:root {
  /* Logo colours */
  --k-green: #009444;
  --k-blue: #1172ba;
  --k-yellow: #f8b414;
  --k-red: #e3242b;

  --bg: #ffffff;
  --bg-alt: #f4f7f6;
  --ink: #14202a;
  --ink-soft: #4b5864;
  --line: #dfe5e8;
  --brand: #0d5c99;          /* darker logo blue: links, numbers */
  --accent: #007a38;         /* darker logo green: buttons, highlights (AA on white) */
  --accent-ink: #ffffff;
  --contact-bg: linear-gradient(135deg, #0b4f86 0%, #1172ba 100%);
  --card: #ffffff;
  --radius: 14px;
  --max: 1120px;
  --shadow: 0 1px 2px rgba(20, 32, 42, .06), 0 8px 24px rgba(20, 32, 42, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1519;
    --bg-alt: #121d22;
    --ink: #e9eff1;
    --ink-soft: #a9b7bd;
    --line: #26363d;
    --brand: #6cb6ee;
    --accent: #3cc47a;
    --accent-ink: #04210f;
    --contact-bg: linear-gradient(135deg, #0b3557 0%, #0f4d80 100%);
    --card: #15232a;
    --shadow: none;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--brand); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.015em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 750; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.25rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 650; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--card); padding: 8px 12px; z-index: 100; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
/* Four-colour stripe echoing the logo arcs */
.site-header::before {
  content: ""; display: block; height: 4px;
  background: linear-gradient(90deg,
    var(--k-blue) 0 25%, var(--k-yellow) 25% 50%, var(--k-red) 50% 75%, var(--k-green) 75% 100%);
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 750; font-size: 1.15rem; }
.logo img { height: 40px; width: auto; }
@media (prefers-color-scheme: dark) {
  .logo img { background: #fff; border-radius: 8px; padding: 3px 8px; box-sizing: content-box; height: 34px; }
}
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--ink-soft); text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav a:hover { color: var(--ink); }
.lang { display: flex; gap: 4px; }
.lang a {
  font-size: .8rem; font-weight: 600; text-decoration: none; color: var(--ink-soft);
  padding: 4px 8px; border-radius: 6px; border: 1px solid transparent;
}
.lang a[aria-current="true"] { color: var(--ink); border-color: var(--line); }

/* Buttons */
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 10px;
  font-weight: 650; text-decoration: none; font-size: 1rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 35%, transparent); }
.btn-ghost { color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink-soft); }

/* Hero */
.hero { padding: 88px 0 72px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(600px 300px at 88% 8%, color-mix(in srgb, var(--k-green) 16%, transparent), transparent 70%),
    radial-gradient(420px 260px at 70% 85%, color-mix(in srgb, var(--k-yellow) 14%, transparent), transparent 70%),
    radial-gradient(500px 300px at 8% 92%, color-mix(in srgb, var(--k-blue) 12%, transparent), transparent 70%);
}
.eyebrow { display: inline-block; font-size: .85rem; font-weight: 650; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.hero h1 { max-width: 18ch; }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 44px 0 0; padding: 0; list-style: none; color: var(--ink-soft); font-size: .95rem; }
.facts li::before { content: "✓"; color: var(--accent); font-weight: 700; margin-right: 8px; }

/* Sections */
section { padding: 80px 0; }
.alt { background: var(--bg-alt); }
.section-head { max-width: 64ch; margin-bottom: 40px; }
.section-head p { color: var(--ink-soft); font-size: 1.08rem; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.card p { color: var(--ink-soft); }
.card ul { margin: 0; padding-left: 1.1em; color: var(--ink-soft); font-size: .95rem; }
.card li { margin: 4px 0; }
.icon {
  width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); margin-bottom: 16px;
}
.icon svg { width: 24px; height: 24px; }
/* Service icons cycle through the logo colours */
.card:nth-child(4n+1) .icon { --ic: var(--k-blue); }
.card:nth-child(4n+2) .icon { --ic: var(--k-green); }
.card:nth-child(4n+3) .icon { --ic: #c98a00; }
.card:nth-child(4n+4) .icon { --ic: var(--k-red); }
.card .icon[class] { background: color-mix(in srgb, var(--ic, var(--accent)) 13%, transparent); color: var(--ic, var(--accent)); }

.steps { counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--k-blue); color: #fff; font-weight: 700; margin-bottom: 14px;
}
.step:nth-child(2)::before { background: var(--k-yellow); color: #3a2a00; }
.step:nth-child(3)::before { background: var(--k-red); }
.step:nth-child(4)::before { background: var(--k-green); }
.step p { color: var(--ink-soft); font-size: .97rem; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 650; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { margin: 12px 0 0; color: var(--ink-soft); }

/* Contact */
.contact { background: var(--contact-bg); color: #fff; border-radius: 20px; padding: 56px 40px; position: relative; overflow: hidden; }
.contact::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; border-radius: 50%;
  border: 22px solid var(--k-yellow); border-left-color: transparent; border-bottom-color: transparent; opacity: .35;
  transform: rotate(-20deg); pointer-events: none;
}
.contact h2 { color: #fff; }
.contact p { color: rgba(255,255,255,.85); max-width: 56ch; }
.contact .btn-primary { background: #fff; color: #007a38; }
.contact-list { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 12px 36px; }
.contact-list a { color: #fff; }
.contact-list span { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; opacity: .7; }

/* Footer */
.site-footer { padding: 36px 0 48px; color: var(--ink-soft); font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

@media (max-width: 820px) {
  .nav { display: none; }
  .lang { margin-left: auto; }
  section { padding: 60px 0; }
  .hero { padding: 56px 0 48px; }
  .contact { padding: 40px 24px; }
  .wrap { padding: 0 16px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }