/* apps/official-site/src/style.css */

/* [기능] 원페이지 스크롤 */
html {
  scroll-behavior: smooth;
}

section, 
.landing-section,
[id] { 
  scroll-margin-top: 80px; 
}

/* [핵심] 색상은 CMS 변수(var) 사용 */
:root {
  /* 배경 교차색을 조금 더 진하게 조정하여 구분감 강화 (3% -> 5%) */
  --bg-alt: rgba(0, 0, 0, 0.05); 
}

body {
  margin: 0;
  font-family: var(--font-body, -apple-system, BlinkMacSystemFont, "Pretendard", sans-serif);
  line-height: 1.6;
  color: var(--fg);
  background-color: var(--bg);
}

a { text-decoration: none; color: inherit; }

/* [핵심 해결책] 컨테이너 폭을 1140px -> 980px로 대폭 축소 
   이제 콘텐츠가 좌우로 퍼지지 않고 중앙에 단단하게 모입니다.
*/
.container { 
  max-width: 980px; 
  margin: 0 auto; 
  padding: 0 24px; 
}

/* [네비게이션 & 햄버거 메뉴] */
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

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

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 2000;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--fg);
  margin: 5px 0;
  transition: 0.3s;
}
@media (max-width: 768px) {
  .hamburger { display: block; }
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* 모바일 메뉴 오버레이 */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg);
  z-index: 1500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: all 0.3s ease-in-out;
}
.mobile-menu-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg);
  opacity: 0.98;
  z-index: -1;
}
.mobile-menu-overlay.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mobile-menu-link {
  font-size: 2rem;
  font-weight: 800;
  color: var(--fg);
}
.mobile-menu-link:hover, .mobile-menu-link.active {
  color: var(--accent);
}

/* [섹션 스타일] */
.landing-section { 
  padding: 80px 0; 
  border-bottom: 1px solid var(--border);
}

/* 배경 교차 (가독성 향상) */
.landing-section:nth-of-type(even) {
  background-color: var(--bg-alt);
}

.section-header { margin-bottom: 40px; text-align: left; }

/* [타이포그래피] 폰트 크기 최적화 */
.text-huge {
  /* 너무 거대하지 않게 조절 */
  font-size: clamp(2.5rem, 5vw, 4rem); 
  line-height: 1.1; 
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--fg);
}

.text-large {
  font-size: clamp(1.25rem, 2.5vw, 1.8rem); /* 제목 크기도 살짝 줄임 */
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 10px;
  color: var(--fg);
}

.text-desc {
  font-size: 1.05rem; /* 본문 크기 정돈 */
  line-height: 1.7;
  color: var(--muted);
  max-width: 480px; /* 글줄 길이를 더 짧게 제한하여 읽기 편하게 */
  word-break: keep-all;
}

/* [그리드] 간격 축소 (50px -> 30px) */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px; /* 요소끼리 더 가깝게 붙임 */
  align-items: start;
}
@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
}

/* 여백 유틸리티 */
.mt-100 { margin-top: 60px !important; }
.mb-50 { margin-bottom: 30px !important; }

/* [이미지] */
.img-cover {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius, 8px);
}
.hover-zoom {
  overflow: hidden;
  border-radius: var(--radius, 8px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  background: var(--border);
}
.hover-zoom img { transition: transform 0.4s ease-out; }
.hover-zoom:hover img { transform: scale(1.03); }

.project-item { display: block; }
.project-item:hover .text-large {
  color: var(--accent);
  transition: color 0.2s;
}

/* [Hero 섹션] */
.section-hero { 
  min-height: 70vh; /* 높이도 살짝 줄임 */
  display: flex; 
  align-items: center; 
  justify-content: center; 
  text-align: left;
  background-color: var(--bg) !important; 
  padding-top: 100px;
}

/* [버튼] */
.btn { 
  display: inline-flex; 
  padding: 12px 24px; 
  border-radius: var(--radius, 6px); 
  font-weight: 600; 
  transition: 0.2s; 
  cursor: pointer; 
  border: 1px solid transparent;
  font-size: 1rem; 
}
.btn-primary { 
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover { 
  opacity: 0.9; 
  transform: translateY(-1px); 
  box-shadow: 0 4px 12px rgba(0,0,0,0.15); 
}
.btn-outline { 
  border-color: var(--border); 
  color: var(--fg); 
  background: var(--bg); 
}

