:root{--ink:#182d2b;--muted:#5d6d68;--paper:#f6f7f2;--card:#fff;--line:#dce4dd;--green:#176b55;--green-dark:#104e40;--mint:#e4f4ec;--lime:#c7ed85;--peach:#ffdfc9;--shadow:0 12px 36px rgba(23,53,43,.07);--radius:22px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.58 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--green-dark);text-underline-offset:3px}button,input,select{font:inherit}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.topbar{padding:19px 0;border-bottom:1px solid var(--line);background:rgba(246,247,242,.92)}.brandrow{display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-weight:800;letter-spacing:-.03em}.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--green);color:white;font-size:19px}.nav{display:flex;gap:22px;flex-wrap:wrap}.nav a{font-size:14px;color:var(--muted);text-decoration:none}.nav a:hover{color:var(--green)}.hero{padding:69px 0 42px;display:grid;grid-template-columns:1.2fr .8fr;gap:54px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:750;font-size:12px;letter-spacing:.12em;text-transform:uppercase}.dot{width:8px;height:8px;background:#88bf67;border-radius:50%}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,6vw,68px);line-height:1.03;letter-spacing:-.065em;margin:17px 0 20px;max-width:680px}h1 em{font-style:normal;color:var(--green)}.hero p{max-width:630px;color:var(--muted);font-size:18px;margin-bottom:24px}.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:12px 19px;background:var(--green);color:white;font-weight:750;text-decoration:none;cursor:pointer;transition:transform .15s,background .15s}.button:hover{background:var(--green-dark);transform:translateY(-1px)}.button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.hero-art{min-height:315px;position:relative;display:grid;place-items:center}.hero-orb{width:min(300px,75vw);aspect-ratio:1;border-radius:50%;background:var(--lime);display:grid;place-items:center;transform:rotate(-8deg);position:relative}.hero-orb:before,.hero-orb:after{content:"";position:absolute;border:1px solid rgba(24,45,43,.19);border-radius:50%;inset:18px;transform:rotate(23deg)}.hero-orb:after{inset:37px;transform:rotate(-31deg)}.orb-label{position:relative;z-index:1;text-align:center;transform:rotate(8deg)}.orb-label strong{display:block;font-size:55px;line-height:1;letter-spacing:-.07em}.orb-label span{display:block;font-size:13px;font-weight:700;margin-top:10px}.floating{position:absolute;background:white;border:1px solid var(--line);border-radius:16px;padding:12px 16px;box-shadow:var(--shadow);font-weight:750}.floating small{display:block;font-size:11px;color:var(--muted);font-weight:550}.f1{top:17px;right:7px;transform:rotate(5deg)}.f2{bottom:30px;left:0;transform:rotate(-5deg)}.trustrow{padding:0 0 50px;display:flex;gap:12px;flex-wrap:wrap}.pill{border:1px solid var(--line);border-radius:99px;background:#fbfcf9;padding:8px 13px;font-size:13px;color:var(--muted)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:17px 0 22px}.section-head h2{font-size:31px;letter-spacing:-.045em;margin:0}.section-head p{color:var(--muted);margin:0;max-width:470px;font-size:14px}.tools{padding:20px 0 68px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;scroll-margin-top:20px}.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;margin-bottom:17px}.tool-icon{width:44px;height:44px;display:grid;place-items:center;background:var(--mint);border-radius:15px;font-size:21px}.tag{border-radius:99px;background:#f1f5ef;color:#53665e;padding:5px 9px;font-size:11px;font-weight:750}.tool-card h3{font-size:23px;letter-spacing:-.04em;margin:14px 0 6px}.tool-card .intro{font-size:14px;color:var(--muted);margin-bottom:17px}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.field{display:flex;flex-direction:column;gap:5px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:700;color:#344943}.field input,.field select{width:100%;border:1px solid #cfd9d1;border-radius:11px;background:#fff;padding:10px 11px;color:var(--ink);min-height:44px}.field input:focus,.field select:focus{outline:3px solid #c8ead9;border-color:var(--green)}.hint{font-size:11px;color:#75827d}.result{margin-top:15px;padding:15px;border-radius:15px;background:#eff7f0;border:1px solid #d9eadc}.result .label{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:800}.result .big{font-size:27px;letter-spacing:-.05em;font-weight:850;line-height:1.2;margin:3px 0 7px}.result .sub{font-size:12px;color:#53665e}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:11px}.result-item{border-top:1px solid #d5e5d8;padding-top:8px}.result-item span{display:block;color:var(--muted);font-size:11px}.result-item strong{font-size:15px}.formula{font-size:12px;color:var(--muted);margin:12px 0 0}.explain{margin-top:17px;border-top:1px solid var(--line);padding-top:14px}.explain summary{font-weight:750;font-size:13px;cursor:pointer}.explain p,.explain li{font-size:13px;color:var(--muted)}.explain p{margin:9px 0 0}.explain ul{padding-left:19px}.note{margin-top:21px;border-radius:18px;background:#eef2e7;padding:21px 23px;display:grid;grid-template-columns:36px 1fr;gap:12px}.note .bulb{font-size:22px}.note h3{font-size:15px;margin:0 0 5px}.note p{font-size:13px;color:var(--muted);margin:0}.about{padding:24px 0 70px}.aboutbox{background:var(--ink);color:#f6f7f2;border-radius:28px;padding:32px;display:grid;grid-template-columns:.9fr 1.1fr;gap:35px}.aboutbox h2{font-size:28px;letter-spacing:-.04em;margin:7px 0}.aboutbox p{color:#d0ddd6;font-size:14px;margin:0}.aboutbox .eyebrow{color:#b6e2a5}.aboutbox a{color:#c7ed85}.source-list{margin:15px 0 0;padding-left:19px}.source-list li{margin:6px 0;color:#d0ddd6;font-size:13px}.footer{border-top:1px solid var(--line);padding:22px 0 34px;color:var(--muted);font-size:12px}.footerrow{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer a{color:inherit}.mobile-menu{display:none}
    @media(max-width:760px){.wrap{width:min(100% - 28px,600px)}.hero{grid-template-columns:1fr;gap:10px;padding-top:48px}.hero-art{min-height:260px;margin-top:4px}.hero-orb{width:230px}.orb-label strong{font-size:46px}.section-head{display:block}.section-head p{margin-top:8px}.grid{grid-template-columns:1fr}.aboutbox{grid-template-columns:1fr;padding:24px;gap:20px}.nav{gap:12px}.nav a{font-size:12px}.tool-card{padding:20px}.trustrow{padding-bottom:35px}}
    @media(max-width:440px){.nav a:nth-child(2){display:none}.fields{grid-template-columns:1fr}.field.full{grid-column:auto}.brand{font-size:14px}.hero p{font-size:16px}.floating{font-size:13px;padding:9px 12px}.f1{right:-2px}.f2{left:-3px}}
  
.detail{padding:38px 0 70px}.crumbs{font-size:13px;color:var(--muted);margin-bottom:24px}.crumbs a{color:var(--green-dark)}.detail-head{max-width:780px;margin-bottom:28px}.detail-head h1{font-size:clamp(36px,5vw,54px);max-width:780px;margin:10px 0 14px}.detail-head p{font-size:17px;color:var(--muted);max-width:720px}.tool-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(250px,.75fr);gap:22px;align-items:start}.tool-card{scroll-margin-top:16px}.sidebox,.contentbox{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:var(--shadow)}.sidebox h2,.contentbox h2{font-size:21px;letter-spacing:-.035em;margin:0 0 11px}.sidebox p,.contentbox p,.contentbox li{font-size:14px;color:var(--muted)}.sidebox ul{padding-left:18px;margin:10px 0}.sidebox li{font-size:13px;margin:6px 0}.contentbox{margin-top:20px}.contentbox h3{font-size:17px;margin:19px 0 6px}.contentbox p:last-child{margin-bottom:0}.directory-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.directory-card{display:block;text-decoration:none;color:inherit;transition:transform .15s,border-color .15s}.directory-card:hover{transform:translateY(-3px);border-color:#91bda5}.directory-card h2{font-size:21px;letter-spacing:-.035em;margin:13px 0 5px}.directory-card p{font-size:14px;color:var(--muted);margin:0}.directory-card .go{display:inline-flex;margin-top:15px;color:var(--green);font-size:13px;font-weight:800}.small-eyebrow{font-size:12px;color:var(--green);font-weight:800;text-transform:uppercase;letter-spacing:.1em}.topbar{position:sticky;top:0;z-index:10;backdrop-filter:blur(10px)}.foot-links{display:flex;gap:15px;flex-wrap:wrap}.site-disclaimer{font-size:12px;color:var(--muted);margin-top:16px}@media(max-width:760px){.tool-layout{grid-template-columns:1fr}.directory-grid{grid-template-columns:1fr}.detail{padding-top:27px}.detail-head p{font-size:16px}}
/* Homepage depth and motion */
.hero-art{perspective:1100px;transform-style:preserve-3d;isolation:isolate}
