:root {
    --bg: #f8fcff;
    --panel: #ffffff;
    --card: #ffffff;
    --accent: #0ea5e9;
    --accent-2: #22c55e;
    --text: #0f172a;
    --muted: #5f6b7b;
    --border: #e5e7eb;
    --shadow: 0 20px 55px rgba(15, 23, 42, 0.1);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: #f8fcff;
}

a { color: inherit; text-decoration: none; }

.container {
    width: min(1100px, 92vw);
    margin: 0 auto;
    padding: 2.2rem 0 2rem;
}

.hero {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.8rem;
    padding: 1.6rem 1.8rem 1.3rem;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid #dbeafe;
    box-shadow: var(--shadow);
}

.hero-text h1 {
    margin: 0.2rem 0 0.35rem;
    font-size: clamp(30px, 3vw, 38px);
    letter-spacing: 0.2px;
}

.lead {
    margin: 0.1rem 0 0.4rem;
    color: #1f2937;
    font-size: 1.05rem;
}

.muted { color: var(--muted); }
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.75rem;
    color: var(--muted);
    margin: 0;
}

.hero-note {
    margin: 0.15rem 0 0;
    font-size: 0.95rem;
    color: var(--muted);
}

.system-gallery {
    margin-top: 1.8rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.1rem;
}

.system-card {
    display: flex;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.system-card:hover {
    transform: translateY(-4px);
    border-color: rgba(14, 165, 233, 0.35);
    box-shadow: 0 26px 66px rgba(14, 165, 233, 0.16);
}

.system-card.disabled {
    cursor: not-allowed;
    opacity: 0.8;
}

.system-card__main {
    display: flex;
    flex: 1;
    flex-direction: column;
}

.system-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #e0f2fe;
    display: grid;
    place-items: center;
    overflow: hidden;
}

.system-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.system-card__body {
    padding: 1rem 1.1rem 1.2rem;
    display: grid;
    gap: 0.35rem;
}

.system-card__title {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.slug { font-family: "SFMono-Regular", "Menlo", monospace; }

.pill {
    padding: 0.22rem 0.65rem;
    border-radius: 999px;
    background: rgba(14, 165, 233, 0.14);
    color: #0f172a;
    font-weight: 700;
    border: 1px solid rgba(14, 165, 233, 0.28);
    font-size: 0.8rem;
}

.pill.muted {
    background: rgba(0, 0, 0, 0.04);
    color: var(--muted);
    border-color: rgba(0, 0, 0, 0.04);
}

.system-card h3 {
    margin: 0;
    font-size: 1.15rem;
    color: #0f172a;
}

.system-card p {
    margin: 0;
    color: #334155;
    font-size: 0.97rem;
    line-height: 1.5;
}

.system-card__actions {
    padding: 0 1.1rem 1rem;
}

.privacy-link {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0.35rem 0.7rem;
    border: 1px solid rgba(14, 165, 233, 0.28);
    border-radius: 8px;
    color: #0369a1;
    font-size: 0.88rem;
    font-weight: 700;
}

.privacy-link:hover {
    background: rgba(14, 165, 233, 0.08);
}

.page-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
}

.footer-copy { margin: 0; font-weight: 600; color: #0f172a; }
.footer-links { margin: 0.25rem 0 0.15rem; color: var(--muted); }
.footer-meta { margin: 0.3rem 0 0; font-size: 0.78rem; color: #94a3b8; }

@media (max-width: 720px) {
    .container { padding: 1.4rem 0.6rem 1.6rem; }
    .hero { grid-template-columns: 1fr; }
    .hero-badge { width: 100%; }
}

.site-header {
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
}

.site-header .container {
    width: min(1180px, calc(100vw - 56px));
    padding-left: 0;
    padding-right: 0;
}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    color: #0f172a;
    min-height: 64px;
}

.brand img {
    width: auto;
    height: 64px;
    object-fit: contain;
    display: block;
}

.brand .brand-logo {
    max-width: min(220px, 42vw);
    height: 38px;
    object-fit: contain;
}

.nav-links {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.nav-links a {
    color: #0f172a;
    text-decoration: none;
    font-weight: 600;
}

.nav-links a:hover {
    color: #0ea5e9;
}

.lang-switch {
    padding: 0.25rem 0.45rem;
    border-radius: 10px;
    border: 1px solid transparent;
    font-size: 0.9rem;
}

.lang-switch.active {
    border-color: rgba(14, 165, 233, 0.4);
    background: rgba(14, 165, 233, 0.1);
}

