:root{--build-id:"f87ae6d7-cba0-45a6-b870-0c648eb1deea";}
/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #7c3aed;
  --bg: #f5f3ff;
  --text: #4c1d95;
  --accent: #8b5cf6;
  --heading: var(--text);
  --link: var(--text);
}

body {
  font-family: -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0em;
  color: var(--text);
  background-color: var(--bg);
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: #fff;
  padding: 0.5rem 1rem;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Header & Navigation - N01 */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(245, 243, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 50;
  border-bottom: 1px solid rgba(124, 58, 237, 0.1);
}

nav {
  max-width: 1450px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-menu a {
  color: var(--link);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: var(--primary);
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

.nav-menu a[aria-current="page"] {
  color: var(--primary);
  font-weight: 700;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 0.375rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 1.5rem;
  height: 2px;
  background: var(--primary);
  transition: all 0.3s;
}

/* Container & Section - S09 */
.container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6.5rem 0;
}

.section-gap {
  display: flex;
  flex-direction: column;
  gap: 4.5rem;
}

/* Heading - H14 */
h1 {
  font-size: clamp(2.25rem, 1.8rem + 1.5vw, 3.625rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-decoration: underline;
  text-decoration-color: var(--primary);
  text-decoration-thickness: 4px;
  text-underline-offset: 0.5rem;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.875rem, 1.5rem + 1.25vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2.375rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1rem;
}

/* Button - B14 */
.btn {
  display: inline-block;
  border-radius: 0.25rem;
  padding: 1rem 2rem;
  font-weight: 600;
  transform: skew(-5deg);
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 1rem;
}

.btn span {
  display: inline-block;
  transform: skew(5deg);
}

.btn:hover,
.btn:focus {
  background: var(--accent);
  transform: skew(-5deg) translateY(-2px);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--primary);
  color: #fff;
}

/* Card - K14 */
.card {
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 1.75rem;
  background: #fff;
  transition: all 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.15);
}

.card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

/* Hero Section - L17 */
.hero {
  padding-top: 8rem;
  padding-bottom: 6.5rem;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  color: var(--text);
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Feature Section */
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

/* Footer */
footer {
  background: #fff;
  border-top: 2px solid var(--primary);
  padding: 3rem 0 2rem;
  margin-top: 6.5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--primary);
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--text);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background: rgba(245, 243, 255, 0.98);
    width: 100%;
    padding: 2rem;
    gap: 1.5rem;
    transition: left 0.3s;
    border-bottom: 2px solid var(--primary);
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  .grid-2,
  .grid-3,
  .grid-5 {
    grid-template-columns: 1fr;
  }

  section {
    padding: 4rem 0;
  }

  .hero {
    padding-top: 6rem;
    padding-bottom: 4rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* SVG Icons */
.icon-svg {
  width: 100%;
  height: auto;
  max-width: 200px;
  margin: 2rem auto;
  display: block;
}