/* ============ DESIGN SYSTEM & TOKENS ============ */
:root{
  --bg-page: #FFFFFF;
  --bg-box: #F5F6F8;
  --bg-box-hover: #ECEEF2;
  --bg-card: #F5F6F8;
  --bg-input: #FFFFFF;
  --ink: #16181B;
  --ink-soft: #6B7280;
  --ink-faint: #9CA3AF;
  --line: #E5E7EB;
  --line-strong: #D1D5DB;
  --btn-black: #16181B;
  --btn-black-hover: #26292E;
  --btn-black-active: #000000;
  --shadow-xs: 0 1px 3px rgba(0,0,0,.04);
  --shadow-sm: 0 4px 14px rgba(0,0,0,.05);
  --shadow-md: 0 10px 28px rgba(0,0,0,.07);
  --shadow-lg: 0 20px 48px rgba(0,0,0,.10);
  --ff-display: 'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
  --ff-body: 'Inter', system-ui, -apple-system, sans-serif;
  --ff-mono: 'JetBrains Mono', ui-monospace, monospace;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

*{box-sizing:border-box; margin:0; padding:0; -webkit-tap-highlight-color: transparent;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--ff-body);
  background:var(--bg-page);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  padding-top: 48px; /* demo bar offset */
  padding-bottom: 70px; /* space for mobile sticky bar */
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
button{font-family:inherit; cursor:pointer; border:none; background:none;}
.wrap{max-width:1200px; margin:0 auto; padding:0 24px;}
@media(max-width:480px){ .wrap{padding:0 16px;} }

.eyebrow{
  font-family:var(--ff-mono); font-size:12px; letter-spacing:.10em; text-transform:uppercase;
  color:var(--ink); font-weight:700; display:inline-flex; align-items:center; gap:8px;
}
.eyebrow::before{content:''; width:7px; height:7px; border-radius:50%; background:var(--ink);
  box-shadow:0 0 0 4px rgba(22,24,27,.12); animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{transform:scale(1);} 50%{transform:scale(1.25);}}
h1,h2,h3,h4{font-family:var(--ff-display); line-height:1.06; letter-spacing:-.02em; font-weight:700; color:var(--ink);}
p{color:var(--ink-soft); line-height:1.6;}
.visually-hidden{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0);}

/* ============ CLIENT DEMO CONTROLLER TOOLBAR ============ */
.demo-toolbar{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  background:var(--ink); color:#fff; padding:8px 12px;
  display:flex; align-items:center; justify-content:space-between;
  font-size:11.5px; font-family:var(--ff-mono); border-bottom:1px solid rgba(255,255,255,.15);
  box-shadow:0 2px 10px rgba(0,0,0,.25);
  overflow-x:auto; -webkit-overflow-scrolling:touch;
}
.demo-toolbar-left{display:flex; align-items:center; gap:8px; flex-shrink:0;}
.demo-pill{background:rgba(255,255,255,.2); color:#fff; padding:2px 7px; border-radius:100px; font-weight:700; font-size:9.5px; letter-spacing:.05em;}
.demo-btn-group{display:flex; align-items:center; gap:6px; flex-shrink:0;}
.demo-btn{
  background:rgba(255,255,255,.14); color:#fff; padding:4px 9px; border-radius:6px; font-size:11px;
  transition:all .2s; cursor:pointer; display:inline-flex; align-items:center; gap:4px; white-space:nowrap;
}
.demo-btn:hover, .demo-btn.active{background:#fff; color:var(--ink); font-weight:700;}
.demo-close{background:transparent; color:#aaa; font-size:14px; padding:2px 6px; flex-shrink:0;}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 24px; border-radius:100px; font-weight:700; font-size:15px;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap; cursor:pointer;
}
.btn:active{transform:scale(0.97);}
.btn-primary{background:var(--btn-black); color:#fff; box-shadow:0 4px 14px rgba(22,24,27,.24);}
.btn-primary:hover{background:var(--btn-black-hover); box-shadow:0 6px 18px rgba(22,24,27,.32);}
.btn-secondary{background:var(--bg-box); color:var(--ink); border:1.5px solid var(--line);}
.btn-secondary:hover{background:var(--bg-box-hover); border-color:var(--line-strong);}
.btn-ghost{background:transparent; color:var(--ink); border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink); background:var(--bg-box);}
.btn-sm{padding:8px 16px; font-size:13px; border-radius:100px;}
.btn-block{width:100%;}

