/* 공통 섹션 타이틀 (얇은 검정 + 강조 골드 굵게) */
.sec-title {
    font-size: 42px;
    font-weight: 200;
    color: var(--black);
    text-align: center;
    line-height: 1.35;
    letter-spacing: -0.5px;
}
.sec-title b,
.sec-title .gold-text {
    font-weight: 800;
}
.sec-desc {
    margin-top: 26px;
    font-size: 18px;
    font-weight: 300;
    color: var(--gray-text);
    text-align: center;
    line-height: 1.9;
    letter-spacing: -0.3px;
}
.sec-desc .opacity-line {
    opacity: 0.7;
}

/* ================= 1. HEAD IMAGE ================= */
.head {
    position: relative;
    width: 100%;
    max-width: var(--max-width);
    height: 550px;
    margin: 0 auto;
    overflow: hidden;
    background: #2b2b2b;
}
.head__bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    /* 헤드 이미지 조금 어둡게 */
    filter: brightness(0.72);
}
.head__inner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
    background: rgba(0,0,0,0.18);
}
.head__title {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -1px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.head__title .gold-text {
    text-shadow: none;
}
.head__sub {
    margin-top: 24px;
    font-size: 19px;
    font-weight: 300;
    color: rgba(255,255,255,0.92);
    line-height: 1.85;
    letter-spacing: -0.3px;
    text-shadow: 0 1px 12px rgba(0,0,0,0.5);
}

/* ================= 3. ABOUT (text + image) ================= */
.about-sec {
    padding: 100px 0 110px;
    background: var(--light-gray);
}
.about-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 70px;
    align-items: center;
    margin-top: 60px;
}
.about-text p {
    font-size: 18px;
    font-weight: 300;
    color: var(--gray-text);
    line-height: 2;
    letter-spacing: -0.3px;
    margin-bottom: 26px;
}
.about-text p:last-child {
    margin-bottom: 0;
}
.about-text .accent {
    color: var(--black);
    font-weight: 500;
}
.about-img {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}
.about-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ================= 4. TARGET CASES ================= */
.case-sec {
    padding: 110px 0;
    background: var(--light-gray);
}
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    margin-top: 64px;
    border: 1px solid #e0d5be;
    border-radius: 0;
    overflow: hidden;
}
.case-card {
    background: var(--white);
    border: none;
    border-right: 1px solid #e0d5be;
    border-bottom: 1px solid #e0d5be;
    border-radius: 0;
    padding: 52px 36px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.case-card:nth-child(3),
.case-card:nth-child(6) {
    border-right: none;
}
.case-card:nth-child(4),
.case-card:nth-child(5),
.case-card:nth-child(6) {
    border-bottom: none;
}
.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.09);
    z-index: 1;
}
/* CASE 번호 텍스트 - 단색 골드 #c9a661 */
.case-card__no {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2.5px;
    color: #c9a661;
    background: none;
    -webkit-text-fill-color: #c9a661;
    margin-bottom: 26px;
}
/* 블랙 원형 아이콘 컨테이너 */
.case-card__icon {
    width: 76px;
    height: 76px;
    margin: 0 auto 26px;
    background: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.case-card__icon svg {
    width: 38px;
    height: 38px;
}
.case-card__text {
    font-size: 17px;
    font-weight: 400;
    color: var(--black);
    line-height: 1.75;
    letter-spacing: -0.3px;
}

/* ================= 5. DEVICE (GriMii) ================= */
.device-sec {
    padding: 110px 0 120px;
    background: var(--white);
}
.device-headline {
    text-align: center;
    margin-bottom: 70px;
}
/* device-headline 안의 sec-title은 텍스트 좌측정렬 아닌 중앙 유지 */
.device-headline .sec-title {
    text-align: center;
}
/* 그리미 섹션 제목 스타일 */
.device-headline .device-main-title {
    font-size: 42px;
    font-weight: 200;
    color: var(--black);
    text-align: center;
    line-height: 1.35;
    letter-spacing: -0.5px;
}
.device-headline .device-main-title .gold-text {
    font-weight: 800;
}
.device-headline .device-sub-desc {
    margin-top: 20px;
    font-size: 18px;
    font-weight: 300;
    color: var(--gray-text);
    text-align: center;
    line-height: 1.9;
    letter-spacing: -0.3px;
}
/* 왼쪽 텍스트 / 오른쪽 이미지 */
.device-grid {
    display: flex;
    flex-direction: row;
    gap: 60px;
    align-items: flex-start;
    justify-content: space-between;
}
/* 기기 사진 박스: 패딩 없음, 400×550px 고정 */
.device-visual {
    position: relative;
    background: var(--light-gray);
    border-radius: 16px;
    border: 1px solid var(--gray-line);
    padding: 0;
    width: 400px;
    height: 550px;
    flex-shrink: 0;
    overflow: hidden;
    box-shadow: 0 18px 45px rgba(0,0,0,0.08);
}
.device-visual__main {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: var(--light-gray);
}
/* 노즐 확대컷: 오른쪽 하단 절대배치, 흰 원형 */
.device-nozzle {
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
/* '일회용 노즐 사용' 텍스트 — 이미지 위 */
.device-nozzle__label {
    order: -1; /* 텍스트를 이미지 위로 */
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: #c9a661;
    text-align: center;
    background: rgba(255,255,255,0.9);
    border-radius: 20px;
    padding: 5px 12px;
    white-space: nowrap;
}
/* 흰 동그라미 안에 노즐 이미지 */
.device-nozzle__circle {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid #e0d5be;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 22px rgba(0,0,0,0.15);
    overflow: hidden;
}
.device-nozzle__circle img {
    width: 72px;
    height: 72px;
    object-fit: contain;
}
/* device-info 너비 유동 */
.device-info {
    flex: 1;
    min-width: 0;
}
.device-info .device-info__lead {
    font-size: 18px;
    font-weight: 300;
    color: var(--gray-text);
    line-height: 2;
    letter-spacing: -0.3px;
    margin-bottom: 38px;
}
.device-info__lead .accent {
    color: var(--black);
    font-weight: 500;
}

