:root{color-scheme:dark;--bg:#080d19;--card:#10192b;--panel:#111d31;--edge:#29344b;--text:#f0f4fc;--muted:#a1afc4;--accent:#5ddcc4;--accent2:#ad93ff;--warning:#ffd48a;--width:1130px;font-family:'DM Sans',Inter,system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(ellipse 75% 35% at 42% -10%,#233862 0%,transparent 70%),var(--bg);color:var(--text);margin:0;line-height:1.65;font-size:16px}a{color:#8beedc;text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8beedc;outline-offset:3px}h1,h2,h3,h4{font-family:'Space Grotesk',Inter,system-ui,sans-serif;line-height:1.15;letter-spacing:-.033em}h1{font-size:clamp(2.5rem,6vw,5.6rem);margin:10px 0 18px}h2{font-size:clamp(1.7rem,3.3vw,2.65rem);margin:16px 0}h3{font-size:1.2rem;margin:6px 0 12px}p{margin:0 0 18px;color:var(--muted)}.container{width:min(var(--width),calc(100% - 40px));margin:auto}.site-header{border-bottom:1px solid rgba(120,143,183,.15);background:rgba(8,13,25,.65);backdrop-filter:blur(14px);position:sticky;top:0;z-index:5}.nav{height:77px;display:flex;align-items:center;justify-content:space-between;gap:30px}.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-family:'Space Grotesk',sans-serif;font-size:1.35rem;white-space:nowrap}.logo-icon{display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#8a8ef9);color:#061326;width:36px;height:36px;border-radius:11px;font-weight:900}.logo em{color:var(--accent);font-style:normal}.nav-links{display:flex;gap:24px;align-items:center}.nav-links a{color:var(--muted);font-size:.93rem}.nav-links a:hover{color:var(--text)}.pill-link{border:1px solid #355b63!important;padding:9px 16px;border-radius:40px;color:#91f8e6!important}.hero{padding:94px 0 58px;text-align:center}.eyebrow{font-size:.77rem;text-transform:uppercase;letter-spacing:.19em;font-weight:700;color:#76e8cc}.gradient{background:linear-gradient(110deg,#7cefe0,#9c9eff 75%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero>p{font-size:1.14rem;max-width:720px;margin:0 auto 32px}.hero-actions{display:flex;gap:13px;justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:linear-gradient(110deg,var(--accent),#80dbf0);color:#061826;font-weight:800;border:0;padding:13px 22px;border-radius:12px;cursor:pointer;box-shadow:0 4px 30px rgba(94,220,196,.10)}.btn:hover{text-decoration:none;filter:brightness(1.08)}.btn-outline{background:transparent;border:1px solid #486079;color:var(--text);box-shadow:none}.hero-proof{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:.85rem}.hero-proof b{color:var(--accent)}.section{padding:50px 0}.section-heading{max-width:750px;margin-bottom:30px}.section-heading p{font-size:1.04rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{display:flex;flex-direction:column;min-height:252px;padding:26px;border-radius:19px;border:1px solid var(--edge);background:linear-gradient(160deg,#15233b,#0e1729);box-shadow:0 15px 35px #0002;transition:transform .2s,border-color .2s}.tool-card:hover{transform:translateY(-3px);border-color:#426f7f;text-decoration:none}.tool-card h3{color:var(--text)}.tool-card p{font-size:.93rem;flex:1}.tool-card .arrow{margin-top:auto;color:var(--accent);font-weight:700;font-size:.88rem}.tool-icon{display:inline-grid;place-items:center;height:41px;width:41px;border:1px solid #38546c;background:#1e3c4b;border-radius:11px;color:var(--accent);font-size:1.22rem;margin-bottom:16px}.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:45px 0}.feature-strip>div{padding:22px;border-left:2px solid #4daea7;background:#0f1726;border-radius:8px}.feature-strip strong{display:block}.feature-strip p{margin-top:8px;margin-bottom:0;font-size:.9rem}.page-header{padding:65px 0 20px}.page-header .eyebrow{margin-bottom:11px;display:block}.page-header h1{font-size:clamp(2.1rem,5vw,3.8rem);max-width:950px;margin:9px 0 15px}.page-header p{max-width:780px;font-size:1.08rem}.calculator-panel{padding:28px;background:linear-gradient(125deg,#111e31,#0e1727);border:1px solid #35415c;border-radius:23px;box-shadow:0 19px 45px #0004;margin:23px 0 25px}.input-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.field{display:flex;flex-direction:column;gap:7px}.field-label{font-size:.84rem;color:#cbd7e9;font-weight:700}.field input,.field select{background:#0a1426;color:#f0f4fc;border:1px solid #364760;border-radius:10px;padding:12px 