body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f7f7f9;
  color: #222;
}

header {
  background: #23272f;
  color: #fff;
  padding: 32px 0 16px 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

header .container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.header-content {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}

.profile-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #3a7bd5;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.header-text {
  flex: 1;
}

header h1 {
  margin: 0 0 8px 0;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.headline {
  margin: 0 0 16px 0;
  font-size: 1.1rem;
  font-weight: 400;
  color: #bfc7d5;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 24px;
}

nav a {
  color: #bfc7d5;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: #fff;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px;
}

section {
  margin-bottom: 32px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

section h2 {
  margin-top: 0;
  color: #23272f;
  font-size: 1.5rem;
  border-left: 4px solid #3a7bd5;
  padding-left: 12px;
  font-weight: 600;
}

.skills, .projects {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.skills li, .projects li {
  background: #e9ecf3;
  color: #23272f;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
}

/* Project Cards */
.project-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.project-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

.project-logo {
  width: 120px;
  height: 120px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: #f7f7f9;
  padding: 16px;
}

.project-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.project-card h3 {
  color: #23272f;
  font-size: 1.25rem;
  margin: 0 0 8px 0;
  font-weight: 600;
}

.project-card p {
  color: #666;
  font-size: 0.95rem;
  margin: 0 0 16px 0;
  line-height: 1.5;
}

.project-link {
  display: inline-block;
  padding: 8px 24px;
  background: #3a7bd5;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  transition: background 0.2s;
}

.project-link:hover {
  background: #285a99;
}

/* WhatsApp Button */
.whatsapp-button {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  z-index: 1000;
}

.whatsapp-button:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}

.whatsapp-button svg {
  width: 32px;
  height: 32px;
}

footer {
  background: #23272f;
  color: #bfc7d5;
  text-align: center;
  padding: 16px 0;
  font-size: 0.95rem;
  margin-top: 32px;
}

/* Responsive Design */
@media (max-width: 600px) {
  .container {
    padding: 16px 8px;
  }
  
  .header-content {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .profile-image {
    width: 100px;
    height: 100px;
  }

  header h1 {
    font-size: 2rem;
  }

  nav ul {
    flex-direction: column;
    gap: 8px;
  }

  section {
    padding: 16px 8px;
  }

  .whatsapp-button {
    width: 50px;
    height: 50px;
    bottom: 16px;
    right: 16px;
  }

  .whatsapp-button svg {
    width: 28px;
    height: 28px;
  }
}