/* Shared styles for the marketing pages (pro.html, privacy.html, calculator.html).
   Plain CSS: no framework, no CDN. */
:root { --bg:#0a0a0a; --fg:#fff; --muted:#9ca3af; --dim:#6b7280; --line:rgba(255,255,255,0.12);
  --card:rgba(20,20,20,0.85); --accent:#10b981; --warn:#f59e0b; }
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; padding-top:56px; }
main { max-width:720px; margin:0 auto; padding:40px 16px 64px; }
h1 { font-size:clamp(30px,8vw,42px); line-height:1.15; margin:0 0 12px; font-weight:900; }
h2 { font-size:20px; margin:0 0 12px; }
p, li { color:#d1d5db; }
a { color:var(--accent); }
.lead { font-size:18px; color:#e5e7eb; }
.muted { color:var(--muted); font-size:14px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:18px; padding:20px; margin:20px 0; }
.status { border-left:4px solid var(--warn); }
ul.features { padding-left:20px; margin:0; }
ul.features li { margin:8px 0; }
.tag { display:inline-block; font-size:11px; font-weight:700; letter-spacing:.5px; text-transform:uppercase;
  padding:2px 8px; border-radius:999px; margin-right:6px; vertical-align:2px; }
.tag-free { background:rgba(16,185,129,.15); color:var(--accent); border:1px solid rgba(16,185,129,.4); }
.tag-planned { background:rgba(245,158,11,.12); color:var(--warn); border:1px solid rgba(245,158,11,.4); }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:0 22px; border-radius:14px;
  font-weight:700; font-size:15px; text-decoration:none; border:1px solid rgba(255,255,255,.15); margin:6px 8px 6px 0; }
.btn-primary { background:var(--accent); color:#fff; }
.btn-ghost { background:rgba(255,255,255,.06); color:#fff; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline:3px solid #60a5fa; outline-offset:2px; }
button.linkish { background:none; border:none; color:var(--accent); text-decoration:underline; font:inherit; cursor:pointer; padding:0; }
footer { max-width:720px; margin:0 auto; padding:0 16px 48px; color:var(--dim); font-size:13px; }
[hidden] { display:none !important; }