.error-shell {
    display: grid;
    gap: 1.3rem;
    margin-top: 1rem;
}

.error-card {
    background: #ffffff;
    border: 1px solid #dbeafe;
    box-shadow: var(--shadow);
    border-radius: 16px;
    padding: 1.8rem 1.6rem;
    display: grid;
    gap: 0.6rem;
}

.error-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.92rem;
    color: var(--muted);
}

.error-code {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    border-radius: 18px;
    background: linear-gradient(135deg, #e0f2fe, #e0f7f4);
    color: #0ea5e9;
    font-weight: 800;
    font-size: 1.4rem;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
}

.error-title {
    margin: 0;
    font-size: clamp(24px, 2.6vw, 30px);
    color: #0f172a;
}

.error-desc {
    margin: 0;
    color: #334155;
    font-size: 1rem;
    line-height: 1.6;
}

.error-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1rem;
    border-radius: 12px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
    text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background: linear-gradient(135deg, #0ea5e9, #22d3ee);
    color: #0b1120;
    border-color: #0ea5e9;
    box-shadow: 0 12px 35px rgba(14, 165, 233, 0.3);
}

.btn-ghost {
    background: rgba(14, 165, 233, 0.08);
    color: #0f172a;
    border-color: rgba(14, 165, 233, 0.35);
}

.hint {
    font-size: 0.9rem;
    color: var(--muted);
}

.privacy-shell {
    display: grid;
    gap: 1.2rem;
    margin-top: 1rem;
}

.privacy-header {
    display: grid;
    gap: 0.45rem;
    padding: 1.2rem 0 0.4rem;
}

.privacy-header h1 {
    margin: 0;
    font-size: clamp(28px, 3vw, 40px);
}

.privacy-meta {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.privacy-back {
    justify-self: start;
    color: #0369a1;
    font-weight: 700;
}

.privacy-content {
    background: #ffffff;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    padding: 1.3rem;
    box-shadow: var(--shadow);
    line-height: 1.75;
}

.privacy-content h2,
.privacy-content h3 {
    margin-top: 1.4rem;
    margin-bottom: 0.5rem;
}

.privacy-content p,
.privacy-content ul,
.privacy-content ol {
    color: #334155;
}

.privacy-content a {
    color: #0369a1;
    text-decoration: underline;
}

.feedback-form {
    display: grid;
    gap: 1rem;
}

.feedback-form .form-label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 700;
    color: #0f172a;
}

.feedback-form .form-control,
.feedback-form .form-select {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 0.72rem 0.8rem;
    font: inherit;
    color: #0f172a;
    background: #ffffff;
}

.feedback-form textarea.form-control {
    resize: vertical;
    min-height: 180px;
}

.feedback-form .text-danger {
    display: block;
    margin-top: 0.35rem;
    color: #b91c1c;
    font-size: 0.92rem;
}

.feedback-honeypot {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.feedback-device-context {
    border: 1px solid #dbeafe;
    border-radius: 8px;
    padding: 0.85rem;
    background: #f8fafc;
}

.feedback-device-context__title {
    margin-bottom: 0.65rem;
    font-weight: 800;
    color: #0f172a;
}

.feedback-device-context dl {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.65rem;
    margin: 0;
}

.feedback-device-context dt {
    margin: 0 0 0.15rem;
    color: #64748b;
    font-size: 0.82rem;
    font-weight: 700;
}

.feedback-device-context dd {
    margin: 0;
    color: #0f172a;
    overflow-wrap: anywhere;
}

.system-detail {
    display: grid;
    gap: 1.2rem;
    margin-top: 1rem;
}

.system-detail__hero {
    display: grid;
    grid-template-columns: minmax(260px, 0.9fr) minmax(280px, 1.1fr);
    gap: 1.2rem;
    align-items: stretch;
    background: #ffffff;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.system-detail__image {
    min-height: 280px;
    background: #e0f2fe;
}

.system-detail__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.system-detail__summary {
    display: grid;
    align-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
}

.system-detail__summary h1 {
    margin: 0;
    font-size: clamp(30px, 3.2vw, 42px);
}

.system-detail__description {
    margin: 0;
    color: #334155;
    font-size: 1.05rem;
    line-height: 1.6;
}

.system-detail__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: 0.2rem;
}

.system-detail__content {
    background: #ffffff;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    padding: 1.3rem;
    box-shadow: var(--shadow);
    line-height: 1.75;
}

.system-detail__content-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
}

.system-detail__content-header h2 {
    margin: 0;
    font-size: clamp(22px, 2.5vw, 30px);
}

.system-detail__content-header span {
    color: var(--muted);
    font-size: 0.88rem;
}

