/* ============================================
   #promotion-section: sanggong.co.kr Landing Promotion 스타일
   - 세로 스택: 한 줄에 카드 1개, width 100%, height 350px
   - 8개 카드 (Business 4 + Solution 4)
   ============================================ */

.sr-only-anchor {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

#promotion-section.promo-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    background: #ffffff;
}

/* sanggong.ai 스타일: 상단 우측 장식 (연한 청록·보라 원형) */
#promotion-section.promo-section::before {
    content: "";
    position: absolute;
    top: 10%;
    right: 5%;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(0, 206, 209, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

#promotion-section.promo-section::after {
    content: "";
    position: absolute;
    top: 25%;
    right: 12%;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(255, 153, 96, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.promo-section__header {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: clamp(4rem, 11vw, 14rem) 24px clamp(4rem, 11vw, 5rem);
    background: #ffffff;
}

.promo-section__title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: clamp(2rem, 5vw, 5rem);
    font-weight: 800;
    color: #000;
    margin: 0 0 2.5rem;
    letter-spacing: 0.02em;
}

.promo-section__description {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 1.5rem;
    color: var(--color-gray-1);
    margin: 0;
    line-height: 1.7;
}

.promo-section__description--accent {
    color: var(--color-main);
}

/* ===== 세로 스택 카드: sanggong.ai AI SERVICE 동일 스타일 ===== */
.promo-cards-container.promo-service-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(24px, 5vw, 80px) clamp(4rem, 10vw, 8rem);
    gap: clamp(3rem, 6vw, 5rem);
}

.promo-service-contents {
    display: flex;
    flex-direction: column;
    gap: clamp(3rem, 6vw, 5rem);
}

.promo-service-content {
    width: 100%;
    min-width: 0;
    min-height: 1px;
}

/* ===== sanggong.ai AI SERVICE 카드 스타일 (첨부 1 기준) ===== */
/* 외곽선 없음, 화면 밖: 작은 크기, 배경 없음, 내용 어두움 */
.promo-service-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    min-width: 0;
    min-height: 530px;
    background: transparent;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    transform: scale(0.97);
    transform-origin: center center;
    border: none;
    box-shadow: none;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                background 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 화면에 보일 때: 카드 앞으로 나오듯, 흰 배경, 부드러운 보라 빛 그림자(외곽선 없음) */
.promo-service-content.is-visible .promo-service-card {
    transform: scale(1);
    background: #fff;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.14),
                0 12px 36px rgba(0, 0, 0, 0.1),
                0 0 48px -12px rgba(255, 153, 96, 0.2);
}

/* 화면 밖: 카드 작아지면서 원래대로 */
.promo-service-content:not(.is-visible) .promo-service-card {
    transform: scale(0.97);
    background: transparent;
    box-shadow: none;
}

.promo-service-content .promo-service-card__left,
.promo-service-content .promo-service-card__right {
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                filter 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.promo-service-content:not(.is-visible) .promo-service-card__left,
.promo-service-content:not(.is-visible) .promo-service-card__right {
    opacity: 0.6;
    filter: saturate(0.65) brightness(0.92);
}

.promo-service-content.is-visible .promo-service-card__left,
.promo-service-content.is-visible .promo-service-card__right {
    opacity: 1;
    filter: none;
}

.promo-service-card__left {
    min-width: 0;
    padding: clamp(2rem, 4vw, 3.5rem) clamp(2rem, 4vw, 3rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.promo-service-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-main) 0%, var(--color-main) 100%);
    border-radius: 50%;
    color: #fff;
    margin-bottom: 1.25rem;
}

.promo-service-card__icon svg {
    width: 22px;
    height: 22px;
    stroke-width: 3;
}

.promo-service-card__title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: #000;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.promo-service-card__subtitle {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 1.125rem;
    color: var(--color-gray-2);
    margin: 0 0 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-gray-4);
    line-height: 1.5;
}

.promo-service-card__features {
    list-style: none;
    margin: 0 0 1.75rem;
    padding: 0;
}

.promo-service-card__features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 0.9375rem;
    color: var(--color-gray-1);
    line-height: 1.6;
}

.promo-service-card__features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.4em;
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E"),
                      linear-gradient(135deg, var(--color-main) 0%, var(--color-main) 100%);
    background-size: 12px 12px, 18px 18px;
    background-position: center;
    background-repeat: no-repeat;
}

.promo-service-card__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 14px 28px;
    background: linear-gradient(90deg, var(--color-main) 0%, var(--color-point) 100%);
    color: #fff;
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    width: fit-content;
}

.promo-service-card__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 206, 209, 0.35);
}

.promo-service-card__right {
    min-width: 0;
    padding: clamp(1.5rem, 3vw, 2rem);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* ===== 결과 UI (첨부 이미지 스타일) ===== */
.promo-result-ui {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* 순차 등장 애니메이션: 제목 → 바 → (100% 시) 아이템들 */
.promo-service-content.is-visible .promo-result-ui__title {
    animation: promo-slide-up 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.promo-service-content.is-visible .promo-animation-bar {
    opacity: 0;
    animation: promo-slide-up 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}

