@font-face{font-family:Bakh;src:url('/assets/fonts/woff2/YekanBakhFaNum-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Bakh;src:url('/assets/fonts/woff2/YekanBakhFaNum-Bold.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:Bakh;src:url('/assets/fonts/woff2/YekanBakhFaNum-ExtraBlack.woff2') format('woff2');font-weight:950;font-display:swap}
:root{--blue:#1e5cff;--gold:#947628;--ink:#191f27;--muted:#626875;--line:#e8e9ed;--soft:#f3f3f6;--accent:var(--blue);--font:Bakh,Arial,sans-serif;--radius:20px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:124px}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.85}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button,a,input,summary{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,p{margin:0}
h1{font-size:40px;font-weight:950;line-height:1.5}
h2{font-size:28px;font-weight:700;line-height:1.6}
h3{font-size:20px;font-weight:700;line-height:1.6}
p{color:var(--muted)}
strong{color:var(--ink);font-weight:700}
:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
[hidden]{display:none!important}
.container{width:min(1270px,calc(100% - 80px));margin-inline:auto}
.section{padding-block:72px}
.section-kicker{font-size:14px;color:var(--accent);margin-bottom:10px;font-weight:700}
.section-heading{margin-bottom:36px}
.section-heading>p:last-child{margin-top:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 24px;border:1px solid transparent;border-radius:999px;font-size:16px;font-weight:700;text-align:center;line-height:1.6;transition:background .18s,color .18s,border-color .18s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#144cd8}
.btn-outline{background:var(--soft);color:var(--accent)}
.btn-outline:hover{background:#e4e9f5}
.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.text-link{display:inline-block;color:var(--accent);font-weight:700;font-size:15px;border:0;background:transparent;padding:0;min-height:44px;line-height:44px}
.text-link:hover{text-decoration:underline}
.skip-link{position:fixed;top:10px;right:10px;z-index:100;background:var(--ink);color:#fff;padding:10px 20px;border-radius:8px;transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}
.site-header{background:#fff;padding-block:28px}
.header-inner{display:flex;align-items:center;gap:34px;justify-content:space-between}
.brands{display:flex;align-items:center;gap:20px;flex-shrink:0;position:relative;top:-3px}
.brands>a{display:flex;align-items:center}
.sibapp-logo{width:120px;height:auto;object-fit:contain}
.brand-divider{width:1px;height:26px;background:var(--line)}
.wallgold-brand{gap:8px;font-size:20px;font-weight:700;white-space:nowrap;position:relative;top:1px}
.wallgold-brand img{width:164px;height:43px;object-fit:contain}
.main-nav{display:flex;gap:26px;font-size:15px}
.main-nav a{white-space:nowrap;color:var(--muted);padding-block:10px}
.main-nav a:hover,.main-nav a[aria-current]{color:var(--accent)}
.header-action{font-size:14px;flex-shrink:0}
.benefits{display:grid;grid-template-columns:repeat(3,1fr);padding-block:32px;border-block:1px solid var(--line);text-align:center}
.benefits>div+div{border-inline-start:1px solid var(--line)}
.benefit-value{font-size:22px;font-weight:700;color:var(--ink)}
.benefits p{margin-top:4px;font-size:14px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.steps li{padding:24px 28px 30px;background:var(--soft);border-radius:var(--radius)}
.step-number{font-size:30px;font-weight:950;color:var(--accent);display:block;margin-bottom:12px}
.steps h3{margin-bottom:12px}
.steps p{font-size:15px}
.calculator-section{background:#f7f8fb}
.calculator-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}
.calculator-copy p:not(.section-kicker){margin-top:14px}
.calculator-copy .text-link{margin-top:18px}
.calculator{padding:30px 36px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.range-label{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;margin-bottom:20px}
