/* ---------- Tokens ---------- */
:root {
  --bg: #ffffff;
  --bg-alt: #f3f7f8;
  --surface: #ffffff;
  --border: #dbe6e9;
  --text: #16191f;
  --muted: #5b6472;
  --brand: #0e7089;
  --accent: #0e7089;
  --accent-strong: #0a5568;
  --accent-soft: #e4f2f5;
  --on-accent: #ffffff;
  --warn: #0e7089;
  --warn-soft: #e4f2f5;
  --code-bg: #f3f8f9;
  --code-text: #16262b;
  --code-muted: #5f7a82;
  --code-kw: #0e7089;
  --code-num: #0a5568;
  --code-fn: #0e7089;
  --code-attr: #2a8ea8;
  --code-op: #44606a;
  --code-border: #d3e4e8;
  --code-dot: #c4d8dd;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .06);
  --radius: 10px;
  --font: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1316; --bg-alt: #0f1b1f; --surface: #13232a; --border: #1f363e;
    --text: #e6eaf0; --muted: #98a2b3; --accent: #5bb8cc; --accent-strong: #8fd3e2;
    --accent-soft: #0f2e36; --on-accent: #0b1220; --warn: #5bb8cc; --warn-soft: #0f2e36;
    --code-bg: #071419; --code-text: #dcebef; --code-muted: #7d9aa2; --code-kw: #5ccbe0; --code-num: #b5e3ec; --code-fn: #5ccbe0; --code-attr: #8fd3e2; --code-op: #a9cdd6; --code-border: #16323a; --code-dot: #1f3f48; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1316; --bg-alt: #0f1b1f; --surface: #13232a; --border: #1f363e;
  --text: #e6eaf0; --muted: #98a2b3; --accent: #5bb8cc; --accent-strong: #8fd3e2;
  --accent-soft: #0f2e36; --on-accent: #0b1220; --warn: #5bb8cc; --warn-soft: #0f2e36;
  --code-bg: #071419; --code-text: #dcebef; --code-muted: #7d9aa2; --code-kw: #5ccbe0; --code-num: #b5e3ec; --code-fn: #5ccbe0; --code-attr: #8fd3e2; --code-op: #a9cdd6; --code-border: #16323a; --code-dot: #1f3f48; --shadow: none; color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .9em; }
:not(pre) > code { background: var(--accent-soft); color: var(--accent-strong); padding: .1em .35em; border-radius: 4px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--brand); color: #fff; padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px;
  border-radius: 8px; border: 1px solid transparent; font: 600 .95rem var(--font);
  cursor: pointer; text-decoration: none !important; transition: background .15s, border-color .15s;
}
.btn-sm { padding: 7px 14px; font-size: .88rem; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: #0a5568; }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); }
.icon-btn {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer;
}
.text-link { font-weight: 600; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--muted); font-weight: 500; font-size: .95rem; }
.nav a:hover, .nav a.active { color: var(--text); text-decoration: none; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 40px; background: radial-gradient(1200px 400px at 80% -10%, var(--accent-soft), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: start; }
.eyebrow { font: 600 .78rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: .8em; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 60ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 32px; }
.why { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
.why li { font-size: .93rem; color: var(--muted); padding-left: 14px; border-left: 2px solid var(--accent); }
.why strong { color: var(--text); display: block; }
.hero-visual { display: grid; gap: 16px; }

.tree-card { margin: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.tree-card svg { width: 100%; height: auto; display: block; }
.tree-card .edges path { stroke: var(--muted); stroke-width: 1.5; fill: none; }
.tree-card .alt-arc { stroke: var(--text) !important; }
.tree-card .nodes rect { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.2; }
.tree-card .nodes text { fill: var(--text); font: 500 13px var(--font); text-anchor: middle; }
.tree-card .mand { fill: var(--text); }
.tree-card .opt { fill: var(--surface); stroke: var(--text); stroke-width: 1.5; }
.tree-card figcaption { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .82rem; margin-top: 8px; }
.lg { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: -1px; border: 1.5px solid var(--text); }
.lg-mand { background: var(--text); }
.lg-alt { border-radius: 10px 10px 0 0; border-bottom: 0; height: 6px; transform: rotate(180deg); }

.trust { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 32px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--border); }
.award { display: inline-flex; align-items: center; gap: 10px; color: var(--text); background: var(--warn-soft); padding: 8px 14px; border-radius: 999px; font-size: .9rem; }
.award svg { color: var(--warn); }
.award:hover { text-decoration: none; }
.institutions { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 0; margin: 0; color: var(--muted); font-size: .88rem; font-weight: 500; }