/* [문의 폼] */
.section-inquiry { background-color: var(--bg-alt); }
.inquiry-form { 
  max-width: 460px; /* 폼 너비도 480 -> 460 으로 축소 */
  margin: 0 auto; 
  background: var(--bg); 
  padding: 30px; 
  border-radius: var(--radius, 12px); 
  border: 1px solid var(--border);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.9rem; color: var(--fg); }
.columns-block { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin: 16px 0; }
.columns-block__column { padding: 12px; border: 1px solid rgba(15, 23, 42, 0.12); border-radius: 12px; background: #fff; }
.raw-html-block__preview { margin: 16px 0; }
.checklist { list-style: none; padding-left: 0; display: grid; gap: 8px; }
.checklist-item { display: flex; align-items: center; gap: 8px; }
.checklist-box { width: 14px; height: 14px; border: 1px solid rgba(15, 23, 42, 0.2); border-radius: 3px; display: inline-block; position: relative; }
.checklist-item.is-checked .checklist-box::after { content: ""; position: absolute; inset: 2px; background: #111827; border-radius: 2px; }
.form-group input, .form-group textarea { 
  width: 100%; 
  padding: 12px; 
  border: 1px solid var(--border); 
  border-radius: var(--radius, 6px); 
  background: var(--bg);
  color: var(--fg);
  font-size: 1rem; 
  transition: 0.2s; 
  box-sizing: border-box; 
}
.form-group input:focus, .form-group textarea:focus { 
  outline: none; 
  border-color: var(--accent); 
  box-shadow: 0 0 0 3px rgba(0,0,0,0.05); 
}

/* [푸터] */
footer { 
  padding: 60px 0; 
  text-align: center; 
  color: var(--muted); 
  font-size: 0.9rem; 
  border-top: 1px solid var(--border); 
  background: var(--bg); 
}

/* Article base layout */
main {
  max-width: 840px;
  margin: 0 auto;
  padding: 60px 20px;
}

main h1, main h2, main h3 {
  margin-top: 28px;
  margin-bottom: 12px;
  line-height: 1.3;
}

main p {
  line-height: 1.8;
  margin-bottom: 16px;
  color: var(--fg);
}

main ul {
  padding-left: 20px;
  margin-bottom: 20px;
}

main img {
  max-width: 100%;
  border-radius: 12px;
  margin: 20px 0;
}

.post-back {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
}
.post-back:hover { color: var(--fg); }

.pagination {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.pagination a {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
}
.pagination a.is-active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

/* Home layout sections */
.home-section-header { margin-bottom: 24px; }
.home-section-title { font-size: 2rem; margin: 0 0 8px; letter-spacing: -0.01em; }
.home-section-subtitle { color: var(--muted); margin: 0; }

.home-banner { padding: 0; border-bottom: none; }
.home-banner-slide {
  min-height: 260px;
  display: flex;
  align-items: center;
  background: var(--bg);
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border);
}
.home-banner-sm .home-banner-slide { min-height: 200px; }
.home-banner-lg .home-banner-slide { min-height: 360px; }
.home-banner-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px;
  background: rgba(255,255,255,0.88);
  border-radius: 16px;
  border: 1px solid rgba(15,23,42,0.08);
  backdrop-filter: blur(6px);
}
.home-banner-content h2 { margin: 0 0 12px; font-size: 2.2rem; }
.home-banner-content p { margin: 0 0 20px; color: var(--muted); }

.home-hero { padding-top: 100px; }
.home-hero-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  background: var(--card);
  box-shadow: 0 10px 30px rgba(15,23,42,0.08);
}
.home-hero-title { margin: 8px 0 12px; font-size: 2rem; }
.home-hero-excerpt { color: var(--muted); margin: 0 0 20px; }
.home-hero-meta { font-size: 0.85rem; color: var(--muted); }

.home-post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.home-post-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  background: var(--card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.home-post-card:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(15,23,42,0.08); }
.home-post-title { margin: 6px 0 8px; font-size: 1.1rem; }
.home-post-excerpt { color: var(--muted); margin: 0; }
.home-post-meta { font-size: 0.85rem; color: var(--muted); }

.home-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.home-feature-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  background: var(--card);
}
.home-feature-icon { font-size: 1.6rem; margin-bottom: 8px; }
.home-feature-card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.home-feature-card p { margin: 0; color: var(--muted); }

.home-empty { color: var(--muted); }

@media (max-width: 768px) {
  .home-post-grid,
  .home-feature-grid {
    grid-template-columns: 1fr;
  }
  .home-banner-content {
    margin: 0 16px;
    padding: 40px 20px;
  }
}