/* ─────────────────────────────────────────────────────────
   알파추심 — 신규 랜딩 디자인 시스템 (plan_modified.pdf §2)
   톤: congbab.com (미니멀·여백·blackwhite + 강조 노랑)
   ───────────────────────────────────────────────────────── */

:root {
    --ac-black:    #0E0E10;
    --ac-white:    #FFFFFF;
    --ac-yellow:   #FFC107;
    --ac-yellow-h: #E0A800;
    --ac-red:      #E03131;
    --ac-soft:     #FFF6E5;
    --ac-text:     #1A1A1A;
    --ac-muted:    #6B7280;
    --ac-line:     #E5E7EB;
    --ac-bg-soft:  #F7F7F8;
}

/* Pretendard Variable */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.css');

html { margin-left: 0 !important; }

body.ac-landing-body {
    font-family: 'Pretendard Variable', Pretendard, -apple-system, sans-serif;
    color: var(--ac-text);
    background: var(--ac-white);
    margin: 0;
}

/* 전역 — 어떤 a 태그도 default underline 갖지 않음 (navbar brand, footer, content link 등 모두) */
body.ac-landing-body a,
body.ac-landing-body a:hover,
body.ac-landing-body a:focus,
body.ac-landing-body a:active,
body.ac-landing-body a:visited {
    text-decoration: none !important;
}

/* navbar 메뉴 hover 시 yellow underline 만 유지 (이미 ::after pseudo 라 위 룰의 영향 없음) */

/* ── 타이포 ───────────────────────────── */
.ac-h1 { font-size: clamp(2.4rem, 4.5vw, 4.5rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.01em; }
.ac-h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); font-weight: 800; line-height: 1.25; margin-bottom: 1rem; }
.ac-h3 { font-size: clamp(1.25rem, 2vw, 1.625rem); font-weight: 700; }
.ac-lead { font-size: 1.125rem; line-height: 1.75; color: var(--ac-muted); }
.ac-red { color: var(--ac-red); }
.ac-black { color: var(--ac-black); }

/* ── 버튼 ──────────────────────────────── */
.ac-btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: .95rem 1.6rem; border-radius: 14px; font-weight: 700;
    text-decoration: none; transition: all .2s;
    border: 1px solid transparent; cursor: pointer;
    font-size: 1rem;
}
.ac-btn--primary { background: var(--ac-yellow); color: var(--ac-black); }
.ac-btn--primary:hover { background: var(--ac-yellow-h); }
.ac-btn--ghost { background: var(--ac-white); color: var(--ac-black); border-color: var(--ac-black); }
.ac-btn--ghost:hover { background: var(--ac-black); color: var(--ac-white); }
.ac-btn--dark { background: var(--ac-black); color: var(--ac-white); }
.ac-btn--lg { padding: 1.1rem 2.2rem; font-size: 1.05rem; }

/* ── 컴포넌트 ───────────────────────────── */
.ac-pill {
    display: inline-block;
    background: var(--ac-soft); color: var(--ac-red);
    padding: .35rem 1rem; border-radius: 999px; font-weight: 700;
}
.ac-card {
    background: var(--ac-white);
    border: 1px solid var(--ac-line);
    border-radius: 16px;
    padding: 2rem;
}
.ac-stats { background: var(--ac-black); color: var(--ac-white); padding: 3rem 0; }
.ac-stat-num { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; }