/* ---------- Code ---------- */
.code-card { background: var(--code-bg); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--code-border); min-width: 0; }
.code-head { display: flex; align-items: center; gap: 6px; padding: 9px 12px; border-bottom: 1px solid var(--code-border); }
.code-head .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--code-dot); }
.code-head .file { font: .8rem var(--mono); color: var(--code-muted); margin-left: 6px; }
.copy { margin-left: auto; background: transparent; color: var(--code-muted); border: 1px solid var(--code-dot); border-radius: 6px; font: 500 .75rem var(--font); padding: 3px 9px; cursor: pointer; }
.copy:hover { color: var(--code-text); border-color: var(--code-muted); }
.code-card pre { margin: 0; padding: 16px 18px; overflow-x: auto; }
.code-card code { color: var(--code-text); font-size: .86rem; line-height: 1.6; }
.uvl .kw { color: var(--code-kw); font-weight: 600; }
.uvl .num { color: var(--code-num); }
.uvl .fn { color: var(--code-fn); }
.uvl .attr { color: var(--code-attr); }
.uvl .cm { color: var(--code-muted); font-style: italic; }
.uvl .op { color: var(--code-op); }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-head { margin-bottom: 40px; }
.sub { margin-top: 48px; font-size: 1.25rem; }
.narrow { max-width: 70ch; }
.note { margin-top: 20px; color: var(--muted); font-size: .93rem; }

.concepts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.concept { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.concept > code { font-weight: 600; }
.concept p { margin: 8px 0 0; font-size: .9rem; color: var(--muted); }

.levels { display: grid; grid-template-columns: 300px 1fr; gap: 20px; margin-top: 20px; }
.level-stack { display: flex; flex-direction: column-reverse; gap: 8px; justify-content: flex-end; }
.level {
  text-align: left; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; cursor: pointer; color: var(--text); font: inherit; display: grid; gap: 2px;
  transition: border-color .15s, background .15s;
}
.level:hover { border-color: var(--accent); }
.level[aria-selected="true"] { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
.level-name { font-weight: 600; }
.level-ext { font-size: .82rem; color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1.3fr; gap: 16px; margin-top: 16px; }
.link-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }

/* ---------- Tabs, chips ---------- */
.segmented { display: inline-flex; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 4px; margin-bottom: 24px; }
.segmented button { border: 0; background: transparent; color: var(--muted); font: 600 .92rem var(--font); padding: 8px 18px; border-radius: 7px; cursor: pointer; }
.segmented button[aria-selected="true"] { background: var(--brand); color: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip { border: 1px solid var(--border); background: var(--surface); color: var(--muted); border-radius: 999px; padding: 6px 14px; font: 500 .86rem var(--font); cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.card {
  display: flex; flex-direction: column; gap: 6px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; color: var(--text); transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-2px); }
.card h3 { margin: 0; }
.card p { margin: 0; font-size: .92rem; color: var(--muted); flex: 1; }
.card-cat { font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--accent); }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; margin-top: 8px; font-size: .8rem; color: var(--muted); }
.card[hidden] { display: none; }
.tag { display: inline-block; font: 500 .75rem var(--mono); background: var(--bg-alt); border: 1px solid var(--border); color: var(--muted); padding: 1px 7px; border-radius: 5px; white-space: nowrap; }
.tag-warn { color: var(--warn); background: var(--warn-soft); border-color: transparent; }

/* ---------- Tables ---------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.repos { width: 100%; border-collapse: collapse; font-size: .92rem; }
.repos th, .repos td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.repos td:nth-child(2) { white-space: normal; min-width: 220px; color: var(--muted); }
.repos tr:last-child td { border-bottom: 0; }
.repos th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; background: var(--bg-alt); }
.repos .num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Project ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.stat-value { display: block; font: 600 2rem var(--mono); color: var(--accent); }
.stat-label { font-size: .88rem; color: var(--muted); }
.project-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; }
.timeline { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--border); }
.timeline li { display: grid; grid-template-columns: 64px 1fr; gap: 12px; padding: 0 0 22px 20px; position: relative; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent); }
.timeline li:last-child::before { background: var(--brand); }
.tl-year { font: 600 .95rem var(--mono); color: var(--accent); }
.timeline p { margin: 2px 0 0; font-size: .92rem; color: var(--muted); }
.side { display: grid; gap: 14px; align-content: start; margin-top: 48px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.panel p { font-size: .92rem; }
.uvlep-list { list-style: none; padding: 0; margin: 0 0 14px; font-size: .9rem; display: grid; gap: 8px; }
.uvlep-list .tag { margin-right: 6px; }

