/* Shared portfolio pages: same midnight, signal-blue and amber language as home. */
:root {
    --portfolio-ink: var(--brand-ink);
    --portfolio-surface: #ffffff;
    --portfolio-surface-muted: var(--brand-paper);
    --portfolio-border: rgba(16, 40, 70, 0.16);
    --portfolio-blue: #315e78;
    --portfolio-blue-dark: #9cc8dc;
    --portfolio-amber: var(--brand-warm);
    --portfolio-olive: #687d4b;
}

.portfolio-page {
    color: var(--brand-ink);
    background:
        radial-gradient(circle at 78% -10%, rgba(127, 182, 210, 0.20), transparent 32rem),
        var(--brand-paper);
}
.dark-mode .portfolio-page,
.portfolio-page.dark-mode {
    color-scheme: dark;
    background:
        radial-gradient(circle at 78% -10%, rgba(37, 99, 235, 0.20), transparent 34rem),
        #0f172a;
}

.portfolio-nav {
    position: relative;
    z-index: 30;
    max-width: 96rem;
    margin-inline: auto;
    border-bottom: 1px solid rgba(148, 163, 184, 0.20);
    color: var(--brand-ink);
}
.portfolio-nav .site-brand,
.portfolio-nav a { color: var(--brand-ink) !important; }
.portfolio-nav #mobileMenuToggle {
    min-width: 44px;
    min-height: 44px;
}

.portfolio-main > section > .portfolio-page-header {
    margin-bottom: clamp(3rem, 7vw, 5rem);
}
.portfolio-page-header {
    max-width: 18ch;
    font-size: clamp(2.25rem, 6vw, 4.75rem) !important;
    font-weight: 400 !important;
    letter-spacing: -0.045em;
    line-height: 0.98;
    text-wrap: balance;
    color: var(--brand-ink) !important;
    font-family: var(--brand-display);
}
.portfolio-page-header::after {
    content: '';
    display: block;
    width: 4.5rem;
    height: 2px;
    margin-top: 1.5rem;
    background: linear-gradient(90deg, var(--portfolio-amber), var(--portfolio-blue));
}
.portfolio-case-study .portfolio-page-header {
    max-width: 22ch;
    font-size: clamp(2rem, 5vw, 3.5rem) !important;
}

.portfolio-page-content { min-width: 0; }
.portfolio-card {
    position: relative;
    border-color: var(--portfolio-border) !important;
    background-color: rgba(255, 255, 255, 0.82) !important;
    background-image: none !important;
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.portfolio-card h2,
.portfolio-card h3 { color: var(--brand-ink); }
.portfolio-card:hover {
    border-color: rgba(37, 99, 235, 0.42) !important;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.09);
    transform: translateY(-2px);
}
.dark-mode .portfolio-card {
    border-color: rgba(148, 163, 184, 0.18) !important;
    background-color: rgba(30, 41, 59, 0.72) !important;
    box-shadow: none;
}
.dark-mode .portfolio-card:hover {
    border-color: rgba(96, 165, 250, 0.48) !important;
    box-shadow: 0 20px 50px rgba(2, 6, 23, 0.34);
}

.experience-hub-card {
    padding: 2rem 0 !important;
    border-width: 1px 0 0 !important;
    border-color: rgba(148, 163, 184, 0.24) !important;
    border-radius: 0;
    background: transparent !important;
    box-shadow: none !important;
}
.experience-hub-card::before {
    position: absolute;
    top: -1px;
    left: 0;
    width: 3.5rem;
    height: 2px;
    background: var(--portfolio-amber);
    content: '';
}
.experience-hub-card:hover { transform: none; background: transparent !important; }
.dark-mode .experience-hub-card,
.dark-mode .experience-hub-card:hover {
    background: transparent !important;
    box-shadow: none !important;
}
.experience-hub-card > div:first-of-type { gap: 1rem; }
.experience-hub-card h2 { max-width: 34ch; font-size: clamp(1.25rem, 2.2vw, 1.65rem); line-height: 1.2; }
.experience-hub-card a { color: var(--portfolio-blue); }
.dark-mode .experience-hub-card a { color: var(--portfolio-blue-dark); }

