:root {
  --color-primary: #00B7FF;
  --color-secondary: #005F99;
  --color-tertiary: #333;
  --color-bg: #f9f9f9;
  --color-white: #fff;
  --color-gray-light: #f9f9f9;
  --color-gray-medium: #e0e0e0;
  --color-gray-dark: #555;
  --shadow-soft: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-medium: 0 2px 4px rgba(0,0,0,0.1);
  --font-primary: "Lucida Grande",Helvetica,Arial,sans-serif;
  --base-font-size: 16px;
  --line-height: 1.6;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 15px;
  --space-lg: 20px;
  --space-xl: 40px;
  --transition-fast: 0.2s;
  --transition-medium: 0.3s;
  --transition-slow: 0.5s;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 50%;
}
* {
  box-sizing: border-box;
}
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,font,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,menu,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td {
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
  vertical-align: baseline;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-primary);
  font-size: var(--base-font-size);
  line-height: var(--line-height);
  color: var(--color-tertiary);
  background-color: var(--color-bg);
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-medium) ease-in-out, text-decoration var(--transition-medium) ease-in-out;
}
a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}
h1,h2,h3,h4,h5,h6 {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-tertiary);
  line-height: 1.2;
}
p {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--color-gray-dark);
  text-align: justify;
  text-justify: inter-word;
  letter-spacing: 0.02em;
}
ul,ol {
  margin: var(--space-md) 0 var(--space-md) var(--space-lg);
  padding: 0;
  list-style-position: inside;
}
section {
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-lg) auto;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  max-width: 1200px;
  transition: box-shadow var(--transition-medium) ease-in-out;
}
section:hover {
  box-shadow: 0 6px 12px rgba(0,0,0,0.12);
}
section h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-tertiary);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}
section p {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--color-gray-dark);
  text-align: justify;
}
.intro .profile-img {
  display: block;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-lg);
  max-width: 150px;
  transition: transform var(--transition-medium) ease-in-out, box-shadow var(--transition-fast) ease-in-out;
  box-shadow: var(--shadow-medium);
}
.intro .profile-img:hover {
  transform: scale(1.03);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.projects {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}
.projects ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}
.projects li.project-item {
  flex: 1 1 calc(50% - var(--space-lg));
  background: var(--color-gray-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
  padding: var(--space-md);
  max-width: 500px;
  transition: transform var(--transition-fast) ease-in-out, box-shadow var(--transition-fast) ease-in-out;
  text-align: left;
  margin: var(--space-md) 0;
}
.projects li.project-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.projects h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-tertiary);
  text-align: center;
}
.project-title {
  font-size: 1.5em;
  margin-bottom: 10px;
  line-height: 1.3;
  color: var(--color-tertiary);
  font-weight: 700;
}
.projects .project-img {
  display: block;
  margin: var(--space-md) auto;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
  transition: transform var(--transition-fast) ease-in-out;
}
.projects .project-img:hover {
  transform: scale(1.02);
}
.project-description {
  margin: 15px 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-dark);
}
.description-text {
  margin: 10px 0;
  line-height: 1.6;
  font-size: 1em;
  color: var(--color-gray-dark);
}
.project-link a {
  color: #007BFF;
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast) ease-in-out;
}
.project-link a:hover {
  text-decoration: underline;
  color: #0056b3;
}
.web-dev .section-img {
  display: block;
  margin: var(--space-lg) auto;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
  transition: transform var(--transition-medium) ease-in-out;
}
.web-dev .section-img:hover {
  transform: scale(1.02);
}
.skills ul {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0;
}
.skills ul li {
  font-size: 1rem;
  margin: var(--space-sm) 0;
  color: var(--color-gray-dark);
  position: relative;
  padding-left: var(--space-md);
}
.skills ul li::before {
  content: "• ";
  color: var(--color-primary);
  position: absolute;
  left: 0;
  font-size: 1.2rem;
  line-height: 1;
  margin-top: -1px;
}
.contact .section-img {
  display: block;
  margin: var(--space-lg) auto;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
  transition: transform var(--transition-medium) ease-in-out;
}
.contact .section-img:hover {
  transform: scale(1.02);
}
.contact ul {
  list-style: none;
  padding: 0;
  text-align: center;
  margin-top: var(--space-md);
}
.contact ul li {
  font-size: 1rem;
  margin: var(--space-sm) 0;
  color: var(--color-gray-dark);
  display: inline-block;
  width: 100%;
}
.contact a {
  font-weight: bold;
  color: var(--color-primary);
  transition: color var(--transition-fast) ease-in-out, text-decoration var(--transition-fast) ease-in-out;
}
.contact a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}
.project-item {
  margin: 20px 0;
  text-align: left;
}
.project-img {
  max-width: 100%;
  height: auto;
  margin-bottom: 15px;
}
  /* Override paragraph spacing within .project-item */
.project-item p {
  margin: 0.5rem 0;
}


@media (max-width: 1024px) {
  section {
    padding: 15px 20px;
  }
  .projects li.project-item {
    flex: 1 1 calc(50% - 10px);
  }
}
@media (max-width: 768px) {
  body {
    padding: 10px;
  }
  section h2 {
    font-size: 20px;
  }
  section p,
  .skills ul li {
    font-size: 14px;
  }
  .projects li.project-item {
    flex: 1 1 100%;
  }
  .projects .project-img,
  .contact .section-img,
  .web-dev .section-img {
    max-width: 100%;
    height: auto;
  }
}
@media (max-width: 480px) {
  section h2 {
    font-size: 18px;
  }
  section p {
    font-size: 12px;
  }
  .projects li.project-item {
    padding: 10px;
  }
}
@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
.fade-in {
  animation: fadeIn var(--transition-slow) ease-in-out;
}
.hover-transition {
  transition: all var(--transition-medium) ease-in-out;
}
.hover-transition:hover {
  transform: scale(1.02);
  cursor: pointer;
}
.mt-0 {
  margin-top: 0!important;
}
.mt-sm {
  margin-top: var(--space-sm)!important;
}
.mt-md {
  margin-top: var(--space-md)!important;
}
.mt-lg {
  margin-top: var(--space-lg)!important;
}
.mt-xl {
  margin-top: var(--space-xl)!important;
}
.mb-0 {
  margin-bottom: 0!important;
}
.mb-sm {
  margin-bottom: var(--space-sm)!important;
}
.mb-md {
  margin-bottom: var(--space-md)!important;
}
.mb-lg {
  margin-bottom: var(--space-lg)!important;
}
.mb-xl {
  margin-bottom: var(--space-xl)!important;
}
.text-center {
  text-align: center!important;
}
.text-left {
  text-align: left!important;
}
.text-right {
  text-align: right!important;
}
.d-inline {
  display: inline!important;
}
.d-block {
  display: block!important;
}
.dark-mode {
  background-color: #1a1a1a;
  color: #f0f0f0;
}
.dark-mode section {
  background-color: #2c2c2c;
  box-shadow: none;
}
.dark-mode section h2 {
  color: #f0f0f0;
}
.dark-mode p {
  color: #ccc;
}
.dark-mode a {
  color: #76c2ff;
}
.dark-mode a:hover {
  color: #a9e0ff;
}
.dark-mode .projects li.project-item {
  background: #3a3a3a;
}
.dark-mode .skills ul li::before {
  color: #76c2ff;
}