/* TillGuard — shared stylesheet for /articles/ guide pages.
   Design tokens mirror index.html (draft: index.tillguard.html). */
:root{
  --ink:#e9eff6;
  --ink-soft:#b9c7d7;
  --ink-faint:#8397ac;
  --paper:#0f1d30;
  --paper-warm:#0b1727;
  --navy:#132234;
  --card:#152639;
  --navy-deep:#081324;
  --accent:#dc2626;
  --accent-dark:#b91c1c;
  --accent-soft:#f87171;
  --good:#34d399;
  --amber:#d97706;
  --line:#233650;
  --radius:14px;
  --maxw:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.25;letter-spacing:-.015em}

/* ---------- nav (mirrors homepage) ---------- */
header{
  position:sticky;top:0;z-index:50;background:rgba(8,19,36,.88);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.15rem;color:#fff;text-decoration:none}
.brand-mark{width:30px;height:30px;display:block}
.nav-links{display:flex;gap:1.6rem;align-items:center}
.nav-links a{color:var(--ink-soft);text-decoration:none;font-size:.94rem;font-weight:500}
.nav-links a:hover{color:#fff}
.nav-links a.btn{color:#fff}
.btn{
  display:inline-block;background:var(--accent);color:#fff;font-weight:700;
  padding:.72rem 1.4rem;border-radius:10px;text-decoration:none;font-size:.97rem;
  transition:background .15s,transform .15s,box-shadow .15s;
}
.btn:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,0,0,.45)}
.btn-ghost{background:transparent;color:#e9eff6;border:1.5px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn-lg{padding:.9rem 1.8rem;font-size:1.05rem}
.btn-wa{background:#00a884;display:inline-flex;align-items:center;gap:.55rem}
.btn-wa:hover{background:#008f72}
.btn-wa svg{flex:0 0 auto}
@media(max-width:720px){
  .nav-links a:not(.btn){display:none}
  .nav-links{gap:.9rem}
  .nav-links a.btn{white-space:nowrap;padding:.55rem .8rem;font-size:.86rem}
}

/* ---------- article hero ---------- */
.article-hero{
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(220,38,38,.14), transparent 60%),
    linear-gradient(180deg, var(--navy-deep), var(--navy) 80%);
  padding:52px 0 44px;border-bottom:1px solid var(--line);
}
.crumb{font-size:.85rem;color:var(--ink-faint);margin-bottom:1.1rem}
.crumb a{color:var(--ink-faint);text-decoration:none}
.crumb a:hover{color:#fff}
.kicker{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent-soft);margin-bottom:.7rem;
}
.article-hero h1{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:800;max-width:52rem;margin-bottom:1rem;color:#fff}
.article-hero .lede{font-size:1.1rem;color:#b7c6d6;max-width:44rem}
.article-meta{margin-top:1.3rem;font-size:.86rem;color:#7f93a8}

/* ---------- article body ---------- */
.article-body{padding:52px 0 72px}
.prose{max-width:47rem}
.prose p{margin:0 0 1.15rem;color:var(--ink-soft);font-size:1.02rem}
.prose p strong,.prose li strong{color:#fff}
.prose h2{font-size:clamp(1.35rem,2.6vw,1.7rem);color:#fff;margin:2.6rem 0 .9rem}
.prose h3{font-size:1.12rem;color:#fff;margin:1.9rem 0 .6rem}
.prose a:not(.btn){color:var(--accent-soft)}
.prose a:hover{color:#fff}
.prose ul,.prose ol{margin:0 0 1.15rem 1.3rem;color:var(--ink-soft)}
.prose li{margin-bottom:.45rem;font-size:1rem}
.note{
  border-left:3px solid var(--amber);background:var(--card);border-radius:0 10px 10px 0;
  padding:14px 18px;margin:1.5rem 0;font-size:.94rem;color:var(--ink-soft);
}
.note strong{color:#fff}

/* ---------- figures ---------- */
.fig{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;margin:1.9rem 0;
}
.fig-title{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:1rem}
.fig-cap{font-size:.84rem;color:var(--ink-faint);margin-top:1rem}
.fig svg{max-width:100%;height:auto;display:block}

