:root {
 
  --text-color: #0D1B2A;
  --link-color: #1B263B;
  --options-text-color:#121212;
  --hero-text:#121212;

  --bg-color: #E0E1DD;
  --gradient-bg: #f0f2ec;


  --accent-color: #A6B1A6;

 
  --border-color: #121212;
  --hover-shadow: 0 5px 10px rgb(204, 204, 210);
  --hover-bg-color: #ffffff;


  --button-bg: #121212;
  --button-text: #ffffff;


  --progress-fill: #ffffff;
  --progress-tooltip-bg: #121212;
  --progress-tooltip-text: #ffffff;


  --hover-color:white;
  --card-bg: white;
}
html[data-theme="dark"] {
  --card-bg: #EDEDED;
  --text-color: #0D1B2A;
  --border-color: #121212;
  --bg-color: #121212;
  --progress-tooltip-bg: #EDEDED;
  --hero-text: #EDEDED;
  --button-bg: #EDEDED;
  --button-text: #121212;
  --hero-text: white;
}

html[data-theme="dark"] .theme-icon {
  color: #fff;
}

html[data-theme="midnight"] {
  --card-bg: #273469;
  --text-color: #fafaff;
  --border-color: #e4d9ff;
  --bg-color: #273469;
  --progress-tooltip-bg: #e4d9ff;
  --hover-color: none;
  --options-text-color: white;
  --hero-text: white;
  --button-bg: #fafaff;
  --button-text: #273469;
}

html[data-theme="midnight"] .theme-icon {
  color: #fff;
}

html[data-theme="cyberdusk"] {
  --card-bg: #3c6e71;
  --text-color: #FFD900;
  --border-color: #d9d9d9;
  --bg-color: #3c6e71;
  --accent-color: #227EFF;
  --hero-text: #FFD900;
  --progress-tooltip-bg: #d9d9d9;
  --options-text-color: #FFD900;
  --button-bg: #FFD900;
  --button-text: #3c6e71;
}

html[data-theme="cyberdusk"] .theme-icon {
  color: #d9d9d9;
}

html[data-theme="tech"] {
  --card-bg: #068da8;
  --text-color: #fd77ad;
  --border-color: #068da8;
  --bg-color: #2d2a01;
  --accent-color: #227EFF;
  --hero-text: #068da8;
  --progress-tooltip-bg: #d9d9d9;
  --options-text-color: #fd77ad;
  --button-bg: #fd77ad;
  --button-text: #2d2a01;
}

.theme-icon {
  transition: color 0.3s ease;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  width: 40px;
  margin-top: 10px;
  margin-right: 10px;
  margin-bottom: 10px;
  background-color: var(--bg-color);
  color: var(--text-color);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.theme-toggle:hover { transform: translateY(-6px); }
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  
}
html, body{
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

body {
  max-width: 1400px;
  font-family: "Instrument Sans", sans-serif;
  background-color: var(--bg-color);
  margin: 0 auto;
  overflow-x: hidden;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  color: var(--text-color);
  width: 100%;
  height:100%;


}




.projects .group {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  animation: popIn 1s ease-out forwards;
}

.projects h2 {
  text-align: center;
  font-size: 40px;
  margin-bottom: 50px;
  padding: 10px;
  margin-top: 40px;
  animation: popIn 0.75s ease-out forwards;
  color: var(--hero-text);
}


.projects .group .project-1,
.projects .group .project-2,
.projects .group .project-3 {
  align-items: stretch;
}

/* Modern project card */
.project-card {
  display: flex;
  flex-direction: column;
  width: 340px;
  min-height: 360px;
  padding: 16px;
  margin: 12px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: var(--card-bg);
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  color: var(--text-color);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 600ms ease forwards;
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 14px;
  background: radial-gradient(1200px 1200px at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.12), transparent 40%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 28px rgba(0,0,0,0.18);
  border-color: color-mix(in srgb, var(--border-color) 80%, transparent);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card h3 {
  margin-bottom: 10px;
  color: var(--text-color);
}

/* no image in text-first variant */

.project-card .projectContent,
.project-card .proj2content {
  flex: 1 1 auto;
  color: var(--text-color);
  line-height: 1.5;
}

.project-card .paper-button-wrapper {
  margin-top: 16px;
}

/* Tag chips */
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-color);
  background: transparent;
}

/* Stagger animation */
.projects .group > .project-card:nth-child(1) { animation-delay: 0ms; }
.projects .group > .project-card:nth-child(2) { animation-delay: 120ms; }
.projects .group > .project-card:nth-child(3) { animation-delay: 240ms; }

/* Actions pinned to bottom for symmetry */
.project-actions {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.project-actions .paper-links {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.projects .group h3 {
  margin-bottom: 30px;
  color: var(--text-color);
  animation: popIn 0.75s ease-out forwards;
}

.projects .group .project-3 .view-paper {
  margin-right: 100px;
  margin-top: 50px;
  padding: 8px 16px;
  background-color: var(--button-bg);
  color: var(--button-text);
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  
}

.github-logo-projects {
  font-size: 35px;
  color: var(--text-color);
  text-decoration: none;
  margin-top: 50px;
}

.paper-button-wrapper {
  margin-top: 12px;
}

.paper-button-wrapper .paper-links {
  display: flex;
  align-items: center;
  gap: 12px;
}
.pg-text,
.projectLink,
.resume {
  background-color: var(--button-bg);
  color: var(--button-text);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}
.pg-text {
  margin-left: 94vh;
  margin-top: 50px;
  padding: 8px 16px;
  height: 45px;
}

.projectLink {
  margin-top: 47px;
  height: 30px;
  width: 50px;
}

.resume {
  font-size: 20px;
  font-weight: 600;
  height: 40px;
  width: 130px;
}

/* default image sizing overridden in .project-card */
.project-image{
  width: 90%;
  max-width: 500px;
  border-radius: 12px;
  margin: 10px 0;
  height: 250px;
  margin-left: 17px;
}
.back {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 50px;
  margin-top: 30px;
}

.backbutton{
  height: 36px;
  width: 36px;
  background-color: var(--bg-color);
  color: var(--text-color);
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.clean-slider {
  width: 500px;
  overflow: hidden;
  background-color: #0d0d0d;
  padding: 10px 0;
  border-radius: 8px;
  margin-left: 500px;
}

.slider-text {
  white-space: nowrap;
  display: inline-block;
  animation: scrollText 12s linear infinite;
  font-size: 1rem;
  font-weight: bold;
  color: #ffffff;
  /* padding-left: 100%; */
}

@keyframes scrollText {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}

@keyframes popIn {
  0% {
    opacity: 0;
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(14px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}