@import url(./common.css);
/* =====================================================
    BASE — 섹션 공통
===================================================== */
section {
    min-height: unset;
    padding: clamp(15px, 2vw, 30px) clamp(20px, 10vw, 350px);
}

/* =====================================================
    포트폴리오 메인 이미지
===================================================== */
#portfolio_main {
    width: 100%;
    aspect-ratio: 16/9;
    padding: 0;
    position: relative;
    margin-top: var(--header-h);
}

#portfolio_main .portfolio_bg {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#portfolio_main .logo_box {
    width: 100%;
    height: 100%;
    padding: clamp(20px, 3vw, 50px);
    position: absolute;
    z-index: 2;
    display: flex;
    justify-content: right;
    align-items: start;
}

#portfolio_main .logo_box .logo {
    width: clamp(100px, 20vw, 200px);
}

#introduce figure > .logo {
    width: fit-content;
    height: fit-content;
}

/* =====================================================
    텍스트 박스 공통
===================================================== */
.text_box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: start;
    flex: 8;
    padding: 0 50px;
    color: #7A6A58;
    letter-spacing: 0.05em;
}

.text_box .title {
    font-size: clamp(16px, 4vw, 24px);
    margin-bottom: 8px;
    font-weight: 700;
    color: #36332E;
}

.text_box .fa-solid {
    margin: auto;
}

.text_box .desc {
    font-size: clamp(12px, 2vw, 16px);
    line-height: 1.8;
}

#introduce .text_box .keyword {
    font-size: clamp(14px, 2.5vw, 18px);
    color: var(--ink2);
    margin-top: 10px;
}

.result_list li {
    margin-bottom: 10px;
    font-size: clamp(12px, 2vw, 16px);
}


/* =====================================================
    섹션 그룹 — 배경 테마
===================================================== */
.section_group {
    position: relative;
    padding: clamp(40px, 5vw, 80px) 0;
}

.group_info {
    background-color: #EDF4F8;
}

.group_sns,
.group_interior {
    background-color: #E8E4DE;
}

.group_sns .text_box .title,
.group_interior .text_box .title {
    color: #36332E;
    margin-bottom: 10px;
    font-size: clamp(20px, 2vw, 26px);
}

.group_sns .text_box {
    color: #7A6A58;
}

.group_sns .sns_list dt {
    color: #36332E;
    margin-bottom: 5px;
    font-weight: 500;
    font-size: clamp(16px, 1.5vw, 20px);
}

.group_sns .sns_list dd,
.group_interior .text_box .desc {
    color: #8A8078;
    line-height: 1.8;
    font-size: clamp(12px, 1.3vw, 16px);
}

.group_sns .img_card > h2 {
    color: #8A8078;
}

.group_homepage {
    background-color: #D6D1CA;
    color: #36332E;
}

#fixed_contact_btn {
    background: #7AAFC8;
}

#fixed_contact_btn:hover {
    background: #8EB8CC;
}

header {
    border-bottom: 1px solid #7AAFC8;
}

#contact_us .open_modal {
    color: #7AAFC8;
}

#contact_us .open_modal_sub {
    color: #7AAFC8;
    border: clamp(1px, .2vw, 3px) solid #7AAFC8;
}

/* =====================================================
    인테리어 그리드
===================================================== */
#interior {
    padding-bottom: clamp(40px, 5vw, 80px);
}

.interior_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 20px 50px;
}

.interior_featured {
    display: flex;
}

.interior_featured img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.interior_sub_item {
    overflow: hidden;
    display: flex;
}

.interior_sub_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease, filter 0.4s ease;
}

.interior_sub_item:hover img {
    transform: scale(1.03);
    filter: brightness(1.05);
}

.interior_wide {
    grid-column: span 2;
}

.interior_wide img {
    aspect-ratio: 2 / 1;
}
/* =====================================================
    커스텀 헤더 (뒤로가기)
===================================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: clamp(14px, 3vw, 24px) clamp(16px, 3.5vw, 28px);
    transform: translateY(0) !important;
}

header[data-custom].hide_header {
    transform: translateY(0) !important;
}

.back_btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: #7AAFC8;
    font-size: clamp(18px, 2.5vw, 42px);
    width: clamp(36px, 5vw, 50px);
    height: clamp(36px, 5vw, 50px);
    transform: translateX(10px);
    transition: transform 0.35s ease, color 0.3s ease, text-shadow 0.3s ease;
    text-shadow: 0 0 8px rgba(168,200,220,0.6), 0 0 16px rgba(168,200,220,0.3);
}

header.light .back_btn {
    color: #A8C8DC;
    text-shadow: 0 1px 6px rgba(168,200,220,0.5);
}

.back_btn:hover {
    transform: translateX(0);
}

/* =====================================================
    커스텀 스크롤바
===================================================== */
html {
    scrollbar-width: none;
}

html::-webkit-scrollbar {
    display: none;
}

.custom_scrollbar {
    position: fixed;
    right: 6px;
    top: 0;
    width: 4px;
    height: 100vh;
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s;
}

.custom_scrollbar.visible {
    opacity: 1;
}

.custom_scrollbar_thumb {
    position: absolute;
    width: 100%;
    background: #3d2b1f96;
    border-radius: 99px;
    cursor: grab;
    transition: background 0.2s;
}

.custom_scrollbar_thumb:hover {
    background: #3d2b1faf;
    width: 6px;
    margin-left: -1px;
}

.custom_scrollbar_thumb.dragging {
    cursor: grabbing;
    background: #3d2b1faf;
    width: 6px;
    margin-left: -1px;
}

.top_btn {
    color: #7AAFC8;
    opacity: 0.7;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.top_btn:hover {
    color: #7AAFC8;
    opacity: 1;
}

/* =====================================================
    반응형
===================================================== */
@media (max-width: 768px) {
    #portfolio_main{
        margin-top: calc(var(--header-h) - 2px);
    }

    header{
        border-bottom: 1px solid #3d2b1f96;
    }

    .back_btn {
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    section {
        padding: clamp(24px, 5vw, 40px) clamp(16px, 5vw, 28px);
    }

    .page_intro {
        padding: clamp(20px, 5vw, 50px);
        padding-bottom: clamp(80px, 18vw, 130px);
        align-items: end;
    }

    .page_intro .overlay > h3 {
        font-size: clamp(14px, 4vw, 22px);
    }

    .page_intro .overlay > h4 {
        font-size: clamp(38px, 12vw, 66px);
    }

    .drag_hint {
        bottom: clamp(24px, 5vw, 48px);
    }

    .text_box {
        border-left: none;
        padding: 12px 0;
    }

    .homepage_preview_stage {
        height: auto;
        overflow: visible;
        zoom: 0.65;
    }

    .homepage_preview_header {
        flex-wrap: wrap;
        gap: 12px;
    }

    .preview_device_indicator {
        display: none;
    }

    .preview_size_display {
        display: none;
    }

    .homepage_preview_window {
        width: 100% !important;
        transition: none !important;
    }

    .preview_frame_wrap {
        display: block;
    }

    .preview_img.pc_img,
    .homepage_preview_window.show_mobile .preview_img.mobile_img {
        width: 100% !important;
        height: auto !important;
        max-width: 100% !important;
    }

    .indicator_item {
        font-size: 13px;
    }

    .img_slide img {
        width: 140px;
    }

    .interior_grid {
        grid-template-columns: 1fr;
        padding: 0;
    }

    .interior_featured img {
        aspect-ratio: 4/3;
    }

    .interior_sub_grid {
        grid-template-columns: 1fr 1fr;
    }
}