:root {
    --font-family: 'Roboto', sans-serif;
    --bg-color: #0d1117;
    --card-bg: #131b2a;
    --navbar-bg: #0d1421;
    --form-bg: #162032;
    --text-color: #e0e6ed;
    /* --text-color: #3B82F6; */
    --footer-color: #8899aa;
    --accent-color: #1f6feb;
    --highlight-color: #d63384;
    --border-color: #30363d;
    --form-border-radius: 6px;
    --max-width: 900px;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family);
}


/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--navbar-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.navbar .nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.navbar .nav-links li a {
    color: #3B82F6;
    text-decoration: none;
    transition: color var(--transition-speed);
    transition: all 0.3s ease;
}

.navbar .nav-links li a:hover {
    color: var(--accent-color);
}

.theme-btn{
    position: relative;
    right: 32%;
}

/* From Uiverse.io by JkHuger */ 
.toggle-checkbox {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
  }
  
  .toggle-slot {
    font-size: 10px;
    position: relative;
    height: 3.5em;
    width: 7em;
    border: 0px solid transparent;
    border-radius: 10em;
    background-color: white;
    transition: background-color 250ms;
  }
  
  .toggle-checkbox:checked ~ .toggle-slot {
    background-color: #374151;
  }
  
  .toggle-button {
    transform: translate(0.3em, 0.25em);
    position: absolute;
    height: 3em;
    width: 3em;
    border-radius: 50%;
    background-color: #485367;
    box-shadow: inset 0px 0px 0px 0.75em white;
    /* background-color: #ffeccf;
    box-shadow: inset 0px 0px 0px 0.75em #ffbb52; */
    transition: background-color 250ms, border-color 250ms, transform 500ms cubic-bezier(.26,2,.46,.71);
  }
  
  .toggle-checkbox:checked ~ .toggle-slot .toggle-button {
    background-color: #ffeccf;
    box-shadow: inset 0px 0px 0px 0.75em #485367;
    background-color: #485367;
    box-shadow: inset 0px 0px 0px 0.75em white;
    transform: translate(3.65em, 0.25em);
  }
  
  .sun-icon {
    position: absolute;
    height: 6em;
    width: 6em;
    color: #ffbb52;
  }
  
  .sun-icon-wrapper {
    position: absolute;
    height: 6em;
    width: 6em;
    opacity: 1;
    transform: translate(3em, 2em) rotate(0deg);
    transform-origin: 50% 50%;
    transition: opacity 500ms, transform 150ms cubic-bezier(.26,2,.46,.71);
  }
  
  .toggle-checkbox:checked ~ .toggle-slot .sun-icon-wrapper {
    opacity: 0;
    transform: translate(2em, 2em) rotate(15deg);
  }
  
  .moon-icon {
    position: absolute;
    height: 6em;
    width: 6em;
    color: white;
  }
  
  .moon-icon-wrapper {
    position: absolute;
    height: 6em;
    width: 6em;
    opacity: 0;
    transform: translate(2em, 2em) rotate(0deg);
    transform-origin: 50% 50%;
    transition: opacity 500ms, transform 150ms cubic-bezier(.26,2.5,.46,.71);
  }
  
  .toggle-checkbox:checked ~ .toggle-slot .moon-icon-wrapper {
    opacity: 1;
    transform: translate(11em, 2em) rotate(-15deg);
  }

/* intro section */
.intro {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* background */

#particles-js canvas {
    filter: drop-shadow(0 0 6px #1f6feb) drop-shadow(0 0 8px rgba(3, 70, 255, 0.4)) drop-shadow(0 0 5px rgba(89, 3, 250, 0.3));
}

.intro-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.intro-text h1 {
    font-size: 2rem;
    color: white;
}

.intro-image img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
    object-fit: cover;
    position: sticky;
    top: 120px;
}

/* About Section */
.about-section,
#experience,
#skills,
#education,
#projects {
    padding: 4rem 2rem;
    max-width: var(--max-width);
    margin: auto;
}

/* download Resume CV  */
 /* From Uiverse.io by vinodjangid07 */ 
.Download-button {
    display: flex;
    align-items: center;
    font-family: inherit;
    font-weight: 500;
    font-size: 17px;
    padding: 12px 20px;
    color: white;
    background: rgb(103, 92, 156);
    border: none;
    box-shadow: 0 0.7em 1.5em -0.5em rgba(59, 48, 78, 0.527);
    letter-spacing: 0.05em;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
  }
  
  .Download-button svg {
    margin-right: 8px;
    width: 25px;
  }
  
  .Download-button:hover {
    box-shadow: 0 0.5em 1.5em -0.5em rgba(88, 71, 116, 0.627);
  }
  
  .Download-button:active {
    box-shadow: 0 0.3em 1em -0.5em rgba(88, 71, 116, 0.627);
  }
  
  .Download-button::before {
    content: "";
    width: 4px;
    height: 40%;
    background-color: white;
    position: absolute;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    left: 0;
    transition: all 0.2s;
  }
  