/* ── 섹션 레이아웃 ───────────────────────── */
.ac-section {
    padding: 6rem 0;
}
@media (max-width: 768px) {
    .ac-section { padding: 4rem 0; }
}
.ac-section--dark { background: var(--ac-black); color: var(--ac-white); }
.ac-section--soft { background: var(--ac-bg-soft); }
.ac-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Navbar ─────────────────────────────── */
.ac-navbar {
    position: sticky; top: 0; z-index: 100;
    background: var(--ac-white);
    border-bottom: 1px solid var(--ac-line);
}
.ac-navbar-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 24px;
    gap: 1rem;
}
.ac-navbar-brand {
    display: flex; align-items: center; gap: .5rem;
    text-decoration: none;
    color: var(--ac-black);
}
.ac-navbar-brand-main {
    font-weight: 800; font-size: 1.25rem; color: var(--ac-black);
}
.ac-navbar-brand-sub {
    font-size: .8rem; font-weight: 500; color: var(--ac-muted);
}
.ac-navbar-menu {
    display: flex; gap: 1.75rem; list-style: none; margin: 0; padding: 0;
    flex: 1; justify-content: center;
}
.ac-navbar-menu a {
    color: var(--ac-text); text-decoration: none; font-weight: 600;
    font-size: 1rem; padding: .25rem 0;
    transition: color .2s;
    position: relative;
}
.ac-navbar-menu a:hover { color: var(--ac-black); }
.ac-navbar-menu a:hover::after {
    content: ''; position: absolute; bottom: -6px; left: 0; right: 0;
    height: 2px; background: var(--ac-yellow);
}
.ac-navbar-cta { display: flex; align-items: center; gap: .5rem; }
.ac-navbar-cta .ac-btn { font-size: .95rem; padding: .65rem 1.25rem; }

/* 모바일 햄버거 */
.ac-navbar-toggle {
    display: none;
    background: transparent; border: 0; padding: 8px;
    cursor: pointer; flex-direction: column; gap: 5px;
}
.ac-navbar-toggle span {
    width: 24px; height: 2px; background: var(--ac-black); border-radius: 2px;
    transition: transform .2s;
}

@media (max-width: 900px) {
    .ac-navbar-menu { display: none; }
    .ac-navbar-toggle { display: inline-flex; }
    .ac-navbar-inner { padding: .85rem 18px; }
    .ac-navbar-brand-main { font-size: 1.1rem; }
    .ac-navbar-cta .ac-btn { padding: .55rem 1rem; font-size: .9rem; }
}

/* ── 모바일 Drawer ───────────────────────── */
.ac-drawer-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    opacity: 0; visibility: hidden; transition: all .25s;
    z-index: 200;
}
.ac-drawer {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: 280px; max-width: 85vw;
    background: var(--ac-white);
    transform: translateX(-100%); transition: transform .25s;
    z-index: 201; padding: 1.5rem 1.25rem 5rem;
    overflow-y: auto;
    box-shadow: 2px 0 12px rgba(0,0,0,.1);
}
body.ac-drawer-open { overflow: hidden; }
body.ac-drawer-open .ac-drawer-backdrop { opacity: 1; visibility: visible; }
body.ac-drawer-open .ac-drawer { transform: translateX(0); }
.ac-drawer-close {
    position: absolute; top: 1rem; right: 1rem;
    background: transparent; border: 0; font-size: 1.5rem; cursor: pointer;
    color: var(--ac-muted);
}
.ac-drawer-brand {
    display: block; text-decoration: none; padding: 1rem 0 1.5rem;
    border-bottom: 1px solid var(--ac-line);
}
.ac-drawer-brand strong { display: block; font-size: 1.25rem; color: var(--ac-black); }
.ac-drawer-brand span { display: block; font-size: .8rem; color: var(--ac-muted); margin-top: .25rem; }
.ac-drawer-menu {
    list-style: none; padding: 0; margin: 1.5rem 0;
}
.ac-drawer-menu li { border-bottom: 1px solid var(--ac-line); }
.ac-drawer-menu a {
    display: block; padding: 1rem 0;
    font-size: 1.05rem; font-weight: 600;
    color: var(--ac-text); text-decoration: none;
}
.ac-drawer-cta {
    width: 100%; margin-top: 1rem; justify-content: center;
}

/* ── Footer ─────────────────────────────── */
.ac-footer {
    background: var(--ac-black); color: rgba(255,255,255,.75);
    padding: 4rem 0 2rem;
}
.ac-footer a { color: rgba(255,255,255,.85); text-decoration: none; }
.ac-footer a:hover { color: var(--ac-yellow); }
.ac-footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem;
}
@media (max-width: 768px) {
    .ac-footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}
.ac-footer-brand { font-size: 1.25rem; font-weight: 800; color: var(--ac-white); margin-bottom: 1rem; }
.ac-footer-meta { font-size: .85rem; line-height: 1.8; }
.ac-footer-bottom {
    margin-top: 3rem; padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,.1);
    font-size: .8rem; text-align: center;
}

