/* =========================================================
   simonerenzi.com · nuova splash (doppia foto, audio, animazioni)
   ========================================================= */
@font-face{font-family:"Tenor Sans";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/tenor-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Instrument Serif";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/instrument-serif-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Instrument Serif";font-style:italic;font-weight:400;font-display:swap;src:url(../fonts/instrument-serif-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"VT323";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/vt323-latin-400-normal.woff2) format("woff2")}

html,body{height:100%;overflow:hidden;background:#5c5c60}
.sr{position:fixed;inset:0;overflow:hidden;background:#5c5c60;color:#fff;--ease:cubic-bezier(.2,.8,.2,1)}
.sr *{font-family:inherit}

/* --- foto ------------------------------------------------ */
.sr-ph{position:absolute;inset:0;transition:clip-path .9s var(--ease)}
.sr-ph img{width:100%;height:100%;object-fit:cover;object-position:50% 44.7%;display:block}
.sr-ph-eng{clip-path:inset(0 50% 0 0)}
.sr-ph-pia{clip-path:inset(0 0 0 50%)}
.sr.is-eng .sr-ph-eng{clip-path:inset(0 0 0 0)}
.sr.is-eng .sr-ph-pia{clip-path:inset(0 0 0 100%)}
.sr.is-pia .sr-ph-pia{clip-path:inset(0 0 0 0)}
.sr.is-pia .sr-ph-eng{clip-path:inset(0 100% 0 0)}

.sr-tint{position:absolute;inset:0;pointer-events:none}
.sr-tint-l{background:linear-gradient(90deg,rgba(12,20,42,.62) 0%,rgba(12,20,42,.18) 30%,rgba(12,20,42,0) 46%)}
.sr-tint-r{background:linear-gradient(270deg,rgba(10,7,4,.66) 0%,rgba(10,7,4,.2) 30%,rgba(10,7,4,0) 46%)}
.sr-tint-b{top:auto;height:40%;background:linear-gradient(0deg,rgba(0,0,0,.5),rgba(0,0,0,0))}

/* --- firma in filigrana ------------------------------------ */
.sr-wmwrap{position:absolute;inset:0;pointer-events:none;mix-blend-mode:overlay;-webkit-mask-image:url(../img/bg_mask.png);mask-image:url(../img/bg_mask.png);-webkit-mask-size:cover;mask-size:cover;-webkit-mask-position:50% 44.7%;mask-position:50% 44.7%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}
.sr-wm{position:absolute;left:50%;top:50%;width:min(88vw,1120px);transform:translate(-50%,-46%);pointer-events:none;opacity:.38;transition:opacity .6s}

/* --- metà cliccabili --------------------------------------- */
.sr-half{position:absolute;top:0;bottom:0;width:50%;text-decoration:none;cursor:pointer;-webkit-tap-highlight-color:transparent}
.sr-half:focus-visible{outline:2px solid #fff;outline-offset:-6px}
.sr-half-eng{left:0;color:#fff}
.sr-half-pia{right:0;color:#f6ecdb}
.sr-fade{transition:opacity .5s}
.sr-kicker-eng{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.16em;color:#dbe4f7}
.sr-kicker-pia{font-family:"Instrument Serif",serif;font-size:18px;letter-spacing:.14em;color:#f2e4cc}
.sr-top{position:absolute;top:16.5vh;display:flex;flex-direction:column;gap:12px;width:300px}
.sr-half-eng .sr-top{left:48px}
.sr-half-pia .sr-top{right:48px;align-items:flex-end;text-align:right}
.sr-list-eng{font-family:"IBM Plex Mono",monospace;font-size:14px;line-height:1.85;color:#eef2fb}
.sr-list-pia{font-family:"Instrument Serif",serif;font-style:italic;font-size:22px;line-height:1.45;color:#fbf3e6}
.sr-word{position:absolute;white-space:nowrap;line-height:.9}
.sr-word-eng{left:44px;bottom:13vh;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:clamp(56px,6.9vw,96px);letter-spacing:-.045em}
.sr-word-pia{right:44px;bottom:11.5vh;font-family:"Instrument Serif",serif;font-style:italic;font-size:clamp(78px,9.7vw,136px);letter-spacing:-.02em}
.sr-enter{position:absolute;bottom:5.5vh;min-height:44px;display:flex;align-items:center;gap:10px}
.sr-enter svg{width:18px;height:18px}
.sr-half-eng .sr-enter{left:48px;font-family:"IBM Plex Mono",monospace;font-size:13px;letter-spacing:.12em}
.sr-half-pia .sr-enter{right:48px;font-family:"Instrument Serif",serif;font-size:20px;letter-spacing:.06em}

