/*=============================================
  Fine HPS — 통합 스타일 시스템 v2.0
  브랜드: Trust · Fresh · Technology · Connection
  디자인: Fresh Blue + Brushed Metal Finish
=============================================*/

/* ── 0. Google Fonts & Pretendard 로드 ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');

/* ── 1. CSS 디자인 토큰 (변수) ── */
/* [초등학생용 주석] 이 변수들은 레고 색깔 팔레트예요. 여기서 색을 바꾸면 전체가 바뀌어요! */
:root {
    /* 브랜드 컬러 */
    --color-primary: #0056b3;
    --color-primary-dark: #003a7a;
    --color-primary-light: #2483e2;
    --color-accent: #00d4ff;
    --color-gold: #d4af37;
    --color-gold-light: #f0d060;

    /* 배경 & 표면 */
    --color-bg: #f4f7f6;
    --color-surface: #ffffff;
    --color-dark: #0a1628;
    --color-dark-2: #12213b;

    /* 텍스트 */
    --color-text: #1a2030;
    --color-text-sub: #5a6a82;
    --color-text-light: #ffffff;

    /* 메탈 느낌 그라디언트 */
    --metal-bg: linear-gradient(145deg, #e8ecf0 0%, #f8f9fb 40%, #e0e4ea 100%);
    --metal-shadow-out: 6px 6px 14px #c8cdd6, -6px -6px 14px #ffffff;
    --metal-shadow-in: inset 4px 4px 8px #c8cdd6, inset -4px -4px 8px #ffffff;

    /* 히어로 오버레이 */
    --hero-overlay: linear-gradient(135deg, rgba(0, 30, 80, 0.75) 0%, rgba(0, 80, 150, 0.40) 60%, rgba(0, 0, 0, 0.20) 100%);

    /* 타이포그래피 */
    --font-main: 'Pretendard', 'Inter', 'Apple SD Gothic Neo', sans-serif;
    --font-title: 900;
    --font-bold: 700;
    --font-medium: 500;
    --font-normal: 400;

    /* 애니메이션 */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition: 0.3s var(--ease-out);

    /* 반경 & 간격 */
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-lg: 24px;
    --radius-xl: 40px;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
}

/* ── 2. 리셋 & 기본 설정 ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    line-height: 1.6;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ── 3. 레이아웃 유틸 ── */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-pad {
    padding: var(--space-xl) 0;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

/* ── 4. 타이포그래피 ── */
.heading-xl {
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: var(--font-title);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.heading-lg {
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    font-weight: var(--font-bold);
    line-height: 1.25;
}

.heading-md {
    font-size: clamp(1.2rem, 2vw, 1.75rem);
    font-weight: var(--font-bold);
}

.text-gold {
    color: var(--color-gold);
}

.text-accent {
    color: var(--color-accent);
}

.text-primary {
    color: var(--color-primary);
}

/* ── 5. 공통 버튼 ── */
/* [초등학생용 주석] 버튼은 쇼핑몰의 문 손잡이예요! 잡아당기면 어디론가 이동해요. */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-weight: var(--font-bold);
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: var(--transition);
}

.btn:hover::after {
    background: rgba(255, 255, 255, 0.12);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    box-shadow: 0 8px 25px rgba(0, 86, 179, 0.45);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 86, 179, 0.55);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

.btn-gold {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-dark);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.45);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(212, 175, 55, 0.55);
}

/* ── 6. 카카오 로그인 버튼 (공식 스타일) ── */
.btn-kakao {
    background: #FEE500;
    color: #3A1D1D;
    font-weight: var(--font-bold);
    border-radius: 12px;
    padding: 14px 28px;
    gap: 10px;
    border: none;
    transition: var(--transition);
}

.btn-kakao:hover {
    background: #e6cf00;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(254, 229, 0, 0.5);
}

.btn-kakao img {
    width: 22px;
    height: 22px;
}

/* ── 7. 메탈 카드 (핵심 컴포넌트) ── */
/* [초등학생용 주석] 반짝이는 금속 명찰 같은 카드예요. 빛이 나는 것 같죠? */
.metal-card {
    background: var(--metal-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--metal-shadow-out);
    border: 1px solid rgba(255, 255, 255, 0.9);
    padding: var(--space-md);
    transition: var(--transition);
}

.metal-card:hover {
    transform: translateY(-6px);
    box-shadow: 10px 10px 24px #c0c8d4, -10px -10px 24px #ffffff;
}

/* ── 8. 섹션 타이틀 장식 ── */
.section-title-wrap {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-title-wrap .subtitle {
    display: inline-block;
    color: var(--color-primary);
    font-weight: var(--font-bold);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
    padding: 4px 14px;
    background: rgba(0, 86, 179, 0.08);
    border-radius: 20px;
    border: 1px solid rgba(0, 86, 179, 0.2);
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 4px;
    margin: var(--space-sm) auto 0;
}

/* ── 9. 상품 카드 ── */
.product-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.product-card__img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.product-card__body {
    padding: 1rem 1.2rem;
}

.product-card__origin {
    font-size: 0.78rem;
    color: var(--color-primary);
    font-weight: var(--font-bold);
    margin-bottom: 4px;
}

.product-card__name {
    font-weight: var(--font-bold);
    font-size: 1rem;
    margin-bottom: 8px;
}

.product-card__price {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--color-primary-dark);
}

.product-card__price .original {
    font-size: 0.8rem;
    color: var(--color-text-sub);
    text-decoration: line-through;
    margin-right: 6px;
}

.product-card__add-btn {
    width: 100%;
    margin-top: 12px;
    border-radius: var(--radius-sm);
    padding: 10px;
}

/* ── 10. 배지 ── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: var(--font-bold);
}

.badge-fresh {
    background: #e8f5e9;
    color: #2e7d32;
}

.badge-hot {
    background: #ffebee;
    color: #c62828;
}

.badge-new {
    background: #e3f2fd;
    color: #1565c0;
}

.badge-sale {
    background: #fff8e1;
    color: #e65100;
}

/* ── 11. 스크롤바 스타일 ── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 4px;
}