/* ============================================================
   CakeCafe 2025 — BTS Recipe Book Theme
   Inspired by: Vivid Red + Cream / Culinary Editorial Aesthetic
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&family=Noto+Serif+KR:wght@300;400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Playfair+Display:wght@400;700&display=swap');

/* ─── Design Tokens ─── */
:root {
    /* Color Palette — Hot Pink + Magenta */
    --bg-base: #FFF0F5;
    --bg-surface: #FFFFFF;
    --bg-panel: rgba(255, 240, 245, 0.95);

    --text-primary: #1A0A00;
    /* 진한 초콜릿 블랙 */
    --text-secondary: #4A2A18;
    /* 따뜻한 갈색 */
    --text-hint: #8B5A2B;
    /* 연한 카멜 */

    --border-light: #FFE4E1;
    --border-mid: #FF00FF;
    --border-dark: #FF1493;

    /* Hot Pink 파레트 */
    --red: #FF1493;
    /* 메인 레드 - cake.png 스타일 */
    --red-deep: #C71585;
    /* 조금 진한 레드 */
    --cream: #FFF0F5;
    /* 크림 */
    --cream-dark: #FFE4E1;
    /* 진한 크림 */
    --gold: #FF00FF;
    /* 골드 */
    --brown: #4A2A18;
    /* 브라운 */
    --warm-white: #FFFFFF;
    /* 따뜻한 화이트 */

    --teal: #FF1493;
    /* accent → 밝은 레드로 통일 */
    --teal-light: #F04040;
    /* 밝은 레드 */
    --yellow: #FF00FF;
    /* 노랑 → 골드로 */
    --mint: #FF1493;
    /* 민트 → 레드로 */
    --pink: #F2A7C3;
    --lavender: #C9B1F7;
    --sky: #87CEDC;

    --accent-color: #FF1493;
    /* 메인 포인트 = 밝은 레드 */

    /* Typography */
    --font-sans: 'Noto Sans KR', sans-serif;
    --font-serif: 'Playfair Display', 'Noto Serif KR', serif;
    --font-display: 'Bebas Neue', 'Noto Serif KR', sans-serif;

    /* Spacing & Rhythm */
    --section-pad: 8rem 0;
    --container-max: 1200px;

    /* Transitions */
    --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
    --dur-mid: 0.6s;
}

/* ─── Reset & Base ─── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: -0.02em;
    /* 일관된 자간 적용 */
    word-break: keep-all;
    /* 단어 단위 줄바꿈 정렬 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ─── Typography ─── */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: 0.04em;
}

.kr-serif {
    font-family: var(--font-serif);
}

.heading-display {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 300;
    letter-spacing: -0.05em;
}

.heading-section {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.heading-section::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--red), var(--gold));
    border-radius: 2px;
}

p {
    color: var(--text-secondary);
}

/* ─── Layout ─── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 4rem;
}

/* ─── Language Icon Button ─── */
.lang-icon-btn::after {
    display: none;
}

.lang-icon-btn {
    font-size: 1.2rem;
    color: var(--text-primary) !important;
    padding: 0.375rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.lang-icon-btn:hover {
    color: var(--teal) !important;
    opacity: 1;
}

/* 모바일 언어 아이콘: 드롭다운 화살표 숨기기 */
.d-lg-none .nav-link.dropdown-toggle::after {
    display: none;
}

/* ─── Navbar ─── */
.navbar-main {
    background: transparent;
    backdrop-filter: blur(0px);
    border-bottom: 1px solid transparent;
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    transition: all 0.4s ease;
}

.navbar-main.scrolled {
    background: rgba(255, 20, 147, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 240, 245, 0.2);
    box-shadow: 0 4px 30px rgba(255, 20, 147, 0.4);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 2rem;
}

.navbar-brand-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary) !important;
}

.brand-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    /* mix-blend-mode: multiply; 제거 - 흰색 로고가 배경색과 합성되어 사라지는 문제 해결 */
    background-color: transparent !important;
    transition: all 0.3s ease;
    display: block;
}

