/* CSS Variables for Theme */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #6c757d;
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-card: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.7);
}

html {
    transition: background-color 0.5s ease;
}

*, *::before, *::after {
    transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

/* ============================================ */
/* PROFESSIONAL TYPOGRAPHY SYSTEM */
/* ============================================ */

/* Font Smoothing for Better Rendering */
html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Global Body Font - Inter */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
}

/* Headings Font - Poppins */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

h1 { font-size: 48px; font-weight: 700; }
h2 { font-size: 32px; font-weight: 600; }
h3 { font-size: 22px; font-weight: 600; }
h4 { font-size: 18px; font-weight: 600; }
h5 { font-size: 16px; font-weight: 600; }
h6 { font-size: 14px; font-weight: 600; }

/* Background overlay */
.modal{
  display: none;   /* add this */
}

/* Popup box */
.modal-content {
  background: #ffffff;
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  width: 90%;
  max-width: 400px;
  animation: fadeIn 0.7s ease;
  box-shadow: 0 0 25px rgba(0,0,0,0.3);
}

.modal-content h2 {
  margin-bottom: 10px;
}

.modal-content p {
  font-size: 15px;
  color: #444;
}

.small {
  font-size: 13px;
  color: gray;
}

/* Button */
#enterBtn {
  margin-top: 20px;
  padding: 12px 22px;
  background: #4CAF50;
  border: none;
  color: white;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

#enterBtn:hover {
  background: #2e8b57;
}

/* Animation */
@keyframes fadeIn {
  from {transform: scale(0.7); opacity: 0;}
  to {transform: scale(1); opacity: 1;}
}

/* Logo and Brand - Poppins */
.logo {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
}

/* Navigation Links - Inter Medium */
.nav-link {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 15px;
}
/*Drag and drop of the profile picture and other images is disabled to prevent accidental dragging and improve user experience. */
img {
  -webkit-user-drag: none;
  user-select: none;
}

/* Paragraphs and Body Text */
p, li, span, a, label, input, textarea, button {
    font-family: 'Inter', sans-serif;
}

p {
    font-size: 16px;
    line-height: 1.7;
}

small {
    font-size: 14px;
}

/* Buttons - Inter */
.btn, button {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
}

/* Responsive Typography - Mobile */
@media (max-width: 768px) {
    h1 { font-size: 34px; }
    h2 { font-size: 26px; }
    h3 { font-size: 20px; }
    h4 { font-size: 17px; }
    p { font-size: 15px; }
    .nav-link { font-size: 14px; }
}

/* ============================================ */
/* END TYPOGRAPHY SYSTEM */
/* ============================================ */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background-color 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
    max-width: 100vw;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 15, 15, 0.95);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.3rem 20px;
}

.logo {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--text-primary);
    min-width: 170px;
    width: 170px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    overflow: hidden;
}

@media (max-width: 768px) {
    .logo {
        min-width: 130px;
        width: 130px;
    }
}

.logo span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
    margin: 0;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.live-clock {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-right: 0.5rem;
}

.clock-time {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-primary);
    font-family: 'Courier New', monospace;
}

.clock-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-social-icons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-social-icons a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    border-radius: 50%;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.nav-social-icons a:hover {
    background: var(--gradient);
    color: white;
    transform: translateY(-2px);
}

.btn-resume-nav {
    background: linear-gradient(135deg, #00FFD1, #00B8A3);
    color: #000;
    padding: 8px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 255, 209, 0.3);
    animation: glow-pulse 2s infinite;
}

.btn-resume-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 209, 0.5);
}

.btn-resume-glow {
    background: linear-gradient(135deg, #00FFD1, #00B8A3);
    color: #000;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 255, 209, 0.4);
    animation: glow-pulse 2s infinite;
    border: 2px solid #00FFD1;
}

.btn-resume-glow:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 255, 209, 0.6);
    background: linear-gradient(135deg, #00B8A3, #00FFD1);
}

