/* ─── General ──────────────────────────────────────────────── */
:root {
    --pt-primary: #4f46e5;
    --pt-primary-dark: #3730a3;
    --pt-accent: #06b6d4;
    --pt-accent-dark: #0891b2;
    --pt-surface: #f8fafc;
    --pt-surface-alt: #f1f5f9;
    --pt-text: #1e293b;
    --pt-text-muted: #64748b;
    --pt-border: #e2e8f0;
    --pt-gradient: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
    --pt-gradient-soft: linear-gradient(135deg, #eef2ff 0%, #ecfeff 100%);
    --pt-radius: 12px;
    --pt-shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);
    --pt-shadow-lg: 0 10px 25px rgba(0, 0, 0, .08), 0 4px 10px rgba(0, 0, 0, .04);
    --pt-code-bg: #f6f8fa;
    --pt-code-inline-bg: #f6f8fa;
    --pt-code-border: #d0d7de;
    --pt-code-text: #24292e;
    --pt-code-comment: #6a737d;
    --pt-code-keyword: #d73a49;
    --pt-code-string: #032f62;
    --pt-code-number: #005cc5;
    --pt-code-function: #6f42c1;
    --pt-code-method: #6f42c1;
    --pt-code-argument: #e36209;
    --pt-code-type: #d73a49;
    --pt-code-variable: #e36209;
}

/* ─── Code blocks ─────────────────────────────────────────── */
p code,
li code,
td code,
th code,
h1 code,
h2 code,
h3 code,
h4 code,
h5 code,
h6 code {
    background: var(--pt-code-inline-bg);
    border: 1px solid rgba(15, 23, 42, .08);
    border-radius: 6px;
    color: var(--pt-code-text);
    font-family: "JetBrains Mono", "Fira Code", SFMono-Regular, Consolas, monospace;
    font-size: .92em;
    padding: .12rem .4rem;
}

div.sourceCode {
    background: var(--pt-code-bg);
    border: 1px solid var(--pt-code-border);
    border-radius: var(--pt-radius);
    box-shadow: var(--pt-shadow);
    margin: 1.25rem 0;
}

div.sourceCode pre.sourceCode {
    background: transparent;
    color: var(--pt-code-text);
    font-family: "JetBrains Mono", "Fira Code", SFMono-Regular, Consolas, monospace;
    font-size: .92rem;
    line-height: 1.6;
    padding: 1rem 1.2rem;
}

div.sourceCode code.sourceCode>span,
div.sourceCode pre.sourceCode>code.sourceCode>span,
div.sourceCode code span {
    color: var(--pt-code-text);
}

div.sourceCode code span.an,
div.sourceCode code span.co,
div.sourceCode code span.cv,
div.sourceCode code span.do,
div.sourceCode code span.in,
div.sourceCode code span.re {
    color: var(--pt-code-comment);
}

div.sourceCode code span.at,
div.sourceCode code span.dt {
    color: var(--pt-code-type);
}

div.sourceCode code span.bn,
div.sourceCode code span.cn,
div.sourceCode code span.dv,
div.sourceCode code span.fl,
div.sourceCode code span.sc {
    color: var(--pt-code-number);
}

div.sourceCode code span.cf,
div.sourceCode code span.kw,
div.sourceCode code span.pp {
    color: var(--pt-code-keyword);
}

div.sourceCode code span.ch,
div.sourceCode code span.im,
div.sourceCode code span.ss,
div.sourceCode code span.st,
div.sourceCode code span.vs {
    color: var(--pt-code-string);
}

div.sourceCode code span.bu,
div.sourceCode code span.ex {
    color: var(--pt-code-keyword);
}

div.sourceCode code span.fu {
    color: var(--pt-code-function);
}

div.sourceCode code span.va {
    color: var(--pt-code-variable);
}

div.sourceCode code span.pt-code-function {
    color: var(--pt-code-function);
}

div.sourceCode code span.pt-code-method {
    color: var(--pt-code-method);
}

div.sourceCode code span.pt-code-argument {
    color: var(--pt-code-argument);
}

div.sourceCode code span.op {
    color: var(--pt-code-text);
}

/* ─── Hero ─────────────────────────────────────────────────── */
.hero-banner {
    background: var(--pt-gradient);
    color: #fff;
    padding: 5rem 2rem 4.5rem;
    text-align: center;
    border-radius: 0 0 2rem 2rem;
    margin: -1.5rem -1rem 3rem;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, .12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, .08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, .18);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, .25);
    padding: .35rem 1rem;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: .03em;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 auto .75rem;
    max-width: 720px;
    letter-spacing: -.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: .88;
    max-width: 560px;
    margin: 0 auto 2.2rem;
    line-height: 1.55;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: .9rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .72rem 1.6rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    text-decoration: none !important;
    transition: transform .15s, box-shadow .15s;
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--pt-shadow-lg);
}

