/* file: assets/css/style.css */
:root {
    --charcoal: #1a1a1a;
    --charcoal-light: #2a2a2a;
    --paper-white: #faf9f6;
    --paper-white-off: #f0efe8;
    --gold: #c9a03d;
    --gold-light: #e2c28b;
    --gold-dark: #a07e2e;
    --terracotta: #c05a3b;
    --terracotta-light: #d47a5a;
    --grid-color: rgba(201, 160, 61, 0.08);
    --transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--charcoal);
    color: var(--paper-white);
    line-height: 1.5;
    overflow-x: hidden;
}

.site-wrapper {
    max-width: 100%;
    overflow-x: clip;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.gold-text {
    color: var(--gold);
    font-weight: 600;
}

.gold-accent {
    color: var(--gold);
    letter-spacing: 0.2em;
    font-size: 0.85rem;
    text-transform: uppercase;
}

/* Header */
.main-header {
    position: sticky;
    top: 0;
    background: rgba(26, 26, 26, 0.92);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(201, 160, 61, 0.2);
    padding: 1rem 0;
}

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

.logo a {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
}

.logo-mark {
    font-size: 2.2rem;
    color: var(--gold);
}

.logo-text {
    color: var(--paper-white);
    letter-spacing: 2px;
}

.nav-list {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-list a {
    text-decoration: none;
    color: var(--paper-white);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-list a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gold);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--charcoal);
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg, var(--grid-color) 0px, var(--grid-color) 1px, transparent 1px, transparent 60px),
        repeating-linear-gradient(90deg, var(--grid-color) 0px, var(--grid-color) 1px, transparent 1px, transparent 60px);
    opacity: 0.4;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(201,160,61,0.15) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-kinsugi-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.gold-line {
    width: 40px;
    height: 1px;
    background: var(--gold);
}

.badge-text {
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold-light);
}

.hero-title {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.title-accent {
    display: block;
    font-size: 1.2rem;
    letter-spacing: 4px;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.title-main {
    display: block;
    font-size: 4.8rem;
    font-weight: 700;
}

.hero-description {
    font-size: 1.1rem;
    color: #cccccc;
    max-width: 90%;
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 1.5px solid var(--gold);
    color: var(--gold);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    z-index: 1;
}

.btn-primary:hover {
    background: var(--gold);
    color: var(--charcoal);
    box-shadow: 0 0 20px rgba(201,160,61,0.5);
}

.btn-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, var(--gold-light), transparent);
    opacity: 0;
    transition: 0.3s;
    z-index: -1;
}

.btn-primary:hover .btn-glow {
    opacity: 0.3;
}

.hero-trust {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    font-size: 0.8rem;
    color: #aaa;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.visual-scene {
    position: relative;
    min-height: 550px;
}

.chawan-container {
    position: relative;
    z-index: 3;
    width: 80%;
    margin: 0 auto;
}

.chawan-img {
    width: 100%;
    height: 180px;
    max-width: 180px;
    border-radius: 50%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 0 6px rgba(201,160,61,0.2);
    transition: transform 0.5s ease;
}

.chawan-img:hover {
    transform: scale(1.02);
}

.kintsugi-shimmer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 40%, rgba(255,215,0,0.2) 0%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
}

.knife-set {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 70%;
    z-index: 2;
}

.glass-table {
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100%;
    height: 20px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(4px);
    border-radius: 8px;
}

.knives-img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.zen-window {
    position: absolute;
    top: 20%;
    right: -20%;
    width: 70%;
    height: 70%;
    background: linear-gradient(145deg, #2c2418, #1f1a12);
    border-radius: 20px;
    z-index: 0;
    opacity: 0.5;
    background-image: radial-gradient(circle at 20% 40%, #6b5a4a 2px, transparent 2px);
    background-size: 28px 28px;
}

/* Featured Section */
.featured {
    padding: 6rem 0;
    background: var(--charcoal-light);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.suptitle {
    font-size: 0.8rem;
    letter-spacing: 3px;
}

.section-title {
    font-size: 2.5rem;
    margin: 0.5rem 0;
}

.title-underline {
    width: 60px;
    height: 2px;
    background: var(--gold);
    margin: 1rem auto 0;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255,255,255,0.03);
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(201,160,61,0.2);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold);
    box-shadow: 0 20px 35px -15px rgba(0,0,0,0.5);
}

.card-image {
    position: relative;
    overflow: hidden;
    height: 260px;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.feature-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 1.5rem;
}

.price {
    color: var(--gold);
    font-weight: 700;
    margin: 0.5rem 0;
}

.btn-text {
    color: var(--gold);
    text-decoration: none;
    font-weight: 500;
}

/* Philosophy */
.philosophy {
    padding: 6rem 0;
    background: var(--charcoal);
}

.philosophy-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.philosophy-marker {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.philosophy h2 {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.philosophy-lead {
    font-size: 1.2rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.pillar-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.btn-outline {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 1px solid var(--gold);
    color: var(--gold);
    text-decoration: none;
    transition: var(--transition);
}

.btn-outline:hover {
    background: var(--gold);
    color: var(--charcoal);
}

.philosophy-img-container {
    position: relative;
}

.philosophy-img-container img {
    width: 100%;
    border-radius: 30px;
    filter: grayscale(0.2);
}

.gold-frame {
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 1px solid var(--gold);
    border-radius: 30px;
    z-index: -1;
}

/* Footer */
.main-footer {
    background: #0f0f0f;
    padding: 3rem 0 1.5rem;
    border-top: 1px solid rgba(201,160,61,0.2);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 3rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-family: 'Playfair Display', serif;
    color: var(--gold);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--gold);
}