@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 5px 20px rgba(0, 255, 209, 0.4);
    }
    50% {
        box-shadow: 0 5px 30px rgba(0, 255, 209, 0.7);
    }
}

/* Perfect circular theme toggle */
.theme-toggle {
    width: 40px;
    height: 40px;

    flex: 0 0 40px;          /* prevents flexbox stretching */
    aspect-ratio: 1 / 1;     /* forces square */

    display: flex;
    align-items: center;
    justify-content: center;

    color: var(--text-primary);
    background: var(--bg-secondary);
    border: none;
    border-radius: 50%;
    padding: 0;

    line-height: 1;
    cursor: pointer;
    transition: all 0.25s ease;
}

/* center icon properly */
.theme-toggle i{
    font-size: 16px;
    margin: 0;
}

/* hover effect */
.theme-toggle:hover {
    background: var(--gradient);
    color: #fff;
    transform: scale(1.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInLeft 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.btn {
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    text-align: center;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--accent-primary);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
}

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

.btn-outline:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease;
}

.hero-profile-pic {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-profile-pic img {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid white;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
}

.open-to-work-badge {
    position: absolute;
    bottom: 20px;
    right: -10px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 3;
    animation: pulse 2s infinite;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.open-to-work-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.6);
}

.open-to-work-badge i {
    font-size: 0.9rem;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(16, 185, 129, 0.6);
    }
}

.hero-blob {
    width: 400px;
    height: 400px;
    background: var(--gradient);
    border-radius: 50%;
    opacity: 0.7;
    position: absolute;
    z-index: 1;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    font-size: 2rem;
    color: var(--accent-primary);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat-item h3 {
    font-size: 2.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Skills Section */
.skills-slider-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.skills-slider {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 1rem 0;
}

.skills-slider::-webkit-scrollbar {
    display: none;
}

.skills-slider .skill-category {
    min-width: 280px;
    flex-shrink: 0;
}

.slider-btn {
    background: var(--gradient);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
    z-index: 10;
}

.slider-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
}

.slider-btn:active {
    transform: scale(0.95);
}

.slider-btn i {
    font-size: 1.2rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

@supports not (display: grid) {
    .skills-grid {
        display: flex;
        flex-wrap: wrap;
    }
    
    .skill-category {
        flex: 1 1 250px;
    }
}

.skill-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.skill-icon {
    font-size: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.skill-category h3 {
    margin-bottom: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.skill-tag {
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Projects Section */
/* ===== Modern Project Showcase ===== */

.projects{
    background:#0a0a0f;
}

.section-title{
    text-align:center;
    margin-bottom:40px;
}

/* grid */
.projects-grid{
    display:grid;
    grid-template-columns:repeat(2, 360px);
    justify-content:center;
    gap:28px;
    max-width:900px;
    margin:0 auto;
}


/* card */
.project-card{
    background:#111118;
    padding:25px;
    border-radius:12px;
    border:1px solid rgba(255,200,80,0.15);
    transition:all .35s ease;
    position:relative;
}

/* hover glow */
.project-card:hover{
    transform:translateY(-8px);
    border:1px solid #ffc857;
    box-shadow:0 0 25px rgba(255,200,80,0.25);
}

/* top row */
.project-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:15px;
}

/* folder icon */
.folder-icon{
    font-size:28px;
    color:#ffc857;
}

/* links */
.project-links a{
    color:#bbb;
    margin-left:12px;
    font-size:18px;
    transition:.2s;
}

.project-links a:hover{
    color:#ffc857;
}

/* title */
.project-card h3{
    font-size:1.25rem;
    margin-bottom:10px;
}

/* description */
.project-description{
    font-size:.92rem;
    color:#b8b8c0;
    line-height:1.5;
    margin-bottom:16px;
}

/* tech stack */
.project-tech{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
}

.project-tech span{
    font-size:.75rem;
    padding:6px 10px;
    border-radius:20px;
    background:#0f0f14;
    color:#d4d4d8;
    border:1px solid rgba(255,200,80,0.2);
}


