:root {
  --ink: #1f1f21;
  --paper: #f7f7f2;
  --white: #ffffff;
  --green: #73ef6b;
  --green-dark: #39773b;
  --muted: #66666b;
  --line: #d7d7cf;
  --danger: #8b2f2f;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header { background: var(--ink); color: var(--white); border-bottom: 1px solid #353538; }
.site-header .shell { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: 92px; height: 92px; object-fit: contain; }
.nav { display: flex; flex-wrap: wrap; gap: 22px; font-weight: 700; }
.nav a { text-decoration: none; }
.nav a:hover, .nav a:focus-visible { color: var(--green); }
.hero { background: var(--ink); color: var(--white); padding: 74px 0 84px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--green); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.05; margin-top: 0; }
h1 { font-size: clamp(2.7rem, 7vw, 5.6rem); max-width: 12ch; margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { font-size: 1.35rem; }
.lede { font-size: 1.18rem; max-width: 58ch; color: #e5e5e0; }
.form-card { background: var(--white); color: var(--ink); padding: 30px; border-radius: var(--radius); box-shadow: var(--shadow); }
.form-card label { display: block; font-weight: 800; margin-bottom: 8px; }
.form-row { display: flex; gap: 10px; }
input[type="email"] { min-width: 0; flex: 1; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; font: inherit; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 12px 18px; border: 0; border-radius: 10px; background: var(--green); color: #111; font: inherit; font-weight: 900; text-decoration: none; cursor: pointer; }
.button:hover, .button:focus-visible { background: #9aff92; }
.button:disabled { cursor: not-allowed; filter: grayscale(1); opacity: .58; }
.form-status { min-height: 1.6em; margin: 12px 0 0; font-size: .92rem; color: var(--muted); }
.form-status[data-state="blocked"] { color: var(--danger); font-weight: 700; }
.privacy-note { font-size: .82rem; color: var(--muted); }
.form-honeypot { position: absolute !important; left: -5000px !important; }
.section { padding: 84px 0; }
.section-dark { background: #29292c; color: var(--white); }
.section-heading { max-width: 720px; margin-bottom: 34px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { display: flex; flex-direction: column; overflow: hidden; background: var(--white); color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 28px rgba(0,0,0,.08); }
.card img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; background: #111; }
.card-body { display: flex; flex: 1; flex-direction: column; padding: 24px; }
.card-body .button { margin-top: auto; }
.price { font-size: 1.3rem; font-weight: 900; margin: 8px 0 22px; }
.article-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; }
.article-grid img { border-radius: var(--radius); box-shadow: var(--shadow); }
.site-footer { padding: 34px 0; background: #151516; color: #d7d7d2; }
.footer-grid { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-grid p { margin: 0; }
.system-page { min-height: 100vh; display: grid; place-items: center; padding: 30px; background: var(--ink); }
.system-card { max-width: 640px; padding: 42px; border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }

@media (max-width: 820px) {
  .site-header .shell { padding: 16px 0; align-items: flex-start; }
  .brand img { width: 70px; height: 70px; }
  .nav { justify-content: flex-end; gap: 14px; font-size: .92rem; }
  .hero-grid, .article-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 52px; }
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1120px); }
  .site-header .shell { align-items: center; flex-direction: column; gap: 12px; }
  .nav { display: grid; gap: 8px 18px; grid-template-columns: repeat(2, max-content); justify-content: center; width: 100%; font-size: .82rem; }
  .hero-grid > *, .form-card { min-width: 0; }
  .form-row { flex-direction: column; }
  .section { padding: 62px 0; }
}