.sr.is-eng .sr-half-pia .sr-fade{opacity:.06}
.sr.is-pia .sr-half-eng .sr-fade{opacity:.06}
.sr.is-eng .sr-half-pia .sr-list-pia,.sr.is-pia .sr-half-eng .sr-list-eng{opacity:0}

/* --- nome ---------------------------------------------------- */
.sr-name{font-weight:400;position:absolute;top:40px;left:0;right:0;text-align:center;pointer-events:none;font-family:"Tenor Sans",sans-serif;font-size:26px;letter-spacing:.3em;padding-left:.3em;color:#fff;z-index:3}

/* --- menu (riusa la bottom-bar esistente) ------------------- */
.bottom-bar{top:22px!important;right:32px!important;bottom:auto!important;left:auto!important;transform:none!important;gap:2px!important;padding:4px!important;background:rgba(16,16,20,.55)!important;border:1px solid rgba(255,255,255,.2)!important;border-radius:26px!important;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:none!important;animation:srNavIn .6s ease .4s both!important}
.bottom-bar .bottom-bar-btn{height:40px!important;padding:0 16px!important;border-radius:20px!important;font-family:"IBM Plex Mono",monospace!important;font-size:12px!important;font-weight:500!important;letter-spacing:.12em!important;color:#fff!important}
.bottom-bar .bottom-bar-btn.btn-primary{background:#fff!important;color:#141416!important;box-shadow:none!important;filter:none!important}
.bottom-bar .bottom-bar-btn svg{width:16px!important;height:16px!important}
.bottom-bar .bottom-bar-divider{height:20px!important;background:rgba(255,255,255,.22)!important}
@keyframes srNavIn{from{opacity:0}to{opacity:1}}
body.sr-running .bottom-bar,body.sr-running #chat-box{opacity:0!important;pointer-events:none!important;visibility:hidden!important}

/* --- pulsante indietro durante l'animazione ------------------ */
.sr-back{position:absolute;top:22px;left:32px;z-index:6;min-height:44px;padding:0 18px;border-radius:22px;border:1px solid rgba(255,255,255,.3);background:rgba(16,16,20,.55);color:#fff;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.12em;cursor:pointer;display:none;align-items:center;gap:8px}
.sr-back svg{width:16px;height:16px}
.sr.is-run .sr-back{display:flex}
.sr.is-run .sr-half .sr-fade,.sr.is-run .sr-half .sr-list-eng,.sr.is-run .sr-half .sr-list-pia{opacity:0}
.sr.is-run .sr-wm{opacity:0}
.sr.is-run .sr-half{pointer-events:none}

/* --- animazione ingegnere: terminale CRT --------------------- */
@keyframes srIn{from{opacity:0}to{opacity:1}}
@keyframes srBlink{0%,49%{opacity:1}50%,100%{opacity:0}}
@keyframes srFlicker{0%,100%{opacity:1}47%{opacity:.94}50%{opacity:.985}53%{opacity:.92}}
.sr-fx{position:absolute;inset:0;display:none;z-index:4}
.sr.is-run-eng .sr-fx-eng,.sr.is-run-pia .sr-fx-pia{display:block;animation:srIn .8s ease both}
.sr-fx-eng{background:rgba(1,10,4,.6)}
.sr-scan{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.28) 0,rgba(0,0,0,.28) 1px,rgba(0,0,0,0) 1px,rgba(0,0,0,0) 3px)}
.sr-crt{position:absolute;left:5vw;top:16vh;width:min(660px,calc(100vw - 32px));height:min(470px,62vh);box-sizing:border-box;padding:26px 30px;border-radius:26px;background:radial-gradient(ellipse at 50% 45%,rgba(6,30,14,.94),rgba(1,8,3,.97));border:2px solid rgba(80,255,140,.28);box-shadow:inset 0 0 70px rgba(0,0,0,.85),0 0 50px rgba(60,255,120,.12);overflow:hidden;display:flex;flex-direction:column;gap:4px;font-family:"VT323",monospace;font-size:27px;line-height:1.12;color:#59ff8f;text-shadow:0 0 5px rgba(89,255,143,.85),0 0 16px rgba(89,255,143,.35);animation:srFlicker .18s infinite}
.sr-crt-head{font-size:20px;color:rgba(89,255,143,.6);letter-spacing:.08em;margin-bottom:10px}
.sr-crt-lines{display:flex;flex-direction:column;gap:0}
.sr-crt-line{white-space:pre}
.sr-cursor{display:inline-block;width:13px;height:22px;margin-left:2px;vertical-align:-3px;background:#59ff8f;box-shadow:0 0 8px rgba(89,255,143,.8);animation:srBlink 1s steps(1) infinite}
.sr-crt-bar{position:absolute;left:30px;right:30px;bottom:24px;white-space:pre}

