:root {
  --bg: #0b0d12;
  --bg2: #11141b;
  --card: #151924;
  --line: #242a38;
  --text: #e9ebf1;
  --muted: #9aa2b5;
  --gold: #c9a86a;
  --gold2: #e3c98f;
  --ok: #6fcf97;
  --run: #f2c94c;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.65;
  word-break: keep-all;
  overflow-x: hidden;
}
a { color: inherit; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }
.center { text-align: center; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 13, 18, .82);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; font-size: 18px; }
.logo {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold2), var(--gold)); color: #1a1406; font-weight: 900; font-size: 16px;
}
.links { display: flex; gap: 22px; margin-left: auto; }
.links a { text-decoration: none; color: var(--muted); font-size: 15px; }
.links a:hover { color: var(--text); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 22px; border-radius: 12px; font-weight: 700; text-decoration: none;
  background: linear-gradient(135deg, var(--gold2), var(--gold)); color: #1a1406;
  border: 1px solid transparent; transition: transform .15s, box-shadow .15s, opacity .15s;
  cursor: pointer; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(201, 168, 106, .25); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--gold); box-shadow: none; }
.btn-sm { padding: 8px 14px; font-size: 14px; border-radius: 10px; }
.btn-lg { padding: 16px 30px; font-size: 17px; }
.btn.disabled { opacity: .45; pointer-events: none; }

/* hero */
.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(201,168,106,.16), transparent 60%),
    radial-gradient(700px 420px at -10% 30%, rgba(90,110,200,.12), transparent 60%);
}
.hero-in { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--gold2);
  border: 1px solid rgba(201,168,106,.35); background: rgba(201,168,106,.08);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 22px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(111,207,151,.18); }
h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 800; }
h1 em { font-style: normal; color: var(--gold2); }
.lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--muted); max-width: 560px; margin: 18px 0 28px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-points { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 14px; }
.hero-points li::before { content: "✓"; color: var(--gold); margin-right: 6px; font-weight: 800; }

.hero-demo {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0,0,0,.45); overflow: hidden;
}
.demo-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--bg2); }
.demo-bar span { width: 10px; height: 10px; border-radius: 50%; background: #3a4152; }
.demo-bar b { margin-left: 10px; font-size: 13px; color: var(--muted); font-weight: 600; }
.demo-body { padding: 20px; display: grid; gap: 14px; font-size: 14.5px; }
.msg { padding: 12px 14px; border-radius: 14px; max-width: 92%; }
.msg p { margin: 0 0 8px; }
.msg.me { justify-self: end; background: #23304d; border-bottom-right-radius: 4px; }
.msg.ai { background: var(--bg2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg u { text-decoration: none; color: var(--gold2); }
.steps { list-style: none; padding: 0; margin: 0 0 8px; display: grid; gap: 6px; }
.steps li { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.steps li::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 2px solid #3a4152; flex: none; }
.steps li.done { color: var(--text); }
.steps li.done::before { background: var(--ok); border-color: var(--ok); }
.steps li.run { color: var(--text); }
.steps li.run::before { border-color: var(--run); border-top-color: transparent; animation: spin 1s linear infinite; }
.steps li span { margin-left: auto; font-size: 12px; color: var(--muted); }
.note { font-size: 12.5px; color: var(--muted); margin: 0 !important; }
.demo-cap { font-size: 12px; color: var(--muted); margin: 0; padding: 0 20px 14px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* sections */
.section { padding: 88px 0; }
.section.alt { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { max-width: 720px; margin-bottom: 40px; }
.sec-head h2 { font-size: clamp(26px, 3.4vw, 38px); }
.sec-head p { color: var(--muted); font-size: 17px; }
.eyebrow { color: var(--gold) !important; font-weight: 700; font-size: 14px !important; letter-spacing: .08em; margin-bottom: 10px; }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value { padding: 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.value h3 { font-size: 20px; color: var(--gold2); }
.value p { color: var(--muted); margin: 0; }

.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feat { padding: 22px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.feat .ico { font-size: 24px; display: block; margin-bottom: 10px; }
.feat h3 { font-size: 17px; }
.feat p { color: var(--muted); font-size: 14.5px; margin: 0; }

.principle {
  margin-top: 28px; padding: 24px 28px; border-radius: var(--radius);
  border: 1px solid rgba(201,168,106,.35); background: rgba(201,168,106,.06);
}
.principle h3 { font-size: 18px; color: var(--gold2); }
.principle p { margin: 0; color: var(--muted); }

/* plans */
.plan-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.plan {
  position: relative; display: flex; flex-direction: column;
  padding: 28px 22px 22px; border-radius: 20px; background: var(--card); border: 1px solid var(--line);
}
.plan.featured { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold), 0 20px 50px rgba(201,168,106,.12); }
.plan .tag {
  position: absolute; top: -12px; left: 22px; margin: 0;
  background: var(--gold); color: #1a1406; font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 999px;
}
.plan h3 { font-size: 22px; margin-bottom: 2px; }
.who { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.price { font-size: 18px; margin-bottom: 18px; }
.price b { font-size: 42px; font-weight: 800; letter-spacing: -0.03em; }
.price span { color: var(--muted); font-size: 15px; margin-left: 2px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 8px; font-size: 14.5px; flex: 1; }
.plan li { padding-left: 22px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 800; }
.plan .btn { width: 100%; }
.fine { color: var(--muted); font-size: 13.5px; }
#plans > .wrap > .fine { margin: 20px 0 36px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card { padding: 26px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.card h3 { font-size: 19px; }
.card dl { margin: 0 0 8px; }
.card dt { font-weight: 700; margin-top: 12px; }
.card dd { margin: 4px 0 0; color: var(--muted); font-size: 14.5px; }

/* flow */
.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.flow li { padding: 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.flow b {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; margin-bottom: 14px;
  background: rgba(201,168,106,.12); color: var(--gold2); border: 1px solid rgba(201,168,106,.35);
}
.flow h3 { font-size: 18px; }
.flow p { color: var(--muted); font-size: 14.5px; margin: 0; }

/* honest */
.honest { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.honest li { padding: 22px 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.honest b { display: block; color: var(--text); font-size: 16.5px; margin-bottom: 6px; }

/* faq */
details { border-bottom: 1px solid var(--line); padding: 18px 4px; }
summary { cursor: pointer; font-weight: 700; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--gold); font-size: 22px; line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 12px 0 0; }

/* apply */
.apply {
  background: radial-gradient(700px 360px at 50% 0%, rgba(201,168,106,.16), transparent 70%), var(--bg2);
  border-top: 1px solid var(--line);
}
.apply h2 { font-size: clamp(28px, 3.6vw, 40px); }
.apply p { color: var(--muted); font-size: 17px; margin-bottom: 28px; }
#apply-note { margin-top: 16px; }

.foot { padding: 40px 0 56px; border-top: 1px solid var(--line); }
.foot p { margin: 0 0 6px; }

/* responsive */
@media (max-width: 1024px) {
  .plan-grid, .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .hero { padding: 56px 0 48px; }
  .hero-in { grid-template-columns: 1fr; gap: 40px; }
  .links { display: none; }
  .nav-in .btn-sm { margin-left: auto; }
  .value-grid, .two-col, .honest { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .plan-grid, .feat-grid, .flow { grid-template-columns: 1fr; }
  .cta-row .btn { flex: 1; }
  .plan { padding-top: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .steps li.run::before { animation: none; }
}