/* Palaikymas.lt landing — single stylesheet, no framework, system font stack
   (zero external hosts, so Lithuanian diacritics never depend on a webfont). */
:root {
  --c-primary: #2563eb;
  --c-primary-dark: #1d4ed8;
  --c-ink: #0f172a;
  --c-text: #334155;
  --c-muted: #64748b;
  --c-border: #e2e8f0;
  --c-bg: #ffffff;
  --c-bg-alt: #f8fafc;
  --radius: 14px;
  --wrap: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--c-text); background: var(--c-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.2; margin: 0 0 .6rem; }
h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.01em; }
h3 { font-size: 1.08rem; }
p { margin: 0 0 1rem; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }
.center { text-align: center; }
.muted { color: var(--c-muted); font-size: .92rem; }
.lead { font-size: 1.12rem; color: var(--c-text); }

/* Buttons */
.btn {
  display: inline-block; padding: .7rem 1.4rem; border-radius: 10px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; text-align: center;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); }
.btn-ghost { border-color: var(--c-border); color: var(--c-ink); background: #fff; }
.btn-ghost:hover { background: var(--c-bg-alt); }
.btn-white { background: #fff; color: var(--c-primary); }
.btn-white:hover { background: #eff6ff; }
.btn-lg { padding: .85rem 1.7rem; font-size: 1.02rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(8px); border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.is-stuck { border-color: var(--c-border); box-shadow: 0 1px 12px rgba(15,23,42,.05); }
.header-inner { display: flex; align-items: center; gap: 1.5rem; height: 66px; }
.logo { font-weight: 800; font-size: 1.15rem; color: var(--c-ink); letter-spacing: -.02em; }
.logo span { color: var(--c-primary); }
.logo:hover { text-decoration: none; }
.nav { display: flex; gap: 1.25rem; flex: 1; }
.nav a { color: var(--c-muted); font-size: .96rem; font-weight: 500; }
.nav a:hover { color: var(--c-ink); text-decoration: none; }
.header-cta { display: flex; align-items: center; gap: .8rem; }
.link-ghost { color: var(--c-muted); font-weight: 500; }

/* Hero */
.hero { padding: clamp(2.5rem, 6vw, 4.5rem) 0 3rem; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1.6rem 0 .9rem; }
.trustline { color: var(--c-muted); font-size: .9rem; margin: 0; }

.browser { border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 18px 48px rgba(15,23,42,.10); background: #fff; }
.browser-bar { background: var(--c-bg-alt); border-bottom: 1px solid var(--c-border); padding: .6rem .8rem; display: flex; gap: .35rem; }
.browser-bar span { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.browser-body { padding: 1.1rem; min-height: 235px; position: relative; }
.skeleton { height: 11px; background: #eef2f7; border-radius: 6px; margin-bottom: .6rem; }
.skeleton-title { height: 17px; width: 55%; background: #e2e8f0; }
.skeleton-short { width: 72%; }
.mockchat { margin-top: 1.3rem; display: flex; flex-direction: column; gap: .5rem; }
.mockmsg { max-width: 82%; padding: .55rem .8rem; border-radius: 12px; font-size: .92rem; }
.mockmsg-in { align-self: flex-start; background: var(--c-bg-alt); border: 1px solid var(--c-border); border-bottom-left-radius: 4px; }
.mockmsg-out { align-self: flex-end; background: var(--c-primary); color: #fff; border-bottom-right-radius: 4px; }
.mockmsg-bot { align-self: flex-start; background: #f5f3ff; border: 1px solid #ddd6fe; border-bottom-left-radius: 4px; }
.demo-callout { margin: .9rem 0 0; text-align: center; color: var(--c-muted); font-size: .88rem; }

/* Value props */
.props { padding: 1rem 0 3rem; }
.props-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.prop { padding: 1.2rem 1.3rem; background: var(--c-bg-alt); border-radius: var(--radius); border: 1px solid var(--c-border); }
.prop p { margin: 0; font-size: .95rem; }

