@charset "UTF-8";

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeIn   { from { opacity: 0 } to { opacity: 1 } }
@keyframes scaleIn  { from { opacity: 0; transform: scale(0.88) } to { opacity: 1; transform: scale(1) } }
@keyframes leafSway {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%       { transform: translateY(-10px) rotate(3deg); }
}

/* ── Scroll Reveal ────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(44px);
    transition: opacity .75s var(--wk-ease-out), transform .75s var(--wk-ease-out);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
/* 섹션 헤더: 조금 더 크게 올라오는 효과 */
.reveal-title {
    opacity: 0;
    transform: translateY(56px);
    transition: opacity .8s var(--wk-ease-out), transform .8s var(--wk-ease-out);
}
.reveal-title.visible {
    opacity: 1;
    transform: translateY(0);
}
/* 좌우 슬라이드 변형 */
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity .75s var(--wk-ease-out), transform .75s var(--wk-ease-out);
}
.reveal-left.visible  { opacity: 1; transform: translateX(0); }
.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity .75s var(--wk-ease-out), transform .75s var(--wk-ease-out);
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ── Container ────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ══════════════════════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════════════════════ */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 8px rgba(0,0,0,.05);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
}
.nav-logo img { height: 32px; width: auto; }
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-gray-color);
    transition: color .2s;
}
.nav-links a:hover { color: var(--blue); }
.btn-nav {
    background: var(--blue);
    color: #fff;
    border: none;
    padding: .6rem 1.4rem;
    border-radius: .5rem;
    font-size: .875rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,102,255,.3);
    transition: background .3s var(--wk-ease-out),
    box-shadow .3s var(--wk-ease-out),
    transform .3s var(--wk-ease-out);
}
.btn-nav:hover {
    background: #0052cc;
    box-shadow: 0 4px 16px rgba(0,102,255,.4);
    transform: scale(1.04) translateY(-1px);
}
.btn-nav:active { transform: scale(.97) translateY(0); }

/* ══════════════════════════════════════════════════════════
   HERO SECTION
══════════════════════════════════════════════════════════ */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
            to right,
            rgba(15,23,42,.88) 0%,
            rgba(15,23,42,.75) 35%,
            rgba(15,23,42,.25) 60%,
            rgba(15,23,42,0)   80%
    );
}
@media (max-width: 768px) {
    .hero-overlay {
        background: linear-gradient(
                to bottom,
                rgba(15,23,42,.75) 0%,
                rgba(15,23,42,.55) 40%,
                rgba(15,23,42,.65) 100%
        );
    }
}
@media (max-width: 480px) {
    .hero-overlay { background: rgba(15,23,42,.62); }
}
/* 스크롤 유도 화살표 */
.scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .25rem;
    pointer-events: none;
}
.scroll-hint-label {
    font-size: .7rem;
    font-weight: 700;
    color: rgba(255,255,255,.55);
    letter-spacing: .18em;
    text-transform: uppercase;
    margin-bottom: .15rem;
}
@keyframes scrollBounce {
    0%   { opacity: 0;   transform: translateY(-6px); }
    40%  { opacity: 1;   transform: translateY(0);    }
    80%  { opacity: .3;  transform: translateY(4px);  }
    100% { opacity: 0;   transform: translateY(6px);  }
}
.scroll-arrow {
    display: block;
    width: 20px;
    height: 12px;
    animation: scrollBounce 1.6s ease-in-out infinite;
    opacity: 0;
}
.scroll-arrow:nth-child(2) { animation-delay: .22s; }
.scroll-arrow:nth-child(3) { animation-delay: .44s; }
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 560px;
    padding: 5rem 0;
    margin-left: calc((100vw - 1500px) / 2 + 20px);
}
@media (max-width: 1540px) { .hero-content { margin-left: 20px; } }
.hero-tag {
    font-size: .8rem;
    font-weight: 700;
    color: var(--main-color-eco);
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
}
.hero-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 1.2rem;
}
.hero-title span { color: var(--main-color-eco); }
.hero-desc {
    font-size: 1.05rem;
    color: #cbd5e1;
    line-height: 1.75;
    margin-bottom: 2rem;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--blue);
    color: #fff;
    border: none;
    padding: .75rem 1.75rem;
    border-radius: .5rem;
    font-size: .9rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0,102,255,.4);
    transition: background .3s var(--wk-ease-out),
    box-shadow .3s var(--wk-ease-out),
    transform .3s var(--wk-ease-out);
}
.btn-primary:hover {
    background: var(--main-color-eco);
    box-shadow: 0 8px 24px rgba(0,208,132,.45);
    transform: scale(1.06) translateY(-2px);
}
.btn-primary:active {
    transform: scale(.97) translateY(0);
    box-shadow: 0 2px 8px rgba(0,208,132,.3);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: rgba(255,255,255,.1);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,.5);
    padding: .75rem 1.75rem;
    border-radius: .5rem;
    font-size: .9rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    transition: background .3s var(--wk-ease-out),
    border-color .3s var(--wk-ease-out),
    transform .3s var(--wk-ease-out);
}
.btn-outline:hover {
    background: rgba(255,255,255,.22);
    border-color: rgba(255,255,255,1);
    transform: scale(1.06) translateY(-2px);
}
.btn-outline:active {
    transform: scale(.97) translateY(0);
}