.range-label b{font-size:22px;color:var(--accent)}
input[type=range]{width:100%;height:28px;accent-color:var(--accent);cursor:pointer;margin:0;direction:rtl}
.range-marks{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
.calculator-total{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
/* Coin pile: coin.svg images stacked by --i, each with its own small --x/--r jitter */
.coin-pile{--coin-w:52px;--coin-step:6.2px;display:flex;align-items:flex-end;gap:4px;padding-bottom:6px}
.coin-pile>div{position:relative;width:var(--coin-w);height:calc(var(--coin-step) * 9 + var(--coin-w) * .44 + 2px)}
.coin{position:absolute;left:0;bottom:calc(var(--i) * var(--coin-step));width:var(--coin-w);aspect-ratio:100/44;background:url(/referral-landing/assets/coin.svg?v=1) center/contain no-repeat;transform:translateX(var(--x)) rotate(var(--r));filter:drop-shadow(0 1px 1px #5e3d0833)}
.coin::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 35%,#fffbe8e6 50%,transparent 65%) 150% 0/250% 100% no-repeat;-webkit-mask:url(/referral-landing/assets/coin.svg?v=1) center/contain no-repeat;mask:url(/referral-landing/assets/coin.svg?v=1) center/contain no-repeat;opacity:0}
.coin.is-new{animation:coin-drop .5s cubic-bezier(.25,.9,.35,1) both}
.coin.is-new::after{animation:coin-shine .7s .4s ease-out both}
@keyframes coin-drop{0%{transform:translate(var(--x),-46px) rotate(calc(var(--r) - 28deg)) scale(.85);opacity:0}55%{transform:translate(var(--x),2px) rotate(var(--r)) scale(1.04,.86);opacity:1}78%{transform:translate(var(--x),-3px) rotate(var(--r)) scale(.98,1.04)}100%{transform:translateX(var(--x)) rotate(var(--r))}}
@keyframes coin-shine{0%{opacity:1;background-position:150% 0}100%{opacity:1;background-position:-50% 0}}
.calculator-total>span{font-size:14px;color:var(--muted)}
.calculator-total p{color:var(--gold);font-size:18px}
.calculator-total output{font-size:52px;font-weight:950;line-height:1.6}
.fine-print{font-size:12px;color:var(--muted)}
.terms-section{border-top:1px solid var(--line)}
.terms-list{list-style:decimal;padding:0 24px 0 0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:18px 64px;color:var(--muted);font-size:15px}
.terms-list li{padding-inline-start:8px}
.terms-list li::marker{color:var(--accent);font-weight:700}
.faq-section{display:grid;grid-template-columns:1fr 1.5fr;gap:70px;border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:first-child{border-top:1px solid var(--line)}
.faq-list summary{cursor:pointer;padding:20px 0;font-size:16px;font-weight:700;line-height:1.8;min-height:44px}
.faq-list summary::marker{color:var(--accent)}
.faq-list summary span{margin-inline-start:10px}
.faq-list p{font-size:14px;padding:0 0 22px;max-width:65ch}
.final-cta{border-top:1px solid var(--line);text-align:center}
.final-cta-description{margin-top:10px}
.final-cta .actions{margin-top:24px}
/* Collaboration: Wallgold's centered composition, with Sibapp typography and blue UI accents. */
.theme-wallgold{--font:Bakh,Arial,sans-serif;--accent:var(--blue);--soft:#f3f3f6;--radius:24px}
.theme-wallgold h1{font-weight:700}
.theme-wallgold h2{font-size:26px}
.theme-wallgold .section-kicker{color:var(--accent)}
.theme-wallgold .site-header{padding:20px 0;background:transparent;position:sticky;top:0;z-index:50;pointer-events:none}
.theme-wallgold .header-inner{width:min(1120px,calc(100% - 80px));min-height:74px;background:rgba(247,247,248,.94);border:1px solid rgba(232,233,237,.8);box-shadow:0 8px 32px rgba(25,31,39,.06);pointer-events:auto;border-radius:999px;padding:12px 24px;padding-inline-end:16px;gap:28px}
/* Floating glass header: the bar stays on top while scrolling and blurs the page behind it. */
@supports ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.theme-wallgold .header-inner{background:rgba(247,247,248,.72);-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%)}}
