/* ===================================================================
   Staunch Technologies — Marine ERP Project Management Blog
   Editorial theme: warm cream + charcoal + amber. All classes "pm-".
   =================================================================== */
:root{
  --pm-ink:#1c1917; --pm-char:#292524; --pm-mute:#6b625b; --pm-line:#e8dfd3;
  --pm-cream:#fbf7f1; --pm-sand:#f3ece1; --pm-amber:#f59e0b; --pm-amber-d:#b45309;
  --pm-coral:#e5533d; --pm-green:#15803d; --pm-navy:#0f2742;
  --pm-shadow:0 12px 30px rgba(41,37,36,.09); --pm-r:18px;
}
html{scroll-behavior:smooth}
body{color:var(--pm-ink);font-family:'Epilogue',sans-serif;background:#fff}
.pm-progress{position:fixed;top:0;left:0;height:4px;width:0;z-index:9999;background:linear-gradient(90deg,var(--pm-amber),var(--pm-coral));transition:width .1s}
.pm-nav-spacer{height:90px}

/* ---------- Brand strip ---------- */
.pm-brand{background:var(--pm-char);color:#fff;border-bottom:3px solid var(--pm-amber)}
.pm-brand-in{max-width:1120px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.pm-brand h2{margin:0;font:700 20px 'Roboto',sans-serif;color:#fff}
.pm-social{display:flex;gap:10px}
.pm-social a{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;border:1px solid #57534e;color:#fff;text-decoration:none;transition:.2s}
.pm-social a:hover{background:var(--pm-amber);border-color:var(--pm-amber);color:var(--pm-ink)}

/* ---------- Hero (split) ---------- */
.pm-hero{background:var(--pm-cream);border-bottom:1px solid var(--pm-line);position:relative;overflow:hidden}
.pm-hero::before{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.22),transparent 70%)}
.pm-hero-in{position:relative;max-width:1120px;margin:0 auto;padding:60px 24px 70px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.pm-crumb{font-size:13px;color:var(--pm-mute);margin-bottom:18px}
.pm-crumb a{color:var(--pm-mute);text-decoration:none}.pm-crumb a:hover{color:var(--pm-amber-d)}
.pm-crumb span{margin:0 6px}
.pm-kicker{display:inline-block;padding:6px 14px;border-radius:6px;background:var(--pm-ink);color:#fff;font-size:12px;font-weight:700;letter-spacing:.1em;margin-bottom:18px}
.pm-hero h1{font-family:'Playfair Display',serif;font-size:clamp(32px,4.4vw,52px);line-height:1.12;margin:0 0 18px;color:var(--pm-ink)}
.pm-hero h1 mark{background:linear-gradient(transparent 62%,rgba(245,158,11,.55) 62%);color:inherit;padding:0 2px}
.pm-hero p.pm-sub{font-size:18px;line-height:1.7;color:#44403c;margin:0 0 24px;max-width:600px}
.pm-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:var(--pm-mute)}
.pm-meta i{color:var(--pm-amber-d);margin-right:6px}

/* "On paper" card */
.pm-paper{background:#fff;border:1px solid var(--pm-line);border-radius:var(--pm-r);box-shadow:var(--pm-shadow);padding:24px;transform:rotate(1.2deg)}
.pm-paper h3{margin:0 0 14px;font:700 13px 'Epilogue',sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--pm-mute)}
.pm-paper ul{list-style:none;margin:0;padding:0}
.pm-paper li{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px dashed var(--pm-line);font-size:15px;font-weight:500}
.pm-paper li i{width:24px;height:24px;border-radius:50%;background:#dcfce7;color:var(--pm-green);display:grid;place-items:center;font-size:11px;flex:none}
.pm-paper .pm-warn{margin-top:16px;padding:14px 16px;border-radius:12px;background:#fff1ee;border:1px solid #ffd2c9;color:#9f2d1b;font-weight:600;font-size:15px;display:flex;gap:10px;align-items:center}