/* ══════════════════════════════════════════════════════════
   GO GREEN SECTION
══════════════════════════════════════════════════════════ */
.go-green-section {
    padding: 6rem 1.5rem;
    background: linear-gradient(to bottom, #fff, #f0fdf4);
    text-align: center;
}
.go-green-letters {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: .25rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    min-height: 90px;
}
.go-green-letters span {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1;
    opacity: 0;
    transform: translateY(30px) rotate(-4deg);
    transition: opacity .6s var(--wk-ease-out), transform .6s var(--wk-ease-out);
}
.go-green-letters.visible span { opacity: 1; transform: translateY(0) rotate(0deg); }
.go-green-letters span.blue  { color: var(--blue); }
.go-green-letters span.green { color: var(--main-color-eco); }
.go-green-letters span.space { width: 1rem; }
.go-green-sub {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 1rem;
}
.go-green-desc {
    font-size: 1.375rem;
    color: var(--text-gray-color);
    max-width: 600px;
    margin: 0 auto 3rem;
}
.value-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1500px;
    margin: 0 auto;
}
.value-card {
    text-align:center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
    transition: box-shadow .3s;
}
.value-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.value-card-icon { width: 56px; height: 56px; margin:0 auto 1.2rem auto; }
.value-card-icon img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 4px 8px rgba(0,0,0,.15)); }
.value-card h3 { font-size: var(--fs-label-sub); font-weight: 700; color: #1e293b; margin-bottom: .6rem; }
.value-card p  { font-size: var(--fs-desc-sub);color: var(--text-gray-color); }

/* ══════════════════════════════════════════════════════════
   PRODUCT SECTION
══════════════════════════════════════════════════════════ */
.products-section { padding: 6rem 0; background: #fff; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: .75rem;
}
.section-tag.green { color: var(--main-color-eco); }
.section-tag.blue  { color: var(--blue); }
.section-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    color: #1e293b;
    line-height: 1.3;
    margin-bottom: .75rem;
}
.section-desc { font-size: 1rem; color: var(--text-gray-color); line-height: 1.7; }
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}
@media (max-width: 1024px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .products-grid { grid-template-columns: 1fr; } }
.product-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
    transition: box-shadow .3s, transform .3s;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    box-shadow: 0 12px 32px rgba(0,0,0,.1);
    transform: translateY(-4px);
}
.product-img {
    width: 100%;
    height: 200px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    padding: 1rem;
}
.product-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform .5s var(--wk-ease-out);
}
.product-card:hover .product-img img { transform: scale(1.07); }
.product-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: var(--fs-label-sub); font-weight: 700; color: #1e293b; margin-bottom: .6rem; }
.product-body p  { font-size: var(--fs-desc-sub);color: var(--text-gray-color); flex: 1; margin-bottom: 1rem; }
.product-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag {
    font-weight: 500;
    padding: .25rem .75rem;
    border-radius: 999px;
}
.tag.green { background: #f0fdf4; color: #16a34a; }
.tag.blue  { background: #eff6ff; color: #2563eb; }

