:root {
  --green: #1F4D3A; --green-2: #2F6B51; --mint: #9FD9AE; --mint-soft: #E3F3E7;
  --bg: #F6F7F2; --card: #FFFFFF; --ink: #13201A; --muted: #56635A; --line: #DCE3DA;
  --head: "Bricolage Grotesque", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0B120E; --card: #121C16; --ink: #E6EEE8; --muted: #9DAEA3; --line: #24342A; --mint-soft: #16261C; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--head); line-height: 1.08; margin: 0; letter-spacing: -0.01em; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.top { position: absolute; inset: 0 0 auto 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; max-width: 1120px; margin: 0 auto; padding: 18px 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; font: 800 24px/1 var(--head); }
.brand img { border-radius: 10px; }
.lang { font: 600 14px/1 Inter, sans-serif; color: #fff; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); padding: 8px 14px; border-radius: 999px; cursor: pointer; }

.hero { background: var(--green); color: #fff; padding: 96px 20px 72px; overflow: hidden; }
.hero-in { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.pill { display: inline-block; margin: 0 0 18px; padding: 6px 14px; border-radius: 999px; background: rgba(159,217,174,.16); color: var(--mint); font-size: 14px; font-weight: 600; }
.hero h1 { font-size: clamp(40px, 7vw, 76px); font-weight: 800; }
.sub { font-size: clamp(18px, 2.2vw, 21px); color: rgba(255,255,255,.82); max-width: 34ch; margin: 18px 0 28px; }
.fine { font-size: 14px; color: rgba(255,255,255,.62); margin: 10px 0 0; }

.join { display: flex; flex-wrap: wrap; gap: 10px; max-width: 520px; }
.join input { flex: 1 1 240px; min-width: 0; font: inherit; padding: 15px 18px; border-radius: 14px; border: 2px solid transparent; background: #fff; color: #13201A; }
.join input:focus { outline: none; border-color: var(--mint); }
.join button { flex: 0 0 auto; font: 700 16px/1 Inter, sans-serif; padding: 0 22px; min-height: 54px; border: 0; border-radius: 14px; background: var(--mint); color: var(--green); cursor: pointer; transition: transform .15s; }
.join button:hover { transform: translateY(-1px); }
.join button:disabled { opacity: .6; cursor: default; transform: none; }
.msg { flex-basis: 100%; margin: 2px 0 0; font-size: 15px; min-height: 1.4em; }
.msg.ok { color: var(--mint); font-weight: 600; }
.msg.err { color: #FFB4A8; }
.join.done input, .join.done button { display: none; }

.hero-art { position: relative; justify-self: center; width: min(100%, 420px); }
.map { width: 100%; height: auto; display: block; border-radius: 40px; box-shadow: 0 30px 80px rgba(0,0,0,.35), 0 0 0 1px rgba(255,255,255,.08); }
.walk { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 3.2s .4s ease-in-out forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.stat { position: absolute; display: flex; flex-direction: column; padding: 10px 16px; border-radius: 16px; background: #fff; color: var(--ink); box-shadow: 0 12px 30px rgba(0,0,0,.25); font-size: 13px; color: #56635A; }
.stat b { font: 800 26px/1.1 var(--head); color: var(--green); }
.s1 { left: -18px; bottom: 36px; }
.s2 { right: -12px; top: 30px; }

section { padding: 80px 20px; }
section > h2 { max-width: 1120px; margin: 0 auto 32px; font-size: clamp(30px, 4.5vw, 46px); font-weight: 800; }

.steps { list-style: none; padding: 0; margin: 0 auto; max-width: 1120px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 28px; }
.n { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--mint-soft); color: var(--green-2); font: 800 20px/1 var(--head); margin-bottom: 16px; }
@media (prefers-color-scheme: dark) { .n { color: var(--mint); } }
.steps h3, .f h3 { font-size: 22px; font-weight: 600; margin-bottom: 8px; }
.steps p, .f p { margin: 0; color: var(--muted); }

.feat { padding-top: 0; }
.grid { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.f { padding: 4px 4px 0; }
.ic { display: block; font-size: 30px; margin-bottom: 10px; }

.promise { background: var(--mint-soft); }
.promise ul { list-style: none; padding: 0; margin: 0 auto; max-width: 1120px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.promise li { font-size: 18px; color: var(--muted); }
.promise li b { display: block; font: 800 24px/1.2 var(--head); color: var(--ink); margin-bottom: 6px; }

.cta2 { text-align: center; }
.cta2 h2 { font-size: clamp(32px, 5vw, 52px); font-weight: 800; margin: 0 auto 12px; }
.cta2 > p { color: var(--muted); margin: 0 auto 26px; max-width: 46ch; font-size: 18px; }
.cta2 .join { margin: 0 auto; justify-content: center; }
.cta2 .join input { border-color: var(--line); }
.cta2 .join input:focus { border-color: var(--green-2); }
.cta2 .join button { background: var(--green); color: #fff; }
.cta2 .msg.ok { color: var(--green-2); }
.cta2 .msg.err { color: #B3261E; }
@media (prefers-color-scheme: dark) {
  .cta2 .join button { background: var(--mint); color: var(--green); }
  .cta2 .msg.ok { color: var(--mint); } .cta2 .msg.err { color: #FFB4A8; }
}

.foot { border-top: 1px solid var(--line); text-align: center; padding: 28px 20px 40px; color: var(--muted); font-size: 15px; }
.foot p { margin: 4px 0; }
.foot .small { font-size: 13px; }

@media (max-width: 860px) {
  .hero { padding: 84px 16px 56px; }
  .hero-in { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { width: min(100%, 340px); }
  .steps, .promise ul { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr 1fr; }
  section { padding: 60px 16px; }
  .top { padding: 16px; }
  .s1 { left: -8px; } .s2 { right: -6px; }
}
@media (max-width: 420px) {
  .grid { grid-template-columns: 1fr; }
  .join button { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) { .walk { animation: none; stroke-dashoffset: 0; } }