/* --- CSS VARIABLES (Light Theme Default) --- */
        :root {
            --bg-primary: #f8fafc;
            --bg-secondary: #ffffff;
            --text-primary: #1e293b;
            --text-secondary: #64748b;
            --gradient-start: #4f46e5; /* Indigo/Purple */
            --gradient-end: #06b6d4;   /* Cyan/Blue */
            --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            --nav-bg: rgba(255, 255, 255, 0.8);
            --border-color: #e2e8f0;
            --transition: all 0.3s ease;
        }

        /* --- DARK THEME OVERRIDES --- */
        [data-theme="dark"] {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            --nav-bg: rgba(15, 23, 42, 0.8);
            --border-color: #334155;
        }

        /* --- BASE STYLES --- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

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

        section {
            padding: 100px 10%;
            min-height: 80vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            scroll-margin-top: 80px;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 50px;
            position: relative;
            font-weight: 700;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
            border-radius: 2px;
        }

        /* --- BUTTONS --- */
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
            color: #fff;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 500;
            box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(79, 70, 229, 0.6);
        }

        /* --- NAVBAR --- */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 20px 10%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            background: var(--nav-bg);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            list-style: none;
            align-items: center;
            gap: 30px;
        }

        .nav-links a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--gradient-start);
        }

        .theme-toggle {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .hamburger {
            display: none;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
        }

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

        /* --- HERO SECTION --- */
        .hero {
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: space-between;
            gap: 50px;
            padding-top: 140px;
        }

        .hero-content {
            flex: 1;
        }

        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 10px;
        }

        .hero-content h2 {
            font-size: 1.8rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-weight: 400;
        }

        .typing-text {
            color: var(--gradient-start);
            font-weight: 600;
            border-right: 3px solid var(--gradient-start);
            animation: blink 0.7s infinite;
            white-space: nowrap;
        }

        .hero-img-container {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .profile-img {
            width: 320px;
            height: 320px;
            border-radius: 50%;
            object-fit: cover;
            border: 8px solid var(--bg-secondary);
            box-shadow: var(--card-shadow);
            background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
            padding: 4px;
        }

        /* --- ABOUT SECTION --- */
        .about {
            background-color: var(--bg-secondary);
            text-align: center;
        }

        .about-p {
            max-width: 800px;
            margin: 0 auto;
            font-size: 1.1rem;
            color: var(--text-secondary);
        }

        /* --- SKILLS SECTION --- */
        .skills-container {
            max-width: 800px;
            margin: 0 auto;
            width: 100%;
            background: var(--bg-secondary);
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
        }

        .skill-bar {
            margin-bottom: 25px;
        }

        .skill-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .bar-outer {
            width: 100%;
            height: 12px;
            background-color: var(--border-color);
            border-radius: 10px;
            overflow: hidden;
        }

        .bar-inner {
            height: 100%;
            background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
            border-radius: 10px;
            width: 0; /* Dynamic loading via JS */
            transition: width 1.5s cubic-bezier(0.1, 0.8, 0.2, 1);
        }

        /* --- PROJECTS SECTION --- */
        .projects {
            background-color: var(--bg-secondary);
        }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            width: 100%;
        }

        .project-card {
            background-color: var(--bg-primary);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            text-decoration: none;
            color: inherit;
        }

        .project-card:hover {
            transform: translateY(-10px);
            border-color: var(--gradient-start);
        }

        .project-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .project-card h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
        }

        .project-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .status-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background-color: var(--border-color);
            color: var(--text-secondary);
            align-self: flex-start;
        }

        .status-badge.complete {
            background-color: #2f855a;
            color: #fff;
        }

        /* --- CONTACT SECTION --- */
        .contact-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
        }

        .contact-form {
            background-color: var(--bg-secondary);
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            width: 100%;
            max-width: 600px;
            margin-bottom: 40px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-group input, .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            border-radius: 8px;
            outline: none;
            font-family: inherit;
            transition: var(--transition);
        }

