/* Shared reset, layout helpers, nav behaviour and the product mock used by both homepage directions. */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#fff;color:#1C2430;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:#1F5A8A}
a:hover{color:#D9541E}
h1,h2,h3,p,ul,blockquote{margin:0}
button{font:inherit;color:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Nav toggle (mobile only) */
.nav-toggle{display:none;align-items:center;justify-content:center;gap:8px;background:none;border:1px solid #D6D1C7;border-radius:10px;padding:10px 14px;font-weight:600;cursor:pointer}
.nav-menu{display:contents}
@media (max-width:900px){
  .nav{flex-wrap:wrap}
  .nav-toggle{display:inline-flex}
  .nav-menu{display:none;flex-basis:100%;flex-direction:column;gap:20px;padding-top:20px}
  .nav.is-open .nav-menu{display:flex}
  .nav-links,.nav-actions{flex-direction:column;align-items:flex-start;gap:16px}
}

/* Product mock: rendered at its natural size, then scaled to fit its wrapper via --mock-scale (set by js/site.js). */
.mock-wrap{--mock-scale:1;--mock-w:760px;--mock-side-w:230px;--mock-main-pad:24px;position:relative;width:100%;height:calc(600px * var(--mock-scale))}
.mock{position:absolute;top:0;left:0;width:var(--mock-w);height:600px;transform:scale(var(--mock-scale));transform-origin:top left;overflow:hidden;background:#fff;display:flex;flex-direction:column;font-family:ui-sans-serif,system-ui,sans-serif;font-size:14px;line-height:normal;color:#0a0a0a;text-align:left}
.mock-top{display:flex;align-items:center;justify-content:space-between;background:#4A7BA7;padding:16px 24px;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.mock-top-left,.mock-top-right{display:flex;align-items:center;gap:16px}
.mock-top-left img{height:40px;width:40px;background:#fff;border-radius:6px;padding:2px}
.mock-school{font-size:18px;font-weight:600;color:#fff}
.mock-school span{font-size:16px;font-weight:400;color:rgba(255,255,255,.7)}
.mock-tagline{font-size:14px;color:rgba(255,255,255,.8)}
.mock-feedback{border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.2);color:#fff;padding:8px 16px;border-radius:8px;font-weight:500}
.mock-avatar{width:36px;height:36px;border-radius:999px;background:#fff;color:#4A7BA7;display:flex;align-items:center;justify-content:center;font-weight:600}
.mock-body{display:flex;flex:1;min-height:0}
.mock-side{width:var(--mock-side-w);border-right:1px solid #e5e5e5;background:#fff;display:flex;flex-direction:column;padding:16px 16px 8px;gap:8px;flex:none}
.mock-search{border:1px solid #e5e5e5;border-radius:8px;padding:8px 12px 8px 36px;color:#737373;position:relative}
.mock-search::before{content:"";position:absolute;left:12px;top:9px;width:12px;height:12px;border:2px solid #737373;border-radius:999px}
.mock-new{height:36px;display:flex;align-items:center;gap:8px;padding:0 12px;white-space:nowrap;overflow:hidden;background:#E8863A;color:#fff;border-radius:8px;font-weight:500}
.mock-chat{height:36px;display:flex;align-items:center;padding:0 12px;border-radius:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mock-chat.is-active{background:#f5f5f5}
.mock-main{flex:1;display:flex;flex-direction:column;padding:16px var(--mock-main-pad) 8px;gap:12px;min-width:0}
.mock-user{display:flex;justify-content:flex-end}
.mock-user div{max-width:78%;background:#f5f5f5;border-radius:16px;padding:10px 16px;line-height:1.5}
.mock-reply{padding:0 8px;line-height:1.6}
.mock-reply p{margin:0 0 8px}
.mock-reply p:last-child{margin:8px 0 0}
.mock-reply ul{margin:0;padding-left:20px}
.mock-composer{margin-top:auto;border:1px solid #e5e5e5;border-radius:16px;padding:10px 12px 8px;display:flex;flex-direction:column;gap:8px}
.mock-placeholder{color:#737373;padding:4px 8px}
.mock-composer-row{display:flex;justify-content:space-between;align-items:center;padding:0 4px}
.mock-attach{color:#737373;font-size:18px}
.mock-send{width:32px;height:32px;border-radius:999px;background:#171717;color:#fff;display:flex;align-items:center;justify-content:center}
.mock-motto{text-align:center;color:#4A7BA7;font-size:13px;padding:2px 0}