.theme-wallgold .main-nav{gap:20px;font-size:13px}
.theme-wallgold .wallgold-brand{font-size:21px}
.theme-wallgold .sibapp-logo{width:120px;height:auto}
.theme-wallgold .brands{gap:16px}
.theme-wallgold .eyebrow{color:var(--accent);background:#edf2ff}
.wallgold-hero{text-align:center;padding:24px 0 64px}
.gold-product{width:440px;height:440px;max-width:100%;object-fit:contain;margin:-36px auto -20px}
.eyebrow{display:inline-block;background:#faf7ef;color:#6b542d;border-radius:999px;padding:7px 18px;font-size:12px;font-weight:700;margin-bottom:16px}
.wallgold-hero h1{font-size:40px;color:var(--accent)}
.wallgold-hero h1 span{color:var(--gold)}
.hero-description{font-size:15px;max-width:760px;margin:14px auto 24px;line-height:2}
.wallgold-hero .actions,.final-cta .actions{justify-content:center;direction:ltr}
.wallgold-hero .actions .btn,.final-cta .actions .btn{direction:rtl}
.wallgold-hero .actions .btn,.final-cta .actions .btn{min-width:190px;font-size:14px}
.campaign-countdown{width:min(336px,100%);margin:28px auto 0;padding:14px 18px 16px;background:#f3f6ff;border:1px solid #e6ecff;border-radius:20px}
.countdown-label{font-size:12px;line-height:1.8;margin-bottom:10px}
.countdown-units{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));direction:ltr}
.countdown-unit{display:flex;flex-direction:column;align-items:center;gap:2px}
.countdown-unit+.countdown-unit{border-inline-start:1px solid #dfe7fb}
.countdown-unit b{font-size:28px;font-weight:700;color:var(--accent);line-height:1.4;font-variant-numeric:tabular-nums}
.countdown-unit span{font-size:12px;color:var(--muted)}
.theme-wallgold .benefits{max-width:1040px}
.theme-wallgold .benefit-value{font-size:20px}
.theme-wallgold .benefits p{font-size:12px}
.theme-wallgold .how-section .section-heading,.theme-wallgold .terms-section .section-heading{text-align:center}
.theme-wallgold .steps{gap:52px}
.theme-wallgold .steps li{background:transparent;text-align:center;border-top:1px solid var(--line);border-radius:0;padding:24px 12px}
.theme-wallgold .step-number{color:var(--accent);font-weight:700}
.theme-wallgold .steps p{font-size:14px}
.theme-wallgold .calculator-section{background:#f7f8fb}
.theme-wallgold .calculator{border-radius:24px}
.theme-wallgold .calculator-total output{font-weight:700}
.theme-wallgold .calculator-total{border-color:var(--line)}
.theme-wallgold .terms-list{max-width:1000px;margin-inline:auto;font-size:14px}
.theme-wallgold .terms-list li::marker{color:var(--accent)}
.theme-wallgold .faq-list summary{font-size:14px}
.theme-wallgold .final-cta{background:#f3f6ff;border-radius:24px;border:0;margin-bottom:64px}
.final-cta .btn-outline{background:#e9eaef}
.final-cta .btn-outline:hover{background:#dfe1e8}
.theme-wallgold .leader-rank{color:var(--accent)}
/* Invitation pages keep the same theme as the landing, with live campaign data. */
.dashboard{padding:36px 0 72px}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start}
.dashboard-main,.dashboard-aside{display:grid;gap:24px;min-width:0}
.panel{padding:30px;border:1px solid var(--line);border-radius:var(--radius);min-width:0}
.panel h2{font-size:22px}
.invite-section{border:0;background:#f3f6ff;padding:36px}
.invite-section>p:not(.section-kicker){font-size:15px;margin-top:10px}
.invite-link-row{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #e0e6f1;border-radius:999px;padding:6px;margin-top:24px}
.invite-link-row code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1;padding:0 12px;text-align:left}
.invite-link-row .btn{flex-shrink:0;font-size:14px}
.invite-link-row .btn.is-copied{background:#14804a;color:#fff}
.stats{display:grid;grid-template-columns:1fr 1fr;margin-top:30px}
.stats>div{display:flex;flex-direction:column}
.stats>div+div{padding-inline-start:28px;border-inline-start:1px solid #dfe4ef}