/* Experience Section */
.timeline {
    position: relative;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--gradient);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -38px;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    border-radius: 50%;
    border: 4px solid var(--bg-primary);
}

.timeline-content {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
}

.timeline-company {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Publications Section */
.publications {
    background: var(--bg-secondary);
}

.publication-card {
    display: flex;
    gap: 2rem;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    max-width: 900px;
    margin: 0 auto;
    transition: var(--transition);
}

.publication-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.publication-icon {
    font-size: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.publication-content h3 {
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.publication-journal {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.publication-details {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.publication-doi {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.publication-doi:hover {
    background: var(--gradient);
    color: white;
}

/* Education Section */
.education {
    background: var(--bg-secondary);
}

.education-certifications-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.education-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.education-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2rem;
    align-items: start;
}

.education-year {
    font-weight: 600;
    color: var(--accent-primary);
    font-size: 1.1rem;
    padding-top: 0.5rem;
}

.education-card {
    display: flex;
    gap: 1.5rem;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.education-icon {
    font-size: 4rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.education-content h3 {
    margin-bottom: 0.5rem;
}

.education-institution {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.education-university {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.education-cgpa {
    color: var(--text-secondary);
}

/* Certifications Sidebar */
.certifications-sidebar {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: sticky;
    top: 100px;
}

.sidebar-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cert-item {
    display: flex;
    gap: 1rem;
    align-items: start;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.cert-item:hover {
    transform: translateX(5px);
}

.cert-item i {
    font-size: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.cert-item h4 {
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.cert-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.contact-link:hover {
    background: var(--gradient);
    color: white;
}

.contact-link i {
    font-size: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-card);
    border: 2px solid var(--bg-secondary);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Footer */
.footer {
    background: var(--bg-card);
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-clock {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-clock i {
    color: var(--accent-primary);
}

.footer-divider {
    color: var(--text-secondary);
    opacity: 0.5;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gradient);
    color: white;
    transform: translateY(-3px);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes blobSquare {
    0%, 100% {
        border-radius: 40px;
        transform: rotate(0deg);
    }
    25% {
        border-radius: 60px 40px;
        transform: rotate(5deg);
    }
    50% {
        border-radius: 40px 60px;
        transform: rotate(-5deg);
    }
    75% {
        border-radius: 50px;
        transform: rotate(3deg);
    }
}

@keyframes blob {
    0%, 100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
    25% {
        border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
    }
    50% {
        border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
    }
    75% {
        border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* Prevent Horizontal Scroll */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

/* Responsive Images */
img {
    max-width: 100%;
    height: auto;
}

/* Mobile First - Base (320px+) */
@media (max-width: 479px) {
    .container {
        padding: 0 1rem;
    }

    .live-clock {
        display: none;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-card);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        padding: 2rem 0;
        gap: 0;
        z-index: 1000;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu li {
        margin: 0;
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--bg-secondary);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: block;
        padding: 0.5rem 1rem;
        font-size: 1.1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-social-icons {
        display: none;
    }

    .btn-resume-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 80px 1rem 2rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-content {
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-typing {
        font-size: 1rem;
    }

    .hero-tagline {
        font-size: 0.95rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
        padding: 14px 24px;
        min-height: 48px;
        font-size: 0.95rem;
    }

    .tech-stack {
        justify-content: center;
        gap: 0.5rem;
    }

    .tech-badge {
        font-size: 0.75rem;
        padding: 0.5rem 0.9rem;
    }

    .hero-profile-pic {
        width: 240px;
        height: 240px;
        margin: 0 auto;
    }

    .hero-profile-pic img {
        width: 200px;
        height: 200px;
    }

    .open-to-work-badge {
        bottom: 10px;
        right: 5px;
        padding: 6px 12px;
        font-size: 0.7rem;
    }

    .hero-blob {
        width: 240px;
        height: 240px;
    }

    .scroll-indicator {
        display: none;
    }

    section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-item {
        padding: 1.5rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .skill-category {
        padding: 1.5rem;
    }

