/* ==========================================================================
   KNOWLEDGE HUB — DreamVU Theme
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ─── TOKENS ─────────────────────────────────────────────────────────────── */
:root {
    --bg:          #0f1419;
    --bg-deep:     #0b1729;
    --bg-card:     #1a2a3f;
    --bg-card-2:   #1e3351;
    --orange:      #f5a623;
    --orange-2:    #ffb84d;
    --blue:        #3b82f6;
    --cyan:        #06b6d4;
    --grad-orange: linear-gradient(135deg, #f5a623, #ff6b35);
    --grad-blue:   linear-gradient(135deg, #3b82f6, #06b6d4);
    --t1:          #f0f2f5;
    --t2:          #94a3b8;
    --t3:          #64748b;
    --border:      rgba(255,255,255,0.08);
    --border-2:    rgba(255,255,255,0.05);
    --radius:      12px;
    --radius-sm:   8px;
    --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ─── RESET ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

/* ─── BASE ───────────────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--t1);
    margin: 0;
    padding: 0;
    padding-top: 72px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--t1);
    line-height: 1.25;
    margin: 0 0 0.6em;
    letter-spacing: -0.01em;
}

p {
    color: var(--t2);
    margin: 0 0 1rem;
}

a {
    color: var(--orange);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover { color: var(--orange-2); }

img, svg { max-width: 100%; height: auto; }

/* ─── FIXED NAV ──────────────────────────────────────────────────────────── */
header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 72px;
    background: rgba(11, 23, 41, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    align-items: center;
}

nav {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-logo { display: flex; align-items: center; flex-shrink: 0; }

.nav-logo-img {
    width: 180px;
    height: auto;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    flex: 1;
    justify-content: center;
}

.nav-links a {
    color: var(--t2);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.nav-links a:hover { color: var(--orange); }

/* Dropdown */
.nav-dropdown { position: relative; display: flex; align-items: center; }

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.nav-chevron {
    color: var(--t3);
    transition: transform 0.25s, color 0.2s;
    flex-shrink: 0;
}

.nav-dropdown:hover .nav-chevron {
    transform: rotate(180deg);
    color: var(--orange);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    min-width: 200px;
    background: rgba(11, 23, 41, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 200;
}

.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -14px; left: 0; right: 0;
    height: 14px;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
    display: block;
    padding: 9px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--t2) !important;
    white-space: nowrap;
}

.nav-dropdown-menu a:hover {
    background: rgba(255,255,255,0.06);
    color: var(--t1) !important;
}

/* CTA Button */
.btn-cta {
    background: var(--grad-orange);
    color: #000 !important;
    font-weight: 700;
    font-size: 14px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(245,166,35,0.35);
    color: #000 !important;
}

.nav-buttons { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }

/* Mobile nav elements — hidden on desktop */
.mobile-cta { display: none !important; }
.nav-mobile-right { display: none; align-items: center; gap: 10px; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--t1);
    border-radius: 2px;
    transition: 0.3s;
}

/* Mobile drawer */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px; left: 0;
    width: 100%;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    z-index: 999;
    padding: 8px 0 20px;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
}

.mobile-menu a {
    display: block;
    padding: 14px 24px;
    color: var(--t1);
    font-weight: 500;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-2);
    transition: background 0.2s, color 0.2s;
}

.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { background: rgba(255,255,255,0.04); color: var(--orange); }

/* ─── LAYOUT ─────────────────────────────────────────────────────────────── */
.hub-wrapper { min-height: calc(100vh - 72px); }

.hub-container {
    display: block !important;
    max-width: 1100px !important;
    margin: 48px auto !important;
    padding: 0 32px !important;
    text-align: left;
}

/* ─── HOME HERO ──────────────────────────────────────────────────────────── */
.hub-home-hero {
    padding: 72px 56px;
    background: linear-gradient(135deg, #0b1729 0%, #0d1f3c 60%, #0f1419 100%);
    border: 1px solid var(--border);
    border-radius: 20px;
    margin-bottom: 48px;
    position: relative;
    overflow: hidden;
}

.hub-home-hero::before {
    content: '';
    position: absolute;
    top: -40%; right: -10%;
    width: 60%; height: 180%;
    background: radial-gradient(ellipse, rgba(59,130,246,0.07) 0%, transparent 70%);
    pointer-events: none;
}

.hub-home-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--t1);
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    line-height: 1.15;
    position: relative;
}

.hub-tagline {
    font-size: 1.15rem;
    color: var(--t2);
    line-height: 1.65;
    position: relative;
}

.hub-enablement-note {
    font-size: 0.9rem;
    color: var(--t3);
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    position: relative;
}

/* Trunk cards */
.hub-trunk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 56px;
}