/* ============ NAVIGATION ============ */
.nav{
  position:sticky; top:48px; z-index:100; padding:16px 0;
  background:rgba(255,255,255,.92); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line); transition:border-color .3s ease, box-shadow .3s ease;
}
.nav.scrolled{box-shadow:0 2px 14px rgba(0,0,0,.04);}
.nav .wrap{display:flex; align-items:center; justify-content:space-between;}
.nav-links{display:flex; align-items:center; gap:26px;}
.nav-links a{font-size:14px; font-weight:500; color:var(--ink-soft); transition:color .2s;}
.nav-links a:hover{color:var(--ink);}
.nav-cta{display:flex; align-items:center; gap:10px;}

@media(max-width:860px){
  .nav-links{display:none;}
  .nav-cta .btn-ghost{display:none;}
}

/* ============ HERO SECTION ============ */
.hero{position:relative; padding:56px 0 40px; background:var(--bg-page);}
.hero-grid{
  display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center; position:relative; z-index:2;
}
.hero-left h1{
  font-size:clamp(36px,5vw,64px); margin-bottom:18px; letter-spacing:-0.03em; font-weight:800; line-height:1.05; color:var(--ink);
}
.hero-left h1 .line1, .hero-left h1 .line2{display:block;}
.hero-subhead{
  font-size:clamp(20px,2.6vw,28px); color:var(--ink-soft); font-weight:600; font-family:var(--ff-display); letter-spacing:-0.02em; margin-bottom:18px; line-height:1.2;
}
.hero-tagline{
  font-family:var(--ff-mono); font-size:12.5px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:34px;
}

/* Referred banner */
.referred-banner{
  display:none; align-items:center; gap:8px; background:var(--bg-box); color:var(--ink);
  border:1px solid var(--line-strong); border-radius:100px; padding:8px 16px; font-size:13px; font-weight:700; margin-bottom:18px;
  animation:slideDown .3s ease-out;
}
.referred-banner.active{display:inline-flex;}
@keyframes slideDown{from{opacity:0; transform:translateY(-6px);} to{opacity:1; transform:translateY(0);}}

/* Trust Proof Row */
.trust-row{display:flex; align-items:center; gap:14px; margin-top:8px;}
.avatar-stack{display:flex;}
.avatar-stack span{
  width:34px; height:34px; border-radius:50%; border:2px solid #fff;
  background:var(--bg-box); color:var(--ink); font-family:var(--ff-mono); font-weight:700; font-size:11px;
  display:flex; align-items:center; justify-content:center; margin-left:-8px; box-shadow:var(--shadow-xs);
}
.avatar-stack span:first-child{margin-left:0;}
.trust-row .count{font-size:14px; color:var(--ink-soft);}
.trust-row .count b{font-family:var(--ff-mono); color:var(--ink); font-variant-numeric:tabular-nums; font-weight:700;}

/* ============ INTERACTIVE WAITLIST APP STAGE ============ */
.app-card-container{
  position:relative; width:100%; max-width:480px; margin:0 auto;
}
.app-card{
  background:var(--bg-box); border-radius:var(--radius-xl); border:1.5px solid var(--line);
  box-shadow:var(--shadow-sm); padding:32px 28px; position:relative; overflow:hidden;
  transition:all .35s cubic-bezier(.2,.8,.2,1);
}
@media(max-width:480px){
  .app-card{padding:24px 20px; border-radius:var(--radius-lg);}
}
.app-card-header{margin-bottom:22px;}
.app-card-header h3{font-size:22px; margin-bottom:6px; display:flex; align-items:center; justify-content:space-between; font-weight:700;}
.app-card-header p{font-size:13.5px; color:var(--ink-soft);}