/* WHY GriMii 리스트 */
.why-box {
    background: var(--white);
    border: 1px solid var(--gray-line);
    border-radius: 14px;
    padding: 38px 40px;
}
.why-box__title {
    font-size: 22px;
    font-weight: 200;
    color: var(--black);
    margin-bottom: 26px;
    letter-spacing: -0.5px;
}
.why-box__title b {
    font-weight: 800;
}
.why-list li {
    position: relative;
    padding-left: 34px;
    font-size: 16px;
    font-weight: 300;
    color: var(--gray-text);
    line-height: 1.75;
    letter-spacing: -0.3px;
    margin-bottom: 18px;
}
.why-list li:last-child {
    margin-bottom: 0;
}
.why-list li .check {
    position: absolute;
    left: 0;
    top: 3px;
    width: 20px;
    height: 20px;
}
.why-list li .check svg { width: 100%; height: 100%; }

/* ================= Scroll reveal ================= */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================================================
   RESPONSIVE
=================================================================== */
@media (max-width: 1280px) {
    .sec-title { font-size: 36px; }
}
@media (max-width: 1024px) {
    .head { height: 460px; }
    .head__title { font-size: 44px; }
    .about-grid { grid-template-columns: 1fr; gap: 44px; }
    .about-img { max-height: 420px; }
    /* device: 1024px 이하에서 세로 스택 */
    .device-grid {
        flex-direction: column;
        gap: 44px;
    }
    .device-grid .device-info { order: 1; }
    .device-grid .device-visual { order: 2; width: 100%; max-width: 400px; height: 480px; margin: 0 auto; }
    .case-grid { grid-template-columns: repeat(2, 1fr); }
    .case-card:nth-child(3) { border-right: 1px solid #e0d5be; }
    .case-card:nth-child(2) { border-right: none; }
    .case-card:nth-child(3),
    .case-card:nth-child(4) { border-bottom: 1px solid #e0d5be; }
    .case-card:nth-child(5),
    .case-card:nth-child(6) { border-bottom: none; }
    .video-sec,
    .about-sec,
    .case-sec,
    .device-sec { padding: 80px 0; }
}
@media (max-width: 768px) {
    .container { padding: 0 22px; }
    .head { height: 380px; }
    .head__title { font-size: 32px; }
    .head__sub { font-size: 16px; margin-top: 18px; }
    .sec-title { font-size: 28px; }
    .device-headline .device-main-title { font-size: 28px; }
    .sec-desc { font-size: 16px; margin-top: 20px; }
    .case-grid { grid-template-columns: 1fr; }
    .case-card { border-right: none !important; }
    .case-card:not(:last-child) { border-bottom: 1px solid #e0d5be !important; }
    .about-text p,
    .device-info .device-info__lead { font-size: 16px; }
    .device-visual { width: 100% !important; max-width: 100% !important; height: 380px; }
    .device-nozzle { width: 100px; right: 12px; bottom: 12px; }
    .device-nozzle__circle { width: 86px; height: 86px; }
    .device-nozzle__circle img { width: 54px; height: 54px; }
    .why-box { padding: 30px 26px; }
    .video-sec,
    .about-sec,
    .case-sec,
    .device-sec { padding: 64px 0; }
}
@media (max-width: 480px) {
    .head__title { font-size: 26px; }
    .sec-title { font-size: 24px; }
    .device-headline .device-main-title { font-size: 24px; }
    .case-card { padding: 40px 28px; }
}