:root { color-scheme: light; --accent: #285b91; --paper: #faf8f2; --ink: #20272e; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 18px/1.65 system-ui, sans-serif; }
body.lutin { --accent: #28734b; --paper: #f4f8ec; }
body.java { --accent: #b73230; --paper: #fff6ef; }
body.backoffice { --accent: #383f87; --paper: #f5f5fa; }
a { color: var(--accent); text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, video:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
header, main, footer { max-width: 1120px; margin: auto; padding: 0 28px; }
header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-top: 28px; padding-bottom: 28px; border-bottom: 1px solid #20272e20; }
.brand { font-size: 25px; font-weight: 850; text-decoration: none; color: var(--ink); }
nav, .actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; }
nav { font-size: 15px; }
section { padding: 36px 0; scroll-margin-top: 20px; }
.hero { display: grid; grid-template-columns: 1fr 280px; align-items: center; gap: 55px; padding: 90px 0; }
h1 { font: 700 clamp(42px, 6vw, 72px)/1.1 ui-monospace, monospace; letter-spacing: -.04em; margin: 0 0 24px; overflow-wrap: break-word; }
h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.15; letter-spacing: -.04em; margin: 14px 0 24px; }
h2, h3 { text-wrap: balance; }
h3 { font-size: 21px; line-height: 1.3; }
p { max-width: 68ch; text-wrap: pretty; }
.lead { font-size: 21px; max-width: 620px; color: #49515a; }
.logo { width: 100%; height: auto; }
.actions { margin: 28px 0 16px; }
.button { display: inline-block; background: var(--accent); color: white; border: 2px solid var(--accent); border-radius: 9px; padding: 12px 22px; font-weight: 700; text-decoration: none; }
.button:hover { filter: brightness(.88); }
.secondary { color: var(--accent); background: transparent; }
.note { font-size: 14px; color: #58616b; }
.demo { display: block; width: 100%; height: auto; border-radius: 14px; border: 1px solid #20272e20; }
.presentation { display: grid; grid-template-columns: 1fr 310px; gap: 80px; align-items: center; }
video { width: 100%; height: auto; border-radius: 16px; background: #20272e; }
pre { background: #20232c; color: #f1efe6; padding: 22px; border-radius: 10px; overflow-x: auto; font-size: 15px; }
li { margin: 12px 0; }
footer { font-size: 14px; padding-top: 28px; padding-bottom: 40px; border-top: 1px solid #20272e20; }
@media (max-width: 700px) { .hero { grid-template-columns: 1fr; gap: 20px; padding: 48px 0; } .logo { width: 160px; grid-row: 1; } .cards, .presentation { grid-template-columns: 1fr; gap: 20px; } video { max-width: 310px; margin: auto; } header { align-items: flex-start; } section { padding: 36px 0; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }