:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --accent: #a78bfa;
  --text: #1e293b;
  --text-muted: #64748b;
  --bg: #fafafa;
  --white: #ffffff;
  --border: #e2e8f0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
  font-weight: 700;
}

.logo-text strong {
  display: block;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.logo-text span {
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.nav {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}

.nav a:hover {
  color: var(--primary);
}

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

.nav-cta:hover {
  background: var(--primary-dark);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(160deg, #f5f3ff 0%, #fafafa 50%, #ede9fe 100%);
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(124, 58, 237, 0.1);
  padding: 0.375rem 0.875rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--primary), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.625rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.btn-secondary {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-desc {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 32rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
}

.card h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.info-table th,
.info-table td {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Contact */
.contact-box {
  background: linear-gradient(135deg, #f5f3ff, #ede9fe);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 32rem;
}

.contact-box p {
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

.contact-box strong {
  color: var(--primary-dark);
}

/* Footer */
.footer {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.7);
  padding: 2.5rem 0;
  font-size: 0.8125rem;
}

.footer-legal {
  line-height: 1.8;
  margin-bottom: 1rem;
}

.footer-legal span.label {
  color: rgba(255, 255, 255, 0.9);
}

.footer-copy {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.75rem;
}