/* Free Invoice Maker — public marketing site */
:root { --brand:#2563eb; --brand-600:#1d4ed8; --brand-50:#eff4ff; --ink:#0f172a; --ink-2:#334155; --muted:#64748b; --line:#e5e7eb; --bg:#f6f7fb; }
*,*::before,*::after { box-sizing:border-box; }
body { margin:0; font-family:'Inter',ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif; color:var(--ink); background:#fff; font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased; }
a { color:var(--brand); text-decoration:none; }
a:hover { text-decoration:underline; }
img { max-width:100%; }
.container { max-width:1160px; margin:0 auto; padding:0 24px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; height:46px; padding:0 22px; border-radius:11px; font-weight:650; font-size:15.5px; border:1px solid transparent; text-decoration:none!important; transition:background .15s, box-shadow .15s, transform .15s; white-space:nowrap; }
.btn-primary { background:var(--brand); color:#fff; box-shadow:0 6px 18px rgba(37,99,235,.28); }
.btn-primary:hover { background:var(--brand-600); transform:translateY(-1px); }
.btn-secondary { background:#fff; color:var(--ink); border-color:var(--line); }
.btn-secondary:hover { border-color:#cbd5e1; }
.btn-sm { height:38px; padding:0 16px; font-size:14.5px; }
.btn-lg { height:54px; padding:0 28px; font-size:17px; border-radius:13px; }

/* header */
.site-header { position:sticky; top:0; z-index:20; background:rgba(255,255,255,.9); backdrop-filter:saturate(180%) blur(10px); border-bottom:1px solid rgba(229,231,235,.7); }
.site-header .container { display:flex; align-items:center; justify-content:space-between; height:68px; }
.logo { display:inline-flex; align-items:center; gap:10px; color:var(--ink); font-weight:750; font-size:17px; }
.logo:hover { text-decoration:none; }
.logo-mark { width:32px; height:32px; border-radius:9px; background:var(--brand); color:#fff; display:inline-grid; place-items:center; font-weight:800; }
.nav { display:flex; align-items:center; gap:28px; }
.nav a.link { color:var(--ink-2); font-weight:500; font-size:15px; }
.nav-actions { display:flex; gap:10px; align-items:center; }

/* hero */
.hero { padding:72px 0 64px; background:radial-gradient(1000px 520px at 85% -10%, #e3ebff 0%, rgba(255,255,255,0) 60%), radial-gradient(800px 400px at -10% 10%, #f1f5ff 0%, rgba(255,255,255,0) 60%); }
.hero .container { display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.eyebrow { display:inline-flex; align-items:center; gap:8px; padding:6px 12px; border-radius:99px; background:var(--brand-50); color:var(--brand-600); font-weight:600; font-size:13.5px; margin-bottom:18px; }
.hero h1 { font-size:58px; line-height:1.04; letter-spacing:-.035em; margin:0 0 18px; font-weight:800; }
.hero h1 span { color:var(--brand); }
.hero p.lead { font-size:19px; color:var(--ink-2); max-width:540px; margin:0 0 28px; }
.hero-ctas { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:18px; }
.hero-note { color:var(--muted); font-size:14px; display:flex; gap:18px; flex-wrap:wrap; }
.hero-note span::before { content:'✓'; color:#059669; font-weight:800; margin-right:6px; }

/* invoice mock */
.mock { background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:0 30px 80px rgba(15,23,42,.14); padding:30px; font-size:13px; transform:rotate(.6deg); }
.mock-head { display:flex; justify-content:space-between; margin-bottom:22px; }
.mock-logo { width:44px; height:44px; border-radius:11px; background:linear-gradient(135deg,#0ea5e9,#2563eb); margin-bottom:8px; }
.mock-title { color:var(--brand); font-weight:800; font-size:24px; letter-spacing:.02em; text-align:right; }
.mock-muted { color:var(--muted); }
.mock table { width:100%; border-collapse:collapse; margin:14px 0; }
.mock th { background:#f5f7fb; text-align:left; font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); padding:8px; }
.mock td { padding:9px 8px; border-bottom:1px solid #eef0f4; }
.mock .r { text-align:right; }
.mock-total { display:flex; justify-content:space-between; border-top:2px solid var(--ink); padding-top:10px; font-weight:800; font-size:17px; width:60%; margin-left:auto; }
.mock-badge { display:inline-block; background:#d1fae5; color:#047857; font-weight:700; font-size:11px; padding:3px 9px; border-radius:99px; }

