/* ==================== ROOT VARIABLES ==================== */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #6c5ce7;
    --accent-color: #a29bfe;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #6c5ce7 100%);
    --gradient-secondary: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    --dark-bg: #0a0a0f;
    --darker-bg: #060609;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #b8b8b8;
    --text-muted: #808080;
    --border-color: rgba(255, 255, 255, 0.1);
    --glow-color: rgba(0, 212, 255, 0.5);
    --font-primary: 'Rajdhani', sans-serif;
    --font-heading: 'Orbitron', monospace;
}

/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== ANIMATED BACKGROUND ==================== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 20% 80%, rgba(108, 92, 231, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                var(--dark-bg);
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: float 10s infinite ease-in-out;
}

.particle:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.particle:nth-child(2) { top: 70%; left: 80%; animation-delay: 2s; }
.particle:nth-child(3) { top: 40%; left: 10%; animation-delay: 4s; }
.particle:nth-child(4) { top: 80%; left: 60%; animation-delay: 6s; }
.particle:nth-child(5) { top: 30%; left: 90%; animation-delay: 8s; }

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    33% {
        transform: translate(30px, -30px) scale(1.2);
        opacity: 0.8;
    }
    66% {
        transform: translate(-20px, 20px) scale(0.8);
        opacity: 0.6;
    }
}

/* ==================== TYPOGRAPHY ==================== */
.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

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

/* ==================== NAVIGATION ==================== */
.futuristic-nav {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar-brand .brand-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.navbar-nav .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0 0.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.custom-toggler {
    border: none;
    padding: 0;
}

.custom-toggler:focus {
    box-shadow: none;
}

/* ==================== HERO SECTION ==================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 2rem 0;
    position: relative;
}

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

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.typing-text {
    display: inline-block;
    border-right: 3px solid var(--primary-color);
    animation: typing 3s steps(20) 1s both, blink 1s infinite;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 500px;
}

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

/* ==================== PROFILE IMAGE ==================== */
.profile-container {
    animation: slideInRight 1s ease-out;
}

.profile-image-wrapper {
    position: relative;
    display: inline-block;
    border-radius: 50%;
    overflow: hidden;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.profile-image {
    width:100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.profile-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.3;
    z-index: -1;
    animation: pulse 2s infinite;
}

/* ==================== BUTTONS ==================== */
.futuristic-btn {
    background: var(--gradient-primary);
    border: none;
    border-radius: 30px;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.futuristic-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.futuristic-btn:hover::before {
    left: 100%;
}

.futuristic-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--glow-color);
}

.futuristic-btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 30px;
    padding: 10px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.futuristic-btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--glow-color);
}

/* ==================== SCROLL INDICATOR ==================== */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* ==================== SECTIONS ==================== */
.about-section,
.education-section,
.skills-section,
.projects-section,
.contact-section {
    padding: 6rem 0;
}

.about-section {
    background: var(--darker-bg);
}

.skills-section {
    background: var(--darker-bg);
}

.contact-section {
    background: var(--darker-bg);
}

/* ==================== ABOUT SECTION ==================== */
.about-content {
    animation: fadeInUp 1s ease-out;
}

.about-text {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.stats-container {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==================== EDUCATION TIMELINE ==================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 2rem;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 2rem;
}

.timeline-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    position: relative;
    backdrop-filter: blur(10px);
}

.timeline-item:nth-child(odd) .timeline-content::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 20px;
    border: 10px solid transparent;
    border-left: 10px solid var(--card-bg);
}

.timeline-item:nth-child(even) .timeline-content::after {
    content: '';
    position: absolute;
    left: -10px;
    top: 20px;
    border: 10px solid transparent;
    border-right: 10px solid var(--card-bg);
}

.timeline-year {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.timeline-institution {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== SKILLS SECTION ==================== */
.skill-category {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    height: 100%;
}

.category-title {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

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

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

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
}

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

.skill-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    position: relative;
    animation: skillLoad 2s ease-out;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* ==================== TECH STACK ==================== */
.tech-stack {
    margin-top: 4rem;
}

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.tech-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    min-width: 100px;
}

.tech-icon:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--glow-color);
    border-color: var(--primary-color);
}

.tech-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.tech-icon span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

/* ==================== PROJECTS SECTION ==================== */
.project-card {
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.2);
    border-color: var(--primary-color);
}

.featured-project {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(108, 92, 231, 0.1) 100%);
    border: 2px solid var(--primary-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.project-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.live-status {
    color: #00ff88;
}

.live-status i {
    animation: pulse 2s infinite;
}

.project-content {
    padding: 0 2rem 2rem;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.project-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

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

.feature-item i {
    color: var(--primary-color);
}

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

/* ==================== CONTACT SECTION ==================== */
.contact-info {
    margin-bottom: 2rem;
}

.contact-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.contact-details h4 {
    color: var(--text-primary);
    margin-bottom: 0.2rem;
    font-size: 1rem;
}

.contact-details p {
    color: var(--text-secondary);
    margin: 0;
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.futuristic-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    padding: 12px 15px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.futuristic-input:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    color: var(--text-primary);
    outline: none;
}

.futuristic-input::placeholder {
    color: var(--text-muted);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--darker-bg);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-text {
    color: var(--text-muted);
    margin: 0;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--glow-color);
}

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

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

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

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

@keyframes blink {
    50% { border-color: transparent; }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.05);
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes skillLoad {
    from { width: 0; }
    to { width: var(--skill-width, 0%); }
}

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

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 50px !important;
        padding-right: 0 !important;
    }
    
    .timeline-item .timeline-content::after {
        left: -10px !important;
        border-right: 10px solid var(--card-bg) !important;
        border-left: none !important;
    }
    
    .stats-container {
        justify-content: center;
    }
    
    .tech-icons {
        gap: 1rem;
    }
    
    .tech-icon {
        min-width: 80px;
        padding: 1rem;
    }
    
    .tech-icon i {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 3rem;
    }
    
    .about-section,
    .education-section,
    .skills-section,
    .projects-section,
    .contact-section {
        padding: 4rem 0;
    }
    
    .profile-image-wrapper {
        width: 250px;
        height: 250px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .stats-container {
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .project-features {
        grid-template-columns: 1fr;
    }
    
    .project-links {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center !important;
        margin-top: 1rem;
    }
}

@media (max-width: 575px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .navbar-brand .brand-text {
        font-size: 1.2rem;
    }
    
    .timeline-item {
        padding-left: 30px !important;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .tech-icon {
        min-width: 70px;
        padding: 0.8rem;
    }
}

/* ==================== UTILITY CLASSES ==================== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow {
    box-shadow: 0 0 20px var(--glow-color);
}

.backdrop-blur {
    backdrop-filter: blur(10px);
}

.border-gradient {
    border: 2px solid;
    border-image: var(--gradient-primary) 1;
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .bg-animation,
    .particle,
    .navbar,
    .scroll-indicator,
    .contact-form {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .section-title,
    .hero-title {
        color: black !important;
    }
}