.portfolio-project-card {
    padding: clamp(1.5rem, 4vw, 2.25rem) !important;
    border-radius: 1rem;
    background-color: var(--brand-pale) !important;
}
.portfolio-project-card > div:first-child { gap: 1rem; }
.portfolio-project-card > div:first-child > div:first-child > div:first-child { background: var(--portfolio-blue) !important; }
.portfolio-project-card:nth-child(even) > div:first-child > div:first-child > div:first-child { background: var(--portfolio-olive) !important; }
.portfolio-project-card > div:first-child > span {
    border: 1px solid rgba(16, 40, 70, 0.16);
    background: var(--brand-paper) !important;
    color: var(--brand-ink) !important;
}
.portfolio-project-tech span {
    border: 1px solid rgba(16, 40, 70, 0.12);
    background: rgba(255, 255, 255, 0.76) !important;
    color: #3e5a70 !important;
}
.portfolio-project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 2.75rem;
    margin-top: 1.25rem;
    padding: 0.65rem 1rem;
    border: 1px solid rgba(16, 40, 70, 0.2);
    border-radius: 999px;
    color: var(--portfolio-blue);
    font-weight: 700;
    text-decoration: none;
    touch-action: manipulation;
}
.portfolio-project-link:hover { background: rgba(255, 255, 255, 0.7); }
.portfolio-project-link:focus-visible { outline: 2px solid var(--portfolio-blue); outline-offset: 3px; }
.portfolio-project-card h2 { line-height: 1.15; }
.portfolio-highlight-card { border-radius: 1rem; background-color: var(--brand-pale) !important; }

.portfolio-skill-category {
    display: grid;
    grid-template-columns: minmax(11rem, 0.38fr) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
    padding: 1.5rem 0;
    border-top: 1px solid var(--portfolio-border);
}
.dark-mode .portfolio-skill-category { border-color: rgba(148, 163, 184, 0.20); }
.portfolio-skill-category h2 { margin: 0; }
.portfolio-skill-category span {
    border: 1px solid rgba(16, 40, 70, 0.14);
    background: var(--brand-pale) !important;
    color: var(--brand-ink) !important;
}

.portfolio-metric {
    border-radius: 1rem;
    background-color: var(--brand-pale) !important;
}
.portfolio-metric > div:first-child { color: var(--portfolio-blue) !important; }

.education-layout {
    display: grid;
    grid-template-columns: minmax(16rem, 0.7fr) minmax(0, 1.3fr);
    gap: clamp(3rem, 8vw, 7rem);
    align-items: start;
}
.education-date,
.education-cert-issuer {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.education-layout h2 {
    margin: 0 0 2rem;
    color: #0f172a;
    font-size: clamp(1.35rem, 2vw, 1.75rem);
    font-weight: 600;
    letter-spacing: -0.025em;
}
.dark-mode .education-layout h2 { color: #f8fafc; }
.education-degree-record {
    padding: 1.75rem 0 0;
    border-top: 2px solid var(--portfolio-amber);
}
.education-date {
    margin-bottom: 1rem;
    color: #64748b;
    font-size: 0.75rem;
}
.education-degree-record h3 {
    margin: 0;
    color: #0f172a;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(1.65rem, 3vw, 2.3rem);
    font-weight: 400;
    line-height: 1.12;
}
.dark-mode .education-degree-record h3 { color: #f8fafc; }
.education-institution { margin-top: 1rem; color: #334155; font-size: 1rem; }
.education-grade { margin-top: 0.35rem; color: #64748b; font-size: 0.88rem; }
.dark-mode .education-date,
.dark-mode .education-grade { color: #94a3b8; }
.dark-mode .education-institution { color: #cbd5e1; }
.education-cert-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid rgba(148, 163, 184, 0.24);
}
.education-cert {
    min-width: 0;
    padding: 1.35rem 1.5rem 1.5rem 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}
.education-cert:nth-child(even) {
    padding-right: 0;
    padding-left: 1.5rem;
    border-left: 1px solid rgba(148, 163, 184, 0.2);
}
.education-cert-issuer {
    margin: 0 0 0.65rem;
    color: var(--portfolio-blue);
    font-size: 0.75rem;
    line-height: 1.4;
}
.education-cert h3 {
    margin: 0;
    color: #1e293b;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    text-wrap: pretty;
}
.dark-mode .education-cert-issuer { color: var(--portfolio-blue-dark); }
.dark-mode .education-cert h3 { color: #e2e8f0; }

