/* V17: less repetition, more space for the central idea */
:root{--v17-gold:#f1d389}
.hero .hero-copy{max-width:690px}
.hero .hero-sub{max-width:670px;line-height:1.75;margin-bottom:26px}
.hero .hero-inner{min-height:600px;padding-block:50px 23px}
.hero-gallery .coin-display{width:min(70%,420px)}
.hero .stats-bar{grid-template-columns:repeat(2,minmax(0,1fr));max-width:100%}
.hero .stats-bar .stat{min-height:118px;padding:20px 32px}
.hero .stats-bar .stat b{font-size:clamp(37px,4.2vw,57px)}
.hero .stats-bar .stat:nth-child(2){border-inline-end:0!important}
.v16-idea{padding-block:90px 86px}
.v16-idea-heading h2{max-width:930px}
.v16-idea-heading p{max-width:300px}
.v16-idea-grid .v16-idea-card{min-height:338px;background:linear-gradient(145deg,#172331,#0c131e)}
.v16-idea-grid .v16-idea-card strong{font-size:clamp(22px,2vw,30px)}
.v16-idea-grid .v16-idea-card small{font-size:14px}
.v16-idea-grid .v16-svg{filter:drop-shadow(0 0 25px rgba(230,202,134,.15));transform:scale(1.07)}
.v16-idea-card:nth-child(2) .v16-svg{filter:drop-shadow(0 0 28px rgba(128,221,211,.2))}
.v16-idea-card:nth-child(3) .v16-svg{filter:drop-shadow(0 0 27px rgba(166,154,235,.2))}
.mechanism{padding-top:72px;padding-bottom:74px}
.mechanism-head{margin-bottom:23px}
.mechanism h2{font-size:clamp(38px,4vw,62px)}
.concept{padding:66px 0 76px}
.concept .section-head{margin-bottom:24px}
.concept .section-head h2{font-size:clamp(37px,4.3vw,66px)}
.concept .v14-path-grid{margin-bottom:0}
.concept .v14-world{min-height:0}
.concept .v14-world>img{height:220px;object-fit:contain}
.concept .v14-world-body p{max-width:500px}
.v17-method-details{border-top:1px solid rgba(221,195,143,.18);margin-top:15px;padding-top:11px}
.v17-method-details>summary{list-style:none;cursor:pointer;color:#d7bc81;font-weight:650;font-size:12px}
.v17-method-details>summary::-webkit-details-marker{display:none}
.v17-method-details>summary:before{content:'＋';display:inline-block;margin-inline-end:7px;color:#e8d3a8}
.v17-method-details[open]>summary:before{content:'−'}
.v17-method-details .v14-metrics-note{padding:10px 0 0;margin:0;line-height:1.75}
section{scroll-margin-top:100px}
@media(max-width:900px){.hero .hero-inner{min-height:0}.hero-gallery .coin-display{width:min(70%,420px)}.v16-idea{padding-block:64px}}
@media(max-width:600px){
.hero .hero-copy{max-width:100%}
.hero .hero-sub{font-size:14px;line-height:1.75}
.hero-gallery .coin-display{width:min(66%,310px)}
.hero .stats-bar{grid-template-columns:1fr 1fr}
.hero .stats-bar .stat{min-height:105px;padding:14px 13px}
.hero .stats-bar .stat b{font-size:clamp(28px,7.7vw,42px)}
.hero .stats-bar .stat>span{font-size:10px;white-space:normal}
.hero .stats-bar .stat>small{font-size:9px}
.v16-idea-grid .v16-idea-card{min-height:280px}
.v16-idea-grid .v16-svg{max-width:350px;transform:none}
.mechanism{padding-block:60px}
.concept{padding:54px 0 60px}
.concept .v14-world>img{height:170px}
}
@media(prefers-reduced-motion:reduce){.v16-idea-grid .v16-svg{filter:none}}