.hub-trunk-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 28px;
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--t1);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s, background 0.2s;
    display: block;
}

.hub-trunk-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.35);
    border-color: rgba(245,166,35,0.4);
    background: var(--bg-card-2);
    color: var(--t1);
}

.hub-card-cta {
    display: block;
    margin-top: 16px;
    font-weight: 700;
    color: var(--orange);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
    transition: color 0.2s;
}

/* ─── ORIENTATION RIBBON ─────────────────────────────────────────────────── */
.hub-orientation-ribbon {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 36px 0;
}

.hub-orientation-step {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: border-color 0.2s, background 0.2s;
}

.hub-orientation-step:hover {
    border-color: rgba(245,166,35,0.35);
    background: var(--bg-card-2);
}

.hub-orientation-number {
    font-size: 2.2rem;
    font-weight: 900;
    background: var(--grad-orange);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
}

.hub-orientation-label {
    font-weight: 700;
    color: var(--t1);
    margin-bottom: 6px;
    font-size: 0.95rem;
}

.hub-orientation-desc {
    font-size: 0.88rem;
    color: var(--t2);
    line-height: 1.55;
    margin: 0;
}

/* Framework cards */
.hub-framework-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 32px 0;
}

.hub-framework-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-decoration: none;
    color: var(--t1);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s, background 0.2s;
    display: block;
}

.hub-framework-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.35);
    border-color: rgba(245,166,35,0.4);
    background: var(--bg-card-2);
    color: var(--t1);
}

.hub-framework-letter {
    font-size: 2.6rem;
    font-weight: 900;
    background: var(--grad-orange);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 14px;
}

.hub-framework-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--t1);
    margin-bottom: 8px;
}

.hub-framework-desc {
    font-size: 0.9rem;
    color: var(--t2);
    line-height: 1.55;
    margin: 0;
}

/* ─── BREADCRUMBS ────────────────────────────────────────────────────────── */
.hub-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 0.83rem;
    color: var(--t3);
    margin-bottom: 32px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.hub-breadcrumbs a {
    color: var(--orange);
    font-weight: 600;
}

.hub-breadcrumbs a:hover { color: var(--orange-2); }

.hub-breadcrumb-current {
    color: var(--t2);
    font-weight: 600;
}

.hub-breadcrumbs a[href*="sitemap.html"] {
    color: var(--orange);
    font-weight: 700;
    border-right: 1px solid var(--border);
    padding-right: 10px;
    margin-right: 4px;
}

/* Sub-nav */
.hub-sub-nav {
    margin: 32px 0;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.hub-sub-nav h2 {
    margin: 0 0 12px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--t1);
}

/* Anchor nav */
.hub-anchor-nav {
    background: var(--bg-card);
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 28px;
    font-size: 0.88rem;
    border: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
    align-items: center;
}

.hub-anchor-nav a {
    color: var(--orange);
    font-weight: 600;
    transition: color 0.2s;
    white-space: nowrap;
    padding: 4px 0;
}

.hub-anchor-nav a:hover { color: var(--orange-2); }

/* ─── CONTENT ────────────────────────────────────────────────────────────── */
.hub-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--orange);
    margin-bottom: 10px;
}

.hub-headline {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--t1);
    letter-spacing: -0.025em;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hub-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--t1);
    margin: 40px 0 16px;
}

.hub-intro {
    font-size: 1.1rem;
    color: var(--t2);
    line-height: 1.75;
    margin-bottom: 28px;
}

.hub-scope {
    background: rgba(245,166,35,0.06);
    border-left: 4px solid var(--orange);
    padding: 18px 22px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 28px 0;
    font-style: italic;
    color: var(--t2);
    font-size: 0.975rem;
    line-height: 1.7;
}

/* ─── RED FLAGS ──────────────────────────────────────────────────────────── */
.hub-signals {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
}

.hub-signals li {
    padding: 14px 20px;
    background: rgba(239,68,68,0.07);
    border-left: 4px solid rgba(239,68,68,0.45);
    margin-bottom: 10px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-weight: 600;
    color: #f87171;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ─── ACCORDIONS ─────────────────────────────────────────────────────────── */
details {
    margin-bottom: 10px;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}

details:hover { border-color: rgba(255,255,255,0.12); }
details[open] { border-color: rgba(245,166,35,0.25); }

summary {
    padding: 18px 22px 18px 42px; /* left padding leaves room for triangle */
    position: relative;
    cursor: pointer;
    font-weight: 600;
    color: var(--t1);
    background: transparent;
    outline: none;
    list-style: none;
    font-size: 0.975rem;
    line-height: 1.6;
    min-height: 56px;
    transition: background 0.15s;
    text-align: left;
    display: block;
}

summary::-webkit-details-marker { display: none; }
summary:hover { background: rgba(255,255,255,0.03); }

