.card p,
.card li {
  color: #ccc;
  font-size: 0.95rem;
}

/* Lists in cards */
.card ul {
  list-style: none;
  padding-left: 0;
}

.card ul li {
  margin-bottom: 0.5rem;
}

/* Responsive grid for desktop */
@media(min-width:768px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Correction: centrer les 2 derniers blocs (telfrbot & contact) */
  .cards:nth-last-of-type(2),
  .cards:last-of-type {
    display: flex;
    justify-content: center;
    gap: 2rem;
  }

  .cards:nth-last-of-type(2) .card,
  .cards:last-of-type .card {
    max-width: 400px;
    width: 100%;
  }
}