/* Features */
.features { padding: 3.5rem 0; background: var(--c-bg-alt); border-block: 1px solid var(--c-border); }
.section-title { text-align: center; margin-bottom: 2.2rem; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.feature { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1.4rem; }
.feature-icon { font-size: 1.7rem; line-height: 1; margin-bottom: .7rem; }
.feature p { margin: 0; font-size: .94rem; color: var(--c-muted); }

/* Steps */
.steps { padding: 3.5rem 0; }
.steps-grid { list-style: none; margin: 0 0 2rem; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.step { position: relative; }
.step-num {
  width: 34px; height: 34px; border-radius: 50%; background: var(--c-primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: .7rem;
}
.step p { font-size: .95rem; color: var(--c-muted); }
.snippet-demo {
  background: var(--c-ink); color: #cbd5e1; border-radius: 9px; padding: .7rem .8rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .74rem;
  overflow-x: auto; margin: .5rem 0 .3rem; white-space: pre-wrap; word-break: break-all;
}
.snippet-note { font-size: .8rem; color: var(--c-muted); }

/* Bot band */
.botband { padding: 3.5rem 0; background: var(--c-bg-alt); border-block: 1px solid var(--c-border); }
.botband-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2.5rem; align-items: center; }
.botchat { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1.2rem; display: flex; flex-direction: column; gap: .55rem; }
.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { position: relative; padding-left: 1.6rem; margin-bottom: .5rem; font-size: .95rem; }
.checklist li::before { content: '✓'; position: absolute; left: 0; color: var(--c-primary); font-weight: 700; }

/* FAQ */
.faq { padding: 3.5rem 0; }
.faq-item { border-bottom: 1px solid var(--c-border); padding: .3rem 0; }
.faq-item summary {
  cursor: pointer; font-weight: 600; color: var(--c-ink); padding: .85rem 0; list-style: none;
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; color: var(--c-primary); font-size: 1.3rem; font-weight: 400; flex: none; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { margin: 0 0 1rem; color: var(--c-muted); font-size: .96rem; }

/* CTA band */
.cta-band { padding: 3.5rem 0; background: var(--c-ink); color: #e2e8f0; }
.cta-band h2 { color: #fff; }
.cta-band .lead { color: #cbd5e1; margin-bottom: 1.6rem; }

/* Footer */
.site-footer { padding: 2.8rem 0 1.5rem; border-top: 1px solid var(--c-border); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.3fr 1.1fr; gap: 2rem; }
.footer-grid h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; color: var(--c-muted); }
.footer-grid a { display: block; color: var(--c-text); font-size: .93rem; margin-bottom: .35rem; }
.logo-footer { display: block; margin-bottom: .5rem; }
.cookie-note { border-top: 1px solid var(--c-border); margin-top: 2rem; padding-top: 1.2rem; font-size: .85rem; color: var(--c-muted); }

/* Legal pages */
.legal { max-width: 780px; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
.legal h1 { font-size: 2rem; margin-bottom: .4rem; }
.legal h2 { font-size: 1.25rem; margin-top: 2.2rem; }
.legal h3 { font-size: 1.02rem; margin-top: 1.4rem; }
.legal ul { padding-left: 1.2rem; }
.legal li { margin-bottom: .4rem; }
.legal .updated { color: var(--c-muted); font-size: .9rem; margin-bottom: 2rem; }
.legal blockquote {
  margin: 1rem 0; padding: .9rem 1.1rem; background: var(--c-bg-alt);
  border-left: 3px solid var(--c-primary); border-radius: 0 8px 8px 0; font-size: .95rem;
}

@media (max-width: 900px) {
  .hero-grid, .botband-grid { grid-template-columns: 1fr; gap: 2rem; }
  .props-grid, .features-grid, .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .header-cta .link-ghost { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}