/* ============================================================
   QSpot Technologies — Corporate site stylesheet
   Brand palette (from the QSpot logo):
     Aubergine  #3F1842  (primary)
     Steel blue #4D72A0  (accent — the logo's drop-shadow)
     White      #FFFFFF  (wordmark)
   Automatic light/dark, with a manual toggle (html[data-theme]).
   ============================================================ */

:root {
  --primary: #3F1842;
  --primary-dark: #2A0F2D;
  --primary-light: #7A3A7C;
  --accent: #4D72A0;
  --accent-light: #7BA0CC;
  --text: #1a1a2e;
  --muted: #555;
  --bg: #ffffff;
  --bg-soft: #f7f5fa;
  --surface: #ffffff;
  --border: #e6e3ee;
  --shadow-sm: 0 2px 10px rgba(63, 24, 66, 0.07);
  --shadow-md: 0 10px 34px rgba(63, 24, 66, 0.12);
  --radius: 14px;
  --radius-lg: 22px;
  --max: 1140px;
  --t: 0.25s ease;
}

.dark-vars,
html[data-theme="dark"] {
  --primary-light: #c79ac8;
  --text: #e9e5f0;
  --muted: #a8a2b6;
  --bg: #100e16;
  --bg-soft: #181421;
  --surface: #1d1929;
  --border: #322a3e;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 10px 34px rgba(0, 0, 0, 0.55);
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --primary-light: #c79ac8;
    --text: #e9e5f0;
    --muted: #a8a2b6;
    --bg: #100e16;
    --bg-soft: #181421;
    --surface: #1d1929;
    --border: #322a3e;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.45);
    --shadow-md: 0 10px 34px rgba(0, 0, 0, 0.55);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; color-scheme: light dark; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
section { padding: 96px 0; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 700; color: var(--accent); }

.skip { position: absolute; left: 16px; top: -120%; background: var(--primary); color: #fff; padding: 8px 16px; border-radius: 8px; z-index: 9999; }
.skip:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---- Navbar ---- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding-top: env(safe-area-inset-top, 0);
  transition: box-shadow var(--t);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav-in { max-width: var(--max); margin: 0 auto; padding: 0 24px; height: 66px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 1.22rem; color: var(--text); }
.brand img { width: 36px; height: 36px; border-radius: 10px; }
.brand span { color: var(--primary-light); }
.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; }
.nav-links a { font-size: 0.94rem; font-weight: 500; color: var(--muted); transition: color var(--t); }
.nav-links a:hover { color: var(--primary-light); }
.nav-cta { background: var(--primary); color: #fff !important; padding: 9px 18px; border-radius: 10px; font-weight: 600; }
.nav-cta:hover { background: var(--primary-dark); }
.nav-tools { display: flex; align-items: center; gap: 14px; }
.theme-toggle { background: none; border: 1px solid var(--border); color: var(--text); width: 40px; height: 40px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: border-color var(--t); }
.theme-toggle:hover { border-color: var(--primary-light); }
.theme-toggle .sun { display: none; }
html[data-theme="dark"] .theme-toggle .sun { display: block; }
html[data-theme="dark"] .theme-toggle .moon { display: none; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .theme-toggle .sun { display: block; }
  html:not([data-theme="light"]) .theme-toggle .moon { display: none; }
}
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.burger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--t); }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 24px; border-radius: 11px; font-weight: 600; font-size: 0.97rem; cursor: pointer; border: 1px solid transparent; transition: transform var(--t), background var(--t), border-color var(--t); }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary-light); }

/* ---- Hero ---- */
.hero { position: relative; padding: 110px 0 96px; background:
  radial-gradient(1100px 480px at 78% -8%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%),
  radial-gradient(900px 420px at 0% 8%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 55%); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; margin: 16px 0 18px; }
.hero h1 .grad { background: linear-gradient(120deg, var(--primary-light), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.16rem; color: var(--muted); max-width: 36em; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.hero-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px; box-shadow: var(--shadow-md);
}
.hero-card .logo-tile { width: 64px; height: 64px; border-radius: 16px; box-shadow: var(--shadow-sm); }
.hero-card h3 { margin: 18px 0 8px; font-size: 1.18rem; }
.hero-card p { color: var(--muted); font-size: 0.95rem; }
.hero-card .row { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 0.9rem; color: var(--muted); }
.hero-card .row b { color: var(--text); }

