/* PWA03.2 Smart Install — self-contained landing page, not theme-dependent. */
*,*::before,*::after{box-sizing:border-box}
:root{color-scheme:light;--epgsi-accent:#71528b;--epgsi-on-accent:#fff;--epgsi-ink:#242038;--epgsi-muted:#625d70;--epgsi-border:#eae5ed}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;background:radial-gradient(ellipse 65% 55% at 10% 12%,color-mix(in srgb,var(--epgsi-accent) 13%,#fff) 0,transparent 95%),radial-gradient(ellipse 65% 60% at 90% 12%,color-mix(in srgb,var(--epgsi-accent) 5%,#fff) 0,transparent 95%),#fcfafc;font:400 16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--epgsi-ink)}
button,input{font:inherit}
button{cursor:pointer}
a{color:inherit}
:focus-visible{outline:3px solid #51426e;outline-offset:4px}
.epgsi-layout{max-width:1170px;margin:0 auto;padding:24px clamp(18px,4vw,56px) 18px}
.epgsi-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:clamp(42px,7vw,76px)}
.epgsi-brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:15px;font-weight:740;line-height:1.25;min-width:0}
.epgsi-brand img{width:44px;height:44px;object-fit:cover;border-radius:13px;border:1px solid #eee;background:#fff}
.epgsi-brand-placeholder{display:grid;place-items:center;width:44px;height:44px;background:#fff;border:1px solid var(--epgsi-border);border-radius:13px;color:var(--epgsi-accent)}
.epgsi-header-link{text-decoration:none;font-size:14px;font-weight:650;color:#55436c}
.epgsi-main{display:grid;grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:clamp(28px,5vw,78px)}
.epgsi-intro{min-width:0}
.epgsi-eyebrow{font-size:11px;font-weight:800;letter-spacing:.13em;color:#65546f;margin:0 0 17px}
h1{font-size:clamp(2.15rem,5.7vw,4rem);line-height:1.09;letter-spacing:-.055em;margin:0 0 20px;max-width:730px;font-weight:760}
.epgsi-lead{max-width:610px;color:var(--epgsi-muted);font-size:clamp(15px,2vw,18px);line-height:1.65;margin:0 0 25px}
.epgsi-benefits{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:33px}
.epgsi-benefits>span{border:1px solid var(--epgsi-border);background:rgba(255,255,255,.65);padding:7px 11px;border-radius:999px;font-size:12px;color:#4c4453}
.epgsi-benefits>span span{color:var(--epgsi-accent);font-weight:800}
.epgsi-install-card,.epgsi-qr-card{border:1px solid rgba(85,65,103,.11);background:rgba(255,255,255,.9);border-radius:26px;box-shadow:0 18px 50px rgba(76,55,95,.07)}
.epgsi-install-card{max-width:650px;padding:clamp(22px,4vw,32px)}
.epgsi-heading-row{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.epgsi-small-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:13px;background:color-mix(in srgb,var(--epgsi-accent) 11%,#fff);color:#65546f;font-size:23px;flex:none}
h2{line-height:1.2;letter-spacing:-.027em;font-size:21px;margin:0;font-weight:730}
.epgsi-install-card>p{color:var(--epgsi-muted);font-size:14px;line-height:1.6;margin:8px 0 17px}
.epgsi-steps{list-style:none;padding:0;margin:0 0 19px;display:grid;gap:11px}
.epgsi-steps li{display:flex;align-items:flex-start;gap:12px;padding:13px 14px;background:#faf8fc;border:1px solid #f0eaf3;border-radius:14px;color:#362d43;font-size:14px;line-height:1.45}
.epgsi-steps li span{display:grid;place-items:center;flex:none;border-radius:50%;width:26px;height:26px;color:#554460;background:color-mix(in srgb,var(--epgsi-accent) 13%,#fff);font-size:12px;font-weight:800}
.epgsi-steps li p{margin:2px 0 0}
.epgsi-primary{display:block;border:0;width:100%;padding:14px 18px;border-radius:13px;font-weight:750;font-size:15px;color:var(--epgsi-on-accent);background:var(--epgsi-accent);box-shadow:0 7px 18px rgba(96,54,125,.13)}
.epgsi-primary[hidden]{display:none}
.epgsi-note{font-size:12px!important;margin:14px 0 0!important;color:#6b6474!important}
.epgsi-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:22px}
.epgsi-secondary{background:transparent;border:1px solid #d9cfe2;border-radius:999px;padding:10px 18px;color:#493658;font-weight:650;font-size:13px}
.epgsi-tertiary{font-weight:650;color:#68517d;text-underline-offset:3px;font-size:13px}
.epgsi-feedback{min-height:20px;font-size:13px;color:#4d6d40}
.epgsi-qr-card{padding:28px;position:sticky;top:22px;text-align:center}
.epgsi-qr-card .epgsi-eyebrow{margin-bottom:9px}
.epgsi-qr-card h2{font-size:22px;max-width:290px;margin:0 auto 10px}
.epgsi-qr-card>p:not(.epgsi-eyebrow){font-size:13px;color:var(--epgsi-muted);line-height:1.6}
.epgsi-qr-frame{margin:20px auto 22px;width:min(250px,100%);aspect-ratio:1;display:grid;place-items:center;border-radius:18px;background:#fff;border:1px solid #eae5ed;padding:15px}
.epgsi-qr-frame svg{display:block;width:100%;height:auto;aspect-ratio:1;image-rendering:pixelated}
.epgsi-copy-wrap{display:flex;border:1px solid #ded6e3;background:#faf8fc;border-radius:13px;padding:5px;gap:4px}
.epgsi-copy-wrap input{width:100%;min-width:0;font-size:11px;color:#655875;background:none;border:0;padding:6px 8px}
.epgsi-copy-wrap button{background:#ece1f4;border:0;border-radius:9px;color:#684a80;font-size:12px;font-weight:750;padding:7px 12px}
.epgsi-qr-note{font-size:11px!important;margin:16px 0 0}
.epgsi-footer{text-align:center;margin:55px 0 0;padding-top:20px;border-top:1px solid rgba(75,54,90,.09);font-size:12px;color:#938799}
@media(max-width:820px){.epgsi-header{margin-bottom:40px}.epgsi-main{grid-template-columns:1fr;gap:25px}.epgsi-qr-card{position:static;max-width:650px}.epgsi-qr-frame{max-width:220px}.epgsi-layout{max-width:680px}}
@media(max-width:550px){h1{font-size:clamp(32px,8.5vw,44px)}.epgsi-layout{padding:17px 16px}.epgsi-brand{font-size:13px}.epgsi-brand img,.epgsi-brand-placeholder{width:37px;height:37px}.epgsi-header-link{font-size:12px}.epgsi-benefits{gap:7px;margin-bottom:25px}.epgsi-benefits>span{font-size:11px;padding:5px 9px}.epgsi-install-card{border-radius:21px}.epgsi-qr-card{display:none}.epgsi-actions{margin-top:16px}.epgsi-footer{margin-top:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* PWA03.4: reversible install confirmation, independent of the theme. */
.epgsi-installed-toggle{display:block;margin:14px auto 0;padding:8px 6px;background:transparent;border:0;color:#635078;text-decoration:underline;text-underline-offset:3px;font-size:12px;font-weight:600}
.epgsi-installed-toggle[hidden]{display:none}

.epgsi-updates-link{font-size:.88rem;margin:18px 0 0}.epgsi-updates-link a{color:#684486;text-underline-offset:4px}