/* ── Sticky 듀얼 CTA — 항상 바닥에 붙음 ─── */
.ac-sticky-cta {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--ac-white);
    border-top: 1px solid var(--ac-line);
    padding: .75rem 1rem;
    padding-bottom: calc(.75rem + env(safe-area-inset-bottom, 0px));
    display: flex; gap: .65rem; justify-content: center;
    z-index: 99;
    box-shadow: 0 -4px 12px rgba(0,0,0,.06);
}
.ac-sticky-cta .ac-btn {
    flex: 1; max-width: 280px;
    font-size: .95rem; padding: .85rem 1.2rem; border-radius: 12px;
}

body.ac-landing-body { padding-bottom: 80px; }
@media (max-width: 768px) {
    body.ac-landing-body { padding-bottom: 72px; }
}

/* ── Media ──────────────────────────────── */
.ac-media-img, .ac-media-svg, .ac-media-video {
    max-width: 100%; height: auto; display: block; border-radius: 8px;
    margin-left: auto; margin-right: auto;
}

/* placeholder SVG (16:9) 이 너무 작게 보이지 않도록 부모가 인라인 폭 제한이 없을 때 16:9 비율 강제 */
.ac-media-img[src^="data:image/svg+xml"], .ac-media-svg[src^="data:image/svg+xml"] {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--ac-bg-soft);
    border: 1px dashed var(--ac-line);
    object-fit: cover;
}

/* ── Tabler 호환성 (기존 Bootstrap 페이지 안에서도 폰트 통일) ── */
.ac-landing-body .container,
.ac-landing-body .container-fluid {
    max-width: 1200px;
}
.ac-landing-body .btn-primary {
    background-color: var(--ac-black);
    border-color: var(--ac-black);
    color: var(--ac-white);
}
.ac-landing-body .btn-primary:hover {
    background-color: #333;
    border-color: #333;
}

/* 기존 페이지 hero 가 풀스크린 어두운 배경 → 톤 통일 */
.ac-landing-body .ac-page-hero {
    padding: 5rem 0 4rem;
    background-size: cover;
    background-position: center;
    color: #fff;
}
.ac-landing-body .ac-page-hero h1 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 1rem;
    word-break: keep-all;
    overflow-wrap: break-word;
}
.ac-landing-body .ac-page-hero h1 br + .accent,
.ac-landing-body .ac-page-hero h1 .accent {
    display: inline-block;
    margin-top: .25em;
    line-height: 1.35;
}
.ac-landing-body .ac-page-hero .ac-page-lead {
    max-width: 700px; font-size: 1.05rem; line-height: 1.7; opacity: .9;
}
.ac-landing-body .ac-page-hero .ac-eyebrow-pill,
.ac-landing-body .accent {
    color: var(--ac-yellow);
}
.ac-landing-body .ac-eyebrow-pill {
    display: inline-block;
    padding: .35rem 1rem;
    background: rgba(255, 193, 7, .15);
    border-radius: 999px;
    font-size: .85rem; font-weight: 700;
    margin-bottom: 1rem;
}

/* ── BEFORE / AFTER ─────────────────────── */
.ac-before-headline {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900; color: var(--ac-red);
    text-align: center; line-height: 1.3;
    margin-bottom: 3rem;
}
.ac-bridge-text {
    text-align: center; font-size: clamp(1.5rem, 2.5vw, 2.25rem);
    font-weight: 800; color: var(--ac-black);
    margin: 4rem 0 3rem;
}
.ac-testimonial-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.ac-testimonial-card {
    background: var(--ac-soft);
    border-radius: 16px; padding: 1.75rem;
    display: flex; flex-direction: column;
}
.ac-testimonial-card .ac-testimonial-photo {
    margin: -1.75rem -1.75rem 1.25rem;
    border-radius: 16px 16px 0 0;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--ac-bg-soft);
    cursor: zoom-in;
    position: relative;
}
.ac-testimonial-card .ac-testimonial-photo::after {
    content: '🔍'; position: absolute;
    top: .5rem; right: .5rem;
    width: 32px; height: 32px;
    background: rgba(255,255,255,.92);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .85rem;
    opacity: 0; transition: opacity .2s;
}
.ac-testimonial-card:hover .ac-testimonial-photo::after { opacity: 1; }
.ac-testimonial-card .ac-testimonial-photo img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: center top;
}

