:root {
  --bg: #0a0a0a;
  --bg-soft: #101010;
  --surface: #161616;
  --surface-2: #1d1d1d;
  --border: rgba(255,255,255,0.09);
  --border-strong: rgba(255,255,255,0.18);
  --text: #f5f5f5;
  --text-soft: rgba(255,255,255,0.74);
  --text-mute: rgba(255,255,255,0.48);
  --text-faint: rgba(255,255,255,0.30);
  --accent: #f59e0b;
  --accent-soft: rgba(245,158,11,0.12);
  --max: 1180px;
  --f-sans: 'Pretendard', 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  --f-mono: 'Geist Mono', 'SF Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-sans);
  line-height: 1.65;
  letter-spacing: 0;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.035), transparent 26%),
    radial-gradient(circle at 12% 18%, rgba(245,158,11,0.10), transparent 34%),
    radial-gradient(circle at 84% 8%, rgba(255,255,255,0.05), transparent 28%);
  pointer-events: none;
  z-index: 0;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 22px 32px;
  background: rgba(10,10,10,0.78);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.nav-brand { display: inline-flex; align-items: center; width: 154px; flex: 0 0 auto; }
.nav-brand img { width: 100%; height: auto; object-fit: contain; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.nav-links a, .nav-menu-trigger { transition: color 0.2s ease; }
.nav-links a:hover, .nav-menu:hover .nav-menu-trigger { color: var(--text); }
.nav-menu { position: relative; display: inline-flex; align-items: center; padding: 8px 0; }
.nav-menu-trigger { color: var(--text); }
.nav-dropdown {
  position: absolute;
  left: -18px;
  top: calc(100% + 8px);
  width: 238px;
  padding: 10px;
  background: rgba(18,18,18,0.96);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0,0,0,0.38);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}
.nav-menu:hover .nav-dropdown,
.nav-menu:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown a {
  display: grid;
  gap: 2px;
  padding: 12px;
  border-radius: 6px;
  letter-spacing: 0;
  text-transform: none;
}
.nav-dropdown a:hover { background: rgba(255,255,255,0.06); }
.nav-dropdown span {
  font-family: var(--f-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.nav-dropdown small {
  font-family: var(--f-sans);
  font-size: 12px;
  color: var(--text-mute);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-soft);
  text-transform: uppercase;
}
.nav-cta::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }
.section { padding: 110px 0; border-bottom: 1px solid var(--border); }
.section-tight { padding: 78px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.hero {
  min-height: calc(100vh - 86px);
  display: grid;
  align-items: center;
  padding: 72px 0 84px;
  border-bottom: 1px solid var(--border);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.72fr);
  gap: 58px;
  align-items: center;
}
.hero h1 {
  margin-top: 26px;
  font-size: clamp(42px, 6.2vw, 78px);
  line-height: 1.03;
  letter-spacing: 0;
  font-weight: 800;
  max-width: 840px;
}
.hero h1 span { color: var(--text-mute); font-weight: 500; }
.hero-lede {
  margin-top: 26px;
  max-width: 720px;
  color: var(--text-soft);
  font-size: clamp(17px, 2vw, 21px);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--text);
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-size: 14px;
  font-weight: 800;
}
.btn.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.price-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
  max-width: 820px;
}
.price-item {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255,255,255,0.035);
}
.price-item small {
  display: block;
  margin-bottom: 6px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.price-item strong { font-size: 20px; line-height: 1.25; }
.pricing-table {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255,255,255,0.035);
}
.pricing-card.featured {
  border-color: rgba(245,158,11,0.48);
  background: linear-gradient(180deg, rgba(245,158,11,0.12), rgba(255,255,255,0.038));
}
.pricing-badge {
  align-self: flex-start;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.pricing-card.featured .pricing-badge {
  border-color: rgba(245,158,11,0.42);
  color: var(--accent);
}
.pricing-card h3 {
  margin-top: 20px;
  font-size: 24px;
  line-height: 1.2;
}
.pricing-price {
  margin-top: 16px;
  font-size: 38px;
  line-height: 1.05;
  font-weight: 850;
  letter-spacing: 0;
}
.pricing-price small {
  margin-left: 4px;
  color: var(--text-mute);
  font-size: 14px;
  font-weight: 600;
}
.pricing-sub {
  margin-top: 10px;
  min-height: 50px;
  color: var(--text-soft);
  font-size: 15px;
}
.pricing-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  list-style: none;
}
.pricing-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-soft);
  font-size: 14px;
}
.pricing-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.pricing-note {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(0,0,0,0.18);
  color: var(--text-soft);
  font-size: 14px;
}
.pricing-note strong { color: var(--text); }
.hero-visual {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.025));
  box-shadow: 0 30px 90px rgba(0,0,0,0.34);
}
.hero-visual img { border-radius: 6px; }
.phone-frame {
  width: min(100%, 330px);
  margin: 0 auto;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: #050505;
  box-shadow: 0 34px 100px rgba(0,0,0,0.42);
}
.phone-frame video { width: 100%; aspect-ratio: 9 / 16; border-radius: 18px; object-fit: cover; background: #111; }

