/* styles.css */
:root {
    --neon-pink: #ff00ff;
    --neon-pink-dark: #ff1493;
    --neon-cyan: #00ffff;
    --dark-bg: #0a0a0a;
    --section-bg: rgba(20, 20, 20, 0.95);
    --text-primary: #ffffff;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --skill-gradient: linear-gradient(135deg, var(--neon-pink), var(--neon-pink-dark));
    
    /* Google Theme Colors - Light Mode */
    --google-blue: #4285f4;
    --google-red: #ea4335;
    --google-yellow: #fbbc05;
    --google-green: #34a853;
    
    /* Light Mode Variables */
    --light-bg-primary: #ffffff;
    --light-bg-secondary: #f7f7fa;
    --light-section-bg: #f1f3f4;
    --light-text-primary: #202124;
    --light-text-secondary: #5f6368;
    --light-border: #dadce0;
    
    /* Neon Text Shadows */
    --neon-text-shadow: 0 0 8px;
    --neon-box-shadow: 0 0 15px;
}

/* Light Mode Class for Body */
body.light-mode {
    --dark-bg: var(--light-bg-primary);
    --section-bg: var(--light-section-bg);
    --text-primary: var(--light-text-primary);
    --neon-pink: var(--google-red);
    --neon-cyan: var(--google-blue);
    --neon-pink-dark: var(--google-red);
    --skill-gradient: linear-gradient(135deg, var(--google-blue), var(--google-green));
    --neon-text-shadow: none;
    --neon-box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.loader {
    width: 120px;
    height: 120px;
}

.loader svg {
    width: 100%;
    height: 100%;
}

.loader-circle {
    fill: none;
    stroke-width: 5;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 280;
    transform-origin: 50% 50%;
    animation: loaderSpin 2s ease-in-out infinite, loaderColor 3s ease-in-out infinite;
}

@keyframes loaderSpin {
    0% {
        stroke-dashoffset: 280;
        transform: rotate(0deg);
    }
    50% {
        stroke-dashoffset: 75;
        transform: rotate(180deg);
    }
    100% {
        stroke-dashoffset: 280;
        transform: rotate(360deg);
    }
}

@keyframes loaderColor {
    0%, 100% {
        stroke: var(--neon-cyan);
        filter: drop-shadow(0 0 8px var(--neon-cyan));
    }
    50% {
        stroke: var(--neon-pink);
        filter: drop-shadow(0 0 8px var(--neon-pink));
    }
}

.loading-text {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 2px;
    font-family: 'Montserrat', sans-serif;
    position: relative;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
}

.loading-dots {
    display: inline-block;
    animation: loadingDots 1.5s infinite;
    width: 30px;
}

@keyframes loadingDots {
    0% { content: "."; }
    33% { content: ".."; }
    66% { content: "..."; }
    100% { content: "."; }
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    background: var(--dark-bg);
}

::-webkit-scrollbar-track {
    background: rgba(10, 10, 10, 0.9);
    border-radius: 10px;
}

body.light-mode ::-webkit-scrollbar {
    background: var(--light-bg-secondary);
}

body.light-mode ::-webkit-scrollbar-track {
    background: var(--light-bg-secondary);
}

body.light-mode ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--google-blue), var(--google-green));
    border: 2px solid var(--light-bg-secondary);
    box-shadow: none;
}

body.light-mode ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--google-red), var(--google-blue));
    box-shadow: none;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

#static-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--dark-bg);
    transition: background-color 0.3s ease;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: transparent;
    transition: background-color 0.3s ease;
    min-height: 100vh;
    pointer-events: none;
}

/* Logo */
.logo {
    position: fixed;
    top: 2rem;
    left: 2rem;
    z-index: 1000;
    font-size: 28px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(90deg, #f713ff, #00ffff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
    animation: twinkle 3s ease-in-out infinite alternate;
    transition: text-shadow 0.3s ease;
}

body.light-mode .logo {
    background: linear-gradient(90deg, #0056e1 0%,#ff1500 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: none;
}

/* Navigation */
.nav-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    gap: 0.5rem;
}

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: 2px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 0.8rem;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(5px);
    font-weight: 600;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px var(--neon-cyan);
}

