/* ===================== SECTION HEADING ===================== */
.sec-head {
    text-align: center;
    margin-bottom: 56px;
}
.sec-head {
    font-size: 42px;
    font-weight: 300;          /* 타이틀 전체 얇게 */
    letter-spacing: -0.02em;
    color: var(--black);
    line-height: 1.3;
}
.sec-head strong {
    font-weight: 800;          /* 강조부분 굵게 + 골드 */
}
.sec-head .thin {
    font-weight: 300;          /* '이란?' 등 블랙 얇게 */
    color: var(--black);
    -webkit-text-fill-color: var(--black);
}
/* 본문 내 강조(검정 굵게) */
.point-text {
    color: #111111;
    font-weight: 700;
}

/* common section padding */
.intro-section,
.case-section,
.step-section,
.faq-section,
.style-section,
.scar-detail-section,
.why-section {
    padding: 110px 0;
}

/* ===================== 1. HEAD ===================== */
.head-section {
    position: relative;
    width: 100%;
    height: 550px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.head-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
/* 헤드 이미지 어둡게 조절 */
.head-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.38);
    z-index: 1;
}
.head-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}
.head-title {
    font-size: 56px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.45);
}
.head-title .thin {
    font-weight: 200;            /* '이식' 화이트 얇게 */
    color: var(--white);
}
.head-title .gold-text {
    text-shadow: none;           /* 골드 클립 텍스트는 그림자 제거 */
}
.head-desc {
    font-size: 20px;
    font-weight: 300;
    line-height: 1.7;
    opacity: 0.92;
    text-shadow: 0 1px 12px rgba(0,0,0,0.4);
}

/* ===================== ANCHOR NAV (sticky) ===================== */
.anchor-nav {
    position: sticky;
    top: 85px;
    z-index: 100;
    background: var(--white);
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-line);
    box-shadow: 0 4px 18px rgba(0,0,0,0.06);
}
.anchor-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.anchor-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 12px;
    border: 1px solid var(--gray-line);
    border-radius: 10px;
    background: var(--white);
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
    transition: all 0.3s ease;
}
.anchor-btn:hover {
    background: var(--black);
    border-color: var(--black);
    color: var(--white);
    box-shadow: 0 8px 22px rgba(0,0,0,0.14);
}

/* ===================== INTRO (이란?) ===================== */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}
.intro-grid.reverse .intro-img { order: 2; }
.intro-img {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(0,0,0,0.10);
}
.intro-img img {
    width: 100%;
    height: 420px;
    object-fit: cover;
}
.intro-text p {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-sub);
    margin-bottom: 22px;
}
.intro-text p:last-child { margin-bottom: 0; }
.intro-text strong { font-size: 18px; }

/* ===================== CASE ===================== */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.case-card {
    background: var(--white);
    border-radius: 16px;
    padding: 50px 34px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--gray-line);
}
.case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.10);
}
.case-num {
    display: inline-block;
    margin-bottom: 22px;
    font-size: 17px;
    font-weight: 800;
    padding: 8px 22px;
    border-radius: 40px;
    background: var(--black);
    /* 검정 칩 + 골드 텍스트 */
    color: #d4af6a;
}
.case-card p {
    font-size: 18px;
    font-weight: 500;
    color: var(--black);
}

/* ===================== STEP ===================== */
.step-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}
.step-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--gray-line);
    border-radius: 16px;
    padding: 44px 26px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
/* STEP 카드 사이 화살표 (gap 40px의 정중앙: 카드 왼쪽 -20px) */
.step-card:not(:first-child)::before {
    content: '\f054'; /* fa chevron-right */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    line-height: 1;
    text-align: center;
    font-size: 18px;
    color: #c9a45a;
    pointer-events: none;
}
.step-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.10);
}
.step-num {
    display: inline-block;
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: 800;
    padding: 8px 20px;
    border-radius: 40px;
    background: var(--black);
    color: #d4af6a;
}
.step-card p {
    font-size: 17px;
    font-weight: 500;
    color: var(--black);
}

/* ===================== FAQ ===================== */
.faq-list {
    max-width: 1000px;
    margin: 0 auto;
}
.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-line);
    border-radius: 14px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}
.faq-item.active {
    box-shadow: 0 14px 36px rgba(0,0,0,0.08);
}
.faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 28px 30px;
    text-align: left;
}
.q-mark {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    font-weight: 800;
    /* 검정 원 + 골드 텍스트 */
    color: #d4af6a;
}
.q-text {
    flex: 1;
    font-size: 19px;
    font-weight: 600;
    color: var(--black);
}
.faq-arrow {
    flex-shrink: 0;
    font-size: 16px;
    color: var(--black);
    transition: transform 0.35s ease;
    opacity: 0.5;
}
.faq-item.active .faq-arrow {
    transform: rotate(180deg);
    opacity: 1;
}
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-a p {
    padding: 0 30px 30px 88px;
    font-size: 17px;
    color: var(--text-sub);
    font-weight: 400;
}

