/* ============================================================
 * Landing Page (post_landing) — Lifetime Warranty 시안 기반
 * Breakpoints: Mobile ≤768 / Tablet 769~1180 / PC ≥1181
 * ============================================================ */

.landing_page { width: 100%; }
.landing_page .inner { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; box-sizing: border-box; }

/* PC/MO 이미지 토글 (SENA 컨벤션) */
.landing_page .pc { display: block; }
.landing_page .mo { display: none; }
@media (max-width: 768px) {
    .landing_page .pc { display: none; }
    .landing_page .mo { display: block; }
}

/* 공통 버튼 */
.landing_page .btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-decoration: none;
    border-radius: 999px;
    transition: opacity .2s, background .2s, color .2s;
    cursor: pointer;
}
.landing_page .btn-filled  { background: #000; color: #fff; border: 1px solid #000; }
.landing_page .btn-outline { background: transparent; color: #fff; border: 1px solid #fff; }
.landing_page .btn-filled:hover  { opacity: 0.85; }
.landing_page .btn-outline:hover { background: #fff; color: #000; }

/* light theme 안에서 버튼 색 반전 */
.landing_page .theme-light .btn-outline { color: #000; border-color: #000; }
.landing_page .theme-light .btn-outline:hover { background: #000; color: #fff; }
.landing_page .theme-light .btn-filled { background: #000; color: #fff; border-color: #000; }

/* ────────────────────────────────────────────────────────────
 * 1. landing-hero
 * ──────────────────────────────────────────────────────────── */
.landing-hero {
    position: relative;
    width: 100%;
    min-height: var(--landing-hero-min-pc, 480px);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.landing-hero .bg { position: absolute; inset: 0; z-index: 1; }
.landing-hero .bg .pc, .landing-hero .bg .mo { width: 100%; height: 100%; }
.landing-hero .bg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.landing-hero .overlay {
    position: absolute; inset: 0; z-index: 2;
    background: rgba(0, 0, 0, var(--landing-hero-overlay, 0.2));
}
.landing-hero .inner {
    position: relative; z-index: 3;
    text-align: center;
}
.landing-hero.text-white .title,
.landing-hero.text-white .subtitle { color: #fff; }
.landing-hero.text-black .title,
.landing-hero.text-black .subtitle { color: #000; }
.landing-hero .title {
    font-size: 64px;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin: 0 0 16px;
    line-height: 1.1;
}
.landing-hero .subtitle {
    font-size: 18px;
    font-weight: 400;
    margin: 0;
    line-height: 1.5;
}
@media (max-width: 1180px) {
    .landing-hero .title { font-size: 48px; }
    .landing-hero .subtitle { font-size: 16px; }
}
@media (max-width: 768px) {
    .landing-hero { min-height: var(--landing-hero-min-mo, 360px); }
    .landing-hero .title { font-size: 32px; letter-spacing: 0.03em; }
    .landing-hero .subtitle { font-size: 14px; }
}

/* ────────────────────────────────────────────────────────────
 * 2. landing-feature-centered
 * ──────────────────────────────────────────────────────────── */
.landing-feature-centered { padding: 80px 0; background: #fff; }
.landing-feature-centered .text { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.landing-feature-centered .eyebrow {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #888;
    margin: 0 0 12px;
}
.landing-feature-centered .heading {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 16px;
    line-height: 1.3;
}
.landing-feature-centered .body {
    font-size: 16px;
    line-height: 1.7;
    color: #444;
    margin: 0 0 24px;
}
.landing-feature-centered .link a {
    font-size: 14px;
    font-weight: 600;
    color: #000;
    text-decoration: underline;
}
.landing-feature-centered .media {
    margin: 0;
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    position: relative;
}
.landing-feature-centered .media img {
    width: 100%;
    height: auto;
    display: block;
}
.landing-feature-centered .media figcaption {
    position: absolute;
    right: 24px;
    bottom: 24px;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
@media (max-width: 1180px) {
    .landing-feature-centered { padding: 60px 0; }
    .landing-feature-centered .heading { font-size: 28px; }
}
@media (max-width: 768px) {
    .landing-feature-centered { padding: 40px 0; }
    .landing-feature-centered .heading { font-size: 22px; }
    .landing-feature-centered .body { font-size: 14px; }
    .landing-feature-centered .media figcaption {
        right: 12px; bottom: 12px;
        padding: 6px 10px;
        font-size: 10px;
    }
}

/* ────────────────────────────────────────────────────────────
 * 3. landing-banner-cta
 * ──────────────────────────────────────────────────────────── */
.landing-banner-cta { width: 100%; }
.landing-banner-cta .band { padding: 80px 0; text-align: center; }
.landing-banner-cta.theme-dark .band { background: #000; color: #fff; }
.landing-banner-cta.theme-light .band { background: #fff; color: #000; }
.landing-banner-cta .band .heading {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 16px;
    line-height: 1.3;
}
.landing-banner-cta .band .subheading {
    font-size: 16px;
    line-height: 1.7;
    margin: 0 0 32px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 32px;
    opacity: 0.9;
}
.landing-banner-cta .media img {
    width: 100%;
    height: auto;
    display: block;
}
@media (max-width: 1180px) {
    .landing-banner-cta .band { padding: 60px 0; }
    .landing-banner-cta .band .heading { font-size: 28px; }
}
@media (max-width: 768px) {
    .landing-banner-cta .band { padding: 40px 20px; }
    .landing-banner-cta .band .heading { font-size: 22px; }
    .landing-banner-cta .band .subheading { font-size: 14px; }
}

