/* SenPosPrint landing — one stylesheet, no framework, no build step. */ :root { --ink: #14202b; --ink-soft: #47586a; --paper: #ffffff; --wash: #f4f7fa; --line: #dde5ec; --accent: #1f6feb; --accent-ink: #ffffff; --warn-bg: #fff7ed; --warn-line: #f4c98a; --radius: 12px; --wrap: 880px; } * { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: var(--paper); line-height: 1.6; -webkit-font-smoothing: antialiased; } a { color: var(--accent); } /* Shared page width. main and header/footer inner content share the cap. */ main { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; } /* Header */ .site-header { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(255, 255, 255, 0.92); backdrop-filter: saturate(1.4) blur(8px); z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; padding: 0 20px; max-width: var(--wrap); margin: 0 auto; } .brand { font-weight: 700; font-size: 1.15rem; text-decoration: none; color: var(--ink); } .site-nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; } .site-nav a { text-decoration: none; color: var(--ink-soft); font-size: .95rem; } .site-nav a:hover { color: var(--ink); } /* Language toggle */ .lang-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; } .lang-toggle button { border: 0; background: transparent; padding: 4px 12px; cursor: pointer; font-size: .85rem; color: var(--ink-soft); } .lang-toggle button.active { background: var(--accent); color: var(--accent-ink); } /* Hero */ .hero { padding: 64px 0 40px; } .hero h1 { font-size: 2.4rem; line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.02em; } .tagline { font-size: 1.2rem; color: var(--ink-soft); margin: 0 0 20px; max-width: 60ch; } .subtle { color: var(--ink-soft); font-size: .95rem; } /* Sections */ section { padding: 40px 0; border-top: 1px solid var(--line); } section h2 { font-size: 1.5rem; margin: 0 0 20px; letter-spacing: -0.01em; } section h3 { font-size: 1.1rem; margin: 24px 0 8px; } /* Feature grid */ .feature-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; } .feature-grid li { background: var(--wash); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; } .feature-grid h3 { margin: 0 0 6px; font-size: 1.05rem; } .feature-grid p { margin: 0; color: var(--ink-soft); font-size: .95rem; } /* Honest-limitations callout */ .limits { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: var(--radius); padding: 8px 22px 24px; margin-bottom: 40px; } .limits ul { margin: 0; padding-left: 20px; } .limits li { margin: 8px 0; } /* Legal / doc pages */ .doc { padding-bottom: 40px; } .doc h1 { font-size: 2rem; margin: 40px 0 24px; } .doc h2 { font-size: 1.25rem; } .doc h3 { font-size: 1.05rem; margin: 20px 0 8px; } .doc p, .doc li { color: var(--ink); } .doc ul { padding-left: 22px; } /* Footer */ .site-footer { border-top: 1px solid var(--line); background: var(--wash); padding: 32px 20px; margin-top: 40px; } .site-footer .company { font-weight: 600; color: var(--ink); margin: 0 0 6px; } .site-footer p, .site-footer a { color: var(--ink-soft); font-size: .9rem; } .site-footer .links { margin: 0; } /* Language visibility — default shows vi; lang.js flips data-lang on . */ html[data-lang="en"] .vi { display: none; } html[data-lang="vi"] .en { display: none; } /* No-JS / unknown state: show vi, hide en so nothing renders doubled. */ html:not([data-lang="en"]) .en { display: none; } @media (max-width: 560px) { .hero h1 { font-size: 1.9rem; } .site-nav { gap: 12px; } .site-header { flex-wrap: wrap; padding: 10px 20px; } }