/* StaqOn — Support / Donation page. Standalone, shares the landing design system. */
*{box-sizing:border-box;margin:0;padding:0}
:root{--brand:#4F46E5;--brand-d:#4338CA;--ink:#111827;--g1:#374151;--g2:#6B7280;--g3:#9CA3AF;--line:#E5E7EB}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;line-height:1.55}
.container{max-width:1080px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}

/* nav */
.sup-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.sup-nav .inner{max-width:1080px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}
.sup-logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px}
.sup-logo .mk{width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.sup-nav .links{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--g1)}
.sup-nav .links a.active{color:var(--brand);font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:14px;font-weight:600;border-radius:9px;padding:10px 18px;cursor:pointer;border:1px solid transparent;transition:all .15s;font-family:inherit}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-d)}
.btn-white{background:#fff;color:var(--brand)}.btn-white:hover{background:#F3F4F6}
.btn-outline{background:#fff;border-color:var(--line);color:var(--g1)}.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* hero */
.sup-hero{position:relative;overflow:hidden;text-align:center;padding:70px 0 56px}
.orbs{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5}
.orb.o1{width:340px;height:340px;background:#C7D2FE;top:-80px;left:-60px;animation:float 12s ease-in-out infinite}
.orb.o2{width:280px;height:280px;background:#DDD6FE;top:40px;right:-40px;animation:float 14s ease-in-out infinite reverse}
.orb.o3{width:220px;height:220px;background:#FCE7F3;bottom:-60px;left:40%;animation:float 16s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-26px)}}
.sup-hero .container{position:relative;z-index:1}
.pill{display:inline-flex;align-items:center;gap:7px;background:#EEF2FF;color:var(--brand);font-size:13px;font-weight:600;padding:6px 14px;border-radius:20px;margin-bottom:22px}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--brand)}
.sup-hero h1{font-size:44px;line-height:1.15;font-weight:700;margin-bottom:18px}
.sup-hero .sub{font-size:18px;color:var(--g2);max-width:620px;margin:0 auto 30px}
.stats{display:flex;gap:46px;justify-content:center;flex-wrap:wrap}
.stats .s .n{font-size:28px;font-weight:700;color:var(--brand)}
.stats .s .l{font-size:13px;color:var(--g3)}

/* sections */
.section{padding:64px 0}
.section.alt{background:#FAFAFA;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section h2{font-size:30px;font-weight:700;text-align:center;margin-bottom:12px}
.section .lead{font-size:16px;color:var(--g2);text-align:center;max-width:620px;margin:0 auto 36px}

/* tiers */
.tiers{display:flex;gap:20px;justify-content:center;align-items:stretch;flex-wrap:wrap}
.tier{position:relative;flex:0 0 250px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 24px;text-align:center;cursor:pointer;transition:all .18s}
.tier:hover{transform:translateY(-4px);box-shadow:0 12px 34px rgba(0,0,0,.08)}
.tier.sel{transform:translateY(-4px);box-shadow:0 12px 34px rgba(0,0,0,.1)}
.tier.sel.t-supporter{border:2px solid #EF4444}.tier.sel.t-champion{border:2px solid #F59E0B}.tier.sel.t-hero{border:2px solid #4F46E5}
.tier.featured{border-color:#F59E0B}
.tier .pop{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#F59E0B;color:#fff;font-size:11px;font-weight:700;letter-spacing:.5px;padding:4px 12px;border-radius:12px}
.tier .ic{font-size:30px;margin-bottom:8px}
.tier .name{font-size:15px;font-weight:600;color:var(--g1)}
.tier .amt{font-size:28px;font-weight:700;margin:6px 0 12px}.tier .amt span{font-size:14px;color:var(--g3);font-weight:500}
.tier .desc{font-size:13px;color:var(--g2);margin-bottom:20px;min-height:34px}
.custom{display:flex;gap:10px;justify-content:center;align-items:center;max-width:480px;margin:30px auto 0;flex-wrap:wrap}
.custom input{width:170px;padding:13px 14px;border:1px solid #D1D5DB;border-radius:10px;font-size:16px;outline:none}
.custom input:focus{border-color:var(--brand)}
.fineprint{text-align:center;font-size:13px;color:var(--g3);margin-top:12px}

/* UPI */
.upi{display:flex;gap:40px;align-items:center;justify-content:center;flex-wrap:wrap}
.qr{width:200px;height:200px;border:2px dashed #D1D5DB;border-radius:16px;display:flex;align-items:center;justify-content:center;background:#fff;color:var(--g3);font-size:13px;text-align:center;padding:10px}
.qr img{width:100%;height:100%;border-radius:12px}
.upi-id-row{display:flex;align-items:center;gap:8px;margin:10px 0}
.upi-id{font-family:monospace;font-size:15px;background:#F3F4F6;padding:9px 14px;border-radius:8px}
.apptags{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.apptag{font-size:12px;color:var(--g2);background:#F9FAFB;border:1px solid var(--line);border-radius:14px;padding:5px 12px}