13px;width:100%;outline-offset:2px;min-height:49px}.field select{cursor:pointer}.field small{font-size:.76rem;color:#8495ac}.results-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:23px 0}.result{min-height:100px;padding:17px 19px;background:#0a1324;border-radius:12px;border:1px solid #273853;display:flex;flex-direction:column;justify-content:space-between;gap:9px}.result span{color:#a6b3c8;font-size:.83rem;font-weight:600}.result strong{font-family:'Space Grotesk';font-size:clamp(1.2rem,2.7vw,1.83rem);letter-spacing:-.02em;color:#f5f9fe;word-break:break-word}.result.emphasis{background:linear-gradient(120deg,#163b48,#1d2944);border-color:#4a9b99}.result.emphasis strong{color:#9af4df}.calculator-note{margin:13px 0 0;font-size:.88rem;line-height:1.65}.source-note{font-size:.78rem;margin:11px 0 0;color:#8d9cb5}.error{background:#472735;color:#ffd0d5;padding:13px;border:1px solid #b96575;border-radius:10px;margin-top:15px}.inline-info{padding:17px;border-radius:10px;background:#2a2b39;border:1px solid #49465c;color:#ddd7ef;margin-top:15px}.table-scroll{overflow-x:auto;margin-top:23px;border-radius:11px;border:1px solid var(--edge)}.data-table{border-collapse:collapse;width:100%;text-align:left;font-size:.89rem}.data-table th,.data-table td{padding:13px 12px;border-bottom:1px solid #2b364b;white-space:nowrap}.data-table th{color:#95a8bd;background:#142037}.data-table td{color:#ecf1fa}.content-grid{display:grid;grid-template-columns:1fr 300px;gap:37px;align-items:start}.article-content{max-width:800px}.article-content h2{font-size:1.5rem;margin-top:34px}.article-content p,.article-content li{color:#adbbcd}.article-content li{margin-bottom:8px}.info-card{border:1px solid var(--edge);border-radius:16px;padding:22px;background:#111c2f}.info-card h3{margin:0 0 12px}.info-card li{margin:10px 0;color:var(--muted)}.info-card ul{padding-left:19px}.info-card a{font-size:.9rem}.callout{padding:20px;border:1px solid #375d63;background:#132630;border-radius:13px;margin:25px 0}.callout p{margin:0}.site-footer{margin-top:90px;padding:46px 0 25px;border-top:1px solid var(--edge);background:#090f1b}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.site-footer p{font-size:.87rem;max-width:390px;margin-top:12px}.site-footer h4{margin:0 0 15px}.site-footer nav{display:flex;flex-direction:column;gap:10px}.site-footer nav a{color:var(--muted);font-size:.9rem}.footnote{font-size:.8rem;color:#7f90a9;border-top:1px solid #1e2b40;padding-top:20px;margin-top:28px}.disclosure{font-size:.82rem;border-left:2px solid #8792c9;padding:8px 14px;margin:15px 0;color:#a3afc3}.citation-list{word-break:break-word}.citation-list li{margin-bottom:13px}.highlight-card{background:linear-gradient(105deg,#1a3547,#27224d);padding:30px;border:1px solid #485b7e;border-radius:20px}.kicker{color:#6fdfcf;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;font-weight:800}.lead{font-size:1.1rem}.separator{border:0;height:1px;background:var(--edge);margin:40px 0}code{background:#1b283c;color:#a2e8dd;border-radius:5px;padding:2px 5px}
@media(max-width:860px){.grid{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:1fr}.nav-links{gap:11px}.nav-links a{font-size:.82rem}.feature-strip{grid-template-columns:1fr}}
@media(max-width:600px){.container{width:calc(100% - 30px)}.hero{padding:63px 0 33px}.nav{height:auto;min-height:72px;flex-wrap:wrap;padding:12px 0}.nav-links{gap:14px;width:100%;justify-content:center;padding-bottom:8px}.nav-links .pill-link{padding:5px 9px}.grid,.input-grid,.results-grid,.footer-grid{grid-template-columns:1fr}.calculator-panel{padding:17px}.page-header{padding:42px 0 12px}.section{padding:33px 0}.tool-card{min-height:220px}.hero-proof{gap:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

.demo-tabs{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}.demo-tabs a{display:inline-block;text-decoration:none;background:#1d2b43;color:#c0d1e3;border:1px solid #425371;border-radius:10px;padding:10px 15px;cursor:pointer;font-weight:700}.demo-tabs a[aria-selected=true]{background:#294e58;color:#b5ffec;border-color:#60c9bc}.status{font-size:.86rem;color:#d7c4a6}.tiny-note{font-size:.78rem;color:#a3b5c8}.results-grid{margin-bottom:14px}.results-grid .result{min-height:90px}.field{min-height:81px} .hidden{display:none!important}