:root{
  --navy:#14315c; --navy2:#1d4e89; --ink:#1f2328; --sub:#5a626b;
  --gold:#d4af37; --silver:#c8ccd0; --bronze:#cd7f32;
  --green:#1a7f37; --red:#c0392b; --bg:#f6f8fb; --line:#e3e6ea;
  --shadow:0 6px 20px rgba(20,49,92,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--navy2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* ---------- NAV ---------- */
.nav{background:rgba(17,38,72,.92);backdrop-filter:saturate(140%) blur(8px);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 14px rgba(0,0,0,.18)}
.nav .container{display:flex;align-items:center;gap:16px;min-height:58px;flex-wrap:wrap}
.nav .brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;color:#fff;margin-right:auto;white-space:nowrap;flex-shrink:0}
.nav .brand svg{width:26px;height:26px}
.nav a{color:#cfe0f5;font-size:14px;transition:color .2s}
.nav a:hover{color:#fff;text-decoration:none}
.nav .btn{padding:7px 14px;border-radius:8px}
.nav .btn-gold{background:var(--gold);color:#3a2e05;font-weight:700}
.nav .btn-gold:hover{color:#3a2e05}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;color:#fff;padding:64px 0 120px;
  background:linear-gradient(135deg,#0a1c36,#14315c,#1d4e89,#14315c);
  background-size:300% 300%;animation:bgShift 18s ease infinite}
@keyframes bgShift{0%{background-position:0 50%}50%{background-position:100% 50%}100%{background-position:0 50%}}
.hero .container{position:relative;z-index:2}
.hero h1{font-size:clamp(32px,7vw,48px);margin:0 0 10px;font-weight:800;letter-spacing:-1px;animation:fadeUp .7s ease both}
.hero .tagline{font-size:clamp(16px,2.4vw,19px);color:#bcd2ee;max-width:640px;animation:fadeUp .7s ease .1s both}
.hero .cta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;animation:fadeUp .7s ease .2s both}
.hero .pill{display:inline-block;margin-bottom:16px;padding:5px 15px;border:1px solid rgba(255,255,255,.35);border-radius:30px;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:#cfe0f5;animation:fadeUp .6s ease both}
/* decorative blobs */
.hero .blob{position:absolute;border-radius:50%;filter:blur(2px);opacity:.18;z-index:1}
.hero .b1{width:340px;height:340px;background:#4f9bf0;top:-90px;right:-60px;animation:pulse 9s ease-in-out infinite}
.hero .b2{width:240px;height:240px;background:#d4af37;bottom:-80px;left:-40px;opacity:.14;animation:pulse 11s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.18)}}
.hero .wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;z-index:2;display:block}

/* cards fan */
.cards-fan{margin:40px auto 0;text-align:center;animation:fadeUp .8s ease .3s both}
.cards-fan img{width:300px;border-radius:13px;border:1px solid rgba(255,255,255,.2);vertical-align:middle;box-shadow:0 14px 34px rgba(0,0,0,.4)}
.cards-fan img:nth-child(1){margin-right:-50px;position:relative;z-index:1;animation:floatL 7s ease-in-out infinite}
.cards-fan img:nth-child(2){position:relative;z-index:3;animation:floatM 6s ease-in-out infinite}
.cards-fan img:nth-child(3){margin-left:-50px;position:relative;z-index:1;animation:floatR 7.5s ease-in-out infinite}
@keyframes floatM{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes floatL{0%,100%{transform:rotate(-6deg) translateY(0)}50%{transform:rotate(-6deg) translateY(-9px)}}
@keyframes floatR{0%,100%{transform:rotate(6deg) translateY(0)}50%{transform:rotate(6deg) translateY(-9px)}}