.promo-result-ui__list .promo-result-ui__item {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.promo-result-ui.is-complete .promo-result-ui__list .promo-result-ui__item:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0s; }
.promo-result-ui.is-complete .promo-result-ui__list .promo-result-ui__item:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.15s; }
.promo-result-ui.is-complete .promo-result-ui__list .promo-result-ui__item:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }
.promo-result-ui.is-complete .promo-result-ui__list .promo-result-ui__item:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.45s; }
.promo-result-ui.is-complete .promo-result-ui__list .promo-result-ui__item:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.6s; }

@keyframes promo-slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.promo-result-ui__title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #000;
    margin: 0 0 0.75rem;
    opacity: 0;
}

.promo-service-content:not(.is-visible) .promo-result-ui__title,
.promo-service-content:not(.is-visible) .promo-animation-bar {
    opacity: 0;
    animation: none;
}

.promo-service-content:not(.is-visible) .promo-result-ui.is-complete .promo-result-ui__list .promo-result-ui__item {
    opacity: 0;
    transform: translateY(16px);
    transition-delay: 0s;
}

/* 애니메이션 바: list 위에 떠 있는 형태, 그라데이션 테두리
   위치 조절: 아래 변수만 수정하면 됨
   - align: flex-start(왼쪽) | center(가운데) | flex-end(오른쪽)
   - margin-left/right: auto 또는 0 또는 px값
   - margin-bottom: list와의 간격 (음수면 겹침)
   - margin-top: 제목과의 간격 */
.promo-animation-bar {
    --promo-bar-align: flex-end;
    --promo-bar-margin-left: auto;
    --promo-bar-margin-right: 0;
    --promo-bar-margin-bottom: -0.5rem;
    --promo-bar-margin-top: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    align-self: var(--promo-bar-align);
    margin-left: var(--promo-bar-margin-left);
    margin-right: var(--promo-bar-margin-right);
    margin-bottom: var(--promo-bar-margin-bottom);
    margin-top: var(--promo-bar-margin-top);
    padding: 10px 18px;
    background: linear-gradient(#fff, #fff) padding-box,
                linear-gradient(90deg, var(--color-main) 0%, var(--color-sub-alt) 40%, var(--color-point) 100%) border-box;
    border: 2px solid transparent;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 1;
}

.promo-animation-bar__icon {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-main);
    border-top-color: transparent;
    border-radius: 50%;
    flex-shrink: 0;
    animation: promo-spin 1s linear infinite;
}

.promo-animation-bar__text {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-main);
}

.promo-animation-bar__percent {
    font-style: normal;
    font-weight: 700;
    color: var(--color-main);
}

@keyframes promo-spin {
    to { transform: rotate(360deg); }
}

/* 결과 리스트: 가로 길이 제한, 카드형 아이템 */
.promo-result-ui__list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.promo-result-ui__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 16px;
    border: 1px solid var(--color-gray-4);
    border-radius: 10px;
}

.promo-result-ui__item--full {
    justify-content: flex-start;
}

.promo-result-ui__item--full .promo-result-ui__label {
    font-weight: 500;
}

.promo-result-ui__label {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 1.12rem;
    color: var(--color-dark);
}

.promo-result-ui__status {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 1rem;
    font-weight: 600;
    padding: 7px 15px;
    border-radius: 20px;
}

.promo-result-ui__status--normal,
.promo-result-ui__status--complete {
    background: var(--color-main);
    color: #fff;
}

.promo-result-ui__status--normal,
.promo-result-ui__status--monitor,
.promo-result-ui__status--check {
    min-width: 2em;
    text-align: center;
}

.promo-result-ui__status--active {
    background: rgba(0, 206, 209, 0.15);
    color: var(--color-main);
}

.promo-result-ui__status--monitor {
    background: rgba(255, 153, 96, 0.15);
    color: var(--color-point);
}

.promo-result-ui__status--check {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-sub);
}

.promo-result-ui__status--match,
.promo-result-ui__status--recommend {
    background: var(--color-main);
    color: #fff;
}

/* ===== 반응형 ===== */
@media (max-width: 1024px) {
    .promo-service-card {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        min-height: auto;
    }

    .promo-service-card__left {
        padding: 2rem 1.5rem;
    }

    .promo-service-card__right {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .promo-cards-container.promo-service-wrapper {
        padding: 0 1.5rem 4rem;
    }

    .promo-service-card {
        border-radius: 16px;
    }

    .promo-service-card__features li {
        font-size: 0.875rem;
    }
}

@media (max-width: 640px) {
    .promo-result-ui__item {
        padding: 12px 14px;
    }

    .promo-animation-bar {
        padding: 8px 14px;
        align-self: center;
    }

    .promo-animation-bar__text {
        font-size: 0.75rem;
    }
}