/* ===========================================================
   RNSoft Solutions — main stylesheet
   Design tokens
   =========================================================== */
:root {
  --blue: #267dc5;
  --blue-dark: #1b5e96;
  --blue-light: #eaf3fb;
  --gold: #f7b819;
  --dark: #0a0a0a;
  --text: #111827;
  --text-muted: #4b5563;
  --text-light: #9ca3af;
  --border: #e5e7eb;
  --bg: #ffffff;
  --bg-alt: #f7f9fb;
  --radius: 16px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 18px 50px rgba(16, 42, 67, 0.12);
  --font: "Poppins", "Inter", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
svg { display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }

/* accessible focus */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 6px;
}

/* ---------- typography ---------- */
h1 { font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.1; font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 700; }
.accent { color: var(--blue); }
.gold { color: var(--gold); }
.section-title { text-align: center; margin-bottom: 16px; }
.section-sub { text-align: center; color: var(--text-muted); max-width: 640px; margin: 0 auto 56px; }
.lead { color: var(--text-muted); font-size: 1.15rem; margin: 20px 0 32px; }
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--blue); background: var(--blue-light);
  padding: 7px 16px; border-radius: var(--radius-pill);
}

/* ---------- buttons & chips ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; border: none; cursor: pointer;
  border-radius: var(--radius-pill); font-family: var(--font);
  font-weight: 600; font-size: 1rem; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: #1f1f1f; }
.btn-outline { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: var(--gold); color: var(--dark); }
.btn-light { background: #fff; color: var(--dark); }
.chip {
  display: inline-flex; align-items: center; gap: 8px; background: #eef0f3; border-radius: var(--radius-pill);
  padding: 10px 18px; font-size: .9rem; font-weight: 500; color: var(--text);
}
.chip svg { width: 16px; height: 16px; color: var(--blue); }
.tag {
  display: inline-block; background: #fdf3d7; color: #b07c0a;
  border-radius: var(--radius-pill); padding: 4px 14px; font-size: .8rem; font-weight: 600;
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(10px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
  transition: box-shadow .2s ease;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08); }
.header-inner { display: flex; align-items: center; gap: 32px; height: 78px; }

/* logo (original brand logo image) */
.logo-link { display: flex; align-items: center; }
.logo-img { height: 52px; width: auto; }

.main-nav { display: flex; gap: 28px; margin-left: auto; }
.main-nav a { font-weight: 500; color: var(--text); transition: color .15s; }
.main-nav a:hover { color: var(--blue); }
.header-cta { padding: 12px 28px; }
.nav-toggle { display: none; background: none; border: none; color: var(--dark); cursor: pointer; }
.nav-toggle svg { width: 26px; height: 26px; }

/* ---------- hero ---------- */
.hero { background: linear-gradient(160deg, #fbfbfc 0%, #eef3f8 100%); padding: 76px 0 110px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero-content .eyebrow { margin-bottom: 22px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-chips { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 36px; }
.hero-visual { position: relative; }
.hero-img { border-radius: 20px; box-shadow: var(--shadow-lg); width: 100%; height: auto; object-fit: cover; }
.stat-card {
  position: absolute; background: #fff; border-radius: 14px; box-shadow: var(--shadow);
  padding: 16px 26px; text-align: center;
}
.stat-card-top { top: -28px; right: -24px; }
.stat-card-bottom { bottom: -28px; left: -24px; }
.stat-value { font-size: 1.5rem; font-weight: 800; }
.stat-gold { color: var(--gold); }
.stat-label { font-size: .85rem; color: var(--text-muted); }

/* ---------- cards & grids ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #d7e3ef; }
.icon-box {
  width: 56px; height: 56px; border-radius: 14px; background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s ease;
}
.icon-box svg { width: 26px; height: 26px; color: var(--blue); transition: color .2s ease; }
.card:hover .icon-box { background: var(--blue); }
.card:hover .icon-box svg { color: #fff; }

/* feature cards */
.feature-card { text-align: center; }
.feature-card .icon-box { margin: 0 auto 18px; }
.feature-card p { color: var(--text-muted); margin-top: 8px; }

/* service cards */
.service-head { display: flex; align-items: center; gap: 18px; margin-bottom: 18px; }
.service-card > p { color: var(--text-muted); margin-bottom: 18px; }
.check-list { list-style: none; }
.check-list li { padding-left: 28px; position: relative; margin-bottom: 8px; color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 700; }

/* process steps */
.step-card { text-align: center; }
.step-number { font-size: 2.4rem; font-weight: 800; color: var(--blue); margin-bottom: 8px; }
.step-tagline { font-weight: 600; color: var(--text); margin: 6px 0 12px; }
.step-card p:last-child { color: var(--text-muted); }