/* ---------- flow diagram (counter → till → close) ---------- */
.flow{display:grid;grid-template-columns:1fr 26px 1fr 26px 1fr;gap:8px;align-items:stretch}
.flow-step{
  background:var(--navy-deep);border:1px solid var(--line);border-radius:10px;
  padding:13px 14px;display:flex;flex-direction:column;gap:.35rem;
}
.flow-step.leak{border-color:rgba(220,38,38,.6);background:rgba(220,38,38,.09)}
.flow-tag{font-size:.66rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint)}
.flow-step.leak .flow-tag{color:var(--accent-soft)}
.flow-main{font-size:.95rem;font-weight:700;color:#fff;line-height:1.35}
.flow-sub{font-size:.82rem;color:var(--ink-soft);line-height:1.4}
.flow-arrow{display:grid;place-items:center;color:var(--ink-faint)}
.flow-arrow svg{width:16px;height:16px}
@media(max-width:680px){
  .flow{grid-template-columns:1fr}
  .flow-arrow{padding:2px 0}
  .flow-arrow svg{transform:rotate(90deg)}
}

/* ---------- end-of-day tally strip ---------- */
.tally{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{
  display:inline-flex;align-items:center;gap:.45rem;background:var(--navy-deep);
  border:1px solid var(--line);border-radius:999px;padding:.4rem .85rem;
  font-size:.83rem;color:var(--ink-soft);
}
.chip b{color:#fff;font-weight:700}
.chip.ok{border-color:rgba(52,211,153,.4)}
.chip.ok b{color:var(--good)}
.chip.bad{border-color:rgba(220,38,38,.55);background:rgba(220,38,38,.09)}
.chip.bad b{color:var(--accent-soft)}

/* ---------- method cards (article 1) ---------- */
.method{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;margin:1.9rem 0;
}
.method-head{display:flex;align-items:center;gap:.9rem;margin-bottom:.5rem}
.method-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:.95rem;
}
.method-head h3{font-size:1.15rem;color:#fff}
.method-aka{font-size:.82rem;color:var(--ink-faint);margin-bottom:1rem}
.method p{font-size:.97rem;color:var(--ink-soft);margin:0 0 1rem}
.method .tip{
  margin-top:1.1rem;border-left:3px solid var(--amber);padding:.15rem 0 .15rem .95rem;
  font-size:.9rem;color:var(--ink-soft);
}
.method .tip strong{color:#fff}

/* ---------- do / don't grid ---------- */
.dd-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:1.9rem 0}
@media(max-width:720px){.dd-grid{grid-template-columns:1fr}}
.dd{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px}
.dd h3{font-size:1rem;margin-bottom:.9rem;display:flex;align-items:center;gap:.5rem}
.dd-do h3{color:var(--good)}
.dd-dont h3{color:var(--accent-soft)}
.dd ul{list-style:none;margin:0}
.dd li{font-size:.93rem;color:var(--ink-soft);padding:.4rem 0 .4rem 1.6rem;position:relative}
.dd-do li::before{content:"✓";position:absolute;left:0;color:var(--good);font-weight:800}
.dd-dont li::before{content:"✕";position:absolute;left:0;color:var(--accent-soft);font-weight:800}
.dd li strong{color:#fff}

/* ---------- numbered vertical steps ---------- */
.steps-v{list-style:none;margin:1.9rem 0;counter-reset:sv}
.steps-v>li{
  position:relative;padding:0 0 1.6rem 58px;counter-increment:sv;
}
.steps-v>li::before{
  content:counter(sv);position:absolute;left:0;top:0;width:38px;height:38px;
  border-radius:11px;background:var(--accent);color:#fff;font-weight:800;
  display:grid;place-items:center;font-size:1rem;
}
.steps-v>li:not(:last-child)::after{
  content:"";position:absolute;left:18px;top:46px;bottom:6px;width:2px;background:var(--line);
}
.steps-v h3{font-size:1.08rem;color:#fff;margin:0 0 .4rem;padding-top:.3rem}
.steps-v p{font-size:.96rem;color:var(--ink-soft);margin:0 0 .5rem}

