:root {
    --about-bg: #020605;
    --about-surface: rgba(5, 18, 14, 0.78);
    --about-surface-raised: rgba(8, 28, 21, 0.9);
    --about-text: #b7ffd0;
    --about-muted: #71a98a;
    --about-dim: #3d7458;
    --about-accent: #27ff88;
    --about-cyan: #5ce1e6;
    --about-border: rgba(39, 255, 136, 0.42);
    --about-border-soft: rgba(92, 225, 230, 0.24);
    --about-glow: rgba(39, 255, 136, 0.22);
    --about-scanline: rgba(183, 255, 208, 0.045);
    --about-shadow: 0 22px 70px rgba(0, 0, 0, 0.42);
}

[data-theme="dark"] {
    --about-bg: #020605;
    --about-surface: rgba(5, 18, 14, 0.78);
    --about-surface-raised: rgba(8, 28, 21, 0.9);
    --about-text: #b7ffd0;
    --about-muted: #71a98a;
    --about-dim: #3d7458;
    --about-accent: #27ff88;
    --about-cyan: #5ce1e6;
    --about-border: rgba(39, 255, 136, 0.42);
    --about-border-soft: rgba(92, 225, 230, 0.24);
    --about-glow: rgba(39, 255, 136, 0.22);
    --about-scanline: rgba(183, 255, 208, 0.045);
}

[data-theme="light"] {
    --about-bg: #f2f8ef;
    --about-surface: rgba(248, 255, 247, 0.86);
    --about-surface-raised: rgba(255, 255, 255, 0.94);
    --about-text: #153a28;
    --about-muted: #35674b;
    --about-dim: #5f8a6f;
    --about-accent: #08783d;
    --about-cyan: #087d85;
    --about-border: rgba(8, 120, 61, 0.4);
    --about-border-soft: rgba(8, 125, 133, 0.28);
    --about-glow: rgba(8, 120, 61, 0.14);
    --about-scanline: rgba(21, 58, 40, 0.045);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--about-text);
    background:
        radial-gradient(circle at 80% 0%, var(--about-glow), transparent 34rem),
        radial-gradient(circle at 4% 52%, rgba(92, 225, 230, 0.06), transparent 30rem),
        var(--about-bg);
    font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
    line-height: 1.65;
    transition: background-color 0.3s, color 0.3s;
}

body::before {
    position: fixed;
    z-index: 200;
    inset: 0;
    content: "";
    pointer-events: none;
    background:
        linear-gradient(var(--about-scanline) 50%, transparent 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.025), transparent, rgba(0, 120, 255, 0.025));
    background-size: 100% 4px, 5px 100%;
    mix-blend-mode: overlay;
}

body::after {
    position: fixed;
    z-index: 201;
    inset: 0;
    content: "";
    pointer-events: none;
    background: radial-gradient(circle, transparent 46%, rgba(0, 0, 0, 0.2) 125%);
}

.about-header {
    position: fixed;
    z-index: 100;
    top: 1rem;
    right: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

/* Keep the global home/theme controls icon-only for the shared navigation. */
.theme-toggle {
    display: flex;
    width: auto;
    height: auto;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    cursor: pointer;
    transition: opacity 0.2s;
}

.theme-toggle img {
    display: block;
    width: 24px;
    height: 24px;
    filter: drop-shadow(0 0 2px var(--about-glow));
    transition: filter 0.2s, opacity 0.2s;
}

.theme-toggle:hover img {
    opacity: 0.9;
    filter: drop-shadow(0 0 7px var(--about-accent)) brightness(1.25);
}

.about-content {
    position: relative;
    width: min(94%, 1120px);
    margin: 7.5rem auto 4rem;
    padding: clamp(1.1rem, 4vw, 3.4rem);
    border: 1px solid var(--about-border);
    background: linear-gradient(145deg, var(--about-surface), rgba(0, 0, 0, 0.08));
    box-shadow: var(--about-shadow), 0 0 32px var(--about-glow), inset 0 0 34px rgba(39, 255, 136, 0.035);
    backdrop-filter: blur(12px);
    isolation: isolate;
}