    .skill-description {
        min-height: auto;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .project-content {
        padding: 1.25rem;
    }

    .project-features li {
        font-size: 0.85rem;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-dot {
        left: -28px;
    }

    .publication-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .education-certifications-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .education-item {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .education-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .certifications-sidebar {
        position: static;
    }

    .github-stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .github-stat-card {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .github-calendar-wrapper {
        padding: 0.5rem;
    }

    .contact-intro {
        text-align: left;
    }

    .contact-availability {
        display: flex;
        width: 100%;
        justify-content: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
}

/* 480px - Mobile Landscape */
@media (min-width: 480px) and (max-width: 767px) {
    .live-clock {
        display: none;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-card);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        padding: 2rem 0;
        gap: 0;
        z-index: 1000;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu li {
        margin: 0;
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--bg-secondary);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: block;
        padding: 0.5rem 1rem;
        font-size: 1.1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-social-icons {
        display: none;
    }

    .btn-resume-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .hero-typing {
        font-size: 1.1rem;
    }

    .hero-profile-pic {
        width: 280px;
        height: 280px;
    }

    .hero-profile-pic img {
        width: 240px;
        height: 240px;
    }

    .hero-blob {
        width: 280px;
        height: 280px;
    }

    .open-to-work-badge {
        padding: 7px 14px;
        font-size: 0.75rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 768px - Tablet */
@media (min-width: 768px) and (max-width: 991px) {
    .nav-menu {
        position: static;
        flex-direction: row;
        width: auto;
        padding: 0;
        gap: 1.5rem;
    }

    .hamburger {
        display: none;
    }

    .btn-resume-nav {
        display: inline-flex;
    }

    .hero-container {
        grid-template-columns: 1fr 1fr;
        text-align: left;
        gap: 3rem;
    }

    .hero-content {
        order: 1;
    }

    .hero-image {
        order: 2;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.75rem;
    }

    .hero-typing {
        font-size: 1.4rem;
    }

    .hero-buttons {
        flex-direction: row;
        width: auto;
    }

    .btn {
        width: auto;
    }

    .tech-stack {
        justify-content: flex-start;
    }

    .hero-profile-pic {
        width: 350px;
        height: 350px;
    }

    .hero-profile-pic img {
        width: 300px;
        height: 300px;
    }

    .hero-blob {
        width: 350px;
        height: 350px;
    }

    .open-to-work-badge {
        bottom: 15px;
        right: 10px;
        padding: 8px 18px;
        font-size: 0.8rem;
    }

    .scroll-indicator {
        display: block;
    }

    section {
        padding: 4.5rem 0;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .education-certifications-wrapper {
        grid-template-columns: 2fr 1fr;
    }

    .education-item {
        grid-template-columns: 120px 1fr;
    }

    .education-card {
        flex-direction: row;
        text-align: left;
    }

    .certifications-sidebar {
        position: sticky;
        top: 100px;
    }

    .github-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .github-stat-card {
        flex-direction: row;
        text-align: left;
    }

    .contact-content {
        grid-template-columns: 1fr 1fr;
    }

    .publication-card {
        flex-direction: row;
        text-align: left;
    }
}

/* 992px - Laptop */
@media (min-width: 992px) and (max-width: 1199px) {
    .nav-menu {
        gap: 2rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 2rem;
    }

    .hero-typing {
        font-size: 1.6rem;
    }

    .hero-profile-pic {
        width: 400px;
        height: 400px;
    }

    .hero-profile-pic img {
        width: 350px;
        height: 350px;
    }

    .hero-blob {
        width: 400px;
        height: 400px;
    }

    .open-to-work-badge {
        bottom: 20px;
        right: -10px;
        padding: 8px 20px;
        font-size: 0.85rem;
    }

    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .skill-description {
        min-height: 48px;
    }
}

/* 1200px+ - Large Desktop */
@media (min-width: 1200px) {
    .hero-container {
        gap: 4rem;
    }

