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

:root {
    --primary-bg: #0F0F23;
    --secondary-bg: #1A1A3A;
    --accent-purple: #C4B5FD;
    --accent-purple-dark: #A78BFA;
    --text-primary: #FFFFFF;
    --text-secondary: #B8B8CC;
    --card-bg: rgba(196, 181, 253, 0.1);
    --border-color: rgba(196, 181, 253, 0.2);
    --gradient-1: linear-gradient(135deg, #C4B5FD 0%, #A78BFA 50%, #8B5CF6 100%);
    --gradient-2: linear-gradient(45deg, #1A1A3A, #2D1B69);
}

[data-theme="light"] {
    --primary-bg: #FAFAFA;
    --secondary-bg: #FFFFFF;
    --accent-purple: #8B5CF6;
    --accent-purple-dark: #7C3AED;
    --text-primary: #1A1A3A;
    --text-secondary: #666666;
    --card-bg: rgba(139, 92, 246, 0.05);
    --border-color: rgba(139, 92, 246, 0.1);
    --gradient-1: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 50%, #6D28D9 100%);
    --gradient-2: linear-gradient(45deg, #F8FAFC, #E2E8F0);
}

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

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--primary-bg);
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    background: var(--gradient-1);
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite linear;
}

.shape:nth-child(1) {
    width: 80px;
    height: 80px;
    left: 10%;
    animation-delay: 0s;
}

.shape:nth-child(2) {
    width: 60px;
    height: 60px;
    left: 20%;
    animation-delay: 5s;
}

.shape:nth-child(3) {
    width: 100px;
    height: 100px;
    left: 80%;
    animation-delay: 10s;
}

.shape:nth-child(4) {
    width: 40px;
    height: 40px;
    left: 70%;
    animation-delay: 15s;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
    }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 35, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

[data-theme="light"] nav {
    background: rgba(255, 255, 255, 0.9);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--accent-purple);
    transform: rotate(360deg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 2rem;
    position: relative;
}

.hero-content {
    width: 1200px;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: slideInLeft 1s ease-out;
}

.hero-text .subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    animation: slideInLeft 1s ease-out 0.2s both;
}

.hero-text .description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    animation: slideInLeft 1s ease-out 0.4s both;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    animation: slideInLeft 1s ease-out 0.6s both;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(196, 181, 253, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-purple);
    padding: 1rem 2rem;
    border: 2px solid var(--accent-purple);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}

.btn-secondary:hover {
    background: var(--accent-purple);
    color: var(--primary-bg);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(196, 181, 253, 0.3);

}

.btn-icon {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
}

.hero-image {
    position: relative;
    animation: slideInRight 1s ease-out 0.3s both;
}

.profile-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.profile-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(196, 181, 253, 0.2);
}

.profile-pic {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    background: var(--gradient-1);
    padding: 4px;
}

.profile-pic img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

/* Section Styles */
.section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.about-visual {
    position: relative;
    height: 400px;
    background: var(--gradient-2);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-animation {
    font-family: 'Monaco', monospace;
    color: var(--accent-purple);
    font-size: 0.9rem;
    line-height: 1.6;
    animation: typewriter 4s steps(40) infinite;
}

@keyframes typewriter {

    0%,
    100% {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(196, 181, 253, 0.15);
}

.skill-category h3 {
    color: var(--accent-purple);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--gradient-1);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(196, 181, 253, 0.2);
}

.project-image {
    min-height: 200px;
    position: relative;
    overflow: hidden;
    background: var(--gradient-2);
    display: flex;
    justify-content: center;
    align-items: center;
}

.project-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    /* keeps whole image visible */
    z-index: 1;
    /* above gradient */
}


.project-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.project-desc {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tech-tag {
    background: rgba(196, 181, 253, 0.2);
    color: var(--accent-purple);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

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

.project-link {
    color: var(--accent-purple);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--accent-purple-dark);
    transform: translateX(5px);
}

/* Experience Timeline */
.timeline {
    position: relative;
    margin-top: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-1);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    width: 45%;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(196, 181, 253, 0.15);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 2rem;
    width: 20px;
    height: 20px;
    background: var(--gradient-1);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(196, 181, 253, 0.5);
}

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

.timeline-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}


.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(196, 181, 253, 0.15);
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: rgba(196, 181, 253, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 20px rgba(196, 181, 253, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 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);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

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

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

    .timeline::before {
        left: 2rem;
    }

    .timeline-content {
        width: calc(100% - 4rem);
        margin-left: 4rem;
    }

    .timeline-item:nth-child(even) {
        flex-direction: row;
    }

    .timeline-dot {
        left: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Stats Counter */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.stat-item {
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(196, 181, 253, 0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: 0.5rem;
}

#form-message {
    background: #fff;
    color: #000;
    max-width: 500px;
    margin: 1rem 0 0 0;
    padding: 1.5rem;
    border-radius: 10px;
    font-size: 1rem;
    line-height: 1.5;
    text-align: left;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s ease;
}

#form-message.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

#form-message::before {
    content: "✅ ";
    font-size: 1.2rem;
}

@media (max-width: 768px) {

    #form-message {
        margin: 1rem auto 0;
        text-align: center;
        padding: 1rem;
    }
}

@media (max-width: 480px) {

    #form-message {
        font-size: 0.95rem;
        padding: 1rem;
    }
}

.hidden {
    display: none;
}

/* Tech Stack Section */
.tech-stack {
   margin: 4rem 0 0 0;
   overflow: hidden;
   position: relative;
}

.slider {
   position: relative;
   width: 100%;
   display: flex;
   align-items: center;
   overflow: hidden;
   margin-bottom: 2rem;
   mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
   -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.slide-track {
   display: flex;
   width: calc(100px * 27);
   animation: scroll 25s linear infinite;
}

@keyframes scroll {
   0% {
       transform: translateX(0);
   }
   100% {
       transform: translateX(calc(-130px * 14));
   }
}

.slide {
   width: 100px;
   display: flex;
   align-items: center;
   justify-content: center;
   padding: 0 1rem;
}

.slide-track:hover {
   animation-play-state: paused;
}

.card-tech {
   width: 90px;
   height: 80px;
   display: flex;
   justify-content: center;
   align-items: center;
   backdrop-filter: blur(20px);
   transition: all 0.3s ease;
   position: relative;
   overflow: hidden;
}

.card-tech::before {
   content: '';
   position: absolute;
   top: 0;
   left: -100%;
   width: 100%;
   height: 100%;
   transition: left 0.6s ease;
}

.card-tech:hover::before {
   left: 100%;
}

.card-tech:hover {
   transform: translateY(-8px) scale(1.05);
}

.big-size {
   width: 90px;
   height: 90px;
}

.team-picture {
   width: 45px;
   height: 45px;
   transition: all 0.3s ease;
}

.card-tech:hover .team-picture {
   transform: scale(1.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
   .slide-track {
       width: calc(100px * 27);
       animation: scroll 20s linear infinite;
   }
   
   @keyframes scroll {
       0% { transform: translateX(0); }
       100% { transform: translateX(calc(-150px * 14)); }
   }
   
}