:root { --bg: #F6F1E7; --ink: #1E2A27; --green: #1E3A34; --rust: #A63D17; --card: #FFFFFF; --soft: #E8E0D0; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main[hidden] { display: none; }
.bar { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; max-width: 960px; margin: 0 auto; }
.mark { font-weight: 800; color: var(--green); }
.mark small { font-weight: 500; opacity: .7; }
.langs button { background: none; border: 1px solid var(--green); color: var(--green); font: inherit; font-weight: 700; padding: 4px 10px; margin-left: 6px; border-radius: 8px; cursor: pointer; }
.langs button[aria-pressed="true"] { background: var(--green); color: #fff; }
section, footer { max-width: 960px; margin: 0 auto; padding: 28px 16px; }
.hero { padding-top: 40px; padding-bottom: 48px; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.1; margin: 0 0 18px; color: var(--green); letter-spacing: -0.02em; }
h1 em { font-style: normal; color: var(--rust); }
h2 { font-size: 1.5rem; margin: 0 0 16px; color: var(--green); }
.lead { font-size: 1.2rem; max-width: 40em; margin: 0 0 24px; }
.btn { display: inline-block; background: var(--rust); color: #fff; text-decoration: none; font-weight: 700; padding: 13px 20px; border-radius: 12px; margin: 0 8px 10px 0; }
.btn.ghost { background: transparent; color: var(--green); border: 2px solid var(--green); }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.col { background: var(--card); border-radius: 16px; padding: 18px; display: flex; flex-direction: column; gap: 4px; }
.col .big { font-size: 2.4rem; font-weight: 800; line-height: 1.1; }
.col.bad .big { color: var(--rust); }
.col.good { outline: 3px solid var(--green); }
.col.good .big { color: var(--green); }
.small { font-size: .92rem; opacity: .8; }
.features ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.features li { background: var(--card); border-radius: 16px; padding: 18px; display: flex; flex-direction: column; gap: 6px; }
.features li b { color: var(--green); font-size: 1.05rem; }
.steps ol { margin: 0; padding-left: 22px; }
.steps li { margin-bottom: 10px; }
.demo { background: var(--green); color: #fff; border-radius: 20px; margin-top: 12px; margin-bottom: 12px; }
.demo h2 { color: #fff; }
.demo a { color: #fff; font-weight: 700; }
.contact { text-align: center; }
footer { border-top: 1px solid var(--soft); text-align: center; padding-bottom: 40px; }
@media (max-width: 560px) { .cols { grid-template-columns: 1fr; } .demo { border-radius: 0; } }