/* Public Sans, self-hosted variable font (400–800). No third-party font CDN. */
@font-face{font-family:'Public Sans';font-style:normal;font-weight:400 800;font-display:swap;src:url(fonts/public-sans-vietnamese.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Public Sans';font-style:normal;font-weight:400 800;font-display:swap;src:url(fonts/public-sans-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Public Sans';font-style:normal;font-weight:400 800;font-display:swap;src:url(fonts/public-sans-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --green:#14532D;--green-dark:#0B3A1E;--ink:#14261B;--ink-2:#3C4A41;--muted:#4B5A51;--faint:#8A9A90;
  --line:#E6EBE7;--line-2:#D5DED8;--tint:#F7F9F7;--check:#E3F0E6;--on-green:#D4E6D9;--on-green-label:#A7D3B4;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:#fff;color:var(--ink);font-family:'Public Sans',system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-dark)}
input,select,textarea,button{font-family:inherit}
input::placeholder,textarea::placeholder{color:var(--faint)}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:8px;background:#fff;padding:8px 12px;border-radius:6px;z-index:20}
.skip:focus{left:8px}
.wrap{max-width:1160px;margin:0 auto}
.narrow{max-width:760px;margin:0 auto}

/* Header */
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{padding:18px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px}
.brand-name{font-weight:700;font-size:17px;letter-spacing:-.02em;color:var(--ink)}
.brand-name span{font-weight:400;color:var(--muted)}
.nav{display:flex;gap:28px;font-size:14px;font-weight:500;flex-wrap:wrap}
.nav a{color:var(--ink-2)}
.nav a:hover{color:var(--green)}

/* Buttons */
.btn{display:inline-block;background:var(--green);color:#fff;font-weight:600;border-radius:8px;white-space:nowrap;border:0;cursor:pointer}
.btn:hover{background:var(--green-dark);color:#fff}
.btn-sm{font-size:14px;padding:10px 18px}
.btn-lg{font-size:15px;padding:14px 24px}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{background:#fff;border-color:var(--green);color:var(--ink)}

/* Sections */
section{padding:112px 32px}
.bt{border-top:1px solid var(--line)}
.tint{background:var(--tint)}
.eyebrow{font-size:15px;font-weight:600;color:var(--green);margin:0 0 12px}
.h2{font-weight:700;font-size:clamp(30px,4vw,44px);line-height:1.1;letter-spacing:-.02em;margin:0 0 16px}
.lede{font-size:17px;line-height:1.6;color:var(--muted);margin:0;text-wrap:pretty}
.intro{max-width:640px;margin-bottom:56px}
.intro-sm{max-width:640px;margin-bottom:48px}
.body{font-size:15px;line-height:1.6;color:var(--muted);margin:0;text-wrap:pretty}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:64px;align-items:start}

/* Hero */
.hero{padding:112px 32px 96px}
.hero h1{font-weight:700;font-size:clamp(40px,6vw,68px);line-height:1.05;letter-spacing:-.02em;margin:0 0 24px;max-width:820px;text-wrap:balance}
.hero .lede{font-size:19px;line-height:1.55;max-width:660px;margin:0 0 36px}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.stats{max-width:1160px;margin:72px auto 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:12px;overflow:hidden}
.stats div{background:#fff;padding:22px 24px}
.stats strong{display:block;font-weight:700;font-size:26px;letter-spacing:-.01em}
.stats span{font-size:14px;color:var(--muted)}

/* Features */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.features div{background:#fff;padding:36px 32px}
.features div:hover{background:#FBFCFB}
.features h3{font-size:19px;font-weight:600;margin:0 0 10px;letter-spacing:-.01em}

/* Audiences */
#who{padding-top:0}
.audiences{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.audiences div{padding-top:20px;border-top:2px solid var(--green)}
.audiences h3{font-size:17px;font-weight:600;margin:0 0 8px}
.also{font-size:15px;color:var(--muted);margin:40px 0 0}

/* How it works */
.how{background:var(--green);color:#fff}
.how .eyebrow{color:var(--on-green-label)}
.how .h2{margin:0}
.how .lede,.how .body{color:var(--on-green)}
.how-head{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:48px;align-items:end;margin-bottom:64px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}
.steps li{border-top:1px solid rgba(255,255,255,.25);padding-top:24px}
.steps .n{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#fff;color:var(--green);font-weight:600;font-size:14px;margin-bottom:20px}
.steps h3{font-size:18px;font-weight:600;margin:0 0 8px}

/* Own site */
.own{border-bottom:1px solid var(--line)}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.checks li{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:12px;font-size:15px;line-height:1.55;color:var(--ink-2)}
.checks .tick{flex:none;width:22px;height:22px;border-radius:50%;background:var(--check);display:grid;place-items:center;margin-top:1px}

/* Compliance */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.cards div{padding:28px 26px;border:1px solid var(--line);border-radius:12px}
.cards .bar{display:block;width:28px;height:2px;background:var(--green);margin-bottom:22px}
.cards strong{display:block;font-size:16px;font-weight:600;margin-bottom:8px}
.cards span:last-child{font-size:14px;line-height:1.6;color:var(--muted)}

