/* Public pages for familytree.mervinc.com: the landing page, features and privacy.
   Static HTML so search engines read them; the app itself lives behind /login and /trees. */
:root{
  --forest:#173F27; --leaf:#3E8E4A; --leaf-soft:#E3F1E4; --paper:#FBFBF8; --mist:#EEF3EE;
  --ink:#1B231E; --ink-2:#4A5650; --line:#D6DED7; --amber:#B9781C; --amber-soft:#FFF4DF;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{--forest:#CFE9D3;--leaf:#7CC487;--leaf-soft:#18301E;--paper:#0F1512;--mist:#151E18;--ink:#E6EEE7;--ink-2:#A9B7AD;--line:#2A3A2F;--amber:#E8B35A;--amber-soft:#2B2414}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 var(--sans)}
a{color:var(--leaf)}
a:hover{color:var(--forest)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
img{max-width:100%;height:auto;display:block}

.top{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:5}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font:700 1.2rem var(--serif);color:var(--forest);text-decoration:none}
.brand img{width:30px;height:30px}
.top nav{margin-left:auto;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.top nav a{color:var(--ink-2);text-decoration:none;font-size:.95rem}
.top nav a:hover,.top nav a[aria-current]{color:var(--forest)}
.btn{display:inline-block;padding:.7rem 1.2rem;border-radius:10px;font-weight:650;text-decoration:none;border:2px solid var(--leaf);line-height:1.2}
.btn-solid{background:var(--leaf);color:#fff}
.btn-solid:hover{background:var(--forest);border-color:var(--forest);color:var(--paper)}
.btn-line{color:var(--leaf);background:transparent}
.btn-line:hover{background:var(--leaf-soft);color:var(--forest)}
.top .btn{padding:.45rem .9rem;font-size:.92rem}
#open-app[hidden]{display:none}

h1,h2,h3{font-family:var(--serif);color:var(--forest);line-height:1.15;margin:0}
h1{font-size:clamp(2.3rem,5.4vw,3.9rem);letter-spacing:-.01em;max-width:15ch}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem);max-width:24ch}
h3{font-size:1.2rem}
.lede{font-size:1.18rem;color:var(--ink-2);max-width:56ch;margin:1.1rem 0 0}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6rem}
.note{font-size:.88rem;color:var(--ink-2);margin-top:.8rem}

.hero{padding:64px 0 40px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:40px;align-items:center}
.hero-art{position:relative}
.hero-art svg{width:100%;height:auto}
.hero-art .e{fill:none;stroke:var(--leaf);stroke-width:2;stroke-linecap:round;stroke-dasharray:240;stroke-dashoffset:240;animation:draw 1.6s ease forwards}
.hero-art .s{stroke:var(--amber);stroke-dasharray:4 4;animation:none;stroke-dashoffset:0}
.hero-art .n rect{fill:var(--paper);stroke:var(--line);stroke-width:1.5}
.hero-art .n.f rect{stroke:#D98BA6}.hero-art .n.m rect{stroke:#7DA7D9}
.hero-art .n text{font:600 10px var(--sans);fill:var(--ink)}
.hero-art .n .y{font-weight:400;fill:var(--ink-2);font-size:8.5px}
.hero-art .n{opacity:0;animation:pop .5s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{to{opacity:1}}
@media (prefers-reduced-motion:reduce){.hero-art .e{animation:none;stroke-dashoffset:0}.hero-art .n{animation:none;opacity:1}}

.shot{margin:8px 0 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(23,63,39,.45)}
.shot figcaption{padding:.7rem 1rem;font-size:.9rem;color:var(--ink-2);background:var(--mist);border-top:1px solid var(--line)}

section.band{padding:72px 0;border-top:1px solid var(--line)}
section.band.alt{background:var(--mist)}
.band-head p{color:var(--ink-2);max-width:62ch;margin:.8rem 0 0}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:2rem;list-style:none;padding:0}
.grid li{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:1.2rem 1.25rem}
.alt .grid li{background:var(--paper)}
.grid h3{margin-bottom:.45rem}
.grid p{margin:0;color:var(--ink-2);font-size:.97rem}
.grid .k{display:inline-block;font-size:.75rem;font-weight:700;color:var(--amber);background:var(--amber-soft);border-radius:999px;padding:.1rem .55rem;margin-bottom:.6rem}

.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start;margin-top:1.6rem}
.two p{color:var(--ink-2);margin:0 0 1rem}
.steps{counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;position:relative;padding:0 0 1.1rem 3rem}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:2rem;height:2rem;border-radius:50%;display:grid;place-items:center;background:var(--leaf);color:#fff;font-weight:700}
.steps strong{display:block;color:var(--ink)}
.steps span{color:var(--ink-2)}

.demo{background:var(--amber-soft);border:1px solid var(--amber);border-radius:14px;padding:1.5rem 1.6rem;display:grid;grid-template-columns:minmax(0,1.4fr) auto;gap:20px;align-items:center}
.demo h2{font-size:1.6rem}
.demo p{margin:.5rem 0 0;color:var(--ink-2)}
.demo code{font-size:.95rem;background:var(--paper);border:1px solid var(--line);padding:.1rem .4rem;border-radius:6px;color:var(--ink)}

details{border-bottom:1px solid var(--line);padding:1rem 0}
details summary{cursor:pointer;font-weight:650;color:var(--ink)}
details p{color:var(--ink-2);margin:.6rem 0 0;max-width:70ch}
.faq{max-width:820px;margin-top:1.4rem}

.page-head{padding:56px 0 24px}
.prose{max-width:760px}
.prose h2{margin:2.2rem 0 .6rem;font-size:1.6rem}
.prose p,.prose li{color:var(--ink-2)}
.prose li{margin:.35rem 0}

.foot{border-top:1px solid var(--line);padding:32px 0 48px;color:var(--ink-2);font-size:.92rem}
.foot .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center}
.foot nav{display:flex;flex-wrap:wrap;gap:12px 20px}
.foot a{color:var(--ink-2)}
.foot .by{margin-left:auto}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:40px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .two,.demo{grid-template-columns:1fr}
}
@media (max-width:600px){
  .grid{grid-template-columns:1fr}
  .top nav a.hide-sm{display:none}
  section.band{padding:52px 0}
  .foot .by{margin-left:0}
}