.system-detail__content h2,
.system-detail__content h3 {
    margin-top: 1.4rem;
    margin-bottom: 0.5rem;
}

.system-detail__content p,
.system-detail__content ul,
.system-detail__content ol {
    color: #334155;
}

.system-detail__content a {
    color: #0369a1;
    text-decoration: underline;
}

.developer-contact {
    display: grid;
    gap: 1.2rem;
    margin-top: 1rem;
}

.developer-contact__profile {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.1rem;
    align-items: center;
    padding: 1.3rem;
    background: #ffffff;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.developer-contact__avatar {
    width: 92px;
    height: 92px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: #e0f2fe;
    color: #0369a1;
    font-weight: 800;
    font-size: 1.6rem;
    border: 1px solid rgba(14, 165, 233, 0.25);
}

.developer-contact__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.developer-contact__meta {
    margin: 0 0 0.2rem;
    color: var(--muted);
    text-transform: uppercase;
    font-size: 0.76rem;
    font-weight: 700;
}

.developer-contact__summary h1 {
    margin: 0;
    font-size: clamp(28px, 3vw, 40px);
}

.developer-contact__headline {
    margin: 0.35rem 0 0;
    color: #334155;
    line-height: 1.55;
}

.developer-contact__updated {
    display: block;
    margin-top: 0.45rem;
    color: var(--muted);
    font-size: 0.86rem;
}

.developer-contact__bio {
    padding: 1.25rem 1.3rem;
    background: #ffffff;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    box-shadow: var(--shadow);
    line-height: 1.75;
}

.developer-contact__bio p,
.developer-contact__bio ul,
.developer-contact__bio ol {
    color: #334155;
}

.developer-contact__links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.8rem;
}

.developer-contact__link {
    min-height: 64px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: #ffffff;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    box-shadow: 0 16px 42px rgba(15, 23, 42, 0.08);
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.developer-contact__link--copy {
    width: 100%;
    cursor: pointer;
    text-align: left;
    font: inherit;
}

.developer-contact__link--copy.copied .developer-contact__link-arrow {
    color: #16a34a;
}

.developer-contact__link:hover {
    transform: translateY(-2px);
    border-color: rgba(14, 165, 233, 0.42);
    box-shadow: 0 20px 48px rgba(14, 165, 233, 0.14);
}

.developer-contact__link-badge {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: rgba(14, 165, 233, 0.12);
    color: #0369a1;
    font-weight: 800;
    font-size: 0.78rem;
}

.developer-contact__link-badge img {
    width: 22px;
    height: 22px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.developer-contact__link-label {
    font-weight: 700;
    color: #0f172a;
}

.developer-contact__link-value {
    min-width: 0;
    color: #475569;
    font-size: 0.92rem;
    overflow-wrap: anywhere;
}

.developer-contact__link-arrow {
    color: #0ea5e9;
    font-weight: 800;
}

@media (max-width: 560px) {
    .developer-contact__profile {
        grid-template-columns: 1fr;
    }

    .system-detail__hero {
        grid-template-columns: 1fr;
    }

    .system-detail__image {
        min-height: 200px;
    }

    .system-detail__content-header {
        display: grid;
        gap: 0.35rem;
    }
}

/* Portfolio homepage v1 */
:root {
    --portfolio-ink: #0a1628;
    --portfolio-ink-2: #13253b;
    --portfolio-muted: #66758a;
    --portfolio-line: #dce6ee;
    --portfolio-line-strong: #b9cfdd;
    --portfolio-paper: #ffffff;
    --portfolio-page: #f7fafc;
    --portfolio-soft: #eef7fb;
    --portfolio-accent: #0077c8;
    --portfolio-accent-2: #00a878;
    --portfolio-shadow: 0 22px 54px rgba(10, 22, 40, 0.09);
    --portfolio-shadow-soft: 0 14px 34px rgba(10, 22, 40, 0.07);
}

.brand-mark {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 8px;
    color: #ffffff;
    background: var(--portfolio-ink);
    font-size: 1rem;
    font-weight: 900;
}

.brand-copy {
    display: grid;
    gap: 2px;
    line-height: 1;
}

.brand-copy span:first-child {
    color: var(--portfolio-ink);
    font-size: 1rem;
    font-weight: 900;
}

.brand-copy span:last-child {
    color: var(--portfolio-muted);
    font-size: 0.76rem;
    font-weight: 700;
}

.nav-link {
    color: var(--portfolio-muted);
    font-size: 0.92rem;
    font-weight: 800;
}

