/* =========================================================
   LAVOISIER R&D COMPANY PAGE
   Main : #0B3566
   Sub  : #C9DCF3
========================================================= */

:root {
    --lav-main: #0B3566;
    --lav-main-dark: #062544;
    --lav-main-light: #164b80;
    --lav-sub: #C9DCF3;
    --lav-bg: #f5f8fc;
    --lav-white: #ffffff;
    --lav-text: #17283b;
    --lav-gray: #657487;
    --lav-border: #e3ebf3;
}


/* =========================================================
   COMMON
========================================================= */

.lav-company {
    width: 100%;
    overflow: hidden;
    color: var(--lav-text);
    background: #fff;
    font-family:
        "Pretendard",
        "Noto Sans KR",
        "Apple SD Gothic Neo",
        sans-serif;
}

.lav-company *,
.lav-company *::before,
.lav-company *::after {
    box-sizing: border-box;
}

.lav-company img {
    display: block;
    width: 100%;
    max-width: 100%;
}

.lav-section {
    width: min(1280px, calc(100% - 80px));
    margin: 0 auto;
    padding: 130px 0;
}


/* =========================================================
   SCROLL ANIMATION
========================================================= */

.lav-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition:
        opacity .9s ease,
        transform .9s cubic-bezier(.22, 1, .36, 1);
}

.lav-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}


/* =========================================================
   HERO
========================================================= */

.lav-hero {
    position: relative;
    width: 100%;
    height: min(680px, 42vw);
    min-height: 500px;
    overflow: hidden;
    background: var(--lav-main-dark);
}

.lav-hero-image {
    position: absolute;
    inset: 0;
}

.lav-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    animation: lavHeroZoom 10s ease-out forwards;
}

@keyframes lavHeroZoom {

    from {
        transform: scale(1.08);
    }

    to {
        transform: scale(1);
    }

}

.lav-hero-overlay {
    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(4, 25, 46, .82) 0%,
            rgba(7, 38, 69, .58) 40%,
            rgba(7, 38, 69, .15) 100%
        );
}

.lav-hero-content {
    position: absolute;
    top: 50%;
    left: max(40px, calc((100% - 1280px) / 2));
    transform: translateY(-50%);
    color: #fff;
}

.lav-eyebrow {
    display: inline-block;
    margin-bottom: 24px;
    padding: 9px 18px;

    border: 1px solid rgba(255,255,255,.4);
    border-radius: 50px;

    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
}

.lav-hero-content h1 {
    margin: 0;
    font-size: clamp(42px, 5vw, 76px);
    line-height: 1.05;
    font-weight: 300;
    letter-spacing: -2px;
}

.lav-hero-content h1 strong {
    color: var(--lav-sub);
    font-weight: 700;
}

.lav-hero-content p {
    margin: 28px 0 0;
    font-size: clamp(18px, 1.5vw, 25px);
    font-weight: 400;
    letter-spacing: -0.5px;
}


/* =========================================================
   SECTION HEADER
========================================================= */

.lav-section-head {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 65px;
}

.lav-section-number {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 52px;
    height: 52px;

    flex: 0 0 52px;

    border-radius: 50%;

    background: var(--lav-main);
    color: #fff;

    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
}

.lav-small-title {
    display: block;
    margin-bottom: 12px;

    color: var(--lav-main);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.5px;
}

.lav-section-head h2 {
    margin: 0;

    color: #14283d;

    font-size: clamp(34px, 4vw, 54px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -2px;
}

.lav-section-head h2 span {
    color: var(--lav-main);
}


/* =========================================================
   INTRO
========================================================= */

.lav-intro-box {
    position: relative;

    padding: 70px 80px;

    border-radius: 28px;

    background:
        linear-gradient(
            135deg,
            #eef5fc 0%,
            #f9fbfd 100%
        );

    border: 1px solid #e0eaf4;

    overflow: hidden;
}

.lav-intro-box::before {
    content: "H₂";

    position: absolute;
    right: 40px;
    bottom: -50px;

    color: rgba(11,53,102,.045);

    font-size: 240px;
    font-weight: 800;
    line-height: 1;
}

.lav-intro-label {
    display: flex;
    align-items: center;
    gap: 15px;

    margin-bottom: 24px;

    color: var(--lav-main);

    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
}

.lav-intro-label i {
    width: 45px;
    height: 1px;
    background: var(--lav-main);
}

.lav-intro-box h3 {
    position: relative;
    z-index: 1;

    margin: 0 0 30px;

    font-size: clamp(30px, 3.5vw, 50px);
    line-height: 1.3;
    letter-spacing: -2px;
    font-weight: 700;
}

