:root{--build-id:"7d998e78-fafe-40a8-90c8-2783002e95f2";}
/* CSS Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #22c55e;
  --bg: #f0fdf4;
  --text: #14532d;
  --accent: #4ade80;
  --heading: var(--text);
  --link: var(--text);
}

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

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
}

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

/* Focus Styles */
a:focus-visible,
input:focus-visible,
label:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}

/* Header & Navigation */
header {
  background: rgba(240, 253, 244, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(34, 197, 94, 0.1);
}

.header-container {
  max-width: 1350px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--text);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  position: relative;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--primary);
}

nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
}

/* Mobile Menu */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid rgba(34, 197, 94, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
  }

  .menu-checkbox:checked ~ nav {
    max-height: 500px;
  }

  nav ul {
    flex-direction: column;
    padding: 1rem 0;
    gap: 0;
  }

  nav li {
    width: 100%;
  }

  nav a {
    display: block;
    padding: 1rem 2rem;
  }
}

/* Container */
.container {
  max-width: 1350px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section Spacing */
section {
  padding: 5.75rem 0;
}

/* Typography */
h1 {
  font-size: clamp(2rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.005em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

/* Button Styles (B07) */
.btn {
  display: inline-block;
  padding: 1.5rem 3.5rem;
  font-weight: 800;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 0;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  letter-spacing: 0.05em;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 3px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
}

/* Card Styles (K07) */
.card {
  border: 3px solid #000;
  border-radius: 0;
  padding: 2rem;
  background: white;
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-4px);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3.75rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3.75rem;
}

.grid-6 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  padding: 8rem 0 6rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 2.5rem;
  color: var(--text);
  opacity: 0.9;
}

/* Timeline Styles */
.timeline {
  position: relative;
  padding-left: 3rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -3.5rem;
  top: 0.5rem;
  width: 1rem;
  height: 1rem;
  background: var(--primary);
  border: 3px solid white;
  box-shadow: 0 0 0 3px var(--primary);
}

.timeline-title {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-item {
  text-align: center;
  padding: 2rem 1rem;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 40;
}

@media (max-width: 768px) {
  .sticky-cta {
    bottom: 1rem;
    right: 1rem;
  }

  .sticky-cta .btn {
    padding: 1rem 2rem;
    font-size: 0.875rem;
  }
}

/* Footer */
footer {
  background: #14532d;
  color: white;
  padding: 3rem 0 1.5rem;
  margin-top: 5.75rem;
}

.footer-content {
  max-width: 1350px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--accent);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.footer-section a:hover {
  color: var(--accent);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* Document Container (Privacy/Terms) */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
}

.doc-container h1 {
  margin-bottom: 2rem;
}

.doc-container p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

/* Responsive */
@media (max-width: 768px) {
  section {
    padding: 3rem 0;
  }

  .hero {
    padding: 5rem 0 3rem;
  }

  .grid-2,
  .grid-3,
  .grid-6 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .timeline {
    padding-left: 2rem;
  }

  .timeline-item::before {
    left: -2.5rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mb-3 {
  margin-bottom: 3rem;
}

.mt-3 {
  margin-top: 3rem;
}