:root{
  --bg:#fbf8f2;
  --ink:#1f1b16;
  --muted:#6b5e53;
  --paper:#ffffff;
  --line:#efe7dc;
  --accent:#6b7b5a;
  --accent2:#9c6b3f;
  --shadow: 0 10px 30px rgba(31,27,22,.08);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  /* Big Tree of Life background (soft + ceremonial) */
  background:
    url("tree_of_life.svg") center 120px / min(1100px, 92vw) no-repeat,
    radial-gradient(1200px 700px at 70% -10%, rgba(107,123,90,.14), transparent 60%),
    radial-gradient(900px 600px at 10% 10%, rgba(156,107,63,.10), transparent 60%),
    var(--bg);
  color:var(--ink);
  line-height:1.5;
}

a{color:inherit}
.container{max-width:1100px;margin:0 auto;padding:0 18px}
.section{padding:56px 0}
.hr{height:1px;background:var(--line);margin:18px 0}

.nav{
  position:sticky;top:0;z-index:50;
  background: rgba(251,248,242,.85);
  backdrop-filter: blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none}
.logo{
  width:40px;height:40px;border-radius:12px;
  box-shadow: var(--shadow);
  overflow:hidden;
}
.logo img{width:100%;height:100%;display:block}
.brand strong{display:block;letter-spacing:.2px}
.brand span{display:block;font-size:12px;color:var(--muted)}

.nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.nav-links a{font-size:14px;text-decoration:none;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}

.lang{display:flex;gap:6px;border:1px solid var(--line);padding:4px;border-radius:999px;background:rgba(255,255,255,.6)}
.lang button{
  border:0;background:transparent;padding:6px 10px;border-radius:999px;
  font-size:12px;color:var(--muted);cursor:pointer
}
.lang button.active{background:var(--ink);color:#fff}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.65);
  text-decoration:none;
  font-weight:600;
  font-size:14px;
  box-shadow: 0 6px 18px rgba(31,27,22,.06);
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg, var(--accent), var(--accent2)); color:#fff; border:0}

.hero{
  padding:86px 0 40px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:18px;
}
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
}
.card{
  background: rgba(255,255,255,.74);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}
.hero h1{margin:0 0 10px;font-size:44px;line-height:1.07;letter-spacing:-.6px}
.hero p{margin:0;color:var(--muted);font-size:16px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

.pill{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.62);
  margin-top:10px;
}
.pill small{color:var(--muted);display:block}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
@media (max-width: 900px){
  .grid-3{grid-template-columns:1fr}
}
.feature h3{margin:0 0 6px}
.feature p{margin:0;color:var(--muted)}

.split{display:grid;grid-template-columns: 1fr 1fr; gap:14px}
@media (max-width: 900px){.split{grid-template-columns:1fr}}

.notice{
  font-size:13px;color:var(--muted);
  background:rgba(107,123,90,.08);
  border:1px solid rgba(107,123,90,.20);
  padding:12px;border-radius:14px;
}

form label{display:block;margin-top:10px;font-weight:700;font-size:13px}
input,select,textarea{
  width:100%;padding:10px 12px;border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.82);
  font-size:14px;outline:none;
}
textarea{min-height:110px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr; gap:10px}
@media (max-width: 900px){.form-row{grid-template-columns:1fr}}

.faq details{border-top:1px solid var(--line);padding:12px 0}
.faq details:first-child{border-top:0}
.faq summary{cursor:pointer;font-weight:800}
footer{padding:28px 0 34px;color:var(--muted);font-size:14px}