:root {
    --exp-bg: #020605;
    --exp-surface: rgba(5, 18, 14, 0.82);
    --exp-raised: rgba(8, 28, 21, 0.94);
    --exp-text: #b7ffd0;
    --exp-muted: #71a98a;
    --exp-dim: #3d7458;
    --exp-accent: #27ff88;
    --exp-cyan: #5ce1e6;
    --exp-border: rgba(39, 255, 136, 0.44);
    --exp-border-soft: rgba(92, 225, 230, 0.25);
    --exp-glow: rgba(39, 255, 136, 0.2);
}

[data-theme="dark"] {
    --exp-bg: #020605;
    --exp-surface: rgba(5, 18, 14, 0.82);
    --exp-raised: rgba(8, 28, 21, 0.94);
    --exp-text: #b7ffd0;
    --exp-muted: #71a98a;
    --exp-dim: #3d7458;
    --exp-accent: #27ff88;
    --exp-cyan: #5ce1e6;
    --exp-border: rgba(39, 255, 136, 0.44);
    --exp-border-soft: rgba(92, 225, 230, 0.25);
    --exp-glow: rgba(39, 255, 136, 0.2);
}

[data-theme="light"] {
    --exp-bg: #f4f1ea;
    --exp-surface: rgba(255, 255, 255, 0.8);
    --exp-raised: rgba(255, 255, 255, 0.95);
    --exp-text: #153a28;
    --exp-muted: #35674b;
    --exp-dim: #5f8a6f;
    --exp-accent: #1b4332;
    --exp-cyan: #087d85;
    --exp-border: #2d6a4f;
    --exp-border-soft: rgba(8, 125, 133, 0.28);
    --exp-glow: rgba(45, 106, 79, 0.16);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--exp-text);
    background:
        radial-gradient(circle at 78% 0%, var(--exp-glow), transparent 30rem),
        radial-gradient(circle at 8% 90%, rgba(92, 225, 230, 0.05), transparent 28rem),
        var(--exp-bg);
    font-family: "Space Mono", "JetBrains Mono", "Courier New", monospace;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.exp-header {
    background: color-mix(in srgb, var(--exp-bg) 88%, transparent) !important;
    border-bottom-color: var(--exp-border-soft) !important;
    backdrop-filter: blur(12px);
}

.top-nav-bar {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) 48px;
    align-items: center;
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1000;
    gap: 0.5rem;
    min-height: 56px;
    background-color: var(--exp-bg);
    border-bottom: 1px solid var(--exp-border-soft);
    backdrop-filter: blur(8px);
}

.top-nav-bar > .theme-toggle:first-child {
    grid-column: 1;
}

.top-nav-bar .header-title-slot {
    grid-column: 2;
    min-width: 0;
}

.top-nav-bar > .theme-toggle:last-child {
    grid-column: 3;
}

html[data-theme="light"] .top-nav-bar {
    background-color: var(--exp-bg) !important;
}

.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 3px var(--exp-glow));
    transition: filter 0.2s, opacity 0.2s;
}

.theme-toggle:hover img {
    opacity: 0.9;
    filter: drop-shadow(0 0 8px var(--exp-accent)) brightness(1.2);
}

html[data-theme="dark"] .theme-toggle .icon-light,
html[data-theme="light"] .theme-toggle .icon-dark {
    display: none;
}

.exp-title {
    color: var(--exp-text) !important;
    font-family: "Courier Prime", "Courier New", monospace;
    letter-spacing: 0.08em;
    text-shadow: 0 0 12px var(--exp-glow);
}

.blink,
.cursor-block {
    color: var(--exp-accent);
    animation: blink 1s step-end infinite;
}

.experience-main {
    min-height: 100vh;
    padding: 2.5rem 1.25rem 4rem;
}

html[data-theme="light"],
html[data-theme="light"] body {
    background: #f4f1ea !important;
}

html[data-theme="light"] body {
    color: #153a28;
}

.experience-shell {
    position: relative;
    width: min(100%, 980px);
    margin: 0 auto;
    padding: clamp(1.1rem, 4vw, 3rem);
    border: 1px solid var(--exp-border);
    background: linear-gradient(145deg, var(--exp-surface), rgba(0, 0, 0, 0.08));
    box-shadow: 0 0 32px var(--exp-glow), inset 0 0 34px rgba(39, 255, 136, 0.035);
    backdrop-filter: blur(12px);
}

html[data-theme="light"] .experience-shell {
    border-color: #2d6a4f;
    background: rgba(255, 255, 255, 0.78);
    color: #153a28;
    box-shadow: 0 16px 45px rgba(45, 106, 79, 0.12), inset 0 0 24px rgba(45, 106, 79, 0.04);
}

