:root{
  --graphite:#1a1c1e;
  --graphite-2:#25282b;
  --silver:#c8ccce;
  --silver-bright:#e8ebec;
  --steel:#8a9296;
  --steel-dim:#5d6469;
  --line:#33383c;
  --paper:#f2f3f3;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--graphite);
  color:var(--silver);
  font-family:'Inter',sans-serif;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
  overflow-x:hidden;
}
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}
.serif{font-family:'Cormorant',serif}

/* metallic sheen text */
.sheen{
  background:linear-gradient(100deg,#7d8388 0%,#e8ebec 25%,#ffffff 42%,#a8afb3 55%,#e8ebec 72%,#6f767b 100%);
  background-size:200% auto;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  animation:sheen 8s linear infinite;
}
@keyframes sheen{to{background-position:200% center}}

/* header */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  border-bottom:1px solid transparent;
  transition:.4s;
  backdrop-filter:blur(0);
}
header.scrolled{
  background:rgba(26,28,30,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:82px}
.logo{
  font-family:'Cormorant',serif;
  font-size:26px;font-weight:600;letter-spacing:.42em;
  color:var(--silver-bright);padding-left:.42em;
}
.nav-links{display:flex;gap:44px;align-items:center}
.nav-links a{
  color:var(--steel);text-decoration:none;font-size:12px;
  letter-spacing:.16em;text-transform:uppercase;font-weight:400;
  transition:.3s;position:relative;
}
.nav-links a:hover{color:var(--silver-bright)}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:1px;width:0;
  background:var(--silver);transition:.3s;
}
.nav-links a:hover::after{width:100%}
.nav-cta{
  border:1px solid var(--steel-dim);padding:11px 22px;
  color:var(--silver-bright)!important;
}
.nav-cta:hover{border-color:var(--silver);background:rgba(255,255,255,.03)}
.nav-cta::after{display:none!important}
.menu-btn{cursor:pointer}

/* hero */
.hero{
  min-height:100vh;display:flex;align-items:center;position:relative;
  border-bottom:1px solid var(--line);overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 60% at 78% 42%,rgba(200,204,206,.09),transparent 62%);
}
.hero-inner{
  position:relative;z-index:2;width:100%;
  display:grid;grid-template-columns:1fr 480px;align-items:center;gap:60px;
  padding-bottom:120px;
}
.hero-copy{max-width:640px}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center}
.disc{
  width:400px;height:400px;border-radius:50%;position:relative;
  background:conic-gradient(from 210deg,#3a4045,#c8ccce,#f2f3f3,#8a9296,#25282b,#a8afb3,#3a4045);
  filter:blur(1px);
  box-shadow:0 0 120px 20px rgba(200,204,206,.12), inset 0 0 80px rgba(0,0,0,.5);
  animation:spin 40s linear infinite;
}
.disc::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 38% 34%,rgba(255,255,255,.55),transparent 42%);
  mix-blend-mode:screen;
}
.disc::after{
  content:"Ag";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:'Cormorant',serif;font-size:96px;font-weight:600;color:rgba(26,28,30,.4);
  animation:spin-rev 40s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes spin-rev{to{transform:rotate(-360deg)}}
.eyebrow{
  display:flex;align-items:center;gap:16px;
  font-size:12px;letter-spacing:.34em;text-transform:uppercase;
  color:var(--steel);margin-bottom:34px;
}
.eyebrow::before{content:"";width:52px;height:1px;background:var(--steel-dim)}
.hero h1{
  font-family:'Cormorant',serif;font-weight:500;
  font-size:clamp(52px,8vw,104px);line-height:.98;
  letter-spacing:-.01em;color:var(--silver-bright);margin-bottom:30px;
}
.hero h1 em{font-style:italic;font-weight:400}
.hero p{
  font-size:18px;font-weight:300;color:var(--steel);
  max-width:480px;margin-bottom:46px;line-height:1.7;
}
.hero-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.btn{
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  padding:17px 38px;text-decoration:none;transition:.35s;cursor:pointer;
  display:inline-block;font-weight:500;border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(180deg,#e8ebec,#b4babd);
  color:#1a1c1e;
}
.btn-primary:hover{
  background:linear-gradient(180deg,#ffffff,#c8ccce);
  box-shadow:0 8px 30px rgba(200,204,206,.18);transform:translateY(-2px);
}
.btn-ghost{border:1px solid var(--line);color:var(--silver)}
.btn-ghost:hover{border-color:var(--steel);color:var(--silver-bright)}

