:root{
  --navy:#1F2A44; --navy-2:#2A3757; --teal:#1A8C8C; --teal-dark:#146F6F; --teal-light:#7FD3D3;
  --ink:#1F2A44; --muted:#4A5363; --line:#DDE2E8; --bg:#FFFFFF; --bg-soft:#F3F5F7;
  --radius:16px; --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Poppins,system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--teal-dark)}
a:hover{color:var(--navy)}
h1,h2,h3{line-height:1.2;letter-spacing:-0.02em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:700}
h3{font-size:1.2rem;font-weight:600}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.eyebrow{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-dark);margin-bottom:.6em}
.lead{font-size:1.15rem;color:var(--muted);max-width:640px}
.muted{color:var(--muted)}
.small{font-size:.9rem}

/* header */
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:700;font-size:1.05rem;line-height:1.05}
.brand svg{width:40px;height:40px;flex:none}
.brand span span{display:block;font-weight:400;color:var(--teal-dark)}
.nav{display:flex;gap:6px 20px;flex-wrap:wrap;align-items:center}
.nav a{text-decoration:none;color:var(--ink);font-size:.95rem;font-weight:500;padding:8px 0}
.nav a:hover{color:var(--teal-dark)}
.nav a.btn-primary,.nav a.btn-primary:hover{color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 24px;border-radius:999px;font-weight:600;font-size:1rem;text-decoration:none;border:2px solid transparent;transition:background .15s,color .15s,border-color .15s;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--teal-dark);color:#fff}
.btn-primary:hover{background:var(--navy);color:#fff}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-ghost:hover{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--teal-light);color:var(--navy)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.nav .btn{min-height:42px;padding:8px 18px;font-size:.9rem}

/* sections */
section{padding:80px 0}
.soft{background:var(--bg-soft)}
.dark{background:var(--navy);color:#fff}
.dark .lead,.dark .muted{color:#C9D1DE}
.dark .eyebrow{color:var(--teal-light)}
.hero{padding:88px 0 72px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px;align-items:center}
.hero-card{background:var(--navy);color:#fff;border-radius:24px;padding:32px;display:flex;flex-direction:column;gap:14px}
.hero-card .row{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--navy-2);padding-bottom:12px;font-size:.95rem}
.hero-card .row:last-child{border:0;padding-bottom:0}
.hero-card strong{color:var(--teal-light)}
.tag{display:inline-block;font-size:.75rem;font-weight:600;padding:3px 10px;border-radius:999px}
.tag-cut{background:#FCA5A5;color:#5b1414}.tag-merge{background:#FDBA74;color:#5a2a05}.tag-keep{background:#BBF7D0;color:#0f4024}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column}
.card .num{font-size:.85rem;font-weight:600;color:var(--teal-dark);margin-bottom:8px}
.card .btn{margin-top:auto;align-self:flex-start}
.card p:last-of-type{margin-bottom:20px}
.product{border-width:2px}
.product.featured{border-color:var(--teal)}
.price{font-size:1.8rem;font-weight:700;margin:4px 0 12px}
.price small{font-size:.9rem;font-weight:400;color:var(--muted)}
ul.ticks{list-style:none;padding:0;margin:0 0 24px}
ul.ticks li{padding-left:30px;position:relative;margin-bottom:8px}
ul.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:18px;height:18px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' stroke='white' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
.quote{border-left:0;background:var(--bg-soft);border-radius:var(--radius);padding:28px;font-size:1.05rem}

/* checklist */
ol.signs{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:14px}
ol.signs li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 20px 72px;position:relative}
ol.signs li::before{content:counter(s);position:absolute;left:20px;top:18px;width:36px;height:36px;border-radius:10px;background:var(--navy);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
ol.signs li strong{display:block;margin-bottom:2px}

/* faq */
details{border-bottom:1px solid var(--line);padding:18px 0}
details summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px;min-height:28px}
details summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--teal-dark)}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--muted)}

/* prose pages */
.prose>*{max-width:760px}
.prose h2{font-size:1.4rem;margin-top:1.8em}
.prose li{margin-bottom:.4em}
.notice{background:#FFF6CC;border:1px solid #F1D97A;border-radius:12px;padding:16px 20px;font-size:.95rem;margin-bottom:32px}

/* footer */
.site-footer{background:var(--navy);color:#C9D1DE;padding:48px 0 32px;font-size:.92rem}
.site-footer .wrap{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{color:var(--teal-light)}
.site-footer .brand{color:#fff}
.site-footer .brand span span{color:var(--teal-light)}
.footer-links{display:flex;gap:10px 24px;flex-wrap:wrap}
.footer-base{width:100%;border-top:1px solid var(--navy-2);padding-top:20px;margin-top:8px}

@media (max-width:860px){
  section{padding:56px 0}
  .hero{padding:48px 0}
  .hero .wrap,.split,.grid-2,.grid-3{grid-template-columns:minmax(0,1fr)}
  .nav{width:100%;justify-content:flex-start}
}
.hero-card .row>span:last-child,.hero-card .row>strong{white-space:nowrap}
@media (max-width:480px){.hero-card{padding:22px}.hero-card .row{font-size:.85rem}}