/* Agentic AI Bridge — Markus van Kempen developer portal theme */
:root {
    --bg-void: #06090f;
    --bg-page: #0a0f18;
    --bg-raised: #0f1520;
    --bg-card: #141c2b;
    --bg-card-hover: #1a2438;
    --border: #243044;
    --border-glow: rgba(69, 137, 255, 0.25);

    --text-primary: #eef2f8;
    --text-secondary: #9aa8be;
    --text-muted: #6b7a94;

    --accent-blue: #4589ff;
    --accent-blue-soft: #78a9ff;
    --accent-teal: #3ddbd9;
    --accent-purple: #be95ff;
    --accent-violet: #8a3ffc;
    --accent-quantum: #a78bfa;

    --cat-maximo: #4589ff;
    --cat-wxo: #be95ff;
    --cat-mcp: #3ddbd9;
    --cat-quantum: #8a3ffc;
    --cat-cli: #8d8d8d;

    --radius: 8px;
    --radius-lg: 12px;
    --transition: 180ms cubic-bezier(0.2, 0, 0.38, 0.9);
    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
    --header-h: 56px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-page);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

/* subtle mesh */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(69, 137, 255, 0.12), transparent 50%),
        radial-gradient(ellipse 60% 40% at 90% 10%, rgba(138, 63, 252, 0.08), transparent 45%),
        radial-gradient(ellipse 50% 30% at 50% 100%, rgba(61, 219, 217, 0.06), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

body > * { position: relative; z-index: 1; }

a { color: inherit; }

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Header ─────────────────────────────────── */
.header {
    position: sticky;
    top: 0;
    z-index: 200;
    height: var(--header-h);
    background: rgba(6, 9, 15, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header__brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--text-primary);
}

.header__logo {
    width: 38px;
    height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    box-shadow: 0 0 20px rgba(69, 137, 255, 0.35);
}

.header__name {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.header__tag {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
}

.header__nav {
    margin-left: auto;
    display: flex;
    gap: 0.25rem;
}

.header__nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 0.4rem 0.85rem;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
}

.header__nav a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

/* ── Hero ───────────────────────────────────── */
.hero {
    padding: 4.5rem 0 3.5rem;
    border-bottom: 1px solid var(--border);
}

.hero__grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-teal);
    margin-bottom: 1.25rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid rgba(61, 219, 217, 0.3);
    border-radius: 100px;
    background: rgba(61, 219, 217, 0.08);
}

.hero__eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-teal);
    box-shadow: 0 0 8px var(--accent-teal);
}

.hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 300;
    line-height: 1.12;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero h1 em,
.hero__tagline em {
    font-style: normal;
    font-weight: 600;
    background: linear-gradient(90deg, var(--accent-blue-soft), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__h1-accent {
    font-weight: 400;
    color: var(--text-secondary);
    -webkit-text-fill-color: var(--text-secondary);
}

.hero__tagline {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: 0.85rem;
    letter-spacing: -0.01em;
}

.hero__lead {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: 1.75rem;
}

.hero__lead code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    color: var(--accent-teal);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.25rem;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn svg { width: 16px; height: 16px; fill: currentColor; }

.btn--primary {
    background: linear-gradient(135deg, var(--accent-blue), #3366cc);
    color: #fff;
    box-shadow: 0 4px 20px rgba(69, 137, 255, 0.3);
}

.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 28px rgba(69, 137, 255, 0.4);
}

.btn--ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-blue-soft);
}

.hero__platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.platform-pill {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    padding: 0.3rem 0.7rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    text-decoration: none;
    transition: border-color var(--transition), color var(--transition);
}

.platform-pill:hover {
    color: var(--accent-blue-soft);
    border-color: var(--border-glow);
}

/* MCP flow diagram */
.hero__flow {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
}

.flow-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 1.5rem;
}

.flow-chain {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: stretch;
}

.flow-node {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-raised);
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1.4;
}

.flow-node--ide {
    border-color: rgba(190, 149, 255, 0.35);
    background: rgba(190, 149, 255, 0.06);
    color: var(--accent-purple);
}

.flow-node--mcp {
    border-color: rgba(61, 219, 217, 0.4);
    background: rgba(61, 219, 217, 0.08);
    color: var(--accent-teal);
    font-family: var(--font-mono);
    font-size: 12px;
}

.flow-node--api {
    border-color: rgba(69, 137, 255, 0.35);
    background: rgba(69, 137, 255, 0.06);
    color: var(--accent-blue-soft);
}

.flow-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.35rem 0;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.flow-connector::before {
    content: '';
    width: 2px;
    height: 12px;
    background: linear-gradient(var(--border), var(--accent-teal));
    margin-bottom: 4px;
}

/* ── Stats ──────────────────────────────────── */
.stats {
    border-bottom: 1px solid var(--border);
    background: var(--bg-raised);
}

.stats__inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
}

.stat {
    background: var(--bg-raised);
    padding: 2rem 1.5rem;
    text-align: center;
}

.stat__value {
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1;
}

.stat__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* ── How it works ───────────────────────────── */
.how {
    padding: 4rem 0;
    border-bottom: 1px solid var(--border);
}

.section-eyebrow {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-teal);
    margin-bottom: 0.6rem;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 300;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.section-lead {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 2.5rem;
    line-height: 1.65;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.step {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.step__num {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    color: var(--accent-teal);
    margin-bottom: 0.75rem;
}

