:root{
    --pa-black:#07090d;
    --pa-black-2:#0d1117;
    --pa-text:#0b0d12;
    --pa-muted:#5f6673;
    --pa-line:#e6e8ec;
    --pa-soft:#f4f5f7;
    --pa-gold:#d9a51f;
    --pa-white:#ffffff;
    --pa-radius:24px;
    --pa-max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    color:var(--pa-text);
    background:#fff;
    -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

.pa-nav{
    height:68px;
    padding:0 clamp(20px,5vw,64px);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(16px);
    border-bottom:1px solid rgba(0,0,0,.06);
    position:sticky;
    top:0;
    z-index:50;
}
.pa-brand,.pa-footer-brand{
    font-weight:800;
    letter-spacing:.14em;
    font-size:18px;
}
.pa-nav-links{display:flex;gap:34px;font-size:14px;font-weight:600;color:#20242c}
.pa-nav-links a{opacity:.76}.pa-nav-links a:hover{opacity:1}
.pa-nav-cta{
    background:var(--pa-black);
    color:#fff;
    padding:12px 18px;
    border-radius:12px;
    font-size:14px;
    font-weight:700;
}

.pa-hero{
    min-height:720px;
    display:grid;
    grid-template-columns:1fr 1fr;
    align-items:center;
    max-width:1440px;
    margin:0 auto;
    padding:74px clamp(20px,6vw,86px);
    gap:48px;
    overflow:hidden;
}
.pa-hero-copy{max-width:580px}
.pa-eyebrow{
    text-transform:uppercase;
    letter-spacing:.13em;
    font-size:12px;
    font-weight:800;
    color:var(--pa-gold);
    margin:0 0 18px;
}
h1,h2,h3,p{margin-top:0}
h1{
    font-size:clamp(52px,7vw,94px);
    line-height:.96;
    letter-spacing:-.06em;
    margin-bottom:28px;
}
h1 span{display:block;color:#626977}
.pa-hero-text{
    font-size:21px;
    line-height:1.55;
    color:var(--pa-muted);
    max-width:510px;
    margin-bottom:34px;
}
.pa-hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:44px}
.pa-button{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:50px;
    padding:0 24px;
    border-radius:13px;
    font-weight:800;
    transition:transform .18s ease,opacity .18s ease;
}
.pa-button:hover{transform:translateY(-1px)}
.pa-button-dark{background:var(--pa-black);color:#fff}
.pa-button-light{background:#fff;color:var(--pa-black)}
.pa-button-ghost{color:var(--pa-black);padding-inline:6px}
.pa-hero-points{display:flex;gap:22px;flex-wrap:wrap;color:var(--pa-muted);font-size:14px;font-weight:700}
.pa-hero-points span:before{content:"";display:inline-block;width:7px;height:7px;background:var(--pa-gold);border-radius:50%;margin-right:8px;vertical-align:1px}
.pa-hero-image{
    align-self:stretch;
    min-height:560px;
    border-radius:32px;
    overflow:hidden;
    background:#f6f7f8;
    box-shadow:0 28px 80px rgba(12,16,22,.10);
}
.pa-hero-image img{width:100%;height:100%;object-fit:cover;object-position:center}

.pa-section{padding:92px clamp(20px,6vw,86px)}
.pa-section-heading{text-align:center;max-width:780px;margin:0 auto 46px}
.pa-section-heading h2,.pa-split h2,.pa-nfc-copy h2,.pa-final-cta h2{
    font-size:clamp(34px,4vw,58px);
    line-height:1.05;
    letter-spacing:-.04em;
    margin-bottom:18px;
}
.pa-section-heading p,.pa-split p,.pa-nfc-copy p,.pa-final-cta p{font-size:18px;line-height:1.65;color:var(--pa-muted)}
.pa-dark{background:linear-gradient(180deg,#07090d,#0b1118);color:#fff}
.pa-dark .pa-section-heading p,.pa-dark .pa-problem-card p,.pa-dark .pa-core-grid p{color:#aeb7c4}
.pa-light{background:#fff}

.pa-problem-grid{
    max-width:var(--pa-max);
    margin:0 auto;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:18px;
}
.pa-problem-card{
    min-height:210px;
    padding:28px;
    border:1px solid rgba(255,255,255,.11);
    border-radius:22px;
    background:rgba(255,255,255,.045);
}
.pa-problem-card h3{font-size:22px;line-height:1.2;margin-bottom:16px}
.pa-problem-card p{line-height:1.55;margin-bottom:0}

.pa-split{
    max-width:var(--pa-max);
    margin:0 auto;
    display:grid;
    grid-template-columns:.9fr 1.1fr;
    gap:70px;
    align-items:center;
}
.pa-mode-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pa-mode-item{
    border:1px solid var(--pa-line);
    border-radius:20px;
    padding:26px;
    background:#fafafa;
}
.pa-mode-item strong{display:block;font-size:21px;margin-bottom:9px}
.pa-mode-item span{color:var(--pa-muted);line-height:1.55}