.nav-link:hover {
    color: var(--portfolio-ink);
}

.language-dropdown {
    position: relative;
}

.language-dropdown::after {
    position: absolute;
    right: 0;
    top: 100%;
    display: none;
    width: 190px;
    height: 10px;
    content: "";
}

.language-dropdown__button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 0 12px;
    border: 1px solid var(--portfolio-line-strong);
    border-radius: 8px;
    color: var(--portfolio-ink-2);
    background: var(--portfolio-paper);
    box-shadow: var(--portfolio-shadow-soft);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 900;
    cursor: pointer;
}

.language-dropdown__icon {
    display: inline-grid;
    width: 18px;
    height: 18px;
    place-items: center;
    border-radius: 50%;
    color: #ffffff;
    background: var(--portfolio-accent);
    font-size: 0.7rem;
    line-height: 1;
}

.language-dropdown__caret {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--portfolio-muted);
}

.language-dropdown__menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 30;
    display: none;
    width: 190px;
    padding: 8px;
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: var(--portfolio-paper);
    box-shadow: 0 22px 50px rgba(10, 22, 40, 0.16);
}

.language-dropdown:hover .language-dropdown__menu,
.language-dropdown:focus-within .language-dropdown__menu,
.language-dropdown.is-open .language-dropdown__menu {
    display: block;
}

.language-dropdown:hover::after,
.language-dropdown:focus-within::after,
.language-dropdown.is-open::after {
    display: block;
}

.language-dropdown__option {
    display: grid;
    grid-template-columns: 18px 1fr auto;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 8px;
    border-radius: 8px;
    color: var(--portfolio-ink-2);
    font-size: 0.9rem;
    font-weight: 800;
}

.language-dropdown__option:hover,
.language-dropdown__option.active {
    background: var(--portfolio-soft);
    color: var(--portfolio-accent);
}

.language-dropdown__code {
    color: var(--portfolio-muted);
    font-size: 0.74rem;
    font-weight: 900;
}

.portfolio-main {
    width: 100%;
    padding: 0;
}

.portfolio-shell {
    width: min(1180px, calc(100vw - 56px));
    margin: 0 auto;
}

.portfolio-hero {
    border-bottom: 1px solid var(--portfolio-line);
    background: linear-gradient(180deg, #ffffff 0%, #f4f9fc 100%);
}

.portfolio-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
    gap: 42px;
    align-items: center;
    padding: 74px 0 58px;
}

.portfolio-hero__copy {
    min-width: 0;
}

.portfolio-eyebrow {
    margin: 0 0 14px;
    color: var(--portfolio-accent);
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.portfolio-hero h1 {
    max-width: 760px;
    margin: 0;
    color: var(--portfolio-ink);
    font-size: clamp(46px, 6.2vw, 76px);
    line-height: 0.96;
    letter-spacing: 0;
}

.portfolio-hero__lead {
    max-width: 650px;
    margin: 24px 0 0;
    color: #33465c;
    font-size: 1.14rem;
    line-height: 1.72;
}

.portfolio-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.portfolio-btn {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 900;
}

.portfolio-btn:hover {
    transform: translateY(-1px);
}

.portfolio-btn--primary {
    color: #ffffff;
    background: var(--portfolio-ink);
}

.portfolio-btn--secondary {
    color: var(--portfolio-ink);
    background: rgba(255, 255, 255, 0.82);
    border-color: var(--portfolio-line-strong);
}

.portfolio-showcase {
    display: grid;
    gap: 14px;
}

.portfolio-showcase__primary {
    display: grid;
    grid-template-columns: 116px 1fr;
    gap: 18px;
    align-items: center;
    padding: 18px;
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: var(--portfolio-paper);
    box-shadow: var(--portfolio-shadow);
}

.portfolio-showcase__icon {
    display: grid;
    aspect-ratio: 1;
    place-items: center;
    overflow: hidden;
    border-radius: 26px;
    background: #fffdf4;
    box-shadow: inset 0 0 0 1px rgba(10, 22, 40, 0.04);
}

.portfolio-showcase__icon img {
    width: 86px;
    height: 86px;
    max-width: 88%;
    max-height: 88%;
    box-sizing: border-box;
    object-fit: contain;
    display: block;
}

.portfolio-showcase__label {
    color: var(--portfolio-accent);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.portfolio-showcase__primary h2 {
    margin: 7px 0;
    color: var(--portfolio-ink);
    font-size: 1.52rem;
}

.portfolio-showcase__primary p {
    margin: 0;
    color: #33465c;
    line-height: 1.55;
}