  .Download-button::after {
    content: "";
    width: 4px;
    height: 40%;
    background-color: white;
    position: absolute;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
    right: 0;
    transition: all 0.2s;
  }
  
  .Download-button:hover::before,
  .Download-button:hover::after {
    height: 60%;
  }
  



/* education & experience */
.timeline-section {
    padding: 4rem 2rem;

}

.timeline {
    border-left: 3px solid var(--accent-color);
    padding-left: 40px;
    position: relative;
    margin: 2rem 0;

}

.timeline-item {
    margin-bottom: 2rem;
    position: relative;
    padding-left: 40px;
}

.timeline-item::before {
    content: "";
    position: absolute;
    top: 4px;
    left: -52.5px;
    width: 18px;
    height: 18px;
    background: var(--highlight-color);
    border-radius: 50%;
    border: 2px solid white;
    z-index: 2;
}

.timeline-item::after {
    content: "";
    position: absolute;
    top: 14px;
    left: -35px;
    width: 56px;
    height: 2px;
    background-color: var(--accent-color);
    z-index: 1;
}

.timeline-item h3 {
    margin-bottom: 0.2rem;
    color: var(--accent-color);
}

/* Skills */
.skills-section {
    padding: 4rem 2rem;
    text-align: center;
}

/* project section */
/* Modern Project Cards Styling */
.projects-section {
  padding: 4rem 2rem;
  background-color: var(--bg-color);
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.projects-section h2 {
  color: var(--accent-color);
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}

.projects-section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), var(--highlight-color));
  border-radius: 2px;
}

/* Project Card */
.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  background: var(--card-bg);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  margin-bottom: 40px;
  border: 1px solid var(--border-color);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--accent-color);
}

/* Project Image */
.project-image {
  position: relative;
  overflow: hidden;
  height: 100%;
  min-height: 280px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

/* Project Content */
.project-content {
  padding: 30px 30px 30px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
}

.project-content h3 {
  font-size: 1.8rem;
  color: var(--accent-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.project-description {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-color);
  margin-bottom: 20px;
  opacity: 0.9;
}

/* Tech Stack Tags */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 25px;
}

.tech-tag {
  background: linear-gradient(135deg, var(--accent-color)15, var(--highlight-color)15);
  color: var(--accent-color);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--accent-color);
  transition: all 0.3s ease;
}

.tech-tag:hover {
  background: var(--accent-color);
  color: #fff;
  transform: translateY(-2px);
}

/* Project Buttons */
.project-card .project-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.project-card .btn-live,
.project-card .btn-code {
  padding: 10px 25px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.project-card .btn-live {
  background: linear-gradient(135deg, var(--accent-color), var(--highlight-color));
  color: white;
  box-shadow: 0 4px 15px rgba(31, 111, 235, 0.3);
}

.project-card .btn-code {
  background: transparent;
  color: var(--text-color);
  border: 2px solid var(--accent-color);
}

.project-card .btn-live:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(31, 111, 235, 0.4);
}

.project-card .btn-code:hover {
  background: linear-gradient(135deg, var(--accent-color), var(--highlight-color));
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
}

/* Remove old project styles */
.projects-section .project {
  display: none; /* Hide old project cards */
}

/* Responsive Design */
@media (max-width: 992px) {
  .project-card {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .project-content {
    padding: 30px;
  }
  
  .project-image {
    min-height: 250px;
  }
  
  .projects-section h2 {
    font-size: 2rem;
  }
  
  .project-content h3 {
    font-size: 1.5rem;
  }
  
  .project-card .project-buttons {
    gap: 12px;
  }
  
  .project-card .btn-live,
  .project-card .btn-code {
    padding: 8px 20px;
    font-size: 0.9rem;
  }
}

@media (max-width: 576px) {
  .project-card .project-buttons {
    flex-direction: column;
  }
  
  .project-card .btn-live,
  .project-card .btn-code {
    width: 100%;
    justify-content: center;
  }
  
  .tech-stack {
    justify-content: center;
  }
  
  .project-content {
    text-align: center;
  }
  
  .project-card .project-buttons {
    justify-content: center;
  }
}

/* For alternating layout (optional - if you want images on alternating sides) */
.project-card:nth-child(even) {
  direction: rtl;
}

.project-card:nth-child(even) .project-content {
  direction: ltr;
  padding: 30px 0 30px 30px;
}

@media (max-width: 992px) {
  .project-card:nth-child(even) {
    direction: ltr;
  }
  
  .project-card:nth-child(even) .project-content {
    padding: 30px;
  }
}

/* Contact */
.contact-section {
    padding: 5rem 2rem;
    text-align: center;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.contact-section h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    clear: var(--accent-color);
}

.contact-subtitle {
    font-size: 1rem;
    margin-bottom: 2rem;
    color: var(--footer-color);
}