    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    section {
        padding: 5rem 0;
    }
}

/* Touch-friendly elements */
button, a.btn, .btn-icon, .contact-link, .theme-toggle, .hamburger {
    min-height: 44px;
    min-width: 44px;
}

/* Fixed Social Sidebar */
.social-sidebar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
}

.social-sidebar.show {
    opacity: 1;
    visibility: visible;
}

.social-sidebar-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-sidebar-link::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--gradient);
    opacity: 0.1;
    transition: all 0.3s ease;
}

.social-sidebar-link:hover::before {
    opacity: 1;
}

.social-sidebar-link:nth-child(1) {
    background: linear-gradient(135deg, #0077b5, #005582);
    color: white;
}

.social-sidebar-link:nth-child(2) {
    background: linear-gradient(135deg, #333, #000);
    color: white;
}

.social-sidebar-link:nth-child(3) {
    background: linear-gradient(135deg, #ea4335, #c5221f);
    color: white;
}

.social-sidebar-link:nth-child(4) {
    background: linear-gradient(135deg, #FFDD00, #FDB813);
    color: #000;
}

.social-sidebar-link:hover {
    transform: scale(1.15) translateX(-5px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.social-sidebar-link i {
    font-size: 1.2rem;
    z-index: 1;
}

.social-sidebar-header {
    display: none;
}

.social-sidebar-divider {
    display: none;
}

/* Hide on mobile */
@media (max-width: 767px) {
    .social-sidebar {
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s, visibility 0.3s;
    }

    .social-sidebar.show {
        opacity: 1;
        visibility: visible;
    }

    .nav-social-icons {
        display: flex;
    }
}


/* ============================================ */
/* NEW SECTIONS STYLES */
/* ============================================ */

/* GitHub Activity Section */
.github-activity {
    background: var(--bg-secondary);
    padding: 100px 0;
}

.github-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.github-stats img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.repos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.repo-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.repo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.repo-card h3 {
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.repo-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.repo-card a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

/* Skills Proof Section */
.skills-proof {
    padding: 100px 0;
}

.proof-table-wrapper {
    overflow-x: auto;
}

.proof-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.proof-table thead {
    background: var(--gradient);
    color: white;
}

.proof-table th,
.proof-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--bg-secondary);
}

.proof-table tbody tr:hover {
    background: var(--bg-secondary);
}

.proof-table a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

.proof-table a:hover {
    text-decoration: underline;
}

/* Blog Section */
.blog {
    background: var(--bg-secondary);
    padding: 100px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.blog-date {
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.blog-card h3 {
    margin-bottom: 1rem;
}

.blog-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.btn-read-more {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-read-more:hover {
    color: var(--accent-secondary);
}

/* Blog Post Page */
.blog-post article {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.blog-post h1 {
    margin-bottom: 0.5rem;
}

.blog-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.blog-post h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.blog-post ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.blog-post li {
    margin-bottom: 0.5rem;
}

/* Developer Journey Timeline */
.dev-journey {
    padding: 100px 0;
}

.journey-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.journey-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--gradient);
}

.journey-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.journey-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.journey-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
    z-index: 2;
}

.journey-content {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    flex: 1;
}

.journey-content h3 {
    margin-bottom: 0.5rem;
    color: var(--accent-primary);
}

.journey-content p {
    color: var(--text-secondary);
}

/* System Design Section */
.system-design {
    background: var(--bg-secondary);
    padding: 100px 0;
}

.architecture-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.arch-block {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    min-width: 100px;
    transition: var(--transition);
}

.arch-block:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.arch-block i {
    font-size: 2rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.arch-block p {
    font-weight: 600;
    font-size: 0.9rem;
}

.arch-arrow {
    font-size: 1.5rem;
    color: var(--accent-primary);
    font-weight: bold;
}

/* Visitor Counter */
.visitor-counter {
    background: var(--bg-secondary);
    padding: 2rem 0;
}

