/* =============================================
   기찬F.S 공식 홈페이지 - 메인 스타일시트
   Design Concept: Classic meets Modern
   2026 기준 최신 트렌드 적용
   ============================================= */

/* ===== CSS 변수 (Design Tokens) ===== */
:root {
    /* 컬러 팔레트 */
    --color-deep-blue:    #0d2137;
    --color-mid-blue:     #1a3a5c;
    --color-accent-blue:  #2563a8;
    --color-gold:         #c8902a;
    --color-gold-light:   #e8b84b;
    --color-amber:        #d97706;
    --color-iron:         #1c1c1c;
    --color-warm-gray:    #f5f2ee;
    --color-text-main:    #1a1a1a;
    --color-text-sub:     #5a5a5a;
    --color-text-light:   #8a8a8a;
    --color-white:        #ffffff;
    --color-border:       #e8e4de;

    /* 타이포그래피 */
    --font-serif:   'Noto Serif KR', 'Georgia', serif;
    --font-sans:    'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;

    /* 간격 */
    --space-xs:  0.5rem;
    --space-sm:  1rem;
    --space-md:  2rem;
    --space-lg:  4rem;
    --space-xl:  7rem;

    /* 반지름 */
    --radius-sm: 4px;
    --radius-md: 10px;
    --radius-lg: 20px;
    --radius-xl: 40px;

    /* 그림자 */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);

    /* 트랜지션 */
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

    /* 레이아웃 */
    --max-width: 1280px;
    --header-h: 80px;
}

/* ===== 리셋 & 기본 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-sans);
    color: var(--color-text-main);
    background: var(--color-white);
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select {
    font-family: var(--font-sans);
    font-size: 1rem;
    outline: none;
}

/* ===== 유틸리티 ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}
section { padding: var(--space-xl) 0; }

/* ===== 버튼 ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2.2rem;
    background: var(--color-gold);
    color: var(--color-white);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-gold);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: rgba(255,255,255,0.15);
    transition: left 0.4s ease;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover {
    background: var(--color-amber);
    border-color: var(--color-amber);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200,144,42,0.35);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2.2rem;
    background: transparent;
    color: var(--color-white);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
    border-radius: var(--radius-sm);
    border: 2px solid rgba(255,255,255,0.6);
    transition: var(--transition);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: var(--color-white);
}
.btn-full { width: 100%; justify-content: center; }


/* ===== 섹션 공통 헤더 ===== */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 0.75rem;
    position: relative;
    padding: 0 1.5rem;
}
.section-label::before,
.section-label::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 1px;
    background: var(--color-gold);
}
.section-label::before { right: 100%; margin-right: -1.4rem; }
.section-label::after  { left:  100%; margin-left:  -1.4rem; }

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 700;
    line-height: 1.35;
    color: var(--color-iron);
    margin-bottom: 1rem;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--color-text-sub);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}


/* =============================================
   HEADER
   ============================================= */
#main-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-h);
    transition: background var(--transition), box-shadow var(--transition), height var(--transition);
}
#main-header.scrolled {
    background: rgba(255,255,255,0.97);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    height: 64px;
}
.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo-wrap { display: flex; align-items: center; }
.logo-img {
    height: 48px;
    width: auto;
    filter: none;
    border-radius: 6px;
    background: var(--color-white);
    padding: 4px 8px;
    transition: height var(--transition);
}
#main-header.scrolled .logo-img {
    filter: none;
    height: 40px;
}
.nav-list {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}
.nav-list a {
    font-size: 0.92rem;
    font-weight: 500;
    color: rgba(255,255,255,0.88);
    letter-spacing: 0.02em;
    position: relative;
    transition: color var(--transition);
}
.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--color-gold);
    transition: width var(--transition);
}
.nav-list a:hover { color: var(--color-white); }
.nav-list a:hover::after { width: 100%; }

#main-header.scrolled .nav-list a { color: var(--color-text-main); }
#main-header.scrolled .nav-list a:hover { color: var(--color-gold); }

.nav-cta {
    padding: 0.5rem 1.4rem !important;
    background: var(--color-gold);
    color: var(--color-white) !important;
    border-radius: var(--radius-sm);
    transition: background var(--transition), transform var(--transition) !important;
}
.nav-cta:hover { background: var(--color-amber) !important; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }
#main-header.scrolled .nav-cta { color: var(--color-white) !important; }

