:root{
  --navy:#0b1f3a;--navy-2:#12305a;--teal:#0e9fa3;--teal-d:#0a7d80;--gold:#c8962e;
  --bg:#f6f8fb;--card:#fff;--text:#1d2b3f;--muted:#5b6b82;--line:#e2e8f0;
  --radius:16px;--shadow:0 10px 30px rgba(11,31,58,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--teal-d);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1140px,100% - 32px);margin-inline:auto}
h1,h2,h3{line-height:1.2;color:var(--navy);letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
h3{font-size:1.15rem}
p{color:var(--muted)}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-d);margin-bottom:12px}
.section{padding:84px 0}
.section.alt{background:#fff}
.section-head{max-width:640px;margin-bottom:44px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head p{margin-top:12px}

/* header */
.topbar{background:var(--navy);color:#cbd8ea;font-size:.85rem}
.topbar .container{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.topbar a{color:#e8f1ff}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:800;font-size:1.05rem;line-height:1.15}
.brand:hover{text-decoration:none}
.brand small{display:block;font-weight:600;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-d)}
.logo{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--teal),var(--navy-2));display:grid;place-items:center}
nav.menu ul{display:flex;gap:6px;list-style:none;align-items:center}
nav.menu a{display:block;padding:9px 14px;border-radius:10px;color:var(--text);font-weight:600;font-size:.95rem}
nav.menu a:hover,nav.menu a.active{background:#eaf6f6;color:var(--teal-d);text-decoration:none}
nav.menu a.cta{background:var(--teal);color:#fff}
nav.menu a.cta:hover{background:var(--teal-d);color:#fff}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--navy);margin:4px auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:12px;font-weight:700;border:2px solid transparent;cursor:pointer;font-size:1rem;font-family:inherit}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-d);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-outline{border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}

/* hero */
.hero{background:radial-gradient(900px 500px at 85% 10%,rgba(14,159,163,.35),transparent 60%),linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:96px 0 110px;position:relative;overflow:hidden}
.hero h1{color:#fff;max-width:14ch}
.hero p.lead{color:#cfe0f5;font-size:1.15rem;max-width:52ch;margin:20px 0 32px}
.hero .eyebrow{color:#7fe3e6}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.gem-art{justify-self:center;width:min(380px,100%);filter:drop-shadow(0 30px 50px rgba(0,0,0,.35))}
.page-hero{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:64px 0}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem)}
.page-hero p{color:#cfe0f5;margin-top:10px;max-width:60ch}
.crumbs{font-size:.85rem;color:#9fb6d3;margin-bottom:10px}
.crumbs a{color:#cfe0f5}

/* trust strip */
.trust{margin-top:-54px;position:relative;z-index:2}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;display:flex;gap:14px;align-items:flex-start}
.trust-item h3{font-size:1rem}
.trust-item p{font-size:.88rem;margin-top:2px}
.ico{flex:none;width:46px;height:46px;border-radius:12px;background:#e6f6f6;color:var(--teal-d);display:grid;place-items:center}
.ico svg{width:24px;height:24px}

/* cards */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-4px);border-color:#b9e4e5}
.card .ico{margin-bottom:18px}
.card p{margin-top:8px;font-size:.96rem}
.card ul{margin:14px 0 0 18px;color:var(--muted);font-size:.95rem}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.step{position:relative;padding:26px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;margin-bottom:14px}
.step p{font-size:.94rem;margin-top:6px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.panel{background:linear-gradient(135deg,var(--navy),var(--navy-2));border-radius:24px;padding:40px;color:#fff}
.panel h3{color:#fff;font-size:1.4rem}
.panel p{color:#cfe0f5;margin-top:10px}
.checks{list-style:none;margin-top:20px;display:grid;gap:12px}
.checks li{display:flex;gap:12px;color:var(--text)}
.checks li::before{content:"";flex:none;width:22px;height:22px;margin-top:2px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/14px no-repeat}
.panel .checks li{color:#e8f1ff}

/* verify box */
.verify{background:var(--card);border-radius:24px;box-shadow:var(--shadow);padding:34px;border:1px solid var(--line)}
.verify form{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
input,textarea,select{font:inherit;width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--text)}
input:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(14,159,163,.15)}
.verify input{flex:1;min-width:220px;width:auto}
label{font-weight:600;font-size:.9rem;color:var(--navy);display:block;margin-bottom:6px}
.field{margin-bottom:18px}

/* FAQ */
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 22px;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;color:var(--navy);padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.4rem;color:var(--teal-d);line-height:1}
details[open] summary::after{content:"–"}
details p{padding-bottom:18px}