.stats b{font-size:34px;font-weight:700;color:var(--accent);line-height:1.6}
.stats b.gold-text{color:var(--gold)}
.stats span{font-size:13px;color:var(--muted)}
.panel-title{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}
.empty-state{font-size:14px;background:#fafafa;padding:20px;border-radius:12px}
.table-wrap{overflow:auto}
.reward-table{border-collapse:collapse;width:100%;text-align:right;font-size:14px}
.reward-table th{font-size:12px;font-weight:400;color:var(--muted);padding:12px 8px;white-space:nowrap;border-bottom:1px solid var(--line)}
.reward-table td{padding:16px 8px;border-bottom:1px solid var(--line)}
.reward-table tr:last-child td{border-bottom:0}
.reward-table code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;font-size:14px;font-weight:500;color:var(--ink);overflow-wrap:anywhere}
.code-cell{display:inline-flex;align-items:center;gap:8px;max-width:100%}
.copy-code svg{width:14px;height:14px}
.code-cell code{min-width:0}
.copy-code{display:inline-grid;place-items:center;flex-shrink:0;width:28px;height:28px;padding:0;border:0;color:var(--accent);background:var(--soft);border-radius:999px;transition:background .2s,color .2s}
.copy-code:hover{background:#e4e9f5}
.copy-code .icon-check,.copy-code.is-copied .icon-copy{display:none}
.copy-code.is-copied .icon-check{display:block}
.copy-code.is-copied{background:#e3f6ea;color:#14804a}
.earn-purchase{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;padding-top:24px;border-top:1px solid #dfe4ef}
.earn-purchase p{font-size:14px}
.earn-purchase .btn{flex-shrink:0;font-size:14px}
.stats-3{grid-template-columns:repeat(3,1fr)}
.redeem-panel{text-align:center;background:#faf9f6;border:0}
.redeem-product{width:190px;height:180px;object-fit:contain;margin:-10px auto 12px}
.redeem-panel p:not(.section-kicker){font-size:14px;margin:12px 0 22px}
.redeem-panel .btn{width:100%;font-size:14px}
.kind-tag{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--soft);color:var(--accent);font-size:12px;font-weight:700;white-space:nowrap}
.kind-tag.kind-purchase{background:#f6efdc;color:var(--gold)}
.leaderboard h2{font-size:18px;margin-bottom:14px}
.leaderboard ol{padding:0;margin:0;list-style:none}
.leaderboard li{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:13px;font-variant-numeric:tabular-nums}
.leaderboard li:last-child{border:0}
.leader-rank{color:var(--gold);font-weight:700;min-width:28px;text-align:center}
.leader-count{margin-inline-start:auto;color:var(--muted);white-space:nowrap;font-size:12px}
/* Top three get medal badges */
.leaderboard li:nth-child(-n+3){padding-block:12px;font-weight:700}
.leaderboard li:nth-child(-n+3) .leader-rank{display:grid;place-items:center;width:28px;min-width:28px;height:28px;border-radius:50%;background:var(--medal);color:var(--medal-ink);font-size:13px;box-shadow:inset 0 -2px 0 #0000001f,0 2px 6px #0000001a}
.leaderboard li:nth-child(-n+3) .leader-count{color:var(--ink);font-size:13px}
.leaderboard li:nth-child(1){--medal:linear-gradient(145deg,#ffe58f,#d6a52c);--medal-ink:#5a4108}
.leaderboard li:nth-child(2){--medal:linear-gradient(145deg,#f4f6f9,#aeb5c1);--medal-ink:#353b46}
.leaderboard li:nth-child(3){--medal:linear-gradient(145deg,#f6cfa8,#bf7a45);--medal-ink:#4e2a10}
.theme-wallgold .dashboard{max-width:1120px;padding-top:48px}
.theme-wallgold .invite-section{background:#f3f6ff}
.theme-wallgold .invite-link-row{border-color:var(--line)}
.theme-wallgold .stats>div+div{border-color:var(--line)}
.theme-wallgold .panel h2{font-size:19px}
@media(min-width:1550px){.container{width:1300px}}
@media(max-width:1150px){
  .header-inner{gap:20px}.main-nav{gap:16px;font-size:13px}.brands{gap:12px}.wallgold-brand{font-size:17px}.sibapp-logo{width:95px}
  .calculator-grid{gap:48px}.steps{gap:24px}.theme-wallgold .steps{gap:24px}
