@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Fira+Code:wght@400;500&display=swap');
:root {
    --primary: #00754a; --primary-light: #f0fdf4; --primary-dark: #065f46;
    --text-main: #1e293b; --text-muted: #64748b; --text-light: #94a3b8;
    --bg: #ffffff; --card: #ffffff; --border: #e2e8f0;
    --red: #ef4444; --green: #22c55e; --blue: #3b82f6; --yellow: #f59e0b; --purple: #8b5cf6;
    --sidebar-w: 220px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--bg); color: var(--text-main); display: flex; min-height: 100vh; line-height: 1.7; }

/* ── DARK MODE ── */
body.dark {
    --bg: #0f172a; --card: #1e293b; --border: #334155;
    --text-main: #e2e8f0; --text-muted: #94a3b8; --text-light: #64748b;
    --primary-light: #052e16;
}
/* Sidebar */
body.dark .sidebar { background: #1e293b; border-right-color: #334155; }
body.dark .sidebar-logo { color: #86efac; }
body.dark .sidebar a:hover { background: #334155; color: #e2e8f0; }
body.dark .sidebar a.active { background: #052e16; color: #86efac; border-left-color: #86efac; }
body.dark .sidebar-contact { border-top-color: #334155; }
body.dark .sidebar-contact a { color: #94a3b8; }
body.dark .sidebar-contact a:hover { color: #86efac; }
/* Sidebar toggle */
body.dark .sidebar-close-btn { color: #64748b; }
body.dark .sidebar-close-btn:hover { color: #e2e8f0; background: #334155; }
body.dark .sidebar-open-btn { border-color: #334155; color: #94a3b8; }
body.dark .sidebar-open-btn:hover { color: #e2e8f0; background: #334155; }
/* Topbar */
body.dark .topbar { background: #1e293b; border-bottom-color: #334155; }
body.dark .topbar h2 { color: #e2e8f0; }
body.dark .topbar .badge { background: #052e16; color: #86efac; }
body.dark .dark-toggle { border-color: #334155; color: #94a3b8; }
body.dark .lang-toggle { background: #065f46; color: #a7f3d0; }
body.dark .lang-toggle:hover { background: #047857; }
/* Hero */
body.dark .hero-banner { background: linear-gradient(135deg, #022c22, #064e3b); }
body.dark .hero-banner p { color: #6ee7b7; }
/* KPI & Cards */
body.dark .kpi-card { background: #1e293b; border-color: #334155; }
body.dark .kpi-num { color: #e2e8f0; }
body.dark .chart-card { background: #1e293b; border-color: #334155; }
body.dark .chart-card .title { color: #e2e8f0; }
/* Q-cards */
body.dark .q-card { background: #1e293b; border-left-color: #86efac; }
body.dark .q-card h4 { color: #e2e8f0; }
body.dark .q-card .who { background: rgba(134,239,172,.15); color: #86efac; }
body.dark .q-card p { color: #94a3b8; }
/* Callouts */
body.dark .callout-blue { background: #172554; border-color: #1e3a8a; }
body.dark .callout-blue h4 { color: #93c5fd; }
body.dark .callout-blue p { color: #bfdbfe; }
body.dark .callout-green { background: #052e16; border-color: #166534; }
body.dark .callout-green h4 { color: #86efac; }
body.dark .callout-green p { color: #bbf7d0; }
body.dark .callout-orange { background: #431407; border-color: #9a3412; }
body.dark .callout-orange h4 { color: #fdba74; }
body.dark .callout-orange p { color: #fed7aa; }
body.dark .callout-orange ul { color: #fed7aa; }
body.dark .insight-box { background: #172554; border-left-color: #3b82f6; color: #bfdbfe; }
body.dark .disclaimer { background: #422006; border-color: #92400e; color: #fde68a; }
/* Exec card */
body.dark .exec-card { background: linear-gradient(135deg, #052e16, #064e3b) !important; }
/* Tables */
body.dark table thead th { background: #334155; color: #94a3b8; border-bottom-color: #475569; }
body.dark table tbody td { border-bottom-color: #334155; color: #cbd5e1; }
body.dark table tbody tr:hover { background: #334155; }
body.dark td code { background: #1e1b4b; color: #a5b4fc; }
body.dark p code, body.dark li code { background: #1e293b; color: #67e8f9; }
/* Segmentation */
body.dark .seg-star { background: #422006; color: #fde68a; }
body.dark .seg-cow { background: #052e16; color: #86efac; }
body.dark .seg-question { background: #172554; color: #93c5fd; }
body.dark .seg-dog { background: #450a0a; color: #fca5a5; }
/* Badges */
body.dark .badge-ch.b-red { background: #450a0a; color: #fca5a5; }
body.dark .badge-ch.b-green { background: #052e16; color: #86efac; }
body.dark .badge-ch.b-blue { background: #172554; color: #93c5fd; }
body.dark .badge-ch.b-yellow { background: #422006; color: #fde68a; }
/* Table row highlights */
body.dark .row-good { background: #052e16; }
body.dark .row-good td { color: #86efac; }
body.dark .row-bad { background: #450a0a; }
body.dark .row-bad td { color: #fca5a5; }
/* Formula box */
body.dark .formula-box { background: #1e293b; border-color: #334155; }
body.dark .formula-box .formula { color: #e2e8f0; }
/* Index page cards */
body.dark .card { background: #1e293b; border-color: #334155; }
body.dark .card:hover { border-color: #86efac; box-shadow: 0 4px 14px rgba(134,239,172,.06); }
body.dark .card h3 { color: #e2e8f0; }
body.dark .card p { color: #94a3b8; }
body.dark .card-num.muted { background: #334155; color: #94a3b8; }
body.dark .section-label { color: #64748b; }
/* Content text */
body.dark h2.section-title { color: #e2e8f0; border-bottom-color: #334155; }
body.dark p { color: #94a3b8; }
body.dark ul, body.dark ol { color: #94a3b8; }
body.dark li strong { color: #e2e8f0; }
body.dark strong { color: #e2e8f0; }
/* Footer */
body.dark .site-footer { border-top-color: #334155; color: #64748b; }
body.dark .index-footer { color: #475569; }

