:root{
  --bg:#f6f7fb;
  --bg-grad:radial-gradient(1200px 600px at 80% -10%, #dbe7ff 0%, transparent 60%), radial-gradient(900px 500px at -10% 10%, #fef3c7 0%, transparent 55%), #f6f7fb;
  --surface:#ffffff;
  --surface-soft:#f8fafc;
  --border:rgba(15,23,42,.08);
  --border-strong:rgba(15,23,42,.14);
  --text:#0f172a;
  --text-muted:#475569;
  --text-subtle:#94a3b8;
  --primary:#2563eb;
  --primary-hover:#1d4ed8;
  --primary-fg:#ffffff;
  --accent:#0f172a;
  --gold:#eab308;
  --success:#16a34a;
  --danger:#dc2626;

  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --radius-pill:999px;

  --shadow-sm:0 1px 2px rgba(15,23,42,.04);
  --shadow:0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --shadow-lg:0 1px 2px rgba(15,23,42,.04), 0 24px 60px rgba(15,23,42,.12);
  --ring:0 0 0 4px color-mix(in srgb, var(--primary) 22%, transparent);

  --ease:cubic-bezier(.32,.72,0,1);

  --font-sans:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-display:'Fraunces','Inter',ui-serif,Georgia,serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:16px/1.55 var(--font-sans);
  color:var(--text);
  background:var(--bg-grad);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  letter-spacing:-.005em;
  min-height:100dvh;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.page{max-width:1120px;margin:0 auto;padding:24px 24px 64px;display:flex;flex-direction:column;gap:32px;min-height:100dvh}

/* Top bar */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand-mark{width:32px;height:32px;border-radius:8px;object-fit:contain;background:var(--surface);box-shadow:var(--shadow-sm)}
.brand-name{font-weight:700;font-size:16px;letter-spacing:-.01em}
.trust-row{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase}
.trust-row svg{width:14px;height:14px;color:var(--primary)}
@media (max-width:560px){ .trust-row span{display:none} }

/* Hero layout */
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:32px;align-items:start}
@media (max-width:880px){ .hero{grid-template-columns:1fr;gap:24px} }

/* Main signup card */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:40px;
  box-shadow:var(--shadow-lg);
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;
  background:linear-gradient(90deg, var(--primary), #60a5fa, var(--gold));
}
@media (max-width:560px){ .card{padding:28px 22px} }

/* Invite pill (neutral, no name) */
.invite{margin-bottom:20px}
.invite-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px 7px 11px;
  background:color-mix(in srgb, var(--primary) 10%, white);
  color:var(--primary);
  border:1px solid color-mix(in srgb, var(--primary) 22%, transparent);
  border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;letter-spacing:-.005em;
}
.invite-pill svg{width:14px;height:14px}

/* Eyebrow above headline */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary);
  margin-bottom:14px;
}
.eyebrow-dot{
  display:inline-grid;place-items:center;
  width:18px;height:18px;border-radius:50%;
  background:color-mix(in srgb, var(--primary) 14%, white);
  color:var(--primary);font-size:13px;font-weight:800;letter-spacing:0;
}

/* Display type */
.display{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(34px,5.2vw,52px);
  line-height:1.04;
  letter-spacing:-.025em;
  margin:0 0 14px;
  color:var(--text);
}
.lede{font-size:17px;line-height:1.55;color:var(--text-muted);margin:0 0 28px;max-width:42ch}
.lede strong{color:var(--text);font-weight:600}

