/* =========================================================================
   NICE REPARTS — 공통 디자인 CSS (style.css)  [DESIGN v2 · Light Premium]
   - supanova 디자인 스킬을 라이트 모드로 전면 반영한 프리미엄 스타일.
   - 메인 색상은 :root 의 --color-primary 한 곳만 바꾸면 전체가 바뀐다.
   - 특징: 넉넉한 여백, Pretendard 대형 타이포, 부드러운 앰비언트 섀도우,
           둥근 카드, 글래스 스티키 네비, 스프링 모션, 단일 그린 액센트.
   - (구 v1 플랫 스타일은 backup/design-v1-flat 에 백업됨)
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. 디자인 토큰
   ------------------------------------------------------------------------- */
:root {
    /* 메인 색상 (단일 액센트) — 이 한 줄로 전체 테마색 변경 */
    --color-primary:      #16915b;
    --color-primary-dark: #0f7247;
    --color-primary-soft: #e8f5ee;
    --color-accent-ink:   #0b5e3a;

    /* 중립 (쿨 그레이 통일) */
    --color-ink:        #0f1419;   /* 헤드라인 */
    --color-text:       #232a31;   /* 본문 */
    --color-text-muted: #6a7683;   /* 보조 */
    --color-line:       #e7eaee;   /* 경계선(헤어라인) */
    --color-line-soft:  #eef1f4;
    --color-bg:         #ffffff;
    --color-bg-soft:    #f6f8f9;   /* 섹션 옅은 배경 */
    --color-bg-tint:    #f1f4f6;
    --color-footer-bg:  #0e1a16;   /* 푸터 딥 그린-슬레이트 (사이트는 라이트, 푸터만 대비) */
    --color-danger:     #dc5a4b;

    /* 모서리 (프리미엄: 넉넉한 라운드) */
    --radius:      0;
    --radius-sm:   0;
    --radius-lg:   0;
    --radius-pill: 0;

    /* 앰비언트 섀도우 (은은하게, 배경 톤에 맞춤) */
    --shadow-1: 0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.04);
    --shadow-2: 0 14px 40px -16px rgba(16,24,40,.16);
    --shadow-3: 0 30px 70px -24px rgba(16,24,40,.22);
    --shadow-accent: 0 16px 40px -14px rgba(22,145,91,.42);

    /* 여백 */
    --gap-xs: 6px; --gap-sm: 10px; --gap: 16px; --gap-lg: 24px; --gap-xl: 40px; --gap-2xl: 64px;

    /* 레이아웃 */
    --container-width: 1200px;

    /* 타이포 */
    --font-base: 16px;
    --font-lg:   18px;
    --font-xl:   clamp(22px, 3vw, 28px);
    --font-display: clamp(34px, 6vw, 60px);

    --control-h: 52px;

    /* 모션 시그니처 (스프링 감) */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* -------------------------------------------------------------------------
   2. 리셋 & 기본
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo",
                 "Malgun Gothic", "맑은 고딕", system-ui, sans-serif;
    font-size: var(--font-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    word-break: keep-all;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, p { margin: 0; }

/* -------------------------------------------------------------------------
   3. 레이아웃
   ------------------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--gap-2xl) 0; }
.section--alt { background: var(--color-bg-soft); }

.section-title {
    font-size: var(--font-xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-ink);
    margin-bottom: var(--gap-lg);
}
.section-title small {
    display: block;
    font-size: var(--font-base);
    font-weight: 500;
    color: var(--color-text-muted);
    margin-top: 8px;
    letter-spacing: 0;
}

/* 아이브로우 태그 (섹션/히어로 상단 미니 배지) */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 14px;
    border-radius: 0;
    background: var(--color-primary-soft);
    color: var(--color-accent-ink);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.02em;
}
.eyebrow i { font-size: 15px; }