/* ────────────────────────────────────────────────────────────
 * 4. landing-steps
 * ──────────────────────────────────────────────────────────── */
.landing-steps { padding: 80px 0; background: #f5f5f5; }
.landing-steps .hgroup { text-align: center; margin: 0 0 48px; }
.landing-steps .heading {
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 12px;
}
.landing-steps .subheading {
    font-size: 16px;
    color: #666;
    margin: 0;
}
.landing-steps .step_list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    list-style: none;
    padding: 0;
    margin: 0 0 48px;
}
.landing-steps .step_item {
    background: #fff;
    padding: 40px 32px;
    text-align: center;
    border-radius: 4px;
}
.landing-steps .step_item .icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.landing-steps .step_item .icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.landing-steps .step_item .title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 12px;
}
.landing-steps .step_item .description {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
    margin: 0;
}
.landing-steps .cta { text-align: center; margin: 0; }
@media (max-width: 1180px) {
    .landing-steps { padding: 60px 0; }
    .landing-steps .step_list { grid-template-columns: repeat(2, 1fr); }
    .landing-steps .heading { font-size: 26px; }
}
@media (max-width: 768px) {
    .landing-steps { padding: 40px 0; }
    .landing-steps .step_list { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; }
    .landing-steps .heading { font-size: 22px; }
    .landing-steps .step_item { padding: 32px 24px; }
}

/* ────────────────────────────────────────────────────────────
 * 5. landing-quote-overlay
 * ──────────────────────────────────────────────────────────── */
.landing-quote-overlay { position: relative; width: 100%; overflow: hidden; }
.landing-quote-overlay .media { position: relative; width: 100%; }
.landing-quote-overlay .media img { width: 100%; height: auto; display: block; }
.landing-quote-overlay .media .overlay-grad {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0) 50%);
    pointer-events: none;
}
.landing-quote-overlay .text-overlay {
    position: absolute;
    z-index: 2;
    width: 100%;
    max-width: 720px;
    padding: 40px;
    box-sizing: border-box;
}
.landing-quote-overlay.pos-top-left .text-overlay { top: 0; left: 0; }
.landing-quote-overlay.pos-top-right .text-overlay { top: 0; right: 0; }
.landing-quote-overlay.pos-center .text-overlay { top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; }
.landing-quote-overlay.pos-bottom-left .text-overlay { bottom: 0; left: 0; }
.landing-quote-overlay.pos-bottom-right .text-overlay { bottom: 0; right: 0; }
.landing-quote-overlay.text-white .quote,
.landing-quote-overlay.text-white .author { color: #fff; }
.landing-quote-overlay.text-black .quote,
.landing-quote-overlay.text-black .author { color: #000; }
.landing-quote-overlay .quote {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 12px;
}
.landing-quote-overlay .author {
    font-size: 14px;
    margin: 0;
    opacity: 0.85;
}
@media (max-width: 768px) {
    .landing-quote-overlay .quote { font-size: 18px; }
    .landing-quote-overlay .text-overlay { padding: 24px; }

    /* mo-stacked: 텍스트를 이미지 아래로 분리 (가독성 ↑) */
    .landing-quote-overlay.mo-stacked .text-overlay {
        position: static;
        max-width: 100%;
        background: #111;
        color: #fff;
        transform: none;
    }
    .landing-quote-overlay.mo-stacked .text-overlay .quote,
    .landing-quote-overlay.mo-stacked .text-overlay .author { color: #fff; }
    .landing-quote-overlay.mo-stacked .media .overlay-grad { display: none; }
}

/* ────────────────────────────────────────────────────────────
 * 6. landing-faq
 * ──────────────────────────────────────────────────────────── */
.landing-faq { padding: 0 0 80px; }
.landing-faq .faq-header { padding: 32px 0; text-align: center; }
.landing-faq .faq-header.theme-dark { background: #000; color: #fff; }
.landing-faq .faq-header.theme-light { background: #fff; color: #000; border-bottom: 1px solid #eee; }
.landing-faq .faq-header .heading {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.02em;
}

.landing-faq .faq-body { padding: 32px 0 0; }
.landing-faq .faq_list { list-style: none; padding: 0; margin: 0; max-width: 980px; margin-left: auto; margin-right: auto; }
.landing-faq .faq_item {
    border-bottom: 1px solid #e5e5e5;
}
.landing-faq .faq_item .question { position: relative; }
.landing-faq .faq_item .question a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    text-decoration: none;
    color: #111;
    font-size: 15px;
    line-height: 1.5;
}
.landing-faq .faq_item .q-text { flex: 1; padding-right: 24px; }
.landing-faq .faq_item .q-arrow {
    width: 12px; height: 12px;
    border-right: 2px solid #111;
    border-bottom: 2px solid #111;
    transform: rotate(45deg);
    flex-shrink: 0;
    transition: transform .25s;
}
.landing-faq .faq_item.on .q-arrow { transform: rotate(-135deg); }
.landing-faq .faq_item .answer { overflow: hidden; }
.landing-faq .faq_item .answer .block {
    padding: 0 0 24px;
    font-size: 14px;
    line-height: 1.7;
    color: #444;
}
.landing-faq .faq_item .answer .block p { margin: 0 0 12px; }
.landing-faq .faq_item .answer .block a { color: #000; text-decoration: underline; }

@media (max-width: 768px) {
    .landing-faq { padding: 0 0 40px; }
    .landing-faq .faq-header { padding: 20px 0; }
    .landing-faq .faq-header .heading { font-size: 18px; }
    .landing-faq .faq-body { padding: 24px 0 0; }
    .landing-faq .faq_item .question a { padding: 16px 0; font-size: 14px; }
}