/* Form */
.signup{display:flex;flex-direction:column;gap:12px}
.field{
  position:relative;display:flex;align-items:center;
  background:var(--surface-soft);
  border:1.5px solid var(--border-strong);
  border-radius:var(--radius);
  transition:border-color .16s var(--ease), background-color .16s var(--ease), box-shadow .16s var(--ease);
}
.field:focus-within{
  border-color:var(--primary);
  background:var(--surface);
  box-shadow:var(--ring);
}
.field-icon{display:grid;place-items:center;width:48px;height:56px;color:var(--text-subtle);flex-shrink:0}
.field-icon svg{width:20px;height:20px}
.field input{
  flex:1;min-width:0;
  height:56px;
  border:0;background:transparent;outline:0;
  font:500 17px var(--font-sans);
  color:var(--text);
  padding:0 16px 0 0;
  letter-spacing:-.005em;
}
.field input::placeholder{color:var(--text-subtle);font-weight:400}
.field-check{
  display:grid;place-items:center;width:44px;height:56px;color:var(--success);
  opacity:0;transform:scale(.6);transition:all .18s var(--ease);flex-shrink:0;
}
.field-check svg{width:20px;height:20px}
.field.is-valid .field-check{opacity:1;transform:scale(1)}
.field.is-invalid{border-color:var(--danger)}
.field.is-invalid:focus-within{box-shadow:0 0 0 4px color-mix(in srgb, var(--danger) 20%, transparent)}

.btn-primary{
  position:relative;
  height:56px;
  border:0;border-radius:var(--radius);
  background:var(--primary);
  color:var(--primary-fg);
  font:600 16px var(--font-sans);
  letter-spacing:-.005em;
  cursor:pointer;
  box-shadow:0 1px 0 rgba(255,255,255,.2) inset, 0 6px 20px color-mix(in srgb, var(--primary) 35%, transparent);
  transition:background-color .16s var(--ease), transform .12s var(--ease), box-shadow .16s var(--ease);
}
.btn-primary:hover{background:var(--primary-hover)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:focus-visible{outline:0;box-shadow:var(--ring), 0 6px 20px color-mix(in srgb, var(--primary) 35%, transparent)}
.btn-primary[disabled]{opacity:.7;cursor:not-allowed}
.btn-primary.is-loading .btn-label{opacity:0}
.btn-spinner{
  position:absolute;inset:0;margin:auto;width:20px;height:20px;
  border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;
  opacity:0;animation:spin .8s linear infinite;
}
.btn-primary.is-loading .btn-spinner{opacity:1}
@keyframes spin{to{transform:rotate(360deg)}}

.form-foot{font-size:13px;color:var(--text-subtle);margin:4px 2px 0;text-align:center}
.form-error{margin:6px 2px 0;font-size:13px;color:var(--danger);font-weight:500}

/* Prize card (sidebar) */
.prize-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  margin-bottom:24px;
}
.prize-img{position:relative;background:linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);padding:24px;display:grid;place-items:center}
.prize-img img{max-width:80%;max-height:140px;object-fit:contain;display:block;filter:drop-shadow(0 8px 20px rgba(15,23,42,.18))}
.prize-tag{
  position:absolute;top:12px;left:12px;
  font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  background:#0f172a;color:#fff;padding:4px 10px;border-radius:var(--radius-pill);
}
.prize-body{padding:18px 18px 20px;text-align:center}
.prize-amount{
  font-family:var(--font-display);font-weight:700;
  font-size:38px;line-height:1;letter-spacing:-.02em;color:var(--text);
}
.prize-name{font-size:14px;color:var(--text-muted);margin-top:4px;font-weight:500}
.prize-meta{
  margin-top:12px;padding-top:12px;border-top:1px solid var(--border);
  display:flex;justify-content:center;align-items:center;gap:8px;
  font-size:13px;color:var(--text-muted);
}
.prize-meta strong{color:var(--text);font-weight:600}
.prize-meta .dot{color:var(--text-subtle)}

