/* Portfolio Section - Modern Card Design */
.portfolio {
  margin-left: var(--sidebar-width);
  padding: 80px 60px;
  min-height: auto;
  background: var(--bg-white);
  width: calc(100% - var(--sidebar-width));
}

.portfolio h2 {
  font-size: 42px;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--text-dark);
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
  letter-spacing: -0.02em;
}

.portfolio h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--bg-gradient-alt);
  border-radius: 2px;
}

.portfolio img {
  height: 220px;
  width: 100%;
  object-fit: cover;
  transition: all var(--transition-speed);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.portfolio img:hover {
  transform: scale(1.02);
}

.project-title {
  margin: 0;
  padding: 20px 20px 8px 20px;
}

.project-title a {
  text-decoration: none;
  color: var(--text-dark);
  transition: color var(--transition-speed);
  font-size: 20px;
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
}

.project-title a:hover {
  color: var(--primary-color);
}

.project-desc {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-dark);
  font-family: var(--font-primary);
  padding: 0 20px 15px 20px;
  line-height: 1.7;
  flex-grow: 1;
}

/* Tech Tags */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 20px 8px 20px;
}

.tech-tags .tag {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--text-light);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-primary);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

/* Project Links */
.project-links {
  display: flex;
  gap: 10px;
  padding: 0 20px 20px 20px;
  flex-wrap: wrap;
}

.project-btn {
  flex: 1;
  min-width: 120px;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-primary);
  text-align: center;
  text-decoration: none;
  transition: all var(--transition-speed);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.demo-btn {
  background: var(--primary-color);
  color: var(--text-light);
  border: 2px solid var(--primary-color);
}

.demo-btn:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--glow-primary);
}

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

.code-btn:hover {
  background: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--glow-primary);
}

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.column {
  width: 100%;
}

.content {
  background: var(--glass-bg);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: all var(--transition-speed) var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.6s ease-out;
}

.content:hover {
  box-shadow: var(--shadow-premium), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transform: translateY(-12px) scale(1.02);
  border-color: rgba(59, 130, 246, 0.4);
}