/* === landing.css — 랜딩 마케팅 페이지 전용. body.landing-page 스코프로 전역 격리. === */

/* 전역 앱 셸(flex + padding) 해제 — 와이드 마케팅 레이아웃으로 전환 */
body.landing-page {
    display: block;
    padding: 0;
    scroll-behavior: smooth; /* 상단 네비 #village·#together 앵커 점프를 부드럽게 */
}

/* 세리프 헬퍼 — 헤드라인·섹션 타이틀에만 Gowun Batang 적용 */
.lp-serif {
    font-family: "Gowun Batang", "Batang", serif;
}

/* ================================================================
   네비게이션 바
   ================================================================ */
.lp-nav {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 24px;
}

.lp-nav-inner {
    max-width: 1080px;
    margin: 0 auto;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.lp-nav-brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
    text-decoration: none;
    color: var(--accent-hover);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.02em;
    white-space: nowrap;
}

/* 브랜드 로고 SVG — .lp-nav-brand가 align-items:baseline이라 SVG가 떠 보여 광학 중앙 정렬(app.css .brand-ico와 동일 처리) */
.lp-nav-brand svg { align-self: center; flex: 0 0 auto; }

.lp-nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
}

.lp-nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.9rem;
    transition: color .15s;
}

.lp-nav-links a:hover { color: var(--text); }

.lp-nav-cta {
    text-decoration: none;
    background: var(--accent);
    color: #fff;
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    transition: background .15s;
    white-space: nowrap;
}

.lp-nav-cta:hover { background: var(--accent-hover); }

/* ================================================================
   1080px 메인 셸
   ================================================================ */
.lp-shell {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ================================================================
   히어로 섹션
   ================================================================ */
.lp-hero {
    padding: 80px 0 72px;
    border-bottom: 1px solid var(--border);
}

.lp-hero-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 48px;
    align-items: center;
}

.lp-hero-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.lp-hero-h1 {
    font-size: 3rem;
    line-height: 1.2;
    color: var(--text);
    margin: 0 0 16px;
    word-break: keep-all;
    letter-spacing: -.03em;
}

.lp-hero-sub {
    font-size: 1.1rem;
    color: var(--accent-hover);
    margin: 0 0 20px;
    font-weight: 600;
    word-break: keep-all;
    line-height: 1.5;
}

.lp-hero-lead {
    color: var(--muted);
    line-height: 1.8;
    margin: 0 0 32px;
    word-break: keep-all;
    font-size: 1rem;
}

/* CTA 스택 — 세로 배열 */
.lp-cta-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 340px;
}

.lp-cta-stack .btn {
    text-decoration: none;
    text-align: center;
    border-radius: var(--radius-sm); /* nav-cta·bottom-cta와 라운드 통일(8px) */
}

/* ================================================================
   플레이스홀더 — 비주얼 자리(실제 캡처로 교체 예정)
   ================================================================ */
.lp-placeholder {
    background: linear-gradient(140deg, var(--sage-soft) 0%, var(--sage-5) 100%);
    border-radius: 20px;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 40px 32px;
    border: 1px solid var(--border);
}

.lp-placeholder-icon {
    font-size: 3.5rem;
    opacity: .55;
}

.lp-placeholder-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-hover);
    text-align: center;
    word-break: keep-all;
}

.lp-placeholder-sub {
    font-size: 0.8rem;
    color: var(--muted);
    max-width: 200px;
    line-height: 1.5;
    text-align: center;
}

/* ================================================================
   공통 섹션 구조
   ================================================================ */
.lp-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border);
    scroll-margin-top: 80px; /* sticky 네비(64px)에 앵커 타겟 제목이 가리지 않도록 */
}

.lp-section-label {
    display: inline-block;
    background: var(--sage-soft);
    color: var(--accent-hover);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.lp-section-title {
    font-size: 2rem;
    color: var(--text);
    margin: 0 0 16px;
    word-break: keep-all;
    line-height: 1.3;
    letter-spacing: -.025em;
}