/* Social proof row under benefits */
.social-proof{
  display:flex;align-items:center;gap:12px;
  margin-top:16px;padding:14px 16px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
}
.avatars{display:flex}
.avatars .av{
  width:28px;height:28px;border-radius:50%;
  border:2px solid var(--surface);
  margin-left:-8px;
}
.avatars .av:first-child{margin-left:0}
.avatars .av1{background:linear-gradient(135deg,#2563eb,#60a5fa)}
.avatars .av2{background:linear-gradient(135deg,#16a34a,#86efac)}
.avatars .av3{background:linear-gradient(135deg,#eab308,#fde047)}
.avatars .av4{background:linear-gradient(135deg,#7c3aed,#c4b5fd)}
.social-text{font-size:13.5px;color:var(--text-muted)}
.social-text strong{color:var(--text);font-weight:600}

/* Perks (what you get + giveaway entry) */
.perks{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.perk{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:var(--surface-soft);
}
.perk--giveaway{
  background:linear-gradient(180deg, color-mix(in srgb, var(--primary) 5%, white) 0%, color-mix(in srgb, var(--primary) 10%, white) 100%);
  border-color:color-mix(in srgb, var(--primary) 22%, transparent);
}
.perk-icon{
  width:40px;height:40px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;background:#fff;box-shadow:var(--shadow-sm);
}
.perk-icon svg{width:20px;height:20px}
.perk-icon--guide{color:#b45309}
.perk-icon--giveaway{color:var(--primary)}
.perk-body{min-width:0;flex:1}
.perk-title{
  font-weight:600;font-size:15px;letter-spacing:-.005em;color:var(--text);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.perk-sub{font-size:13.5px;color:var(--text-muted);margin-top:3px;line-height:1.5}
.perk-sub strong{color:var(--text);font-weight:600}

/* Badges */
.badge{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:3px 9px;border-radius:var(--radius-pill);
}
.badge--green{background:#16a34a;color:#fff}
.badge--blue{background:var(--primary);color:#fff}

/* Quote */
.quote{margin:28px 0 0;padding:20px 22px;background:var(--surface-soft);border-radius:var(--radius);position:relative}
.quote-mark{position:absolute;top:14px;left:18px;width:22px;height:22px;color:color-mix(in srgb, var(--primary) 18%, transparent)}
.quote blockquote{
  margin:0 0 8px;padding-left:32px;
  font-family:var(--font-display);font-weight:500;
  font-size:18px;line-height:1.4;letter-spacing:-.01em;
  color:var(--text);
}
.quote figcaption{padding-left:32px;font-size:13px;color:var(--text-muted)}
.quote figcaption strong{color:var(--text);font-weight:600}

/* Benefits column */
.benefits{position:sticky;top:24px}
@media (max-width:880px){ .benefits{position:static} }
.benefits-title{
  font-family:var(--font-display);font-weight:600;
  font-size:22px;letter-spacing:-.015em;
  margin:0 0 16px 4px;
}
.benefit-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.benefit-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow-sm);
  transition:transform .16s var(--ease), box-shadow .16s var(--ease);
}
.benefit-list li:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.benefit-icon{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;
  background:color-mix(in srgb, var(--primary) 10%, white);
  color:var(--primary);
}
.benefit-icon svg{width:18px;height:18px}
.benefit-title{font-weight:600;font-size:15px;letter-spacing:-.005em}
.benefit-sub{font-size:13.5px;color:var(--text-muted);line-height:1.5;margin-top:2px}

/* Success state */
.success{
  max-width:560px;margin:24px auto 0;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:48px 40px;text-align:center;box-shadow:var(--shadow-lg);
  animation:popIn .42s var(--ease) both;
}
@keyframes popIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.check{
  width:64px;height:64px;border-radius:50%;
  background:color-mix(in srgb, var(--success) 14%, white);
  color:var(--success);
  display:grid;place-items:center;margin:0 auto 20px;
  box-shadow:0 0 0 8px color-mix(in srgb, var(--success) 6%, white);
}
.check svg{width:30px;height:30px}
.success h2{font-family:var(--font-display);font-weight:600;font-size:34px;letter-spacing:-.02em;margin:0 0 10px}
.success-lede{font-size:17px;color:var(--text-muted);margin:0 auto 28px;max-width:38ch;line-height:1.55}
.success-lede strong{color:var(--text);font-weight:600}
.success-foot{font-size:13px;color:var(--text-subtle);margin:28px 0 0}