.portfolio-showcase__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.portfolio-showcase__mini {
    overflow: hidden;
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: var(--portfolio-paper);
    box-shadow: var(--portfolio-shadow-soft);
}

.portfolio-showcase__mini-media {
    display: grid;
    aspect-ratio: 16 / 10;
    place-items: center;
    overflow: hidden;
    background: var(--portfolio-soft);
}

.portfolio-showcase__mini img {
    width: min(72px, calc(100% - 0.9rem));
    height: min(72px, calc(100% - 0.9rem));
    box-sizing: border-box;
    object-fit: contain;
    display: block;
}

.portfolio-showcase__mini > span:last-child {
    display: block;
    padding: 12px;
    color: var(--portfolio-ink);
    font-weight: 900;
}

.portfolio-section {
    padding: 58px 0;
    background: var(--portfolio-page);
}

.portfolio-section__heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.portfolio-section__heading h2 {
    margin: 0;
    color: var(--portfolio-ink);
    font-size: clamp(28px, 3vw, 42px);
    line-height: 1.05;
}

.portfolio-section__heading p {
    max-width: 430px;
    margin: 0;
    color: var(--portfolio-muted);
    line-height: 1.58;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.portfolio-card {
    overflow: hidden;
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: var(--portfolio-paper);
    box-shadow: var(--portfolio-shadow);
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.portfolio-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 119, 200, 0.35);
    box-shadow: 0 24px 58px rgba(0, 119, 200, 0.12);
}

.portfolio-card__link {
    display: grid;
    height: 100%;
}

.portfolio-card__media {
    display: grid;
    aspect-ratio: 16 / 10;
    place-items: center;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(238, 247, 251, 0.92)),
        var(--portfolio-soft);
}

.portfolio-card__media img {
    display: block;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    object-fit: cover;
}

.portfolio-card__body {
    display: grid;
    gap: 13px;
    padding: 18px;
}

.portfolio-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: var(--portfolio-muted);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
}

.portfolio-platform {
    display: inline-flex;
    min-height: 24px;
    align-items: center;
    padding: 0 8px;
    border: 1px solid rgba(0, 119, 200, 0.22);
    border-radius: 999px;
    color: var(--portfolio-accent);
    background: rgba(0, 119, 200, 0.06);
}

.portfolio-card h3 {
    margin: 0;
    color: var(--portfolio-ink);
    font-size: 1.22rem;
    line-height: 1.2;
}

.portfolio-card p {
    margin: 0;
    min-height: 70px;
    color: #33465c;
    font-size: 0.96rem;
    line-height: 1.56;
}

.portfolio-card__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 6px;
    border-top: 1px solid var(--portfolio-line);
    color: var(--portfolio-accent);
    font-weight: 900;
}

.portfolio-card__actions span:last-child {
    color: var(--portfolio-ink);
}

.portfolio-empty {
    display: grid;
    gap: 4px;
    padding: 20px;
    border: 1px dashed var(--portfolio-line-strong);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.72);
}

.portfolio-empty strong {
    color: var(--portfolio-ink);
}

.portfolio-empty span {
    color: var(--portfolio-muted);
}

.portfolio-footer {
    margin-top: 0;
    padding: 30px 0 42px;
    border-top: 1px solid var(--portfolio-line);
    background: var(--portfolio-page);
}

@media (max-width: 920px) {
    .portfolio-shell {
        width: min(100% - 32px, 1180px);
    }

    .portfolio-hero__grid {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 52px 0 40px;
    }

    .portfolio-hero h1 {
        font-size: clamp(38px, 10vw, 54px);
    }

    .portfolio-section__heading {
        display: grid;
        gap: 8px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-card p {
        min-height: 0;
    }
}

@media (max-width: 720px) {
    .site-nav,
    .nav-bar {
        min-height: 64px;
    }

    .brand-mark {
        width: 32px;
        height: 32px;
    }

    .brand-copy span:first-child {
        font-size: 0.92rem;
    }

    .brand-copy span:last-child,
    .nav-link {
        display: none;
    }

    .language-dropdown__button {
        min-height: 34px;
        padding: 0 9px;
        font-size: 0.82rem;
    }

    .portfolio-hero__lead {
        font-size: 1rem;
        line-height: 1.62;
    }

    .portfolio-hero__actions {
        display: grid;
    }

    .portfolio-showcase__primary {
        grid-template-columns: 86px 1fr;
        gap: 14px;
    }