        .form-group input:focus, .form-group textarea:focus {
            border-color: var(--gradient-start);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        .social-links {
            display: flex;
            gap: 20px;
        }

        .social-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--bg-secondary);
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: var(--card-shadow);
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .social-icon:hover {
            background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
            color: white;
            transform: translateY(-5px);
        }

        /* --- FOOTER --- */
        footer {
            text-align: center;
            padding: 30px;
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* --- ANIMATIONS & OBSERVER --- */
        .fade-in {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-in.appear {
            opacity: 1;
            transform: translateY(0);
        }

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

        /* --- RESPONSIVE DESIGN --- */
        @media (max-width: 968px) {
            .hero {
                flex-direction: column-reverse;
                text-align: center;
                padding-top: 100px;
            }
            .hero-content h1 { font-size: 2.8rem; }
            .profile-img { width: 260px; height: 260px; }
            .hamburger { display: flex; }
            
            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                width: 70%;
                height: calc(100vh - 70px);
                background-color: var(--bg-secondary);
                flex-direction: column;
                padding: 40px 0;
                box-shadow: -10px 10px 30px rgba(0,0,0,0.1);
                transition: var(--transition);
            }

            .nav-links.active { right: 0; }
            .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
            .hamburger.active span:nth-child(2) { opacity: 0; }
            .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
        }

.btn-container {
    text-align: center;
    margin-top: 20px;
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    text-decoration: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.6);
}

/* --- SKILLS TABS (Technical / Soft) --- */
.skills-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 35px;
    flex-wrap: wrap;
}

.skills-tab-btn {
    padding: 10px 25px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.skills-tab-btn:hover {
    color: var(--gradient-start);
    border-color: var(--gradient-start);
}

.skills-tab-btn.active {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

/* --- SOFT SKILLS --- */
.soft-skills-container {
    display: none;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.soft-skill-card {
    background: var(--bg-secondary);
    padding: 30px 25px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.soft-skill-card:hover {
    transform: translateY(-8px);
    border-color: var(--gradient-start);
}

.soft-skill-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
    color: #fff;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
}

.soft-skill-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.soft-skill-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- ROTATING BLOB BEHIND PROFILE IMAGE --- */
.hero-img-container {
    position: relative;
}

.img-blob {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 360px;
    height: 360px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 62% 38% 55% 45% / 45% 55% 42% 58%;
    transform: translate(-50%, -50%) rotate(0deg);
    animation: blobRotate 12s linear infinite;
    opacity: 0.55;
    z-index: 0;
}

.hero-img-container .profile-img {
    position: relative;
    z-index: 1;
}

@keyframes blobRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* --- EDUCATION SECTION --- */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    width: 100%;
}

.education-card {
    background-color: var(--bg-secondary);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.education-card:hover {
    transform: translateY(-10px);
    border-color: var(--gradient-start);
}

.education-icon {
    font-size: 2.2rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.education-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.education-level {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.education-address {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 18px;
}

.education-address i {
    color: var(--gradient-start);
    margin-right: 5px;
}

.status-badge.ongoing {
    background-color: #d97706;
    color: #fff;
}

/* --- CONTACT LAYOUT (info left, form right) --- */
.contact-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    background-color: var(--bg-secondary);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.contact-info h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.contact-info > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    color: var(--text-primary);
    font-weight: 500;
}

.info-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    font-size: 1rem;
}

.contact-info .social-links {
    margin-top: 25px;
}

.contact-form {
    margin-bottom: 0;
}

/* --- FOOTER (logo left, copyright right) --- */
footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    text-align: left;
    padding: 30px 10%;
}

.footer-logo {
    font-size: 1.4rem;
}

.footer-text {
    text-align: right;
}

.footer-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- RESPONSIVE ADJUSTMENTS FOR NEW SECTIONS --- */
@media (max-width: 968px) {
    .img-blob {
        width: 280px;
        height: 280px;
    }

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

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

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