/* ---------- Layout ---------- */
.pm-wrap{max-width:780px;margin:0 auto;padding:0 24px}
.pm-wide{max-width:1120px;margin:0 auto;padding:0 24px}
.pm-art{font-size:17px;line-height:1.85;color:#292524}
.pm-art p{margin:0 0 18px}
.pm-art a{color:var(--pm-amber-d);text-decoration:none;border-bottom:1px solid rgba(180,83,9,.3)}
.pm-art a:hover{border-bottom-color:var(--pm-amber-d)}
.pm-art h2{font-family:'Playfair Display',serif;font-size:32px;line-height:1.2;margin:64px 0 14px}
.pm-eyebrow{display:block;font:700 12px 'Epilogue',sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--pm-coral);margin-bottom:8px}
.pm-lead{font-size:21px;line-height:1.7;color:var(--pm-ink)}
.pm-intro{margin-top:48px}
.pm-why{margin:26px 0;padding:22px 26px;border-left:5px solid var(--pm-amber);background:var(--pm-sand);border-radius:0 var(--pm-r) var(--pm-r) 0;font-size:20px;font-family:'Playfair Display',serif;line-height:1.5}

/* ---------- Tabs: five reasons ---------- */
.pm-tabs{display:grid;grid-template-columns:260px 1fr;gap:20px;margin:28px 0;align-items:stretch}
.pm-tablist{display:flex;flex-direction:column;gap:8px}
.pm-tab{display:flex;gap:12px;align-items:center;text-align:left;width:100%;padding:14px 16px;border:1px solid var(--pm-line);border-radius:14px;background:#fff;font:600 15px 'Epilogue',sans-serif;color:var(--pm-char);cursor:pointer;transition:.2s}
.pm-tab b{width:30px;height:30px;flex:none;border-radius:8px;background:var(--pm-sand);display:grid;place-items:center;font-size:13px;transition:.2s}
.pm-tab:hover{border-color:var(--pm-amber)}
.pm-tab[aria-selected="true"]{background:var(--pm-ink);color:#fff;border-color:var(--pm-ink);box-shadow:var(--pm-shadow)}
.pm-tab[aria-selected="true"] b{background:var(--pm-amber);color:var(--pm-ink)}
.pm-tab:focus-visible{outline:3px solid rgba(245,158,11,.5);outline-offset:2px}
.pm-panel{background:var(--pm-cream);border:1px solid var(--pm-line);border-radius:var(--pm-r);padding:28px;box-shadow:var(--pm-shadow)}
.pm-panel[hidden]{display:none}
.pm-panel h3{font:700 26px 'Playfair Display',serif;margin:0 0 10px}
.pm-panel p{margin:0 0 14px!important;font-size:16.5px}
.pm-split{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.pm-split div{padding:14px 16px;border-radius:12px;font-size:15px;line-height:1.6;background:#fff;border:1px solid var(--pm-line)}
.pm-split b{display:block;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}
.pm-split .pm-m b{color:var(--pm-coral)}.pm-split .pm-f b{color:var(--pm-green)}

/* ---------- Principle band ---------- */
.pm-band{margin:60px 0;background:var(--pm-ink);color:#fff;position:relative;overflow:hidden}
.pm-band::before{content:"\201C";position:absolute;left:4%;top:-40px;font:700 260px/1 'Playfair Display',serif;color:rgba(245,158,11,.14)}
.pm-band-in{position:relative;max-width:900px;margin:0 auto;padding:64px 24px;text-align:center}
.pm-band small{display:block;font:700 12px 'Epilogue',sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--pm-amber);margin-bottom:16px}
.pm-band blockquote{margin:0;font:600 clamp(24px,3.4vw,38px)/1.35 'Playfair Display',serif;border:0;padding:0;color:#fff}
.pm-band blockquote em{font-style:normal;color:var(--pm-amber)}