.about-content::before,
.about-content::after {
    position: absolute;
    width: 24px;
    height: 24px;
    content: "";
    pointer-events: none;
}

.about-content::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--about-cyan);
    border-left: 2px solid var(--about-cyan);
}

.about-content::after {
    right: -1px;
    bottom: -1px;
    border-right: 2px solid var(--about-cyan);
    border-bottom: 2px solid var(--about-cyan);
}

.scroll-progress {
    position: absolute;
    top: 0;
    bottom: 0;
    left: -8px;
    width: 2px;
    background: var(--about-border-soft);
}

#scroll-progress-bar {
    display: block;
    width: 100%;
    height: 0;
    background: var(--about-cyan);
    box-shadow: 0 0 8px var(--about-cyan);
    transition: height 0.1s linear;
}

.mainframe-topline,
.mainframe-footer,
.card-meta,
.audio-deck-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--about-muted);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.mainframe-topline {
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--about-border-soft);
}

.status-dot,
.card-status {
    color: var(--about-accent);
    text-shadow: 0 0 8px var(--about-accent);
}

.status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 0.45rem;
    border-radius: 50%;
    background: currentColor;
    animation: statusPulse 2s ease-in-out infinite;
}

.topline-status {
    color: var(--about-accent);
}

.hero-section {
    padding: clamp(3.5rem, 9vw, 7rem) 0 5rem;
}

.section-kicker,
.eyebrow,
.prompt {
    color: var(--about-cyan);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hero-grid {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: clamp(2rem, 7vw, 6rem);
    margin-top: 1.2rem;
}

.hero-grid > div:first-child {
    min-width: 0;
    flex: 1 1 auto;
}

.ascii-eye {
    flex: 0 0 clamp(340px, 42%, 520px);
    width: clamp(340px, 42%, 520px);
    margin: clamp(2.1rem, 3.4vw, 2.7rem) 0 0;
    overflow: hidden;
    color: var(--about-accent);
    font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
    font-size: clamp(8px, 0.85vw, 10px);
    line-height: 0.88;
    letter-spacing: -0.55px;
    text-align: center;
    text-shadow: 0 0 5px var(--about-glow), 0 0 12px rgba(39, 255, 136, 0.18);
    user-select: none;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--about-muted);
    font-size: 0.68rem;
}

.glitch-title {
    position: relative;
    display: inline-block;
    margin: 0;
    color: var(--about-text);
    font-size: clamp(2.4rem, 8vw, 6.8rem);
    font-weight: 800;
    letter-spacing: -0.08em;
    line-height: 0.95;
    text-shadow: 0 0 24px var(--about-glow);
}

.glitch-on-hover {
    position: relative;
    display: inline-block;
    margin: 0.45rem 0 0;
    color: var(--about-text);
    font-size: clamp(1.25rem, 3vw, 2rem);
    letter-spacing: -0.04em;
    line-height: 1.2;
}

.glitch-on-hover::before,
.glitch-on-hover::after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.glitch-on-hover::before {
    color: var(--about-cyan);
    content: attr(data-text);
    transform: translate(2px, -1px);
}

.glitch-on-hover::after {
    color: var(--about-accent);
    content: attr(data-text);
    transform: translate(-2px, 1px);
}

.terminal-section:hover .glitch-on-hover::before,
.terminal-section:hover .glitch-on-hover::after {
    opacity: 0.6;
    animation: glitchSlice 0.35s steps(2, end) 1;
}

.hero-role {
    margin: 1.5rem 0 0;
    font-size: clamp(0.9rem, 2vw, 1.15rem);
}

.muted,
.hero-copy,
.cyber-card p,
.telemetry-card p,
.timeline-node p,
.terminal-accordion p {
    color: var(--about-muted);
}

.hero-copy {
    max-width: 54ch;
    margin: 1.4rem 0;
    font-size: 1rem;
}

.focus-tags,
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.focus-tags span,
.tech-stack span {
    padding: 0.35rem 0.55rem;
    border: 1px solid var(--about-border-soft);
    color: var(--about-muted);
    font-size: 0.67rem;
    letter-spacing: 0.08em;
}

