:root {
  --blue: #018DB1;
  --blue-dark: #01718E;
  --bg-dark: #14181B;
  --bg-light: #F5F7F9;
  --ink: #181617;
  --white: #FFFFFF;
  --font-head: Arial, Helvetica, sans-serif;
  --font-body: Calibri, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-head); font-weight: 700; line-height: 1.15; margin: 0 0 0.5em; }
p { margin: 0 0 1em; max-width: 60ch; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
section, .site-footer { scroll-margin-top: 105px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: rgba(20, 24, 27, 0.92);
  backdrop-filter: blur(6px);
}
.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  display: inline-flex;
  align-items: center;
}
.logo-img { height: 84px; width: auto; display: block; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--white); font-size: 15px; }
.nav a:hover { color: var(--blue); }
.nav-cta {
  background: var(--blue);
  padding: 9px 18px;
  border-radius: 6px;
  color: var(--white) !important;
}
.nav-cta:hover { background: var(--blue-dark); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--white); }

/* ---------- Hero ---------- */
.hero {
  background: var(--bg-dark);
  color: var(--white);
  padding: 150px 0 90px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}
.hero h1 {
  font-size: 44px;
  color: var(--white);
  max-width: 14ch;
}
.hero-sub { color: #C7D0D4; font-size: 17px; max-width: 46ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-body);
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { border: 1px solid rgba(255,255,255,0.35); color: var(--white); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.hero-graphic { width: 100%; height: auto; }

/* ---------- Services ---------- */
.services { padding: 90px 0; }
.services h2, .about h2 { font-size: 32px; color: var(--ink); max-width: 16ch; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 26px 22px;
  box-shadow: 0 12px 30px rgba(24, 22, 23, 0.06);
}
.service-icon { width: 30px; height: 30px; color: var(--blue); margin-bottom: 16px; }
.service-card h3 { font-size: 17px; margin-bottom: 8px; }
.service-card p { font-size: 14.5px; color: #4A5256; margin-bottom: 0; }

/* ---------- About ---------- */
/* ---------- Why ---------- */
.why { background: var(--bg-dark); color: var(--white); padding: 90px 0; }
.why h2 { color: var(--white); font-size: 32px; max-width: 16ch; }
.why-list {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 48px;
}
.why-item { display: flex; gap: 18px; align-items: flex-start; }
.why-mark {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 6px;
  padding: 3px 8px;
  flex-shrink: 0;
}
.why-item h3 { font-size: 17px; color: var(--white); margin-bottom: 6px; }
.why-item p { color: #C7D0D4; font-size: 14.5px; margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq { padding: 90px 0; }
.faq h2 { font-size: 32px; color: var(--ink); max-width: 16ch; }
.faq-list { margin-top: 32px; max-width: 760px; }
.faq-item {
  border-bottom: 1px solid #E1E6E9;
  padding: 18px 0;
}
.faq-item summary {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--blue);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 12px 0 0; color: #4A5256; font-size: 15px; max-width: 60ch; }


.about { padding: 90px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items: start;
}
.about-copy p { font-size: 16.5px; color: #333; }
.about-facts {
  border-left: 2px solid var(--blue);
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about-facts li { font-size: 15px; color: var(--ink); }

/* ---------- Footer / Contact ---------- */
.site-footer { background: var(--bg-dark); color: var(--white); padding: 90px 0 30px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.footer-copy h2 { color: var(--white); font-size: 30px; max-width: 14ch; }
.footer-copy p { color: #C7D0D4; }
.contact-list { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.contact-list a { color: var(--blue); font-size: 16px; }
.contact-list a:hover { color: var(--white); }

.contact-form { display: flex; flex-direction: column; gap: 14px; }
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13.5px;
  color: #C7D0D4;
}
.contact-form input, .contact-form textarea {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 11px 13px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
  color: var(--white);
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
}
.contact-form .btn { align-self: flex-start; border: none; cursor: pointer; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 70px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 13px;
  color: #889296;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-inner, .about-grid, .footer-inner, .why-list { grid-template-columns: 1fr; }
  .hero-graphic { display: none; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .nav { position: fixed; top: 62px; left: 0; right: 0; background: var(--bg-dark); flex-direction: column; align-items: flex-start; padding: 20px 24px; gap: 18px; display: none; }
  .nav.open { display: flex; }
  .nav-cta { align-self: flex-start; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 32px; max-width: none; }
}
@media (max-width: 560px) {
  .service-grid { grid-template-columns: 1fr; }
}

/* ---------- Accessibility ---------- */
a:focus-visible, button:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
