:root{--build-id:"ef227666-c029-4bb7-a4df-02724e5ce9e1";}
/* 변수: L03, C12, T15, B06, N01, K06, S05, H06, F1, CS06 */

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

/* 색상 변수 (C12) */
:root {
  --primary: #0d9488;
  --bg: #ccfbf1;
  --text: #115e59;
  --accent: #14b8a6;
  --heading: var(--text);
  --link: var(--text);
}

/* 폰트 (F1: Apple Core) */
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: 0;
  color: var(--text);
  background-color: var(--bg);
}

/* 헤딩 (H06) */
h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  text-transform: capitalize;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.875rem, 4vw, 2.813rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.406rem, 3vw, 2.109rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--heading);
  margin-bottom: 1rem;
}

/* 링크 */
a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

a:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}

/* 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;
}

/* Header (N01: 상단 고정 + 좌측 로고 + 우측 메뉴 + 햄버거) */
header {
  background-color: #fff;
  border-bottom: 2px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.menu-checkbox {
  display: none;
}

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

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

nav a {
  font-weight: 600;
  color: var(--text);
  transition: color 0.3s;
}

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

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

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    border-bottom: 2px solid var(--primary);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .menu-checkbox:checked ~ nav {
    max-height: 400px;
  }

  nav ul {
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
  }
}

/* Container (S05) */
.container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 7rem 0;
}

/* Hero Section (L03: 중앙집중 히어로) */
.hero {
  background: linear-gradient(135deg, #ffffff 0%, var(--bg) 100%);
  text-align: center;
}

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

.hero-text {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 2rem;
  color: var(--text);
}

.hero-icon {
  margin: 2rem auto 0;
  display: block;
  color: var(--primary);
}

/* Page Hero */
.page-hero {
  background-color: #fff;
  text-align: center;
  padding: 5rem 0;
}

.page-hero p {
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto;
}

/* Content Sections */
.content-section,
.intro,
.features,
.experience {
  background-color: #fff;
}

.content-section:nth-child(even) {
  background-color: var(--bg);
}

.content-section p,
.intro p,
.experience p {
  margin-bottom: 1.5rem;
  line-height: 1.75;
}

.section-icon {
  margin: 3rem auto 0;
  display: block;
  color: var(--primary);
}

/* Feature List (L03: 리스트형) */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 5rem;
  margin-top: 3rem;
}

.feature-item {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-item .icon {
  font-size: 2.5rem;
  color: var(--primary);
}

.feature-item h3 {
  margin-top: 0.5rem;
}

.feature-item p {
  line-height: 1.75;
}

/* Testimonial Section */
.testimonial-section {
  background-color: var(--bg);
}

.testimonial-card {
  border: 1px solid #d1d5db;
  border-radius: 1rem;
  padding: 2rem;
  background-color: #fff;
  margin-bottom: 3rem;
}

.testimonial-card h3 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.testimonial-card p:first-of-type {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}

.testimonial-card p:last-of-type {
  line-height: 1.75;
}

/* Contact Section */
.contact-section {
  background-color: #fff;
}

.contact-info {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-info p {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.contact-info .icon {
  margin-right: 0.5rem;
  color: var(--primary);
}

.contact-note {
  margin-top: 2rem;
  line-height: 1.75;
  font-size: 1rem;
  color: var(--text);
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  text-align: center;
  color: #fff;
}

.cta-wrapper h2,
.cta-wrapper p {
  color: #fff;
}

.cta-wrapper p {
  margin-bottom: 2rem;
  font-size: 1.125rem;
}

/* Button (B06: 사각형, 두꺼운 테두리) */
.cta-button {
  display: inline-block;
  border: 3px solid #fff;
  border-radius: 0;
  padding: 1rem 2.5rem;
  font-weight: 600;
  color: #fff;
  background-color: transparent;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cta-button:hover {
  background-color: #fff;
  color: var(--primary);
}

.cta-button:focus-visible {
  outline: 3px solid #ffcc00;
  outline-offset: 2px;
}

/* Footer */
footer {
  background-color: #fff;
  border-top: 2px solid var(--primary);
  padding: 2.5rem 0;
}

.footer-container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-container p {
  color: var(--text);
  font-size: 0.95rem;
}

.footer-container nav {
  display: flex;
  gap: 1.5rem;
}

.footer-container a {
  color: var(--text);
  font-size: 0.95rem;
}

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

/* Doc Container (Privacy/Terms) */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
  background-color: #fff;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.doc-container h1 {
  margin-bottom: 1.5rem;
}

.doc-container p {
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.doc-container a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }

  .container {
    padding: 0 1.5rem;
  }

  .feature-list {
    gap: 3rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}