.theme-toggle:hover {
    background: var(--neon-cyan);
    color: var(--dark-bg);
    transform: translateY(-2px) rotate(20deg);
    box-shadow: 0 0 15px var(--neon-cyan);
}

body.light-mode .theme-toggle {
    border-color: var(--google-blue);
    color: var(--google-blue);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

body.light-mode .theme-toggle:hover {
    background: var(--google-blue);
    color: var(--light-bg-primary);
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.2);
}

body.light-mode .theme-toggle i.fa-moon {
    display: none;
}

body.light-mode .theme-toggle i.fa-sun {
    display: block;
}

.theme-toggle i.fa-sun {
    display: none;
}

.nav-btn {
    background: transparent;
    border: 2px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 0.8rem 1.5rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(5px);
    font-weight: 600;
}

.nav-btn:hover {
    background: var(--neon-cyan);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 0 15px var(--neon-cyan);
}

body.light-mode .nav-btn {
    border-color: var(--google-blue);
    color: var(--google-blue);
}

body.light-mode .nav-btn:hover {
    background: var(--google-blue);
    color: var(--light-bg-primary);
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.2);
}

/* Hamburger Menu */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 2000;
    cursor: pointer;
    transition: var(--transition);
}

.hamburger-bar {
    width: 100%;
    height: 3px;
    background: var(--neon-cyan);
    border-radius: 3px;
    transition: var(--transition);
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
}

.hamburger-menu.active .hamburger-bar:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
    background: var(--neon-pink);
    box-shadow: 0 0 8px rgba(255, 0, 255, 0.5);
}

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

.hamburger-menu.active .hamburger-bar:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
    background: var(--neon-pink);
    box-shadow: 0 0 8px rgba(255, 0, 255, 0.5);
}

body.light-mode .hamburger-bar {
    background: var(--google-blue);
    box-shadow: none;
}

body.light-mode .hamburger-menu.active .hamburger-bar:nth-child(1),
body.light-mode .hamburger-menu.active .hamburger-bar:nth-child(3) {
    background: var(--google-red);
    box-shadow: none;
}

/* Hero Section */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
}

.hero-content {
    z-index: 1;
    max-width: 800px;
    padding: 0 2rem;
}

.neon-text {
    font-size: 4rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 2px var(--neon-cyan); /* Reduced glow from 10px to 5px */
    margin-bottom: 1rem;
    font-family: 'Pacifico', cursive;
    letter-spacing: 2px;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.neon-subtext {
    font-size: 2rem;
    color: var(--neon-pink);
    text-shadow: 0 0 8px var(--neon-pink);
    margin-bottom: 2rem;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

body.light-mode .neon-text {
    color: var(--google-blue);
    text-shadow: none;
}

body.light-mode .neon-subtext {
    color: var(--google-red);
    text-shadow: none;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: 2px solid var(--neon-cyan);
    border-radius: 2rem;
    color: var(--neon-cyan);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.3);
}

.btn:hover {
    background: var(--neon-cyan);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: 0 0 20px var(--neon-cyan);
}

body.light-mode .btn {
    border-color: var(--google-blue);
    color: var(--google-blue);
    background: rgba(255, 255, 255, 0.3);
}

body.light-mode .btn:hover {
    background: var(--google-blue);
    color: white;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
}

/* About Section */
#about {
    padding: 5rem 2rem;
    background: var(--section-bg);
    transition: background-color 0.3s ease;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px var(--neon-cyan);
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

body.light-mode .section-title {
    color: var(--google-blue);
    text-shadow: none;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.avatar-container {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
}

.avatar {
    width: 100%;
    border-radius: 1rem;
    border: 3px solid var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.2);
    transition: var(--transition);
}

body.light-mode .avatar {
    border-color: var(--google-blue);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.hover-glow:hover {
    box-shadow: 0 0 30px var(--neon-pink);
}

body.light-mode .hover-glow:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.status-indicator {
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--neon-cyan);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

body.light-mode .status-indicator {
    background: white;
    border-color: var(--google-blue);
    color: var(--light-text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.status-dot {
    width: 10px;
    height: 10px;
    background: #00ff00;
    border-radius: 50%;
}

body.light-mode .status-dot {
    background: var(--google-green);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 255, 0, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(0, 255, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 255, 0, 0); }
}

.timeline {
    margin-top: 2rem;
}

.timeline-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    transition: var(--transition);
    border-left: 3px solid var(--neon-pink);
}

body.light-mode .timeline-item {
    background: rgba(0, 0, 0, 0.03);
    border-left: 3px solid var(--google-red);
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
}