/* ══════════════════════════════════════════════════════════
   ECO VALUES SECTION
══════════════════════════════════════════════════════════ */
.eco-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f0fdf4 0%, #fff 50%, #eff6ff 100%);
}
.eco-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
}
.eco-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    padding: 2.5rem 1.5rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
    transition: box-shadow .3s;
}
.eco-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.eco-icon { width: 70px; height: 70px; margin: 0 auto 1.5rem; }
.eco-icon img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 4px 8px rgba(0,0,0,.15)); }
.eco-card h4 { font-size: var(--fs-label-sub); font-weight: 700; color: #1e293b; margin-bottom: .5rem; }
.eco-card p  { font-size: var(--fs-desc-sub);color: var(--text-gray-color); line-height: 1.65; }
@media (max-width: 1024px) { .eco-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .eco-grid { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   MANUFACTURING SECTION
══════════════════════════════════════════════════════════ */
.mfg-section { padding: 6rem 0; background: #fff; }
.mfg-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.mfg-card {
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
    transition: box-shadow .3s;
}
.mfg-card:hover { box-shadow: 0 12px 32px rgba(0,0,0,.1); }
.mfg-img-wrap {
    position: relative;
    width: 100%;
    height: 260px;
    overflow: hidden;
    cursor: zoom-in;
}
.mfg-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .7s var(--wk-ease-out);
}
.mfg-card:hover .mfg-img-wrap img { transform: scale(1.05); }
.mfg-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.3), transparent);
    pointer-events: none;
}
.mfg-zoom-hint {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}
.mfg-card:hover .mfg-zoom-hint { opacity: 1; }
.mfg-zoom-hint-inner {
    background: rgba(255,255,255,.2);
    backdrop-filter: blur(4px);
    border: 1.5px solid rgba(255,255,255,.4);
    border-radius: 50%;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.mfg-zoom-hint-inner svg { width: 24px; height: 24px; color: #fff; stroke: #fff; }
.mfg-body { padding: 1.5rem 2rem; }
.mfg-body h3 { font-size: var(--fs-label-sub); font-weight: 700; color: #1e293b; }

/* ══════════════════════════════════════════════════════════
   ESG SECTION
══════════════════════════════════════════════════════════ */
.esg-section {
    padding: 6rem 1.5rem;
    background: linear-gradient(to bottom, #eff6ff, #fff);
    text-align: center;
}

.esg-badge { cursor: default; }
.esg-badge:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0,102,255,.45) !important;
    background: #3385ff !important;
}
.esg-inner .section-title span { color: var(--blue); }
.esg-desc { font-size: var(--fs-desc-sub); color: var(--text-gray-color); line-height: 1.8; margin: 1.5rem 0 2.5rem; }
.btn-blue {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--blue);
    color: #fff;
    border: none;
    padding: .8rem 2rem;
    border-radius: .5rem;
    font-size: .9rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0,102,255,.35);
    transition: background .3s var(--wk-ease-out),
    box-shadow .3s var(--wk-ease-out),
    transform .3s var(--wk-ease-out);
}
.btn-blue:hover {
    background: var(--main-color-eco);
    box-shadow: 0 8px 24px rgba(0,208,132,.4);
    transform: scale(1.06) translateY(-2px);
}
.btn-blue:active { transform: scale(.97) translateY(0); }