.experience-detail-bg {
    min-height: 100vh;
    background:
        radial-gradient(circle at 82% -12%, rgba(127, 182, 210, 0.20), transparent 34rem),
        var(--brand-paper) !important;
    background-attachment: fixed !important;
}
.dark-mode .experience-detail-bg {
    background:
        radial-gradient(circle at 82% -12%, rgba(37, 99, 235, 0.35), transparent 34rem),
        #0f172a !important;
}
.portfolio-case-study {
    padding: 0 !important;
    border: 0;
    background: transparent !important;
    box-shadow: none !important;
}
.experience-detail-main { max-width: 90rem !important; }
.experience-detail-header {
    max-width: 82rem;
    margin: 0 auto clamp(2rem, 4vw, 3rem);
    padding-bottom: clamp(1.75rem, 3vw, 2.5rem);
    border-bottom: 1px solid rgba(148, 163, 184, 0.24);
}
.experience-detail-heading {
    display: grid;
    grid-template-columns: minmax(17rem, 20rem) minmax(0, 70ch);
    gap: 0 clamp(2.5rem, 7vw, 6rem);
    max-width: 82rem;
    justify-content: space-between;
}
.experience-detail-title { grid-column: 2; grid-row: 1 / span 2; }
.experience-detail-meta { grid-column: 1; grid-row: 2; }
.experience-detail-icon {
    grid-column: 1;
    grid-row: 1;
    width: 2.75rem;
    height: 2.75rem;
    flex: 0 0 2.75rem;
    margin-top: 0.2rem;
    border-radius: 0.65rem;
}
.experience-detail-role { margin-top: 1rem; }
.experience-detail-date {
    margin-top: 0.3rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    letter-spacing: 0.04em;
}
.experience-detail-metrics {
    margin: 0 0 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.24);
}
.experience-detail-metrics > .grid { grid-template-columns: 1fr; gap: 0; }
.experience-detail-metrics .portfolio-metric {
    min-width: 0;
    padding: 1rem 0 !important;
    border: 0 !important;
    border-top: 1px solid rgba(148, 163, 184, 0.2) !important;
    border-radius: 0;
    background: transparent !important;
    box-shadow: none;
}
.experience-detail-metrics .portfolio-metric:first-child { padding-top: 0 !important; border-top: 0 !important; }
.experience-detail-metrics .portfolio-metric:hover { transform: none; box-shadow: none; }
.experience-detail-metrics .portfolio-metric > div { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.experience-detail-metrics .portfolio-metric p { line-height: 1.45; }
.experience-detail-layout {
    display: grid;
    grid-template-columns: minmax(17rem, 20rem) minmax(0, 70ch);
    gap: clamp(2.5rem, 7vw, 6rem);
    align-items: start;
    max-width: 82rem;
    margin-inline: auto;
    justify-content: space-between;
}
.experience-detail-rail {
    grid-column: 1;
    grid-row: 1;
    position: sticky;
    top: 2rem;
    min-width: 0;
}
.experience-detail-tech {
    margin-top: 0;
}
.experience-detail-tech h2 {
    margin-bottom: 0.9rem;
    color: #475569;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.dark-mode .experience-detail-tech h2 { color: #94a3b8; }
.experience-detail-tech span { padding: 0.35rem 0.6rem; font-size: 0.75rem; }
.experience-detail-copy { min-width: 0; }
.experience-detail-story { grid-column: 2; grid-row: 1; min-width: 0; counter-reset: story-section; }
.experience-detail-outcome {
    position: relative;
    margin-bottom: clamp(3rem, 6vw, 5rem);
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-left: 3px solid var(--portfolio-amber);
    border-radius: 0.5rem;
    background: var(--brand-pale);
}
.experience-detail-kicker {
    margin: 0 0 0.7rem;
    color: #245474;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.experience-detail-outcome h2 {
    margin: 0 0 1.25rem;
    color: var(--brand-ink);
    font-size: clamp(1.65rem, 3vw, 2.15rem);
    font-weight: 600;
    letter-spacing: -0.025em;
}
.experience-detail-outcome ul { display: grid; gap: 0.85rem; margin: 0; }
.experience-detail-outcome li { line-height: 1.6; }
.experience-detail-outcome li > span:last-child { color: #294661; }
.prose-experience { max-width: 70ch; margin: 0; }
.experience-detail-header .portfolio-page-header {
    margin-bottom: 0.85rem;
    line-height: 1.05;
}
.prose-experience h2 {
    display: block;
    width: 100%;
    margin: 4rem 0 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.24);
    font-size: clamp(1.55rem, 3vw, 2rem);
    letter-spacing: -0.025em;
    color: var(--brand-ink);
    font-family: var(--brand-display);
    font-weight: 400;
}
.prose-experience h2:first-child { margin-top: 0; }
.prose-experience h2::before {
    display: block;
    margin-bottom: 0.55rem;
    color: #526b80;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    counter-increment: story-section;
    content: '0' counter(story-section);
}
.prose-experience h3 { margin: 2.75rem 0 0.9rem; font-size: 1.25rem; line-height: 1.3; }
.prose-experience p { font-size: clamp(1rem, 1.2vw, 1.075rem); line-height: 1.78; }
.prose-experience li { line-height: 1.7; }
.prose-experience pre { overflow-x: auto; }
.experience-detail-footer {
    max-width: 82rem;
    margin-inline: auto;
    margin-top: clamp(3.5rem, 7vw, 6rem) !important;
}

