/* ============================================================ */
/* REVERSIA — SEO landing pages (Krasnodar) — shared styles     */
/* Static pages, independent from the React app bundle          */
/* ============================================================ */

:root {
  --rv-teal: #0d9488;
  --rv-teal-dark: #0f766e;
  --rv-navy: #0F172A;
  --rv-paper: #F6F6F2;
  --rv-amber: #f59e0b;
  --rv-text-primary: #1f2937;
  --rv-text-secondary: #4b5563;
  --rv-text-muted: #6b7280;
  --rv-border: #e5e7eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'IBM Plex Sans', Arial, sans-serif;
  color: var(--rv-text-primary);
  background: var(--rv-paper);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'Manrope', Arial, sans-serif;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em 0;
}

a { color: inherit; }

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

.rv-container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.rv-landing-header {
  background: white;
  border-bottom: 1px solid var(--rv-border);
  padding: 14px 0;
}
.rv-landing-header .rv-container {
  display: flex;
  align-items: center;
  gap: 10px;
}
.rv-landing-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.rv-landing-logo img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--rv-teal);
  padding: 2px;
}
.rv-landing-logo span {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--rv-teal);
}

/* Hero */
.rv-hero {
  background: var(--rv-navy);
  color: white;
  padding: 56px 0 48px;
}
.rv-hero h1 {
  color: white;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  max-width: 720px;
}
.rv-hero p {
  color: rgba(255,255,255,0.78);
  font-size: 1.0625rem;
  max-width: 640px;
  margin: 0 0 28px 0;
}

/* Buttons */
.rv-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--rv-teal);
  color: white;
  text-decoration: none;
  font-weight: 700;
  font-family: 'IBM Plex Sans', sans-serif;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.rv-btn:hover {
  background: var(--rv-teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(13,148,136,0.35);
}
.rv-btn-note {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.55);
}

/* Sections */
.rv-section {
  padding: 48px 0;
}
.rv-section-alt {
  background: white;
}
.rv-section h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--rv-navy);
  margin-bottom: 24px;
}

/* Numbered steps */
.rv-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 18px;
}
.rv-steps li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.rv-steps .rv-step-num {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(13,148,136,0.12);
  color: var(--rv-teal);
  font-weight: 800;
  font-family: 'Manrope', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
}
.rv-steps p { margin: 0; color: var(--rv-text-secondary); }
.rv-steps strong { color: var(--rv-text-primary); }

/* Benefit / task list */
.rv-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.rv-list li {
  position: relative;
  padding-left: 26px;
  color: var(--rv-text-secondary);
}
.rv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--rv-amber);
}

/* FAQ (native details/summary — no JS needed, fully crawlable) */
.rv-faq-item {
  border-bottom: 1px solid var(--rv-border);
  padding: 16px 0;
}
.rv-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--rv-navy);
  font-family: 'Manrope', sans-serif;
  font-size: 1.0625rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.rv-faq-item summary::-webkit-details-marker { display: none; }
.rv-faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--rv-teal);
  flex-shrink: 0;
  transition: transform .15s ease;
}
.rv-faq-item[open] summary::after { transform: rotate(45deg); }
.rv-faq-item p {
  margin: 10px 0 0 0;
  color: var(--rv-text-secondary);
}

/* Final CTA band */
.rv-cta-band {
  background: var(--rv-navy);
  color: white;
  text-align: center;
  padding: 52px 0;
}
.rv-cta-band h2 { color: white; }
.rv-cta-band p { color: rgba(255,255,255,0.75); margin-bottom: 26px; }

/* Footer with cross-links to other landing pages */
.rv-landing-footer {
  background: white;
  border-top: 1px solid var(--rv-border);
  padding: 32px 0;
  font-size: 0.875rem;
  color: var(--rv-text-muted);
}
.rv-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 16px;
}
.rv-footer-links a {
  color: var(--rv-teal);
  text-decoration: none;
}
.rv-footer-links a:hover { text-decoration: underline; }

@media (max-width: 640px) {
  .rv-hero { padding: 40px 0 36px; }
  .rv-section { padding: 36px 0; }
}