@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    #cyberCanvas, .mesh-bg {
        display: none !important;
    }
}

@media (max-width: 900px) {
    .site-header {
        padding: 0.85rem 1.25rem;
    }
    .site-header.scrolled {
        padding: 0.75rem 1.25rem;
    }
    .brand-logo-text {
        font-size: 1.05rem;
    }
    .pulse-status {
        display: none;
    }
    .location-clock {
        display: none;
    }
    .mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        font-size: 1.25rem;
        line-height: 1;
        border-color: var(--border-subtle);
        background: rgba(255, 255, 255, 0.05);
        color: #ffffff;
        border-radius: 6px;
        transition: background 0.3s, border-color 0.3s;
    }
    .mobile-menu-btn:active {
        background: rgba(255, 255, 255, 0.15);
    }
    .mobile-nav-header {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 300px;
        max-width: 85vw;
        height: 100vh;
        height: 100dvh;
        background: rgba(10, 12, 16, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 1.5rem 1.25rem;
        gap: 0.75rem;
        border-left: 1px solid var(--border-subtle);
        border-radius: 0; /* CRITICAL FIX: Overrides desktop 999px pill shape */
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 999;
        box-shadow: -12px 0 40px rgba(0, 0, 0, 0.85);
    }
    .nav-menu.open {
        transform: translateX(0);
    }
    .nav-item {
        width: 100%;
        padding: 0.85rem 1rem;
        border-radius: 10px;
        border: 1px solid rgba(255, 255, 255, 0.06);
        background: rgba(255, 255, 255, 0.03);
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .nav-item.active {
        background: rgba(255, 255, 255, 0.12);
        border-color: rgba(255, 255, 255, 0.28);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    }
    .nav-item .nav-label {
        font-size: 0.95rem;
    }
    .nav-item .nav-num {
        font-size: 0.75rem;
    }
    .hero-container {
        padding: 5.5rem 1.25rem 2.5rem;
    }
    .hero-heading {
        font-size: clamp(2rem, 8.5vw, 3.8rem);
        margin-bottom: 1.25rem;
        word-break: break-word;
    }
    .name-line.indent {
        margin-left: 0;
    }
    .hero-tags {
        font-size: 0.65rem;
        gap: 0.35rem 0.75rem;
        margin-bottom: 1.5rem;
        line-height: 1.6;
    }
    .hero-bio {
        font-size: 0.95rem;
        margin-bottom: 1.75rem;
        line-height: 1.6;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 3.5rem 0;
    }
    .section-heading {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
    }
    .section-desc {
        margin-bottom: 1.5rem;
        font-size: 0.88rem;
    }
    .hero-cta-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem !important;
    }
    .btn-davies {
        width: 100%;
        text-align: center;
        justify-content: center;
        padding: 0.7rem 1.2rem;
        font-size: 0.82rem;
    }
    .system-design-grid,
    .certs-grid,
    .stack-grid,
    .metrics-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem;
    }
    .sd-card {
        padding: 1.25rem 1rem;
        max-width: 100%;
    }
    .sd-tag-list {
        gap: 0.4rem;
        max-width: 100%;
    }
    .sd-tag {
        font-size: 0.72rem;
        padding: 4px 8px;
        max-width: 100%;
        white-space: normal;
        word-break: break-word;
    }
    .philosophy-card {
        padding: 1.25rem 1rem;
    }
    .philosophy-quote {
        font-size: 1rem;
        line-height: 1.6;
    }
    .terminal-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 0.75rem 1rem;
    }
    .terminal-tabs {
        margin-left: 0;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 0.35rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .terminal-tabs::-webkit-scrollbar {
        display: none;
    }
    .terminal-tab-btn {
        white-space: nowrap;
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    .terminal-body {
        padding: 1.25rem 1rem;
        font-size: 0.78rem;
        overflow-x: auto;
        max-width: 100%;
    }
    .projects-filter-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
        margin-bottom: 1.5rem;
        scrollbar-width: none;
    }
    .projects-filter-bar::-webkit-scrollbar {
        display: none;
    }
    .filter-btn {
        white-space: nowrap;
        padding: 0.5rem 0.9rem;
        font-size: 0.7rem;
    }
    .project-card {
        padding: 1.25rem 1rem;
    }
    .project-top-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .project-title {
        font-size: 1.15rem;
    }
    .timeline-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 1.25rem 1rem;
    }
    .timeline-side {
        text-align: left;
    }
    .site-footer {
        padding: 2.5rem 0 2rem;
        margin-top: 2.5rem;
    }
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }
    .footer-links {
        flex-wrap: wrap;
        gap: 0.85rem 1.25rem;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 0.75rem 1rem;
    }
    .brand-logo-badge {
        width: 26px;
        height: 26px;
        font-size: 0.75rem;
    }
    .brand-logo-text {
        font-size: 0.92rem;
    }
    .sfx-toggle-btn {
        padding: 0.3rem 0.55rem;
        font-size: 0.65rem;
    }
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }
    .metric-card {
        padding: 1.25rem 1rem;
    }
    .stack-grid {
        grid-template-columns: 1fr;
    }
}

/* Custom additions for Philosophy, System Design, Certifications & Repos */
.philosophy-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(20, 20, 20, 0.85) 100%);
    border: 1px solid var(--border-bright);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    position: relative;
    backdrop-filter: blur(10px);
}
.philosophy-quote {
    font-size: 1.15rem;
    font-style: italic;
    color: var(--text-main);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}
.philosophy-target {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}
.target-role-badge {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-subtle);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #ffffff;
}
.system-design-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.sd-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 1.75rem;
    transition: all 0.3s ease;
}
.sd-card:hover {
    border-color: var(--border-bright);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}
.sd-card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sd-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.sd-tag {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    padding: 5px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}
.sd-tag:hover {
    border-color: var(--border-bright);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
}
.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}
.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.25s ease;
}
.cert-card:hover {
    border-color: var(--border-bright);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}
.cert-icon {
    font-size: 1.5rem;
    opacity: 0.9;
}
.cert-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.3;
}
.repo-chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1rem;
}
.repo-chip {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-subtle);
    color: var(--color-accent);
    padding: 6px 14px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    transition: all 0.2s ease;
}
.repo-chip:hover {
    border-color: var(--border-bright);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.14);
}