/* ---------- Stakeholder map ---------- */
.pm-stake{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:26px 0}
.pm-st{text-align:center;padding:20px 12px;border-radius:var(--pm-r);background:#fff;border:1px solid var(--pm-line);transition:.25s}
.pm-st:hover{transform:translateY(-4px);box-shadow:var(--pm-shadow);border-color:var(--pm-amber)}
.pm-st i{width:50px;height:50px;margin:0 auto 12px;border-radius:50%;display:grid;place-items:center;background:var(--pm-sand);color:var(--pm-amber-d);font-size:20px}
.pm-st b{display:block;font-size:14.5px;line-height:1.3}
.pm-hub{margin:0 auto;max-width:520px;text-align:center;padding:14px 20px;border-radius:999px;background:var(--pm-amber);color:var(--pm-ink);font-weight:700;font-size:15px;box-shadow:0 8px 20px rgba(245,158,11,.35)}
.pm-hub-line{width:2px;height:22px;margin:0 auto;background:repeating-linear-gradient(var(--pm-amber) 0 4px,transparent 4px 8px)}

/* ---------- Four moving parts ---------- */
.pm-four{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:26px 0}
.pm-fc{padding:22px 18px;border-radius:var(--pm-r);color:#fff;font-weight:700;font-size:17px;display:flex;flex-direction:column;gap:10px;min-height:128px;justify-content:flex-end;position:relative;overflow:hidden}
.pm-fc i{position:absolute;right:14px;top:14px;font-size:26px;opacity:.35}
.pm-fc small{font-weight:500;font-size:13.5px;opacity:.9;line-height:1.45}
.pm-fc:nth-child(1){background:#b45309}.pm-fc:nth-child(2){background:#9f2d1b}.pm-fc:nth-child(3){background:#0f2742}.pm-fc:nth-child(4){background:#3f3a35}

/* ---------- Review questions ---------- */
.pm-q{list-style:none;counter-reset:q;margin:24px 0;padding:0}
.pm-q li{counter-increment:q;display:flex;gap:16px;align-items:flex-start;padding:18px 20px;margin-bottom:10px;border:1px solid var(--pm-line);border-radius:14px;background:#fff;font-weight:500;line-height:1.55;transition:.2s}
.pm-q li:hover{border-color:var(--pm-amber);box-shadow:0 8px 20px rgba(41,37,36,.07)}
.pm-q li::before{content:counter(q);flex:none;width:32px;height:32px;border-radius:50%;background:var(--pm-ink);color:var(--pm-amber);display:grid;place-items:center;font:700 14px 'Epilogue',sans-serif}

/* ---------- Figures ---------- */
.pm-fig{margin:36px 0;border-radius:var(--pm-r);overflow:hidden;border:1px solid var(--pm-line);box-shadow:var(--pm-shadow);background:#fff}
.pm-fig img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.pm-fig figcaption{padding:14px 18px;font-size:14px;line-height:1.55;color:var(--pm-mute);background:var(--pm-sand);border-top:3px solid var(--pm-amber)}
.pm-fig figcaption i{color:var(--pm-amber-d);margin-right:8px}

/* ---------- FAQ ---------- */
.pm-faq details{border:1px solid var(--pm-line);border-radius:14px;margin-bottom:12px;background:#fff;overflow:hidden}
.pm-faq summary{cursor:pointer;list-style:none;padding:18px 54px 18px 20px;font-weight:600;position:relative}
.pm-faq summary::-webkit-details-marker{display:none}
.pm-faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--pm-sand);display:grid;place-items:center;font-size:18px;color:var(--pm-amber-d)}
.pm-faq details[open] summary::after{content:"\2212";background:var(--pm-amber);color:var(--pm-ink)}
.pm-faq details[open]{border-color:var(--pm-amber)}
.pm-faq details p{margin:0;padding:0 20px 18px}