.counter-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: var(--bg-card);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    max-width: 300px;
    margin: 0 auto;
}

.counter-box i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.counter-box span {
    font-weight: 600;
}

/* Responsive Design for New Sections */
@media (max-width: 768px) {
    .github-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .proof-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .proof-table {
        font-size: 0.9rem;
        min-width: 600px;
    }
    
    .proof-table th,
    .proof-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .architecture-diagram {
        flex-direction: column;
    }
    
    .arch-arrow {
        transform: rotate(90deg);
    }
    
    .journey-timeline::before {
        left: 20px;
    }
    
    .journey-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .blog-post article {
        padding: 1.5rem;
    }

    .project-links {
        flex-direction: column;
    }

    .btn-icon {
        width: 100%;
        justify-content: center;
    }
}

/* Tech Stack Badges */
.hero-tagline {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-weight: 500;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: rgba(0, 255, 209, 0.1);
    border: 1px solid rgba(0, 255, 209, 0.3);
    border-radius: 25px;
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tech-badge:hover {
    background: rgba(0, 255, 209, 0.2);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 209, 0.3);
}

.tech-badge i {
    font-size: 1.1rem;
}

.btn i {
    margin-right: 0.5rem;
}

@media (max-width: 968px) {
    .tech-stack {
        justify-content: center;
    }
    
    .hero-tagline {
        font-size: 1.1rem;
    }

    .skills-slider-wrapper {
        flex-direction: column;
    }

    .slider-btn {
        display: none;
    }

    .skills-slider {
        width: 100%;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .tech-badge {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .hero-tagline {
        font-size: 1rem;
    }
}

/* Project Card Enhancements */
.project-description {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-features {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.project-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9rem;
    line-height: 1.5;
}

.project-features li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.project-impact {
    background: rgba(0, 255, 209, 0.05);
    border-left: 3px solid #00FFD1;
    padding: 0.8rem 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: 4px;
}

.project-impact i {
    color: var(--accent-primary);
    margin-right: 0.5rem;
}

/* Technical Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.skill-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    min-height: 48px;
}

@media (max-width: 968px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* Contact Section Enhancements */
.contact-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.contact-availability {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 255, 209, 0.1);
    border: 1px solid rgba(0, 255, 209, 0.3);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.contact-availability i {
    font-size: 1.1rem;
}

.contact-message {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.contact-cta {
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.6;
}

@media (max-width: 968px) {
    .contact-intro {
        text-align: left;
    }
    
    .contact-availability {
        display: flex;
        justify-content: center;
    }
}

/* Typing Animation */
.hero-typing {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
    min-height: 2.5rem;
}

.typing-text {
    color: var(--accent-primary);
}

.typing-cursor {
    color: var(--accent-primary);
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@media (max-width: 968px) {
    .hero-typing {
        font-size: 1.4rem;
    }
}

@media (max-width: 600px) {
    .hero-typing {
        font-size: 1.2rem;
    }
}

/* GitHub Activity Section */
.github-activity {
    background: var(--bg-secondary);
    padding: 100px 0;
}

.github-intro {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: -2rem;
    margin-bottom: 3rem;
}

.github-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.github-stat-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--accent-primary);
}

.github-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-primary);
}

.stat-info h3 {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 0.3rem;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.github-calendar-wrapper {
    display: flex;
    justify-content: center;
    overflow-x: auto;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 3rem;
}

.github-calendar {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

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

.github-cta .btn {
    font-size: 1.1rem;
    padding: 1rem 2rem;
}

@media (max-width: 968px) {
    .github-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .github-stats-wrapper {
        grid-template-columns: 1fr;
    }
    
    .github-stat-card {
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .github-activity {
        padding: 60px 0;
    }
    
    .github-stat-card {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .stat-info h3 {
        font-size: 1.5rem;
    }
    
    .github-calendar-wrapper {
        padding: 0.5rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
}
/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-around;
    padding: 0.75rem 0;
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

