/* XeonTech site. Light theme: airy off-white surfaces, soft blue tints,
   one brand accent. Palette: ink navy #14273E for text, slate #3B5A7C
   for secondary, accent #008DDA, surfaces #FFFFFF / #F4F8FB / #E9F2F9.
   8px layout grid, square buttons, flat blocks, gentle transitions. */
:root {
  --ink: #14273E;
  --slate: #3B5A7C;
  --muted: #5E7189;
  --accent: #008DDA;
  --accent-dark: #0071AE;
  --accent-soft: #E3F2FB;
  --paper: #FFFFFF;
  --mist: #F4F8FB;
  --tint: #E9F2F9;
  --line: #DCE6EF;
  --radius: 4px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, "Segoe UI", sans-serif;
  font-size: 16px; line-height: 1.6;
  color: var(--ink); background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  color: var(--ink); line-height: 1.2; letter-spacing: -0.01em;
}
.wrap { max-width: 1128px; margin: 0 auto; padding: 0 24px; }
.skip {
  position: absolute; left: -9999px; top: 8px; z-index: 100;
  background: var(--ink); color: #fff; padding: 8px 16px;
}
.skip:focus { left: 8px; }

/* buttons: square, high contrast */
.btn {
  display: inline-block; padding: 14px 28px;
  font: 600 15px "Inter", sans-serif; text-decoration: none;
  border-radius: var(--radius); border: 2px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}
.btn.solid { background: var(--accent); color: #fff; }
.btn.solid:hover { background: var(--accent-dark); }
.btn.outline { border-color: var(--accent); color: var(--accent); }
.btn.outline:hover { background: var(--accent); color: #fff; }

/* ---------------- header ---------------- */
header.site {
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.nav-row {
  display: flex; align-items: center; gap: 32px; height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--ink);
  font: 700 19px "Plus Jakarta Sans", sans-serif; letter-spacing: .01em;
}
.brand svg { display: block; }
.nav-links { display: flex; gap: 8px; margin-left: auto; }
.nav-links a {
  color: var(--slate); text-decoration: none; font: 500 15px "Inter", sans-serif;
  padding: 8px 12px; border-radius: var(--radius);
}
.nav-links a:hover { color: var(--ink); background: var(--mist); }
.nav-cta { margin-left: 8px; }
.nav-cta .btn { padding: 10px 20px; }
#burger {
  display: none; margin-left: auto; background: none; border: 0;
  cursor: pointer; padding: 8px;
}
#burger span {
  display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0;
}
#mobile-menu {
  background: var(--paper); border-top: 1px solid var(--line);
  padding: 8px 24px 24px; display: flex; flex-direction: column; gap: 4px;
}
#mobile-menu[hidden] { display: none; }
#mobile-menu a {
  color: var(--slate); text-decoration: none; padding: 12px 8px;
  border-bottom: 1px solid var(--line); font-weight: 500;
}

/* ---------------- hero ---------------- */
.hero {
  background: linear-gradient(180deg, var(--tint) 0%, var(--mist) 70%, var(--paper) 100%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px;
  align-items: center; padding-block: 88px 96px;
}
.hero h1 {
  font-size: 44px; font-weight: 800; margin: 16px 0 24px;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.eyebrow {
  font: 600 13px "Inter", sans-serif; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent-dark);
}
.hero .lede { font-size: 18px; color: var(--slate); max-width: 52ch; }
.cta-row { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.hero-art {
  justify-self: end; width: 100%; max-width: 460px;
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px;
  box-shadow: 0 12px 32px rgba(20, 39, 62, .08);
}
.hero-art svg { width: 100%; height: auto; display: block; }
.hero-note { margin-top: 24px; font-size: 14px; color: var(--muted); }

/* ---------------- sections ---------------- */
section.block { padding: 96px 0; }
section.block.alt { background: var(--mist); border-block: 1px solid var(--line); }
.kicker {
  font: 600 13px "Inter", sans-serif; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent-dark);
}
section.block h2 { font-size: 34px; margin: 12px 0 16px; }
.section-sub { color: var(--muted); max-width: 62ch; margin-bottom: 48px; }

