/* ==========================================================================
   about.css — K-인똥구리 소개 페이지
   크림/베이지 배경 · 손글씨 감성 · 일러스트 카드 스타일
   ========================================================================== */
:root {
    --ab-cream:   #F7F3EA;
    --ab-cream2:  #EDE8DC;
    --ab-cream3:  #FBF8F2;
    --ab-green:   #4A7C59;
    --ab-green2:  #6B9B6B;
    --ab-brown:   #8B6F47;
    --ab-brown2:  #C4A882;
    --ab-orange:  #E8723A;
    --ab-red:     #C0392B;
    --ab-yellow:  #FFD93D;
    --ab-text:    #3D2B1F;
    --ab-text2:   #6B5744;
    --ab-text3:   #9B8878;
    --ab-border:  #D4C9B6;
}
html { scroll-behavior: smooth; }
.about-page * { box-sizing: border-box; margin: 0; padding: 0; }
.about-page { background: var(--ab-cream); color: var(--ab-text); overflow-x: hidden; }
.ab-story { scroll-margin-top: 70px; }
.about-page a { text-decoration: none; color: inherit; }
.about-page ul { list-style: none; }
.about-page img { max-width: 100%; display: block; }
.ab-wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

/* 스크롤 애니메이션 */
[data-anim] { opacity: 0; transition: opacity .8s ease, transform .8s cubic-bezier(.25,.8,.25,1); }
[data-anim="fade-up"]    { transform: translateY(40px); }
[data-anim="fade-down"]  { transform: translateY(-30px); }
[data-anim="fade-left"]  { transform: translateX(-40px); }
[data-anim="fade-right"] { transform: translateX(40px); }
[data-anim="zoom-in"]    { transform: scale(0.88); }
[data-anim].anim-in { opacity: 1; transform: none; }
[data-delay="100"]  { transition-delay: .10s; }
[data-delay="150"]  { transition-delay: .15s; }
[data-delay="200"]  { transition-delay: .20s; }
[data-delay="300"]  { transition-delay: .30s; }
[data-delay="400"]  { transition-delay: .40s; }
[data-delay="500"]  { transition-delay: .50s; }
[data-delay="600"]  { transition-delay: .60s; }
[data-delay="700"]  { transition-delay: .70s; }

/* ==========================================================================
   1. 히어로
   ========================================================================== */
.ab-hero {
    background: var(--ab-cream);
    padding: 90px 0 70px;
    position: relative; overflow: hidden;
}
.ab-hero::before {
    content: ''; position: absolute; inset: 0;
    background-image:
        radial-gradient(circle at 15% 20%, rgba(74,124,89,0.05) 0%, transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(232,114,58,0.05) 0%, transparent 40%);
    pointer-events: none;
}
.ab-hero-inner {
    display: flex; align-items: center; gap: 72px;
    position: relative; z-index: 1;
}
.ab-hero-text { flex: 1; min-width: 0; }
.ab-hero-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.78rem; color: var(--ab-green);
    letter-spacing: 0.08em; margin-bottom: 20px;
    border-bottom: 1.5px solid var(--ab-green2); padding-bottom: 4px;
}
.ab-hero-label i { font-size: 1rem; }
.ab-hero-title {
    font-family: 'Nanum Brush Script', 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: clamp(2.8rem, 6.8vw, 4.6rem);
    line-height: 1.35; color: var(--ab-text); margin-bottom: 28px; word-break: keep-all;
}
.ab-hero-title .title-blk { color: #2B241F; }
.ab-hero-title em { color: var(--ab-green); font-style: normal; }
.ab-hero-title .ot { color: var(--ab-orange); font-style: normal; }
.ab-hero-desc {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    color: var(--ab-text2);
    line-height: 2.0;
    word-break: keep-all;
    margin-bottom: 28px;
    padding: 0 4px;
    letter-spacing: -0.01em;
}
.ab-leaf-row {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 24px; color: var(--ab-green2); font-size: 1.1rem;
}
.ab-leaf-row-line {
    flex: 1; height: 1px; background: var(--ab-border);
}
.ab-hero-sig {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.88rem; color: var(--ab-text3); letter-spacing: 0.05em;
    display: flex; align-items: center; gap: 10px;
}
.ab-sig-seal,
.ab-hero-card-sig-seal,
.ab-sc-sig-seal,
.ab-ai-msg-sig-seal {
    width: 24px;
    height: 24px;
    background: #B92B27;
    border: 1px solid rgba(255, 255, 255, 0.65);
    outline: 1.5px solid #B92B27;
    outline-offset: 1px;
    border-radius: 3px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #FFFDF9;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-weight: 900;
    font-size: 0.44rem;
    line-height: 1.0;
    letter-spacing: -0.04em;
    transform: rotate(-3deg);
    box-shadow: 1px 2px 5px rgba(185, 43, 39, 0.35);
    user-select: none;
    flex-shrink: 0;
}
.ab-sig-seal span,
.ab-hero-card-sig-seal span,
.ab-sc-sig-seal span,
.ab-ai-msg-sig-seal span {
    display: block;
    transform: scale(0.92);
}