.hero-orb{z-index:1;background:radial-gradient(circle at 32% 24%,#d8ff9c 0,#c7ed85 42%,#a9dd63 100%);box-shadow:0 22px 0 rgba(23,107,85,.09),0 36px 45px rgba(23,53,43,.10),inset -13px -15px 25px rgba(23,107,85,.08);transform:rotate(-8deg) rotateX(var(--tilt-y,0deg)) rotateY(var(--tilt-x,0deg));transform-style:preserve-3d;transition:transform .22s ease-out,box-shadow .25s ease-out;will-change:transform}
.orb-label{transform:translateZ(28px) rotate(8deg);text-shadow:0 1px 0 rgba(255,255,255,.4)}
.floating{z-index:2;transform-style:preserve-3d;animation:float-card 5s ease-in-out infinite}
.f1{transform:translateZ(58px) rotate(5deg);animation-delay:-1.1s}.f2{transform:translateZ(46px) rotate(-5deg);animation-delay:-3s}.f3{right:9px;bottom:5px;transform:translateZ(70px) rotate(3deg);animation-delay:-2s}
.orbit{position:absolute;z-index:0;left:50%;top:50%;width:340px;height:155px;border:1px solid rgba(23,107,85,.18);border-radius:50%;pointer-events:none;transform:translate(-50%,-50%) rotate(-31deg) translateZ(-15px)}
.orbit-two{width:385px;height:185px;transform:translate(-50%,-50%) rotate(33deg) translateZ(-25px);border-color:rgba(23,107,85,.10)}
.hero-art:after{content:"";position:absolute;z-index:-1;width:245px;height:46px;left:50%;bottom:17px;transform:translateX(-50%) rotate(-8deg);background:rgba(30,76,59,.14);filter:blur(21px);border-radius:50%}
.directory-card{position:relative;overflow:hidden;transform-style:preserve-3d;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.directory-card:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.7),transparent 38%);opacity:.5}
.directory-card:hover{transform:translateY(-5px) perspective(900px) rotateX(1.5deg);border-color:#91bda5;box-shadow:0 18px 38px rgba(23,53,43,.11)}
.directory-card>*{position:relative;z-index:1}.directory-card .tool-icon{transform:translateZ(12px)}
@keyframes float-card{0%,100%{translate:0 0}50%{translate:0 -8px}}
@media(max-width:760px){.orbit{width:270px;height:128px}.orbit-two{width:300px;height:145px}.f3{right:0;bottom:-3px}.hero-art:after{bottom:6px}}
@media(max-width:440px){.hero-art{overflow:visible}.f3{right:-4px;bottom:-2px;font-size:11px}.orbit{width:245px;height:115px}.orbit-two{width:275px;height:135px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.floating{animation:none}.hero-orb,.directory-card{transition:none}.directory-card:hover{transform:none}}

/* Practical guide and FAQ layout */
.text-link{display:inline-block;margin-top:7px;color:var(--green-dark);font-size:13px;font-weight:800}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.guide-card{display:block;color:inherit;text-decoration:none;transition:transform .18s ease,border-color .18s ease}.guide-card h2,.guide-card h3{font-size:19px;line-height:1.25;letter-spacing:-.025em;margin:10px 0 7px}.guide-card p{margin:0;color:var(--muted);font-size:14px}.guide-card .go{display:inline-block;margin-top:13px;color:var(--green);font-weight:800;font-size:13px}.guide-card:hover{transform:translateY(-3px);border-color:#91bda5}.faq-section{margin-top:22px}.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.faq-item{padding:15px 16px;border:1px solid var(--line);border-radius:14px;background:#fbfcf9}.faq-item summary{cursor:pointer;font-weight:750;font-size:14px;color:var(--ink)}.faq-item p{margin:9px 0 0;font-size:13px;color:var(--muted)}.guide-byline{font-size:12px!important;color:var(--muted)!important;margin-top:9px}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:20px;align-items:start}.guide-article{margin-top:0}.guide-article h2{margin-top:27px}.guide-article h2:first-child{margin-top:0}.guide-article p,.guide-article li{font-size:15px;line-height:1.75}.guide-article ul,.guide-article ol{padding-left:22px}.guide-article li{margin:6px 0}.guide-article section+section{border-top:1px solid var(--line);padding-top:5px;margin-top:24px}.guide-callout{margin:28px 0 8px;padding:19px 20px;border:1px solid #d9eadc;border-radius:16px;background:#eff7f0}.guide-callout h2{margin:0 0 7px}.guide-callout p{margin:0}.guide-side{position:sticky;top:88px}.guide-side .button{display:inline-flex;padding:10px 13px;font-size:13px}.guide-side h3{font-size:15px;margin-top:22px}.guide-sources li{font-size:13px!important}@media(max-width:760px){.guide-layout{grid-template-columns:1fr}.guide-side{position:static}.faq-grid{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}}