:root {
  --bg: #0a0d13;
  --surface: #12161f;
  --surface-2: #1a202c;
  --border: #242c3a;
  --text: #eaeef5;
  --text-dim: #94a0b3;
  --accent: #4f8cff;
  --accent-2: #34c98e;
  --radius: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: rgba(10, 13, 19, 0.8);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

.site-header nav {
  display: flex;
  gap: 20px;
}

.site-header nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
}

.site-header nav a:hover {
  color: var(--text);
}

main {
  flex: 1;
}

/* Hero */
.hero {
  padding: 96px 0 72px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(79, 140, 255, 0.15), transparent),
    linear-gradient(transparent, transparent);
}

.hero .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid rgba(79, 140, 255, 0.35);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.hero h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--text-dim);
  max-width: 560px;
  margin: 18px auto 0;
  font-size: 1.05rem;
}

/* Sections */
section {
  padding: 56px 0;
}

.section-title {
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.section-sub {
  color: var(--text-dim);
  margin-bottom: 28px;
}

/* Products */
.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.product {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.15s, transform 0.15s;
}

.product:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.product .badge {
  align-self: flex-start;
  font-size: 0.74rem;
  padding: 3px 12px;
  border-radius: 999px;
}

.badge.live {
  color: var(--accent-2);
  border: 1px solid rgba(52, 201, 142, 0.4);
}

.badge.soon {
  color: #f0b429;
  border: 1px solid rgba(240, 180, 41, 0.4);
}

.product h3 {
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.product .tagline {
  color: var(--accent);
  font-size: 0.92rem;
}

.product p.desc {
  color: var(--text-dim);
  font-size: 0.92rem;
  flex: 1;
}

.product a.cta {
  align-self: flex-start;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  text-decoration: none;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
}

.product a.cta:hover {
  border-color: var(--accent);
}

.product span.cta-disabled {
  align-self: flex-start;
  color: var(--text-dim);
  border: 1px dashed var(--border);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
}

/* Principles */
.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.principle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.principle .num {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  color: var(--accent);
  font-size: 0.8rem;
}

.principle h3 {
  font-size: 1rem;
  margin: 6px 0;
}

.principle p {
  color: var(--text-dim);
  font-size: 0.88rem;
}

/* Contact */
.contact-box {
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.08), rgba(52, 201, 142, 0.06));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
}

.contact-box h2 {
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}

.contact-box p {
  color: var(--text-dim);
  margin: 8px 0 16px;
}

.contact-box a {
  color: var(--accent);
  font-size: 1.05rem;
  text-decoration: none;
  font-weight: 600;
}

/* Doc pages (support / privacy) */
.doc {
  max-width: 720px;
  margin: 48px auto;
  padding: 0 24px;
}

.doc h1 {
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.doc .updated {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 32px;
}

.doc h2 {
  font-size: 1.15rem;
  margin: 32px 0 10px;
  letter-spacing: -0.01em;
}

.doc p,
.doc li {
  color: var(--text-dim);
  font-size: 0.95rem;
}

.doc ul {
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.doc a {
  color: var(--accent);
}

.doc .faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 12px;
}

.doc .faq-item h3 {
  font-size: 0.98rem;
  color: var(--text);
  margin-bottom: 6px;
}

.doc .faq-item p {
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--text-dim);
  font-size: 0.82rem;
}

.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer nav {
  display: flex;
  gap: 18px;
}

.site-footer a {
  color: var(--text-dim);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
}

.site-footer .disclaimer {
  flex-basis: 100%;
  font-size: 0.76rem;
  line-height: 1.6;
  margin-top: 8px;
  opacity: 0.85;
}