/* 오른쪽 카드 (클릭 가능 링크) */
.ab-hero-visual { flex: 0 0 340px; position: relative; }
.ab-hero-card {
    display: block;
    background: var(--ab-cream3);
    border: 1px solid var(--ab-border);
    border-radius: 6px;
    box-shadow: 6px 8px 24px rgba(61,43,31,0.14), -2px -2px 8px rgba(61,43,31,0.04);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: transform .4s cubic-bezier(.25,.8,.25,1), box-shadow .4s, border-color .3s;
}
.ab-hero-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 10px 18px 38px rgba(61,43,31,0.22);
    border-color: var(--ab-green);
}
.ab-hero-card::before {
    content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 56px; height: 16px; background: rgba(196,168,130,0.5);
    border-radius: 0 0 4px 4px; z-index: 2;
}

/* 클릭 유도 플로팅 배지 (초록색 계열로 변경) */
.ab-hero-card-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: linear-gradient(135deg, var(--ab-green) 0%, #2F5A38 100%);
    color: #ffffff;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(74, 124, 89, 0.45);
    transition: transform .3s ease, box-shadow .3s ease;
    animation: abBadgeFloat 2.5s ease-in-out infinite;
}
.ab-hero-card:hover .ab-hero-card-badge {
    transform: scale(1.08);
    box-shadow: 0 6px 16px rgba(74, 124, 89, 0.6);
}
.ab-hero-card-badge i { font-size: 0.85rem; }
.ab-hero-card-badge .ri-arrow-down-s-line {
    animation: abArrowBounce 1.4s ease-in-out infinite;
}

@keyframes abBadgeFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}
@keyframes abArrowBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(2px); }
}

.ab-hero-slider {
    width: 100%;
    height: 260px;
    position: relative;
    overflow: hidden;
    background: var(--ab-cream);
    border-bottom: 1px solid var(--ab-border);
}
.ab-hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    opacity: 0;
    transform: scale(1.04);
    transition: opacity 1.2s cubic-bezier(.4, 0, .2, 1), transform 3.0s ease-out;
    pointer-events: none;
}
.ab-hero-slide.active {
    opacity: 1;
    transform: scale(1.0);
    pointer-events: auto;
}
.ab-hero-card-body { padding: 22px 18px 16px; text-align: center; }
.ab-hero-card-leaves {
    color: var(--ab-green2); font-size: 1rem;
    display: flex; justify-content: center; gap: 8px; margin-bottom: 12px;
}
.ab-hero-card-title {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 1.02rem; font-weight: 700; color: var(--ab-text); line-height: 1.6;
    word-break: keep-all; margin-bottom: 12px; letter-spacing: -0.02em;
}
.ab-hero-card-title em { color: var(--ab-green); font-style: normal; }
.ab-hero-card-sub {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.7rem; color: var(--ab-text3); letter-spacing: 0.06em;
}
.ab-hero-card-sig {
    padding: 10px 18px; background: var(--ab-cream2);
    border-top: 1px solid var(--ab-border);
    display: flex; align-items: center; justify-content: center; gap: 8px;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif; font-size: 0.68rem; color: var(--ab-text3);
}

/* ==========================================================================
   2. 스토리 카드 섹션
   ========================================================================== */
.ab-story { padding: 90px 0; background: var(--ab-cream); }
.ab-story-header { text-align: center; margin-bottom: 56px; }
.ab-story-header-tag {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.75rem; color: var(--ab-green);
    letter-spacing: 0.14em; text-transform: uppercase;
    margin-bottom: 12px; display: block;
}
.ab-story-header-title {
    font-family: 'Nanum Brush Script', cursive;
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    color: var(--ab-text); line-height: 1.4; margin-bottom: 14px;
}
.ab-story-header-title em { color: var(--ab-green); font-style: normal; }
.ab-story-header-desc {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: clamp(0.9rem, 1.6vw, 1rem);
    color: var(--ab-text2); line-height: 1.8; max-width: 680px; margin: 0 auto;
    word-break: keep-all;
}

/* 카드 그리드 — 4열 (2행 4열로 8장 완벽 정렬) */
.ab-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* 개별 카드 */
.ab-sc {
    background: var(--ab-cream3);
    border: 1px solid var(--ab-border);
    border-radius: 6px;
    box-shadow: 4px 6px 20px rgba(61,43,31,0.09);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform .4s cubic-bezier(.25,.8,.25,1), box-shadow .4s;
    position: relative;
}
.ab-sc:hover {
    transform: translateY(-8px);
    box-shadow: 6px 14px 32px rgba(61,43,31,0.16);
}