/* 햄버거 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}
#main-header.scrolled .hamburger span { background: var(--color-iron); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 모바일 메뉴 */
.mobile-menu {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--color-iron);
    z-index: 999;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: calc(var(--header-h) + 2rem) 2rem 2rem;
}
.mobile-menu.open { right: 0; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 0.5rem; }
.mobile-menu a {
    display: block;
    padding: 1rem 0;
    font-size: 1.1rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--color-gold); }


/* =============================================
   HERO
   ============================================= */
#hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
}
.hero-bg-slider {
    position: absolute;
    inset: 0;
}
.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center top;
    opacity: 0;
    transition: opacity 1.2s ease;
    transform: scale(1);
    animation: none;
}
.hero-slide.active {
    opacity: 1;
    animation: heroZoom 10s ease forwards;
}
@keyframes heroZoom {
    from { transform: scale(1.0); }
    to   { transform: scale(1.0); }
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10,20,40,0.82) 0%,
        rgba(10,20,40,0.55) 50%,
        rgba(10,20,40,0.4) 100%
    );
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 1.5rem;
    max-width: 900px;
}
.hero-sub {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-gold-light);
    margin-bottom: 1.5rem;
}
.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 5.5vw, 4.8rem);
    font-weight: 900;
    line-height: 1.2;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}
.hero-title-ko { display: block; }
.hero-title-accent {
    display: block;
    color: var(--color-gold-light);
    text-shadow: 0 0 40px rgba(232,184,75,0.4);
}
.hero-desc {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.82);
    line-height: 1.9;
    margin-bottom: 2.5rem;
}
.hero-btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* 스크롤 힌트 */
.hero-scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
}
.hero-scroll-hint span {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: rgba(255,255,255,0.5);
}
.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse {
    0%   { transform: scaleY(1); opacity: 1; }
    50%  { transform: scaleY(0.5); opacity: 0.4; }
    100% { transform: scaleY(1); opacity: 1; }
}

/* 슬라이더 도트 */
.hero-dots {
    position: absolute;
    bottom: 2.5rem;
    right: 3rem;
    z-index: 2;
    display: flex;
    gap: 0.5rem;
}
.dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    transition: var(--transition);
    cursor: pointer;
}
.dot.active {
    background: var(--color-gold);
    width: 28px;
    border-radius: 4px;
}


/* =============================================
   KEY NUMBERS
   ============================================= */
#key-numbers {
    padding: 0;
    background: var(--color-deep-blue);
}
.numbers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.number-item {
    padding: 3.5rem 2rem;
    text-align: center;
    border-right: 1px solid rgba(255,255,255,0.08);
    position: relative;
    overflow: hidden;
    transition: background var(--transition);
}
.number-item:last-child { border-right: none; }
.number-item::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--color-gold);
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: left;
}
.number-item:hover::before { transform: scaleX(1); }
.number-item:hover { background: rgba(255,255,255,0.04); }

.number-item .num {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: var(--color-gold-light);
    display: inline-block;
}
.number-item .unit {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.6);
    margin-left: 0.2rem;
    vertical-align: bottom;
}
.number-item p {
    margin-top: 0.5rem;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.04em;
}


/* =============================================
   BRAND STORY
   ============================================= */
#brand-story { background: var(--color-white); }

.story-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}
.story-card {
    padding: 2.5rem 2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.story-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}
.story-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.story-card:hover::before { transform: scaleX(1); }

.story-icon {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: rgba(200,144,42,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: background var(--transition);
}
.story-icon i { font-size: 1.5rem; color: var(--color-gold); }
.story-card:hover .story-icon { background: var(--color-gold); }
.story-card:hover .story-icon i { color: var(--color-white); }

.story-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 1rem;
    color: var(--color-iron);
}
.story-card p {
    font-size: 0.94rem;
    color: var(--color-text-sub);
    line-height: 1.85;
}

/* 브랜드 특징 리스트 */
.brand-feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.brand-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.9rem 1.2rem;
    background: var(--color-white);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-gold);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.brand-feature-list li:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-amber);
}
.brand-feature-list li i {
    font-size: 1.1rem;
    color: var(--color-gold);
    margin-top: 0.2rem;
    min-width: 20px;
}
.brand-feature-list li div {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.brand-feature-list li strong {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--color-iron);
}
.brand-feature-list li span {
    font-size: 0.82rem;
    color: var(--color-text-sub);
    line-height: 1.5;
}