.navbar-main.scrolled .brand-logo {
    /* 스크롤 시 분홍색 배경 위에서 흰색 로고가 더 잘 보이도록 밝기 조정 (이미지가 완전한 흰색이 아닐 경우 대비) */
    filter: brightness(1.2);
}

.brand-logo:hover {
    transform: scale(1.05);
}

.brand-sub {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    margin-left: 0.5rem;
    font-weight: 300;
}

.navbar-nav-list {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
}

.navbar-nav-list li a {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary) !important;
    text-decoration: none;
    transition: color 0.3s;
    letter-spacing: 0.08em;
    white-space: nowrap;
    position: relative;
    padding: 0.25rem 0;
}

.navbar-main.scrolled .navbar-nav-list li a:not(.dropdown-item),
.navbar-main.scrolled .lang-icon-btn,
.navbar-main.scrolled .navbar-toggle {
    color: #ffffff !important;
}

.navbar-main.scrolled .brand-sub {
    color: rgba(255, 255, 255, 0.7);
}

.navbar-nav-list li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, var(--red), var(--gold));
    transition: width 0.3s ease;
    border-radius: 2px;
}

.navbar-nav-list li a:not(.dropdown-item):hover,
.navbar-nav-list li a:not(.dropdown-item).active {
    color: #ffffff !important;
}

.navbar-nav-list li a:hover::after,
.navbar-nav-list li a.active::after {
    width: 100%;
}

/* Hamburger button */
.navbar-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-mid);
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1.2rem;
    border-radius: 2px;
}

@media (max-width: 991px) {
    .navbar-toggle {
        display: flex;
    }
}

/* ─── Buttons ─── */
.btn-minimal {
    background: transparent;
    color: var(--red) !important;
    border: 1.5px solid var(--red);
    border-radius: 4px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1rem;
    letter-spacing: 0.12em;
    padding: 0.9rem 2.5rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.35s ease;
    background-size: 200% 100%;
    background-image: linear-gradient(to right, transparent 50%, var(--red) 50%);
    background-position: 0% 0;
}

.btn-minimal:hover {
    color: var(--cream) !important;
    background-position: -100% 0;
    box-shadow: 0 4px 20px rgba(255, 20, 147, 0.4);
}

.btn-accent {
    border-color: var(--gold) !important;
    color: var(--text-primary) !important;
    background-image: linear-gradient(to right, transparent 50%, var(--gold) 50%) !important;
}

.btn-accent:hover {
    color: var(--text-primary) !important;
    box-shadow: 0 4px 20px rgba(255, 0, 255, 0.4);
}

/* ─── Dropdown ─── */
.dropdown-menu {
    border: 1px solid var(--border-light) !important;
    border-radius: 8px !important;
    box-shadow: 0 10px 30px rgba(255, 20, 147, 0.1) !important;
    padding: 1rem !important;
    z-index: 1060 !important;
    background: var(--warm-white) !important;
}

.dropdown-item {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--text-secondary) !important;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.dropdown-item:hover {
    background: var(--cream-dark) !important;
    color: var(--red) !important;
}

/* ─── Form Controls ─── */
.form-control,
.form-select {
    border: none !important;
    border-bottom: 1.5px solid var(--border-mid) !important;
    border-radius: 0 !important;
    background: transparent !important;
    padding: 0.8rem 0 !important;
    font-family: var(--font-sans);
    box-shadow: none !important;
    color: var(--text-primary) !important;
    transition: border-color 0.3s ease !important;
}

.form-control:focus,
.form-select:focus {
    border-bottom-color: var(--red) !important;
}

.form-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
}

/* ─── Aesthetic Components ─── */
.stamp {
    width: 24px;
    height: 24px;
    background-color: var(--red);
    color: var(--cream);
    font-family: var(--font-display);
    font-size: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.85;
    border-radius: 3px;
}

.vertical-text {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-family: var(--font-serif);
    letter-spacing: 0.3em;
}

/* ─── Features Grid ─── */
.grid-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 4rem;
    margin-top: 5rem;
}

