/* Future Ledger AI - site styles */
:root {
  --bg: #060b16;
  --bg-2: #0b1324;
  --surface: #0f1a30;
  --surface-2: #14223d;
  --border: rgba(120, 180, 255, 0.14);
  --text: #e7eefb;
  --muted: #9fb0cc;
  --cyan: #22d3ee;
  --blue: #2563eb;
  --teal: #1f6f86;
  --grad: linear-gradient(135deg, #22d3ee 0%, #2563eb 100%);
  --radius: 14px;
  --max: 1160px;
  --font-head: "Exo 2", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; margin: 0 0 .6em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
section { padding: 88px 0; }
.section-alt { background: var(--bg-2); }
.eyebrow { display: inline-block; font-family: var(--font-head); font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); margin-bottom: 12px; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: .95rem; border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; cursor: pointer; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--grad); color: #04121f; box-shadow: 0 8px 28px rgba(34, 211, 238, .25); }
.btn-primary:hover { box-shadow: 0 10px 34px rgba(34, 211, 238, .38); }
.btn-ghost { border-color: var(--border); color: var(--text); background: rgba(255,255,255,.03); }
.btn-ghost:hover { border-color: var(--cyan); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(6, 11, 22, .82); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand img { height: 42px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); font-weight: 500; font-size: .95rem; }
.nav-links a:hover, .nav-links a.active { color: var(--text); text-decoration: none; }
.nav-links .btn { color: #04121f; padding: 10px 20px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 10px; width: 44px; height: 40px; cursor: pointer; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { display: block; width: 18px; height: 2px; background: currentColor; margin: 0 auto; position: relative; content: ""; }
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--border); padding: 8px 20px 20px; display: none; }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 12px 0; }
  .nav-links .btn { justify-content: center; margin-top: 8px; }
  .brand img { height: 34px; }
}

/* Hero */
.hero { position: relative; overflow: hidden; padding: 110px 0 96px; }
.hero::before { content: ""; position: absolute; inset: -40% -20% auto auto; width: 820px; height: 820px; background: radial-gradient(closest-side, rgba(34,211,238,.18), transparent 70%); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: auto auto -50% -20%; width: 760px; height: 760px; background: radial-gradient(closest-side, rgba(37,99,235,.18), transparent 70%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 600px; margin-bottom: 28px; }
.hero-mark { justify-self: center; width: min(380px, 80%); filter: drop-shadow(0 0 60px rgba(34,211,238,.25)); animation: spin 60s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .hero-mark { animation: none; } html { scroll-behavior: auto; } }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.badge { font-size: .8rem; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 6px 12px; background: rgba(255,255,255,.02); }
.page-hero { padding: 88px 0 56px; border-bottom: 1px solid var(--border); background: radial-gradient(900px 400px at 85% 0%, rgba(34,211,238,.10), transparent 60%), var(--bg); }
.page-hero p { color: var(--muted); font-size: 1.1rem; max-width: 720px; }
@media (max-width: 880px) {
  .hero { padding: 72px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-mark { order: -1; width: 180px; }
}

/* Cards / grids */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } section { padding: 64px 0; } }

.card { background: linear-gradient(180deg, var(--surface) 0%, var(--bg-2) 100%); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: border-color .2s ease, transform .2s ease; }
.card:hover { border-color: rgba(34,211,238,.45); transform: translateY(-2px); }
.card p { color: var(--muted); margin-bottom: 0; }
.card ul { color: var(--muted); padding-left: 18px; margin: 12px 0 0; }
.card ul li { margin-bottom: 4px; }
.card .link { display: inline-block; margin-top: 16px; font-weight: 600; }
.icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(34,211,238,.10); border: 1px solid rgba(34,211,238,.25); color: var(--cyan); margin-bottom: 18px; }
.icon svg { width: 24px; height: 24px; }
.tag { display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--cyan); background: rgba(34,211,238,.10); border-radius: 6px; padding: 3px 8px; margin-bottom: 12px; }

/* Service detail blocks */
.service { display: grid; grid-template-columns: 340px 1fr; gap: 48px; padding: 56px 0; border-bottom: 1px solid var(--border); scroll-margin-top: 90px; }
.service:last-child { border-bottom: 0; }
.service h2 { font-size: 1.7rem; }
.service .checks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 28px; list-style: none; padding: 0; margin: 0; }
.service .checks li { position: relative; padding-left: 28px; color: var(--muted); }
.service .checks li strong { color: var(--text); display: block; font-weight: 600; }
.service .checks li::before { content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 14px; border-radius: 4px; background: var(--grad); }
@media (max-width: 880px) { .service { grid-template-columns: 1fr; gap: 20px; } .service .checks { grid-template-columns: 1fr; } }

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-top: 56px; }
.step::before { counter-increment: step; content: "0" counter(step); position: absolute; top: 0; left: 0; font-family: var(--font-head); font-size: 2rem; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* CTA band */
.cta { background: radial-gradient(600px 300px at 10% 0%, rgba(34,211,238,.18), transparent 70%), radial-gradient(600px 300px at 90% 100%, rgba(37,99,235,.22), transparent 70%), var(--surface); border: 1px solid var(--border); border-radius: 22px; padding: 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { margin-bottom: 8px; }
.cta p { color: var(--muted); margin: 0; max-width: 560px; }
@media (max-width: 640px) { .cta { padding: 32px 24px; } }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
.contact-item .icon { margin: 0; flex: none; }
.contact-item span { display: block; color: var(--muted); font-size: .85rem; }
.contact-item a, .contact-item strong { color: var(--text); font-weight: 600; font-size: 1.05rem; }
form .field { margin-bottom: 18px; }
form label { display: block; font-size: .88rem; font-weight: 500; margin-bottom: 6px; }
form input, form select, form textarea { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: inherit; }
form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34,211,238,.18); }
form textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form-note { font-size: .82rem; color: var(--muted); margin-top: 12px; }
.form-status { margin-top: 14px; font-weight: 500; }