.section-head {
  display: grid;
  grid-template-columns: 0.95fr 1.2fr;
  gap: 56px;
  align-items: end;
  margin-bottom: 48px;
}
.section h2 {
  margin-top: 18px;
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 1.12;
  letter-spacing: 0;
}
.section-lede { color: var(--text-soft); font-size: 17px; max-width: 620px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255,255,255,0.035);
  padding: 26px;
}
.card small {
  display: block;
  margin-bottom: 12px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
}
.card h3 { font-size: 22px; line-height: 1.25; margin-bottom: 10px; }
.card p, .card li { color: var(--text-soft); font-size: 15px; }
.card ul { list-style: none; display: grid; gap: 9px; }
.card li { position: relative; padding-left: 16px; }
.card li::before { content: ""; position: absolute; left: 0; top: 0.78em; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

.sample-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(190px, 1fr));
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.sample-card {
  min-width: 190px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}
.sample-card img { aspect-ratio: 4 / 5; width: 100%; object-fit: cover; object-position: top; }
.sample-card figcaption {
  padding: 13px 14px 15px;
  color: var(--text-soft);
  font-size: 13px;
}
.sample-card strong { display: block; color: var(--text); font-size: 15px; margin-bottom: 2px; }

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  counter-reset: step;
}
.flow .card { counter-increment: step; }
.flow .card small::after { content: " " counter(step, decimal-leading-zero); color: var(--text-mute); }
.quote {
  padding: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(255,255,255,0.035));
}
.quote strong { display: block; font-size: clamp(26px, 4vw, 42px); line-height: 1.2; letter-spacing: 0; }
.quote p { margin-top: 14px; color: var(--text-soft); font-size: 17px; max-width: 760px; }

.form-panel {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 34px;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255,255,255,0.035);
}
.form-panel h2 { font-size: clamp(28px, 4vw, 46px); line-height: 1.16; }
.form-panel p { margin-top: 14px; color: var(--text-soft); }
.lead-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.lead-form input, .lead-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: rgba(0,0,0,0.22);
  color: var(--text);
  outline: none;
}
.lead-form textarea, .lead-form button, .form-message { grid-column: 1 / -1; }
.lead-form textarea { min-height: 112px; resize: vertical; }
.lead-form input:focus, .lead-form textarea:focus { border-color: var(--border-strong); }
.lead-form button { cursor: pointer; }
.form-message { min-height: 22px; color: var(--text-mute); font-size: 13px; }
.form-message.success { color: #86efac; }
.form-message.error { color: #fca5a5; }

.legal-page { padding: 88px 0 120px; }
.legal-shell { max-width: 880px; margin: 0 auto; }
.legal-shell h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.08; letter-spacing: 0; margin: 22px 0; }
.legal-shell .updated { color: var(--text-mute); font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.08em; }
.legal-section {
  padding: 34px 0;
  border-bottom: 1px solid var(--border);
}
.legal-section h2 { font-size: 24px; margin-bottom: 12px; }
.legal-section p, .legal-section li { color: var(--text-soft); }
.legal-section ul { margin-left: 18px; display: grid; gap: 8px; }

.footer {
  padding: 52px 32px;
  text-align: center;
  color: var(--text-faint);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.footer a { color: var(--text-mute); }

@media (max-width: 960px) {
  .nav-links { display: none; }
  .hero-grid, .section-head, .form-panel { grid-template-columns: 1fr; }
  .grid-3, .grid-2, .flow, .pricing-table { grid-template-columns: 1fr; }
  .price-strip { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav, .wrap { padding-left: 20px; padding-right: 20px; }
  .nav-brand { width: 132px; }
  .hero { padding-top: 52px; }
  .section { padding: 82px 0; }
  .lead-form { grid-template-columns: 1fr; }
  .form-panel, .quote { padding: 24px; }
}