/* Variables */
:root {
    /* Colors (Dark Theme - Default) */
    --bg-dark: #050505;
    --bg-darker: #020202;
    --text-main: #f8f8f8;
    --text-muted: #a0a0a0;
    --accent-primary: #6B46C1;
    --accent-secondary: #00E5FF;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --form-bg: rgba(255, 255, 255, 0.02);
    --form-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-main: 'Outfit', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.light-theme {
    --bg-dark: #f8f9fa;
    --bg-darker: #e9ecef;
    --text-main: #121212;
    --text-muted: #555555;
    --accent-primary: #6B46C1;
    --accent-secondary: #00b4d8;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --form-bg: rgba(255, 255, 255, 0.8);
    --form-border: rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
    transition: background-color var(--transition-medium), color var(--transition-medium);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 100px 0;
}

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

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

.w-100 {
    width: 100%;
}

.mt-4 {
    margin-top: 2rem;
}

/* Custom Cursor */
.cursor {
    width: 8px;
    height: 8px;
    background-color: var(--text-main);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, width 0.2s ease, height 0.2s ease;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid var(--glass-border);
    background-color: rgba(255, 255, 255, 0.02);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, background-color 0.3s ease;
}

.light-theme .cursor-follower {
    background-color: rgba(0, 0, 0, 0.02);
}

body:hover .cursor.hover {
    width: 0;
    height: 0;
}

body:hover .cursor-follower.hover {
    width: 60px;
    height: 60px;
    background-color: var(--glass-bg);
    backdrop-filter: blur(2px);
    border-color: var(--accent-secondary);
}

/* Typography & Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
}

.text-center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.text-gradient {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary, .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition-medium);
    cursor: none;
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent-primary), #4c26a6);
    color: white;
    border: none;
    box-shadow: 0 10px 20px rgba(107, 70, 193, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(107, 70, 193, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    padding: 15px 0;
    background: var(--bg-dark);
    opacity: 0.95;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links li a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.nav-links li a:hover {
    color: var(--text-main);
}

.nav-links li a.btn-outline {
    padding: 10px 20px;
    color: var(--text-main);
}

/* Theme Toggle & Language Selector */
.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.theme-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: none;
    transition: var(--transition-fast);
}

.theme-btn:hover {
    background: var(--glass-bg);
    transform: rotate(30deg);
}

.lang-selector {
    position: relative;
    font-family: var(--font-main);
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition-fast);
}

.lang-btn:hover {
    background: var(--glass-bg);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: var(--bg-darker);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    min-width: 150px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 1001;
    overflow: hidden;
}

.light-theme .lang-dropdown {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.lang-selector:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown a {
    padding: 10px 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    display: block;
}

.lang-dropdown a:hover {
    background: var(--glass-bg);
    color: var(--text-main);
}

.lang-dropdown a.active-lang {
    color: var(--accent-secondary);
    background: rgba(0, 229, 255, 0.05);
}

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

.hero-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(107, 70, 193, 0.15) 0%, rgba(0, 229, 255, 0.05) 50%, transparent 70%);
    z-index: -1;
    filter: blur(60px);
    animation: pulse 8s infinite alternate;
}

.light-theme .hero-bg-glow {
    background: radial-gradient(circle, rgba(107, 70, 193, 0.1) 0%, rgba(0, 180, 216, 0.05) 50%, transparent 70%);
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

.hero-subtitle {
    font-size: 0.9rem;
    letter-spacing: 3px;
    color: var(--accent-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.hero-roles {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.3;
}

.hero-desc {
    max-width: 500px;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

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

.about-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 800px;
}

.skills-title {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

/* Dynamic Skills Charts */
.skills-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.skill-bar {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
}

.skill-info i {
    color: var(--accent-secondary);
    margin-right: 5px;
    font-size: 1.1rem;
}

.skill-pct {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.progress-bg {
    width: 100%;
    height: 8px;
    background-color: var(--glass-border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 4px;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Glass Card Component */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    transition: var(--transition-medium);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.light-theme .glass-card:hover {
    border-color: rgba(0,0,0,0.1);
}

/* Timeline / Experience */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 30px;
}

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

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

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -35px;
    top: 30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-secondary);
}

/* Experience Header & Logos */
.exp-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.exp-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 10px;
    background: white; /* Logos usually look best on white bg */
    padding: 5px;
    border: 1px solid var(--glass-border);
}

.exp-logo-fallback {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--glass-border), rgba(255,255,255,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

.timeline-content h4 {
    font-size: 1.3rem;
    color: var(--text-main);
    margin-bottom: 2px;
}

.timeline-content h5 {
    font-size: 0.9rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.timeline-content h5 span {
    color: var(--text-muted);
}

.timeline-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Portfolio */
.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 3rem;
}

.filter-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    font-family: var(--font-main);
    cursor: none;
    padding: 8px 16px;
    border-radius: 20px;
    transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    color: var(--text-main);
    background: var(--glass-border);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--glass-border);
}

.portfolio-img {
    width: 100%;
    height: 300px;
    position: relative;
    overflow: hidden;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 100%);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-medium);
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.05);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-overlay h4 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: white; /* Always white inside overlay */
}

.portfolio-overlay p {
    color: var(--accent-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.view-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    color: black;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.view-btn:hover {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.1);
}

/* Contact / Footer */
.footer {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--glass-border);
    padding: 80px 0 30px;
}

.footer-content {
    margin-bottom: 60px;
}

.footer-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-align: center;
}

.footer-desc {
    color: var(--text-muted);
    margin-bottom: 40px;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(107, 70, 193, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-secondary);
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-text .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-text strong {
    font-size: 1.1rem;
    color: var(--text-main);
}

/* Contact Form */
.contact-form-container {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: var(--form-bg);
    border: 1px solid var(--form-border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-secondary);
    background: rgba(255, 255, 255, 0.05);
}

.light-theme .form-control:focus {
    background: rgba(0, 0, 0, 0.02);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.social-links a:hover {
    color: var(--text-main);
}

/* Animations & Utilities */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Responsive */
@media (max-width: 768px) {
    .cursor, .cursor-follower {
        display: none;
    }
    
    body {
        cursor: auto;
    }

    a, button, input, textarea {
        cursor: pointer;
    }
    
    .nav-links {
        display: none; 
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .timeline {
        padding-left: 20px;
    }
    
    .timeline-dot {
        left: -26px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}