/* Prose (legal pages) */
.prose { max-width: 780px; }
.prose h2 { font-size: 1.35rem; margin-top: 2em; }
.prose p, .prose li { color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 56px 0 28px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; }
.footer-grid h4 { font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--text); opacity: .85; }
.footer-grid a:hover { opacity: 1; }
.footer-brand img { height: 40px; width: auto; margin-bottom: 14px; }
.footer-brand p { color: var(--muted); font-size: .92rem; max-width: 320px; }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: .85rem; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 12px; z-index: 100; background: var(--cyan); color: #04121f; padding: 8px 14px; border-radius: 8px; }
.tag-soon { color: #fbbf24; background: rgba(251, 191, 36, .12); margin-left: 6px; }
.callout { border-left: 3px solid var(--cyan); background: rgba(34,211,238,.06); border-radius: 0 var(--radius) var(--radius) 0; padding: 22px 26px; }
.callout h3 { margin-bottom: 6px; }
.callout p { color: var(--muted); margin: 0; }

/* Stats band */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat { text-align: center; padding: 26px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(180deg, var(--surface) 0%, var(--bg-2) 100%); }
.stat b { display: block; font-family: var(--font-head); font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--muted); font-size: .92rem; }
@media (max-width: 880px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* Case studies */
.case .metrics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.case .metrics span { font-size: .78rem; color: var(--text); border: 1px solid rgba(34,211,238,.3); background: rgba(34,211,238,.08); border-radius: 999px; padding: 4px 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips span { border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 8px 16px; font-size: .92rem; }

/* Brand: swirl mark + wordmark */
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { height: 40px; width: 40px; }
.brand-name { font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; letter-spacing: .01em; white-space: nowrap; }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand .brand img { height: 40px; width: 40px; margin: 0; }
@media (max-width: 880px) { .brand img { height: 34px; width: 34px; } .brand-name { font-size: 1.1rem; } }
.brand img { animation: spin 30s linear infinite; }
@media (prefers-reduced-motion: reduce) { .brand img { animation: none; } }
.social { display: inline-flex; align-items: center; gap: 8px; margin-top: 4px; padding: 8px 14px; border: 1px solid var(--border); border-radius: 999px; color: var(--text); font-size: .88rem; }
.social:hover { border-color: var(--cyan); color: var(--cyan); text-decoration: none; }

/* User guide */
.guide-layout { display: grid; grid-template-columns: 270px 1fr; gap: 48px; align-items: start; }
.guide-toc { position: sticky; top: 92px; max-height: calc(100vh - 110px); overflow: auto; font-size: .88rem; padding-right: 8px; }
.guide-toc h2 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.guide-toc ol { list-style: none; margin: 0 0 4px; padding: 0; }
.guide-toc > ol > li { margin-bottom: 8px; }
.guide-toc > ol > li > a { color: var(--text); font-weight: 600; }
.guide-toc ol ol { padding-left: 12px; margin-top: 4px; border-left: 1px solid var(--border); }
.guide-toc ol ol a { color: var(--muted); display: block; padding: 2px 0 2px 8px; }
.guide-toc a:hover { color: var(--cyan); text-decoration: none; }
.guide-toc .btn { margin-top: 16px; }
.guide { max-width: 860px; min-width: 0; }
.guide h2 { font-size: 1.6rem; margin-top: 2.2em; padding-top: 1em; border-top: 1px solid var(--border); scroll-margin-top: 90px; }
.guide h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.guide h3 { font-size: 1.2rem; margin-top: 1.8em; scroll-margin-top: 90px; }
.guide h4 { font-size: 1rem; margin-top: 1.4em; scroll-margin-top: 90px; }
.guide p, .guide li { color: var(--muted); }
.guide strong { color: var(--text); }
.guide ul, .guide ol { padding-left: 22px; margin: 0 0 1em; }
.guide li { margin-bottom: 4px; }
.table-wrap { overflow-x: auto; margin: 0 0 1.4em; border: 1px solid var(--border); border-radius: 10px; }
.guide table { border-collapse: collapse; width: 100%; font-size: .9rem; }
.guide th, .guide td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.guide th { background: var(--surface-2); color: var(--text); font-weight: 600; white-space: nowrap; }
.guide td { color: var(--muted); }
.guide tr:last-child td { border-bottom: 0; }
.guide td ul, .guide td ol { margin: 4px 0 0; }
.shot { margin: 1em 0 1.6em; }
.shot img { border: 1px solid var(--border); border-radius: 10px; width: 100%; height: auto; }
.shot figcaption { font-size: .82rem; color: var(--muted); margin-top: 8px; }
@media (max-width: 980px) { .guide-layout { grid-template-columns: 1fr; } .guide-toc { position: static; max-height: none; } }