/* Inputs - Clean without icons */
.form-group{margin-bottom:16px;}
.form-label{display:block; font-size:12.5px; font-weight:600; color:var(--ink); margin-bottom:6px; font-family:var(--ff-body);}
.input-wrap{
  display:flex; align-items:center; background:#FFFFFF; border:1.5px solid var(--line);
  border-radius:12px; padding:0 14px; transition:border-color .2s, box-shadow .2s;
}
.input-wrap:focus-within{border-color:var(--ink); box-shadow:0 0 0 3px rgba(22,24,27,.08);}
.input-wrap input{
  width:100%; padding:13px 0; border:none; background:transparent; font-family:var(--ff-body);
  font-size:15.5px; color:var(--ink); outline:none;
}
.input-wrap input::placeholder{color:var(--ink-faint); font-size:14.5px;}
.form-security-note{
  display:flex; align-items:center; gap:6px; font-size:11.5px; color:var(--ink-soft);
  font-family:var(--ff-mono); margin-top:14px; justify-content:center;
}

/* Screen state transitions */
.screen-state{display:none;}
.screen-state.active{display:block; animation:fadeIn .3s ease-out;}
@keyframes fadeIn{from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);}}

/* Screen 2: Verification Pending */
.verify-box{text-align:center; padding:6px 0;}
.verify-icon{
  width:60px; height:60px; border-radius:50%; background:#FFFFFF; color:var(--ink);
  font-size:28px; display:flex; align-items:center; justify-content:center; margin:0 auto 14px;
  border:1px solid var(--line); box-shadow:var(--shadow-xs);
}
.verify-box h3{font-size:22px; margin-bottom:6px;}
.verify-box p.desc{font-size:13.5px; margin-bottom:16px; color:var(--ink-soft);}
.verify-box .email-badge{
  display:inline-block; background:#FFFFFF; border:1px solid var(--line); padding:6px 14px; border-radius:100px;
  font-family:var(--ff-mono); font-weight:600; font-size:12.5px; color:var(--ink); margin-bottom:18px;
  max-width:100%; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.verify-actions{display:flex; flex-direction:column; gap:8px;}
.verify-demo-trigger{
  background:#FFFFFF; color:var(--ink); padding:10px 14px; border-radius:10px;
  font-size:12.5px; font-weight:700; font-family:var(--ff-mono); border:1.5px dashed var(--ink);
  margin-top:12px; cursor:pointer; transition:transform .15s;
}
.verify-demo-trigger:active{transform:scale(0.98);}

/* Screen 3: User Waitlist Dashboard */
.dash-header{display:flex; align-items:center; justify-content:space-between; margin-bottom:14px;}
.dash-user-greet{display:flex; align-items:center; gap:8px;}
.dash-avatar{
  width:36px; height:36px; border-radius:50%; background:var(--ink); color:#fff;
  font-family:var(--ff-mono); font-weight:700; font-size:13px; display:flex; align-items:center; justify-content:center;
}
.dash-user-greet h4{font-size:16px;}
.dash-user-greet span{font-size:11px; color:var(--ink-soft); font-family:var(--ff-mono);}

/* Big Rank Position Card (Solid Black) */
.rank-card{
  background:var(--ink); color:#fff; border-radius:var(--radius-md); padding:18px 20px; margin-bottom:16px;
  position:relative; overflow:hidden; box-shadow:var(--shadow-md);
}
.rank-top{display:flex; justify-content:space-between; align-items:center; margin-bottom:6px;}
.rank-label{font-family:var(--ff-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.75);}
.rank-boost-tag{
  background:rgba(255,255,255,.16); color:#fff; border:1px solid rgba(255,255,255,.25);
  padding:2px 8px; border-radius:100px; font-size:11px; font-family:var(--ff-mono); font-weight:700;
  display:inline-flex; align-items:center; gap:3px;
}
.rank-num{font-family:var(--ff-mono); font-size:36px; font-weight:800; letter-spacing:-.03em; line-height:1; margin-bottom:4px; color:#fff;}
.rank-sub{font-size:12px; color:rgba(255,255,255,.8); line-height:1.35;}