/* 카드 상단 크롭 이미지 */
.ab-sc-img-wrap {
    width: 100%; height: 155px; overflow: hidden;
    position: relative; border-bottom: 1px solid var(--ab-border);
    background: var(--ab-cream);
}
.ab-sc-img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: top center;
    display: block; transition: transform .6s ease;
}
.ab-sc:hover .ab-sc-img { transform: scale(1.04); }

/* 카드 번호 */
.ab-sc-num {
    position: absolute; top: 8px; left: 8px;
    width: 24px; height: 24px; background: var(--ab-green);
    color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif; font-size: 0.7rem; font-weight: 700;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* 카드 본문 */
.ab-sc-body {
    padding: 16px 14px 14px;
    text-align: center;
    flex: 1; display: flex; flex-direction: column; justify-content: space-between;
}
.ab-sc-leaves {
    color: var(--ab-green2); font-size: 0.85rem;
    display: flex; justify-content: center; gap: 5px; margin-bottom: 8px;
}
.ab-sc-text {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.88rem; font-weight: 500; color: var(--ab-text);
    line-height: 1.62; word-break: keep-all; margin-bottom: 10px; letter-spacing: -0.015em;
}
.ab-sc-text em { color: var(--ab-green); font-style: normal; font-weight: 700; }
.ab-sc-text .ot { color: var(--ab-orange); font-style: normal; font-weight: 700; }

.ab-sc-divider { width: 32px; height: 1px; background: var(--ab-border); margin: 6px auto; }
.ab-sc-source {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.7rem; color: var(--ab-text3); letter-spacing: 0.03em;
}

/* 카드 하단 서명 */
.ab-sc-sig {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 12px; background: var(--ab-cream2);
    border-top: 1px solid var(--ab-border);
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif; font-size: 0.7rem; color: var(--ab-text3);
}
.ab-sig-flower {
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: -2px;
    object-fit: contain;
    margin: 0 2px 0 3px;
}
.ab-sc-sig-seal {
    width: 20px; height: 20px; background: var(--ab-red); border-radius: 3px;
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-size: 0.44rem; font-weight: 700; flex-shrink: 0;
    margin-left: 4px;
}

/* ==========================================================================
   3. AI 시대 섹션
   ========================================================================== */
.ab-ai { padding: 80px 0; background: var(--ab-cream2); position: relative; }
.ab-ai::before {
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 50% 50%, rgba(74,124,89,0.04) 0%, transparent 60%);
    pointer-events: none;
}
.ab-ai-header { text-align: center; margin-bottom: 52px; position: relative; }
.ab-ai-header-tag {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.75rem; color: var(--ab-green);
    letter-spacing: 0.14em; text-transform: uppercase;
    margin-bottom: 12px; display: block;
}
.ab-ai-header-title {
    font-family: 'Nanum Brush Script', cursive;
    font-size: clamp(1.8rem, 4vw, 2.7rem);
    color: var(--ab-text); line-height: 1.5; word-break: keep-all;
}
.ab-ai-header-title em { color: var(--ab-orange); font-style: normal; }
.ab-ai-header-desc {
    margin-top: 14px;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.91rem; color: var(--ab-text2); line-height: 1.9; word-break: keep-all;
}
.ab-ai-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 36px;
    position: relative;
}
.ab-ai-card {
    background: var(--ab-cream3); border: 1px solid var(--ab-border); border-radius: 4px;
    padding: 28px 20px; text-align: center;
    box-shadow: 3px 5px 16px rgba(61,43,31,0.08);
    transition: transform .35s, box-shadow .35s;
}
.ab-ai-card:hover { transform: translateY(-6px); box-shadow: 6px 10px 28px rgba(61,43,31,0.13); }
.ab-ai-icon {
    width: 58px; height: 58px; border: 1.5px solid var(--ab-border); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; margin: 0 auto 14px; background: var(--ab-cream2);
    color: var(--ab-green); transition: transform .4s cubic-bezier(.34,1.56,.64,1);
}
.ab-ai-card:hover .ab-ai-icon { transform: scale(1.15) rotate(-6deg); }
.ab-ai-card:nth-child(2) .ab-ai-icon { color: var(--ab-orange); }
.ab-ai-card:nth-child(3) .ab-ai-icon { color: var(--ab-brown); }
.ab-ai-name {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 1.15rem; font-weight: 700; color: var(--ab-text); margin-bottom: 8px; letter-spacing: -0.02em;
}
.ab-ai-desc {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.81rem; color: var(--ab-text2); line-height: 1.7; word-break: keep-all;
}
/* 강조 메시지 박스 */
.ab-ai-msg {
    background: var(--ab-cream3); border: 1.5px solid var(--ab-brown2); border-radius: 4px;
    padding: 38px 48px; text-align: center; position: relative;
    box-shadow: 4px 6px 20px rgba(61,43,31,0.1);
}
.ab-ai-msg::before,
.ab-ai-msg::after {
    content: ''; position: absolute; width: 18px; height: 18px;
    border-color: var(--ab-brown2); border-style: solid;
}
.ab-ai-msg::before { top: 10px; left: 10px; border-width: 2px 0 0 2px; }
.ab-ai-msg::after  { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; }
.ab-ai-msg-leaves {
    color: var(--ab-green2); font-size: 1.1rem;
    display: flex; justify-content: center; gap: 10px; margin-bottom: 14px;
}
.ab-ai-msg-title {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: clamp(1.15rem, 2.4vw, 1.55rem); font-weight: 700;
    color: var(--ab-text); line-height: 1.55; margin-bottom: 14px; word-break: keep-all; letter-spacing: -0.02em;
}
.ab-ai-msg-title em { color: var(--ab-orange); font-style: normal; }
.ab-ai-msg-sub {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.91rem; color: var(--ab-text2); line-height: 1.9; word-break: keep-all; margin-bottom: 20px;
}
.ab-ai-msg-sig {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif; font-size: 0.78rem; color: var(--ab-text3); letter-spacing: 0.05em;
}
.ab-ai-msg-sig-seal {
    width: 24px; height: 24px; background: var(--ab-red); border-radius: 4px;
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-size: 0.48rem; font-weight: 700;
}