[data-theme="dark"] .bottom-nav {
    background: rgba(15, 15, 15, 0.98);
}

.bottom-nav.show {
    transform: translateY(0);
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    min-width: 60px;
}

.bottom-nav-item i {
    font-size: 1.25rem;
}

.bottom-nav-item span {
    font-size: 0.7rem;
    font-weight: 500;
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
    color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

@media (min-width: 769px) {
    .bottom-nav {
        display: none;
    }
}


@media (max-width: 768px) {
    body {
        padding-bottom: 70px;
    }

    .back-to-top {
        right: 16px;
        bottom: 152px;
    }
}

/* ================= PORTFOLIO MODERN OVERRIDES ================= */

/* Project Cards Cleaner UI */
.project-card{
    border-radius: 14px;
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    transition: all 0.25s ease;
    background: var(--bg-card);
}

.project-card:hover{
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

/* Icon Section */
.project-image{
    height: 140px;
    background: linear-gradient(135deg,#667eea,#764ba2);
}

.project-placeholder{
    font-size: 3rem;
    opacity: 0.9;
}

/* Title */
.project-content h3{
    font-size: 1.25rem;
    margin-bottom: 0.4rem;
}

/* Description */
.project-description{
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

/* Feature bullets */
.project-features li{
    font-size: 0.85rem;
    padding: 0.25rem 0;
    line-height: 1.4;
}

/* Tech stack pills */
.project-tech span{
    background: rgba(102,126,234,0.08);
    color: #4f5bd5;
    border-radius: 20px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* GitHub Button */
.btn-icon{
    font-size: 0.85rem;
    padding: 8px 14px;
    border-radius: 8px;
}

.btn-icon:hover{
    transform: translateY(-2px);
}

section{
    padding: 70px 0;
}

.section-title{
    margin-bottom: 2.2rem;
}

:root{
    --shadow: 0 6px 18px rgba(0,0,0,0.08);
    --shadow-hover: 0 12px 30px rgba(0,0,0,0.12);
}

@media(max-width:768px){

.project-card{
    min-width:85%;
}

.hero-title{
    font-size:1.9rem;
}

.hero-subtitle{
    font-size:1.2rem;
}

.hero-description{
    font-size:0.95rem;
}
}

/* ================= SECTION STYLE FIXES ================= */
section {
    position: relative;
    scroll-margin-top: 90px;
    padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.section-title {
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: clamp(1.8rem, 4vw, 3rem);
    text-wrap: balance;
}

.section-title::after {
    width: 72px;
}

.about,
.publications,
.github-activity {
    background: var(--bg-secondary);
}

.skills,
.experience,
.education,
.contact {
    background: var(--bg-primary);
}

.projects {
    background: var(--bg-secondary);
}

.projects .section-title,
.projects .project-card h3,
.projects .project-description {
    color: var(--text-primary);
}

.project-card {
    border: 1px solid rgba(102, 126, 234, 0.16);
    background: var(--bg-card);
}

.project-tech span {
    color: var(--accent-primary);
    border-color: rgba(102, 126, 234, 0.22);
}

[data-theme="dark"] .project-card {
    border-color: rgba(255, 255, 255, 0.12);
}

@media (max-width: 768px) {
    section {
        scroll-margin-top: 80px;
    }
}

/* ================= PROJECT GRID FIT FIX (4 CARDS) ================= */
.projects-grid {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.project-card {
    width: 100%;
    min-width: 0;
}

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

@media (min-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* ================= ACCESSIBILITY IMPROVEMENTS ================= */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

/* ================= SKILLS SECTION COMPACT TWEAK ================= */
.skills .section-title {
    margin-bottom: 2rem;
}

.skills .skills-grid {
    gap: 1.25rem;
}

.skills .skill-category {
    padding: 1.4rem;
}

.skills .skill-icon {
    font-size: 2.4rem;
    margin-bottom: 0.7rem;
}

.skills .skill-category h3 {
    margin-bottom: 0.65rem;
    font-size: 1.08rem;
}