.lp-section-lead {
    color: var(--muted);
    line-height: 1.8;
    margin: 0 0 28px;
    word-break: keep-all;
    font-size: 1rem;
    max-width: 480px;
}

.lp-section-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color .15s;
}

.lp-section-link:hover { color: var(--accent-hover); }

/* 2단 그리드 변형 — 방향별로 비율 조정 */
.lp-grid-2col-b {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 64px;
    align-items: center;
}

.lp-grid-2col-c {
    display: grid;
    grid-template-columns: 1.04fr .96fr;
    gap: 64px;
    align-items: center;
}

/* ================================================================
   잔디 CSS 목업
   ================================================================ */
.lp-grass-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius); /* 앱 .card(14px)와 통일 */
    padding: 24px;
    box-shadow: var(--shadow);
}

.lp-grass-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 8px;
}

.lp-grass-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
}

.lp-grass-badge {
    font-size: 0.75rem;
    color: var(--accent-hover);
    background: var(--sage-soft);
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
}

.lp-grass-grid {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    grid-template-rows: repeat(7, 1fr);
    gap: 4px;
}

.lp-grass-cell {
    aspect-ratio: 1;
    border-radius: 3px;
    background: var(--border);
}

/* 잔디 농도 — 1(연)~5(진) */
.lp-grass-cell.g1 { background: var(--sage-2); }
.lp-grass-cell.g2 { background: var(--sage-4); }
.lp-grass-cell.g3 { background: var(--sage-5); }
.lp-grass-cell.g4 { background: var(--sage-7); }
.lp-grass-cell.g5 { background: var(--accent-hover); }

.lp-grass-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    font-size: 0.78rem;
    color: var(--muted);
}

/* ================================================================
   함께 읽기 — 팔로잉 미리보기 CSS 목업
   ================================================================ */
.lp-social-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.lp-social-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 8px;
}

.lp-social-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
}

.lp-social-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lp-social-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
}

.lp-social-avatar {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    line-height: 1;
    background: var(--sage-soft);
    border-radius: 50%;
}

.lp-social-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lp-social-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    word-break: keep-all;
}

/* 팔로잉 미리보기 메타 — 실제 팔로잉 목록(/me/following)의 '공개 책 N권'을 미러링.
   남의 잔디·서재는 열람 불가라 미니 잔디바를 두지 않는다(거짓 광고 방지). */
.lp-social-meta {
    font-size: 0.78rem;
    color: var(--muted);
}

/* ================================================================
   기능 그리드
   ================================================================ */
.lp-features-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border);
}

.lp-features-header {
    text-align: center;
    margin-bottom: 48px;
}

.lp-features-header .lp-section-title { margin-bottom: 0; }

.lp-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.lp-feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px; /* 앱 .card와 패딩 통일 */
    box-shadow: var(--shadow);
}

.lp-feature-icon {
    margin-bottom: 14px;
    line-height: 0; /* SVG 아래 여백 제거 */
}

/* 기능 아이콘 = 앱 라인아트 SVG. 앱 타일 아이콘과 같은 accent 그린, 2rem 크기로 통일. */
.lp-feature-icon svg {
    width: 2rem;
    height: 2rem;
    color: var(--accent);
}

.lp-feature-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 8px;
    word-break: keep-all;
}

.lp-feature-desc {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.65;
    margin: 0;
    word-break: keep-all;
}

/* ================================================================
   3단계 how-it-works
   ================================================================ */
.lp-steps-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border);
}

.lp-steps-header {
    text-align: center;
    margin-bottom: 56px;
}

.lp-steps-header .lp-section-title { margin-bottom: 0; }

.lp-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

/* 단계 사이 연결선 */
.lp-steps-grid::before {
    content: '';
    position: absolute;
    top: 24px;
    left: calc(16.66% + 24px);
    right: calc(16.66% + 24px);
    height: 1px;
    background: var(--border);
    z-index: 0;
}

.lp-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.lp-step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 auto 20px;
    position: relative;
}