.focus-tags span {
    color: var(--about-text);
}

.hero-readout {
    padding: 1.1rem;
    border: 1px solid var(--about-border-soft);
    border-left: 2px solid var(--about-cyan);
    background: rgba(0, 0, 0, 0.12);
    font-size: 0.68rem;
}

.readout-line {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.6rem 0;
    border-bottom: 1px dashed var(--about-border-soft);
}

.readout-line span,
.hero-readout small {
    color: var(--about-muted);
}

.readout-line strong {
    color: var(--about-text);
    font-size: 0.65rem;
    font-weight: 500;
    text-align: right;
}

.readout-meter {
    height: 4px;
    margin-top: 1.2rem;
    background: var(--about-border-soft);
}

.readout-meter span {
    display: block;
    width: var(--meter);
    height: 100%;
    background: var(--about-accent);
    box-shadow: 0 0 9px var(--about-accent);
}

.hero-readout small {
    display: block;
    margin-top: 0.55rem;
}

.terminal-section {
    padding: 4.2rem 0;
    border-top: 1px solid var(--about-border-soft);
}

.section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.8rem;
}

.section-index {
    color: var(--about-dim);
    font-size: 0.72rem;
}

.experience-grid,
.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.cyber-card,
.telemetry-card {
    position: relative;
    padding: 1.4rem;
    border: 1px solid var(--about-border-soft);
    background: var(--about-surface-raised);
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.cyber-card::before,
.telemetry-card::before {
    position: absolute;
    top: -1px;
    left: 1.2rem;
    width: 32px;
    border-top: 2px solid var(--about-accent);
    content: "";
}

.cyber-card:hover,
.telemetry-card:hover {
    border-color: var(--about-border);
    box-shadow: 0 0 24px var(--about-glow);
    transform: translateY(-3px);
}

.card-meta {
    margin-bottom: 1.3rem;
    font-size: 0.62rem;
}

.experience-card h3,
.telemetry-card h3,
.timeline-node h3 {
    margin: 0;
    color: var(--about-text);
    font-size: 1rem;
    text-transform: uppercase;
}

.card-role {
    margin: 0.3rem 0 1rem;
    color: var(--about-cyan) !important;
    font-size: 0.77rem;
}

.cyber-card p,
.telemetry-card p,
.timeline-node p {
    font-size: 0.83rem;
}

.inline-link,
.audio-deck-header a {
    display: inline-block;
    margin: 0.55rem 0 1.25rem;
    border-bottom: 1px dashed var(--about-cyan);
    color: var(--about-cyan);
    font-size: 0.72rem;
    text-decoration: none;
}

.inline-link:hover,
.audio-deck-header a:hover {
    color: var(--about-accent);
    text-shadow: 0 0 10px var(--about-accent);
}

.tech-stack span {
    color: var(--about-text);
    font-size: 0.65rem;
}

.terminal-accordion {
    margin-top: 1rem;
    border: 1px solid var(--about-border-soft);
    background: rgba(0, 0, 0, 0.12);
}

.terminal-accordion summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    color: var(--about-text);
    cursor: pointer;
    list-style: none;
}

.terminal-accordion summary::-webkit-details-marker {
    display: none;
}

.summary-hint {
    color: var(--about-dim);
    font-size: 0.68rem;
}

.terminal-accordion p {
    margin: 0;
    padding: 0 1rem 1rem;
    font-size: 0.82rem;
}

.timeline {
    position: relative;
    display: grid;
    gap: 1rem;
}

.timeline::before {
    position: absolute;
    top: 0.8rem;
    bottom: 0.8rem;
    left: 1.2rem;
    width: 1px;
    background: linear-gradient(var(--about-accent), var(--about-border-soft));
    content: "";
}

.timeline-node {
    position: relative;
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.2rem 1rem 0;
}

.node-marker {
    z-index: 1;
    display: grid;
    width: 2.5rem;
    height: 2.5rem;
    place-items: center;
    border: 1px solid var(--about-accent);
    border-radius: 50%;
    background: var(--about-bg);
    color: var(--about-accent);
    font-size: 0.7rem;
    box-shadow: 0 0 12px var(--about-glow);
}