/* 브랜드 비주얼 */
.brand-visual {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
    padding: 3.5rem;
    background: var(--color-warm-gray);
    border-radius: var(--radius-lg);
}
.brand-visual-img img {
    max-width: 280px;
    margin: 0 auto;
    filter: grayscale(0.1);
}
.brand-quote {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-style: italic;
    line-height: 2;
    color: var(--color-text-main);
    border-left: 4px solid var(--color-gold);
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}
.brand-quote-author {
    font-size: 0.85rem;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}
.brand-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    font-size: 0.82rem;
    color: var(--color-text-sub);
    font-weight: 500;
}
.badge i { color: var(--color-gold); font-size: 0.78rem; }


/* =============================================
   CORE COMPETENCY
   ============================================= */
#competency {
    position: relative;
    overflow: hidden;
    padding: var(--space-xl) 0;
}
.comp-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.comp-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13,33,55,0.94) 0%, rgba(13,33,55,0.88) 100%);
}
.comp-content { position: relative; z-index: 2; }
.comp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}
.comp-item {
    padding: 2.5rem 2rem;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.comp-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(200,144,42,0.5);
    transform: translateY(-4px);
}
.comp-num {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(200,144,42,0.25);
    line-height: 1;
    margin-bottom: 1rem;
    transition: color var(--transition);
}
.comp-item:hover .comp-num { color: rgba(200,144,42,0.6); }
.comp-item h3 {
    font-family: var(--font-serif);
    font-size: 1.18rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
    line-height: 1.5;
}
.comp-item p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.9;
}


/* =============================================
   PRODUCTS
   ============================================= */
#products { background: var(--color-warm-gray); }

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3.5rem;
    background: var(--color-white);
    padding: 0.5rem;
    border-radius: var(--radius-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: var(--shadow-sm);
}
.tab-btn {
    flex: 1;
    padding: 0.7rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-sub);
    border-radius: calc(var(--radius-xl) - 4px);
    transition: var(--transition);
    letter-spacing: 0.02em;
}
.tab-btn.active {
    background: var(--color-gold);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(200,144,42,0.3);
}
.tab-btn:hover:not(.active) {
    background: var(--color-warm-gray);
    color: var(--color-text-main);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* 제품 상세 */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}
.product-detail-grid.single-col { display: block; }

/* 갤러리 */
.gallery-main {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1rem;
    aspect-ratio: 4/3;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}
.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.gallery-main:hover img { transform: scale(1.04); }
.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
}
.thumb, .thumb-tofu {
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    filter: brightness(0.85);
}
.thumb.active, .thumb-tofu.active {
    border-color: var(--color-gold);
    filter: brightness(1);
}
.thumb:hover, .thumb-tofu:hover { filter: brightness(1); }

/* 제품 정보 */
.product-brand-logo { margin-bottom: 1rem; }
.product-brand-logo img { max-height: 70px; }
.product-brand-logo.tofu-logo img { max-height: 55px; }
.product-name {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-iron);
    margin-bottom: 0.4rem;
}
.product-subtitle {
    font-size: 0.95rem;
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}
.product-desc-text {
    padding: 1.2rem 1.5rem;
    background: var(--color-white);
    border-left: 4px solid var(--color-gold);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 1.5rem;
}
.product-desc-text p {
    font-size: 0.95rem;
    color: var(--color-text-sub);
    line-height: 1.9;
}
.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2rem;
}
.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    background: rgba(200,144,42,0.1);
    border: 1px solid rgba(200,144,42,0.25);
    border-radius: var(--radius-xl);
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--color-gold);
}
.feature-tag i { font-size: 0.78rem; }

.product-types h4 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-text-light);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}
.type-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.8rem;
}
.type-card {
    padding: 1.2rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.type-card:hover { border-color: var(--color-gold); box-shadow: var(--shadow-sm); }
.type-label {
    display: inline-block;
    padding: 0.25rem 0.8rem;
    background: var(--color-iron);
    color: var(--color-white);
    border-radius: var(--radius-xl);
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}
.type-card p {
    font-size: 0.84rem;
    color: var(--color-text-sub);
    line-height: 1.6;
}

/* 스낵 리스트 */
.snack-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}
.snack-item {
    padding: 1rem;
    background: var(--color-white);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}
.snack-item i { color: var(--color-gold); font-size: 0.7rem; }
.snack-item:hover {
    background: var(--color-gold);
    color: var(--color-white);
    border-color: var(--color-gold);
}
.snack-item:hover i { color: var(--color-white); }