/* dark money section */
.section.dark{background:#111827;border:none}
.section.dark h2{color:#fff}.section.dark .lead{color:#9CA3AF}
.money{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.money .card{flex:0 0 280px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:24px}
.money .ic{font-size:24px}.money .pct{font-size:30px;font-weight:700;color:#A5B4FC;margin:8px 0 2px}
.money h4{font-size:15px;color:#fff;margin-bottom:6px}.money p{font-size:13px;color:#9CA3AF;margin-bottom:14px}
.money .bar{height:6px;border-radius:3px;background:rgba(255,255,255,.1);overflow:hidden}
.money .bar i{display:block;height:100%;background:linear-gradient(90deg,#6366F1,#A5B4FC)}
.section.dark .note{text-align:center;color:#6B7280;font-size:13px;margin-top:28px}

/* 80G */
.tax{display:flex;gap:40px;align-items:center;justify-content:center;flex-wrap:wrap}
.tax .left{flex:1 1 380px;max-width:440px}
.taxbadge{display:inline-block;background:#ECFDF5;color:#047857;font-size:12px;font-weight:700;letter-spacing:.4px;padding:5px 12px;border-radius:14px;margin-bottom:14px}
.tax h3{font-size:24px;font-weight:700;margin-bottom:12px}
.tax p{font-size:15px;color:var(--g2);line-height:1.7;margin-bottom:10px}
.savecard{flex:0 0 320px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}
.savecard .row{display:flex;justify-content:space-between;font-size:15px;padding:8px 0;border-bottom:1px solid var(--line)}
.savecard .row.green{color:#059669}.savecard .row.total{border:none;font-weight:700;color:var(--brand);font-size:18px;padding-top:14px}
.savecard .sm{text-align:center;font-size:13px;color:var(--g3);margin-top:12px}

/* wall */
.wall{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;max-width:820px;margin:0 auto}
.wall .d{font-size:15px;color:var(--g1);background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px 16px}
.wall .add{border:1.5px dashed var(--brand);color:var(--brand);font-weight:600}

/* help cards */
.help{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.help .card{flex:0 0 230px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;transition:.15s}
.help .card:hover{border-color:#D1D5DB;box-shadow:0 4px 14px rgba(0,0,0,.05)}
.help .ic{font-size:26px;margin-bottom:10px}.help h4{font-size:15px;margin-bottom:5px}.help p{font-size:13px;color:var(--g2)}

/* final CTA */
.finalcta{background:linear-gradient(135deg,#4F46E5,#7C3AED);color:#fff;text-align:center;padding:70px 0}
.finalcta h2{font-size:32px;font-weight:700;margin-bottom:12px;color:#fff}
.finalcta p{font-size:17px;opacity:.92;margin-bottom:26px}
.finalcta .sm{font-size:13px;opacity:.8;margin-top:16px}

/* footer */
.sup-foot{background:#fff;border-top:1px solid var(--line);padding:40px 0;text-align:center}
.sup-foot .brand{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px;margin-bottom:6px}
.sup-foot .brand .mk{width:26px;height:26px;border-radius:7px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.sup-foot .by{font-size:13px;color:var(--g2);margin-bottom:4px}
.sup-foot .cr{font-size:13px;color:var(--g3)}

/* scroll-in animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:640px){
  .sup-hero h1{font-size:32px}.section h2{font-size:24px}
  .stats{gap:28px}.sup-nav .links a:not(.active):not(.btn){display:none}
}

/* === MOBILE RESPONSIVE (Phase 1) === */
@media (max-width:767px){
  /* tiers stack full-width */
  .tiers{flex-direction:column;gap:14px}
  .tier{flex:1 1 100%;width:100%;max-width:100%}
  /* custom amount: stack, full-width 16px */
  .custom{flex-direction:column;align-items:stretch;gap:12px;max-width:100%}
  .custom input{width:100%;font-size:16px;min-height:48px;box-sizing:border-box}
  .custom .btn{width:100%;min-height:48px}
  /* UPI: stack, QR centered ≤240 */
  .upi{flex-direction:column;gap:22px}
  .qr{width:min(240px,72vw);height:min(240px,72vw);margin:0 auto}
  .upi-id-row{flex-direction:column;align-items:stretch}
  .upi-id-row .btn{width:100%;min-height:44px}
  /* where-money + supporters stack */
  .money{flex-direction:column;gap:14px}
  .money .card{flex:1 1 100%;width:100%}
  .wall{flex-direction:column;align-items:stretch}
  /* other ways: 1 col mobile */
  .help{grid-template-columns:1fr;display:grid;gap:12px}
  /* 80G comfortable reading */
  .tax .left p{font-size:15px}
  /* final CTA full-width button */
  .finalcta .btn{width:100%;max-width:360px;min-height:48px}
}
/* tablet: other-ways + tiers 2-up */
@media (min-width:768px) and (max-width:1023px){
  .help{grid-template-columns:1fr 1fr;display:grid;gap:16px}
}
@media (hover:none){ .tier:hover{transform:none} }