.lav-intro-box h3 em {
    color: var(--lav-main);
    font-style: normal;
}

.lav-intro-box p {
    position: relative;
    z-index: 1;

    max-width: 950px;

    margin: 0;

    color: #506174;

    font-size: 17px;
    line-height: 2;
    letter-spacing: -0.4px;
}

.lav-intro-box p strong {
    color: var(--lav-main);
    font-weight: 700;
}


/* =========================================================
   INTRO TEXT
========================================================= */

.lav-intro-text {
    max-width: 1050px;

    margin: 65px auto 0;
}

.lav-intro-text p {
    margin: 0 0 27px;

    color: #4f6071;

    font-size: 17px;
    line-height: 2.05;
    letter-spacing: -0.4px;
}

.lav-intro-text p:last-child {
    margin-bottom: 0;
}

.lav-intro-text strong {
    color: var(--lav-main);
    font-weight: 700;
}


/* =========================================================
   CORE MESSAGE
========================================================= */

.lav-core {
    position: relative;

    margin-top: 100px;

    min-height: 490px;

    border-radius: 30px;

    overflow: hidden;

    background:
        linear-gradient(
            120deg,
            #061d35 0%,
            #0b3566 55%,
            #164c7f 100%
        );

    color: #fff;
}

.lav-core-bg {
    position: absolute;
    inset: 0;

    background-image:
        radial-gradient(
            circle at 80% 30%,
            rgba(201,220,243,.22),
            transparent 30%
        ),
        radial-gradient(
            circle at 20% 80%,
            rgba(201,220,243,.13),
            transparent 28%
        );

    opacity: .9;
}

.lav-core::after {
    content: "H₂";

    position: absolute;

    right: 60px;
    bottom: -80px;

    font-size: 320px;
    font-weight: 800;

    color: rgba(255,255,255,.035);
}

.lav-core-content {
    position: relative;
    z-index: 2;

    max-width: 900px;

    padding: 80px;
}

.lav-core-label {
    display: inline-block;

    margin-bottom: 25px;

    color: var(--lav-sub);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
}

.lav-core h3 {
    margin: 0 0 25px;

    font-size: clamp(30px, 4vw, 52px);
    line-height: 1.3;
    letter-spacing: -2px;
}

.lav-core h3 strong {
    color: var(--lav-sub);
}

.lav-core p {
    margin: 0;

    color: rgba(255,255,255,.72);

    font-size: 16px;
    line-height: 1.8;
}

.lav-core-quote {
    display: flex;
    flex-direction: column;
    gap: 9px;

    margin-top: 35px;
    padding-left: 20px;

    border-left: 2px solid var(--lav-sub);

    color: #fff;

    font-size: 17px;
    line-height: 1.7;
    font-weight: 500;
}


/* =========================================================
   TECHNOLOGY
========================================================= */

.lav-tech {
    padding-bottom: 100px;
}

.lav-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
}

.lav-image-card {
    overflow: hidden;

    border-radius: 22px;

    background: #fff;

    border: 1px solid var(--lav-border);

    box-shadow:
        0 15px 45px rgba(11,53,102,.07);

    transition:
        transform .45s ease,
        box-shadow .45s ease;
}

.lav-image-card:hover {
    transform: translateY(-10px);

    box-shadow:
        0 25px 60px rgba(11,53,102,.15);
}

.lav-card-image {
    position: relative;

    height: 330px;

    overflow: hidden;

    background: #eaf1f8;
}

.lav-card-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition: transform .7s cubic-bezier(.22,1,.36,1);
}

.lav-image-card:hover .lav-card-image img {
    transform: scale(1.06);
}

.lav-image-number {
    position: absolute;

    top: 20px;
    left: 20px;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 44px;
    height: 44px;

    border-radius: 50%;

    background: rgba(11,53,102,.9);

    color: #fff;

    font-size: 12px;
    font-weight: 700;
}

.lav-card-info {
    padding: 30px 32px 34px;
}

.lav-card-info > span {
    color: var(--lav-main);

    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.8px;
}

.lav-card-info h3 {
    margin: 10px 0 10px;

    color: #152b42;

    font-size: 24px;
    font-weight: 700;
    letter-spacing: -1px;
}

.lav-card-info p {
    margin: 0;

    color: #708091;

    font-size: 14px;
    line-height: 1.7;
}


/* =========================================================
   CERTIFICATION
========================================================= */

