:root {
            --bg-color: #1D1D1B;       /* Muted Black */
            --card-bg: #EAE4DA;        /* Seashell */
            --accent-primary: #EAC119; /* Mustard Yellow */
            --text-dark: #1D1D1B;      
            --text-light: #EAE4DA;     
            --text-muted: #a0a0a5;
            
            /* Extended palette colors mapped from image_bee9e0.jpg */
            --lavender: #808BC5;
            --tea: #245E55;
            --pink-quartz: #EAA7C7;
            --tangerine: #ED773C;
            --sky: #9ED6DF;
            --red-passion: #C63F3E;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-light);
            font-family: 'Plus Jakarta Sans', sans-serif;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            line-height: 1.6;
            scroll-behavior: smooth;
        }

        .mono {
            font-family: 'Share Tech Mono', monospace;
        }

        /* --- LAYOUT STRUCTURE WITH SIDEBAR TOC --- */
        .page-layout {
            display: grid;
            grid-template-columns: 1fr;
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .modal-card-content::-webkit-scrollbar {
            display: none; /* Hides scrollbars on Chrome, Safari, and newer Opera setups */
        }
        .modal-card-content {
            -ms-overflow-style: none;  /* Hides scrollbars on Internet Explorer and Edge */
            scrollbar-width: none;  /* Hides scrollbars on Firefox */
        }

        /* Header Text Cycler Animations */
        .header-tagline-container {
            font-family: 'Share Tech Mono', monospace;
            font-size: 1.2rem;
            margin-top: 0.5rem;
            min-height: 1.8rem; /* Prevents layout shifting when text changes */
            color: var(--text-muted);
        }

        .dynamic-phrase {
            font-weight: 800;
            transition: opacity 0.4s ease-in-out, color 0.4s ease-in-out;
            opacity: 1;
        }

        .phrase-fade-out {
            opacity: 0;
        }

        @media (min-width: 992px) {
            .page-layout {
                grid-template-columns: 280px 1fr;
                gap: 3rem;
            }
        }

        /* --- STICKY TABLE OF CONTENTS --- */
        .toc-sidebar {
            display: none;
            position: var(--bg-color);
        }

        @media (min-width: 992px) {
            .toc-sidebar {
                display: block;
                position: sticky;
                top: 4rem;
                height: calc(100vh - 8rem);
                padding-top: 5rem;
            }
        }

        .toc-title {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-primary);
            margin-bottom: 1.5rem;
        }

        .toc-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .toc-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.2s, padding-left 0.2s;
            display: block;
        }

        .toc-links a:hover {
            color: var(--text-light);
            padding-left: 6px;
        }

        .toc-links a::before {
            content: "• ";
            color: transparent;
            transition: color 0.2s;
        }
        .toc-links a:hover::before {
            color: var(--accent-primary);
        }

        header {
            padding: 5rem 0 3rem 0;
        }

        .header-title {
            font-size: 3rem;
            font-weight: 800;
            margin: 0 0 0.5rem 0;
            letter-spacing: -1px;
        }

        .header-title span {
            color: var(--accent-primary);
        }

        .subtitle {
            font-family: 'Share Tech Mono', monospace;
            font-size: 1.2rem;
            color: var(--text-muted);
            letter-spacing: 1px;
        }

        .main-content {
            padding-bottom: 5rem;
        }

        section {
            margin-bottom: 5rem;
            scroll-margin-top: 4rem;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 2rem;
            border-bottom: 1px solid #333;
            padding-bottom: 0.5rem;
        }

        .section-title span {
            color: var(--accent-primary);
            font-family: 'Share Tech Mono', monospace;
            font-size: 1.1rem;
            font-weight: 400;
            margin-right: 0.5rem;
        }

        .subsection-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 2rem 0 1.5rem 0;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* --- ABOUT PROFILE CARD --- */
        .profile-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: center;
            background: #262624;
            padding: 2.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--accent-primary);
        }

        @media (min-width: 768px) {
            .profile-grid {
                grid-template-columns: 200px 1fr;
            }
        }

        .avatar-zone img {
            width: 100%;
            max-width: 200px;
            border-radius: 6px;
            filter: grayscale(20%);
        }

        .profile-bio h2 {
            margin: 0 0 0.5rem 0;
            font-size: 2rem;
        }

        .profile-meta {
            color: var(--accent-primary);
            font-size: 1rem;
            margin-bottom: 1rem;
        }

        .profile-text {
            color: #d1d1d6;
        }

        .meta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1.5rem;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .meta-tags strong {
            color: var(--text-light);
        }

        /* --- HIGHLIGHT SECTION --- */
        .highlight-card {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            background: #262624;
            padding: 2rem;
            border-radius: 8px;
            border-left: 4px solid var(--red-passion);
            align-items: center;
        }

        @media (min-width: 768px) {
            .highlight-card {
                grid-template-columns: 1fr 1.2fr;
            }
        }

        .highlight-img-zone img {
            width: 100%;
            border-radius: 6px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.4);
            display: block;
        }

        .highlight-text-zone h3 {
            margin: 0 0 0.5rem 0;
            font-size: 1.5rem;
            font-weight: 700;
        }

        .highlight-tagline {
            font-family: 'Share Tech Mono', monospace;
            color: var(--red-passion);
            font-size: 1rem;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .highlight-grade {
            display: inline-block;
            margin-top: 1.5rem;
            font-family: 'Share Tech Mono', monospace;
            background: rgba(198, 63, 62, 0.15);
            color: #ff8a89;
            padding: 0.4rem 0.8rem;
            border-radius: 4px;
            border: 1px solid var(--red-passion);
            font-weight: bold;
        }

        /* --- EXPERIENCE & EDUCATION TIMELINES --- */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .timeline-item {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0.5rem;
        }

