.hd-case-page{background:#030712;color:#d5dfeb;min-height:100vh}
.hd-case-main{max-width:1120px;margin:auto;padding:150px 24px 90px}
.hd-case-back{color:#6ee7f9;text-decoration:none;font-weight:700;font-size:14px}
.hd-case-back:hover,.hd-case-link:hover{text-decoration:underline}
.hd-case-header{max-width:800px;margin:36px 0 48px}
.hd-case-eyebrow{color:#68dcef;letter-spacing:.16em;text-transform:uppercase;font-size:12px;font-weight:800}
.hd-case-header h1{color:#fff;font-size:clamp(38px,6vw,72px);line-height:1.06;letter-spacing:-.04em;margin:14px 0 22px}
.hd-case-lead{font-size:clamp(18px,2vw,23px);line-height:1.6;color:#c9d7e6}
.hd-case-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hd-case-meta span{border:1px solid #24445a;border-radius:999px;padding:9px 14px;color:#a9c5d5;background:#0a1b2d;font-size:13px}
.hd-case-meta strong{color:#fff}
.hd-case-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 16px}
.hd-case-stats>div{padding:24px 20px;border:1px solid rgba(88,221,242,.25);border-radius:20px;background:linear-gradient(145deg,#0c2a3e,#091625);box-shadow:0 12px 40px #0004;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;animation:hd-case-rise .65s both}
.hd-case-stats>div:nth-child(2){animation-delay:.08s}.hd-case-stats>div:nth-child(3){animation-delay:.16s}.hd-case-stats>div:nth-child(4){animation-delay:.24s}
.hd-case-stats>div:hover{transform:translateY(-5px);border-color:#54dcf0;box-shadow:0 20px 42px rgba(23,180,210,.16)}
.hd-case-stats strong{display:block;color:#f3fdff;font-size:clamp(25px,3vw,39px);line-height:1.05;letter-spacing:-.05em}
.hd-case-stats span{display:block;color:#a7c3d3;font-size:13px;margin-top:9px}
.hd-case-source{color:#9aafc0;font-size:13px;line-height:1.55;margin:0 0 30px}
@keyframes hd-case-rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.hd-case-visual{border:1px solid #24506b;border-radius:24px;overflow:hidden;box-shadow:0 24px 80px #0007;background:#0a1523}
.hd-case-visual img{display:block;width:100%;height:auto}
.hd-case-caption{padding:14px 20px;color:#a8bfd1;font-size:13px}
.hd-case-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,320px);gap:36px;margin:54px 0}
.hd-case-copy section{margin-bottom:38px}
.hd-case-copy h2{font-size:clamp(24px,3vw,32px);line-height:1.2;color:#fff;margin:0 0 14px}
.hd-case-copy p,.hd-case-copy li{line-height:1.75;font-size:16px}
.hd-case-copy ul{padding-left:20px}
.hd-case-aside{align-self:start;background:linear-gradient(145deg,#0d2336,#091220);border:1px solid #24445a;border-radius:20px;padding:26px}
.hd-case-aside h2{font-size:18px;color:#fff;margin:0 0 16px}
.hd-case-aside dl{margin:0}.hd-case-aside dt{color:#71dce9;font-size:12px;text-transform:uppercase;letter-spacing:.09em;margin-top:18px}.hd-case-aside dd{color:#e5edf5;margin:5px 0 0;line-height:1.5}
.hd-case-link{color:#69dff0;text-decoration:none;font-weight:700}
.hd-case-next{border-top:1px solid #254057;padding-top:28px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.hd-case-next a{color:#7ce8f4;font-weight:700;text-decoration:none}
@media(max-width:720px){.hd-case-main{padding-top:120px}.hd-case-grid{grid-template-columns:1fr;gap:10px}.hd-case-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.hd-case-stats>div{animation:none;transition:none}.hd-case-stats>div:hover{transform:none}}