.contact-section form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    max-width: 600px;
    margin: auto;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--form-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--form-border-radius);
    color: var(--text-color);
    font-size: 1rem;
    transition: border 0.3s ease, box-shadow 0.3s ease;
}

.input-group input:focus,
.input-group textarea:focus {
    border: 1px solid var(--accent-color);
    outline: none;
    box-shadow: 0 0 8px rgba(78, 168, 222, 0.4);
}

.contact-section button {
    padding: 1rem;
    font-weight: bold;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--accent-color), var(--highlight-color));
    color: white;
    border: none;
    border-radius: var(--form-border-radius);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;

}

.contact-section button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 76, 96, 0.2);
}

/* footer */
footer {
    background-color: var(--navbar-bg);
    color: var(--footer-color);
    text-align: center;
    padding: 20px 0;
    font-family: var(--font-family);
    border-top: 1px solid var(--border-color);
}

footer p {
    margin-bottom: 10px;
    font-size: 16px;
}

footer .brand {
    color: var(--accent-color);
    font-weight: bold;
    letter-spacing: 0.5px;
    cursor: pointer;
}

.socials {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 10px;
}

.socials a {
    color: #ffffffcc;
    background: #1f2b3e;
    padding: 10px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    text-decoration: none;
}

.socials a:hover {
    color: #fff;
    background-color: var(--highlight-color);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 76, 96, 0.5);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    height: 3px;
    width: 25px;
    background: var(--text-color);
    border-radius: 5px;
    transition: all var(--transition-speed) ease;
}

.nav-links {
    transition: transform var(--transition-speed) ease, opacity var(--transition-speed) ease;
}

/* Responsive  */
@media (max-width:992px) {
    .hamburger {
        display: flex;
    }

    .theme-btn{
        position: relative;
        right: 0%;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--navbar-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem;
        gap: 1.5rem;
        z-index: 999;
        opacity: 0;
        transform: translateX(-100%);
    }

    .nav-links.active {
        left: 0;
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links li a {
        font-size: 1.2rem;
        color: var(--text-color);
        transition: all var(--transition-speed) ease;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .intro {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1rem;
    }

    .navbar .nav-links {
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
    }

    .intro-image img {
        position: relative;
        top: auto;
        width: 180px;
        height: 180px;
        margin-top: 2rem;
    }

    .contact-section form {
        padding: 0 1rem;
    }
}

/* theme mode  */

/* for light  */
.light {
    background-color: #e8e8e8;
    color: #0d1117;
    line-height: 1.6;
    
}

.navbar2 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--navbar-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.intro-text{
    color: var(--footer-color);
    font-size: 1rem;
}
.intro-text2{
    color: #0d1117;
    font-size: 1.3rem;
}

.projects-section2 {
    padding: 4rem 2rem;
    background-color: var(--text-color);
    text-align: center;
}

.contact-section2 {
    padding: 5rem 2rem;
    text-align: center;
    background-color: var(--text-color);
    color: var(--bg-color);
}


/* for dark  */

.dark {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}


/* new skill styling  */
/* ----- Skill cards layout (adjust to your layout) ----- */
.skills-grid {
  margin-top: 5%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  align-items: start;
}

/* card */
@media (min-width: 640px) {
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
    
}
.skill-card {
  /* background: #fff; */
  /* border-radius: 16px; */
  padding: 1.25rem;
  text-align: center;
  /* box-shadow: 0 6px 18px rgba(2,6,23,0.06); */
}

/* the rounded square that holds the logo */
.icon-wrap {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.6rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  /* example gradients — customize per-card below if you want */
  background: linear-gradient(135deg, #60a5fa, #facc15); /* default */
  box-shadow: 0 6px 18px rgba(2,6,23,0.06);
}

/* make sure external SVGs render as images (do not get recolored by global svg rules) */
.skill-card img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

/* Reset any global svg fill/color that might be breaking logos */
.skills-section .skill-card svg,
.skills-section .skill-card img {
  color: initial !important;
  fill: initial !important;
}

/* small title + badge */
.skill-card h3 {
  font-size: 0.95rem;
  margin: 0.1rem 0 0.1rem;
}

/* .skill-badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  border-radius: 999px;
  background: rgba(59,130,246,0.08);
  color: #1e40af;
} */



/* for code preview  */

/* Code preview styling for backend projects */
.project-card.backend-project .project-image {
  background: #1e1e1e; /* VS Code dark theme background */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  min-height: 280px;
}

.code-snippet {
  width: 100%;
  max-width: 500px;
  background: #252526;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-left: 4px solid var(--accent-color);
  overflow-x: auto;
}

.code-snippet pre {
  margin: 0;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #d4d4d4;
}

/* Optional: Add animation */
.project-card.backend-project:hover .code-snippet {
  transform: scale(1.02);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
  transition: all 0.3s ease;
}

@media (max-width: 992px) {
  .project-card.backend-project .project-image {
    min-height: 200px;
    padding: 15px;
  }
  
  .code-snippet {
    padding: 15px;
    font-size: 0.75rem;
  }
}