/* Lockvero marketing site. Logical properties throughout so RTL just works. */
:root {
  --indigo: #4f46e5;
  --violet: #7c3aed;
  --ink: #0f172a;
  --night: #0b1026;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --card: #ffffff;
  --mint: #10b981;
  --radius: 16px;
  --shadow: 0 1px 2px rgb(15 23 42 / 6%), 0 8px 24px rgb(15 23 42 / 6%);
  --font: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans Arabic', Tahoma, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e2e8f0;
    --muted: #94a3b8;
    --line: #1e293b;
    --bg: #0b1026;
    --bg-soft: #0f1630;
    --card: #111a36;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 25%);
  }
}
*,
*::before,
*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; overflow-wrap: break-word; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.65; font-size: 17px; }
[dir='rtl'] body { line-height: 1.85; }
img, svg { max-width: 100%; }
a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }
@media (prefers-color-scheme: dark) { a { color: #a5b4fc; } }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.6em; }
[dir='rtl'] h1, [dir='rtl'] h2, [dir='rtl'] h3 { letter-spacing: 0; line-height: 1.4; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
.container { width: min(1140px, 100% - 40px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 40px); margin-inline: auto; }
.muted { color: var(--muted); }
.skip { position: absolute; inset-inline-start: -999px; }
.skip:focus { inset-inline-start: 12px; top: 12px; z-index: 10; background: var(--card); padding: 8px 12px; border-radius: 8px; }
.icon { width: 24px; height: 24px; flex: none; }
:focus-visible { outline: 3px solid #a5b4fc; outline-offset: 2px; border-radius: 6px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 1.35rem; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.wordmark .vero { color: var(--indigo); }
@media (prefers-color-scheme: dark) { .wordmark .vero { color: #a5b4fc; } }
.main-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.main-nav a { color: var(--ink); font-weight: 500; font-size: 0.95rem; }
.main-nav a[aria-current='page'] { color: var(--indigo); }
.header-actions { margin-inline-start: auto; display: flex; align-items: center; gap: 10px; }
.lang { font-weight: 600; font-size: 0.95rem; }
@media (max-width: 900px) {
  .main-nav { display: none; }
  .header-actions .btn-ghost { display: none; }
}
@media (max-width: 480px) {
  .header-inner { gap: 12px; }
  .header-actions .btn { padding: 9px 14px; font-size: 0.9rem; }
  .brand { font-size: 1.15rem; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 12px; font-weight: 650; font-size: 0.98rem; border: 1px solid transparent; transition: transform 0.15s, box-shadow 0.15s; white-space: nowrap; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--indigo), var(--violet)); box-shadow: 0 6px 20px rgb(79 70 229 / 30%); }
@media (prefers-color-scheme: dark) { .btn-primary { color: #fff; } }
.btn-ghost { color: var(--ink); border-color: var(--line); background: var(--card); }
.btn-lg { padding: 15px 26px; font-size: 1.05rem; border-radius: 14px; }
[dir='rtl'] .btn .icon { transform: scaleX(-1); }

/* Sections */
section { padding-block: 84px; }
.soft { background: var(--bg-soft); border-block: 1px solid var(--line); }
.eyebrow { display: inline-block; font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--indigo); margin-bottom: 12px; }
[dir='rtl'] .eyebrow { text-transform: none; letter-spacing: 0; font-size: 0.95rem; }
.section-head { max-width: 720px; margin-bottom: 44px; }
.center { text-align: center; margin-inline: auto; }
.lead { font-size: 1.2rem; color: var(--muted); }

/* Hero */
.hero { padding-block: 88px 72px; background: radial-gradient(900px 420px at 80% -10%, rgb(124 58 237 / 18%), transparent), radial-gradient(700px 380px at 0% 0%, rgb(79 70 229 / 14%), transparent); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero .lead { max-width: 560px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.trust { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 26px; color: var(--muted); font-size: 0.95rem; }
.trust span { display: inline-flex; align-items: center; gap: 6px; }
.trust .icon { width: 18px; height: 18px; color: var(--mint); }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

/* Vault mock (pure CSS illustration) */
.mock { background: var(--card); border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 30px 80px rgb(79 70 229 / 18%); padding: 18px; }
.mock-bar { display: flex; gap: 6px; margin-bottom: 14px; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.mock-item { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 12px; border: 1px solid var(--line); margin-bottom: 10px; background: var(--bg); }
.mock-item b { display: block; font-size: 0.95rem; }
.mock-item small { color: var(--muted); }
.mock-avatar { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; color: #fff; font-weight: 800; }
.mock-dots { margin-inline-start: auto; letter-spacing: 2px; color: var(--muted); font-weight: 800; }
.mock-cipher { font-family: ui-monospace, monospace; font-size: 0.78rem; color: var(--muted); word-break: break-all; border: 1px dashed var(--line); border-radius: 12px; padding: 10px; margin-top: 12px; }
.mock-cipher strong { color: var(--mint); }