/* Referral stats row */
.ref-stats-row{display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:16px;}
.ref-stat-box{
  background:#FFFFFF; border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:12px 14px; text-align:center;
}
.ref-stat-val{font-family:var(--ff-mono); font-size:20px; font-weight:700; color:var(--ink);}
.ref-stat-lbl{font-size:11px; color:var(--ink-soft); font-family:var(--ff-mono); margin-top:2px;}

/* Unique Link Box */
.ref-link-card{
  background:#FFFFFF; border:1.5px dashed var(--line-strong); border-radius:var(--radius-sm);
  padding:14px; margin-bottom:16px;
}
.ref-link-head{display:flex; justify-content:space-between; font-size:11px; font-weight:700; margin-bottom:6px; font-family:var(--ff-mono); color:var(--ink);}
.ref-link-input-row{display:flex; gap:6px;}
.ref-link-val{
  flex:1; background:var(--bg-box); border:1px solid var(--line); border-radius:8px;
  padding:8px 10px; font-family:var(--ff-mono); font-size:11.5px; color:var(--ink);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; min-width:0;
}
.btn-copy{
  background:var(--btn-black); color:#fff; padding:0 14px; border-radius:8px; font-weight:700;
  font-size:12px; display:inline-flex; align-items:center; gap:4px; flex-shrink:0;
}

/* Social Share Grid */
.share-section-title{font-size:11.5px; font-weight:700; font-family:var(--ff-mono); color:var(--ink-soft); margin-bottom:8px;}
.share-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:6px; margin-bottom:16px;}
@media(max-width:400px){
  .share-grid{grid-template-columns:repeat(2,1fr);}
}
.share-btn{
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:4px;
  background:#FFFFFF; border:1px solid var(--line); border-radius:10px; padding:8px 2px;
  font-size:11px; font-weight:600; color:var(--ink); transition:all .15s; text-decoration:none;
}
.share-btn:active{transform:scale(0.96); background:var(--bg-box);}
.share-btn .s-ic{font-size:16px;}

/* Simulated Friend Join Action */
.sim-referral-box{
  background:#FFFFFF; border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:12px; text-align:center;
}
.sim-referral-btn{
  background:var(--btn-black); color:#fff; padding:8px 14px; border-radius:100px;
  font-size:12.5px; font-weight:700; display:inline-flex; align-items:center; gap:6px;
  box-shadow:0 3px 10px rgba(22,24,27,.20); width:100%; justify-content:center;
}
.sim-referral-btn:active{transform:scale(0.98);}

/* ============ HOW IT WORKS / 8-STEP STORY ============ */
.section{padding:80px 0; background:var(--bg-page); scroll-margin-top:60px;}
@media(max-width:768px){ .section{padding:50px 0;} }
.section-head{max-width:680px; margin-bottom:44px;}
@media(max-width:768px){ .section-head{margin-bottom:32px;} }
.section-head .eyebrow{margin-bottom:12px;}
.section-head h2{font-size:clamp(28px,3.8vw,44px); margin-bottom:12px;}
.section-head p{font-size:15px; max-width:540px;}

/* Desktop Story Grid */
.story-grid{display:grid; grid-template-columns:28px 1fr 320px; gap:36px; position:relative;}
.story-path{position:relative;}
.story-path svg{position:sticky; top:120px; width:28px; height:calc(100vh - 200px); display:block;}
#routePath{fill:none; stroke:var(--line); stroke-width:2;}
#routeProgress{fill:none; stroke:var(--ink); stroke-width:2.5; stroke-linecap:round;}
.route-pin{
  position:absolute; left:50%; width:20px; height:20px; margin-left:-10px; top:0;
  background:var(--ink); border-radius:50% 50% 50% 0; transform:translateY(-50%) rotate(45deg);
  box-shadow:0 3px 10px rgba(0,0,0,.25); transition:top .1s linear; z-index:3;
}
.route-pin::after{content:''; position:absolute; inset:5px; background:#fff; border-radius:50%;}