/* ==========================================================================
   4. CTA
   ========================================================================== */
.ab-cta {
    padding: 90px 0; background: var(--ab-green);
    text-align: center; color: #fff; position: relative; overflow: hidden;
}
.ab-cta::before {
    content: ''; position: absolute; inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.06) 0%, transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(0,0,0,0.05) 0%, transparent 45%);
    pointer-events: none;
}
.ab-cta-inner { position: relative; z-index: 1; }
.ab-cta-leaves {
    color: rgba(255,255,255,0.7); font-size: 1.1rem;
    display: flex; justify-content: center; gap: 10px; margin-bottom: 16px;
}
.ab-cta-title {
    font-family: 'Nanum Brush Script', cursive;
    font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.5;
    margin-bottom: 18px; word-break: keep-all;
}
.ab-cta-title em { color: var(--ab-yellow); font-style: normal; }
.ab-cta-desc {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 0.96rem; opacity: 0.85; line-height: 1.85; word-break: keep-all;
    max-width: 520px; margin: 0 auto 36px;
}
.ab-cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.ab-cta-btns .ab-cta-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif; font-size: 0.95rem; font-weight: 700;
    padding: 13px 30px; border-radius: 2px !important; text-decoration: none !important;
    transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
}
.ab-cta-btns .ab-cta-btn i { font-size: 1.1rem; }
.ab-cta-btns .ab-cta-btn-primary {
    background: #ffffff !important;
    color: #2E7D32 !important;
    border: 1.5px solid #ffffff !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
.ab-cta-btns .ab-cta-btn-primary:hover {
    background: #F1F8E9 !important;
    color: #1B5E20 !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.ab-cta-btns .ab-cta-btn-secondary {
    background: transparent !important;
    color: #ffffff !important;
    border: 1.5px solid rgba(255,255,255,0.8) !important;
}
.ab-cta-btns .ab-cta-btn-secondary:hover {
    background: rgba(255,255,255,0.15) !important;
    color: #ffffff !important;
    transform: translateY(-3px);
}

/* ==========================================================================
   반응형
   ========================================================================== */
@media (max-width: 960px) {
    .ab-hero-inner { flex-direction: column; gap: 48px; text-align: center; }
    .ab-hero-visual { max-width: 320px; }
    .ab-hero-desc { text-align: left; }
    .ab-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .ab-ai-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .ab-hero, .ab-story, .ab-ai, .ab-cta { padding: 60px 0; }
    .ab-hero-title { font-size: 2.3rem; }
    .ab-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .ab-sc-img-wrap { height: 150px; }
    .ab-sc-body { padding: 16px 12px 14px; }
    .ab-sc-text { font-size: 0.88rem; }
    .ab-ai-grid { grid-template-columns: 1fr; gap: 12px; }
    .ab-ai-msg { padding: 26px 20px; }
    .ab-cta-btns { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
    .ab-wrap { padding: 0 16px; }
    .ab-hero-title { font-size: 2rem; }
    .ab-cards-grid { grid-template-columns: 1fr; gap: 18px; }
    .ab-sc-img-wrap { height: 180px; }
}