.pa-use-cases{background:var(--pa-soft)}
.pa-use-grid{
    max-width:var(--pa-max);
    margin:0 auto;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:22px;
}
.pa-use-grid article{
    background:#fff;
    border-radius:24px;
    overflow:hidden;
    box-shadow:0 14px 40px rgba(10,14,20,.08);
}
.pa-use-grid img{width:100%;height:260px;object-fit:cover}
.pa-use-grid h3{font-size:22px;margin:24px 24px 8px}
.pa-use-grid p{margin:0 24px 28px;color:var(--pa-muted);line-height:1.6}

.pa-core-grid{
    max-width:var(--pa-max);
    margin:0 auto;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:18px;
}
.pa-core-grid article{
    border:1px solid rgba(255,255,255,.12);
    border-radius:22px;
    padding:26px;
    background:rgba(255,255,255,.045);
}
.pa-core-dot{
    width:80px;height:80px;border-radius:50%;margin-bottom:20px;
    overflow:hidden;
    box-shadow:inset 0 0 18px rgba(255,255,255,.28),0 12px 28px rgba(0,0,0,.25);
}
.pa-core-dot.obsidian{background:radial-gradient(circle at 30% 25%,#666,#050505 55%)}
.pa-core-dot.quartz{background:radial-gradient(circle at 35% 25%,#fff,#cfd3d9 62%,#f9f9f9)}
.pa-core-dot.hematite{background:radial-gradient(circle at 35% 25%,#9aa0a6,#272b31 62%)}
.pa-core-dot.frosted{background:radial-gradient(circle at 35% 25%,#fff,#e7ecef 70%)}
.pa-core-grid h3{font-size:21px;margin-bottom:8px}
.pa-core-grid p{line-height:1.55;margin:0}

.pa-nfc-section{
    max-width:var(--pa-max);
    margin:0 auto;
    display:grid;
    grid-template-columns:.8fr 1.2fr;
    gap:70px;
    align-items:center;
}
.pa-nfc-image-wrap{position:relative;border-radius:30px;overflow:hidden;box-shadow:0 28px 80px rgba(12,16,22,.12)}
.pa-nfc-image-wrap img{width:100%;height:620px;object-fit:cover;object-position:center}
.pa-nfc-ring{
    position:absolute;right:30%;bottom:5%;width:140px;height:140px;border:2px solid rgba(217,165,31,.85);border-radius:50%;
    box-shadow:0 0 0 24px rgba(217,165,31,.14),0 0 0 52px rgba(217,165,31,.08),0 0 0 84px rgba(217,165,31,.05);
    pointer-events:none;
}

.pa-final-cta{
    text-align:center;
    padding:90px 20px;
    background:var(--pa-black);
    color:#fff;
}
.pa-final-cta p{max-width:620px;margin-left:auto;margin-right:auto;color:#aeb7c4}
.pa-final-cta .pa-eyebrow{color:var(--pa-gold)}

.pa-footer{
    background:#05070a;
    color:#fff;
    padding:48px clamp(20px,6vw,86px);
    display:flex;
    justify-content:space-between;
    gap:32px;
}
.pa-footer p{color:#9fa8b6;margin:10px 0 0}
.pa-footer-links{display:flex;gap:26px;flex-wrap:wrap;color:#c5ccd6;font-size:14px}

@media(max-width:960px){
    .pa-nav-links{display:none}
    .pa-hero,.pa-split,.pa-nfc-section{grid-template-columns:1fr}
    .pa-hero{padding-top:44px;min-height:auto}
    .pa-hero-image{min-height:430px;order:-1}
    .pa-problem-grid,.pa-core-grid{grid-template-columns:1fr 1fr}
    .pa-use-grid{grid-template-columns:1fr}
    .pa-nfc-image-wrap img{height:500px}
}
@media(max-width:600px){
    .pa-nav{height:62px}
    .pa-nav-cta{padding:10px 14px}
    h1{font-size:50px}
    .pa-section{padding:64px 18px}
    .pa-problem-grid,.pa-mode-list,.pa-core-grid{grid-template-columns:1fr}
    .pa-hero{padding:28px 18px 62px}
    .pa-hero-image{min-height:360px;border-radius:24px}
    .pa-use-grid img{height:220px}
    .pa-footer{flex-direction:column}
}

.px-order-summary {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid #e5e5e5;
}

.px-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
}

.px-summary-row strong {
    font-size: 28px;
    font-weight: 700;
}

.px-payment-info {
    margin-top: 18px;
    text-align: center;
}

.px-payment-icons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.px-payment-icons span {
    background: #f3f3f3;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
}