/* case studies */
.case-card { border-left: 4px solid var(--blue); }
.case-head { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; }
.case-card h4 { margin: 18px 0 6px; font-size: 1rem; }
.case-card p { color: var(--text-muted); }
.results-row { display: flex; gap: 24px; margin-top: 14px; flex-wrap: wrap; }
.result { text-align: center; flex: 1; min-width: 90px; }
.result-value { display: block; font-size: 1.4rem; font-weight: 800; color: var(--blue); }
.result-label { font-size: .8rem; color: var(--text-muted); }

/* blog */
.blog-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.blog-meta .date { font-size: .85rem; color: var(--text-light); }
.blog-card p { color: var(--text-muted); margin: 10px 0 18px; }
.blog-foot { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border); padding-top: 14px; font-size: .9rem; color: var(--text-light); }
.read-more { color: var(--blue); font-weight: 600; transition: gap .15s; }

/* ---------- CTA banner ---------- */
.cta-banner { background: var(--dark); color: #fff; text-align: center; padding: 90px 0; }
.cta-banner h2 { max-width: 900px; margin: 0 auto 20px; }
.cta-banner p { color: #d1d5db; max-width: 640px; margin: 0 auto 32px; }

/* ---------- contact ---------- */
.contact {
  /* TODO: switch to local assets/world-map.jpg once added to the repo */
  background: var(--dark) url("https://rnsoftsolutions.com/assets/world-map-CkFGuLfU.jpg") center/cover no-repeat;
  background-blend-mode: soft-light; color: #fff;
}
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; }
.contact-info > p { color: #d1d5db; margin: 16px 0 32px; }
.info-card {
  display: flex; align-items: center; gap: 18px; background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 14px;
  padding: 20px 24px; margin-bottom: 18px; transition: background .2s ease;
}
.info-card:hover { background: rgba(255, 255, 255, 0.1); }
.info-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: rgba(247, 184, 25, 0.12); display: flex; align-items: center; justify-content: center;
}
.info-icon svg { width: 22px; height: 22px; color: var(--gold); }
.info-label { display: block; font-size: .75rem; letter-spacing: .08em; color: var(--text-light); }
.info-value { display: block; font-weight: 600; color: #fff; }
.contact-form-wrap > p { color: #d1d5db; margin-bottom: 28px; }
.contact-form-wrap h3 { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
#contactForm input, #contactForm textarea {
  width: 100%; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px; padding: 16px 18px; color: #fff; font-family: var(--font);
  font-size: 1rem; margin-bottom: 18px; resize: vertical;
}
#contactForm input::placeholder, #contactForm textarea::placeholder { color: var(--text-light); }
#contactForm input:focus, #contactForm textarea:focus { outline: 2px solid var(--blue); border-color: transparent; }
.form-status { margin-top: 14px; font-size: .95rem; font-weight: 500; min-height: 1.2em; }
.form-status.ok { color: #6ee7a8; }
.form-status.err { color: #fca5a5; }

/* ---------- footer ---------- */
.site-footer { background: var(--dark); color: var(--text-light); border-top: 1px solid rgba(255,255,255,.08); padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a:hover { color: #fff; }
.footer-copy { text-align: right; font-size: .9rem; }
.footer-fine { font-size: .8rem; }

/* ---------- article / legal pages ---------- */
.article-wrap { max-width: 760px; margin: 0 auto; padding: 60px 24px 90px; }
.article-wrap .back-link { color: var(--blue); font-weight: 600; display: inline-block; margin-bottom: 28px; }
.article-wrap h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 16px; }
.article-meta { color: var(--text-light); font-size: .9rem; margin-bottom: 36px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.article-wrap h2 { font-size: 1.5rem; margin: 36px 0 14px; }
.article-wrap h3 { font-size: 1.2rem; margin: 28px 0 10px; }
.article-wrap p { color: var(--text-muted); margin-bottom: 18px; }
.article-wrap ul, .article-wrap ol { color: var(--text-muted); margin: 0 0 18px 24px; }
.article-wrap li { margin-bottom: 10px; }
.article-cta { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 32px; margin-top: 40px; text-align: center; }
.article-cta p { margin-bottom: 18px; }

/* ---------- scroll-reveal (calm micro-interaction) ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- scroll-to-top ---------- */
.scroll-top {
  position: fixed; right: 28px; bottom: 28px; width: 48px; height: 48px;
  border-radius: 50%; border: none; background: var(--blue); color: #fff;
  cursor: pointer; opacity: 0; pointer-events: none;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .2s ease, transform .2s ease; z-index: 90;
}
.scroll-top svg { width: 20px; height: 20px; }
.scroll-top:hover { transform: translateY(-3px); }
.scroll-top.visible { opacity: 1; pointer-events: auto; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .stat-card-top { right: 8px; }
  .stat-card-bottom { left: 8px; }
}
@media (max-width: 768px) {
  .main-nav {
    display: none; position: absolute; top: 78px; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 24px; gap: 18px;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; margin-left: auto; }
  .header-cta { display: none; }
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner, .footer-copy { text-align: center; justify-content: center; }
}