.hero-btn-primary {
    background: #fff;
    color: var(--pt-primary);
}

.hero-btn-secondary {
    background: rgba(255, 255, 255, .15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .35);
}

/* ─── Section helpers ──────────────────────────────────────── */
.section-label {
    text-transform: uppercase;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--pt-primary);
    margin-bottom: .4rem;
}

.section-heading {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--pt-text);
    margin-bottom: .5rem;
}

.section-desc {
    color: var(--pt-text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    text-align: center;
    line-height: 1.6;
}

/* ─── Feature cards ────────────────────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.4rem;
    margin-bottom: 3.5rem;
}

.feature-card {
    background: #fff;
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius);
    padding: 1.8rem 1.5rem;
    transition: box-shadow .2s, transform .2s;
}

.feature-card:hover {
    box-shadow: var(--pt-shadow-lg);
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 1.7rem;
    margin-bottom: .7rem;
    display: inline-block;
    background: var(--pt-gradient-soft);
    width: 3rem;
    height: 3rem;
    line-height: 3rem;
    text-align: center;
    border-radius: 10px;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 .4rem;
    color: var(--pt-text);
}

.feature-card p {
    color: var(--pt-text-muted);
    font-size: .92rem;
    line-height: 1.55;
    margin: 0;
}

/* ─── Interface cards ──────────────────────────────────────── */
.interface-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.4rem;
    margin-bottom: 3.5rem;
}

.interface-card {
    background: #fff;
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius);
    overflow: hidden;
    transition: box-shadow .2s, transform .2s;
}

.interface-card:hover {
    box-shadow: var(--pt-shadow-lg);
    transform: translateY(-3px);
}

.interface-card-header {
    background: var(--pt-gradient-soft);
    padding: 1.2rem 1.5rem .9rem;
    border-bottom: 1px solid var(--pt-border);
}

.interface-card-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--pt-text);
}

.interface-card-header p {
    margin: .25rem 0 0;
    font-size: .82rem;
    color: var(--pt-text-muted);
}

.interface-card-body {
    padding: 1.3rem 1.5rem;
}

.interface-card-body ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.interface-card-body li {
    padding: .35rem 0;
    font-size: .9rem;
    color: var(--pt-text);
    display: flex;
    align-items: baseline;
    gap: .45rem;
}

.interface-card-body li::before {
    content: "✓";
    color: var(--pt-accent-dark);
    font-weight: 700;
}

.interface-link {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-size: .88rem;
    font-weight: 600;
    color: var(--pt-primary);
    text-decoration: none !important;
}

.interface-link:hover {
    text-decoration: underline !important;
}

/* ─── Code showcase ────────────────────────────────────────── */
.code-showcase {
    background: var(--pt-surface-alt);
    border-radius: var(--pt-radius);
    padding: 2rem 1.5rem 1.8rem;
    margin-bottom: 3.5rem;
    border: 1px solid var(--pt-border);
}

.code-showcase .panel-tabset .nav-link {
    font-weight: 600;
    font-size: .88rem;
}

/* ─── Install strip ────────────────────────────────────────── */
.install-strip {
    background: var(--pt-gradient);
    color: #fff;
    text-align: center;
    padding: 2.8rem 2rem;
    border-radius: var(--pt-radius);
    margin-bottom: 3rem;
}

.install-strip h2 {
    font-size: 1.45rem;
    font-weight: 700;
    margin: 0 0 .6rem;
    color: #fff;
}

.install-strip p {
    opacity: .88;
    margin: 0 0 1.4rem;
    font-size: .95rem;
}

.install-cmd {
    display: inline-block;
    background: rgba(0, 0, 0, .25);
    color: #e2e8f0;
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: .95rem;
    padding: .65rem 1.6rem;
    border-radius: 999px;
    letter-spacing: .02em;
    user-select: all;
}

/* ─── Citation card ────────────────────────────────────────── */
.citation-card {
    background: #fff;
    border: 1px solid var(--pt-border);
    border-left: 4px solid var(--pt-primary);
    border-radius: var(--pt-radius);
    padding: 1.6rem 1.8rem;
    margin-bottom: 2rem;
}

.citation-card h3 {
    margin: 0 0 .6rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--pt-text);
}

/* ─── Page-level overrides for the landing page ────────────── */
.landing-page #title-block-header {
    display: none;
}

.landing-page .quarto-title-block {
    display: none;
}

.landing-page #quarto-document-content {
    max-width: 960px;
    margin: 0 auto;
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
    .hero-banner {
        padding: 3.5rem 1.2rem 3rem;
        margin: -1rem -.5rem 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

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

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