:root{
  --ink:#0F1A16;
  --ink-soft:#34433D;
  --muted:#65726B;
  --paper:#F7F6F1;
  --paper-2:#ECEAE1;
  --line:#E0DDD0;
  --emerald:#12A37F;
  --emerald-deep:#0C7A5E;
  --sand:#C9A86A;
  --radius:18px;
  --maxw:1140px;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.78;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.narrow{max-width:820px;}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,246,241,.82);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;}
.brand img{height:40px;width:auto;}
.nav-links{display:flex;gap:30px;font-size:15px;color:var(--ink-soft);}
.nav-links a{position:relative;padding:4px 0;transition:color .2s;}
.nav-links a:hover{color:var(--emerald-deep);}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--emerald);transition:width .25s ease;}
.nav-links a:hover::after{width:100%;}

/* Hero */
.hero{position:relative;overflow:hidden;padding:90px 0 78px;}
.aurora{
  position:absolute;inset:-40% -10% auto -10%;height:120%;z-index:0;pointer-events:none;
  background:
    radial-gradient(40% 50% at 78% 12%, rgba(18,163,127,.22) 0%, rgba(18,163,127,0) 60%),
    radial-gradient(38% 46% at 12% 82%, rgba(201,168,106,.20) 0%, rgba(201,168,106,0) 60%),
    radial-gradient(50% 60% at 50% 40%, rgba(12,122,94,.10) 0%, rgba(12,122,94,0) 70%);
  filter:blur(6px);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:54px;align-items:center;}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--emerald-deep);background:#E4F2EC;border:1px solid #C9E6DC;padding:6px 14px;border-radius:999px;margin-bottom:22px;}
h1{font-size:clamp(31px,4.3vw,50px);line-height:1.14;font-weight:780;letter-spacing:-.02em;margin-bottom:22px;}
.lede{font-size:19px;color:var(--ink-soft);max-width:34em;margin-bottom:30px;}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px;}
.btn{display:inline-block;padding:13px 26px;border-radius:12px;font-weight:600;font-size:15.5px;transition:transform .18s ease,box-shadow .25s ease,background .2s;}
.btn-primary{background:var(--emerald);color:#fff;box-shadow:0 12px 26px -12px rgba(12,122,94,.8);}
.btn-primary:hover{background:var(--emerald-deep);transform:translateY(-2px);}
.btn-api{background:var(--ink);color:#fff;box-shadow:0 12px 26px -13px rgba(15,26,22,.85);}
.btn-api:hover{background:#000;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--emerald);color:var(--emerald-deep);transform:translateY(-2px);}
.trust{font-size:14px;color:var(--muted);}
.hero-art{transform:rotate(1.3deg);filter:drop-shadow(0 30px 50px rgba(14,42,34,.18));}
.hero-art img{border-radius:var(--radius);}

/* Sections */
.section{padding:88px 0;}
.section-tint{background:var(--paper-2);border-block:1px solid var(--line);}
.section-head{text-align:center;max-width:720px;margin:0 auto 54px;}
h2{font-size:clamp(26px,3.2vw,38px);font-weight:740;letter-spacing:-.015em;line-height:1.2;margin-bottom:16px;}
h3{font-size:clamp(19px,2vw,24px);font-weight:700;margin:24px 0 10px;letter-spacing:-.01em;}
h4{font-size:16.5px;font-weight:680;color:var(--emerald-deep);margin:18px 0 6px;}
.section p{color:var(--ink-soft);font-size:17px;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:18px;margin:0;}

/* Feature rows */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;padding:30px 0;}
.feature-art img{border-radius:var(--radius);}
.feature:nth-of-type(odd) .feature-art{transform:rotate(-1.1deg);}
.feature:nth-of-type(even) .feature-art{transform:rotate(1.1deg);}
.feature-art{filter:drop-shadow(0 22px 38px rgba(14,42,34,.14));}

/* Why cards */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:34px;}
.why-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .2s ease,box-shadow .25s ease,border-color .2s;}
.why-card:nth-child(2){transform:translateY(-8px);}
.why-card:nth-child(3){transform:translateY(8px);}
.why-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px -18px rgba(14,42,34,.32);border-color:#C9E0D6;}
.why-card h3{margin-top:0;}
.why-card h3::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--sand);margin-right:9px;vertical-align:middle;}
.why-card p{margin:0;font-size:15.5px;color:var(--ink-soft);}

/* Who scenes text headings */
#who .feature-text h3{padding-left:16px;border-left:3px solid var(--emerald);}

/* Steps */
.steps{list-style:none;counter-reset:step;margin:30px 0 44px;display:grid;gap:20px;}
.steps li{position:relative;padding:22px 26px 22px 74px;background:var(--paper-2);border-radius:var(--radius);border:1px solid var(--line);}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:22px;top:24px;width:34px;height:34px;border-radius:50%;background:var(--emerald);color:#fff;font-weight:700;display:grid;place-items:center;}
.steps h3{margin:0 0 4px;}
.steps p{margin:0;font-size:16px;}

/* CTA banner */
.cta-banner{text-align:center;background:var(--ink);color:var(--paper);border-radius:24px;padding:48px 32px;background-image:radial-gradient(80% 120% at 50% -20%, rgba(18,163,127,.30) 0%, rgba(18,163,127,0) 60%);}
.cta-banner h3{color:var(--paper);margin-top:0;}
.cta-banner p{color:#B7C4BD;margin-bottom:24px;}

/* Footer */
.site-footer{background:#0C1512;color:#B7C4BD;padding:54px 0 28px;}
.footer-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid #233029;}
.footer-brand img{height:38px;margin-bottom:14px;}
.footer-brand p{max-width:30em;font-size:15px;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:15px;}
.footer-links a:hover{color:var(--emerald);}
.footer-bottom{padding-top:20px;font-size:13.5px;color:#7C8A83;}

/* Responsive */
@media (max-width:860px){
  .nav-links{display:none;}
  .hero-grid,.feature,.feature-rev{grid-template-columns:1fr;gap:34px;}
  .hero-art,.feature:nth-of-type(odd) .feature-art,.feature:nth-of-type(even) .feature-art{transform:none;}
  .feature-rev .feature-art{order:-1;}
  .why-grid{grid-template-columns:1fr;}
  .why-card{transform:none!important;}
  .section{padding:60px 0;}
  .hero{padding:54px 0 48px;}
}