/* 매장 현황 */
.store-section {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}
.store-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-iron);
    margin-bottom: 0.5rem;
}
.store-desc {
    font-size: 0.95rem;
    color: var(--color-text-sub);
    margin-bottom: 2rem;
}
.store-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
}
.store-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.store-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.store-card img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.store-card:hover img { transform: scale(1.05); }
.store-info {
    padding: 1rem 1.2rem;
}
.store-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-iron);
    margin-bottom: 0.3rem;
}
.store-info p {
    font-size: 0.82rem;
    color: var(--color-text-sub);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.store-info p i { color: var(--color-gold); font-size: 0.78rem; }


/* =============================================
   PARTNERSHIP
   ============================================= */
#partnership { background: var(--color-white); }

.partnership-steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: 0;
    align-items: stretch;
    margin-bottom: 5rem;
}
.step-item {
    padding: 2rem 1.5rem;
    text-align: center;
    background: var(--color-warm-gray);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
}
.step-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-num {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    margin-bottom: 1rem;
}
.step-icon {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.step-icon i { font-size: 1.4rem; color: var(--color-deep-blue); transition: color var(--transition); }
.step-item:hover .step-icon { background: var(--color-gold); box-shadow: 0 4px 16px rgba(200,144,42,0.3); }
.step-item:hover .step-icon i { color: var(--color-white); }
.step-item h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-iron);
    margin-bottom: 0.7rem;
    line-height: 1.4;
}
.step-item p {
    font-size: 0.85rem;
    color: var(--color-text-sub);
    line-height: 1.7;
}
.step-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.8rem;
    margin-top: 3.5rem;
    color: var(--color-gold);
    font-size: 1rem;
    opacity: 0.6;
}

/* 파트너 갤러리 */
.partner-gallery { text-align: center; }
.partner-gallery h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--color-iron);
}
.partner-img-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
}
.partner-img-grid img {
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: var(--transition);
    filter: grayscale(0.2);
}
.partner-img-grid img:hover {
    transform: scale(1.04);
    filter: grayscale(0);
    box-shadow: var(--shadow-md);
    z-index: 1;
    position: relative;
}


/* =============================================
   SOCIAL VALUE
   ============================================= */
#social-value {
    position: relative;
    background: var(--color-warm-gray);
}
.social-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}
.social-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}
.social-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--color-gold);
}
.social-icon {
    width: 60px; height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}
.social-icon i { font-size: 1.5rem; color: var(--color-white); }
.social-card h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-iron);
}
.social-card p {
    font-size: 0.94rem;
    color: var(--color-text-sub);
    line-height: 1.85;
}

/* 공장 현장 */
.factory-section { text-align: center; }
.factory-section h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--color-iron);
}
.factory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.factory-img {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.factory-img img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.factory-img:hover img { transform: scale(1.06); }
.factory-caption {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 1rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.65));
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}


/* =============================================
   CONTACT
   ============================================= */
#contact { background: var(--color-white); }

.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: start;
}

/* 폼 */
.contact-form-wrap {
    background: var(--color-warm-gray);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}
.form-group { margin-bottom: 1.4rem; }
.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}
.form-group label span { color: var(--color-gold); }
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.94rem;
    color: var(--color-text-main);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(200,144,42,0.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1.2rem center; padding-right: 2.5rem; }
.form-check {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.4rem;
}
.form-check input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--color-gold); cursor: pointer; }
.form-check label { font-size: 0.85rem; color: var(--color-text-sub); cursor: pointer; }

.form-success {
    text-align: center;
    padding: 3rem 2rem;
}
.form-success i { font-size: 3rem; color: #22c55e; margin-bottom: 1rem; }
.form-success h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 0.5rem; }
.form-success p { color: var(--color-text-sub); }

/* 연락처 정보 */
.info-card {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    padding: 1.5rem;
    background: var(--color-warm-gray);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    transition: var(--transition);
}
.info-card:hover { background: rgba(200,144,42,0.06); }
.info-icon {
    width: 48px; height: 48px;
    min-width: 48px;
    border-radius: 50%;
    background: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
}
.info-icon i { color: var(--color-white); font-size: 1rem; }
.info-card h4 {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 0.2rem;
}
.info-card p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-iron);
    margin-bottom: 0.1rem;
}
.info-card span {
    font-size: 0.82rem;
    color: var(--color-text-light);
}
.contact-visual {
    margin-top: 1.5rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.contact-visual img {
    width: 100%;
    aspect-ratio: 3/2;
    object-fit: cover;
    border-radius: var(--radius-md);
    display: block;
}