.modern-card {
    background: var(--warm-white);
    padding: 2.5rem;
    border-top: 3px solid var(--red);
    border-radius: 0 0 12px 12px;
    box-shadow: 0 8px 30px rgba(255, 20, 147, 0.07);
    transition: all 0.4s var(--ease-out);
    position: relative;
}

.modern-card:hover {
    border-top-color: var(--gold);
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(255, 20, 147, 0.14);
}

.modern-card-num {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--red);
    position: absolute;
    top: -25px;
    background: var(--bg-base);
    padding-right: 15px;
}

.modern-card-title {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ─── Footer ─── */
.footer-minimal {
    border-top: 1px solid var(--border-light);
    padding: 5rem 0 3rem;
    background: var(--warm-white);
    color: var(--text-secondary);
}

.footer {
    padding: 3rem 0;
    background: var(--warm-white);
    border-top: 1px solid var(--border-light);
}

.footer-links-row {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.footer-link-col {
    border-right: 1px solid var(--border-light);
}

.footer-link {
    color: var(--text-secondary) !important;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--red) !important;
}

/* ─── Common UI Components ─── */
.footer-copyright {
    color: var(--text-hint);
    margin-bottom: 0.3rem;
}

.footer-brand-location {
    color: var(--red);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    font-weight: 700;
}

.footer-desc {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.alert-custom-error {
    background: #fff5f5;
    border: 1px solid #ffcccc;
    border-radius: 0;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    color: var(--text-primary);
}

.required-star {
    color: var(--red);
    margin-left: 2px;
    font-weight: bold;
}

.modal-content-lg {
    height: 80vh;
}

.iframe-full {
    width: 100%;
    height: 100%;
    border: none;
}

.d-none-important {
    display: none !important;
}

/* ─── Animations ─── */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

/* ─── Responsive ─── */
@media (max-width: 991px) {
    .navbar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        border: none;
        background: transparent;
        font-size: 1.5rem;
        padding: 0.5rem;
        z-index: 10000;
        position: relative;
    }

    .navbar-inner {
        height: 60px;
        padding: 0 1.5rem;
    }

    .navbar-nav-list {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(199, 21, 133, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
        z-index: 9999;
    }

    .navbar-nav-list.open {
        opacity: 1;
        visibility: visible;
    }

    .navbar-nav-list li {
        width: 100%;
        text-align: center;
    }

    .navbar-nav-list li a {
        display: inline-block;
        font-size: 1.8rem;
        padding: 0.5rem 1rem;
        border-bottom: none;
        color: rgba(255, 240, 245, 0.9) !important;
        font-family: var(--font-display);
    }

    .navbar-nav-list li a:hover,
    .navbar-nav-list li a.active {
        color: var(--gold) !important;
    }

    .navbar-nav-list li a::after {
        display: none;
    }

    /* Mobile Dropdown Styling */
    .navbar-nav-list .dropdown-menu {
        position: static !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        text-align: center;
        padding: 0 !important;
        margin-top: 0.5rem !important;
        transform: none !important;
    }

    .navbar-nav-list .dropdown-menu li {
        margin: 0;
        line-height: 1;
    }

    .navbar-nav-list .dropdown-item {
        color: rgba(255, 255, 255, 0.65) !important;
        font-size: 1.1rem;
        padding: 1rem;
        display: inline-block;
    }

    .navbar-nav-list .dropdown-item:hover {
        color: var(--gold) !important;
        background: transparent !important;
    }

    .btn-minimal {
        padding: 1rem 3rem;
        font-size: 1.2rem;
        width: auto;
    }

    .vertical-ko {
        display: none;
    }

    .heading-display {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
}

@media (max-width: 768px) {
    /* 768px 이하에서 추가 조정이 필요한 경우 여기에 작성 (현재는 991px로 통합) */
}

/* 일본어 어절 단위 줄바꿈 해제 (레이아웃 깨짐 방지) */
html:lang(ja) body,
html:lang(ja) *:not(i) {
    word-break: normal;
    overflow-wrap: break-word;
}