:root{color-scheme:dark;--bg:#101411;--text:#f0f1e8;--muted:#9aa59a;--line:#303a32;--accent:#9ab865}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.ambient{position:fixed;z-index:-1;inset:0;background:radial-gradient(ellipse at 83% 25%,#253c273d,transparent 55%);pointer-events:none}
.shell{max-width:1060px;margin:auto;padding:0 38px}
.top{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.top-link,footer{font-size:10px;letter-spacing:.19em;font-weight:600}
.top-link{color:var(--accent)}
.top-link span{font-size:17px;margin-left:7px}
footer{border-top:1px solid var(--line);padding:31px 0 45px;display:flex;justify-content:center;gap:34px;color:#879587}
footer a{color:#b4c7a5;transition:color .2s}
footer a:hover{color:var(--accent)}
/* one-screen app shell */
body.app-body{height:100vh;height:100dvh;overflow:hidden}
html:has(body.app-body){overflow:hidden;height:100%}
.app{max-width:1060px;margin:auto;padding:0 38px env(safe-area-inset-bottom);height:100vh;height:100dvh;display:flex;flex-direction:column}
.stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:20px 0;border-bottom:1px solid transparent;transition:border-color .6s .2s}
.logo-link{display:block;line-height:0;cursor:pointer}
body:not([data-view=home]) .logo-link{cursor:pointer}
body:not([data-view=home]) .logo-link:hover .logo{opacity:.8}
.logo{transition-property:opacity}
.logo{display:block;height:auto;width:min(80vw,460px,calc((100vh - 220px)*1.535));width:min(80vw,460px,calc((100dvh - 220px)*1.535));will-change:transform}
.app footer{flex:none;border-top:1px solid var(--line)}
@media(max-height:460px){.logo{width:auto;height:min(60dvh,254px)}}
/* open states: logo shrinks to a header, panel takes the freed space */
body:not([data-view=home]) .stage{flex:none;padding:16px 0 14px;border-bottom-color:var(--line)}
body:not([data-view=home]) .logo{width:112px;height:auto}
.panel{display:none;flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:0}
body[data-view=contact] #panel-contact,body[data-view=privacy] #panel-privacy,body[data-view=about] #panel-about{display:block}
@keyframes rise{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
/* staggered entrance: logo moves first, then content rises in piece by piece */
body[data-view=contact] #panel-contact .panel-head,body[data-view=contact] #panel-contact .field,body[data-view=contact] #panel-contact .send,body[data-view=contact] #panel-contact .feedback,
body[data-view=privacy] #panel-privacy .panel-head,body[data-view=privacy] #panel-privacy article>*,body[data-view=about] #panel-about article>*{animation:rise .7s cubic-bezier(.16,.84,.3,1) both;animation-delay:calc(.28s + var(--i,0)*70ms)}
#panel-contact .panel-head{--i:0}#panel-contact .field:nth-of-type(1){--i:1}#panel-contact .field:nth-of-type(2){--i:2}#panel-contact .send{--i:3}#panel-contact .feedback{--i:4}
#panel-privacy .panel-head{--i:0}#panel-privacy article>:nth-child(1){--i:1}#panel-privacy article>:nth-child(2){--i:2}#panel-privacy article>:nth-child(3){--i:3}#panel-privacy article>:nth-child(4){--i:4}#panel-privacy article>:nth-child(n+5){--i:5}
.panel-inner{max-width:640px;margin:0 auto;padding:26px 0 28px}
.panel-head{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:18px 0 14px;background:var(--bg)}
.panel-head h2{margin:0;font-size:10px;letter-spacing:.19em;font-weight:600;color:var(--accent)}
#panel-privacy article,#panel-about article{padding:6px 0 10px}
#panel-privacy article h1,#panel-about article h1{font-size:clamp(31px,8.4vw,42px);line-height:1.15;letter-spacing:-.03em;font-weight:580;color:var(--text);margin:0 0 16px}
#panel-contact h2:focus,#panel-privacy h1:focus,#panel-about h1:focus{outline:none}
.linkbtn{background:none;border:0;padding:0;margin:0;font:inherit;font-size:10px;letter-spacing:.19em;font-weight:600;color:#b4c7a5;cursor:pointer;transition:color .2s,background .2s}
.linkbtn:hover,.linkbtn:focus-visible{color:var(--accent)}
.linkbtn:focus-visible,footer a:focus-visible,.send:focus-visible,.logo-link:focus-visible{outline:1px solid var(--accent);outline-offset:4px}
.field{margin-bottom:20px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.field input,.field textarea{display:block;width:100%;border:0;border-bottom:1px solid #4a584c;background:rgba(255,255,255,.04);border-radius:0;padding:12px 12px;color:var(--text);font:inherit;font-size:16px;outline:none;transition:border-color .25s;-webkit-appearance:none;appearance:none}
.field textarea{resize:none;min-height:84px}
.field input,.field textarea,.send{border-radius:0!important;box-shadow:none;-webkit-appearance:none;appearance:none}
.field input:-webkit-autofill,.field input:-webkit-autofill:hover,.field input:-webkit-autofill:focus,.field textarea:-webkit-autofill{-webkit-text-fill-color:var(--text);-webkit-box-shadow:0 0 0 1000px #1a1d1b inset!important;box-shadow:0 0 0 1000px #1a1d1b inset!important;caret-color:var(--text);background-color:transparent!important;transition:background-color 99999s 0s}
.field input::placeholder,.field textarea::placeholder{font-size:10px;letter-spacing:.19em;font-weight:600;color:#879587;opacity:1}
.field input:focus,.field textarea:focus{border-bottom-color:var(--accent)}
.trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.send{display:flex;width:100%;min-height:48px;justify-content:center;align-items:center;gap:10px;background:rgba(255,255,255,.04);border:0;border-radius:0;padding:14px 12px;margin:0;font:inherit;font-size:10px;letter-spacing:.19em;font-weight:600;color:var(--accent);cursor:pointer;transition:color .2s,background .2s}
.send:hover,.send:focus-visible{color:#c4da98;background:rgba(255,255,255,.08)}.send:disabled{opacity:.55;cursor:wait}
.feedback{min-height:20px;margin:14px 0 0;font-size:13px;color:var(--accent);line-height:1.5}.feedback.error{color:#e9a79c}
@media(max-width:720px){.shell,.app{padding-left:24px;padding-right:24px}footer{font-size:9px;gap:28px;padding:20px 0 24px}.linkbtn{font-size:9px}body:not([data-view=home]) .logo{width:96px}.stage{padding:14px 0}}
@media(prefers-reduced-motion:reduce){body[data-view] .panel-head,body[data-view] .field,body[data-view] .send,body[data-view] .feedback,body[data-view] article>*{animation:none!important}.logo{transition:none!important}}

