/* Adeul Intelligence — marketing site (Home, Services, Pricing, About, Contact).
   Shares the intake's dark brand. The Seoul intake lives at "/". */
:root {
  --bg: #05070b;
  --ink: #eaf6ff;
  --muted: #8aa0b6;
  --cyan: #48f5db;
  --blue: #69b9ff;
  --violet: #9d86ff;
  --glass: rgba(12, 20, 30, 0.55);
  --line: rgba(120, 180, 220, 0.16);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(60vw 50vh at 18% -5%, rgba(72, 245, 219, 0.10), transparent 60%),
    radial-gradient(55vw 45vh at 95% 8%, rgba(157, 134, 255, 0.10), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1080px, 92vw); margin-inline: auto; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(5, 7, 11, 0.86), rgba(5, 7, 11, 0.5));
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; }
.brand .dot { width: 11px; height: 11px; border-radius: 50%; background: linear-gradient(135deg, var(--cyan), var(--violet)); box-shadow: 0 0 16px rgba(72, 245, 219, 0.6); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); font-size: 0.94rem; transition: color 0.15s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-cta {
  padding: 9px 16px; border-radius: 999px; color: #04121a !important; font-weight: 600; font-size: 0.9rem;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
}
.nav-toggle { display: none; }

/* ---------- Sections ---------- */
.hero { padding: clamp(56px, 12vh, 130px) 0 clamp(40px, 8vh, 84px); }
.kicker { margin: 0 0 14px; font: 600 0.72rem/1 'JetBrains Mono', monospace; letter-spacing: 0.28em; text-transform: uppercase; color: var(--muted); }
h1 { margin: 0 0 18px; font-size: clamp(2.3rem, 6.4vw, 4rem); font-weight: 600; line-height: 1.03; letter-spacing: -0.025em; }
.lede { margin: 0 0 28px; max-width: 46ch; font-size: clamp(1.05rem, 2.4vw, 1.28rem); color: #cfe0ef; }
.section { padding: clamp(40px, 7vh, 72px) 0; }
.section h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 600; letter-spacing: -0.02em; margin: 0 0 8px; }
.section .sub { color: var(--muted); margin: 0 0 30px; max-width: 52ch; }
.eyebrow { color: var(--cyan); font: 600 0.72rem/1 'JetBrains Mono', monospace; letter-spacing: 0.24em; text-transform: uppercase; }

/* ---------- Buttons ---------- */
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 1rem; cursor: pointer; border: 1px solid transparent; transition: transform 0.15s ease, box-shadow 0.15s ease; }
.btn-primary { color: #04121a; background: linear-gradient(90deg, var(--cyan), var(--blue)); box-shadow: 0 12px 36px rgba(72, 245, 219, 0.26); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 44px rgba(72, 245, 219, 0.34); }
.btn-ghost { color: var(--ink); border-color: var(--line); background: var(--glass); }
.btn-ghost:hover { border-color: rgba(120, 180, 220, 0.4); }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  padding: 26px 24px; border-radius: 18px; border: 1px solid var(--line);
  background: var(--glass); backdrop-filter: blur(8px);
}
.card h3 { margin: 0 0 8px; font-size: 1.18rem; font-weight: 600; letter-spacing: -0.01em; }
.card p { margin: 0; color: #c2d3e3; font-size: 0.98rem; }
.card .num { font: 600 0.72rem/1 'JetBrains Mono', monospace; color: var(--cyan); letter-spacing: 0.1em; }

/* ---------- Pricing ---------- */
.price-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.price {
  display: flex; flex-direction: column; padding: 28px 24px; border-radius: 20px;
  border: 1px solid var(--line); background: var(--glass); backdrop-filter: blur(8px);
}
.price.feature { border-color: rgba(72, 245, 219, 0.5); box-shadow: 0 18px 50px rgba(72, 245, 219, 0.12); }
.price .tag { font: 600 0.7rem/1 'JetBrains Mono', monospace; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.price .amount { margin: 14px 0 4px; font-size: clamp(1.9rem, 4vw, 2.5rem); font-weight: 600; letter-spacing: -0.02em; }
.price .amount small { font-size: 0.9rem; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.price .desc { color: #c2d3e3; margin: 6px 0 0; font-size: 0.97rem; }
.steps { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-top: 6px; }
.step { padding: 18px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255,255,255,0.025); }
.step b { color: var(--cyan); font: 600 0.72rem/1 'JetBrains Mono', monospace; }
.step p { margin: 8px 0 0; color: #c2d3e3; font-size: 0.94rem; }

/* ---------- CTA band + footer ---------- */
.band { margin: clamp(40px, 7vh, 72px) 0; padding: clamp(34px, 6vw, 56px); border-radius: 24px; text-align: center; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(72,245,219,0.10), rgba(157,134,255,0.10)); }
.band h2 { margin: 0 0 10px; }
.band p { margin: 0 auto 22px; max-width: 44ch; color: #cfe0ef; }
footer { border-top: 1px solid var(--line); padding: 34px 0; color: var(--muted); font-size: 0.9rem; }
.foot-inner { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-links a:hover { color: var(--ink); }

/* ---------- Lists ---------- */
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { padding-left: 28px; position: relative; color: #c8d8e6; }
.checks li::before { content: "→"; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; position: absolute; top: 100%; right: 4vw; flex-direction: column; gap: 14px; padding: 18px 22px; border: 1px solid var(--line); border-radius: 16px; background: rgba(7,11,18,0.97); }
  .nav-toggle { display: inline-flex; background: none; border: 0; color: var(--ink); font-size: 1.5rem; cursor: pointer; padding: 4px 8px; }
}