.step h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Projects ───────────────────────────────── */
.projects {
    padding: 4rem 0 5rem;
}

.tool-index {
    position: sticky;
    top: var(--header-h);
    z-index: 100;
    margin-bottom: 2rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: rgba(10, 15, 24, 0.92);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tool-index__row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.65rem;
}

.tool-index__label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    min-width: 4.5rem;
}

.tool-index a {
    font-size: 12px;
    font-weight: 500;
    color: var(--accent-blue-soft);
    text-decoration: none;
    padding: 0.2rem 0.55rem;
    border-radius: 100px;
    border: 1px solid transparent;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.tool-index a:hover {
    color: var(--accent-teal);
    border-color: var(--border);
    background: var(--bg-card);
}

.ext-card,
.cat-header {
    scroll-margin-top: calc(var(--header-h) + 4.5rem);
}

.cat-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2.5rem 0 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.cat-header:first-child {
    border-top: none;
    padding-top: 0;
}

.cat-header__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.cat-header--maximo .cat-header__icon { background: rgba(69, 137, 255, 0.15); }
.cat-header--wxo .cat-header__icon { background: rgba(190, 149, 255, 0.15); }
.cat-header--mcp .cat-header__icon { background: rgba(61, 219, 217, 0.12); }
.cat-header--quantum .cat-header__icon { background: rgba(138, 63, 252, 0.15); }

.cat-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.cat-header p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

.cat-header--maximo h2 { color: var(--cat-maximo); }
.cat-header--wxo h2 { color: var(--cat-wxo); }
.cat-header--mcp h2 { color: var(--cat-mcp); }
.cat-header--quantum h2 { color: var(--cat-quantum); }

.ext-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.ext-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.ext-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.ext-card--labs {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(190, 149, 255, 0.08) 0%, var(--bg-card) 55%);
    border-color: rgba(190, 149, 255, 0.25);
}

.ext-card__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 11px;
    font-weight: 600;
    padding: 0.2rem 0.65rem;
    border-radius: 100px;
    width: fit-content;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.ext-card__badge--vscode {
    background: rgba(69, 137, 255, 0.12);
    color: var(--accent-blue-soft);
    border: 1px solid rgba(69, 137, 255, 0.3);
}

.ext-card__badge--cursor {
    background: rgba(190, 149, 255, 0.1);
    color: var(--accent-purple);
    border: 1px solid rgba(190, 149, 255, 0.3);
}

.ext-card__badge--mcp {
    background: rgba(61, 219, 217, 0.1);
    color: var(--accent-teal);
    border: 1px solid rgba(61, 219, 217, 0.3);
}

.ext-card__badge--cli {
    background: rgba(141, 141, 141, 0.12);
    color: #c6c6c6;
    border: 1px solid rgba(141, 141, 141, 0.3);
}

.ext-card__badge--wxo {
    background: rgba(190, 149, 255, 0.12);
    color: var(--accent-purple);
    border: 1px solid rgba(190, 149, 255, 0.3);
}

.ext-card__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    line-height: 1.3;
}

.ext-card__desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.65;
    flex: 1;
    margin-bottom: 1.25rem;
}

.ext-card__desc code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background: rgba(0, 0, 0, 0.35);
    color: var(--accent-teal);
    padding: 0.1em 0.35em;
    border-radius: 4px;
}

.ext-card__features {
    list-style: none;
    margin-bottom: 1.25rem;
}

.ext-card__features li {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 0.25rem 0;
    padding-left: 1rem;
    position: relative;
}

.ext-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent-teal);
}

.ext-card__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    margin-top: auto;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.ext-card__link {
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-blue-soft);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: color var(--transition);
}

.ext-card__link:hover { color: var(--accent-teal); }

.ext-card__link svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
    opacity: 0.8;
}

/* ── About ──────────────────────────────────── */
.about {
    padding: 4rem 0;
    background: var(--bg-raised);
    border-top: 1px solid var(--border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 1rem;
}

.about-tools-link {
    margin-top: 0.25rem;
}

.about-tools-link a {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-blue-soft);
    text-decoration: none;
}

.about-tools-link a:hover {
    color: var(--accent-teal);
}

.about-links {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.about-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    transition: border-color var(--transition), background var(--transition);
}

.about-link:hover {
    border-color: var(--accent-teal);
    background: var(--bg-card-hover);
}

.about-link svg {
    width: 18px;
    height: 18px;
    fill: var(--text-muted);
    flex-shrink: 0;
}

/* ── Footer ─────────────────────────────────── */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    background: var(--bg-void);
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer__text {
    font-size: 13px;
    color: var(--text-muted);
}

.footer__links {
    display: flex;
    gap: 1.25rem;
}

.footer__links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    transition: color var(--transition);
}

.footer__links a:hover { color: var(--accent-blue-soft); }

/* ── Responsive ─────────────────────────────── */
@media (max-width: 900px) {
    .hero__grid { grid-template-columns: 1fr; }
    .hero__flow { order: -1; }
    .stats__inner { grid-template-columns: repeat(2, 1fr); }
    .ext-card--labs { grid-column: 1 / -1; }
    .steps { grid-template-columns: 1fr; }
    .ext-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .header__tag { display: none; }
    .header__nav a:not(:last-child) { display: none; }
    .header__nav a[href="#tool-index"] { display: inline; }
    .stats__inner { grid-template-columns: 1fr 1fr; }
    .tool-index__label { min-width: 100%; margin-bottom: 0.15rem; }
}