/* -------------------------------------------------------------------------
   4. 버튼 (프리미엄 pill + 스프링 hover)
   ------------------------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    min-height: var(--control-h);
    padding: 0 26px;
    border: 1px solid transparent;
    border-radius: 0;
    font-size: var(--font-lg); font-weight: 700; line-height: 1;
    background: var(--color-primary); color: #fff;
    box-shadow: var(--shadow-accent);
    transition: transform .45s var(--ease), box-shadow .45s var(--ease), background-color .3s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 22px 50px -14px rgba(22,145,91,.5); background: var(--color-primary-dark); }
.btn:active { transform: translateY(0) scale(.985); }
.btn--block { width: 100%; }
.btn--outline { background: #fff; color: var(--color-primary); border-color: var(--color-line); box-shadow: var(--shadow-1); }
.btn--outline:hover { background: #fff; border-color: var(--color-primary); box-shadow: var(--shadow-2); }
.btn--ghost { background: #fff; color: var(--color-text); border-color: var(--color-line); box-shadow: none; }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-1px); box-shadow: var(--shadow-1); }

/* CTA 화살표 아이콘: 원형 래퍼 안에서 hover 시 살짝 이동 */
.btn__arrow {
    display: inline-flex; align-items: center; justify-content: center;
    width: 26px; height: 26px; border-radius: 0;
    background: rgba(255,255,255,.18);
    transition: transform .45s var(--ease);
}
.btn:hover .btn__arrow { transform: translateX(3px); }

/* -------------------------------------------------------------------------
   5. 폼 컨트롤
   ------------------------------------------------------------------------- */
.input {
    width: 100%; height: var(--control-h);
    padding: 0 18px;
    border: 1px solid var(--color-line);
    border-radius: 0;
    font-size: var(--font-lg); color: var(--color-text); background: #fff;
    transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-soft); }
.input::placeholder { color: #9aa4ad; }

/* 읽기전용 입력(주소 등) — 직접 입력 불가 표시 */
.input[readonly] { background: #f1f4f6; color: var(--color-text); cursor: default; }
.input[readonly]:focus { border-color: var(--color-line); box-shadow: none; }

/* 주소 입력 컴포넌트 (우편번호/주소/상세주소 + 주소검색) */
.addr-field { display: flex; flex-direction: column; gap: 8px; }
.addr-row { display: flex; gap: 8px; }
.addr-row .addr-zip { max-width: 160px; }
.addr-search {
    flex-shrink: 0;
    display: inline-flex; align-items: center; gap: 6px;
    height: var(--control-h); padding: 0 18px;
    border: 1px solid var(--color-line); border-radius: 0;
    background: #fff; color: var(--color-text);
    font-size: var(--font-base); font-weight: 700; white-space: nowrap;
    transition: border-color .2s var(--ease), color .2s var(--ease);
}
.addr-search:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* 검색바: 캡슐형으로 인풋+버튼을 한 알약 안에 */
.searchbar {
    display: flex; width: 100%;
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 0;
    box-shadow: var(--shadow-1);
    padding: 6px 6px 6px 8px;
    transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.searchbar:focus-within { border-color: var(--color-primary); box-shadow: var(--shadow-2); }
.searchbar .input {
    flex: 1; min-width: 0;
    height: 44px; border: none; border-radius: 0;
    box-shadow: none; padding-left: 14px; background: transparent;
}
.searchbar .input:focus { box-shadow: none; }
.searchbar .btn { flex-shrink: 0; min-height: 44px; padding: 0 22px; box-shadow: none; }
.searchbar .btn:hover { box-shadow: none; transform: none; }

/* -------------------------------------------------------------------------
   6. 헤더 (글래스 스티키)
   ------------------------------------------------------------------------- */
.site-header {
    position: sticky; top: 0; z-index: 40;
    background: rgba(255,255,255,.78);
    backdrop-filter: saturate(160%) blur(16px);
    -webkit-backdrop-filter: saturate(160%) blur(16px);
    border-bottom: 1px solid var(--color-line);
}
.header-top {
    display: flex; align-items: center; gap: 28px;
    padding: 14px 24px;
    max-width: var(--container-width); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand__sub { font-size: 13px; font-weight: 700; color: var(--color-text-muted); }
.brand-logo { display: block; max-width: none; }

