/* =========================================================
   햇바람발전소 제품소개 (헤더/푸터 제외)
   공용 프리미티브(.hb-inner/.hb-eyebrow/.hb-sec-title/.hb-sec-head/.hb-sec-desc)는
   app_www/base/css/style.css 사용. 여기는 제품소개 전용 레이아웃만.
   반응형: 375px ~ 폴드 펼침 이상
   ========================================================= */

.pr-main {
    color: #16222a;
    background: #fff;
}

.pr-main * {
    box-sizing: border-box;
}

.pr-main>section {
    padding-left: clamp(20px, 5vw, 80px);
    padding-right: clamp(20px, 5vw, 80px);
}

/* =========================================================
   1. HERO  (min-height + padding, 추후 배경이미지)
   ========================================================= */
.pr-main .pr-hero {
    display: flex;
    background: url(/static/app_www/main/img/cm08177973.jpg) no-repeat center/cover;
    padding: 0;
}

.pr-hero__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: clamp(340px, 40vw, 445px);
    padding-top: clamp(64px, 10vw, 102px);
    padding-bottom: clamp(64px, 10vw, 102px);
    text-align: center;
    background:
        linear-gradient(180deg, rgba(40, 50, 55, .3) 0%, rgba(40, 50, 55, 0) 60%);
    width: 100%;
    /* max-width: 820px; */
    padding-left: clamp(20px, 5vw, 80px);
    padding-right: clamp(20px, 5vw, 80px);
}

.pr-hero__eyebrow {
    margin-bottom: 12px;
    font-size: clamp(12px, 1.6vw, 14px);
    font-weight: 600;
    letter-spacing: .12em;
    color: #fff;
    text-shadow: 0 1px 8px rgba(0, 0, 0, .18);
}

.pr-hero__title {
    font-size: clamp(28px, 5.4vw, 42px);
    font-weight: 800;
    line-height: 1.22;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, .22);
}

.pr-hero__chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: clamp(18px, 2.5vw, 28px);
}

.pr-hero__chips span {
    padding: 7px 15px;
    font-size: clamp(13px, 1.6vw, 14px);
    font-weight: 600;
    color: #1b3a48;
    background: #fff;
    border: 1px solid #e6eaec;
    border-radius: 30px;
}

/* =========================================================
   2. VALUE STRIP
   ========================================================= */
.pr-values {
    padding-top: 0;
    padding-bottom: 0;
    border-bottom: 1px solid #e6eaec;
    background: #fff;
}

.pr-values__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-right: 1px solid #e6eaec;
}

.pr-val {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 24px clamp(18px, 2vw, 34px);
    border-left: 1px solid #e6eaec;
}

.pr-val img {
    flex: 0 0 auto;
    display: flex;
    width: 30px;
}

.pr-val__tx b {
    display: block;
    font-size: 16px;
    font-weight: 800;
    color: #16222a;
}

.pr-val__tx p {
    margin-top: 4px;
    font-size: 14px;
    line-height: 1.3;
    color: #5f6b73;
}

/* =========================================================
   3. PRODUCT STRUCTURE
   ========================================================= */
.pr-struct {
    padding-top: clamp(56px, 9vw, 90px);
    padding-bottom: clamp(56px, 9vw, 90px);
    background: #fff;
}

.pr-struct__wrap {
    display: flex;
    gap: clamp(40px, 6vw, 80px);
    align-items: center;
}

.pr-struct__copy {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 4vw, 40px);
}

.pr-struct__copy .hb-sec-head {
    margin-bottom: 0;
}

.pr-legend {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pr-legend li {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: clamp(13px, 1.6vw, 14px);
    font-weight: 600;
    line-height: 1.45;
    color: #16222a;
}

.pr-legend__no {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 800;
    color: #fff;
}

.pr-legend__no--1 {
    background: #1b3a48;
}

.pr-legend__no--2 {
    background: #4f8a3f;
}

.pr-legend__no--3 {
    background: #e3a23a;
}

.pr-legend__no--4 {
    background: #27556a;
}

.pr-catalog {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    padding: 14px 27px;
    font-size: 15px;
    font-weight: 700;
    color: #1b3a48;
    border: 1px solid #1b3a48;
    border-radius: 8px;
    transition: background-color .15s ease, color .15s ease;
}