/* ── SIDEBAR ── */
.sidebar { width: var(--sidebar-w); background: var(--card); border-right: 1px solid var(--border); padding: 1.5rem 0; position: fixed; top: 0; left: 0; height: 100vh; overflow-y: auto; z-index: 100; display: flex; flex-direction: column; }
.sidebar-logo { padding: 0 1.25rem 1.5rem; font-size: .95rem; font-weight: 800; color: var(--primary); display: flex; align-items: center; gap: .5rem; line-height: 1.25; }
.sidebar-logo img { width: 28px; height: auto; }
.sidebar-nav { flex: 1; }
.sidebar-section { padding: .5rem 1.25rem; font-size: .7rem; font-weight: 700; color: var(--text-light); text-transform: uppercase; letter-spacing: .08em; margin-top: .75rem; }
.sidebar a { display: flex; align-items: center; gap: .6rem; padding: .6rem 1.25rem; color: var(--text-muted); text-decoration: none; font-size: .82rem; font-weight: 500; border-left: 3px solid transparent; transition: all .15s; }
.sidebar a:hover { background: #f8fafc; color: var(--text-main); }
.sidebar a.active { background: var(--primary-light); color: var(--primary); border-left-color: var(--primary); font-weight: 700; }
.sidebar .icon { font-size: 1rem; width: 20px; text-align: center; }
.sidebar-contact { padding: 1rem 1.25rem; border-top: 1px solid var(--border); margin-top: auto; }
.sidebar-contact .contact-label { font-size: .65rem; font-weight: 700; color: var(--text-light); text-transform: uppercase; letter-spacing: .08em; margin-bottom: .5rem; }
.sidebar-contact a { display: flex; align-items: center; gap: .5rem; padding: .35rem 0; color: var(--text-muted); text-decoration: none; font-size: .78rem; border-left: none; }
.sidebar-contact a:hover { color: var(--primary); }
.sidebar-contact .contact-icon { width: 14px; height: 14px; flex-shrink: 0; }

/* ── MAIN ── */
.main { margin-left: var(--sidebar-w); flex: 1; }

/* ── TOPBAR ── */
.topbar { background: var(--card); border-bottom: 1px solid var(--border); padding: .85rem 2rem; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 50; gap: .5rem; }
.topbar h2 { font-size: .95rem; font-weight: 700; flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .badge { background: var(--primary-light); color: var(--primary); padding: .25rem .65rem; border-radius: 6px; font-size: .72rem; font-weight: 700; white-space: nowrap; }
.dark-toggle { background: none; border: 1px solid var(--border); padding: .3rem .5rem; border-radius: 6px; cursor: pointer; font-size: .85rem; line-height: 1; }

/* ── HERO ── */
.hero-banner { background: linear-gradient(135deg, #064e3b, #00754a); padding: 2rem; color: white; margin: 1.25rem 2rem 0; border-radius: 14px; display: flex; align-items: center; gap: 1.5rem; }
.hero-banner img.hero-logo { width: 48px; height: auto; filter: brightness(0) invert(1); flex-shrink: 0; }
.hero-banner h1 { font-size: 1.4rem; font-weight: 800; margin-bottom: .25rem; color: white; }
.hero-banner p { color: #a7f3d0; font-size: .88rem; margin: 0; }

