/* ===== v3: credential fan, sample letter, team ===== */
.fan-sec{position:relative;overflow:hidden}
.fan-sec::before{content:"";position:absolute;inset:auto 0 0 0;height:520px;pointer-events:none;background:radial-gradient(520px 300px at 50% 80%,rgba(165,80,154,.22),transparent 70%)}
.fan{position:relative;height:470px;max-width:980px;margin:12px auto 0;perspective:1600px}
.cred{position:absolute;left:50%;bottom:30px;width:236px;height:340px;border:0;padding:0;background:none;cursor:pointer;transform-origin:50% 120%;transition:transform .55s cubic-bezier(.2,.8,.2,1),box-shadow .3s;border-radius:22px;-webkit-tap-highlight-color:transparent}
.fan.stacked .cred{transform:translate(-50%,0) rotate(0deg)!important}
.cred:focus-visible{outline:2px solid var(--lime);outline-offset:6px}
.cred .in{position:absolute;inset:0;transition:transform .6s cubic-bezier(.2,.8,.2,1);transform-style:preserve-3d}
.cred.flipped .in{transform:rotateY(180deg)}
.cred .face{position:absolute;inset:0;border-radius:22px;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;text-align:left;color:#fff;padding:20px;display:flex;flex-direction:column;box-shadow:0 30px 60px -24px rgba(0,0,0,.9),inset 0 0 0 1px rgba(255,255,255,.14)}
.cred .front{background:linear-gradient(155deg,#A5509A 0%,#7A3A84 45%,#2A1A40 100%)}
.cred:nth-child(2) .front{background:linear-gradient(155deg,#8E4FB0 0%,#553078 50%,#1E1633 100%)}
.cred:nth-child(3) .front{background:linear-gradient(155deg,#B4E668 0%,#56B231 40%,#1A5D34 100%);color:#0B1508}
.cred:nth-child(4) .front{background:linear-gradient(155deg,#97E4D9 0%,#2E7F72 50%,#10302C 100%)}
.cred:nth-child(5) .front{background:linear-gradient(155deg,#D9A6D2 0%,#903D86 45%,#2A1A40 100%)}
.cred .front::after{content:"";position:absolute;inset:0;background:radial-gradient(260px 160px at 85% 0%,rgba(255,255,255,.28),transparent 60%),repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);pointer-events:none}
.cred .back{transform:rotateY(180deg);background:#FFFFFF;color:#16181D;align-items:center;justify-content:center;gap:10px;text-align:center}
.c-top{display:flex;align-items:center;gap:8px;font-family:var(--at-font);font-weight:700;font-size:15px;position:relative;z-index:1}
.c-top img{width:22px;height:22px}
.c-chip{margin-left:auto;font:500 10px var(--mono);letter-spacing:.12em;border:1px solid currentColor;border-radius:999px;padding:3px 8px;opacity:.85}
.c-kind{margin-top:auto;position:relative;z-index:1}
.c-kind small{display:block;font:500 10.5px var(--mono);letter-spacing:.14em;opacity:.75;text-transform:uppercase}
.c-kind b{display:block;font-family:var(--at-font);font-size:26px;line-height:1.05;margin-top:6px;letter-spacing:-.01em}
.c-kind span{display:block;font-size:12.5px;opacity:.85;margin-top:8px}
.c-foot{display:flex;align-items:flex-end;justify-content:space-between;margin-top:18px;position:relative;z-index:1}
.c-foot .who{font-size:12px;opacity:.85;border:0;padding:0;color:inherit}
.c-foot .who b{display:block;font-size:14px;opacity:1}
.qr-mini{width:46px;height:46px;background:#fff;border-radius:8px;padding:5px}
.qr-mini svg,.qr-big svg{display:block;width:100%;height:100%}
.qr-big{width:150px;height:150px;padding:10px;border-radius:14px;border:1px solid #DFE6DA}
.back b{font-size:16px}
.back small{font-size:12px;color:#6B737B;max-width:22ch}
.back .c-chip{margin:0;color:#903D86}
.fan-hint{text-align:center;font-size:13.5px;color:var(--text-3);margin-top:4px}
@media (max-width:640px){.fan{height:400px}.cred{width:190px;height:278px}.c-kind b{font-size:21px}.qr-big{width:120px;height:120px}}
@media (prefers-reduced-motion:reduce){.cred,.cred .in{transition:none}}

/* sample letter */
.letter-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media (max-width:900px){.letter-wrap{grid-template-columns:1fr;gap:32px}}
.paper{position:relative;background:#fff;color:#16181D;border-radius:6px;padding:34px 34px 26px;font-size:11.5px;line-height:1.55;box-shadow:0 2px 4px rgba(22,24,29,.06),0 30px 60px -28px rgba(22,24,29,.35);transform:rotate(-2deg);max-width:500px;margin-inline:auto;overflow:hidden}
.paper::after{content:"SAMPLE";position:absolute;top:44%;left:50%;transform:translate(-50%,-50%) rotate(-24deg);font:800 88px var(--font);letter-spacing:.08em;color:rgba(98,176,147,.12);pointer-events:none}
.p-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:12px;border-bottom:1.5px solid #56B231}
.p-head .brand{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.16em;font-size:11px}
.p-head .brand img{width:22px;height:22px}
.p-head .brand span{font-weight:400}
.p-head .kind{font-weight:700;letter-spacing:.14em;font-size:8.5px}
.p-meta{text-align:right;margin:12px 0 10px;font-size:10.5px}
.paper p{margin:0 0 8px}
.p-steps{margin:8px 0;padding:0;list-style:none;display:grid;gap:5px}
.p-sign{display:flex;justify-content:space-between;align-items:flex-end;margin-top:14px;padding-top:12px;border-top:1px solid #DFE6DA}
.p-sign .sig{font-family:"Brush Script MT","Segoe Script",cursive;font-size:22px;color:#1A5D34;line-height:1}
.p-sign small{display:block;color:#6B737B;font-size:9.5px}
.p-qr{width:54px;height:54px}
.checks-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:14px}
.checks-list li{display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:center;font-size:16px;color:var(--text-2)}
.checks-list b{color:var(--text);display:block}

/* team */
.team{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
@media (max-width:1000px){.team{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.team{grid-template-columns:repeat(2,1fr)}}
.person{display:grid;gap:10px;text-align:center;justify-items:center}
.person img{width:100%;max-width:150px;aspect-ratio:1/1;object-fit:cover;border-radius:50%;background:#E9F0E3;box-shadow:0 12px 30px -18px rgba(22,24,29,.35)}
.person b{color:var(--text);font-size:15.5px;line-height:1.25}
.person span{font-size:13px;color:var(--text-3);line-height:1.35}
.remote{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;margin-top:6px}
.letter-stage{position:relative;padding-bottom:58px}.letter-wrap>*{min-width:0}
.tok-chip{position:absolute;right:-6px;bottom:0;display:flex;align-items:center;gap:12px;padding:12px 16px 12px 12px;border-radius:18px;background:linear-gradient(155deg,#A5509A 0%,#553078 100%);color:#fff;box-shadow:0 24px 44px -20px rgba(85,48,120,.7),inset 0 0 0 1px rgba(255,255,255,.18);transform:rotate(3deg)}
.tok-chip img{width:34px;height:34px;background:#fff;border-radius:50%;padding:5px}
.tok-chip b{display:block;font-family:var(--at-font);font-size:15px}
.tok-chip small{display:block;font:500 10.5px var(--mono);letter-spacing:.08em;opacity:.85;margin-top:2px}
@media (max-width:640px){.tok-chip{right:4px}}