.pr-catalog:hover {
    background: #1b3a48;
    color: #fff;
}

.pr-struct__fig {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(18px, 2.5vw, 28px);
    border: 1px solid #e6eaec;
    border-radius: 16px;
    background: radial-gradient(120% 120% at 70% 10%, #fbfcfc 0%, #eef3f1 100%);
}

.pr-struct__fig img {
    width: auto;
    max-width: 100%;
    max-height: 460px;
    display: block;
}

/* =========================================================
   4. LEVITATION (다크)
   ========================================================= */
.pr-lev {
    padding-top: clamp(56px, 9vw, 90px);
    padding-bottom: clamp(56px, 9vw, 90px);
    background: radial-gradient(120% 130% at 12% 18%, #27556a 0%, #1f4454 28%, #16323e 55%, #0c2129 100%);
}

.pr-lev__wrap {
    display: flex;
    gap: clamp(36px, 5vw, 80px);
    align-items: center;
}

.pr-lev__text {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.pr-lev__head .hb-sec-title {
    margin: 12px 0;
}

.pr-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.pr-chips span {
    padding: 7px 15px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 30px;
}

.pr-lev__fig {
    flex: 1 1 0;
    min-width: 0;
    /* padding: 21px; */
    /* background: rgba(255, 255, 255, .03); */
    /* border: 1px solid rgba(255, 255, 255, .12); */
    /* border-radius: 18px; */
    display: flex;
}

.pr-lev__fig img {
    width: 100%;
    display: block;
}

/* =========================================================
   5. REASONS
   ========================================================= */
.pr-reasons {
    padding-top: clamp(56px, 9vw, 90px);
    padding-bottom: clamp(56px, 9vw, 90px);
    background: #f4f7f6;
}

.pr-reasons__wrap {
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 4vw, 40px);
}

.pr-reasons__wrap .hb-sec-head {
    margin-bottom: 0;
}

.pr-why {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.pr-why__card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 31px 29px;
    background: #fff;
    border: 1px solid #e6eaec;
    border-radius: 18px;
}

.pr-why__ic {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    font-size: 22px;
    color: #fff;
    padding: 12px;
}

.pr-why__ic--navy {
    background: linear-gradient(135deg, #1b3a48 0%, #27556a 100%);
}

.pr-why__ic--green {
    background: linear-gradient(135deg, #4f8a3f 0%, #3f7a3a 100%);
}

.pr-why__ic--gold {
    background: linear-gradient(135deg, #e3a23a 0%, #c87f1f 100%);
}

.pr-why__ic img {
    height: 100%;
    object-fit: contain;
    object-position: center;
}


.pr-why__card h3 {
    font-size: 18px;
    font-weight: 800;
    color: #16222a;
}

.pr-why__card p {
    font-size: 16px;
    line-height: 1.4;
    color: #5a646c;
}

.pr-why__foot {
    font-size: clamp(15px, 2vw, 18px);
    font-weight: 700;
    line-height: 1.6;
    text-align: center;
    color: #1b3a48;
}

.pr-why__foot em {
    font-style: normal;
    color: #4f8a3f;
}

/* =========================================================
   6. SPECS (다크 표)
   ========================================================= */
.pr-specs {
    padding-top: clamp(56px, 9vw, 90px);
    padding-bottom: clamp(56px, 9vw, 90px);
    background: #1b3a48;
}

.pr-specs__wrap {
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 4vw, 40px);
}

.pr-specs__head {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pr-specs__titlerow {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.pr-specs__note {
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
}

.pr-spec-table {
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, .15);
}

.pr-spec-row {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, .13);
}

.pr-spec-row dt {
    font-size: clamp(15px, 1.9vw, 18px);
    font-weight: 700;
    color: #bfe3c2;
}

.pr-spec-row dd {
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0 12px;
    font-size: clamp(15px, 1.9vw, 18px);
    font-weight: 500;
    line-height: 1.4;
    color: #fff;
}

.pr-spec-row__note {
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, .6);
}

