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.lead-card-strong p{color:#c7d5df}.lead-card small{color:#7b8e9e}.lead-card-strong small{color:#91a7b7}
.wa-cta{display:inline-flex;flex-direction:column;justify-content:center;min-width:185px;padding:13px 18px;border-radius:16px;background:#1fa855;color:white;font-weight:800;box-shadow:0 10px 25px rgba(11,31,51,.12);transition:.2s}
.wa-cta:hover{transform:translateY(-2px);box-shadow:0 15px 35px rgba(11,31,51,.18)}
.wa-cta span{font-size:12px}.wa-cta b{font-size:14px;margin-top:2px}
.home-lead-band{margin-top:28px;border:1px solid var(--line);border-radius:22px;padding:24px 26px;display:flex;align-items:center;justify-content:space-between;gap:26px;background:linear-gradient(135deg,#f2fbf9,#fff9e9)}
.home-lead-band>div{min-width:0}.home-lead-band>div>span{font-size:10px;font-weight:900;letter-spacing:.17em;color:var(--teal)}
.home-lead-band h3{font-size:24px;line-height:1.1;letter-spacing:-.03em;margin:6px 0}.home-lead-band p{margin:0;color:var(--muted);font-size:14px}

@media(max-width:980px){
  .article-grid{gap:0}
  .article-grid article{width:100%;max-width:100%}
}
@media(max-width:720px){
  .wrap{width:calc(100% - 28px);max-width:1180px}
  .home-hero h1,.article-hero h1{font-size:clamp(34px,10.5vw,43px);line-height:1.02;letter-spacing:-.045em;overflow-wrap:break-word}
  .article-hero .hero-grid{padding:52px 0 46px}
  .home-hero .hero-grid{padding:54px 0 48px}
  .direct-answer{padding-left:14px;line-height:1.55}
  .hero-meta{gap:7px 14px}
  .hero-meta span{max-width:100%}
  .tool-shell{margin-top:-18px}
  .tool-card{width:100%;padding:18px;border-radius:18px}
  .process-line>div{padding:16px 14px}
  .factor-grid{grid-template-columns:1fr}
  .sorter,.decision,.tool-buttons{gap:8px}
  .sorter button,.decision button,.tool-buttons button{max-width:100%;white-space:normal;text-align:left;overflow-wrap:break-word}
  .floor-demo{height:175px}
  .machine-box{left:18px;bottom:22px;max-width:45%}
  .clear-zone{right:16px;top:20px;max-width:48%;white-space:normal}
  .article-body{padding:46px 0}
  .toc{padding-left:16px;margin-bottom:38px}
  .toc a{line-height:1.35;padding:2px 0}
  .content-section{padding-bottom:42px;margin-bottom:40px}
  .content-section h2{font-size:clamp(27px,8vw,32px);line-height:1.12}
  .prose{font-size:16px;line-height:1.72}
  .check-list li{padding-right:2px}
  .table-wrap{border-radius:13px;margin-left:0;margin-right:0}
  .query-box,.refs{padding:20px;border-radius:18px}
  .query-box h2,.refs h2{font-size:26px;line-height:1.12}
  .chips{gap:7px}.chips span{border-radius:14px;padding:8px 10px;max-width:100%}
  .lead-card{grid-template-columns:1fr;gap:18px;padding:22px;border-radius:19px}
  .lead-card h2{font-size:27px}
  .wa-cta{width:100%;min-width:0;text-align:center;align-items:center}
  .home-lead-band{flex-direction:column;align-items:stretch;padding:20px;border-radius:18px}
  .home-lead-band h3{font-size:22px}.home-lead-band .wa-cta{width:100%}
  .ref-grid a{padding:14px}
}
@media(max-width:480px){
  .wrap{width:calc(100% - 22px)}
  .nav-wrap{height:68px}.brand-mark{width:40px;height:40px}.brand{font-size:16px}.brand small{font-size:9px}
  .nav{left:10px;right:10px;top:62px}
  .home-hero h1,.article-hero h1{font-size:clamp(32px,10.2vw,39px)}
  .home-hero p,.direct-answer{font-size:16px}
  .hero-actions{gap:9px}.btn{padding:12px 16px}
  .trust-line{margin-top:22px}.trust-line span{font-size:11px;padding:7px 9px}
  .hero-machine{height:250px}.machine-body{transform:scale(.70) perspective(800px) rotateY(-12deg)}.machine-top{transform:scale(.82)}