/* --- animazione pianista: video reale da arts.simonerenzi.com --- */
.sr-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;pointer-events:none;transition:opacity .9s ease;z-index:3}
.sr.is-video .sr-video{opacity:1}
.sr-fx-pia{background:radial-gradient(ellipse 75% 70% at 50% 50%,rgba(0,0,0,0) 40%,rgba(0,0,0,.55) 100%),linear-gradient(180deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,0) 22%,rgba(0,0,0,0) 78%,rgba(0,0,0,.35) 100%)}

/* --- dissolvenza finale -------------------------------------- */
.sr-black{position:absolute;inset:0;background:#000;opacity:0;pointer-events:none;z-index:5}
.sr.is-run .sr-name{z-index:6}

/* --- mobile / verticale ---------------------------------------- */
@media (max-aspect-ratio:9/10){
  .sr-ph img{object-position:51.4% 57.1%}
  .sr-wmwrap{-webkit-mask-image:url(../img/bg_mask_mobile.png);mask-image:url(../img/bg_mask_mobile.png);-webkit-mask-position:51.4% 57.1%;mask-position:51.4% 57.1%}
  .sr-name{top:44px;font-size:20px}
  .sr-wm{width:160vw;top:44%;transform:translate(-50%,-50%)}
  .sr-tint-b{height:46%;background:linear-gradient(0deg,rgba(0,0,0,.78) 0%,rgba(0,0,0,.45) 55%,rgba(0,0,0,0) 100%)}
  .sr-half{top:auto;bottom:80px;height:150px}
  .sr-top,.sr-word,.sr-enter{position:static}
  .sr-half-eng{display:flex;flex-direction:column;justify-content:flex-end;gap:8px;padding:0 16px 0 20px;box-sizing:border-box}
  .sr-half-pia{display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-end;gap:6px;padding:0 20px 0 16px;box-sizing:border-box;text-align:right}
  .sr-top{width:auto;gap:0}
  .sr-list-eng,.sr-list-pia{display:none}
  .sr-kicker-eng{font-size:11px;letter-spacing:.14em}
  .sr-kicker-pia{font-size:15px}
  .sr-word-eng{font-size:32px;letter-spacing:-.04em}
  .sr-word-pia{font-size:44px}
  .sr-enter{min-height:32px}
  .sr-half-eng .sr-enter{font-size:12px}
  .sr-half-pia .sr-enter{font-size:17px}
  .bottom-bar{top:auto!important;bottom:16px!important;left:16px!important;right:16px!important;justify-content:stretch}
  .bottom-bar .bottom-bar-btn{flex:1 1 auto;padding:0 10px!important;font-size:11px!important;letter-spacing:.08em!important}
  .bottom-bar .bottom-bar-btn .btn-label{display:inline!important}
  .sr-video{object-fit:contain;background:#000}
  .sr-back{top:16px;left:16px}
  .sr.is-run .sr-name{top:84px}
  .sr-crt{left:16px;top:96px;font-size:22px;padding:20px 20px;height:min(470px,58vh)}
  .sr-crt-head{font-size:15px}
  .sr-crt-bar{left:20px;right:20px}
}
@media (max-aspect-ratio:9/10) and (max-width:420px){
  .sr-ph img{object-position:51.3% 52.4%}
  .sr-wmwrap{-webkit-mask-image:url(../img/bg_mask_phone.png);mask-image:url(../img/bg_mask_phone.png);-webkit-mask-position:51.3% 52.4%;mask-position:51.3% 52.4%}
}
@media (prefers-reduced-motion:reduce){
  .sr-ph{transition:none}
  .sr-crt{animation:none}
}