:root{--build-id:"c5535ada-c243-47b7-9466-2e8358902165";}
/* ========================================
   케포라다68 스피커 웹사이트 스타일시트
   변수: L09, C36, T02, B18, N13, K18, S05, H18, F7, CS18
   ======================================== */

/* CSS 변수 정의 (C36 색상 팔레트) */
:root {
  --primary: #18181b;
  --bg: #fafafa;
  --text: #09090b;
  --accent: #52525b;
  --heading: var(--text);
  --link: var(--text);
}

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

/* Body 스타일 (F7 폰트 스택) */
body {
  font-family: system-ui, "Noto Sans KR", "Malgun Gothic", -apple-system, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0em;
  color: var(--text);
  background-color: var(--bg);
}

/* 헤딩 스타일 (H18) */
h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.005em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.625rem, 4vw, 2.125rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.005em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.005em;
  color: var(--heading);
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--heading);
  margin-bottom: 0.75rem;
}

/* 링크 스타일 */
a {
  color: var(--link);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.7;
}

a:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* Skip to Content 링크 */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: var(--bg);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
}

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

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

/* 헤더 스타일 (N13: 상단 투명 + 좌측 메뉴 + 중앙 로고 + 우측 CTA) */
header {
  background-color: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(24, 24, 27, 0.1);
}

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

.nav-left {
  flex: 1;
}

.nav-left ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-left a {
  font-weight: 500;
  position: relative;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

/* CTA 버튼 (B18: border-bottom 스타일) */
.cta-button {
  border-bottom: 2px solid var(--primary);
  background: transparent;
  padding: 0.5rem 0;
  font-weight: 500;
  color: var(--primary);
  transition: opacity 0.2s ease;
}

.cta-button:hover {
  opacity: 0.7;
}

/* 모바일 메뉴 */
.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-nav {
  display: none;
}

@media (max-width: 768px) {
  .nav-left,
  .nav-right {
    display: none;
  }

  .logo {
    position: static;
    transform: none;
  }

  .menu-toggle {
    display: block;
  }

  .menu-checkbox:checked ~ .mobile-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg);
    border-bottom: 1px solid rgba(24, 24, 27, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

  .mobile-nav ul {
    list-style: none;
    padding: 1rem 2rem;
  }

  .mobile-nav li {
    margin-bottom: 1rem;
  }

  .mobile-nav a {
    display: block;
    padding: 0.5rem 0;
    font-weight: 500;
  }

  .mobile-nav a[aria-current="page"] {
    color: var(--primary);
    font-weight: 600;
  }
}

/* 섹션 스타일 (S05: 7rem 0) */
section {
  padding: 7rem 0;
}

/* Hero 섹션 (L09: 애니메이션 히어로) */
.hero-section {
  background: linear-gradient(135deg, var(--bg) 0%, #f4f4f5 100%);
  padding: 8rem 0;
}

.hero-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.hero-description {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--accent);
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s ease-out 0.3s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.hero-visual svg {
  max-width: 100%;
  height: auto;
}

@media (max-width: 968px) {
  .hero-section .container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    order: -1;
  }
}

/* 버튼 스타일 (B18 기반) */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--bg);
  border-bottom: 3px solid var(--text);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding: 0.5rem 0;
}

.btn-secondary:hover {
  opacity: 0.7;
}

/* Steps 섹션 (L09: 스텝 가이드) */
.steps-section {
  background-color: var(--bg);
}

.section-title {
  text-align: center;
  margin-bottom: 1rem;
}

.section-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
  font-size: 1.0625rem;
  color: var(--accent);
  line-height: 1.75;
}

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

/* 카드 스타일 (K18: border-left 스타일) */
.step-card {
  background: transparent;
  border-left: 3px solid var(--primary);
  padding: 1.5rem 0 1.5rem 1.5rem;
  transition: transform 0.2s ease;
}