.lav-cert {
    width: 100%;
    max-width: none;

    padding-left: max(40px, calc((100% - 1280px) / 2));
    padding-right: max(40px, calc((100% - 1280px) / 2));

    background: var(--lav-bg);
}

.lav-cert-desc {
    margin: -25px 0 55px;

    color: #697b8e;

    font-size: 16px;
    line-height: 1.8;
}

.lav-cert-grid {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 25px;
}

.lav-cert-card {
    background: #fff;

    border: 1px solid #e3ebf3;

    border-radius: 18px;

    overflow: hidden;

    transition:
        transform .4s ease,
        box-shadow .4s ease;
}

.lav-cert-card:hover {
    transform: translateY(-8px);

    box-shadow:
        0 20px 50px rgba(11,53,102,.12);
}

.lav-cert-image {
    position: relative;

    width: 100%;

    aspect-ratio: 1 / 1.38;

    overflow: hidden;

    background: #eef3f8;
}

.lav-cert-image img {
    width: 100%;
    height: 100%;

    object-fit: contain;

    padding: 15px;

    transition: transform .5s ease;
}

.lav-cert-card:hover .lav-cert-image img {
    transform: scale(1.04);
}

.lav-cert-title {
    display: flex;
    align-items: center;
    gap: 12px;

    padding: 20px;
}

.lav-cert-title span {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 30px;
    height: 30px;

    flex: 0 0 30px;

    border-radius: 50%;

    background: var(--lav-main);

    color: #fff;

    font-size: 10px;
    font-weight: 700;
}

.lav-cert-title h3 {
    margin: 0;

    color: #1a2d42;

    font-size: 15px;
    font-weight: 700;
}


/* =========================================================
   BOTTOM
========================================================= */

.lav-bottom {
    position: relative;

    padding: 120px 40px;

    text-align: center;

    background:
        linear-gradient(
            135deg,
            #061d35,
            #0B3566
        );

    color: #fff;

    overflow: hidden;
}

.lav-bottom::before {
    content: "";

    position: absolute;

    width: 500px;
    height: 500px;

    left: 50%;
    top: 50%;

    transform: translate(-50%, -50%);

    border-radius: 50%;

    background: rgba(201,220,243,.07);

    filter: blur(10px);
}

.lav-bottom-inner {
    position: relative;
    z-index: 2;
}

.lav-bottom-label {
    display: block;

    margin-bottom: 25px;

    color: var(--lav-sub);

    font-size: 11px;
    font-weight: 800;
    letter-spacing: 3px;
}

.lav-bottom h2 {
    margin: 0;

    font-size: clamp(38px, 5vw, 70px);

    line-height: 1.1;

    letter-spacing: -2px;

    font-weight: 300;
}

.lav-bottom h2 strong {
    color: var(--lav-sub);
}

.lav-bottom p {
    margin: 30px 0 0;

    color: rgba(255,255,255,.7);

    font-size: 17px;
    line-height: 1.8;
}


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 1100px) {

    .lav-section {
        width: calc(100% - 60px);
        padding: 100px 0;
    }

    .lav-cert {
        width: 100%;
        padding-left: 30px;
        padding-right: 30px;
    }

    .lav-cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 767px) {

    .lav-section {
        width: calc(100% - 36px);

        padding: 75px 0;
    }


    /* HERO */

    .lav-hero {
        height: 600px;
        min-height: 0;
    }

    .lav-hero-image img {
        object-position: center;
    }

    .lav-hero-overlay {
        background:
            linear-gradient(
                180deg,
                rgba(4,25,46,.25),
                rgba(4,25,46,.88)
            );
    }

    .lav-hero-content {
        left: 25px;
        right: 25px;
        top: auto;
        bottom: 70px;

        transform: none;
    }

    .lav-eyebrow {
        margin-bottom: 18px;

        padding: 7px 14px;

        font-size: 10px;
    }

    .lav-hero-content h1 {
        font-size: 42px;

        letter-spacing: -1.5px;
    }

    .lav-hero-content p {
        margin-top: 20px;

        font-size: 17px;
        line-height: 1.6;
    }


    /* SECTION HEADER */

    .lav-section-head {
        gap: 16px;

        margin-bottom: 40px;
    }

    .lav-section-number {
        width: 42px;
        height: 42px;

        flex: 0 0 42px;

        font-size: 11px;
    }

    .lav-small-title {
        margin-bottom: 8px;

        font-size: 9px;

        letter-spacing: 1.5px;
    }

    .lav-section-head h2 {
        font-size: 32px;

