/* Festchat public site. Layout: one centered reading column; the home page adds a two-column hero. */
:root {
  --bg: #F2F2F7; --surface: #FFFFFF; --ink: #1C1C1E; --muted: #5E5E66; --line: #DADAE0;
  --accent: #007AFF; --accent-soft: #E6F0FF; --mesh: #248A3D;
  --display: "Space Grotesk", -apple-system, "SF Pro Display", system-ui, sans-serif;
  --body: "Inter", -apple-system, "SF Pro Text", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0F1012; --surface: #1C1C1F; --ink: #F2F2F5; --muted: #A4A4AE; --line: #34343A;
  --accent: #4DA3FF; --accent-soft: #15253D; --mesh: #4CD872; color-scheme: dark } }
:root[data-theme="dark"] {
  --bg: #0F1012; --surface: #1C1C1F; --ink: #F2F2F5; --muted: #A4A4AE; --line: #34343A;
  --accent: #4DA3FF; --accent-soft: #15253D; --mesh: #4CD872; color-scheme: dark }

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: 760px; margin: 0 auto; padding-block: 28px 64px; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.wrap.wide { max-width: 1040px; }
nav.top { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 36px; }
.brand { display: flex; align-items: center; gap: 10px; font: 700 19px var(--display); color: var(--ink); text-decoration: none; margin-right: auto; }
.brand i { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); display: grid; place-items: center; color: #fff; font-style: normal; font-size: 16px; }
nav.top a:not(.brand) { color: var(--muted); text-decoration: none; font-weight: 500; }
nav.top a[aria-current] { color: var(--ink); }
h1 { font-family: var(--display); font-size: clamp(32px, 6vw, 52px); line-height: 1.05; letter-spacing: -.02em; margin: 0 0 14px; text-wrap: balance; }
h2 { font-family: var(--display); font-size: 22px; letter-spacing: -.01em; margin: 40px 0 8px; text-wrap: balance; }
h3 { font-size: 16px; margin: 22px 0 4px; }
p, li { color: var(--muted); max-width: 68ch; }
p strong, li strong { color: var(--ink); }
ul { padding-left: 20px; }
li { margin: 6px 0; }
.lede { font-size: 19px; color: var(--muted); }
.meta { font-size: 14px; color: var(--muted); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; }
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin: 22px 0 8px; }
.summary .card b { display: block; font-family: var(--display); font-size: 16px; margin-bottom: 4px; color: var(--ink); }
.summary .card p { margin: 0; font-size: 14.5px; }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; margin-top: 10px; }
.hero > * { min-width: 0; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 18px; border-radius: 12px; font-weight: 600; text-decoration: none; background: var(--accent); color: #fff; }
.btn.ghost { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.phone { justify-self: center; width: min(290px, 100%); aspect-ratio: 9 / 15; border-radius: 44px; background: var(--surface); border: 10px solid var(--ink); padding: 16px 12px; display: flex; flex-direction: column; gap: 10px; box-shadow: 0 30px 60px rgba(0,0,0,.15); }
.bubble { padding: 9px 13px; border-radius: 18px; font-size: 13.5px; line-height: 1.35; max-width: 82%; }
.bubble.them { background: var(--bg); color: var(--ink); align-self: flex-start; }
.bubble.me { background: var(--accent); color: #fff; align-self: flex-end; }
.chip { align-self: center; font-size: 11.5px; font-weight: 600; color: var(--mesh); background: var(--bg); padding: 4px 10px; border-radius: 999px; }
.phone .title { font: 700 15px var(--display); text-align: center; color: var(--ink); }
.phone .sub { font-size: 11.5px; text-align: center; color: var(--muted); margin-top: -8px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin-top: 44px; }
.features .card b { display: block; font-family: var(--display); font-size: 17px; margin-bottom: 4px; }
.features .card p { margin: 0; font-size: 15px; }
footer { margin-top: 56px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 16px; font-size: 14px; color: var(--muted); }
footer a { color: var(--muted); }
@media (max-width: 760px) { .hero { grid-template-columns: 1fr; } .phone { margin-top: 10px; } }
@media (prefers-reduced-motion: no-preference) { .btn { transition: filter .15s; } .btn:hover { filter: brightness(1.08); } }