:root{
  --bg:#fbfbf9; --surface:#ffffff; --ink:#101418; --ink-2:#5a6472; --ink-3:#9aa3ae;
  --line:#e8e8e2; --brand:#0d5c46; --brand-2:#0f7a5c; --mint:#d9f2e6; --mint-2:#eef9f3;
  --amber:#f5b73d; --radius:18px; --radius-lg:28px;
  --display:'Space Grotesk',sans-serif; --sans:'Inter',system-ui,sans-serif;
  --shadow:0 1px 2px rgba(16,20,24,.05),0 8px 24px rgba(16,20,24,.06);
  --shadow-lg:0 2px 6px rgba(16,20,24,.06),0 24px 60px rgba(16,20,24,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
body{
  font-family:var(--sans);background:var(--bg);color:var(--ink);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--mint)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(251,251,249,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;font-size:21px}
.logo-mark{width:30px;height:30px;border-radius:50%;background:var(--brand);position:relative;overflow:hidden}
.logo-mark::after{content:'';position:absolute;right:-6px;top:-6px;width:20px;height:20px;border-radius:50%;background:var(--amber)}
.nav-links{display:flex;gap:34px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--ink-2);transition:color .2s}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:100px;font-weight:600;font-size:15px;min-height:46px;
  transition:transform .2s,box-shadow .2s,background .2s;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,20,24,.22)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-2);transform:translateY(-2px);box-shadow:0 10px 24px rgba(13,92,70,.3)}
.btn-light{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--ink-3)}
.btn-lg{padding:16px 34px;font-size:16px}
.menu-btn{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px}

/* hero */
.hero{padding:150px 0 80px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--mint-2);border:1px solid var(--mint);
  color:var(--brand);font-size:13.5px;font-weight:600;padding:7px 16px;border-radius:100px;margin-bottom:26px;
}
h1{font-size:clamp(40px,5.6vw,66px);font-weight:700;line-height:1.04;margin-bottom:22px}
h1 .hl{position:relative;white-space:nowrap}
h1 .hl::after{content:'';position:absolute;left:-2px;right:-2px;bottom:6px;height:.34em;background:var(--mint);z-index:-1;border-radius:4px}
.hero p{font-size:18px;color:var(--ink-2);max-width:480px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.trust{display:flex;align-items:center;gap:14px;font-size:14px;color:var(--ink-2)}
.trust .avatars{display:flex}
.trust .avatars span{
  width:34px;height:34px;border-radius:50%;border:2.5px solid var(--bg);margin-left:-10px;
  display:grid;place-items:center;font-size:11.5px;font-weight:700;color:#fff;
}
.trust .avatars span:first-child{margin-left:0}
.trust b{color:var(--ink)}