  .tool-head h2{font-size:20px;line-height:1.15}
  .calc-grid label,.result-panel{padding:17px}.calc-grid label strong,.result-panel b{font-size:25px}
  .sorter button,.decision button{width:100%}
  .floor-demo{height:190px}.machine-box{left:12px;bottom:16px}.clear-zone{right:12px;top:14px;font-size:10px}
  .table-wrap table{min-width:480px}
  .article-figure figcaption{padding:9px 11px}
  .section-head h2,.refs h2,.query-box h2{overflow-wrap:break-word}
  .home-tools,.guide-section,.principles,.related{padding:58px 0}
}

/* v4: visible but restrained enquiry layer */
.nav-wa{display:inline-flex!important;align-items:center;gap:7px;padding:9px 13px!important;border-radius:999px;background:#1fa855;color:#fff!important;box-shadow:0 8px 20px rgba(31,168,85,.18);transition:.2s}
.nav-wa:after{display:none!important}.nav-wa:hover{transform:translateY(-1px);box-shadow:0 12px 25px rgba(31,168,85,.24)}
.wa-dot{font-size:9px;color:#d7ffe6;animation:waPulse 1.8s infinite}
.wa-hero-btn{background:#1fa855;color:#fff;border:1px solid rgba(255,255,255,.08);box-shadow:0 10px 28px rgba(0,0,0,.14)}
.wa-hero-btn:hover{transform:translateY(-2px)}
.hero-enquiry{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
.hero-enquiry>span{color:#9fb3c1}.hero-wa{display:inline-flex;align-items:center;padding:9px 13px;border-radius:999px;background:#1fa855;color:#fff;font-weight:850;line-height:1.2;box-shadow:0 8px 20px rgba(0,0,0,.14)}
.floating-wa{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:850;display:flex;align-items:center;gap:10px;background:#1fa855;color:#fff;padding:10px 15px 10px 10px;border-radius:999px;box-shadow:0 16px 42px rgba(11,31,51,.24);border:1px solid rgba(255,255,255,.22);transition:.22s}
.floating-wa:hover{transform:translateY(-3px);box-shadow:0 20px 48px rgba(11,31,51,.3)}
.floating-wa-icon{width:37px;height:37px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.16);flex:0 0 auto}
.floating-wa-icon svg{width:24px;height:24px;display:block}
.floating-wa-copy{display:flex;flex-direction:column;line-height:1.12;white-space:nowrap}
.floating-wa-copy b{font-size:13px;letter-spacing:-.01em}.floating-wa-copy small{font-size:10px;color:#dcf7e7;margin-top:3px}
@keyframes waPulse{0%,100%{opacity:.45;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}
@media(max-width:720px){
  .nav-wa{margin-top:8px;justify-content:center;padding:11px 12px!important}
  .floating-wa{right:14px;bottom:max(14px,env(safe-area-inset-bottom));padding:9px 13px 9px 9px;gap:8px;max-width:calc(100vw - 28px)}
  .floating-wa-icon{width:35px;height:35px}.floating-wa-copy b{font-size:12px}.floating-wa-copy small{display:none}
  .hero-enquiry{align-items:flex-start;flex-direction:column}.hero-wa{width:100%;justify-content:center;text-align:center}
}
@media(max-width:480px){
  .floating-wa{border-radius:18px}
}

/* v5 home page redesign: lighter, more visual, less content-heavy */
.hub-home{background:var(--paper)}
.hub-hero-lite{position:relative;overflow:hidden;padding:58px 0 54px;background:
  radial-gradient(circle at 8% 10%,rgba(15,159,147,.14),transparent 22%),
  radial-gradient(circle at 90% 12%,rgba(244,185,66,.16),transparent 20%),
  linear-gradient(180deg,#fffefb 0%,#f5f3ed 100%)}
.hub-hero-lite:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(11,31,51,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(11,31,51,.035) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.2));opacity:.36;pointer-events:none}