.header-search { flex: 1; display: flex; gap: 12px; min-width: 0; }
.header-search .searchbar { flex: 1; min-width: 0; }
.header-search .searchbar .input { height: 40px; font-size: var(--font-base); }
.header-search .searchbar .btn { min-height: 40px; padding: 0 18px; }

.header-links { display: flex; align-items: center; gap: 22px; flex-shrink: 0; }
.header-link {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    font-size: 12.5px; font-weight: 600; color: var(--color-text);
    transition: color .25s var(--ease);
}
.header-link:hover { color: var(--color-primary); }
.header-link .ico { font-size: 21px; line-height: 1; }
/* 장바구니 등 카운트 배지 — 둥글게(예외) + 선명한 빨강 */
.header-link .badge {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 18px; height: 18px; padding: 0 5px;
    background: #e5342b; color: #fff; font-size: 11px; font-weight: 700; line-height: 1;
    text-align: center; border-radius: 999px;
}

/* -------------------------------------------------------------------------
   7. 카테고리 네비 (솔리드 그린 바 · 각진 · 흰 글씨)
   ------------------------------------------------------------------------- */
.site-nav { background: var(--color-primary); }
.nav-inner {
    display: flex;
    max-width: var(--container-width); margin: 0 auto;
    padding: 0 24px;
    overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.nav-inner::-webkit-scrollbar { display: none; }
.nav-item {
    flex-shrink: 0;
    padding: 15px 20px;
    color: #fff; font-size: 15px; font-weight: 700; white-space: nowrap;
    border-right: 1px solid rgba(255,255,255,.15);
    transition: background-color .2s var(--ease);
}
.nav-item:first-child { border-left: 1px solid rgba(255,255,255,.15); }
.nav-item:hover, .nav-item.is-active { background: var(--color-primary-dark); }

/* -------------------------------------------------------------------------
   8. 히어로 (대형 타이포 + 앰비언트 메시)
   ------------------------------------------------------------------------- */
.hero {
    position: relative; overflow: hidden;
    padding: var(--gap-2xl) 0 calc(var(--gap-2xl) + 8px);
    background:
        radial-gradient(58% 80% at 12% -5%, rgba(22,145,91,.10), transparent 60%),
        radial-gradient(46% 70% at 104% 0%, rgba(22,145,91,.08), transparent 58%),
        var(--color-bg-soft);
}
.hero__inner { max-width: 860px; }
.hero .eyebrow { margin-bottom: 22px; }
.hero__title {
    font-size: var(--font-display);
    font-weight: 800; letter-spacing: -0.03em; line-height: 1.14;
    color: var(--color-ink);
}
.hero__title .accent {
    color: var(--color-primary);
    background: linear-gradient(180deg, transparent 62%, var(--color-primary-soft) 62%);
    padding: 0 4px;
}
.hero__desc {
    margin-top: 20px; max-width: 62ch;
    font-size: var(--font-lg); color: var(--color-text-muted); line-height: 1.7;
}
.hero__search { margin-top: 32px; max-width: 720px; display: flex; flex-direction: column; gap: 12px; }
.hero__search-row { display: flex; }
.hero__hint { margin-top: 6px; font-size: 13.5px; color: var(--color-text-muted); }

/* -------------------------------------------------------------------------
   9. 빠른 차종 칩
   ------------------------------------------------------------------------- */
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
    display: inline-flex; align-items: center; min-height: 46px; padding: 0 22px;
    border: 1px solid var(--color-line); border-radius: 0;
    background: #fff; box-shadow: var(--shadow-1);
    font-size: var(--font-base); font-weight: 700; color: var(--color-text);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.chip:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: var(--color-primary); color: var(--color-primary); }