    .portfolio-showcase__primary h2 {
        font-size: 1.2rem;
    }

    .portfolio-showcase__primary p {
        font-size: 0.9rem;
    }

    .portfolio-showcase__row {
        grid-template-columns: 1fr;
    }
}

/* Portfolio app detail v1 */
.app-detail-hero {
    border-bottom: 1px solid var(--portfolio-line);
    background: linear-gradient(180deg, #ffffff 0%, #f4f9fc 100%);
}

.app-detail-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
    gap: 48px;
    align-items: center;
    padding: 64px 0 58px;
}

.app-detail-hero__copy {
    min-width: 0;
}

.app-detail-back {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    margin-bottom: 28px;
    color: var(--portfolio-muted);
    font-size: 0.9rem;
    font-weight: 800;
}

.app-detail-back::before {
    content: "<";
    margin-right: 8px;
    color: var(--portfolio-accent);
}

.app-detail-title {
    display: grid;
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 18px;
    align-items: center;
}

.app-detail-icon {
    display: grid;
    width: 86px;
    aspect-ratio: 1;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--portfolio-line);
    border-radius: 24px;
    background: #fffdf4;
    box-shadow: var(--portfolio-shadow-soft);
}

.app-detail-icon img {
    display: block;
    width: 78%;
    height: 78%;
    object-fit: contain;
}

.app-detail-title h1 {
    max-width: 760px;
    margin: 0;
    color: var(--portfolio-ink);
    font-size: clamp(42px, 5.4vw, 64px);
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0;
}

.app-detail-lead {
    max-width: 650px;
    margin: 26px 0 0;
    color: #33465c;
    font-size: 1.1rem;
    line-height: 1.72;
}

.app-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.app-detail-tags span {
    display: inline-flex;
    min-height: 32px;
    align-items: center;
    padding: 0 11px;
    border: 1px solid var(--portfolio-line-strong);
    border-radius: 999px;
    color: var(--portfolio-ink-2);
    background: rgba(255, 255, 255, 0.78);
    font-size: 0.86rem;
    font-weight: 800;
}

.app-detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.app-detail-btn {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 850;
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.app-detail-btn:hover {
    transform: translateY(-1px);
}

.app-detail-btn--primary {
    color: #075985;
    background: #e8f5fb;
    border-color: rgba(0, 119, 200, 0.26);
    box-shadow: 0 12px 26px rgba(0, 119, 200, 0.08);
}

.app-detail-btn--secondary {
    color: var(--portfolio-ink);
    background: rgba(255, 255, 255, 0.82);
    border-color: var(--portfolio-line-strong);
}

.app-detail-preview {
    overflow: hidden;
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: var(--portfolio-paper);
    box-shadow: var(--portfolio-shadow);
}

.app-detail-preview__bar {
    display: flex;
    min-height: 46px;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
    border-bottom: 1px solid var(--portfolio-line);
    background: #fbfdfe;
}

.app-detail-preview__bar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #c8d6e0;
}

.app-detail-preview__bar span:nth-child(2) {
    background: #8fc7ad;
}

.app-detail-preview__bar span:nth-child(3) {
    background: #6aa9d9;
}

.app-detail-preview__bar strong {
    min-width: 0;
    margin-left: 8px;
    overflow: hidden;
    color: var(--portfolio-ink-2);
    font-size: 0.88rem;
    font-weight: 850;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-detail-preview__media {
    display: grid;
    min-height: 400px;
    place-items: center;
    padding: 28px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.65), rgba(238, 247, 251, 0.94)),
        var(--portfolio-soft);
}

.app-detail-preview__media img {
    display: block;
    max-width: 100%;
    max-height: 340px;
    object-fit: contain;
    border: 1px solid rgba(10, 22, 40, 0.05);
    border-radius: 8px;
    box-shadow: 0 18px 42px rgba(10, 22, 40, 0.11);
}

.app-detail-section {
    padding: 58px 0;
    background: var(--portfolio-page);
}

.app-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 24px;
    align-items: start;
}

.app-detail-main {
    display: grid;
    gap: 18px;
}

.app-detail-panel,
.app-detail-download,
.app-detail-resources {
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: var(--portfolio-paper);
    box-shadow: var(--portfolio-shadow-soft);
}

.app-detail-panel {
    padding: 28px;
}

.app-detail-panel h2 {
    max-width: 760px;
    margin: 0 0 12px;
    color: var(--portfolio-ink);
    font-size: clamp(27px, 2.8vw, 40px);
    font-weight: 800;
    line-height: 1.1;
}

.app-detail-panel p,
.app-detail-panel li,
.app-detail-markdown p,
.app-detail-markdown li {
    color: #33465c;
    line-height: 1.72;
}