/* live price ticker */
.ticker{
  position:absolute;bottom:0;left:0;right:0;z-index:3;
  border-top:1px solid var(--line);
  background:rgba(37,40,43,.5);backdrop-filter:blur(8px);
}
.ticker-row{display:flex;align-items:stretch}
.ticker-item{
  flex:1;padding:24px 40px;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
}
.ticker-item:last-child{border-right:none}
.ticker-label{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--steel-dim)}
.ticker-val{font-family:'Cormorant',serif;font-size:28px;color:var(--silver-bright);font-weight:500}
.ticker-val span{font-size:14px;color:var(--steel)}

/* sections */
section{padding:130px 0}
.sec-head{margin-bottom:70px;max-width:640px}
.sec-tag{
  font-size:12px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--steel-dim);margin-bottom:20px;display:block;
}
.sec-title{
  font-family:'Cormorant',serif;font-weight:500;
  font-size:clamp(34px,4.5vw,54px);line-height:1.05;
  color:var(--silver-bright);letter-spacing:-.005em;
}

/* products */
#collection{border-top:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.card{
  background:var(--graphite);padding:48px 40px;position:relative;
  transition:.45s;overflow:hidden;
}
.card:hover{background:var(--graphite-2)}
.card-num{
  font-family:'Cormorant',serif;font-size:13px;color:var(--steel-dim);
  letter-spacing:.15em;margin-bottom:36px;
}
.coin{
  width:118px;height:118px;border-radius:50%;margin:0 auto 40px;position:relative;
  background:
    radial-gradient(circle at 35% 30%,#f4f5f5,#c8ccce 40%,#7d8388 78%,#4a5054);
  box-shadow:
    inset 0 2px 8px rgba(255,255,255,.6),
    inset 0 -6px 14px rgba(0,0,0,.5),
    0 14px 34px rgba(0,0,0,.5);
  display:flex;align-items:center;justify-content:center;
}
.coin::before{
  content:"";position:absolute;inset:9px;border-radius:50%;
  border:1px solid rgba(74,80,84,.45);
}
.coin .mark{
  font-family:'Cormorant',serif;font-size:34px;font-weight:600;color:#3a4045;
  text-shadow:0 1px 0 rgba(255,255,255,.5);
}
.card-name{
  font-family:'Cormorant',serif;font-size:26px;color:var(--silver-bright);
  margin-bottom:8px;text-align:center;font-weight:500;
}
.card-spec{
  text-align:center;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--steel-dim);margin-bottom:28px;
}
.card-foot{
  display:flex;align-items:baseline;justify-content:space-between;
  padding-top:24px;border-top:1px solid var(--line);
}
.card-price{font-family:'Cormorant',serif;font-size:26px;color:var(--silver-bright);font-weight:500}
.card-buy{
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--steel);
  text-decoration:none;transition:.3s;
}
.card-buy:hover{color:var(--silver-bright)}

/* assurance */
#trust{background:var(--graphite-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:60px}
.trust-item .n{
  font-family:'Cormorant',serif;font-size:56px;color:var(--silver-bright);
  font-weight:500;line-height:1;margin-bottom:16px;
}
.trust-item .n em{font-size:26px;font-style:normal;color:var(--steel)}
.trust-item p{font-size:14px;color:var(--steel);line-height:1.6}
.trust-item .k{
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--steel-dim);margin-bottom:14px;display:block;
}

/* process */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:70px}
.step{border-top:1px solid var(--silver);padding-top:28px}
.step .idx{
  font-family:'Cormorant',serif;font-size:15px;color:var(--steel);
  letter-spacing:.1em;margin-bottom:22px;
}
.step h4{
  font-family:'Cormorant',serif;font-size:24px;color:var(--silver-bright);
  font-weight:500;margin-bottom:14px;
}
.step p{font-size:14px;color:var(--steel);line-height:1.7}

/* acquire / form */
#acquire{
  border-top:1px solid var(--line);
  background:radial-gradient(ellipse 70% 100% at 30% 100%,rgba(200,204,206,.07),transparent 70%);
}
.acq-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.acq-copy .sec-title{margin-bottom:26px}
.acq-lead{color:var(--steel);font-size:17px;line-height:1.7;margin-bottom:36px;max-width:440px}
.acq-points{list-style:none;margin-bottom:36px}
.acq-points li{
  display:flex;align-items:center;gap:14px;color:var(--silver);
  font-size:15px;padding:13px 0;border-bottom:1px solid var(--line);
}
.acq-points li:first-child{border-top:1px solid var(--line)}
.chk{
  color:var(--graphite);background:var(--silver);width:20px;height:20px;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:11px;flex-shrink:0;
}
.acq-assure{
  display:flex;gap:12px;align-items:flex-start;
  font-size:13px;color:var(--steel-dim);line-height:1.6;max-width:420px;
}
.lock{flex-shrink:0}