/* -------------------------------------------------------------------------
   10. 핵심부품 카드 그리드
   ------------------------------------------------------------------------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 18px; }
.part-card {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
    min-height: 148px; padding: 26px 18px;
    border: 1px solid var(--color-line); border-radius: 0;
    background: #fff; box-shadow: var(--shadow-1); text-align: center;
    transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s var(--ease);
}
.part-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-3); border-color: transparent; }
.part-card__icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 58px; height: 58px; border-radius: 0;
    background: var(--color-primary-soft); color: var(--color-primary);
    font-size: 30px;
    transition: transform .45s var(--ease);
}
.part-card:hover .part-card__icon { transform: scale(1.08) rotate(-4deg); }
.part-card__name { font-size: var(--font-base); font-weight: 700; color: var(--color-ink); }

/* -------------------------------------------------------------------------
   11. 서비스 안내 — 벤토(Bento) 그리드
   ------------------------------------------------------------------------- */
.feature-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; }
.feature {
    position: relative; overflow: hidden;
    padding: 30px;
    border: 1px solid var(--color-line); border-radius: 0;
    background: #fff; box-shadow: var(--shadow-1);
    transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.feature:first-child {
    grid-row: span 1;
    background:
        radial-gradient(120% 120% at 100% 0%, var(--color-primary-soft), transparent 60%),
        #fff;
}
.feature:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); }
.feature__num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border-radius: 0;
    background: var(--color-primary); color: #fff; font-weight: 800; font-size: 18px;
    box-shadow: var(--shadow-accent); margin-bottom: 18px;
}
.feature__title { font-size: var(--font-lg); font-weight: 800; color: var(--color-ink); margin-bottom: 10px; letter-spacing: -0.01em; }
.feature__desc { color: var(--color-text-muted); line-height: 1.7; }

/* -------------------------------------------------------------------------
   12. 푸터 (딥 그린-슬레이트 대비 밴드)
   ------------------------------------------------------------------------- */
.site-footer { background: var(--color-footer-bg); color: #aeb9b3; padding: var(--gap-2xl) 0 var(--gap-xl); margin-top: var(--gap-2xl); }
.footer-logo { margin-bottom: 16px; }
.footer-logo .brand-logo { filter: brightness(0) invert(1); opacity: .95; }
.footer-company { font-size: var(--font-lg); font-weight: 800; color: #fff; margin-bottom: var(--gap); }
.footer-info { font-size: 14px; line-height: 1.7; }
.footer-line { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0 0 5px; }
.footer-info .sep { opacity: .3; }
.footer-copy { margin-top: var(--gap-lg); padding-top: var(--gap); border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; opacity: .7; }

/* -------------------------------------------------------------------------
   13. 햄버거 버튼 + 모바일 드로어
   ------------------------------------------------------------------------- */
.nav-toggle {
    display: none; align-items: center; justify-content: center;
    width: 48px; height: 46px; flex-shrink: 0;
    border: 1px solid var(--color-line); border-radius: 0;
    background: #fff; color: var(--color-text); font-size: 23px; box-shadow: var(--shadow-1);
    transition: border-color .25s var(--ease), color .25s var(--ease);
}
.nav-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); }