.app-detail-markdown > :first-child {
    margin-top: 0;
}

.app-detail-markdown > :last-child {
    margin-bottom: 0;
}

.app-detail-markdown h2,
.app-detail-markdown h3 {
    color: var(--portfolio-ink);
    font-weight: 800;
}

.app-detail-markdown a {
    color: var(--portfolio-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.app-detail-features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.app-detail-feature {
    display: grid;
    gap: 8px;
    min-height: 122px;
    padding: 18px;
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: var(--portfolio-paper);
    box-shadow: var(--portfolio-shadow-soft);
}

.app-detail-feature strong {
    color: var(--portfolio-ink);
    font-size: 1.04rem;
    font-weight: 850;
}

.app-detail-feature span {
    color: var(--portfolio-muted);
    line-height: 1.55;
}

.app-detail-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 18px;
}

.app-detail-section-heading h2 {
    margin: 0;
}

.app-detail-section-heading p {
    max-width: 380px;
    margin: 0;
    color: var(--portfolio-muted);
    line-height: 1.58;
}

.app-detail-screenshot {
    overflow: hidden;
    margin: 0;
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: #fbfdfe;
}

.app-detail-screenshot-grid {
    display: grid;
    gap: 14px;
}

.app-detail-screenshot-grid .app-detail-screenshot + .app-detail-screenshot {
    margin-top: 0;
}

.app-detail-screenshot img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    padding: 14px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(238, 247, 251, 0.94)),
        var(--portfolio-soft);
}

.app-detail-screenshot figcaption {
    padding: 12px 14px;
    border-top: 1px solid var(--portfolio-line);
    color: var(--portfolio-ink-2);
    font-size: 0.9rem;
    font-weight: 850;
}

.app-detail-sidebar {
    position: sticky;
    top: 94px;
    display: grid;
    gap: 14px;
}

.app-detail-download {
    display: grid;
    gap: 14px;
    padding: 18px;
}

.app-detail-download h2 {
    margin: 0;
    color: var(--portfolio-ink);
    font-size: 1.18rem;
    font-weight: 850;
}

.app-detail-download p {
    margin: 0;
    color: var(--portfolio-muted);
    line-height: 1.58;
}

.app-detail-download .app-detail-btn {
    width: 100%;
}

.app-detail-download__links {
    display: grid;
    gap: 10px;
}

.app-detail-download__groups {
    display: grid;
    gap: 12px;
}

.app-detail-download__group {
    display: grid;
    gap: 8px;
    padding: 10px;
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: #fbfdfe;
}

.app-detail-download__platform {
    color: var(--portfolio-ink-2);
    font-size: 0.8rem;
    font-weight: 850;
}

.app-detail-available {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--portfolio-accent-2);
    box-shadow: 0 0 0 6px rgba(0, 168, 120, 0.12);
}

.app-detail-unavailable {
    display: block;
    padding: 12px;
    border: 1px dashed var(--portfolio-line-strong);
    border-radius: 8px;
    color: var(--portfolio-muted);
    font-weight: 800;
}

.app-detail-resources {
    display: grid;
    padding: 8px;
}

.app-detail-resources a {
    display: flex;
    min-height: 44px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 10px;
    border-radius: 8px;
    color: var(--portfolio-ink-2);
    font-size: 0.94rem;
    font-weight: 850;
}

.app-detail-resources a:hover {
    background: var(--portfolio-soft);
    color: var(--portfolio-accent);
}

.app-detail-resources a span:last-child {
    color: var(--portfolio-accent);
}

/* Portfolio support/privacy/feedback pages */
.app-assist-hero {
    border-bottom: 1px solid var(--portfolio-line);
    background: linear-gradient(180deg, #ffffff 0%, #f4f9fc 100%);
}

.app-assist-hero__inner {
    padding: 52px 0 44px;
}

.app-assist-hero h1 {
    max-width: 840px;
    margin: 0;
    color: var(--portfolio-ink);
    font-size: clamp(38px, 5vw, 58px);
    font-weight: 800;
    line-height: 1.04;
    letter-spacing: 0;
}

.app-assist-lead {
    max-width: 680px;
    margin: 18px 0 0;
    color: #33465c;
    font-size: 1.05rem;
    line-height: 1.68;
}

.app-assist-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.app-assist-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.app-assist-tags span {
    display: inline-flex;
    min-height: 32px;
    align-items: center;
    padding: 0 11px;
    border: 1px solid var(--portfolio-line-strong);
    border-radius: 999px;
    color: var(--portfolio-ink-2);
    background: rgba(255, 255, 255, 0.78);
    font-size: 0.86rem;
    font-weight: 800;
}