.send-icon{flex:none;transition:transform .3s}.send:hover .send-icon,.send:focus-visible .send-icon{transform:translate(2px,-2px)}

.panel-title{margin:0 0 20px;font-size:clamp(31px,8.4vw,42px);line-height:1.15;letter-spacing:-.03em;font-weight:580;color:var(--text)}
#panel-contact .panel-title{animation:rise .7s cubic-bezier(.16,.84,.3,1) both;animation-delay:.28s}
@media(prefers-reduced-motion:reduce){#panel-contact .panel-title{animation:none!important}}

/* landing: logo and menu form one tidy group, centred (slightly above middle) */
body[data-view=home] .app{justify-content:center;padding-bottom:7dvh}
body[data-view=home] .stage{flex:none;padding:0}
body[data-view=home] .app footer{border-top-color:transparent;padding:30px 0 0}
.app footer{transition:border-color .6s .2s}
.panel{touch-action:pan-y;padding-bottom:env(safe-area-inset-bottom)}
@media(max-width:720px){body[data-view=home] .app footer{padding:26px 0 0}}

/* larger type */
footer,.app footer{font-size:16px;letter-spacing:.14em;gap:36px}
footer a,.linkbtn{font-size:16px;letter-spacing:.14em}
.field input,.field textarea{font-size:17px;padding:13px 14px}
.field input::placeholder,.field textarea::placeholder{font-size:15px;letter-spacing:.14em}
.field{margin-bottom:16px}
.field textarea{min-height:92px}
.send{font-size:15px;letter-spacing:.16em;min-height:54px}
.send-icon{width:18px;height:18px}
.feedback{font-size:15px}
#panel-privacy article{padding-top:0}
@media(max-width:720px){footer,.app footer{font-size:16px;gap:34px}footer a,.linkbtn{font-size:16px}body[data-view=home] .app footer{padding:24px 0 0}.app footer{padding:18px 0 22px}}
@media(min-width:721px){footer,.app footer{font-size:17px}footer a,.linkbtn{font-size:17px}.field input,.field textarea{font-size:18px}}

/* about */
#panel-about article h1{margin:0 0 16px}
#panel-about article>:nth-child(1){--i:1}#panel-about article>:nth-child(2){--i:2}#panel-about article>:nth-child(3){--i:3}#panel-about article>:nth-child(4){--i:4}#panel-about article>:nth-child(5){--i:5}
#about-body .lead{font-size:clamp(22px,6vw,26px);line-height:1.35;color:var(--text);font-weight:500;letter-spacing:-.015em;margin:0 0 8px}
#about-body ul.apps{list-style:none;padding:0;margin:14px 0 0}
#about-body ul.apps li{padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--text)}
@media(max-width:720px){footer,.app footer{gap:22px;letter-spacing:.1em}footer a,.linkbtn{letter-spacing:.1em}}
@media(max-width:340px){footer,.app footer{gap:16px}footer a,.linkbtn{font-size:15px}}