/* ---- Section headers ---- */
.sec-head { max-width: 640px; margin-bottom: 52px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); font-weight: 800; margin: 12px 0 14px; }
.sec-head p { color: var(--muted); font-size: 1.08rem; }

/* ---- Mission ---- */
.mission { background: var(--bg-soft); }
.mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.mission-grid p { color: var(--muted); margin-bottom: 16px; }
.mission-grid p:last-child { margin-bottom: 0; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-content: start; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.stat .n { font-size: 1.9rem; font-weight: 800; color: var(--primary-light); }
.stat .l { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }

/* ---- Product ---- */
.product-card {
  display: grid; grid-template-columns: auto 1fr auto; gap: 26px; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 34px; box-shadow: var(--shadow-md);
}
.product-card .icon { width: 84px; height: 84px; border-radius: 20px; box-shadow: var(--shadow-sm); }
.product-card h3 { font-size: 1.4rem; }
.product-card .tagline { color: var(--accent); font-weight: 600; font-size: 0.92rem; margin: 2px 0 10px; }
.product-card p { color: var(--muted); font-size: 0.98rem; max-width: 48em; }
.product-card .meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.chip { font-size: 0.78rem; font-weight: 600; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; }
.product-actions { display: flex; flex-direction: column; gap: 10px; }

/* ---- Values ---- */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.value {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}
.value:hover { transform: translateY(-4px); border-color: var(--primary-light); box-shadow: var(--shadow-md); }
.value .ico { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; background: color-mix(in srgb, var(--accent) 14%, transparent); margin-bottom: 16px; }
.value h3 { font-size: 1.08rem; margin-bottom: 8px; }
.value p { color: var(--muted); font-size: 0.93rem; }

/* ---- Contact / CTA ---- */
.contact { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #1a2740 100%); color: #fff; border-radius: var(--radius-lg); padding: 64px 40px; text-align: center; }
.contact h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); font-weight: 800; margin-bottom: 12px; }
.contact p { color: rgba(255,255,255,0.78); max-width: 40em; margin: 0 auto 28px; }
.contact .btn-primary { background: #fff; color: var(--primary); }
.contact .btn-primary:hover { background: #f0e9f2; }
.contact .email { display: inline-block; margin-top: 20px; color: var(--accent-light); font-weight: 600; }

/* ---- Footer ---- */
.footer { background: #0e0b14; color: rgba(255,255,255,0.62); padding: 56px 0 calc(28px + env(safe-area-inset-bottom, 0px)); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer .brand { color: #fff; margin-bottom: 12px; }
.footer .brand span { color: var(--accent-light); }
.footer-brand p { color: rgba(255,255,255,0.62); font-size: 0.9rem; max-width: 30em; }
.footer h4 { color: #fff; font-size: 0.92rem; margin-bottom: 14px; }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer ul a { color: rgba(255,255,255,0.72); font-size: 0.9rem; transition: color var(--t); }
.footer ul a:hover { color: var(--accent-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 22px; font-size: 0.84rem; color: rgba(255,255,255,0.62); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* ---- Responsive ---- */
@media (max-width: 880px) {
  section { padding: 72px 0; }
  .hero { padding: 72px 0 64px; }
  .hero-grid, .mission-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-card { order: -1; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .product-card { grid-template-columns: 1fr; text-align: left; }
  .product-actions { flex-direction: row; flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-tools .theme-toggle { display: inline-flex; }
  .burger { display: flex; }
  .nav-links {
    position: absolute; top: 66px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: flex-start; gap: 4px;
    padding: 12px 24px 18px; display: none; box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 10px 0; width: 100%; }
  .nav-cta { display: inline-block; }
}
@media (max-width: 520px) {
  .values-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
  .btn:hover, .value:hover { transform: none; }
}