:root {
  --bg: #f6f5f1;
  --paper: #ffffff;
  --ink: #111111;
  --muted: #6d6d68;
  --line: #deded8;
  --accent: #d9ff4a;
  --accent-dark: #173000;
  --soft: #ecece6;
  --shadow: 0 20px 60px rgba(0,0,0,.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: 'DM Sans', sans-serif; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(246,245,241,.92); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(0,0,0,.06); }
.nav { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.brand { font-family: 'Space Grotesk'; font-weight: 700; font-size: 19px; display: flex; gap: 10px; align-items: center; }
.brand-mark { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; background: var(--accent); color: var(--accent-dark); }
.nav-link { font-weight: 700; font-size: 14px; }
.hero { padding: 92px 0 76px; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 70px; }
.eyebrow, .section-kicker { letter-spacing: .12em; font-size: 12px; font-weight: 800; }
.hero h1, h2 { font-family: 'Space Grotesk', sans-serif; }
.hero h1 { font-size: clamp(50px, 6vw, 82px); line-height: .98; max-width: 850px; margin: 16px 0 22px; letter-spacing: -.045em; }
.hero h1 span { background: var(--accent); padding: 0 .08em; }
.hero-copy { max-width: 640px; color: var(--muted); font-size: 19px; }
.primary-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; border: 0; cursor: pointer; font-weight: 800; border-radius: 14px; transition: transform .15s ease, box-shadow .15s ease; }
.primary-btn { padding: 15px 20px; background: var(--ink); color: white; box-shadow: 0 12px 25px rgba(0,0,0,.15); }
.primary-btn:hover, .secondary-btn:hover { transform: translateY(-2px); }
.hero .primary-btn { margin-top: 24px; }
.trust-row { display: flex; gap: 20px; margin-top: 20px; color: var(--muted); font-size: 13px; font-weight: 600; }
.hero-card { background: var(--paper); border: 1px solid var(--line); border-radius: 30px; padding: 30px; box-shadow: var(--shadow); transform: rotate(1deg); }
.mini-label { font-size: 11px; letter-spacing: .15em; font-weight: 800; color: var(--muted); }
.mini-title { font-family: 'Space Grotesk'; font-size: 25px; font-weight: 700; margin: 8px 0 22px; }
.mini-line { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.mini-line strong { color: var(--ink); }
.mini-result { margin-top: 22px; padding: 20px; background: var(--accent); border-radius: 18px; display: flex; justify-content: space-between; align-items: end; gap: 16px; }
.mini-result span { font-weight: 700; font-size: 13px; }
.mini-result b { font-family: 'Space Grotesk'; font-size: 30px; }
.mini-profit { text-align: right; margin-top: 10px; font-size: 13px; color: var(--muted); }
.calculator-section { padding: 85px 0; background: #111; color: white; }
.calc-layout { display: grid; grid-template-columns: 1fr 380px; gap: 45px; align-items: start; }
.calculator-section h2 { font-size: 44px; line-height: 1; margin: 12px 0; letter-spacing: -.035em; }
.muted { color: #aaa; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 18px; }
label > span { display: block; font-size: 13px; color: #c8c8c4; font-weight: 700; margin-bottom: 8px; }
.input-wrap { display: flex; align-items: center; background: #1b1b1b; border: 1px solid #3b3b3b; border-radius: 12px; padding: 0 13px; }
.input-wrap span { color: #8f8f8b; font-weight: 700; }
.input-wrap input { min-width: 0; width: 100%; background: transparent; border: 0; outline: 0; color: white; padding: 14px 10px; font-size: 17px; }
.presets { margin-top: 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: #999; }
.presets button { background: transparent; color: white; border: 1px solid #3b3b3b; border-radius: 999px; padding: 7px 11px; cursor: pointer; }
.presets button:hover { background: #222; }
.calc-btn { margin-top: 24px; width: 100%; background: var(--accent); color: #111; box-shadow: none; }
.form-error { margin: 12px 0 0; color: #ff8d8d; font-size: 13px; }
.result-panel { background: var(--accent); color: #111; border-radius: 26px; padding: 26px; position: sticky; top: 95px; box-shadow: 0 25px 60px rgba(0,0,0,.18); }
.result-top { display: flex; align-items: center; justify-content: space-between; font-weight: 900; font-size: 11px; letter-spacing: .12em; }
.result-badge { background: #111; color: white; padding: 6px 9px; border-radius: 999px; }
.big-price { font-family: 'Space Grotesk'; font-weight: 700; font-size: 66px; line-height: 1; margin-top: 35px; letter-spacing: -.04em; }
.price-caption { font-size: 14px; font-weight: 700; margin-top: 4px; color: #384000; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.result-grid > div { background: rgba(255,255,255,.42); border-radius: 14px; padding: 14px; }
.result-grid span { display: block; font-size: 11px; color: #4d5200; text-transform: uppercase; letter-spacing: .07em; font-weight: 800; }
.result-grid strong { display: block; margin-top: 4px; font-size: 17px; }
.formula-note { margin-top: 16px; font-size: 12px; color: #4d5200; }
.why-section { padding: 90px 0; }
.narrow { max-width: 1000px; }
.why-section h2, .offer h2, .cta h2 { font-size: 46px; line-height: 1; max-width: 720px; margin: 12px 0 28px; letter-spacing: -.04em; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cards article { background: white; border: 1px solid var(--line); border-radius: 20px; padding: 24px; }
.icon { width: 42px; height: 42px; display: grid; place-items: center; background: var(--soft); border-radius: 12px; font-weight: 900; font-size: 12px; }
.cards h3 { margin: 30px 0 8px; font-family: 'Space Grotesk'; font-size: 21px; }
.cards p { margin: 0; color: var(--muted); font-size: 14px; }
.offer-section { padding: 90px 0; background: white; }
.offer { display: grid; grid-template-columns: 1fr 330px; gap: 60px; align-items: center; }
.offer p { color: var(--muted); max-width: 680px; font-size: 17px; }
.offer-list { display: flex; flex-wrap: wrap; gap: 10px 20px; font-weight: 700; font-size: 14px; }
.offer-box { border: 1px solid var(--line); border-radius: 22px; padding: 26px; background: var(--bg); text-align: center; }
.offer-price { font-family: 'Space Grotesk'; font-size: 60px; font-weight: 700; line-height: 1; }
.offer-small { color: var(--muted); font-size: 13px; margin: 6px 0 22px; }
.full { width: 100%; }
.offer-box small { display: block; color: var(--muted); margin-top: 12px; font-size: 11px; }
code { font-family: monospace; }
.cta-section { padding: 45px 0; }
.cta { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta h2 { margin-bottom: 0; font-size: 34px; }
.secondary-btn { background: transparent; border: 1px solid var(--ink); padding: 13px 18px; }
footer { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; }
@media (max-width: 850px) {
  .hero-grid, .calc-layout, .offer { grid-template-columns: 1fr; }
  .hero { padding-top: 65px; }
  .hero-card { max-width: 600px; }
  .result-panel { position: static; }
  .cards { grid-template-columns: 1fr; }
  .offer-box { max-width: 420px; }
}
@media (max-width: 600px) {
  .container { width: min(100% - 28px, 1120px); }
  .nav { height: 62px; }
  .nav-link { font-size: 12px; }
  .hero h1 { font-size: 48px; }
  .field-row { grid-template-columns: 1fr; }
  .calculator-section h2, .why-section h2, .offer h2 { font-size: 37px; }
  .big-price { font-size: 54px; }
  .cta { align-items: flex-start; flex-direction: column; }
  .footer-inner { flex-direction: column; gap: 8px; }
}