/* ---------- SECTIONS ---------- */
.section{padding:38px 0}
h2{color:var(--navy);font-size:clamp(20px,3.5vw,25px);border-bottom:2px solid var(--navy2);padding-bottom:6px;margin-top:0}
h3{color:var(--navy2);font-size:17px;margin:18px 0 6px}
.center{text-align:center}
.center h2{display:inline-block;border-bottom:none}
.lead{color:var(--sub);max-width:620px;margin:0 auto 6px}
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* boxes & features */
.box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:16px;box-shadow:var(--shadow)}
.box h3{margin-top:0}
.muted{color:var(--sub);font-size:13px}
.feature{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.feature:hover{transform:translateY(-6px);box-shadow:0 16px 32px rgba(20,49,92,.14)}
.feature .ic{font-size:30px;display:inline-block;transition:transform .3s}
.feature:hover .ic{transform:scale(1.15) rotate(-6deg)}
.feature h3{margin:8px 0 4px}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;font-size:15px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px)}
.reveal.in{animation:fadeUp .65s ease forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* ---------- BUTTONS & FORMS ---------- */
.btn{display:inline-block;padding:10px 18px;border:none;border-radius:9px;background:var(--navy2);color:#fff;font-size:14px;cursor:pointer;font-weight:600;transition:transform .15s ease,box-shadow .15s ease,background .2s}
.btn:hover{background:var(--navy);text-decoration:none;color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(20,49,92,.25)}
.btn:active{transform:translateY(0)}
.btn-gold{background:var(--gold);color:#3a2e05}
.btn-gold:hover{background:#c8a330;color:#3a2e05}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-sm{padding:6px 11px;font-size:12.5px}
.btn-green{background:var(--green)} .btn-green:hover{background:#15692e}
.btn-red{background:var(--red)} .btn-red:hover{background:#a4322a}
label{display:block;font-size:13px;color:var(--sub);margin:8px 0 3px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #cdd4dc;border-radius:8px;font-size:14px;font-family:inherit;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy2);box-shadow:0 0 0 3px rgba(29,78,137,.12)}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>div{flex:1;min-width:120px}
form.inline{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}

/* ---------- TABLE ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:13.5px;margin:8px 0}
th{background:var(--navy);color:#fff;text-align:left;padding:9px 11px;font-weight:600;white-space:nowrap}
td{padding:8px 11px;border-bottom:1px solid var(--line);vertical-align:top}
tr:nth-child(even) td{background:#f8fafc}

/* chips & alerts */
.chip{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:700}
.t-gold{background:var(--gold);color:#3a2e05}
.t-silver{background:var(--silver);color:#23282d}
.t-bronze{background:var(--bronze);color:#fff}
.s-active{background:#e9f7ee;color:var(--green)}
.s-pending{background:#fff8e6;color:#8a6d10}
.s-locked,.s-rejected{background:#fdeaea;color:var(--red)}
.alert{padding:11px 15px;border-radius:9px;margin:12px 0;animation:fadeUp .4s ease both}
.alert-ok{background:#e9f7ee;border-left:4px solid var(--green)}
.alert-err{background:#fdeaea;border-left:4px solid var(--red)}
.alert-warn{background:#fff8e6;border-left:4px solid var(--gold)}

/* member card render */
.memcard{position:relative;width:420px;max-width:100%;border-radius:14px;overflow:hidden;box-shadow:0 14px 34px rgba(20,49,92,.22);transition:transform .3s}
.memcard:hover{transform:translateY(-4px) rotate(-.5deg)}
.memcard img{width:100%;display:block}
.memcard .qr{position:absolute;right:14px;bottom:14px;width:74px;height:74px;background:#fff;padding:4px;border-radius:8px;box-shadow:0 3px 10px rgba(0,0,0,.25)}
.memcard .qr img{width:100%}

/* stats */
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center;box-shadow:var(--shadow);transition:transform .2s}
.stat:hover{transform:translateY(-3px)}
.stat .n{font-size:clamp(20px,4vw,26px);font-weight:800;color:var(--navy)}
.stat .l{font-size:12px;color:var(--sub);text-transform:uppercase;letter-spacing:.5px}

.mnemonic{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 0}
.mnemonic span{background:#0d1b2a;color:#d6e4f0;padding:9px;border-radius:7px;font-family:Menlo,monospace;font-size:13px;text-align:center}
.mnemonic span b{color:#ffd479;margin-right:6px}

footer{background:#0a1626;color:#9fb8d8;font-size:12.5px;padding:24px 0;margin-top:34px}
.code{font-family:Menlo,Consolas,monospace;background:#eef1f4;padding:1px 6px;border-radius:4px;font-size:12.5px;word-break:break-all}

/* ---------- RESPONSIVE ---------- */
@media(max-width:860px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav .container{gap:10px}
  .nav a{font-size:13px}
  .hero{padding:46px 0 90px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .cards-fan img{width:74%;display:block;margin:0 auto 12px!important;animation:none!important;transform:none!important}
  table{display:block;overflow-x:auto;white-space:nowrap}
  form.inline{flex-direction:column;align-items:stretch}
  form.inline>div{width:100%}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}