.hub-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(380px,.92fr);gap:44px;align-items:center}
.home-kicker{display:inline-flex;align-items:center;gap:10px;padding:8px 12px;border-radius:999px;background:#ecf8f6;color:var(--teal);font-size:11px;font-weight:900;letter-spacing:.16em}
.hub-copy h1{font-size:clamp(38px,5.2vw,72px);line-height:.98;letter-spacing:-.055em;margin:18px 0 18px;max-width:760px}
.hub-copy h1 em{font-style:normal;color:var(--teal)}
.hub-copy p{font-size:18px;color:#4d6174;max-width:710px;margin:0 0 28px}
.hero-actions-light .btn{box-shadow:0 10px 24px rgba(11,31,51,.08)}
.btn.soft-light{background:#fff;border:1px solid #d9e2df;color:var(--ink)}
.btn.soft-ink{background:var(--ink);color:#fff}
.trust-line-light span{background:#fff;border:1px solid #dfe7e6;color:#4f6677}
.hub-visual-board{position:relative;min-height:420px}
.hero-focus-card{position:absolute;display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:24px;border:1px solid rgba(11,31,51,.08);background:rgba(255,255,255,.88);box-shadow:0 24px 60px rgba(11,31,51,.10);backdrop-filter:blur(7px);transition:.25s}
.hero-focus-card:hover{transform:translateY(-4px);box-shadow:0 30px 70px rgba(11,31,51,.14)}
.hero-focus-card span{font-size:10px;font-weight:900;letter-spacing:.17em;color:var(--teal);text-transform:uppercase}
.hero-focus-card strong{font-size:21px;line-height:1.1;letter-spacing:-.03em}
.hero-focus-card p{font-size:13px;line-height:1.5;color:var(--muted);margin:0}
.hero-main{left:0;top:34px;width:min(100%,380px);min-height:250px;justify-content:end;background:linear-gradient(150deg,#ffffff,#f3faf8)}
.hero-a{right:14px;top:0;width:220px;background:linear-gradient(150deg,#fff,#fff6e8)}
.hero-b{left:84px;bottom:48px;width:250px;background:linear-gradient(150deg,#fff,#f2f6ff)}
.hero-c{right:0;bottom:8px;width:260px;background:linear-gradient(150deg,#fff,#f4fbfa)}
.purpose-strip{padding:14px 0;background:#10263c;color:#d2dee9}
.purpose-strip-inner{display:grid;grid-template-columns:1fr 1fr;gap:28px;font-size:13px;line-height:1.65}
.purpose-strip b{color:#fff}
.home-smart-entry,.home-track-zone,.flow-zone,.knowledge-bridge{padding:86px 0}
.cream-zone{padding:86px 0;background:var(--cream)}
.compact-head h2{font-size:clamp(30px,4vw,48px);margin-bottom:18px}
.section-note{max-width:440px;color:var(--muted);font-size:15px;margin:0}
.entry-grid-v2{display:grid;grid-template-columns:1.1fr .78fr .78fr;gap:18px;align-items:stretch}
.entry-card-v2{display:flex;flex-direction:column;background:#fff;border:1px solid #e0e7e5;border-radius:28px;overflow:hidden;box-shadow:0 1px 0 rgba(11,31,51,.03);transition:.25s}
.entry-card-v2:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8dcd8}
.entry-card-v2 span{font-size:11px;font-weight:900;letter-spacing:.17em;color:var(--teal);text-transform:uppercase}
.entry-card-v2 h3{font-size:28px;line-height:1.05;letter-spacing:-.04em;margin:10px 0 12px}
.entry-card-v2 p{color:var(--muted);margin:0 0 14px;font-size:15px}
.entry-card-v2 b{font-size:13px}
.entry-wide .entry-media{aspect-ratio:1.3/1;overflow:hidden;background:#11213b}
.entry-wide .entry-media img{width:100%;height:100%;object-fit:cover;display:block}
.entry-wide .entry-copy{padding:24px}
.entry-soft{padding:24px;background:linear-gradient(160deg,#ecf8f6,#ffffff)}
.entry-tall{justify-content:flex-end}
.entry-links{padding:24px;background:linear-gradient(160deg,#fffdf6,#ffffff)}
.mini-link-stack{display:grid;gap:10px;margin-top:10px}