/* ---------- stat tiles ---------- */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:1.9rem 0}
@media(max-width:760px){.stat-row{grid-template-columns:1fr}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px}
.stat b{display:block;font-size:1.65rem;font-weight:800;color:#fff;margin-bottom:.3rem;letter-spacing:-.02em}
.stat b.loss{color:var(--accent-soft)}
.stat span{font-size:.9rem;color:var(--ink-soft)}
.stat-src{color:var(--ink-faint);text-decoration:none;font-size:1.02rem;vertical-align:super;margin-left:2px}
.stat-src:hover{color:#fff}

/* ---------- data table ---------- */
.tbl-wrap{overflow-x:auto;margin:1.9rem 0}
table.tbl{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tbl th,.tbl td{padding:12px 16px;text-align:left;font-size:.93rem;border-bottom:1px solid var(--line)}
.tbl th{color:#fff;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;background:var(--navy-deep)}
.tbl td{color:var(--ink-soft)}
.tbl td b{color:#fff}
.tbl td .loss{color:var(--accent-soft);font-weight:700}
.tbl tr:last-child td{border-bottom:none}

/* ---------- horizontal bar rows (single measure) ---------- */
.bars{display:flex;flex-direction:column;gap:10px}
.bar-row{display:grid;grid-template-columns:110px 1fr 52px;gap:12px;align-items:center}
@media(max-width:560px){.bar-row{grid-template-columns:84px 1fr 46px}}
.bar-label{font-size:.85rem;color:var(--ink-soft);text-align:right}
.bar-track{background:var(--navy-deep);border-radius:4px;height:18px;overflow:hidden}
.bar-fill{height:100%;background:#5b7899;border-radius:0 4px 4px 0}
.bar-row.hot .bar-fill{background:var(--accent)}
.bar-row.hot .bar-label,.bar-row.hot .bar-val{color:var(--accent-soft);font-weight:700}
.bar-val{font-size:.85rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}

/* ---------- CTA box ---------- */
.cta-box{
  background:linear-gradient(135deg,var(--navy-deep),var(--navy));
  border:1px solid var(--line);border-radius:20px;padding:40px 36px;margin:3rem 0 0;
}
@media(max-width:720px){.cta-box{padding:30px 24px}}
.cta-box h2{color:#fff;font-size:1.5rem;margin-bottom:.6rem}
.cta-box p{color:#b7c6d6;margin-bottom:1.4rem;max-width:38rem;font-size:.99rem}
.cta-note{margin-top:1rem;font-size:.85rem;color:#7f93a8}

/* ---------- related guides ---------- */
.related{margin:3rem 0 0}
.related h2{font-size:1.25rem;color:#fff;margin-bottom:1.1rem}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:820px){.rel-grid{grid-template-columns:1fr}}
.rel{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:18px 20px;text-decoration:none;transition:transform .2s,box-shadow .2s;
}
.rel:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.4)}
.rel b{display:block;color:#fff;font-size:.98rem;margin-bottom:.35rem;line-height:1.35}
.rel span{font-size:.85rem;color:var(--ink-soft)}

/* ---------- guide index cards ---------- */
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:2.2rem 0}
@media(max-width:760px){.guide-grid{grid-template-columns:1fr}}
.guide-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;text-decoration:none;transition:transform .2s,box-shadow .2s;
}
.guide-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.45)}
.guide-card .g-ico{font-size:26px;margin-bottom:.8rem}
.guide-card b{display:block;color:#fff;font-size:1.12rem;line-height:1.35;margin-bottom:.5rem}
.guide-card span{font-size:.93rem;color:var(--ink-soft)}
.guide-card i{display:block;margin-top:.9rem;font-style:normal;font-size:.88rem;color:var(--accent-soft);font-weight:600}

/* ---------- footer ---------- */
footer{background:var(--navy-deep);border-top:1px solid var(--line);color:#8b9fb3;padding:36px 0;font-size:.86rem;margin-top:72px}
.foot{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;align-items:center}
footer .disclaimer{max-width:44rem;line-height:1.55}
footer strong{color:#d7e3ef}
footer a{color:inherit}