/* ── Lightbox ──────────────────────────── */
.ac-lightbox {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.92);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999; cursor: zoom-out;
    padding: 2rem;
    animation: ac-lightbox-in .2s ease-out;
}
@keyframes ac-lightbox-in {
    from { opacity: 0; }
    to { opacity: 1; }
}
.ac-lightbox img {
    max-width: 95vw; max-height: 92vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 20px 40px rgba(0,0,0,.5);
}
.ac-lightbox-close {
    position: fixed; top: 1.25rem; right: 1.5rem;
    background: rgba(255,255,255,.15);
    color: #fff; border: 0;
    width: 44px; height: 44px;
    border-radius: 50%;
    font-size: 1.25rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background .15s;
}
.ac-lightbox-close:hover { background: rgba(255,255,255,.3); }
.ac-lightbox-prev, .ac-lightbox-next {
    position: fixed; top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,.15); color: #fff; border: 0;
    width: 52px; height: 52px; border-radius: 50%;
    font-size: 2rem; line-height: 1; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background .15s;
}
.ac-lightbox-prev { left: 1.25rem; }
.ac-lightbox-next { right: 1.25rem; }
.ac-lightbox-prev:hover, .ac-lightbox-next:hover { background: rgba(255,255,255,.35); }
.ac-lightbox-counter {
    position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%);
    background: rgba(0,0,0,.55); color: #fff;
    padding: .35rem .9rem; border-radius: 999px;
    font-size: .9rem; font-weight: 600; letter-spacing: .03em;
}
@media (max-width: 600px) {
    .ac-lightbox-prev, .ac-lightbox-next { width: 40px; height: 40px; font-size: 1.5rem; }
    .ac-lightbox-prev { left: .4rem; }
    .ac-lightbox-next { right: .4rem; }
}
.ac-testimonial-card .author { font-size: .85rem; color: var(--ac-muted); margin-bottom: .5rem; }
.ac-testimonial-card .quote { font-size: 1rem; line-height: 1.7; }
.ac-testimonial-card .amount { font-size: 1.5rem; font-weight: 800; color: var(--ac-red); margin-top: 1rem; }

/* ── 공통 갤러리 row: 한 줄(데스크톱 6, 모바일 3) + "+N 더보기" 마스크 ──────────── */
.ac-gallery-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: .85rem;
    max-width: 1100px;
    margin: 0 auto;
}
.ac-gallery-row > .ac-gallery-tile:nth-child(n+7) { display: none; }
@media (max-width: 720px) {
    .ac-gallery-row {
        grid-template-columns: repeat(3, 1fr);
        gap: .5rem;
    }
    .ac-gallery-row > .ac-gallery-tile:nth-child(n+7) { display: none; }
}
.ac-gallery-tile {
    margin: 0;
    aspect-ratio: 9 / 16;
    background: var(--ac-bg-soft);
    border-radius: 10px;
    overflow: hidden;
    cursor: zoom-in;
    position: relative;
    transition: transform .15s, box-shadow .15s;
}
.ac-gallery-tile:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,.12);
}
.ac-gallery-tile img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: center top;
    display: block;
}
.ac-gallery-tile.is-more::before {
    content: "+" attr(data-more);
    position: absolute; inset: 0;
    background: rgba(0,0,0,.62);
    color: #fff;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: .02em;
    display: flex; align-items: center; justify-content: center;
    z-index: 2;
    transition: background .15s;
}
.ac-gallery-tile.is-more:hover::before { background: rgba(0,0,0,.74); }
.ac-gallery-tile.is-more::after {
    content: "더 보기";
    position: absolute; left: 0; right: 0; bottom: 14%;
    color: rgba(255,255,255,.85);
    font-size: .8rem; font-weight: 600;
    text-align: center;
    z-index: 2;
}
@media (max-width: 720px) {
    .ac-gallery-tile.is-more::before { font-size: 1.2rem; }
    .ac-gallery-tile.is-more::after { font-size: .7rem; bottom: 12%; }
}

