/* ============================================
   Hana no Kaori - Fine Confectionery
   Elegant Japanese Aesthetics
   ============================================ */

/* CSS Variables for theming */
:root {
    /* Colors - Warm, elegant palette */
    --color-primary: #8B4513;
    --color-primary-dark: #5D2F0D;
    --color-primary-light: #A0522D;
    --color-accent: #D4A574;
    --color-accent-light: #E8D4C4;
    --color-gold: #C9A227;
    --color-cream: #FDF8F3;
    --color-sage: #9CAF88;
    --color-sage-light: #B8C4A8;
    
    /* Neutrals */
    --color-text: #2C2416;
    --color-text-light: #5C4A3A;
    --color-text-muted: #8B7355;
    --color-white: #FFFFFF;
    --color-bg: #FDF8F3;
    --color-bg-alt: #F5EDE4;
    
    /* Typography */
    --font-serif: 'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
    --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(44, 36, 22, 0.08);
    --shadow-md: 0 4px 20px rgba(44, 36, 22, 0.12);
    --shadow-lg: 0 8px 40px rgba(44, 36, 22, 0.15);
}

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

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.3;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h4 {
    font-size: 1.125rem;
}

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253, 248, 243, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-accent-light);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-sm) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-main {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    margin-top: -0.25rem;
}

/* Navigation */
.nav {
    display: flex;
    gap: var(--space-lg);
}

.nav a {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--transition-medium);
}

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

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--color-accent);
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.lang-toggle:hover {
    background: var(--color-accent-light);
    border-color: var(--color-primary);
}

.lang-current {
    color: var(--color-primary);
    font-weight: 600;
}

.lang-separator {
    color: var(--color-text-muted);
}

.lang-alt {
    color: var(--color-text-muted);
}

/* Main Content */
main {
    padding-top: 80px;
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 80px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content {
    padding-right: var(--space-lg);
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text-muted);
    letter-spacing: 0.3em;
    margin-bottom: var(--space-sm);
}

.hero h1 {
    margin-bottom: var(--space-md);
    color: var(--color-primary-dark);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    max-width: 400px;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-sm);
}

.cta-button:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-button.secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.cta-button.secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

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

.hero-image-placeholder {
    width: 100%;
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-bg-alt) 100%);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-text-muted);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.hero-image-placeholder::before {
    content: '◈';
    position: absolute;
    font-size: 8rem;
    opacity: 0.05;
    color: var(--color-primary);
}

/* Section Styles */
section {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-sm);
}

.section-header h2 {
    color: var(--color-primary-dark);
}

/* About Section */
.about {
    background: var(--color-bg-alt);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.about-text p {
    font-size: 1.0625rem;
    color: var(--color-text-light);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: var(--space-xs);
}

/* Collection Section */
.collection-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.product-card {
    text-align: center;
    padding: var(--space-md);
    background: var(--color-white);
    border-radius: 4px;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.product-image {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-bg-alt) 100%);
    border-radius: 2px;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-image::before {
    content: '◈';
    font-size: 3rem;
    color: var(--color-accent);
    opacity: 0.5;
}

.product-card h3 {
    margin-bottom: var(--space-xs);
    color: var(--color-primary-dark);
}

.product-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.product-price {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Craftsmanship Section */
.craftsmanship {
    background: var(--color-primary-dark);
    color: var(--color-white);
}

.craftsmanship .section-label {
    color: var(--color-accent);
}

.craftsmanship h2 {
    color: var(--color-white);
}

.craft-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.craft-text p {
    color: var(--color-accent-light);
    font-size: 1.0625rem;
}

.craft-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feature {
    padding: var(--space-md);
    border-left: 2px solid var(--color-gold);
}

.feature-icon {
    display: block;
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: var(--space-xs);
}

.feature h4 {
    color: var(--color-white);
    margin-bottom: var(--space-xs);
    font-size: 1rem;
}

.feature p {
    color: var(--color-accent-light);
    font-size: 0.9375rem;
    margin: 0;
}

/* Visit Section */
.visit-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.visit-info {
    padding-right: var(--space-lg);
}

.visit-address {
    font-style: normal;
    margin-bottom: var(--space-lg);
}

.visit-address p {
    margin-bottom: var(--space-xs);
    color: var(--color-text-light);
}

.visit-hours {
    margin-bottom: var(--space-lg);
}

.visit-hours h4 {
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.visit-hours p {
    margin-bottom: var(--space-xs);
    color: var(--color-text-light);
}

.hours-note {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.map-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--color-bg-alt);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    border: 1px solid var(--color-accent-light);
}

/* Footer */
.footer {
    background: var(--color-text);
    color: var(--color-accent-light);
    padding: var(--space-xl);
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    margin-bottom: var(--space-lg);
}

.footer-brand .logo-main {
    color: var(--color-white);
}

.footer-brand .logo-sub {
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-links a {
    color: var(--color-accent-light);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        order: 2;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-visual {
        order: 1;
    }
    
    .hero-image-placeholder {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-content,
    .craft-content,
    .visit-content {
        grid-template-columns: 1fr;
    }
    
    .collection-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-stats {
        order: -1;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: var(--space-md);
        padding-top: var(--space-sm);
        border-top: 1px solid var(--color-accent-light);
    }
    
    .nav a {
        font-size: 0.75rem;
    }
    
    .hero {
        padding: var(--space-lg) var(--space-md);
    }
    
    section {
        padding: var(--space-xl) var(--space-md);
    }
    
    .collection-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* Japanese Text Specific Styles */
html[lang="ja"] body {
    line-height: 1.9;
}

html[lang="ja"] .hero-subtitle {
    letter-spacing: 0.5em;
}

html[lang="ja"] .section-label {
    letter-spacing: 0.5em;
}

html[lang="ja"] .nav a {
    letter-spacing: 0.1em;
}

/* Smooth transitions for language switch */
[data-i18n] {
    transition: opacity 0.2s ease;
}

.lang-switching [data-i18n] {
    opacity: 0.7;
}