.step-card:hover {
  transform: translateX(8px);
}

.step-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
}

.step-title {
  margin-bottom: 1rem;
}

.step-description {
  color: var(--accent);
  line-height: 1.75;
}

/* Testimonials 섹션 */
.testimonials-section {
  background: linear-gradient(180deg, var(--bg) 0%, #f4f4f5 100%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3rem;
}

.testimonial-card {
  background: transparent;
  border-left: 3px solid var(--accent);
  padding: 1.5rem 0 1.5rem 1.5rem;
}

.testimonial-text {
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.author-name {
  font-weight: 600;
  color: var(--primary);
}

.author-role {
  font-size: 0.9375rem;
  color: var(--accent);
}

/* CTA 섹션 */
.cta-section {
  background-color: var(--primary);
  color: var(--bg);
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  color: var(--bg);
  margin-bottom: 1.5rem;
}

.cta-description {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

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

.cta-section .btn-primary {
  background-color: var(--bg);
  color: var(--primary);
  border-bottom: 3px solid var(--accent);
}

.cta-section .btn-secondary {
  color: var(--bg);
  border-bottom: 2px solid var(--bg);
}

/* Footer */
footer {
  background-color: var(--primary);
  color: var(--bg);
  padding: 4rem 0 2rem;
}

.footer-container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: var(--bg);
  margin-bottom: 0.75rem;
}

.footer-brand p {
  opacity: 0.8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  color: var(--bg);
  margin-bottom: 1rem;
}

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

.footer-column li {
  margin-bottom: 0.75rem;
}

.footer-column a {
  color: var(--bg);
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.footer-column a:hover {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(250, 250, 250, 0.2);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  opacity: 0.7;
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

.footer-legal a {
  color: var(--bg);
  opacity: 0.7;
  font-size: 0.9375rem;
}

.footer-legal a:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

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

/* 페이지 헤더 */
.page-header {
  background: linear-gradient(135deg, var(--bg) 0%, #f4f4f5 100%);
  padding: 5rem 0 3rem;
  text-align: center;
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--accent);
  margin-top: 1rem;
}

/* 콘텐츠 섹션 */
.content-section {
  padding: 5rem 0;
}

.content-block {
  margin-bottom: 4rem;
}

.content-block:last-child {
  margin-bottom: 0;
}

.content-block p {
  margin-bottom: 1.5rem;
  line-height: 1.75;
}

.content-block p:last-child {
  margin-bottom: 0;
}

/* Benefits 페이지 */
.benefits-intro {
  text-align: center;
  margin-bottom: 4rem;
}

.benefits-intro svg {
  max-width: 300px;
  height: auto;
}

/* Reviews 페이지 */
.review-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.review-item {
  background: transparent;
  border-left: 3px solid var(--primary);
  padding: 1.5rem 0 1.5rem 1.5rem;
}

.review-header {
  margin-bottom: 1rem;
}

.review-header h3 {
  margin-bottom: 0.5rem;
}

.review-author {
  font-size: 0.9375rem;
  color: var(--accent);
}

.review-text {
  line-height: 1.75;
  color: var(--text);
}

/* FAQ 페이지 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.faq-item {
  background: transparent;
  border-left: 3px solid var(--accent);
  padding: 1.5rem 0 1.5rem 1.5rem;
}

.faq-question {
  color: var(--primary);
  margin-bottom: 1rem;
}

.faq-answer {
  line-height: 1.75;
  color: var(--text);
}

/* Contact 페이지 */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}

.contact-info h2,
.contact-message h2 {
  margin-bottom: 1.5rem;
}

.contact-details {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.contact-item svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--primary);
}

.contact-item h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.contact-item p {
  color: var(--accent);
  margin: 0;
}

.info-list {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

.info-list li {
  margin-bottom: 0.75rem;
  line-height: 1.65;
}

@media (max-width: 968px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* Privacy/Terms 페이지 */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 5rem 2rem;
  text-align: center;
}

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

.doc-container p {
  margin-bottom: 1.5rem;
  line-height: 1.75;
}

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

/* 키보드 포커스 스타일 */
input:focus-visible,
label:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}