/* ===================== STYLE (수염 부위) ===================== */
.style-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.style-card {
    background: var(--white);
    border: 1px solid var(--gray-line);
    border-radius: 18px;
    padding: 36px 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.style-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.10);
}
.style-img {
    width: 180px;
    height: 144px;
    margin: 0 auto 24px;
    border-radius: 16px;
    overflow: hidden;
    background: var(--gray);
    border: 1px solid var(--gray-line);
    display: flex;
    align-items: center;
    justify-content: center;
}
.style-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.style-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.style-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--black);
    font-size: 15px;
    font-weight: 800;
    color: #d4af6a;
}
.style-card p {
    font-size: 16px;
    color: var(--text-sub);
    font-weight: 400;
}

/* ===================== SCAR DETAIL ===================== */
.scar-lead {
    max-width: 960px;
    margin: 0 auto 50px;
    text-align: center;
    font-size: 18px;
    color: var(--text-sub);
    font-weight: 400;
}
.scar-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 960px;
    margin: 0 auto;
}
.scar-card {
    background: var(--white);
    border: 1px solid var(--gray-line);
    border-radius: 18px;
    padding: 50px 40px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.scar-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.10);
}
.scar-icon {
    width: 78px;
    height: 78px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
}
.scar-icon i {
    font-size: 32px;
    background: var(--gold-img);
    background-size: cover;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.scar-type {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 18px;
}
.scar-card p {
    font-size: 17px;
    color: var(--text-sub);
    font-weight: 400;
}

/* ===================== WHY ===================== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.why-card {
    background: var(--white);
    border: 1px solid var(--gray-line);
    border-radius: 18px;
    padding: 54px 36px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.why-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.10);
}
.why-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 26px;
    border-radius: 50%;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
}
.why-icon i {
    font-size: 38px;
    background: var(--gold-img);
    background-size: cover;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.why-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 18px;
}
.why-card p {
    font-size: 17px;
    color: var(--text-sub);
    font-weight: 400;
}

/* ===================== SCROLL REVEAL ===================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.in {
    opacity: 1;
    transform: translateY(0);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1200px) {
    .sec-head { font-size: 36px; }
    .step-grid { grid-template-columns: repeat(2, 1fr); }
    /* 2열: 3번째 카드 앞 가로 화살표 숨김 */
    .step-card:nth-child(3)::before { display: none; }
}
@media (max-width: 992px) {
    .intro-section, .case-section, .step-section,
    .faq-section, .style-section, .scar-detail-section, .why-section { padding: 80px 0; }
    .intro-grid { grid-template-columns: 1fr; gap: 40px; }
    .intro-grid.reverse .intro-img { order: 0; }
    .intro-img img { height: 360px; }
    .case-grid, .style-grid, .why-grid { grid-template-columns: 1fr 1fr; }
    .anchor-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {	
    .container { padding: 0 22px; }
    .head-section { height: 380px; }
    .head-title { font-size: 38px; }
    .head-desc { font-size: 16px; }
    .sec-head { font-size: 28px; }
    .sec-head { margin-bottom: 40px; }
    .case-grid, .style-grid, .why-grid, .scar-grid, .step-grid { grid-template-columns: 1fr; }
    .step-grid { gap: 46px; }
    .intro-text p, .intro-text strong { font-size: 16px; }
    .q-text { font-size: 16px; }
    .faq-q { padding: 22px 20px; gap: 14px; }
    .faq-a p { padding: 0 22px 24px 64px; font-size: 15px; }
	.anchor-nav{top:65px;}
	.anchor-list{gap:5px;}
    .anchor-btn { font-size: 15px; padding: 7px 8px; }
    /* 1열: 화살표를 카드 사이(위쪽 gap 46px 정중앙 = -23px) 아래 방향으로 */
    .step-card:nth-child(3)::before { display: block; }
    .step-card:not(:first-child)::before {
        left: 50%;
        top: -23px;
        transform: translate(-50%, -50%) rotate(90deg);
    }
}
@media (max-width: 480px) {
    .anchor-list { grid-template-columns: 1fr 1fr; gap: 12px; }
    .head-title { font-size: 30px; }
}