.mini-link-stack a{display:flex;align-items:center;justify-content:space-between;padding:13px 15px;background:#fff;border:1px solid #e5ebe9;border-radius:16px;font-weight:700;font-size:14px;transition:.2s}
.mini-link-stack a:hover{border-color:#bad8d2;transform:translateX(3px)}
.mini-link-stack i{font-style:normal;color:var(--teal)}
.guide-slider,.mini-slider{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:6px;-ms-overflow-style:none;scrollbar-width:none}
.guide-slider::-webkit-scrollbar,.mini-slider::-webkit-scrollbar{display:none}
.visual-guide-card{min-width:280px;width:min(330px,84vw);scroll-snap-align:start;background:#fff;border:1px solid #e2e8e7;border-radius:28px;overflow:hidden;box-shadow:0 1px 0 rgba(11,31,51,.03);transition:.25s}
.visual-guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.visual-guide-image{aspect-ratio:1.18/1;background:#10233d}
.visual-guide-image img{width:100%;height:100%;object-fit:cover;display:block}
.visual-guide-copy{padding:22px}
.visual-guide-copy small{display:block;font-size:10px;font-weight:900;letter-spacing:.16em;color:var(--teal);margin-bottom:8px}
.visual-guide-copy h3{font-size:19px;line-height:1.12;letter-spacing:-.03em;margin:0 0 16px}
.visual-guide-copy span{font-size:13px;font-weight:800}
.track-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.track-panel{border-radius:30px;padding:28px;overflow:hidden}
.track-light{background:#f5f3ed;border:1px solid #e1e5e2}
.track-dark{background:linear-gradient(160deg,#081b2e,#10304b);color:#fff;position:relative}
.track-dark:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 84% 14%,rgba(244,185,66,.12),transparent 22%),linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:auto,34px 34px,34px 34px;pointer-events:none;opacity:.7}
.small-head h2{font-size:32px;margin-bottom:16px}
.small-head.inverse span{color:var(--teal2)}
.small-head.inverse h2{color:#fff}
.topic-mini-card{min-width:250px;width:min(260px,74vw);scroll-snap-align:start;background:#fff;border:1px solid #e2e8e7;border-radius:22px;overflow:hidden}
.topic-mini-card img{display:block;width:100%;aspect-ratio:1.45/1;object-fit:cover;background:#10233d}
.topic-mini-card div{padding:16px}
.topic-mini-card small{display:block;font-size:10px;font-weight:900;letter-spacing:.16em;color:var(--teal);margin-bottom:6px}
.topic-mini-card b{display:block;font-size:16px;line-height:1.2;letter-spacing:-.02em}
.issue-stack{position:relative;z-index:2;display:grid;gap:12px}
.issue-stack a{display:grid;gap:6px;padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);transition:.2s}
.issue-stack a:hover{background:rgba(255,255,255,.11);transform:translateX(4px)}
.issue-stack small{font-size:10px;font-weight:900;letter-spacing:.16em;color:var(--teal2)}
.issue-stack b{font-size:18px;line-height:1.16;letter-spacing:-.02em;color:#fff}
.issue-stack span{font-size:12px;color:#cdd8e0}
.flow-strip-v2{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:10px}
.flow-strip-v2>div{position:relative;padding:22px 18px;background:#fff;border:1px solid #e1e7e5;border-radius:22px;box-shadow:0 1px 0 rgba(11,31,51,.03)}
.flow-strip-v2>div:not(:last-child):after{content:"";position:absolute;right:-13px;top:36px;width:12px;height:2px;background:linear-gradient(90deg,var(--teal),var(--gold))}
.flow-strip-v2 i{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#0f2841;color:#fff;font-style:normal;font-size:11px;font-weight:900;letter-spacing:.1em;margin-bottom:18px;box-shadow:inset 0 0 0 4px rgba(15,159,147,.10)}
.flow-strip-v2 b,.flow-strip-v2 span{display:block}
.flow-strip-v2 b{font-size:20px;letter-spacing:-.03em;margin-bottom:6px}