/* CTA */
.cta-band{background:linear-gradient(135deg,var(--teal-d),var(--navy-2));border-radius:28px;padding:54px;color:#fff;display:flex;justify-content:space-between;gap:28px;align-items:center;flex-wrap:wrap}
.cta-band h2{color:#fff}
.cta-band p{color:#d7f2f3;margin-top:8px}
.cta-band .btn-primary{background:#fff;color:var(--navy)}

/* contact */
.contact-list{list-style:none;display:grid;gap:18px;margin-top:22px}
.contact-list li{display:flex;gap:14px}
.contact-list b{display:block;color:var(--navy)}

/* terms */
.terms ol{margin-left:22px;display:grid;gap:14px}
.terms li{color:var(--muted)}
.terms li b{color:var(--navy)}
.note{background:#fff8e8;border:1px solid #f1dfae;color:#6e5410;border-radius:12px;padding:14px 18px;font-size:.92rem;margin-top:24px}

/* footer */
footer.site{background:var(--navy);color:#b9c9de;padding:64px 0 0;margin-top:0}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
footer h4{color:#fff;margin-bottom:14px;font-size:1rem}
footer ul{list-style:none;display:grid;gap:9px}
footer a{color:#b9c9de}
footer a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:.85rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.wa{position:fixed;right:18px;bottom:18px;z-index:60;background:#25d366;color:#fff;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;box-shadow:0 10px 24px rgba(0,0,0,.25)}
.wa:hover{transform:scale(1.06);text-decoration:none}
.wa svg{width:28px;height:28px}
.reveal{opacity:0;transform:translateY(18px);transition:.6s}
.reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .hero-grid,.split{grid-template-columns:1fr}
  .gem-art{width:240px;order:-1}
  .trust-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .burger{display:block}
  nav.menu{position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);display:none;padding:12px 16px}
  nav.menu.open{display:block}
  nav.menu ul{flex-direction:column;align-items:stretch}
  .section{padding:60px 0}
  .trust-grid,.steps,.g3,.g2,.foot{grid-template-columns:1fr}
  .hero{padding:64px 0 90px}
  .cta-band{padding:34px 26px}
  .topbar .container{justify-content:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

/* ---- dynamic additions ---- */
.alert{border-radius:12px;padding:14px 18px;margin:18px 0;font-weight:600}
.alert.err{background:#fdecec;color:#8a1f1f;border:1px solid #f3c3c3}
.alert.ok{background:#e8f7ef;color:#14532d;border:1px solid #b7e4c7}
.result{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden;margin-top:30px}
.result-head{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:26px 32px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.result-head h2{color:#fff;font-size:1.5rem}
.result-head small{color:#9fd8da;letter-spacing:.12em;text-transform:uppercase;font-weight:700}
.badge{background:#14b8a6;color:#fff;border-radius:999px;padding:6px 14px;font-weight:700;font-size:.85rem}
.result-body{display:grid;grid-template-columns:1fr 280px;gap:28px;padding:30px}
.result-body img{border-radius:14px;border:1px solid var(--line);width:100%;height:auto}
dl.specs{display:grid;grid-template-columns:200px 1fr;gap:0}
dl.specs dt,dl.specs dd{padding:11px 0;border-bottom:1px solid var(--line)}
dl.specs dt{font-weight:700;color:var(--navy)}
dl.specs dd{color:var(--text)}
.search-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.search-row input{flex:1;min-width:220px;width:auto}
.slider{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);background:#0b1f3a;aspect-ratio:16/7}
.slider .slide{position:absolute;inset:0;opacity:0;transition:opacity .8s}
.slider .slide.on{opacity:1}
.slider img{width:100%;height:100%;object-fit:cover}
.slider .dots{position:absolute;bottom:14px;left:0;right:0;display:flex;gap:8px;justify-content:center}
.slider .dots button{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.5);cursor:pointer}
.slider .dots button.on{background:#fff}
.dl{display:flex;justify-content:space-between;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:12px}
.dl b{color:var(--navy)}
.rich p{margin-bottom:14px}
.rich ul,.rich ol{margin:0 0 14px 22px;color:var(--muted)}
.rich strong,.rich b{color:var(--navy)}
.brand img.logo-img{width:42px;height:42px;border-radius:12px;object-fit:cover}
@media(max-width:720px){.result-body{grid-template-columns:1fr}dl.specs{grid-template-columns:130px 1fr}.slider{aspect-ratio:4/3}}
.rich var{font-style:normal}
.rich strong,.rich b{font-weight:500;color:inherit}
.rich h1,.rich h2,.rich h3,.rich h4{margin:18px 0 10px}