/* 
 * OSHANA Honey Brand Styles
 * Minimal, traditional Japanese chic, quiet, natural, warm, premium.
 */

:root {
    /* Color Palette */
    --color-cream: #F8F3EA; /* Soft solid ivory background */
    --color-ink: #2a2928; /* Soft black/charcoal */
    --color-gold: #C5A059; /* Soft gold accent */
    --color-gold-light: rgba(197, 160, 89, 0.2);
    --color-gray: #7a7671;
    --color-border: rgba(42, 41, 40, 0.1);
    
    /* Typography */
    --font-jp: 'Shippori Mincho', serif;
    --font-en: 'Cormorant Garamond', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1.5rem;
    --spacing-md: 3rem;
    --spacing-lg: 6rem;
    --spacing-xl: 10rem;
    
    /* Animation */
    --transition-slow: 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--color-cream);
    color: var(--color-ink);
    font-family: var(--font-jp);
    line-height: 2;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Classes */
.en-text, .en-title, .en-body, .footer-tagline, .footer-contact, .nav-links a {
    font-family: var(--font-en);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: center;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(248, 243, 234, 1) 0%, rgba(248, 243, 234, 0) 100%);
    transition: background-color 0.5s ease;
}

.navbar.scrolled {
    background: rgba(248, 243, 234, 0.95);
    backdrop-filter: blur(5px);
    border-bottom: 1px solid var(--color-border);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    text-decoration: none;
    color: var(--color-ink);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: width 0.4s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Layout Utilities */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

.center-block {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.layout-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.layout-split.reverse .image-placeholder {
    order: 2;
}

.layout-split.reverse .text-container {
    order: 1;
}

/* Typography Hierarchy */
.jp-title {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
    color: var(--color-ink);
}

.en-title {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
}

.jp-body {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-sm);
    line-height: 2.2;
}

.en-body-block {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.en-body {
    font-size: 1rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding-top: var(--spacing-xl);
}

.hero-bg-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background-color: var(--color-cream);
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4; /* Low opacity to maintain the quiet, minimal feel and text readability */
    filter: grayscale(20%) sepia(10%); /* Subtle color grading to match the aesthetic */
    transition: opacity var(--transition-slow);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(248, 243, 234, 0.8) 100%);
    pointer-events: none;
}

.logo-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.logo-text {
    font-family: var(--font-en);
    font-size: 2.5rem;
    letter-spacing: 0.2em;
    font-weight: 400;
    margin-bottom: 1rem;
}

.logo-mark {
    width: 48px;
    height: 48px;
    border: 1px solid var(--color-gold);
    border-radius: 8px; /* Rounded square */
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-cream);
}

.logo-mark.small {
    width: 36px;
    height: 36px;
    margin: 0 auto;
}

.kanji-mitsu {
    font-size: 1.2rem;
    color: var(--color-gold);
    line-height: 1;
}

.hero-text-block {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.hero-text-block .jp-text {
    font-size: 1.1rem;
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-xs);
}

.hero-text-block .en-text {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-gray);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
}

.btn {
    display: inline-block;
    text-decoration: none;
    text-align: center;
    padding: 1rem 2rem;
    border: 1px solid var(--color-border);
    color: var(--color-ink);
    background-color: transparent;
    transition: all 0.4s ease;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.btn-en {
    font-family: var(--font-en);
    font-size: 0.9rem;
    color: var(--color-gray);
    font-style: italic;
    display: block;
    margin-top: 4px;
}

.btn:hover {
    border-color: var(--color-gold);
    background-color: rgba(197, 160, 89, 0.05);
}

/* Image Placeholders */
.image-placeholder {
    background-color: rgba(42, 41, 40, 0.03);
    border: 1px solid rgba(42, 41, 40, 0.05);
    width: 100%;
    position: relative;
    overflow: hidden;
    /* Added to help visualize empty placeholders nicely */
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder.empty::after {
    content: 'Photo Area';
    font-family: var(--font-en);
    color: var(--color-gray);
    font-style: italic;
    font-size: 0.9rem;
    opacity: 0.5;
}

.photo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.image-placeholder:hover .photo-img {
    transform: scale(1.03);
}

.photo-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-ink);
    font-size: 0.85rem;
    text-align: center;
    padding: 1rem;
    font-family: var(--font-en);
    background-color: var(--color-gold-light);
    opacity: 0.5;
}

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

/* Gallery layout */
.photo-gallery-minimal {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    justify-content: center;
    align-items: flex-start;
}

.photo-gallery-minimal .vertical {
    width: 300px;
    aspect-ratio: 3/4;
}

.photo-gallery-minimal .horizontal {
    width: 400px;
    aspect-ratio: 4/3;
    margin-top: var(--spacing-lg);
}

/* Hives Section Gallery */
.photo-gallery-hives {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.photo-gallery-hives .img-main {
    aspect-ratio: 4/3;
    width: 100%;
}

.hives-sub-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.hives-sub-gallery .img-sub {
    aspect-ratio: 1/1;
}

/* Instagram Section */
.photo-gallery-insta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.photo-gallery-insta .square {
    aspect-ratio: 1/1;
    width: 100%;
}

.insta-action {
    margin-top: var(--spacing-md);
}

.insta-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem 3rem;
    position: relative;
}

.insta-icon {
    width: 20px;
    height: 20px;
    margin-bottom: 8px;
    color: var(--color-ink);
    transition: color 0.4s ease;
}

.insta-btn:hover .insta-icon {
    color: var(--color-gold);
}

/* Product Section */
.product-card {
    max-width: 500px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: #fff;
    box-shadow: 0 10px 40px rgba(0,0,0,0.02);
    border: 1px solid rgba(42, 41, 40, 0.03);
}

.product-image-placeholder {
    width: 100%;
    aspect-ratio: 1/1;
    background-color: var(--color-cream);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(42, 41, 40, 0.03);
}

.product-name-jp {
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.product-name-en {
    font-family: var(--font-en);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.product-details {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    text-align: left;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px dashed var(--color-border);
}

.detail-label {
    font-size: 0.85rem;
    color: var(--color-gray);
}

.detail-value {
    font-size: 0.9rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-brand {
    font-family: var(--font-en);
    letter-spacing: 0.2em;
    font-size: 1.2rem;
}

.footer-mark {
    color: var(--color-gold);
    font-size: 0.9rem;
    border: 1px solid var(--color-gold);
    border-radius: 4px;
    padding: 2px 4px;
}

.footer-tagline {
    font-style: italic;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.footer-contact {
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-links a {
        font-size: 0.8rem;
    }
    
    .layout-split {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .layout-split.reverse .image-placeholder {
        order: 1;
    }
    
    .layout-split.reverse .text-container {
        order: 2;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .photo-gallery-minimal {
        flex-direction: column;
        align-items: center;
    }
    
    .photo-gallery-minimal .horizontal {
        margin-top: 0;
        width: 100%;
        max-width: 300px;
    }
}