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

.experience-shell::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--exp-cyan);
    border-left: 2px solid var(--exp-cyan);
}

.experience-shell::after {
    right: -1px;
    bottom: -1px;
    border-right: 2px solid var(--exp-cyan);
    border-bottom: 2px solid var(--exp-cyan);
}

.terminal-banner,
.experience-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--exp-muted);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.terminal-banner {
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--exp-border-soft);
}

.terminal-status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 0.45rem;
    border-radius: 50%;
    background: var(--exp-accent);
    box-shadow: 0 0 8px var(--exp-accent);
    animation: statusPulse 2s ease-in-out infinite;
}

.terminal-online {
    color: var(--exp-accent);
}

.experience-intro {
    padding: clamp(3rem, 7vw, 5.5rem) 0 3rem;
}

.section-kicker,
.card-kicker,
.card-duration {
    color: var(--exp-cyan);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.history-header-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.history-title-block {
    min-width: 0;
    flex: 1 1 40%;
}

.section-tag,
.subtitle {
    margin: 0;
}

.history-header-container h1 {
    margin: 0.7rem 0 0;
    color: var(--exp-text);
    font-family: "Courier Prime", "Courier New", monospace;
    font-size: clamp(1.7rem, 5vw, 3.5rem);
    letter-spacing: -0.06em;
    line-height: 1;
    text-shadow: 0 0 18px var(--exp-glow);
}

.subtitle {
    max-width: 62ch;
    margin: 1.25rem 0 0;
    color: var(--exp-muted);
    font-size: 0.86rem;
}

.history-ascii-art {
    flex: 0 1 58%;
    width: 50%;
    max-width: 520px;
    margin: -1.75rem 0 0;
    overflow: hidden;
    color: var(--exp-accent);
    font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
    font-size: clamp(10px, 1.1vw, 14px);
    line-height: 0.9;
    letter-spacing: -0.4px;
    white-space: pre;
    text-align: left;
    text-shadow: 0 0 5px var(--exp-glow);
    user-select: none;
}

.experience-timeline {
    position: relative;
    display: grid;
    gap: 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.experience-timeline::before {
    position: absolute;
    top: 2rem;
    bottom: 2rem;
    left: 1.2rem;
    width: 1px;
    background: linear-gradient(var(--exp-accent), var(--exp-border-soft));
    content: "";
}

.timeline-item {
    position: relative;
    padding-left: 3.3rem;
}

.timeline-marker {
    position: absolute;
    z-index: 1;
    top: 1.5rem;
    left: 0;
    display: grid;
    width: 2.5rem;
    height: 2.5rem;
    place-items: center;
    border: 1px solid var(--exp-accent);
    border-radius: 50%;
    background: var(--exp-bg);
    color: var(--exp-accent);
    font-size: 0.7rem;
    box-shadow: 0 0 12px var(--exp-glow);
}

.experience-card {
    border: 1px solid var(--exp-border-soft);
    background: var(--exp-raised);
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.experience-card:hover,
.experience-card[open] {
    border-color: var(--exp-border);
    box-shadow: 0 0 24px var(--exp-glow);
}

.experience-card[open] {
    transform: translateX(3px);
}

.experience-summary {
    display: grid;
    grid-template-columns: minmax(62px, 92px) minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    min-height: 150px;
    padding: 1.25rem 1.4rem;
    cursor: pointer;
    list-style: none;
}

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

.company-logo {
    display: grid;
    width: 82px;
    height: 82px;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--exp-border-soft);
    background: var(--exp-bg);
}

.company-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.8) contrast(1.1);
    transition: filter 0.25s, transform 0.25s;
}

.experience-card:hover .company-logo img,
.experience-card[open] .company-logo img {
    filter: grayscale(0) contrast(1);
    transform: scale(1.05);
}

.summary-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 0.26rem;
}

.card-kicker {
    color: var(--exp-muted);
    font-size: 0.6rem;
}

.card-title {
    overflow-wrap: anywhere;
    color: var(--exp-text);
    font-family: "Courier Prime", "Courier New", monospace;
    font-size: clamp(1.05rem, 2.5vw, 1.6rem);
    font-weight: 700;
    line-height: 1.1;
    text-transform: uppercase;
}

.card-role {
    color: var(--exp-cyan);
    font-size: 0.78rem;
}

.card-duration {
    color: var(--exp-muted);
    font-size: 0.65rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.45rem;
}

.tech-tags span {
    padding: 0.2rem 0.4rem;
    border: 1px solid var(--exp-border-soft);
    color: var(--exp-text);
    font-size: 0.6rem;
    letter-spacing: 0.04em;
}