/* phone mockup */
.phone-wrap{display:flex;justify-content:center;position:relative}
.phone-blob{position:absolute;inset:8% -4% 0;background:radial-gradient(ellipse at 50% 40%,var(--mint) 0%,transparent 65%);z-index:0}
.phone{
  position:relative;z-index:1;width:320px;background:var(--ink);border-radius:44px;padding:12px;
  box-shadow:var(--shadow-lg);
}
.screen{background:#f6f7f6;border-radius:34px;overflow:hidden}
.p-status{display:flex;justify-content:space-between;padding:14px 22px 6px;font-size:12px;font-weight:600;color:var(--ink)}
.p-head{padding:10px 20px 0;display:flex;justify-content:space-between;align-items:center}
.p-hello{font-size:13px;color:var(--ink-2)}
.p-name{font-family:var(--display);font-weight:600;font-size:17px}
.p-ava{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--amber));display:grid;place-items:center;color:#fff;font-size:13px;font-weight:700}
.p-card{
  margin:16px 16px 12px;border-radius:20px;padding:20px;color:#fff;
  background:linear-gradient(135deg,#0d5c46 0%,#0f7a5c 55%,#15966f 100%);
  position:relative;overflow:hidden;
}
.p-card::after{content:'';position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;background:rgba(255,255,255,.12)}
.p-card .pc-label{font-size:11.5px;opacity:.75;letter-spacing:.04em;text-transform:uppercase}
.p-card .pc-balance{font-family:var(--display);font-size:32px;font-weight:700;margin:4px 0 14px;font-variant-numeric:tabular-nums}
.p-card .pc-row{display:flex;justify-content:space-between;align-items:flex-end;font-size:12.5px;opacity:.85}
.p-cash{
  margin:0 16px 12px;background:#fff;border-radius:16px;padding:14px 16px;display:flex;align-items:center;gap:12px;
  box-shadow:var(--shadow);
}
.p-cash .ic{width:36px;height:36px;border-radius:12px;background:var(--mint-2);display:grid;place-items:center}
.p-cash .ic svg{width:18px;height:18px;stroke:var(--brand)}
.p-cash .t{font-size:13px;font-weight:600}
.p-cash .s{font-size:11.5px;color:var(--ink-2)}
.p-cash .amt{margin-left:auto;font-weight:700;color:var(--brand);font-size:14px;font-variant-numeric:tabular-nums}
.p-tx{background:#fff;margin:0 16px 18px;border-radius:16px;box-shadow:var(--shadow);padding:6px 0}
.p-tx .tx{display:flex;align-items:center;gap:12px;padding:10px 16px}
.p-tx .tx .ic{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:14px;flex:none}
.p-tx .tx .t{font-size:13px;font-weight:600}
.p-tx .tx .s{font-size:11px;color:var(--ink-3)}
.p-tx .tx .amt{margin-left:auto;font-size:13px;font-weight:600;font-variant-numeric:tabular-nums}
.p-tx .tx .amt.plus{color:var(--brand)}

/* logos strip */
.strip{padding:36px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.strip-row{display:flex;justify-content:center;align-items:center;gap:clamp(26px,5vw,60px);flex-wrap:wrap;color:var(--ink-3);font-weight:600;font-size:15px}
.strip-row .s-item{display:flex;align-items:center;gap:8px}
.strip-row svg{width:18px;height:18px;stroke:var(--ink-3)}

/* sections */
.section{padding:104px 0}
.sec-head{text-align:center;max-width:600px;margin:0 auto 64px}
.kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}
h2{font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.1;margin-bottom:16px}
.sec-head p{color:var(--ink-2);font-size:17px}

/* features */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feat .icon{width:48px;height:48px;border-radius:14px;background:var(--mint-2);display:grid;place-items:center;margin-bottom:22px}
.feat .icon svg{width:23px;height:23px;stroke:var(--brand)}
.feat h3{font-size:19px;margin-bottom:10px}
.feat p{font-size:14.5px;color:var(--ink-2)}

/* calculator */
.calc-card{
  background:var(--surface);border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1.15fr .85fr;overflow:hidden;
}
.calc-left{padding:48px}
.calc-left h2{margin-bottom:8px}
.calc-left>p{color:var(--ink-2);margin-bottom:36px}
.slider-group{margin-bottom:30px}
.slider-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.slider-head .s-label{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px}
.slider-head .s-label .dot{width:10px;height:10px;border-radius:3px}
.slider-head .s-val{font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink)}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:100px;
  background:var(--line);outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;
  background:var(--brand);border:4px solid #fff;box-shadow:0 2px 8px rgba(16,20,24,.25);cursor:grab;
}
input[type=range]::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;background:var(--brand);border:4px solid #fff;
  box-shadow:0 2px 8px rgba(16,20,24,.25);cursor:grab;
}
input[type=range]:focus-visible{outline:2px solid var(--brand);outline-offset:4px}
.calc-right{
  background:linear-gradient(160deg,var(--brand) 0%,#0a4736 100%);color:#fff;
  padding:48px 42px;display:flex;flex-direction:column;justify-content:center;
}
.calc-right .cr-label{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;opacity:.7}
.calc-right .cr-total{font-family:var(--display);font-size:clamp(44px,5vw,60px);font-weight:700;margin:8px 0 4px;font-variant-numeric:tabular-nums}
.calc-right .cr-sub{opacity:.75;font-size:14.5px;margin-bottom:28px}
.calc-right .cr-line{display:flex;justify-content:space-between;font-size:14px;padding:11px 0;border-top:1px solid rgba(255,255,255,.18)}
.calc-right .cr-line strong{font-variant-numeric:tabular-nums}
.calc-right .btn{margin-top:30px;background:#fff;color:var(--brand)}
.calc-right .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.25)}