/* ── Promise band 4-pill ─────────────────── */
.ac-promise-band {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem; margin-bottom: 3rem;
}
.ac-promise-pill {
    background: var(--ac-bg-soft); padding: 1.25rem 1.5rem;
    border-radius: 14px; text-align: center; font-weight: 700;
}

/* ── 4-step ──────────────────────────────── */
.ac-step-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}
.ac-step-card {
    background: var(--ac-white); border: 1px solid var(--ac-line);
    border-radius: 16px; padding: 1.75rem; text-align: left;
}
.ac-step-num {
    display: inline-flex; width: 36px; height: 36px;
    background: var(--ac-black); color: var(--ac-yellow);
    border-radius: 50%; align-items: center; justify-content: center;
    font-weight: 800; margin-bottom: 1rem;
}

/* ── Persona grid ────────────────────────── */
.ac-persona-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}
.ac-persona-card {
    background: var(--ac-bg-soft); padding: 1.5rem;
    border-radius: 14px; display: flex; gap: 1rem; align-items: flex-start;
}
.ac-persona-icon-box {
    flex: 0 0 48px; height: 48px; background: var(--ac-yellow);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
}

/* ── 비교표 ──────────────────────────────── */
.ac-compare-wrap {
    overflow-x: auto;
}
.ac-compare {
    width: 100%; border-collapse: collapse;
    background: var(--ac-white);
}
.ac-compare th, .ac-compare td { padding: 1rem 1.25rem; border: 1px solid var(--ac-line); text-align: center; }
.ac-compare th { background: var(--ac-black); color: var(--ac-white); font-weight: 700; }
.ac-compare th.ac-compare-fade, .ac-compare td.ac-compare-fade {
    opacity: 0.45; filter: grayscale(60%);
}

/* ── FAQ accordion ───────────────────────── */
.ac-faq-item {
    border-bottom: 1px solid var(--ac-line);
}
.ac-faq-item summary {
    padding: 1.25rem 0; cursor: pointer; font-weight: 700; font-size: 1.05rem;
    list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.ac-faq-item summary::after {
    content: '+'; font-size: 1.5rem; font-weight: 300; color: var(--ac-muted);
    transition: transform .2s;
}
.ac-faq-item[open] summary::after { content: '−'; }
.ac-faq-item-body {
    padding-bottom: 1.25rem; color: var(--ac-muted); line-height: 1.75;
}

/* ── Pricing 표 ──────────────────────────── */
.ac-pricing-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
@media (max-width: 768px) { .ac-pricing-grid { grid-template-columns: 1fr; } }
.ac-pricing-card {
    border: 2px solid var(--ac-black); border-radius: 16px; padding: 2rem;
    text-align: center;
}
.ac-pricing-card--highlight {
    background: var(--ac-black); color: var(--ac-white);
}
.ac-pricing-card .phase { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; }
.ac-pricing-card .amount { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 800; line-height: 1.4; margin-bottom: 1rem; }
.ac-pricing-card .desc { font-size: .9rem; opacity: 0.8; line-height: 1.6; }

/* ─────────────────────────────────────────────────────────
   기존 페이지 컴포넌트 (success-stories / opinion / column /
   FAQ / about) 가 사용하는 .ac-* 클래스 보강
   ───────────────────────────────────────────────────────── */

/* 카테고리 필터 chip */
.ac-chip {
    display: inline-flex; align-items: center;
    padding: .55rem 1.1rem; border-radius: 999px;
    background: var(--ac-white);
    color: var(--ac-text);
    border: 1px solid var(--ac-line);
    font-size: .9rem; font-weight: 600;
    cursor: pointer; transition: all .2s;
}
.ac-chip:hover { border-color: var(--ac-black); }
.ac-chip.active {
    background: var(--ac-black); color: var(--ac-white);
    border-color: var(--ac-black);
}

