/* ============================================================
   Yugo Inc. — corporate site styles
   Light + dark (prefers-color-scheme). Shared by index / terms / privacy.
   ============================================================ */
:root {
  color-scheme: light dark;
  --blue: #2563eb;
  --blue-strong: #1d4ed8;
  --blue-soft: #eef3ff;
  /* per-product accents */
  --gps: #2563eb;
  --dms: #6366f1;
  --pay: #10b981;
  --vin: #8b5cf6;
  --ink: #0b1220;
  --slate: #46566c;
  --muted: #6b7a90;
  --line: #e7ebf2;
  --bg: #ffffff;
  --bg-alt: #f7f9fc;
  --surface: #ffffff;          /* elevated card surface (lighter than section) */
  --footer-bg: #0b1220;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 12px 30px rgba(15, 23, 42, .07);
  --shadow-lg: 0 2px 6px rgba(15, 23, 42, .06), 0 26px 52px rgba(37, 99, 235, .14);
  --maxw: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --blue: #60a5fa;
    --blue-strong: #3b82f6;
    --blue-soft: rgba(96, 165, 250, .14);
    --gps: #60a5fa;
    --dms: #818cf8;
    --pay: #34d399;
    --vin: #a78bfa;
    --ink: #eef2f9;
    --slate: #aebbcd;
    --muted: #8493a8;
    --line: #1f2940;
    --bg: #080d18;
    --bg-alt: #0c1322;
    --surface: #121c30;        /* lighter than --bg / --bg-alt => cards elevate */
    --footer-bg: #05090f;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 14px 34px rgba(0, 0, 0, .5);
    --shadow-lg: 0 2px 8px rgba(0, 0, 0, .45), 0 30px 60px rgba(0, 0, 0, .55);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-strong); }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ── Nav ─────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.wordmark {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 750; font-size: 1.18rem; letter-spacing: -0.02em; color: var(--ink);
}
.wordmark .logo { width: 32px; height: 32px; flex: 0 0 auto; display: block; filter: drop-shadow(0 2px 6px rgba(37, 99, 235, .3)); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--slate); font-weight: 540; font-size: .95rem; }
.nav-links a:hover { color: var(--blue); }
.nav-cta {
  background: var(--blue); color: #fff !important; padding: 9px 16px;
  border-radius: 9px; font-weight: 600; font-size: .9rem;
  box-shadow: 0 2px 10px rgba(37, 99, 235, .3); transition: transform .15s, background .15s;
}
.nav-cta:hover { background: var(--blue-strong); transform: translateY(-1px); }

/* ── Hero ────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; padding: 104px 0 84px; text-align: center; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 50% -8%, color-mix(in srgb, var(--blue) 16%, transparent), transparent 70%),
    radial-gradient(40% 40% at 88% 8%, color-mix(in srgb, var(--vin) 12%, transparent), transparent 70%),
    radial-gradient(40% 40% at 10% 20%, color-mix(in srgb, var(--pay) 10%, transparent), transparent 70%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(70% 55% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 55% at 50% 0%, #000 30%, transparent 75%);
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); box-shadow: var(--shadow-sm);
  font-size: .82rem; font-weight: 600; color: var(--slate); margin-bottom: 22px;
}
.pill .dotmini { width: 7px; height: 7px; border-radius: 50%; background: var(--pay); box-shadow: 0 0 0 3px color-mix(in srgb, var(--pay) 22%, transparent); }
.hero h1 {
  font-size: clamp(2.5rem, 6.2vw, 4rem); line-height: 1.04;
  letter-spacing: -0.035em; margin: 0 0 18px; font-weight: 800;
}
.hero h1 .grad {
  display: block;
  background: linear-gradient(120deg, var(--blue), var(--vin) 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lede { max-width: 660px; margin: 0 auto 32px; color: var(--slate); font-size: 1.12rem; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border-radius: 11px; font-weight: 650; font-size: 1rem;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 6px 18px rgba(37, 99, 235, .32); }
.btn-primary:hover { background: var(--blue-strong); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(37, 99, 235, .4); }
.btn-ghost { background: var(--surface); color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { color: var(--ink); transform: translateY(-2px); box-shadow: var(--shadow); }
.hero-chips { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }
.chip {
  font-size: .82rem; font-weight: 650; letter-spacing: .01em; color: var(--slate);
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface);
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.chip:hover { color: var(--slate); transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent, var(--blue)) 45%, var(--line)); box-shadow: var(--shadow-sm); }
.chip b { color: var(--accent, var(--blue)); }