.hover-float:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 0, 255, 0.2);
}

body.light-mode .hover-float:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.timeline-item i {
    font-size: 1.5rem;
    color: var(--neon-cyan);
}

body.light-mode .timeline-item i {
    color: var(--google-blue);
}

/* Projects Section */
#projects {
    padding: 5rem 2rem;
    transition: background-color 0.3s ease;
}

body.light-mode #projects {
    background: var(--light-bg-primary);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: var(--section-bg);
    border-radius: 1rem;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0, 243, 255, 0.2);
    position: relative;
}

body.light-mode .project-card {
    background: white;
    border: 1px solid var(--light-border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    color: var(--neon-cyan);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

body.light-mode .project-content h3 {
    color: var(--google-blue);
}

.tech-stack {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.tech-tag {
    background: var(--neon-pink);
    color: var(--dark-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 0 6px var(--neon-pink);
    margin-bottom: 0.2rem;
    position: relative;
    z-index: 1;
    transition: box-shadow 0.4s, background 0.4s, color 0.4s, transform 0.4s;
    animation: tagFloat 3s ease-in-out infinite;
}

body.light-mode .tech-tag {
    background: var(--google-yellow);
    color: var(--light-text-primary);
    box-shadow: none;
}

.project-card:hover .tech-tag {
    box-shadow: 0 0 16px var(--neon-cyan), 0 0 8px var(--neon-pink);
    background: var(--neon-cyan);
    color: var(--dark-bg);
    transform: scale(1.08) translateY(-2px) rotate(-2deg);
}

body.light-mode .project-card:hover .tech-tag {
    background: var(--google-green);
    color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.view-source-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border: 2px solid var(--neon-pink);
    background-color: transparent;
    color: var(--neon-pink);
    border-radius: 2rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    width: 100%;
    margin-top: 1rem;
}

.view-source-btn:hover {
    background: var(--neon-pink);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--neon-pink);
}

body.light-mode .view-source-btn {
    border-color: var(--google-red);
    color: var(--google-red);
}

body.light-mode .view-source-btn:hover {
    background: var(--google-red);
    color: white;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
}

.ai-tag {
    position: absolute;
    top: 0.7rem;
    right: 0.7rem;
    background: rgba(0,0,0,0.65);
    color: var(--neon-pink);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 1rem;
    padding: 0.18rem 0.7rem 0.18rem 0.5rem;
    box-shadow: 0 0 7px var(--neon-pink);
    z-index: 2;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 0.2rem;
    border: 1px solid var(--neon-pink);
    transition: box-shadow 0.3s, border-color 0.3s, color 0.3s, background 0.3s;
}

.project-card:hover .ai-tag {
    box-shadow: 0 0 12px var(--neon-cyan);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    background: rgba(0,0,0,0.8);
}

body.light-mode .ai-tag {
    background: rgba(255,255,255,0.9);
    color: var(--google-red);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-color: var(--google-red);
}

body.light-mode .project-card:hover .ai-tag {
    border-color: var(--google-blue);
    color: var(--google-blue);
    background: white;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease, filter 0.3s ease;
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
}

.project-card:hover .project-image {
    transform: scale(1.05);
    filter: brightness(1.1);
}

body.light-mode .project-image {
    border-bottom: 1px solid var(--light-border);
}

body.light-mode .project-content p {
    color: var(--light-text-secondary);
}

/* Skills Section */
#skills {
    padding: 5rem 2rem;
    background: var(--section-bg);
}

.skills-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 0, 255, 0.2);
    transition: var(--transition), box-shadow 0.5s cubic-bezier(0.4,0,0.2,1), border-color 0.3s;
    box-shadow: 0 0 6px rgba(255,0,255,0.08);
}

.skill-category:hover {
    box-shadow: 0 0 18px var(--neon-pink), 0 0 20px var(--neon-cyan), 0 4px 16px 0 rgba(255,0,255,0.12);
    border-color: var(--neon-pink);
    z-index: 2;
}

.skill-category h3 {
    color: var(--neon-cyan);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-name {
    color: var(--neon-cyan);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-percent {
    color: var(--neon-pink);
    font-weight: 600;
}

.skill-bar {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--skill-gradient);
    border-radius: 1rem;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--neon-pink);
}