.story-steps{display:flex; flex-direction:column; gap:14vh; padding:4vh 0;}
.step{max-width:480px; opacity:.35; transform:translateY(16px); transition:opacity .4s ease, transform .4s cubic-bezier(.2,.8,.2,1);}
.step.is-active{opacity:1; transform:translateY(0);}
.step-num{font-family:var(--ff-mono); font-size:12px; color:var(--ink); font-weight:700; letter-spacing:.06em; display:block; margin-bottom:10px;}
.step h3{font-size:24px; margin-bottom:10px;}
.step p{font-size:14.5px;}
.step .tag{
  display:inline-block; margin-top:12px; font-family:var(--ff-mono); font-size:11px; letter-spacing:.04em;
  background:var(--bg-box); color:var(--ink); padding:4px 10px; border-radius:100px; font-weight:700; border:1px solid var(--line);
}

/* Phone Mockup Stage */
.story-phone-wrap{position:relative;}
.story-phone-wrap .sticky-inner{position:sticky; top:110px;}
.story-phone-stage{
  width:280px; height:540px; background:var(--ink); border-radius:40px;
  padding:10px; box-shadow:var(--shadow-lg), 0 2px 0 rgba(255,255,255,.2) inset; margin:0 auto;
  position:relative;
}
.story-phone-stage::before{
  content:''; position:absolute; top:10px; left:50%; transform:translateX(-50%); width:90px; height:20px;
  background:var(--ink); border-radius:0 0 14px 14px; z-index:5;
}
.story-phone-screen{
  position:relative; width:100%; height:100%; background:var(--bg-box); border-radius:30px; overflow:hidden;
}
.hscreen{
  position:absolute; inset:0; padding:28px 18px 20px; display:flex; flex-direction:column;
  opacity:0; transform:translateY(12px) scale(.98); transition:opacity .4s ease, transform .4s cubic-bezier(.2,.8,.2,1);
  pointer-events:none;
}
.hscreen.active{opacity:1; transform:translateY(0) scale(1); pointer-events:auto;}
.mini-logo{font-family:var(--ff-display); font-weight:800; font-size:15px; display:flex; align-items:center; gap:6px; margin-bottom:16px; color:var(--ink);}
.mini-logo .d{width:6px; height:6px; border-radius:50%; background:var(--ink);}
.hscreen.dark{background:var(--ink); color:#fff;}
.hscreen.dark .mini-logo{color:#fff;}
.hscreen.dark .mini-logo .d{background:#fff;}
.hscreen h4{font-family:var(--ff-display); font-size:19px; line-height:1.15; margin-bottom:8px; color:inherit;}
.hscreen p{font-size:12px; color:var(--ink-soft); margin-bottom:14px;}
.hscreen.dark p{color:#9CA3AF;}
.mini-input{background:#FFFFFF; border:1px solid var(--line); border-radius:100px; padding:8px 12px; font-size:11.5px; color:var(--ink); margin-bottom:6px;}
.hscreen.dark .mini-input{background:rgba(255,255,255,.1); border-color:rgba(255,255,255,.2); color:#FFFFFF;}
.mini-btn{background:var(--btn-black); color:#fff; font-weight:700; font-size:12px; text-align:center; padding:10px; border-radius:100px; margin-top:auto;}
.hscreen.dark .mini-btn{background:#FFFFFF; color:var(--ink);}
.mini-badge{background:#FFFFFF; border:1px solid var(--line); border-radius:14px; padding:14px; text-align:center; margin-top:auto;}
.mini-badge .num{font-family:var(--ff-mono); font-size:24px; font-weight:700; color:var(--ink);}
.mini-badge .up{color:var(--ink-soft); font-size:11px; font-family:var(--ff-mono); font-weight:600;}
.mini-link{display:flex; align-items:center; justify-content:space-between; background:#FFFFFF; border:1px solid var(--line); border-radius:100px; padding:8px 12px; font-family:var(--ff-mono); font-size:10px; color:var(--ink); margin-bottom:12px;}
.mini-checklist{display:flex; flex-direction:column; gap:8px; margin-top:auto;}
.mini-checklist div{display:flex; align-items:center; gap:7px; font-size:11.5px; color:var(--ink-soft);}
.mini-checklist div::before{content:'✓'; width:15px; height:15px; border-radius:50%; background:var(--ink); color:#fff; font-size:9px; display:flex; align-items:center; justify-content:center; flex-shrink:0; font-weight:700;}