/* Triangle — absolutely positioned so it never affects text flow */
summary::after {
    content: '▶';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--t3);
    font-size: 0.7rem;
    line-height: 1;
    transition: transform 0.25s, color 0.2s;
    pointer-events: none;
}

details[open] > summary::after {
    transform: translateY(-50%) rotate(90deg);
    color: var(--orange);
}

.hub-qa-id { font-weight: 600 !important; font-size: 0.78rem !important; color: var(--t3); margin-right: 6px; }

.hub-qa-content,
.hub-concept-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out, padding 0.3s ease;
}

details[open] > .hub-qa-content,
details[open] > .hub-concept-content {
    max-height: 8000px;
    padding: 24px 24px 28px;
    border-top: 1px solid var(--border);
}

.hub-concept-header { font-size: 0.975rem; font-weight: 700; color: var(--t1); }
.hub-concept-title { color: var(--t1); }

/* ─── Q&A ────────────────────────────────────────────────────────────────── */
.hub-id-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    background: rgba(245,166,35,0.12);
    color: var(--orange);
    padding: 3px 8px;
    border-radius: 4px;
    margin-right: 8px;
    letter-spacing: 0.03em;
    vertical-align: middle;
}

.geo-question {
    font-size: 0.975rem;
    color: var(--t1);
    background: var(--bg-card);
    padding: 20px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    border-left: 4px solid var(--orange);
    margin-bottom: 20px;
    line-height: 1.65;
}

.geo-question::before {
    content: "BUYER CONCERN";
    display: block;
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--orange);
    margin-bottom: 10px;
    letter-spacing: 0.12em;
}

.answer p {
    margin-bottom: 1.2rem;
    color: var(--t2);
    line-height: 1.8;
    font-size: 0.975rem;
}

.answer p:first-of-type { font-weight: 600; color: var(--t1); }

.answer img {
    max-width: 100%;
    border-radius: var(--radius-sm);
    margin: 16px 0;
    border: 1px solid var(--border);
}

/* ─── GLOSSARY ───────────────────────────────────────────────────────────── */
.hub-page-glossary {
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.hub-glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 14px;
}

.hub-glossary-mini-card {
    background: var(--bg-card);
    padding: 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.hub-glossary-card-link {
    text-decoration: none !important;
    color: inherit;
    display: block;
}

.hub-glossary-card-link:hover .hub-glossary-mini-card {
    border-color: rgba(245,166,35,0.4);
    background: var(--bg-card-2);
    transform: translateY(-2px);
}

.hub-glossary-term {
    font-weight: 700;
    color: var(--orange);
    font-size: 0.9rem;
    margin-bottom: 4px;
    display: block;
}

.hub-glossary-desc {
    font-size: 0.8rem;
    color: var(--t2);
    line-height: 1.45;
}

.hub-term {
    color: var(--orange);
    border-bottom: 1.5px dotted rgba(245,166,35,0.6);
    cursor: help;
    font-weight: 600;
}

.glossary-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 28px;
    margin-bottom: 16px;
    border-radius: var(--radius);
    transition: border-color 0.2s;
}

.glossary-card:hover { border-color: rgba(245,166,35,0.4); }

.glossary-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--t1);
}

.glossary-variants {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border-2);
}

.glossary-variants strong {
    font-size: 0.82rem;
    color: var(--t3);
    min-width: 140px;
    font-weight: 700;
}

/* ─── PILLS ──────────────────────────────────────────────────────────────── */
.pill { padding: 5px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; }

.pill-neutral {
    background: rgba(245,166,35,0.1);
    color: var(--orange);
    border: 1px solid rgba(245,166,35,0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-block;
    margin: 3px;
}

.pill-synonym,
.pill-vernacular {
    background: rgba(245,166,35,0.1);
    color: var(--orange);
    border: 1px solid rgba(245,166,35,0.2);
    padding: 3px 10px;
    border-radius: 14px;
    margin-left: 4px;
    font-weight: 600;
    font-size: 0.78rem;
}

.hub-use-case-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

/* ─── SITEMAP ────────────────────────────────────────────────────────────── */
.hub-sitemap-tree .hub-concept-accordion { margin-bottom: 4px !important; }
.hub-sitemap-tree .hub-concept-content { padding-top: 8px !important; padding-bottom: 8px !important; }

.sitemap-branch-link { color: var(--t1); font-weight: 700; margin-right: 10px; }
.sitemap-branch-link:hover { color: var(--orange); }

summary a { position: relative; z-index: 10; }

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
footer {
    background: #000;
    color: var(--t1);
    padding: 80px 0 40px;
    margin-top: 120px;
    border-top: 1px solid var(--border);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
    display: grid;
    grid-template-columns: 1.4fr 2fr;
    gap: 64px;
}