/* ---------- CTA ---------- */
.pm-cta{margin:56px 0 30px;border-radius:24px;padding:40px 32px;text-align:center;background:var(--pm-sand);border:1px solid var(--pm-line);position:relative;overflow:hidden}
.pm-cta::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:linear-gradient(90deg,var(--pm-amber),var(--pm-coral))}
.pm-cta h2{margin:0 0 10px!important;font-size:28px!important}
.pm-cta p{max-width:520px;margin:0 auto 22px;color:#44403c}
.pm-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.pm-btn{display:inline-flex;align-items:center;gap:9px;padding:13px 24px;border-radius:12px;font-weight:600;text-decoration:none!important;background:var(--pm-ink);color:#fff!important;border:0!important;transition:.2s}
.pm-btn:hover{transform:translateY(-2px);background:var(--pm-amber-d)}
.pm-btn.wa{background:#25d366}.pm-btn.out{background:transparent;color:var(--pm-ink)!important;border:1.5px solid var(--pm-ink)!important}

/* ---------- Author ---------- */
.pm-author{display:flex;gap:22px;align-items:center;padding:24px;border:1px solid var(--pm-line);border-radius:var(--pm-r);background:#fff;box-shadow:var(--pm-shadow)}
.pm-av{flex:none;width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:var(--pm-ink);color:var(--pm-amber);font:700 24px 'Playfair Display',serif}
.pm-author small{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--pm-coral)}
.pm-author h3{margin:2px 0;font:700 22px 'Playfair Display',serif}
.pm-author .pm-role{font-size:13.5px;color:var(--pm-mute);margin:0 0 8px}
.pm-author p:last-child{margin:0;font-size:15px;line-height:1.6}

/* ---------- Related + share ---------- */
.pm-related{margin-top:80px;padding:56px 0;background:var(--pm-cream);border-top:1px solid var(--pm-line)}
.pm-related h2{font:700 28px 'Playfair Display',serif;margin:0 0 4px}
.pm-related>.pm-wide>p{color:var(--pm-mute);margin:0 0 22px}
.pm-rgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pm-rc{display:block;padding:22px;background:#fff;border:1px solid var(--pm-line);border-radius:var(--pm-r);text-decoration:none;color:inherit;transition:.25s;border-bottom:4px solid transparent}
.pm-rc:hover{transform:translateY(-4px);box-shadow:var(--pm-shadow);border-bottom-color:var(--pm-amber)}
.pm-rc i{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--pm-sand);color:var(--pm-amber-d);margin-bottom:14px}
.pm-rc h3{font-size:16px;margin:0 0 6px;line-height:1.35}
.pm-rc p{font-size:13.5px;color:var(--pm-mute);margin:0;line-height:1.55}
.pm-share{display:flex;gap:10px;align-items:center;justify-content:center;padding:30px 0 40px;color:var(--pm-mute);font-size:14px}
.pm-share a{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--pm-line);color:var(--pm-ink);text-decoration:none;transition:.2s}
.pm-share a:hover{background:var(--pm-amber);border-color:var(--pm-amber)}
button.scroll-top{border:0;padding:0;appearance:none;-webkit-appearance:none}

/* ---------- Reveal ---------- */
.pm-rv{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.pm-rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.pm-rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .pm-hero-in{grid-template-columns:1fr;gap:34px}
  .pm-paper{transform:none;max-width:520px}
  .pm-stake{grid-template-columns:repeat(3,1fr)}
  .pm-four,.pm-rgrid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .pm-tabs{grid-template-columns:1fr}
  .pm-tablist{flex-direction:row;overflow-x:auto;padding-bottom:4px;gap:8px}
  .pm-tab{flex:none;width:auto;white-space:nowrap}
  .pm-split{grid-template-columns:1fr}
}
@media (max-width:600px){
  .pm-hero-in{padding:40px 20px 50px}
  .pm-art{font-size:16px}
  .pm-art h2{font-size:26px;margin-top:50px}
  .pm-stake{grid-template-columns:repeat(2,1fr)}
  .pm-four,.pm-rgrid{grid-template-columns:1fr}
  .pm-panel{padding:20px}
  .pm-band-in{padding:48px 20px}
  .pm-author{flex-direction:column;text-align:center}
  .pm-cta{padding:30px 20px}
  .pm-brand-in{padding:14px 20px}
}