.skills .skill-description {
    margin-bottom: 0.85rem;
    line-height: 1.55;
}

.skills .skill-tags {
    gap: 0.4rem;
}

.skills .skill-tag {
    padding: 0.38rem 0.75rem;
    font-size: 0.82rem;
}

@media (max-width: 768px) {
    .skills .section-title {
        margin-bottom: 1.5rem;
    }

    .skills .skill-category {
        padding: 1.15rem;
    }
}

/* Courses Section */
.courses {
    background: var(--bg-primary);
}

.courses-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 720px;
    margin: -1rem auto 2rem;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.course-card {
    background: var(--bg-card);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 14px;
    padding: 1.2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.course-level {
    width: fit-content;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.28);
    border-radius: 999px;
    padding: 0.2rem 0.65rem;
}

.course-card h3 {
    font-size: 1.1rem;
    margin: 0;
}

.course-description {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.55;
}

.service-points {
    list-style: none;
    margin: 0.2rem 0 0.4rem;
    padding: 0;
    display: grid;
    gap: 0.35rem;
}

.service-points li {
    color: var(--text-secondary);
    font-size: 0.86rem;
    padding-left: 1rem;
    position: relative;
}

.service-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.52rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-primary);
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    margin-top: auto;
}

.course-price {
    font-weight: 700;
    color: var(--text-primary);
}

.btn-course-buy {
    padding: 0.55rem 0.9rem;
    border: none;
    border-radius: 10px;
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    background: var(--gradient);
    color: #fff;
}

.btn-course-buy:hover {
    filter: brightness(1.05);
}

/* Courses Page Navigation */
.course-nav-links {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
    margin: 0;
    padding: 0;
}



/* ============================================
   AUTHENTICATION STYLES
   ============================================ */

/* Auth Section in Navbar */
.auth-section {
    display: flex;
    align-items: center;
    margin-left: 15px;
}

.auth-login-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.auth-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.auth-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 10px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 25px;
}

.auth-user-info img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #667eea;
}

.auth-user-info span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.auth-logout-btn {
    background: transparent;
    border: none;
    color: #667eea;
    cursor: pointer;
    padding: 5px 8px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.auth-logout-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #764ba2;
}

/* Authentication Modal */
.auth-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.auth-modal.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.auth-modal-content {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    max-width: 400px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: none;
    font-size: 24px;
    color: var(--text-color);
    cursor: pointer;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.auth-modal-close:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    transform: rotate(90deg);
}

.auth-modal-content h3 {
    text-align: center;
    margin-bottom: 10px;
    color: var(--text-color);
    font-size: 28px;
}

.auth-modal-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 14px;
}

/* OAuth Buttons */
.oauth-btn {
    width: 100%;
    padding: 14px 20px;
    margin: 10px 0;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.oauth-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.oauth-btn:active {
    transform: translateY(-1px);
}

.google-btn {
    background: #4285f4;
    color: white;
}

.google-btn:hover {
    background: #357ae8;
}

.github-btn {
    background: #24292e;
    color: white;
}

.github-btn:hover {
    background: #1a1e22;
}

/* Responsive */
@media (max-width: 768px) {
    .auth-section {
        margin-left: 10px;
    }
    
    .auth-login-btn {
        padding: 6px 15px;
        font-size: 13px;
    }
    
    .auth-user-info {
        padding: 4px 8px;
    }
    
    .auth-user-info img {
        width: 28px;
        height: 28px;
    }
    
    .auth-user-info span {
        font-size: 13px;
    }
    
    .auth-modal-content {
        padding: 30px 25px;
        max-width: 350px;
    }
    
    .auth-modal-content h3 {
        font-size: 24px;
    }
    
    .oauth-btn {
        padding: 12px 18px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .auth-login-btn span {
        display: none;
    }
    
    .auth-login-btn {
        padding: 8px 12px;
    }
    
    .auth-user-info span {
        display: none;
    }
}