/* sections */
section.block { padding:84px 0; }
section.alt { background:var(--bg); }
.section-head { text-align:center; max-width:660px; margin:0 auto 48px; }
.section-head h2 { font-size:38px; letter-spacing:-.025em; line-height:1.15; margin:0 0 12px; }
.section-head p { color:var(--ink-2); font-size:17.5px; margin:0; }
.features { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.feature { background:#fff; border:1px solid var(--line); border-radius:16px; padding:26px; }
.feature-icon { width:44px; height:44px; border-radius:12px; background:var(--brand-50); color:var(--brand); display:grid; place-items:center; margin-bottom:14px; }
.feature h3 { margin:0 0 6px; font-size:18px; }
.feature p { margin:0; color:var(--ink-2); font-size:15px; }
.steps { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; counter-reset:step; }
.step { padding:26px; border-radius:16px; background:#fff; border:1px solid var(--line); position:relative; }
.step::before { counter-increment:step; content:counter(step); width:36px; height:36px; border-radius:50%; background:var(--ink); color:#fff; display:grid; place-items:center; font-weight:700; margin-bottom:14px; }
.step h3 { margin:0 0 6px; font-size:18px; }
.step p { margin:0; color:var(--ink-2); }
.platforms { display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center; }
.platforms h2 { font-size:34px; letter-spacing:-.02em; margin:0 0 12px; }
.platform-list { display:grid; gap:12px; margin-top:20px; }
.platform { display:flex; gap:14px; align-items:center; padding:14px 16px; border:1px solid var(--line); border-radius:14px; background:#fff; }
.platform strong { display:block; }
.platform small { color:var(--muted); }
.sync { background:linear-gradient(135deg,#1e3a8a,#2563eb); color:#fff; border-radius:20px; padding:36px; }
.sync h3 { font-size:22px; margin:0 0 10px; }
.sync p { opacity:.9; margin:0; }
.faq { max-width:760px; margin:0 auto; }
.faq details { background:#fff; border:1px solid var(--line); border-radius:14px; padding:18px 22px; margin-bottom:12px; }
.faq summary { cursor:pointer; font-weight:650; font-size:16.5px; list-style:none; display:flex; justify-content:space-between; }
.faq summary::after { content:'+'; color:var(--muted); font-size:20px; line-height:1; }
.faq details[open] summary::after { content:'–'; }
.faq p { margin:10px 0 0; color:var(--ink-2); }
.cta-band { text-align:center; background:var(--ink); color:#fff; border-radius:24px; padding:56px 24px; }
.cta-band h2 { font-size:36px; margin:0 0 12px; letter-spacing:-.02em; }
.cta-band p { color:#cbd5e1; margin:0 0 26px; font-size:17px; }

/* footer */
.site-footer { border-top:1px solid var(--line); padding:40px 0; color:var(--muted); font-size:14px; }
.site-footer .container { display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; align-items:center; }
.footer-links { display:flex; gap:20px; flex-wrap:wrap; }
.footer-links a { color:var(--ink-2); }

/* legal pages */
.legal { max-width:780px; margin:0 auto; padding:56px 24px 80px; }
.legal h1 { font-size:38px; letter-spacing:-.02em; margin:0 0 6px; }
.legal h2 { font-size:21px; margin:34px 0 10px; }
.legal p, .legal li { color:var(--ink-2); }
.legal .updated { color:var(--muted); margin-bottom:28px; }
.legal .note { background:#fffbeb; border:1px solid #fde68a; color:#92400e; border-radius:12px; padding:14px 16px; font-size:14.5px; }

@media (max-width: 960px) {
  .hero .container, .platforms { grid-template-columns:1fr; }
  .hero h1 { font-size:42px; }
  .features, .steps { grid-template-columns:1fr; }
  .nav .link { display:none; }
  .mock { transform:none; }
}
@media (max-width: 520px) {
  .container { padding:0 16px; }
  .hero { padding:44px 0; }
  .hero h1 { font-size:36px; }
  .section-head h2 { font-size:30px; }
  .nav-actions .btn-secondary { display:none; }
  section.block { padding:60px 0; }
  .mock { padding:18px; font-size:12px; }
}