/* FAQ: native <details>, no JavaScript */
.faq-title{font-weight:700;font-size:clamp(30px,4vw,40px);line-height:1.1;letter-spacing:-.02em;margin:0 0 40px;text-align:center}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-size:17px;font-weight:500;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;font-size:16px;color:var(--green);line-height:1}
.faq details[open] summary::after{content:'\2212'}
.faq p{margin:0;padding:0 48px 24px 0;font-size:15px;line-height:1.65;color:var(--muted)}

/* About */
.facts{display:grid;gap:28px;align-content:start}
.facts strong{display:block;font-size:14px;color:var(--faint);font-weight:500;margin-bottom:4px}
.facts a,.facts span{font-size:17px}

/* Contact */
.contact-email{font-size:17px}
.contact .lede{margin:0 0 32px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:36px;border:1px solid var(--line-2);border-radius:16px;background:#fff}
.form label{display:grid;gap:6px;font-size:13px;font-weight:500;color:var(--ink-2)}
.form .full{grid-column:1/-1}
.form input:not([type=checkbox]),.form select,.form textarea{padding:12px 14px;border:1px solid var(--line-2);border-radius:8px;font-size:15px;background:#fff;color:var(--ink);width:100%}
.form textarea{resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--green)}
.form .check{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:400}
.form .check input{width:16px;height:16px;accent-color:var(--green)}
.form button{padding:14px;font-size:15px}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{grid-column:1/-1;margin:0;font-size:13px;color:var(--muted)}
.sent{grid-column:1/-1;padding:40px 0;text-align:center}
.sent p:first-child{font-weight:700;font-size:24px;margin:0 0 8px}
.sent p:last-child{margin:0;color:var(--muted)}
[hidden]{display:none!important}

/* Legal pages (privacy, terms, BAA) */
.legal-hero{padding:88px 32px 40px;border-bottom:1px solid var(--line)}
.legal-hero h1{font-weight:700;font-size:clamp(34px,5vw,52px);line-height:1.08;letter-spacing:-.02em;margin:0 0 14px}
.legal-hero .meta{font-size:14px;color:var(--muted);margin:0}
.legal-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0 0}
.legal-tabs a{font-size:14px;font-weight:500;padding:8px 14px;border:1px solid var(--line-2);border-radius:999px;color:var(--ink-2)}
.legal-tabs a:hover{border-color:var(--green);color:var(--green)}
.legal-tabs a[aria-current=page]{background:var(--green);border-color:var(--green);color:#fff}
.legal-body{padding:56px 32px 112px}
.legal{font-size:16px;line-height:1.7;color:var(--ink-2)}
.legal h2{font-size:22px;font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:48px 0 12px;line-height:1.3}
.legal h3{font-size:17px;font-weight:600;color:var(--ink);margin:28px 0 8px}
.legal p{margin:0 0 16px;text-wrap:pretty}
.legal ul,.legal ol{margin:0 0 16px;padding-left:22px}
.legal li{margin-bottom:8px}
.legal li::marker{color:var(--green)}
.legal a{text-decoration:underline;text-underline-offset:2px}
.legal .summary{font-size:17px;color:var(--muted)}
.legal .toc{margin:32px 0 8px;padding:24px 28px;background:var(--tint);border:1px solid var(--line);border-radius:12px}
.legal .toc strong{display:block;font-size:14px;color:var(--ink);margin-bottom:10px}
.legal .toc ol{margin:0;columns:2;column-gap:32px;font-size:15px}
.legal .toc a{text-decoration:none}
.legal .toc a:hover{text-decoration:underline}
.callout{display:flex;gap:14px;align-items:flex-start;margin:0 0 32px;padding:18px 20px;border:1px solid #E9C46A;background:#FEF8E7;border-radius:12px;font-size:15px;line-height:1.55;color:#5C4813}
.callout svg{flex:none;margin-top:2px}
.callout strong{display:block;color:#3F310B;margin-bottom:2px}
.legal .sig{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:32px 0 24px}
.legal .sig div{padding:20px;border:1px solid var(--line);border-radius:12px;font-size:15px}
.legal .sig strong{display:block;color:var(--ink);margin-bottom:10px}
.legal .sig span{display:block;border-bottom:1px solid var(--line-2);padding:14px 0 4px;color:var(--faint);font-size:13px}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:32px}
.site-footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--faint)}
.site-footer nav{display:flex;gap:24px}
.site-footer a{color:var(--faint)}

/* Phone */
@media (max-width:860px){
  .nav{display:none}
}
@media (max-width:600px){
  section,.hero{padding-left:16px;padding-right:16px}
  section{padding-top:72px;padding-bottom:72px}
  .hero{padding-top:64px;padding-bottom:64px}
  .site-header .wrap{padding:14px 16px}
  .stats{margin-top:48px;grid-template-columns:1fr 1fr}
  .stats div{padding:18px 16px}
  .stats strong{font-size:20px}
  .split{gap:40px}
  .features,.cards,.audiences{grid-template-columns:1fr}
  .form{grid-template-columns:1fr;padding:24px 20px}
  .faq p{padding-right:0}
  .legal-hero{padding:56px 16px 32px}
  .legal-body{padding:40px 16px 72px}
  .legal .toc{padding:20px}
  .legal .toc ol{columns:1}
  .legal .sig{grid-template-columns:1fr}
  .site-footer{padding:24px 16px}
}