/* ── CONTENT ── */
.content-area { padding: 1.25rem 2rem 3rem; }
h2.section-title { font-size: 1.05rem; font-weight: 800; margin: 2.5rem 0 1rem; padding-bottom: .35rem; border-bottom: 2px solid var(--border); }
h3 { font-size: .95rem; font-weight: 700; margin: 1.75rem 0 .6rem; }
p { margin-bottom: 1rem; color: var(--text-muted); font-size: .88rem; }
ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; color: var(--text-muted); font-size: .88rem; }
li { margin-bottom: .5rem; }

/* ── KPI CARDS ── */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; padding: 1rem 2rem 0; }
.kpi-card { background: var(--card); border-radius: 10px; padding: 1rem; text-align: center; border: 1.5px solid var(--border); position: relative; overflow: hidden; }
.kpi-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.kpi-card.c-red::before { background: var(--red); }
.kpi-card.c-green::before { background: var(--green); }
.kpi-card.c-blue::before { background: var(--blue); }
.kpi-card.c-yellow::before { background: var(--yellow); }
.kpi-card.c-purple::before { background: var(--purple); }
.kpi-num { font-size: 1.6rem; font-weight: 800; color: var(--text-main); }
.kpi-label { font-size: .72rem; color: var(--text-muted); margin-top: .1rem; }
.kpi-sub { font-size: .65rem; color: var(--text-light); margin-top: .2rem; }

/* ── CHART CARDS ── */
.chart-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; margin-bottom: 1.25rem; }
.chart-card .title { font-size: .85rem; font-weight: 700; color: var(--text-main); margin-bottom: .6rem; }
.chart-card canvas { max-height: 300px; }
.insight-box { background: #eff6ff; border-left: 4px solid var(--blue); padding: .6rem .85rem; border-radius: 0 8px 8px 0; margin-top: .85rem; font-size: .8rem; color: #1e3a8a; line-height: 1.5; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

/* ── EXEC CARD ── */
.exec-card { background: linear-gradient(135deg, #064e3b, #00754a); border-radius: 14px; padding: 1.5rem; margin: 1.25rem 0; color: white; }
.exec-card .title { color: #a7f3d0; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: .5rem; }
.exec-card p { color: rgba(255,255,255,.85); font-size: .88rem; margin-bottom: .5rem; }

/* ── CALLOUTS ── */
.callout-blue { background: #eff6ff; border: 1px solid #bfdbfe; padding: 1rem; border-radius: 10px; margin: 1.25rem 0; }
.callout-blue h4 { color: #1e40af; font-size: .85rem; margin-bottom: .3rem; }
.callout-blue p { color: #1e3a8a; font-size: .82rem; margin-bottom: .3rem; }
.callout-orange { background: #fff7ed; border: 1px dashed #fb923c; padding: 1rem; border-radius: 10px; margin: 1.25rem 0; }
.callout-orange h4 { color: #9a3412; font-size: .85rem; margin-bottom: .3rem; }
.callout-orange p { color: #7c2d12; font-size: .82rem; margin-bottom: .3rem; }
.callout-green { background: #f0fdf4; border: 1px solid #bbf7d0; padding: 1rem; border-radius: 10px; margin: 1.25rem 0; }
.callout-green h4 { color: #166534; font-size: .85rem; margin-bottom: .3rem; }
.callout-green p { color: #14532d; font-size: .82rem; margin-bottom: .3rem; }
.disclaimer { background: #fffbeb; border: 1px solid #fde68a; border-radius: 10px; padding: .85rem; margin: 2rem 0; font-size: .78rem; color: #92400e; }

/* ── TABLES ── */
table { width: 100%; border-collapse: collapse; font-size: .82rem; margin: 1rem 0; }
thead th { background: #f8fafc; padding: .55rem .75rem; text-align: left; font-weight: 700; color: var(--text-muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; border-bottom: 2px solid var(--border); }
tbody td { padding: .5rem .75rem; border-bottom: 1px solid var(--border); color: var(--text-main); }
tbody tr:hover { background: #f8fafc; }
td code { background: #eef2ff; color: #4338ca; padding: .15rem .35rem; border-radius: 4px; font-size: .78em; font-family: 'Fira Code', monospace; }
p code, li code { background: #f1f5f9; color: #0e7490; padding: .15rem .35rem; border-radius: 4px; font-size: .83em; font-family: 'Fira Code', monospace; }

/* ── BADGES ── */
.badge-ch { display: inline-block; padding: .12rem .45rem; border-radius: 4px; font-size: .7rem; font-weight: 700; }