.cite { display: grid; grid-template-columns: 1fr 1.2fr; gap: 28px; margin-top: 56px; padding: 28px; border-radius: 14px; background: var(--accent-soft); align-items: center; }
.cite h3 { font-size: 1.3rem; }
.cite p { font-size: .93rem; }
.badge { display: inline-block; background: var(--warn-soft); color: var(--warn); font-weight: 600; font-size: .85rem; padding: 4px 12px; border-radius: 999px; }
.cite .code-card code { font-size: .78rem; }

.pubs { list-style: none; padding: 0; margin: 0; }
.pubs li { display: grid; grid-template-columns: 56px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.pubs li[hidden] { display: none; }
.pubs a { font-weight: 600; color: var(--text); }
.pubs a:hover { color: var(--accent); }
.pubs p { margin: 2px 0 0; font-size: .86rem; }
.pub-year { font: 500 .9rem var(--mono); color: var(--muted); }

/* ---------- Community ---------- */
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.inst { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.inst h3 { font-size: 1rem; }
.inst h3 .muted { font-weight: 400; }
.inst ul { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 10px; }
.inst li { display: flex; align-items: center; gap: 10px; }
.inst a { color: var(--text); font-weight: 500; }
.avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); font: 600 .78rem var(--mono); flex: none; }
.contributors { margin-top: 20px; font-size: .93rem; }
.paths { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.flow-wrap { margin-top: 8px; }
.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: f; }
.flow li { position: relative; padding: 18px 18px 18px 0; }
.flow li:not(:last-child)::after { content: ""; position: absolute; top: 34px; left: 44px; right: 8px; height: 2px; background: linear-gradient(90deg, var(--accent), var(--border)); }
.flow-n { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: #fff; font: 600 .9rem var(--mono); margin-bottom: 12px; position: relative; z-index: 1; }
.flow p { margin: 4px 0 0; font-size: .88rem; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-grid .panel { margin-top: 24px; }
.contact-form { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px; display: grid; gap: 16px; box-shadow: var(--shadow); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: grid; gap: 6px; font-weight: 500; font-size: .92rem; }
.contact-form input, .contact-form select, .contact-form textarea {
  font: 400 .95rem var(--font); color: var(--text); background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px; width: 100%;
}
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.contact-form .check { display: flex; align-items: flex-start; gap: 10px; font-weight: 400; color: var(--muted); }
.contact-form .check input { width: auto; margin-top: 4px; }
.contact-form .btn { justify-self: start; }
.hp { position: absolute !important; left: -9999px; }
.form-status { margin: 0; font-size: .92rem; min-height: 1.4em; }
.form-status.ok { color: #1a8f4c; }
.form-status.err { color: #c43c3c; }

/* ---------- Ecosystem catalogue ---------- */
.eco-numbers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 8px; }
.eco-numbers div, .mv-stats div { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; display: grid; }
.eco-numbers strong, .mv-stats strong { font: 600 1.9rem var(--mono); color: var(--accent); line-height: 1.2; }
.eco-numbers span, .mv-stats span { font-size: .86rem; color: var(--muted); }
.featured { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat {
  background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--brand);
  border-radius: var(--radius); padding: 20px; display: flex; flex-direction: column; gap: 6px; box-shadow: var(--shadow);
}
.feat h3 { font-size: 1.3rem; margin: 0; }
.feat-tag { font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin: 0; }
.feat-by, .card-by { font-size: .82rem; color: var(--muted); margin: 0; flex: none !important; }
.feat-desc { font-size: .93rem; margin: 4px 0; flex: 1; }
.plugins { display: flex; flex-wrap: wrap; gap: 5px; margin: 0; }
.install { display: grid; gap: 6px; margin-top: 4px; }
.install code, .pkg {
  display: block; background: var(--code-bg); color: var(--code-text); border: 1px solid var(--code-border); font-size: .8rem; padding: 7px 10px;
  border-radius: 6px; overflow-x: auto; white-space: nowrap;
}
.pkg { margin-top: 4px; }
.links { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; margin: 8px 0 0; font-size: .9rem; font-weight: 600; }
.eco-switch { margin-top: 56px; }
.catalog-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-bottom: 14px; }
.search { display: flex; align-items: center; gap: 8px; flex: 1 1 320px; max-width: 480px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 0 12px; color: var(--muted); }
.search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search input { border: 0; outline: 0; background: transparent; color: var(--text); font: 400 .95rem var(--font); padding: 10px 0; width: 100%; }
.chip-n { opacity: .7; font-size: .78em; margin-left: 2px; }
.cat-block { margin-top: 28px; }
.cat-block[hidden] { display: none; }
.cat-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-bottom: 12px; }
.cat-head h3 { margin: 0; font-size: 1.1rem; }
.cat-head p { margin: 0; font-size: .9rem; }
.card.tool:hover { transform: none; }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.card h4 { margin: 0; font-size: 1.02rem; }
.card-links { display: inline-flex; gap: 12px; margin-left: auto; font-weight: 600; }
.empty { text-align: center; padding: 32px 0; }
.cta-strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: 36px; padding: 20px 24px; border-radius: 12px; background: var(--accent-soft);
}
.cta-strip div { display: grid; gap: 2px; }