.form-card{
  background:var(--graphite-2);border:1px solid var(--line);
  padding:44px;position:relative;
  box-shadow:0 30px 80px rgba(0,0,0,.4);
}
.fc-head{margin-bottom:30px}
.fc-head h3{
  font-family:'Cormorant',serif;font-size:30px;font-weight:500;
  color:var(--silver-bright);margin-bottom:6px;
}
.fc-sub{font-size:13px;color:var(--steel-dim)}
.field{margin-bottom:22px}
.field label{
  display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--steel);margin-bottom:10px;
}
.field input,.field select{
  width:100%;background:var(--graphite);border:1px solid var(--line);
  color:var(--silver-bright);font-family:'Inter',sans-serif;font-size:15px;
  padding:15px 16px;transition:.25s;outline:none;
}
.field input::placeholder{color:var(--steel-dim)}
.field input:focus,.field select:focus{
  border-color:var(--silver);background:rgba(255,255,255,.02);
}
.field input.invalid{border-color:#b96b62}
.select-wrap{position:relative}
.select-wrap::after{
  content:"▾";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  color:var(--steel);pointer-events:none;font-size:12px;
}
.field select{appearance:none;cursor:pointer;padding-right:40px}
.field select option{background:var(--graphite-2);color:var(--silver-bright)}
.err{
  display:none;color:#c98a82;font-size:12px;margin-top:7px;letter-spacing:.02em;
}
.err.show{display:block}

.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  flex:1;min-width:90px;background:var(--graphite);border:1px solid var(--line);
  color:var(--steel);font-family:'Inter',sans-serif;font-size:13px;
  padding:13px 10px;cursor:pointer;transition:.25s;letter-spacing:.04em;
}
.chip:hover{border-color:var(--steel-dim);color:var(--silver)}
.chip.active{
  background:var(--silver-bright);border-color:var(--silver-bright);color:var(--graphite);
  font-weight:500;
}
.form-submit{width:100%;margin-top:8px;border:none;font-size:13px;padding:18px}
.fc-legal{font-size:12px;color:var(--steel-dim);text-align:center;margin-top:16px;line-height:1.5}
.fc-legal a{color:var(--steel);text-decoration:underline}
.fc-legal a:hover{color:var(--silver)}

.form-success{text-align:center;padding:20px 10px}
.ok-mark{
  width:64px;height:64px;border-radius:50%;margin:0 auto 24px;
  background:linear-gradient(180deg,#e8ebec,#b4babd);color:var(--graphite);
  display:flex;align-items:center;justify-content:center;font-size:30px;
  box-shadow:0 10px 30px rgba(200,204,206,.2);
}
.form-success h3{
  font-family:'Cormorant',serif;font-size:30px;font-weight:500;
  color:var(--silver-bright);margin-bottom:14px;
}
.form-success p{color:var(--steel);font-size:15px;line-height:1.7;margin-bottom:28px;max-width:340px;margin-left:auto;margin-right:auto}

/* footer */
footer{border-top:1px solid var(--line);padding:70px 0 50px}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:40px;margin-bottom:56px}
.foot-brand .logo{padding-left:0;margin-bottom:18px;display:block}
.foot-brand p{color:var(--steel-dim);font-size:13px;max-width:280px;line-height:1.7}
.foot-cols{display:flex;gap:80px}
.foot-col h5{
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--steel-dim);margin-bottom:22px;font-weight:500;
}
.foot-col a{
  display:block;color:var(--steel);text-decoration:none;font-size:14px;
  margin-bottom:12px;transition:.3s;
}
.foot-col a:hover{color:var(--silver-bright)}
.foot-bot{
  display:flex;justify-content:space-between;padding-top:34px;
  border-top:1px solid var(--line);color:var(--steel-dim);font-size:12px;
  letter-spacing:.06em;flex-wrap:wrap;gap:12px;
}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:.9s cubic-bezier(.16,1,.3,1)}
.rv.in{opacity:1;transform:none}