/* Cards & grids */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.card h3 { margin-top: 14px; }
.card p { color: var(--muted); margin: 0; }
.badge-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--indigo), var(--violet)); }

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-inline-start: 64px; }
.step::before { counter-increment: step; content: counter(step); position: absolute; inset-inline-start: 0; top: 0; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: var(--indigo); background: rgb(79 70 229 / 10%); }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1000px) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .plans { grid-template-columns: 1fr; } }
.plan { display: flex; flex-direction: column; }
.plan.featured { border: 2px solid var(--indigo); }
.plan .price { font-size: 2.2rem; font-weight: 800; margin: 8px 0 2px; }
.plan .price small { font-size: 1rem; color: var(--muted); font-weight: 500; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 24px; flex: 1; }
.plan li { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 10px; color: var(--muted); }
.plan li .icon { width: 20px; height: 20px; color: var(--mint); margin-top: 3px; }
.tag { display: inline-block; font-size: 0.8rem; font-weight: 700; color: #fff; background: var(--indigo); padding: 3px 10px; border-radius: 99px; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding-block: 18px; }
.faq summary { cursor: pointer; font-weight: 650; font-size: 1.08rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: '+'; color: var(--indigo); font-weight: 800; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin: 12px 0 0; color: var(--muted); }

/* CTA band */
.cta-band { border-radius: 24px; padding: 56px; color: #fff; background: radial-gradient(circle at 85% 10%, #312e81, var(--night) 60%); text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #c7d2fe; }

/* Articles */
.article-header { padding-block: 64px 24px; }
.article-meta { color: var(--muted); font-size: 0.95rem; }
.prose { padding-block: 8px 72px; }
.prose h2 { font-size: 1.6rem; margin-top: 1.8em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-inline-start: 1.4em; }
.prose li { margin-bottom: 0.4em; }
.prose blockquote { margin: 1.5em 0; padding: 14px 20px; border-inline-start: 4px solid var(--indigo); background: var(--bg-soft); border-radius: 8px; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.95rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px; text-align: start; vertical-align: top; }
.prose th { background: var(--bg-soft); }
.prose code { font-family: ui-monospace, monospace; font-size: 0.9em; background: var(--bg-soft); padding: 2px 6px; border-radius: 6px; }
.crumbs { font-size: 0.9rem; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.guide-list .card { display: flex; flex-direction: column; }
.guide-list .card a.more { margin-top: 16px; font-weight: 650; display: inline-flex; align-items: center; gap: 6px; }

/* Generator tool */
.tool { padding: 28px; }
.tool-output { display: flex; gap: 10px; align-items: stretch; }
.tool-output output { flex: 1; min-width: 0; font-family: ui-monospace, monospace; font-size: 1.35rem; padding: 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); word-break: break-all; direction: ltr; text-align: left; min-height: 64px; }
.tool-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; margin-top: 22px; }
@media (max-width: 600px) { .tool-controls { grid-template-columns: 1fr; } }
.tool-controls label { display: flex; align-items: center; gap: 10px; }
.tool-controls input[type='range'] { flex: 1; accent-color: var(--indigo); }
.meter { height: 8px; border-radius: 99px; background: var(--line); margin-top: 16px; overflow: hidden; }
.meter span { display: block; height: 100%; width: 0; background: var(--mint); transition: width 0.2s; }
.tool-note { margin-top: 10px; font-size: 0.92rem; }
noscript p { color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 48px 28px; background: var(--bg-soft); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 28px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.site-footer h2 { font-size: 0.95rem; margin-bottom: 12px; }
.site-footer a { display: block; color: var(--muted); margin-bottom: 8px; font-size: 0.95rem; }
.site-footer .brand { display: inline-flex; color: var(--ink); margin-bottom: 10px; }
.footer-bottom { margin-top: 32px; font-size: 0.9rem; }

/* Utilities (no inline style attributes: CSP style-src 'self') */
.hero-sm { padding-block: 72px 40px; }
.pt-sm { padding-top: 16px; }
.pt-0 { padding-top: 0; }
.mt { margin-top: 18px; }
.align-center { align-items: center; }
.tag-muted { background: var(--muted); }
.plan .price.price-soon { font-size: 1.15rem; }
.av-ink { background: #0f172a; }
.av-green { background: #059669; }
.av-red { background: #dc2626; }
.notfound { padding-block: 120px; }
.h3 { font-size: 1.2rem; }
.cta-row.center { justify-content: center; }