/* ── TABLE ROW HIGHLIGHTS ── */
.row-good { background: #dcfce7; }
.row-good td { color: #166534; }
.row-bad { background: #fee2e2; }
.row-bad td { color: #991b1b; }
.b-red { background: #fee2e2; color: #991b1b; }
.b-green { background: #dcfce7; color: #166534; }
.b-blue { background: #dbeafe; color: #1e40af; }
.b-yellow { background: #fef3c7; color: #92400e; }

/* ── QUESTION CARDS ── */
.q-card { background: var(--primary-light); border-left: 4px solid var(--primary); padding: 1.25rem; margin: 1rem 0; border-radius: 0 10px 10px 0; }
.q-card h4 { color: var(--text-main); font-size: .95rem; margin-bottom: .35rem; }
.q-card .who { font-size: .75rem; color: var(--primary); font-weight: 700; margin-bottom: .35rem; display: inline-block; background: rgba(0,117,74,.1); padding: .1rem .5rem; border-radius: 4px; }
.q-card p { font-size: .85rem; margin-bottom: .3rem; }

/* ── SEGMENTATION ── */
.seg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; margin: 1.25rem 0; }
.seg-card { padding: 1rem; border-radius: 10px; text-align: center; }
.seg-card .num { font-size: 1.75rem; font-weight: 800; }
.seg-card .label { font-size: .82rem; font-weight: 700; margin-top: .15rem; }
.seg-card .desc { font-size: .72rem; margin-top: .2rem; opacity: .8; }
.seg-star { background: #fef3c7; color: #92400e; }
.seg-cow { background: #d1fae5; color: #065f46; }
.seg-question { background: #dbeafe; color: #1e40af; }
.seg-dog { background: #fee2e2; color: #991b1b; }

/* ── LANG TOGGLE ── */
.lang-toggle { background: var(--primary); color: white; border: none; padding: .3rem .7rem; border-radius: 6px; font-size: .72rem; font-weight: 800; font-family: 'Plus Jakarta Sans', sans-serif; cursor: pointer; letter-spacing: .04em; transition: background .15s, transform .1s; flex-shrink: 0; }
.lang-toggle:hover { background: var(--primary-dark); transform: scale(1.05); }

/* ── PROGRESS BAR ── */
.progress-bar { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200; background: transparent; }
.progress-bar .fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--green)); width: 0; transition: width .15s; }

/* ── BACK TO TOP ── */
.back-top { position: fixed; bottom: 2rem; right: 2rem; width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: white; border: none; font-size: 1rem; cursor: pointer; opacity: 0; transition: opacity .2s; z-index: 90; display: flex; align-items: center; justify-content: center; }
.back-top.show { opacity: 1; }

/* ── MOBILE MENU ── */
.mobile-menu { display: none; position: fixed; top: .75rem; left: .75rem; z-index: 200; background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: .4rem .6rem; font-size: 1.1rem; cursor: pointer; }
.sidebar.open { display: flex !important; }

/* ── SIDEBAR TOGGLE (design-system.js) ── */
.sidebar-close-btn { position: absolute; right: .5rem; top: 50%; transform: translateY(-50%); background: none; border: none; font-size: 1rem; color: var(--text-light); cursor: pointer; padding: .2rem .4rem; border-radius: 4px; line-height: 1; }
.sidebar-close-btn:hover { color: var(--text-main); background: var(--border); }
.sidebar-open-btn { background: none; border: 1px solid var(--border); font-size: 1.1rem; padding: .3rem .5rem; border-radius: 6px; cursor: pointer; color: var(--text-muted); line-height: 1; display: none; margin-right: .5rem; }
.sidebar-open-btn:hover { color: var(--text-main); background: var(--border); }
body.sidebar-hidden .sidebar { display: none; }
body.sidebar-hidden .main { margin-left: 0; }
body.sidebar-hidden .sidebar-open-btn { display: inline-flex; }

/* ── FOOTER ── */
.site-footer { padding: 1.5rem 2rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-size: .72rem; color: var(--text-light); }
.footer-brand { display: flex; align-items: center; gap: .5rem; }
.footer-brand img { height: 16px; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    .sidebar { display: none; }
    .mobile-menu { display: block; }
    .main { margin-left: 0; }
    .kpi-row { grid-template-columns: repeat(2, 1fr); padding: .75rem 1rem 0; }
    .two-col, .seg-grid { grid-template-columns: 1fr; }
    .hero-banner { margin: 1rem; padding: 1.5rem; flex-direction: column; text-align: center; gap: 1rem; }
    .content-area { padding: 1rem; }
    .topbar { padding: .75rem 1rem .75rem 3rem; }
}