/* 성공사례 카드 */
.ac-case-card {
    display: block; background: var(--ac-white);
    border: 1px solid var(--ac-line); border-radius: 14px;
    overflow: hidden; transition: all .2s;
    color: var(--ac-text); height: 100%;
}
.ac-case-card:hover {
    border-color: var(--ac-black);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,.06);
}
.ac-case-thumb {
    position: relative; aspect-ratio: 4 / 3;
    background: var(--ac-bg-soft);
    overflow: hidden;
}
.ac-case-thumb img {
    width: 100%; height: 100%; object-fit: cover;
}
.ac-case-badge {
    position: absolute; top: .75rem; left: .75rem;
    background: var(--ac-yellow); color: var(--ac-black);
    font-size: .75rem; font-weight: 700;
    padding: .25rem .65rem; border-radius: 4px;
}
.ac-case-body { padding: 1rem 1.1rem 1.25rem; }
.ac-case-cat {
    font-size: .75rem; font-weight: 600;
    color: var(--ac-muted); margin-bottom: .35rem;
    text-transform: uppercase; letter-spacing: .03em;
}
.ac-case-card h3 {
    font-size: 1rem; font-weight: 700; line-height: 1.4;
    margin: 0 0 .65rem; color: var(--ac-text);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}
.ac-case-amount {
    font-size: 1.1rem; font-weight: 800;
    color: var(--ac-red); margin-top: .5rem;
}

/* 칼럼 카드 (동일 패턴) */
.ac-column-card {
    display: block; background: var(--ac-white);
    border: 1px solid var(--ac-line); border-radius: 14px;
    overflow: hidden; transition: all .2s;
    color: var(--ac-text); height: 100%;
}
.ac-column-card:hover {
    border-color: var(--ac-black);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,.06);
}
.ac-column-thumb { aspect-ratio: 16 / 9; background: var(--ac-bg-soft); overflow: hidden; }
.ac-column-thumb img { width: 100%; height: 100%; object-fit: cover; }
.ac-column-body { padding: 1rem 1.1rem 1.25rem; }
.ac-column-cat {
    font-size: .75rem; font-weight: 600; color: var(--ac-muted);
    margin-bottom: .35rem; text-transform: uppercase;
}
.ac-column-card h3 {
    font-size: 1rem; font-weight: 700; line-height: 1.4;
    margin: 0 0 .65rem;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ac-column-date { font-size: .8rem; color: var(--ac-muted); }

/* 고객후기 카드 */
.ac-review-card {
    background: var(--ac-bg-soft);
    border-radius: 14px; padding: 1.5rem;
}
.ac-review-author {
    font-weight: 700; color: var(--ac-black);
    margin-bottom: .5rem;
}

/* 페이지 최하단 풀 CTA 영역 */
.ac-cta {
    text-align: center;
    padding: 4rem 0;
    background: var(--ac-bg-soft);
}
.ac-cta-eyebrow {
    color: var(--ac-red); font-weight: 700;
    font-size: .85rem; letter-spacing: .03em;
    margin-bottom: .75rem; text-transform: uppercase;
}

/* legacy .ac-btn (기존 페이지 안의 단순 버튼) — landing 의 .ac-btn 과 호환 */
a.ac-btn, button.ac-btn { display: inline-flex; align-items: center; justify-content: center; }

/* legacy 별칭 — 단일 dash 클래스도 동작 */
.ac-btn-primary { background: var(--ac-yellow); color: var(--ac-black); border-color: var(--ac-yellow); }
.ac-btn-primary:hover { background: var(--ac-yellow-h); color: var(--ac-black); }
.ac-btn-ghost { background: var(--ac-white); color: var(--ac-black); border: 1px solid var(--ac-black); }
.ac-btn-lg { padding: 1.1rem 2.2rem; font-size: 1.05rem; }

/* legacy 섹션 헤딩 (기존 about/column/opinion 등에서 사용) */
.ac-section-eyebrow {
    color: var(--ac-red); font-weight: 700;
    font-size: .85rem; letter-spacing: .05em;
    margin-bottom: .5rem; text-transform: uppercase;
}
.ac-section-title {
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
    font-weight: 800; line-height: 1.25;
    color: var(--ac-text); margin: 0 0 1rem;
}

/* navbar brand hover 시 underline 절대 없도록 (사용자 요청) */
.ac-navbar-brand,
.ac-navbar-brand:hover,
.ac-navbar-brand * {
    text-decoration: none !important;
}

/* FAQ 수동 markup 의 + 아이콘 비활성 — CSS ::after 가 단일 + 를 그림 */
.ac-faq-icon { display: none !important; }
.ac-faq-q {
    color: var(--ac-red); font-weight: 800; margin-right: .35rem;
}