/* security */
.sec-band{background:var(--ink);color:#fff;border-radius:32px;padding:clamp(44px,6vw,76px);display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.sec-band h2{color:#fff}
.sec-band>div>p{color:#aab3bd;margin-bottom:30px}
.sec-list{display:grid;gap:18px}
.sec-item{display:flex;gap:16px;align-items:flex-start}
.sec-item .ic{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);display:grid;place-items:center;flex:none}
.sec-item .ic svg{width:19px;height:19px;stroke:#5fd3a8}
.sec-item .t{font-weight:600;font-size:15.5px}
.sec-item .s{font-size:14px;color:#aab3bd}

/* testimonial */
.big-quote{max-width:780px;margin:0 auto;text-align:center}
.big-quote blockquote{font-family:var(--display);font-size:clamp(22px,3vw,32px);font-weight:500;line-height:1.35;letter-spacing:-.01em}
.big-quote .bq-author{margin-top:28px;display:flex;align-items:center;justify-content:center;gap:14px}
.big-quote .bq-ava{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--amber),var(--brand));display:grid;place-items:center;color:#fff;font-weight:700}
.big-quote .bq-name{font-weight:600;font-size:15px;text-align:left}
.big-quote .bq-role{font-size:13px;color:var(--ink-2);text-align:left}

/* pricing */
.tiers{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:840px;margin:0 auto}
.tier{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow)}
.tier.pro{border:2px solid var(--brand);position:relative}
.tier .badge-top{position:absolute;top:-13px;left:40px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:100px}
.tier h3{font-size:21px;margin-bottom:6px}
.tier .t-price{font-family:var(--display);font-size:42px;font-weight:700;margin:14px 0 2px;font-variant-numeric:tabular-nums}
.tier .t-price small{font-size:15px;color:var(--ink-2);font-family:var(--sans);font-weight:500}
.tier .t-desc{color:var(--ink-2);font-size:14.5px;margin-bottom:24px}
.tier ul{list-style:none;display:grid;gap:12px;margin-bottom:30px}
.tier li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start}
.tier li svg{width:17px;height:17px;stroke:var(--brand);flex:none;margin-top:2px}
.tier .btn{width:100%}

/* CTA */
.cta{
  text-align:center;background:linear-gradient(160deg,var(--mint-2),var(--mint));
  border-radius:32px;padding:clamp(48px,7vw,84px) 32px;border:1px solid var(--mint);
}
.cta h2{margin-bottom:12px}
.cta p{color:var(--ink-2);margin-bottom:34px}
.cta .note{font-size:13px;color:var(--ink-3);margin-top:18px;margin-bottom:0}

/* footer */
footer{border-top:1px solid var(--line);padding:56px 0 40px;background:var(--surface)}
.foot{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot-links{display:flex;gap:28px;flex-wrap:wrap}
.foot-links a{font-size:14px;color:var(--ink-2)}
.foot-links a:hover{color:var(--ink)}
.foot-bottom{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3);max-width:820px}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero p{margin-left:auto;margin-right:auto}
  .hero-actions,.trust{justify-content:center}
  .feats{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .calc-card{grid-template-columns:1fr}
  .sec-band{grid-template-columns:1fr}
  .tiers{grid-template-columns:1fr;max-width:460px}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:var(--bg);padding:26px 24px;gap:20px;border-bottom:1px solid var(--line);
  }
  .menu-btn{display:flex}
}
@media (max-width:480px){
  .phone{width:280px}
  .calc-left,.calc-right{padding:32px 24px}
  .section{padding:76px 0}
}

/* ---- cross-document View Transitions (progressive enhancement) ---- */
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  .hero{view-transition-name:page-hero}
  ::view-transition-old(page-hero),::view-transition-new(page-hero){
    animation-duration:.45s;animation-timing-function:cubic-bezier(.4,0,.2,1);
  }
  ::view-transition-old(root),::view-transition-new(root){animation-duration:.35s}
}