.footer-bottom {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.8rem;
    color: #777;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container, .philosophy-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .hero-title .title-main {
        font-size: 3rem;
    }
    .nav-list {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    .featured-grid {
        grid-template-columns: 1fr;
    }
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content, .hero-visual, .feature-card, .philosophy-text {
    animation: fadeUp 0.8s ease forwards;
}

.hero-visual {
    animation-delay: 0.2s;
}

/* Page Hero */
.page-hero {
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, var(--charcoal) 0%, #0f0f0f 100%);
    text-align: center;
    border-bottom: 1px solid rgba(201,160,61,0.2);
}

.page-hero h1 {
    font-size: 3.5rem;
    margin: 1rem 0;
}

.hero-underline {
    width: 60px;
    height: 2px;
    background: var(--gold);
    margin: 1rem auto;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.product-card {
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(201,160,61,0.1);
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    box-shadow: 0 20px 30px -15px rgba(0,0,0,0.5);
}

.product-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.view-detail {
    color: var(--gold);
    font-weight: 600;
    border-bottom: 1px solid var(--gold);
}

.product-info {
    padding: 1.2rem;
}

.product-title {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.product-origin {
    font-size: 0.8rem;
    color: #999;
}

.product-price {
    color: var(--gold);
    font-weight: 700;
    margin-top: 0.5rem;
}

/* Filter Bar */
.filter-bar {
    padding: 1.5rem 0;
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid rgba(201,160,61,0.1);
    position: sticky;
    top: 80px;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.filter-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-tabs {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid rgba(201,160,61,0.3);
    color: var(--paper-white);
    padding: 0.5rem 1.2rem;
    border-radius: 40px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--gold);
    color: var(--charcoal);
    border-color: var(--gold);
}

.sort-select {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(201,160,61,0.3);
    color: var(--paper-white);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
}

/* Journal Grid */
.journal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.journal-card {
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.journal-card:hover {
    transform: translateY(-5px);
}

.journal-image {
    height: 240px;
    overflow: hidden;
}

.journal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.journal-card:hover .journal-image img {
    transform: scale(1.05);
}

.journal-card-content {
    padding: 1.5rem;
}

.journal-category {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--gold);
    text-transform: uppercase;
}

.journal-card-content h3 {
    font-size: 1.3rem;
    margin: 0.5rem 0;
}

.journal-meta {
    font-size: 0.8rem;
    color: #888;
    margin-bottom: 1rem;
}

.read-more {
    color: var(--gold);
    font-size: 0.85rem;
    display: inline-block;
    margin-top: 1rem;
}

/* Featured Journal */
.featured-journal {
    padding: 3rem 0;
}

.featured-journal-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: linear-gradient(135deg, rgba(201,160,61,0.05) 0%, transparent 100%);
    border-radius: 24px;
    overflow: hidden;
}

.featured-journal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-journal-content {
    padding: 2rem;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    margin: 3rem 0;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    font-size: 1.8rem;
}

.contact-item h4 {
    margin-bottom: 0.3rem;
}

.contact-item a {
    color: var(--gold);
    text-decoration: none;
}

.contact-form {
    background: rgba(255,255,255,0.02);
    padding: 2rem;
    border-radius: 24px;
    border: 1px solid rgba(201,160,61,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: #ccc;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(201,160,61,0.2);
    border-radius: 8px;
    color: var(--paper-white);
    font-family: inherit;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input {
    width: auto;
}

.form-success {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(201,160,61,0.2);
    border-left: 3px solid var(--gold);
    border-radius: 8px;
}

/* Values & Masters */
.values-grid, .masters-grid, .categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.value-card, .category-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255,255,255,0.02);
    border-radius: 20px;
    transition: var(--transition);
}

.value-card:hover, .category-card:hover {
    background: rgba(201,160,61,0.05);
    transform: translateY(-3px);
}

.value-icon, .category-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.master-image {
    width: 180px;
    height: 180px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--gold);
}

.master-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.master-title {
    color: var(--gold);
    font-size: 0.85rem;
    margin: 0.5rem 0;
}

/* CTA Banner */
.about-cta {
    padding: 4rem 0;
}

.cta-banner {
    background: linear-gradient(135deg, #2a2418 0%, #1a1610 100%);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    border: 1px solid rgba(201,160,61,0.3);
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.faq-item {
    padding: 1.5rem;
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
}

.faq-item h3 {
    margin-bottom: 0.5rem;
    color: var(--gold);
}

/* Product Detail */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 3rem 0;
}

.product-detail-image img {
    width: 100%;
    border-radius: 24px;
}

.product-price-large {
    font-size: 2rem;
    color: var(--gold);
    margin: 1rem 0;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.qty-btn {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    cursor: pointer;
    border-radius: 8px;
}

.qty-input {
    width: 60px;
    text-align: center;
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: 8px;
}

/* Newsletter */
.newsletter {
    padding: 4rem 0;
    background: linear-gradient(180deg, transparent, rgba(201,160,61,0.05));
    text-align: center;
}

.newsletter-form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem auto;
    max-width: 500px;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(201,160,61,0.2);
    border-radius: 8px;
    color: white;
}

.newsletter-note {
    font-size: 0.75rem;
    color: #666;
}

/* Responsive */
@media (max-width: 768px) {
    .product-detail-grid, .contact-grid, .featured-journal-card, .form-row {
        grid-template-columns: 1fr;
    }

    .filter-container {
        flex-direction: column;
    }

    .page-hero h1 {
        font-size: 2.2rem;
    }

    .journal-grid {
        grid-template-columns: 1fr;
    }
}