/* WEB-E11: biblioteca y registro voluntario. Tipografía sans serif. */
.osa-r57-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.88fr);gap:clamp(24px,5vw,65px);align-items:center;padding-top:clamp(36px,6vw,88px);padding-bottom:clamp(38px,7vw,95px)}
.osa-r57-hero h1{font-size:clamp(2.55rem,5vw,5.2rem);line-height:1.07;letter-spacing:-.055em;max-width:780px;margin:.2em 0 .3em;font-weight:750}.osa-r57-hero h1 em,.osa-r57-last h2 em,.osa-r57-message h2 em{font-style:normal;color:#D7AE65}
.osa-r57-hero figure{margin:0;border:1px solid #55452c;border-radius:20px;overflow:hidden;background:#171719;position:relative;min-height:360px}.osa-r57-hero figure img{width:100%;height:clamp(330px,40vw,530px);object-fit:cover;display:block;filter:grayscale(1) sepia(.35) contrast(1.13) brightness(.78)}.osa-r57-hero figcaption{position:absolute;bottom:0;left:0;right:0;padding:16px 20px;font-size:.8rem;background:linear-gradient(transparent,#080808e9);color:#e0d8cb}
.osa-r57-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(275px,1fr));gap:23px;margin:32px 0}.osa-r57-card{border:1px solid #51452f;border-radius:18px;background:#19191a;overflow:hidden}.osa-r57-card>img{height:210px;width:100%;object-fit:cover;filter:grayscale(1) sepia(.3) contrast(1.1)}.osa-r57-card>div{padding:26px}.osa-r57-card h3{font-size:clamp(1.35rem,2vw,1.8rem);letter-spacing:-.025em;line-height:1.25;color:#f4f0e8;margin:12px 0}.osa-r57-card p{font-size:1.02rem;line-height:1.65}.osa-r57-card .osa-btn{margin-top:13px}
.osa-r57-empty{padding:28px;border:1px solid #4c402e;border-radius:18px;max-width:810px}.osa-r57-empty h3{font-size:1.6rem}.osa-r57-last{display:flex;justify-content:space-between;align-items:center;gap:36px}.osa-r57-last h2{font-size:clamp(1.8rem,3vw,3rem)}.osa-r57-last p{font-size:1.05rem}
.osa-r57-detail .osa-r57-note{max-width:630px}.osa-r57-back{display:inline-block;color:#f1ce86;margin-top:18px;font-weight:700;font-size:.98rem}.osa-r57-note{color:#b8b5ac;font-size:.95rem;line-height:1.6}.osa-r57-form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,5vw,74px);align-items:start}.osa-r57-message h2{font-size:clamp(2rem,3.5vw,3.3rem);line-height:1.13}.osa-r57-message p,.osa-r57-message li{font-size:1.04rem;line-height:1.7;color:#e1daca}.osa-r57-message li{margin:12px 0}.osa-r57-form-card{padding:clamp(22px,3vw,38px);border:1px solid #51462f;border-radius:20px;background:linear-gradient(140deg,#202024,#151519)}.osa-r57-form-card h2{font-size:clamp(1.6rem,2.5vw,2.15rem);margin:0 0 12px}.osa-r57-form-card p{line-height:1.6;font-size:1rem}.osa-r57-form{display:grid;gap:17px;margin-top:24px}.osa-r57-form>label:not(.osa-r57-check){display:grid;gap:8px;font-size:1rem;color:#f3eee4;font-weight:700}.osa-r57-form input[type=text],.osa-r57-form input[type=email]{min-height:52px;border:1px solid #77603b;background:#0c0d10;color:#fff;border-radius:10px;font:inherit;padding:12px 14px;width:100%;box-sizing:border-box;font-size:1rem}.osa-r57-form input:focus-visible,.osa-r57-form button:focus-visible{outline:3px solid #e7c273;outline-offset:3px}.osa-r57-check{display:flex;gap:12px;align-items:flex-start;font-size:.94rem;line-height:1.55;color:#e4ddd0}.osa-r57-check input{width:20px;height:20px;flex:0 0 20px;margin-top:2px;accent-color:#d4af5c}.osa-r57-privacy{font-size:.89rem!important;color:#b7b5ad;line-height:1.58!important}.osa-r57-privacy a{color:#ebc476}.osa-r57-form .osa-btn{width:100%;min-height:54px;cursor:pointer;font-size:1rem}.osa-r57-honey{position:absolute;left:-200vw;top:auto;width:1px;height:1px;overflow:hidden}.osa-r57-error{padding:12px 14px;border:1px solid #aa625a;border-radius:9px;background:#421d21;color:#fff!important}
@media(max-width:850px){.osa-r57-hero,.osa-r57-form-wrap{grid-template-columns:1fr}.osa-r57-hero figure{min-height:0}.osa-r57-hero figure img{height:290px}.osa-r57-last{display:block}.osa-r57-last>div+div{margin-top:22px}}
@media(max-width:420px){.osa-r57-hero h1{font-size:2.35rem}.osa-r57-card>div{padding:20px}.osa-r57-form-card{padding:20px}.osa-r57-hero figure img{height:220px}}