/* ============================================================
   USPI Work and Documents — Landing styles
   Style: Swiss / Minimalism. Mobile-first. WCAG-focused.
   ============================================================ */

:root {
  --primary: #0369A1;
  --primary-700: #075985;
  --ink: #0C4A6E;
  --secondary: #0EA5E9;
  --cta: #15803D;
  --cta-hover: #166534;

  --bg: #FFFFFF;
  --bg-alt: #F0F9FF;
  --surface: #FFFFFF;

  --text: #1E293B;
  --muted: #475569;
  --border: #E2E8F0;
  --error: #DC2626;

  --ring: rgba(3, 105, 161, 0.35);
  --shadow-sm: 0 1px 2px rgba(12, 74, 110, 0.06), 0 1px 3px rgba(12, 74, 110, 0.08);
  --shadow-md: 0 4px 6px rgba(12, 74, 110, 0.05), 0 10px 24px rgba(12, 74, 110, 0.08);

  --radius: 12px;
  --radius-sm: 8px;
  --container: 1120px;
  --container-narrow: 760px;

  /* Системний стек (без сторонніх запитів до шрифтів): швидко + чисто для приватності, повна підтримка кирилиці */
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 800; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1rem; }
a { color: var(--primary); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container.narrow { max-width: var(--container-narrow); }

.section { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin: 0 auto 36px; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.05rem; margin: 0; }
.section-note { margin-top: 24px; text-align: center; color: var(--muted); font-size: .95rem; }

/* ---------- Accessibility helpers ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; border-radius: 4px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 50px; padding: 13px 26px;
  font-family: inherit; font-size: 1rem; font-weight: 600; line-height: 1.2;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  cursor: pointer; text-decoration: none; text-align: center;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-700); }
.btn-ghost { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-ghost:hover { background: rgba(3, 105, 161, 0.07); }
.btn-cta { background: var(--cta); color: #fff; }
.btn-cta:hover { background: var(--cta-hover); }
.btn-sm { min-height: 42px; padding: 9px 18px; font-size: .95rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .65; cursor: not-allowed; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 16px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { display: inline-flex; color: var(--primary); }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-weight: 800; font-size: 1.25rem; letter-spacing: .02em; }
.brand-sub { font-size: .72rem; color: var(--muted); font-weight: 500; }
.site-nav { display: none; margin-left: auto; gap: 26px; }
.site-nav a { color: var(--text); text-decoration: none; font-weight: 500; font-size: .98rem; }
.site-nav a:hover { color: var(--primary); }
.header-cta { margin-left: auto; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--bg-alt) 0%, #FFFFFF 100%);
  padding: 48px 0 56px;
}
.hero-inner { display: grid; gap: 32px; }
.eyebrow {
  display: inline-block; margin: 0 0 14px; padding: 6px 12px;
  background: rgba(3, 105, 161, 0.08); color: var(--primary);
  border-radius: 999px; font-size: .82rem; font-weight: 600; letter-spacing: .03em; text-transform: uppercase;
}
.hero-sub { font-size: 1.12rem; color: var(--muted); max-width: 620px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 22px; }
.hero-cta .btn { flex: 1 1 auto; min-width: 180px; }
.trust-chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 20px; }
.trust-chips li { display: inline-flex; align-items: center; gap: 8px; font-size: .94rem; color: var(--ink); font-weight: 500; }
.trust-chips svg { color: var(--cta); flex: none; }

.hero-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-md); }
.hero-card-title { font-size: 1.05rem; margin-bottom: 16px; }
.hero-card-list { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 14px; }
.hero-card-list li { display: grid; gap: 2px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.hero-card-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.hero-card-list span { font-size: .82rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.hero-card-list strong { color: var(--ink); font-weight: 600; font-size: .98rem; }
.hero-card-note { margin: 0; font-size: .86rem; color: var(--muted); }

/* ---------- Trust strip ---------- */
.trust-strip { background: var(--ink); color: #E0F2FE; padding: 40px 0; }
.trust-grid { display: grid; gap: 28px; }
.trust-item svg { color: var(--secondary); margin-bottom: 10px; }
.trust-item h3 { color: #fff; margin-bottom: 6px; }
.trust-item p { color: #BAE6FD; margin: 0; font-size: .96rem; }

/* ---------- Card grids ---------- */
.card-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.info-card {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; font-weight: 500; color: var(--ink); box-shadow: var(--shadow-sm);
}
.info-card h3 { margin: 0 0 4px; }
.info-card p { margin: 0; color: var(--muted); font-weight: 400; font-size: .96rem; }
.card-ico {
  flex: none; display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(3, 105, 161, 0.08); color: var(--primary);
}

/* ---------- Conditions ---------- */
.cond-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.cond-list li {
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--secondary);
  border-radius: var(--radius-sm); padding: 18px 20px; box-shadow: var(--shadow-sm);
}
.cond-list h3 { margin: 0 0 4px; }
.cond-list p { margin: 0; color: var(--muted); font-size: .96rem; }

/* ---------- Pay ---------- */
.pay-points { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 14px; }
.pay-points li { position: relative; padding-left: 30px; color: var(--text); }
.pay-points li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 10px; height: 10px; border-radius: 50%; background: var(--secondary);
}
.callout {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(14, 165, 233, 0.08); border: 1px solid rgba(3, 105, 161, 0.18);
  border-radius: var(--radius-sm); padding: 16px 18px;
}
.callout svg { color: var(--primary); flex: none; margin-top: 2px; }
.callout p { margin: 0; font-size: .95rem; color: var(--ink); }