/* Entry confirmation card */
.entry-card{
  margin:8px auto 0;max-width:520px;
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);
  box-shadow:var(--shadow);
  overflow:hidden;
  text-align:left;
}
.entry-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px;
  background:linear-gradient(135deg, color-mix(in srgb, var(--primary) 8%, white) 0%, color-mix(in srgb, var(--primary) 14%, white) 100%);
  border-bottom:1px solid var(--border);
}
.entry-prize{display:flex;align-items:center;gap:12px;min-width:0}
.entry-prize img{width:48px;height:48px;border-radius:10px;object-fit:contain;background:#fff;padding:4px;box-shadow:var(--shadow-sm);flex-shrink:0}
.entry-prize-name{font-weight:600;font-size:15px;letter-spacing:-.005em;color:var(--text)}
.entry-prize-sub{font-size:13px;color:var(--text-muted);margin-top:2px}
.entry-count{
  display:flex;flex-direction:column;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:8px 14px;min-width:64px;flex-shrink:0;
}
.entry-count-num{
  font-family:var(--font-display);font-weight:700;
  font-size:26px;line-height:1;color:var(--primary);letter-spacing:-.02em;
}
.entry-count-label{font-size:10px;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase;margin-top:3px;font-weight:600}

.entry-share{padding:18px}
.share-headline{font-size:14px;color:var(--text-muted);margin-bottom:12px;line-height:1.5}
.share-headline strong{color:var(--text);font-weight:600}
.share-row{display:flex;gap:8px;margin-bottom:12px}
#refUrl{
  flex:1;min-width:0;height:44px;
  border:1.5px solid var(--border-strong);border-radius:var(--radius-sm);
  background:var(--surface-soft);
  padding:0 14px;
  font:500 13px var(--font-sans);color:var(--text);
  outline:0;letter-spacing:-.005em;
}
#refUrl:focus{border-color:var(--primary);background:#fff;box-shadow:var(--ring)}
.btn-copy{
  display:inline-flex;align-items:center;gap:6px;
  height:44px;padding:0 16px;
  border:0;border-radius:var(--radius-sm);
  background:var(--primary);color:#fff;
  font:600 13px var(--font-sans);letter-spacing:-.005em;
  cursor:pointer;
  transition:background-color .16s var(--ease), transform .12s var(--ease);
}
.btn-copy svg{width:15px;height:15px}
.btn-copy:hover{background:var(--primary-hover)}
.btn-copy:active{transform:translateY(1px)}
.btn-copy.is-copied{background:var(--success)}

.share-buttons{display:grid;grid-template-columns:repeat(3, 1fr);gap:8px}
.share-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;border-radius:var(--radius-sm);
  background:var(--surface-soft);
  border:1px solid var(--border-strong);
  color:var(--text);
  font:600 13px var(--font-sans);text-decoration:none;letter-spacing:-.005em;
  transition:background-color .16s var(--ease), border-color .16s var(--ease), transform .12s var(--ease);
}
.share-btn svg{width:15px;height:15px;color:var(--text-muted)}
.share-btn:hover{background:#fff;border-color:var(--primary);color:var(--primary)}
.share-btn:hover svg{color:var(--primary)}
.share-btn:active{transform:translateY(1px)}

/* Footer */
.foot{
  display:flex;justify-content:center;align-items:center;gap:10px;
  font-size:13px;color:var(--text-subtle);margin-top:auto;padding-top:24px;
}
.foot a{color:var(--text-subtle);text-decoration:none}
.foot a:hover{color:var(--text-muted)}
.foot-dot{opacity:.5}

/* Transitions for hide/show */
.hide{display:none !important}