        @media (min-width: 768px) {
            .timeline-item {
                grid-template-columns: 220px 1fr;
            }
        }

        .time-period {
            font-family: 'Share Tech Mono', monospace;
            color: var(--accent-primary);
            font-size: 1.1rem;
        }

        .timeline-content h3 {
            margin: 0 0 0.25rem 0;
            font-size: 1.3rem;
            font-weight: 600;
        }

        .institution {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
        }

        .timeline-content ul {
            margin: 0;
            padding-left: 1.2rem;
            color: #d1d1d6;
            font-size: 0.95rem;
        }

        .timeline-content li {
            margin-bottom: 0.4rem;
        }

        /* --- PROJECTS MATRIX & EXPANDABLE SYSTEM --- */
        .project-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .project-card {
            background-color: var(--card-bg);
            color: var(--text-dark);
            border-radius: 6px;
            padding: 1.5rem;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            border-top: 6px solid #ccc;
            cursor: pointer; /* Signal click action to visitor */
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .project-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(234, 228, 218, 0.15);
        }

        .p-work-on { border-color: var(--lavender); }
        .p-pers-on { border-color: var(--sky); }
        .p-work-fin { border-color: var(--tea); }
        .p-pers-fin { border-color: var(--tangerine); }
        .p-stack { border-color: var(--pink-quartz); }

        .project-card summary {
            list-style: none;
            cursor: pointer;
            outline: none;
        }

        .project-card summary::-webkit-details-marker {
            display: none;
        }

        .project-header-flex {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
        }

        .project-card h3 {
            margin: 0 0 0.5rem 0;
            font-size: 1.3rem;
            font-weight: 700;
            padding-right: 1rem;
        }

        .expand-icon {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.85rem;
            background: rgba(0,0,0,0.05);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            color: #555;
        }

        .project-card[open] .expand-icon {
            background: var(--bg-color);
            color: var(--accent-primary);
        }

        .project-card p {
            font-size: 0.95rem;
            margin: 0.5rem 0 1.5rem 0;
            color: #3a3a3c;
        }

        .expanded-specs {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px dashed rgba(0, 0, 0, 0.15);
            font-size: 0.9rem;
            color: #2c2c2e;
        }

        .expanded-specs h4 {
            margin: 0 0 0.5rem 0;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1rem;
        }

        .tag {
            font-family: 'Share Tech Mono', monospace;
            background: #e2dbcf;
            color: var(--text-dark);
            padding: 0.2rem 0.5rem;
            font-size: 0.8rem;
            border-radius: 3px;
            border: 1px solid #c5bdaf;
        }

        .tag.learning {
            background: transparent;
            border: 1px dashed #8e887e;
            color: #636366;
        }

        /* --- CONTACT BLOCK --- */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            background: #262624;
            padding: 2.5rem;
            border-radius: 8px;
        }

        @media (min-width: 768px) {
            .contact-layout {
                grid-template-columns: 1fr 1fr;
            }
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .contact-link {
            color: var(--text-light);
            text-decoration: none;
            font-size: 1.1rem;
            transition: color 0.2s;
        }

        .contact-link:hover {
            color: var(--accent-primary);
        }

        .btn-modern {
            display: inline-block;
            background-color: var(--accent-primary);
            color: var(--text-dark);
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 4px;
            width: fit-content;
            margin-top: 1rem;
            transition: opacity 0.2s;
        }

        .btn-modern:hover {
            opacity: 0.9;
        }

        .status-terminal {
            font-family: 'Share Tech Mono', monospace;
            background-color: #121211;
            padding: 1.2rem;
            border-radius: 4px;
            color: #868e96;
            font-size: 0.85rem;
        }

        .status-active {
            color: var(--accent-primary);
        }

    .icon-box {
        background: #262624;
        padding: 1.5rem 1rem;
        border-radius: 6px;
        text-align: center;
        border-bottom: 3px solid var(--accent-primary);
        transition: transform 0.2s;
        box-sizing: border-box; /* keeps sizing strictly inside grid parameters */
    }
    .icon-box:hover {
        transform: translateY(-3px);
    }
    .icon-box i {
        font-size: 2.5rem;
        display: block;
        margin-bottom: 0.5rem;
    }
    .icon-box span {
        font-size: 0.9rem;
        font-weight: 600;
        display: block;
    }
    .future-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    @media(min-width: 768px) {
        .future-grid { grid-template-columns: 1fr 1fr; }
    }
    .future-card {
        background: #262624;
        padding: 1.5rem;
        border-radius: 6px;
    }
    .future-card h4 {
        margin: 0 0 1rem 0;
        font-family: 'Share Tech Mono', monospace;
    }
    .skills-columns {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    @media(min-width: 768px) {
        .skills-columns { grid-template-columns: 1fr 1fr; }
    }
    .skills-list-box {
        background: #262624;
        padding: 2rem;
        border-radius: 8px;
    }
    .skills-list-box h3 {
        margin: 0 0 1.5rem 0;
        font-size: 1.4rem;
        color: var(--text-light);
        border-bottom: 1px dashed #444;
        padding-bottom: 0.5rem;
    }
    .skills-list-box ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 0.8rem;
    }
    .skills-list-box li {
        position: relative;
        padding-left: 1.5rem;
        color: #d1d1d6;
    }
    .skills-list-box li::before {
        content: "→";
        position: absolute;
        left: 0;
        color: var(--accent-primary);
        font-weight: bold;
    }

        footer {
            text-align: center;
            padding: 4rem 1.5rem;
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-top: 1px solid #262624;
            margin-top: 5rem;

                .skills-display-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 1.5rem;
        margin-bottom: 2rem;
    }
    
}