/* ── Portfolio Page – Bio Section ─────────────────── */
        .bio-section {
            padding: 4.5rem 0;
        }

        .bio-section .bio-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: start;
        }

        @media (min-width: 1024px) {
            .bio-section .bio-grid {
                grid-template-columns: 300px 1fr;
                gap: 3.5rem;
            }
        }

        .bio-section .bio-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .bio-section .bio-badge img {
            width: auto;
            height: auto;
            object-fit: contain;
            border-radius: 0.75rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
            margin-bottom: 1.25rem;
        }

        .bio-section .bio-badge h2 {
            font-size: 1.5rem;
            font-weight: 900;
            color: #111;
            margin-bottom: 0.25rem;
        }

        .bio-section .bio-badge .badge-title {
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            color: #c41e1e;
        }

        .bio-section .bio-badge .badge-years {
            font-size: 0.8rem;
            color: #6b7280;
            margin-top: 0.15rem;
        }

        .bio-section .bio-text h3 {
            font-size: 1.15rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            color: #c41e1e;
            margin-bottom: 1rem;
        }

        .bio-section .bio-text p {
            color: #374151;
            font-size: 0.95rem;
            line-height: 1.8;
            text-align: justify;
            margin-bottom: 1rem;
        }

        .bio-section .bio-text p:last-child {
            margin-bottom: 0;
        }

        /* ── Portfolio Page – Skills Section ──────────────── */
        .skills-section {
            padding: 4.5rem 0;
        }

        .skills-section .section-heading {
            text-align: center;
            margin-bottom: 3rem;
        }

        .skills-section .section-heading p {
            text-transform: uppercase;
            letter-spacing: 0.15em;
            font-size: 0.8rem;
            color: #9ca3af;
            margin-bottom: 0.25rem;
        }

        .skills-section .section-heading h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            font-style: italic;
        }

        @media (min-width: 768px) {
            .skills-section .section-heading h2 {
                font-size: 2.25rem;
            }
        }

        .portfolio-skill-card {
            background-color: #18181b;
            border: 3px solid #3f3f46;
            border-radius: 0.5rem;
            padding: 1.75rem;
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }

        .portfolio-skill-card:hover {
            border-color: #c41e1e;
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(196, 30, 30, 0.15);
        }

        .portfolio-skill-card .card-icon {
            color: #c41e1e;
            margin-bottom: 1rem;
        }

        .portfolio-skill-card .card-icon svg {
            width: 2.5rem;
            height: 2.5rem;
        }

        .portfolio-skill-card h3 {
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.85rem;
        }

        .portfolio-skill-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .portfolio-skill-card li {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            color: #a1a1aa;
            font-size: 0.8rem;
            line-height: 1.5;
            margin-bottom: 0.5rem;
        }

        .portfolio-skill-card li:last-child {
            margin-bottom: 0;
        }

        .portfolio-skill-card .bullet {
            color: #c41e1e;
            margin-top: 2px;
            flex-shrink: 0;
            font-size: 0.55rem;
        }

        .skills-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .skills-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .skills-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
            }
        }

        /* ── Portfolio Page – Tools Section ───────────────── */
        .tools-section {
            padding: 4.5rem 0;
        }

        .tools-section .section-heading {
            text-align: center;
            margin-bottom: 3rem;
        }

        .tools-section .section-heading p {
            text-transform: uppercase;
            letter-spacing: 0.15em;
            font-size: 0.8rem;
            color: #6b7280;
            margin-bottom: 0.25rem;
        }

        .tools-section .section-heading h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #c41e1e;
            font-style: italic;
        }

        @media (min-width: 768px) {
            .tools-section .section-heading h2 {
                font-size: 2.25rem;
            }
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }

        @media (min-width: 768px) {
            .tools-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .tools-grid {
                grid-template-columns: repeat(5, 1fr);
                gap: 1.5rem;
            }
        }

        .portfolio-tool-card {
            background-color: #f9fafb;
            border: 2px solid #e5e7eb;
            border-radius: 0.75rem;
            padding: 1.5rem 1rem;
            text-align: center;
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .portfolio-tool-card:hover {
            border-color: #c41e1e;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }

        .portfolio-tool-card .tool-icon {
            display: flex;
            justify-content: center;
            margin-bottom: 0.75rem;
            color: #374151;
            transition: color 0.3s ease;
        }

        .portfolio-tool-card:hover .tool-icon {
            color: #c41e1e;
        }

        .portfolio-tool-card .tool-icon svg {
            width: 3rem;
            height: 3rem;
        }

        .portfolio-tool-card h4 {
            font-weight: 700;
            font-size: 0.85rem;
            color: #1f2937;
        }

        .portfolio-tool-card .tool-desc {
            font-size: 0.7rem;
            color: #6b7280;
            margin-top: 0.2rem;
        }