.footer-brand img { width: 160px; height: auto; margin-bottom: 16px; }

.footer-brand p {
    color: var(--t2);
    font-size: 0.9rem;
    line-height: 1.65;
    margin: 0 0 8px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    color: var(--t1);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    color: var(--t2);
    font-size: 0.9rem;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.footer-col a:hover { color: var(--orange); }

.footer-bottom {
    max-width: 1200px;
    margin: 56px auto 0;
    padding: 28px 48px 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.83rem;
    color: var(--t3);
    flex-wrap: wrap;
    gap: 12px;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
    nav { padding: 0 32px; }
    .nav-links { gap: 20px; }
    .footer-inner { padding: 0 32px; gap: 48px; }
    .footer-bottom { padding: 28px 32px 0; }
}

/* Tablet portrait — hide nav links */
@media (max-width: 860px) {
    .nav-links, .nav-buttons { display: none !important; }
    .nav-mobile-right { display: flex; }
    .hamburger { display: flex; }
    .mobile-cta { display: inline-flex !important; padding: 9px 18px; font-size: 0.85rem; }

    .hub-home-hero { padding: 48px 36px; }
    .hub-home-hero h1 { font-size: 2.1rem; }

    .footer-inner { grid-template-columns: 1fr; gap: 40px; padding: 0 24px; }
    .footer-links { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .footer-bottom { padding: 24px 24px 0; }
}

/* Mobile */
@media (max-width: 600px) {
    body { padding-top: 64px; }

    header { height: 64px; }

    nav { padding: 0 20px; }

    .nav-logo-img { width: 140px; }

    .mobile-menu { top: 64px; }
    .mobile-menu a { padding: 16px 20px; font-size: 1rem; }

    /* Container — generous side padding */
    .hub-container {
        margin: 24px auto !important;
        padding: 0 20px !important;
    }

    /* Hero */
    .hub-home-hero {
        padding: 36px 24px;
        border-radius: 14px;
        margin-bottom: 32px;
    }
    .hub-home-hero h1 { font-size: 1.75rem; letter-spacing: -0.02em; }
    .hub-tagline { font-size: 1rem; }

    /* Section headings */
    .hub-headline { font-size: 1.6rem; }
    .hub-section-title { font-size: 1.15rem; margin: 32px 0 14px; }
    .hub-intro { font-size: 1rem; }

    /* Breadcrumbs */
    .hub-breadcrumbs { font-size: 0.8rem; padding: 10px 14px; gap: 5px; }

    /* Anchor nav */
    .hub-anchor-nav {
        padding: 12px 16px;
        gap: 4px 12px;
        font-size: 0.85rem;
    }

    /* Cards */
    .hub-trunk-card,
    .hub-framework-card { padding: 20px; }
    .hub-trunk-grid,
    .hub-framework-grid { gap: 14px; }
    .hub-orientation-ribbon { gap: 12px; }
    .hub-orientation-step { padding: 18px 16px; }

    /* Accordions — bigger touch targets */
    summary { padding: 16px 18px; min-height: 60px; font-size: 0.95rem; }
    details[open] > .hub-qa-content,
    details[open] > .hub-concept-content { padding: 20px 18px 24px; }

    /* Q&A */
    .geo-question { padding: 16px 18px; font-size: 0.925rem; }
    .hub-id-badge { font-size: 0.68rem; padding: 2px 7px; }
    .answer p { font-size: 0.925rem; line-height: 1.75; }

    /* Red flags */
    .hub-signals li { padding: 12px 16px; font-size: 0.9rem; }

    /* Scope */
    .hub-scope { padding: 14px 16px; font-size: 0.925rem; }

    /* Sub-nav */
    .hub-sub-nav { padding: 18px 16px; }

    /* Glossary */
    .hub-glossary-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .hub-glossary-mini-card { padding: 14px; }
    .glossary-card { padding: 20px 16px; }

    /* Pills */
    .pill-neutral, .pill-synonym, .pill-vernacular { font-size: 0.73rem; }

    /* Footer */
    footer { padding: 56px 0 32px; margin-top: 72px; }
    .footer-inner { padding: 0 20px; gap: 36px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-bottom { padding: 20px 20px 0; flex-direction: column; align-items: flex-start; gap: 8px; }
    .footer-col h4 { margin-bottom: 14px; }
    .footer-col a { margin-bottom: 10px; }
}

/* Very small */
@media (max-width: 380px) {
    .hub-home-hero h1 { font-size: 1.5rem; }
    .hub-headline { font-size: 1.4rem; }
    .hub-glossary-grid { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr; }
}