.pr-spec-row__note::before {
    content: "·";
    margin-right: 12px;
}

/* =========================================================
   7. MARKET
   ========================================================= */
.pr-market {
    padding-top: clamp(56px, 9vw, 90px);
    padding-bottom: clamp(56px, 9vw, 90px);
    background: #f4f7f6;
}

.pr-market__wrap {
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 4vw, 40px);
}

.pr-market__wrap .hb-sec-head {
    margin-bottom: 0;
}

.pr-mk__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.pr-mk__card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 25px 27px;
    background: #fff;
    border: 1px solid #e6eaec;
    border-left: 3px solid #4f8a3f;
    border-radius: 8px;
}

.pr-mk__tag {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
    color: #1b3a48;
}

.pr-mk__card p {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.35;
    color: #3c464d;
}

.pr-fields {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
}

.pr-fields__label {
    flex: 0 0 auto;
    font-size: 14px;
    font-weight: 700;
    color: #5f6b73;
}

.pr-fields__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.pr-fields__chips span {
    padding: 7px 15px;
    font-size: 14px;
    font-weight: 600;
    color: #1b3a48;
    background: #fff;
    border: 1px solid #e6eaec;
    border-radius: 30px;
}

/* =========================================================
   8. FAQ (native details)
   ========================================================= */
.pr-faq {
    padding-top: clamp(56px, 9vw, 90px);
    padding-bottom: clamp(64px, 10vw, 102px);
    background: #fff;
}

.pr-faq__head {
    text-align: center;
    margin-bottom: clamp(24px, 4vw, 38px);
}

.pr-faq__label {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #1b3a48;
}

.pr-faq__title {
    margin-top: 6px;
    font-size: clamp(22px, 3.2vw, 28px);
    font-weight: 800;
    color: #16222a;
}

.pr-faq__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pr-faq__item {
    background: #e7f2e8;
    border: 1px solid #e7f2e8;
    border-radius: 10px;
    overflow: hidden;
}

.pr-faq__item[open] {
    border-color: #4f8a3f;
}

.pr-faq__item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 20px 24px;
    cursor: pointer;
    list-style: none;
}

.pr-faq__item summary::-webkit-details-marker {
    display: none;
}

.pr-faq__q {
    display: flex;
    gap: 12px;
    align-items: baseline;
    font-size: 16px;
    font-weight: 700;
    color: #16222a;
}

.pr-faq__q b {
    flex: 0 0 auto;
    font-weight: 800;
    color: #4f8a3f;
}

.pr-faq__mark {
    flex: 0 0 auto;
    position: relative;
    width: 24px;
    height: 24px;
}

.pr-faq__mark::before {
    content: "+";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    line-height: 1;
    color: #1b3a48;
}

.pr-faq__item[open] .pr-faq__mark::before {
    content: "−";
}

.pr-faq__a {
    padding: 0 24px 22px 50px;
    font-size: 14.5px;
    line-height: 1.7;
    color: #525c63;
}

/* =========================================================
   반응형 - 태블릿/모바일 (≤ 768px)
   ========================================================= */
@media (max-width: 768px) {

    /* VALUE STRIP 2x2 */
    .pr-values__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* PRODUCT STRUCTURE 세로 적층 */
    .pr-struct__wrap {
        flex-direction: column;
        align-items: stretch;
    }

    .pr-struct__fig {
        order: -1;
    }

    .pr-struct__fig img {
        max-height: 360px;
    }

    /* LEVITATION 세로 적층 */
    .pr-lev__wrap {
        flex-direction: column;
        align-items: stretch;
    }

    .pr-lev__fig {
        max-width: 460px;
        align-self: center;
        width: 100%;
    }

    /* REASONS 1단 */
    .pr-why {
        grid-template-columns: 1fr;
    }

    /* SPECS 행: dt 위 / dd 아래 */
    .pr-spec-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    /* MARKET 1단 */
    .pr-mk__grid {
        grid-template-columns: 1fr;
    }
}

/* 아주 좁은 화면 - VALUE STRIP 1단 */
@media (max-width: 440px) {
    .pr-values__grid {
        grid-template-columns: 1fr;
        border-right: 0;
    }

    .pr-val {
        border-left: 0;
    }

    .pr-struct__fig {
        width: 100%;
        aspect-ratio: 526/469;
    }
}