/* mobile menu + hamburger (hidden on desktop) */
.menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:60}
.menu-btn span{display:block;width:24px;height:1.5px;background:var(--silver-bright);transition:.3s}
.menu-btn.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mobile-menu{
  position:fixed;top:82px;left:0;right:0;z-index:45;
  background:rgba(26,28,30,.97);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  padding:12px 24px 24px;flex-direction:column;
  animation:mmIn .3s ease;
}
.mobile-menu[hidden]{display:none}
.mobile-menu:not([hidden]){display:flex}
@keyframes mmIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.mobile-menu a{
  color:var(--silver);text-decoration:none;font-size:15px;letter-spacing:.1em;
  text-transform:uppercase;padding:16px 0;border-bottom:1px solid var(--line);
}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu .mm-cta{
  margin-top:14px;text-align:center;background:linear-gradient(180deg,#e8ebec,#b4babd);
  color:var(--graphite);font-weight:500;padding:16px;border-bottom:none;
}

/* sticky mobile bar (hidden on desktop) */
.mobile-bar{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:55;
  align-items:center;gap:14px;padding:12px 18px;
  background:rgba(26,28,30,.94);backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  transform:translateY(120%);transition:transform .4s cubic-bezier(.16,1,.3,1);
}
.mobile-bar.show{transform:translateY(0)}
.mb-price{display:flex;flex-direction:column;gap:2px;flex-shrink:0}
.mb-label{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-dim)}
.mb-val{font-family:'Cormorant',serif;font-size:20px;color:var(--silver-bright);font-weight:500}
.mb-cta{
  flex:1;text-align:center;text-decoration:none;
  background:linear-gradient(180deg,#e8ebec,#b4babd);color:var(--graphite);
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:500;
  padding:15px 12px;
}

@media(max-width:1040px){
  .hero-inner{grid-template-columns:1fr 380px;gap:40px}
  .disc{width:340px;height:340px}
  .disc::after{font-size:80px}
  .acq-grid{gap:50px}
}
@media(max-width:920px){
  .grid,.steps,.trust-grid,.acq-grid{grid-template-columns:1fr}
  .trust-grid{gap:0}
  .acq-grid{gap:40px}
  .nav-links{display:none}
  .menu-btn{display:flex}
  .mobile-bar{display:flex}
  .wrap{padding:0 24px}
  section{padding:76px 0}
  .sec-head{margin-bottom:44px}

  /* hero: keep the signature disc, stack above copy */
  .hero{min-height:auto;padding-top:110px}
  .hero-inner{grid-template-columns:1fr;gap:0;padding-bottom:150px;text-align:center}
  .hero-copy{max-width:none;order:2}
  .hero-visual{order:1;margin-bottom:36px}
  .hero-visual{display:flex}
  .disc{width:200px;height:200px}
  .disc::after{font-size:52px}
  .eyebrow{justify-content:center}
  .eyebrow::before{display:none}
  .hero h1{font-size:clamp(40px,10vw,60px)}
  .hero p{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .hero-actions .btn{flex:1;text-align:center;min-width:0}

  /* ticker: horizontal scroll strip, compact */
  .ticker-row{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .ticker-row::-webkit-scrollbar{display:none}
  .ticker-item{flex:0 0 44%;padding:16px 22px;border-bottom:none}
  .ticker-val{font-size:22px}

  /* trust as clean stacked rows */
  .trust-item{padding:28px 0;border-bottom:1px solid var(--line)}
  .trust-item:last-child{border-bottom:none}
  .trust-item .n{font-size:46px}

  .steps{gap:40px}

  /* acquire copy centered above form */
  .acq-copy{text-align:center}
  .acq-lead{margin-left:auto;margin-right:auto}
  .acq-points{max-width:400px;margin-left:auto;margin-right:auto}
  .acq-points li{text-align:left}
  .acq-assure{max-width:400px;margin:0 auto;text-align:left}
  .form-card{padding:30px 22px}

  .foot-top{flex-direction:column;gap:34px}
  .foot-cols{gap:44px;flex-wrap:wrap}
  .foot-bot{flex-direction:column;text-align:center}

  footer{padding-bottom:110px} /* room for sticky bar */
}
@media(max-width:480px){
  .wrap{padding:0 18px}
  .logo{font-size:22px;letter-spacing:.32em}
  .hero h1{font-size:clamp(34px,9vw,46px)}
  .hero p{font-size:16px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .ticker-item{flex:0 0 58%;padding:14px 20px}
  .card{padding:38px 26px}
  .chips{gap:8px}
  .chip{min-width:0;padding:12px 4px;font-size:12px}
  .fc-head h3{font-size:26px}
  .mb-cta{padding:14px 10px;font-size:11px}
}