/* ══════════════════════════════════════════════════════════
   CTA SECTION
══════════════════════════════════════════════════════════ */
.cta-section {
    padding: 5rem 1.5rem;
    background: linear-gradient(135deg, var(--blue) 0%, #00b4d8 50%, var(--main-color-eco) 100%);
    text-align: center;
}
.cta-section h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}
.cta-section p {
    font-size: var(--fs-desc-sub);
    color: rgba(255,255,255,.85);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}
.cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-white {
    background: #fff;
    color: var(--blue);
    border: none;
    padding: .8rem 2rem;
    border-radius: .5rem;
    font-size: .9rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0,0,0,.15);
    transition: background .3s var(--wk-ease-out),
    box-shadow .3s var(--wk-ease-out),
    transform .3s var(--wk-ease-out);
}
.btn-white:hover {
    background: #f0fdf4;
    box-shadow: 0 8px 24px rgba(0,0,0,.2);
    transform: scale(1.06) translateY(-2px);
}
.btn-white:active { transform: scale(.97) translateY(0); }
.btn-ghost {
    background: rgba(255,255,255,.12);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,.5);
    padding: .8rem 2rem;
    border-radius: .5rem;
    font-size: .9rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    transition: background .3s var(--wk-ease-out),
    border-color .3s var(--wk-ease-out),
    transform .3s var(--wk-ease-out);
}
.btn-ghost:hover {
    background: rgba(255,255,255,.22);
    border-color: rgba(255,255,255,1);
    transform: scale(1.06) translateY(-2px);
}
.btn-ghost:active { transform: scale(.97) translateY(0); }

/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
.footer { background: #0f172a; color: #94a3b8; padding: 3.5rem 1.5rem 2rem; }
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 2rem;
    max-width: 1280px;
    margin: 0 auto 2.5rem;
}
.footer-col h4 { color: #fff; font-size: .875rem; font-weight: 700; margin-bottom: 1rem; letter-spacing: .04em; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: .5rem; }
.footer-col ul li a { font-size: .8rem; transition: color .2s; }
.footer-col ul li a:hover { color: #fff; }
.footer-col ul li span { font-size: .8rem; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 1280px;
    margin: 0 auto;
}
.footer-bottom p { font-size: .8rem; color: #64748b; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: .8rem; transition: color .2s; }
.footer-links a:hover { color: #fff; }

/* ══════════════════════════════════════════════════════════
   LIGHTBOX
══════════════════════════════════════════════════════════ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.85);
    backdrop-filter: blur(8px);
    animation: fadeIn .25s var(--wk-ease-out);
}
.lightbox-close {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: rgba(255,255,255,.8);
    font-size: 2rem;
    line-height: 1;
    transition: color .2s;
    z-index: 10;
}
.lightbox-close:hover { color: #fff; }
.lightbox-img-wrap {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0,0,0,.6);
    animation: scaleIn .3s var(--wk-ease-out);
}
.lightbox-img-wrap img {
    display: block;
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
}
.lightbox-caption {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(0,0,0,.7), transparent);
    padding: 1.5rem 1.25rem .75rem;
    color: #fff;
    font-size: .875rem;
    font-weight: 600;
}
.lightbox-hint {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,.45);
    font-size: .75rem;
    white-space: nowrap;
}

/* ══════════════════════════════════════════════════════════
   MOBILE NAV DRAWER
══════════════════════════════════════════════════════════ */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
}
.mobile-nav.open { display: block; }
.mobile-nav-bg {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.5);
}
.mobile-nav-drawer {
    position: absolute;
    top: 0; right: 0;
    width: 260px;
    height: 100%;
    background: #fff;
    padding: 2rem 1.5rem;
    box-shadow: -4px 0 24px rgba(0,0,0,.15);
    animation: slideIn .3s var(--wk-ease-out);
}
@keyframes slideIn { from { transform: translateX(100%) } to { transform: translateX(0) } }

.eco-detail-panel { display: none; }

.prd_detail {text-align:center;}
.prd_detail h4 {text-align:center;font-size:var(--fs-label-sub);color:#fff;background-color:#222;padding:1rem 0;font-weight:700;}
.prd_detail img {max-width:100%;}
.prd_detail_btn {display:flex;gap:0.5rem;padding:2rem 3rem;text-align:center;}
.prd_detail_btn .detail_btns {flex:1;padding:.8rem 0.5rem;}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .nav-links, .btn-nav { display: none; }
    .nav-hamburger { display: block; }
    .hero { min-height: 520px; }
    .hero-content { padding: 3.5rem 1.25rem; }
    .go-green-section { padding: 4rem 1.25rem; }
    .products-section, .eco-section, .mfg-section, .esg-section, .cta-section { padding: 4rem 0;}
    .prd_detail_btn {padding:2rem 0;}
}

@media all and (max-width: 560px) {
    .value-card-icon { margin-left:auto;margin-right:auto;}
}