.summary-toggle {
    align-self: start;
    color: var(--exp-accent);
    font-size: 0.72rem;
    text-shadow: 0 0 8px var(--exp-glow);
}

.experience-card[open] .summary-toggle {
    color: var(--exp-cyan);
}

.experience-card[open] .summary-toggle::after {
    content: "";
}

.experience-details {
    display: grid;
    grid-template-rows: 0fr;
    padding: 0 1.4rem;
    border-top: 1px solid transparent;
    transition: grid-template-rows 0.35s ease, padding 0.35s ease, border-color 0.35s ease;
}

.experience-details > * {
    min-height: 0;
    overflow: hidden;
}

.experience-card[open] .experience-details {
    grid-template-rows: 1fr;
    padding: 1.3rem 1.4rem 1.5rem;
    border-top-color: var(--exp-border-soft);
}

.experience-details p {
    margin: 0 0 0.9rem;
    color: var(--exp-muted);
    font-size: 0.82rem;
}

.experience-details p:last-child {
    margin-bottom: 0;
}

.details-copy strong {
    color: var(--exp-text);
}

.glow-text {
    color: var(--exp-accent) !important;
    text-shadow: 0 0 8px var(--exp-glow);
}

.details-copy {
    min-width: 0;
}

.certificate-module {
    margin-top: 1.5rem;
    padding-top: 1.2rem;
    border-top: 1px dashed var(--exp-border-soft);
}

.certificate-toggle {
    min-height: 44px;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--exp-border);
    background: transparent;
    color: var(--exp-accent);
    font: inherit;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, color 0.2s;
}

.certificate-toggle:hover,
.certificate-toggle:focus-visible {
    background: var(--exp-glow);
    box-shadow: 0 0 16px var(--exp-glow);
    outline: none;
}

.certificate-drawer {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--exp-border-soft);
    background: rgba(0, 0, 0, 0.12);
}

.certificate-drawer figure {
    min-width: 0;
    margin: 0;
}

.certificate-drawer img {
    display: block;
    width: 100%;
    max-height: 340px;
    object-fit: contain;
    border: 1px solid var(--exp-border-soft);
    background: var(--exp-bg);
}

.certificate-drawer figcaption {
    margin-top: 0.4rem;
    color: var(--exp-dim);
    font-size: 0.58rem;
    letter-spacing: 0.06em;
    overflow-wrap: anywhere;
}

.certificate-drawer p {
    grid-column: 1 / -1;
    margin: 0;
    color: var(--exp-muted);
    font-size: 0.7rem;
}

.experience-footer {
    margin-top: 2rem;
    padding-top: 1.2rem;
    border-top: 1px dashed var(--exp-border-soft);
    font-size: 0.6rem;
}

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

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

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

    html {
        overflow-x: clip !important;
    }

    body {
        overflow: visible !important;
    }

    .top-nav-bar {
        position: sticky !important;
        top: 0;
        z-index: 1000;
        grid-template-columns: 40px minmax(0, 1fr) 40px;
        padding: 0.75rem 1rem;
        gap: 0.5rem;
    }

    .top-nav-bar .header-title-slot {
        min-width: 0;
    }

    .top-nav-bar .header-title {
        max-width: 100%;
        overflow: hidden;
        font-size: 0.75rem !important;
        letter-spacing: 0.05em;
        text-align: center;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .experience-main {
        padding: 2.5rem 0.8rem 2.5rem;
    }

    .experience-shell {
        padding: 1rem;
    }

    .history-ascii-art {
        display: none;
    }

    .terminal-banner,
    .experience-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.35rem;
    }

    .experience-summary {
        grid-template-columns: 60px minmax(0, 1fr) auto;
        gap: 0.7rem;
        min-height: 130px;
        padding: 1rem 0.8rem;
    }

    .timeline-item {
        padding-left: 2.6rem;
    }

    .timeline-marker {
        top: 1.1rem;
        width: 2.1rem;
        height: 2.1rem;
    }

    .experience-timeline::before {
        left: 1rem;
    }

    .company-logo {
        width: 58px;
        height: 58px;
    }

    .summary-toggle {
        font-size: 0.65rem;
    }

    .certificate-drawer {
        grid-template-columns: 1fr;
    }

    .certificate-drawer p {
        grid-column: auto;
    }
}

@media (max-width: 480px) {
    .experience-summary {
        grid-template-columns: 48px minmax(0, 1fr) auto;
    }

    .summary-toggle {
        grid-column: 3;
        justify-self: start;
    }

    .company-logo {
        width: 48px;
        height: 48px;
    }

    .card-kicker,
    .card-duration {
        font-size: 0.55rem;
    }

    .card-title {
        font-size: 1rem;
    }
}

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

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

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

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

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

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