.mobile-menu { display: none; }
.mobile-menu__overlay { position: fixed; inset: 0; background: rgba(10,16,14,.4); backdrop-filter: blur(2px); opacity: 0; transition: opacity .3s var(--ease); }
.mobile-menu__panel {
    position: fixed; top: 0; left: 0; bottom: 0; width: 84%; max-width: 340px;
    background: #fff; box-shadow: var(--shadow-3);
    transform: translateX(-100%); transition: transform .4s var(--ease);
    overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.mobile-menu.is-open .mobile-menu__overlay { opacity: 1; }
.mobile-menu.is-open .mobile-menu__panel { transform: translateX(0); }
.mobile-menu__head { display: flex; align-items: center; justify-content: space-between; height: 60px; padding: 0 18px; background: var(--color-primary); color: #fff; }
.mobile-menu__title { font-size: var(--font-lg); font-weight: 800; }
.mobile-menu__close { width: 40px; height: 40px; border: none; background: transparent; color: #fff; font-size: 26px; display: flex; align-items: center; justify-content: center; }
.mobile-menu__label { padding: 18px 20px 8px; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--color-text-muted); }
.mobile-menu__item { display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; font-size: var(--font-lg); font-weight: 600; color: var(--color-text); border-top: 1px solid var(--color-line-soft); }
.mobile-menu__item:hover { background: var(--color-primary-soft); color: var(--color-accent-ink); }
.mobile-menu__item i.xi-angle-right { color: var(--color-text-muted); font-size: 18px; }
body.menu-open { overflow: hidden; }

/* -------------------------------------------------------------------------
   14. 플래시 메시지
   ------------------------------------------------------------------------- */
.site-flash { max-width: var(--container-width); margin: 18px auto 0; padding: 0 24px; }
.flash { display: flex; align-items: center; gap: 9px; padding: 14px 18px; border-radius: 0; font-size: var(--font-base); font-weight: 600; box-shadow: var(--shadow-1); }
.flash--success { background: var(--color-primary-soft); color: var(--color-accent-ink); }
.flash--error { background: #fdecea; color: #b23b2e; }

/* -------------------------------------------------------------------------
   15. 인증 (로그인/회원가입) — 화면 100% 정중앙, 프리미엄 카드
   ------------------------------------------------------------------------- */
.auth-page {
    background:
        radial-gradient(50% 60% at 50% -10%, rgba(22,145,91,.10), transparent 60%),
        var(--color-bg-soft);
}
.auth-center { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 26px; padding: 40px 18px; }
.auth-logo { display: block; }
.auth-card {
    width: 100%; max-width: 420px;
    border: 1px solid var(--color-line); border-radius: 0;
    padding: 38px 32px; background: #fff; box-shadow: var(--shadow-3);
}
.auth-card--wide { max-width: 640px; }
.auth-title { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; text-align: center; color: var(--color-ink); margin-bottom: 6px; }
.auth-sub { text-align: center; color: var(--color-text-muted); font-size: var(--font-base); margin-bottom: 26px; }
.auth-field { margin-bottom: 18px; }
.auth-field > label { display: block; font-weight: 700; color: var(--color-ink); margin-bottom: 8px; }
.auth-field .req { color: var(--color-danger); }
.auth-field .hint { font-size: 13px; color: var(--color-text-muted); margin-top: 6px; }
.auth-field .field-error { font-size: 13px; color: var(--color-danger); font-weight: 600; margin-top: 6px; }
.auth-field select.input { appearance: none; background: #fff; }
.auth-row { display: flex; gap: 16px; }
.auth-row > .auth-field { flex: 1; }
.auth-actions { margin-top: 24px; }
.auth-links { text-align: center; margin-top: 20px; font-size: var(--font-base); color: var(--color-text-muted); }
.auth-links a { color: var(--color-primary); font-weight: 700; }

/* -------------------------------------------------------------------------
   16. 스크롤 인 애니메이션 (IntersectionObserver 로 .is-visible 부여)
   ------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); will-change: opacity, transform; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* -------------------------------------------------------------------------
   17. 반응형
   ------------------------------------------------------------------------- */
@media (max-width: 960px) {
    .feature-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .nav-toggle { display: inline-flex; }
    .site-nav { display: none; }
    .header-links { display: none; }
    .mobile-menu { display: block; }
    .header-top { flex-wrap: wrap; gap: 14px; }
    .header-search { order: 3; flex-basis: 100%; flex-direction: column; gap: 10px; }
}
@media (max-width: 560px) {
    .container { padding: 0 18px; }
    .brand__sub { display: none; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .section { padding: var(--gap-2xl) 0; }
    .hero__search-row { flex-direction: column; }
}