/* 색상: 파란색 계열 없이 초록·테라코타·미색으로 구성 */
:root {
  --bg: #fbf8f2;
  --bg-alt: #f3ede1;
  --text: #2b2722;
  --muted: #655c51;
  --primary: #2f6b4f;      /* 짙은 초록 */
  --primary-dark: #234f3b;
  --primary-soft: #e4eddd;
  --accent: #c25a32;       /* 테라코타 */
  --accent-soft: #f6e2d6;
  --line: #e2d9c8;
  --card: #ffffff;
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: var(--primary); }
img { max-width: 100%; display: block; }
.container { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* 헤더 */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(251, 248, 242, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; flex-direction: column; line-height: 1.2; text-decoration: none; }
.logo-main { font-family: 'Gowun Batang', serif; font-size: 1.4rem; font-weight: 700; color: var(--primary); }
.logo-sub { font-size: .8rem; font-weight: 500; color: var(--accent); letter-spacing: .05em; }
.site-nav { display: flex; gap: 28px; }
.site-nav a { color: var(--text); text-decoration: none; font-weight: 500; }
.site-nav a:hover { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; color: var(--text); cursor: pointer; }

/* 첫 화면 */
.hero {
  padding: 80px 0 96px;
  background: linear-gradient(160deg, #eef3e8 0%, var(--bg) 55%, #f7e9df 100%);
}
.hero-inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.hero-eyebrow { color: var(--accent); font-weight: 700; margin: 0 0 14px; }
.hero h1 {
  font-family: 'Gowun Batang', serif;
  font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.3; margin: 0 0 22px;
}
.hero h1 em { font-style: normal; color: var(--primary); }
.hero-text { color: var(--muted); margin: 0 0 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-books { position: relative; height: 380px; }
.hero-books img {
  position: absolute; width: 58%; aspect-ratio: 1; object-fit: cover;
  border-radius: var(--radius); border: 6px solid #fff;
  box-shadow: 0 14px 30px rgba(60, 40, 20, .15);
}
.hero-books img:nth-child(1) { left: 0; top: 20px; transform: rotate(-6deg); }
.hero-books img:nth-child(2) { right: 0; top: 0; transform: rotate(5deg); }
.hero-books img:nth-child(3) { left: 22%; bottom: -10px; transform: rotate(-1deg); z-index: 2; }

.btn {
  display: inline-block; padding: 12px 26px; border-radius: 999px;
  font-weight: 700; text-decoration: none; transition: .2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { border: 2px solid var(--accent); color: var(--accent); background: transparent; }
.btn-ghost:hover { background: var(--accent); color: #fff; }

/* 공통 섹션 */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-eyebrow { color: var(--accent); font-weight: 700; margin: 0 0 6px; }
.section-title { font-family: 'Gowun Batang', serif; font-size: clamp(1.7rem, 3.5vw, 2.2rem); line-height: 1.4; margin: 0 0 20px; }
.section-desc { color: var(--muted); margin-top: -6px; }

/* 소개 */
.about { display: grid; grid-template-columns: 280px 1fr; gap: 56px; align-items: center; }
.about-badge {
  aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #f1f6ec, var(--primary-soft));
  border: 10px solid #fff; box-shadow: 0 10px 30px rgba(60, 40, 20, .08);
  display: grid; place-items: center;
}
.about-badge span { font-family: 'Gowun Batang', serif; font-size: 2.6rem; font-weight: 700; color: var(--primary); }
.about-facts { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 8px; }
.about-facts li { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 16px; }
.about-facts strong { display: inline-block; width: 52px; color: var(--accent); }

/* 차별점 */
.points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.point {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; color: inherit; text-decoration: none; transition: .2s;
}
.point:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(60, 40, 20, .08); }
.point-num { font-family: 'Gowun Batang', serif; font-size: 2rem; font-weight: 700; color: var(--accent); line-height: 1; }
.point h3 { margin: 6px 0 0; font-size: 1.12rem; line-height: 1.5; color: var(--primary); }
.point p { margin: 0; color: var(--muted); font-size: .95rem; flex: 1; }
.point-more { font-size: .9rem; font-weight: 700; color: var(--accent); }

/* 수업 이야기 */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin: 24px 0 28px; }
.filters button {
  font: inherit; font-size: .95rem; padding: 6px 18px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer;
}
.filters button[aria-selected="true"] { background: var(--primary); border-color: var(--primary); color: #fff; }
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.post {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  color: inherit; text-decoration: none; transition: .2s;
}
.post:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(60, 40, 20, .08); }
.post-thumb { aspect-ratio: 1; background: var(--primary-soft); overflow: hidden; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-body { display: flex; flex-direction: column; gap: 6px; padding: 20px 22px 22px; flex: 1; }
.post h3 { margin: 2px 0 0; font-size: 1.1rem; line-height: 1.5; }
.post p { margin: 0; color: var(--muted); font-size: .93rem; flex: 1; }
.post time { color: var(--muted); font-size: .85rem; }
.tag {
  align-self: flex-start; font-size: .8rem; font-weight: 700;
  padding: 2px 10px; border-radius: 6px; background: var(--accent-soft); color: #9c4422;
}
.more { text-align: center; margin: 40px 0 0; }

/* 상담 */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.contact-list { list-style: none; padding: 8px 28px; margin: 0; background: var(--card); border-radius: var(--radius); border: 1px solid var(--line); }
.contact-list li { padding: 16px 0; border-bottom: 1px dashed var(--line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list strong { display: inline-block; width: 90px; color: var(--accent); }
.contact-list a { font-weight: 700; }
.contact .btn { margin-top: 8px; }

/* 푸터 */
.site-footer { padding: 28px 0; text-align: center; color: var(--muted); font-size: .9rem; border-top: 1px solid var(--line); }

/* 태블릿 */
@media (max-width: 960px) {
  .points { grid-template-columns: repeat(2, 1fr); }
}

/* 휴대전화 */
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 16px; border-top: 1px solid var(--line); }
  .hero { padding: 56px 0 72px; }
  .hero-inner, .about, .contact { grid-template-columns: 1fr; gap: 36px; }
  .hero-books { height: 260px; max-width: 360px; width: 100%; margin: 0 auto; }
  .about-badge { width: 180px; margin: 0 auto; }
  .points { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .section-title br { display: none; }
}