/* Mobile Story Navigator */
.mobile-story-controls{display:none;}
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr; gap:32px;}
  .story-grid{grid-template-columns:1fr; gap:0;}
  .story-path{display:none;}
  
  .mobile-story-controls{
    display:flex; flex-direction:column; gap:16px; margin-bottom:24px;
  }
  .mobile-step-pills{
    display:flex; gap:6px; overflow-x:auto; padding-bottom:6px; -webkit-overflow-scrolling:touch;
  }
  .m-pill{
    padding:6px 12px; border-radius:100px; background:var(--bg-box); border:1px solid var(--line);
    font-family:var(--ff-mono); font-size:11px; font-weight:700; white-space:nowrap; color:var(--ink-soft);
    cursor:pointer; transition:all .2s;
  }
  .m-pill.active{background:var(--btn-black); color:#fff; border-color:var(--btn-black);}

  .story-phone-wrap{order:1; margin-top:20px; margin-bottom:24px;}
  .story-phone-wrap .sticky-inner{position:static;}
  .story-phone-stage{width:260px; height:490px;}
  
  .story-steps{display:none;}
  .mobile-active-step-card{
    display:block; background:var(--bg-box); border-radius:var(--radius-md); padding:20px;
    border:1px solid var(--line); box-shadow:var(--shadow-xs); margin-bottom:16px;
  }
  .mobile-active-step-card h3{font-size:20px; margin-bottom:6px;}
  .mobile-active-step-card p{font-size:13.5px;}
  
  .mobile-nav-buttons{
    display:flex; justify-content:space-between; align-items:center; gap:10px; margin-top:14px;
  }
}

/* ============ REWARDS LADDER ============ */
.rewards-track{background:var(--bg-box); border:1px solid var(--line); border-radius:var(--radius-lg); padding:36px 28px; box-shadow:var(--shadow-xs);}
@media(max-width:480px){ .rewards-track{padding:24px 16px; border-radius:var(--radius-md);} }
.progress-shell{height:8px; background:#FFFFFF; border:1px solid var(--line); border-radius:100px; margin-bottom:32px; position:relative; overflow:hidden;}
.progress-fill{position:absolute; inset:0; width:3%; background:var(--btn-black); border-radius:100px; transition:width 1s cubic-bezier(.2,.8,.2,1);}
.tiers{display:grid; grid-template-columns:repeat(5,1fr); gap:12px;}
.tier{text-align:center; position:relative; background:#FFFFFF; border:1px solid var(--line); border-radius:var(--radius-md); padding:16px 10px;}
.tier .badge{
  width:46px; height:46px; border-radius:50%; background:var(--bg-box); color:var(--ink);
  display:flex; align-items:center; justify-content:center; font-size:20px; margin:0 auto 10px;
  border:1px solid var(--line); transition:all .3s ease;
}
.tier.unlocked{border-color:var(--ink); box-shadow:var(--shadow-sm);}
.tier.unlocked .badge{background:var(--btn-black); color:#fff; border-color:var(--btn-black); transform:scale(1.08);}
.tier .n{font-family:var(--ff-mono); font-size:11px; font-weight:700; color:var(--ink-soft); margin-bottom:4px;}
.tier.unlocked .n{color:var(--ink);}
.tier h4{font-size:13.5px; font-weight:700; margin-bottom:4px; letter-spacing:-.01em;}
.tier p{font-size:11.5px; color:var(--ink-soft); line-height:1.35;}

@media(max-width:820px){
  .tiers{grid-template-columns:repeat(2,1fr); gap:12px;}
  .tier:last-child{grid-column: span 2;}
}