/* =============================================
   FOOTER
   ============================================= */
#main-footer {
    background: var(--color-iron);
    color: rgba(255,255,255,0.75);
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 4rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo img {
    max-height: 56px;
    filter: none;
    opacity: 1;
    margin-bottom: 0.8rem;
    display: block;
    background: var(--color-white);
    border-radius: 6px;
    padding: 4px 8px;
}
.footer-logo p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.05em;
}
.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
.footer-col h5 {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gold-light);
    margin-bottom: 1.2rem;
}
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-gold-light); }
.footer-bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
}


/* =============================================
   SCROLL TOP
   ============================================= */
#scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--color-iron);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 900;
    opacity: 0;
    transform: translateY(12px);
    transition: var(--transition);
    pointer-events: none;
}
#scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
#scroll-top:hover {
    background: var(--color-gold);
    transform: translateY(-2px);
}


/* =============================================
   REVEAL ANIMATIONS
   ============================================= */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-up    { transform: translateY(40px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0);
}
/* 순차 딜레이 */
.story-grid .story-card:nth-child(1),
.comp-grid  .comp-item:nth-child(1),
.social-grid .social-card:nth-child(1),
.partnership-steps .step-item:nth-child(1) { transition-delay: 0.05s; }
.story-grid .story-card:nth-child(2),
.comp-grid  .comp-item:nth-child(2),
.social-grid .social-card:nth-child(2),
.partnership-steps .step-item:nth-child(3) { transition-delay: 0.18s; }
.story-grid .story-card:nth-child(3),
.comp-grid  .comp-item:nth-child(3),
.social-grid .social-card:nth-child(3),
.partnership-steps .step-item:nth-child(5) { transition-delay: 0.31s; }
.partnership-steps .step-item:nth-child(7) { transition-delay: 0.44s; }

.numbers-grid .number-item:nth-child(1) { transition-delay: 0.05s; }
.numbers-grid .number-item:nth-child(2) { transition-delay: 0.15s; }
.numbers-grid .number-item:nth-child(3) { transition-delay: 0.25s; }
.numbers-grid .number-item:nth-child(4) { transition-delay: 0.35s; }

/* =============================================
   RESPONSIVE (태블릿)
   ============================================= */
@media (max-width: 1100px) {
    .partnership-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .step-connector { display: none; }
    .partner-img-grid { grid-template-columns: repeat(3, 1fr); }
    .store-grid { grid-template-columns: repeat(2, 1fr); }
    .numbers-grid { grid-template-columns: repeat(2, 1fr); }
    .number-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .number-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.08); }
    .number-item:nth-last-child(-n+2) { border-bottom: none; }
}

@media (max-width: 900px) {
    :root { --space-xl: 5rem; }
    #main-nav { display: none; }
    .hamburger { display: flex; }

    .story-grid { grid-template-columns: 1fr; }
    .comp-grid  { grid-template-columns: 1fr; }
    .social-grid { grid-template-columns: 1fr; }
    .factory-grid { grid-template-columns: 1fr 1fr; }
    .product-detail-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .brand-visual { grid-template-columns: 1fr; text-align: center; }
    .brand-visual-img img { margin: 0 auto; }
    .snack-list { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================
   RESPONSIVE (모바일)
   ============================================= */
@media (max-width: 600px) {
    :root { --space-xl: 3.5rem; }
    .container { padding: 0 1.2rem; }
    .hero-btns { flex-direction: column; align-items: center; }
    .hero-btns .btn-primary,
    .hero-btns .btn-outline { width: 100%; max-width: 280px; justify-content: center; }
    .numbers-grid { grid-template-columns: repeat(2, 1fr); }
    .section-title { font-size: 1.6rem; }
    .partner-img-grid { grid-template-columns: repeat(2, 1fr); }
    .store-grid { grid-template-columns: 1fr; }
    .factory-grid { grid-template-columns: 1fr; }
    .product-tabs { flex-direction: column; border-radius: var(--radius-md); max-width: 100%; }
    .tab-btn { border-radius: var(--radius-sm); }
    .gallery-thumbs { grid-template-columns: repeat(4, 1fr); }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .contact-form-wrap { padding: 1.5rem; }
    .partnership-steps { grid-template-columns: 1fr; }
    .snack-list { grid-template-columns: repeat(2, 1fr); }
    .hero-dots { right: 1rem; }
    #scroll-top { bottom: 1.2rem; right: 1.2rem; }
}