.flow-strip-v2 span{font-size:13px;color:var(--muted);line-height:1.55}
.all-topics-box{background:#fff;border:1px solid #e1e7e5;border-radius:24px;padding:0;overflow:hidden}
.all-topics-box summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;cursor:pointer}
.all-topics-box summary::-webkit-details-marker{display:none}
.all-topics-box summary span{display:block;font-size:10px;font-weight:900;letter-spacing:.16em;color:var(--teal);margin-bottom:4px}
.all-topics-box summary b{font-size:22px;letter-spacing:-.03em}
.all-topics-box summary i{font-style:normal;font-weight:800;color:var(--muted)}
.topic-chip-cloud{display:flex;flex-wrap:wrap;gap:10px;padding:0 24px 24px}
.topic-chip-cloud a{display:inline-flex;padding:10px 14px;border-radius:999px;background:var(--cream);border:1px solid #dde5e2;font-size:13px;line-height:1.35;transition:.2s}
.topic-chip-cloud a:hover{background:#eaf7f5;border-color:#b7d9d4}
.bridge-grid-v2{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.bridge-card-v2{padding:28px;border-radius:30px;border:1px solid #e0e7e5;background:#fff}
.bridge-card-v2 span{display:block;font-size:11px;font-weight:900;letter-spacing:.16em;color:var(--teal);margin-bottom:10px}
.bridge-card-v2 h2,.bridge-card-v2 h3{font-size:clamp(28px,3vw,40px);line-height:1.08;letter-spacing:-.04em;margin:0 0 12px}
.bridge-card-v2 h3{font-size:28px}
.bridge-card-v2 p{font-size:15px;color:var(--muted);margin:0}
.bridge-commerce{background:linear-gradient(160deg,#eef8f6,#fffdf7)}
.resource-pills{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 24px}
.resource-pills a{display:inline-flex;align-items:center;padding:11px 14px;border-radius:999px;background:#fff;border:1px solid #dbe5e2;font-weight:800;font-size:13px}
.bridge-wa{margin-top:4px}
.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr}
@media(max-width:1100px){
  .hub-hero-grid,.entry-grid-v2,.track-grid,.bridge-grid-v2{grid-template-columns:1fr}
  .hub-visual-board{min-height:320px;max-width:540px}
  .purpose-strip-inner{grid-template-columns:1fr}
  .flow-strip-v2{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:720px){
  .hub-hero-lite{padding:42px 0 34px}
  .hub-copy h1{font-size:clamp(34px,10vw,46px)}
  .hub-copy p{font-size:16px}
  .hub-visual-board{min-height:auto;display:grid;gap:12px}
  .hero-focus-card{position:relative;left:auto!important;right:auto!important;top:auto!important;bottom:auto!important;width:100%!important;min-height:auto;border-radius:22px}
  .hero-main{min-height:190px}
  .home-smart-entry,.home-track-zone,.flow-zone,.knowledge-bridge,.cream-zone{padding:66px 0}
  .entry-card-v2 h3{font-size:25px}.small-head h2{font-size:28px}
  .visual-guide-card{width:82vw;min-width:82vw}
  .topic-mini-card{width:78vw;min-width:78vw}
  .flow-strip-v2{grid-template-columns:1fr}
  .flow-strip-v2>div:not(:last-child):after{right:50%;top:auto;bottom:-9px;width:2px;height:12px;transform:translateX(50%);background:linear-gradient(180deg,var(--teal),var(--gold))}
  .all-topics-box summary{padding:18px}
  .all-topics-box summary b{font-size:19px}
}
@media(max-width:480px){
  .home-kicker{font-size:10px;padding:7px 10px}
  .hub-copy h1{font-size:33px}
  .purpose-strip{padding:12px 0}
  .purpose-strip-inner{gap:10px;font-size:12px}
  .entry-card-v2,.track-panel,.bridge-card-v2{border-radius:22px}
  .entry-soft,.entry-links,.track-panel,.bridge-card-v2{padding:20px}
  .entry-card-v2 h3{font-size:22px}
  .visual-guide-copy h3{font-size:18px}
  .topic-chip-cloud{padding:0 18px 18px}
}