/* Benefits Grid */
.benefit-strip{display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:40px;}
.benefit{padding:22px 18px; border-radius:var(--radius-md); background:var(--bg-box); border:1px solid var(--line);
  transition:transform .2s ease, border-color .2s ease;}
.benefit:hover{transform:translateY(-3px); border-color:var(--line-strong);}
.benefit .ic{width:38px; height:38px; border-radius:10px; background:#FFFFFF; color:var(--ink); display:flex; align-items:center; justify-content:center; font-size:18px; margin-bottom:12px; border:1px solid var(--line);}
.benefit h4{font-size:15px; margin-bottom:4px;}
.benefit p{font-size:12.5px;}

@media(max-width:820px){
  .benefit-strip{grid-template-columns:repeat(2,1fr); gap:12px;}
}
@media(max-width:480px){
  .benefit-strip{grid-template-columns:1fr;}
}

/* ============ RETURNING USER MODAL ============ */
.modal-backdrop{
  position:fixed; inset:0; background:rgba(0,0,0,.5); backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px);
  z-index:2000; display:none; align-items:center; justify-content:center; padding:16px;
}
.modal-backdrop.active{display:flex; animation:fadeIn .25s ease-out;}
.modal-card{
  background:#FFFFFF; border-radius:var(--radius-lg); max-width:420px; width:100%;
  padding:28px 24px; position:relative; box-shadow:var(--shadow-lg); border:1px solid var(--line);
}
@media(max-width:480px){
  .modal-backdrop{align-items:flex-end; padding:0;}
  .modal-card{
    border-radius:24px 24px 0 0; padding:24px 20px 36px; max-width:100%;
    animation:slideUp .3s cubic-bezier(.2,.8,.2,1);
  }
  .modal-card::before{
    content:''; position:absolute; top:8px; left:50%; transform:translateX(-50%);
    width:36px; height:4px; border-radius:100px; background:var(--line);
  }
}
@keyframes slideUp{from{transform:translateY(100%);} to{transform:translateY(0);}}
.modal-close{position:absolute; top:14px; right:14px; font-size:20px; color:var(--ink-soft); cursor:pointer; padding:6px;}

/* ============ STICKY MOBILE QUICK-ACTION BAR ============ */
.mobile-sticky-bar{
  display:none; position:fixed; bottom:0; left:0; right:0; z-index:900;
  background:rgba(255,255,255,.95); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line); padding:10px 16px; box-shadow:0 -4px 16px rgba(0,0,0,.06);
  align-items:center; justify-content:space-between; gap:12px;
}
@media(max-width:768px){
  .mobile-sticky-bar{display:flex;}
}
.mobile-sticky-info{display:flex; flex-direction:column;}
.mobile-sticky-title{font-family:var(--ff-display); font-weight:800; font-size:14px; color:var(--ink);}
.mobile-sticky-sub{font-family:var(--ff-mono); font-size:11px; color:var(--ink-soft); font-weight:600;}

/* ============ TOAST NOTIFICATION ============ */
.toast{
  position:fixed; bottom:76px; left:50%; transform:translateX(-50%); z-index:3000;
  background:var(--ink); color:#fff; padding:10px 18px; border-radius:100px; font-size:12.5px;
  font-weight:600; font-family:var(--ff-mono); box-shadow:var(--shadow-lg); display:none;
  align-items:center; gap:6px; border:1px solid rgba(255,255,255,.2); white-space:nowrap; max-width:90vw;
}
.toast.show{display:flex; animation:toastIn .3s ease-out;}
@keyframes toastIn{from{opacity:0; transform:translate(-50%, 15px);} to{opacity:1; transform:translate(-50%, 0);}}

/* ============ FOOTER ============ */
footer{border-top:1px solid var(--line); padding:32px 0 40px; background:var(--bg-page);}
footer .wrap{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px;}
footer .fnote{font-size:12.5px; color:var(--ink-soft);}
footer .flinks{display:flex; gap:18px;}
footer .flinks a{font-size:12.5px; color:var(--ink-soft);}
footer .flinks a:hover{color:var(--ink);}