        letter-spacing: -1.5px;
    }


    /* INTRO */

    .lav-intro-box {
        padding: 40px 25px;

        border-radius: 20px;
    }

    .lav-intro-box::before {
        right: -10px;
        bottom: -20px;

        font-size: 150px;
    }

    .lav-intro-box h3 {
        font-size: 30px;

        letter-spacing: -1.5px;
    }

    .lav-intro-box p {
        font-size: 15px;
        line-height: 1.9;
    }

    .lav-intro-text {
        margin-top: 40px;
    }

    .lav-intro-text p {
        font-size: 15px;
        line-height: 1.9;
    }


    /* CORE */

    .lav-core {
        margin-top: 65px;

        min-height: auto;

        border-radius: 20px;
    }

    .lav-core-content {
        padding: 45px 25px;
    }

    .lav-core h3 {
        font-size: 29px;

        letter-spacing: -1.5px;
    }

    .lav-core p {
        font-size: 14px;
    }

    .lav-core-quote {
        margin-top: 25px;
        padding-left: 15px;

        font-size: 14px;
    }

    .lav-core::after {
        right: -20px;
        bottom: -40px;

        font-size: 190px;
    }


    /* TECHNOLOGY */

    .lav-image-grid {
        grid-template-columns: 1fr;

        gap: 22px;
    }

    .lav-card-image {
        height: 260px;
    }

    .lav-card-info {
        padding: 25px;
    }

    .lav-card-info h3 {
        font-size: 21px;
    }

    .lav-card-info p {
        font-size: 13px;
    }


    /* CERT */

    .lav-cert {
        width: 100%;

        padding-left: 18px;
        padding-right: 18px;
    }

    .lav-cert-desc {
        margin: -15px 0 35px;

        font-size: 14px;
    }

    .lav-cert-grid {
        grid-template-columns: 1fr;

        gap: 18px;
    }

    .lav-cert-card {
        border-radius: 15px;
    }

    .lav-cert-image {
        aspect-ratio: 1 / 1.25;
    }

    .lav-cert-title {
        padding: 16px;
    }

    .lav-cert-title h3 {
        font-size: 14px;
    }


    /* BOTTOM */

    .lav-bottom {
        padding: 80px 25px;
    }

    .lav-bottom h2 {
        font-size: 40px;

        letter-spacing: -1.5px;
    }

    .lav-bottom p {
        font-size: 14px;
    }

}


/* =========================================================
   SMALL MOBILE
========================================================= */

@media (max-width: 400px) {

    .lav-hero {
        height: 540px;
    }

    .lav-hero-content h1 {
        font-size: 35px;
    }

    .lav-section-head h2 {
        font-size: 28px;
    }

    .lav-intro-box h3 {
        font-size: 27px;
    }

}



/* =========================================
   LAVOISIER R&D - PATENT GRID
   03 인증 및 등록과 동일한 카드 크기/간격
   기존 lavoisier_company.css 뒤에 로드하세요.
========================================= */

.lav-patent {
    box-sizing: border-box;
    width: 100%;
    padding: 0 22px;
}

.lav-patent *,
.lav-patent *::before,
.lav-patent *::after {
    box-sizing: border-box;
}

/* 03 섹션과 동일한 4열 그리드 */
.lav-patent .lav-patent-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px 24px;
    width: 100%;
    align-items: stretch;
}

/* 카드 전체 크기 및 모양 */
.lav-patent .lav-patent-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
    padding: 0;
    background: #fff;
    border: 1px solid #dce6f1;
    border-radius: 17px;
    box-shadow: none;
    transition: box-shadow .25s ease, transform .25s ease;
}

.lav-patent .lav-patent-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(11, 53, 102, .08);
}

/* 이미지 영역: 03 인증 카드와 높이를 통일 */
.lav-patent .lav-patent-image {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    flex: 0 0 332px;
    width: 100%;
    height: 332px;
    min-height: 332px;
    padding: 16px;
    overflow: hidden;
    background: #edf3f9;
    border: 0;
    border-radius: 0;
}

.lav-patent .lav-patent-image img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center top;
    margin: 0;
    padding: 0;
    border: 0;
}

/* 하단 번호/특허명 영역: 03과 동일하게 흰색 바 */
.lav-patent .lav-patent-title {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 12px;
    width: 100%;
    min-height: 70px;
    margin: 0;
    padding: 15px 20px;
    background: #fff;
    border-top: 1px solid #e6edf5;
}

.lav-patent .lav-patent-title > span {
    display: inline-flex;
    flex: 0 0 31px;
    align-items: center;