.timeline-node h3 {
    font-size: 0.85rem;
}

.timeline-node p {
    max-width: 65ch;
    margin: 0.3rem 0 0;
}

.node-state {
    color: var(--about-cyan);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
}

.telemetry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.telemetry-icon {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--about-accent);
    font-size: 1.7rem;
    text-shadow: 0 0 10px var(--about-glow);
}

.telemetry-card h3 {
    font-size: 0.88rem;
}

.telemetry-value {
    display: block;
    margin-top: 1.1rem;
    color: var(--about-cyan);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
}

.audio-deck {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--about-border);
    background: var(--about-surface-raised);
    box-shadow: inset 0 0 22px rgba(39, 255, 136, 0.05);
}

.audio-deck-header {
    padding-bottom: 0.8rem;
}

.audio-deck-header a {
    margin: 0;
}

.equalizer {
    color: var(--about-accent);
    letter-spacing: -0.2em;
    text-shadow: 0 0 8px var(--about-accent);
}

#spotify-player {
    display: flex;
    min-height: 152px;
    align-items: center;
    justify-content: center;
    margin-top: 0.8rem;
    overflow: hidden;
    border: 1px solid var(--about-border-soft);
    background: var(--about-bg);
    color: var(--about-dim);
    font-size: 0.75rem;
    filter: grayscale(0.75) contrast(1.1);
    transition: filter 0.3s;
}

#spotify-player:hover {
    filter: none;
}

#spotify-player iframe {
    max-width: 100%;
}

.contact-lede {
    margin: 0 0 1.3rem;
    color: var(--about-muted);
    font-size: 0.85rem;
}

.contact-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.65rem;
}

.terminal-button {
    display: flex;
    min-height: 58px;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--about-border-soft);
    color: var(--about-text);
    font-size: 0.68rem;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, color 0.2s;
}

.terminal-button:hover,
.terminal-button:focus-visible {
    border-color: var(--about-accent);
    background: var(--about-glow);
    color: var(--about-accent);
    box-shadow: 0 0 18px var(--about-glow);
    outline: none;
}

.terminal-button .icon {
    flex: 0 0 auto;
    width: 1.25rem;
    height: 1.25rem;
    object-fit: contain;
    filter: drop-shadow(0 0 3px var(--about-glow));
}

.primary-action {
    border-color: var(--about-accent);
    color: var(--about-accent);
}

.mainframe-footer {
    padding-top: 1.5rem;
    border-top: 1px dashed var(--about-border-soft);
    font-size: 0.6rem;
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes blink {
    50% { opacity: 0; }
}

@keyframes statusPulse {
    50% { opacity: 0.35; box-shadow: 0 0 12px var(--about-accent); }
}

@keyframes glitchSlice {
    0% { clip-path: inset(20% 0 65% 0); }
    50% { clip-path: inset(65% 0 10% 0); }
    100% { clip-path: inset(40% 0 35% 0); }
}

@media (max-width: 760px) {
    .about-header {
        padding: 0 1rem;
    }

    .about-content {
        width: min(92%, 1120px);
        margin-top: 6rem;
        padding: 1rem;
    }

    .mainframe-topline,
    .mainframe-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.35rem;
    }

    .experience-grid,
    .telemetry-grid {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        display: block;
    }

    .hero-section {
        padding-top: 3.5rem;
    }

    .hero-readout {
        max-width: none;
    }

    .timeline-node {
        grid-template-columns: 2.5rem minmax(0, 1fr);
        padding-right: 0;
    }

    .node-state {
        grid-column: 2;
    }

    .contact-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 420px) {
    .glitch-title {
        font-size: 2.35rem;
    }

    .section-heading {
        flex-direction: column;
        gap: 0.5rem;
    }

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

@media (max-width: 768px) {
    html,
    body {
        overflow-y: auto !important;
        height: auto !important;
        min-height: 100vh;
    }

    body {
        overflow-x: hidden;
    }

    .about-content {
        height: auto;
        overflow: visible;
    }

    #ascii-eye {
        display: none !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--about-bg);
}

::-webkit-scrollbar-thumb {
    border: 2px solid var(--about-bg);
    background: var(--about-dim);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--about-accent);
}