/* ---------- Steps ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; counter-reset: step; }
.steps li { display: flex; gap: 16px; align-items: flex-start; }
.step-num {
  flex: none; display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--primary); color: #fff; font-weight: 700; font-size: 1.05rem;
}
.steps h3 { margin: 0 0 2px; }
.steps p { margin: 0; color: var(--muted); font-size: .96rem; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.faq h3 { margin: 0; font-size: 1rem; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: 0; cursor: pointer; text-align: left;
  padding: 18px 20px; font-family: inherit; font-size: 1.02rem; font-weight: 600; color: var(--ink);
}
.faq-q:hover { color: var(--primary); }
.faq-icon { position: relative; flex: none; width: 18px; height: 18px; }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; background: var(--primary); transition: transform .2s ease, opacity .2s ease;
}
.faq-icon::before { top: 8px; left: 0; width: 18px; height: 2px; }
.faq-icon::after { top: 0; left: 8px; width: 2px; height: 18px; }
.faq-q[aria-expanded="true"] .faq-icon::after { transform: scaleY(0); opacity: 0; }
.faq-a { padding: 0 20px; }
.faq-a p { margin: 0; padding-bottom: 18px; color: var(--muted); }

/* ---------- Lead form ---------- */
.form-section { background: var(--bg-alt); }
.lead-form {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-md); display: grid; gap: 16px;
}
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; color: var(--ink); font-size: .96rem; }
.field input, .field select {
  width: 100%; min-height: 50px; padding: 12px 14px;
  font-family: inherit; font-size: 16px; color: var(--text);
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input::placeholder { color: #94A3B8; }
.field input:focus, .field select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }
.field input.error, .field select.error { border-color: var(--error); box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.18); }
.field .hint { color: var(--muted); font-size: .84rem; }
.field-error-msg { color: var(--error); font-size: .84rem; }
.req { color: var(--error); }

.checkbox-field { grid-template-columns: auto 1fr; align-items: start; gap: 10px; }
.checkbox-field input { width: 22px; height: 22px; min-height: 22px; margin-top: 2px; accent-color: var(--primary); }
.checkbox-field label { font-weight: 400; color: var(--text); font-size: .92rem; line-height: 1.5; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-disclaimer { margin: 4px 0 0; font-size: .82rem; color: var(--muted); }

.form-status { font-size: .96rem; font-weight: 500; padding: 0; }
.form-status.is-success { color: var(--cta); background: rgba(21, 128, 61, 0.08); border: 1px solid rgba(21, 128, 61, 0.25); border-radius: var(--radius-sm); padding: 14px 16px; }
.form-status.is-error { color: var(--error); background: rgba(220, 38, 38, 0.06); border: 1px solid rgba(220, 38, 38, 0.25); border-radius: var(--radius-sm); padding: 14px 16px; }

/* ---------- Legal / contacts ---------- */
.legal-grid { display: grid; gap: 16px; margin-bottom: 22px; }
.legal-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.legal-card h3 { margin-bottom: 14px; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.contact-list li { display: grid; gap: 2px; }
.contact-list span { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.contact-list strong { font-weight: 600; color: var(--ink); }
.contact-list a { color: var(--primary); text-decoration: none; }
.doc-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.doc-links a { color: var(--primary); text-decoration: none; font-weight: 500; }
.doc-links a:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { background: #082F49; color: #CBD5E1; }
.footer-inner { display: grid; gap: 28px; padding: 44px 0 32px; }
.footer-brand .brand-name { color: #fff; display: block; margin-bottom: 8px; }
.footer-brand p { color: #94A3B8; font-size: .92rem; margin: 0 0 8px; }
.footer-domain { color: var(--secondary) !important; font-weight: 600; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { color: #fff; font-size: .95rem; margin: 0 0 4px; text-transform: uppercase; letter-spacing: .04em; }
.footer-col a { color: #CBD5E1; text-decoration: none; font-size: .94rem; }
.footer-col a:hover { color: #fff; }
.footer-company { color: #94A3B8; font-size: .92rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 18px 0; }
.footer-bottom p { margin: 0 0 6px; font-size: .82rem; color: #94A3B8; }
.footer-bottom p:last-child { margin: 0; }

/* ============================================================
   Responsive
   ============================================================ */
@media (min-width: 600px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(3, 1fr); }
  .legal-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-cta .btn { flex: 0 1 auto; }
}

@media (min-width: 768px) {
  body { font-size: 18px; }
  .section { padding: 80px 0; }
  .site-nav { display: flex; }
  .header-cta { margin-left: 0; }
  .footer-inner { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
  .cond-list { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .hero { padding: 72px 0 80px; }
  .hero-inner { grid-template-columns: 1.25fr 1fr; align-items: center; gap: 48px; }
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .card-grid.two { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(5, 1fr); }
  .steps li { flex-direction: column; }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

/* ---------- Legal / prose pages ---------- */
.prose { max-width: var(--container-narrow); }
.prose h1 { margin-bottom: .2em; }
.prose .updated { color: var(--muted); font-size: .92rem; margin: 0 0 2rem; }
.prose h2 { font-size: 1.3rem; margin-top: 1.8em; margin-bottom: .5em; }
.prose p, .prose li { color: var(--text); }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.1rem; }
.prose li { margin-bottom: .45em; }
.back-link { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 1.5rem; color: var(--primary); text-decoration: none; font-weight: 500; }
.back-link:hover { text-decoration: underline; }