/* Light mode: Make skill boxes white and use neon yellow for accents */
body.light-mode .skill-category {
    background: #fff !important;
    border: 2px solid #bc6700 !important;
    box-shadow: 0 4px 16px rgba(255, 255, 51, 0.08);
}

body.light-mode .skill-bar {
    background: #f3f3f3;
}

body.light-mode .skill-progress {
    background: linear-gradient(90deg, #c902f6 0%, #f63636 100%) !important;
    box-shadow: 0 0 8px #76765f;
}

body.light-mode .skill-category h3 {
    color: #ea4335 !important; /* Google Red for section headings like Programming, AI/ML */
}

body.light-mode .skill-name {
    color: #bc6700 !important; /* Custom orange color for skill names like Python, Java, C++ */
}

/* Contact Section */
#contact {
    padding: 5rem 2rem;
}

.contact-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--neon-cyan);
    z-index: 1;
}

input, textarea {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--neon-cyan);
    border-radius: 0.5rem;
    color: var(--text-primary);
    transition: var(--transition);
    font-family: 'Roboto', sans-serif;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--neon-pink);
    box-shadow: 0 0 15px var(--neon-pink);
}

textarea {
    height: 150px;
    resize: none;
}

.submit-btn {
    background: var(--neon-pink);
    color: var(--dark-bg);
    border: none;
    padding: 1rem 2rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    font-weight: 600;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px var(--neon-pink);
}

.contact-info {
    background: var(--section-bg);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(0, 243, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

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

.info-card i {
    font-size: 2rem;
    color: var(--neon-cyan);
    margin-bottom: 0.5rem;
}

.info-card h4 {
    color: var(--neon-cyan);
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-icon {
    color: var(--neon-cyan);
    font-size: 1.8rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 255, 255, 0.1);
}

.social-icon:hover {
    color: var(--neon-pink);
    transform: translateY(-5px);
    box-shadow: 0 0 20px var(--neon-pink);
}

/* Footer */
footer {
    background: var(--dark-bg);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid rgba(0, 243, 255, 0.2);
}

footer p {
    color: var(--neon-cyan);
    margin-bottom: 0.5rem;
}

#visit-counter {
    font-size: 1rem;
    color: var(--neon-pink);
    font-weight: 600;
}

/* Animations */
.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.fade-in {
    opacity: 0;
    transition: opacity 1s ease-in;
}

.fade-in.visible {
    opacity: 1;
}

.typing-animation {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    border-right: 0.15em solid var(--neon-cyan);
    animation: typing 3.5s steps(30, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--neon-pink); }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--neon-pink);
    color: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1.2rem;
    box-shadow: 0 0 15px var(--neon-pink);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    background: var(--neon-cyan);
    box-shadow: 0 0 20px var(--neon-cyan);
}

/* Congratulation Message */
.congrats-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--neon-pink);
    color: var(--dark-bg);
    padding: 1.5rem 3rem;
    border-radius: 1rem;
    box-shadow: 0 0 30px var(--neon-pink);
    font-weight: 600;
    z-index: 1000;
    animation: fadeInOut 3s ease-in-out forwards;
    text-align: center;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translate(-50%, -40%); }
    20% { opacity: 1; transform: translate(-50%, -50%); }
    80% { opacity: 1; transform: translate(-50%, -50%); }
    100% { opacity: 0; transform: translate(-50%, -60%); }
}

/* Certificates Section */
#certificates {
    padding: 5rem 2rem;
    background: var(--section-bg);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.certificate-card {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 1.5rem;
    overflow: hidden;
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.10); /* reduced glow */
    transition: var(--transition), box-shadow 0.6s cubic-bezier(0.4,0,0.2,1), border-width 0.3s, border-color 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    position: relative;
    min-height: 420px;
}

.certificate-card:hover {
    box-shadow: 0 0 18px var(--neon-pink), 0 0 30px var(--neon-pink); /* subtle, pink glow */
    border-color: var(--neon-pink);
    border-width: 1px; /* thinner border on hover */
    transform: translateY(-4px) scale(1.02); /* more subtle lift */
}

.certificate-image {
    width: 100%;
    height: 260px;
    object-fit: cover;
    border-bottom: 2px solid var(--neon-cyan);
    transition: filter 0.4s, transform 0.4s;
    filter: grayscale(0.2) brightness(0.97) drop-shadow(0 0 4px var(--neon-cyan)); /* reduced glow */
}

.certificate-card:hover .certificate-image {
    filter: grayscale(0) brightness(1.05) drop-shadow(0 0 8px var(--neon-pink)); /* subtle pink glow */
    transform: scale(1.03) rotate(-1deg); /* subtle animation */
}

