:root {
  --bg: #0d1117;
  --surface: #161c25;
  --surface-soft: #1d2530;
  --text: #f7f8fa;
  --muted: #b4bdc9;
  --orange: #ff7a1a;
  --orange-dark: #db5c00;
  --border: rgba(255, 255, 255, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
img { max-width: 100%; height: auto; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header { padding: 22px 0; border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { display: block; width: 100px; height: 49px; object-fit: contain; }
.nav-link { color: var(--muted); font-weight: 700; text-decoration: none; }
.nav-link:hover, .nav-link:focus { color: var(--orange); }
.hero { position: relative; overflow: hidden; padding: 88px 0 76px; }
.hero::before { content: ""; position: absolute; width: 540px; height: 540px; right: -200px; top: -250px; border-radius: 50%; background: rgba(255, 122, 26, .12); filter: blur(3px); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); align-items: center; gap: 72px; }
.eyebrow { margin: 0 0 16px; color: var(--orange); font-size: .86rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.35rem, 5vw, 4.5rem); line-height: 1.07; letter-spacing: -.045em; }
.lead { max-width: 720px; margin: 24px 0 32px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 24px; border: 1px solid transparent; border-radius: 10px; font-weight: 800; text-decoration: none; transition: .2s ease; }
.btn-primary { background: var(--orange); color: #17100b; box-shadow: 0 12px 30px rgba(255, 122, 26, .2); }
.btn-primary:hover, .btn-primary:focus { background: #ff9348; transform: translateY(-2px); }
.btn-secondary { border-color: var(--border); background: var(--surface); }
.btn-secondary:hover, .btn-secondary:focus { border-color: var(--orange); color: var(--orange); }
.erp-card { padding: 48px 32px; border: 1px solid var(--border); border-radius: 24px; background: linear-gradient(145deg, var(--surface-soft), var(--surface)); box-shadow: 0 26px 70px rgba(0,0,0,.32); text-align: center; }
.erp-card img { width: 320px; border-radius: 16px; box-shadow: 0 16px 38px rgba(0,0,0,.2); }
.erp-card p { margin: 20px 0 0; color: var(--muted); font-weight: 700; }
.benefits { padding: 70px 0 86px; background: #10151c; }
.section-heading { max-width: 720px; margin: 0 auto 38px; text-align: center; }
.section-heading h2 { margin: 0 0 12px; font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.2; }
.section-heading p { margin: 0; color: var(--muted); }
.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.benefit { padding: 26px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); }
.benefit strong { display: block; margin-bottom: 8px; font-size: 1.05rem; }
.benefit p { margin: 0; color: var(--muted); font-size: .95rem; }
.closing { padding: 78px 0; text-align: center; }
.closing h2 { margin: 0 0 14px; font-size: clamp(1.8rem, 4vw, 2.8rem); }
.closing p { max-width: 660px; margin: 0 auto 28px; color: var(--muted); }
.closing .actions { justify-content: center; }
.site-footer { padding: 28px 0 90px; border-top: 1px solid var(--border); color: var(--muted); text-align: center; font-size: .9rem; }

@media (max-width: 860px) {
  .hero { padding-top: 62px; }
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .erp-card { max-width: 520px; width: 100%; margin-inline: auto; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .container { width: min(100% - 28px, 1120px); }
  .nav-link { font-size: .9rem; }
  .hero { padding: 48px 0 58px; }
  .actions, .btn { width: 100%; }
  .erp-card { padding: 30px 20px; }
  .benefit-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}