.lp-step-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 10px;
    word-break: keep-all;
}

.lp-step-desc {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.65;
    margin: 0;
    word-break: keep-all;
}

/* ================================================================
   하단 CTA
   ================================================================ */
.lp-bottom-cta {
    padding: 96px 0;
    text-align: center;
}

.lp-bottom-cta-eyebrow {
    display: inline-block;
    background: var(--sage-soft);
    color: var(--accent-hover);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.lp-bottom-cta-h2 {
    font-size: 2.6rem;
    color: var(--text);
    margin: 0 0 16px;
    word-break: keep-all;
    letter-spacing: -.03em;
    line-height: 1.2;
}

.lp-bottom-cta-lead {
    color: var(--muted);
    font-size: 1.05rem;
    margin: 0 auto 40px;
    max-width: 460px;
    word-break: keep-all;
    line-height: 1.8;
}

.lp-bottom-cta-btn {
    display: inline-block;
    text-decoration: none;
    background: var(--accent);
    color: #fff;
    padding: 16px 44px;
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
    font-weight: 700;
    transition: background .15s;
    letter-spacing: -.01em;
}

.lp-bottom-cta-btn:hover { background: var(--accent-hover); }

/* ================================================================
   푸터
   ================================================================ */
.lp-footer {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    border-top: 1px solid var(--border);
    background: var(--card-bg);
    flex-wrap: wrap;
}

.lp-footer a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.85rem;
    transition: color .15s;
}

.lp-footer a:hover { color: var(--text); }

/* ================================================================
   반응형 — 태블릿 (≤860px)
   ================================================================ */
@media (max-width: 860px) {
    .lp-hero-grid,
    .lp-grid-2col-b,
    .lp-grid-2col-c {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    /* 역방향 그리드(잔디·서재)에서 텍스트를 항상 위로 */
    .lp-grid-2col-b .lp-section-text { order: -1; }

    .lp-hero { padding: 56px 0 48px; }
    .lp-hero-h1 { font-size: 2.4rem; }

    .lp-section { padding: 56px 0; }
    .lp-section-title { font-size: 1.75rem; }
    .lp-section-lead { max-width: 100%; }

    .lp-features-section,
    .lp-steps-section { padding: 56px 0; }
    .lp-features-grid { grid-template-columns: repeat(2, 1fr); }

    .lp-steps-grid::before { display: none; }
    .lp-steps-grid { gap: 28px; }

    .lp-bottom-cta { padding: 64px 0; }
    .lp-bottom-cta-h2 { font-size: 2rem; }

    .lp-placeholder { min-height: 280px; }

    .lp-nav-links { display: none; }
}

/* ================================================================
   반응형 — 모바일 (≤480px)
   ================================================================ */
@media (max-width: 480px) {
    .lp-nav { padding: 0 16px; }

    .lp-shell { padding: 0 16px; }

    .lp-hero { padding: 40px 0 36px; }
    .lp-hero-h1 { font-size: 2rem; }

    .lp-section { padding: 40px 0; }
    .lp-section-title { font-size: 1.5rem; }

    .lp-cta-stack { max-width: 100%; }

    .lp-features-section,
    .lp-steps-section { padding: 40px 0; }
    .lp-features-grid { grid-template-columns: 1fr; }
    .lp-steps-grid { grid-template-columns: 1fr; }

    .lp-bottom-cta { padding: 48px 0; }
    .lp-bottom-cta-h2 { font-size: 1.75rem; }

    .lp-placeholder { min-height: 220px; }

    /* 잔디 그리드는 모바일에서도 13열×7행을 유지 — 셀이 카드 폭에 맞춰 작아지며 '비율째 축소'된다.
       과거 repeat(7,1fr)로 열만 줄였더니 91칸(7×13)이 7열에 채워지며 13행으로 넘쳐
       세로로 길쭉해지는 버그가 있었다(셀이 aspect-ratio:1이라 폭↑→높이↑→행수↑). */
}