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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background-color: #fff;
}

/* Utility Classes */
.max-w-6xl {
  max-width: 72rem;
}

.max-w-3xl {
  max-width: 48rem;
}

.max-w-2xl {
  max-width: 42rem;
}

.max-w-md {
  max-width: 28rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.py-5 {
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.py-12 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.py-16 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.py-8 {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.pl-2 {
  padding-left: 0.5rem;
}

.mb-12 {
  margin-bottom: 3rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-8 {
  margin-top: 2rem;
}

.mt-3 {
  margin-top: 0.75rem;
}

.mt-1 {
  margin-top: 0.25rem;
}

/* Flexbox */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-1 {
  gap: 0.25rem;
}

.gap-8 {
  gap: 2rem;
}

.flex-wrap {
  flex-wrap: wrap;
}

/* Grid */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.gap-8 {
  gap: 2rem;
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .md\:text-4xl {
    font-size: 2.25rem;
    line-height: 2.5rem;
  }
}

/* Text Styles */
.text-3xl {
  font-size: 1.875rem;
  line-height: 2.25rem;
}

.text-2xl {
  font-size: 1.5rem;
  line-height: 2rem;
}

.text-base {
  font-size: 1rem;
  line-height: 1.5rem;
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1rem;
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.font-medium {
  font-weight: 500;
}

.text-center {
  text-align: center;
}

.whitespace-pre-line {
  white-space: pre-line;
}

/* Colors */
.bg-gray-50 {
  background-color: #f9fafb;
}

.bg-white {
  background-color: #ffffff;
}

.bg-gray-900 {
  background-color: #111827;
}

.bg-indigo-600 {
  background-color: #4f46e5;
}

.bg-gray-100 {
  background-color: #f3f4f6;
}

.bg-slate-100 {
  background-color: #f1f5f9;
}

.bg-black {
  background-color: #000000;
}

.text-white {
  color: #ffffff;
}

.text-gray-800 {
  color: #1f2937;
}

.text-gray-600 {
  color: #4b5563;
}

.text-gray-700 {
  color: #374151;
}

.text-gray-900 {
  color: #111827;
}

.text-gray-500 {
  color: #6b7280;
}

.text-gray-300 {
  color: #d1d5db;
}

.text-slate-700 {
  color: #3f3f46;
}

.text-green-600 {
  color: #16a34a;
}

.text-red-600 {
  color: #dc2626;
}

/* Borders */
.border {
  border: 1px solid #d1d5db;
}

.border-y {
  border-top: 1px solid #d1d5db;
  border-bottom: 1px solid #d1d5db;
}

.border-gray-200 {
  border-color: #e5e7eb;
}

.border-gray-300 {
  border-color: #d1d5db;
}

/* Rounded */
.rounded {
  border-radius: 0.375rem;
}

.rounded-lg {
  border-radius: 0.5rem;
}

.rounded-xl {
  border-radius: 0.75rem;
}

.rounded-md {
  border-radius: 0.375rem;
}

/* Overflow */
.overflow-hidden {
  overflow: hidden;
}

/* Width/Height */
.w-full {
  width: 100%;
}

.w-8 {
  width: 2rem;
}

.h-8 {
  height: 2rem;
}

.h-auto {
  height: auto;
}

/* Shadow */
.shadow-sm {
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.hover\:shadow-sm:hover {
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

/* Hover States */
.hover\:bg-indigo-700:hover {
  background-color: #4338ca;
}

.hover\:bg-gray-800:hover {
  background-color: #1f2937;
}

.transition {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

/* Image Styles */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Form Styles */
input,
textarea {
  width: 100%;
  font-family: inherit;
}

input::placeholder,
textarea::placeholder {
  color: #9ca3af;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Object Fit */
.object-cover {
  object-fit: cover;
}

/* Space Between */
.space-y-4 > * + * {
  margin-top: 1rem;
}

.space-y-2 > * + * {
  margin-top: 0.5rem;
}

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

.fade-in {
  animation: fadeIn 0.3s ease-in;
}

/* Portfolio Item Styles */
.portfolio-item {
  display: flex;
  flex-direction: column;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  background-color: white;
  padding: 1.5rem;
  transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover {
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.portfolio-image {
  margin-bottom: 1rem;
  overflow: hidden;
  border-radius: 0.5rem;
  background-color: #f3f4f6;
  width: 100%;
  height: auto;
}

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

.portfolio-title {
  font-weight: 600;
  color: #111827;
}

.portfolio-description {
  margin-top: 0.5rem;
  color: #4b5563;
  font-size: 0.875rem;
  white-space: pre-line;
}

.portfolio-tools {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.portfolio-tool {
  font-size: 0.625rem;
  padding: 0.125rem 0.5rem;
  background-color: #f1f5f9;
  color: #3f3f46;
  border-radius: 0.25rem;
}

/* Header Logo */
header a {
  text-decoration: none;
  color: inherit;
}

header a:hover {
  opacity: 0.8;
}

/* Message Styles */
#form-message {
  margin-top: 1rem;
  text-align: center;
}

#form-message.success {
  color: #16a34a;
}

#form-message.error {
  color: #dc2626;
}

/* Footer */
footer {
  border-top: 1px solid #374151;
}

/* Responsive */
@media (max-width: 640px) {
  body {
    font-size: 0.875rem;
  }

  .px-6 {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .text-3xl {
    font-size: 1.5rem;
  }
}