.app-assist-section {
    padding: 48px 0 64px;
    background: var(--portfolio-page);
}

.app-assist-layout {
    display: grid;
    grid-template-columns: minmax(0, 880px);
}

.app-assist-layout--form {
    grid-template-columns: minmax(0, 760px);
}

.app-assist-panel {
    border: 1px solid var(--portfolio-line);
    border-radius: 8px;
    background: var(--portfolio-paper);
    box-shadow: var(--portfolio-shadow-soft);
}

.app-assist-markdown {
    padding: 30px;
    color: #33465c;
    line-height: 1.76;
}

.app-assist-markdown > :first-child {
    margin-top: 0;
}

.app-assist-markdown > :last-child {
    margin-bottom: 0;
}

.app-assist-markdown h2,
.app-assist-markdown h3 {
    color: var(--portfolio-ink);
    font-weight: 800;
}

.app-assist-markdown h2 {
    margin-top: 1.8rem;
    font-size: clamp(24px, 2.4vw, 32px);
}

.app-assist-markdown h3 {
    margin-top: 1.45rem;
    font-size: 1.18rem;
}

.app-assist-markdown p,
.app-assist-markdown li {
    color: #33465c;
}

.app-assist-markdown a {
    color: var(--portfolio-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.app-assist-form {
    padding: 24px;
}

.app-assist-form .mb-3 {
    margin: 0;
}

.app-assist-form .form-label {
    color: var(--portfolio-ink);
    font-size: 0.94rem;
    font-weight: 850;
}

.app-assist-form .form-control,
.app-assist-form .form-select {
    border-color: var(--portfolio-line-strong);
    background: #fbfdfe;
    color: var(--portfolio-ink);
    box-shadow: none;
}

.app-assist-form .form-control:focus,
.app-assist-form .form-select:focus {
    border-color: rgba(0, 119, 200, 0.42);
    outline: 3px solid rgba(0, 119, 200, 0.12);
}

.app-assist-form textarea.form-control {
    min-height: 190px;
}

.app-assist-form .text-danger {
    color: #b42318;
    font-weight: 750;
}

.app-assist-form .app-detail-btn {
    justify-self: start;
}

.app-assist-success {
    display: grid;
    gap: 10px;
    padding: 24px;
}

.app-assist-success__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--portfolio-accent-2);
    box-shadow: 0 0 0 7px rgba(0, 168, 120, 0.12);
}

.app-assist-success strong {
    color: var(--portfolio-ink);
    font-size: 1.18rem;
    font-weight: 850;
}

.app-assist-success p {
    margin: 0;
    color: var(--portfolio-muted);
    line-height: 1.6;
}

@media (max-width: 960px) {
    .app-detail-hero__grid,
    .app-detail-layout {
        grid-template-columns: 1fr;
    }

    .app-detail-preview__media {
        min-height: 320px;
    }

    .app-detail-sidebar {
        position: static;
    }
}

@media (max-width: 720px) {
    .app-assist-hero__inner {
        padding: 38px 0 34px;
    }

    .app-assist-hero h1 {
        font-size: clamp(32px, 9vw, 44px);
    }

    .app-assist-lead {
        font-size: 1rem;
        line-height: 1.62;
    }

    .app-assist-actions {
        display: grid;
    }

    .app-assist-actions .app-detail-btn,
    .app-assist-form .app-detail-btn {
        width: 100%;
    }

    .app-assist-section {
        padding: 34px 0 48px;
    }

    .app-assist-markdown,
    .app-assist-form,
    .app-assist-success {
        padding: 20px;
    }

    .app-detail-hero__grid {
        gap: 26px;
        padding: 40px 0;
    }

    .app-detail-title {
        grid-template-columns: 72px minmax(0, 1fr);
        gap: 14px;
    }

    .app-detail-icon {
        width: 72px;
        border-radius: 20px;
    }

    .app-detail-title h1 {
        font-size: clamp(34px, 10vw, 48px);
    }

    .app-detail-lead {
        font-size: 1rem;
        line-height: 1.62;
    }

    .app-detail-actions,
    .app-detail-features {
        grid-template-columns: 1fr;
        display: grid;
    }

    .app-detail-btn {
        width: 100%;
    }

    .app-detail-panel {
        padding: 20px;
    }

    .app-detail-section-heading {
        display: grid;
        gap: 8px;
    }

    .app-detail-preview__media {
        min-height: 260px;
        padding: 18px;
    }

    .app-detail-preview__media img {
        max-height: 220px;
    }
}