@media (max-width: 640px) {
    .portfolio-main { padding-top: 3rem; padding-bottom: 4rem; }
    .portfolio-main > section > .portfolio-page-header { margin-bottom: 3.25rem; }
    .portfolio-skill-category { grid-template-columns: 1fr; gap: 1rem; }
    .experience-hub-card { padding: 1.5rem 0 !important; }
    .portfolio-project-card > div:first-child { align-items: flex-start; }
    .portfolio-project-card > div:first-child > span { flex-shrink: 0; }
    .portfolio-case-study { padding: 0 !important; border-radius: 0; }
    .experience-detail-header .portfolio-page-header { font-size: clamp(2rem, 10vw, 3rem) !important; }
    .experience-detail-heading { grid-template-columns: 1fr; gap: 0; }
    .experience-detail-icon { width: 2.4rem; height: 2.4rem; margin: 0 0 1.4rem; }
    .experience-detail-icon,
    .experience-detail-title,
    .experience-detail-meta { grid-column: 1; grid-row: auto; }
    .experience-detail-role { margin-top: 0.75rem; }
    .experience-detail-header .portfolio-page-header {
        width: 100%;
        max-width: 100%;
        overflow-wrap: normal;
        font-size: clamp(1.9rem, 9vw, 2.25rem) !important;
    }
    .experience-detail-layout { grid-template-columns: 1fr; gap: 3rem; }
    .experience-detail-rail { position: static; }
    .experience-detail-outcome { padding: 1.35rem; }
    .education-cert-grid { grid-template-columns: 1fr; }
    .education-cert,
    .education-cert:nth-child(even) {
        padding: 1.2rem 0;
        border-left: 0;
    }
}

@media (max-width: 900px) {
    .education-layout { grid-template-columns: 1fr; gap: 3.5rem; }
    .experience-detail-layout { grid-template-columns: 1fr; gap: 3rem; }
    .experience-detail-story,
    .experience-detail-rail { grid-column: 1; grid-row: auto; }
    .experience-detail-rail { position: static; }
    .experience-detail-metrics > .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .experience-detail-metrics .portfolio-metric,
    .experience-detail-metrics .portfolio-metric:first-child {
        padding: 0 1rem !important;
        border-top: 0 !important;
        border-left: 1px solid rgba(148, 163, 184, 0.2) !important;
    }
    .experience-detail-metrics .portfolio-metric:first-child { padding-left: 0 !important; border-left: 0 !important; }
    .experience-detail-metrics .portfolio-metric:last-child { padding-right: 0 !important; }
    .experience-detail-metrics .portfolio-metric > div { font-size: clamp(1.45rem, 8vw, 1.9rem); }
    .experience-detail-metrics .portfolio-metric p { font-size: 0.72rem; }
}

@media (max-width: 640px) {
    .experience-detail-metrics > .grid { grid-template-columns: 1fr; }
    .experience-detail-metrics .portfolio-metric,
    .experience-detail-metrics .portfolio-metric:first-child {
        padding: 1rem 0 !important;
        border-left: 0 !important;
        border-top: 1px solid rgba(148, 163, 184, 0.2) !important;
    }
    .experience-detail-metrics .portfolio-metric:first-child {
        padding-top: 0 !important;
        border-top: 0 !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .portfolio-card { transition: none; }
    .portfolio-card:hover { transform: none; }
}

.animate-page-enter {
    animation: slideDownEnter var(--anim-page-enter) var(--anim-page-enter-ease) forwards;
}

@keyframes slideDownEnter {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.achievement-bullet {
    width: var(--bullet-size);
    height: var(--bullet-size);
    margin-top: var(--bullet-mt);
    margin-right: var(--bullet-mr);
    flex-shrink: 0;
    border-radius: 9999px;
}

@media (prefers-reduced-motion: reduce) {
    .animate-page-enter { animation: none; }
}