/* ── Sections ────────────────────────────────────────── */
section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 640px; margin: 0 auto 52px; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); letter-spacing: -0.025em; margin: 0 0 14px; font-weight: 760; }
.section-head p { color: var(--slate); margin: 0; font-size: 1.08rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .76rem; font-weight: 750; color: var(--blue); margin: 0 0 12px; }

/* ── Product grid ────────────────────────────────────── */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent 85%); opacity: .9;
}
.card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); box-shadow: var(--shadow-lg); }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 13%, transparent);
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { margin: 0 0 4px; font-size: 1.32rem; letter-spacing: -0.015em; font-weight: 740; }
.card .kicker { font-size: .76rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; }
.card p { color: var(--slate); margin: 0 0 22px; flex: 1; }
.card .learn { font-weight: 650; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }
.card .learn .arrow { transition: transform .15s ease; }
.card:hover .learn .arrow { transform: translateX(4px); }

/* ── Company / About ─────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
.about-grid p { color: var(--slate); font-size: 1.06rem; }
.values { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.values li { display: flex; gap: 14px; }
.values .tick {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 9px;
  background: color-mix(in srgb, var(--blue) 14%, transparent); color: var(--blue);
  display: inline-flex; align-items: center; justify-content: center; font-weight: 800;
}
.values strong { display: block; color: var(--ink); }
.values span.desc { color: var(--muted); font-size: .96rem; }

/* ── Contact ─────────────────────────────────────────── */
.contact-card {
  max-width: 600px; margin: 0 auto; text-align: center; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 48px 36px;
  box-shadow: var(--shadow);
}
.contact-card p { color: var(--slate); margin: 0 0 26px; }
.contact-email {
  display: inline-flex; align-items: center; gap: 9px; font-size: 1.28rem; font-weight: 750; color: var(--blue);
  padding: 12px 22px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--blue) 30%, var(--line));
  background: var(--blue-soft); transition: transform .15s, box-shadow .15s;
}
.contact-email:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* ── Footer ──────────────────────────────────────────── */
.footer { background: var(--footer-bg); color: #cbd5e1; padding: 52px 0 38px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.footer .wordmark { color: #fff; }
.footer .wordmark .logo { filter: none; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: #cbd5e1; font-size: .95rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  margin-top: 30px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between; font-size: .9rem; color: #94a3b8;
}
.footer-bottom a { color: #cbd5e1; }
.footer-bottom a:hover { color: #fff; }

/* ── Legal pages (terms / privacy) ───────────────────── */
.legal { max-width: 800px; margin: 0 auto; padding: 64px 24px 80px; }
.legal .back { font-weight: 650; font-size: .95rem; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.4rem); letter-spacing: -0.02em; margin: 22px 0 6px; }
.legal .updated { color: var(--muted); margin: 0 0 34px; font-size: .95rem; }
.legal h2 { font-size: 1.28rem; margin: 38px 0 10px; letter-spacing: -0.01em; }
.legal p, .legal li { color: var(--slate); }
.legal ul { padding-left: 22px; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 820px) {
  .nav-inner {
    flex-direction: column; align-items: center; height: auto;
    padding-top: 10px; padding-bottom: 12px; gap: 6px;
  }
  .nav-links { flex-wrap: wrap; justify-content: center; gap: 2px 6px; }
  .nav-links a:not(.nav-cta) { font-size: .85rem; padding: 8px 10px; }
  .nav-links .nav-cta { font-size: .85rem; }
  .grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  section { padding: 60px 0; }
  .hero { padding: 72px 0 56px; }
}