/* ---------- MODEVAR ---------- */
#modevar { background: linear-gradient(180deg, var(--accent-soft), var(--bg) 340px); }
.modevar-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.modevar-head .cta-row { margin-bottom: 0; }
.mv-stats { display: grid; gap: 12px; }
.editions {
  list-style: none; padding: 0; margin: 8px 0 0; display: grid; grid-auto-flow: column; grid-auto-columns: 230px;
  gap: 12px; overflow-x: auto; padding-bottom: 12px; scroll-snap-type: x mandatory;
}
.edition { scroll-snap-align: start; }
.edition a {
  display: grid; gap: 4px; height: 100%; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; color: var(--text);
}
.edition a:hover { border-color: var(--accent); text-decoration: none; }
.edition.star a { border-color: var(--brand); box-shadow: inset 0 3px 0 var(--brand); }
.ed-n { font: 600 .8rem var(--mono); color: var(--accent); }
.ed-venue { font-weight: 700; font-size: 1.05rem; }
.ed-meta { font-size: .8rem; color: var(--muted); }
.ed-hl { font-size: .86rem; color: var(--muted); margin-top: 4px; }
.mv-grid { display: grid; grid-template-columns: 1fr 1fr 300px; gap: 16px; margin-top: 32px; align-items: start; }
.mv-grid h3 { font-size: 1.15rem; }
.talks { margin: 12px 0 0; padding-left: 18px; font-size: .9rem; display: grid; gap: 6px; }
.talks a { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 2px; }
.mv-side { display: grid; gap: 16px; }
.next ul, .sc { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; font-size: .9rem; }
.next li strong { display: block; margin-top: 4px; }
.next li p { margin: 2px 0 0; font-size: .86rem; }
.sc { gap: 6px; }
.small { font-size: .82rem; margin: 12px 0 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 48px 0 24px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer-grid h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.footer-grid > div > a:not(.brand) { display: block; color: var(--text); margin-bottom: 6px; }
.footer-grid p { margin-top: 12px; max-width: 42ch; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--border); font-size: .83rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero-grid, .project-grid, .contact-grid, .cite { grid-template-columns: 1fr; }
  .featured { grid-template-columns: repeat(2, 1fr); }
  .eco-numbers { grid-template-columns: repeat(2, 1fr); }
  .modevar-head, .mv-grid { grid-template-columns: 1fr; }
  .mv-stats { grid-template-columns: repeat(3, 1fr); }
  .concepts { grid-template-columns: repeat(3, 1fr); }
  .team { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .side { margin-top: 0; }
}
@media (max-width: 820px) {
  .wrap { padding: 0 16px; }
  .menu-btn { display: inline-grid; }
  .header-actions { margin-left: auto; }
  .nav {
    display: none; position: absolute; top: 60px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 16px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 10px 0; }
  .header-actions .btn { display: none; }
  .levels, .two-col { grid-template-columns: 1fr; }
  .level-stack { flex-direction: row; overflow-x: auto; }
  .level { flex: 1 0 150px; }
  .level-ext { display: none; }
  .flow { grid-template-columns: 1fr; }
  .flow li { display: grid; grid-template-columns: 34px 1fr; column-gap: 14px; padding: 0 0 18px; }
  .flow li .flow-n { grid-row: span 2; margin: 0; }
  .flow li:not(:last-child)::after { top: 34px; bottom: 0; left: 16px; right: auto; width: 2px; height: auto; background: var(--border); }
  .section { padding: 64px 0; }
  .hero { padding-top: 48px; }
}
@media (max-width: 560px) {
  .featured, .mv-stats { grid-template-columns: 1fr; }
  .why, .concepts, .team, .field-row, .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 20px; }
  .cite { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}