.certificate-info {
    padding: 1.5rem 1rem 1rem 1rem;
    text-align: center;
}

.certificate-info h3 {
    color: var(--neon-cyan);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 8px var(--neon-cyan);
}

.certificate-info p {
    color: var(--neon-pink);
    font-size: 1rem;
    text-shadow: 0 0 6px var(--neon-pink);
}

body.light-mode .certificate-info h3 {
    color: #fff !important;
    text-shadow: none;
}

body.light-mode .certificate-info p {
    color: #FFFF33 !important;
    text-shadow: none;
}

.certificate-card {
    animation: certFadeIn 0.8s cubic-bezier(0.4,0,0.2,1);
}

@keyframes certFadeIn {
    from { opacity: 0; transform: translateY(30px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Certificate Modal */
#certificate-modal {
  display: none;
  position: fixed;
  z-index: 3000;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  justify-content: center;
  align-items: center;
  background: none;
  transition: opacity 0.3s;
}
#certificate-modal.open {
  display: flex;
  background: rgba(10,10,20,0.85);
  animation: certModalFadeIn 0.3s;
}
@keyframes certModalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.modal-overlay {
  position: absolute;
  width: 100vw;
  height: 100vh;
  left: 0;
  top: 0;
  background: transparent;
  cursor: pointer;
}
.modal-content {
  position: relative;
  z-index: 2;
  background: rgba(20,20,30,0.98);
  border-radius: 1.5rem;
  box-shadow: 0 0 30px var(--neon-pink);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: certZoomIn 0.3s cubic-bezier(0.4,0,0.2,1);
}
@keyframes certZoomIn {
  from { transform: scale(0.85); opacity: 0.5; }
  to { transform: scale(1); opacity: 1; }
}
.modal-certificate-image {
  max-width: 80vw;
  max-height: 70vh;
  border-radius: 1rem;
  border: 2px solid var(--neon-pink);
  box-shadow: 0 0 24px var(--neon-pink);
  background: #111;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--neon-pink);
  color: var(--dark-bg);
  border: none;
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 0 0 10px var(--neon-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.modal-close-btn:hover {
  background: var(--neon-cyan);
  color: var(--dark-bg);
}
@media (max-width: 768px) {
  .modal-certificate-image {
    max-width: 98vw;
    max-height: 45vh;
  }
  .modal-content {
    padding: 0.5rem;
  }
  .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .certificate-card {
        min-height: 320px;
        padding: 0.5rem 0;
    }
    .certificate-image {
        height: 160px;
    }
}

@media (max-width: 480px) {
    #certificates {
        padding: 2.5rem 0.5rem;
    }
    .certificate-info {
        padding: 1rem 0.3rem 0.7rem 0.3rem;
    }
    .certificate-info h3 {
        font-size: 1rem;
    }
    .certificate-info p {
        font-size: 0.92rem;
    }
}

@media (max-width: 900px) {
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    .certificate-card {
        min-height: 260px;
        padding: 0.5rem 0;
        border-radius: 1.1rem;
    }
    .certificate-image {
        height: 120px;
        border-radius: 0 0 1rem 1rem;
    }
    .certificate-info {
        padding: 1rem 0.5rem 0.7rem 0.5rem;
    }
    .certificate-info h3 {
        font-size: 1rem;
    }
    .certificate-info p {
        font-size: 0.9rem;
    }
    .certificate-badge {
        top: 0.7rem;
        left: 0.7rem;
        font-size: 1rem;
        padding: 0.25rem;
    }
    .glass-reflection {
        border-radius: 1.1rem 1.1rem 0 0;
    }
}
@media (max-width: 600px) {
    #certificates {
        padding: 1.5rem 0.2rem;
    }
    .section-title {
        font-size: 1.3rem;
    }
    .section-divider {
        margin-bottom: 0.7rem;
    }
    .section-divider i {
        font-size: 1.3rem;
    }
    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.2rem;
    }
    .certificate-info {
        padding: 0.7rem 0.2rem 0.5rem 0.2rem;
    }
    .certificate-info h3 {
        font-size: 0.92rem;
    }
    .certificate-info p {
        font-size: 0.82rem;
    }
}
/* Smoother transitions and mobile-friendly animations */
.certificate-card, .certificate-image, .certificate-badge, .glass-reflection {
    transition: all 0.5s cubic-bezier(0.4,0,0.2,1), box-shadow 0.6s cubic-bezier(0.4,0,0.2,1), filter 0.4s, transform 0.4s;
}
.certificate-card:active {
    transform: scale(0.98) rotateY(0deg) skewY(0deg);
    box-shadow: 0 0 16px var(--neon-pink), 0 0 30px var(--neon-cyan);
}
.certificate-card:focus-within {
    outline: 2px solid var(--neon-cyan);
    outline-offset: 2px;
}
.certificate-image:active {
    filter: brightness(1.05) drop-shadow(0 0 10px var(--neon-pink));
    transform: scale(0.98);
}
/* Modal mobile improvements */
@media (max-width: 600px) {
    #certificate-modal .modal-content {
        padding: 0.2rem;
        border-radius: 0.7rem;
    }
    #certificate-modal .modal-certificate-image {
        max-width: 98vw;
        max-height: 40vh;
        border-radius: 0.7rem;
    }
    #certificate-modal .modal-close-btn {
        top: 0.3rem;
        right: 0.3rem;
        width: 2rem;
        height: 2rem;
        font-size: 1rem;
    }
}
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .avatar-container {
        margin-bottom: 2rem;
    }