/* services grid */
.svc-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.svc {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px;
  display: flex; flex-direction: column;
  transition: box-shadow .15s, border-color .15s;
}
.svc:hover { border-color: #BFD8EA; box-shadow: 0 8px 24px rgba(20, 39, 62, .07); }
.svc .icon {
  width: 48px; height: 48px; border-radius: var(--radius);
  background: var(--accent-soft); color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.svc h3 { font-size: 19px; margin-bottom: 8px; }
.svc p { color: var(--muted); font-size: 15px; flex: 1; }
.svc .more {
  margin-top: 24px; font: 600 14px "Inter", sans-serif;
  color: var(--accent); text-decoration: none;
}
.svc .more:hover { text-decoration: underline; }

/* trust grid */
.trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.trust {
  border-left: 3px solid var(--accent); background: var(--paper);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px; border-top: 1px solid var(--line);
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.trust .icon { color: var(--slate); margin-bottom: 16px; }
.trust h3 { font-size: 16px; margin-bottom: 10px; }
.trust p { font-size: 14px; color: var(--muted); }

/* product banner: soft tinted card, accent edge */
.product {
  background: var(--tint); border: 1px solid #CBE0EF;
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 48px; display: grid; grid-template-columns: 1fr auto;
  gap: 48px; align-items: center;
}
.product h3 { font-size: 26px; margin-bottom: 12px; }
.product p { color: var(--slate); max-width: 60ch; }
.product .tag {
  display: inline-block; font: 600 12px "Inter", sans-serif;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent-dark);
  margin-bottom: 16px;
}

/* contact */
.contact-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.contact-card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px; text-align: left;
}
.contact-card .icon { color: var(--accent); margin-bottom: 16px; }
.contact-card h3 { font-size: 17px; margin-bottom: 10px; }
.contact-card p { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
/* card body text breathes: looser leading + slight letter spacing */
.svc p, .trust p, .contact-card p, .quote p, .product p {
  line-height: 1.75; letter-spacing: .005em;
}
.contact-card a {
  color: var(--accent); font-weight: 600; text-decoration: none;
}
.contact-card a:hover { text-decoration: underline; }

/* reviews: equal-height cards; long reviews clamp instead of
   stretching the row */
.quote-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  align-items: stretch;
}
.quote {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
  display: flex; flex-direction: column;
}
.quote .stars { color: #E8A213; letter-spacing: 2px; margin-bottom: 12px; }
.quote p {
  color: var(--slate); font-size: 14.5px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 8;
  -webkit-box-orient: vertical; overflow: hidden;
}
.quote footer {
  margin-top: 16px; font: 600 13px "Inter", sans-serif;
  color: var(--muted);
}

/* seo text */
.seo-cols { columns: 2; column-gap: 48px; color: var(--slate); font-size: 15px; }
.seo-cols p { margin-bottom: 16px; break-inside: avoid; }

/* ---------------- footer: light, soft step down ---------------- */
footer.site {
  background: var(--mist); color: var(--slate);
  border-top: 1px solid var(--line);
}
.foot-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px;
  padding: 64px 24px;
}
footer.site h4 {
  color: var(--ink); font-size: 14px; letter-spacing: .08em;
  text-transform: uppercase; margin-bottom: 16px;
}
footer.site nav { display: flex; flex-direction: column; gap: 8px; }
footer.site a { color: var(--slate); text-decoration: none; font-size: 15px; }
footer.site a:hover { color: var(--accent-dark); text-decoration: underline; }
.foot-brand p { font-size: 14px; color: var(--muted); margin-top: 16px; max-width: 36ch; }
.foot-base {
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px;
  padding: 24px; font-size: 13px; color: var(--muted); flex-wrap: wrap;
}

/* legal pages */
.legal { padding: 64px 0 96px; max-width: 760px; }
.legal h1 { font-size: 34px; margin-bottom: 8px; }
.legal .updated { color: var(--muted); font-size: 14px; margin-bottom: 40px; }
.legal h2 { font-size: 21px; margin: 40px 0 12px; }
.legal p, .legal li { color: var(--ink); }
.legal ul { padding-left: 24px; margin: 12px 0; }
.legal a { color: var(--accent); }

/* ---------------- responsive ---------------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; padding-block: 64px; }
  .hero-art { display: none; }
  .hero h1 { font-size: 34px; }
  .svc-grid, .contact-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid, .quote-grid { grid-template-columns: 1fr 1fr; }
  .product { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .seo-cols { columns: 1; }
}
@media (max-width: 640px) {
  .nav-links, .nav-cta { display: none; }
  #burger { display: block; }
  section.block { padding: 64px 0; }
  .svc-grid, .contact-grid, .trust-grid, .quote-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
}