  .theme-wallgold .main-nav{gap:14px}.theme-wallgold .header-inner{gap:16px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 300px;gap:20px}.panel{padding:24px}
}
@media(max-width:950px){
  .main-nav{display:none}.container{width:calc(100% - 48px)}.theme-wallgold .header-inner{width:calc(100% - 48px)}
  .faq-section{gap:36px;grid-template-columns:1fr 1.5fr}
  .dashboard-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  html{scroll-padding-top:96px}.container{width:calc(100% - 32px)}.section{padding-block:48px}h1{font-size:30px}h2{font-size:25px}h3{font-size:19px}
  .site-header{padding:16px 0}.header-inner{gap:12px}.brands{gap:10px}.sibapp-logo{width:96px;height:auto}.wallgold-brand{gap:5px;font-size:14px}.wallgold-brand img{width:122px;height:33px}.brand-divider{height:22px}
  .header-action{padding:8px 14px;min-height:42px;font-size:12px}
  .actions{width:100%;gap:10px}.actions .btn{width:100%;font-size:14px}
  .benefits{gap:20px;padding-block:24px;grid-template-columns:1fr;text-align:right}.benefits>div{display:flex;justify-content:space-between;align-items:center;gap:16px}.benefits>div+div{border:0}.benefit-value{font-size:18px;white-space:nowrap}.benefits p{font-size:12px;margin:0}
  .steps{grid-template-columns:1fr;gap:16px}.steps li{padding:22px 24px}.step-number{font-size:24px;margin-bottom:8px}.steps h3{margin-bottom:8px}.section-heading{margin-bottom:24px}
  .calculator-grid{grid-template-columns:1fr;gap:24px}.calculator{padding:24px}.calculator-copy h2{font-size:25px}.calculator-copy p:not(.section-kicker){font-size:14px}.calculator-copy .text-link{margin:8px 0 0}.calculator-total output{font-size:42px}.coin-pile{--coin-w:38px;--coin-step:4.6px;gap:3px}
  .terms-list{grid-template-columns:1fr;gap:16px;font-size:14px}.faq-section{display:block}.faq-list summary{font-size:14px}.final-cta h2{font-size:25px}
  .theme-wallgold .site-header{padding:12px 0}.theme-wallgold .header-inner{width:calc(100% - 32px);min-height:64px;padding:10px 14px;padding-inline-end:12px;gap:10px}.theme-wallgold .brands{gap:10px}.theme-wallgold .sibapp-logo{width:88px;height:auto}.theme-wallgold .wallgold-brand{font-size:15px}
  .wallgold-hero{padding:14px 0 36px}.gold-product{width:340px;height:340px;margin:-28px auto -12px}.eyebrow{font-size:11px;margin-bottom:14px}
  .wallgold-hero h1{font-size:28px}.wallgold-hero h1 span{display:block}.hero-description{font-size:13px;margin:12px auto 22px;max-width:100%}.wallgold-hero .actions,.final-cta .actions{max-width:340px;margin-inline:auto}.wallgold-hero .actions .btn,.final-cta .actions .btn{min-width:0;font-size:13px}
  .theme-wallgold h2{font-size:24px}.theme-wallgold .steps{gap:12px}.theme-wallgold .steps li{text-align:right;position:relative;padding:20px 0 20px 0}.theme-wallgold .final-cta{margin-bottom:40px}
  .dashboard,.theme-wallgold .dashboard{padding-top:24px;padding-bottom:48px}
  .dashboard-main,.dashboard-aside{gap:18px}.dashboard-grid{gap:18px}.dashboard-aside{grid-template-columns:1fr}.panel{padding:22px 20px;border-radius:18px}.panel h2,.theme-wallgold .panel h2{font-size:19px}.invite-section>p:not(.section-kicker){font-size:13px}
  .earn-purchase{flex-direction:column;align-items:stretch;gap:14px}.stats-3>div+div{padding-inline-start:14px}.invite-link-row{gap:6px}.invite-link-row code{padding:0 8px;font-size:12px}.invite-link-row .btn{padding-inline:16px}.stats{margin-top:22px}.stats b{font-size:30px}.stats span{font-size:12px}.stats>div+div{padding-inline-start:16px}.panel-title{align-items:start;flex-wrap:wrap;gap:4px}
  .reward-table{font-size:12px}.reward-table th{font-size:11px;padding:10px 4px}.reward-table td{padding:12px 4px}.reward-table code{font-size:12px;white-space:nowrap;overflow-wrap:normal}.copy-code{width:26px;height:26px}.copy-code svg{width:13px;height:13px}.empty-state{padding:16px;font-size:13px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.coin.is-new,.coin.is-new::after{animation:none}}