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

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

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

    .contact-info {
        margin-top: 2rem;
    }

    .nav-container {
        top: 1rem;
        right: 1rem;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .nav-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .hamburger-menu {
        display: flex;
    }

    .nav-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 2rem;
        gap: 1.5rem;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--neon-cyan);
        box-shadow: -5px 0 20px rgba(0, 255, 255, 0.2);
        z-index: 1500;
    }

    .nav-container.active {
        right: 0;
    }

    .nav-btn {
        width: 100%;
        text-align: center;
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content h2 {
        font-size: 1.2rem;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

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

    .section-title {
        font-size: 2rem;
    }
    
    .logo {
        font-size: 24px;
        top: 1.5rem;
        left: 1.5rem;
    }
    
    .hamburger-menu {
        top: 1.5rem;
        right: 1.5rem;
    }
}

/* Light mode hero section gradient: blue to yellow to green with transparency for particles */
body.light-mode #hero {
    background: linear-gradient(120deg, rgba(66, 133, 244, 0.3) 0%, rgba(251, 188, 5, 0.4) 60%, rgba(52, 168, 83, 0.3) 100%);
    /* fallback for browsers that don't support gradients */
    background-color: rgba(251, 188, 5, 0.2);
}

/* Optional: make sure text remains readable on the gradient */
body.light-mode .neon-text,
body.light-mode .section-title {
    color: #202124;
    text-shadow: none;
}

/* Light mode: Make skill texts normal yellow, and section headings (AI/ML, Programming) red */
body.light-mode .skill-category h3 {
    color: #ea4335 !important; /* Google Red for section headings */
}

body.light-mode .skill-name {
    color: #fbbc05 !important; /* Google Yellow for skill names */
}

body.light-mode .skill-percent {
    color: #ea4335; /* Keep percentage in Google red for contrast */
}

/* Hidden certificates functionality */
.hidden-certificate {
    display: none;
    opacity: 0;
    transform: translateY(20px);
}

.hidden-certificate.show {
    display: flex;
    animation: slideInFade 0.6s ease-out forwards;
}

@keyframes slideInFade {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* View More Button Container */
.view-more-container {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

/* View More Button Styles */
.view-more-btn {
    background: transparent;
    border: 2px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 1rem 2.5rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    backdrop-filter: blur(5px);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.view-more-btn:hover {
    background: var(--neon-cyan);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: 0 0 25px var(--neon-cyan);
}

.view-more-btn i {
    transition: transform 0.3s ease;
}

.view-more-btn.expanded i {
    transform: rotate(180deg);
}

/* Light mode view more button */
body.light-mode .view-more-btn {
    border-color: var(--google-blue);
    color: var(--google-blue);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body.light-mode .view-more-btn:hover {
    background: var(--google-blue);
    color: white;
    box-shadow: 0 4px 15px rgba(66, 133, 244, 0.3);
}

/* Button loading state */
.view-more-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.view-more-btn.loading .btn-text::after {
    content: "...";
    animation: loadingDots 1s infinite;
}

/* Mobile responsiveness for view more button */
@media (max-width: 768px) {
    .view-more-btn {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
    
    .view-more-container {
        margin-top: 2rem;
    }
}