:root{--navy:#172033;--navy-2:#202b42;--teal:#0f766e;--teal-soft:#dff3f0;--paper:#f5f7fa;--white:#fff;--ink:#1b2436;--muted:#667086;--line:#d9e0e9;--orange:#e97635;--shadow:0 22px 55px rgba(28,39,61,.10);font-family:var(--core-font);color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 90% 0,#e7f5f2 0,transparent 24rem),var(--paper)}a{color:inherit}.sheet-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(24px,5vw,80px);background:rgba(255,255,255,.93);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(14px)}.sheet-brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:19px;font-weight:800}.sheet-brand b{color:var(--teal)}.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--navy);color:#fff;border-radius:10px}.sheet-header nav{display:flex;gap:8px}.sheet-header nav a{text-decoration:none;padding:10px 14px;border-radius:9px;font-size:14px;font-weight:700;color:var(--muted)}.sheet-header nav a:hover,.sheet-header nav a.active{color:var(--teal);background:var(--teal-soft)}.library-shell{max-width:1440px;margin:auto;padding:clamp(40px,6vw,90px) clamp(22px,5vw,76px) 90px}.library-hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(320px,.6fr);gap:60px;align-items:center;min-height:500px}.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:800;color:var(--teal)}.library-hero h1{font-size:clamp(48px,6.5vw,92px);line-height:.96;letter-spacing:-.055em;margin:22px 0 26px;color:var(--navy)}.library-hero p{max-width:650px;font-size:19px;line-height:1.65;color:var(--muted)}.primary-action{display:inline-flex;gap:28px;align-items:center;margin-top:18px;padding:15px 18px 15px 22px;background:var(--teal);color:#fff;text-decoration:none;border-radius:10px;font-weight:800;box-shadow:0 12px 30px rgba(15,118,110,.23)}.hero-report{padding:34px;background:var(--navy);color:#fff;border-radius:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-report:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-70px;top:-70px}.hero-report small{letter-spacing:.16em;color:#91b8b4;font-weight:800}.hero-report strong{display:block;font-size:32px;margin:14px 0 30px}.hero-report div{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.hero-report div span{text-align:center;padding:13px 5px;border:1px solid rgba(255,255,255,.18);border-radius:8px;font-size:12px;font-weight:800}.hero-report p{font-size:14px;color:#bdc8d7;margin:25px 0 0}.library-intro{border-top:1px solid var(--line);padding:70px 0 35px;display:flex;justify-content:space-between;align-items:end;gap:40px}.library-intro div{display:flex;gap:18px;align-items:baseline}.library-intro span{color:var(--teal);font-weight:800}.library-intro h2{font-size:38px;margin:0;color:var(--navy)}.library-intro p{max-width:610px;line-height:1.6;color:var(--muted);margin:0}.discipline-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.discipline-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 8px 26px rgba(24,34,52,.04)}.discipline-card.featured{border-color:#9bcfc9;box-shadow:0 14px 36px rgba(15,118,110,.09)}.discipline-card header{display:flex;gap:18px;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--line)}.discipline-card header>span{display:grid;place-items:center;width:52px;height:52px;background:var(--navy);color:#fff;border-radius:12px;font-size:12px;font-weight:800}.discipline-card.featured header>span{background:var(--teal)}.discipline-card header small{color:var(--muted);font-weight:800}.discipline-card h2{margin:3px 0 0;font-size:23px}.discipline-card ul{list-style:none;padding:8px 0 0;margin:0}.discipline-card li,.tool-row{display:flex;justify-content:space-between;gap:20px;padding:14px 3px;border-bottom:1px solid #edf0f4;font-weight:650}.discipline-card li em,.tool-row em{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#99a1af;font-style:normal}.tool-row.available{margin:15px -10px 0;padding:15px 13px;border:1px solid #b7ddd8;background:#f2fbf9;border-radius:10px;text-decoration:none}.tool-row.available span{display:flex;flex-direction:column;gap:5px}.tool-row.available small{color:var(--muted);font-weight:500}.tool-row.available em{color:var(--teal);font-weight:900;align-self:center}.sheet-footer{display:flex;justify-content:space-between;gap:20px;padding:30px clamp(24px,5vw,80px);background:var(--navy);color:#aeb8c8;font-size:13px}@media(max-width:850px){.sheet-header nav a:not(.active){display:none}.library-hero{grid-template-columns:1fr;min-height:auto}.library-hero h1{font-size:52px}.discipline-grid{grid-template-columns:1fr}.library-intro{display:block}.library-intro p{margin-top:20px}.sheet-footer{display:block}.sheet-footer span{display:block;margin:6px 0}}@media(max-width:520px){.sheet-header{padding:0 18px}.sheet-brand span:last-child b{display:block}.library-shell{padding-left:17px;padding-right:17px}.library-hero h1{font-size:42px}.hero-report{padding:25px}.discipline-card{padding:22px}.library-intro div{display:block}.library-intro h2{font-size:31px;margin-top:8px}}